Conveying device for nylon 6 slice direct-feeding spinning production line

Abstract

The invention discloses a conveying device for a nylon 6 slice direct feeding spinning production line, and relates to the technical field of industry, the conveying device comprises a fixed cylinder, a servo motor is arranged on the surface of the fixed cylinder, and the conveying device further comprises a feeding device; the feeding barrel which moves up and down in a reciprocating mode is beneficial for improving the fluidity of the nylon 6 slices, the slices can pass through the feeding barrel more easily, resistance is reduced, the feeding barrel makes contact with the rubber rod to generate vibration, the phenomenon that the nylon 6 slices form a bridge in the feeding barrel is prevented, and the feeding barrel is convenient to use. Normal flowing of the nylon 6 slices is hindered, the unstable structure can be broken through vibration, and it is ensured that the nylon 6 slices can continuously and stably enter the subsequent processing link.

Description

Technical Field

[0001] The invention relates to the technical field of industry, in particular to a conveying device for a nylon 6 chip direct-feeding spinning production line. Background Art

[0002] Nylon 6 chip conveyor is a highly efficient and automated material conveying equipment, which is widely used in chemical fiber, plastic manufacturing and other industries. It ensures that nylon 6 chips are efficiently and cleanly conveyed to production equipment through pneumatic, mechanical or vacuum conveying. It also has drying, filtering and automatic control functions, and is an indispensable and important equipment in modern industrial production.

[0003] The patent with patent announcement number CN208916094U involves the field of industrial technology. The patent discloses a nylon 6 conveying device, including a main body, a material guide trough is provided on the main body, a purifier is provided at the material guide trough, a funnel is provided on the material guide trough, one end of the main body is connected to the speed stabilizer through a transmission coupling, the speed stabilizer is connected to the motor reducer, an intermediate bearing is provided inside the main body, the middle of the intermediate bearing is fixed to the inside of the main body through an intermediate suspension bearing, a spiral blade is provided on the intermediate bearing, a discharge port is provided at the bottom of the other end of the main body, a blocking detector is provided at the discharge port, two limit blocks are provided at each end of the main body, a shock absorbing device is provided in the middle of the main body, an anti-corrosion coating is applied to the inner side of the main body, supports are provided on both sides of the main body, a conveyor frame is provided on the support, the support is provided on the base, the base and the conveyor frame are connected through a conveyor bracket, a sensor is provided next to the conveyor bracket, an observation window is provided on the main body, pressure covers are provided at both ends of the main body, and a sealing ring is provided between the pressure cover and the main body.

[0004] In the above patent, the impact of falling materials and the vibration during operation can be absorbed, so that the operation process is smooth and not easy to deviate. However, the current equipment has the following problems: blockage may cause the pressure inside the threaded conveying mechanism to increase, so that the nylon 6 chips cannot smoothly enter the conveyor at the feed port, thereby affecting the working efficiency of the entire conveying system. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a conveying device for a nylon 6 chip direct-spinning production line, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the present invention is implemented through the following technical scheme: a conveying device for nylon 6 chips direct delivery spinning production line, comprising a fixed cylinder, a servo motor is arranged on the surface of the fixed cylinder, and also comprises a feeding device; wherein, the feeding device comprises a disc, a sliding frame, a auger piece, a U-shaped rod, a feeding port, a rubber rod, a sliding disc and a feeding barrel, wherein the disc is rotatably mounted on the surface of the fixed cylinder, the disc is transmission-connected to the output end of the servo motor through a No. 1 belt, one side of the sliding frame is slidably mounted on the surface of the disc, and the other side of the sliding frame is slidably mounted on the surface of the fixed cylinder, The auger piece is fixedly mounted on the front side of the disc, the U-shaped rod is fixedly mounted on the top of the sliding frame, the feed port is fixedly mounted on the circumferential surface of the fixed cylinder, the rubber rod is fixedly mounted on the top of the feed port, the sliding disk is slidably mounted on the circumferential surface of the rubber rod, the feeding cylinder is fixedly mounted on the inner wall of the sliding disk, and nylon 6 slices are added from the feeding cylinder. At this time, the nylon 6 slices will enter the fixed cylinder through the feed port, and will contact the rubber rod when the feeding cylinder is reset to generate vibration. A reset spring No. 1 is arranged between the sliding disk and the rubber rod, and the sliding disk is reset by the setting of the reset spring No. 1; The output port of the fixed cylinder is provided with an output device for quantitatively outputting nylon 6 slices and a limiting device for stabilizing the quantitative transport of the load.

