WO2021208267A1

WO2021208267A1 - Plant root shredding tool

Info

Publication number: WO2021208267A1
Application number: PCT/CN2020/100196
Authority: WO
Inventors: 周克谋; 周春平; 胡熠多; 毛亲文
Original assignee: 南京卓耐重工机械制造有限公司
Priority date: 2020-04-15
Filing date: 2020-07-03
Publication date: 2021-10-21
Also published as: CN212576485U

Abstract

The present utility model discloses a plant root shredding tool. A transmission base is rotatably connected onto a knife frame, an air cylinder is fixedly connected onto the knife frame, an output shaft of the air cylinder is hinged to the transmission base, and a shredder is fixedly connected to an output end of the transmission base; the shredder comprises a mounting body, a cutter blade and a drill rod; and the mounting body is a cone barrel structure, several cutter blades are fixed in a circumferential direction on a cone wall of the mounting body, the drill rod is threadingly connected onto a bottom surface of the mounting body, the drill rod is a spiral drill rod structure, and a flange surface is provided at a top end of the mounting body. The structure of the present utility model is simple, the shredder can rotate along the axial direction and can also be inclined at an angle by means of an air cylinder, and plant root shredding efficiency is improved, and the usage effect is good.

Description

Cutting tool for plant roots

Technical field:

The utility model relates to a cutting tool for plant roots.

Background technique:

When the existing plant root cutting tool is used, only the tool itself rotates along the knife axis, so the cutting efficiency is low and the use effect is not good. Therefore, it is indeed necessary to improve the existing technology to solve the shortcomings of the existing technology.

Utility model content:

The utility model provides a cutting tool for plant roots in order to solve the above-mentioned problems in the prior art.

The technical solutions adopted by the utility model are:

A cutting tool for plant roots, comprising a knife holder, an air cylinder, a transmission base and a chopper. The transmission base is rotatably connected to the knife holder, the air cylinder is fixedly connected to the knife holder, and the output shaft of the air cylinder is hinged with the transmission base , The chopping knife is fixedly connected to the output end of the transmission seat; the chopping knife includes a mounting body, a cutting blade and a drill rod. The blade and the drill rod are threadedly connected to the bottom surface of the mounting body. The drill rod is a spiral drill rod structure, and a flange surface is provided on the top of the mounting body;

The transmission seat includes a housing, a housing shaft, a first bevel gear, a second bevel gear, a first transmission gear, a second transmission gear, and a spline shaft, and the housing is rotatably connected to the tool holder through the housing shaft , The output shaft of the cylinder is hinged with the housing, the first bevel gear, the second bevel gear, the first transmission gear and the second transmission gear are all rotatably connected in the housing, and the first bevel gear and the second bevel gear mesh with each other, The first transmission gear and the second transmission gear mesh with each other, the second bevel gear and the first transmission gear are fixed, the spline shaft and the second transmission gear are fixed, the output shaft is fixed on the first bevel gear, and the end of the output shaft is provided with a flange The flange surface of the output shaft is fixedly connected with the flange surface of the mounting body, and the spline shaft is the input end of the transmission seat.

Further, the drill rod has a cone-shaped spiral drill rod structure.

Further, the axis of the spline shaft is perpendicular to the axis of the drill rod.

Further, the cutting blade has a right-angled structure with horizontal and vertical edges, the horizontal edge of the cutting blade is welded to the tapered wall of the mounting body, the horizontal edge of the cutting blade is arranged along the axial direction of the mounting body, and the cutting blade The end of the horizontal edge is a knife edge.

The utility model has the following beneficial effects:

The utility model has a simple structure, the chopping knife can be rotated along the axial direction, and the angle can be tilted by the air cylinder, thereby increasing the cutting efficiency of plant roots and having a good use effect.

Description of the drawings:

Figure 1 is a structural diagram of the utility model.

Figure 2 is a structural diagram of the transmission seat in the utility model.

Detailed ways:

The utility model will be further explained below in conjunction with the drawings.

As shown in Fig. 1 and Fig. 2, a plant root cutting tool of the present invention includes a cutter holder 1, a cylinder 2, a transmission seat 3 and a chopping knife 4. The transmission seat 3 is rotatably connected to the cutter holder 1, and the cylinder 2 is fixedly connected On the knife holder 1, the output shaft of the cylinder 2 is hinged with the transmission base 3, and the shredder 4 is fixedly connected to the output end of the transmission base 3.

