Floating type residual film recovery device

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a floating type residual film recovery device which comprises a rack, a central shaft, a film taking roller, a film taking assembly and a floating plate. The film residue recycling machine is reasonable and compact in structure, when the film residue recycling machine is used, the front portion of the machine frame and existing known traction equipment are installed together, so that the lower end of the machine frame can float up and down along with advancing of the traction equipment, and film residues in soil can be recycled in a centralized mode along with the height of the ground. The center shaft and a driving shaft of traction equipment are installed together in a transmission mode through the prior art, when the rolling wheel moves to a separation point, the film taking knife completely retracts into the film removing hole, at the moment, the inner wall of the film removing hole can scrape off residual films attached to the film taking knife, the scraped-off residual films slide to the rear portion along the floating plate, and therefore the residual films can be separated from the film taking knife. A residual film recycling box or a film binding mechanism can be connected behind according to needs, residual films are recycled in a centralized mode, and when the guide wheel moves to a film taking point, the cutting edge of the film taking knife completely stretches out of the film removing hole to be inserted into the residual films in soil.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and is a floating residual film recovery device. Background Art

[0002] Nowadays, film mulching cultivation technology has been widely used in various places, especially in arid areas. With its remarkable characteristics of increasing temperature, retaining moisture, inhibiting weed growth, promoting early maturity of crops and increasing yields, it has indeed brought benefits to farmers. However, if the old plastic film used in farming is not recycled in time and effectively, it will cause soil compaction and degradation, hinder crop germination, cause rapid decline in land quality and reduced utilization efficiency, and bring serious pollution to the environment, becoming a major environmental hazard.

[0003] At present, many post-autumn residual film recycling machines have been developed at home and abroad, mainly including nail-tooth type, tooth chain type, rake-tooth type residual film recycling machines, etc. The operation process mainly includes film removal, film picking, film rolling and film unloading. Among them, film removal is the first step in the residual film recovery process, and the effect of film removal affects the residual film recovery rate. For the nail-tooth residual film recycling machine, the film removal device, as the film removal component of the whole machine, is affected by the aging of the ground film and the congestion of impurities such as crop straw during operation, which makes the film removal effect of the film removal device not obvious, and the impurities congested in the film removal device are difficult to discharge. After working for a period of time, the film removal device needs to be manually cleaned. At the same time, due to the different soil qualities caused by different climates in different regions or the same region, the film removal device cannot adapt to different soil qualities for film removal operations, and the film removal rate is low. There is a lot of mud, sand and stone attached to the collected residual film, which is easy to damage the equipment and increase the failure rate. Summary of the invention

[0004] The utility model provides a floating residual film recovery device, which overcomes the shortcomings of the above-mentioned prior art and can effectively solve the problems of the existing residual film recovery machine in that impurities on the residual film surface are difficult to discharge when the film is formed and the film forming rate is low.

[0005] The technical solution of the utility model is achieved through the following measures: a floating residual film recovery device, including a frame, a central axis, a film taking roller, a film taking assembly and a floating plate, a central axis is rotatably installed on the inner side of the lower part of the frame, a film taking roller is fixedly installed on the outer side of the central axis, a plurality of film taking assemblies are evenly distributed along the circumference of the outer side of the film taking roller, each film taking assembly includes a plurality of film taking knives fixedly installed on the outer side of the film taking roller at intervals on the left and right, a left guide rail and a right guide rail of the same structure are detachably fixedly installed on the left and right parts of the frame, and the outer side of the film taking roller corresponding to the position between two adjacent film taking assemblies is fixedly installed on the outer side of the film taking roller. A floating plate is hingedly installed on the side, and a surface of the floating plate away from the central axis is provided with film stripping holes corresponding to the film cutting knives. Annular guide grooves are provided on the right side of the left guide rail and the left side of the right guide rail. A separation point and a film cutting point are provided in the guide groove. Each guide groove is provided with a guide wheel rotatably installed with the corresponding position of the floating plate. When the guide wheel moves from the film cutting point to the separation point along the guide groove with the central axis, the end of the film cutting knife gradually retracts into the corresponding film stripping hole. When the guide wheel moves from the separation point to the film cutting point along the guide groove with the central axis, the end of the film cutting knife gradually extends from the corresponding film stripping hole.

[0006] The following are further optimizations and / or improvements to the above utility model technical solution:

[0007] The above-mentioned film removing roller may include a first cutter disc and a second cutter disc, a plurality of first cutter discs are installed at intervals on the left and right sides of the outer side of the central axis, at least one second cutter disc is fixedly installed between each two adjacent first cutter discs, and each second cutter disc is mounted on the outer side of the central axis. The film removing knife includes a first blade, a second blade, a third blade and a fourth blade, and at least two first blades are evenly distributed along the circumference on the outer side of each first cutter disc, and a second blade is fixedly installed on the outer side of the first cutter disc corresponding to the position between the two adjacent first blades. A plurality of third blades are evenly distributed along the circumference on the left end of the second cutter disc, and a fourth blade is fixedly installed on the right end of the second cutter disc corresponding to the position between the two adjacent third blades.

