CN211792948U

CN211792948U - Straw cutting mechanism for harvester

Info

Publication number: CN211792948U
Application number: CN202020354382.9U
Authority: CN
Inventors: 吴晓伟
Original assignee: Anhui Zhongke Intelligent Sensing Industry Technology Research Institute Co ltd
Current assignee: Anhui Zhongke Intelligent Sensing Industry Technology Research Institute Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-10-30
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a straw cutting mechanism for harvester, include the shear knife, move the cutting knife and protect the sword ware, protect the sword ware by two protect the sword body and connect two protect the fixed plate of the sword body and constitute, protect the sword ware through a detachable installation of bolt on the fixed plate, it has the ability to let to protect to open on the sword body move the logical groove of cutting knife process, the shear knife passes through two detachable installations in protect on the sword body, it passes through three detachable installations on the movable plate of bolt to move the cutting knife. The utility model provides an among the prior art inconvenient problem is changed to the cutting knife.

Description

Straw cutting mechanism for harvester

Technical Field

The utility model relates to a straw cutting mechanism for harvester.

Background

The harvester is the integration machinery of reaping crops, and the cutting knife on the harvester is that the harvester is used for the key mechanism of crop straw cutting, and the cutting knife includes the fixed cutter and moves the cutting knife, and the fixed cutter uses with moving the cutting knife cooperation and carry out the cutting of straw when using, and the multi-purpose fix with rivet of current cutting knife is when the cutting knife damages needs to be changed, and it is inconvenient to change.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a straw cutting mechanism for harvester to solve prior art middle cutting knife and change inconvenient problem.

The straw cutting mechanism for the harvester comprises a fixed cutting knife, a movable cutting knife and a knife protector, wherein the knife protector is composed of two knife protector bodies and a fixing plate connected with the two knife protector bodies, the knife protector is detachably arranged on the fixing plate through a first bolt, a through groove through which the movable cutting knife can pass is formed in the knife protector body, the fixed cutting knife is detachably arranged on the knife protector body through a second bolt, and the movable cutting knife is detachably arranged on the movable plate through a third bolt.

Preferably, the fixed plate is of a cuboid structure, a first groove matched with the fixed plate is formed in the fixed plate, and the two ends and the middle of the fixed plate are fixedly connected with the fixed plate through a first bolt.

Preferably, the fixed cutting knife is provided with a first two bosses, the top of the through groove is provided with a first step hole matched with the first bosses, the fixed cutting knife is connected with the blade protecting body through a second bolt, and the first bosses are located in the first step hole.

Preferably, the movable plate is of a cuboid structure, a second groove is formed in the movable plate, a second boss is arranged on the movable cutting knife, the second groove is matched with the part, provided with the second boss, of the movable cutting knife, a second stepped hole matched with the second boss is formed in the second groove, the movable cutting knife is connected with the movable plate through a third bolt, and the second boss is located in the second stepped hole.

Preferably, the number of the fixed cutting knives and the number of the blade protectors are respectively distributed along the fixed plate, and the number of the movable cutting knives is distributed along the movable plate.

The utility model has the advantages of as follows:

1. the utility model discloses in use the bolt to the stationary knife, move the cutting knife and protect the sword ware and fix, not only fixed effectual, dismantle and install all convenience very when changing moreover.

2. When the fixed cutter or move a bolt on the cutting knife not hard up or drop, the fixed cutter or move the cutting knife and also can not drop, with the fixed cutter with move cutting knife complex recess restriction blade and rotate, not only can prevent that the blade from colliding each other, the blade can also normally cut the straw moreover.

3. The blade protecting body and the movable plate are provided with step holes matched with bosses arranged on the fixed cutting knife and the movable cutting knife, so that the fixed cutting knife and the blade protecting body are tightly connected, and the movable cutting knife and the movable plate are tightly connected.

Drawings

FIG. 1 is a schematic structural view of a straw cutting mechanism for a harvester according to the present invention;

FIG. 2 is a schematic view of the structure shown in FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of a movable cutter;

FIG. 4 is a schematic structural view of a stationary cutter;

FIG. 5 is a schematic structural view of a stationary plate and a movable plate;

fig. 6 is a schematic view of the structure of the edge guard.

In the drawings are labeled: 1. the cutting device comprises a fixed cutting knife 11, a first boss 2, a movable cutting knife 21, a second boss 3, a blade protector 31, a blade protector body 32, a fixing plate 33, a through groove 331, a first stepped hole 34, a second bolt 4, a movable plate 41, a second groove 411, a second stepped hole 42, a third bolt 5, a fixed plate 51, a first groove 52 and a first bolt.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided to help those skilled in the art to more fully, accurately and deeply understand the concept and technical solutions of the present invention, through the description of the embodiments with reference to the accompanying drawings.

