CN215047629U

CN215047629U - Silk thread collecting device for carbon fiber production

Info

Publication number: CN215047629U
Application number: CN202120839424.2U
Authority: CN
Inventors: 胡礼杰
Original assignee: Yancheng Xiang Sheng Carbon Fiber Technology Co ltd
Current assignee: Yancheng Xiang Sheng Carbon Fiber Technology Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-07
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a silk thread collecting device for carbon fiber production, comprises a workbench, the workstation top is equipped with box and first motor, and the box is located the left side of first motor, and the top is equipped with wind-up roll and second motor in the box, and the one end of wind-up roll is through shaft coupling fixedly connected with rotating electrical machines, the inside fixed mounting of box has baffle and guide roller, and wherein the both ends of guide roller all are through bearing and the inner wall fixed connection of box, the guide roller is located one side of arrangement case, the top of guide roller is provided with the clearance case, and the clearance case is fixed mounting on the box inner wall, and the inside fixed mounting of clearance case has self-cleaning mechanism and dust removal mechanism, the second motor front side is connected with first pivot, is connected with electric putter in the first pivot; the utility model discloses when the baffle covers the through-hole on the box, electric putter stops the extension, prevents that the inside carbon fiber silk of box from being polluted by the dust.

Description

Silk thread collecting device for carbon fiber production

Technical Field

The utility model relates to a carbon fiber silk thread production technical field, concretely relates to equipment is collected to silk thread for carbon fiber production.

Background

The carbon fiber has excellent performances incomparable with other materials such as high specific strength, high specific modulus, high temperature resistance, fatigue resistance, creep resistance, friction resistance and the like. In the carbon fiber production process, the produced carbon fiber silk threads need to be collected by using a corresponding collecting device. The existing carbon fiber yarn collecting device has the defects of complex structure and easy dust pollution. In view of the above drawbacks, it is indeed necessary to design a thread take-up device for carbon fibre production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an equipment is collected to silk thread for carbon fiber production to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a silk thread collecting device for carbon fiber production comprises a workbench, wherein a box body and a first motor are arranged at the top of the workbench, the box body is positioned at the left side of the first motor, the top in the box body is provided with a wind-up roll and a second motor, one end of the wind-up roll is fixedly connected with a rotating motor through a coupler, a partition plate and a guide roll are fixedly arranged in the box body, wherein both ends of the guide roller are fixedly connected with the inner wall of the box body through bearings, the guide roller is positioned at one side of the sorting box, a cleaning box is arranged above the guide roller, the cleaning box is fixedly arranged on the inner wall of the box body, a self-cleaning mechanism and a dust removing mechanism are fixedly arranged in the cleaning box, the front side of the second motor is connected with a first rotating shaft, the first rotating shaft is connected with an electric push rod, the bottom of the electric push rod is connected with a first suction nozzle, and the first suction nozzle is connected with a first vacuum generator through a pipeline.

Preferably, the below of wind-up roll is provided with the arrangement case, and the arrangement case is fixed on the baffle, and the inside fixed mounting of arrangement case has the arrangement roller, and the quantity of arrangement roller is four, and four arrangement rollers are two and are a set of, and two arrangement roller symmetric distributions are in the inside of arrangement case, and the inside fixed connection of bearing and arrangement case is all passed through at the both ends of four arrangement rollers.

Preferably, the self-cleaning mechanism comprises a telescopic rod, a cleaning plate is fixedly mounted at one end of the telescopic rod, and a reset spring is sleeved on the surface of the telescopic rod.

Preferably, the dust removal mechanism includes dust removal motor and second pivot, and the quantity of second pivot is three, and fixed mounting has rotating gear and cleaning roller in the three second pivot, and the bottom fixed connection of the inner wall of bearing and clearance case is all passed through to the one end of three second pivot, and wherein the other end of two second pivots passes through the top fixed connection of bearing and clearance incasement wall, and the other end of another second pivot passes through the output shaft fixed connection of shaft coupling and dust removal motor, and wherein two rotating gear all mesh with another rotating gear mutually.

