JPH062517Y2 - Supporting structure of the handling cylinder in the screw-type thresher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a supporting structure for a handling cylinder in a screw type thresher,
More specifically, the present invention relates to a support structure for a handling cylinder in a screw type thresher having a handling cylinder rotatably supported in the handling chamber and having a screw blade on its outer periphery, and a receiving net provided at the lower part of the handling barrel.

(Prior Art) Conventionally, as a support structure for a handling cylinder in this type of screw thresher, bearing bodies are fixedly installed on both sides in the length direction of the handling chamber,
Each of these bearing bodies is configured to rotatably support a handling barrel shaft of a handling barrel having screw vanes around the outer circumference.

(Problems to be solved by the invention) By the way, in the screw type thresher, when the grain culm is clogged between the handling barrel and the net due to the structure of the handling barrel being long, In the support structure for the barrel, the rotary drive of the handling barrel is stopped, the cover at the upper portion of the handling chamber is opened, and the handling barrel is rotated little by little. It does not rotate easily due to clogging of grain culms,
There was a problem that it was difficult to remove the jammed grain culms from the handling room.

Further, as a clogging releasing method for solving the above problems, a reversing rod having a length of about 1 m is used, and one end engaging portion of the reversing rod is inserted through an opening portion of the cover to a handling barrel shaft end of the handling barrel. There is known a method of releasing the clogging of the grain culm by forcibly rotating the handling cylinder by engaging the part with the other end side and swinging the other end side. When the grain culm is tightly clogged between the handling cylinder and the receiving net, one person cannot rotate the handling cylinder at all through the reversing rod, and therefore, for a normal worker, for example, 3 The reversing rod must be swung by a person.

Further, if the handling cylinder is forcibly rotated in such a state that the grain culms are clogged as described above, there is a problem that a large force acts on the receiving net to deform the receiving net.

The object of the present invention is to easily remove the clogging of the grain culms by supporting the handling barrel in the handling room so that the handling barrel can be moved in a far and near direction and moving the handling barrel away from the receiving cage. It can be performed without applying a load to the receiving net, that is, without deforming the receiving net. Moreover, the thrust of the screw shaft is used to move the handling cylinder up and down with a light operating force and without slack. In addition, it is possible to provide a support structure for a handling cylinder that can perform the moving operation of the handling cylinder satisfactorily.

(Means for Solving the Problems) In the present invention, a handling cylinder (3) having screw blades (3a) around it is rotatably supported in a handling chamber (2). It is a support structure of a handling cylinder in a screw type thresher having a receiving net (4) at the lower part of the above, and extends vertically in opposition to front and rear walls (2b) (2c) of the handling chamber (2). Support (2) provided with a pair of guide rods (26) (26)
0) and the guide rods (26) (26)
While supporting both sides of the bearing body (10) supporting the handling barrel shaft (3b) of the handling barrel (3) at the center in the width direction so as to be slidable in the vertical direction, the support body (20). ) And the central portion of the upper part of the bearing body (10), the screw portion (15a)
And an operating portion (15b), and an adjusting body (1) for vertically moving the bearing body (10) by the thrust of the screw portion (15a).
5) is provided, and the operation portion (15b) of the adjusting body (15) is arranged above the support body (20).

(Operation) With the above configuration, when the grain culm is clogged between the handling cylinder (3) and the net (4), the rotating operation of the adjusting body (15) located in the upper center of the bearing body (10). The thrust of the screw portion (15a) of the adjusting body (15) is used to move the bearing body (10) upward, whereby the bearing body (10) moves away from the receiving net (4). To a large gap between the handling barrel (3) and the net (4) to adjust the degree of clogging of the grain culms between the handling barrel (3) and the net (4). Under such a condition, the handling barrel (3) is rotated to remove the jammed grain culms from the handling room, and this removal work can be performed easily by one operator. This can be done without imposing a load on the receiving network (4).

Further, since both sides of the bearing body (10) are slidably supported by the pair of guide rods (26) (26) in the vertical direction, the screw portion (15a) of the adjusting body (15) is provided. When the bearing body (10) is moved upward by utilizing the thrust force of (1), the bearing body (10) can be smoothly moved up without causing a koze, and the adjusting body (15) is also provided. The operation part (15b) in the
Since it is arranged on the upper part of (0), the operation part (15b) can be easily operated from the upper opening of the threshing part by opening the upper cover of the threshing part, and the operability can be improved.

