CN1364134A - Workpiece inspection apparatus and method - Google Patents

Workpiece inspection apparatus and method Download PDF

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Publication number
CN1364134A
CN1364134A CN00810787A CN00810787A CN1364134A CN 1364134 A CN1364134 A CN 1364134A CN 00810787 A CN00810787 A CN 00810787A CN 00810787 A CN00810787 A CN 00810787A CN 1364134 A CN1364134 A CN 1364134A
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CN
China
Prior art keywords
workpiece
belt conveyor
check
notch portion
dish
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN00810787A
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Chinese (zh)
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CN1145575C (en
Inventor
木川一洋
小林贤治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lintec Corp
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Lintec Corp
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Filing date
Publication date
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Publication of CN1364134A publication Critical patent/CN1364134A/en
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Publication of CN1145575C publication Critical patent/CN1145575C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/84—Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves

Abstract

A workpiece inspection apparatus (3) for inspecting the faces of polyhedral workpieces (1) is equipped with at least one endless conveyor belt (400) having a plurality of cutaway portions (400b) formed therein for holding the workpieces, and inspection devices (301, 303) to inspect the exposed faces of the workpieces held in the cutaway portions of the conveyor belt.

Description

Work inspection device and inspection method
Background of invention
Invention field
The present invention relates to a kind of be used to check polyhedron workpiece each surperficial Work inspection device and inspection method.
Description of the Prior Art
As an example of Work inspection device in the prior art, Japanese publication is published document No.HEI 9-315566 and is disclosed a kind of device that is used to check each surface of hexahedron workpiece.In order to finish this inspection, this testing fixture is equipped with first dish and second dish, first dish has a plurality of first cave portions, the first cave portion forms in its periphery, and be used for holding workpiece, and second dish is arranged to and the first dish orthogonal, and a plurality of second cave portions are arranged, the second cave portion forms in its periphery, and is used for the workpiece that clamping is admitted from the first cave portion.And, be provided with first surface in the first dish outside and check photographic camera, be used to check three surfaces of workpiece, check photographic camera and be provided with second surface in the second dish outside, be used to check its excess-three surface of workpiece.
But, the holding workpiece and check that simultaneously workpiece is crowded together because the peripheral part of this Work inspection device utilization dish is assigned to, and have only a narrow space to be used for settling and check photographic camera and allied equipment.Therefore, be extremely limited for the possible design configurations quantity of this testing fixture and the selection of assembly.
Summary of the invention
Consider above-mentioned prior art problems, an object of the present invention is to provide a kind of Work inspection device and inspection method, might enlarge the possible design configurations quantity and the selection of assembly like this.
In order to reach the purpose of the invention described above, according to the testing fixture that is used to check the polyhedron workpiece of the present invention, comprise the belt conveyor of at least one ring-type, this band has within it a plurality of notch portion that form, are used for holding workpiece; Checkout facility with each exposing surface of the workpiece that is used to check the notch portion that is clamped in belt conveyor.
In addition, Work inspection device also is provided with at least one guide plate at least one side of belt conveyor, is used to stop workpiece to drop out from the notch portion of belt conveyor.
Also have, be used for checking each surperficial inspection method of polyhedron workpiece according to of the present invention, workpiece is inserted the notch portion of the belt conveyor of ring-type, and when making conveyer belt come conveying work pieces, check each exposing surface of the workpiece in the notch portion that is clamped in belt conveyor.
The accompanying drawing summary
Fig. 1 is the transparent view according to first embodiment of Work inspection device of the present invention;
Fig. 2 is the transparent view by an exemplary workpiece of Work inspection device inspection according to the present invention;
Fig. 3 is used to illustrate that workpiece is sent to partial enlarged drawing on the belt conveyor from dish;
Fig. 4 illustrates the transparent view of the guide plate structure of the either side that is arranged on belt conveyor;
Fig. 5 illustrates the 3rd and checks near the amplification vertical view that photographic camera is;
Fig. 6 is the transparent view according to second embodiment of Work inspection device of the present invention;
Fig. 7 is the enlarged drawing of Workpiece supply portion;
Fig. 8 is the enlarged drawing of transmitting portions.
Preferred embodiment describes in detail
Now provide the detailed description of preferred embodiment with reference to the accompanying drawings.
At first, Work inspection device 3 according to first embodiment of the invention has been shown among Fig. 1, be used to check four surfaces of workpiece, an exemplary hexagon workpiece 1 (ceramic condensor) has been shown among Fig. 2, it has the surperficial 1a-1f that exemplary dimensions is 1mm * 0.5mm * 0.5mm, wherein two opposed surface 1a and 1b are electrodes, and all the other four surfaces form check surfaces.In this arrangement, the video image by taking 4 check surface 1c-1f with photographic camera is checked measuring for example size quantity of electrode and dielectric portion workpiece 1, and whether definite dielectric portion is damaged.
