CN220140088U - Straw crushing returning and residual film recycling integrated machine - Google Patents

Abstract

The utility model discloses a straw smashing, returning and residual film recycling integrated machine, which relates to the technical field of farmland residual film recycling and comprises a frame, a threshing mechanism, an edge film lifting mechanism, a impurity removing mechanism, a picking-up mechanism, a film removing mechanism and a packaging mechanism, wherein the threshing mechanism, the edge film lifting mechanism, the impurity removing mechanism, the picking-up mechanism, the film removing mechanism and the packaging mechanism are sequentially arranged on the frame, the edge film lifting mechanism is positioned on two sides of the frame, the picking-up mechanism is rotationally connected with the frame and is used for picking up residual films, the impurity removing mechanism is positioned in front of the picking-up mechanism and is used for receiving film surface impurities thrown up in the rotation process of the picking-up mechanism, the film removing mechanism is rotationally arranged on the frame and is positioned obliquely above the picking-up mechanism, a film picking-up mechanism is further arranged on the frame corresponding to the position behind the picking-up mechanism, and the lower end of the film picking-up mechanism extends to be close to the picking-up mechanism. The utility model realizes the one-time completion of the operations of cutting up crop straws and returning to the field, picking up residual films, removing impurities, removing films and packaging, and has the advantages of simple structure, high recovery rate of the residual films and low impurity content of the recovered residual films.

Description

Straw crushing returning and residual film recycling integrated machine

Technical Field

The utility model relates to the technical field of farmland residual film recovery, in particular to a straw crushing and returning and residual film recovery integrated machine.

Background

The farmland plastic film mulching cultivation technology is a measure of mulching the ground surface with an agricultural plastic film, and has the advantages of preserving soil moisture, improving ground temperature and inhibiting weeds. The main agricultural areas of the plastic film mulching cultivation in China are in Xinjiang, inner Mongolia and other areas, and the yield increasing effect is obvious due to drought, water shortage and coldness by adopting the plastic film mulching cultivation technology. The farmland plastic film mulching cultivation in China reaches 3 hundred million mu, and the plastic film mulching cultivation technology promotes the development of agricultural production, but also brings serious residual film pollution.

The domestic farmland residual film recovery technology is mainly concentrated in the process equipment aspects such as picking up, demolding, packaging and the like, most structures are complex, the manufacturing cost is high, the existing residual film recovery machine has single function, and the technical equipment for cutting up and returning the efficient integrated straws combined with the agricultural machinery, the agricultural technology and the agricultural film, picking up the residual film, removing impurities, demolding and packaging combined operation is lacked in the prior art.

Disclosure of Invention

The utility model aims to provide a straw crushing returning and residual film recycling integrated machine, so as to solve the problems in the prior art, realize one-time completion of straw crushing, residual film recycling and packaging operation, and have the advantages of simple structure and high working efficiency.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a straw smashing, returning and residual film recycling integrated machine which comprises a frame, a threshing mechanism, an edge film lifting mechanism, a impurity removing mechanism, a picking mechanism, a film removing mechanism and a packaging mechanism, wherein the threshing mechanism, the edge film lifting mechanism, the impurity removing mechanism, the picking mechanism, the film removing mechanism and the packaging mechanism are sequentially arranged and installed on the frame, the edge film lifting mechanism is located on two sides of the frame, the picking mechanism is rotationally connected with the frame and used for picking up residual films, the impurity removing mechanism is located in front of the picking mechanism and used for receiving film surface impurities thrown up in the rotation process of the picking mechanism, the film removing mechanism is rotationally installed on the frame and located obliquely above the picking mechanism, a film picking mechanism is further installed on the frame at a position corresponding to the rear lower side of the picking mechanism, and the lower end of the film picking mechanism extends to be close to the picking mechanism.

Preferably, the edge membrane lifting mechanism comprises two edge membrane shovels, the two edge membrane shovels are symmetrically arranged below two sides of the frame, and the edge membrane shovels can be inserted into soil.

