Needle machine cloth outlet roller transmission mechanism

Abstract

The utility model provides a needling machine cloth outlet roller transmission mechanism which comprises a needling machine body, a cloth outlet is formed in the right end of the needling machine body, a first cloth outlet roller is rotationally connected into the cloth outlet, and a first rotating shaft and a second rotating shaft are sequentially rotationally connected to the upper right portion of the position, rotationally connected with the first cloth outlet roller, of the right side wall of the cloth outlet from inside to outside. The first rotating shaft and the second rotating shaft are located on the same horizontal plane, a first swing arm is rotationally connected to the part, located in the cloth outlet, of the first rotating shaft, and a second swing arm is rotationally connected to the part, located in the cloth outlet, of the second rotating shaft. The pressure between the cloth discharge rollers can be adjusted according to different specifications of cloth produced by the needling machine body, so that the friction force of cloth transmission of the cloth discharge rollers is adjusted, the cloth can be prevented from generating overlarge drafting force in the needling process, the flatness and the uniformity of the cloth are effectively improved, and the elongation of non-woven fabric can be effectively and controllably adjusted.

Description

Technical Field

[0001] The utility model relates to a cloth-discharging roller transmission mechanism for a needle loom, belonging to the technical field of a needle looms. Background Art

[0002] A needleloom is a machine used to produce fabrics and nonwovens, primarily in the textile, apparel, automotive interior, and medical industries. It uses sharp needles to pierce and entangle fibers, bonding them together to form a strong fabric or material. The machine's operating principle relies primarily on mechanical motion and the needling action, enabling fast and efficient production.

[0003] The conventional delivery roller transmission mechanism of a needle loom utilizes a pair of upper and lower delivery rollers. During fabric delivery, the pressure between the upper and lower delivery rollers guides the fabric. However, due to the varying weights and materials of the fabric, excessive drafting force may occur during this process, impacting the flatness, uniformity, and elongation (elongation is a key physical property of needle-punched nonwovens) of the nonwovens produced by the needle loom, resulting in substandard fabric. Therefore, the present invention provides a delivery roller transmission mechanism for a needle loom. Utility Model Content

[0004] Based on the above background, the purpose of the present invention is to provide a cloth outlet roller transmission mechanism for a needle loom to solve the problems in the background technology.

[0005] The utility model provides the following technical solutions:

[0006] A cloth-discharging roller transmission mechanism for a needle loom machine comprises a needle loom body, the right end of the needle loom body being a cloth-discharging port, a first cloth-discharging roller being rotatably connected in the cloth-discharging port, a first rotating shaft and a second rotating shaft being rotatably connected from the inside to the outside in sequence at the upper right upper side of the right side wall of the cloth-discharging port and the rotation connection portion of the first cloth-discharging roller, the first rotating shaft and the second rotating shaft being on the same horizontal plane, the first rotating shaft being rotatably connected to a first swing arm on the inner part of the cloth-discharging port, the second rotating shaft being rotatably connected to a second swing arm on the inner part of the cloth-discharging port, the upper left corner of the rotation connection portion of the left inner wall of the cloth-discharging port and the first cloth-discharging roller being rotatably connected from the inside to the outside The third swing arm and the fourth swing arm are sequentially arranged on the outside, the first swing arm and the third swing arm are arranged opposite to each other, the second swing arm and the fourth swing arm are arranged opposite to each other, the second cloth discharge roller is rotatably connected to one end of the first swing arm and the third swing arm away from the rotation connection part with the inner wall of the cloth discharge port, the third cloth discharge roller is rotatably connected to one end of the second swing arm and the fourth swing arm away from the rotation connection part with the inner wall of the cloth discharge port, the first swing arm and the second swing arm and the third swing arm and the fourth swing arm are all provided with a counterweight mechanism at the bottom, and a lifting mechanism is rotatably connected to the position below the second cloth discharge roller and the third cloth discharge roller on the inner walls on both sides of the cloth discharge port.

