Composite fabric laminating device and laminating method thereof

By designing cutting components and corresponding control systems in the composite fabric bonding device, cutting both sides of the composite fabric is solved, the problem of glue overflow during the bonding process is improved, the processing quality and yield rate are improved, and the cutting knife is kept clean.

CN120206953AInactive Publication Date: 2025-06-27KUNSHAN HOKAWA TEXTILE CO LTD
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Patent Information

Application Number
CN202510488992.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2025-06-27
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the bonding process of composite fabrics, due to the pressure of composite rollers, internal glue may overflow the edges, forming hard glue marks, affecting the subsequent sewing process and product aesthetics.

Method used

A composite fabric bonding device is designed, which includes a cutting assembly. The motor starts through PLC to drive the rotation shaft and the cutter to rotate simultaneously. Both sides of the fabric are cut to prevent glue from overflowing. The chips are sucked away by the cooperation of the reciprocating screw and the piston rod to keep the cutter clean.

Benefits of technology

By cutting both sides of the fabric, the glue is effectively prevented from overflowing, the processing quality of composite fabrics is improved, the cutting quality and the yield rate are improved, while keeping the cutter clean and extending the service life of the equipment.

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Abstract

The invention belongs to the technical field of fabric processing equipment, and discloses a composite fabric laminating device and a laminating method.The composite fabric laminating device comprises a base, an unwinding structure, a gluing structure, a conveying structure, a drying box and a winding structure are installed at the top end of the base, two guide rollers are arranged on one side of the drying box, and fixing plates are arranged at the two ends of the two guide rollers; the fixing plates are fixedly installed at the top end of the base, a cutting assembly is arranged on one sides of the two fixing plates, when the composite fabric is subjected to attaching processing, the attached fabric is dried through the drying box, then conveyed between the two guide rollers and finally wound to the outer wall of the winding structure, meanwhile, a motor is controlled to be started through a PLC, and the cutting assembly is arranged on the cutting assembly. The two cutters rotate synchronously to cut the two sides of the fabric, so that the problems that the follow-up sewing process is affected and the product attractiveness is reduced due to the fact that internal glue overflows out of the edge and hard glue marks are formed when the fabric is subjected to pressure of the composite roller after being glued are solved, and the processing quality of the composite fabric can be improved.
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Description

Technical Field

[0001] The present invention belongs to the technical field of fabric processing equipment, and specifically relates to a composite fabric laminating device and a laminating method thereof. Background Art

[0002] A composite fabric refers to a new type of fabric formed by combining two or more materials with different characteristics through adhesives, hot pressing or other processes, which combines the advantages of each layer of materials and is widely used in the fields of clothing, medical treatment, automobiles, home furnishing, etc.;

[0003] The laminating device is the core equipment in the preparation process of composite fabrics, mainly composed of an unwinding system, a coating unit, a drying oven, a laminating roller and a winding system, and realizes an efficient and accurate laminating process through the cooperation of the above structures;

[0004] Since the composite fabric is transmitted through the laminating roller before and after lamination, and the pressure of the laminating roller on the composite fabric after coating may cause some glue inside to overflow from the edge, forming hard glue marks, which will not only affect the subsequent sewing process, but also reduce the aesthetics of the product. Summary of the Invention

[0005] The purpose of the present invention is to provide a composite fabric laminating device and a laminating method thereof to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A composite fabric laminating device, including a base, on the top of the base, there are installed an unwinding structure, a glue coating structure, a transmission structure, a drying oven and a winding structure. On one side of the drying oven, there are provided two guiding rollers, and at both ends of the two guiding rollers, there are provided fixing plates, the fixing plates are fixedly installed on the top of the base, and on one side of the two fixing plates, there is a cutting component;

[0007] The cutting component includes a mounting seat arranged on one side of the fixing plate, inside the mounting seat, there are installed two limiting seats, inside both of the two limiting seats, there are installed cutting knives, inside the inner walls of the two cutting knives, there are embedded connecting plates, both of the two connecting plates are fixedly installed on the outer wall of a rotating shaft, the rotating shaft is rotatably installed on the top of the mounting seat, and at one end of the rotating shaft, there is installed a motor, the motor is arranged inside the mounting seat.

[0008] As a further technical solution of the present invention, one side of the mounting seat is fixedly connected with a slider, there are two sliders symmetrically arranged, both of the two sliders are slidably installed inside the fixing plate, and inside one of the sliders, there is a threaded connection with a first threaded rod, and at the top of the first threaded rod, there is fixedly installed a first adjusting block.

[0009] As a further technical solution of the present invention, the internal threads of the two limit seats are connected with a second threaded rod, the second threaded rod is rotatably installed inside the mounting seat, one end of the second threaded rod is fixedly connected with a second adjustment block, and the second adjustment block is arranged on one side of the mounting seat.

[0010] As a further technical solution of the present invention, the connecting plate is slidably connected to the cutter.

[0011] As a further technical solution of the present invention, the limit seat is rotationally connected to the rotating shaft, and the connecting plate is slidingly connected to the limit seat.

[0012] As a further technical solution of the present invention, a reciprocating screw is arranged below the rotating shaft, and the reciprocating screw is rotatably mounted inside the mounting seat. The reciprocating screw and the rotating shaft are connected through a pulley group. Both ends of the reciprocating screw are threadedly connected with piston rods, and one end of the two piston rods is fixedly mounted with a piston head. The two piston heads are slidably mounted on the inner wall of the slide groove, and the slide groove is opened inside the mounting seat. The first connecting pipe and the second connecting pipe are respectively arranged on both sides of the two slide grooves.

[0013] As a further technical solution of the present invention, the first connecting pipe and the second connecting pipe are respectively arranged on both sides of the cutter.

[0014] As a further technical solution of the present invention, a filter screen is arranged on one side of the second connecting pipe close to the cutter, and the filter screens are evenly distributed.

[0015] As a further technical solution of the present invention, a material storage box is slidably installed inside the mounting seat, and the material storage box is arranged below the second connecting pipe.

[0016] A bonding method of a composite fabric bonding device comprises the following steps:

[0017] S1: Before processing, the first threaded rod is driven to rotate by rotating the slider, the rotation of the first threaded rod drives the movement of the slider, the movement of the slider drives the movement of the mounting seat, the movement of the mounting seat drives the two cutters to move up and down, and the distance between the cutters and the fabric is changed, so as to make appropriate adjustments according to the thickness and elasticity of the fabric;

[0018] S2: Before processing, the second threaded rod is driven to rotate by rotating the second adjusting block, and the rotation of the second threaded rod drives the two limit seats to move relative to each other, and the movement of the limit seats drives the movement of the cutters to adjust the distance between the two cutters, thereby changing the cutting width to cut pieces of different widths, and flexibly adapting to the needs of multiple specifications;

[0019] S3: During processing, the laminated fabric is dried in a drying oven and then transported between two guiding rollers and finally wound onto the outer wall of the winding structure. Meanwhile, the PLC controls the motor to start. When the motor starts, it drives the rotating shaft to rotate. The rotation of the rotating shaft drives the rotation of the connecting plate, and the rotation of the connecting plate drives the rotation of the cutting knives, causing the two cutting knives to rotate synchronously to cut both sides of the fabric.

[0020] S4: At the same time, the rotation of the rotating shaft drives the reciprocating screw rod to rotate through the pulley group drive. The rotation of the reciprocating screw rod drives the movement of the piston rod, and the movement of the piston rod drives the piston head to reciprocate inside the chute. A negative pressure is generated on one side of the cutting knife through the air inlet pipe on the side wall of the first connecting pipe to suck away the chips and keep the cutting knife clean.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. Through the setting of the cutting component in the present invention, when the composite fabric is laminated and processed, the laminated fabric is dried in a drying oven and then transported between two guiding rollers and finally wound onto the outer wall of the winding structure. Meanwhile, the PLC controls the motor to start. When the motor starts, it drives the rotating shaft to rotate. The rotation of the rotating shaft drives the rotation of the connecting plate, and the rotation of the connecting plate drives the rotation of the cutting knives, causing the two cutting knives to rotate synchronously to cut both sides of the fabric, preventing the glue inside the fabric from overflowing at the edge due to the pressure of the composite roller after coating, forming hard glue marks, thus avoiding problems that affect the subsequent sewing process and reduce the aesthetic appearance of the product. By cutting both sides of the fabric, the processing quality of the composite fabric can be improved.

