A crepe rubber sheet conveying system of a natural rubber multi-roll creper

Abstract

The application provides a natural rubber multi-roller crepe sheet machine crepe sheet conveying system, and relates to the technical field of natural rubber primary processing equipment. The natural rubber multi-roller crepe sheet machine crepe sheet conveying system comprises a cutting and conveying mechanism, the cutting and conveying mechanism comprising a cutting assembly and a translation assembly; a circulating conveying device, the circulating conveying device being used for conveying the clamping assembly to the upper hanging station in an idle state; a transfer mechanism, the transfer mechanism being capable of taking the idle clamping assembly from the circulating conveying device at the upper hanging station and transferring the idle clamping assembly to a grabbing station to clamp the wet crepe sheet at the grabbing station through the clamping assembly; and a hanging rack, the hanging rack being used for bearing the clamping assembly clamping the wet crepe sheet. In the working process, the clamping assembly is used to actively clamp and fix the wet crepe sheet, and the clamping force is used to firmly fix the wet crepe sheet with high water content and smooth surface and wrinkles, so that the problems of easy sliding of the wet crepe sheet, floor pollution, manual picking and rework, raw material loss and labor cost increase are solved from the root.

Description

Technical Field

[0001] This application relates to the field of natural rubber primary processing equipment technology, and in particular to a crepe conveying system for a natural rubber multi-roller crepe machine. Background Technology

[0002] Natural rubber is a crucial raw material supporting industrial manufacturing and transportation. In the entire primary processing of natural rubber, the crepe machine is a core piece of equipment, playing a key role in washing and removing impurities, extruding and dehydrating, and kneading and creping. It is a specialized piece of equipment for producing wet crepe rubber sheets. The moisture content of wet crepe rubber sheets processed by the crepe machine is typically maintained at 30%-40%. Its unique wrinkled surface structure significantly increases the specific surface area of ​​the material, which can significantly improve the dehydration efficiency of subsequent drying processes. It can also further reduce the residual impurities inside the rubber sheet, laying the foundation for producing high-quality natural rubber products. After exiting the crepe machine, the wet crepe rubber sheets must be promptly conveyed, cut, and hung on rods before being transferred to the drying area for drying. If the conveying and hanging processes are delayed, the high-moisture-content wet crepe rubber sheets will quickly accumulate heat and ferment, leading to oxidation, discoloration, mold, and stickiness, directly causing a decline in the quality of the finished rubber product. In the traditional production model, the cutting, hanging, and transportation of crepe rubber sheets are all done manually. Manual labor is not only labor-intensive and has limited production efficiency, but also results in uneven hanging spacing and drooping shape of the rubber sheets on a single hanging rod due to differences in operator proficiency and work habits. This ultimately leads to uneven heating and air exposure of the rubber sheets during the subsequent drying process, resulting in poor consistency of the finished rubber quality.

[0003] To address the numerous drawbacks of manual film hanging, the industry has developed automated film hanging rod equipment. For example, invention application CN119460863A discloses a film hanging rod device, which mainly consists of a swing-in cutting mechanism, a hanging rod conveying mechanism, and a rod output mechanism. A conveyor belt receives the continuous film strips output from the crepe machine and transports them above the hanging rod station. The film strips naturally fall to the outside of the hanging rod under their own weight. Subsequently, the swing rod assembly in the swing-in cutting mechanism pushes the film strip towards the cutter side, and... The cutting blade completes the fixed-length cutting. The cut film hangs down naturally under its own weight, folds in half, and hangs on the surface of the hanging rod below. The hanging rod conveying mechanism of the equipment adopts a step-by-step operation mode, which can drive the hanging rod through the three stations of rod feeding, rod hanging, and rod discharging in sequence. Multiple film sheets are suspended at intervals on a single hanging rod. After the hanging rod is full, the rod discharging mechanism automatically transfers it to the next process, thus realizing the full automation of film cutting, hanging, and discharging. This not only improves the efficiency of film hanging operation, but also increases the space utilization of the drying site.

[0004] However, when using the aforementioned automated hanging pole equipment, the wet crepe sheets produced by the crepe machine have a high moisture content and a water film on their surface, resulting in strong lubrication. The hanging poles, mostly made of wood, bamboo, or stainless steel, have smooth surfaces, leading to a low coefficient of friction between the two. Furthermore, the dense folds on the surface of the crepe sheets reduce the effective contact area with the hanging poles. Additionally, during the process of the cut wet crepe sheets naturally falling and being folded and hung on the poles, the swinging inertia generated by the swing arm component pushing the wet crepe sheets towards the cutter side at the moment of cutting, along with the impact force of the wet crepe sheets falling, causes the sheets to shake violently. Combined with the mechanical vibrations from continuous equipment operation, these multiple factors cause the cut wet crepe sheets to easily slip off the hanging poles, making reliable hanging impossible. The fallen wet crepe sheets come into contact with wastewater, equipment oil, and debris, causing raw material contamination. Contaminated sheets require manual collection, secondary cleaning, and rework, increasing labor costs and resulting in raw material waste. Summary of the Invention

[0005] The purpose of this application is to provide a crepe sheet conveying system for a multi-roller crepe machine for natural rubber, which solves the problem in the related art where, during the process of the cut wet crepe sheets naturally hanging and being suspended on the hanging rod, they easily slip off the hanging rod, making reliable suspension impossible.