[0007] According to the above technical solution, the feeding device also includes a connecting frame and a driving wheel. The connecting frame is fixedly installed on the surface of the fixed cylinder, and the driving wheel is rotatably installed on the inner wall of the connecting frame. The driving wheel is connected to the auger piece through a No. 2 belt. When the auger piece rotates, it drives the No. 2 belt to drive the driving wheel to rotate.

[0008] According to the above technical solution, the output device includes a discharge port, a drive disk and a slide rail. The discharge port is arranged on the circumferential surface of the fixed cylinder, the drive disk is fixedly installed on the front side of the driving wheel, and the slide rail is fixedly installed on the surface of the discharge port. The nylon 6 slices are discharged through the discharge port under the spiral transportation of the auger, and the discharged nylon 6 slices will enter the receiving cylinder for temporary storage.

[0009] According to the above technical solution, the output device also includes a crank rod, a fixed frame and a brake rod, the crank rod is fixedly installed on the front side of the driving disk, the fixed frame is fixedly installed on the bottom of the slide rail, one side of the brake rod is slidably installed on the inner wall of the fixed frame, and the other side of the brake rod is rotatably installed on the inner wall of the crank rod, and the movement of the crank rod drives the brake rod to move back and forth left and right along the fixed frame.

[0010] According to the above technical scheme, the output device also includes an L-shaped plate, a sliding plate, a material receiving barrel and a round cover, the L-shaped plate is fixedly mounted on the bottom of the slide rail, the sliding plate is slidably mounted on the inner wall of the slide rail, the material receiving barrel is fixedly mounted on the bottom of the sliding plate, and the round cover is rotatably mounted on the surface of the material receiving barrel, a No. 1 torsion spring is arranged between the round cover and the material receiving barrel, a docking groove is arranged on the outer wall of the sliding plate, and a No. 2 return spring is arranged between the sliding plate and the slide rail, and the sliding plate is reset by the setting of the No. 2 return spring, and when the brake rod moves to the right, it will contact the material receiving barrel so that the material receiving barrel moves along the L-shaped plate, and at this time, the No. 1 torsion spring is in a compressed state, and when the material receiving barrel is completely separated from the L-shaped plate, the No. 1 torsion spring is released so that the round cover is fully opened, and the nylon 6 slices inside the material receiving barrel are poured out.

[0011] According to the above technical solution, the limiting device includes a hollow block and a push rod. The hollow block is fixedly mounted on the inner wall of the slide rail, and the push rod is fixedly mounted on the surface of the brake rod close to the material receiving barrel, driving the push rod to move when the brake rod moves.

[0012] According to the above technical solution, the limiting device also includes an insert block and a No. 1 spring. The insert block is slidably installed on the inner wall of the hollow block. The No. 1 spring is arranged between the insert block and the hollow block. The insert block is driven to reset by the arranged No. 1 spring. When the sliding plate is reset, its outer wall will contact the inclined surface of the insert block, so that the insert block moves backward and compresses the No. 1 spring at the same time. When the insert block overlaps with the docking groove, the No. 1 spring drives the insert block to be inserted into the docking groove, and the fixing of the sliding plate is completed at this time.

[0013] According to the above technical solution, the limiting device also includes a connecting button and a triangular block. The connecting button is fixedly installed on the rear side of the plug block, and the triangular block is fixedly installed on the bottom of the connecting button. The triangular block is in contact with the push rod. The movement of the push rod will contact the inclined surface of the triangular block, so that the triangular block moves backward. The movement of the triangular block drives the connecting button to move, and the movement of the connecting button drives the plug block to move, and at the same time compresses the No. 1 spring, so that the plug block is disengaged from the docking groove, and the restriction on the sliding plate is released at this time.