[0007] Preferably, the counterweight mechanism includes a first connecting block and a second connecting block, the first connecting block is fixedly connected to the lower end of the first swing arm, the second connecting block is fixedly connected to the lower end of the second swing arm, the first connecting block and the second connecting block are connected by a pull rope, and a counterweight steel cable is fixedly connected to the second connecting block, and a group of auxiliary wheels arranged up and down are provided on the inner walls on both sides of the cloth outlet, the counterweight steel cable is staggered around the auxiliary wheels at one end away from the second connecting block, and a number of counterweight plates are placed on the end of the counterweight steel cable that passes around the auxiliary wheels.

[0008] Preferably, the lifting mechanism includes an articulated seat and a cylinder, the articulated seat is hinged on the inner wall of the cloth outlet below the second cloth outlet roller, the cylinder is fixedly connected to the right end face of the articulated seat, and the output end of the cylinder is fixedly connected to a butt joint, which abuts against the second connecting block.

[0009] Preferably, the second cloth-discharging roller is connected to the first rotating shaft via a first transmission mechanism, and the first transmission mechanism includes a group of first sprockets and a first chain, and a group of first sprockets are respectively mounted on the first rotating shaft close to the first rocking arm and the right end roller shaft of the second cloth-discharging roller, and the first chain is mounted on a group of first sprockets.

[0010] Preferably, the third cloth-out roller is connected to the second rotating shaft via a second transmission mechanism, and the second transmission mechanism includes a group of second sprockets and a second chain, and a group of second sprockets are respectively mounted on the second rotating shaft close to the second rocking arm position and the right end roller shaft of the third cloth-out roller, and the second chain is mounted on a group of second sprockets.

[0011] Preferably, the first rotating shaft and the second rotating shaft both pass through the right inner wall of the cloth outlet, and both are provided with gears on the upper part of the right inner wall of the cloth outlet, and the gears are meshed with each other.

[0012] Preferably, a reduction motor is installed on the front end surface of the right side of the needling machine body, a third sprocket is installed on the output shaft of the reduction motor, a fourth sprocket is installed on the outside of the gears on the first rotating shaft and the second rotating shaft, the right end roller shaft of the first cloth outlet roller passes through the inner wall on the right side of the cloth outlet, and the first cloth outlet roller passes through the inner wall on the right side of the cloth outlet and is sleeved with a fifth sprocket, a sixth sprocket is rotatably connected to the needling machine body between the fifth sprocket and the fourth sprocket on the first rotating shaft, and the third sprocket, the fourth sprocket, the fifth sprocket and the sixth sprocket are connected through a third chain transmission.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] The utility model discloses a cloth-discharging roller transmission mechanism for a needle loom, wherein the second cloth-discharging roller is rotatably connected between a first swing arm and a third swing arm, and the third cloth-discharging roller is rotatably connected between the second cloth-discharging roller. By utilizing the provided lifting mechanism and the matching mechanism, when in use, the cylinder takes in air and its output end extends out, and the second connecting block can be pushed outwards by the abutment between the hinged joint and the second connecting block, thereby driving the second swing arm and the fourth swing arm to swing outwards first. When the second swing arm and the fourth swing arm are swung until the pull rope is fully stretched, they can be driven to swing the first swing arm and the third swing arm outwards, thereby expanding the distance between the first cloth-discharging roller, the second cloth-discharging roller and the third cloth-discharging roller. When the distance between the first cloth-discharging roller, the second cloth-discharging roller and the third cloth-discharging roller needs to be reduced, the cylinder retracts, driving the hinged joint to The joint returns to its original position, and under the pull of the counterweight mechanism, the second swing arm and the fourth swing arm return to their original position, driving the first swing arm and the third swing arm to return to their original position, thereby shortening the distance between the first cloth-discharging roller, the second cloth-discharging roller and the third cloth-discharging roller. When the cloth produced by the needling machine body passes through the first cloth-discharging roller, the second cloth-discharging roller and the third cloth-discharging roller in a horizontal "S" shape, the friction between the cloth-discharging rollers can be adjusted according to the different cloths produced by the needling machine body, thereby changing the tension of the cloth driven by the cloth-discharging rollers, ensuring the friction between the cloth-discharging rollers, preventing the cloth from generating excessive drafting force during the needling process, effectively improving the flatness and uniformity of the cloth, and effectively and controllably adjusting the elongation of the non-woven fabric, thereby reducing the damage rate of the cloth.