[0023] 2. Through the lateral movement of the cutting knife, before processing, by rotating the slider to drive the rotation of the first threaded rod, the rotation of the first threaded rod drives the movement of the slider, the movement of the slider drives the movement of the mounting seat, and the movement of the mounting seat drives the two cutting knives to move up and down, changing the distance between the cutting knife and the fabric, so as to make appropriate adjustments according to the thickness and elasticity of the fabric to ensure the cutting quality and help improve the yield rate.

[0024] 3. By sucking dust on one side of the cutting knife in the present invention, during processing, the rotation of the rotating shaft drives the reciprocating screw rod to rotate through the pulley group drive. The rotation of the reciprocating screw rod drives the movement of the piston rod, and the movement of the piston rod drives the piston head to reciprocate inside the chute. A negative pressure is generated on one side of the cutting knife through the air inlet pipe on the side wall of the first connecting pipe to suck away the chips and keep the cutting knife clean. Description of the Drawings

[0025] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 is a schematic diagram of the structure at the fixed plate and the mounting seat of the present invention;

[0027] Figure 3Schematic cross-sectional view of the structure at the fixing plate and the mounting seat of the present invention;

[0028] Figure 4 For the present invention Figure 3 Enlarged schematic view of the structure at position A in;

[0029] Figure 5 Schematic cross-sectional view of the structure at the mounting seat of the present invention;

[0030] Figure 6 For the present invention Figure 5 Enlarged schematic view of the structure at position B in;

[0031] Figure 7 Schematic view of the structure at the rotating shaft and the second threaded rod of the present invention.

[0032] In the figure: 1, base; 2, unwinding structure; 3, glue coating structure; 4, transmission structure; 5, drying oven; 6, winding structure; 7, fixing plate; 8, guide roller; 9, mounting seat; 10, limit seat; 11, cutter; 12, rotating shaft; 13, motor; 14, slider; 15, first threaded rod; 16, first adjusting block; 17, second threaded rod; 18, second adjusting block; 19, connecting plate; 20, pulley group; 21, reciprocating lead screw; 22, piston rod; 23, piston head; 24, chute; 25, first connecting pipe; 26, second connecting pipe; 27, filter screen; 28, storage box. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0034] As Figures 1 to 7 shown, in the embodiment of the present invention, a composite fabric laminating device includes a base 1, and an unwinding structure 2, a glue coating structure 3, a transmission structure 4, a drying oven 5, and a winding structure 6 are installed on the top of the base 1. Two guide rollers 8 are arranged on one side of the drying oven 5. Fixing plates 7 are arranged at both ends of the two guide rollers 8. The fixing plates 7 are fixedly installed on the top of the base 1. A cutting assembly is arranged on one side of the two fixing plates 7;

[0035] The cutting component includes a mounting seat 9 provided on one side of the fixed plate 7. Inside the mounting seat 9, two limiting seats 10 are installed. Inside both of the two limiting seats 10, cutting knives 11 are installed. Connecting plates 19 are embedded in the inner walls of both of the two cutting knives 11. Both of the two connecting plates 19 are fixedly installed on the outer wall of the rotating shaft 12. The rotating shaft 12 is rotatably installed at the top of the mounting seat 9. One end of the rotating shaft 12 is equipped with a motor 13, and the motor 13 is arranged inside the mounting seat 9.

[0036] The existing CN218308881U discloses a laminating machine for composite fabric processing. The glue - applying structure 3 proposed in this application document is disclosed in this patent, and these technical means will not be elaborated one by one here;

[0037] When the composite fabric is laminated, the laminated fabric is dried by the drying box 5 and then transmitted between two guide rollers 8 and finally wound around the outer wall of the winding structure 6.

