Longitudinal tine belt surface mulch harvester

Abstract

The application discloses a longitudinal nail-tooth belt type surface mulching film recycling machine and relates to the technical field of mulching film recycling.The longitudinal nail-tooth belt type surface mulching film recycling machine comprises a device frame body driven by a tractor, a film starting device fixed on the device frame body, a foreign matter removing device fixed on one side of the film starting device, a collecting device fixed on the side, far away from the foreign matter removing device, of the film starting device and a crushing device fixed on the side, far away from the film starting device, of the foreign matter removing device.The longitudinal nail-tooth belt type surface mulching film recycling machine can adapt to complex terrains and mulching film states, efficiently separate foreign matters, reduce equipment loss and improve the recycling rate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mulch film recycling, more particularly to a longitudinal tine belt type surface mulch film recycling machine. BACKGROUND

[0002] In current agricultural mulch film recycling operations, traditional recycling equipment mostly adopts a single-layer roller structure, which has problems such as insufficient power due to concentrated stress on a single roller, mulch winding and blockage, poor adaptability to different thicknesses or terrains, and poor impurity separation effect, and mulch fragments are easily left in the equipment, resulting in low recycling rate and high maintenance cost. In addition, crop residues such as straw are not effectively treated, affecting the efficiency of subsequent operations and the soil environment. There is an urgent need for a surface mulch film recycling device that can adapt to complex terrain and mulch conditions, efficiently separate impurities, reduce equipment wear and tear, and improve recycling rate. Therefore, it is necessary to provide a longitudinal tine belt type surface mulch film recycling machine to solve the problems raised in the background. SUMMARY

[0003] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a longitudinal tine belt type surface mulch film recycling machine, comprising:

[0004] The equipment frame is driven by a tractor.

[0005] The film lifting device is fixed on the equipment frame.

[0006] The impurity removal device is fixed on one side of the film lifting device.

[0007] The collection device is fixed on the side of the film lifting device away from the impurity removal device.

[0008] The crushing device is fixed on the side of the impurity removal device away from the film lifting device.

[0009] Further, as a preferred embodiment, the film lifting device comprises:

[0010] The drive roller is rotatably arranged at the lower part of the equipment frame adjacent to the ground surface.

[0011] The driven roller assembly is rotatably arranged directly above the drive roller.

[0012] The adjusting roller assembly is rotatably arranged obliquely above the driven roller assembly, corresponding to the collection device, and has the same structure as the driven roller assembly.

[0013] The fixed adjusting assembly is fixed in the adjusting roller assembly.

[0014] The first comb assembly is sleeved on the drive roller, the driven roller assembly and the adjusting roller assembly.

[0015] The second comb assembly is arranged at intervals with the first comb assembly and has the same structure.

[0016] The comb plate is retractable and positioned below the comb assembly, corresponding to the comb assembly.

[0017] Furthermore, preferably, the driven roller assembly is provided with a rotating shaft, and a plurality of first roller groups and second roller groups fixed at intervals on the rotating shaft, wherein the roller diameter of the second roller group is smaller than the roller diameter of the first roller group.

[0018] Furthermore, preferably, the fixing adjustment component includes:

[0019] A fixed shaft passes through the center of the rotating shaft in the adjusting roller assembly and is fixedly connected to the equipment frame.

[0020] Multiple irregularly shaped slide rails are arranged in a straight line along a fixed axis, respectively corresponding to the first roller group and the second roller group, and the irregularly shaped slide rail corresponding to the second roller group is smaller than the irregularly shaped slide rail corresponding to the first roller group.

[0021] Multiple drive shafts are arranged in a ring, slidably mounted on irregularly shaped slide rails, and slidably connected to the corresponding roller groups;

[0022] The return spring is sleeved on the push shaft and located between the inner wall of the irregular slide rail and the roller assembly.

[0023] Furthermore, as a preferred embodiment, the irregularly shaped slide rail consists of a convex slide rail and a concave slide rail, with the convex slide rail corresponding to the contact area between the comb assembly and the roller assembly.