Preferably, a dust removal fan and a dust collection box are fixedly mounted at the bottom inside the box body, an air outlet of the dust removal fan is communicated with a dust conveying pipe, an air suction opening of the dust removal fan is communicated with a dust collection pipe, one end, far away from the dust removal fan, of the dust conveying pipe is communicated with the inside of the dust collection box, and one end, far away from the dust removal fan, of the dust collection pipe sequentially penetrates through the partition plate and the cleaning box and extends to the inside of the cleaning box.

Preferably, the box top is equipped with the through-hole, and the through-hole is located the right side of second motor, the box top is equipped with electric putter, and the electric putter right side is connected with the baffle, and the baffle is located the left side of through-hole.

Preferably, the top of the first motor is connected with a support, the left wall of the support is sequentially provided with an upper bearing seat, a lower bearing seat and a third motor from top to bottom, a screw rod is arranged between the upper bearing seat and the lower bearing seat, and the bottom of the screw rod is connected with the third motor.

Preferably, a nut is arranged on the screw rod, the screw rod is matched with the nut, a first air cylinder is arranged on the left side of the nut, a second air cylinder is connected on the left side of the first air cylinder, a second suction nozzle is connected to the bottom of the second air cylinder, and the second suction nozzle is connected with a second vacuum generator through a pipeline.

Compared with the prior art, the utility model relates to a silk thread collecting device for carbon fiber production, through setting up the telescopic link, the cleaning board, reset spring, the dust removal motor, the second pivot, rotary gear and cleaning roller, utilize the dust removal motor to drive one of them second pivot to rotate, other two second pivots begin to rotate through rotary gear, and then the cleaning roller can handle the dust on the carbon fiber silk, the dust of clearing up simultaneously is siphoned away through the dust absorption pipe of dust removal fan, utilize the cleaning roller that constantly rotates to clear up, the damage to carbon fiber silk has the cleaning effect simultaneously, with the constantly rotating of cleaning roller, and then the cleaning roller constantly contacts with the cleaning board, and then can clear up the impurity that the cleaning roller surface accumulated through the cleaning board, simultaneously the cleaning board contacts with the cleaning roller and is extruded, thereby compress the reset spring on the telescopic link, the cleaning plate can be driven to shake continuously to clean impurities on the cleaning plate, so that less impurities remained on the cleaning roller are ensured, effective dust removal treatment can be performed on the carbon fiber wires, the carbon fiber wires are kept clean, and the product quality of the carbon fiber wires is improved; the utility model discloses the box top is equipped with electric putter, and the electric putter right side is connected with the baffle, and the baffle is located the left side of through-hole, and when not needing to use the carbon fiber silk in the box, start electric putter and extend, drive the baffle and move right, and when the baffle covered the through-hole on the box, electric putter stopped extending, prevented that the inside carbon fiber silk of box from being polluted by the dust.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of a yarn take-up device for carbon fiber production according to the present invention;

fig. 2 is the internal structure diagram of a cleaning box in the silk thread collecting device for carbon fiber production.

In the drawings:

