CN105773420A - Abrasive belt feeding mechanism - Google Patents
Abrasive belt feeding mechanism Download PDFInfo
- Publication number
- CN105773420A CN105773420A CN201610225903.9A CN201610225903A CN105773420A CN 105773420 A CN105773420 A CN 105773420A CN 201610225903 A CN201610225903 A CN 201610225903A CN 105773420 A CN105773420 A CN 105773420A
- Authority
- CN
- China
- Prior art keywords
- motor
- friction roller
- contactor
- take
- coil
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
Abstract
The invention discloses an abrasive belt feeding mechanism. The abrasive belt feeding mechanism comprises a belt winding box and a motor, and further comprises a first friction roller, a second friction roller, a driving wheel, a driven wheel and a control circuit for controlling inching, continuous operation and stop of the motor; the two ends of the first friction roller are supported on the belt winding box through a first bearing; an axial extending part is arranged at one end of the first friction roller, and extends out of the belt winding box; the driven wheel is fixed on the extending part of the first friction roller; the second friction roller is mounted on the belt winding box through a second bearing; the motor is fixed on the belt winding box; the axial direction of an output end of the motor is parallel to the axial direction of the first friction roller; the driving wheel is fixed on the output end of the motor; the driving wheel and the driven wheel are in transmission connection or fit; and the control circuit is electrically connected with the motor. The abrasive belt feeding mechanism has the advantages of incapability of deforming and damaging abrasive belts in the conveying process and more convenience for control of the motor.
Description
Technical field
The present invention relates to a kind of abrasive band feed mechanism.
Background technology
The polishing of current crankshaft journal adopts abrasive band polishing, and belt sander designs defective on abrasive band feeding controls, and hand feed, operating difficulties are leaned in the feeding of belt sander, and the amount of feeding is unstable, wastes bigger.
The patent of invention that publication number is CN103158065A discloses a kind of abrasive band automatic feed mechanism, it includes feeding cylinder, feed rack, take-up case, with be positioned at the spool gear of take-up case box body, two short gears, feeding sector gear, fixing axle and feed shaft, described fixing axle is provided with the spool gear of unidirectional needle bearing II and is fixed on take-up case front end through two ends；Described feed shaft sequentially passes through the short gear being provided with unidirectional needle bearing I, be provided with unidirectional needle bearing III feeding sector gear and another short gear being provided with unidirectional needle bearing I are arranged on the middle part of take-up case, said two short gear is meshed with spool gear simultaneously, and the two ends of feed shaft are installed in the monosymmetric installing hole of take-up case；Described feeding cylinder is fixed on outside the rear end of take-up case, and described feed rack is loaded on feeding cylinder front end, and feed rack is positioned at take-up case top and is meshed with feeding sector gear, and the piston movement of feeding cylinder drives feed rack to move forward and backward.
Above-mentioned abrasive band automatic feed mechanism adopts the engagement of two gears to realize the auto-feed in abrasive band, but, when two gear engagements, abrasive band can be made to produce flexural deformation, and this mechanism strengthens the abrasive band of structure sheaf for being internally provided with, it is not easy to make abrasive band be returned to original shape, and existing abrasive band adopts glue bonding between layers mostly, after oppressing through the engagement of gear, it is easy to cause ftractureing in bonding part, thus abrasive band is damaged.
Summary of the invention
For above-mentioned technical problem, the present invention provides a kind of will not make abrasive band deformation and the abrasive band feed mechanism destroyed in transmission process.
Realize technical scheme as follows:
Abrasive band feed mechanism, including take-up case and motor, also include the first friction roller, second friction roller, drivewheel, driven pulley, and control motor crawl, run continuously, the control circuit stopped, the two ends of described first friction roller are bearing on take-up case by clutch shaft bearing, one end of first friction roller is provided with axial extension, this extension reaches the outside of take-up case, described driven pulley is fixed on the extension of the first friction roller, second friction roller is arranged on take-up case by the second bearing, described motor is fixed on take-up case, axially axially in parallel with the first friction roller of motor output end, described drivewheel is fixed on the outfan of motor, drivewheel is in transmission connection with driven pulley or coordinates, described control circuit electrically connects with motor.
The extension of described first friction roller is provided with axle sleeve, and one end of this axle sleeve and the axial end of driven pulley are supported, and the other end of axle sleeve and the box wall of take-up case are supported.
Another axial end of described driven pulley is spacing by the nut being fixed on extension.