[0024] Furthermore, as a preferred embodiment, the first comb assembly includes a rigid conveyor belt sleeved on the first roller assembly, and the rigid conveyor belt is provided with a plurality of comb mechanisms, the comb mechanisms corresponding to the fixed adjustment assembly.

[0025] Furthermore, preferably, the comb mechanism includes:

[0026] The comb-shaped components are fixed on a rigid conveyor belt;

[0027] The push channel is located at the center of the comb teeth, and a moving part is provided at the bottom of the push channel, with a compression spring inside.

[0028] The cleaning plate is fixed to both sides of the moving part by connectors and is slidably connected to the side of the comb tooth.

[0029] Furthermore, preferably, the impurity removal device includes:

[0030] The conveying mechanism is fixed to the equipment frame;

[0031] The conveyor belt is mounted on the conveying mechanism, and the conveying direction is perpendicular to the moving direction of the equipment frame.

[0032] The card column is distributed with multiple groups in the conveying direction, each group is provided with multiple, and is fixed on the conveying belt.

[0033] Further, as preferred, the collecting device comprises:

[0034] The collection transfer channel is fixed on the equipment frame body and corresponds to the driven roller assembly;

[0035] The separation groove is fixed on the end adjacent to the collection transfer channel and the driven roller assembly, and corresponds to the first comb assembly and the second comb assembly respectively;

[0036] The packaging cavity is fixed on the equipment frame body and is located below the collection transfer channel.

[0037] Further, as preferred, the crushing device comprises:

[0038] The cutting roller is rotationally arranged at the front end of the equipment frame body moving direction;

[0039] The cutting comb blade is fixed on the cutting roller;

[0040] The fixed blade is fixed on the outer shell of the crushing device and corresponds to the cutting comb blade;

[0041] The conveying auger mechanism is rotationally arranged obliquely above the cutting roller, and the helices at both ends are opposite.

[0042] Compared with the prior art, the beneficial effects of the present application are:

[0043] In the present application, through the double-roller structure design of the driven roller assembly and the adjusting roller assembly, the risk of local overload of single-layer rollers is reduced, the power distribution is balanced, the equipment failure rate is reduced, and the service life is prolonged;

[0044] Through the two-stage staggered comb layout of the first comb assembly and the second comb assembly, the synergistic effect of preliminary film picking and secondary carding is realized, and the adaptability to films of different thicknesses and states is improved;

[0045] Through the linkage design of the special-shaped slide rail and the push shaft in the fixed adjusting assembly, the cleaning plate inside the comb mechanism reciprocates, automatically removes the wrapped film fragments on the comb parts, avoids blockage, and improves the continuity of recycling;

[0046] Through the speed control of the rigid conveying belt in the film lifting device and the design of the conveying belt clamping column in the impurity removal device, the inertial separation of soil blocks and impurities is realized, the connected soil blocks are forcibly removed, and efficient separation of the film and impurities is realized;

[0047] Through the cooperation of the separation groove and the packaging cavity in the collecting device, the film fragments are completely cleaned and recycled, and the influence of residues on subsequent operations is avoided;

[0048] Through the coordinated cutting of the cutting roller and fixed blade in the crushing device, combined with the bidirectional conveying auger mechanism, the straw is fully crushed and evenly returned to the field, thereby improving the soil organic matter content and resource utilization rate. Attached Figure Description

[0049] Figure 1 This is a schematic diagram of the overall structure of a longitudinal spiked belt type surface mulch film recycling machine.

[0050] Figure 2 This is a schematic diagram of the film-forming device.

[0051] Figure 3 This is a schematic diagram of the driven roller assembly and the regulating roller assembly.

[0052] Figure 4 Schematic diagram of the fixed adjustment component structure Figure 1 ;

[0053] Figure 5 Schematic diagram of the fixed adjustment component structure Figure 2 ;

[0054] Figure 6 This is a schematic diagram of the impurity removal device.

[0055] Figure 7 A schematic diagram of the collecting device and comb assembly;

[0056] Figure 8 This is a schematic diagram of the comb mechanism.

