JP2503314Y2 - Threshing equipment - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a threshing device for controlling threshing.
It is provided with a means for detecting a displacement of an opposing distance between the holding rail and the carrying chain which are arranged opposite to the carrying carrier chain, and provided with a selecting wind adjusting means for mechanically increasing or decreasing the amount of the selecting air generated by the Karako. When the facing distance is increased and displaced, the sorting air volume is increased, and when the facing distance is reduced and displaced, the sorting air quantity is reduced, and the detection means and the sorting air adjusting means are linked by a mechanical linking mechanism, and The present invention relates to a threshing device provided with a mechanism for mechanically changing and adjusting the degree of increase / decrease in the selection wind accompanying the increase / decrease in the amount of grain culm.

[Conventional technology]

In this type of threshing device, the applicant of the present invention first applied for Japanese Patent Application No.
Like the one proposed as 62 (Japanese Patent Laid-Open No. 3-160923),
A rod linked to the sorting air adjusting means is pivotally connected to the end of the arm on the side opposite to the fulcrum, and a rotating piece rotatable 180 ° is provided on the arm, and the tip of the rotating piece is linked to the detecting means. There is a modification adjustment mechanism configured by pivotally connecting the wires.

[Problems to be solved by the device]

It is desirable for the selection that the increasing / decreasing change of the sorting wind adjusting means with respect to the increasing / decreasing change of the grain culm by the detecting means is set in direct proportion, and in the above-mentioned prior art, the wire and the rod are arranged substantially in parallel, and their pivotal support is provided. The connection points are aligned on a straight line passing through the fulcrum of the arm, and the movement amounts of the wire and the rod are linked at the same rate of change as much as possible.

However, it is difficult to set the wire and the rod in parallel with each other in any arm, that is, in the change adjusting mechanism portion, and in many cases, it is difficult to set the wire and the rod parallel to each other, due to the arrangement of surrounding parts and the structure. Will have to be oriented in different directions. Therefore, in such a case, if the change adjusting mechanism according to the prior art is used, it becomes difficult to perform direct proportional control.

 The present invention aims to solve the above-mentioned inconvenience.

[Means for solving the problem]

The present invention is the threshing apparatus described at the beginning, wherein the change adjusting mechanism includes both the other end of the linking tool having one end linked to the detecting means and the other end of the linking tool linked to the adjusting means at one end. It is characterized by comprising an arm that is pivotally connected and swingable around a fulcrum, and that a relative angular difference is provided between directions of the two fulcrum connecting points of the arm toward the fulcrum. And

[Action]

In other words, an angle difference is provided between the straight line connecting the anti-arm pivotal connection point and the fulcrum of the linking device of the our linking tool and the straight line connecting the anti-arm pivotal connection point of the linking tool of the my linking device and the fulcrum. By adopting the configuration, by setting the angle difference appropriately, it is possible to cancel the angular error between the two linkages when they are not arranged in parallel, and it is possible to move both linkages at the same rate of change. The increase / decrease change of the sorting wind adjusting means with respect to the increase / decrease change of the grain culm by the detecting means can be directly proportionally responded to.

[Effect of device]

Therefore, a threshing device that can perform good threshing control can be provided even if the detecting means arranged opposite to each other with the arm sandwiched therebetween and the selecting wind adjusting means and the linking tool have different arrangement directions. I was able to provide it. In other words, if the above-mentioned characteristic configuration that eliminates the inconvenience caused by the change adjustment mechanism provided in the mechanical linkage mechanism is used, a degree of freedom is given to the arrangement direction of both linkage tools, and the setting position of the change adjustment mechanism is increased. There is an effect that advantages such as loosening the restriction of No. 1 and more rationalizing the arrangement of the components of the threshing apparatus due to it are obtained.

In particular, it is effective when both the linking tools are made of rods.

〔Example〕

Hereinafter, an embodiment of the present invention will be described with reference to the drawings for a threshing device mounted on a combine.

As shown in FIG. 6, the threshing device (Z) is mounted on the upper part of the machine body (18) provided with the crawler traveling device (17), and the cutting section (D) is the front part of the machine body (18). Is attached to the combine to form a combine.

The reaping section (D) includes a raising device (19), a cutting blade (20) for cutting the root of the grain culm, and a feeding and conveying device (21) for conveying the corn grain to the rear of the machine. .

As shown in FIG. 5, the threshing device (Z) includes a threshing unit (A), a sorting unit (B), a collecting unit (C), and a second product reducing unit.