[0015] The utility model provides a cloth-discharging roller transmission mechanism for a needle loom, and by providing a counterweight mechanism, when adjusting the friction between the cloth-discharging rollers, the counterweight plate gives the second swing arm and the fourth swing arm a downward gravity, so as to prevent the hinge head and the second connecting block from being separated from the offset relationship; when reducing the distance between the cloth-discharging rollers, a force is provided for returning the second swing arm and the fourth swing arm, so as to prevent the hinge head and the second connecting block from being separated from the offset; further, the number of counterweight plates can be controlled according to the quality of different cloths, so as to ensure that the friction force of the cloth-discharging roller transmission mechanism meets the friction force required by the cloth during production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This utility model Figure 1A magnified schematic diagram of the structure of part A in the middle;

[0019] Figure 3 This is a schematic structural diagram of the right side wall of the cloth outlet of the present invention and the components installed thereon;

[0020] Figure 4 It is a right side structural schematic diagram of the present utility model.

[0021] In the figure: 1. acupuncture machine body; 2. cloth outlet; 3. first cloth outlet roller; 4. first rotating shaft; 5. second rotating shaft; 6. first swing arm; 7. second swing arm; 8. third swing arm; 9. fourth swing arm; 10. second cloth outlet roller; 11. third cloth outlet roller; 12. first connecting block; 13. second connecting block; 14. pull rope; 15. counterweight cable; 16. auxiliary wheel; 17. counterweight plate; 18. connecting seat; 19. cylinder; 20. abutment; 21. first sprocket; 22. first chain; 23. second sprocket; 24. second chain; 25. gear; 26. reduction motor; 27. third sprocket; 28. fourth sprocket; 29. ​​fifth sprocket; 30. sixth sprocket. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the technical solution of the present invention through specific embodiments and in conjunction with the accompanying drawings. It should be understood that the implementation of the present invention is not limited to the following embodiments, and any form of modification and / or change made to the present invention will fall within the scope of protection of the present invention.

[0023] In this utility model, unless otherwise specified, all parts and percentages are by weight. The equipment and raw materials used are commercially available or commonly used in the art. The methods in the following embodiments, unless otherwise specified, are conventional methods in the art. The components or equipment in the following embodiments, unless otherwise specified, are all common standard parts or components known to those skilled in the art. Their structures and principles are known to those skilled in the art through technical manuals or routine experimental methods.

[0024] The following detailed description of the embodiments of the present invention is made in conjunction with the accompanying drawings. In the following detailed description, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present invention. However, one or more embodiments can also be implemented by those skilled in the art without these specific details.

[0025] like Figure 1-Figure 4As shown, a cloth discharge roller transmission mechanism of a needle loom machine comprises a needle loom body 1, the right end of the needle loom body 1 is a cloth discharge port 2, a first cloth discharge roller 3 is rotatably connected in the cloth discharge port 2, a first rotating shaft 4 and a second rotating shaft 5 are rotatably connected in sequence from the inside to the outside at the upper right side wall of the cloth discharge port 2 and the rotation connection part of the first cloth discharge roller 3, the first rotating shaft 4 and the second rotating shaft 5 are on the same horizontal plane, the first rotating shaft 4 is rotatably connected to the first swing arm 6 on the inner part of the cloth discharge port 2, the second rotating shaft 5 is rotatably connected to the second swing arm 7 on the inner part of the cloth discharge port 2, and the upper left corner position of the rotation connection part of the left inner wall of the cloth discharge port 2 and the first cloth discharge roller 3 is rotatably connected in sequence from the inside to the outside. A third swing arm 8 and a fourth swing arm 9 are arranged in sequence, the first swing arm 6 and the third swing arm 8 are arranged opposite to each other, the second swing arm 7 and the fourth swing arm 9 are arranged opposite to each other, the second cloth discharge roller 10 is rotatably connected to one end of the first swing arm 6 and the third swing arm 8, away from the rotation connection part with the inner wall of the cloth discharge port 2, the third cloth discharge roller 11 is rotatably connected to one end of the second swing arm 7 and the fourth swing arm 9, away from the rotation connection part with the inner wall of the cloth discharge port 2, a counterweight mechanism is provided at the bottom of the first swing arm 6 and the second swing arm 7 and the third swing arm 8 and the fourth swing arm 9, and a lifting mechanism is rotatably connected to the position below the second cloth discharge roller 10 and the third cloth discharge roller 11 on the inner walls on both sides of the cloth discharge port 2.