[0057] Figure 9 This is a schematic diagram of the crushing device.

[0058] Figure 10 Schematic diagram of the operation of the film-forming device and the impurity removal device. Figure 1 ;

[0059] Figure 11 Schematic diagram of the operation of the film-forming device and the impurity removal device. Figure 2 ;

[0060] In the figure: 1, equipment frame body; 2, film stripping device; 3, impurity removing device; 4, collecting device; 5, crushing device; 21, driving roller; 22, driven roller assembly; 23, adjusting roller assembly; 24, fixed adjusting assembly; 25, first comb assembly; 26, second comb assembly; 27, recycling comb plate; 31, conveying mechanism; 32, conveying belt; 33, clamping column; 41, collecting and transferring channel; 42, separation groove; 43, packaging cavity; 51, cutting roller; 52, cutting comb blade; 53, fixed blade; 54, conveying auger mechanism; 221, first roller group; 222, second roller group; 223, rotating shaft; 241, fixed shaft; 242, special-shaped slide rail; 243, pushing shaft; 244, return spring; 251, rigid conveying belt; 252, comb mechanism; 2521, comb piece; 2522, pushing channel; 2523, compression spring; 2524, moving piece; 2525, cleaning plate. DETAILED DESCRIPTION

[0061] Please refer to Figures 1-11 In the embodiment of the present application, the longitudinal tine belt type surface mulch film recycling machine comprises:

[0062] The equipment frame body 1 is driven by a tractor;

[0063] The film stripping device 2 is fixed on the equipment frame body 1;

[0064] The impurity removing device 3 is fixed on one side of the film stripping device 2;

[0065] The collecting device 4 is fixed on the side of the film stripping device 2 away from the impurity removing device 3;

[0066] The crushing device 5 is fixed on the side of the impurity removing device 3 away from the film stripping device 2.

[0067] In the embodiment, the film stripping device 2 comprises:

[0068] The driving roller 21 is rotationally arranged at the lower part of the equipment frame body 1 adjacent to the land surface;

[0069] The driven roller assembly 22 is rotationally arranged directly above the driving roller 21;

[0070] The adjusting roller assembly 23 is rotationally arranged obliquely above the driven roller assembly 22, corresponding to the collecting device 4, and has the same structure as the driven roller assembly 22;

[0071] The fixed adjusting assembly 24 is fixed in the adjusting roller assembly 23;

[0072] The first comb assembly 25 is sleeved on the driving roller 21, the driven roller assembly 22 and the adjusting roller assembly 23;

[0073] The second comb assembly 26 is spaced apart from the first comb assembly 25 and has the same structure.

[0074] The recycling comb plate 27 is arranged below the comb assembly and corresponds to the comb assembly.

[0075] That is, when the tractor drives the equipment frame 1 to move, the driving roller 21 and the adjusting roller assembly 23 rotate, the driven roller assembly 22 rotates under the action of the comb assembly, the first comb assembly 25 and the second comb assembly 26 rotate on the driving roller 21, the driven roller assembly 22 and the adjusting roller assembly 23, the film is separated and lifted, the two-stage comb assembly and the multi-roller combination design can better adapt to different thickness and state of the film and different crop terrain conditions, the double rollers of the driven roller assembly 22 and the adjusting roller assembly 23 effectively reduce the stress of the single roller and reduce the problem of insufficient power of the short shaft caused by local overload, reduce the maintenance cost, the recycling comb plate 27 collects the small pieces of film falling during the film stripping process and rehangs the film on the comb assembly through the recycling comb plate 27, reenters the recycling process, and improves the film recycling rate.

[0076] In the embodiment, the driven roller assembly 22 is provided with a rotating shaft 223, and a plurality of first roller groups 221 and second roller groups 222 are sequentially and fixedly arranged on the rotating shaft 223, and the roller diameter of the second roller group 222 is smaller than that of the first roller group 221.