Preferably, the impurity removing mechanism comprises a bottom plate arranged below the frame, a transmission chain, a driving roller, a driven roller, a tensioning roller and a plurality of scraping plates, wherein the transmission chain, the driving roller, the driven roller, the tensioning roller and the plurality of scraping plates are arranged above the bottom plate; the transmission chain comprises a grid chain and a connecting belt, the grid chain is connected with the connecting belt, and the scraper plate is mounted on the connecting belt.

Preferably, the rotation direction of the film removing mechanism is consistent with that of the pickup mechanism, and the film removing mechanism comprises a cylinder body and film removing plates arranged at different positions on the outer wall of the cylinder body.

Preferably, the pickup mechanism comprises a roller, a plurality of rollers and a plurality of groups of pickup assemblies, the roller is rotatably mounted on the frame, the axis of the roller is perpendicular to the advancing direction of the frame, the rollers encircle to form a roller guide rail, the roller guide rail is fixedly connected with the frame, the length direction of the roller guide rail is consistent with the length direction of the roller, the side wall of the roller is provided with a stretching hole corresponding to each pickup assembly, each pickup assembly is movably mounted at different positions of the length direction of the roller guide rail, the cross section of the roller guide rail is provided with a first arc section on one side close to the demolding mechanism, a second arc section on one side far away from the demolding mechanism, the first arc section and the second arc section are sequentially connected end to end, and the distance between the first arc section and the inner wall of the roller is greater than the distance between the second arc section and the inner wall of the roller.

Preferably, the pickup assembly comprises a plurality of pickup units, the positions on the side wall of the roller corresponding to the pickup units are provided with the extending holes, the pickup units are arranged around the circumference of the roller guide rail, each pickup unit is hinged with a trapezoid slider, the trapezoid slider is slidably mounted on the roller guide rail, the long bottom edge of the trapezoid slider is close to the inner side wall of the roller, the short bottom edge of the trapezoid slider is close to the central shaft of the roller, and when the roller drives each pickup unit to rotate, the pickup units can extend or retract through the extending holes.

Preferably, a plurality of limiting plates are arranged in the roller along the axial direction of the roller, special-shaped holes are formed in the limiting plates corresponding to the positions of the pickup units, and flanges are arranged on the inner rings of the special-shaped holes; the pick-up unit comprises a rocker, a connecting rod, a tooth holder and pick-up teeth, one end of the connecting rod is hinged to the trapezoid sliding block, the other end of the connecting rod is connected with a tooth shaft, the tooth holder is mounted on the tooth shaft, one end of the rocker is hinged to the inner wall of the roller, the other end of the rocker is connected with the tooth shaft, the pick-up teeth are mounted on the tooth holder, one end of the tooth holder penetrates through the special-shaped hole, and the special-shaped hole is used for restraining the movement stroke of the tooth holder.

Preferably, the long bottom edge of the trapezoidal sliding block and the short bottom edge of the trapezoidal sliding block are in two opposite arcs, and two ends of the long bottom edge of the trapezoidal sliding block and two ends of the short bottom edge of the trapezoidal sliding block extend to one side far away from the waist of the trapezoidal sliding block.

Preferably, the film picking mechanism comprises a supporting rod and a plurality of arc spring teeth, the supporting rod is installed on the frame, the arc spring teeth are sequentially arranged along the length direction of the supporting rod, one end of each arc spring tooth is installed on the supporting rod, the other end of each arc spring tooth extends towards the lower side of the picking mechanism, and each two adjacent pick-up assemblies correspond to one arc spring tooth.

Preferably, the ground wheel is further provided with a hydraulic mechanism, the hydraulic mechanism is connected with the ground wheel through a transmission rod, and the hydraulic mechanism is used for driving the ground wheel to contact or separate from the ground.