[0006] The crepe sheet conveying system of a natural rubber multi-roller crepe machine provided in this application adopts the following technical solution: A crepe sheet conveying system for a natural rubber multi-roller crepe machine includes: Multi-roll crepe machine; The cutting and feeding mechanism includes a cutting component and a translation component. The cutting component is used to cut the wet crepe film produced by the multi-roller crepe machine, and the translation component is used to transfer the cut wet crepe film from the cutting station to the gripping station. A circulating conveyor, wherein several clamping components are detachably assembled on the circulating conveyor, and the circulating conveyor is used to transport the clamping components to the upper hanging station under no-load conditions. The transfer mechanism is detachably connected to the clamping component. The transfer mechanism can remove the empty clamping component from the circulating conveyor at the upper hanging station and transfer it to the gripping station. The clamping component holds the wet crepe film at the gripping station. The hanging rack is used to support and hold a clamping assembly that holds a wet crepe film. After the clamping assembly holds the wet crepe film, the transfer mechanism can transfer the clamping assembly and hang it on the hanging rack.

[0007] Optionally, the multi-roller crepe machine includes a first frame, multiple pairs of rollers, and a crepe drive unit. The multiple pairs of rollers are rotatably mounted on the first frame and arranged vertically in sequence. Two rollers in each pair are arranged horizontally. Along the direction of conveying the wet crepe film, the diameter of each pair of rollers decreases sequentially, and the gap between the two rollers in the same pair gradually narrows. The crepe drive unit is connected to the rollers and is used to drive the two rollers in the same pair to rotate in opposite directions.

[0008] Optionally, the cutting assembly includes a base, two clamping plates, a clamping drive, a cutter, and a cutting drive. The two clamping plates are slidably mounted on the base. The clamping drive is used to drive the two clamping plates to slide towards each other to clamp and position the wet crepe film produced by the multi-roller crepe machine. The cutter is slidably mounted on the base and located on one side of the clamping plates. The cutting drive is used to drive the cutter to move horizontally to cut the clamped and positioned wet crepe film. The translation assembly is connected to the base.

[0009] Optionally, the translation component includes a second frame and a lateral translation drive. The second frame is provided with a lateral guide rail, and the base is slidably disposed on the lateral guide rail. The lateral translation drive is connected to the base and is used to drive the base to translate laterally.

[0010] Optionally, of the two clamping plates, the clamping plate furthest from the cutter is higher than the other clamping plate, and a relief groove is provided on the part of the higher clamping plate. The relief groove is positioned opposite to the blade of the cutter, so that the cutter can extend into it to avoid obstruction during cutting.

[0011] Optionally, the clamping assembly includes a hanger, two clamping blocks, a clamping spring, and a limiting component. The hanger is detachably assembled with the circulating conveying device. The two clamping blocks are slidably mounted on the hanger. Each clamping block has multiple downward-extending claws. The clamping spring is mounted on the hanger and is used to drive the two clamping blocks to move towards each other so that the claws can grip the wet crepe film. The limiting component is mounted on the hanger and is used to limit and lock the clamping blocks when the two clamping blocks are opened in opposite directions, maintaining the open state of the clamping blocks so as to grip the wet crepe film.

[0012] Optionally, the multiple jaws on each of the clamping blocks are arranged at intervals, and the clamping plate has multiple notches, each notch corresponding to a jaw, to avoid the jaws when the jaws are gripping the wet crepe film.

[0013] Optionally, the limiting component includes a linkage gear, a limiting block, and a limiting spring. The linkage gear is rotatably mounted on the mounting base. The two clamping blocks are respectively fixed with racks that mesh with the linkage gear. The clamping blocks have horizontally extending cross plates with locking grooves. The limiting blocks are vertically slidably mounted on the mounting base and have locking tongues. The limiting spring is used to drive the limiting blocks to move downward so that the locking tongue engages with the locking groove. The limiting blocks have anti-locking pins. The clamping plates have bosses. When the mounting base moves downward, the anti-locking pins can abut against the bosses, driving the limiting blocks to move upward relative to the mounting base, causing the locking tongue to disengage from the locking groove.