[0077] That is, the driven roller assembly 22 and the adjusting roller assembly 23 are provided with corresponding first roller groups 221 and second roller groups 222, the first roller group 221 corresponds to the first comb assembly 25, and the second roller group 222 corresponds to the second comb assembly 26. Since the roller diameter of the second roller group 222 is smaller than that of the first roller group 221, the first comb assembly 25 and the second comb assembly 26 are arranged in a staggered manner, the first comb assembly 25 is responsible for preliminary film picking, and the second comb assembly 26 is responsible for secondary combing, forming a stepped film lifting effect.

[0078] In the embodiment, the fixed adjusting assembly 24 includes:

[0079] The fixed shaft 241 penetrates the center of the rotating shaft 223 of the adjusting roller assembly 23 and is fixedly connected with the equipment frame 1;

[0080] The special-shaped sliding rails 242 are linearly distributed along the fixed shaft 241 and correspond to the first roller groups 221 and the second roller groups 222, respectively, and the special-shaped sliding rail 242 corresponding to the second roller group 222 is smaller in specification than the special-shaped sliding rail 242 corresponding to the first roller group 221;

[0081] The pushing shaft 243 is arranged in a plurality of annular distribution, slidingly arranged on the special-shaped slide rail 242, and slidingly connected with the corresponding roller group;

[0082] The reset spring 244 is sleeved on the pushing shaft 243, and located between the special-shaped slide rail 242 and the inner wall of the roller group.

[0083] In the embodiment, the special-shaped slide rail 242 is composed of a convex slide rail and a concave slide rail, and the convex slide rail corresponds to the mutual contact part of the comb assembly and the roller assembly.

[0084] That is, when the rotating shaft 223 in the adjusting roller assembly 23 drives the first roller group 221 and the second roller group 222 to rotate, the plurality of pushing shafts 243 are simultaneously driven to slide on the special-shaped slide rail 242, and when the pushing shaft 243 moves to the mutual contact part of the comb assembly and the roller assembly, that is, the pushing shaft 243 slides to the position of the convex slide rail, the pushing shaft 243 is pushed out to the outside of the roller group under the action of the convex slide rail, and the reset spring 244 is compressed. In the process of continuous rotation, the pushing shaft 243 moves to the position of the concave slide rail, the concave slide rail pulls the pushing shaft 243 back, and the reset spring 244 resets to assist the pushing shaft 243 to retract to the inside of the roller group, and the above process is repeated.

[0085] In the embodiment, the first comb assembly 25 includes a rigid conveying belt 251 sleeved on the first roller group 221, and a plurality of comb mechanisms 252 are arranged on the rigid conveying belt 251, and the comb mechanisms 252 correspond to the fixed adjusting assembly 24.

[0086] That is, when the rigid conveying belt 251 drives the comb mechanisms 252 to move to the roller group in the adjusting roller assembly 23, the comb mechanisms 252 correspond to the pushing shaft 243 inside the roller group.

[0087] In the embodiment, the comb mechanism 252 includes:

[0088] The comb piece 2521 is fixed on the rigid conveying belt 251;

[0089] The pushing channel 2522 is arranged in the inner center of the comb piece 2521, the moving piece 2524 is arranged at the bottom of the pushing channel 2522, and the compression spring 2523 is arranged in the inside;

[0090] The cleaning plate 2525 is fixed on both sides of the moving piece 2524 through the connecting piece, and slidingly connected with the side of the comb piece 2521.

[0091] That is, when the comb mechanism 252 rotates to the roller group in the adjusting roller assembly 23, the pushing shaft 243 inside the roller group is connected with the moving piece 2524 at the bottom of the comb mechanism 252, and then the pushing shaft 243 continuously moves on the outer convex slide rail, the pushing shaft 243 is stretched out, moves the channel 2522 inside the comb piece 2521 through the moving piece 2524, compresses the compression spring 2523, and simultaneously moves the two cleaning plates 2525 through the connecting piece, cleans the mulch on the comb piece 2521, and is conveyed to the collecting device 4, so as to prevent part of the mulch fragments from winding on the comb piece 2521, affecting the subsequent mulch cleaning efficiency. When the pushing shaft 243 slides on the inner concave slide rail, the pushing shaft 243 is gradually retracted, and under the rebounding action of the compression spring 2523, the moving piece 2524 and the cleaning plate 2525 are moved to reset, the pushing shaft 243 is separated from the comb piece 2521, and simultaneously the comb piece 2521 and the rigid conveying belt 251 are separated from the roller group on the adjusting roller assembly 23. It should be noted that the first roller group 221 and the second roller group 222 are both provided with corresponding fixed adjusting assemblies 24 for adjusting the first comb assembly 25 and the second comb assembly 26 corresponding thereto, and removing the mulch fragments on the comb piece 2521.