1. a work table; 2. a box body; 3. a first motor; 4. a wind-up roll; 5. a second motor; 6. a partition plate; 7. a guide roller; 8. carbon fiber filaments; 9. an electric push rod; 10. a first suction nozzle; 11. a through hole; 12. a first rotating shaft; 13. a support; 14. a third motor; 15. a lower bearing seat; 16. a nut; 17. a first cylinder; 18. a screw rod; 19. an upper bearing seat; 20. a second cylinder; 21. a second suction nozzle; 22. an electric push rod; 23. a baffle plate; 24. arranging the boxes; 25. a finishing roller; 26. cleaning the box; 27. a self-cleaning mechanism; 271. a telescopic rod; 272. cleaning the plate; 273. a return spring; 28. a dust removal mechanism; 281. a dust removal motor; 282. a second rotating shaft; 283. a rotating gear; 284. a cleaning roller; 29. a dust removal fan; 30. a dust collection box; 31. a dust conveying pipe; 32. a dust collection pipe; 33. a rotating electric machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: a silk thread collecting device for carbon fiber production comprises a workbench 1, wherein a box body 2 and a first motor 3 are arranged at the top of the workbench 1, the box body 2 is positioned on the left side of the first motor 3, a winding roller 4 and a second motor 5 are arranged at the inner top of the box body 2, one end of the winding roller 4 is fixedly connected with a rotating motor 33 through a coupler and can wind carbon fiber threads 8, a partition plate 6 and a guide roller 7 are fixedly arranged in the box body 2, two ends of the guide roller 7 are fixedly connected with the inner wall of the box body 2 through bearings, the guide roller 7 can rotate, an arranging box 24 is arranged below the winding roller 4, the arranging box 24 is fixed on the partition plate 6, arranging rollers 25 are fixedly arranged in the arranging box 24, the number of the arranging rollers 25 is four, two of the four arranging rollers 25 are a group, and the two arranging rollers 25 are symmetrically distributed in the arranging box 24, the inside fixed connection of bearing and arrangement case 24 is all passed through at the both ends of four arrangement rollers 25, through setting up guide roller 7 and arrangement roller 25, utilizes and to guarantee the stability of carbon fiber silk in box 2 inside, and guide roller 7 can be with carbon fiber silk box 2 of discharging smoothly, and arrangement roller 25 arranges the carbon fiber silk after removing dust well in order, has reduced the fold on the carbon fiber silk, has improved the aesthetic property.

In this embodiment, the guide roller 7 is located at one side of the sorting box 24, a cleaning box 26 is disposed above the guide roller 7, the cleaning box 26 is fixedly mounted on the inner wall of the box body 2, a self-cleaning mechanism 27 and a dust-removing mechanism 28 are fixedly mounted inside the cleaning box 26, the self-cleaning mechanism 27 includes a telescopic rod 271, a cleaning plate 272 is fixedly mounted at one end of the telescopic rod 271, a return spring 273 is sleeved on the surface of the telescopic rod 271, the dust-removing mechanism 28 includes a dust-removing motor 281 and second rotating shafts 282, the number of the second rotating shafts 282 is three, a rotating gear 283 and a cleaning roller 284 are fixedly mounted on the three second rotating shafts 282, one ends of the three second rotating shafts 282 are fixedly connected with the bottom of the inner wall of the cleaning box 26 through bearings, the other ends of the two second rotating shafts 282 are fixedly connected with the top of the inner wall of the cleaning box 26 through bearings, and the other end of the other second rotating shaft 282 is fixedly connected with an output shaft of the dust-removing motor 281 through a coupling, wherein both of the rotary gears 283 are engaged with the other rotary gear 283.

In this embodiment the inside bottom fixed mounting of box 2 has dust exhausting fan 29 and dust collection box 30, through setting up box 2, cleaning box 26 and baffle 6, can keep apart dust removal process and external world, the impurity that produces like this in the dust removal process can not float in the external environment, is favorable to operating workman's around the protection device health, the impurity of clearing up simultaneously in time utilizes dust exhausting fan 29 to handle, can prevent that the impurity of clearing up from adsorbing once more on the carbon fiber.

In this embodiment, the air outlet of the dust removing fan 29 is communicated with a dust conveying pipe 31, the air suction opening of the dust removing fan 29 is communicated with a dust suction pipe 32, one end of the dust conveying pipe 31, which is far away from the dust removing fan 29, is communicated with the inside of the dust collecting box 30, and one end of the dust suction pipe 32, which is far away from the dust removing fan 29, sequentially penetrates through the partition plate 6 and the cleaning box 26 and extends to the inside of the cleaning box 26, so that the cleaned dust is favorably discharged into the dust collecting box 30 smoothly.

In this embodiment, the front side of the second motor 5 is connected with a first rotating shaft 12, the first rotating shaft 12 is connected with an electric push rod 9, the bottom of the electric push rod 9 is connected with a first suction nozzle 10, the first suction nozzle 10 is connected with a first vacuum generator through a pipeline, the top of the box body 2 is provided with a through hole 11, and the through-hole 11 is located the right side of second motor 5, first motor 3 top is connected with support 13, support 13 left wall is from last to being equipped with bolster bearing housing 19, step 15 and third motor 14 down in proper order, be equipped with lead screw 18 between bolster bearing housing 19 and the step 15, lead screw 18 bottom is connected with third motor 14, be equipped with nut 16 on the lead screw 18, lead screw 18 and the cooperation of nut 16, the nut 16 left side is equipped with first cylinder 17, first cylinder 17 left side is connected with second cylinder 20, second cylinder 20 bottom is connected with second suction nozzle 21, second suction nozzle 21 passes through the pipeline and is connected with second vacuum generator.