[0008] The left end or right end of the first cutter disc corresponding to the first blade position may be fixed with a U-shaped first clamping plate opening outward, and the first blade is fixedly installed in the first clamping plate; the left end or right end of the first cutter disc corresponding to the second blade position is fixed with a U-shaped second clamping plate opening outward, and the second blade is fixedly installed in the second clamping plate; the left end of the second cutter disc corresponding to the third blade position is fixed with a U-shaped third clamping plate opening outward, and the third blade is fixedly installed in the third clamping plate; the left end or right end of the second cutter disc corresponding to the fourth blade position is fixed with a U-shaped fourth clamping plate opening outward, and the fourth blade is fixedly installed in the fourth clamping plate.

[0009] The above-mentioned film removing roller may also include a first rotating rod and a second rotating rod, a first connecting ear protruding outward is fixed on the outer side of the first knife disc between each two adjacent first blades and the second blade, a first connecting hole which passes through left and right is provided on the left side of the first connecting ear, the outer side of the left part of the first rotating rod is fixedly installed in the first connecting hole of the leftmost first connecting ear, the right end of the first rotating rod is fixedly installed in the first connecting hole of the rightmost first connecting ear, the outer side of the second knife disc corresponding to the position between the two adjacent first connecting ears is fixedly installed with a second connecting ear which protrudes outward, a second connecting hole which passes through left and right is provided on the left side of the second connecting ear, the outer side of the left part of the second rotating rod is fixedly installed in the second connecting hole of the leftmost second connecting ear, the right end of the second rotating rod is fixedly installed in the second connecting hole of the rightmost second connecting ear, and the floating plate is rotatably installed with the first rotating rod and the second rotating rod at the corresponding position respectively.

[0010] The left end of the first leftmost cutter disc may be evenly spaced with a plurality of connecting tubes, and the right end of each connecting tube passes through the second cutter disc and is fixedly installed at the right end of the first rightmost cutter disc.

[0011] The above-mentioned floating plate may include a first inclined section and a second inclined section connected together in sequence, the first inclined section is rotatably installed with the first rotating rod and the second rotating rod at corresponding positions respectively, along the clockwise direction, the distance between the front side of the second inclined section and the central axis is greater than the distance between the rear side of the second inclined section and the central axis, connecting arms are fixedly installed on the left and right sides of the second inclined section, a connecting shaft is fixedly installed on the lower side of the connecting arm, and the guide wheel is rotatably installed on the outside of the connecting shaft at the corresponding position.

[0012] The lower part of the above-mentioned frame can be fixedly installed with a first adjustment plate which is sleeved on the outer side of the left end of the central axis. A plurality of groups of left adjustment holes are arranged at intervals along the circumference on the left side of the first adjustment plate, and each group of left adjustment holes includes at least two left connecting holes which pass through the left and right sides. The left guide rail is provided with left connecting screw holes which correspond to one of the groups of left connecting holes one by one. A left connecting bolt whose left end is located in the left connecting hole at a corresponding position is screwed in each left connecting screw hole. A second adjustment plate which has the same structure as the first adjustment plate and is symmetrically distributed is fixedly installed on the lower part of the frame, and the right side of the right guide rail is fixedly installed on the left side of the second adjustment plate.

[0013] The upper left side and / or upper right side of the frame are provided with transmission holes which penetrate left and right, and a driving shaft is passed through the left transmission hole, and the left end of the driving shaft is transmission-mounted together with the left end of the central shaft.

[0014] The utility model has a reasonable and compact structure. When in use, the front part of the frame is installed together with the existing well-known traction equipment, so that the lower end of the frame can float up and down with the advancement of the traction equipment, and the residual film in the soil can be collected and recovered according to the height of the ground. The central axis and the driving shaft of the traction equipment are installed together through the transmission of the existing well-known technology.