[0014] Optionally, the transfer mechanism includes a third frame, a longitudinal drive, a transverse drive, a vertical drive, and an electric clamp. The longitudinal drive is mounted on the third frame and connected to the transverse drive to drive the transverse drive to move longitudinally. The transverse drive is connected to the vertical drive to drive the vertical drive to move laterally. The vertical drive is connected to the electric clamp to drive the electric clamp to move vertically. The electric clamp is used to clamp the hanger.

[0015] Optionally, the clamping assembly further includes a release pin block and a locking spring. The circulating conveying device is a ring-shaped guide rail conveyor line. The slide carrier of the ring-shaped guide rail conveyor line is provided with a docking groove. The inner wall of the docking groove is provided with a pin hole. The hanger is provided with a connector that can be inserted into the docking groove. Positioning grooves are provided on both sides of the hanger. The release pin block is slidably disposed in the positioning groove. The release pin block is provided with a locking pin that slides through the connector and can be inserted into the pin hole. The locking spring is used to push the locking pin into the pin hole. The electric clamp can hold the hanger through its clamping fingers. The clamping fingers are provided with positioning blocks that can be engaged with the positioning groove. When the positioning block is engaged in the positioning groove, it can push the release pin block to drive the locking pin out of the pin hole.

[0016] In summary, this application includes at least the following beneficial technical effects: This application produces wet crepe film using a multi-roller crepe machine, and automatically completes the cutting and station-level transport of the wet crepe film with the help of a cutting and feeding mechanism. Simultaneously, a circulating conveyor continuously transports the clamping assembly to the hanging station under no-load conditions. The transfer mechanism automatically picks up the no-load clamping assembly and moves it to the gripping station. The clamping assembly holds the wet crepe film at a fixed point and hangs it on a rack. The rack is then transferred to the drying process for drying, completing the automated cutting, clamping, transport, and hanging of the wet crepe film. This application abandons the traditional self-weight suspension method, actively clamping and fixing the wet crepe film during operation. It relies on mechanical clamping force to firmly fix the high-moisture-content, smooth-surfaced, wrinkled wet crepe film. Even if the equipment operates continuously and generates mechanical vibrations, or if the film is subject to falling and shaking impacts, the wet crepe film will not fall off. This fundamentally solves the problems of wet crepe film easily slipping off the ground, causing pollution when it falls to the ground, requiring manual picking and rework, resulting in material loss and increased labor costs. It ensures continuous and stable production and reduces material waste and subsequent rework costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the crepe sheet conveying system of the natural rubber multi-roller crepe machine in the embodiments of this application; Figure 2 This is a first-view cross-sectional view of the crepe conveying system of the natural rubber multi-roller crepe machine in an embodiment of this application. Figure 3 for Figure 2 A magnified view of part B2 in the middle; Figure 4 for Figure 2 A magnified view of part B1 in the middle; Figure 5 This is a cross-sectional view from a second perspective of the crepe conveying system of the natural rubber multi-roller crepe machine in an embodiment of this application; Figure 6 for Figure 5 A magnified view of part C in the middle; Figure 7 This is a third-view cross-sectional view of the crepe conveying system of the natural rubber multi-roller crepe machine in the embodiments of this application; Figure 8 for Figure 7 A magnified view of part D in the middle; Figure 9 This is a schematic diagram of the structure of the clamping component in the embodiments of this application; Figure 10 This is a cross-sectional view from the fourth perspective of the crepe conveying system of the natural rubber multi-roller crepe machine in the embodiments of this application. Figure 11 for Figure 10 A magnified view of part A in the diagram.

[0018] Explanation of reference numerals in the attached figures: 10. Multi-roll crepe machine; 11. First frame; 12. Rollers; 121. Crepe gear; 13. Crepe drive motor; 20. Cutting and feeding mechanism; 21. Base; 22. Clamping plate; 221. Recessed groove; 222. Notch; 223. Boss; 224. First guide post; 23. Clamping drive electric push rod; 24. Cutting blade; 241. Cutting blade holder; 242. Second guide post; 25. Cutting electric push rod; 26. Second frame; 261. Transverse guide rail; 27. Transverse linear screw module; 30. Circular guide rail conveyor line; 31. Slide carrier; 311. Docking groove; 312. Pin hole; 40. Clamping assembly; 41. Hanger; 411. Limiting guide rod; 412. Connecting joint; 413. Positioning groove; 414. Hanging rod; 415. Sliding guide rod; 42. Clamping block; 421. Clamping claw; 422. Anti-slip texture; 423. Horizontal plate; 424. Lock groove; 425. Rack; 43. Clamping spring; 44. Linkage gear; 45. Limiting block; 451. Locking tongue; 452. Unlocking pin; 453. Column; 46. Limiting spring; 47. Unlocking block; 471. Connecting plate; 472. Locking pin; 48. Locking spring; 50. Transfer mechanism; 51. Third frame; 511. Pallet; 512. Positioning plate; 52. Longitudinal linear screw module; 53. Lateral linear screw module; 54. Vertical linear screw module; 55. Support plate; 56. Electric clamp; 561. Clamping finger; 562. Positioning block; 60. Hanger; 61. Hanging groove; 62. Fork groove; 70. Wet crepe film. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1 - Appendix Figure 11 This application will be described in further detail below.

