JPH057047U - Threshing cylinder in general-purpose combine - Google Patents

Abstract

(57) [Summary] [Purpose] Threshing treatment time for grain culms is extended, efficient threshing treatment is performed, and scattering loss of repulsive grains can be prevented.
Furthermore, a threshing cylinder of a general-purpose combine that can perform threshing treatment appropriately according to the type of treated crop is provided. [Structure] Between the transfer spiral plates 13 adjacent to each other on the peripheral surface of the threshing cylinder 12 of the general-purpose combine, a diffusion plate 15 that is substantially orthogonal to both the transfer spiral plates 13 and advances in a direction opposite to the advance direction of the transfer spiral plates 13 is provided. A threshing cylinder which is provided in plural at a predetermined interval and in which a part of the diffusion plate 15 'can be changed to a direction in which the advance angle increases in the opposite direction with one end as a fulcrum.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention is a general-purpose combiner that puts all the harvested crops into a threshing room and threshes them. The threshing cylinders in

[0002]

[Prior art]

  Mow crops such as wheat, buckwheat, and soybeans, put all of them in the threshing room, and thresh As a threshing cylinder for general-purpose combine, on the outer peripheral surface of the conventional cylindrical cylinder, The one in which the transfer spiral plate and the threshing treatment blade that are uniformly continuous from the start end to the end end are installed It is commonly used.   However, the transfer spiral plate of the conventional threshing cylinder described above has a starting end portion to an end portion. Since the grain culms are transferred continuously, the grain culms are transferred smoothly, while the grain culms are rubbed during the transfer. Due to insufficient desolving action, grain culms are focused and reduce threshing efficiency. There is a problem that the lower body is clogged and the leakage rate is deteriorated.   In order to solve the above-mentioned problem, the applicant of the present invention appropriately installs the transfer spiral plate of the threshing cylinder as appropriate. Threshing siri which is divided into several lengths and a part of the dividing spiral plate is arranged in the reverse pitch direction. We have proposed a transfer spiral plate for an underwater machine (Japanese Patent Application No. 1-125806).   According to this proposal, the grain culm is moved backward while repeating the progress and retreat, As the threshing process time is extended, the crushing action of the grain culm caused by the forward and backward movement and the leakage The grain culm is efficiently threshed by the dissociation action of the lower body's clogging. However, there was a problem that the repulsive grains were scattered from the culm and became a loss due to the discontinuity.

[0003]

[Problems to be solved by the present invention]

  The present invention has been made in view of the above problems and has been made as an object to improve the problems. As a result, the threshing time of grain culms is extended and efficient threshing processing is performed, and It is possible to prevent scattering loss of granulation, and to perform appropriate threshing treatment depending on the type of treated crops. It is intended to provide a threshing cylinder for a general-purpose combine harvester.

[0004]

[Means for Solving the Problems]

  In order to achieve the above-mentioned object, the present invention supplies all the grain culms harvested by the harvesting section to the threshing chamber. And a threshing cylinder around a transfer spiral plate that is uniformly continuous from the beginning to the end. In a threshing cylinder in a general-purpose combine for threshing between swelling body and pips , Between the transfer spiral plates adjacent to each other on the peripheral surface of the threshing cylinder, substantially orthogonal to both transfer spiral plates Then, a plurality of diffusion plates, which are in a direction opposite to the direction of advance of the transfer spiral plate, are provided at predetermined intervals, In addition, a part of the diffuser plate rotates in a direction in which the advancing angle increases in the opposite direction with one end as a fulcrum. It features a threshing cylinder in a replaceable mounted general combine harvester.

[0005]

[Action]

  As mentioned above, the diffusion plate is installed in the direction opposite to that of the transfer spiral plate. Therefore, the grain culms are transferred to the rear while advancing and retreating, and the grain culms are rubbed by the reciprocating movement. Grain culm due to desolving action, dissociation action of clogging of the leaked body, and extension of threshing treatment time. Is a threshing plate that is efficiently threshed and is continuously continuous from the beginning to the end. Since a plurality of diffusion plates are provided at predetermined intervals in between, repulsive particles generated during threshing processing It is returned by hitting the diffuser plate and scattering loss is prevented. In addition, some diffuser plates may move in the opposite direction. Suitable for treated crops by adjusting the angle of horn depending on the difficulty of threshing treatment of treated crops. The threshing process can be performed.