(Example) FIG. 4 shows a general-purpose combine to which a supporting structure of a handling cylinder in a screw type thresher of the present invention is applied. (1) is a main casing of the screw type thresher, and the casing (1)
A handling chamber (2) is provided in the upper part of the chamber, and a handling cylinder (3) formed by spirally winding a screw blade (3a) around the handling chamber (2) is rotatably supported, and The handling room (2)
A receiving net (4) at the bottom of the net and an outlet (41) at the discharge side of the handling cylinder (2) behind the receiving net (4), while below the receiving net (4). In addition, a swing selecting device (5) including a feed pan (51), chaff sheaves (52) (53), a Glen sieve (54), etc. is swingably supported via a support arm (55), and the swing motion is A first conveyor (6) and a second conveyor (7) are arranged below the dynamic sorting device (5), and a sorting fan (8) is provided in front of the sorting device (5). There is.

Further, (71) is a second reduction cylinder provided on the discharge side of the second conveyor (7), (72) is in communication with the upper end inlet (71a) of the second reduction cylinder (71), and is in the handling chamber ( 2) A second reducing horizontal conveyor (72) having a jumping blade (72a) provided on the outside of the front surface of the second reducing cylinder (71) to feed the reduced material into the horizontal conveyor and the jumping blade (72a). ) And so as to be thrown into the handling room (2) from above the front of the handling room (2).

Further, (2a) is an upper cover of the handling chamber (2) constituting the main body casing (1), and the lower end on one side of the cover (2a) is the rest of the handling via a rotation shaft (not shown). The upper part of the handling chamber (2) is opened by being supported on the upper end of the side wall of the chamber (2) and swinging the other side of the cover (2a) upward around the pivot shaft.

Thus, the harvested crops supplied in the handling room (2) are
The screw blades (3) of the handling barrel (3) in the handling chamber (2)
a) threshing is performed, and the culms are transferred to the discharge side of the handling cylinder (3) by the screw blades (3a) and the culms (41).
Of the processed products sorted by the swing sorting device (5) while the grains falling from the net (4) while being discharged from the outside to the outside are sorted out by the sorting device (5). Is supplied and stored from the first conveyor (6) to a grain tank (not shown), and taken out from the tank.
The second product is supplied again to the handling cylinder (3) through the second reduction cylinder (71) and the second reduction horizontal conveyor (72) provided on the side of the second conveyor (7), and straw waste, etc. Is discharged to the outside through the discharge port (41).

Thus, as a supporting structure for the handling cylinder in the screw threshing machine configured as described above, a pair of guide rods (opposite to each other) extending vertically in the front and rear walls (2b) and (2c) of the handling chamber (2). 26) A bearing body which is provided with a support body (20) provided with (26) and which supports the handle barrel shaft (3b) of the handle barrel (3) at the widthwise center of the guide rods (26) (26). Both sides of (10) are slidably supported in the vertical direction, while the support body (20) and the bearing body (1) are supported.
0) has a screw part (15a) and an operating part (15b) between the upper center part and the adjusting part (15) for moving the bearing body (10) up and down by the thrust of the screw part (15a). The operating part (15b) of the adjusting body (15) is provided.
Was placed on top of the support (20).

Specifically, as shown in FIGS. 1 to 3, a support body (20) provided with a pair of guide rods (26) (26) is used, and the support body (20) has an upper wall portion (21). And lower wall (22)
And a pair of side wall portions (23) and (23) connecting both end portions of the upper and lower wall portions (21) and (22), and has a frame shape, and the side wall portions (23) and (23) have mounting holes (23a). )
Is formed so as to fix the respective supports (20) and (20) to the front wall (2b) and the rear wall (2c) of the handling chamber (2) by bolts (24). An intermediate portion in the lengthwise direction of the upper wall portion (21) is projected upward, and a concave portion (25a) and a through hole (25b) penetrating at a central position of the concave portion (25a) are formed in the protruding portion (25). And the protrusions (2) on the upper and lower wall portions (21) (22).
On both sides of 5), put up a pair of guide rods (26) (26),
The lower wall portions (21) and (22) are interposed between them.