[0020] This application discloses a crepe conveying system for a natural rubber multi-roller crepe machine.

[0021] A crepe sheet conveying system for a multi-roller crepe machine for natural rubber includes a multi-roller crepe machine 10, a cutting and feeding mechanism 20, a circulating conveying device, a clamping assembly 40, a transfer mechanism 50, and a hanger 60.

[0022] Reference Figures 1 to 3 The multi-roller crepe machine 10 includes a first frame 11, multiple pairs of rollers 12, and crepe drive components. The multiple pairs of rollers 12 are rotatably mounted on the first frame 11 and arranged vertically in sequence. Two rollers 12 in each pair are arranged horizontally. The outer wall of the rollers 12 is formed with anti-slip wrinkling patterns. Along the conveying direction of the wet crepe film 70, i.e. from top to bottom, the diameter of each pair of rollers 12 decreases sequentially, and the gap between the two rollers in the same pair gradually narrows. The upper layer of material to be processed is a thick block of rubber. The upper layer uses a large-diameter roller 12 with a larger contact angle and stronger gripping ability, which can be smoothly fed into the roller gap to avoid slippage and blockage. After multi-stage roller pressing, the rubber material continues to become thinner. The lower layer uses a small-diameter roller 12, which has a stronger shearing and kneading effect on the thin wet crepe rubber sheet 70 and forms more wrinkles. Combined with the anti-slip wrinkle pattern on the surface of the roller 12, dense wrinkles can be processed to increase the specific surface area of ​​the wet crepe rubber sheet 70 and improve drying efficiency. With the roller gap of the roller 12 narrowing step by step, gradient extrusion is achieved to slowly remove the moisture and impurities inside the rubber material and avoid tearing and damage to the wet crepe rubber sheet 70 caused by one-time strong extrusion.

[0023] The crepe drive is connected to the rollers 12 and is used to drive the two rollers 12 in the same pair to rotate in opposite directions. Specifically, the crepe drive is a crepe drive motor 13, which is fixedly installed on the first frame 11 and connected to one of the rollers 12 in each pair. Each pair of two rollers 12 is equipped with meshing crepe gears 121 at their ends. The two crepe gears 121 in the same pair have different numbers of teeth, so that the rollers 12 in the same pair rotate at different speeds. Under the rolling and pulling action of the rollers 12, the rubber block descends step by step along the top-to-bottom conveying path, passing through the gaps between multiple pairs of rollers 12 in sequence, and finally is pressed out of the bottom pair of rollers 12 to form a wet crepe sheet 70, which is then sent to the downstream cutting and conveying mechanism 20.

[0024] The cutting and conveying mechanism 20 includes a cutting component and a translation component. The cutting component is used to cut the wet crepe film 70 produced by the multi-roller crepe machine 10, and the translation component is used to transfer the cut wet crepe film 70 from the cutting station to the gripping station.

[0025] The specific structure of the cutting assembly and the translation assembly is as follows: The cutting assembly includes a base 21, two clamping plates 22, a clamping drive, a cutter 24 and a cutting drive. The clamping plate 22 is provided with a first guide post 224, which slides through the base 21. The two clamping plates 22 are slidably assembled on the base 21 through the first guide post 224. The clamping drive can be a clamping drive electric push rod 23, which is fixedly installed on the base 21. The push-pull rod of the clamping drive electric push rod 23 is fixedly connected to the clamping plate 22. The clamping drive is used to drive the two clamping plates 22 to slide towards each other to clamp and position the wet crepe film 70 produced by the multi-roller crepe machine 10. The cutter 24 is provided with a cutter seat 241, and the cutter seat 241 is provided with a second guide post 242. The second guide post 242 is slidably inserted through the base 21. The cutter 24 is slidably disposed on the base 21 via the second guide post 242 and located on one side of the clamping plate 22. The cutting drive is a cutting electric push rod 25, which is fixedly installed on the base 21. The push-pull rod of the cutting electric push rod 25 is fixedly connected to the cutter seat 241. The cutting drive is used to drive the cutter 24 to move horizontally and cut the wet crepe film 70 after it is clamped and positioned.

[0026] Of the two clamping plates 22, the clamping plate 22 that is farther away from the cutter 24 is higher than the other clamping plate 22. The part of the higher clamping plate 22 that is higher is provided with a relief groove 221. The relief groove 221 is set opposite to the position of the blade of the cutter 24, so that the cutter 24 can extend into it to avoid it when cutting.

