JPH0626126Y2 - Threshing machine net - Google Patents

Description

TECHNICAL FIELD The present invention relates to an improvement of a receiving net in a thresher.

Conventional technology The receiving net in the threshing machine is arranged in the lower part of the handling cylinder,
While the grains after shredding are sifted and sorted from the mesh of the receiving net, and at the same time, the grain is rubbed against the inner surface of the receiving net to assist the shedding operation, but conventional receiving nets generally use crimp nets or punching metal It is composed of a steel plate).

Problems to be solved by the invention In the threshing machine receiving net, if the leakage capacity is improved, the handling room stagnation time will be shortened by that much, so the processing (single grain / subdivision) performance is inferior,
On the other hand, if the leakage capability is reduced, conversely the stagnation time becomes longer, so that clogging tends to occur during high efficiency and threshing of the wet material. As described above, the leakage capability and the treatment performance are in a trade-off relationship, and the conventional nets such as crimp nets have a good grain removal treatment performance, but have a problem that the leakage capability is slightly inferior. That is,
If a large amount of scraps etc. are generated in the handling room during high efficiency etc., it will not be separated and it will be easily clogged.Especially when threshing the wet material, it will easily adhere with water and the net will become clogged and the grain will not leak. If the receiving net becomes clogged, a large amount of grains to be carried out (scattering No. 3) will occur, resulting in a large amount of grain loss and a marked deterioration of the sorting performance.

In order to solve these problems, in order to solve such problems, the starting end side of the receiving net is composed of a fixed leaking body consisting of a crimp net, and a large number of pipes are rotatably supported at the terminal end side. When the rotating leaking body was installed, the outer peripheral surface of the pipe was smooth, so the straw scraps that were entrained by the handling teeth of the handling cylinder slipped and the pipe hardly rotated, and the pipe was wet and fine. Straws were apt to be clogged between the pipe and the shaft supporting it, and in such a state, the pipe was fixed and the desired leakage performance could not be obtained.

MEANS FOR SOLVING THE PROBLEMS The present invention is a thresher provided with a leaking body through which grain leaks along the outside of a handling cylinder, and the starting end of the handling chamber is fixed by a crimp net or a punched iron plate. The above-mentioned problem is caused by connecting the rotary leaking body, which is composed of the leaking body of FIG. Solved.

The grain culm supplied to the handling room is threshed by the handling barrel, and the unhandled items are rotated around in the handling room.However, the receiving net of the handling room is fixed with a crimp net or a punched iron plate on the starting end side. Since it is composed of a leaking body, the residence time of the handled material in the handling chamber becomes longer at the starting end side, and the treated material (single grain / fragmentation) is favorably processed. Then, the grains and the like that have leaked from the fixed leaking body fall to a sorting section such as a swing sorting body below. In addition, the grains and debris that did not leak from the fixed leaking body move to the rotating leaking body while being carried around by the rotation of the handling cylinder, but the straw debris that is carried around is caught on the protrusion of the rotating body. By forcibly rotating the rotating body, the leakage performance of straw waste containing grains is improved.

Example The drawings show a lower-side threshing machine, in which a sorting chamber A is provided below a receiving net 3 of a handling chamber 2 in which a handling barrel 1 is pivotally supported. 1a is a handle tooth, and 3a is a dust inlet.

Reference numeral 4 is an oscillating sorting body which is erected so as to be swingable in the front-back direction of the object to be sorted in the sorting chamber A (the left-right direction in FIG. 1), 5 is Kara, 6 is the first spiral, and 7 is 2 A spiral, 8 is a suction fan, 9 is a feed chain, 9a is a pinch rail, and 10 is a straw chain.

The receiving net 3 has a large number of meshes 11a on the starting end side of the handling chamber 2.
It is composed of a fixed leaking body 11 made of a perforated iron plate with a rotary leaking body 12 connected behind the fixed leaking body 11 in the grain culm transfer direction.

This rotary leaking body 12 is formed by arranging a large number of roller-shaped rotary bodies 12 'rotatably supported in parallel with the handle cylinder 1 along a rotation locus of the handle teeth 1a at predetermined intervals. Mountain-shaped projections 12'a are integrally formed on both ends of the rotating body 12 'in the longitudinal direction. The facing distance between the rotating bodies 12 'is set appropriately.
20-30 mm is preferable. 13 is a support shaft and 14 is a bearing. Reference numeral 15 denotes a fixed leaking body made of a crimp net, which is connected to the rear of the rotating leaking body 12.

The fixed leak bodies 11 and 15 may be either punched iron plates or crimp nets. Further, the rotary leaking body 12 may be arranged from the end portion of the fixed leaking body 11 to the end portion of the handling chamber 2 (however, except for the dust sending port portion).

16 is a processing chamber arranged from the end of the handling chamber to the rear of the machine body.In the processing chamber 16, a spiral body 17a is provided in a small-diameter portion corresponding to the dust inlet 3a on the starting end side, and a large number of parts are provided in a large-diameter portion subsequent thereto. A processing cylinder 17 having solid teeth 17b provided around each is pivotally supported, and a discharge port 16a is provided at the end of the processing chamber 16. 16b
Is the processing room receiving network.