[0092] In the embodiment, the impurity removing device 3 comprises:

[0093] The conveying mechanism 31 is fixed on the equipment rack body 1.

[0094] The conveying belt 32 is sleeved on the conveying mechanism 31, and the conveying direction is perpendicular to the moving direction of the equipment rack body 1.

[0095] The clamping columns 33 are distributed in groups along the conveying direction, each group is provided with a plurality of clamping columns, and the clamping columns are fixed on the conveying belt 32.

[0096] That is, after the impurities and the mulch are picked up by the comb mechanism 252, the impurities and the mulch are mixed. At this time, due to the different characteristics of the mulch, the impurities and the straw materials, the rigid conveying belt 251 has a certain speed, the impurities such as soil blocks are thrown off from the comb piece 2521 due to the action of centrifugal inertia, the impurities are caused to fall on the conveying belt 32 by controlling the speed of the rigid conveying belt 251, the soil block separation is realized, and the soil blocks are sent out of the equipment by the conveying belt 32 and returned to the field. Part of the soil blocks and the large pieces of mulch are connected, the soil blocks cannot be smoothly discharged on the conveying belt 32, the soil blocks are clamped by the clamping columns 33, the soil blocks are forced to be discharged with the conveying belt 32, and the soil blocks are separated from the mulch. The clamping column 33 is an inverted flat head bolt.

[0097] In the embodiment, the collecting device 4 comprises:

[0098] The collecting and transferring channel 41 is fixed on the equipment rack body 1 and corresponds to the driven roller assembly 22.

[0099] The separation groove 42 is fixed at one end of the collection and transfer channel 41 adjacent to the driven roller assembly 22, and corresponds to the first comb assembly 25 and the second comb assembly 26 respectively;

[0100] The packaging chamber 43 is fixed on the equipment frame 1 and located below the collection and transfer channel 41.

[0101] In other words, when the adjusting roller assembly 23 drives the comb assembly to rotate to the collection and transfer channel 41, the comb tooth 2521 corresponds to the separation groove 42. The plastic film fragments on the comb tooth 2521 are separated through the separation groove 42. At the same time, the cleaning plate 2525 moves on both sides of the comb tooth 2521 to assist in cleaning the plastic film fragments, so as to prevent the plastic film fragments from accumulating in the separation groove 42 and affecting subsequent cleaning. The width of the separation groove 42 is greater than the sum of the widths of the comb tooth 2521 and the cleaning plates 2525 on both sides, so as to ensure that the comb tooth 2521 passes smoothly through the separation groove 42 and completely cleans the plastic film fragments. The cleaned plastic film fragments are transported to the packaging chamber 43 for unified recycling.

[0102] In this embodiment, the pulverizing device 5 includes:

[0103] The cutting roller 51 is rotatably positioned at the front end of the equipment frame 1 in the direction of movement;

[0104] The cutting comb blade 52 is fixed on the cutting roller 51;

[0105] The fixed blade 53 is fixed on the outer housing of the crushing device 5 and corresponds to the cutting comb blade 52;

[0106] The conveying auger mechanism 54 is rotatably positioned above the cutting roller 51 at an angle, with the spirals at both ends facing opposite directions.

[0107] In other words, driven by the cutting roller 51, the fixed blade 53 and the cutting comb blade 52 work together to cut and crush the straw multiple times, ensuring that the straw is fully crushed. The separate bidirectional cutting comb blade 52 and the fixed blade 53 can more efficiently fix and cut the straw. The conveying auger mechanism 54 is used to evenly output the crushed straw from both sides to the field. The auger design can ensure that the straw will not be blocked during the conveying process and can be evenly distributed on the soil surface, thereby improving the straw decomposition speed and waste utilization rate.