In this embodiment 2 top of box is equipped with electric putter 22, electric putter 22 right side is connected with baffle 23, and baffle 23 is located the left side of through-hole 11, when need not use carbon fiber 8 in the box 2, start electric putter 22 extension, drive baffle 23 and move right, when baffle 23 covers through-hole 11 on the box 2, electric putter 22 stops the extension, prevent that the inside carbon fiber of box 2 from being polluted by the dust, when needing to use carbon fiber 8 in the box 2, start electric putter 22 and shorten, drive baffle 23 and move left, when baffle 23 moves through-hole 11 left side, electric putter 22 stops to shorten.

The number of the self-cleaning mechanisms 27 in this embodiment is two, the two self-cleaning mechanisms 27 are symmetrically distributed inside the cleaning box 26, and one end of each telescopic rod 271, which is far away from the corresponding cleaning plate 272, is fixedly connected with the inner wall of the cleaning box 26, and can work normally in cooperation with the dust removing mechanism 28.

The number of the dust removing mechanisms 28 in this embodiment is two, and the tops of the two dust removing motors 281 are fixedly connected with the top of the inner wall of the cleaning box 26, so that both sides of the carbon fiber filaments can be cleaned effectively.

The utility model discloses the theory of operation: the carbon fiber filament 8 is wound on the winding reel 3, a part of the carbon fiber filament 8 is left and is not completely wound, the carbon fiber filament 8 firstly passes through the finishing box 24 and the guide roller 7 and then enters the cleaning box 26 and extends out of the cleaning box 26, when the carbon fiber filament 8 is needed to be used, the second motor 5 is started to rotate to drive the first rotating shaft 12 to rotate, the electric push rod 9 is driven to rotate to drive the first suction nozzle 10 to rotate to a proper position, the second motor 5 is closed, the electric push rod 9 is started to extend to drive the first suction nozzle 10 to move downwards, when the first suction nozzle 10 moves to a proper position, the electric push rod 9 stops extending, the first vacuum generator starts to work to enable the first suction nozzle 10 to generate suction force, so that the carbon fiber filament 8 is firmly sucked, the rotating motor 33 is started to rotate forwards to drive the winding reel 4 to rotate forwards, the carbon fiber filament 8 is driven to be discharged for a certain length, the rotating motor 33 is closed, and the second motor 5 is started to rotate anticlockwise, driving the first rotating shaft 12 to rotate anticlockwise to drive the first suction nozzle 10 to rotate to a horizontal position, turning off the second motor 5, starting the electric push rod 9 to stretch and retract to drive the first suction nozzle 10 to move left and right to drive one end of the carbon fiber filament 8 to just move under the through hole 11, starting the third motor 14 to rotate reversely to drive the screw rod 18 to rotate reversely to drive the nut 16 to move downwards to drive the second suction nozzle 21 to move downwards, when the second suction nozzle 21 moves downwards to a proper position, turning off the third motor 14, starting the first air cylinder 17 to extend to drive the second suction nozzle 21 to move leftwards, when the second suction nozzle 21 moves over the through hole 11, stopping extending the first air cylinder 17, starting the second air cylinder 20 to extend to drive the second suction nozzle 21 to move downwards, when the second suction nozzle 21 moves to a proper position in the box body 2, stopping extending the second air cylinder 20 to extend, starting the second vacuum generator to work to enable the second suction nozzle 21 to generate suction force, thereby firmly sucking the carbon fiber wire 8, closing the first vacuum generator to loosen the carbon fiber wire 8, starting the electric push rod 9 to shorten and reset, starting the second motor 5 to rotate forward to drive the first rotating shaft 12 to rotate forward to drive the first suction nozzle 10 to reset, starting the third motor 14 to rotate forward to drive the screw rod 18 to rotate forward to drive the nut 16 to move upward to drive the second suction nozzle 21 to move upward to drive the carbon fiber wire 8 to be pulled out of the box body 2, closing the motor 14 when the nut 16 moves to the top end of the screw rod 18, starting the first motor 3 to rotate forward to drive the bracket 13 to rotate forward, closing the first motor 3 when the bracket 13 rotates to a horizontal position, closing the second vacuum generator to drive the second suction nozzle 21 to loosen the carbon fiber wire 8, so that a person can hold one end of the carbon fiber wire 8 by hand, simultaneously starting the rotating motor 33 to rotate forward to drive the winding reel 3 to drive the carbon fiber wire 8 to be discharged, thereby realizing the uncoiling and taking out of the carbon fiber wire.

