CN114223415B

CN114223415B - Afforestation trimming means for afforestation

Info

Publication number: CN114223415B
Application number: CN202111501106.6A
Authority: CN
Inventors: 韩爱兰; 张少伟; 韩爱玲; 刘华更; 秦金永; 刘晗乔
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2023-04-28
Anticipated expiration: 2041-12-09
Also published as: CN114223415A

Abstract

The utility model relates to a technical field of garden engineering especially relates to a afforestation trimming means for afforestation, and it includes the collection box, and a plurality of gyro wheels are installed to the bottom of collection box, and the top of collection box is equipped with cutting mechanism and guide mechanism, and guide mechanism's below is equipped with crushing mechanism, separating mechanism and collection mechanism, and separating mechanism includes division board, two fans and two baffles; the end part of the separating plate and the inner wall of the recovery box jointly enclose a blanking cavity; the opposite sides of the two partition boards and the inner wall of the recovery box jointly enclose a grass breaking cavity; one side of the two partition boards, which is away from each other, and the inner wall of the recovery box jointly enclose a branch breaking cavity; the two fans are respectively arranged at two opposite sides of the recovery box and are communicated with the inner side and the outer side of the recovery box; the side part of the recovery box is provided with a recovery port and an air outlet which are communicated with the inside of the recovery box; the collecting mechanism comprises a grass breaking box and two branch breaking boxes which are inserted in the recovering opening. The utility model discloses a clearance and recycle that grass and branch absolutely can be made things convenient for.

Description

Afforestation trimming means for afforestation

Technical Field

The application relates to the technical field of garden engineering, in particular to a greening trimming device for landscaping.

Background

Afforestation is a beautiful natural environment and recreation area created by modifying terrains or further building mountains, overlapping stones, arranging water, planting trees, flowers and grass, building buildings, arranging garden paths and the like by applying engineering technology and artistic means in a certain region.

In the maintenance process of gardens, needs the workman often to use the pruning sword to prune the bush, and the broken grass broken branch after pruning will stay in bush department, needs the manual cleaning of workman, and comparatively troublesome to the broken grass after pruning contains abundant chlorophyll, and the chlorophyll can be used for making plant nourishment, so if the broken grass after pruning is directly abandoned, comparatively extravagant resource, consequently needs the improvement.

Disclosure of Invention

In order to facilitate the cleaning and recycling of grass and branches, the application provides a greening pruning device for landscaping.

The application provides a greening trimming means for afforestation adopts following technical scheme: the greening pruning device for landscaping comprises a recovery box, wherein a plurality of rollers are arranged at the bottom of the recovery box, a cutting mechanism and a material guiding mechanism are arranged at the top of the recovery box, the cutting mechanism is used for cutting shrubs, and the material guiding mechanism is used for guiding broken grass and broken branches into the recovery box;

the lower part of the material guiding mechanism is provided with a crushing mechanism, a separating mechanism and a collecting mechanism which are sequentially arranged in the recovery box from top to bottom, the crushing mechanism is used for crushing grass and branches, and the separating mechanism comprises a separating plate, two fans and two partition plates, wherein the separating plate, the two fans and the two partition plates are sequentially arranged in the horizontal direction;

the separating plate is arranged in the recovery box, the height of the upper surface of the separating plate gradually decreases from the center to the end part, and the end part of the separating plate and the inner wall of the recovery box jointly enclose a blanking cavity;

the two partition boards are arranged in the recovery box, one side of the two partition boards, which is opposite to the two partition boards, and the inner wall of the recovery box jointly enclose a grass breaking cavity, and the grass breaking cavity is positioned under the separating plate; one side of the two partition boards, which is away from each other, and the inner wall of the recovery box jointly enclose a broken branch cavity, and the blanking cavity is positioned right above the broken branch cavity;

the two fans are respectively arranged at two opposite sides of the recovery box and are communicated with the inner side and the outer side of the recovery box, and the fans are used for blowing broken grass between the blanking cavity and the broken branch cavity to the broken grass cavity;

the side part of the recovery box is provided with a recovery port and an air outlet which are communicated with the inside of the recovery box, and the air outlet is positioned at the grass breaking cavity;

the collection mechanism comprises a grass breaking box and two branch breaking boxes which are inserted into the recovery opening, the grass breaking box is positioned under the grass breaking cavity, and the branch breaking box is positioned under the branch breaking cavity.