[0027] The translation component is connected to the base 21 to drive the base 21 to translate laterally, so as to move the cut wet crepe film 70 from the cutting station to the gripping station. Specifically, the translation component includes a second frame 26 and a lateral translation drive. The second frame 26 is provided with a lateral guide rail 261, and the base 21 is slidably mounted on the lateral guide rail 261. The lateral translation drive is connected to the base 21. The lateral translation drive can be a lateral linear screw module 27. The lateral linear screw module 27 is fixedly installed on the first frame 11. The slide of the lateral linear screw module 27 is fixedly connected to the base 21 and is used to drive the base 21 to translate laterally.

[0028] Reference Figures 3 to 9 The circulating conveyor is detachably equipped with several clamping components 40. The circulating conveyor is used to transport the clamping components 40 to the upper hanging station under no-load conditions. In this embodiment, the circulating conveyor adopts a ring guide rail conveyor line 30. The specific structure of the clamping components 40 and their specific connection relationship with the ring guide rail conveyor line 30 are as follows: The clamping component 40 includes a hanger 41, two clamping blocks 42, a clamping spring 43, a limiting component, a release pin block 47, and a locking spring 48. The hanger 41 is detachably assembled with the circulating conveyor. Specifically, the slide carrier 31 of the ring guide rail conveyor line 30 is provided with a docking groove 311, and the inner wall of the docking groove 311 is provided with a pin hole 312. The hanger 41 is provided with a pin hole that can be inserted into the docking groove 311. The mounting bracket 41 has a positioning groove 413 on both sides. The release pin block 47 is slidably disposed in the positioning groove 413. The inner wall of the positioning groove 413 of the mounting bracket 41 has a sliding guide rod 415. The release pin block 47 is slidably sleeved with the sliding guide rod 415. The release pin block 47 has a connecting plate 471 slidably assembled inside the mounting bracket 41. The connecting plate 471 has a locking pin 472 that slidably passes through the mounting bracket 412 and can be inserted into the pin hole 312. The locking spring 48 is sleeved on the outside of the sliding guide rod 415. The two ends of the locking spring 48 abut against the release pin block 47 and the inner wall of the positioning groove 413 respectively. The locking spring 48 is used to push the locking pin 472 into the pin hole 312 to lock the mounting bracket 41 and the slide carrier 31.

[0029] The hanger 41 is provided with a limiting guide rod 411. Two clamping blocks 42 are slidably mounted on the limiting guide rod 411 of the hanger 41. Each clamping block 42 is provided with multiple downward-extending claws 421, and the surface of the claws 421 is formed with anti-slip textures 422. A clamping spring 43 is assembled on the hanger 41 and is used to drive the two clamping blocks 42 to move towards each other. Specifically, the clamping spring 43 is sleeved on the outside of the limiting guide rod 411, and the two ends of the clamping spring 43 abut against the inner wall of the hanger 41 and the side wall of the clamping block 42, respectively. The spring force pushes the two clamping blocks 42 to clamp towards each other, so that the claws 421 can grip the wet crepe film 70. The multiple claws 421 on each clamping block 42 are arranged at intervals. The clamping plate 22 has multiple notches 222, which correspond one-to-one with the claws 421, so that the claws 421 can avoid the claws 421 when gripping the wet crepe film 70.

[0030] A limiting component is installed on the hanger 41 to limit and lock the two clamping blocks 42 when they open in opposite directions, maintaining the open state of the clamping blocks 42 for gripping the wet crepe film 70. Specifically, the limiting component includes a linkage gear 44, a limiting block 45, and a limiting spring 46. The linkage gear 44 is rotatably mounted on the hanger 41, and the two clamping blocks 42 are respectively fixed with racks 425 that mesh with the linkage gear 44. The clamping blocks 42 are provided with a horizontally extending cross plate 423, and the cross plate 423 is provided with a locking groove 424. The limiting block 45 is vertically slidably installed on the hanger 41, and the limiting block 45 is formed with a locking tongue 451. A column 453 is provided, which slides through the bracket 41. A limiting spring 46 is sleeved on the outside of the column 453. The two ends of the limiting spring 46 abut against the bracket 41 and the limiting block 45 respectively. The limiting spring 46 is used to drive the limiting block 45 to move down so that the latch 451 engages with the lock groove 424 to lock the clamping block 42 in the open state. The limiting block 45 is provided with a release pin 452, and the clamping plate 22 is provided with a boss 223. When the bracket 41 moves down, the release pin 452 can abut against the boss 223, driving the limiting block 45 to move up relative to the bracket 41, so that the latch 451 disengages from the lock groove 424 to complete the unlocking.