As shown in Figure 1, Work inspection device 3 is equipped with Workpiece supply portion 100 so that workpiece 1 to be provided, be used to check two check surfaces of workpiece 1 for first section 200, be used to check two other check surface of workpiece 1 for second section 300, the belt conveyor 400 of a ring-type is used for from first section 200 to second section 300 conveying work pieces 1.
Workpiece supply portion 100 is provided with the device of known being called " spherical conveyer " or " units conveyor ".In this device, a plurality of workpiece 1 that are placed in the bulb are transmitted by plug helix in an orderly way, and carry a workpiece 1 from the termination of conveyer at every turn.In this connection, Workpiece supply portion 100 for example can adopt and publish disclosed feeding device among the document No.HEI 5-286549 in Japanese publication.
Dish 201, first is housed for first section 200 checks the photographic camera 203 and the second inspection photographic camera 205.In this, each checks that photographic camera can be by constituting as CCD photographic camera or other allied equipment.And a plurality of recesses 207 form in the periphery of dish 201, as shown in Figure 3, inhale hole 209 and form in the bottom of each recess 207.In this set, a workpiece 1 that provides from Workpiece supply portion 100 is inserted into recess 207 at every turn, and the suction clamping of being inhaled in the hole 209 is in place to stop workpiece 1 to drop out recess 207.Workpiece 1 under this routine situation is seen shown in Figure 2, and suction leans against electrode surface 1a or 1b clamping the bottom of recess 207.And dish 201 rotates with the angle value clockwise direction of stipulating and transmits each workpiece 1.
First checks that photographic camera 203 is arranged on the vertex position near the recess 207 of dish 201, be used for clapping the video image of first check surface of getting workpiece 1, and the second inspection photographic camera 205 is arranged on the opposite side of dish 201, its position roughly becomes 90 degree with first photographic camera 203 with respect to the angular movement of coiling 201, is used for clapping the video image of fetch bit in second check surface of the first check surface opposite face.Promptly in first section, check two opposed surface (as 1c among Fig. 2 and 1d) of workpiece 1.
Belt conveyor 400 is steels, wherein forms a plurality of sprocket hole 400a, and belt conveyor 400 strains between two sprocket gear 401 and 401, with it sprocket and sprocket hole 400a engagement so that belt conveyor 400 can be with the rotation campaign of sprocket gear 401.And a plurality of notch portion 400b that are used for holding workpiece 1 are formed on the top of belt conveyor 400.
In this connected, the enlarged view of Fig. 3 for getting along the arrow A of Fig. 1 showed workpiece 1 from coiling 201 situations that are delivered to belt conveyor 400.Promptly along with the recess 207 of the top insertion dish 201 of belt conveyor 400, belt conveyor 400 travels forward, and arrives the position of empty recess 207 up to notch portion 400b, and this moment, the motion of belt conveyor 400 suspended temporarily.In this case, dish 201 rotates, and is positioned at notch portion 400b up to the next recess 207 that holding workpiece 1 is arranged, and the rotation of this hour indicator 201 suspends (see figure 3).Then, after recess 207 was delivered to notch portion 400b, belt conveyor 400 drove once more at workpiece 1, was positioned at this new empty recess 207 up to next notch portion 400b, and this moment, the motion of belt conveyor 400 was suspended again.Therefore, by repeating these steps, once pass to 400 1 workpiece 1 of belt conveyor by this way, so that two check surfaces (for example 1e among Fig. 2 and 1f) that can not expose in being held on recess 207 time, and will expose in being held on notch portion 400b the time from coiling 201.
As shown in Figure 4, the fed distance of guide plate 403,405 along workpiece from the box 409 (as described below) that coils 201 to products that meet the requirements is arranged on each side (perhaps be subordinated to the specific region and only be arranged on a side) of belt conveyor 400, they cover the both sides of notch portion 400b, drop out from notch portion 400b to stop workpiece 1.
Be equipped with for second section 300 the 3rd to check that photographic camera 301 and the 4th checks photographic camera 303, be used to clap all the other two the check surface 1e that get workpiece 1 and the video image of 1f.In this connected, Fig. 5 was a top view that amplifies, and showed the 3rd and checked the situation that the video image of workpiece 1 is got in the photographic camera bat.As shown in FIG., the suction nozzle 305 of a location workpiece is arranged on belt conveyor 400 and checks the relative side of photographic camera with the 3rd.The suction nozzle 305 of location workpiece is equipped with a chamber 305a and a suction inlet 305b, and the time that motion suspends according to belt conveyor 400, forms negative pressure with at suction inlet 305b place generation suction in the 305a of chamber, thereby in place workpiece 1 clamping.And for example shown in Fig. 5, in guide plate 405, form opening 405a, to expose workpiece 1 and the opposite check surface of check surface suction inlet 305b clamping.That is, clap the image of getting a check surface by the 3rd inspection photographic camera 301 by opening 405a, this check surface is opposite with the check surface of suction inlet 305b clamping.Like this, get video image, just might obtain stable image and improve the accuracy of checking by when workpiece 1 is in place by the suction clamping, clapping.Equally, the suction nozzle 307 of location workpiece is arranged on belt conveyor 400 and checks the opposite side of photographic camera with the 4th, and in guide plate 405, provide opening 405a, make the 4th inspection photographic camera 301 clap the image of a check surface of getting workpiece 1, this check surface is opposite with the check surface of suction nozzle 307 clampings of location workpiece.
