CN219536861U - Miniature grass remover - Google Patents

Abstract

The utility model relates to the field of agricultural machinery and discloses a miniature grass remover which comprises a frame, wherein a knife cage is rotationally connected to the bottom of the frame, the knife cage comprises a rotating shaft rotationally connected to the frame and first knife rests fixedly connected to two ends of the rotating shaft, two second knife rests are fixedly connected to the rotating shaft, two knife rests are arranged between the two first knife rests, a first knife rest is circumferentially provided with a second knife rest corresponding to the first knife rest, a third knife rest is fixedly connected between the first knife rest and the second knife rest, a second knife rest is fixedly connected between the second knife rest and the second knife rest, and a motor for driving the rotating shaft to rotate is fixedly connected to the frame. The utility model has the following advantages and effects: the weeding working area is increased, vibration is reduced, and the weeding working efficiency is improved.

Description

Miniature grass remover

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a miniature weeding machine.

Background

The conventional miniature weeding machine is generally a knapsack weeding machine or a weeding machine, generally adopts nylon ropes, steel wire ropes, metal blades with teeth and the like, and can not remove grass roots and thoroughly weed; in addition, compared with a backpack weeding machine, the diesel or gasoline driven weeding machine has a slightly heavier mass, so that auxiliary supporting wheels are additionally arranged, but in the weeding process, due to the rotation effect of a weeding cutter head, cut grass stems and leaves can be thrown to the supporting wheels, so that the travelling is blocked, particularly when soil pits are more, the soil pits are easy to block, and the labor output of operators is increased; in addition, oil-powered mechanical products are not suitable for use in confined spaces due to contamination of the air. Therefore, there is an urgent need for a safer, environmentally friendly, lightweight, and smart weeding machine to solve these problems. The application publication number CN 109362329A's chinese patent discloses a portable grass remover, adopts the storage battery, and straight type small motor drives diagonal umbrella wheel, and pivot device in the chassis, and the carousel sets up the flaking in the pivot, receives motor power, drives the interlock to the flaking, digs the short broken root of grass of the quick rotatory plane of grass, and above-mentioned device has following shortcoming: the umbrella wheel rotating shaft is fixedly connected with the shaving blade along the circumference to carry out weeding and weeding work, and the weeding area of the structure is small, and the weeding efficiency is low.

Disclosure of Invention

The utility model aims to provide a miniature weeding machine which has the characteristics of portability and dexterity, and can increase weeding area and improve working efficiency.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a miniature grass remover, includes the frame, the frame bottom rotates and is connected with the cutter cage, the cutter cage including rotate connect in the pivot of frame and fixed connection in first knife rest at pivot both ends, fixedly connected with in the pivot is located two second knife rest between the first knife rest, the second knife rest is equipped with two, be equipped with along circumference on the first knife rest and put the edge of a knife one, be equipped with along circumference on the second knife rest and correspond put edge of a knife two, relative put edge of a knife one with put fixedly connected with blade one between the edge of a knife two, be equipped with put edge of a knife three on the second knife rest between putting edge of a knife two, two relative put fixedly connected with blade two between the edge of a knife three, fixedly connected with drive on the frame pivot pivoted motor.

Through adopting above-mentioned technical scheme, during operation, motor drive pivot rotates, and blade one and blade two cut the weeds of process, and whole gabion divide into three crisscross cutting areas, and every cutting area comprises three group's blades, and blade one and blade two crisscross setting can reduce instantaneous working power when increasing working area, reduces vibrations, and compares in whole blade, and the cost of manufacture is low, and the gabion both sides atress is balanced, and the during operation does not have extra horizontal component.

The utility model is further provided with: the two ends of the first blade slightly extend out of the first blade placing knife edge and the second blade placing knife edge respectively, and the two ends of the second blade slightly extend out of the third blade placing knife edge respectively.

By adopting the technical scheme, the length of the blade is enabled to be kept with partial overlap between the areas, and the phenomenon of missing cutting can not occur in the cutting process.

The utility model is further provided with: the second knife rest is provided with an arc grass-collecting opening positioned between the second knife rest and the third knife rest, and the first knife rest is provided with an arc opening positioned between the first knife rest and the second knife rest.

Through adopting above-mentioned technical scheme, the space that grass mouth and arc mouth formed is pulled to the arc can make the gabion in rotatory during operation can be better to the grass of seizing, thereby carries out accurate cutting to the weeds.

The utility model is further provided with: the included angle between the perpendicular line from one end part of the blade to the rotating shaft and the perpendicular line from the two end parts of the adjacent blade to the rotating shaft is 60 degrees.

Through adopting above-mentioned technical scheme, make the blade can follow pivot circumference evenly distributed, form three cutting district and cut grass, reduce instantaneous working power when increasing working area.