[0015] When the residual film recovery operation is carried out, the traction equipment pulls the frame forward, and the driving shaft of the traction equipment drives the central shaft to rotate. The central shaft rotates in the counterclockwise direction, and the blade of the lowest film-taking knife is inserted into the soil to pick up the residual film in the soil layer. As the guide wheel rotates along the guide groove from the film-taking point to the separation point, the blade of the film-taking knife gradually retracts into the corresponding film-removing hole. When the roller moves to the separation point, the film-taking knife is completely retracted into the film-removing hole. At this time, the inner wall of the demolding hole can scrape off the residual film attached to the film-taking knife, and the scraped residual film slides to the rear along the floating plate. A residual film recovery box or a film bundling mechanism can be connected to the rear as needed to collect the residual film. During the film recovery, when the guide wheel continues to move along the guide groove from the separation point to the film taking point with the central axis, the end of the film taking knife gradually extends out of the corresponding film stripping hole. When the guide wheel moves to the film taking point, the blade of the film taking knife completely extends out of the film stripping hole. At this time, the blade of the film taking knife is inserted into the residual film in the soil. In this way, the central axis continues to rotate, and the film taking assembly and the floating plate can continuously pick up the residual film in the soil and then separate it. The left and right parts of the frame are detachably fixed with left and right guide rails of the same structure, which is convenient for adjusting the left and right guide rails, thereby adjusting the positions of the separation point and the film taking point, so that the residual film can still be recovered during the up and down floating process of the lower part of the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 It is a schematic diagram of the main structure of embodiments 1 to 8 of the present utility model.

[0017] Attached Figure 2 It is a left-side structural schematic diagram of embodiments 1 to 8 of the present utility model.

[0018] Attached Figure 3 It is a right side structural schematic diagram of embodiments 1 to 8 of the present utility model.

[0019] Attached Figure 4 It is a schematic diagram of the left side cross-sectional structure of embodiments 1 to 8 of the present utility model.

[0020] Attached Figure 5 The three-dimensional structure of the first to eighth embodiments of the utility model without the floating plate is shown in FIG. Figure 1 .

[0021] Attached Figure 6 The three-dimensional structure of the first to eighth embodiments of the utility model without the floating plate is shown in FIG. Figure 2 .

[0022] Attached Figure 7 The three-dimensional structure of the first to eighth embodiments of the utility model without the floating plate is shown in FIG. Figure 3 .

[0023] The codes in the accompanying drawings are: 1 is a frame, 2 is a central axis, 3 is a left guide rail, 4 is a right guide rail, 5 is a guide groove, 6 is a separation point, 7 is a film taking point, 8 is a guide wheel, 9 is a first cutter disc, 10 is a second cutter disc, 11 is a first blade, 12 is a second blade, 13 is a third blade, 14 is a fourth blade, 15 is a first clamping plate, 16 is a second clamping plate, 17 is a third clamping plate, 18 is a fourth clamping plate, 19 is a first rotating rod, 20 is a second rotating rod, 21 is a first connecting ear, 22 is a second connecting ear, 23 is a connecting pipe, 24 is a first inclined section, 25 is a second inclined section, 26 is a first adjusting plate, 27 is a second adjusting plate, 28 is a left connecting hole, 29 is a driving shaft, and 30 is a reducer. DETAILED DESCRIPTION

[0024] The present invention is not limited by the following embodiments, and specific implementation methods can be determined according to the technical solution of the present invention and actual conditions.

[0025] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached manual. Figure 1 The positional relationships such as front, back, top, bottom, left, and right are described according to the layout directions of the drawings in the specification.

[0026] The present invention is further described below in conjunction with the embodiments and drawings:

[0027] Embodiment 1: As shown in the attached Figures 1 to 7 As shown, the floating residual film recovery device includes a frame 1, a central axis 2, a film taking roller, a film taking assembly and a floating plate. The central axis 2 is rotatably installed on the inner side of the lower part of the frame 1, and a film taking roller is fixedly installed on the outer side of the central axis 2. A plurality of film taking assemblies are evenly distributed along the circumference of the outer side of the film taking roller. Each film taking assembly includes a plurality of film taking knives fixedly installed on the outer side of the film taking roller at left and right intervals. The left and right parts of the frame 1 are detachably fixedly installed with a left guide rail 3 and a right guide rail 4 of the same structure. A floating plate is hingedly installed on the outer side of the film taking roller at a position corresponding to the position between two adjacent film taking assemblies. The floating plate is away from the central axis. The surface of the core shaft 2 is provided with film stripping holes corresponding to the film stripping knives one by one. The right side of the left guide rail 3 and the left side of the right guide rail 4 are both provided with annular guide grooves 5. There are separation points 6 and film stripping points 7 in the guide grooves 5. Each guide groove is provided with a guide wheel 8 rotatably installed with the corresponding position of the floating plate. When the guide wheel 8 moves from the film stripping point 7 to the separation point 6 along the guide groove 5 with the central shaft 2, the end of the film stripping knife gradually retracts into the corresponding film stripping hole. When the guide wheel 8 moves from the separation point 6 to the film stripping point 7 along the guide groove 5 with the central shaft 2, the end of the film stripping knife gradually extends from the corresponding film stripping hole.