As shown in fig. 1-6, the utility model provides a straw cutting mechanism for harvester, include stationary knife 1, move cutting knife 2 and protect sword ware 3, protect sword ware 3 by two protect the sword body 31 and connect two protect the fixed plate 32 of the sword body 31 to constitute, protect sword ware 3 through the detachable installation of bolt 52 on stationary plate 5, it has the logical groove 33 that can let to protect to open on the sword body 31 move cutting knife 2 process, stationary knife 1 through two 34 detachable installations in protect on the sword body 31, move cutting knife 2 through three 42 detachable installations on movable plate 4 of bolt.

Decide board 5 and be the cuboid structure, decide board 5 be equipped with fixed plate 32 complex recess 51, the both ends of fixed plate 32 with the centre respectively through bolt 52 with decide board 5 fixed connection.

The fixed cutting knife 1 is provided with two bosses I11, the top of the through groove 33 is provided with a step hole I331 matched with the bosses I11, the fixed cutting knife 1 is connected with the blade protecting body 31 through a bolt II 34, and the bosses I11 are positioned in the step hole I331.

The movable plate 4 is of a cuboid structure, a second groove 41 is formed in the movable plate, two second bosses 21 are formed in the movable cutting knife 2, the second groove 41 is matched with the portion, provided with the second bosses 21, of the movable cutting knife 2, a second stepped hole 411 matched with the second bosses 21 is formed in the second groove 41, the movable cutting knife 2 is connected with the movable plate 4 through a third bolt 42, and the second bosses 21 are located in the second stepped holes 411.

The number of the fixed cutting knives 1 and the number of the blade protectors 3 are respectively distributed along the fixed plate 5, and the number of the movable cutting knives 2 are distributed along the movable plate 4.

The utility model discloses when changing the installation to the edge protector 3, put the fixed plate 32 of edge protector 3 in recess 51, then use bolt 52 to screw up edge protector 3 and decide board 5 fixed, when changing the installation to the fixed cutting knife 1, keep flat on the sword body 31 to the fixed cutting knife 1, and make boss 11 on the fixed cutting knife 1 be located step hole 331, then it is fixed to screw up fixed cutting knife 1 and sword body 31 with two 34 bolts, when changing the installation to moving cutting knife 2, keep flat in recess two 41 on the movable plate 4 to moving cutting knife 2, and make boss two 21 on the moving cutting knife 2 be located step hole two 411, then it is fixed to screw up with three 42 bolts moving cutting knife 2 and movable plate 4. When the movable plate 4 drives the movable cutter 2 thereon and cuts the straws together with the fixed cutter 1, the movable cutter 2 passes through the through groove 33 on the blade protecting body 31.

The above description is made for the exemplary purposes with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims

1. A straw cutting mechanism for a harvester, characterized in that: the cutting edge protection device comprises a fixed cutting edge (1), a movable cutting edge (2) and an edge protector (3), wherein the edge protector (3) comprises two edge protection bodies (31) and a fixing plate (32) connected with the two edge protection bodies (31), the edge protector (3) is detachably mounted on a fixed plate (5) through a first bolt (52), a through groove (33) through which the movable cutting edge (2) passes is formed in the edge protection body (31), the fixed cutting edge (1) is detachably mounted on the edge protection body (31) through a second bolt (34), and the movable cutting edge (2) is detachably mounted on a movable plate (4) through a third bolt (42).

2. The straw cutting mechanism for a harvester of claim 1, wherein: decide board (5) and be the cuboid structure, decide be equipped with on board (5) with fixed plate (32) complex recess (51), the both ends of fixed plate (32) with the centre respectively through bolt one (52) with decide board (5) fixed connection.

3. The straw cutting mechanism for a harvester of claim 2, wherein: the fixed cutting knife (1) is provided with two first bosses (11), the top of the through groove (33) is provided with a first stepped hole (331) matched with the first bosses (11), the fixed cutting knife (1) is connected with the blade protecting body (31) through a second bolt (34), and the first bosses (11) are located in the first stepped hole (331).

4. A straw cutting mechanism for a harvester according to claim 3, wherein: the movable plate (4) is of a cuboid structure, a groove II (41) is formed in the movable plate, two bosses II (21) are arranged on the movable cutting knife (2), the groove II (41) is matched with the part, provided with the boss II (21), of the movable cutting knife (2), a step hole II (411) matched with the boss II (21) is formed in the groove II (41), the movable cutting knife (2) is connected with the movable plate (4) through a bolt III (42), and the boss II (21) is located in the step hole II (411).

5. The straw cutting mechanism for a harvester of claim 4, wherein: the number of the fixed cutting knives (1) and the number of the blade protectors (3) are respectively distributed along the fixed plate (5), and the number of the movable cutting knives (2) are distributed along the movable plate (4).