A small leaf shredder

Abstract

This utility model discloses a small leaf shredder, relating to the technical field of agricultural and garden machinery. It includes a chassis, a moving component, a shredding component, and a feeding component. The feeding component, from top to bottom, is provided with an upper feeding port, a middle feeding port, a lower feeding port, and an upper cover plate. A partition plate is fixedly connected to the inner wall opposite the lower feeding port. A separating plate is provided on the upper cover plate. The partition plate and the separating plate are perpendicular, allowing leaves to enter the cutter head assembly evenly and reducing the probability of blade jamming. At the connection points between the upper and middle feeding ports, and between the middle and lower feeding ports, the dimensions of the components installed on the upper part are smaller than those installed on the lower part, preventing leaves from getting stuck at the connection points during the falling process and facilitating smooth shredding operations.

Description

Technical Field

[0001] This utility model relates to the technical field of agricultural and garden machinery, and in particular to a small leaf shredder. Background Technology

[0002] To beautify the environment, urban greening is becoming increasingly widespread. Most parts of my country are located in the North Temperate Zone, where a large number of leaves fall in a short period from late autumn to early winter. If this garden waste is not disposed of in time, it will not only affect the appearance of the city but may also become a fire hazard. Generally, fallen leaves are collected and crushed.

[0003] A large number of trees are planted in parks, lakesides and other locations far from roads. Small and flexible shredders are needed to crush the collected leaves. However, the feeding channel structure of existing small shredders is simple, and the leaves that are put in can easily accumulate in the blade chamber, causing the blades to jam or even damage the blade disc. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a small leaf shredder.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A small leaf shredder includes a chassis, a moving component and a shredding component mounted on the chassis, and a feeding component mounted on the shredding component.

[0007] The movable component includes a bracket bolted to the chassis. The left side of the bracket is rotatably connected to a caster wheel, and the right side of the bracket is rotatably connected to a rear caster wheel. Handle fixing plates are bolted to both sides of the upper surface of the chassis. The handle fixing plates and the bracket are bolted together to connect the handle.

[0008] The feeding assembly includes an upper feeding port, a middle feeding port bolted to the lower part of the upper feeding port, and a lower feeding port bolted to the lower part of the middle feeding port. The two corresponding sides of the lower feeding port protrude outwards, forming a circle or regular polygon at the bottom. The lower end of the lower feeding port is bolted to an upper cover plate, which is a hollow annular structure. The through hole in the middle of the upper cover plate is a circle or regular polygon corresponding to the lower feeding port.

[0009] Furthermore, the crushing component includes a blade chamber surround plate, the shape of which is a circle or a regular polygon corresponding to the shape of the through hole in the upper cover plate; the blade chamber surround plate is welded to the upper end face of the chassis, the upper part of the blade chamber surround plate is bolted to the upper cover plate, a filter screen plate is connected to the right side of the blade chamber surround plate, and a cutter disc assembly is rotatably mounted at the center of the blade chamber surround plate. The central shaft of the cutter disc assembly passes through the chassis and is sequentially connected to a bearing and a pulley shaft at the bottom of the chassis. The bearing is installed inside the bearing seat, and the bearing seat is bolted to the lower end face of the chassis; the motor mounting plate and the motor are bolted through an elongated hole in the chassis, and the output shaft of the motor passes downward through the through hole in the motor mounting plate and the chassis and is connected to a pulley shaft, with pulley shaft one and pulley shaft two providing belt drive.

[0010] Furthermore, the upper feed inlet is funnel-shaped, wider at the top and narrower at the bottom, with a connecting edge at the bottom; the inner wall of the middle feed inlet abuts against the outer wall of the connecting edge of the upper feed inlet, and the interior of the lower feed inlet abuts against the outer wall of the middle feed inlet.

[0011] Furthermore, a triangular material distribution plate is fixedly installed on the upper surface of the top cover plate, which allows the input leaves to enter the crushing component at a certain angle.

[0012] Furthermore, the lower part of the central shaft of the cutter head assembly is connected to two bearings arranged vertically, which ensure the concentricity of the central shaft of the cutter head assembly during crushing operations.

[0013] Furthermore, the cutter head assembly includes a cutter head, and two claws are fixedly mounted on the upper part of the cutter head. The two claws are inclined upwards, and the claws can make it easier for light leaves to enter the lower part of the cutter head assembly.

[0014] Furthermore, the motor mounting plate is L-shaped overall. The vertical part on the left side of the motor mounting plate is connected to the chassis via a tension adjustment screw. The position of the motor mounting plate and the motor on the chassis can be adjusted by adjusting the tension adjustment screw.

