阅读说明：本技术 一种纵轴流谷子柔撕脱粒滚筒 (Longitudinal axial flow grain soft-tearing threshing roller ) 是由 李心平 王文哲 卢文涛 耿令新 姬江涛 于 2020-07-21 设计创作，主要内容包括：本发明提供一种纵轴流谷子柔撕脱粒滚筒,包括能够绕滚筒轴旋转的柔性脱粒滚筒,柔性脱粒滚筒的外侧设置有多个柔性耐磨橡胶辊；所述柔性脱粒滚筒由的前端和后端分别设置有喂入机构和排草机构,本发明中的脱粒元件为柔性耐磨橡胶辊,柔性耐磨橡胶辊可以大大减小谷子在脱粒过程中所受到的冲击,减少谷子的破碎率；而且耐磨橡胶辊可以增大谷子在脱粒时受到的摩擦力,使谷子在脱粒过程中受到的搓擦作用增强,更加有利于谷子的脱粒。柔性耐磨橡胶辊包括空心环形耐磨橡胶套和刚性空心轴组成；空心环形耐磨橡胶套外围有波浪形凸起,对谷子具有很好的揉撕和碾压脱粒性能。同时具有传统石辊碾压谷子脱粒的仿形特性。(The invention provides a longitudinal axial flow millet soft-tearing threshing cylinder which comprises a flexible threshing cylinder capable of rotating around a cylinder shaft, wherein a plurality of flexible wear-resistant rubber rollers are arranged on the outer side of the flexible threshing cylinder; the front end and the rear end of the flexible threshing cylinder are respectively provided with a feeding mechanism and a grass discharging mechanism, the threshing element in the invention is a flexible wear-resistant rubber roller, and the flexible wear-resistant rubber roller can greatly reduce the impact on the millet in the threshing process and reduce the breakage rate of the millet; and the wear-resistant rubber roller can increase the friction force of the millet during threshing, so that the rubbing action of the millet during threshing is enhanced, and the threshing of the millet is more facilitated. The flexible wear-resistant rubber roller comprises a hollow annular wear-resistant rubber sleeve and a rigid hollow shaft; the wave-shaped bulges are arranged on the periphery of the hollow annular wear-resistant rubber sleeve, and the hollow annular wear-resistant rubber sleeve has good kneading, tearing, rolling and threshing performances for millet. Meanwhile, the threshing roller has the profiling characteristic of the traditional stone roller grinding millet threshing.)

1. A longitudinal axial flow grain soft-tearing threshing cylinder is characterized by comprising a flexible threshing cylinder (2) capable of rotating around a cylinder shaft (203), wherein a plurality of flexible wear-resistant rubber rollers (202) are arranged on the outer side of the flexible threshing cylinder (2);

the front end and the rear end of the flexible threshing cylinder (2) are respectively provided with a feeding mechanism (201) and a grass discharging mechanism (205), wherein the feeding mechanism (201) comprises a conical feeding head (2011) arranged at the front end of the cylinder shaft (203) and a plurality of spiral feeding blades (2012) arranged outside the conical feeding head (2011) along the circumferential direction; arrange grass mechanism (205) including arranging straw cylinder (2052), a plurality of connecting rod (2051) and a plurality of row grass board (2053), arrange the inner wall of straw cylinder (2052) and be connected to drum shaft (203) through a plurality of connecting rod (2051), a plurality of row grass board (2053) set up on the outer wall of arranging straw cylinder (2052) along circumference interval.

2. The longitudinal axial flow millet flexible threshing cylinder according to claim 1, characterized in that the flexible threshing cylinder (2) is composed of a plurality of spoke disks (206) arranged on a cylinder shaft (203) at intervals, wherein the spoke disk (206) at the forefront is fixedly connected with a conical feeding head (2011), the spoke disk (206) at the rearmost is fixedly connected with a grass discharging cylinder (2052), a flange (204) for connecting the cylinder shaft (203) with the spoke disks (206) is arranged on the inner side of each spoke disk (206), the cylinder shaft (203) is axially arranged on the inner side of the flange (204), a plurality of triangular plates (207) which are arranged corresponding to the plurality of flexible wear-resistant rubber rollers (202) at intervals along the circumferential direction are arranged on the outer edge of the spoke disks (206), and the flexible wear-resistant rubber rollers (202) penetrate through and are arranged on the triangular plates (207).

3. The longitudinal axial flow millet tear-off threshing cylinder according to claim 2, characterized in that the flexible wear-resistant rubber roller (202) comprises a rigid hollow shaft (2022) mounted on a set square (207) and a hollow annular wear-resistant rubber sleeve (2021) disposed on the surface of the rigid hollow shaft (2022).

