JP2531189Y2 - Threshing machine for general purpose combine - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field This invention is to throw the stalks, soybeans, buckwheat, etc., which have been cut by the cutting device provided in the front of the machine, into the handling room and thresh. The present invention relates to a general-purpose combine threshing machine for processing.

(B) Conventional technology Conventionally, a handling cylinder having a screw protruding on the outer periphery is mounted on a handling chamber, and cuts are thrown in from a front supply port to thresh processing.
A combine having a receiving net mounted on the outer periphery of the handling cylinder, a discharge port provided between the receiving net and the end of the handling cylinder protruding rearward from the receiving net, and a swing sorting body installed below the receiving net. Threshing machines are already known.

(C) Problems to be solved by the present invention In the known threshing machine for combine, the straw chips in the threshing process that has migrated backward from the rear end of the receiving net are guided by a screw and centrifugally applied to the outer periphery. Along the way to the discharge port, there was a problem that some grains were thrown backward by the plate surface of the screw and scattered third from the discharge port to be discharged outside the machine.

(D) Means for solving the problem In the present invention, the handling cylinder 10 having a screw 19 protruding on the outer periphery is used.
A shaft is mounted on the handling room 8, a receiving net 11 is provided outside the handling cylinder 10, a supply port 3 is provided at a front portion of the handling room 8, and the end of the handling cylinder 10 is located rearward of the receiving net 11. A discharge port 20 is provided at a lower portion of the projecting portion opposite to the projecting portion of the handling cylinder 10, a swing sorting body 26 is provided below the receiving net 11, and a dust outlet is provided behind the swing sorting body 26.
In the combine having the opening 20a, a partition plate 22 spaced from the end of the receiving net 11 is attached to a portion facing the discharge port 20 of the handling cylinder 10, and a front portion of the partition plate 22 of the handling cylinder 10. At a position close to and facing the inner peripheral surface of the receiving net 11, a handle cylinder shaft 9
A plurality of guide plates 21 in the direction perpendicular to the direction of the handling cylinder 10 are erected in the circumferential direction of the handling cylinder 10, and the above-mentioned problem is solved by extending the end of the swing sorting body 26 to almost directly below the partition plate 22. .

(E) Action The cut material cut by the cutting device provided at the front of the body is pumped by the lifting device 1 and supplied from the supply port 3 to the handling room 8.
The cutting cylinder 10 is thrown into the inside, and the threshing process is performed while transferring the thrown cut matter by the screw 19 on the outer periphery thereof. The thresh-processed material transferred to the terminal side of the handling room 8 first collides with the guide plate 21 located near the front of the partition plate 22 to perform the first dispersion processing, and the separated straw waste is rearward. While being transferred, it receives centrifugal force due to the rotation of the handling cylinder 10, so that it moves along the inner peripheral surface of the handling chamber 8 and partly falls to the front side of the partition plate 22, but other straw wastes It is discharged to the discharge port 20 beyond the outer circumference, and discharged to the outside from the dust discharge port 20a. On the other hand, the grain dispersed by the guide plate 21 moves backward as it is, collides with the partition plate 22, is changed in direction, and falls into the lower swing sorter 26 to be collected.

(F) Embodiment One embodiment of the present invention will be described with reference to a general-purpose combiner shown in the drawings. 1 is for cutting a grain stalk (or other crop) scraped by a reel with a cutting blade, and a center of the machine width by a horizontal spiral. The threshing machine 2 is mounted on a machine base 7 having a traveling device 6, and the upper handling room 8 and the handling cylinder are transported to the feeding port 3 of the threshing machine 2 The handling drum 10 axised by the shaft 9 is inclined so that the front part is lower,
Numeral 11 denotes a cylindrical tire which is rotatably supported by rolls 13 at three places at the front and rear ends of the outer periphery, and a sprocket 15 on the outer periphery of the intermediate portion is chain 17a by a sprocket 17 of a drive shaft 16. The receiving net 11 is eccentric upward with respect to the handling cylinder 10. 17b is motor, 17c is warm, 17
d is a worm gear.