[0015] Furthermore, the lower feed inlet has a U-shaped hole at its upper part that communicates with its upper end face, and the bolt installed on the middle feed inlet can be directly inserted into the U-shaped hole at the upper part of the lower feed inlet.

[0016] Furthermore, a partition is fixedly connected to the upper opposite side of the lower feed inlet, and the partition is perpendicular to the distribution plate, so that the leaves enter the crushing component evenly.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. A baffle is installed on the inner side of the lower feed port, and the baffle is perpendicular to the distribution plate, so that the leaves enter the cutter head assembly evenly and reduce the probability of the cutter jamming.

[0019] 2. The partition divides the space inside the lower feed inlet, preventing the middle feed inlet from sliding into the lower feed inlet during the installation of the crusher, making the installation of the crusher more convenient.

[0020] 3. The connection between the upper and middle feed inlets, and the connection between the middle and lower feed inlets, should have components that are smaller than those that are smaller than those that are smaller. This will prevent the leaves from getting stuck at the connection points as they fall, thus facilitating smooth crushing operations. Attached Figure Description

[0021] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof.

[0022] Figure 1 This is an overall structural diagram of the small leaf shredder provided by this utility model;

[0023] Figure 2 This is an exploded view of the small leaf shredder provided by this utility model;

[0024] Figure 3 This is a structural diagram of the blade assembly of the small leaf shredder provided by this utility model;

[0025] In the diagram: 1. Chassis; 2. Blade chamber surround plate; 3. Bracket; 4. Blade disc assembly; 5. Top cover plate; 6. Motor; 7. Motor mounting plate; 8. Belt pulley one; 9. Handle mounting plate; 10. Tension adjustment screw; 11. Handle; 12. Rear moving wheel; 13. Bearing seat; 14. Belt pulley two; 15. Caster wheel; 16. Lower feed port; 17. Middle feed port; 18. Upper feed port; 19. Discharge port guide plate; 20. Filter screen plate; 21. Material distribution plate; 22. Partition plate; 41. Blade disc; 42. Claw. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] like Figures 1 to 3 As shown, this utility model provides a technical solution: a small leaf shredder, including a chassis 1, a moving component, a feeding component, and a shredding component; the shredder is moved to the work site by the moving component, and the worker feeds leaves into the feeding component, where the leaves are shredded.

[0029] The moving assembly includes a bracket 3, which is bolted to the chassis 1. A universal wheel 15 with a brake is rotatably connected to the upper left side of the bracket 3. When the crusher moves, the universal wheel 15 is in front, which facilitates flexible turning. When crushing is required, pressing the brake can easily fix the crusher at the work site. A rear moving wheel 12 is rotatably connected to the right side of the bracket 3. A handle fixing plate 9 is bolted to the upper end face of the chassis 1. The handle fixing plate 9 and the bracket 3 are bolted together to the handle 11. In this way, multiple connection points are set at different positions above and below the handle 11, which can make the connection of the handle 11 more secure.

[0030] The feeding assembly includes an upper feeding port 18, which is funnel-shaped with a wider top and narrower bottom. A connecting edge is provided at the bottom of the upper feeding port 18. The lower part of the upper feeding port 18 is bolted to a middle feeding port 17, which is square and slightly larger than the connecting edge of the upper feeding port 18. When connecting the upper feeding port 18 and the middle feeding port 17, the upper feeding port 18 is placed into the middle feeding port 17, and the outer wall of the connecting edge of the upper feeding port 18 abuts against the inner wall of the middle feeding port 17. Due to the shape of the upper feeding port 18, which is wider at the top and narrower at the bottom, the upper feeding port 18 will not continue to slide into the middle feeding port 17. At this time, screws can be directly inserted into the corresponding screw holes of the upper feeding port 18 and the middle feeding port 17 to easily complete the installation of both.

[0031] The lower part of the middle feed port 17 is bolted to the lower feed port 16. The upper end face of the lower feed port 16 is slightly larger than that of the middle feed port 17. The upper part of the lower feed port 16 has a U-shaped hole that communicates with its upper end face. When the middle feed port 17 and the lower feed port 16 are installed, the lower part of the outer wall of the middle feed port 17 abuts against the upper part of the inner wall of the lower feed port 16. The bolt installed on the middle feed port 17 can be directly inserted into the U-shaped hole at the upper part of the lower feed port 16. Then, tightening the anti-loosening nut completes the installation of the middle feed port 17 and the lower feed port 16. The installation is convenient and quick.

