CN104012252B

CN104012252B - Shredding cutter shaft with air drafting effect

Info

Publication number: CN104012252B
Application number: CN201410248559.6A
Authority: CN
Inventors: 范淑贞; 陈革
Original assignee: Heilongjiang Hongxinglong Machinery Manufacturing Co Ltd
Current assignee: Heilongjiang Hongxinglong Machinery Manufacturing Co Ltd
Priority date: 2014-06-06
Filing date: 2014-06-06
Publication date: 2017-01-25
Anticipated expiration: 2034-06-06
Also published as: CN104012252A

Abstract

The invention relates to a shredding cutter shaft with the air drafting effect, and belongs to crop straw processing devices. The shredding cutter shaft with the air drafting effect is composed of a bearing base, air drafting blades, a shredding cutter shaft body, a movable cutter base and a movable cutter, the bearing base is located at the two ends of the shredding cutter shaft body, the air drafting blades are evenly arranged outside the shredding cutter shaft body in a staggered mode, and the upper portion and the lower portion of the position, attached to the bearing base, of one end of the shredding cutter shaft body are provided with the movable cutter base and the movable cutter respectively. Through the technological improvement, the shredding cutter shaft has the advantages that crop straws, in particular to crop straws (rice straws) with the high shredding tenacity, are easily shredded; the movable equilibrium amount of the shredding cutter shaft is decreased, and the shredding cutter shaft is stable during high-speed rotation; vibration of a whole machine is reduced, and other components are easily protected.

Description

There is the chopping cutter shaft of air draught effect

Technical field

The invention belongs to the processing meanss of crop straw, the shredder bar of the secondary mincing and returning to the field of specifically a kind of crop straw Axle.

Background technology

The crop straw processing meanss that now market sale and peasant are used, the principle of its mincing and returning to the field is just as 's.The kinetic energy being produced using the chopping cutter shaft of high-speed rotation, crop straw is picked up or interrupts crop straw, be involved in frame shell In vivo, cutting, impact then through moving knife and the upper and lower blade row being arranged in frame housing so that the long straw stalk of crop is chopped into, Crop straw chopped, in the presence of air-flow and centrifugal force, is shed on the field after equipment along frame housing inwall.

However, the crop straw that present market sale and peasant are used cuts up and farmland returned machine, also not up to user is wanted Seek purpose to be reached.Such as: the homogeneity question shed after crop straw chopping；Cut after crop straw cutting that stubble is high, bottom not Neat problem；The problems such as ground roll easy clay stickweed.

Content of the invention

In order to solve the above problems, the present invention is intended to provide a kind of by new chopping rotor design, can adsorb from United reaper chopping straw stalk, carry out secondary chopping shed operation the secondary chopping of straw stalk shed on machine have air draught effect Chopping cutter shaft.

In order to achieve the above object, the present invention adopts the following technical scheme that

There is the chopping cutter shaft of air draught effect, by bearing block, air draught blade, chopping cutter shaft, moving knife seat and moving knife, as this The technical characteristic of invention, bearing seat, in the two ends of chopping cutter shaft, the outside uniformly distribution air draught blade straggly of chopping cutter shaft, is cut The position that bearing block is pressed close in one end of broken cutter shaft is respectively equipped with moving knife seat and moving knife up and down.

As a further improvement on the present invention, the axle body part that chopping cutter shaft two ends are exposed is lying into the bearing block that two ends are widened Interior；The excircle of chopping cutter shaft staggers and is symmetrically welded with the air draught blade of certain altitude, be interspersed in cutting blade knife Between the space of seat combination.

As a further improvement on the present invention, chopping cutter shaft excircle on be welded with axial symmetry arrangement dredge, close not One moving knife seat；Moving knife bolt connects firmly on moving knife seat.

The present invention, through above-mentioned technological improvement, has reached following beneficial effect: be conducive to the chopping of crop straw, especially It is the very big crop straw (paddy stalk) of chopping toughness；Reduce the computing ballance correction of chopping cutter shaft, make chopping cutter shaft at a high speed More steady in rotation；Reduce the vibrations of whole machine, more helpful to the other parts of protection.

Brief description

Fig. 1 has the chopping cutter shaft overall structure diagram of air draught effect for the present invention；

Fig. 2 has chopping cutter shaft moving knife seat and the moving knife structural representation of air draught effect for the present invention.