[0038] Meanwhile, the PLC is used to control the motor 13 to start. When the motor 13 starts, it drives the rotating shaft 12 to rotate. The rotation of the rotating shaft 12 drives the rotation of the connecting plate 19. The rotation of the connecting plate 19 drives the rotation of the cutting knives 11, so that the two cutting knives 11 rotate synchronously to cut both sides of the fabric, preventing the glue inside the fabric from overflowing from the edge under the pressure of the composite roller after gluing, forming hard glue marks, which may affect the subsequent sewing process and reduce the aesthetic appearance of the product. By cutting both sides of the fabric, the processing quality of the composite fabric can be improved.

[0039] As Figure 3 shown, one side of the mounting seat 9 is fixedly connected with a slider 14. There are two sliders 14 symmetrically arranged. Both of the two sliders 14 are slidably installed inside the fixed plate 7. A first threaded rod 15 is threadedly connected inside one of the sliders 14. The top of the first threaded rod 15 is fixedly installed with a first adjusting block 16.

[0040] Before processing, by rotating the slider 14 to drive the rotation of the first threaded rod 15, the rotation of the first threaded rod 15 drives the movement of the slider 14. The movement of the slider 14 drives the movement of the mounting seat 9. The movement of the mounting seat 9 drives the two cutting knives 11 to move up and down, changing the distance between the cutting knives 11 and the fabric, so as to make appropriate adjustments according to the thickness and elasticity of the fabric, ensuring the cutting quality and helping to improve the yield rate.

[0041] As Figure 7 shown, a second threaded rod 17 is threadedly connected inside both of the two limiting seats 10. The second threaded rod 17 is rotatably installed inside the mounting seat 9. One end of the second threaded rod 17 is fixedly connected with a second adjusting block 18, and the second adjusting block 18 is arranged on one side of the mounting seat 9.

[0042] The outer wall of the second threaded rod 17 is provided with two threads, which are provided in opposite directions and are used to make the two limit seats 10 move relative to each other;

[0043] Before processing, the second threaded rod 17 is driven to rotate by rotating the second adjusting block 18. The rotation of the second threaded rod 17 drives the two limit seats 10 to move relative to each other. The movement of the limit seats 10 drives the movement of the cutter 11, and the distance between the two cutters 11 is adjusted, thereby changing the cutting width to cut out pieces of different widths, flexibly adapting to the needs of multiple specifications.

[0044] like Figure 7 As shown, the connecting plate 19 and the cutter 11 are slidably connected.

[0045] Ensure the stable connection of the cutter 11 after lateral adjustment.

[0046] like Figure 7 As shown, the limiting seat 10 is rotationally connected to the rotating shaft 12 , and the connecting plate 19 is slidingly connected to the limiting seat 10 .

[0047] like Figure 3 and Figure 4 As shown, a reciprocating screw 21 is arranged below the rotating shaft 12, and the reciprocating screw 21 is rotatably installed inside the mounting seat 9. The reciprocating screw 21 and the rotating shaft 12 are connected by a pulley set 20. Both ends of the reciprocating screw 21 are threadedly connected with piston rods 22, and one end of the two piston rods 22 is fixedly installed with piston heads 23. The two piston heads 23 are slidably installed on the inner wall of the slide groove 24. The slide groove 24 is opened inside the mounting seat 9, and the two sides of the two slide grooves 24 are respectively provided with a first connecting pipe 25 and a second connecting pipe 26.

[0048] The side wall of the first connecting pipe 25 is evenly installed with an air inlet pipe, and the side wall of the second connecting pipe 26 is evenly installed with an air outlet pipe;

[0049] The outer walls of the first connecting pipe 25 and the second connecting pipe 26 are both installed with a one-way valve, so that the first connecting pipe 25 can take in air and the second connecting pipe 26 can take out air;

[0050] During processing, the rotation of the rotating shaft 12 drives the reciprocating screw 21 to rotate through the pulley group 20, and the rotation of the reciprocating screw 21 drives the movement of the piston rod 22. The movement of the piston rod 22 drives the piston head 23 to reciprocate inside the slide groove 24, and the air intake pipe on the side wall of the first connecting pipe 25 generates negative pressure on one side of the cutter 11, sucking away the chips and keeping the cutter 11 clean.