[0032] It is obvious that the connection between the upper feed port 18 and the middle feed port 17, and the connection between the middle feed port 17 and the lower feed port 16, has a smaller size for the upper part than the lower part. This design allows the leaves to fall smoothly and prevents them from getting stuck at the connection, making it easier to use the crusher.

[0033] The upper part of the lower feed inlet 16 is quadrilateral, with each side protruding outwards, forming a circle or regular polygon at the bottom. The lower end face of the lower feed inlet 16 is bolted to the upper cover plate 5. The upper cover plate 5 is a hollow annular structure. The shape of the through hole in the middle of the upper cover plate 5 is a circle or regular polygon corresponding to the lower feed inlet 16. The upper end face of the upper cover plate 5 is fixedly installed with a dividing plate 21. The dividing plate 21 is triangular, which can divide the leaves fed in from the top into two parts and allow the leaves to enter the blade cavity at a certain angle. At the same time, it can block the debris generated by the crushing component and prevent the debris from flying out of the feeding component.

[0034] It should be noted that a partition 22 is fixedly connected to the upper side of the inner side of the lower feed inlet 16, and the partition 22 is perpendicular to the distribution plate 21, so that the leaves are evenly fed into the crushing component; at the same time, the partition 22 divides the space inside the lower feed inlet 16, so that the middle feed inlet 17 will not slide into the lower feed inlet 16 during the installation of the crusher.

[0035] The crushing assembly includes a blade chamber surround plate 2, which is welded to the upper end face of the chassis 1. The upper part of the blade chamber surround plate 2 is bolted to the upper cover plate 5. The shape formed by the blade chamber surround plate 2 is a circle or regular polygon corresponding to the shape of the through hole in the upper cover plate 5. In this way, the blade chamber surround plate 2 is smoothly connected to the lower feed inlet 16, which facilitates the entry of leaves. The right side of the blade chamber surround plate 2 is connected to a filter screen plate 20, and the other side of the filter screen plate 20 is connected to a discharge guide plate 19. The blade chamber surround plate 2, the filter screen plate 20, the upper cover plate 5, and the chassis 1 together form a... The cutter head assembly 4 is rotatably mounted at the center of the cutter head cavity. The central axis of the cutter head assembly 4 is perpendicular to the base plate 1. The central axis of the cutter head assembly 4 passes through the base plate 1 and is connected to two bearings and pulleys 14 in sequence at the lower part of the base plate 1. The two bearings are installed inside the bearing housing 13, which is bolted to the lower end face of the base plate 1. The bearing housing 13 is connected to the central axis of the cutter head assembly 4 through the two bearings, which can ensure the concentricity of the central axis of the cutter head assembly 4 and facilitate the smooth rotation of the cutter head assembly 4.

[0036] The crushing assembly also includes a motor mounting plate 7, which is L-shaped. The motor 6 is fixedly mounted on the chassis 1 via the motor mounting plate 7. Specifically, the chassis 1 has an elongated hole. The motor mounting plate 7 and the motor 6 are fixed to the chassis 1 via bolts through the elongated hole. The output shaft of the motor 6 passes downward through the through hole of the motor mounting plate 7 and the chassis 1 and is connected to the shaft of pulley 8. Pulley 8 and pulley 14 are connected by belt drive. The power output by the motor 6 is transmitted to the central shaft of the cutter head assembly 4 via the drive belt of pulley 8 and pulley 14. The vertical part on the left side of the motor mounting plate 7 is connected to the chassis 1 via a tension adjustment screw 10. By adjusting the tension adjustment screw 10, the position of the motor mounting plate 7 and the motor 6 on the chassis 1 can be adjusted, thereby adjusting the transmission tension of pulley 8 and pulley 14.

[0037] The cutter head assembly 4 includes a cutter head 41, on which two claws 42 are fixedly mounted. The two claws 42 are inclined upwards, and the claws 42 can make it easier for light leaves to enter the crushing area.