The box 407 of undesirable product is set at second section 300 downstream, be used for being collected in the workpiece that is considered to undesirable product in first section 200 or second sections 300, and the box 409 of the product that meets the requirements is used for being collected in and is considered to meet the requirements the workpiece of product for first section 200 or second sections 300.And each air nozzle 411,413 is set at the opposite side of belt conveyor 400 and box 407,409.Therefore, be considered under the situation of undesirable product in first section 200 or second sections 300 at workpiece 1, when workpiece 1 arrived the position of box 407 of undesirable product, air nozzle 411 ejection air-flows forced workpiece 1 to fall in the box 407 of undesirable product; And workpiece 1 was considered to meet the requirements the situation of product in first section 200 and second sections 300 under, when workpiece 1 arrived the position of box 409 of the product that meets the requirements, air nozzle 413 ejection air-flows forced workpiece 1 to fall into the box 409 of the product that meets the requirements.In this embodiment, the box of another undesirable product may be set in first section 200 downstream, be used for being collected in the workpiece that is considered to undesirable product in first section 200.In other words, the box of undesirable product is used for being collected in the workpiece that is considered to undesirable product in this section after can being set at each section.
The operation of Work inspection device 3 then will be described.
The basic operation of belt conveyor 400 and dish 201 at first will be described.That is, belt conveyor 400 is driven by sprocket gear in the mode of stepping, and wherein the distance that belt conveyor 400 only moves and equates with the spacing of notch portion 400b in each step just stops then.At belt conveyor 400 each stopping periods, operation inspection photographic camera 301 and 303.This moment, at belt conveyor 400 each stopping periods, even the top of belt conveyor 400 is positioned at a recess 207, a notch portion 400b of belt conveyor 400 still is positioned at and coils the position that this recess 207 of 201 is complementary.And dish 201 also rotates in the mode of stepping, wherein only rotates the distance that equates with the spacing of recess 207 in each step mid-game 201, just stops then.At dish 201 each stopping periods, operation inspection photographic camera 203 and 205.
At this moment, according to the time of dish 201 time-out, Workpiece supply portion workpiece 1 of 100 supplies enters a recess 207, and after finishing this supplying step, dish 201 clockwise rotates then.In first section 200, inspection photographic camera 203 and 205 is clapped the image of two check surfaces getting workpiece 1, and after having clapped these images, these workpiece 1 are delivered to the notch portion 400b of belt conveyor 400 successively then.Then, the workpiece 1 that is delivered to notch portion 400b is transmitted is with 400 to be sent to second section 300, claps the image of getting other two check surfaces at this place's inspection photographic camera 301 and 303.Then, result based on the inspection of execution in first section 200 and second sections 300, the workpiece 1 that is considered to undesirable product is collected in the box 407 of undesirable product, and the workpiece 1 of the product that is considered to meet the requirements is collected in the box 409 of the product that meets the requirements, so satisfactory workpiece 1 is can be packaged good and transport.
Should be noted that in this for convenience, by exaggerationization, and in fact their size is very little to the size of recess 207 and notch portion 400b in Fig. 1～5, so that be complementary with the size of workpiece 1.
Now, the design configurations quantity that middle against existing technologies workpiece device is possible and the very limited selection of assembly, the peripheral part of this workpiece device use dish holding workpiece of assigning to, in belt conveyor 400 conveying work pieces 1, check the check surface of workpiece 1, the Work inspection device 3 of present embodiment can be suitable the space fix along the landline of workpiece 1, might enlarge the possible design configurations quantity and the selection of assembly like this.For example, with regard to spatial destribution, might one group of two photographic camera be set in each side, each photographic camera is clapped a check surface (wherein transmit two workpiece at every turn, and once clap the image of the check surface of getting two workpiece) of getting workpiece.Like this, owing to when realizing the high speed conveying workpieces, can clap the image of getting check surface, therefore can improve the processing capacity of Work inspection device.
Then, with reference to Fig. 6, according to a second embodiment of the present invention Work inspection device 5 will be described.In this embodiment, dish 201 shown in Figure 1 is replaced by belt conveyor.Be that Workpiece supply portion 100 of Work inspection device 5 outfits is used to supply workpiece 1, be used to check two check surfaces of workpiece 1 for first section 500, be used to check all the other two check surfaces of workpiece 1 for second section 600, transfer part 700 is used for workpiece 1 is delivered to second section 600 from first section 500, the belt conveyor 415 of first ring-type is used for through first section 500 belt conveyor 417 that workpiece 1 is sent to transfer part 700, the second ring-types workpiece 1 being sent to second section 600 from transfer part 700 from Workpiece supply portion 100 orders.In addition, belt conveyor 415 and 417 has the structure (but notch portion in Fig. 6 be not shown) same with belt conveyor shown in Figure 1 400.