Further, the handling cylinder 10 has a screw 19 on the outer periphery and projects rearward from the receiving net 11, and the lower part of the protruding portion is opened as a discharge port 20, and the discharge port 20 of the handling cylinder 10 At a position facing the receiving net 11 at an appropriate distance from the end of the receiving net 11, a partition plate 22 is fixed around the entire circumference of the handling cylinder 10 and in a direction perpendicular to the handling cylinder axis 9, and the partition plate 22 and the screw 19 are fixed. Behind the rear end, a plurality of jumping blades 23 are protruded radially.

In addition, at a position nearer to the end of the receiving net 11 of the handling cylinder 10, that is, at a position facing the inner peripheral surface of the receiving net 11 and near the front of the partition plate 22, a plurality of directions in a direction orthogonal to the handling cylinder shaft 9 are provided. Guide plate 21
The guide plates 21 each have a fan shape and are disposed so as to be displaced in the direction of the handle cylinder shaft 9 (front-rear direction) and the circumferential direction, respectively, and from the axial center of the handle cylinder 10. When viewed, the ends of adjacent ones partially overlap. Further, the guide plate 21 may be provided at an intermediate portion of the handling cylinder 10 or other appropriate portions.

Reference numeral 25 denotes a guide rod which is extended across the outer periphery of the handling cylinder 10 and the partition plate 22 with a receding angle. Instead of this guide rod 25, a triangular guide plate 25a whose outer peripheral side is gradually narrowed
The outer periphery of the partition 0 and the front or rear surface of the partition plate 22 may be superimposed and radially arranged and fixed.

Further, a swing sorting body 26 is provided below the receiving net 11, and a rear end of the swing sorting body 26 faces below the partition plate 22. Further, a dust outlet 20a is opened behind the swing sorting body 26.

The harvested material cut by the reaping device and thrown into the handling chamber by the lifting device 1 together with the stem is threshed while being transported by the screw 19 rotating together with the handling drum 10, during which the receiving net 11 has a narrow lower gap. Handling cylinder 10 with wide upper gap
Approximately 70% of the grains in the threshed fall on the rocking sorter 26 in the first half of the receiving net 11, and in the latter half, a little more than 30% leak, Thresh transferred to the end of
··· The primary dispersion treatment is performed upon collision with the straw.
After moving to the 11 side and passing the end of the receiving net 11, the straw waste is further guided to the outer periphery by the guide rod 25, passes over the partition plate 22, and is discharged from the discharge port 20 by the jumping blades 23 When 10% of the grains are extruded backward by the screw 19, they collide with the partition plate 22 and pass through the discharge port 20 between the partition plate 22 and the end of the receiving net 11, on the rocking sorter 26. And falls through the sieve sorting process. If it falls, it falls into the 2nd gutter and is collected.

The straw waste discharged from the discharge port 20 is discharged out of the machine through the dust discharge port 20a.

FIG. 3 shows a state in which a partition plate 28 is attached to the end of the receiving net 11,
The gap between the partition plate 28 and the outer peripheral surface of the handling drum 10 has a narrow lower portion and a wider upper portion. To increase the width of the partition plate 28, the height of the screw 19 is reduced.

FIGS. 5 to 6 show another embodiment of the screw 19, in which a plurality of notches are provided in the middle, and in this notch,
Auxiliary spiral plate longer than that and having processing protrusions 30 on the outer periphery
The auxiliary spiral plate 31 is connected to the side of the auxiliary spiral plate 31 by welding a reinforcing plate 33 overlapping the peripheral surface of the handling cylinder 10 to the side surface of the auxiliary spiral plate 31.
The reinforcing plate 33 is welded to the notch end of the screw 19 over the peripheral surface of the handling cylinder 10 to reinforce it. ,
This auxiliary spiral plate 31 is a type of crop to be threshed, for example, rice,
Wheat, soybeans, buckwheat, or the like, or even rice, which has processing protrusions 30 of different heights or shapes, is selected and mounted due to difficulty in shattering. When the outer peripheral surface of the auxiliary spiral plate 31 is ceramic-coated, the durability is improved.

