Double-chain-row conveying and soil crushing device of plastic film residue recycling machine

By designing a double-chain conveying and soil crushing device in the residual film recovery machine, the problem of inclusion of soil and rhizomes in the old plastic film increases the difficulty and cost of processing, and efficient cleaning and transportation of the old plastic film is achieved, and recycling efficiency and use effect are improved.

CN222786304UActive Publication Date: 2025-04-25WEIFANG JIAONENG AGRICULTURAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422329726.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-04-25
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

When recycling old plastic films, the mixed soil and rhizomes increase the difficulty and cost of subsequent processing, which is particularly unfavorable for baling treatment.

Method used

A double-chain conveying and soil crushing device for residual film recovery machine is designed. Through two sets of step-shaped chain conveying devices and soil crushing devices, the crushing soil of old plastic films mixed with soil and rhizomes is realized, and the recycling efficiency is improved.

Benefits of technology

Effectively clean the mixed soil and rhizomes, reduce the cost and difficulty of subsequent treatment, improve the conveying efficiency of old mulch, and facilitate later baling treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of agricultural waste recycling, and discloses a double-chain row conveying and soil crushing device of a residual film recycling machine, which comprises a left side box plate and a right side box plate which are symmetrically arranged at an interval, two groups of step-shaped chain row devices are arranged between the left side box plate and the right side box plate, and a soil crushing device is arranged between the two groups of chain row devices. The two ends of the soil crushing device are rotationally installed on the left box plate and the right box plate respectively, driving devices are arranged at the front ends of the left box plate and the right box plate, one end of each driving device is in transmission connection with a first transmission device, the other end of each driving device is in transmission connection with a second transmission device, and the other end of each first transmission device is in transmission connection with a third transmission device. Plum-blossom-shaped roller adjusting devices are arranged at the two ends of the soil crushing device, and a tensioning device is connected to the upper portion of the second transmission device in an abutting mode. The waste mulching film recycling device is simple in overall structure, soil wound by waste mulching films can be crushed and cleaned in the waste mulching film recycling process, and the using effect is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural waste recycling, and specifically relates to a double-chain conveying and soil crushing device of a residual film recycling machine. Background Art

[0002] With the rapid development of modern agricultural technology, mulching technology has been widely used in many parts of my country due to its significant yield-increasing effect. The mulching cultivation technology has the functions of increasing ground temperature, preventing seedling frost damage, resisting drought and conserving moisture, inhibiting weed growth and extending the crop growth period, thereby greatly improving crop quality and yield. Since the technology was introduced into my country in the late 1970s, it has been immediately welcomed by farmers and widely promoted in cold, arid, semi-arid and saline-alkali areas in my country. According to statistics, the area of ​​mulching in my country has exceeded 12 million hectares, making China the largest mulching country in the world. Almost all the mulching films used to cover agricultural land in my country are polyethylene hydrocarbon plastic films. After use, this kind of mulching film is easy to break due to sunlight weathering. It is extremely difficult to degrade under natural conditions. It can exist in the soil for 200-400 years and is usually mixed with crop roots, stubble and soil. It is difficult to recycle. The residual film is not cleaned up after planting by farmers, which has affected the growth of crops and caused a serious situation of reduced yield.

[0003] In the prior art, residual film recycling machines are often used to recycle old ground films, but the recycled residual films are often mixed with a large amount of soil and rhizomes, which increases the difficulty and cost of subsequent processing, and is particularly not conducive to subsequent baling processing.

[0004] A Chinese patent with application number CN2021221718898 discloses a residual film picking and recycling machine, including a first support frame and a second support frame arranged in parallel at a certain distance, a picking mechanism is rotatably connected between the first support frame and the second support frame, a conveying mechanism is arranged on one side of the picking mechanism, and a bundling mechanism is arranged on the side of the conveying mechanism away from the picking mechanism, and two symmetrically arranged cam disks are arranged in the picking mechanism, and the two cam disks are detachably fixed to the first support frame and the second support frame respectively, and a disassembly hole is opened on the cam disk; the utility model has a reasonable structure, convenient installation and disassembly of wearing parts, good transmission effect, reliable use, improved production efficiency, reduced maintenance costs, and improved the working efficiency of the equipment.