[0028] When in use, the front part of the frame 1 is installed together with an existing well-known traction device, such as a tractor, so that the lower end of the frame 1 can float up and down with the height of the ground as the traction device moves forward and recover the residual film in the soil. The central shaft 2 and the driving shaft of the traction device are installed together through existing well-known technology, such as through a universal joint and a reduction gear transmission installation. When the residual film recovery operation is performed, the traction device pulls the frame 1 forward, and the driving shaft of the traction device drives the central shaft 2 to rotate. The central shaft 2 rotates in a counterclockwise direction, and the blade of the lowest film removal knife is inserted into the soil to pick up the residual film in the soil layer. When the guide wheel 8 rotates with the central shaft 2 and moves along the guide groove 5 from the film removal point 7 to the separation point 6, the blade of the film removal knife gradually retracts into the corresponding film removal hole. When the roller moves to the separation point 6, the film removal knife is completely retracted into the film removal hole. At this time, the inner wall of the demolding hole can scrape off the residual film attached to the film removal knife, and the scraped residual The film slides to the rear along the floating plate, and a residual film recovery box or a film bundling mechanism can be connected to the rear as needed to collect the residual film. When the guide wheel 8 continues to move along the guide groove 5 from the separation point 6 to the film taking point 7 along the central axis 2, the end of the film taking knife gradually extends out of the corresponding film stripping hole. When the guide wheel 8 moves to the film taking point 7, the blade of the film taking knife completely extends out of the film stripping hole. At this time, the blade of the film taking knife is inserted into the residual film in the soil. In this way, the central axis 2 continues to rotate, and the film taking assembly and the floating plate can continuously pick up the residual film in the soil and separate it. The left and right parts of the frame 1 are detachably fixedly installed with the left guide rail 3 and the right guide rail 4 of the same structure, which is convenient for adjusting the left guide rail 3 and the right guide rail 4, so that the position of the separation point 6 and the film taking point 7 can be adjusted, so that the lower part of the frame 1 can still realize the recovery of residual film during the up and down floating process, which can avoid the phenomenon that the residual film is blocked on the film taking knife and is difficult to be discharged during the film removal operation, thereby improving the film removal rate.

[0029] The above floating residual film recovery device can be further optimized and / or improved according to actual needs:

[0030] Embodiment 2: As an optimization of the above embodiment, as shown in the attached Figures 2 to 7 As shown, the film removing roller includes a first cutter disc 9 and a second cutter disc 10, and a plurality of first cutter discs 9 are installed at intervals on the left and right sides of the outer side of the central axis 2, and at least one second cutter disc 10 is fixedly installed between each two adjacent first cutter discs 9, and each second cutter disc 10 is mounted on the outer side of the central axis 2. The film removing knife includes a first blade 11, a second blade 12, a third blade 13 and a fourth blade 14. At least two first blades 11 are evenly distributed along the circumference on the outer side of each first cutter disc 9, and a second blade 12 is fixedly installed on the outer side of the first cutter disc 9 corresponding to the position between the two adjacent first blades 11, and a plurality of third blades 13 are evenly distributed along the circumference on the left end of the second cutter disc 10, and a fourth blade 14 is fixedly installed on the right end of the second cutter disc 10 corresponding to the position between the two adjacent third blades 13.

[0031] During use, two first blades 11 are evenly spaced along the circumference on the outside of each first cutter disc 9, and second blades 12 are fixedly installed on the outside of the first cutter disc 9 between two adjacent first blades 11, two third blades 13 are fixedly installed on the left end of the second cutter disc 10, and two fourth blades 14 are fixedly installed on the right end of the second cutter disc 10, so that the blades can be symmetrically installed on the left and right end surfaces of the first cutter disc 9 and the left and right end surfaces of the second cutter disc 10. This makes the force on the central axis 2 and the film-taking drum more uniform during the residual film recovery operation, and can prevent the first cutter disc 9 and the second cutter disc 10 from deformation. Through such a setting, it is also convenient to maintain and replace the blades, which can reduce the failure rate and maintenance difficulty.

[0032] According to requirements, the first blade 11 and the second blade 12 on the far left are fixedly installed on the right side of the first cutter disc 9, the first blade 11 and the second blade 12 on the far right are fixedly installed on the left side of the first cutter disc 9, and the first blades 11 and the second blades 12 at other positions are respectively fixedly installed on the left and right sides of the first cutter disc 9 at corresponding positions. The third blade 13 and the fourth blade 14 can be arranged corresponding to the first blade 11, or can be located between the first blade 11 and the second blade 12. In this embodiment, the first blade 11, the second blade 12, the third blade 13 and the fourth blade 14 have the same structure. The number of projections of all the first blades 11, the second blades 12, the third blades 13 and the fourth blades 14 on the right vertical plane is 8, and the corresponding number of floating plates is 8. The first blade 11, the second blade 12, the third blade 13 and the fourth blade 14 have the same structure, which is also convenient for blade replacement. The first blade 11, the second blade 12, the third blade 13 and the fourth blade 14 are all arc-shaped, and the front end of the first blade 11 away from the central axis 2 in the counterclockwise direction has a blade tip.