Compared with the prior art, the utility model has the following technical effects:

the straw smashing and returning and residual film recycling integrated machine provided by the utility model uses a tractor to pull and provide driving force, the edge film lifting mechanism is positioned at two sides of the frame, the edge film lifting mechanism can take out the soil film edge, the residual film picking operation is convenient to develop, the picking mechanism is rotationally connected with the frame and is used for picking up the residual film, the impurity discharging mechanism is positioned in front of the picking mechanism and is used for receiving film surface impurities thrown up in the rotation process of the picking mechanism, further, the impurities are prevented from accumulating at the picking mechanism, the film picking efficiency is influenced, meanwhile, the impurities are effectively cleaned in the picking process, the impurity content of the residual film is reduced, the recycling of the residual film is facilitated, the film stripping mechanism is rotationally arranged on the frame and is positioned obliquely above the picking mechanism, the residual film is further used for acting on the picking mechanism after the residual film is picked up by the picking mechanism, the residual film is sent into a packing mechanism at the rear part, the position on the frame corresponding to the back lower part of the picking mechanism is also provided with the film picking mechanism, the lower end of the picking mechanism extends to be close to the picking mechanism, the residual film which is not cleaned on the picking mechanism, and the residual film is on the picking mechanism, the picking mechanism is recycled, and the residual film is picked up efficiency is improved by using the picking mechanism. The utility model realizes the one-time completion of a plurality of operations such as crushing and returning the crop upright posts to the field, picking up and packing the residual films, and the like, and has simple integral structure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of an integrated machine for crushing and returning straws and recycling residual films;

FIG. 2 is a schematic view of a pickup mechanism according to the present utility model;

FIG. 3 is a schematic view of the roller track and trapezoidal slider cooperation of the present utility model;

FIG. 4 is a schematic view of the structure of the impurity removing mechanism of the present utility model;

FIG. 5 is a schematic view of a part of the structure of the impurity removing mechanism in the present utility model;

FIG. 6 is a schematic view of the structure of the limiting plate of the present utility model;

FIG. 7 is a schematic view of the film pick-up mechanism of the present utility model mated with a pick-up mechanism;

FIG. 8 is a schematic diagram of a transfer state of the straw crushing and returning and residual film recycling integrated machine;

in the figure: 100-straw crushing, returning and residual film recycling integrated machine, 1-rod beating mechanism, 2-edge film lifting mechanism, 3-rack, 4-impurity removing mechanism, 41-grid chain, 42-connecting belt, 43-driving roller, 44-driven roller, 45-tensioning roller, 46-scraper plate, 47-bottom plate, 5-pickup mechanism, 51-roller guide rail, 52-roller, 53-rocker, 54-connecting rod, 55-trapezoidal slider, 56-tooth holder, 57-pickup tooth, 58-tooth shaft, 59-limiting plate, 6-demoulding mechanism, 7-packaging mechanism, 8-film picking mechanism, 81-arc spring tooth and 9-land wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model aims to provide a straw crushing returning and residual film recycling integrated machine, which aims to solve the technical problems of single function and low recycling rate of the conventional farmland residual film recycling device.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1-8, this embodiment provides a straw crushing returning and residual film recycling integrated machine 100, use tractor traction and provide driving force, including frame 3, and the driving rod mechanism 1 arranged in proper order and installed on frame 3, play limit membrane mechanism 2, arrange miscellaneous mechanism 4, pickup mechanism 5, take off membrane mechanism 6 and packing mechanism 7, play limit membrane mechanism 2 is located the both sides of frame 3, can take out the soil plastic film residue on the edge, be convenient for the development of residual film pickup operation, pickup mechanism 5 and frame 3 swivelling connection and be used for picking up the residual film, arrange miscellaneous mechanism 4 and be located pickup mechanism 5 the place ahead and be used for accepting pickup mechanism 5 rotation in-process film surface impurity that throws up, and then avoid impurity to pile up in pickup mechanism 5 department, influence film pickup efficiency, simultaneously at pickup in-process effective clear miscellaneous, reduce residual film impurity content, be favorable to retrieving the reutilization of residual film, take off membrane mechanism 6 swivelling is installed in frame 3 and is located the oblique top of pickup mechanism 5, and then in mechanism 5 will be used for taking off the residual film residue film on pickup mechanism 5, use mechanism 6 acts on pickup mechanism 5 and pick up film residue on pickup mechanism 5, it is close to pickup mechanism 8 top of the corresponding to the pickup mechanism 8, it is put into pickup mechanism 8 to the residual film residue to take off mechanism 8, the mechanism is still to be used for recovering film residue on the mechanism 8, the mechanism is located at the mechanism is near the pickup mechanism 8, the mechanism is used to be used to pick up the mechanism is more in the position behind the mechanism is more than the mechanism is used for picking up.

