CN210840730U

CN210840730U - Cutter protector for combine harvester

Info

Publication number: CN210840730U
Application number: CN201921607546.8U
Authority: CN
Inventors: 周路双
Original assignee: Jinhu Shuangyang Machinery Co ltd
Current assignee: Jinhu Shuangyang Machinery Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-26
Anticipated expiration: 2029-09-25

Abstract

The utility model provides a cutting knife protects sword ware for combine relates to harvester cutting knife technical field, including the blade, the both sides lateral wall of blade is equipped with the cutting edge, and two screws have been seted up on the surface of blade, and the fixed surface of blade is connected with protector, and protector's inside is equipped with coupling mechanism, and the screw is two, and two equal vertical two walls that run through the blade of screw to two screws use the blade axis to be axial symmetry distribution as the symmetry axis, and the blade passes through screw construction bolt and this body coupling of harvester. The utility model discloses, drive the screw rod through miniature driving motor and rotate, the screw rod rotates at the inside screw thread of slider, makes the slider at blade surface slip, utilizes the slider to drive coupling mechanism, drives the protection casing with the help of coupling mechanism, utilizes the protection casing to slide inside the spout, thereby clears up the straw of card in the cutting edge inside through the protection casing at cutting edge surface slip, has solved the straw card and has leaded to reducing the problem of cutting efficiency inside the cutting edge.

Description

Cutter protector for combine harvester

Technical Field

The utility model relates to a harvester cutting knife technical field especially relates to a cutting knife protects sword ware for combine.

Background

The harvester is a machine for integrally harvesting crops, finishes harvesting and threshing at one time, collects grains into a storage bin, conveys grains to a transport vehicle through a conveying belt, can also use manual harvesting, lays straws of crops such as rice, wheat and the like in the field, and then picks up and threshes the grains by using a grain harvesting machine, and the grain harvesting machine for harvesting grain crop particles such as rice, wheat and the like and straws comprises a harvester, a swather, a reaper-binder, a grain combine harvester, a grain thresher and the like, and the grain harvesting machine is developed on the basis of various harvesting and threshing tools.

The existing cutting knife used by the harvester has the following defects: when the cutting knife cuts the straws of cereal crops, the straw scraps are easy to be blocked in gaps on the surface of the cutting knife, so that the cutting efficiency of the cutting knife is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a cutter protector for a combine harvester.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cutting knife protects sword ware for combine, includes the blade, the both sides lateral wall of blade is equipped with the cutting edge, two screws have been seted up on the surface of blade, the fixed surface of blade is connected with protector, protector's inside is equipped with coupling mechanism.

Preferably, the number of the screw holes is two, the two screw holes vertically penetrate through two walls of the blade, the two screw holes are distributed in an axisymmetric mode by taking a blade middle shaft as a symmetry axis, and the blade is connected with the harvester body through screw hole mounting bolts.

Preferably, protector includes micro-drive motor and protection casing, micro-drive motor's output pivot fixedly connected with screw rod, the one end that micro-drive motor was kept away from to the screw rod is passed through the bearing and is connected with the blade rotation, the surperficial threaded connection of screw rod has the slider, the surface and the blade sliding connection of slider, the blade surface is equipped with the protection casing for the position of cutting edge, the fixed surface of protection casing and slider is connected with coupling mechanism.

Preferably, the surface of the blade is provided with a sliding groove relative to the position of the cutting edge, and the surface of the sliding groove is connected with the protective cover in a sliding manner.

Preferably, the connecting mechanism comprises a loop bar, a slide hole is formed in the loop bar, a spring is fixedly connected to the inner wall of the slide hole, a check block is fixedly connected to one end of the spring, the surface of the check block is connected with the inner wall of the slide hole in a sliding mode, a slide bar is fixedly connected to one end, away from the spring, of the check block, a protective cover is connected to one end, away from the loop bar, of the slide bar through rotation, and one end, away from the slide bar, of the loop bar is connected with the slide block through.

Preferably, the loop bar is far away from the surperficial one end threaded connection of protection casing and is had the stopper, the inside sliding connection of stopper has the slide bar.

Advantageous effects

1. The utility model discloses in, drive the screw rod through miniature driving motor and rotate, the screw rod rotates at the inside screw thread of slider, makes the slider at blade surface slip, utilizes the slider to drive coupling mechanism, drives the protection casing with the help of coupling mechanism, utilizes the protection casing to slide inside the spout, thereby clears up the straw of card in the cutting edge inside through the protection casing at cutting edge surface slip, has solved the problem that the straw card leads to reducing cutting efficiency inside the cutting edge.

2. The utility model discloses in, the slide bar receives external force and slides in the loop bar is inside, utilizes the slide bar to slide at the inside drive spring of slide opening, carries on spacingly to the dog through the stopper, thereby the slide bar adjusts coupling mechanism's length with the help of the elasticity of spring to the spring application of force to reduce the shearing force of transmission between protection casing and the slider.

Drawings

Fig. 1 is a front view of a three-dimensional structure of a cutter guard for a combine harvester according to the present invention;

fig. 2 is a rear view of a three-dimensional structure of a cutter guard for a combine harvester according to the present invention;

fig. 3 is a schematic structural view of a connecting mechanism in a cutter guard for a combine harvester according to the present invention;

fig. 4 is the structural schematic diagram of a position a in fig. 1 of the cutting knife protector for the combine harvester provided by the utility model.