[0014] The present invention provides a conveying device for nylon 6 chips directly conveyed to a spinning production line, which has the following beneficial effects: (1) In the present invention, by setting up a feeding device, nylon 6 slices are fed into the fixed cylinder through the feeding port and transported by the auger. The sliding frame, U-shaped rod, sliding plate and feeding cylinder prevent a large amount of nylon 6 slices from causing blockage at the feeding port. The feeding cylinder that reciprocates up and down helps to improve the fluidity of the nylon 6 slices, making it easier for the slices to pass through the feeding cylinder and reduce resistance. The contact between the feeding cylinder and the rubber rod generates vibration, which helps to prevent the nylon 6 slices from forming bridges in the feeding cylinder and hindering the normal flow of the nylon 6 slices. The vibration can break this unstable structure and ensure that the nylon 6 slices can continuously and stably enter the subsequent processing links.

[0015] (2) In the present invention, by setting up the output device, the nylon 6 slices are discharged through the discharge port under the spiral transportation of the auger, and the discharged nylon 6 slices are temporarily stored in the receiving barrel. After the receiving barrel is completely separated from the L-shaped plate by the driving wheel, driving disk, crank rod, brake rod, and L-shaped plate, the round cover is completely opened by the No. 1 torsion spring. At this time, the nylon 6 slices in the receiving barrel are poured out. The quantitative output helps to optimize the production process and reduce waste in the production process. By accurately controlling the output amount of nylon 6 slices, production interruptions or product defects caused by excessive or insufficient output can be reduced, thereby improving the overall production efficiency. At this time, the rear half of the sliding plate will cover the output port of the discharge port to prevent the nylon 6 slices from overflowing.

[0016] (3) The invention, through the setting of the limit device, releases the restriction on the sliding plate through the brake rod, push rod, triangular block, connecting button, plug block and No. 1 spring, thereby preventing external force from accidentally touching the material receiving barrel and causing errors in receiving the material and unnecessary losses. When the sliding plate is reset, its outer wall will contact the inclined surface of the plug block, causing the plug block to move backward and compress the No. 1 spring at the same time. When the plug block overlaps with the docking groove, the No. 1 spring drives the plug block to be inserted into the docking groove. At this time, the sliding plate is fixed to prevent it from shaking when receiving the material and causing inaccurate material receiving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the auger blade and the discharge port position of the present invention; Figure 3 It is a schematic diagram of a partial cross-sectional structure of a feeding device of the present invention; Figure 4 This is a schematic diagram of the position structure of the driving wheel and the driving disc of the present invention; Figure 5 This is a schematic diagram of the position structure of the L-shaped plate and the fixing frame of the present invention; Figure 6 It is a schematic diagram of a partial cross-sectional structure of the output device of the present invention; Figure 7 This is a schematic diagram of the position structure of the sliding plate and the material receiving barrel of the present invention; Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure of part A.

[0018] In the figure: 1. fixed cylinder; 2. servo motor; 3. disc; 4. sliding frame; 5. auger piece; 6. U-shaped rod; 7. feeding port; 8. rubber rod; 9. sliding disk; 10. feeding cylinder; 11. connecting frame; 12. driving wheel; 20. discharging port; 21. driving disk; 22. slide rail; 23. crank rod; 24. fixed frame; 25. brake rod; 26. L-shaped plate; 27. sliding plate; 28. receiving cylinder; 29. ​​round cover; 30. hollow block; 31. push rod; 32. plug block; 33. No. 1 spring; 34. connecting button; 35. triangular block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 8 One embodiment of the present invention is: a conveying device for a nylon 6 chip direct spinning production line, comprising a fixed cylinder 1, a servo motor 2 is arranged on the surface of the fixed cylinder 1, and a feeding device; wherein the feeding device comprises a disc 3, a sliding frame 4, a auger piece 5, a U-shaped rod 6, a feeding port 7, a rubber rod 8, a sliding disc 9 and a feeding cylinder 10, the disc 3 is rotatably mounted on the surface of the fixed cylinder 1, the disc 3 is transmission-connected to the output end of the servo motor 2 through a No. 1 belt, one side of the sliding frame 4 is slidably mounted on the surface of the disc 3, and the other side of the sliding frame 4 is slidably mounted on the surface of the fixed cylinder 1 The auger piece 5 is fixedly mounted on the front side of the disc 3, the U-shaped rod 6 is fixedly mounted on the top of the sliding frame 4, the feed port 7 is fixedly mounted on the circumferential surface of the fixed cylinder 1, the rubber rod 8 is fixedly mounted on the top of the feed port 7, the sliding disk 9 is slidably mounted on the circumferential surface of the rubber rod 8, and the feeding cylinder 10 is fixedly mounted on the inner wall of the sliding disk 9. The feeding cylinder 10 that reciprocates up and down helps to improve the fluidity of nylon 6 slices and prevent a large number of nylon 6 slices from causing blockage at the feed port 7. A reset spring No. 1 is arranged between the sliding disk 9 and the rubber rod 8, and the sliding disk 9 is reset by the setting of the reset spring No. 1.