Specifically embodiment

Below in conjunction with the accompanying drawings, the present invention will be further described:

There is the chopping cutter shaft of air draught effect, by bearing block 1, air draught blade 2, chopping cutter shaft 3, moving knife seat 4 and moving knife 5, Described bearing block 1 is located at the two ends of chopping cutter shaft 3, the outside uniformly distribution air draught blade 2 straggly of chopping cutter shaft 3, shredder bar The position that bearing block 1 is pressed close in one end of axle 3 is respectively equipped with moving knife seat 4 and moving knife 5 up and down.

The axle body part that described chopping cutter shaft 3 two ends are exposed is lying in the bearing block 1 widened at two ends；In chopping cutter shaft 3 Excircle on stagger and be symmetrically welded with the air draught blade 2 of certain altitude, be interspersed in the space of cutting blade tool rest combination Between.

Thin, the close moving knife seat 4 differing of axial symmetry arrangement is welded with the described excircle in chopping cutter shaft 3；Moving knife 5 Connected firmly on moving knife seat 4 with bolt.

To rack-mounted chopping cutter shaft 3, following design, accompanying drawing 1 are done.The end face design of two end axles bearing 1 There is seam；So that the axle body that chopping cutter shaft 3 two ends are exposed is enclosed in the bearing block 1 widened, long straw stalk and weeds can be prevented Winding, prevent the entrance of hard debris and silt particle again, this prevents the too early damage of bearings at both ends and improve two ends again The service life of bearing.

Stagger on the excircle of chopping cutter shaft 3 and be symmetrically welded with the air draught blade 2 of certain altitude；Make its whole covering moving knife Cutting width, setting air draught blade 2 purpose, be increased chopping cutter shaft 3 high-speed rotation chopping cutter shaft produce absorption Ability, picks up the length straw landing and carries out secondary chopping.

On the excircle of chopping cutter shaft 3, design is welded with thin, the close moving knife seat 4 differing of helical symmetry arrangement；Moving knife 5 is every Bolt corresponding to bright finish connects firmly on moving knife seat 4.The former upper and lower fixing blade row being fixed in frame is left and right putting the first edge on a knife or a pair of scissors； The left and right stationary knife of so upper and lower every two panels, just with each the moving knife seat 4 being arranged on chopping cutter shaft 3 on two moving knife 5 light The corresponding contact in face, the gap very little of every moving knife and stationary knife；Thus it is more beneficial for the chopping of crop straw, particularly cut The very big crop straw of broken toughness (paddy stalk).Helical symmetry arrangement is the form that moving knife seat 4 is welded on chopping cutter shaft 3. On the circumferencial direction of chopping cutter shaft 3, point have 4 Ge Xiangxian areas, 1-3 as in line area (0-90 °, 180-270 °) circumference symmetrical It is welded with the moving knife seat 4 relatively dredged.It is symmetrically welded with closeer moving knife in 2-4 as (90-180 degree, 270-360 degree) is circumferential in line area Seat 4.The feature of so design is to reduce the computing ballance correction of chopping cutter shaft 3, makes chopping cutter shaft 3 more flat in high-speed rotation Surely；Reduce the vibrations of whole machine, more helpful to the other parts of protection.

Claims

1. have air draught effect chopping cutter shaft, by bearing block (1), air draught blade (2), chopping cutter shaft (3), moving knife seat (4) and Moving knife (5) it is characterised in that: bearing block (1) be located at chopping cutter shaft (3) two ends, chopping cutter shaft (3) uniformly straggly point of outside Cloth air draught blade (2), staggers on the excircle of chopping cutter shaft (3) and is symmetrically welded with the air draught blade (2) of certain altitude, interlocks It is distributed between the space of cutting blade tool rest combination, one end of chopping cutter shaft (3) is pressed close to the position of bearing block (1) and set respectively up and down There are moving knife seat (4) and moving knife (5).

2. have as claimed in claim 1 air draught effect chopping cutter shaft it is characterised in that: chopping cutter shaft (3) two ends expose Axle body part be lying in the bearing block (1) widened at two ends.

3. have as claimed in claim 1 air draught effect chopping cutter shaft it is characterised in that: chopping cutter shaft (3) cylindrical Thin, the close moving knife seat (4) differing of axial symmetry arrangement is welded with week；Moving knife (5) bolt connects firmly on moving knife seat (4).