The threshing part (A) has a handling barrel (2) mounted on the handling chamber (1) and a net (3) along the lower side of the handling barrel (2).
The grain culm which is held and conveyed by the feed chain (4) is handled by the handling cylinder (2) and the processed product is leaked and supplied to the sorting section (B).

The sorting section (B) comprises an oscillating sorting device (5), and a sorting wind (6) for sending sorting air to the oscillating sorting device (5).
The swing selecting device (5) comprises a frame body (7) which can be swingably driven.
A Glen pan (8) and a continuous Glen sheave (9) below the rear part of the Glen pan (8) are provided on both sides of the
1) is provided at the front and rear. Then, the processed material that has leaked from the receiving net (3) and has passed through the front Glen pan (15) and the front Straw rack (16) is the Glen pan (8).
It is received by and is swing-transferred to the rear Glensieeve (9) while selecting the specific gravity difference, and then swingingly transferred to the rear while sorting the leakage by the Glensieeve (9) and dropped and discharged from the rear end. On the other hand, the treated product discharged from the dust delivery port (1a) of the handling chamber (1) is received by the upper straw rack (10), and is oscillatingly transferred to the rear while sorting the leakage, and the lower straw rack (11) is selected. To the outside of the machine, and the lower straw rack (11) again leaks and sorts and discharges from the rear end to the outside of the machine. Incidentally, (12) is a dust-exhausting fan for discharging the scraps together with the sorting wind to the outside of the machine.

The recovery part (C) is the first item recovery part (13) for recovering the paddy that has leaked from the Glensive (9), and is discharged from the rear end of the Glensive (9) or the Straw rack (1).
0), (2) and (2) a second material recovery unit (14) for recovering the spilled rice with branches. In the first item recovery section (13),
A first screw (13a) is provided to convey the collected first item to one side, and the second item recovery section (14) has a valley-shaped and bottom section extending over the left and right vertical walls of the threshing device. A bottom case (14b) formed in a circular shape is provided, and a second screw (14a) is provided at the bottom of the bottom case (14b) to convey the recovered second item to the horizontal side. There is.

And this threshing device has a feed chain (4)
Means (E) for detecting the feed amount of the grain culm into the handling barrel (2) based on the displacement of the holding rail (22) arranged opposite to each other, and a means (F) for adjusting the sorting air volume by the Karako (6) The detection means (E) and the selection wind adjustment means (F) are linked via a mechanical linkage mechanism (G) in a state in which the selection wind volume increases and decreases in the same direction as the grain culm volume increases and decreases. In addition, a mechanism (H) for mechanically changing and adjusting the degree of increase / decrease in the selection wind accompanying the increase / decrease in the amount of grain culm is provided in the mechanical linkage mechanism (G).

Here, the "feeding amount into the handling cylinder" is the feeding amount per unit time.

As shown in FIG. 1, the detection means (E) moves a guide pin (23) for supporting the holding rail (22) so that it can move upward, and a vertical movement of the guide pin (23). The selection wind adjusting means (F) is composed of a link (24) for conversion, and the selection wind (F) for discharging the selection wind by the Karako (6) is not the same as the selection part (B), that is, the exhaust air () for discharging below the airframe (18). 25) is provided, and a lid (26) for opening and closing the air outlet (25) is configured to be swingable around a horizontal axis (P ₁ ) provided at the front thereof. (See FIG. 2) The linkage mechanism (G) connects the upper end of the link (24) and the lid (26) with a release wire (28) and a rod (29) via a spring (27). When the guide pins (23) are connected, the lid body (26) is also swung upward and upward, and when the guide pin (23) is lowered, the lid body (26) is also swung downward.

That is, when the amount of grain culm increases, the amount of sorting air also increases, and when the amount of grain culm decreases, the amount of sorting air also decreases. This is defined as increasing or decreasing in the same direction.

The change adjusting mechanism (H) is provided in the linkage mechanism (G), specifically, between the rod (29) and the spring (27) connected to the lower end of the release wire (28). There is.

As shown in FIGS. 3 and 4, the change adjusting mechanism (H) is provided with a rotatable arm (30) around the fulcrum (P ₂ ) of the horizontal axis, and the end of the arm (30) on the side opposite to the fulcrum. The rod (29) is pivotally supported at its upper end, and a spring is provided at the tip of a rotating piece (32) pivotally connected by two lateral pins (31) at the longitudinal intermediate portion of the arm (30). The lower end of (27) is pivotally connected.