On the other hand, the bearing body (10) is a cylindrical boss portion (11) which is inserted through the handling barrel shaft (3b) and coupled with the shaft (3b), a bearing (13) such as a ball bearing, and the bearing (13). )
And a holder (12) for supporting the guide rod (12), and guide holes (12a) (12a) through which the guide rods (26) (26) can be inserted are provided on both sides of the holder (12).
By inserting these guide holes (12a) (12a) ... Into the guide rods (26) (26), the bearing body (10)
To support the guide rods (26) (26) so as to be movable in the vertical direction, and also to hold the holder (14).
A screw hole (12b) into which the screw portion (15a) of the adjusting body (15) is screwed is provided at the center of the upper part of the.

Then, the bearing body (10) is attached to the guide rods (26) (2
6) As an adjustment means for moving up and down along the adjustment body, an adjustment body (adjustment bolt) that can be inserted into the through hole (25b) of the protrusion (25) and screwed into the screw hole (12b) of the holder (12) ( Hereinafter, an adjusting bolt (15) is used, and a locking body (18) is provided at an intermediate portion in the longitudinal direction of the bolt (15), and the adjusting bolt (15) is provided on the protrusion (25). ) Insertion hole (17a) and mounting hole (1
7b) and (17b) with a stopper (17) screw (19)
The bolts (15) are fixed by means of the above to prevent the bolts (15) from moving in the axial direction. That is, with the bolt (15) inserted into the through hole (25b) of the protrusion (25) and the locking body (18) inserted into the recess (25a), the stopper (17) is inserted. Is fixed to the protrusion (25), the adjustment bolt (15) is attached to the protrusion (25) only so as to be rotatable, and the screw of the holder (12) is rotated by the rotation of the adjustment bolt (15). The bearing body (10) is configured to move up and down along the guide rods (26) and (26) by being screwed into the holes (12a).

A lock nut (16) is screwed onto the bolt (15) to prevent the bolt (15) from being inadvertently rotated, for example, in the downward movement position.

The front wall (2b) and the rear wall (2c) of the handling chamber (2) have through holes (2d) (2) through which the handling barrel shaft (3a) passes.
d) are formed respectively, and these through holes (2d) (2
The d) is formed in a long hole shape so that the handling barrel shaft (3a) can move together with the bearing body (10).

In the drawing, (27) and (27) face end plates (3c) fixed to the front and rear ends of the handling cylinder (3), and the end portion of the handling cylinder (3) and the inner wall surface of the handling chamber (2). Cover bodies for preventing grain culms from entering and clogging between them, and these cover bodies (27) (27) are also attached so as to move together with the handling cylinder (3) when the bearing body (10) moves. .

In this case, the front wall (2b) and the rear wall (2) of the handling room (2)
c) a pair of left and right inner elongated holes (2e) (2e) facing the holder (12) of the bearing body (10) and extending in the same direction as the through hole (2d), and the support body (20). A pair of upper and lower outer elongated holes (2f) extending in the same direction as the inner elongated hole (2e) are formed at both outer positions, and the cover body (27) is formed into the inner elongated hole (2e). The bearing body (1) is provided through a pair of mounting rods (28) and (28) which penetrate (2e).
No. 0) holder (12) and four guide pins (29) that penetrate the outer elongated holes (2f).
Is movably supported with respect to the front wall (2b) or the rear wall (2c), and the cover body (27) is moved by the bearing body (10) to cause the pair of mounting rods (28) to move. ) (2
8) and the guide pin (2
The cover body (27) is attached to the inner wall surface of the handling chamber (2) by 9) so that the cover body (27) can move accurately and smoothly.

The present invention is configured as described above, and in the case of clogging of the grain culm between the handling barrel (3) and the receiving net (4) during threshing work, the upper cover of the handling chamber (2). (2a) is opened and the adjusting bolt (15) is located on the upper part of the support (20).
The bearing body (1 for supporting the handling barrel shaft (3b) by rotating the
0) is moved away from the receiving network (4), that is, in the upward direction. That is, the lock nut (16) of the adjusting bolt (15) is loosened to adjust the adjusting bolt (15).
Is rotated in a direction in which the bearing is screwed into the screw hole (14b) of the bearing body (10).

