JPH02200114A - Whole stalk-charging type thresher - Google Patents

Abstract

PURPOSE:To contrive to accelerate the single granulation of grain granules by beating grain straws sent into a threshing chamber with an upwardly rotated threshing cylinder and simultaneously subjecting the grain stalks to rasping and rubbing actions with rasping teeth disposed obliquely with respect to the rotations direction of the threshing cylinder. CONSTITUTION:While grain stalks sent with a supplying conveyer 13 are crushed between a roller 13b and a nipping roller 15 and simultaneously rubbed with a difference between the rotation speeds of the roller 13b and the nipping roller 15, the grain stalks are sent into a threshing chamber 14. The grain stalks are subjected to the upward beating action caused by the rotation of a threshing cylinder 16 rotation-driven about a lateral shift P3 and to the rasping and rubbing actions caused by rasping teeth 16a disposed obliquely with respect to the rotation direction of the threshing cylinder 16 to give single grains, which are dropped from the first outlet 14a of the thresher 14. Grain granules with branches, etc., sufficiently not subjected to the single granulation are sent upwardly in such a state as being entangled on the threshing cylinder 16 and subsequently subjected to a rubbing treatment between the threshing cylinder 16 and the first-third ceiling plates 17-19 to give single grains, which are dropped from the second outlets 14b of the threshing chamber 14.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a whole-culm input type threshing device, particularly to the structure of the threshing portion.

[Conventional technology]

An example of a whole culm input type threshing device is the Utility Model Act 63-275.
As disclosed in Publication No. 54, the harvested grain culms are sandwiched between a pair of upper and lower rollers and fed into a handling chamber, and the grain culms that have been fed are transported from the bottom to the top by a handling barrel. Some are configured to strike the grains in a directed manner to make the grains into single grains.

[Problem to be solved by the invention]

In the disclosed whole-culm input type threshing device, the grain culm is only hit by the handling barrel when it is fed into the handling chamber, and has a structure in which the grain culm is not subjected to any threshing action such as hitting after that. It has become. Therefore, there was room for improvement in terms of improving threshing performance.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to promote the formation of single grains by impact with a handling cylinder.

[Means to solve the problem]

The feature of the present invention is that the whole culm input type threshing device as described above is configured as follows.

In other words, there is a supply conveyor that sends the harvested grain culms to the handling room,
At the end of this supply conveyor, there is provided a holding and feeding device that feeds the grain culm into the handling chamber while holding it therein, and a handling cylinder that rotates and strikes the grain culm sent into the handling chamber from bottom to top. The rasp teeth that are inclined with respect to the direction of rotation of the barrel are provided on the outer surface of the handling barrel, and their functions and effects are as follows.

[For production]

With the structure described above, when the grain culm is fed into the handling chamber, it is not only subjected to a simple blow from the handling barrel, but also subjected to diagonal squeezing action and kneading action by the rasp teeth, resulting in the formation of single grains. This will further promote the development of

〔Effect of the invention〕

As described above, when the grain culm is fed into the handling chamber, it is configured so that it receives not only a simple blow from the handling barrel, but also a squeezing action and a kneading action, thereby promoting the single granulation of grains. This made it possible to improve the efficiency of grain recovery.

〔Example〕

EMBODIMENT OF THE INVENTION Hereinafter, a combine harvester for soybean and buckwheat equipped with a whole culm input type threshing device, which is an embodiment of the present invention, will be described based on the drawings.

As shown in Figure 3, the front part of the machine includes a rotary raking reel (2), a reaping device with two clippers (3), an auger (4) that collects the harvested grain culms, and a feed that sends the grain culms upward. It is equipped with a reaping section (1) consisting of a conveyor (5), etc., and the harvested grain culm passes under the feed conveyor (5) and passes through the grain culm discharge port (11) through a rotationally driven beater ( 12
) onto a belt-type feed conveyor (13).

