CN221082085U

CN221082085U - Multi-tangential-flow roller threshing and separating device for harvester

Info

Publication number: CN221082085U
Application number: CN202322493081.0U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Xinjiang Zhongnong Haidao Biotechnology Co ltd
Current assignee: Xinjiang Zhongnong Haidao Biotechnology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-06-07
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a threshing and separating device with multiple tangential rollers for a harvester, which comprises a threshing grating plate, wherein a first roller, a second roller and a third roller are arranged at the top end of the threshing grating plate from front to back, wheat ears are cut off by a reel of the harvester and are collected into the threshing device by a divider in cooperation with the header, after the wheat ears enter between the threshing grating plate and the first roller, the wheat ears are quickly folded for preliminary beating and extrusion, then after the second roller and the third roller are gradually decelerated, fine grinding is carried out, so that wheat grains are separated from straws, part of straws which are not thoroughly separated enter a discharging roller for final extrusion threshing, the wheat grains fall on a grain conveying belt through the threshing grating plate and are conveyed into a grain bin.

Description

Multi-tangential-flow roller threshing and separating device for harvester

Technical Field

The utility model relates to the technical field of threshing of a harvester, in particular to a multi-tangential-flow roller threshing and separating device for the harvester.

Background

The harvester is an integrated machine for harvesting crops, harvesting and threshing are completed once, grains are concentrated in a storage bin, the threshing separation device is a core of the combine harvester, the threshing separation device plays a key role in loss rate, breakage rate energy consumption and efficiency of the crops, the threshing device of the traditional combine harvester only has one tangential roller, the loss rate is higher at a low rotating speed, the breakage rate is high at a high rotating speed, the adaptation is poor, the threshing effect is poor, the efficiency is low, and the defects of easy omission are caused by a single tangential roller, and the problems need to be solved.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of utility model

Aiming at the problems in the related art, the utility model provides a multi-tangential-flow roller threshing and separating device for a harvester, which aims to overcome the technical problems in the prior art.

For this purpose, the utility model adopts the following specific technical scheme:

The utility model provides a many tangential flow cylinder threshing and separating device for harvester, includes threshing grating board, first cylinder, second cylinder and third cylinder are installed from the front to the back on the top of threshing grating board, first baffle is installed on the upper portion in the middle of first cylinder and second cylinder, the second baffle is installed on the upper portion in the middle of second cylinder and third cylinder, the rear end fixed mounting of threshing grating board has a semicylindrical sieve section of thick bamboo, the discharge cylinder is installed to the upper portion inboard of semicylindrical sieve section of thick bamboo, the outside fixedly connected with auger blade of discharge cylinder, the inboard fixedly connected with stationary blade of auger blade, the front end fixed mounting of discharge cylinder has the awl bucket, the outside fixedly connected with fan-shaped blade of awl bucket, seed grain conveyer belt is installed to threshing grating board and the bottom of semicylindrical sieve section of thick bamboo, first cylinder includes first cylinder, the outside fixedly connected with first reel, the left and right sides fixedly connected with first drive shaft of first reel, the second reel is connected with third reel, the third reel is connected with the third reel.

As a further scheme of the utility model, the first roller, the second roller and the third roller are arranged in parallel, and the sizes of the first roller, the second roller and the third roller are equal.

As a further scheme of the utility model, the first shifting columns on the first roller and the second shifting columns on the second roller are arranged in a staggered way, and the second shifting columns on the second roller and the third shifting columns on the third roller are arranged in a staggered way.

As a further aspect of the present utility model, the rotational speed of the first drum is 1.5 times that of the second drum, and the rotational speed of the second drum is 1.5 times that of the third drum.

As a further aspect of the present utility model, the shapes of the first baffle member and the second baffle member are both V-shaped.

As a further scheme of the utility model, the semi-cylindrical screen cylinder, the discharging roller and the cone cylinder are all provided with 2 groups, and the discharging rollers are arranged in parallel.

As a further scheme of the utility model, the auger blades are fixed on the outer surface of the discharging roller in an uninterrupted staggered manner.