[0021] The feeding device also includes a connecting frame 11 and a driving wheel 12. The connecting frame 11 is fixedly installed on the surface of the fixed cylinder 1, and the driving wheel 12 is rotatably installed on the inner wall of the connecting frame 11. The driving wheel 12 is connected to the auger piece 5 through the No. 2 belt. When the auger piece 5 rotates, it drives the No. 2 belt to drive the driving wheel 12 to rotate.

[0022] When the present embodiment is working, nylon 6 slices are added from the feed barrel 10, and the nylon 6 slices will enter the fixed barrel 1 through the feed port 7. At this time, the output end of the servo motor 2 rotates to drive the No. 1 belt to drive the disc 3 to rotate. The rotation of the disc 3 drives the auger piece 5 and the sliding frame 4 to rotate. The nylon 6 slices are transported by the rotation of the auger piece 5. The rotation of the auger piece 5 drives the No. 2 belt to drive the driving wheel 12 to rotate. When the sliding frame 4 rotates, one side of the sliding frame 4 is slidably installed on the inner wall of the fixed barrel 1, so that the sliding frame 4 reciprocates up and down. The movement of the sliding frame 4 drives the U-shaped rod 6 to move. The upward movement of the U-shaped rod 6 will contact the sliding disk 9, so that the sliding disk 9 moves upward. The movement of the sliding disk 9 drives the feed barrel 10 to move, and is reset by the reset spring No. 1. At this time, if a large amount of nylon 6 slices are added to the feed barrel 10, the feed barrel 10 will reciprocate up and down to prevent a large amount of nylon 6 slices from causing blockage at the feed port 7. The feed barrel 10 that reciprocates up and down helps to improve the fluidity of the nylon 6 slices, especially in some processing techniques that require high material fluidity. This movement method can make it easier for the slices to pass through the feed barrel 10 and reduce resistance. When the feed barrel 10 is reset, it will contact the rubber rod 8 to generate vibration, which helps to prevent the nylon 6 slices from forming a bridge in the feed barrel 10, that is, the nylon 6 slices accumulate in the feed barrel 10 to form an arched structure, which hinders the normal flow of the nylon 6 slices. This unstable structure can be broken by vibration to ensure that the nylon 6 slices can continuously and stably enter the subsequent processing links.

[0023] See also Figure 1-Figure 8 On the basis of the above embodiment, in another embodiment of the present invention, the output port of the fixed cylinder 1 is provided with an output device for quantitatively outputting nylon 6 slices and a limiting device for stabilizing the quantitative transport of the load, the output device includes a discharge port 20, a drive disk 21 and a slide rail 22, the discharge port 20 is arranged on the circumferential surface of the fixed cylinder 1, the drive disk 21 is fixedly mounted on the front side of the drive wheel 12, the slide rail 22 is fixedly mounted on the surface of the discharge port 20, the nylon 6 slices are discharged through the discharge port 20 under the spiral transport of the auger piece 5, and the discharged nylon 6 slices will enter the receiving cylinder 28 for temporary storage.

[0024] The output device also includes a crank rod 23, a fixing frame 24 and a brake rod 25. The crank rod 23 is fixedly mounted on the front side of the driving disk 21, the fixing frame 24 is fixedly mounted on the bottom of the slide rail 22, one side of the brake rod 25 is slidably mounted on the inner wall of the fixing frame 24, and the other side of the brake rod 25 is rotatably mounted on the inner wall of the crank rod 23, so that the brake rod 25 can reciprocate left and right.