By the way, a wide beater 17c having substantially the same height as the solid tooth 17b is integrally formed on the outer surface of the solid tooth 17b at several places in the above group of solid teeth with a slight receding angle with respect to the rotation direction of the processing cylinder. It is provided for the purpose. Some solid teeth
When 17b is a solid tooth with beater 17c, when a long straw acts on the solid tooth with a beater, the long straw is a beater.
Since the bending angle is widened and it travels inside the processing chamber 16 while straddling 17c, long straws are not caught and repeatedly carried around, and the flow of the object to be processed is smoothly performed.
Since it has a wind action and a scraping action in a part, the processing chamber receiving net 16b
The accumulation of dust on the top is prevented and the grain is pressed onto the receiving net 16b, so that the leakage of the grain is promoted. In addition, the transfer (brush) of the object to be processed is further improved by the cooperation of the transfer by the solid teeth 17b and the transfer by the beater 17c, and the processing efficiency is improved.

In the above configuration, the grain culms conveyed by the feed chain 9 are shredded by the handling cylinder 1 and rotated around in the handling chamber 2. By the way, the catching net 3 on the starting end side of the handling chamber 2 is composed of a perforated iron plate 11, and the scraps and grains shredded by the handling cylinder 1 are swung from the perforation 11a while being carried around the perforated iron plate 11. It leaks onto the dynamic sorting body 4 and undergoes specific gravity sorting and wind sorting action on the rocking sorting body 4. Grains, scraps, and the like that could not leak from the mesh 11a of the punched iron plate 11 reach the rotating leaking body 12 while rotating in the handling chamber 2 by the rotating force of the handling tooth 1a. Each roller-shaped rotating body 12 'that constitutes the lower body 12 is forcibly rotated by being given a rotational force by catching dust or the like carried around by the handle teeth on the projection 12'a, so that grain and small dust There is no stagnation or clogging on the inner peripheral surface of the rotary leaking body 12, and the like can easily be withdrawn from between the rotary bodies 12 'and drop into the swinging sorting body 4. Therefore, even a material such as a wetting material that easily adheres to the rotary body 12 'does not adhere to the rotary body 12' and quickly leaks out, so that scraps and grains in the handling chamber 2 are easily separated, and the brought-out grain (No. 3) is used. Grain loss due to scattering is greatly reduced.

Since long straws are hooked by the handle teeth 1a before leaking from between the rotating bodies 12 ', long straws or the like that are not easily leaked are transferred to the processing chamber 16 for processing.

If the whole net is a net (crimp net or perforated iron plate) like the conventional net for the handling room, the handling room lag time will be long as a whole and the occurrence of clogging cannot be avoided. If a rotary leaking body is used up to the end, many things that are badly processed (cutting of the spikes, etc.) will leak to the swinging sorting body 4 and the sorting performance will be deteriorated. However, the present invention handles most of the processing work. While the chamber start end side is composed of a fixed leaker consisting of a crimp net or a perforated iron plate, etc., while maintaining good processing capacity, a rotary leaker 12 is provided behind it and leaks quickly with the rotary leaker 12. By doing so, the overall stagnation time is prevented from being lengthened, and thus clogging can be effectively prevented without reducing the processing capacity.

Effect of the Invention As described above, the present invention is a threshing machine provided with a leaking body along which the grain leaks along the outside of the handling cylinder.The threshing machine is provided with a crimping net or a punched iron plate at the beginning of the handling chamber. Most of the shedding treatments are made by connecting a rotary leaking body composed of a leaking body, and a rotating body having a plurality of protrusions protruding from the outer periphery in parallel to the end side of the fixed leaking body. On the starting end side of the handling room that controls the above, while the leaking performance similar to the conventional one is favorably maintained by the fixed leaking body, in the rotating leaking body behind that, the straw waste carried around by the handling teeth hooks the protrusion of the rotating body and Since the rotating body is forcibly driven to rotate, grain and debris can be allowed to leak quickly, which prevents the overall retention time of grain removal from increasing, thus maintaining good processing performance. It became possible to eliminate the occurrence of clogging.

Even if the grain is wet, by forcibly rotating the rotating body with the straw scraps that are caught by the protrusions and run around, the supporting parts of the rotating body do not become clogged with scraps and become unrotatable. A good leak condition can be maintained even under the condition.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a thresher equipped with the present invention, FIG. 2 is a transverse plan view of the same, FIG. 3 is a front view of a rotary leaking body, FIG. FIG. 6 is a plan view of the processing chamber, FIG. 6 is a rear view of the same as above, and FIG. 7 is an enlarged plan view of the rotary leaker. In the figure, 1 is a handling cylinder, 2 is a handling chamber, 11 is a fixed leaking body, and 12 is a rotating leaking body.

Claims (1)

[Scope of utility model registration request] 1. A thresher provided with a leaking body through which grains fall along the outside of the handling cylinder, wherein the handling chamber starting end side is constituted by a fixed leaking body made of a crimp net or a punched iron plate, A threshing net of a threshing machine, characterized in that a rotary leaking body having a plurality of protrusions projecting on the outer periphery thereof is arranged in parallel on the terminal end side of the fixed leaking body.