The beneficial effects of the utility model are as follows:

According to the threshing device, wheat ears are cut off by a reel of a harvester, a grain divider is matched with a header and are received in the threshing device through the threshing grating plate, the first roller, the second roller, the third roller, the discharging roller, the grain conveying belt and the like, after the wheat ears enter between the threshing grating plate and the first roller, the wheat ears are quickly folded to be primarily hit and extruded, then the second roller and the third roller are gradually decelerated, fine grinding is performed, so that the wheat ears are separated from straws, part of straws which are not completely separated enter the discharging roller to be finally extruded and threshed, the wheat ears fall on the grain conveying belt through the threshing grating plate and are conveyed into a grain bin, the speed of the three rollers is sequentially slowed down through a gearbox, the wheat ears can be fully extruded and threshed between the rollers and the grating plate, the threshing effect is improved, and the problem that single-flow rollers are omitted is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious 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 view of the overall structure of a multi-tangential roller threshing and separating device for a harvester according to an embodiment of the utility model;

Fig. 2 is a schematic view of a partial structure of a discharging drum of a multi-tangential-drum threshing and separating device for a harvester according to an embodiment of the utility model;

FIG. 3 is a schematic view showing a partial structure of a threshing grating plate of a multi-tangential-flow-roller threshing and separating device for a harvester according to an embodiment of the utility model;

fig. 4 is a schematic view of the installation position of a multi-tangential roller threshing and separating device for a harvester in the harvester according to an embodiment of the utility model.

In the figure:

1. Threshing grating plates; 2. a first roller; 21. a first roller body; 22. a first shifting column; 23. a first drive shaft; 3. a second drum; 31. a second roller body; 32. a second shifting column; 33. a second drive shaft; 4. a third drum; 41. a third drum; 42. a third shifting column; 43. a third drive shaft; 5. a first baffle member; 6. a second baffle member; 7. a semi-cylindrical screen drum; 8. a discharge roller; 9. auger blades; 10. a fixing piece; 11. a cone barrel; 12. fan-shaped blades; 13. and a seed conveying belt.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a multi-tangential-flow-roller threshing and separating device for a harvester is provided.

Referring to fig. 1-4 of the specification, a threshing and separating device with multiple tangential flow rollers for a harvester according to an embodiment of the utility model comprises a threshing grating plate 1, wherein a first roller 2, a second roller 3 and a third roller 4 are arranged at the top end of the threshing grating plate 1 from front to back, a first baffle member 5 is arranged at the middle upper parts of the first roller 2 and the second roller 3, a second baffle member 6 is arranged at the middle upper parts of the second roller 3 and the third roller 4, a semi-cylindrical screen cylinder 7 is fixedly arranged at the rear end of the threshing grating plate 1, a discharging roller 8 is arranged at the inner side of the upper part of the semi-cylindrical screen cylinder 7, auger blades 9 are fixedly connected at the outer side of the discharging roller 8, the inner side of the auger blade 9 is fixedly connected with a fixing sheet 10, the front end of the discharging roller 8 is fixedly connected with a cone 11, the outer side of the cone 11 is fixedly connected with a fan-shaped blade 12, the first roller 2 comprises a first roller body 21, the outer side of the first roller body 21 is fixedly connected with a first shifting column 22, the left and right ends of the first roller body 21 are fixedly connected with a first driving shaft 23, the second roller 3 comprises a second roller body 31, the outer side of the second roller body 31 is fixedly connected with a second shifting column 32, the left and right ends of the second roller body 31 are fixedly connected with a second driving shaft 33, the third roller 4 comprises a third roller body 41, the outside of the third roller body 41 is fixedly connected with a third shifting column 42, the left end and the right end of the third roller body 41 are fixedly connected with a third driving shaft 43, the device is a threshing separation device, therefore, the device is arranged between a header and a granary of a harvester, a threshing grating plate 1 is fixed on a header fixing frame by bolts, the driving shafts of a first roller 2, a second roller 3 and a third roller 4 on the grating are connected with a gearbox, so that the first roller 2, the second roller 3 and the third roller 4 run from fast to slow, wheat ears are cut into sections by a divider and a reel at the front end of the harvester, and then enter between the threshing grating plate 1 and the first roller 2, the wheat ears are rubbed between the roller and the grid under the rotation of the first roller 2, so that wheat grains in the wheat ears are discharged downwards from the grid holes, the wheat grains of the wheat ears are separated from straws under the continuous rotation of the three groups of rollers, the poking columns on the rollers are arranged in a staggered way, the bad threshing effect is avoided, the first roller 2 and the second roller 3 strike and squeeze materials one by one, a plurality of first rod teeth and a plurality of second rod teeth strike and squeeze materials from each other to remove grains and grain shells, the grains and the grain shells are separated by two groups of grid sieve concave plates corresponding to the first roller 2 and the second roller 3 and enter a cleaning and sorting motion workbench, the arrangement of the first roller 2 and the second roller 3 effectively reduces the winding of the materials and smoothly discharges the materials to the third roller 4, most of materials are threshed through the first roller 2 and the second roller 3, few materials are threshed and are difficult to thresh, seeds and shells are not separated from the materials and are conveyed to the third roller 4, the third roller 4 is a roller with extremely strong threshing performance, the seeds are almost completely threshed through the roller chamber, part of the seeds are separated by a grid sieve concave plate corresponding to the third roller 4, part of the seeds are not threshed successfully and enter between the discharging roller 8 and the semi-cylindrical sieve cylinder 7, the threshing separation is further carried out after the direction of the straws is changed, and the threshing effect is improved.