Specifically, the edge film lifting mechanism 2 comprises two edge film shovels, the two edge film shovels are symmetrically arranged below two sides of the frame 3, an included angle between the edge film shovels and the advancing direction of the frame 3 is an acute angle, and then in the operation process, the integrated machine 100 is driven to crush and return straws and recycle residual films along with a tractor to advance, the edge film shovels are inserted into soil, the soil on two sides is folded towards the middle, and in the process, the edge of an underground film is exposed, so that the picking mechanism 5 is convenient to pick up.

The impurity removing mechanism 4 comprises a bottom plate 47 arranged below the frame 3, a transmission chain, a driving roller 43, a driven roller 44, a tensioning roller 45 and a plurality of scraping plates 46, wherein the transmission chain, the driving roller 43, the driven roller 44, the tensioning roller 45 and the plurality of scraping plates 46 are arranged above the bottom plate 47; the transmission chain comprises a grid chain 41 and a connecting belt 42, the grid chain 41 is connected with the connecting belt 42, and the scraper 46 is arranged on the connecting belt 42, so that the normal transmission is prevented from being influenced while the connection with the scraper 46 is realized.

The rotation directions of the stripping mechanism 6 and the pickup mechanism 5 are consistent, and the stripping mechanism 6 is rotated clockwise (clockwise is seen in the front view direction), the stripping mechanism 6 comprises a cylinder body and stripping plates arranged at different positions on the outer wall of the cylinder body, then the pickup mechanism 5 picks up residual films along with the rotation of the stripping mechanism 6 and the pickup mechanism 5, the stripping mechanism 6 picks up the residual films wound on the pickup mechanism 5 and sends the residual films to the packing mechanism 7 for packing, and the residual films on the stripping mechanism 6 fall into the packing mechanism 7 under the action of inertia force and gravity when rotating to the position close to the packing mechanism 7.

The picking mechanism 5 comprises a roller 52, a plurality of rollers and a plurality of groups of picking device assemblies, the roller 52 is rotatably arranged on the frame 3, driving force is provided by a tractor, the axis of the roller 52 is perpendicular to the advancing direction of the frame 3, the rollers encircle to form a roller guide rail 51, the roller guide rail 51 plays a guiding role, the roller guide rail 51 is fixedly connected with the frame 3, the roller guide rail 51 is always fixed in the working process, the length direction of the roller guide rail 51 is consistent with the length direction of the roller 52, the positions of the corresponding picking device assemblies on the side wall of the roller 52 are respectively provided with an extending hole, the picking device assemblies are movably arranged at different positions of the length direction of the roller guide rail 51, the side, close to the film stripping mechanism 6, of the first arc section is a second arc section, the first arc section and the second arc section are sequentially connected in an end-to-end mode, the distance between the first arc section and the inner wall of the roller 52 is larger than the distance between the second arc section and the inner wall of the roller 52, the picking device assemblies are driven to rotate along with the rotation of the roller 52, the picking device assemblies are conveniently pulled out holes in the picking device assemblies in the rotating process, the picking device assemblies are pulled out of the film from the first arc section to the end part of the roller assembly, and the film picking device assemblies are conveniently pulled out from the film picking device assemblies to the end part 52 when the film picking device assemblies are pulled out from the film assembly to the film picking device assembly to the film assembly has the film picking device assembly to be conveniently pulled out from the film picking device assembly to the film assembly when the film picking device assembly is rotated.

