CN117158140A - Dry land rake teeth type mulch recycling machine - Google Patents

Abstract

The invention discloses a dry land rake tooth type mulch recycling machine, which comprises a frame, wherein the frame can be driven by traction equipment to operate, ground wheels are arranged on two sides of the frame, the rear end of the frame is fixedly connected with a row of rake teeth, the rake teeth can penetrate into soil for forming a film, a pressing roller matched with the concave surface of the rake teeth is arranged on the concave surface of the rake teeth, an elastic rubber ring is arranged on the outer edge of the pressing roller, the outer edge of the elastic rubber ring contacts with the rake teeth, the elastic rubber ring correspondingly rotates along with the rotation of the pressing roller, the mulch pulled by the rake teeth is rolled, and the elastic rubber ring extrudes soil bonded on two sides of the mulch between the rake teeth and the elastic rubber ring through the pressing between the rake teeth, so that hardened soil is crushed. According to the invention, the elastic rubber ring is driven to synchronously run by the rotation of the abutting roller, the mulch film pulled up by the rake teeth is extruded, the hardened soil on a part of the mulch film between the rake teeth and the elastic rubber ring is crushed, and the crushed hardened soil is crushed into soil blocks which are automatically separated from the mulch film and fall on the land.

Description

Dry land rake teeth type mulch recycling machine

Technical Field

The invention relates to the technical field of mulch recycling equipment, in particular to a dry land rake tooth type mulch recycling machine.

Background

The agricultural mulching film is a polyethylene film which is difficult to degrade under natural conditions, so that the operation quality of the agricultural machinery is affected, ditches are blocked, and the existence of residual film seriously causes the yield reduction of crops.

The existing mulch recycling machine is used for entering soil and lifting the mulch through the rake teeth which are arranged, the mulch is pulled up to separate from the soil by being matched with the power driving of the dragging equipment, however, the mulch paved on the dry land is easy to harden due to lack of water in the soil, the hardened soil is easy to adhere firmly to the two sides of the mulch, when the rake teeth pull up the mulch, the hardened soil adhered to the mulch is pulled up together and recycled, on one hand, the weight of the mulch pulled by the recycling machine is obviously increased, the unnecessary energy loss of the dragging equipment is increased, on the other hand, the mulch is correspondingly recycled to part of soil due to the adhesion of the mulch, and the part of agricultural soil is caused to be lost.

Disclosure of Invention

The invention aims to provide a dry land rake tooth type mulch recycling machine which is used for separating hardened soil bonded by mulch films, so that the energy loss of a traction device is reduced, and the phenomenon that excessive soil is lost due to mulch film recycling of agricultural soil is avoided.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a dry land rake teeth formula plastic film recycling machine, includes the frame, the frame can be pulled the drive operation by the haulage equipment, the frame both sides all set up the land wheel, a row of rake teeth of frame rear end fixed connection, the rake teeth can get into the soil and play the membrane the concave surface of rake teeth sets up the pressure roller that supports with it looks adaptation, it sets up the elastic rubber circle to support the pressure roller outer fringe, the elastic rubber circle outer fringe touches with the rake teeth, along with support the pressure roller rotation, the elastic rubber circle is rotatory correspondingly, will the plastic film of rake teeth pull is scrolled, the elastic rubber circle through with support between the rake teeth press with the plastic film both sides bonding between the elastic rubber circle is extruded, pulverizes the soil with hardening.

Preferably, the traction frame is fixed at the front end of the frame, the vertical plates are fixedly connected to two sides of the frame, two ends of the pressing roller are respectively connected with two vertical plates in a rotating mode, a first stepping motor is installed on the outer side of one of the vertical plates, the output end of the first stepping motor is fixedly connected with one end of the pressing roller, two vertical plates are further connected with the conveying roller in a rotating mode, the elastic rubber ring is sleeved on the pressing roller and the conveying roller at the same time, and grooves are formed in the circumference of the elastic rubber ring at equal intervals.

Preferably, two fixed connection flat board between the riser, the flat board orientation the one side shape of transfer roller with elastic rubber circle outer fringe looks adaptation still set up a plurality of telescopic pinch rolls in the frame, the pinch rolls with elastic rubber circle is supported and is pressed and is touched, the pinch rolls with the crisscross setting of rake teeth.

Preferably, the telescopic clamping wheel comprises a fixed plate fixedly connected to the frame and a telescopic plate rotationally connected to the clamping wheel, the telescopic plate is provided with a telescopic groove, the fixed plate is in sliding connection with the telescopic groove, a plurality of pressure springs are further arranged in the telescopic groove, and two ends of each pressure spring are respectively connected with the telescopic plate and the telescopic groove.

Preferably, the frame rotates and connects two first pivots, first pivot outer wall is fixed to cup joint the balancing weight, two balancing weight symmetry sets up, and the lapping is in on the flat board, the one end of first pivot passes the frame and outwards extends, first pivot extension's the outer wall fixed connection first touch panel still rotate in the frame and connect two second pivots, second pivot outer wall fixed connection at least one second touch panel and gear, two on the two second pivots the gear intermeshing connects the fixed connection mounting panel in the frame, the mounting panel installs second step motor, second step motor's output with one of them second pivot fixed connection.

Preferably, one side of the flat plate is fixedly connected with a plurality of first plate bodies, two adjacent first plate bodies are not contacted with each other, two adjacent first plate bodies are fixedly connected with second plate bodies, two adjacent second plate bodies are not contacted with each other, the area between the two adjacent first plate bodies is set to be a first falling area, the area between the two adjacent second plate bodies is set to be a second falling area, and the first falling area and the second falling area are mutually staggered.

Preferably, a plurality of the same side fixed connection bending board of second plate body, the bending board has straight section part and bight, straight section part with second plate body one side fixed connection, bight downwarping the frame below fixed mounting collecting box, the guide board of fixed connection slope in the collecting box, the guide board tilt up extends to the position of bending board top surface parallel and level, the guide board has a plurality of leak holes, the leak hole runs through the guide board.

The method for removing hardened soil by using the mulching film comprises the following steps:

the traction frame is pulled by the traction equipment so as to drive the frame to advance on the farm land, and the harrow teeth enter the soil for forming a film;

after the mulching film is lifted, the mulching film moves upwards along the concave surface bending of the rake teeth, contacts with the elastic rubber ring, starts the first stepping motor, enables the elastic rubber ring to start running and rotating, enables the mulching film contacted with the elastic rubber ring to continue to move upwards under the driving of the elastic rubber ring, and extrudes and pulverizes part of the area of the mulching film;

the mulching film rotates along with the running of the elastic rubber ring and then is abutted against the clamping wheels, and the residual part area of the mulching film is extruded and crushed;

starting a second stepping motor to drive the two second rotating shafts to reversely rotate, so that the two balancing weights intermittently lift and fall to smash the hard soil with high bonding degree on the two sides of the mulching film, and after passing through the first falling area and the second falling area, the broken soil blocks on the bottom surface of the mulching film automatically fall on the land;

after the mulching film passes through the guide plate, the broken soil blocks on the top surface of the mulching film automatically fall on the ground at the leakage holes, and the mulching film is finally collected in the collecting box.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the elastic rubber ring is driven to synchronously run by the rotation of the abutting roller, the mulch film pulled up by the rake teeth is extruded, the hardened soil on a part of the mulch film between the rake teeth and the elastic rubber ring is crushed, and the crushed hardened soil is crushed into soil blocks which are automatically separated from the mulch film and fall on the land.

According to the invention, the hardened soil on the residual part of the mulching film is crushed by the plurality of clamping wheels which are staggered with the rake teeth, and the hardened soil is enabled to be broken soil blocks through the pressure of the pressure springs and the abutting force of the flat plates.

According to the invention, the two balancing weights are driven by the second stepping motor to intermittently rise to store gravitational potential energy and release the gravitational potential energy to fall down to the mulching film, so that the hardened soil with high cohesiveness and firmness on the mulching film is punched and smashed into broken soil blocks, and then the broken soil blocks are separated from the mulching film and fall on the farmland through the first falling area, the second falling area and the guide plate.

Drawings

FIG. 1 is a schematic diagram of a dry land rake teeth type mulch recycling machine according to the present invention;

fig. 2 is a schematic diagram of a connection structure between a rake tooth and a collision roller in a dry land rake tooth type mulching film recycling machine according to the present invention;

FIG. 3 is a schematic view of the structure of the abutting roller, the conveying roller and the elastic rubber ring in the dry land rake teeth type mulch recycling machine;

FIG. 4 is an exploded view of a connection structure between a second stepper motor and two weights in a dry land rake-type mulch recycling machine according to the present invention;

FIG. 5 is a schematic view of a first rotating shaft and a second rotating shaft and the structure thereof in a dry land rake-type mulch recycling machine according to the present invention;

FIG. 6 is a schematic view of a curved plate and a collecting box in a dry land rake-type mulch recycling machine according to the present invention;

FIG. 7 is a schematic view of a first drop zone and a second drop zone of a dry land rake-type mulch retriever according to the present invention;

FIG. 8 is a schematic structural view of a fixed plate and a telescopic plate in a dry land rake-type mulch recycling machine according to the present invention;

FIG. 9 is a schematic view showing the structure of a tine lifting film in a dry land tine type mulch recycling machine according to the present invention

In the figure: 1. a frame; 2. a land wheel; 3. rake teeth; 4. pressing roller; 5. an elastic rubber ring; 6. a traction frame; 7. a vertical plate; 8. a first stepping motor; 9. a conveying roller; 10. a groove; 11. a flat plate; 12. a pinch roller; 13. a telescoping plate; 14. a telescopic slot; 15. a pressure spring; 16. a first rotating shaft; 17. balancing weight; 18. a first touch plate; 19. a second rotating shaft; 20. a second touch plate; 21. a gear; 22. a mounting plate; 23. a second stepping motor; 24. a first plate body; 25. a second plate body; 26. a first drop zone; 27. a second drop zone; 28. bending the plate; 29. a straight section portion; 30. a curved portion; 31. a collection box; 32. a guide plate; 33. a leak hole; 34. and a fixing plate.

Description of the embodiments

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.

Referring to fig. 1-9, a dry land rake teeth type mulch recycling machine comprises a frame 1, wherein the frame 1 can be driven to operate by traction equipment, ground wheels 2 are arranged on two sides of the frame 1, the frame 1 is advanced on the farmland, the rear end of the frame 1 is fixedly connected with a row of rake teeth 3, the rake teeth 3 can penetrate into the soil to form a film, a pressing roller 4 matched with the concave surface of the rake teeth 3 is arranged on the concave surface of the rake teeth 3, an elastic rubber ring 5 is arranged on the outer edge of the pressing roller 4, the outer edge of the elastic rubber ring 5 contacts with the rake teeth 3, the elastic rubber ring 5 correspondingly rotates along with the rotation of the pressing roller 4, the mulch film pulled up by the rake teeth 3 is rolled, the elastic rubber ring 5 extrudes soil bonded on two sides of the mulch film between the rake teeth 3 and the elastic rubber ring 5 through the pressing between the rake teeth 3, and the hardened soil is crushed, and the hardened soil is automatically separated from the mulch film and falls on the farmland.

The traction frame 6 is fixed at the front end of the frame 1 and is used for dragging equipment to drag the frame 1, two sides of the frame 1 are fixedly connected with the vertical plates 7, two ends of the pressing roller 4 are respectively and rotatably connected with the two vertical plates 7, a first stepping motor 8 is arranged at the outer side of one of the vertical plates 7, the output end of the first stepping motor 8 is fixedly connected with one end of the pressing roller 4 and is used for realizing the rotation of the pressing roller 4, the two vertical plates 7 are also rotatably connected with the conveying roller 9, the elastic rubber ring 5 is sleeved on the pressing roller 4 and the conveying roller 9 at the same time, the circumference of the elastic rubber ring 5 is provided with grooves 10 at equal intervals, when the elastic rubber ring 5 is contacted with the hardened soil with high bonding degree on the pressing mulching film, the outer ring of the elastic rubber ring 5 deforms into the grooves 10, and the phenomenon that the mulching film cannot be smoothly conveyed and recovered due to the mutual collision of part of the hardened soil with high bonding degree and firm elastic rubber ring 5 is avoided;

a flat plate 11 is fixedly connected between the two vertical plates 7, the shape of one side of the flat plate 11 facing the conveying roller 9 is matched with the outer edge of the elastic rubber ring 5, the rotation of the elastic rubber ring 5 is not hindered, a plurality of telescopic clamping wheels 12 are further arranged on the frame 1, the clamping wheels 12 are in pressing contact with the elastic rubber ring 5, the clamping wheels 12 are arranged in a staggered manner with the rake teeth 3, and the blank areas of the elastic rubber ring 5, which do not correspond to the rake teeth 3, are extruded to crush hardened soil;

the telescopic clamping wheel 12 comprises a fixed plate 34 fixedly connected to the frame 1 and a telescopic plate 13 rotationally connected with the clamping wheel 12, the telescopic plate 13 is provided with a telescopic groove 14, the fixed plate 34 is in sliding connection with the telescopic groove 14, a plurality of pressure springs 15 are further arranged in the telescopic groove 14, two ends of each pressure spring 15 are respectively connected with the telescopic plate 13 and the telescopic groove 14, and hardened soil with high bonding degree and firmness is encountered on the clamping wheel 12, so that the clamping wheel 12 can be promoted to move upwards and the mulching film can be smoothly conveyed and advanced;

the machine frame 1 is rotationally connected with two first rotating shafts 16, the outer walls of the first rotating shafts 16 are fixedly sleeved with balancing weights 17, the two balancing weights 17 are symmetrically arranged and are lapped on the flat plate 11, one end of each first rotating shaft 16 penetrates through the machine frame 1 to extend outwards, the outer walls of the extending parts of the first rotating shafts 16 are fixedly connected with first touch plates 18, the machine frame 1 is rotationally connected with two second rotating shafts 19, the outer walls of the second rotating shafts 19 are fixedly connected with at least one second touch plate 20 and a gear 21, the two gears 21 on the two second rotating shafts 19 are in meshed connection with each other, the machine frame 1 is fixedly connected with a mounting plate 22, the mounting plate 22 is provided with a second stepping motor 23, the output ends of the second stepping motor 23 are fixedly connected with one of the two second rotating shafts 19, during driving, the two second rotating shafts 19 are rotated oppositely, the first rotating shafts 16 are caused to rotate correspondingly by the second touch plates 20, the balancing weights 17 are enabled to move upwards rotationally to realize the storage force of the balancing weights 17, when the second touch plates 20 and the first rotating plates 18 are mutually meshed with each other, the two side plates 17 are separated from each other according to the gravity potential energy accumulated by the second touch plates, and the soil is enabled to impact the soil and the broken soil and separate from the soil which is broken and the soil which is punched and the soil which is stuck downwards;

a plurality of first plate bodies 24 are fixedly connected to one side of the flat plate 11, two adjacent first plate bodies 24 are not contacted with each other, two second plate bodies 25 are fixedly connected between the two adjacent first plate bodies 24, the two adjacent second plate bodies 25 are not contacted with each other, the area between the two adjacent first plate bodies 24 is set to be a first falling area 26, the area between the two adjacent second plate bodies 25 is set to be a second falling area 27, two sides of a mulching film which is punched and smashed through the balancing weight 17 are provided with hardened soil separated from the vibration, the bottom surface of the mulching film passes through the first falling area 26 before passing through the second falling area 27 in the advancing process, and the hardened soil on the bottom surface of the mulching film automatically falls on the agricultural land;

the same side fixed connection crooked board 28 of a plurality of second plate bodies 25, crooked board 28 has straight section part 29 and crooked part 30, straight section part 29 and second plate body 25 one side fixed connection, crooked part 30 downwarping, fixed mounting collecting box 31 below frame 1, the guide board 32 of fixed connection slope in the collecting box 31, guide board 32 upward sloping extends to the position of crooked board 28 top surface parallel and level, guide board 32 has a plurality of weeping holes 33, weeping holes 33 run through guide board 32 for the plastic film falls in collecting box 31 at the guide of guide board 32, and the hardened soil of plastic film top surface falls on the farmland through the weeping holes 33 of guide board 32 automatically.

Working principle:

the traction frame 6 is pulled by the traction equipment to drive the frame 1 to advance on the farm, the harrow teeth 3 enter the soil for film lifting, the mulch film is lifted and then moves upwards along the concave surface of the harrow teeth 3, the mulch film is contacted with the elastic rubber ring 5, the first stepping motor 8 is started, the elastic rubber ring 5 starts to rotate, the mulch film contacted with the elastic rubber ring 5 continues to move upwards under the driving of the elastic rubber ring 5, meanwhile, the elastic rubber ring 5 extrudes part of the mulch film, the hardened soil on the part of the mulch film is extruded and crushed, the mulch film follows the operation rotation of the elastic rubber ring 5 and then is abutted against the clamping wheels 12, the residual part of the mulch film is extruded and crushed, the second stepping motor 23 is started to drive the two second rotating shafts 19 to rotate reversely, so that the two balancing weights 17 are intermittently lifted and fall to the mulch film located on the flat plate 11, the high-adhesion and firm hardened soil on two sides of the mulch film is crushed, after passing through the first dropping area 26 and the second dropping area 27, the crushed soil block of the mulch film automatically falls on the farm film, the top surface 32 is automatically dropped on the ground, the mulch film is automatically guided by the guide plate falls on the ground to the ground through the ground 32, and finally falls to the mulch film 31 at the ground hole 33.

It should be noted that:

referring to fig. 9, the surface of the rake teeth corresponding to the elastic rubber ring is set to be concave, and the surface facing away from the rake teeth is set to be convex;

after the harrow teeth 3 are in the soil for forming films, residual films after forming films are gathered on the concave surfaces of the harrow teeth 3, the harrow teeth 3 continuously advance under the drive of power, more residual films are lifted and can push the residual films gathered on the concave surfaces of the harrow teeth 3 to move upwards along the concave surfaces of the harrow teeth 3, the residual films move upwards along the concave track in a bending way for a certain distance and are contacted with the elastic rubber ring 4, the residual films are pressed and limited by the elastic rubber ring 4 and the concave surfaces of the harrow teeth 3, and then the residual films are moved to the upper parts of the elastic rubber ring 4 through the operation of the elastic rubber ring 4, wherein when the residual films pass through the concave surfaces of the elastic rubber ring 4 and the harrow teeth 3, the residual films are extruded for the first time to crush soil;

through the operation of elastic rubber circle 4 makes the plastic film residue through once extrudeing and remove to elastic rubber circle 4 top to follow-up continuous have the plastic film residue to remove, thereby promote the plastic film residue to advance towards pinch roller 12 direction, when plastic film residue and pinch roller 12 contact, through the support pressure between pinch roller 12 and the elastic rubber circle 4, realize to plastic film residue secondary extrusion, simultaneously under the operation of elastic rubber circle 4, the plastic film residue has the power that advances to the dull and stereotyped 11 direction, this power supports plastic film residue and drops regional 26, the second through first drop region 27 and guide board 32.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a dry land rake teeth formula plastic film recycling machine, its characterized in that, includes frame (1), frame (1) can be by hauling equipment traction drive operation, frame (1) both sides all set up land wheel (2), frame (1) rear end fixed connection one row rake teeth (3), rake teeth (3) can go into the soil play membrane the concave surface setting of rake teeth (3) is with the pressure roller (4) of its looks adaptation, pressure roller (4) outer fringe sets up elastic rubber circle (5), elastic rubber circle (5) outer fringe touches with rake teeth (3), along with pressure roller (4) rotation, elastic rubber circle (5) are rotatory correspondingly, will the plastic film that tooth (3) pulled up rolls up, elastic rubber circle (5) through with support between rake teeth (3) press to the soil that the both sides between the elastic rubber circle (5) bond is extruded, pulverizes the soil with the hardening.

2. The dry land rake teeth type mulching film recycling machine according to claim 1, wherein a traction frame (6) is fixed at the front end of the frame (1), vertical plates (7) are fixedly connected to two sides of the frame (1), two ends of the pressing roller (4) are respectively connected with the two vertical plates (7) in a rotating mode, a first stepping motor (8) is installed on the outer side of one of the vertical plates (7), the output end of the first stepping motor (8) is fixedly connected with one end of the pressing roller (4), two vertical plates (7) are further connected with a conveying roller (9) in a rotating mode, elastic rubber rings (5) are sleeved on the pressing roller (4) and the conveying roller (9) at the same time, and grooves (10) are formed in the circumference of the elastic rubber rings (5) in an equidistant mode.

3. The dry land rake tooth type mulching film recycling machine according to claim 2, characterized in that a flat plate (11) is fixedly connected between the two vertical plates (7), one side of the flat plate (11) facing the conveying roller (9) is matched with the outer edge of the elastic rubber ring (5), a plurality of telescopic clamping wheels (12) are further arranged on the frame (1), the clamping wheels (12) are in abutting contact with the elastic rubber ring (5), and the clamping wheels (12) are arranged in a staggered mode with the rake teeth (3).

4. A dry land rake teeth type mulch recycling machine according to claim 3, characterized in that the telescopic clamping wheel (12) comprises a fixed plate (34) fixedly connected with the frame (1) and a telescopic plate (13) rotationally connected with the clamping wheel (12), the telescopic plate (13) is provided with a telescopic slot (14), the fixed plate (34) is slidably connected with the telescopic slot (14), a plurality of pressure springs (15) are further arranged in the telescopic slot (14), and two ends of the pressure springs (15) are respectively connected with the telescopic plate (13) and the telescopic slot (14).

5. The dry land rake teeth type mulching film recycling machine according to claim 4, wherein the frame (1) is rotationally connected with two first rotating shafts (16), the outer walls of the first rotating shafts (16) are fixedly sleeved with balancing weights (17), the two balancing weights (17) are symmetrically arranged and are arranged on the flat plate (11), one end of each first rotating shaft (16) penetrates through the frame (1) to extend outwards, the outer walls of the extending parts of the first rotating shafts (16) are fixedly connected with first touch plates (18), the frame (1) is rotationally connected with two second rotating shafts (19), the outer walls of the second rotating shafts (19) are fixedly connected with at least one second touch plate (20) and a gear (21), the two gears (21) on the two second rotating shafts (19) are in meshed connection, a mounting plate (22) is fixedly connected with the frame (1), the second step motor (23) is mounted on one mounting plate (22), and the output end of the second step motor (23) is fixedly connected with one second rotating shaft (19).

6. The dry land rake teeth type mulch recycling machine according to claim 5, wherein a plurality of first plate bodies (24) are fixedly connected to one side of the flat plate (11), two adjacent first plate bodies (24) are not contacted with each other, two adjacent first plate bodies (24) are fixedly connected with second plate bodies (25) are not contacted with each other, a first falling area (26) is set as an area between two adjacent first plate bodies (24), a second falling area (27) is set as an area between two adjacent second plate bodies (25), and the first falling areas (26) and the second falling areas (27) are arranged in a staggered manner.

7. The dry land rake-type mulch recycling machine according to claim 6, wherein a plurality of the second plates (25) are fixedly connected with a bending plate (28) on the same side, the bending plate (28) is provided with a straight section (29) and a bending part (30), the straight section (29) is fixedly connected with one side of the second plates (25), the bending part (30) is bent downwards, a collecting box (31) is fixedly installed below the frame (1), an inclined guide plate (32) is fixedly connected in the collecting box (31), the guide plate (32) is inclined upwards and extends to the position where the top surfaces of the bending plates (28) are flush, the guide plate (32) is provided with a plurality of leakage holes (33), and the leakage holes (33) penetrate through the guide plate (32).

8. A method for removing hardened soil from a mulch of a dry land rake tine mulch reclaimer as defined in any one of claims 1-7, comprising the steps of:

the traction frame (6) is pulled by the traction equipment so as to drive the frame (1) to advance on the farm, and the harrow teeth (3) enter the soil for forming a film;

after the mulch is lifted, the mulch moves upwards along the concave surface bending of the rake teeth (3), contacts with the elastic rubber ring (5), and starts the first stepping motor (8) to enable the elastic rubber ring (5) to start running and rotating, so that the mulch contacted with the elastic rubber ring (5) continues to move upwards under the driving of the elastic rubber ring (5), the elastic rubber ring (5) extrudes a part of the mulch, and the hardened soil on the part of the mulch is extruded and crushed;

the mulching film rotates along with the running of the elastic rubber ring (5), then is abutted against the clamping wheels (12), and the residual part area of the mulching film is extruded and crushed;

starting a second stepping motor (23) to drive the two second rotating shafts (19) to rotate oppositely, so that the two balancing weights (17) intermittently lift and fall to smash the mulch film positioned on the flat plate (11), smashing the hardened soil with high bonding degree on the two sides of the mulch film, and automatically falling the crushed soil blocks on the bottom surface of the mulch film on the land after the mulch film passes through the first falling area (26) and the second falling area (27);

after the mulch passes through the guide plate (32), the broken soil blocks on the top surface of the mulch automatically fall on the ground at the leakage holes (33), and the mulch is finally collected in the collecting box (31).