In an embodiment referring to fig. 1 to 4 of the present disclosure, as a further solution of the present disclosure, the first roller 2, the second roller 3 and the third roller 4 are disposed in parallel, the sizes of the first roller 2, the second roller 3 and the third roller 4 are equal, the first shifting column 22 on the first roller 2 and the second shifting column 32 on the second roller 3 are disposed in a staggered manner, and the second shifting column 32 on the second roller 3 and the third shifting column 42 on the third roller 4 are disposed in a staggered manner, so that the straw and the seed shell can be ground uniformly, and error leakage is avoided.

In another embodiment, referring to fig. 1-4 of the specification, as a further scheme of the present utility model, the rotation speed of the first roller 2 is 1.5 times that of the second roller 3, the rotation speed of the second roller 3 is 1.5 times that of the third roller 4, and the rollers run from fast to slow, so that the straw can be fully filled between the rollers and the threshing grid plate 1, and can be milled and threshed, and the threshing effect is improved.

In an embodiment, referring to fig. 1 to 4 of the drawings, as a further aspect of the present utility model, the shapes of the first baffle member 5 and the second baffle member 6 are V-shaped, so as to avoid the straw from separating from the harvester during the rotation process of the drum.

In another embodiment, referring to fig. 1 to 4 of the specification, as a further scheme of the present utility model, the semi-cylindrical screen cylinder 7, the discharging cylinder 8 and the cone 11 are all provided with 2 groups, the discharging cylinders 8 are arranged in parallel, the auger blades 9 are continuously and alternately arranged and fixed on the outer surface of the discharging cylinder 8, and the discharging cylinder 8 has the function of separating straw conveying from residual grains.