During winding, the carbon fiber wire 8 is sent into the box body 2, the carbon fiber wire 8 sequentially passes through the cleaning box 26, the guide roller 7 and the finishing box 24 to be wound on the winding roller 4, the dust removing motor 281 is utilized to drive one of the second rotating shafts 282 to rotate, the other two second rotating shafts 282 start to rotate through the rotating gear 283, then the cleaning roller 284 can treat dust on the carbon fiber wire, meanwhile, the cleaned dust is sucked away through the dust suction pipe 32 of the dust removing fan 29, the cleaning roller 284 which rotates continuously is utilized to clean, the damage to the carbon fiber wire is reduced, meanwhile, the cleaning effect is achieved, along with the continuous rotation of the cleaning roller 284, the cleaning roller 284 continuously contacts with the cleaning plate 272, further, impurities accumulated on the surface of the cleaning roller 284 can be cleaned through the cleaning plate 272, meanwhile, the cleaning plate 272 contacts with the cleaning roller 284 to be extruded, and then the reset spring 273 on the telescopic rod 271 is compressed, can drive the continuous shake that carries on of cleaning plate 272, clear up the impurity on the cleaning plate 272, in the carbon fiber silk after the dust removal enters into arrangement case 24 through guide roller 7, arrange in order the carbon fiber silk through arrangement roller 25 in arrangement case 24, finally utilize rotating electrical machines 33 to drive wind-up roll 3 and rotate and carry out the rolling to the carbon fiber silk.

To sum up, according to the filament collecting device for carbon fiber production, by arranging the telescopic rod 271, the cleaning plate 272, the reset spring 273, the dust removing motor 281, the second rotating shafts 282, the rotating gear 283 and the cleaning roller 284, the dust removing motor 281 is used for driving one of the second rotating shafts 282 to rotate, the other two second rotating shafts 282 start to rotate through the rotating gear 283, the cleaning roller 284 can treat dust on the carbon fiber filaments, meanwhile, the cleaned dust is sucked away through the dust suction pipe 32 of the dust removing fan 29, the cleaning roller 284 which rotates continuously is used for cleaning, the damage to the carbon fiber filaments is reduced, meanwhile, the cleaning effect is achieved, along with the continuous rotation of the cleaning roller 284, the cleaning roller 284 continuously contacts with the cleaning plate 272, further, impurities accumulated on the surface of the cleaning roller 284 can be cleaned through the cleaning plate 272, and meanwhile, the cleaning plate 272 and the cleaning roller 284 are contacted and extruded, thereby compress reset spring 273 on the telescopic link 271, can drive the continuous shake that shakes of cleaning plate 272, clear up the impurity on the cleaning plate 272 to guaranteed that remaining impurity is less on cleaning roller 284, can carry out effectual dust removal to the carbon fiber silk and handle, make the carbon fiber silk keep clean and tidy clean, be favorable to having improved the product quality of carbon fiber silk.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A silk thread collecting device for carbon fiber production is characterized in that: comprises a workbench (1), wherein the top of the workbench (1) is provided with a box body (2) and a first motor (3), the box body (2) is positioned on the left side of the first motor (3), the top of the box body (2) is provided with a winding roller (4) and a second motor (5), one end of the winding roller (4) is fixedly connected with a rotating motor (33) through a shaft coupling, a partition plate (6) and a guide roller (7) are fixedly arranged inside the box body (2), both ends of the guide roller (7) are fixedly connected with the inner wall of the box body (2) through bearings, the guide roller (7) is positioned on one side of an arranging box (24), the upper part of the guide roller (7) is provided with an arranging box (26), the arranging box (26) is fixedly arranged on the inner wall of the box body (2), the inner part of the arranging box (26) is fixedly provided with a self-cleaning mechanism (27) and a dust removing mechanism (28), the front side of the second motor (5) is connected with a first rotating shaft (12), an electric push rod (9) is connected to the first rotating shaft (12), a first suction nozzle (10) is connected to the bottom of the electric push rod (9), and the first suction nozzle (10) is connected with a first vacuum generator through a pipeline.