By adopting the technical scheme, when a worker pushes the recovery box to move on the ground so that the cutting mechanism prunes the shrubs, the material guide mechanism guides the grass and branches pruned by the cutting mechanism into the recovery box; the crushing mechanism is used for crushing broken grass and broken branches entering the recovery box, so that the broken grass is separated from the broken branches, and the separated broken grass and broken branches slide downwards on the separating plate to pass through the blanking cavity; the first fan blows broken grass and branches passing through the blanking cavity to the grass breaking cavity, the broken grass is lighter, so that the first fan moves in a parabolic manner to pass through the grass breaking cavity and fall into the grass breaking box, and the broken branches are heavier, so that the first fan moves approximately vertically to pass through the branch breaking cavity and fall into the branch breaking box, the separate collection of broken grass and broken branches is realized, and the cleaning and recycling of broken grass and broken branches are facilitated.

Optionally, the crushing mechanism comprises a motor arranged on the recovery box, a crushing roller and a screen plate which are arranged in the recovery box, and an output shaft of the motor and the crushing roller are coaxially arranged and connected with each other; the crushing roller is horizontally arranged and is rotationally connected with the recovery box; the height of the upper surface of the screen plate gradually rises from the center to the edge, and the crushing roller is positioned right above the center of the screen plate.

Through adopting above-mentioned technical scheme, the broken grass branch of cutting that falls on the sieve will gather to the center of sieve to the motor drives crushing roller rotation crushing broken grass branch of cutting, broken grass branch of cutting that becomes appointed within a big or small range just can pass the sieve, has guaranteed the crushing effect of broken grass branch of cutting.

Optionally, the cutting mechanism includes the blade disc that rotates through the horizontal axis and connect in the collection box, and the horizontal axis is coaxial line setting with crushing roller, and the output shaft of horizontal axis and motor passes through belt drive and connects.

Through adopting above-mentioned technical scheme, when the motor drives crushing roller rotatory crushing broken grass and branch, the motor still accessible belt drive drives the horizontal axis and rotates, and the horizontal axis will drive blade disc rotation cutting bush, so the workman can realize the cutting of bush and the crushing of broken grass and branch through controlling the motor.

Optionally, the material guiding mechanism comprises two material guiding channels which are all communicated with the inside of the recovery box and two air pumps which are respectively arranged on the corresponding material guiding channels, one ends of the two material guiding channels, which are far away from the recovery box, are respectively arranged on the upper side and the lower side of the cutterhead, and the height of the material guiding channels is gradually reduced from the cutterhead to the recovery box; the air pump is communicated with the inner side and the outer side of the material guide channel, and the air pump blows air from the cutter disc to the recovery box.

By adopting the technical scheme, under the action of the air pump, the grass and branches cut by the cutter head are sucked into the material guide channel and slide into the recovery box through the material guide channel, so that the grass and branches are recovered.

Optionally, the both ends of sieve all are through being the spring coupling that vertical set up have the mount pad of installing on the collection box, and the cover is equipped with the cam that is used for contradicting the sieve upper surface on the crushing roller.

Through adopting above-mentioned technical scheme, at the rotatory in-process of crushing roller, crushing roller will be contradicted in the upper surface of sieve through the cam intermittent type for the sieve passes through the spring and constantly vibrates on the mount pad, so that the broken grass of smashing is broken branch from passing the sieve mesh on the sieve.

Optionally, broken grass intracavity is equipped with garrulous grass mechanism, and garrulous grass mechanism is including rotating the pivot of connecting in the collection box and a plurality of broken leaf of installing on the pivot lateral wall, and the pivot is the coaxial line setting with smashing the roller, and the one end of pivot stretches out the collection box and is connected in the output shaft of motor through belt drive.

