JP2596651B2 - Axial flow threshing device handling cylinder structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of mounting a spiral tooth on an outer peripheral surface of a rotary drum rotating around a drive shaft center, and also providing a transport resistance to a threshing processed product sent by the spiral tooth on an outer peripheral surface of the rotary drum. The present invention relates to a handling drum structure of an axial flow threshing device provided with a stirring plate for applying and stirring.

[0002]

2. Description of the Related Art In this type of threshing apparatus, a plurality of agitating plates are provided on a handling cylinder positioned between spiral teeth, and a threshing / stirring action is applied to a threshing material to reduce the residence time in a handling chamber. By increasing the length, it is possible to improve the shedding performance of hard-to-grain products such as rice. Conventionally, as shown in FIGS. The agitating plate 19 is pivotally supported so as to be able to freely swing around X, is fixed to the rotating drum 4 and does not generate a stirring action, and the fixing is released and the rotating drum 4 is rotated around the axis X. Means has been adopted in which the stir plate 19 is raised by the centrifugal force caused by the rotation to reveal the working posture.

[0003]

By freely pivoting the stirring plate, even if an excessive external force is applied to the stirring plate, the stirring plate retreats and swings to allow the external force to escape naturally. And there is an advantage that it is difficult to damage the threshing product. However, the stirring plate at the time of the working posture becomes almost vertically upright along the radial direction of the rotating drum due to the rotation of the rotating drum, but in this case, the resistance given to the threshing material is often slightly excessive, It has been found that there is an inconvenience in that the cut straw to be transported by the stirring plate more than necessary in the handling room is more likely to mix the discharged material into the first processed material, or the threshing load becomes excessive. An object of the present invention is to realize a threshing apparatus with a stirring plate without the above-mentioned inconvenience.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a handle cylinder structure for an axial flow threshing apparatus as described at the beginning, wherein a stirring plate is moved in an outer diameter direction by centrifugal force caused by rotation of a rotary drum. A restrictor that is pivotally connected pivotally and restricts the rising angle of the agitating plate that has been erected and oscillated in the outer diameter direction by the centrifugal force to a value smaller than the maximum erected angle in the free pivot state. By providing the agitating plate on the rotating drum, the non-working posture in which the agitating plate and the pivot portion with the rotating drum are located on the upper side in the rotation direction and along the outer circumferential surface of the rotating drum, and standing up from this non-working posture It is characterized in that the posture can be freely changed between the work posture in contact with the regulating tool.

[0005] By newly installing a restricting tool, the angle of upright of the stirring plate at the time of working posture can be suppressed to a value smaller than the angle at the time of free pivot (for example, 45 degrees). Inconvenient phenomena, such as damage to the processed material and the rotation of the cut straw due to excessive standing of the stirring plate during threshing of the product, can be reduced, and the angle reduces the load due to the collision of the threshing processed product with the stirring plate. And
It is advisable to set the stirrer to a non-working position during threshing of wheat or the like having good grain-removing properties. The setting of the rising angle is appropriately selected according to the threshing product. In the working posture, an action of promoting the leakage of releasing the thresh-processed material outward by the component force due to the angle of the stirring plate also occurs.

[0006]