[0025] The output device also includes an L-shaped plate 26, a sliding plate 27, a material receiving barrel 28 and a round cover 29. The L-shaped plate 26 is fixedly mounted on the bottom of the slide rail 22, the sliding plate 27 is slidably mounted on the inner wall of the slide rail 22, the material receiving barrel 28 is fixedly mounted on the bottom of the sliding plate 27, and the round cover 29 is rotatably mounted on the surface of the material receiving barrel 28. A No. 1 torsion spring is arranged between the round cover 29 and the material receiving barrel 28. A docking groove is provided on the outer wall of the sliding plate 27. Quantitative output helps to optimize the production process and reduce waste in the production process. By accurately controlling the output amount of nylon 6 slices, production interruptions or product defects caused by excessive or insufficient amounts can be reduced, thereby improving the overall production efficiency. A No. 2 reset spring is arranged between the sliding plate 27 and the slide rail 22. The sliding plate 27 is reset by the setting of the No. 2 reset spring.

[0026] The limiting device includes a hollow block 30 and a push rod 31. The hollow block 30 is fixedly mounted on the inner wall of the slide rail 22, and the push rod 31 is fixedly mounted on the surface of the brake rod 25 close to the receiving barrel 28 to prevent external force from accidentally touching the receiving barrel 28, resulting in errors in receiving materials and unnecessary losses.

[0027] The limiting device also includes an insert block 32 and a No. 1 spring 33. The insert block 32 is slidably installed on the inner wall of the hollow block 30. The No. 1 spring 33 is arranged between the insert block 32 and the hollow block 30 to complete the fixation of the sliding plate 27 to prevent it from shaking when receiving the material, resulting in inaccurate material receiving. The insert block 32 is reset by the arranged No. 1 spring 33.

[0028] The limiting device also includes a connecting button 34 and a triangular block 35. The connecting button 34 is fixedly installed on the rear side of the insert block 32, and the triangular block 35 is fixedly installed on the bottom of the connecting button 34. The triangular block 35 contacts the push rod 31. When the push rod 31 moves, it contacts the inclined surface of the triangular block 35, causing the triangular block 35 to move backward.

[0029] When the present embodiment is working, the nylon 6 slices are discharged through the discharge port 20 under the spiral transport of the auger piece 5, and the discharged nylon 6 slices will enter the receiving barrel 28 for temporary storage, and the driving wheel 12 rotates to drive the driving disk 21 to rotate, and the driving disk 21 rotates to drive the crank rod 23 to move, and the movement of the crank rod 23 drives the brake rod 25 to move back and forth along the fixed frame 24. When the brake rod 25 moves to the right, it will contact the receiving barrel 28, so that the receiving barrel 28 moves along the L-shaped plate 26. At this time, the No. 1 torsion spring is in a compressed state. When the receiving barrel 28 is completely separated from the L-shaped plate 26, the No. 1 torsion spring is The circular cover 29 is fully opened when the release is completed. At this time, the nylon 6 slices in the receiving barrel 28 are poured out. The quantitative output helps to optimize the production process and reduce waste in the production process. By accurately controlling the output of the nylon 6 slices, the production interruption or product defects caused by excessive or insufficient nylon 6 slices can be reduced, thereby improving the overall production efficiency. At this time, the rear half of the sliding plate 27 will cover the output port of the discharge port 20 to prevent the nylon 6 slices from overflowing. When the reset spring No. 2 drives the sliding plate 27 to reset, the circular cover 29 contacts the L-shaped plate 26, so that the circular cover 29 continues to connect with the bottom of the barrel 28 to close it. When the brake rod 25 moves, it drives the push rod 31 to move. The movement of the push rod 31 will contact the inclined surface of the triangular block 35, causing the triangular block 35 to move backward. The movement of the triangular block 35 drives the connecting button 34 to move. The movement of the connecting button 34 drives the plug block 32 to move and compresses the No. 1 spring 33 at the same time, so that the plug block 32 is out of the docking groove. At this time, the restriction on the sliding plate 27 is released to prevent external force from accidentally touching the material receiving barrel 28, resulting in errors in material receiving and unnecessary losses. When the sliding plate 27 is reset, its outer wall will contact the inclined surface of the plug block 32, causing the plug block 32 to move backward and compress the No. 1 spring 33. When the plug block 32 overlaps with the docking groove, the No. 1 spring 33 drives the plug block 32 to be inserted into the docking groove. At this time, the sliding plate 27 is fixed to prevent it from shaking during material receiving and causing inaccurate material receiving.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conveying device for a nylon 6 chip direct spinning production line, comprising a fixed cylinder (1), characterized in that: The surface of the fixed cylinder (1) is provided with a servo motor (2), and also includes a feeding device; The feeding device comprises a disc (3), a sliding frame (4), an auger piece (5), a U-shaped rod (6), a feeding port (7), a rubber rod (8), a sliding disc (9) and a feeding barrel (10); the disc (3) is rotatably mounted on the surface of a fixed barrel (1); the disc (3) is transmission-connected to the output end of a servo motor (2) via a No. 1 belt; one side of the sliding frame (4) is slidably mounted on the surface of the disc (3); the other side of the sliding frame (4) is slidably mounted on the surface of the fixed barrel (1); the auger piece (5) is fixedly mounted on the front side of the disc (3); The U-shaped rod (6) is fixedly mounted on the top of the sliding frame (4), the feed port (7) is fixedly mounted on the circumferential surface of the fixed cylinder (1), the rubber rod (8) is fixedly mounted on the top of the feed port (7), the sliding plate (9) is slidably mounted on the circumferential surface of the rubber rod (8), the feed cylinder (10) is fixedly mounted on the inner wall of the sliding plate (9), a return spring No. 1 is arranged between the sliding plate (9) and the rubber rod (8), and the output port of the fixed cylinder (1) is provided with an output device for quantitatively outputting nylon 6 slices and a limit device for stabilizing the quantitative transport of the load.