When in use, the device is arranged between a header and a granary of a harvester, the threshing grating plate 1 is fixed on the header fixing frame by bolts, the driving shafts of the first roller 2, the second roller 3 and the third roller 4 on the grating are connected with a gearbox, so that the first roller 2, the second roller 3 and the third roller 4 run from fast to slow, wheat ears are cut into sections by a divider and a reel at the front end of the harvester, then enter between the threshing grating plate 1 and the first roller 2, the wheat ears are rubbed between the roller and the grating under the rotation of the first roller 2, so that wheat grains in the wheat ears are discharged downwards from grating holes, the wheat grains in the wheat ears are separated from straws under the continuous rotation of the three groups of rollers, and the reel columns on the rollers are staggered, so that bad threshing effect is avoided, the first roller 2 and the second roller 3 strike and squeeze materials one by one, the seeds and the shells are separated by the two groups of grid sieve concave plates corresponding to the first roller 2 and the second roller 3 and enter a cleaning motion workbench, the arrangement of the first roller 2 and the second roller 3 effectively reduces the winding of the materials and smoothly discharges the materials to the third roller 4, most of the materials are threshed after threshing by the first roller 2 and the second roller 3, few and difficult threshing and the seeds and the shells are not separated out and conveyed to the third roller 4, the third roller 4 is a roller with extremely strong threshing performance, the seeds are almost completely threshed by the roller chamber, part of the seeds are separated by the group of grid sieve concave plates corresponding to the third roller 4, part of the seeds are not threshed successfully and enter between the discharging roller 8 and the semi-cylindrical sieve cylinder 7, the straw is threshed and separated after changing the direction, the threshing effect is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a harvester is with many tangential flow cylinder threshing and separating device, includes threshing grating board (1), its characterized in that: the threshing grid plate (1) is characterized in that a first roller (2), a second roller (3) and a third roller (4) are arranged at the top end of the threshing grid plate (1) from front to back, a first baffle (5) is arranged at the middle upper parts of the first roller (2) and the second roller (3), a second baffle (6) is arranged at the middle upper parts of the second roller (3) and the third roller (4), a semi-cylindrical screen drum (7) is fixedly arranged at the rear end of the threshing grid plate (1), a discharging roller (8) is arranged at the inner side of the upper part of the semi-cylindrical screen drum (7), an auger blade (9) is fixedly connected to the outer side of the discharging roller (8), a fixing piece (10) is fixedly connected to the inner side of the auger blade (9), a cone (11) is fixedly arranged at the front end of the discharging roller (8), a fan blade (12) is fixedly connected to the outer side of the cone (11), and a seed conveying belt (13) is arranged at the bottom ends of the threshing grid plate (1) and the semi-cylindrical screen drum (7);

The first roller (2) comprises a first roller body (21), a first shifting column (22) is fixedly connected to the outer side of the first roller body (21), and a first driving shaft (23) is fixedly connected to the left end and the right end of the first roller body (21);

The second roller (3) comprises a second roller body (31), a second shifting column (32) is fixedly connected to the outer side of the second roller body (31), and second driving shafts (33) are fixedly connected to the left end and the right end of the second roller body (31);

The third roller (4) comprises a third roller body (41), a third poking column (42) is fixedly connected to the outer side of the third roller body (41), and a third driving shaft (43) is fixedly connected to the left end and the right end of the third roller body (41).

2. The multi-tangential roller threshing and separating device for a harvester of claim 1, wherein: the first roller (2), the second roller (3) and the third roller (4) are arranged in parallel, and the sizes of the first roller (2), the second roller (3) and the third roller (4) are equal.

3. The multi-tangential roller threshing and separating device for a harvester of claim 1, wherein: the first shifting columns (22) on the first roller (2) and the second shifting columns (32) on the second roller (3) are arranged in a staggered mode, and the second shifting columns (32) on the second roller (3) and the third shifting columns (42) on the third roller (4) are arranged in a staggered mode.

4. The multi-tangential roller threshing and separating device for a harvester of claim 1, wherein: the rotating speed of the first roller (2) is 1.5 times of the rotating speed of the second roller (3), and the rotating speed of the second roller (3) is 1.5 times of the rotating speed of the third roller (4).

5. The multi-tangential roller threshing and separating device for a harvester of claim 1, wherein: the shapes of the first baffle member (5) and the second baffle member (6) are V-shaped.

6. The multi-tangential roller threshing and separating device for a harvester of claim 1, wherein: the semi-cylindrical screen cylinder (7), the discharging roller (8) and the cone barrel (11) are all provided with 2 groups, and the discharging roller (8) is arranged in parallel.

7. The multi-tangential roller threshing and separating device for a harvester of claim 1, wherein: the auger blades (9) are uninterruptedly and alternately arranged and fixed on the outer surface of the discharging roller (8).