Technical Field

The invention belongs to the technical field of agricultural mechanical equipment, and particularly relates to a longitudinal axial flow millet soft-tearing threshing roller.

Background

The traditional harvesting mode of the millet mainly comprises the steps of manually harvesting the millet and grinding the millet by using stones, so that the labor intensity of people is high, the production efficiency is low, the millet cannot be discharged, and the traditional harvesting mode cannot meet the social requirements at the present that the agricultural mechanized production level is continuously improved, so that the production quantity of the millet in China is far from the shortage, and meanwhile, the development of the millet and related industries in China is greatly limited.

The prior visible millet threshing device mainly adopts a full-feeding form and is improved on the basis of the previously developed wheat and rice threshing device, the effect of the modified threshing device is not good, a grain-bar type threshing roller is generally matched with a fixed grid type concave plate sieve, the structure of the conventional grain-bar type threshing roller is generally simpler, the grain size of the millet is easily separated and damaged, and the production requirement is difficult to meet.

Disclosure of Invention

The invention aims to provide a longitudinal axial flow grain-tearing threshing roller to improve the threshing quality of grains.

In order to achieve the purpose, the invention adopts the technical scheme that: a longitudinal axial flow grain soft-tearing threshing cylinder comprises a flexible threshing cylinder capable of rotating around a cylinder shaft, wherein a plurality of flexible wear-resistant rubber rollers are arranged on the outer side of the flexible threshing cylinder;

the front end and the rear end of the flexible threshing cylinder are respectively provided with a feeding mechanism and a grass discharging mechanism, wherein the feeding mechanism comprises a conical feeding head arranged at the front end of a cylinder shaft and a plurality of spiral feeding blades arranged on the outer side of the conical feeding head along the circumferential direction, and the conical feeding head is positioned on the inner side of the conical cylindrical structure;

arrange grass mechanism including arranging a grass section of thick bamboo, a plurality of connecting rod and a plurality of row's grass board, arrange the inner wall of a grass section of thick bamboo and be connected to the drum shaft through a plurality of connecting rod, a plurality of row's grass board sets up on arranging the outer wall of a grass section of thick bamboo along circumference interval.

Furthermore, flexible threshing cylinder comprises a plurality of radial disks arranged on the drum shaft at intervals, wherein the radial disk positioned at the foremost end is fixedly connected with the conical feeding head, the radial disk positioned at the rearmost end is fixedly connected with the grass discharging barrel, the inner side of each radial disk is provided with a flange plate used for connecting the drum shaft with the radial disk, the drum shaft is axially arranged on the inner side of the flange plate, the outer edge of the radial disk is circumferentially provided with a plurality of triangular plates which are arranged in a one-to-one correspondence manner with the plurality of flexible wear-resistant rubber rollers, and the flexible wear-resistant rubber rollers penetrate through and are arranged on the triangular plates.

Further, the flexible wear-resistant rubber roller comprises a rigid hollow shaft arranged on the triangular plate and a hollow annular wear-resistant rubber sleeve arranged on the surface of the rigid hollow shaft.

Compared with the prior art, the invention has the beneficial effects that: the threshing element in the invention is a flexible wear-resistant rubber roller which can greatly reduce the impact on the millet in the threshing process and reduce the breakage rate of the millet; and the wear-resistant rubber roller can increase the friction force of the millet during threshing, so that the rubbing action of the millet during threshing is enhanced, and the threshing of the millet is more facilitated. The flexible wear-resistant rubber roller comprises a hollow annular wear-resistant rubber sleeve and a rigid hollow shaft; the wave-shaped bulges are arranged on the periphery of the hollow annular wear-resistant rubber sleeve, and the hollow annular wear-resistant rubber sleeve has good kneading, tearing, rolling and threshing performances for millet. Meanwhile, the threshing roller has the profiling characteristic of the traditional stone roller grinding millet threshing.

Drawings

FIG. 1 is a schematic view of the overall structure of a longitudinal axial flow rice peeling and threshing drum of the present invention;

FIG. 2 is a schematic view showing the connection among the grass discharging mechanism, the spoke plate, the triangle plate and the flange plate;

FIG. 3 is a schematic view showing the construction of a flexible abrasion-resistant rubber roller according to the present invention;

the labels in the figure are: 2. A flexible threshing cylinder; 201. a feeding mechanism; 2011. a conical feed head; 2012. a helical feeding blade; 202. a flexible wear-resistant rubber roller; 2021. a hollow annular wear-resistant rubber sleeve; 2022. a rigid hollow shaft; 203. a drum shaft; 204. a flange plate; 205. a grass discharging mechanism; 2051. a connecting rod; 2052. a straw discharging cylinder; 2053. grass discharging plates; 206. a spoke pan; 207. a triangular plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.