Described control circuit includes button, obtain electric time delay relay, auxiliary reclay and A.C. contactor, one end of button is connected with positive source, the other end of button is connected with power cathode by the coil of the time relay, the branch road that the normally closed interlock of the time relay is formed with the coils connected in series of auxiliary reclay, it is parallel to the two ends of the coil of the time relay, the time relay not time delay wink moving contact one end connect the positive source time relay not time delay wink moving contact one end connect power cathode by the coil of A.C. contactor, the normally closed interlock of auxiliary reclay is connected with the first normally open contact of A.C. contactor the branch road being split into, be parallel to the time relay not time delay wink moving contact two ends, second normally open contact of A.C. contactor is connected between three phase supply power supply and motor.
Also including a thermorelay, the normally closed interlock of this thermorelay is connected between the coil of A.C. contactor and power cathode, and the heater element of thermorelay is connected between the second normally open contact and the motor of A.C. contactor.
Have employed such scheme, when the present invention works, the power exported by motor drives drivewheel to rotate, power is transferred to driven pulley by drivewheel, thus driving first friction roller to rotate, first friction roller imparts power to the second friction roller by friction force, drives the second friction roller to rotate, and sends into thus realizing abrasive band.Due to two friction rollers and abrasive band gross area contact, abrasive band, in being transmitted through kind, will not produce bending bending, thus it is ensured that abrasive band is intact.Additionally, the present invention is coordinated by button and the time relay, auxiliary reclay and A.C. contactor, can easily complete the crawl of motor, continuously operation and the operation stopped, not only easy to operate, and circuit structure is also very simple, has easy to control and that use cost is low advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram of control circuit in the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Referring to Fig. 1, the abrasive band feed mechanism of the present invention, including take-up case 1 and motor 2, also include first friction roller the 3, second friction roller 4 and drivewheel 5 and driven pulley 6, the two ends of described first friction roller 3 are bearing on take-up case 1 by clutch shaft bearing, one end of first friction roller 1 is provided with axial extension 3a, this extension 3a reaches the outside of take-up case, the two ends of the first friction roller are equipped with axle, wherein the axle of one end is short, the axial length of the other end, a part for major axis is for assembling with clutch shaft bearing, and another part of major axis defines extension 3a.Described driven pulley 6 is fixed on the extension 3a of the first friction roller 3, driven pulley 6 is circumferentially fixed with extension 3a by spline, in order to limit driven pulley 6 axial displacement, the extension 3a of described first friction roller is provided with axle sleeve 7, the axial end of one end of this axle sleeve 7 and driven pulley 6 is supported, the box wall 1 of the other end of axle sleeve and take-up case is supported, and another axial end of described driven pulley 6 is spacing by the nut being fixed on extension.Second friction roller 4 is arranged on take-up case by the second bearing, and the roll body of the first friction roller 3 and the second friction roller 4 is all in the inside of take-up case 1, and the first friction roller 3 and the second friction roller 4 carry out transmission by friction force.Described motor 2 is fixed on take-up case 1, and axially axially in parallel with the first friction roller 3 of motor 2 outfan, described drivewheel 5 is fixed on the outfan of motor, and drivewheel 5 is in transmission connection with driven pulley 6 or coordinates.Drivewheel 5 and driven pulley 6 preferentially adopt friction roller, between the two by friction force transmission, the volume and weight of drivewheel 5 is all much smaller than driven pulley 6, preferably, the weight of drivewheel 5 is 1st/10th of driven pulley 6, thus after motor quits work, pass through friction force, the inertia making drivewheel cannot drive driven pulley, and driven pulley can also stop in time, is so conducive to improving the precision of transmission sand paper.Drivewheel 5 and driven pulley 6 transmission can also adopt the type of belt drive such as gear, sprocket wheel.
nullPresent invention additionally comprises control motor crawl、Run continuously、The control circuit stopped，This control circuit includes button SB、Obtain electric time delay relay、Auxiliary reclay and A.C. contactor，One end of button SB is connected with positive source，The other end of button SB is connected with power cathode by the coil KT of the time relay，The normally closed interlock KT1 of the time relay and the coil KA of auxiliary reclay connect formed branch road，It is parallel to the two ends of the coil KT of the time relay，The one end in not time delay wink moving contact KT2 of the time relay connects the one end in not time delay wink moving contact KT2 of the positive source time relay and connects power cathode by the coil KM of A.C. contactor，The normally closed interlock KA1 of auxiliary reclay and the first normally open contact KM1 of A.C. contactor connects the branch road being split into，It is parallel to the two ends in not time delay wink moving contact KT2 of the time relay，Second normally open contact of A.C. contactor is connected between three phase supply power supply and motor 2 (representing with labelling M in circuit diagram).Also including a thermorelay, the normally closed interlock FR1 of this thermorelay is connected between coil KM and the power cathode of A.C. contactor, and the heater element FR of thermorelay is connected between the second normally open contact KM2 and the motor of A.C. contactor.