[0108] In specific implementation, first, when the trailer drives the equipment frame body 1 to move, the driving roller 21 and the adjusting roller assembly 23 rotate, under the action of the comb assembly, the driven roller assembly 22 rotates, and the first comb assembly 25 and the second comb assembly 26 rotate on the driving roller 21, the driven roller assembly 22 and the adjusting roller assembly 23, the mulch is separated and lifted by the comb mechanism 252, and then the impurities and the mulch are lifted by the comb mechanism 252, the impurities and the mulch are mixed, at this time, due to the different characteristics of the mulch, the impurities and the straw materials, the rigid conveyor belt 251 has a certain speed, the impurities such as soil blocks are thrown off from the comb piece 2521 due to the action of centrifugal inertia, the speed of the rigid conveyor belt 251 is controlled to make the impurities fall into the conveyor belt 32, the soil blocks are separated and sent out of the device by the conveyor belt 32, and the soil blocks are returned to the field, when the comb mechanism 252 rotates to the roller set in the adjusting roller assembly 23, the pushing shaft 243 in the roller set is connected with the moving piece 2524 at the bottom of the comb mechanism 252, and then the pushing shaft 243 continuously moves on the outer convex slide rail, when the comb piece 2521 rotates to the collection and transfer channel 41, the comb piece 2521 corresponds to the corresponding separation groove 42, the mulch pieces on the comb piece 2521 are separated through the separation groove 42, the pushing shaft 243 is stretched out under the action of the outer convex rail, the moving piece 2524 moves to the inside of the comb piece 2521 through the pushing channel 2522, the compression spring 2523 is compressed, the connecting piece drives the two cleaning plates 2525 to move, the mulch pieces are cleaned, the mulch pieces are prevented from accumulating in the separation groove 42, the subsequent cleaning is affected, the width of the separation groove 42 is greater than the sum of the width of the comb piece 2521 and the two cleaning plates 2525, the comb piece 2521 smoothly passes through the separation groove 42, and the mulch pieces are completely cleaned, the mulch pieces are transported to the packing cavity 43 for unified recycling, when the rigid conveyor belt 251 drives the comb piece 2521 to be about to separate from the roller set, the pushing shaft 243 slides to the inner concave slide rail, the pushing shaft 243 is gradually retracted, and under the rebound action of the compression spring 2523, the moving piece 2524 and the cleaning plate 2525 are moved and reset, the pushing shaft 243 is separated from the comb piece 2521, when the comb assembly recycles the mulch, the recycling comb plate 27 collects the small pieces of mulch falling in the demolding process and hangs the mulch on the comb assembly again through the recycling comb plate 27, reenters the recycling process, improves the mulch recycling rate, and in addition, the crushing device 5 is provided, the fixed blade 53 and the cutting comb blade 52 are cooperated through the cutting roller 51, the straw is cut and crushed for multiple times, the straw is ensured to be fully crushed, the conveying auger mechanism 54 is used to uniformly output the crushed straw from both sides to the field, the decomposition speed of the straw is effectively improved, and the waste utilization rate is improved.

