JPH086433Y2 - Threshing / sorting device - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application The present invention relates to the structure of a combine for cutting and threshing soybeans, adzuki beans, buckwheat, etc., in particular.

(B) Conventional Technology Conventionally, a soybean or other grain shedding apparatus has been known. For example, it is as disclosed in JP-A-62-239916 and JP-A-58-88848.

In the technique disclosed in Japanese Patent Laid-Open No. 62-239916, the swing sorting device is used for sorting.

Further, in the technique described in Japanese Utility Model Publication No. 58-88848, the first grain is collected by wind sorting, the second product is discharged into a separate collection box, and the second product is collected again. It was configured to put into a threshing device and thresh / sort.

(C) Problems to be solved by the invention However, with the configuration of the conventional shredding and sorting apparatus as described above, relatively heavy stems and shells are easily mixed with the fine grains only by sorting with wind force. It took time and labor to put the food into the thresher again, and the work efficiency deteriorated.

(D) Means for Solving the Problem The present invention has the following configuration in view of such a point.

The sorting unit, a grain flow-down plate 17 arranged in the front portion below the handling cylinder 14, a sorting belt 20 that receives sorted products from the grain flow-down plate 17 and ascends and conveys them backward, and the sorting belt 20. It is configured by a culm conveyor 29 that is provided in the rear part and is conveyed rearwardly, the rear end part of the grain flow-down plate 17 faces above the starting end part of the sorting belt 20, and the starting end part of the sorting belt 20 is, Facing the entrance of the first conveyor 21, the rear end of the sorting belt 20 faces the entrance of the second conveyor 26, and the starting end of the culm conveyor 29 is configured to face the entrance of the second conveyor 26. .

(E) Embodiment of the Invention The purpose and structure of the present invention are as described above, and the structure of the embodiment shown in the accompanying drawings will be described.

FIG. 1 is a side sectional view of the combine, and FIG. 2 is a rear perspective view of the combine.

The machine body frame 2 is fixedly mounted on the crawler type traveling device 1, the engine and the HST type transmission device 3 are mounted on the front end of the body frame 2, and the crawler type traveling device 1, the threshing device D and the sorting device B described later are installed. Driven. A driver's seat A is arranged beside the engine, and a Glen tank 23 is arranged at the rear of the driver's seat A.

Further, a sorting device B is provided on the rear part of the machine body frame 2, a threshing device D is provided thereon, and a mowing / conveying device C is projected at the front end of the threshing device D.

The cutting / conveying device C has a grass plate 5 projecting from the front end of a platform 4, a cutting blade 6 provided laterally at the rear part thereof, and a take-up reel 7 arranged above the cutting blade 6 to cut a grain culm during cutting work. It is configured so that it can be guided within 4.

A transverse feed auger 8 is laid horizontally in the platform 4, communicated with a feeder house 9 in the center rear part, a transport chain 10 is arranged in the feeder house 9, and the rear end of the feeder house 9 communicates with a sorting device B. are doing.

Therefore, the cut grain culms are collected at the center by the lateral feed auger 8, transported to the threshing device D from the transport chain 10 in the feeder house 9, and shredded in the threshing device D.

The reaping / transporting device C can be moved up and down by a hydraulic cylinder 11.

The threshing device D is composed of a handling cylinder 14 having handling teeth axially mounted in the advancing direction, but may be constituted by a screw type handling cylinder 14 'as shown in FIG. . 15 is a dust control plate.

A receiving net 16 is arranged around the lower part of the handling cylinder 14, and the receiving net 16 is used by being changed according to the size of grain such as soybean or buckwheat. However, the receiving net 16 can also be formed by a punched iron plate in which a large number of holes corresponding to the type of grain are opened in the iron plate.

A grain downflow plate 17 is disposed below the receiving net 16 so as to be vertically swingable with a front end as a pivot, and a rear end of the grain downflow plate 17 has a comb-like or damming member 18 formed in a mesh shape. Are arranged.