Through adopting above-mentioned technical scheme, when the motor drives crushing roller rotatory crushing broken grass branch, the motor still accessible belt drive drives the pivot rotation, and the pivot will drive broken grass of broken leaf rotatory broken grass intracavity to broken grass can degrade more rapidly.

Optionally, the separation mechanism further comprises two air pipes respectively arranged on two opposite sides of the recovery box, and the two fans are respectively arranged in the corresponding air pipes; two air cavities which are respectively communicated with the corresponding air pipes are arranged between the inner wall and the outer wall of the recovery box, and the air cavities are positioned between the blanking cavity and the branch breaking cavity; the inner wall of the recovery box is provided with a plurality of air holes communicated with the air cavity, and the air holes are positioned on the upper side or the lower side of the air pipe.

Through adopting above-mentioned technical scheme, when the fan is bloied to the wind chamber, because the wind hole is dislocation set with the tuber pipe, so the wind of blowing directly to the wind chamber will scatter when colliding the chamber wall in wind chamber for the wind that the fan blown out can comparatively evenly disperse and blow out the wind hole, thereby improved the separation effect to broken grass and broken branch.

Optionally, the utility model also comprises a dust collector arranged on the recovery box, and a dust collection pipe of the dust collector penetrates through the air outlet and is positioned between the separation plate and the grass breaking cavity.

Through adopting above-mentioned technical scheme, can mix with partial saw-dust in the broken grass broken branch after being smashed, the fan will blow saw-dust to the broken grass chamber, and the dust catcher will inhale the saw-dust through the dust absorption pipe to the environment has been protected effectively.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a recycling bin, a cutting mechanism, a material guiding mechanism, a crushing mechanism, a dust collector, and a grass crushing mechanism in an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a shredder mechanism, a separator mechanism, a collector mechanism, and a grass shredder mechanism in an embodiment of the present application.

Reference numerals: 1. a recovery box; 11. a roller; 12. a handle; 13. an air outlet; 14. recovering the mouth; 2. a cutting mechanism; 21. a horizontal axis; 22. a cutterhead; 3. a material guiding mechanism; 31. a material guiding channel; 32. an air pump; 4. a crushing mechanism; 41. a motor; 42. a pulverizing roller; 43. a sieve plate; 44. a spring; 45. a mounting base; 46. a cam; 5. a separation mechanism; 51. a separation plate; 52. a blanking cavity; 53. an air duct; 54. a blower; 55. a wind chamber; 56. a wind hole; 57. a partition plate; 58. grass cutting cavity; 59. a branch breaking cavity; 6. a collection mechanism; 61. grass cutting box; 62. a branch breaking box; 63. a handle; 7. a dust collector; 71. a dust collection pipe; 8. a grass crushing mechanism; 81. a rotating shaft; 82. crushing the leaves.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses afforestation trimming means for afforestation. As shown in fig. 1, the greening pruning device for landscaping comprises a recovery box 1, wherein a plurality of rollers 11 are arranged at the bottom of the recovery box 1, so that the recovery box 1 is convenient to move; the handle 12 is arranged on the outer side wall of the recovery box 1, so that a worker can push the recovery box 1 to move conveniently; the top of the recovery box 1 is provided with two groups of cutting mechanisms 2 and two groups of guide mechanisms 3, the cutting mechanisms 2 are used for cutting shrubs, and the guide mechanisms 3 are used for guiding grass and branches to the inside of the recovery box 1.

As shown in fig. 1 and 2, a smashing mechanism 4, a separating mechanism 5 and a collecting mechanism 6 which are sequentially arranged in the recovery box 1 from top to bottom are arranged below the material guiding mechanism 3, and the smashing mechanism 4 is used for smashing broken grass and breaking branches so that the broken grass is separated from the broken branches; the separating mechanism 5 is used for separating the broken grass from the broken branches, and the collecting mechanism 6 is used for collecting the broken grass and the broken branches respectively.

The cutting mechanism 2 comprises a cutter head 22 which is rotationally connected to the top of the recovery box 1 through a horizontal shaft 21, and the two horizontal shafts 21 are coaxially arranged and welded together, so that synchronous rotation of the two horizontal shafts 21 is realized; by rotating one of the horizontal shafts 21, the two horizontal shafts 21 can respectively drive the corresponding cutterhead 22 to rotate so as to cut the bushes on the two sides of the road.

The material guiding mechanisms 3 are in one-to-one correspondence with the cutting mechanisms 2, the material guiding mechanisms 3 comprise two material guiding channels 31 which are all communicated with the inside of the recovery box 1 and two air pumps 32 which are respectively arranged on the corresponding material guiding channels 31, the air pumps 32 are communicated with the inner side and the outer side of the material guiding channels 31, and the air pumps 32 blow air from the cutter head 22 to the recovery box 1; one end of the two material guiding channels 31 far away from the recovery box 1 is respectively arranged at the upper side and the lower side of the cutter head 22, and the side part of the recovery box 1 is provided with an air outlet 13 communicated with the inside of the recovery box 1. Under the action of the air pump 32, the grass and branches cut by the cutter head 22 are sucked into the material guide channel 31.

The height of the material guiding channel 31 gradually decreases from the cutter head 22 to the recovery box 1, so that grass and branches in the material guiding channel 31 can slide down in the material guiding channel 31 and fall into the recovery box 1. The horizontal shaft 21 rotates to penetrate through the material guiding channel 31 positioned at the upper side, so that the material guiding channel 31 is not easy to interfere with the rotation of the horizontal shaft 21.

The crushing mechanism 4 comprises a motor 41 arranged on the outer side wall of the recovery box 1, a crushing roller 42 arranged in the recovery box 1 and a screen plate 43, wherein an output shaft of the motor 41 and the crushing roller 42 are coaxially arranged and connected with each other, the crushing roller 42 is horizontally arranged and rotationally connected to the inner side wall of the recovery box 1, and the crushing roller 42 is positioned right above the center of the screen plate 43. After the broken grass and branches entering the recovery box 1 through the material guide channel 31 fall onto the screen plate 43, the motor 41 rotates through the crushing roller 42 to crush the broken grass and branches on the screen plate 43, so that the broken grass and branches are separated from the branches and crushed into broken grass and branches within a specified size range can pass through the screen plate 43, and the crushing effect of the broken grass and branches is ensured.

As shown in fig. 2 and 3, the upper surface of the screen 43 is located at a height gradually increasing from the center to the edge, so that broken grass and broken branches falling onto the screen 43 are gathered toward the center of the screen 43, so that the motor 41 drives the pulverizing roller 42 to rotationally pulverize the broken grass and broken branches.

It should be noted that the horizontal shafts 21 and the pulverizing rollers 42 are coaxially disposed, and one of the horizontal shafts 21 and the output shaft of the motor 41 are connected by a belt transmission. When the motor 41 drives the crushing roller 42 to rotationally crush the grass and the branches, the motor 41 can also drive the horizontal shaft 21 to rotate through belt transmission, and the horizontal shaft 21 can drive the cutter head 22 to rotationally cut the shrubs, so that a worker can realize the cutting of the shrubs and the crushing of the grass and the branches by controlling the motor 41.

Both ends of the screen plate 43 are connected with mounting seats 45 arranged on the inner side wall of the recovery box 1 through a plurality of vertically arranged springs 44, and the crushing roller 42 is sleeved with a cam 46. During the rotation of the crushing roller 42, the crushing roller 42 will intermittently collide with the upper surface of the screen plate 43 through the cam 46, so that the screen plate 43 continuously vibrates on the mounting seat 45 through the spring 44, so that crushed grass and branches break through the sieve holes on the screen plate 43.

The separating mechanism 5 comprises a separating plate 51 arranged on the inner side wall of the recovery box 1, the separating plate 51 is in an inverted V-shaped arrangement, the height of the upper surface of the separating plate 51 gradually decreases from the center to the end, and the end of the separating plate 51 and the inner wall of the recovery box 1 jointly enclose a blanking cavity 52. When the broken grass and branches passing through the screen deck 43 fall onto the separating plate 51, the broken grass and branches will slide down the separating plate 51 through the blanking chamber 52.

The separating mechanism 5 further comprises two air pipes 53 which are respectively arranged at two opposite sides of the recovery box 1, the two air pipes 53 are sequentially arranged along the horizontal direction, and a fan 54 is arranged in each air pipe 53; two air cavities 55 for communicating the corresponding air pipes 53 are arranged between the inner wall and the outer wall of the recovery box 1, and the air cavities 55 are positioned below the blanking cavities 52; the inner wall of the recovery box 1 is provided with a plurality of air holes 56 communicated with the air cavity 55, and the air holes 56 are positioned on the upper side or the lower side of the air pipe 53.

When the fan 54 blows air into the air cavity 55, the air holes 56 and the air pipes 53 are arranged in a staggered mode, so that the air blown into the air cavity 55 is scattered when the air collides with the cavity wall of the air cavity 55, the air blown out by the fan 54 can be dispersed and blown out of the air holes 56 more uniformly, and the air holes 56 can be blown out more uniformly; the broken grass will move in a parabolic motion and close to the centre of the recovery tank 1 because it is lighter, and will move approximately vertically and drop downwards because it is heavier.

Two partition plates 57 which are sequentially arranged along the horizontal direction are arranged below the air cavity 55, the two partition plates 57 are arranged on the inner side wall of the recovery box 1, the grass breaking cavity 58 is formed by surrounding the opposite side of the two partition plates 57 and the inner wall of the recovery box 1 together, the grass breaking cavity 58 is positioned right below the separating plate 51, and the grass breaking in parabolic motion falls into the grass breaking cavity 58; the opposite sides of the two partition plates 57 and the inner wall of the recovery box 1 jointly enclose a broken branch cavity 59, the blanking cavity 52 is positioned right above the broken branch cavity 59, and broken branches which do approximately linear motion fall into the broken branch cavity 59.

The air outlet 13 is positioned at the grass breaking cavity 58, the dust collector 7 is arranged on the outer side wall of the recovery box 1, and a dust collection pipe 71 of the dust collector 7 penetrates through the air outlet 13 and is positioned between the separating plate 51 and the grass breaking cavity 58. Some wood dust is doped in the broken grass and branches after being crushed, the fan 54 blows the wood dust to the grass breaking cavity 58, and the dust collector 7 sucks the wood dust through the dust collection pipe 71, so that the environment is effectively protected.

The grass breaking cavity 58 is internally provided with a grass breaking mechanism 8, the grass breaking mechanism 8 comprises a rotating shaft 81 which is rotationally connected to the inner side wall of the recovery box 1 and a plurality of breaking blades 82 which are arranged on the side wall of the rotating shaft 81, the rotating shaft 81 and the breaking rollers 42 are coaxially arranged, and one end of the rotating shaft 81 extends out of the recovery box 1 and is connected to an output shaft of the motor 41 through belt transmission. When the motor 41 drives the crushing roller 42 to rotationally crush the broken grass and branch, the motor 41 can also drive the rotating shaft 81 to rotate through belt transmission, and the rotating shaft 81 can drive the crushing blades 82 to rotationally crush the broken grass in the broken grass cavity 58, so that the broken grass can be degraded more quickly.