The pickup assembly comprises a plurality of pickup units, protruding holes are formed in the side wall of the roller 52 corresponding to the positions of the pickup units, the pickup units are arranged around the circumference of the roller guide rail 51, a trapezoidal sliding block 55 is hinged to the pickup units, the trapezoidal sliding block 55 is buckled on the roller guide rail 51 and is in sliding connection with the roller guide rail 51, when the roller 52 drives the pickup units to rotate, the trapezoidal sliding block 55 slides along the roller guide rail 51, the roller guide rail 51 and the trapezoidal sliding block 55 are matched, the clamping in the rotating process is avoided, normal work is guaranteed, the long bottom edge of the trapezoidal sliding block 55 is close to the inner side wall of the roller 52, the short bottom edge of the trapezoidal sliding block 55 is close to the central shaft of the roller 52, and when the roller 52 drives the pickup units to rotate, the pickup units can protrude or retract through the protruding holes, and therefore the residual film can be picked up and taken off.

The long base of the trapezoidal slide block 55 and the short base of the trapezoidal slide block 55 are two opposite arcs, and the two ends of the long base of the trapezoidal slide block 55 and the two ends of the short base of the trapezoidal slide block 55 extend to one side far away from the waist of the trapezoidal slide block 55, and when the long base of the arc and the short base of the arc are in contact with the periphery of the roller guide rail 51, as the contact surfaces are curved surfaces, compared with plane contact, the occurrence of the clamping phenomenon can be effectively reduced.

A plurality of limiting plates 59 which are axially arranged along the roller 52 are arranged in the roller 52, special-shaped holes are formed in the limiting plates 59 at positions corresponding to the pickup units, flanging is arranged on the inner ring of each special-shaped hole, mutual damage is avoided when the inner wall of each special-shaped hole is contacted with the pickup assembly, the whole service life is influenced, the special-shaped holes are of a nearly trapezoid structure, and the inner walls of the special-shaped holes are curved surfaces; the pickup unit comprises a rocker 53, a connecting rod 54, a tooth holder 56 and pickup teeth 57, one end of the connecting rod 54 is hinged to a trapezoidal sliding block 55, the other end of the connecting rod 54 is connected with tooth shafts 58, the tooth holders 56 are installed on the tooth shafts 58, a plurality of tooth holders 56 are installed in the axial direction of each tooth shaft 58, one end of the rocker 53 is hinged to the inner wall of the roller 52, the other end of the rocker 53 is connected with the tooth shafts 58, pickup teeth 57 are installed on the tooth holders 56, the roller guide rail 51, the trapezoidal sliding block 55, the rocker 53 and the connecting rod 54 jointly restrict the movement of the tooth shafts 58, further the pickup teeth 57 can be conveniently stretched in and stretched out, one end of the tooth holder 56 penetrates through special-shaped holes, and the special-shaped holes are used for restricting the movement stroke of the tooth holders 56 and guaranteeing the movement of the pickup teeth 57.

The film picking mechanism 8 comprises a supporting rod and a plurality of arc spring teeth 81, the supporting rod is arranged on the frame 3, the arc spring teeth 81 are sequentially arranged along the length direction of the supporting rod, one end of each arc spring tooth 81 is arranged on the supporting rod, the other end of each arc spring tooth 81 extends towards the lower side of the pickup mechanism 5, each two adjacent pickup assemblies correspond to one arc spring tooth 81, namely, each two adjacent pickup assemblies correspond to one arc spring tooth 81, residual films which are not removed on the film picking mechanism 8 fall onto the arc spring tooth 81, the pickup pins 57 which rotate from the rear are used for completing secondary pickup, and the cleaning rate is high.

The straw crushing and returning and residual film recycling integrated machine 100 provided by the embodiment further comprises a land wheel 9, a hydraulic mechanism is mounted on the frame 3 and provides driving force through a tractor, the hydraulic mechanism is connected with the land wheel 9 through a transmission rod, and the hydraulic mechanism is used for driving the land wheel 9 to contact or separate from the ground, so that when the straw crushing and returning and residual film recycling integrated machine 100 provided by the embodiment is transported on a road or turned in a field, the land wheel 9 moves downwards to support the whole machine to be at a certain height from the ground.