[0005] However, in the utility model, when the old ground film is picked up by the picking mechanism and transported to the baling mechanism through the conveying mechanism for baling, the old ground film is mixed with roots and soil, which is not conducive to baling and recycling. Utility Model Content

[0006] The main technical problem to be solved by the utility model is to provide a double-chain conveying and soil crushing device for a residual film recycling machine with a simple overall structure, which can crush and clean the soil entangled with the old film during the old film recycling process, and further improve the conveying efficiency and improve the use effect.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A double-chain conveying and soil crushing device of a residual film recovery machine comprises a left box plate and a right box plate symmetrically arranged at intervals, two groups of stepped chain devices are arranged between the left box plate and the right box plate, a soil crushing device is arranged between the two groups of chain devices, two ends of the soil crushing device are rotatably mounted on the left box plate and the right box plate respectively, a driving device is arranged at the front end position of the left box plate and the right box plate, one end of the driving device is transmission-connected with a first transmission device for driving the front chain device to rotate, the other end of the driving device is transmission-connected with a second transmission device for driving the rear chain device to rotate, the other end of the first transmission device is transmission-connected with a third transmission device for driving the soil crushing device to rotate, plum blossom roller adjustment devices are arranged on both ends of the soil crushing device, and a tensioning device is connected on top of the second transmission device.

[0009] The following is a further optimization of the above technical solution by the utility model:

[0010] The chain arrangement comprises a first rotating shaft rotatably mounted on one side opposite to the left box plate and the right box plate.

[0011] Further optimization: at least three plum blossom wheels are fixedly mounted on the first rotating shaft, two of which are located at both ends of the first rotating shaft, and the remaining plum blossom wheels are evenly distributed in the middle position of the first rotating shaft.

[0012] Further optimization: a rotating belt is sleeved on the first rotating shaft near each plum blossom wheel, and the other ends of all the rotating belts are sleeved on the same second rotating shaft.

[0013] Further optimization: connecting wheels are fixedly installed at both ends of the second rotating shaft, wherein the other ends of the rotating belts located at both ends of the first rotating shaft are respectively sleeved on the outer surfaces of the connecting wheels.

[0014] Further optimization: a plurality of conveying strips are evenly spaced on the outer surface of the rotating belt, and the spacing between the two conveying strips matches the groove size of the plum blossom wheel.

[0015] Further optimization: the soil crushing device includes two plum blossom rollers rotating in opposite directions, and the distance between the two plum blossom rollers is automatically adjusted.

[0016] Further optimization: the plum blossom roller includes a central shaft rotatably mounted on the left box plate and the right box plate, a roller is sleeved on the outer surface of the central shaft, and a plurality of mutually parallel plum blossom protrusions are arranged in a circular array on the outer surface of the roller.

[0017] Further optimization: the plum blossom roller adjustment device includes an adjustment sleeve rotatably installed at one end of the central rotating shaft, an adjustment shaft is vertically arranged on the outer surface of the adjustment sleeve, and a first spring is sleeved on the outer surface of the adjustment shaft.

[0018] Further optimization: one end of the first spring is connected to the outer surface of the adjusting sleeve, the other end of the first spring is connected to the spring baffle, the other end of the adjusting shaft also passes through the spring baffle, one end of the spring baffle is vertically provided with a first bracket, and the first bracket is fixedly installed on the corresponding left box plate and right box plate at the same time.

[0019] The utility model adopts the above technical scheme, which is ingenious in conception and reasonable in structure. It can crush and clean the old mulch mixed with soil and rhizomes during the recycling of the old mulch, which is convenient for the later bundling of the old mulch and reduces the cost and difficulty of subsequent treatment of the old mulch. In addition, a double-layer chain row is used for transportation. The chain row close to the front end transports the old mulch mixed with soil and rhizomes to the soil crushing device for soil removal. After the removal is completed, the old mulch falls onto the chain row at the rear end and is transported to the bundling mechanism, which increases the transportation efficiency and is convenient to use.

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the utility model;

[0022] Figure 2 It is a left view of the overall structure in the embodiment of the utility model;

[0023] Figure 3 It is a right side view of the overall structure in the embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the plum blossom roller in the embodiment of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of location A in the embodiment of the utility model;

[0026] Figure 6 It is a schematic diagram of the structure at B in an embodiment of the utility model.

[0027] In the figure: 100-left box plate; 101-first waist hole; 102-third waist hole; 200-right box plate; 201-second waist hole; 202-fourth waist hole; 1-chain device; 10-first rotating shaft; 11-second rotating shaft; 12-plum wheel; 13-connecting wheel; 14-rotating belt; 15-conveying strip; 2-soil crushing device; 21-plum roller; 22-central rotating shaft; 23-rotating roller; 24-plum protrusion; 3-driving device; 31-driving shaft; 32-reduction box; 33-first pulley; 34-fourth pulley; 4-first transmission device; 41-first belt; 42-second pulley; 43-third sprocket; 5-second transmission device; 51-second belt; 52-third pulley; 6-third transmission device; 61-fourth sprocket; 62-fifth sprocket; 63-chain; 64-first sprocket; 65-second sprocket; 7-plum blossom roller adjustment device; 71-adjusting sleeve; 72-adjusting shaft; 73-first spring; 74-spring baffle; 75-first bracket; 8-tensioning device; 81-second bracket; 82-screw; 83-second spring; 84-nut; 85-wheel bracket; 86-tensioning wheel. DETAILED DESCRIPTION

[0028] like Figure 1-6 As shown: a double chain conveying and soil crushing device of a residual film recycling machine, comprising a left box plate 100 and a right box plate 200 symmetrically arranged at intervals, two groups of stepped chain devices 1 are arranged between the left box plate 100 and the right box plate 200, a soil crushing device 2 is arranged between the two groups of chain devices 1, and both ends of the soil crushing device 2 are rotatably mounted on the left box plate 100 and the right box plate 200 respectively, and a driving device 3 is arranged at the front end position of the left box plate 100 and the right box plate 200, one end of the driving device 3 is transmission-connected with a first transmission device 4 that drives the front chain device 1 to rotate, and the other end of the driving device 3 is transmission-connected with a second transmission device 5 that drives the rear chain device 1 to rotate, and the other end of the first transmission device 4 is transmission-connected with a third transmission device 6 that drives the soil crushing device 2 to rotate, and plum blossom roller adjustment devices 7 are arranged on both ends of the soil crushing device 2, and a tensioning device 8 is connected to the top of the second transmission device 5.

[0029] In this embodiment, a shovel is further provided at the front end of the left box board 100 and the right box board 200, which is not shown in the figure. The function of the shovel is to shovel out the old ground film mixed with soil and rhizomes from the ground, and then place it on the chain device 1 for transportation.

[0030] The rear ends of the left box plate 100 and the right box plate 200 are also provided with baling mechanisms (not shown in the figure), and the baling mechanisms can bundle the recycled old ground films.

[0031] In the prior art, the scraper and the baling mechanism are two commonly used mechanisms in residual film recycling machines, and the basic principles are well known and will not be described here.

[0032] The two groups of chain devices 1 are arranged in a sloped direction from low to high from the front end to the rear end of the left box plate 100 and the right box plate 200. With this design, one end of a group of chain devices 1 close to the front end is close to the shovel position, which is convenient for transporting the old ground film, and the other end of the chain device 1 close to the front end is close to the soil crushing device 2, and the transported old ground film enters the soil crushing device 2 for soil crushing and cleaning.

[0033] One end of another group of chain devices 1 near the rear end is located below the soil crushing device 2, and the other end of the chain device 1 near the rear end is close to the baling mechanism, that is, the old ground film falling from the soil crushing device 2 falls onto the chain device 1 near the rear end, and the old ground film is transported to the baling mechanism to complete the baling.

[0034] The chain device 1 includes a first rotating shaft 10 rotatably mounted on one side of the left box plate 100 and the right box plate 200 via a bearing.

[0035] At least three plum blossom wheels 12 are fixedly mounted on the first rotating shaft 10 , wherein two plum blossom wheels 12 are located at two ends of the first rotating shaft 10 , and the remaining plum blossom wheels 12 are evenly distributed in the middle of the first rotating shaft 10 .

[0036] In this embodiment, the plum blossom wheel 12 is made of rubber material.

[0037] A rotating belt 14 is sleeved on the first rotating shaft 10 near each plum blossom wheel 12 , and the other ends of all the rotating belts 14 are sleeved on the same second rotating shaft 11 .

[0038] Connecting wheels 13 are fixedly mounted at both ends of the second rotating shaft 11 , wherein the other ends of the rotating belts 14 located at both ends of the first rotating shaft 10 are respectively sleeved on the outer surfaces of the connecting wheels 13 .

[0039] A plurality of conveying strips 15 are evenly spaced on the outer surface of all rotating belts 14, and the spacing between the two conveying strips 15 matches the groove size of the plum blossom wheel 12. With this design, the conveying strips 15 located on the outer surface of the plum blossom wheel 12 are stuck in the groove of the plum blossom wheel 12, and the first rotating shaft 10 rotates to drive the plum blossom wheel 12 to rotate, and then drives the corresponding conveying strips 15 to rotate. Under the action of the rotating belt 14, the chain device 1 realizes transportation.

[0040] A first waist hole 101 is opened on the left box plate 100 near the soil crushing device 2 , and a second waist hole 201 is opened on the right box plate 200 at a position corresponding to the first waist hole 101 .

[0041] The soil crushing device 2 comprises two plum-shaped rollers 21 rotating in opposite directions, and the distance between the two plum-shaped rollers 21 is automatically adjusted.

[0042] The two ends of one of the plum blossom rollers 21 are rotatably mounted in the first waist hole 101 and the second waist hole 201 respectively, that is, the plum blossom roller 21 can slide in the first waist hole 101 and the second waist hole 201 at the same time;

[0043] The initial position of the soil crushing device 2 is that the distance between the two plum blossom rollers 21 is 1-3 cm, and one of the plum blossom rollers 21 can slide in the first waist hole 101 and the second waist hole 201 to adjust the distance between the two plum blossom rollers 21, making it convenient for the old mulch film carrying the crushed soil and rhizomes to enter between the two plum blossom rollers 21, and complete the crushed soil cleaning under the squeezing of the two plum blossom rollers 21.

[0044] like Figure 1 , Figure 4 As shown together, the plum blossom roller 21 includes a central rotating shaft 22 rotatably mounted on the left box plate 100 and the right box plate 200 .

[0045] The outer surface of the central rotating shaft 22 is sleeved with a rotating roller 23, and the outer surface of the rotating roller 23 has a plurality of mutually parallel plum blossom protrusions 24 in an annular array, and the plum blossom protrusions 24 play a role in squeezing and crushing soil.

[0046] like Figure 5 As shown, the plum blossom roller adjustment device 7 includes an adjustment sleeve 71 rotatably mounted at one end of the central rotating shaft 22 through a bearing. The central rotating shaft 22 is the central rotating shaft 22 located at the first waist hole 101 and the second waist hole 201 .

[0047] An adjusting shaft 72 is vertically arranged on the outer surface of the adjusting sleeve 71 , and the extending direction of the adjusting shaft 72 is consistent with the length direction of the first waist hole 101 and the second waist hole 201 .

[0048] A first spring 73 is sleeved on the outer surface of the adjusting shaft 72 , one end of the first spring 73 is abutted on the outer surface of the adjusting sleeve 71 , and the other end of the first spring 73 is abutted on a spring baffle 74 .

[0049] The other end of the adjustment shaft 72 passes through the spring baffle 74 , and a first bracket 75 is vertically arranged at one end of the spring baffle 74 . The first bracket 75 is fixedly mounted on the corresponding left box plate 100 and right box plate 200 .

[0050] With such a design, in the initial position, the first spring 73 can ensure that the plum blossom roller 21 rotating in the first waist hole 101 and the second waist hole 201 is located at one end of the first waist hole 101 and the second waist hole 201. When the old ground film mixed with roots and soil enters between the two plum blossom rollers 21, the plum blossom roller 21 in the first waist hole 101 and the second waist hole 201 is displaced along the length direction of the first waist hole 101 and the second waist hole 201 under the action of the old ground film. Under the reaction force of the first spring 73, the plum blossom roller 21 in the first waist hole 101 and the second waist hole 201 squeezes the old ground film mixed with soil and crushes the soil, completing the function of crushing and cleaning the old ground film, which is convenient for later bundling.

[0051] like Figure 1 As shown, the driving device 3 includes a reduction box 32 fixedly installed at the front end of the left box plate 100 and the right box plate 200.

[0052] In this embodiment, the reduction box 32 is provided with two power output ends, and the two power output ends are symmetrically arranged and both are fixedly connected to the driving shaft 31 .

[0053] At the same time, a driving shaft 31 extends to the left box plate 100 and penetrates the left box plate 100 and is fixedly mounted with a first pulley 33 .

[0054] Another driving shaft 31 extends toward the right box plate 200 and penetrates the right box plate 200 and is fixedly mounted with a fourth pulley 34 .

[0055] The power input end of the reduction box 32 is transmission-connected to the power system of the residual film baler. The specific connection method is well known in the prior art and will not be described in detail here.

[0056] like Figure 2 As shown, the first transmission device 4 includes a first belt 41 connected to the outer surface of the first pulley 33, and the other end of the first belt 41 is connected to the second pulley 42. The second pulley 42 is also fixedly installed at one end of the first rotating shaft 10 at the front end of the left box plate 100 and the right box plate 200.

[0057] A third sprocket 43 is fixedly mounted on the first rotating shaft 10 near the second pulley 42 .

[0058] like Figure 3 As shown, the second transmission device 5 includes a second belt 51 connected to the outer surface of the fourth pulley 34 , and the other end of the second belt 51 is connected to the third pulley 52 .

[0059] The third pulley 52 is fixedly mounted on one end of the first rotating shaft 10 at the rear end of the left box plate 100 and the right box plate 200 .

[0060] With this design, the power output end of the reduction box 32 drives the driving shaft 31 to rotate, and drives the two first rotating shafts 10 to rotate under the transmission action of the first belt 41 and the second belt 51. Under the action of the plum blossom wheel 12, the conveying bar 15 moves in sequence to realize the conveying function of the chain device 1.

[0061] like Figure 2-3 As shown, the third transmission device 6 includes a chain 63 connected to the outer surface of the third sprocket 43.

[0062] First sprockets 64 are fixedly mounted on both ends of a central rotating shaft 22 on the first waist hole 101 and the second waist hole 201 .

[0063] A second sprocket 65 is fixedly mounted on one end of the other central rotating shaft 22 near the second pulley 42 .

[0064] A third waist hole 102 is provided on the left box plate 100 below the first waist hole 101 , and the direction of the third waist hole 102 is perpendicular to the direction of the first waist hole 101 .

[0065] A fourth waist hole 202 is formed on the right box plate 200 at a position corresponding to the third waist hole 102 .

[0066] A fifth sprocket 62 is rotatably mounted at the upper ends of the third waist hole 102 and the fourth waist hole 202 .

[0067] The third waist hole 102 and the fourth waist hole 202 are used to adjust the position of the fifth sprocket 62 for easy installation.

[0068] The fourth sprocket 61 is rotatably mounted on the left box plate 100 and the right box plate 200 at a position above the fifth sprocket 62 .

[0069] The chain 63 is simultaneously connected to the outer surfaces of the fourth sprocket 61 and the fifth sprocket 62 .

[0070] The chain 63 is also in contact with the lower portion of the second sprocket 65 and the upper portion of the first sprocket 64 .

[0071] With such a design, when the chain 63 is transmitting, it is ensured that the second sprocket 65 and the first sprocket 64 rotate in opposite directions, and then drive the two plum blossom rollers 21 to rotate in opposite directions, thereby achieving a squeezing effect.

[0072] like Figure 3 , Figure 6 As shown, the tensioning device 8 includes a second bracket 81 vertically arranged on the right box plate 200 and located above the second transmission device 5, and a screw rod 82 is inserted into the second bracket 81.

[0073] The screw rod 82 is located at the upper end of the second bracket 81 and is sleeved with a second spring 83. The screw rod 82 is located at the upper end of the second bracket 81 and is threadedly connected with a nut 84. In this design, one end of the second spring 83 is abutted against the second bracket 81, and the other end of the second spring 83 is abutted against the nut 84.

[0074] The screw rod 82 is fixedly connected to a wheel bracket 85 at the lower end of the second bracket 81 , and a tensioning wheel 86 is rotatably mounted on the other end of the wheel bracket 85 . The tensioning wheel 86 is also abutted against the outer surface of the second belt 51 .

[0075] With such a design, the second belt 51 is tensioned under the action of the second spring 83 .

[0076] For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and deformations made to the implementation methods are still within the protection scope of the present invention.

Claims

1. A double-chain conveying and soil crushing device for a residual film recycling machine, comprising a left box plate (100) and a right box plate (200) symmetrically arranged at intervals, characterized in that: Two groups of stepped chain row devices (1) are arranged between the left box plate (100) and the right box plate (200), a soil crushing device (2) is arranged between the two groups of chain row devices (1), two ends of the soil crushing device (2) are rotatably mounted on the left box plate (100) and the right box plate (200), a driving device (3) is arranged at the front end of the left box plate (100) and the right box plate (200), one end of the driving device (3) is drivingly connected to a first transmission device (4) for driving the front chain row device (1) to rotate, the other end of the driving device (3) is drivingly connected to a second transmission device (5) for driving the rear chain row device (1) to rotate, the other end of the first transmission device (4) is drivingly connected to a third transmission device (6) for driving the soil crushing device (2) to rotate, both ends of the soil crushing device (2) are provided with plum blossom roller adjustment devices (7), and a tensioning device (8) is connected to the top of the second transmission device (5).

2. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 1 is characterized in that: The chain device (1) comprises a first rotating shaft (10) rotatably mounted on a side opposite to a left box plate (100) and a right box plate (200).

3. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 2 is characterized in that: At least three plum blossom wheels (12) are fixedly mounted on the first rotating shaft (10), two of which are located at two ends of the first rotating shaft (10), and the remaining plum blossom wheels (12) are evenly distributed in the middle of the first rotating shaft (10).

4. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 3 is characterized in that: A rotating belt (14) is sleeved on the first rotating shaft (10) at a position close to each plum blossom wheel (12), and the other ends of all the rotating belts (14) are sleeved on the same second rotating shaft (11).

5. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 4 is characterized in that: Connecting wheels (13) are fixedly mounted at both ends of the second rotating shaft (11), wherein the other ends of the rotating belts (14) located at both ends of the first rotating shaft (10) are respectively sleeved on the outer surfaces of the connecting wheels (13).

6. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 5 is characterized in that: A plurality of conveying strips (15) are evenly spaced on the outer surface of the rotating belt (14), and the spacing between two conveying strips (15) matches the size of the groove of the plum blossom wheel (12).

7. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 6 is characterized in that: The soil crushing device (2) comprises two plum-shaped rollers (21) rotating in opposite directions, and the distance between the two plum-shaped rollers (21) is automatically adjusted.

8. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 7 is characterized in that: The plum blossom roller (21) comprises a central rotating shaft (22) rotatably mounted on the left box plate (100) and the right box plate (200); a rotating roller (23) is sleeved on the outer surface of the central rotating shaft (22); and a plurality of mutually parallel plum blossom protrusions (24) are provided in an annular array on the outer surface of the rotating roller (23).

9. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 8 is characterized in that: The plum blossom roller adjustment device (7) comprises an adjustment sleeve (71) rotatably mounted at one end of the central rotating shaft (22), an adjustment shaft (72) being vertically arranged on the outer surface of the adjustment sleeve (71), and a first spring (73) being sleeved on the outer surface of the adjustment shaft (72).

10. The double-chain conveying and soil crushing device of the residual film recycling machine according to claim 9, characterized in that: One end of the first spring (73) is connected to the outer surface of the adjustment sleeve (71), and the other end of the first spring (73) is connected to the spring baffle (74). The other end of the adjustment shaft (72) also passes through the spring baffle (74). A first bracket (75) is vertically arranged at one end of the spring baffle (74). The first bracket (75) is fixedly mounted on the corresponding left box plate (100) and right box plate (200).