At this time, the locking body (18) of the adjusting bolt (15) is sandwiched between the stopper body (17) and the protruding portion (25),
Since the adjustment bolt (15) is prevented from moving in the axial direction, only rotation is performed at the same position, and the bearing body (1
0) is moved upward along the guide rods (26) (26).

Due to the movement of the bearing bodies (10) (10), the handling cylinder (3) is lifted upward, and the clearance between the handling cylinder (3) and the receiving net (4) is changed to be large. The degree of clogging of the grain culm between (3) and the receiving net (4) can be weakened.

Under such a condition, the handling barrel (3) may be rotated little by little to remove the jammed grain culms from the open upper part of the handling chamber (2). Since it separates from the net (4), the handling cylinder (3) can be easily rotated and can be performed by one worker.

When the work of clearing the clogging is finished as described above, the adjusting bolt (15) is rotated in the screw-retracting direction with respect to the bearing body (10), so that the bearing body (10) receives the net ( It is moved in a direction approaching 4) to return the gap between the handling cylinder (3) and the net (4) to an appropriate gap.

(Effect of the Invention) As described above, the present invention has the front and rear walls (2b) (2) of the handling room (2).
c) is provided with a support body (20) provided with a pair of guide rods (26) (26) facing each other and extending in the up-down direction, and the guide rods (26) (26) are provided with the above-mentioned center in the width direction. Bearing body (1) for supporting the handle barrel shaft (3b) of the handle barrel (3)
0) slidably supporting both side portions in the vertical direction, and a screw portion (15a) and an operation portion between the support body (20) and the upper center portion of the bearing body (10). Division (15
b), an adjusting body (15) for moving the bearing body (10) up and down by the thrust of the screw portion (15a) is provided, and the operating portion (15b) of the adjusting body (15) is provided on the support body. Since it is arranged on the upper part of (20), when the grain culm is clogged between the handling cylinder (3) and the net (4), the adjusting body (located at the center of the upper part of the bearing body (10) ( 15)
The screw portion (15) of the adjusting body (15) is operated by
While the bearing body (10) can be moved up with a light operating force by utilizing the thrust of (a), the bearing body (1) is
0) is supported by the pair of guide rods (26) and (26) slidably in the vertical direction, so that the bearing body (10) is supported on the bearing body (10) when the adjusting body (15) is rotated. It can be moved up smoothly without causing any koze, which makes it possible to smoothly operate the gap between the handling cylinder (3) and the net (4) without causing koze. The clogging of the grain culm can be easily released without changing the load on the receiving net, and the operation part (15b) of the adjusting body (15) is changed to the supporting body (2).
Since it is arranged on the upper part of (0), the operation part (15b) can be easily operated from the upper opening of the threshing part by opening the upper cover of the threshing part, and the operability can be improved.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional front view of an essential part showing an embodiment of a supporting structure of a handling cylinder in a screw type thresher of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a partially cutaway side view thereof, and FIG. FIG. 1 is a vertical side view of a screw thresher of the present invention. (2) …… Handling chamber (3) …… Handling barrel (3a) …… Screw blade (3b) …… Handling barrel shaft (4) …… Receiving net (10) …… Bearing body

Claims (1)

[Scope of utility model registration request] 1. A handling cylinder (3) having screw blades (3a) around it is rotatably supported in a handling chamber (2), and a receiving net (4) is provided below the handling cylinder (3). A support structure for a handling cylinder in a screw type thresher provided with a pair of guide rods (26) (26) extending vertically in opposition to front and rear walls (2b) (2c) of the handling chamber (2). Support (2)
0) and the guide rods (26) (26)
While supporting both sides of the bearing body (10) supporting the handling barrel shaft (3b) of the handling barrel (3) at the center in the width direction so as to be slidable in the vertical direction, the support body (20). ) And the central portion of the upper part of the bearing body (10), the screw portion (15a)
And an operating portion (15b), and an adjusting body (1) for vertically moving the bearing body (10) by the thrust of the screw portion (15a).
5), and the operating portion (15b) of the adjusting body (15) is arranged above the supporting body (20), the supporting structure of the handling cylinder in the screw type threshing machine.