2. The conveying device for nylon 6 chips directly delivered to a spinning production line according to claim 1, characterized in that: The feeding device further comprises a connecting frame (11) and a driving wheel (12); the connecting frame (11) is fixedly mounted on the surface of the fixed cylinder (1); the driving wheel (12) is rotatably mounted on the inner wall of the connecting frame (11); and the driving wheel (12) is transmission-connected to the auger blade (5) via a No. 2 belt.

3. The conveying device for nylon 6 chips direct-spinning production line according to claim 2, characterized in that: The output device comprises a discharge port (20), a drive disk (21) and a slide rail (22); the discharge port (20) is arranged on the circumferential surface of the fixed cylinder (1); the drive disk (21) is fixedly mounted on the front side of the drive wheel (12); and the slide rail (22) is fixedly mounted on the surface of the discharge port (20).

4. The conveying device for nylon 6 chips direct-spinning production line according to claim 3, characterized in that: The output device further comprises a crank rod (23), a fixing frame (24) and a brake rod (25), wherein the crank rod (23) is fixedly mounted on the front side of the driving disk (21), the fixing frame (24) is fixedly mounted on the bottom of the slide rail (22), one side of the brake rod (25) is slidably mounted on the inner wall of the fixing frame (24), and the other side of the brake rod (25) is rotatably mounted on the inner wall of the crank rod (23).

5. The conveying device for nylon 6 chips direct spinning production line according to claim 4, characterized in that: The output device further comprises an L-shaped plate (26), a sliding plate (27), a material receiving barrel (28) and a round cover (29); the L-shaped plate (26) is fixedly mounted on the bottom of the slide rail (22); the sliding plate (27) is slidably mounted on the inner wall of the slide rail (22); the material receiving barrel (28) is fixedly mounted on the bottom of the sliding plate (27); the round cover (29) is rotatably mounted on the surface of the material receiving barrel (28); a first torsion spring is arranged between the round cover (29) and the material receiving barrel (28); a docking groove is provided on the outer wall of the sliding plate (27); and a second return spring is arranged between the sliding plate (27) and the slide rail (22).

6. The conveying device for nylon 6 chips direct-spinning production line according to claim 5, characterized in that: The limiting device comprises a hollow block (30) and a push rod (31), wherein the hollow block (30) is fixedly mounted on the inner wall of the slide rail (22), and the push rod (31) is fixedly mounted on the surface of the brake rod (25) on a side close to the material receiving barrel (28).

7. The conveying device for nylon 6 chips directly delivered to a spinning production line according to claim 6, characterized in that: The limiting device further comprises an insert block (32) and a No. 1 spring (33); the insert block (32) is slidably mounted on the inner wall of the hollow block (30); and the No. 1 spring (33) is arranged between the insert block (32) and the hollow block (30).

8. The conveying device for nylon 6 chips direct-spinning production line according to claim 7, characterized in that: The limiting device further comprises a connecting button (34) and a triangular block (35), wherein the connecting button (34) is fixedly mounted on the rear side of the insert block (32), and the triangular block (35) is fixedly mounted on the bottom of the connecting button (34), and the triangular block (35) is in contact with the push rod (31).

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