JPH042205B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a swing-type sorting device for sorting threshed grains in a threshing machine while swinging. The present invention provides a device for adjusting the inclination angle of each horizontal bar in the horizontal bar type chaff sheave in a swinging sorting device provided with a horizontal bar type chaff sheave for sorting.

[Conventional technology]

Adjusting the inclination angle of each horizontal bar in a horizontal bar type chaff sheave is well known in the art, as described in, for example, Japanese Utility Model Publication No. 30231/1983.

In the conventional horizontal beam type chaff sheave, a plurality of horizontal beams are arranged between the left and right side frames of the swing sorting mechanism, and each of the horizontal beams is fitted into a pin hole drilled in the left and right side frames. It is supported so that its inclination angle can be adjusted by a circular pivot pin and an angle adjustment pin that is slidably fitted in a long groove pin hole drilled in both side frames in the longitudinal direction of the long groove pin hole. An angle adjustment rod disposed on the outer surface of at least one side frame of the frame and each of the horizontal bars are connected via an angle adjustment pin that fits into the long groove pin hole, and the angle adjustment rod is It was constructed so that the inclination angle of each horizontal bar could be adjusted simultaneously by moving back and forth.

[Problem that the invention seeks to solve]

However, in this conventional horizontal frame type chaf sheave, one of the long groove pin holes and the pin holes drilled in both side frames to support each side frame is not connected to the outer surface of the both side frames. It is always open, and the dust and straw waste being sorted will blow out from these long groove-shaped pin holes toward the outside of both sides of the frame on the wind. Dust may get mixed into the grains after sorting or adhere to the movable parts of the oscillating sorting mechanism, reducing its durability, and causing other negative effects. As the straw waste blows out, it gets caught in the long groove-shaped pin hole,
After filling the long groove-shaped pin holes, the inclination angle of each horizontal bar often becomes impossible to adjust.

The present invention aims to solve these problems.

[Means to solve the problem]

In order to achieve this object, the present invention provides a structure in which a swing sorting mechanism is provided at the bottom of a handling chamber between the left and right frames.
A plurality of horizontal bars extending substantially perpendicular to the swinging direction in the swinging sorting mechanism are arranged at appropriate intervals, and each horizontal bar is
A pivot pin that fits into a pin hole drilled in the left and right side frames, and an angle adjustment pin that fits into a long groove pin hole drilled in both side frames so as to be slidable in the longitudinal direction of the long groove pin hole. an angle adjustment rod disposed on the outer surface of at least one of the side frames, and each of the horizontal beams;
In the swing sorting device which is connected via an angle adjustment pin fitted into the long groove pin hole, the angle adjustment rod is moved to the outer surface of the side frame in the long groove pin hole by the angle adjustment rod. It is designed to be wide enough to cover the opening.

[Action/effect of the invention]

In this way, by configuring the opening to the outer surface of the side frame in the long groove pin hole into which the angle adjustment pin is fitted to be closed by the angle adjustment rod, the dust and straw waste during sorting can be prevented It is possible to prevent the wind from blowing out of the side frame from the long groove pin hole.

Therefore, according to the present invention, it is possible to prevent dust and straw waste from blowing out from the long groove-shaped pin hole as in the conventional case.
This can be prevented by an angle adjustment rod for adjusting the inclination angle of each horizontal bar, in other words, the angle adjustment rod is a member for preventing dust and straw waste from blowing out from the long groove pin hole. Since it can also be used as a double-use device, there is no possibility that the dust and straw blown out from the long grooved pin hole will get mixed into the grain after sorting, and the dust and straw blown out from the long grooved pin hole will get mixed into the grain after sorting, and the movable part of the swing sorting device The increase in the number of parts and the complexity of the structure will reduce the durability due to the accumulation of debris, as well as the inability to adjust the inclination angle of each horizontal bar due to the clogging of waste dust and straw debris in the long groove pin holes. It has the effect of reliably reducing the amount of carbon dioxide produced without causing any damage.

〔Example〕

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 indicates a handling chamber containing a handling cylinder 2, and a crimp net 4 is stretched under the lower part of the chamber except for the dust exhaust port 3. .

Reference numeral 5 indicates a swinging sorting mechanism supported by a link 6, and the swinging sorting mechanism 5 has left and right side plates 7,
7, a feed pan 8 provided between the front parts and a grain board 9 provided between the rear parts thereof, and a part from the middle part of the crimp net 4 to below the dust exhaust port 3, which is approximately perpendicular to the swinging direction. At the rear of the chaf sheave 10, a chaf sheave 10 is formed by arranging a large number of horizontal bars 11 made of thin metal plates at appropriate intervals and extending in the direction of
A sieve line 1 whose tip extends in the direction of the dust exhaust fan 12
3, and a sorting net 14 is provided below the chaff sheep 10.

Further, below the swing sorting mechanism 5, there is a winnowing fan that blows air toward the sorting net 14, a first screw conveyor 17 with a grain gutter 16, and a second screw conveyor 19 with a grain gutter 18. are arranged respectively.

The inclination angle of each horizontal bar 11 in the chaff sheave 10 can be freely adjusted between side frames 21, 21 which are removably attached to the inner surfaces of the left and right side plates 7, 7 in the swing sorting mechanism 5 with bolts 20, etc. will be installed on the

That is, as shown in FIGS. 2 to 5, pin holes 22 are formed in the upper portions of the side frames 21, that is, in the portions close to the upper ends of the respective horizontal bars 11, at the mounting intervals of the horizontal bars 11. In the lower part thereof, long groove-shaped pin holes 23 are similarly bored at the mounting intervals of the respective horizontal bars 11.