The side part of the recovery box 1 is provided with a recovery port 14 communicated with the inside of the recovery box 1, the collection mechanism 6 comprises a grass cutting box 61 and two branch cutting boxes 62 which are inserted in the recovery port 14, the grass cutting box 61 is positioned under the grass cutting cavity 58, and grass cutting passing through the grass cutting cavity 58 falls into the grass cutting box 61; the broken branch box 62 is positioned right below the broken branch cavity 59, and broken branches passing through the broken branch cavity 59 fall into the broken branch box 62; the grass cutting box 61 and the two branch cutting boxes 62 are provided with handles 63 on the side exposed outside the recovery box 1, so that workers can conveniently take out the grass cutting box 61 and the branch cutting boxes 62 from the recovery port 14.

The implementation principle of the greening pruning device for landscaping is as follows: when a worker pushes the recovery box 1 to move on the ground, the motor 41 drives one of the horizontal shafts 21 to rotate through belt transmission, and the two horizontal shafts 21 respectively drive the corresponding cutter heads 22 to rotate so as to cut bushes on two sides of a road.

Under the action of the air pump 32, the broken grass and branches cut by the cutter head 22 are sucked into the material guide channel 31, the broken grass and branches in the material guide channel 31 slide downwards in the material guide channel 31 and fall onto the sieve plate 43 in the recovery box 1, the broken grass and branches gather towards the center of the sieve plate 43, and the motor 41 drives the crushing roller 42 to rotationally crush the broken grass and branches at the center of the sieve plate 43, so that the broken grass is separated from the branches.

During rotation of the crushing roller 42, the crushing roller 42 will drive the screen plate 43 to vibrate continuously by the cam 46, so that broken grass and branches broken into a specified size range fall through the screen plate 43 onto the separating plate 51, and then the broken grass and branches will slide down on the separating plate 51 through the blanking chamber 52.

The fan 54 blows air into the air cavity 55, and the air blown into the air cavity 55 is scattered when the air collides with the cavity wall of the air cavity 55, so that the air blown by the fan 54 can be uniformly dispersed and blown out of the air holes 56; because the broken branch is heavy, it will move approximately vertically through the broken branch cavity 59 and fall into the broken branch box 62; because the wood dust after breaking the grass and breaking the branches is lighter, the wood dust enters the dust collector 7 through the dust collection pipe 71, and the broken grass moves in a parabolic manner into the grass breaking cavity 58; the motor 41 will drive the rotary shaft 81 to rotate through the belt transmission, and the rotary shaft 81 will drive the breaking blades 82 to rotationally break the grass in the grass breaking cavity 58, so that the grass breaking is further crushed and falls into the grass breaking box 61, so that the grass breaking can be degraded more quickly. The method and the device realize the separate collection of the broken grass and the broken branches, and facilitate the cleaning and recycling of the broken grass and the broken branches.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Afforestation is with afforestation trimming means, its characterized in that: the grass cutting and pruning machine comprises a recovery box (1), wherein a plurality of rollers (11) are arranged at the bottom of the recovery box (1), a cutting mechanism (2) and a guide mechanism (3) are arranged at the top of the recovery box (1), the cutting mechanism (2) is used for cutting shrubs, and the guide mechanism (3) is used for guiding grass and branches to the inside of the recovery box (1);

the lower part of the material guiding mechanism (3) is provided with a crushing mechanism (4), a separating mechanism (5) and a collecting mechanism (6) which are sequentially arranged in the recovery box (1) from top to bottom, the crushing mechanism (4) is used for crushing grass and branches, and the separating mechanism (5) comprises a separating plate (51), two fans (54) and two partition plates (57) which are sequentially arranged in the horizontal direction, wherein the separating plate (51) is sequentially arranged from top to bottom;

the separating plate (51) is arranged in the recovery box (1), the height of the upper surface of the separating plate (51) gradually decreases from the center to the end, and the end of the separating plate (51) and the inner wall of the recovery box (1) jointly enclose a blanking cavity (52);

the two partition plates (57) are arranged in the recovery box (1), one side of the two partition plates (57) opposite to the recovery box (1) and the inner wall of the recovery box jointly enclose a grass breaking cavity (58), and the grass breaking cavity (58) is positioned under the separation plate (51); one side of the two partition plates (57) which are away from each other and the inner wall of the recovery box (1) jointly enclose a broken branch cavity (59), and the blanking cavity (52) is positioned right above the broken branch cavity (59);