[0033] Embodiment 3: As an optimization of the above embodiment, as shown in the attached Figure 5 , 6 As shown in , 7, a U-shaped first clamping plate 15 with an opening facing outward is fixed to the left or right end of the first cutter disc 9 corresponding to the position of the first blade 11, and the first blade 11 is fixedly installed in the first clamping plate 15. A U-shaped second clamping plate 16 with an opening facing outward is fixed to the left or right end of the first cutter disc 9 corresponding to the position of the second blade 12, and the second blade 12 is fixedly installed in the second clamping plate 16. A U-shaped third clamping plate 17 with an opening facing outward is fixed to the left end of the second cutter disc 10 corresponding to the position of the third blade 13, and the third blade 13 is fixedly installed in the third clamping plate 17. A U-shaped fourth clamping plate 18 with an opening facing outward is fixed to the right end of the second cutter disc 10 corresponding to the position of the fourth blade 14, and the fourth blade 14 is fixedly installed in the fourth clamping plate 18.

[0034] According to the requirements, the leftmost first clamp plate 15 and the second clamp plate 16 are both fixedly installed on the right side of the first cutter disc 9, the rightmost first clamp plate 15 and the second clamp plate 16 are both fixedly installed on the left side of the first cutter disc 9, and the first blade 11 and the second blade 12 at other positions are respectively fixedly installed on the left and right sides of the first cutter disc 9 at corresponding positions. During use, by setting the U-shaped first clamp plate 15, the second clamp plate 16, the third clamp plate 17 and the fourth clamp plate 18, the first blade 11, the second blade 12, the third blade 13 and the fourth blade 14 can be supported, the connection strength between the first cutter disc 9 and the second cutter disc 10 is improved, the separation of the blade and the cutter disc is avoided during use, the failure rate of the membrane taking assembly is reduced, and the maintenance cost is reduced.

[0035] Embodiment 4: As an optimization of the above embodiment, as shown in the attached Figures 2 to 7 As shown, the film taking roller also includes a first rotating rod 19 and a second rotating rod 20. A first connecting ear 21 protruding outward is fixed on the outer side of the first knife disc 9 between each two adjacent first blades 11 and the second blades 12. A first connecting hole that runs through left and right is provided on the left side of the first connecting ear 21. The outer side of the left portion of the first rotating rod 19 is fixedly installed in the first connecting hole of the leftmost first connecting ear 21. The right end of the first rotating rod 19 is fixedly installed in the first connecting hole of the rightmost first connecting ear 21. The outer side of the second knife disc 10 at the position between the two adjacent first connecting ears 21 is fixedly installed with a second connecting ear 22 protruding outward. A second connecting hole that runs through left and right is provided on the left side of the second connecting ear 22. The outer side of the left portion of the second rotating rod 20 is fixedly installed in the second connecting hole of the leftmost second connecting ear 22. The right end of the second rotating rod 20 is fixedly installed in the second connecting hole of the rightmost second connecting ear 22. The floating plate is rotatably installed with the first rotating rod 19 and the second rotating rod 20 at the corresponding position respectively.

[0036] According to the requirements, a matching arc-shaped first groove is provided on the outer side of the second cutter disc 10 corresponding to each position of the first rotating rod 19, and a matching arc-shaped second groove is provided on the outer side of the first cutter disc 9 corresponding to each position of the second rotating rod 20. All the first rotating rods 19 are rotatably installed together with four of the floating plates, and all the second rotating rods 20 are rotatably installed together with the other four floating plates. Fixing bolts can be installed on the left and right ends of the first rotating rod 19 and the left and right ends of the second rotating rod 20. This facilitates the disassembly and assembly of the first rotating rod 19 and the second rotating rod 20, and also facilitates the disassembly and assembly between the floating plate and the film taking roller.

[0037] Embodiment 5: As an optimization of the above embodiment, as shown in the attached Figure 5 , 6As shown in FIG. 7 , a plurality of connecting tubes 23 are evenly spaced at the left end of the leftmost first cutter disc 9 , and the right end of each connecting tube 23 passes through the second cutter disc 10 and is fixedly installed at the right end of the rightmost first cutter disc 9 .

[0038] During use, through such an arrangement, the first cutter disc 9 and the second cutter disc 10 can be fixed together to improve the stability of the film removing drum. According to needs, the first cutter disc 9 on the left and the leftmost side of the center axis 2 and the first cutter disc 9 on the right and the rightmost side of the center axis 2 are fixed together by flanges, which facilitates the disassembly and assembly of the film removing drum.