[0038] In use, the handle 11 is pushed, and the braked caster 15 provides flexible steering. The small size of the entire leaf shredder makes it easy to reach leaf piles far away from the road. The motor 6 is started by an external power source. The output shaft of the motor 6 drives the pulley 8 to rotate. Through belt drive, the pulley 14 and the cutter head assembly 4 rotate. The worker puts the leaves into the upper feed port 18. Under the action of gravity, the leaves pass through the middle feed port 17 and the lower feed port 16. After contacting the distribution plate 21, they enter the shredding assembly at a certain angle. In the blade chamber, they are continuously cut and shredded by the cutter head assembly 4. After reaching a certain particle size, they pass through the filter screen 20 and are discharged from the shredder.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A small leaf shredder, comprising a chassis (1), a moving component and a shredding component disposed on the chassis (1), and a feeding component disposed on the shredding component; characterized in that: The moving component includes a bracket (3), which is bolted to the chassis (1). The left side of the bracket (3) is rotatably connected to a caster wheel (15), and the right side of the bracket (3) is rotatably connected to a rear caster wheel (12). The upper surface of the chassis (1) is bolted to both sides of a handle fixing plate (9), and the handle fixing plate (9) and the bracket (3) are bolted together to connect the handle (11). The feeding assembly includes an upper feeding port (18), the lower part of which is bolted to a middle feeding port (17), the lower part of which is bolted to a lower feeding port (16), the two corresponding sides of the lower feeding port (16) protrude outwards, forming a circle or regular polygon at the bottom, and the lower end of the lower feeding port (16) is bolted to an upper cover plate (5). The upper cover plate (5) is a hollow annular structure, and the shape of the through hole in the middle of the upper cover plate (5) is a circle or regular polygon corresponding to the lower feeding port (16).

2. The small leaf shredder according to claim 1, characterized in that: The crushing assembly includes a blade chamber surround plate (2), the shape of which is a circle or a regular polygon corresponding to the shape of the through hole of the upper cover plate (5); the blade chamber surround plate (2) is welded to the upper end face of the chassis (1), the upper part of the blade chamber surround plate (2) is bolted to the upper cover plate (5), the right side of the blade chamber surround plate (2) is connected to the filter screen plate (20), and the blade disc assembly (4) is rotatably installed at the center position of the blade chamber surround plate (2), the central axis of the blade disc assembly (4) passes through the chassis (1). The lower part of the chassis (1) is connected to the bearing and the second pulley (14) shaft in sequence. The bearing is installed inside the bearing seat (13), and the bearing seat (13) is bolted to the lower end face of the chassis (1). The motor fixing plate (7) and the motor (6) are bolted through the elongated hole on the chassis (1). The output shaft of the motor (6) passes downward through the through hole of the motor fixing plate (7) and the chassis (1) and is connected to the first pulley (8) shaft. The first pulley (8) and the second pulley (14) drive the belt.

3. A small leaf shredder according to claim 2, characterized in that: The upper feed inlet (18) is a funnel shape that is wider at the top and narrower at the bottom. A connecting edge is provided at the bottom of the upper feed inlet (18). The inner wall of the middle feed inlet (17) abuts against the outer wall of the connecting edge of the upper feed inlet (18), and the interior of the lower feed inlet (16) abuts against the outer wall of the middle feed inlet (17).

4. A small leaf shredder according to claim 3, characterized in that: The upper end face of the cover plate (5) is fixedly installed with a material distribution plate (21). The material distribution plate (21) is triangular and can allow the leaves to enter the crushing component at a certain angle.

5. A small leaf shredder according to claim 2, characterized in that: The lower part of the central shaft of the cutter head assembly (4) is connected to two bearings arranged vertically. The two bearings ensure the concentricity of the central shaft of the cutter head assembly (4) during crushing operations.

6. A small leaf shredder according to claim 2, characterized in that: The cutter head assembly (4) includes a cutter head (41). Two claws (42) are fixedly installed on the upper part of the cutter head (41). The two claws (42) are inclined upwards. The claws (42) can make it easier for light leaves to enter the lower part of the cutter head assembly (4).

7. A small leaf shredder according to claim 2, characterized in that: The motor mounting plate (7) is L-shaped. The vertical part on the left side of the motor mounting plate (7) is connected to the chassis (1) by the tension adjustment screw (10). The position of the motor mounting plate (7) and the motor (6) on the chassis (1) can be adjusted by adjusting the tension adjustment screw (10).

8. A small leaf shredder according to claim 4, characterized in that: The lower feed inlet (16) has a U-shaped hole at its upper end face that communicates with it. The bolt installed on the middle feed inlet (17) can be directly inserted into the U-shaped hole at the upper part of the lower feed inlet (16).

9. A small leaf shredder according to claim 4, characterized in that: A partition (22) is fixedly connected to the upper side of the lower feed inlet (16), and the partition (22) is perpendicular to the distribution plate (21) so that the leaves enter the crushing component evenly.

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