[0026] In the above technical solution, the second cloth-discharging roller 10 is rotatably connected between the first swing arm 6 and the third swing arm 8, and the third cloth-discharging roller 11 is rotatably connected between the second cloth-discharging roller 10. By utilizing the provided lifting mechanism and the matching mechanism, when in use, the cylinder 19 takes in air and its output end extends out, and the second connecting block 13 is pushed outward by the resistance between the hinged joint and the second connecting block 13, thereby driving the second swing arm 7 and the fourth swing arm 9 to swing outward first. When the second swing arm 7 and the fourth swing arm 9 are swung until the pull rope 14 is fully stretched, they can be driven to swing the first swing arm 6 and the third swing arm 8 outward, thereby expanding the distance between the first cloth-discharging roller 3, the second cloth-discharging roller 10 and the third cloth-discharging roller 11. When it is necessary to reduce the distance between the first cloth-discharging roller 3, the second cloth-discharging roller 10 and the third cloth-discharging roller 11, the cylinder 19 The first and third swing arms are driven by the counterweight mechanism to retract, and the second swing arm and the fourth swing arm are driven to retract, thereby driving the first and third swing arms to retract, thereby shortening the distance between the first cloth-discharging roller 3, the second cloth-discharging roller 10 and the third cloth-discharging roller 11. When the cloth produced by the needling machine body 1 passes through the first cloth-discharging roller 3, the second cloth-discharging roller 10 and the third cloth-discharging roller 11 in a horizontal "S" shape, the friction between the cloth-discharging rollers can be adjusted according to the cloth produced by the needling machine body 1, thereby changing the tension of the cloth driven by the cloth-discharging rollers, ensuring the friction between the cloth-discharging rollers, preventing the cloth from generating excessive drafting force during the needling process, effectively improving the flatness and uniformity of the cloth, and effectively and controllably adjusting the elongation of the non-woven fabric, thereby reducing the damage rate of the cloth.

[0027] In the present utility model, the counterweight mechanism includes a first connecting block 12 and a second connecting block 13. The first connecting block 12 is fixedly connected to the lower end of the first swing arm 6, and the second connecting block 13 is fixedly connected to the lower end of the second swing arm 7. The first connecting block 12 and the second connecting block 13 are connected by a pull rope 14. A counterweight steel cable 15 is fixedly connected to the second connecting block 13. A group of auxiliary wheels 16 arranged up and down are provided on the inner walls on both sides of the cloth outlet 2. The counterweight steel cable 15 is staggered around the auxiliary wheel 16 at one end away from the second connecting block 13, and a number of counterweight plates 17 are placed on the end of the counterweight steel cable 15 that passes around the auxiliary wheel 16.

[0028] In the above technical solution, by setting a counterweight mechanism, when the distance between the cloth discharge rollers is increased, the counterweight plate 17 gives the second rocking arm 7 and the fourth rocking arm a downward gravity, which can prevent the hinge head and the second connecting block 13 from being separated from the offset relationship. When the distance between the cloth discharge rollers is reduced, a force is provided for the second rocking arm 7 and the fourth rocking arm to return, preventing the hinge head and the second connecting block 13 from being separated from the offset. Furthermore, the number of counterweight plates 17 can be controlled according to the quality of different cloths to ensure that the friction force of the cloth discharge roller transmission mechanism meets the friction force required by the cloth during production.

[0029] In the present utility model, the lifting mechanism includes an articulated seat 18 and a cylinder 19. The articulated seat 18 is hinged on the inner wall of the cloth outlet 2 below the second cloth outlet roller 10. The cylinder 19 is fixedly connected to the right end face of the articulated seat 18. The output end of the cylinder 19 is fixedly connected to a butt joint 20, which abuts against the second connecting block 13.

[0030] In the above technical solution, by setting up a lifting mechanism, the cylinder 19 can be started to move the second connecting block 13 through the hinge joint, and then drive the second rocker arm 7 and the fourth rocker arm to swing, providing power for expanding the distance between each cloth outlet roller.