2. A thread take-up device for carbon fibre production according to claim 1, characterised in that: the below of wind-up roll (4) is provided with arrangement case (24), and arrangement case (24) are fixed on baffle (6), and the inside fixed mounting of arrangement case (24) has arrangement roller (25), and the quantity of arrangement roller (25) is four, and four arrangement rollers (25) are two for a set of, and two arrangement roller (25) symmetric distribution are in the inside of arrangement case (24), and the inside fixed connection of bearing and arrangement case (24) is all passed through at the both ends of four arrangement rollers (25).

3. A thread take-up device for carbon fibre production according to claim 1, characterised in that: the self-cleaning mechanism (27) comprises a telescopic rod (271), a cleaning plate (272) is fixedly mounted at one end of the telescopic rod (271), and a reset spring (273) is sleeved on the surface of the telescopic rod (271).

4. A thread take-up device for carbon fibre production according to claim 1, characterised in that: the dust removal mechanism (28) comprises a dust removal motor (281) and second rotating shafts (282), the number of the second rotating shafts (282) is three, rotating gears (283) and cleaning rollers (284) are fixedly mounted on the three second rotating shafts (282), one ends of the three second rotating shafts (282) are fixedly connected with the bottom of the inner wall of the cleaning box (26) through bearings, the other ends of the two second rotating shafts (282) are fixedly connected with the top of the inner wall of the cleaning box (26) through bearings, the other end of the other second rotating shaft (282) is fixedly connected with an output shaft of the dust removal motor (281) through a coupler, and the two rotating gears (283) are meshed with the other rotating gear (283).

5. A thread take-up device for carbon fibre production according to claim 1, characterised in that: the inside bottom fixed mounting of box (2) has dust exhausting fan (29) and dust collection box (30), the air outlet intercommunication of dust exhausting fan (29) has dust conveying pipe (31), and the inlet scoop intercommunication of dust exhausting fan (29) has dust absorption pipe (32), and the one end that dust exhausting fan (29) were kept away from in dust conveying pipe 31 is linked together with the inside of dust collection box (30), and baffle (6) and clearance case (26) are run through in proper order and extend to the inside of clearance case (26) to the one end that dust exhausting fan (29) were kept away from in dust absorption pipe (32).

6. A thread take-up device for carbon fibre production according to claim 1, characterised in that: the top of the box body (2) is provided with a through hole (11), the through hole (11) is located on the right side of the second motor (5), the top of the box body (2) is provided with an electric push rod (22), the right side of the electric push rod (22) is connected with a baffle (23), and the baffle (23) is located on the left side of the through hole (11).

7. A thread take-up device for carbon fibre production according to claim 1, characterised in that: the top of the first motor (3) is connected with a support (13), the left wall of the support (13) is sequentially provided with an upper bearing seat (19), a lower bearing seat (15) and a third motor (14) from top to bottom, a screw rod (18) is arranged between the upper bearing seat (19) and the lower bearing seat (15), and the bottom of the screw rod (18) is connected with the third motor (14).

8. A thread take-up device for carbon fibre production according to claim 7, characterised in that: be equipped with nut (16) on lead screw (18), lead screw (18) and nut (16) cooperation, nut (16) left side is equipped with first cylinder (17), and first cylinder (17) left side is connected with second cylinder (20), and second cylinder (20) bottom is connected with second suction nozzle (21), second suction nozzle (21) are connected with second vacuum generator through the pipeline.