Illustration of the drawings:

1. a blade; 2. a screw hole; 3. a blade; 4. a guard; 401. a micro drive motor; 402. a screw; 403. a slider; 404. a connecting mechanism; 4041. a loop bar; 4042. a slide hole; 4043. a spring; 4044. a stopper; 4045. a slide bar; 4046. a limiting block; 405. a protective cover; 5. a chute.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1-4, a cutting knife protector for a combine harvester comprises a blade 1, wherein two side walls of the blade 1 are provided with cutting edges 3, the surface of the blade 1 is provided with two screw holes 2, the surface of the blade 1 is fixedly connected with a protection device 4, the protection device 4 is internally provided with a connecting mechanism 404, the two screw holes 2 vertically penetrate through two walls of the blade 1, the two screw holes 2 are axially symmetrically distributed by taking a middle shaft of the blade 1 as a symmetry axis, and the blade 1 is connected with a harvester body through a screw hole 2 mounting bolt.

Protection device 4 includes miniature driving motor 401 and protection casing 405, miniature driving motor 401's output pivot fixedly connected with screw rod 402, the one end that miniature driving motor 401 was kept away from to screw rod 402 is passed through the bearing and is rotated with blade 1 and be connected, the surperficial threaded connection of screw rod 402 has slider 403, the surface and the blade 1 sliding connection of slider 403, blade 1 surface is equipped with protection casing 405 for the position of cutting edge 3, protection casing 405 and slider 403's fixed surface is connected with coupling mechanism 404, spout 5 has been seted up for the position of cutting edge 3 on blade 1 surface, the surface and the protection casing 405 sliding connection of spout 5.

Coupling mechanism 404 includes loop bar 4041, draw runner 4042 has been seted up to loop bar 4041's inside, draw runner 4042's inner wall fixedly connected with spring 4043, spring 4043's one end fixedly connected with dog 4044, the surface and the draw runner 4042 inner wall sliding connection of dog 4044, the one end fixedly connected with slide bar 4045 of spring 4043 is kept away from to dog 4044, the one end rotation that loop bar 4041 was kept away from to slide bar 4045 is connected with protection casing 405, the one end that loop bar 4041 kept away from slide bar 4045 is rotated with slider 403 and is connected, the surperficial one end threaded connection that protection casing 405 was kept away from to loop bar 4041 has stopper 4046, the inside sliding connection of stopper 4046 has slide bar.

The utility model discloses a theory of operation: drive screw 402 through miniature driving motor 401 and rotate, screw 402 rotates at the inside screw thread of slider 403, make slider 403 slide on blade 1 surface, utilize slider 403 to drive coupling mechanism 404, drive protection casing 405 with the help of coupling mechanism 404, utilize protection casing 405 to slide in spout 5 inside, thereby it clears up the straw of card in cutting edge 3 inside to slide on the surface at cutting edge 3 through protection casing 405, the problem of straw card inside cutting efficiency that leads to reducing of cutting edge 3 has been solved, slide bar 4045 receives external force and slides in loop bar 4041 inside, utilize slide bar 4045 to slide in slide opening 4042 inside drive spring 4043, it is spacing to dog 4044 through stopper 4046, thereby slide bar 4045 adjusts the length of coupling mechanism 404 with the help of spring 4043's elasticity to the spring 4043 application of force, thereby reduce the shearing force of transmission between protection casing 405 and the slider 403.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A cutting knife guard for a combine harvester, comprising a blade (1), characterized in that: the utility model discloses a cutter blade, including blade (1), two screw holes (2), the fixed surface of blade (1) is connected with protector (4), the inside of protector (4) is equipped with coupling mechanism (404), the both sides lateral wall of blade (1) is equipped with cutting edge (3), two screw holes (2) have been seted up on the surface of blade (1).

2. The cutting knife guard for a combine harvester of claim 1, wherein: the number of the screw holes (2) is two, the two screw holes (2) vertically penetrate through two walls of the blade (1), and the two screw holes (2) are distributed in an axisymmetric mode by taking a middle shaft of the blade (1) as a symmetry axis.

3. The cutting knife guard for a combine harvester of claim 1, wherein: protector (4) include miniature driving motor (401) and protection casing (405), the output pivot fixedly connected with screw rod (402) of miniature driving motor (401), the one end that miniature driving motor (401) were kept away from in screw rod (402) is passed through the bearing and is rotated with blade (1) and be connected, the surperficial threaded connection of screw rod (402) has slider (403), the surface and blade (1) sliding connection of slider (403), blade (1) surface is equipped with protection casing (405) for the position of cutting edge (3), the fixed surface of protection casing (405) and slider (403) is connected with coupling mechanism (404).

4. The cutting knife guard for a combine harvester of claim 1, wherein: the cutting blade is characterized in that a sliding groove (5) is formed in the surface of the cutting blade (1) relative to the position of the cutting edge (3), and the surface of the sliding groove (5) is in sliding connection with the protective cover (405).

5. The cutting knife guard for a combine harvester of claim 1, wherein: coupling mechanism (404) includes loop bar (4041), draw-hole (4042) have been seted up to the inside of loop bar (4041), the inner wall fixedly connected with spring (4043) of draw-hole (4042), one end fixedly connected with dog (4044) of spring (4043), the surface and draw-hole (4042) inner wall sliding connection of dog (4044), one end fixedly connected with slide bar (4045) of spring (4043) are kept away from in dog (4044), the one end rotation that loop bar (4041) were kept away from in slide bar (4045) is connected with protection casing (405), the one end that slide bar (4045) were kept away from in loop bar (4041) rotates with slider (403) and is connected.

6. The cutting knife guard for a combine harvester according to claim 5, wherein: the utility model discloses a safety protection cover, including the surface of protection casing (405), loop bar (4041) is kept away from surface one end threaded connection has stopper (4046), the inside sliding connection of stopper (4046) has slide bar (4045).