Therefore, the grain can be improved while the threshing efficiency can be improved by facilitating the leakage at the receiving net by a simple remodeling simply by providing a restricting tool for suppressing the rising angle of the stirring plate in the free pivot state. The handling cylinder structure of the axial flow threshing device, which can improve the performance and efficiency of the device, can improve the performance and efficiency of the device as it can improve the performance and efficiency of the threshing operation, such as damage to the waste, mixing of straw into the first processed material, and deterioration of the threshing work efficiency due to increased load. Could be provided.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an axial flow threshing device A of a whole culm-in type combine, B is a handling cylinder, and C is a sorting device. Handling cylinder B
Is provided with a large number of teeth 6 forming a single spiral body (corresponding to a spiral tooth) 5 having a predetermined lead angle on an outer peripheral portion of a rotary drum 4 attached to a drive shaft 1 facing forward and backward, Also,
A wire rod 9 is attached to the frame 8 below the handling room 7 in which the handling cylinder B is stored.
Is provided. The sorting device C is configured to include a swinging sorting mechanism 11, a Karamin 12, a first screw 13, and a second screw 14, and the collected material by the first screw 13 is stored in a Glen tank (not shown).
The material collected by the second screw 14 is returned to the swing sorting mechanism 11. A single tooth 6 in the handling cylinder B is formed so as to extend over a range of 90 degrees as the spiral body 5, and the handling tooth 6 is formed by press-integrating the tooth handling portion and the flange portion. In addition, a plurality of agitating plates 19 are provided at a plurality of locations so as to provide a stirring action to the thresh while being bridged over the adjacent teeth 6 in the axial direction.

That is, as shown in FIGS. 2A and 2B, the agitating plate 19 is located between the pitches of the spiral body 5 and the front and rear teeth 6 are aligned with the axis along the rotation axis P of the rotary drum 4. The rotating cylinder 4 is pivotally supported so as to be swingable around the center X, the axis X is positioned on the upper side in the rotation direction of the rotating cylinder 4, and the rotating cylinder 4 is in a non-working position in a state along the outer periphery of the rotating cylinder 4. The handling cylinder B can be freely fixed by the mounting bolts 20 and is suitable for threshing threshing material such as wheat. Further, the stirring plate 19 is swung around the axis X by the centrifugal force and stands up along the radial direction of the rotating drum 4 when the handling drum B is rotated after the mounting bolt 20 is removed and the stirring drum 19 is freely rocked. The rotating body 4 is in a working posture and is suitable for threshing hard-to-granulate materials such as rice, but the rear handling teeth 6 do not have an agitating plate 19 standing angle of 45 degrees or more in the working posture. (Corresponding to a restricting tool) 21 is provided to restrict the stir plate 1 in the free pivot state.
9 shows an erect angle close to 90 degrees). Means for providing a bent portion along the teeth 6 on the stirring plate 19 and connecting the bent portion and the teeth 6 with bolts to maintain the working posture may be used. Further, if the fixing position of the protruding piece 21 is made variable, or the connecting position between the bent portion and the handling tooth 6 is provided at a plurality of positions so that the rising angle can be adjusted to a value other than 45 degrees, it is practical. Above will be convenient.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is a side view showing the structure of a threshing apparatus.

FIG. 2 shows a support structure of a stirring plate, (a) is a side view,
(B) Front view

FIG. 3 shows a conventional support structure for a stirring plate, wherein (a) is a side view and (b) is a front view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Drive shaft 4 Rotating drum 5 Spiral teeth 19 Stirring plate 21 Regulator

Claims (1)

(57) [Claims] A helical toothing (5) is attached to an outer peripheral surface of a rotary drum (4) rotating around a drive shaft (1) center,
A handle cylinder of an axial-flow threshing device provided with a stirring plate (19) on an outer peripheral surface of the rotary drum (4) for applying a transport resistance to the threshing processed product sent by the spiral toothing (5) to perform a stirring action. Structure, wherein the stirring plate (19) is connected to the rotating drum (4).
The stirring angle of the agitating plate (19), which is pivotally connected in the outer diameter direction by the centrifugal force caused by the rotation of the stirrer and is oscillated in the outer diameter direction by the centrifugal force, can be freely pivoted. By providing a restricting tool (21) for restricting to a value smaller than the maximum standing angle in the state in the rotary drum (4), the agitating plate (19) is pivotally connected to the rotary drum (4) in this state. And the rotary drum (4)
A non-working posture along the outer peripheral surface, and a working posture standing up from the non-working posture and abutting on the restricting tool (21);
Axle-type threshing device handling cylinder structure that can be freely changed in attitude.