The work process of the present invention is: (1) crawl, pin button SB in electric time delay relay delay time and do not unclamp, obtain the coil KT of electric time delay relay, the coil KA of auxiliary reclay obtains electric adhesive, the normally open contact KA1 of auxiliary reclay disconnects, cut off the self-locking circuit of A.C. contactor, obtain electric time delay relay trigger, obtain the not time delay wink dynamic normally open contact KT2 Guan Bi of electric time delay relay, the coil KM of A.C. contactor obtains electric adhesive, second normally open contact KM2 Guan Bi of A.C. contactor, motor 2 obtains electric operation.Release button SB in electric time delay relay delay time, obtain the coil KA dead electricity release of the coil KT of electric time delay relay, auxiliary reclay, the not time delay wink dynamic normally open contact KT2 obtaining electric time delay relay disconnects, the normally closed interlock of auxiliary reclay recovers normally off, the coil KM dead electricity release of A.C. contactor, second normally open contact KM2 of A.C. contactor disconnects, and motor dead electricity is out of service, thus realizing crawl operation.
(2) continuously run, pin time of button SB exceed electric time delay relay delay time after unclamp, the normally closed interlock KT1 obtaining electric time delay relay disconnects, cut off the coil KA power supply of auxiliary reclay, the coil KA dead electricity release of auxiliary reclay, the normally closed interlock KA1 of auxiliary reclay recovers normally off, it is supplied to A.C. contactor self-locking circuit, the coil KM of A.C. contactor obtains electric adhesive in not time delay wink dynamic normally open contact KT2 after closing, first normally open contact KM1 of A.C. contactor closes self-locking circuit and connects, second normally open contact KM2 Guan Bi of A.C. contactor, motor 2 obtains electric operation, connect owing to the first normally open contact KM1 of A.C. contactor closes self-locking circuit, therefore, exchange phallus can work constantly, thus motor can work constantly.
(3) shut down, after motor continuously runs, desire is then instantaneous when stopping presses the button SB, now, obtain the coil KT of electric time delay relay, the coil KA of auxiliary reclay all electric adhesive, although the not time delay wink dynamic normally open contact KT2 Guan Bi obtaining electric time delay relay, but it is connected on the normally open contact KA1 in A.C. contactor self-locking circuit to disconnect, cut off the self-locking circuit of A.C. contactor, after release button SB, the not time delay wink dynamic normally open contact KT2 obtaining electric time delay relay disconnects, the normally closed interlock KA1 of auxiliary reclay also recovers normally off, the coil KM dead electricity release of A.C. contactor, second normally open contact KM2 of A.C. contactor disconnects, motor dead electricity shuts down.
Claims (5)
1. abrasive band feed mechanism, including take-up case and motor, it is characterized in that: also include the first friction roller, second friction roller, drivewheel, driven pulley, and control motor crawl, run continuously, the control circuit stopped, the two ends of described first friction roller are bearing on take-up case by clutch shaft bearing, one end of first friction roller is provided with axial extension, this extension reaches the outside of take-up case, described driven pulley is fixed on the extension of the first friction roller, second friction roller is arranged on take-up case by the second bearing, described motor is fixed on take-up case, axially axially in parallel with the first friction roller of motor output end, described drivewheel is fixed on the outfan of motor, drivewheel is in transmission connection with driven pulley or coordinates, described control circuit electrically connects with motor.
2. abrasive band according to claim 1 feed mechanism, it is characterised in that: the extension of described first friction roller is provided with axle sleeve, and one end of this axle sleeve and the axial end of driven pulley are supported, and the other end of axle sleeve and the box wall of take-up case are supported.
3. abrasive band according to claim 2 feed mechanism, it is characterised in that: another axial end of described driven pulley is spacing by the nut being fixed on extension.
null4. abrasive band according to claim 1 feed mechanism，It is characterized in that: described control circuit includes button (SB)、Obtain electric time delay relay、Auxiliary reclay and A.C. contactor，One end of button (SB) is connected with positive source，The other end of button (SB) is connected with power cathode by the coil (KT) of the time relay，The normally closed interlock (KT1) of the time relay connect with the coil (KA) of auxiliary reclay formed branch road，It is parallel to the two ends of the coil (KT) of the time relay，The one end in not time delay wink moving contact (KT2) that the one end in not time delay wink moving contact (KT2) of the time relay connects the positive source time relay connects power cathode by the coil (KM) of A.C. contactor，The normally closed interlock (KA1) of auxiliary reclay is connected with first normally open contact (KM1) of A.C. contactor the branch road being split into，It is parallel to the two ends in not time delay wink moving contact (KT2) of the time relay，Second normally open contact of A.C. contactor is connected between three phase supply power supply and motor.