[0051] like Figure 5 As shown, the first connecting pipe 25 and the second connecting pipe 26 are respectively arranged on both sides of the cutter 11.

[0052] During dust collection, gas enters the chute 24 from the first connecting pipe 25 and then discharges from the chute 24 through the second connecting pipe 26, so that one side of the device sucks dust and the other side discharges air, reducing the frictional heat generated when the cutting knife 11 works.

[0053] As Figure 5 and Figure 6 shown, a filter screen 27 is arranged on the side of the second connecting pipe 26 close to the cutting knife 11, and the filter screens 27 are evenly distributed.

[0054] Filtering the discharged gas through the filter screen 27 helps to improve the air quality of the working environment.

[0055] As Figure 6 shown, a storage box 28 is slidably installed inside the mounting seat 9, and the storage box 28 is arranged below the second connecting pipe 26.

[0056] Storing the inhaled impurities through the storage box 28 facilitates subsequent unified treatment.

[0057] A laminating method for a composite fabric laminating device includes the following steps:

[0058] S1: Before processing, rotate the slider 14 to drive the rotation of the first threaded rod 15. The rotation of the first threaded rod 15 drives the movement of the slider 14. The movement of the slider 14 drives the movement of the mounting seat 9. The movement of the mounting seat 9 drives the up and down movement of the two cutting knives 11, changing the distance between the cutting knives 11 and the fabric, so as to make appropriate adjustments according to the thickness and elasticity of the fabric;

[0059] S2: Before processing, rotate the second adjusting block 18 to drive the rotation of the second threaded rod 17. The rotation of the second threaded rod 17 drives the relative movement of the two limit seats 10. The movement of the limit seats 10 drives the movement of the cutting knives 11, adjusting the distance between the two cutting knives 11, thereby changing the cutting width to cut out cut pieces of different widths, and flexibly adapting to the requirements of multiple specifications;

[0060] S3: During processing, the laminated fabric is dried by the drying box 5 and then transmitted between the two guide rollers 8 and finally wound onto the outer wall of the winding structure 6. At the same time, start the motor 13 through PLC control. When the motor 13 starts, it drives the rotation of the rotating shaft 12. The rotation of the rotating shaft 12 drives the rotation of the connecting plate 19. The rotation of the connecting plate 19 drives the rotation of the cutting knives 11, so that the two cutting knives 11 rotate synchronously to cut both sides of the fabric;

[0061] S4: At the same time, the rotation of the rotating shaft 12 drives the rotation of the reciprocating screw rod 21 through the pulley group 20. The rotation of the reciprocating screw rod 21 drives the movement of the piston rod 22. The movement of the piston rod 22 drives the piston head 23 to reciprocate inside the chute 24, generating negative pressure on one side of the cutting knife 11 through the air inlet pipe on the side wall of the first connecting pipe 25, sucking away the chips and keeping the cutting knife 11 clean.

[0062] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite fabric laminating device, comprising a base (1), characterized in that: The top of the base (1) is equipped with an unwinding structure (2), a gluing structure (3), a transmission structure (4), a drying box (5) and a winding structure (6); one side of the drying box (5) is equipped with two guide rollers (8); both ends of the two guide rollers (8) are equipped with fixing plates (7); the fixing plates (7) are fixedly installed on the top of the base (1); and one side of the two fixing plates (7) is equipped with a cutting assembly; The cutting assembly comprises a mounting seat (9) arranged on one side of a fixed plate (7), two limiting seats (10) are installed inside the mounting seat (9), a cutter (11) is installed inside the two limiting seats (10), a connecting plate (19) is embedded in the inner walls of the two cutters (11), and the two connecting plates (19) are fixedly mounted on the outer wall of a rotating shaft (12), the rotating shaft (12) is rotatably mounted on the top end of the mounting seat (9), a motor (13) is installed at one end of the rotating shaft (12), and the motor (13) is arranged inside the mounting seat (9).

2. A composite fabric laminating device according to claim 1, characterized in that: A slider (14) is fixedly connected to one side of the mounting seat (9), and two sliders (14) are symmetrically arranged. Both sliders (14) are slidably mounted inside the fixing plate (7), and the internal thread of one of the sliders (14) is connected to a first threaded rod (15), and a first adjustment block (16) is fixedly mounted on the top end of the first threaded rod (15).

3. The composite fabric laminating device according to claim 1, characterized in that: The internal threads of the two limit seats (10) are connected with a second threaded rod (17), the second threaded rod (17) is rotatably mounted inside the mounting seat (9), one end of the second threaded rod (17) is fixedly connected with a second adjustment block (18), and the second adjustment block (18) is arranged on one side of the mounting seat (9).

4. The composite fabric laminating device according to claim 1, characterized in that: The connecting plate (19) is slidably connected to the cutting knife (11).

5. The composite fabric laminating device according to claim 1, characterized in that: The limiting seat (10) is rotationally connected to the rotating shaft (12), and the connecting plate (19) is slidingly connected to the limiting seat (10).

6. The composite fabric laminating device according to claim 1, characterized in that: A reciprocating screw (21) is arranged below the rotating shaft (12). The reciprocating screw (21) is rotatably mounted inside the mounting seat (9). The reciprocating screw (21) is connected to the rotating shaft (12) by a pulley group (20). Both ends of the reciprocating screw (21) are threadedly connected with piston rods (22). One end of the two piston rods (22) is fixedly mounted with a piston head (23). The two piston heads (23) are slidably mounted on the inner wall of a slide groove (24). The slide groove (24) is opened inside the mounting seat (9). Both sides of the two slide grooves (24) are respectively provided with a first connecting pipe (25) and a second connecting pipe (26).

7. A composite fabric laminating device according to claim 6, characterized in that: The first connecting pipe (25) and the second connecting pipe (26) are respectively arranged on both sides of the cutter (11).

8. The composite fabric laminating device according to claim 6, characterized in that: A filter screen (27) is provided on one side of the second connecting pipe (26) close to the cutter (11), and the filter screens (27) are evenly distributed.

9. The composite fabric laminating device according to claim 1, characterized in that: A material storage box (28) is slidably mounted inside the mounting seat (9), and the material storage box (28) is arranged below the second connecting pipe (26).

10. A bonding method of a composite fabric bonding device, the method being applicable to the composite fabric bonding device according to claims 1 to 9, characterized in that: The following steps are involved: S1: Before processing, the first threaded rod (15) is driven to rotate by rotating the slider (14), the rotation of the first threaded rod (15) drives the slider (14) to move, the movement of the slider (14) drives the movement of the mounting seat (9), the movement of the mounting seat (9) drives the two cutters (11) to move up and down, and the distance between the cutters (11) and the fabric is changed, so as to make appropriate adjustments according to the thickness and elasticity of the fabric; S2: Before processing, the second threaded rod (17) is driven to rotate by rotating the second adjusting block (18), and the rotation of the second threaded rod (17) drives the two limit seats (10) to move relative to each other, and the movement of the limit seats (10) drives the movement of the cutter (11), and the distance between the two cutters (11) is adjusted, thereby changing the cutting width to cut pieces of different widths, and flexibly adapting to the needs of multiple specifications; S3: During processing, the laminated fabric is dried in a drying box (5) and then transferred between two guide rollers (8) to be finally rolled up to the outer wall of the rolling structure (6). At the same time, the motor (13) is started by PLC control. When the motor (13) is started, the rotating shaft (12) is driven to rotate. The rotation of the rotating shaft (12) drives the connecting plate (19) to rotate. The rotation of the connecting plate (19) drives the cutting knife (11) to rotate, so that the two cutting knives (11) rotate synchronously to cut the two sides of the fabric. S4: At the same time, the rotation of the rotating shaft (12) drives the reciprocating screw (21) to rotate through the pulley group (20), and the rotation of the reciprocating screw (21) drives the movement of the piston rod (22). The movement of the piston rod (22) drives the piston head (23) to move back and forth inside the slide groove (24), and a negative pressure is generated on one side of the cutter (11) through the air intake pipe on the side wall of the first connecting pipe (25), so that the chips are sucked away and the cutter (11) is kept clean.

Citation Information

Patent Citations

  • Laminating machine for processing composite fabric

    CN218308881U