A longitudinal axial flow grain soft-tearing threshing cylinder is shown in figure 1 and comprises a flexible threshing cylinder 2 capable of rotating around a cylinder shaft 203, wherein a plurality of flexible wear-resistant rubber rollers 202 are arranged on the outer side of the flexible threshing cylinder 2;

further optimizing the scheme, the front end and the rear end of the flexible threshing cylinder 2 are respectively provided with a feeding mechanism 201 and a grass discharging mechanism 205, wherein,

the feeding mechanism 201 comprises an upper casing cover, a lower casing cover, a conical feeding head 2011 installed at the front end of the roller shaft 203 and a plurality of spiral feeding blades 2012 arranged on the outer side of the conical feeding head 2011 along the circumferential direction, the upper casing cover and the lower casing cover jointly enclose a conical tubular structure, the conical feeding head 2011 is located on the inner side of the conical tubular structure, the conical tubular structure and the conical feeding head 2011 are mutually independent, when the conical feeding head 2011 rotates along with the roller shaft 203, the conical tubular structure is static, the large-caliber end of the conical feeding head 2011 is connected to the flexible threshing roller 2, in the embodiment, the spiral feeding blades 2012 adopt double spiral blades, the spiral angle is 30 degrees, and the circumferential mode is arranged on the periphery of the conical feeding head.

As shown in fig. 2, the grass discharging mechanism 205 includes a grass discharging barrel 2052, a plurality of connecting rods 2051, and a plurality of grass discharging plates 2053, an inner wall of the grass discharging barrel 2052 is connected to the drum shaft 203 through the plurality of connecting rods 2051, the plurality of grass discharging plates 2053 are circumferentially disposed on an outer wall of the grass discharging barrel 2052 at intervals, in this embodiment, 4 connecting rods 2051 are circumferentially and uniformly distributed inside the grass discharging barrel 2052 for supporting the grass discharging barrel 2052, so as to improve the strength of the grass discharging barrel 2052, 3 grass discharging plates are circumferentially and uniformly distributed outside the grass discharging barrel 2052 and are welded with the grass discharging barrel 2052, and the grass discharging barrel 2052 is tightly attached to and welded with the spoke plate. The entire grass discharge mechanism 205 is used to discharge stalks and trash of the millet.

Further optimizing the scheme, the flexible threshing cylinder 2 is composed of a plurality of spoke disks 206 arranged on the cylinder shaft 203 at intervals, wherein the spoke disk 206 at the foremost end is fixedly connected with the conical feeding head 2011, the spoke disk 206 at the rearmost end is fixedly connected with the grass discharge cylinder 2052, the inner side of each spoke disk 206 is provided with a flange 204 used for connecting the cylinder shaft 203 and the spoke disk 206, the cylinder shaft 203 is axially arranged on the inner side of the flange 204, the outer edge of the spoke disk 206 is circumferentially provided with a plurality of triangular plates 207 which are arranged in one-to-one correspondence with the plurality of flexible wear-resistant rubber rollers 202 at intervals, and the flexible wear-resistant rubber rollers 202 penetrate through and are arranged on the triangular plates 207.

Further optimizing the scheme, as shown in fig. 3, the flexible wear-resistant rubber roller 202 comprises a rigid hollow shaft 2022 mounted on the triangle board 207 and a hollow annular wear-resistant rubber sleeve 2021 arranged on the surface of the rigid hollow shaft 2022, and the periphery of the hollow annular wear-resistant rubber sleeve is provided with a wave-shaped bulge which has good kneading, tearing, rolling and threshing performance for millet. The outer diameter of the rigid hollow shaft is equal to the inner diameter of the annular wear-resistant rubber sleeve and is 33mm, and the rigid hollow shaft penetrates through the annular wear-resistant rubber sleeve to form tight fit to jointly form the flexible wear-resistant rubber roller.

The threshing element in the invention is a flexible wear-resistant rubber roller which can greatly reduce the impact on the millet in the threshing process and reduce the breakage rate of the millet; and the wear-resistant rubber roller can increase the friction force of the millet during threshing, so that the rubbing action of the millet during threshing is enhanced, and the threshing of the millet is more facilitated. The flexible wear-resistant rubber roller comprises a hollow annular wear-resistant rubber sleeve and a rigid hollow shaft; the wave-shaped bulges are arranged on the periphery of the hollow annular wear-resistant rubber sleeve, and the hollow annular wear-resistant rubber sleeve has good kneading, tearing, rolling and threshing performances for millet. Meanwhile, the threshing roller has the profiling characteristic of the traditional stone roller grinding millet threshing.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.