Then, this grain culm is transferred from the supply container (13) to the handling room (1
4) The grains are sent into the interior and subjected to the threshing process, and its structure will be explained in detail. As shown in FIGS. 1 and 3, the supply conveyor (13) has a pair of rollers (13a),
It has a structure in which a rubber belt (13c) is wound around the grain culm discharge port (11).
The entire supply conveyor (13) is supported to move up and down around the fulcrum (P2) in a), and is urged upward by a spring (42).

Furthermore, as shown in FIG. 1, a pinching roller (15) is also arranged above the roller (13b) on the handling chamber (14) side. This has a structure similar to a metal cylinder covered with rubber, and is rotated counterclockwise in the drawing at a speed lower than the feed speed of the supply conveyor (13). Then, the position of the supply conveyor (13) is lower than the position of the pinch roller (15) in the conveyance direction (A) of the supply conveyor (13).
The position of the roller (13b) is moved back to the left in the drawing so that the first outlet (14a) of the handling chamber (14) becomes wider.

Next, to explain the structure inside the handling chamber (14) in detail, as shown in Figures 1 and 2, the handling cylinder (16) is rotated clockwise in the paper around the horizontal axis (P3) in the handling chamber (14). is driven in rotation. Rasp teeth (16a) inclined with respect to the rotational direction are attached to this handling cylinder (16) while alternating the direction of the filler.

First, second, and third ceiling plates (17), (18), and (19) forming the upper surface of the handling chamber (14) are provided along the upper surface of the handling barrel (16). This first
．． 2.3 Ceiling board (17), (1B), (19)
is each horizontal axis center (p,).

(Ps), (P6) are attached so that they can swing upwards and retreat, and springs (20),
(21).

(22) is biased downward. Furthermore, the second
And in the third ceiling panels (18) and (19), round bars (18a),
(19a) are attached at intervals.

With the above structure, the supply con-hair (
13), the grain culms are sent with the ears facing to the right in the paper, and are passed through a roller (13b) and a pressure roller (15).
) while being crushed between the roller (13b)
Due to the speed difference between the paper and the pressure roller (15), the paper is not crushed and is fed into the handling chamber (14). And the handling torso (
Due to the impact action from bottom to top due to the rotation of 16) and the squeezing/rubbing action by the rasp teeth (16a), most of the grains become single grains and fall from the first outlet (14a) of the handling chamber (14). I'll go.

In addition, grains with grains that have not been sufficiently made into single grains should be treated with a handling barrel (1
6) and is sent upward so as to wrap around the handling cylinder (16).
and 1.2.3 ceiling board (17), (1B), (
19) into single grains, which fall from the handling cylinder (16) and the second outlet (14b) of the handling chamber (14).

The lower part of the handling room (14) is equipped with a sorting section for the falling materials to be processed.The configuration of this section is as shown in Figure 3. )
, a winch (27), a wind direction plate (28) for adjusting the wind direction, etc. are arranged, and the No. 1 item is collected by the No. 1 screw (29). And the second thing is the 2 fragrance processing rotor (31
) and are subjected to a single grain treatment, and the grains etc. leaking from this two-flavor processing rotor (31) are collected as a second product to a No. 2 screw (33).

Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.

[Brief explanation of the drawing]

The drawings show an embodiment of the whole culm input type threshing device according to the present invention, FIG. 1 is a longitudinal side view of the end of the supply conveyor and the interior of the handling chamber, FIG. 2 is a cross-sectional plan view of the end of the supply conveyor and the interior of the handling chamber, FIG. 3 is an overall side view of the combine harvester. (13)... Supply conveyor, (14)...
・・Handling room, (16)・・・Handling cylinder, (16a)・
...Rasp teeth.

Claims (1)

[Claims] A supply conveyor (1) that sends the harvested grain culms to the handling room (14) side.
3), and a holding and feeding device that feeds the grain culm into the handling room (14) while pinching it at the end of the supply conveyor (13), and the grain culm being fed into the handling room (14) is separated from the bottom to the top. It is equipped with a handling cylinder (16) that strikes while rotating toward the target, and has rasp teeth (16a) inclined with respect to the rotational direction of the handling cylinder (16) on the outer surface of the handling cylinder (16). Type threshing equipment.