JPH089767A - Structure of paddy discharge port operation part of paddy receiver - Google Patents

Abstract

(57) [Summary] [Purpose] A shutter and a discharge cylinder provided below the lower opening of a paddy hopper that discharges paddy into a paddy bag can be effectively rotated by a single operating lever with good workability. In the paddy receiving device, which is configured by vertically arranging a discharge tube 4 having a shutter 3 which can be rotated about a fulcrum shaft 2 and which can be rotated around the lower opening 1 of the paddy hopper A, the paddy hopper. A guide locking groove 7 that allows the operating lever 6 to move vertically and laterally to be locked is formed on the support frame plate 5 installed on the front side of A. Is a shutter rotation operation lever 8 that can rotate the shutter 3 and a discharge tube rotation operation lever 9 that can rotate the discharge tube 4 are arranged side by side.
The operation lever 6 is moved or locked in the guide locking groove 7 so that the shutter rotation operation lever 8 and the discharge tube rotation operation lever 9 are simultaneously operated, and only one shutter rotation operation lever 8 is operated. Is configured to be selectively rotatable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a paddle discharge port operating portion of a paddy receiving device for rotating a shutter and a discharge tube provided under a lower opening of a paddy hopper for discharging paddy into a paddy bag.

[0002]

2. Description of the Related Art Conventionally, in a paddy receiving device, which is constructed by vertically arranging a discharge tube in which a shutter which can be rotated about a fulcrum shaft and which can be rotated is vertically installed below a lower opening of a paddy hopper. As shown in FIGS. 1 to 5 of Japanese Patent Publication No. 23433, a discharge tube having a rotatable paddy quantity control valve also serving as a shutter is rotatably provided and hung vertically below a lower opening of a paddy hopper. However, there is a known paddy discharge structure that allows the paddle volume control valve to be closed and the discharge tube to be rotated upward so that the paddy bag can be easily removed from the paddy bar and to be hung on the bag. There is.

[0003]

However, in such a structure, when the paddy bag is removed from the paddy bar or is hung on the bag, the paddy quantity control valve and the discharge cylinder are separately and sequentially operated by respective operating levers. , It has to be operated and rotated, the operation is very troublesome and the workability is poor, and it is difficult to operate because it is necessary to operate each operation lever under the paddy hopper. ing.

[0004]

The present invention solves such a problem as a problem, and enables the rotation of the shutter and the discharge tube to be effectively operated by a single operation lever. In a rice hull receiving device configured by vertically arranging a discharge tube in which a shutter which can be rotated about a fulcrum shaft and is rotatable is installed below a lower opening of the hopper, a support frame plate erected on a front side of the rice hopper. Is formed with a guide locking groove for moving and locking the operating lever in the vertical and horizontal directions, and a shutter rotating operation capable of rotating the shutter inside the support frame plate. A shutter lever and a discharge cylinder rotation operation lever capable of rotating the discharge cylinder are installed side by side, and the operation lever moves in the guide locking groove or is locked to operate the shutter rotation operation. Lever and Only out cylinder rotating operation lever the To simultaneously one shutter rotation operation lever is those constituted selectively rotatable operation.

[0005]

Therefore, the operation lever can be easily and quickly operated in front of the front side of the paddy hopper, which is separated from the lower opening of the paddy hopper, and when the paddy bag is full, the guide lever is first moved in the guide locking groove. By locking while moving, it is possible to rotate only the shutter rotation operation lever to rotate the shutter to close, and then move the operation lever in the guide locking yard to release the discharge cylinder. While rotating the rotation operation lever, it is possible to rotate the raising bag on the front side of the paddy hopper to raise it so that the paddy bag can be easily removed from the paddy bar or hung on the bag. , By locking the operation lever while moving in the guide locking yard, the shutter rotation operation lever and the discharge tube rotation operation lever are simultaneously rotated, and the shutter is operated. The over to open, it can be in the paddy receiving state supposed to be capable of respectively rotating the chimneys downward.

[0006]

EXAMPLE FIG. 2 is a side view showing an essential part of an example of the present invention. The paddy hopper A is erected on the lateral side of the threshing part of the combine so that the front side faces the lateral outer side of the machine body. Below the lower opening 1 of the funnel-shaped paddy hopper A, two paddy bars 14, 14 capable of attaching and removing the paddy bag B from the front side of the paddy hopper A are installed on both sides. Configure similarly.

A fulcrum shaft 2 is provided at the bottom of both side plates 15a and 15b which are hung from both sides of the lower opening 1 of the paddy hopper A in parallel.
And the lower opening 1 is formed in a circular arc shape in a side view so as to form a concentric circle around the fulcrum shaft 2.
A discharge tube 4 having a quadrangular cross-section that hangs downwardly is loosely rotatably fitted to the fulcrum shaft 2, and the outer peripheral surface portion 4a of the discharge tube 4 on the upper side.
Is formed in a circular arc shape in a side view similar to the circular arc shape of the lower mouth 1, the upper end surface of the discharge cylinder 4 is opened, and the upper end portion is closed by the end face plate 4b, and the lower outer circumference of the outer peripheral surface portion 4a of the discharge cylinder 4 is closed. An engagement piece 16 is fixed to the surface, and the discharge cylinder 4
A shutter 3 fixed to the fulcrum shaft 2 via bosses 17, 17 is installed inside, and an outer peripheral surface portion 3a serving as a shutter surface of the shutter 3 includes an outer peripheral surface portion 4a of the discharge cylinder 4 and a lower opening of the paddy hopper A. A collar 1 which is formed in a circular arc shape in a side view and is loosely fitted to the fulcrum shaft 2 in a manner similar to the circular arc shape of 1.
The shutter 3 is elastically biased toward the closing side below the lower opening 1 by a return spring 13 wound around 0.