Below the damming body 18, a sorting belt 20 is obliquely inclined forward, so that the shedding drops from between the damming body 18 and the sorting belt 20, and the damming body 18 allows the wind to pass but does not allow large dust to pass. There is. The sorted matter sorted by the grain flow-down plate 17 is received on the sorting belt 20, and the sorting belt 20 carries out sorting while conveying the sorted matter upward and rearward.

The front end of the sorting belt 20 faces the inlet of the first conveyor 21, and the rear end of the sorting belt 20 faces the inlet of the second conveyor 26.

Further, a culm conveyor 29 is disposed behind the sorting belt 20, and the front end of the culm conveyor 29 is a second conveyor.
It faces the entrance of 26.

A sieving line 24 is arranged at the rear end of the receiving net 16 so as not to drop on the sorting belt 20 described later due to the entangled mass of culm and ration particles etc. I have to.

Then, a sorting fan 19 is provided below the grain flow-down plate 17 to send a sorting wind upward and backward along the sorting belt 20,
It is configured to fly dust and the like backwards. The entrance end of the first conveyor 21 faces the lower front end of the sorting belt 20, and the end of the first conveyor 21 side communicates with the lower part of the elevator 22.

The elevator 22 is configured such that a large number of buckets 22a are stuck on a belt and rotated, and the granules conveyed laterally are conveyed upward by the elevator 22 and stored in the grain tank 23.

A dust exhaust fan 25 is provided below the sorting belt 20,
The lower part of the rear end of the sorting belt 20 faces the entrance of the second conveyor 26, the second vertical conveyor 27 is connected to the second conveyor 26 side end, and the upper end of the second vertical conveyor 27 is connected to the threshing device D. The upper end of the second vertical conveyor 27 is communicated with the threshing device D.

As shown in FIG. 2, the second vertical conveyor 27 projects substantially half outward, and a large number of long holes are opened in the lower half case, so that dust and the like are discharged when the second object is conveyed, and clogging can be seen from the outside. Thus, the second product is returned to the threshing device D and is configured to be processed again.

A culm conveyor 29 is obliquely installed forward and obliquely above the second conveyor 26, and is covered with a dust cover 30 from the upper end to the rear end of the culm conveyor 29. The front end of the culm conveyor 29 faces the entrance of the second conveyor 26.

Next, the drive configuration of the combine will be described with reference to the skeleton diagram shown in FIG. Power from the engine is HST
Output shaft 3 of the HST transmission 3 transmitted to the transmission 3
a is projected into the mission case 33, and one of the fixed gears on the output shaft 3a is driven by the drive sprocket 34 via the auxiliary transmission, steering clutch, etc., and the crawler type traveling device 1 is driven. is there.

On the other hand, power is transmitted from the fixed gear on the output shaft 3a to the fixed gear 36 on the first shaft 35, and is transmitted from the pulley 37 on the first shaft 35 to the counter shaft 38 via a belt or the like. Power is transmitted from a pulley 39 on the counter shaft 38 to a lateral auger 42 provided in the Glen tank 23 via a belt or the like. The horizontal auger 42 is driven in conjunction with the vertical auger 43 and the discharge auger 44.

Further, the culm fan 45 is driven from the pulley 40 on the counter shaft 38 via a belt, a pulley, a gear case 41, etc., and further, the threshing / sorting input shaft 46 is driven from the pulley 40 via a belt, a pulley, etc. Power is transmitted, a belt from a pulley 47 fixed on the threshing / selection input shaft 46,
The handling cylinder 14 is driven via a pulley or the like, and a belt 48 from a pulley 48 fixedly mounted on the threshing / sorting input shaft 46, a sorting fan 19, a sorting belt 20, a first conveyor 2 via a pulley or the like.
1, the dust exhaust fan 25 is driven, and the grain flow plate 17 is vibrated, the elevator 22 is further driven from the first conveyor 21, and the culm conveyor 29 is further driven from the sorting belt 20. is there.

Also, a pulley 49 fixedly mounted on the threshing / sorting input shaft 46.
The second conveyor 26 is driven via a belt, a pulley, etc., and the second vertical conveyor 27 is further driven.