[0031] In the utility model, the second cloth-out roller 10 is connected to the first rotating shaft 4 through a first transmission mechanism. The first transmission mechanism includes a group of first sprockets 21 and a first chain 22. A group of first sprockets 21 are respectively mounted on the first rotating shaft 4 close to the first rocking arm 6 and the right end roller shaft of the second cloth-out roller 10, and the first chain 22 is mounted on a group of first sprockets 21.

[0032] In the above technical solution, by providing the first transmission mechanism, when the first rotating shaft 4 starts to rotate, the transmission cooperation between the first chain 22 and a set of first sprockets 21 can be used to drive the second cloth outlet roller 10 to rotate.

[0033] In the present utility model, the third cloth-out roller 11 is connected to the second rotating shaft 5 through a second transmission mechanism. The second transmission mechanism includes a group of second sprockets 23 and a second chain 24. A group of second sprockets 23 are respectively mounted on the second rotating shaft 5 close to the second rocking arm 7 and the right end roller shaft of the third cloth-out roller 11, and the second chain 24 is mounted on a group of second sprockets 23.

[0034] In the above technical solution, by providing a second transmission mechanism, when the second rotating shaft 5 starts to rotate, the third cloth outlet roller 11 can be driven to rotate by the transmission cooperation between the second chain 24 and a set of second sprockets 23 .

[0035] In the present invention, the first rotating shaft 4 and the second rotating shaft 5 both pass through the right inner wall of the cloth outlet 2, and both are sleeved with gears 25 on the upper part of the right inner wall of the cloth outlet 2, and the gears 25 are meshed with each other.

[0036] In the above technical solution, by sleeved gears 25 on the first rotating shaft 4 and the second rotating shaft 5, during the swinging process of the first swing arm 6 and the second swing arm 7, the gears 25 rotate and engage with each other, ensuring the normal swinging of the entire mechanism.

[0037] In the present utility model, a reduction motor 26 is installed on the front end surface of the right side of the needling machine body 1, and a third sprocket 27 is installed on the output shaft of the reduction motor 26. A fourth sprocket 28 is installed on the outside of the gear 25 on the first rotating shaft 4 and the second rotating shaft 5. The roller shaft at the right end of the first cloth-discharging roller 3 passes through the inner wall on the right side of the cloth-discharging opening 2, and a fifth sprocket 29 is sleeved on the part of the first cloth-discharging roller 3 that passes through the inner wall on the right side of the cloth-discharging opening 2. A sixth sprocket 30 is rotatably connected to the needling machine body 1 between the fifth sprocket 29 and the fourth sprocket 28 on the first rotating shaft 4, and the third sprocket 27, the fourth sprocket 28, the fifth sprocket 29 and the sixth sprocket 30 are connected through a third chain transmission.

[0038] In the above technical solution, a reduction motor 26 is provided, and a third sprocket 27 is installed on the output shaft of the reduction motor 26. The third sprocket 27, the fourth sprocket 28, the fifth sprocket 29 and the sixth sprocket 30 are connected together by a third chain, so that the reduction motor 26 can synchronously drive the first cloth outlet roller 3, the second cloth outlet roller 10 and the third cloth outlet roller 11.

[0039] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A cloth-discharging roller transmission mechanism for a needle loom, characterized in that: The invention comprises a needle loom body (1), wherein the right end of the needle loom body (1) is a cloth outlet (2), a first cloth outlet roller (3) is rotatably connected to the cloth outlet (2), a first rotating shaft (4) and a second rotating shaft (5) are rotatably connected from the inside to the outside at the upper right corner of the rotation connection portion of the first cloth outlet roller (3) on the right side wall of the cloth outlet (2), the first rotating shaft (4) and the second rotating shaft (5) are on the same horizontal plane, the first rotating shaft (4) is rotatably connected to the first swing arm (6) on the inner part of the cloth outlet (2), the second rotating shaft (5) is rotatably connected to the second swing arm (7) on the inner part of the cloth outlet (2), and a third swing arm ( 8) and a fourth swing arm (9), the first swing arm (6) and the third swing arm (8) are arranged opposite to each other, the second swing arm (7) and the fourth swing arm (9) are arranged opposite to each other, one end of the first swing arm (6) and the third swing arm (8) away from the rotation connection part with the inner wall of the cloth outlet (2) is rotatably connected to the second cloth outlet roller (10), and one end of the second swing arm (7) and the fourth swing arm (9) away from the rotation connection part with the inner wall of the cloth outlet (2) is rotatably connected to the third cloth outlet roller (11), the first swing arm (6) and the second swing arm (7) and the bottom of the third swing arm (8) and the fourth swing arm (9) are all provided with a counterweight mechanism, and the inner walls on both sides of the cloth outlet (2) are rotatably connected to the positions below the second cloth outlet roller (10) and the third cloth outlet roller (11).