In addition, give dish 101 supplies a workpiece 1 from Workpiece supply portion 100 at every turn.Just in this point, the dish 101 of present embodiment and the dish 201 of first embodiment have same spline structure, and as shown in Figure 7, guide plate 103 is along the first half setting of dish 101.In this layout, workpiece 1 is placed in the recess of dish 101, when the highest point of workpiece 1 arrival dish 101, the air nozzle 105 that is arranged on this position is just to this workpiece 1 ejection air-flow, moves in the notch portion 415a of first belt conveyor 415 from coiling 101 recess to force workpiece 1.In addition, first belt conveyor 415 places between guide plate 107 and 109, suction nozzle 111 has same structure with the suction nozzle 305 of location workpiece shown in Figure 5, and is arranged on the guide plate 109, guarantees that so that suction to be provided workpiece 1 reliably is placed in the notch portion 415a of first belt conveyor 415.
Be equipped with for first section 500 first to check photographic camera 501 and inspection photographic camera 503, be used to check two check surfaces of workpiece 1.In addition, the suction nozzle 305 of suction nozzle 505,507 and location workpiece shown in Figure 5 has same structure, and is separately positioned on the opposition side of checking photographic camera 501,503.
Transfer part 700 is equipped with dish 701, air nozzle 703 and 705 and suction nozzle 707, and suction nozzle 707 has same structure with suction nozzle 111 shown in Figure 7, and is arranged on second belt conveyor 417 and coils 701 opposite sides.In this connected, Fig. 8 was the enlarged view of the transfer part 700 of getting along arrow B among Fig. 6.As shown in Figure 8, send the workpiece 1 of transfer part 700 to by first belt conveyor 415, at first be delivered to dish 701 by the air-flow that ejects from air nozzle 703, after dish 701 rotated 90 degree, the workpiece 1 that is clamped in the recess of dish 701 was delivered to second belt conveyor 705 by the air-flow that ejects from air nozzle 705 then.
Be equipped with for second section 600 the 3rd to check photographic camera 601 and the 4th inspection photographic camera 603, be used to check all the other two check surfaces of workpiece 1.In addition, the suction nozzle 305 of suction nozzle 605,607 and location workpiece shown in Figure 5 has same structure, and is separately positioned on the opposition side of checking photographic camera 601,603.
A box 609 that is used for collecting the undesirable product of undesirable product is set in a side of second belt conveyor 417, second section 600 downstream, with one be used for collecting the box 611 of the product that meets the requirements of product of meeting the requirements, air nozzle 613,615 is separately positioned on the opposition side of second belt conveyor 417, so that second belt conveyor 417 is arranged between box 609,611 and the air nozzle 613,615.In addition, the box 709 of undesirable product is arranged on dish 701 bottom, is used for being collected in the workpiece 1 that is considered to undesirable product in first section 500 inspection of carrying out.
In this embodiment, because use two belt conveyor, can obtain so just may further enlarging design configurations quantity than the first embodiment more space.
In the above-described embodiments, use the CCD photographic camera that surface of the work is checked.But the invention is not restricted to this layout, might use any suitable checkout facility (for example device of measuring resistor or electric capacity) to check the face that exposes of workpiece.In addition, even as above-mentioned embodiment is described at belt conveyor (400, notch portion (400b is formed at top 415 and 417), 415a, 417a), the present invention also is not limited to this layout, might form notch portion in the zone (for example position of 400c shown in dotted lines in Figure 4) of any requirement of belt conveyor.
And, the invention is not restricted to use air nozzle, might use any suitable device (for example mechanical type promotes the cylinder of workpiece) between each section, to transmit workpiece, and force workpiece to enter to meet the requirements the box of product and the box of undesirable product.
Under the situation that all needs to check on six surfaces of workpiece, Work inspection device of the present invention can be equipped with three belt conveyor, dish and two belt conveyor or two dishes and a belt conveyor.
As mentioned above, against existing technologies in the testing fixture of use dish only, the workpiece that Work inspection device of the present invention uses one or more belt conveyor clampings to check.Therefore, the present invention might make possible design configurations quantity and available space enlargement.
Modification according to the 19th of treaty
1. each surperficial Work inspection device that is used to check the polyhedron workpiece, it comprises:
The belt conveyor of at least one ring-type, it has within it a plurality of notch portion that form, are used for holding workpiece;
Equipment with each exposing surface of the workpiece that is used to check the notch portion that is clamped in belt conveyor;
It is characterized in that: this belt conveyor is arranged to make its flat surface vertically to be provided with substantially, and this notch portion forms in the upper end of this belt conveyor.
2. the Work inspection device described in claim 1 also is included at least one guide plate that at least one side of belt conveyor is provided with, and is used to stop workpiece to drop out from the notch portion of belt conveyor.
3. be used to check a kind of inspection method on each surface of polyhedron workpiece, it may further comprise the steps:
Belt conveyor is arranged to make its flat surface vertically to be provided with substantially;
Workpiece is inserted in the notch portion that the upper end of the belt conveyor of ring-type forms;
Make conveyer belt come conveying work pieces; And
Inspection is clamped in each exposing surface of the workpiece in the notch portion of belt conveyor.