In the operation process of the straw crushing and returning and residual film recycling integrated machine 100 provided by the embodiment, a tractor is used for traction and providing rotary power, and a threshing mechanism 1 is used for cutting up crop vertical rods and returning the crop vertical rods to the space between adjacent rows of the operation; the edge lifting film mechanism 2 arranged behind the rod beating mechanism 1 enters soil to a certain depth, and the edge lifting film mechanism 2 takes out the soil under film; the picking mechanism 5 finishes the residual film picking operation, and the picking spike teeth 57 rotate clockwise along with the roller 52 under the combined action of the rocker 53, the connecting rod 54 and the trapezoidal sliding block 55, and swing relative to the roller 52; when the picking pin 57 moves to the place close to the ground, the part of the picking pin 57 which protrudes out of the roller 52 enters the soil to a certain depth and picks up the residual film in the farmland, and the picking pin 57 conveys the residual film to the upper part of the roller 52 along with the rotation of the roller 52; when the pick-up spike teeth 57 move to the upper part of the roller 52, the residual film is retracted into the roller 52, taken off by the film removing mechanism 6 and sent into the packaging mechanism 7; when the picking pin teeth 57 pick up the residual film, the film surface impurities are thrown into the impurity discharging mechanism 4, and the impurities fall onto the bottom plate 47. The grid chain 41 rotates together with the connecting belt 42 under the cooperation of the driving roller 43, the driven roller 44 and the tensioning roller 45, and the scraping plate 46 fixed on the connecting belt 42 scrapes impurities on the bottom plate 47; residual film which is not removed by the stripping mechanism 6 falls on the arc spring teeth 81, and the rear picking pin teeth 57 finish secondary picking; the wrapping mechanism 7 rolls the residual film fed from the film releasing mechanism 6 into a round bundle. In this embodiment, the specific structure and working principle of the striking rod mechanism 1 and the packing mechanism 7 are the same as those of the prior art, and will not be described herein.

The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the utility model.

Claims (10)

1. The utility model provides a straw is smashed still field and incomplete membrane and is retrieved all-in-one which characterized in that: the device comprises a frame, and a threshing mechanism, an edge film lifting mechanism, a impurity removing mechanism, a picking mechanism, a film removing mechanism and a packaging mechanism which are sequentially arranged and installed on the frame, wherein the edge film lifting mechanism is located on two sides of the frame, the picking mechanism is rotationally connected with the frame and used for picking up residual films, the impurity removing mechanism is located in front of the picking mechanism and used for receiving film surface impurities thrown up in the rotation process of the picking mechanism, the film removing mechanism is rotationally installed on the frame and located on the oblique upper side of the picking mechanism, the film picking mechanism is further installed at a position, corresponding to the rear lower side of the picking mechanism, on the frame, and the lower end of the film picking mechanism extends to be close to the picking mechanism.

2. The straw crushing, returning and residual film recycling integrated machine according to claim 1, which is characterized in that: the edge membrane lifting mechanism comprises two edge membrane shovels, the two edge membrane shovels are symmetrically arranged below two sides of the frame, and the edge membrane shovels can be inserted into soil.

3. The straw crushing, returning and residual film recycling integrated machine according to claim 1, which is characterized in that: the impurity removing mechanism comprises a bottom plate, a transmission chain, a driving roller, a driven roller, a tensioning roller and a plurality of scraping plates, wherein the bottom plate is arranged below the machine frame, the driving chain, the driving roller, the driven roller, the tensioning roller and the plurality of scraping plates are arranged above the bottom plate, the driving roller, the driven roller and the tensioning roller are all meshed with the transmission chain, the rotation plane of the transmission chain is perpendicular to the advancing direction of the machine frame, and one end of each scraping plate is uniformly arranged on the outer ring of the transmission chain; the transmission chain comprises a grid chain and a connecting belt, the grid chain is connected with the connecting belt, and the scraper plate is mounted on the connecting belt.