the two fans (54) are respectively arranged at two opposite sides of the recovery box (1) and are communicated with the inner side and the outer side of the recovery box (1), and the fans (54) are used for blowing broken grass between the blanking cavity (52) and the branch breaking cavity (59) to the grass breaking cavity (58);

the side part of the recovery box (1) is provided with a recovery port (14) and an air outlet (13) which are communicated with the inside of the recovery box (1), and the air outlet (13) is positioned at the grass breaking cavity (58);

the collecting mechanism (6) comprises a grass breaking box (61) and two branch breaking boxes (62) which are inserted into the recycling port (14), the grass breaking box (61) is positioned under the grass breaking cavity (58), and the branch breaking box (62) is positioned under the branch breaking cavity (59);

the crushing mechanism (4) comprises a motor (41) arranged on the recovery box (1), a crushing roller (42) and a screen plate (43) which are arranged in the recovery box (1), wherein an output shaft of the motor (41) and the crushing roller (42) are coaxially arranged and connected with each other; the crushing roller (42) is horizontally arranged and rotationally connected with the recovery box (1); the height of the upper surface of the screen plate (43) gradually rises from the center to the edge, and the crushing roller (42) is positioned right above the center of the screen plate (43);

the cutting mechanism (2) comprises a cutter head (22) which is rotationally connected to the recovery box (1) through a horizontal shaft (21), the horizontal shaft (21) and the crushing roller (42) are coaxially arranged, and the horizontal shaft (21) is connected with an output shaft of the motor (41) through a belt transmission;

the grass breaking cavity (58) is internally provided with a grass breaking mechanism (8), the grass breaking mechanism (8) comprises a rotating shaft (81) rotatably connected to the recovery box (1) and a plurality of breaking blades (82) arranged on the side wall of the rotating shaft (81), the rotating shaft (81) and the breaking rollers (42) are coaxially arranged, and one end of the rotating shaft (81) extends out of the recovery box (1) and is connected to an output shaft of the motor (41) through belt transmission;

the separation mechanism (5) further comprises two air pipes (53) which are respectively arranged on the two opposite sides of the recovery box (1), and two fans (54) are respectively arranged in the corresponding air pipes (53); two air cavities (55) which are respectively communicated with the corresponding air pipes (53) are arranged between the inner wall and the outer wall of the recovery box (1), and the air cavities (55) are positioned between the blanking cavity (52) and the branch breaking cavity (59); the inner wall of the recovery box (1) is provided with a plurality of air holes (56) communicated with the air cavity (55), and the air holes (56) are positioned on the upper side or the lower side of the air pipe (53).

2. The greening pruning device for landscaping according to claim 1, wherein: the material guiding mechanism (3) comprises two material guiding channels (31) which are all communicated with the inside of the recovery box (1) and two air pumps (32) which are respectively arranged on the corresponding material guiding channels (31), one ends of the two material guiding channels (31) which are far away from the recovery box (1) are respectively arranged on the upper side and the lower side of the cutter head (22), and the height of the material guiding channels (31) is gradually reduced from the cutter head (22) to the recovery box (1); the air pump (32) is communicated with the inner side and the outer side of the material guide channel (31), and the air pump (32) blows air from the cutter head (22) to the recovery box (1).

3. The greening pruning device for landscaping according to claim 1, wherein: both ends of the screen plate (43) are connected with a mounting seat (45) arranged on the recovery box (1) through springs (44) which are vertically arranged, and a cam (46) which is used for abutting against the upper surface of the screen plate (43) is sleeved on the crushing roller (42).

4. The greening pruning device for landscaping according to claim 1, wherein: the dust collector also comprises a dust collector (7) arranged on the recovery box (1), and a dust collection pipe (71) of the dust collector (7) penetrates through the air outlet (13) and is positioned between the separation plate (51) and the grass breaking cavity (58).