[0039] Embodiment 6: As an optimization of the above embodiment, as shown in the attached Figures 1 to 4 As shown, the floating plate includes a first inclined section 24 and a second inclined section 25 connected in sequence. The first inclined section 24 is rotatably installed with the first rotating rod 19 and the second rotating rod 20 at corresponding positions respectively. In the clockwise direction, the distance between the front side of the second inclined section 25 and the central axis 2 is greater than the distance between the rear side of the second inclined section 25 and the central axis 2. Connecting arms are fixedly installed on the left and right sides of the second inclined section 25, and a connecting shaft is fixedly installed on the lower side of the connecting arm. The guide wheel 8 is rotatably installed on the outer side of the connecting shaft at the corresponding position.

[0040] According to the requirements, the guide wheel 8 can be an existing well-known technology, such as a rolling bearing, and the connecting shaft can be an existing well-known technology, such as a connecting bolt. The end of the connecting bolt passes through the guide wheel 8 and is screwed together with the connecting arm. The distance between the front side of the first inclined section 24 and the central axis 2 is greater than the distance between the rear side of the first inclined section 24 and the central axis 2. The front side of the second inclined section 25 can be bent toward the direction close to the central axis 2 to form an arc-shaped transition section. The outer side of the first cutter disc 9 and the outer side of the second cutter disc 10 are both fixed with a support portion matching the first inclined section 24 and the second inclined section 25. During use, the first inclined section 24 contacts the ground before the second inclined section 25, and the distance between the front side of the second inclined section 25 and the central axis 2 is greater than the distance between the rear side of the second inclined section 25 and the central axis 2, that is, the inclination of the second inclined section 25 is less than the inclination of the first inclined section 24, so that the second inclined section 25 can be prevented from lifting the frame 1 after pressing over the ground, and the floating degree of the frame 1 can be reduced, and the floating height of the film-taking drum when rotating can be reduced, so that the residual film recovery operation process is more stable.

[0041] Embodiment 7: As an optimization of the above embodiment, as shown in the attached Figures 2 to 7As shown, a first adjustment plate 26 is fixedly installed on the lower left side of the frame 1, and the first adjustment plate 26 is rotatably installed on the outer side of the left part of the central axis 2. A plurality of groups of left adjustment holes are provided at intervals along the circumference on the left side of the first adjustment plate 26, and each group of left adjustment holes includes at least two left connecting holes 28 that pass through the left and right sides. A left connecting screw hole corresponding to one group of left connecting holes 28 is provided on the left side of the left guide rail 3, and a left connecting bolt whose left end is located in the left connecting hole at a corresponding position is screwed in each left connecting screw hole. A second adjustment plate 27 with the same structure as the first adjustment plate 26 and symmetrically distributed is fixedly installed on the lower right side of the frame 1, and the right side of the right guide rail 4 is fixedly installed on the left side of the second adjustment plate 27.

[0042] According to requirements, the first adjustment plate 26 and the second adjustment plate 27 are both integrally arranged with the frame 1. Three groups of left adjustment holes are evenly distributed along the circumference on the left side of the first adjustment plate 26. Each group of left adjustment holes includes four left connecting holes 28 that are evenly distributed along the circumference and pass through the left and right sides. The left guide rail 3 may also be provided with left connecting screw holes that correspond one-to-one with several groups of left connecting holes 28 on the left side. In this embodiment, the number of left connecting screw holes is 30. Several observation holes connected to the guide groove 5 are distributed along the circumferential direction on the left side of the left guide rail 3 and the right side of the right guide rail 4, which are convenient for observing the operation of the guide wheel 8 and also convenient for lubricating and disassembling the guide wheel 8.

[0043] During use, by setting the left connecting hole 28, the left guide rail 3 and the right guide rail 4 are rotated to a certain angle and then fixed to the frame 1 with a group of left adjustment holes through the left connecting bolts. In this way, the positions of the separation point 6 of the guide groove 5 and the film taking point 7 can be adjusted. After the frame 1 is installed together with the tractor suspension, the residual film recovery operation is carried out. When the tractor pulls the frame 1 forward, the drive shaft of the tractor drives the central shaft 2 to rotate through the existing well-known transmission method. The central shaft 2 rotates in the counterclockwise direction, and the blade of the lowest blade is inserted into the soil to pick up the residual film in the soil layer. When the guide wheel 8 moves along the guide groove 5 from the film taking point 7 to the separation point 6 as the central shaft 2 rotates, the blade of the blade gradually retracts into the corresponding film stripping hole. When the roller moves to the separation point 6, the blade is completely retracted into the film stripping hole. At this time, the film stripping hole The inner wall can scrape off the residual film attached to the blade, and the scraped residual film slides to the rear along the floating plate. When the tractor speed is fast, the scraped residual film can also be thrown to the rear of the paper by the floating plate. A residual film recovery box or a film bundling mechanism can be connected to the rear as needed to collect the residual film. When the guide wheel 8 continues to move along the guide groove 5 from the separation point 6 to the film taking point 7 along the central axis 2, the end of the film taking knife gradually extends out of the corresponding film stripping hole. When the guide wheel 8 moves to the film taking point 7, the blade of the film taking knife completely extends out of the film stripping hole. At this time, the blade of the film taking knife is inserted into the residual film in the soil. In this way, the central axis 2 continues to rotate, and the film taking assembly and the floating plate can continuously pick up the residual film in the soil and separate it. The installation position of the left connecting bolt can be adjusted so that the lower part of the frame 1 can still recover the residual film during the up and down floating process.