Then, power is transmitted from the fixed gear 51 meshing with the fixed gear 36 to the second shaft 50, and the second shaft 50 conveys the power through a pulley, a belt, a sprocket, a chain, etc.
The cutting blade 6, the lateral feed auger 8, and the reel 7 are driven via the continuously variable transmission 52.

(F) Action of the device With such a configuration, what has been shredded in the front half of the handling cylinder 14 of the threshing device D leaks through the receiving net 16 and falls onto the grain falling plate 17. The sorted material flowed down from the grain flow board 17 is supplied to the sorting belt 20. Since the belt 20 has a conveying surface that inclines upward toward the rear, relatively heavy grains slide down from the inclined surface and flow down to the first conveyor 21 in the front.

Further, relatively light items are conveyed backward by the sorting belt 20.

Those that have shredded at the rear of the handling cylinder 14 and the sorting belt 20 described above.
The material conveyed to the rear side by means of 2 flows down to the second conveyor 26 and is conveyed to the threshing device D via the second vertical conveyor 27 and the like.

Further, what has not leaked from the receiving net 16 falls from the end of the handling cylinder 14 to the culvert conveyor 29 and is discharged. At this time, a relatively heavy object flows down on the surface of the culm conveyor 29 and is guided to the second conveyor 26.

(G) Effect of the Invention With the above-mentioned configuration, the present invention has the following effects.

First, since the sorting belt 20 and the culm conveyor 29 each have a conveying surface which is inclined higher toward the rear, the inclination makes it possible to perform the sorting using the weight of the sorted material with a simple structure.

Secondly, the belt conveying surface of the sorting belt 20 has a shape along the sorting air passage, so that the sorting air can be smoothly performed without blocking the sorting air from the sorting fan 19.

Thirdly, the sorting belt 20 is arranged between the first conveyor 21 and the second conveyor 26, and the drainage conveyor 29 is the second conveyor 26.
Since it is arranged between the outlet and the outlet, it is possible to reduce the sorting loss that occurs between these devices, and it is possible to configure an efficient sorting channel in which the sorted products are dispersed.

[Brief description of drawings]

FIG. 1 is a side sectional view of the combine, FIG. 2 is a rear perspective view of the combine, FIG. 3 is a skeleton diagram of the drive unit, and FIG. 4 is a side sectional view of an embodiment in which the handling cylinder is a screw type. D: Threshing device 16: Receiving net 17: Grain flow plate 18 ... Damper 19 ... Sorting fan 20 ... Sorting belt 24 ... Sieve line 25 ... Dust removal fan 26 ... Second conveyor 27 …… Second vertical conveyor 29 …… Discharging conveyor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shoji Nakajima 200 Asakura, Yatsuka-cho, Yabu-cho, Hyogo Prefecture Inside the Yatsuka Iron Works Co., Ltd. (72) Inventor Akito Yamamoto 1-32, Chayamachi, Kita-ku, Osaka City, Osaka Prefecture Yanma Agricultural Machinery Co., Ltd. (72) Inventor, Tomio Kobayashi 1-32, Chayamachi, Kita-ku, Osaka City, Osaka Yanmar Agricultural Machinery Co., Ltd. (72) Inventor Hiromi Togawa 1-32, Chayamachi, Kita-ku, Osaka City, Osaka Prefecture Yanma Agricultural Machinery Co., Ltd. (56) Reference JP 62-239916 (JP, A)

Claims (1)

[Scope of utility model registration request] 1. A sorting unit, a grain flow-down plate 17 arranged at a front portion below a handling cylinder 14, and a sorting belt 20 for receiving a sorted product from the grain flow-down plate 17 and ascending and transporting it backward. An culvert conveyor that is provided at the rear of the sorting belt 20 and ascends and conveys backward
29, the rear end portion of the grain falling plate 17 faces above the starting end portion of the sorting belt 20, the starting end portion of the sorting belt 20 faces the entrance of the first conveyor 21, and the sorting belt 20. The rear end of the conveyor faces the entrance of the second conveyor 26,
A shedding and sorting device characterized in that the starting end of 29 is configured to face the entrance of the second conveyor 26.