5. abrasive band according to claim 4 feed mechanism, it is characterized in that: also include a thermorelay, the normally closed interlock (FR1) of this thermorelay is connected between coil (KM) and the power cathode of A.C. contactor, and the heater element (FR) of thermorelay is connected between the second normally open contact (KM2) and the motor of A.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225903.9A CN105773420A (en) | 2016-04-12 | 2016-04-12 | Abrasive belt feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225903.9A CN105773420A (en) | 2016-04-12 | 2016-04-12 | Abrasive belt feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105773420A true CN105773420A (en) | 2016-07-20 |
Family
ID=56397250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610225903.9A Pending CN105773420A (en) | 2016-04-12 | 2016-04-12 | Abrasive belt feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105773420A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0428435A (en) * | 1990-05-22 | 1992-01-31 | Kinichi Ogawa | Method for controlling release of roll feeder |
| JPH06231321A (en) * | 1993-01-29 | 1994-08-19 | Orient Watch Co Ltd | Ticket issuing device |
| US5671065A (en) * | 1993-12-01 | 1997-09-23 | Samsung Electronics Co., Ltd. | Paper conveying and automatic cutting device for a facsimile apparatus which uses a single bi-directional drive motor |
| CN101376151A (en) * | 2008-09-18 | 2009-03-04 | 常州市佳王精密机械有限公司 | Feeding machine with rolling wheel |
| CN101773969A (en) * | 2010-01-11 | 2010-07-14 | 南京工程学院 | Automatic feed mechanism with single-edge roll shaft |
| CN102489774A (en) * | 2011-12-29 | 2012-06-13 | 新华都特种电气股份有限公司 | Amorphous alloy strip cutting tool and amorphous alloy slitting device |
| CN102974710A (en) * | 2012-12-20 | 2013-03-20 | 黑龙江昕泰管业有限公司 | Slipping and continuous feeding device for high speed perforating machine |
| CN103158065A (en) * | 2013-03-13 | 2013-06-19 | 天润曲轴股份有限公司 | Sanding belt automatic feeding mechanism |
| CN104639006A (en) * | 2014-11-25 | 2015-05-20 | 常州常隆信息科技有限公司 | Control circuit for controlling inching, continuous operation and stopping of motor via single button |
| CN205630311U (en) * | 2016-04-12 | 2016-10-12 | 常州市金牛研磨有限公司 | Abrasive band feed mechanism |
-
2016
- 2016-04-12 CN CN201610225903.9A patent/CN105773420A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0428435A (en) * | 1990-05-22 | 1992-01-31 | Kinichi Ogawa | Method for controlling release of roll feeder |
| JPH06231321A (en) * | 1993-01-29 | 1994-08-19 | Orient Watch Co Ltd | Ticket issuing device |
| US5671065A (en) * | 1993-12-01 | 1997-09-23 | Samsung Electronics Co., Ltd. | Paper conveying and automatic cutting device for a facsimile apparatus which uses a single bi-directional drive motor |
| CN101376151A (en) * | 2008-09-18 | 2009-03-04 | 常州市佳王精密机械有限公司 | Feeding machine with rolling wheel |
| CN101773969A (en) * | 2010-01-11 | 2010-07-14 | 南京工程学院 | Automatic feed mechanism with single-edge roll shaft |
| CN102489774A (en) * | 2011-12-29 | 2012-06-13 | 新华都特种电气股份有限公司 | Amorphous alloy strip cutting tool and amorphous alloy slitting device |
| CN102974710A (en) * | 2012-12-20 | 2013-03-20 | 黑龙江昕泰管业有限公司 | Slipping and continuous feeding device for high speed perforating machine |
| CN103158065A (en) * | 2013-03-13 | 2013-06-19 | 天润曲轴股份有限公司 | Sanding belt automatic feeding mechanism |
| CN104639006A (en) * | 2014-11-25 | 2015-05-20 | 常州常隆信息科技有限公司 | Control circuit for controlling inching, continuous operation and stopping of motor via single button |
| CN205630311U (en) * | 2016-04-12 | 2016-10-12 | 常州市金牛研磨有限公司 | Abrasive band feed mechanism |
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Application publication date: 20160720 |
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