Each of the horizontal bars 11 is provided with a downwardly bent lip 24 at its lower end to have an L-shaped cross section (note that this lip 24 may be provided upward as shown in FIG. 6), and , At both longitudinal ends of each horizontal bar 11, horizontal bar mounting pieces 25 made of synthetic resin are attached by fitting into grooves 25 provided in the horizontal bar mounting pieces 25, and the upper ends of the horizontal bar mounting pieces 25 are attached. A pivot pin 27 integrally formed on the outer surface is inserted into each of the pin holes 22 formed in the upper part of the both side frames 21.

Further, a pin hole 28 is bored at the lower end of the horizontal bar mounting piece 25, and a lower pin 28 is inserted into the pin hole 28, and serves as an angle adjustment pin and a support for the lower part of each horizontal bar 11.
9 is inserted into the head of the lower pin 29 to prevent the horizontal bar 11 from coming out of the groove 26, while the lower pin 29 is inserted into the long groove-shaped groove formed in the lower part of the both side frames 21. It is inserted into the pin hole 23 so as to be slidable in the longitudinal direction thereof, and protrudes to the outside of the both side frames 21.

Furthermore, angle adjustment rods 30 made of synthetic resin are provided on the outer surfaces of the both side frames 21 and extend in the longitudinal direction thereof.
is arranged so as to be slidable in its longitudinal direction, and each of the lower pins 29 is inserted into and engaged with a pin hole 31 bored in this angle adjustment rod 30 at an interval of each of the horizontal bars 11. The structure is such that each of the horizontal bars 11 tilts and rotates at the same time as the angle adjustment rod 30 moves back and forth in the longitudinal direction.

Then, the angle adjusting rod 30 is connected to the side frame 21 of the long groove pin hole 23 by the angle adjusting rod 30.
wide enough to close the opening to the outer surface of the

Note that the angle adjustment rod 30 is connected to each lower pin 29.
Bolt 3 screwed into any one of the lower pins
2, the structure is such that it can be fixed non-slidably at any angle adjustment position.

In this configuration, the grains among the threshed grains leaking from the crimp net 4 in the handling room 1 fall into the feed pan 8 and the chaff sieve 10, and the threshed grains that fell into the feed pan 8 are sent to the chaf sheave 10 by shaking, and As the grains are being sent backwards together with the threshed grains that have fallen into the chaff sheave 10, the sorting net 1 is passed between each horizontal bar 11 in the chaff sheave
4, the grains are sorted on the sorting net 14 so that the dust is sucked into the dust exhaust fan 12 by the windmill, and then passed through the grain gutter 16 to the first screw conveyor 17. taken outside.

On the other hand, the waste dust such as straw that could not leak through the crimp net 4 falls from the dust exhaust port 3 in the handling room 1 onto the chaff sheave 10 below it, and is sequentially caused by its swinging and the wind from the windmill. On the way to the sieve line 13, the tough and heavy ones reach the second screw conveyor 19 and are returned to the handling chamber 1 by a return thrower (not shown), while the light and large ones Dust exhaust fan 1 from the tip of sieve wire 13
2, or are ejected out of the aircraft as is.

Then, by loosening the bolt 32 for fixing the position of the angle adjustment rod 30 in the chaff sheave 10 and moving the angle adjustment rod 30 back and forth in its longitudinal direction, each horizontal bar 11 can be moved with the pivot pin 27 at its upper part. Since they rotate all at once around the center, each horizontal bar 1
1 can be freely adjusted. When adjusting the inclination angle, each horizontal bar 11 rotates around the pivot pin 27 at its upper part, so that the angle of inclination at the upper surface of the chaf sheave 10 The spacing between the horizontal bars 11 can be maintained substantially constant, and in order to support the lower part of each horizontal bar 11, the long groove-shaped pin holes 23 formed in the side frames 21 are formed outside the side frames 21. The opening to the side is closed with the angle adjustment rod 30, so that the dust and straw waste during sorting are blown out from the long groove pin hole 23 to the outside of the side frame 21 on the wind of the chimney. It is possible to prevent this.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional front view of the threshing machine, Fig. 2 is a perspective view of the chaff sheave, Fig. 3 is an enlarged sectional view of Fig. 2, and Fig. 4 is an enlarged sectional view of Fig. 2.
FIGS. 5 and 6 are enlarged cross-sectional views taken from the side in FIG. 2. FIG. 1... Handling room, 2... Handling barrel, 3... Dust exhaust port, 4...
... Crimp net, 5 ... Rocking sorting mechanism, 10 ... Chaff sheave, 11 ... Horizontal bar, 21 ... Side frame, 22
... Pin hole, 23 ... Long groove pin hole, 27 ... Pivotal support pin, 29 ... Lower pin that also serves as angle adjustment pin, 30 ... Angle adjustment rod.

Claims (1)

[Claims] 1. A plurality of horizontal bars extending approximately perpendicular to the swinging direction of the swinging sorting mechanism are arranged at appropriate intervals between the left and right side frames of the swinging sorting mechanism provided at the bottom of the handling room, and each of the horizontal bars is , a pivot pin that fits into pin holes drilled in the left and right frames, and an angle adjustment pin that fits into the long groove pin holes drilled in the left and right frames so as to be slidable in the longitudinal direction of the long groove pin holes. Thus, while the angle adjustment rod is supported so as to be adjustable in inclination angle, the angle adjustment rod disposed on the outer surface of at least one of the side frames and each of the horizontal bars are adjusted in angle by fitting into the long groove pin hole. In the swing sorting device, the angle adjusting rod is configured to have a wide width so that the angle adjusting rod closes an opening to an outer surface of the side frame in the long groove pin hole. A swinging sorting device for a threshing machine, which is characterized by: