CN104150274A

CN104150274A - Tow feeding device

Info

Publication number: CN104150274A
Application number: CN201410396745.4A
Authority: CN
Inventors: 李庆林
Original assignee: XUCHANG TOBACCO MACHINERY CO Ltd
Current assignee: XUCHANG TOBACCO MACHINERY CO Ltd
Priority date: 2014-08-13
Filing date: 2014-08-13
Publication date: 2014-11-19

Abstract

The invention provides a tow feeding device. The tow feeding device comprises a tow buffering box which is provided with a guiding cavity and a storing cavity, the lower portion of the guiding cavity is communicated with the lower portion of the storing cavity, at least one guiding mechanism is arranged in the guiding cavity in the vertical direction, and each guiding mechanism comprises a pair of guiding parts with the gap adjustable in the horizontal direction; a main air conveyor communicated with the storing cavity is arranged on the side wall of the upper portion of the tow buffering box. The tow feeding device has the advantages of being scientific in design and stable in tow feeding, and reducing fluctuation of suction resistance of a filter stick.

Description

Tow feeding mechanism

Technical field

The present invention relates to a kind of filter stick formation equipment, specifically, related to a kind of tow feeding mechanism.

Background technology

Existing tow bag is generally volume 1000mm × 800mm × 1000mm(length × wide × height) cuboid, enter filter-stick forming device by the annular arrangement guiding mechanism with guide rod of being located at tow export department.When work, filter-stick forming device traction tow pulls it tow bag, because tow must be arranged according to certain mode in tow bag, therefore each point differs apart from the distance of tow outlet, the sense of motion of tow in supply process also all changing at any time, cause the supply rate of tow unstable, this can cause the fluctuation of tow supply; In addition, in when packing, top and bottom pressurized are larger, and amount of compression is large, and centre portion is looser, and amount of compression is little, and this also can cause in use procedure, because tractive force differs, finally causing the filtering rod value that forming machine is produced to produce fluctuation.

In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.

Summary of the invention

The object of the invention is for the deficiencies in the prior art, thereby provide a kind of design science, tow supply to stablize, reduce the tow feeding mechanism of filtering rod value fluctuation.

To achieve these goals, the technical solution adopted in the present invention is: a kind of tow feeding mechanism, comprise tow buffer memory case, described tow buffer memory case has directed cavity and the storage chamber that bottom is communicated with, in described directed cavity, edge is vertically provided with at least one guiding mechanism, each guiding mechanism includes the adjustable a pair of guide in gap in the horizontal direction, and the upper portion side wall of described tow buffer memory case is provided with the primary air conveyer being communicated with described storage chamber.

Base the above, have two along the vertical described guiding mechanism arranging in described directed cavity, the gap in the vertical direction described in two on guiding mechanism is just to arranging.

Base the above, the bottom connectivity part in described directed cavity and described storage chamber is provided with a pair of guide.

Base the above, under described primary air conveyer, correspondence is provided with secondary air feeder.

Base the above, described guide is guide plate or guiding roller.

Base the above, on described primary air conveyer and described secondary air feeder, be equipped with apportioning valve.

Base the above, described opto-electronic pickup is all connected with annunciator.

Base the above, vertical multiple material position monitors that distribute in described storage chamber, described material position monitor is opto-electronic pickup, the projector of this opto-electronic pickup and receptor correspondence are arranged on the inwall in described storage chamber, and multiple described opto-electronic pickups are electrically connected respectively multiple flow control input ends of each described apportioning valve.

The relative prior art of the present invention has outstanding substantive distinguishing features and significant progressive, specifically, the present invention sets up intermediary agency on original tow traction basis, comprise buffer memory case, this buffer memory case has directed cavity and the storage chamber that bottom is communicated with, air feeder is sent into tow storage chamber from tow bag detaches, in storage chamber, carry out certain accumulation, be transferred to filter tip former by the guide in directed cavity again, tow supply route is fixed, direction is fixed, avoided filter forming machine directly to change the problem of caused tow supply fluctuation when extracting tow in tow bag due to tow sense of motion always, in addition, because the pressure detaching is certain, the tow thickness of accumulation is certain, its speed detaching also tends towards stability, also avoided the problem of tow bag due to the different filtering rod value fluctuations that cause of the different required tractive forces of each several part amount of compression, described air feeder is the air feeder based on venturi principle, its effect is that tow is transported to storage chamber in tow bag.

Further, guiding mechanism arranges two, and in the vertical direction is just to arranging, and can make guiding more stable, also can prevent that tow distortion from spinning.

Further, in the bottom connectivity part in directed cavity and storage chamber, a pair of guide is set, the tow that is about to enter in directed cavity is arranged.

Further, under described primary air conveyer, correspondence is provided with secondary air feeder, and two air feeders make course of conveying more stable.

Further, guide is guide plate or guiding roller, and application is extensively simple.

Further, on described primary air conveyer and described secondary air feeder, be equipped with apportioning valve, can adjust by resize ratio valve the supply of tow.

Further, described opto-electronic pickup is all connected with annunciator.Corresponding different storage content is reported to the police or early warning, facilitates staff to understand in time work information.

Further, storage arranges material position monitor in chamber, the projector of this opto-electronic pickup and receptor correspondence are arranged on the inwall in described storage chamber, whether be blocked the storage content that judges tow by light, multiple described opto-electronic pickups are electrically connected respectively multiple flow control input ends of each described apportioning valve, once opto-electronic pickup is responded to less than electric signal, corresponding flow control input end obtains signal, the openings of sizes of resize ratio valve, thereby reach the size of controlling tow supply flow, make to keep in tow storage chamber the tow of stable quantity.

It has advantages of that design science, tow supply are stablized, the fluctuation of reduction filtering rod value.

Brief description of the drawings

Fig. 1 is the structural representation of tow feeding mechanism in embodiment 1.

Fig. 2 is the structural representation of tow feeding mechanism in embodiment 2.

In figure: 1. directed cavity; 2. storage chamber; 3. guide plate; 4. material position monitor; 5. primary air conveyer; 6. secondary air feeder; 7. filter-stick forming device.

Detailed description of the invention

Below by detailed description of the invention, technical scheme of the present invention is described in further detail.

Embodiment 1

As shown in Figure 1, a kind of tow feeding mechanism, comprise that tow delays case, the left side of this tow buffer memory case is directed cavity 1, right side is storage chamber 2, tow is first stored in storage chamber 2, offer fiber tow filter rods forming machine 7 via directed cavity again, in directed cavity, be provided with two pairs of horizontal direction gaps adjustable, the guide plate 3 that vertical direction gap is just right, tow is in the time of the gap through between every pair of guide plate 3, be directed to plate 3 and adjust the direction of transmission, enter filter-stick forming device with the orientation of fixing, avoided directly extracting the resistance to suction value fluctuation that the situations such as tow swing that tow causes cause in tow bag, simultaneously, because the pulling force of filter-stick forming device is certain, in memory space, the tow amount of storage is certain, the stability of the speed of tow supply is guaranteed, further ensure the stability of resistance to suction value, vertical 3 material position monitors 4 that distribute in described storage chamber, left, the bottom connectivity part of right both sides is provided with the adjustable a pair of guide plate 3 in gap, its Main Function is that tow is arranged, prevent that its distortion from spinning.

Tow is pulled out tow in tow bag by primary air conveyer 5 and secondary air feeder 6, make tow supply stable, equal Set scale valve on major and minor air feeder, adjust suction quantity by resize ratio valve, thereby adjust the supply rate of tow, ensure the stable of tow amount in storage chamber.

Embodiment 2

As shown in Figure 2, the difference of this embodiment and embodiment 1 is: 3 material position monitors 4 are vertically set in described storage chamber, described material position monitor 4 is opto-electronic pickup, the projector of this opto-electronic pickup and receptor opposition are arranged on the sidewall in described storage chamber, multiple described opto-electronic pickups are electrically connected respectively multiple flow control input ends of each described apportioning valve, when there being tow to shelter from opto-electronic pickup, make receptor cannot receive signal, just send a signal to the flow regulating input end of corresponding apportioning valve, adjust the speed of transmission of primary air conveyer, extremely topmost the flow regulating input end of correspondence strengthens successively bottom, correspondence flow regulating input end the most at a slow speed topmost, corresponding 1 grade of flow regulating input end at a slow speed bottom, meanwhile, alerting signal corresponding to each opto-electronic pickup from bottom to top, least significant end as early warning and alarming, the reporting to the police as emergency episode of most significant end.

In other embodiments, can replace guide plate to reach identical guide effect with guiding roller.

Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request protection of the present invention.

Claims

1. a tow feeding mechanism, it is characterized in that: it comprises tow buffer memory case, described tow buffer memory case has directed cavity and the storage chamber that bottom is communicated with, in described directed cavity, edge is vertically provided with at least one guiding mechanism, each guiding mechanism includes the adjustable a pair of guide in gap in the horizontal direction, and the upper portion side wall of described tow buffer memory case is provided with the primary air conveyer being communicated with described storage chamber.

2. tow feeding mechanism according to claim 1, is characterized in that: in described directed cavity, have two along the vertical described guiding mechanism arranging, the gap in the vertical direction described in two on guiding mechanism is just to arranging.

3. tow feeding mechanism according to claim 2, is characterized in that: the bottom connectivity part in described directed cavity and described storage chamber is provided with a pair of guide.

4. tow feeding mechanism according to claim 3, is characterized in that: under described primary air conveyer, correspondence is provided with secondary air feeder.

5. tow feeding mechanism according to claim 4, is characterized in that: described guide is guide plate or guiding roller.

6. according to the tow feeding mechanism described in claim 1-5 any one, it is characterized in that: on described primary air conveyer and described secondary air feeder, be equipped with apportioning valve.

7. tow feeding mechanism according to claim 6, is characterized in that: described opto-electronic pickup is all connected with annunciator.

8. tow feeding mechanism according to claim 7, it is characterized in that: vertical multiple material position monitors that distribute in described storage chamber, described material position monitor is opto-electronic pickup, the projector of this opto-electronic pickup and receptor correspondence are arranged on the inwall in described storage chamber, and multiple described opto-electronic pickups are electrically connected respectively multiple flow control input ends of each described apportioning valve.