The rotating piece (32) is rotatable about the pin (31) in a downwardly convex path by about 180 °, and has a first posture and a second posture along the outer diameter direction with respect to the fulcrum (P ₂ ). It can be switched. That is, the arm (30) includes two substantially triangular arm plates (30a), (3
0a) and a boss (30b), and the turning piece (32) is a U-shaped plate member in plan view bent on the side opposite to the turning fulcrum, and is pivotally supported by the lower end of the spring (27). The pin (33) is detachably pivotally attached to the rotating piece (32).

The pivot pin (33) has a width that interferes with both arm plates (30a), (30a), and both arm plates (30a), (30a).
The a) is formed with two recesses (34) into which the pivot pins (33) are inserted. When the pivot pins (33) are inserted into the distal recesses (34A) of the arms (30), they rotate. The moving piece (32) is in the first posture, and when the pivot pin (33) is engaged with the recess (34) on the base end side of the arm (30), it is in the second posture.

In addition, the span (L) from the axis of the fulcrum (P ₂ ) of the arm (30) to the center of the pivot pin (33) is set to be 1/3 of the first attitude in the second attitude. Yes, according to the compressive strength of wheat stalk being about 1/3 that of rice.

Therefore, when threshing rice, the rotating piece (32) is operated to
In addition to the posture, the rotating piece is operated to the second posture when the wheat is threshed.

By rotating the rotating piece (32) in a downward convex shape, the spring (27) functions as a so-called toggle spring, so that the rotating piece (32) can be moved to the first position without a separate component.
And there is an advantage that the locking can be maintained in both the second postures.

An operating tool (35) is pivotally connected to and suspended from the rotating piece (32), and the bending handle (36) at the lower end thereof is operated from outside the threshing device to rotate the rotating piece (32). The posture can be switched.

Then, at the relative angle (θ ₁ ) between the direction of the release wire (28) facing the arm (30) and the direction of the rod (29) facing the arm (30), the rod (29) is pivotally connected to the arm. First straight line (T ₁ ) connecting the axis (X) and the fulcrum (P ₂ ).
And the angle (θ ₂ ) between the axis (Y) of the pivot pin (33) and the second straight line (T ₂ ) connecting the fulcrum (P ₂ ) in the first and second postures are substantially the same. , The rod (29) and the wire (28) and their respective loci intersect with the first and second straight lines (T ₁ ) and (T ₂ ), respectively, the angle of intersection (θ ₃ ),
The relative change is made within an angular range centered on the position where (θ ₄ ) is about 90 °.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the present invention is not limited to the structure of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of a threshing device according to the present invention. Fig. 1 is a structural view showing a mechanical linking mechanism, Fig. 2 is a side view with a partly cutaway view of a Karato part, and Fig. 3 is a structure of an arm and its vicinity FIG. 4, FIG. 4 is a bottom view of the arm, FIG. 5 is an overall side view of the thresher, and FIG. 6 is a side view of the combine. (4) …… Clamping carrier chain, (6) …… Kara, (22)
…… Clamping rail, (28), (29) …… Coupling, (30)…
… Arm, (E) …… Detecting means, (F) …… Sorting wind adjusting means, (G) …… Mechanical linking mechanism, (H) …… Change adjusting mechanism, (P ₂ ) …… Support point, (X) , (Y) …… Pivot connection point.

Claims (1)

(57) [Scope of utility model registration request] 1. A means (E) for detecting a displacement of a holding rail (22) disposed opposite to a holding and conveying chain (4) and the conveying chain (4) is provided, and a Karako (6) is provided. A state in which sorting air adjusting means (F) for mechanically increasing or decreasing the generated sorting air amount is provided, and the sorting air amount is increased when the facing distance is increased and displaced, and the sorting air amount is decreased when the facing distance is displaced and decreased. In addition, the detection means (E) and the sorting wind adjusting means (F) are linked by a mechanical linking mechanism (G), and the sorting wind is increased or decreased in the linking mechanism (G) as the amount of grain culm is increased or decreased. A threshing device provided with a mechanism (H) for mechanically changing and adjusting the degree,
One end of the change adjusting mechanism (H) has the detecting means (E).
The other end of the linking tool (28) linked to and the other end of the linking tool (29) linked to the adjusting means (F) are both pivotally connected and swing around the fulcrum (P ₂ ). It is composed of a movable arm (30), and the relative angular difference between the directions of the pivotal connection points (X) and (Y) of the arm (30) toward the fulcrum (P ₂ ), respectively. Threshing equipment.