2. The cloth-discharging roller transmission mechanism of a needle loom according to claim 1, characterized in that: The counterweight mechanism comprises a first connecting block (12) and a second connecting block (13), wherein the first connecting block (12) is fixedly connected to the lower end of the first swing arm (6), and the second connecting block (13) is fixedly connected to the lower end of the second swing arm (7). The first connecting block (12) and the second connecting block (13) are connected via a pull rope (14), and a counterweight steel cable (15) is fixedly connected to the second connecting block (13). A group of auxiliary wheels (16) arranged up and down are provided on the inner walls on both sides of the cloth outlet (2), and the counterweight steel cable (15) is staggered around the auxiliary wheels (16) at one end away from the second connecting block (13), and a plurality of counterweight plates (17) are placed on the end of the counterweight steel cable (15) that passes around the auxiliary wheels (16).

3. The cloth-discharging roller transmission mechanism of a needle loom according to claim 2, characterized in that: The lifting mechanism includes an articulated seat (18) and a cylinder (19), wherein the articulated seat (18) is articulated below the second cloth outlet roller (10) on the inner wall of the cloth outlet (2), and the cylinder (19) is fixedly connected to the right end face of the articulated seat (18). The output end of the cylinder (19) is fixedly connected to a butt joint (20), and the butt joint (20) abuts against the second connecting block (13).

4. The cloth-discharging roller transmission mechanism of a needle loom according to claim 1, characterized in that: The second cloth-discharging roller (10) is connected to the first rotating shaft (4) via a first transmission mechanism. The first transmission mechanism comprises a group of first sprockets (21) and a first chain (22). The group of first sprockets (21) are respectively sleeved on the first rotating shaft (4) near the first swing arm (6) and the right end roller shaft of the second cloth-discharging roller (10). The first chain (22) is sleeved on the group of first sprockets (21).

5. The cloth-discharging roller transmission mechanism of a needle loom according to claim 4, characterized in that: The third cloth-discharging roller (11) is connected to the second rotating shaft (5) through a second transmission mechanism, and the second transmission mechanism includes a group of second sprockets (23) and a second chain (24). The group of second sprockets (23) are respectively mounted on the second rotating shaft (5) close to the second swing arm (7) and the right end roller shaft of the third cloth-discharging roller (11), and the second chain (24) is mounted on the group of second sprockets (23).

6. The cloth-discharging roller transmission mechanism of a needle loom according to claim 5, characterized in that: The first rotating shaft (4) and the second rotating shaft (5) both pass through the right inner wall of the cloth outlet (2), and both are sleeved with gears (25) on the upper portion of the right inner wall of the cloth outlet (2), and the gears (25) are meshed with each other.

7. A cloth-discharging roller transmission mechanism for a needle loom according to claim 6, characterized in that: A reduction motor (26) is installed on the front end surface of the right side of the needle loom body (1), a third sprocket (27) is installed on the output shaft of the reduction motor (26), a fourth sprocket (28) is installed on the outer side of the gear (25) on the first rotating shaft (4) and the second rotating shaft (5), the right end roller shaft of the first cloth-discharging roller (3) passes through the right inner wall of the cloth-discharging opening (2), and a fifth sprocket (29) is sleeved on the portion of the first cloth-discharging roller (3) passing through the right inner wall of the cloth-discharging opening (2), a sixth sprocket (30) is rotatably connected to the needle loom body (1) between the fifth sprocket (29) and the fourth sprocket (28) on the first rotating shaft (4), and the third sprocket (27), the fourth sprocket (28), the fifth sprocket (29) and the sixth sprocket (30) are connected through a third chain transmission.

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