[0044] Embodiment 8: As an optimization of the above embodiment, as shown in the attached Figures 1 to 7 As shown, a transmission hole is provided on the upper left side or / and the upper right side of the frame 1, and a driving shaft 29 is passed through the left transmission hole. The left end of the driving shaft 29 is installed together with the left end of the central shaft 2 for transmission.

[0045] According to the needs, the left end of the driving shaft 29 and the left end of the center shaft 2 are installed together through the existing known technology, such as pulley drive, sprocket drive or gear drive, which is convenient for installation together with traction equipment, such as the drive shaft of a tractor. In this embodiment, the upper left side and the upper right side of the frame 1 are provided with transmission holes that pass through the left and right sides. A reducer 30 is fixed on the left side of the frame 1, and the output shaft of the reducer 30 is fixedly installed together with the left end of the center shaft 2. The input shaft of the reducer 30 passes through the transmission hole and is located on the inner side of the frame 1. The right end of the input shaft of the reducer 30 is installed together with the output shaft of the existing known transmission box, and the input shaft of the transmission box is installed together with the drive shaft of the tractor.

[0046] The above technical features constitute the embodiments of the present utility model, which have strong adaptability and implementation effect. Non-essential technical features can be added or reduced according to actual needs to meet the requirements of different situations.

Claims

1. A floating residual film recovery device, characterized in that The machine comprises a frame, a central axis, a film taking roller, a film taking assembly and a floating plate. The central axis is rotatably installed on the inner side of the lower part of the frame, and a film taking roller is fixedly installed on the outer side of the central axis. A number of film taking assemblies are evenly distributed along the circumference of the outer side of the film taking roller. Each film taking assembly comprises a number of film taking knives fixedly installed on the outer side of the film taking roller at intervals on the left and right. The left and right parts of the frame are detachably fixedly installed with left and right guide rails of the same structure. A floating plate is hingedly installed on the outer side of the film taking roller between two adjacent film taking assemblies. The floating plate is away from the center. The surface of the shaft is provided with film stripping holes corresponding to the film stripping knives one by one, and annular guide grooves are provided on the right side of the left guide rail and the left side of the right guide rail. There are separation points and film stripping points in the guide grooves, and each guide groove is provided with a guide wheel rotatably installed with the corresponding position of the floating plate. When the guide wheel moves from the film stripping point to the separation point along the guide groove with the center axis, the end of the film stripping knife gradually retracts into the corresponding film stripping hole, and when the guide wheel moves from the separation point to the film stripping point along the guide groove with the center axis, the end of the film stripping knife gradually extends from the corresponding film stripping hole.

2. The floating residual film recovery device according to claim 1 is characterized in that The film removing drum comprises a first cutter disc and a second cutter disc, and a plurality of first cutter discs are installed at intervals on the left and right sides of the outer side of the central axis, and at least one second cutter disc is fixedly installed between each two adjacent first cutter discs, and each second cutter disc is mounted on the outer side of the central axis. The film removing knife comprises a first blade, a second blade, a third blade and a fourth blade, and at least two first blades are evenly spaced along the circumference on the outer side of each first cutter disc, and a second blade is fixedly installed on the outer side of the first cutter disc corresponding to the position between the two adjacent first blades, and a plurality of third blades are evenly spaced along the circumference on the left end of the second cutter disc, and a fourth blade is fixedly installed on the right end of the second cutter disc corresponding to the position between the two adjacent third blades.

3. The floating residual film recovery device according to claim 2 is characterized in that A U-shaped first clamping plate with an opening facing outward is fixed to the left or right end of the first cutter disc corresponding to the first blade position, and the first blade is fixedly installed in the first clamping plate; a U-shaped second clamping plate with an opening facing outward is fixed to the left or right end of the first cutter disc corresponding to the second blade position, and the second blade is fixedly installed in the second clamping plate; a U-shaped third clamping plate with an opening facing outward is fixed to the left end of the second cutter disc corresponding to the third blade position, and the third blade is fixedly installed in the third clamping plate; a U-shaped fourth clamping plate with an opening facing outward is fixed to the left or right end of the second cutter disc corresponding to the fourth blade position, and the fourth blade is fixedly installed in the fourth clamping plate.