[0006]

【Example】

  Hereinafter, the present invention will be described in detail with reference to an embodiment shown in the drawings.   In FIG. 1, 1 is a general-purpose combine, 2 is a cutting and conveying section provided at the front of the machine body. 3 is a threshing unit provided behind the cutting and transporting unit 2, and 4 is a threshing unit provided below the threshing unit 3. It is a sorting section.   The reaping and conveying section 2 includes a grass body 5, a cutting blade 6, a grain rake scraping reel 7, and a central scraping auto. It is composed of a gar 8 and a conveyor 9 for lifting by a conveyor.   The threshing unit 3 includes a cylindrical leaking body 11 in a threshing chamber 10 that is tilted forward in the machine longitudinal direction. A threshing cylinder that is laterally suspended and has its axis displaced slightly downward inside the leaking body 11. Twelve are accommodated horizontally.   The threshing cylinder 12 has a continuous transfer screw on the outer peripheral surface from the beginning to the end. A lathe 13 is provided around the transfer spiral plate 13, and a large number of threshing blades 14 project from the periphery of the transfer spiral plate 13. Between the adjacent transfer spiral plates 13 provided on the peripheral surface of the threshing cylinder 12. In addition, the transfer spiral plate 13 is provided with a diffusion plate 15 in a direction substantially orthogonal to the transfer spiral plates 13 and 13. Are provided at predetermined intervals in the traveling direction.   A suction fan 16 is attached to the rear of the threshing cylinder 12, An outlet 17 is opened at the lower part of the direction.   The sorting section 4 includes an upper swing shelf 18, a lower swing shelf 19, a chaff sheave 20, and a first sleeve. Fan 21, second fan 22, third fan 23, first spiral 24, second spiral 25 , Etc. are disposed, and the dust outlet 26 is opened at the rear part.

[0007]   As shown in FIG. 2, the diffusion plate 15 has a width of about 1/2 of the height of the transfer spiral plate 13. Weld both ends of the strip plate in the lengthwise direction to positions of the adjacent transfer spiral plates 13 that are substantially vertically opposed to each other. The bracket 27 is welded to the triangular plate-shaped brackets 27, 27. The inclination angle of the grain cylinder 12 with respect to the axis A is approximately the same as the advance angle α of the transfer spiral plate 13. And the lead angle of the diffusion plate 15 is opposite to the lead angle of the transfer spiral plate 13. It will be a direction. The diffusion plate 15 also serves to prevent the transfer spiral plate 13 from falling.

[0008]   FIG. 3 shows an embodiment in which the advancing angle in the opposite direction of a part of the diffusing plate is made variable in the direction of increasing it. As shown, this diffuser plate 15 ′ is one side bra welded to the transfer spiral plate 13. A support shaft 28 is provided on the ket 27, and one end of a diffusion plate 15 'is pivotally supported on the support shaft 28 and fixed to the other end. The plate 29 is provided and fixed to the plurality of screw holes 30 provided on the outer surface of the threshing cylinder 12. Screw the bolt 31 into the screw hole 30 from 9 to advance the diffusion plate 15 'in the opposite direction. The angle can be arbitrarily changed in the increasing direction.

[0009]   In the harvesting work, the general-purpose combine 1 is cut and lifted by the cutting and conveying section 2. All of the sent grain culms are supplied to the threshing chamber 10 as they are, and rotate in opposite directions. Through the transfer spiral plate 13 while performing the threshing process between the threshing cylinder 12 and the leak body 11. Waste materials such as grain culms that have not been leaked from the leak body 11 to the end are sucked into the suction tray. It is discharged from the outlet 17 by the wind force of the fan 16.   In the threshing process, the grain culms are moved backward by the uniformly continuous transfer spiral plate 13. While being transferred, the discontinuity provided in the direction opposite to the direction of the transfer spiral plate 13 Is discontinuously retracted by the diffuser plate 15 of the plant, and the rice husks are rubbed by this movement. Due to the disintegration action, the dissociation action of the clogging of the leak body 11, and the extension of the threshing treatment time. The grain culm is efficiently threshed.   In addition, the continuous transfer path between the transfer spiral plates 13 is made by the plurality of vertical diffusion plates 15. The repulsive particles generated by the threshing process are diffused because they are divided at a predetermined interval. It is returned by hitting 15 and scattering loss from the outlet 17 is prevented.   In addition, the reverse angle of advance of some diffusers with variable reverse angle can be processed. Threshing treatment suitable for treated crops by adjusting the difficulty of threshing treatment It can be performed.