[0031] Reference Figure 1 , Figure 4 , Figure 8 , Figure 10 and Figure 11The clamping assembly 40 is detachably connected to the transfer mechanism 50. The transfer mechanism 50 can remove the empty clamping assembly 40 from the circulating conveyor at the upper hanging station and transfer it to the gripping station, where the clamping assembly 40 holds the wet crepe film 70 at the gripping station. In this embodiment, the specific structure of the transfer mechanism 50 and its connection relationship with the clamping assembly 40 are as follows: The transfer mechanism 50 includes a third frame 51, a longitudinal drive, a transverse drive, a vertical drive, and an electric clamp 56. The longitudinal drive is mounted on the third frame 51 and is connected to the transverse drive to drive the transverse drive to move longitudinally. The transverse drive is connected to the vertical drive to drive the vertical drive to move laterally. The vertical drive is connected to the electric clamp 56 to drive the electric clamp 56 to move vertically.

[0032] In this embodiment, the longitudinal movement drive can be a longitudinal linear screw module 52, the transverse movement drive can be a transverse linear screw module 53, and the vertical movement drive can be a vertical linear screw module 54. The transverse linear screw module 53 is fixedly installed on the slide of the longitudinal linear screw module 52, the vertical linear screw module 54 is fixedly installed on the slide of the transverse linear screw module 53, and a support plate 55 is fixedly installed on the slide of the vertical linear screw module 54. The electric clamp 56 is fixedly installed on the support plate 55.

[0033] The electric clamp 56 is used to clamp the hanger 41. Specifically, the electric clamp 56 can clamp the hanger 41 through its clamping fingers 561. The clamping fingers 561 are provided with positioning blocks 562 that can engage with positioning grooves 413. When the positioning blocks 562 are engaged with positioning grooves 413, they can push the release pin block 47 to drive the locking pin 472 out of the pin hole 312 and release the lock between the hanger 41 and the slide carrier 31.

[0034] The third frame 51 is equipped with a tray 511, and the hanger 60 is placed on the tray 511. The tray 511 is fixed with a positioning plate 512, which has an L-shaped structure that matches the bottom of the hanger 60 and is used to limit and position the bottom of the hanger 60. The bottom of the hanger 60 is provided with a fork slot 62 for a forklift fork to insert and transfer. The hanger 60 is used to support the clamping assembly 40 that holds the wet crepe film 70. The top of the hanger 60 is provided with a hanging groove 61. The hanging base 41 extends horizontally with a hanging rod 414. The hanging base 41 can be suspended in the hanging groove 61 by means of the hanging rod 414. After the clamping assembly 40 holds the wet crepe film 70, the transfer mechanism 50 can transfer the clamping assembly 40 and hang it on the hanger 60.

[0035] The implementation principle of the crepe sheet conveying system of a multi-roller crepe machine for natural rubber in this embodiment is as follows: The crepe drive motor 13 of the multi-roller crepe machine 10 is started, driving each pair of rollers 12 to rotate. The paired rollers 12 form differential rotation through crepe gears 121 with different numbers of teeth. The rubber block passes through multiple sets of vertically arranged rollers 12 from top to bottom. With the gradient structure of each pair of rollers 12 with decreasing diameter and gradually narrowing gap, the rubber material is progressively squeezed, dehydrated, and impurities are removed. At the same time, with the differential kneading effect of the anti-slip wrinkle pattern on the surface of the rollers 12, the rubber material is processed into a continuous wet crepe sheet 70 with dense wrinkles on the surface and appropriate moisture content. The wet crepe sheet 70 passes down through the bottom pair of rollers 12 and enters the cutting station between two clamping plates 22.

[0036] The clamping drive electric push rod 23 drives the two clamping plates 22 to slide towards each other, clamping and positioning the wet crepe film 70. At this time, the control crepe drive motor 13 stops working, so that the wet crepe film 70 stops being conveyed downward. Then, the cutting electric push rod 25 drives the cutter 24 to move horizontally to cut the wet crepe film 70. After the cutting is completed, the cutter 24 returns to its original position, and the horizontal linear screw module 27 drives the base 21 to move horizontally as a whole, transferring the cut single wet crepe film 70 from the cutting station to the gripping station near the transfer mechanism 50 to wait.

[0037] Meanwhile, the circular guide rail conveyor 30 transports the unloaded clamping assembly 40 to the upper hanging position. The hanging seat 41 is engaged with the mating groove 311 of the sliding carrier 31 through the connector 412. The locking spring 48 pushes the locking pin 472 into the pin hole 312 to lock and fix the clamping assembly 40 during the transport process, preventing it from shifting and falling off. The transfer mechanism 50 drives the electric clamp 56 to move precisely to the upper hanging position through the linkage of three sets of linear screw modules for longitudinal, transverse and vertical movement. The clamping fingers 561 of the electric clamp 56 clamp the hanging seat 41, and the positioning block 562 on the clamping finger 561 is engaged in the positioning groove 413 of the hanging seat 41. The push release block 47 causes the locking pin 472 to exit the pin hole 312, automatically releasing the locking of the clamping assembly 40 and the sliding carrier 31, completing the picking of the unloaded clamping assembly 40.