The shredding knife 4 in the present utility model includes a mounting body 41, a cutting blade 42 and a drill rod 43. The mounting body 41 has a cone barrel structure. A number of cutting blades 42 and a drill rod 43 are fixed on the cone wall of the mounting body 41 in the circumferential direction. The threaded connection is on the bottom surface of the mounting body 41, the drill rod 43 is a spiral drill rod structure, and a flange surface is provided on the top of the mounting body 41.

The transmission base 3 in the present invention includes a housing 31, a housing shaft, a first bevel gear 32, a second bevel gear 33, a first transmission gear 35, a second transmission gear 36, and a spline shaft 37. The housing 31 passes The housing shaft is rotatably connected to the tool holder 1, the output shaft of the cylinder 2 is hinged with the housing 31, the first bevel gear 32, the second bevel gear 33, the first transmission gear 35 and the second transmission gear 36 are all rotatably connected to In the housing 31, the first bevel gear 32 and the second bevel gear 33 mesh with each other, the first transmission gear 35 and the second transmission gear 36 mesh with each other, the second bevel gear 33 and the first transmission gear 35 are fixed, and the spline shaft 37 and the second transmission gear 36 are fixed, the output shaft is fixed on the first bevel gear 32, the end of the output shaft is provided with a flange surface 34, the flange surface 34 of the output shaft is fixedly connected with the flange surface of the mounting body 41, and the spline The shaft 37 is the input end of the transmission base 3, and the axis of the spline shaft 37 is perpendicular to the axis of the drill rod 43.

The drill rod 43 is a cone-shaped spiral drill rod structure. The drill rod 43 has a good soil drilling effect. The cutting blade 42 is a right-angled structure with horizontal and vertical sides. The horizontal edge of the cutting blade 42 is welded to the tapered wall of the mounting body 41. Above, the horizontal edge of the cutting blade 42 is arranged along the axial direction of the mounting body 41, and the end of the horizontal edge of the cutting blade 42 is a knife edge.

When the utility model is in use, while the chopping knife 4 is rotating, the air cylinder 2 drives the chopping knife 4 to swing, which can increase the soil breaking effect and improve the cutting efficiency of plant roots.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, several improvements can be made without departing from the principles of the present utility model, and these improvements should also be regarded as the present invention. The scope of protection of utility models.

Claims

A cutting tool for plant roots, which is characterized in that it comprises a knife holder (1), an air cylinder (2), a transmission seat (3) and a chopping knife (4), and the transmission seat (3) is rotatably connected to the knife holder ( 1), the air cylinder (2) is fixedly connected to the knife holder (1), and the output shaft of the air cylinder (2) is hinged with the transmission base (3), and the chopping knife (4) is fixedly connected to the transmission base (3). The output end; the shredder (4) includes a mounting body (41), a cutting blade (42) and a drill rod (43), the mounting body (41) is a cone barrel structure, in the cone wall of the mounting body (41) Several cutting blades (42) are fixed in the circumferential direction of the upper part, the drill rod (43) is threadedly connected to the bottom surface of the mounting body (41), the drill rod (43) is a spiral drill rod structure, and the top of the mounting body (41) is provided With flange surface;

The transmission seat (3) includes a housing (31), a housing shaft, a first bevel gear (32), a second bevel gear (33), a first transmission gear (35), a second transmission gear (36) and The spline shaft (37), the housing (31) is rotatably connected to the tool holder (1) through the housing shaft, the output shaft of the cylinder (2) is hinged with the housing (31), and the first bevel gear (32) ), the second bevel gear (33), the first transmission gear (35) and the second transmission gear (36) are all rotatably connected in the housing (31), and the first bevel gear (32) and the second bevel gear ( 33) are meshed with each other, the first transmission gear (35) and the second transmission gear (36) are meshed with each other, the second bevel gear (33) and the first transmission gear (35) are fixed, the spline shaft (37) and the second transmission The gear (36) is fixed, the output shaft is fixed on the first bevel gear (32), the end of the output shaft is provided with a flange surface (34), the flange surface (34) of the output shaft and the flange surface of the mounting body (41) It is fixedly connected, and the spline shaft (37) is the input end of the transmission seat (3).
The plant root cutting tool according to claim 1, wherein the drill rod (43) is a cone-shaped spiral drill rod structure.
The plant root cutting tool according to claim 1, wherein the axis of the spline shaft (37) is perpendicular to the axis of the drill rod (43).
The plant root cutting tool according to claim 1, wherein the cutting blade (42) has a right-angled structure with horizontal and vertical sides, and the horizontal edge of the cutting blade (42) is welded to the mounting body ( On the tapered wall of 41), the horizontal edge of the cutting blade (42) is arranged along the axial direction of the mounting body (41), and the end of the horizontal edge of the cutting blade (42) is a knife edge.