Claims (3)

1. one kind is used to check each surperficial Work inspection device of polyhedron workpiece, comprising:
The belt conveyor of at least one ring-type, it has within it a plurality of notch portion that form, are used for holding workpiece;
Equipment with each exposing surface of the workpiece that is used to check the notch portion that is clamped in belt conveyor.
2. the Work inspection device described in claim 1 also is included at least one guide plate that at least one side of belt conveyor is provided with, and is used to stop workpiece to drop out from the notch portion of belt conveyor.
3. be used to check a kind of inspection method on each surface of polyhedron workpiece, may further comprise the steps:
Workpiece is inserted the notch portion of the belt conveyor of ring-type;
Make conveyer belt come conveying work pieces; And
Inspection is clamped in each exposing surface of the workpiece in the notch portion of belt conveyor.
CNB008107874A 1999-07-30 2000-07-13 Workpiece inspection apparatus and method Expired - Fee Related CN1145575C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP217350/1999 1999-07-30
JP21735099A JP3515435B2 (en) 1999-07-30 1999-07-30 Work inspection device and inspection method
JP217350/99 1999-07-30

Publications (2)

Publication Number Publication Date
CN1364134A true CN1364134A (en) 2002-08-14
CN1145575C CN1145575C (en) 2004-04-14

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JP (1) JP3515435B2 (en)
KR (1) KR100628408B1 (en)
CN (1) CN1145575C (en)
IL (2) IL146869A0 (en)
MX (1) MXPA02001011A (en)
MY (1) MY127007A (en)
TW (1) TW578795U (en)
WO (1) WO2001009013A1 (en)

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IL146869A (en) 2006-08-20
MY127007A (en) 2006-11-30
MXPA02001011A (en) 2004-04-05
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JP3515435B2 (en) 2004-04-05
WO2001009013A1 (en) 2001-02-08

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