[0038] The transfer mechanism 50 moves the unloaded clamping assembly 40 to the film gripping station. In the initial state of the clamping assembly 40, the locking tongue 451 of the limiting component engages with the locking groove 424 of the clamping block 42, keeping the two clamping blocks 42 open. The transfer mechanism 50 drives the hanging base 41 to move down, so that the grippers 421 of the two clamping blocks 42 are respectively placed in the notches 222 of the clamping plate 22. At the same time, the grippers 421 of the two clamping blocks 42 are located on both sides of the wet crepe film 70. When the hanging base 41 moves down, the unlocking pin 452 abuts against the boss 223 of the clamping plate 22, driving the limiting block 45 to move up to unlock. The clamping spring 43 releases its elasticity, pushing the two clamping blocks 42 to close towards each other along the limiting guide rod 411. The grippers 421 with anti-slip texture 422 firmly clamp the wet crepe film 70.

[0039] The clamping drive electric push rod 23 drives the two clamping plates 22 to slide in opposite directions, releasing the clamping of the wet crepe film 70. The transfer mechanism 50 then moves again to transfer the clamping and hanging assembly 40 holding the wet crepe film 70 as a whole. It is then suspended and placed in the hanging slot 61 of the hanging frame 60 by the hanging rod 414 of the hanging seat 41. The L-shaped positioning plate 512 precisely limits the hanging frame 60 to ensure the hanging accuracy. The hanging frame 60, which is full of film, can be transferred to the drying process by a forklift through the bottom fork slot 62, completing the entire process of automated cutting, clamping, transfer and hanging of the wet crepe film 70. Subsequently, the horizontal linear screw module 27 drives the base 21 to move in the opposite direction, causing the clamping plate 22 to reset. The annular guide rail conveyor line 30 continues to transport the unloaded clamping assembly 40 to the upper hanging station. The transfer mechanism 50 drives the electric clamp 56 to reset and move to the upper hanging station. The crepe drive motor 13 is restarted, and the wet crepe film 70 is transported downward through the roller 12. The entire process of automated cutting, clamping, transfer and hanging of the wet crepe film 70 is repeated.

[0040] In this application, the transfer mechanism implements the screw module drive control for the longitudinal, lateral, and vertical three-dimensional displacement of the clamping component 40; the stroke control for the lateral translation of the cutting component driven by the translation component; the extension and retraction stroke control of each electric push rod; the cyclic conveying start / stop and station positioning control of the circular guide rail conveyor line 30; and the opening and closing control of each electric clamp 56, and the action sequence control of the clamping plate 22 and the cutter 24. These position, stroke, and timing control methods are all conventional and mature existing technologies in the field of natural rubber processing and conveying equipment. The stroke limit, fixed-point start / stop, precise alignment logic, and electrical linkage program of the relevant drive components do not need to be detailed in this application. The core improvement of this application lies in the mechanical cooperation structure of each functional component. The aforementioned general electrical control and stroke positioning methods can be directly implemented using existing mature solutions. Those skilled in the art, combined with common knowledge, can fully realize the precise station position control of the entire machine.

[0041] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A crepe sheet conveying system for a natural rubber multi-roller crepe machine, characterized in that, include: Multi-roller crepe machine (10); The cutting and feeding mechanism (20) includes a cutting component and a translation component. The cutting component is used to cut the wet crepe film (70) produced by the multi-roller crepe machine (10), and the translation component is used to move the cut wet crepe film (70) from the cutting station to the gripping station. A circulating conveying device, wherein several clamping components (40) are detachably assembled on the circulating conveying device, and the circulating conveying device is used to transport the clamping components (40) to the upper hanging station under no-load conditions; The transfer mechanism (50) is detachably connected to the clamping assembly (40). The transfer mechanism (50) can remove the empty clamping assembly (40) from the circulating conveying equipment at the upper hanging station and transfer it to the gripping station. The clamping assembly (40) holds the wet crepe film (70) at the gripping station. Hanger (60) is used to carry and hang a clamping assembly (40) that holds a wet crepe film (70). After the clamping assembly (40) holds the wet crepe film (70), the transfer mechanism (50) can transfer the clamping assembly (40) and hang it on the hanger (60).

2. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 1, characterized in that, The multi-roller crepe machine (10) includes a first frame (11), multiple pairs of rollers (12) and a crepe drive. The multiple pairs of rollers (12) are rotatably mounted on the first frame (11) and arranged vertically in sequence. Two rollers (12) in each pair of rollers (12) are arranged horizontally. Along the conveying direction of the wet crepe film (70), the diameter of each pair of rollers (12) decreases sequentially, and the gap between the two rollers (12) in the same pair gradually narrows. The crepe drive is connected to the rollers (12) and is used to drive the two rollers (12) in the same pair to rotate in opposite directions.

3. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 1, characterized in that, The cutting assembly includes a base (21), two clamping plates (22), a clamping drive, a cutter (24), and a cutting drive. The two clamping plates (22) are slidably mounted on the base (21). The clamping drive is used to drive the two clamping plates (22) to slide towards each other to clamp and position the wet crepe film (70) produced by the multi-roller crepe machine (10). The cutter (24) is slidably mounted on the base (21) and located on one side of the clamping plates (22). The cutting drive is used to drive the cutter (24) to move horizontally to cut the wet crepe film (70) after clamping and positioning. The translation assembly is connected to the base (21).

4. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 3, characterized in that, The translation component includes a second frame (26) and a lateral translation drive. The second frame (26) is provided with a lateral guide rail 261. The base (21) is slidably disposed on the lateral guide rail 261. The lateral translation drive is connected to the base (21) and is used to drive the base (21) to translate laterally.

5. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 3, characterized in that, Of the two clamping plates (22), the clamping plate (22) that is farther away from the cutter (24) is higher than the other clamping plate (22). A relief groove (221) is provided on the part of the higher clamping plate (22). The relief groove (221) is positioned opposite to the blade of the cutter (24) so ​​that the cutter (24) can extend into it to avoid it when cutting.

6. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 3, characterized in that, The clamping assembly (40) includes a hanger (41), two clamping blocks (42), a clamping spring (43), and a limiting component. The hanger (41) is detachably assembled with the circulating conveying device. The two clamping blocks (42) are slidably mounted on the hanger (41). Each clamping block (42) is provided with multiple downward-extending claws (421). The clamping spring (43) is mounted on the hanger (41) and is used to drive the two clamping blocks (42) to move towards each other so that the claws (421) can grip the wet crepe film (70). The limiting component is mounted on the hanger (41) and is used to limit and lock the clamping blocks (42) when the two clamping blocks (42) are opened in opposite directions, so as to maintain the open state of the clamping blocks (42) to grip the wet crepe film (70).

7. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 6, characterized in that, The multiple jaws (421) on each of the clamping blocks (42) are arranged at intervals. The clamping plate (22) has multiple notches (222), and each notch (222) corresponds to a jaw (421) to avoid the jaw (421) when the jaw (421) is gripping the wet crepe film (70).

8. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 6, characterized in that, The limiting component includes a linkage gear (44), a limiting block (45), and a limiting spring (46). The linkage gear (44) is rotatably mounted on the hanger (41). Two clamping blocks (42) are respectively fixed with racks (425) that mesh with the linkage gear (44). The clamping blocks (42) are provided with horizontally extending cross plates (423). The cross plates (423) are provided with locking grooves (424). The limiting block (45) is vertically slidably mounted on the hanger (41). The locking tongue (451) is formed. The limiting spring (46) is used to drive the limiting block (45) to move down so that the locking tongue (451) engages with the locking groove (424). The limiting block (45) is provided with a locking post (452). The clamping plate (22) is provided with a boss (223). When the hanging seat (41) moves down, the locking post (452) can abut against the boss (223) to drive the limiting block (45) to move up relative to the hanging seat (41) so that the locking tongue (451) disengages from the locking groove (424).

9. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 6, characterized in that, The transfer mechanism (50) includes a third frame (51), a longitudinal drive, a transverse drive, a vertical drive, and an electric clamp (56). The longitudinal drive is mounted on the third frame (51). The longitudinal drive is connected to the transverse drive to drive the transverse drive to move longitudinally. The transverse drive is connected to the vertical drive to drive the vertical drive to move laterally. The vertical drive is connected to the electric clamp (56) to drive the electric clamp (56) to move vertically. The electric clamp (56) is used to clamp the hanger (41).

10. The crepe sheet conveying system of a natural rubber multi-roller crepe machine according to claim 9, characterized in that, The clamping assembly (40) further includes a release pin block (47) and a locking spring (48). The circulating conveying device is a ring-shaped guide rail conveyor line (30). The slide carrier (31) of the ring-shaped guide rail conveyor line (30) is provided with a docking groove (311). The inner wall of the docking groove (311) is provided with a pin hole (312). The hanger (41) is provided with a connector (412) that can be inserted into the docking groove (311). The hanger (41) is provided with positioning grooves (413) on both sides. The release pin block (47) is slidably disposed in the positioning groove (413). The device is provided with a locking pin (472) that slides through the connector (412) and can be inserted into the pin hole (312). The locking spring (48) is used to push the locking pin (472) into the pin hole (312). The electric clamp (56) can hold the hanger (41) through its clamping fingers (561). The clamping fingers (561) are provided with a positioning block (562) that can be engaged with the positioning groove (413). When the positioning block (562) is engaged with the positioning groove (413), it can push the disengaging pin block (47) to drive the locking pin (472) out of the pin hole (312).

Images