[0010]   Contaminants mixed with the grains that have leaked from the leak body 11 by the threshing process are 4. The foreign substances that have fallen onto the upper swing rack 18 and are mixed with the grains swing by the upper swing rack 18. The grain and the foreign matter are sorted by the sorting and the wind sorting action by the first fan 21. Leaks to the lower swing shelf 19, and the foreign matters are discharged from the rear dust outlet 26.   Here, the grains leaked to the lower swing shelf 19 are subjected to swing sorting and the wind by the second fan 22. It is sorted into grains and impurities that are still mixed, and the grains are the first The contaminants are collected by leaking to the spiral 24 and discharged from the dust outlet 26.   In addition, foreign substances that have leaked from the rear of the leak body 11, the upper swing rack 18, and the lower swing rack 19 Contaminants sent to the rear end of the rear are received by the chaff sheave 20 behind the lower swing shelf 19. Then, the oscillating sorting and the wind sorting effect by the third fan 23 are carried out here, and the grain is set to the second race. 25 and collected in the threshing unit 3 to be sorted into grains and culms, which contain grains. Scraps and the like that do not stay are discharged from the dust outlet 26.

[0011]

[Effect of device]

  In short, the present invention supplies all the grain culms harvested by the harvesting unit to the threshing chamber, Threshing cylinder and leaking body around which a continuous spiral transfer plate was installed from the end to the end A threshing cylinder in a general-purpose combine for threshing between Between the transfer spiral plates adjacent to each other on the circumferential surface of the cylinder, the transfer screws are almost orthogonal to both transfer spiral plates. Providing a plurality of diffusing plates at a predetermined interval in a direction opposite to that of the lathe, Part of the diffuser plate can be converted to a direction in which the advancing angle increases in the opposite direction with one end as the fulcrum. Since it is attached, the grain culm is moved back and forth while advancing and retreating, and the grain culm produced by the forward and backward movements. And the dissociation action of clogging of the leaked body and the extension of the threshing treatment time. The grain culms are efficiently threshed and the loss of repulsive grains generated during threshing is prevented. In addition, the reverse lead angle of some diffusers with variable reverse lead angle is processed. Threshing suitable for treated crops by adjusting the difficulty of threshing treatment It is possible to perform processing and the like.

[0012]

[Brief description of drawings]

FIG. 1 is an overall schematic diagram of a general-purpose combine.

FIG. 2 (A) is an enlarged side view of a main part of a threshing cylinder. (B) is an enlarged side view of the angle variable diffusion plate portion of the threshing cylinder.

[0013]

[Explanation of symbols]

1 general-purpose combine 10 Threshing room 11 leaked body 12 Threshing cylinder 13 Transfer spiral plate 15 Diffuser 15 'angle variable diffuser

Claims (2)

[Scope of utility model registration request] 1. A threshing process is performed between a threshing cylinder and a leaking body in which the whole amount of grain culm cut by the mowing section is supplied to a threshing chamber and a transfer spiral plate that is uniformly continuous from a start end to an end is provided around the threshing cylinder. In a threshing cylinder in a general-purpose combine, between the transfer spiral plates that are adjacent to each other on the circumferential surface of the threshing cylinder, a diffusion plate that is substantially orthogonal to both transfer spiral plates and advances in a direction opposite to the advancing direction of the transfer spiral plates is provided at predetermined intervals. A threshing cylinder for general-purpose combine, which is characterized in that a plurality of them are provided. 2. The threshing cylinder for a general-purpose combine harvester according to claim 1, wherein a part of said diffusion plate is attached so as to be convertible in a direction in which an advance angle increases in the opposite direction with one end as a fulcrum.