The utility model is further provided with: the first knife edge and the second knife edge are set to be inclined fixing surfaces, and inclined cutting surfaces are arranged on one sides of the first knife blade and the second knife blade in the rotating direction of the rotating shaft.

Through adopting above-mentioned technical scheme, the inclined plane makes blade one and blade two slope respectively fix between adjacent first knife rest and second knife rest, adjacent second knife rest, can have a sharper cutting angle between the inclined cutting face and the ground when making blade one and blade two rotatory work, can be better cut grass, improves work efficiency, makes instantaneous cutting more accurate swiftly, reduces vibrations simultaneously.

The utility model is further provided with: the grass blocking ring is fixedly connected to one side, away from the second knife rest, of the first knife rest, and the grass blocking ring is sleeved with the protecting cover fixedly connected to the frame.

Through adopting above-mentioned technical scheme, when installing the cutter cage, cup joint the grass retaining ring in the protecting cover on the frame, form contactless seal structure to realize the function of preventing twining grass.

The utility model is further provided with: and the frame is fixedly connected with a shield, and the motor is positioned in the shield.

Through adopting above-mentioned technical scheme, the guard shield wraps up the protection to the motor on the frame.

The beneficial effects of the utility model are as follows:

1. the whole cutter cage is divided into three staggered cutting areas, each cutting area consists of three groups of blades which are uniformly distributed, and the first blades and the second blades are staggered, so that the instantaneous working power can be reduced and the vibration can be reduced while the working area is increased;

2. the length of the blade leaves partial overlap between the areas, and the phenomenon of missing cutting can not occur in the cutting process;

3. the cutter blade I and the cutter blade II have a sharper cutting angle between the inclined cutting surface and the ground when in rotary operation, so that the instantaneous cutting is more accurate and quicker, and the vibration is reduced;

4. when the knife cage is installed, the grass blocking ring is sleeved in the protecting cover on the frame to form a non-contact sealing structure, so that the grass winding preventing function is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram showing the connection relationship between the cutter cage and the frame in embodiment 1.

Fig. 2 is a schematic diagram showing the connection relationship between the first and second blades and the first and second holders in embodiment 1.

Fig. 3 is a schematic diagram showing the connection relationship between the inclined fixing surface and the inclined cutting surface in embodiment 1.

In the figure, 1, a frame; 2. a rotating shaft; 3. a first tool post; 4. a second tool post; 5. a first knife edge is arranged; 6. setting a second knife edge; 7. a first blade; 8. setting a third knife edge; 9. a second blade; 10. grass blocking rings; 11. a protective cover; 12. a shield; 13. an arc grass-collecting port; 14. an arc-shaped opening; 15. a sloping fixed surface; 16. and (5) inclining the cutting surface.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the embodiment 1, as shown in fig. 1, a knife cage is rotatably connected to the bottom of a frame 1, the knife cage comprises a rotating shaft 2 rotatably connected to the frame 1 and first knife rests 3 fixedly connected to two ends of the rotating shaft 2, a motor for driving the rotating shaft 2 to rotate is fixedly connected to the frame 1, the motor drives the rotating shaft 2 to rotate to cut weeds during operation, a second knife rest 4 positioned between the two first knife rests 3 is fixedly connected to the rotating shaft 2, the second knife rest 4 is provided with two, the first knife rest 3 and the second knife rest 4 divide the whole knife cage into three staggered cutting areas, a knife edge first 5 is circumferentially arranged on the first knife rest 3, a knife edge second 6 corresponding to the knife edge first 5 is circumferentially arranged on the second knife rest 4, a knife blade first 7 is fixedly connected between the opposite knife edge first 5 and the knife edge second 6, a knife edge three 8 is arranged between two knife edges two 6 on the second knife rest 4, a knife edge two 9 is fixedly connected between the two opposite knife edges three 8, each cutting area consists of three groups of knife blades, the knife edge one 7 and the knife edge two 9 are arranged in a staggered way, the working area for weeding is enlarged, the rotation of the rotating shaft 2 drives the knife edge one 7 and the knife edge two 9 between the first knife rest 3 and the second knife rest 4 to rotate, the knife edge one 7 and the knife edge two 9 cut weeds, two ends of the knife edge one 7 slightly extend out of the knife edge one 5 and the knife edge two 6 respectively, two ends of the knife edge two 9 slightly extend out of the knife edge three 8 respectively, so that the lengths of the knife edges leave partial overlapping amount between the areas, no missed cutting occurs in the cutting process, one side of the first knife rest 3 far away from the second knife rest 4 is fixedly connected with a grass blocking ring 10, a protecting cover 11 fixedly connected with the frame 1 is sleeved outside the grass blocking ring 10, when the knife cage is installed, grass retaining rings 10 at two ends of the rotating shaft 2 are sleeved in the protecting cover 11, so that weeds are reduced from winding at two ends of the rotating shaft 2 when the rotating shaft 2 rotates, the protecting cover 12 is fixedly connected to the frame 1, the motor is located in the protecting cover 12, and the protecting cover 12 protects the motor in a range.