Although the description of the sorting unit is omitted in the above-described embodiment,
5, 34, 35, 36, 37 are blower fans, and the swinging sorter 26 is a coarse sorter provided above the front part.
38, a transfer plate 39, a first sorting net 40, a first gutter 42, a second sieve sorting section 43 composed of a straw rack, and a second gutter 44 facing the lower part thereof, and At the end, a lifting cylinder 45 is erected, and at the transfer end of the second receiving trough 44, there is provided a second reduction spiral cylinder 46 whose discharge port faces the rough sorting section 38.

(G) Effect of the Invention Since the present invention is configured as described above, the threshing processed product moved to the end side of the handling chamber 8 by the screw 19 rotating together with the handling cylinder 10 is first placed near the front of the partition plate 22. A first dispersion treatment is performed by colliding with a plurality of guide plates 21 located there, and the straw chips separated by this are moved rearward along the inner peripheral surface of the handling chamber 8 by centrifugal force due to the rotation of the handling cylinder 10. Shifting, it is possible to discharge the outside of the machine from the dust outlet 20a by passing over the outer periphery of the rear partition plate 22 and colliding the grains separated by the guide plate 21 with the partition plate 22 to change the direction, It can fall into the lower swing sorter 26 and be collected. Therefore, it is possible to quickly discharge the straw waste to the outside of the machine, and to prevent as much as possible that the grain is mixed with the straw waste and discharged to the outside of the machine to become the third scatter.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a longitudinal sectional view of a threshing section of a general-purpose combiner with a front portion omitted, and FIG. 2 (a) is a longitudinal section showing another example of a guide section. FIG. 3 (a) is a cross-sectional view of the handling room, and FIG. 3 (b) is a cross-sectional view of an example in which a partition plate is provided at the rear end of the receiving net. Fig. 4, Fig. 4 is a perspective view of the receiving net, Fig. 5 is a side view showing another embodiment of the screw, Fig. 6 (a) is a side view of the handling cylinder, and Fig. 6 (b) is a transverse sectional view of the same. (C) is a front view of a state in which an auxiliary spiral plate is removed, (d) is a front view of an attached state, (e) is a perspective view of the auxiliary spiral plate, and (f) is an attached view. It is a side view of a state. 2 ... threshing machine, 3 ... supply port, 8 ... handling room, 10 ... handling cylinder, 11 ... receiving net, 19 ... screw, 20 ... discharge port, 21
…… Induction plate, 22 …… Partition plate, 23 …… Protruding blade, 25 …… Guide rod, 26 …… Swing sorting body

Claims (1)

(57) [Scope of request for utility model registration] 1. A handling drum 10 having a screw 19 protruding on the outer periphery,
A shaft is mounted on the handling room 8, a receiving net 11 is provided outside the handling cylinder 10, a supply port 3 is provided at a front portion of the handling room 8, and the end of the handling cylinder 10 is located rearward of the receiving net 11. A discharge port 20 is provided at a lower portion of the projecting portion opposite to the projecting portion of the handling cylinder 10, a swing sorting body 26 is provided below the receiving net 11, and a dust outlet is provided behind the swing sorting body 26.
In the combine having the opening 20a, a partition plate 22 spaced from the end of the receiving net 11 is attached to a portion facing the discharge port 20 of the handling cylinder 10, and a front portion of the partition plate 22 of the handling cylinder 10. At a position close to and facing the inner peripheral surface of the receiving net 11, a handle cylinder shaft 9
A plurality of guide plates 21 in the direction perpendicular to the direction of the handling cylinder 10 are erected in the circumferential direction of the handling cylinder 10, and the end of the swing sorting body 26 is extended almost directly below the partition plate 22, for a general purpose combine. Threshing machine.