4. The straw crushing, returning and residual film recycling integrated machine according to claim 1, which is characterized in that: the film removing mechanism is consistent with the pick-up mechanism in rotation direction, and comprises a cylinder body and film removing plates arranged at different positions on the outer wall of the cylinder body.

5. The straw crushing, returning and residual film recycling integrated machine according to claim 1, which is characterized in that: the picking mechanism comprises a roller, a plurality of rollers and a plurality of groups of pickup assemblies, wherein the roller is rotatably arranged on the frame, the axis of the roller is vertical to the advancing direction of the frame, the rollers encircle to form a roller guide rail, the roller guide rail is fixedly connected with the frame, the length direction of the roller guide rail is consistent with the length direction of the roller, the side wall of the roller is provided with a stretching hole corresponding to each pickup assembly, each pickup assembly is movably arranged at different positions of the length direction of the roller guide rail, the cross section of the roller guide rail is provided with a first arc section on one side close to the stripping mechanism, a second arc section on one side far away from the stripping mechanism, the first arc section and the second arc section are sequentially connected end to end, and the distance between the first arc section and the inner wall of the roller is larger than the distance between the second arc section and the inner wall of the roller.

6. The straw crushing, returning and residual film recycling integrated machine according to claim 5, which is characterized in that: the pick-up assembly comprises a plurality of pick-up units, the positions, corresponding to the pick-up units, on the side wall of the roller are provided with extension holes, the pick-up units are arranged around the circumference of the roller guide rail, each pick-up unit is hinged with a trapezoidal sliding block, the trapezoidal sliding blocks are slidably mounted on the roller guide rail, the long bottom edges of the trapezoidal sliding blocks are close to the inner side wall of the roller, the short bottom edges of the trapezoidal sliding blocks are close to the central shaft of the roller, and when the roller drives each pick-up unit to rotate, the pick-up units can extend or retract through the extension holes.

7. The straw crushing, returning and residual film recycling integrated machine according to claim 6, wherein: a plurality of limiting plates are arranged in the roller along the axial direction of the roller, special-shaped holes are formed in the limiting plates at positions corresponding to the pickup units, and flanges are arranged on the inner rings of the special-shaped holes; the pick-up unit comprises a rocker, a connecting rod, a tooth holder and pick-up teeth, one end of the connecting rod is hinged to the trapezoid sliding block, the other end of the connecting rod is connected with a tooth shaft, the tooth holder is mounted on the tooth shaft, one end of the rocker is hinged to the inner wall of the roller, the other end of the rocker is connected with the tooth shaft, the pick-up teeth are mounted on the tooth holder, one end of the tooth holder penetrates through the special-shaped hole, and the special-shaped hole is used for restraining the movement stroke of the tooth holder.

8. The straw crushing, returning and residual film recycling integrated machine according to claim 6, wherein: the long bottom edge of the trapezoid slide block and the short bottom edge of the trapezoid slide block are two opposite arcs, and two ends of the long bottom edge of the trapezoid slide block and two ends of the short bottom edge of the trapezoid slide block extend to one side far away from the waist of the trapezoid slide block.

9. The straw crushing, returning and residual film recycling integrated machine according to claim 5, which is characterized in that: the film picking mechanism comprises a supporting rod and a plurality of arc spring teeth, the supporting rod is installed on the frame, the arc spring teeth are sequentially arranged along the length direction of the supporting rod, one end of each arc spring tooth is installed on the supporting rod, the other end of each arc spring tooth extends towards the lower side of the picking mechanism, and each two adjacent pick-up assemblies are respectively corresponding to one arc spring tooth.

10. The straw crushing, returning and residual film recycling integrated machine according to claim 1, which is characterized in that: the ground wheel is characterized by further comprising a ground wheel, wherein a hydraulic mechanism is arranged on the frame and connected with the ground wheel through a transmission rod, and the hydraulic mechanism is used for driving the ground wheel to contact or separate from the ground.