4. The floating residual film recovery device according to claim 2 or 3, characterized in that The film removing roller also includes a first rotating rod and a second rotating rod, wherein a first connecting ear protruding outward is fixed on the outer side of the first knife disc between each two adjacent first blades and the second blade, and a first connecting hole that runs through the left and right is provided on the left side of the first connecting ear, and the outer side of the left part of the first rotating rod is fixedly installed in the first connecting hole of the leftmost first connecting ear, and the right end of the first rotating rod is fixedly installed in the first connecting hole of the rightmost first connecting ear, and the outer side of the second knife disc corresponding to the position between the two adjacent first connecting ears is fixed with a second connecting ear that protrudes outward, and a second connecting hole that runs through the left and right is provided on the left side of the second connecting ear, the outer side of the left part of the second rotating rod is fixedly installed in the second connecting hole of the leftmost second connecting ear, and the right end of the second rotating rod is fixedly installed in the second connecting hole of the rightmost second connecting ear, and the floating plate is rotatably installed with the first rotating rod and the second rotating rod at the corresponding position respectively; or / and, a plurality of connecting tubes are evenly spaced at the left end of the leftmost first knife disc, and the right end of each connecting tube is fixedly installed at the right end of the rightmost first knife disc after passing through the second knife disc.

5. The floating residual film recovery device according to claim 4 is characterized in that The floating plate includes a first inclined section and a second inclined section connected in sequence. The first inclined section is rotatably installed with the first rotating rod and the second rotating rod at corresponding positions respectively. In the clockwise direction, the distance between the front side of the second inclined section and the central axis is greater than the distance between the rear side of the second inclined section and the central axis. Connecting arms are fixedly installed on the left and right sides of the second inclined section, a connecting shaft is fixedly installed on the lower side of the connecting arm, and the guide wheel is rotatably installed on the outside of the connecting shaft at the corresponding position.

6. The floating residual film recovery device according to claim 1, 2, 3 or 5, characterized in that A first adjusting plate sleeved on the outer side of the left end of the central axis is fixedly installed at the lower part of the frame, and a plurality of groups of left adjusting holes are arranged at intervals along the circumference on the left side of the first adjusting plate, and each group of left adjusting holes includes at least two left connecting holes that pass through the left and right sides, and a left connecting screw hole corresponding to one of the groups of left connecting holes is arranged on the left side of the left guide rail, and a left connecting bolt whose left end is located in the left connecting hole at the corresponding position is screwed in each left connecting screw hole, and a second adjusting plate with the same structure as the first adjusting plate and symmetrically distributed is fixedly installed at the lower part of the frame, and the right side of the right guide rail is fixedly installed on the left side of the second adjusting plate.

7. The floating residual film recovery device according to claim 4 is characterized in that A first adjusting plate is fixedly installed on the lower left side of the frame, and the first adjusting plate is rotatably installed on the outer side of the left part of the central axis. A plurality of groups of left adjusting holes are provided at intervals along the circumference on the left side of the first adjusting plate, and each group of left adjusting holes includes at least two left connecting holes that pass through the left and right sides. A left connecting screw hole corresponding to one of the groups of left connecting holes is provided on the left side of the left guide rail, and a left connecting bolt whose left end is located in the left connecting hole at a corresponding position is screwed in each left connecting screw hole. A second adjusting plate with the same structure as the first adjusting plate and symmetrically distributed is fixedly installed on the lower right side of the frame, and the right side of the right guide rail is fixedly installed on the left side of the second adjusting plate.

8. The floating residual film recovery device according to claim 1, 2, 3, 5 or 7, characterized in that The left side or / and the right side of the upper part of the frame are provided with transmission holes which penetrate left and right, and a driving shaft is passed through the transmission hole on the left, and the left end of the driving shaft is transmission-mounted together with the left end of the central shaft.

9. The floating residual film recovery device according to claim 4 is characterized in that The left side or / and the right side of the upper part of the frame are provided with transmission holes which penetrate left and right, and a driving shaft is passed through the transmission hole on the left, and the left end of the driving shaft is transmission-mounted together with the left end of the central shaft.

10. The floating residual film recovery device according to claim 6 is characterized in that The left side or / and the right side of the upper part of the frame are provided with transmission holes which penetrate left and right, and a driving shaft is passed through the transmission hole on the left, and the left end of the driving shaft is transmission-mounted together with the left end of the central shaft.

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