[0109] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A longitudinal spiked belt type surface mulch film recycling machine, characterized in that: include: The equipment frame (1) is driven by a tractor. Film-forming device (2) is fixed on the equipment frame (1); The impurity removal device (3) is fixed to one side of the film-forming device (2); The collecting device (4) is fixed on the side of the film-forming device (2) away from the impurity removal device (3); The pulverizing device (5) is fixed on the side of the impurity removal device (3) away from the film-forming device (2); The film-forming device (2) includes: The drive roller (21) is rotatably mounted on the lower part of the equipment frame (1), adjacent to the ground surface; The driven roller assembly (22) is rotatably positioned directly above the drive roller (21); The adjusting roller assembly (23) is rotatably positioned above the driven roller assembly (22), corresponding to the collecting device (4), and has the same structure as the driven roller assembly (22); The fixed adjustment component (24) is fixed inside the adjustment roller assembly (23); The first comb assembly (25) is sleeved on the drive roller (21), the driven roller assembly (22) and the adjusting roller assembly (23); The second comb tooth assembly (26) is spaced apart from the first comb tooth assembly (25) and has the same structure; The comb tooth plate (27) is disposed below the comb tooth assembly and corresponds to the comb tooth assembly; The driven roller assembly (22) is provided with a rotating shaft (223) and multiple sets of first roller groups (221) and second roller groups (222) fixed at intervals on the rotating shaft (223), and the roller diameter of the second roller group (222) is smaller than the roller diameter of the first roller group (221); The fixed adjustment assembly (24) includes: The fixed shaft (241) passes through the center of the rotating shaft (223) in the adjusting roller assembly (23) and is fixedly connected to the equipment frame (1); Multiple irregular slide rails (242) are arranged in a straight line along the fixed axis (241), respectively corresponding to the first roller group (221) and the second roller group (222), and the specifications of the irregular slide rail (242) corresponding to the second roller group (222) are smaller than those of the irregular slide rail (242) corresponding to the first roller group (221). Multiple push shafts (243) are arranged in a ring and are slidably mounted on the irregular slide rail (242) and slidably connected to the corresponding roller group; The return spring (244) is sleeved on the push shaft (243) and located between the irregular slide rail (242) and the inner wall of the roller assembly.

2. The longitudinal spiked belt surface mulch film recycling machine according to claim 1, characterized in that: The irregular slide rail (242) consists of a convex slide rail and a concave slide rail. The position of the convex slide rail is the contact part between the comb assembly and the roller assembly.

3. The longitudinal spiked belt surface mulch film recycling machine according to claim 1, characterized in that: The first comb assembly (25) includes a rigid conveyor belt (251) sleeved on the first roller assembly (221), and the rigid conveyor belt (251) is provided with a plurality of comb mechanisms (252), which correspond to the fixed adjustment assembly (24).

4. The longitudinal spiked belt surface mulch film recycling machine according to claim 3, characterized in that: The comb mechanism (252) includes: The comb tooth (2521) is fixed on the rigid conveyor belt (251); The push channel (2522) is located at the center of the comb tooth (2521), and a moving part (2524) is provided at the bottom of the push channel (2522), with a compression spring (2523) inside. The cleaning plate (2525) is fixed to both sides of the moving part (2524) by the connector and is slidably connected to the side of the comb part (2521).

5. The longitudinal spiked belt surface mulch film recycling machine according to claim 1, characterized in that: The collecting device (4) includes: The collection and transfer channel (41) is fixed on the equipment frame (1) and corresponds to the driven roller assembly (22); The separation groove (42) is fixed at one end of the collection and transfer channel (41) adjacent to the driven roller assembly (22), and corresponds to the first comb assembly (25) and the second comb assembly (26) respectively; The packaging chamber (43) is fixed on the equipment frame (1) and located below the collection and transfer channel (41).

6. The longitudinal spiked belt surface mulch film recycling machine according to claim 1, characterized in that: The impurity removal device (3) includes: The conveying mechanism (31) is fixed on the equipment frame (1); The conveyor belt (32) is mounted on the conveying mechanism (31), and the conveying direction is perpendicular to the moving direction of the equipment frame (1). Multiple sets of card posts (33) are distributed along the conveying direction, with multiple posts in each set, and are fixed on the conveyor belt (32).

7. The longitudinal spiked belt surface mulch film recycling machine according to claim 1, characterized in that: The pulverizing device (5) includes: The cutting roller (51) is rotatably set at the front end of the equipment frame (1) in the direction of movement; The cutting comb blade (52) is fixed on the cutting roller (51); The fixed blade (53) is fixed on the outer housing of the crushing device (5) and corresponds to the cutting comb blade (52); The conveying auger mechanism (54) is rotatably positioned above the cutting roller (51), with the spirals at both ends facing opposite directions.

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