As shown in fig. 2, the second knife rest 4 is provided with an arc grass-collecting opening 13 between the second knife rest 6 and the third knife rest 8, the first knife rest 3 is provided with an arc opening 14 between the first knife rest 5, and the space formed by the arc grass-collecting opening 13 and the arc opening 14 can enable the knife cage to better collect weeds when in rotary operation so as to accurately cut the weeds, and an included angle between the perpendicular line from one end part of the knife blade 7 to the rotating shaft 2 and the perpendicular line from the end part of the adjacent knife blade 9 to the rotating shaft 2 is 60 degrees, so that the knife blades can be uniformly distributed along the circumferential direction of the rotating shaft 2, and three cutting areas are formed for cutting the weeds.

As shown in fig. 3, the first knife edge 5 and the second knife edge 6 are provided with inclined fixing surfaces 15, so that the first knife edge 7 and the second knife edge 9 are respectively and obliquely fixed between the adjacent first knife rest 3, the second knife rest 4 and the adjacent second knife rest 4, and inclined cutting surfaces 16 are arranged on one sides of the first knife edge 7 and the second knife edge 9 in the rotating direction of the rotating shaft 2, so that a sharper cutting angle can be formed between the inclined cutting surfaces 16 and the ground when the first knife edge 7 and the second knife edge 9 rotate and work, grass can be cut better, and vibration is reduced.

In summary, the first knife rest 3 and the second knife rest 4 divide the whole knife cage into three staggered cutting areas, each cutting area is uniformly formed by three groups of blades, the motor drives the rotating shaft 2 to rotate during operation, the rotating shaft 2 rotates to drive the first blade 7 and the second blade 9 between the first knife rest 3 and the second knife rest 4 to rotate, the space formed by the arc grass-collecting opening 13 and the arc opening 14 enables the knife cage to collect weeds during rotation operation, the inclined cutting surface 16 is arranged on one side of the rotating direction of the rotating shaft 2 of the first blade 7 and the second blade 9, a sharper cutting angle is formed between the inclined cutting surface 16 and the ground during rotation operation of the first blade 7 and the second blade 9 to cut the grass, and the length of the blade leaves partial overlapping amount between the areas, so that no cutting leakage occurs during cutting.

Claims (7)

1. The utility model provides a miniature grass remover, includes frame (1), its characterized in that: the rotary knife rest is characterized in that a knife rest is rotationally connected to the bottom of the frame (1), the knife rest comprises a rotary shaft (2) rotationally connected to the frame (1) and a first knife rest (3) fixedly connected to two ends of the rotary shaft (2), two second knife rests (4) located between the first knife rests (3) are fixedly connected to the rotary shaft (2), two knife rest (4) are arranged, a knife edge first (5) is circumferentially arranged on the first knife rest (3), a knife edge second (6) corresponding to the knife edge first (5) is circumferentially arranged on the second knife rest (4), a knife edge first (7) is fixedly connected between the knife edge second (5) and the knife edge second (6), a knife edge third (8) is arranged between the knife edge second (6) and is fixedly connected to the opposite knife edge, and a knife edge second (9) is fixedly connected to the rotary shaft of the motor (2) and is fixedly connected to the frame (1).

2. The miniature weeding machine according to claim 1, wherein: two ends of the first blade (7) slightly extend out of the first blade placing (5) and the second blade placing (6) respectively, and two ends of the second blade (9) slightly extend out of the third blade placing (8) respectively.

3. The miniature weeding machine according to claim 1, wherein: the second knife rest (4) is provided with an arc grass-collecting opening (13) positioned between the knife edge two (6) and the knife edge three (8), and the first knife rest (3) is provided with an arc-shaped opening (14) positioned between the knife edge two (5).

4. The miniature weeding machine according to claim 1, wherein: the included angle between the perpendicular line from the end part of the first blade (7) to the rotating shaft (2) and the perpendicular line from the end part of the second blade (9) to the rotating shaft (2) is 60 degrees.

5. The miniature weeding machine according to claim 1, wherein: the first knife edge (5) and the second knife edge (6) are arranged to be inclined fixing surfaces (15), and inclined cutting surfaces (16) are arranged on one side of the first knife blade (7) and the second knife blade (9) in the rotating direction of the rotating shaft (2).

6. The miniature weeding machine according to claim 1, wherein: the grass blocking ring (10) is fixedly connected to one side, away from the second tool rest (4), of the first tool rest (3), and the protecting cover (11) fixedly connected to the frame (1) is sleeved outside the grass blocking ring (10).

7. The miniature weeding machine according to claim 1, wherein: the frame (1) is fixedly connected with a shield (12), and the motor is positioned in the shield (12).