A rubber boot 12 having a support frame plate 24 attached to an upper outer periphery thereof is slidably fitted to a lower portion of the discharge cylinder 4, and an upper end edge 12a of a rear half of the boot 12 is attached.
Is formed in a cutout shape lower than the upper edge 12b of the front half circumference so that the boot 12 does not get twisted when rising, and pins 12c, 12c extending upward from both sides of the boot 12 are provided with pins at the top. 18 and 18 are fixed respectively, and the central portions of bell crank type rotating arms 19 and 19a are fixed to the collar 10 and the collar 10a loosely fitted to the other end of the fulcrum shaft 2, respectively. Both of the extending pieces 12 are provided in the long holes 20, 20 formed at the ends of the one ends of the both rotating arms 19, 19a.
Pins 18 and 18 on the upper portions of c and 12c are fitted to each other, and driven arms 22 and 22a are fixed to both ends of a support shaft 21 which is horizontally mounted between the lower rear portions of both side plates 15a and 15b. The arms 22 and 22a and the other ends of the two rotating arms 19 and 19a are interlocked with each other.
and a return spring 11 interposed between the support shaft 21 side and the rotating arm 19 side so that the boot 12 and the discharge cylinder 4 can be elastically biased upward. Configure.

Below the front side of the paddy hopper A is shown in FIG.
As shown in FIG. 3 and FIG.
A supporting frame plate 5 located rearward from the front side front surface of the paddy hopper A to the lower mouth 1 side in a side view, above the right side of
A shutter rotation operation lever 8 and a discharge cylinder rotation operation lever 9 are installed side by side on a lateral support shaft 25 mounted inside the support frame plate 5, and the lever 8 and the fulcrum shaft 2 are provided. The driven arm 26 fixed to the tip side of the collar 10 is linked and linked by the link rod 27, and the lever 9 and the driven arm 28 fixed to the tip side of the collar 10 are linked and linked by the link rod 29. A compression spring 30 is interposed between the shaft 8 and the tip of the support shaft 25, and the lever 8 is movably attached to the end of the support shaft 25.

Further, the support shaft 2 is provided at an intermediate portion of the support shaft 25.
The cylinder 31 that is orthogonal to 5 is fixed, and the cylinder 31
The lower end portion of the lever 9 is fixed to the side surface of the support shaft 25, and the frame 32 having the base portion 6a of the operation lever 6 fixed to the upper surface is attached to the support shaft 25.
The operation lever 6 and the frame body 32 are provided so as to be rotatable around a pin 33 fitted and inserted in the barrel metal 31, and the support piece 34 and the frame body 32 that are vertically installed from the operation lever 6 A vertical plate member 35 is mounted between the front and the front of the plate member, and the upper surface is an inclined surface 36a and the lower surface is a horizontal surface 36b, as shown in FIG. A chevron-shaped protruding plate 36, which may be formed of a spring plate, is fixed to the protruding plate 36.
Can contact the lower end extension portion 8a of the lever 8.

A guide locking groove 7 for guiding the movement of the operating lever 6 is formed in the upright front surface 5a of the support frame plate 5, and the guide locking groove 7 is, as shown in FIG. A horizontal groove 7c for locking is formed laterally to the lower end of the vertical groove 7a elongated in the vertical direction so that the horizontal groove 7c for locking is slightly elevated and communicates with each other with the upper protruding portion 7b as a boundary.

Therefore, as shown in FIG. 11, the lower end extending portion 8a of the shutter rotation operating lever 8 is below the horizontal surface 36b of the projecting plate 36 and is located at the P ₁ position above the vertical groove 7a. When 6 is rotated to the lower P ₂ position about the support shaft 25 as shown by the arrow a, the shutter rotation operation lever 8 and the discharge tube rotation operation lever 9 are pulled against the return springs 13 and 11. Therefore, the operation lever 6 can be rotated from the P ₂ position to the P of the lateral groove 7c.
_When it is rotated laterally about the pin 33 to the ₃ position, as shown in FIG.
11, the lower end extending portion 8a of the lever 8 remains engaged with the horizontal surface 36b of the projecting plate 36, and the shutter 3 is locked while both levers 8 and 9 are locked.
It is possible to move the discharge cylinder 4 and the boot 12 downward while opening the discharge cylinder 4, and as shown in FIG. 2, the discharge cylinder is located inside the opening of the paddy bag B suspended from the paddy bar 14.14. The lower part of 4 and the boot 12 can be put in to receive paddy.

When the paddy bag B is full, the operating lever 6 located at the P ₃ position of the lateral groove 7c is rotated to the P ₄ position about the pin 33 as shown by the arrow B, and virtual lines are shown in FIGS. As shown by, the lower end extension portion 8a of the shutter rotation operation lever 8 is separated from the horizontal surface 36b of the projecting plate 36, and the locking of the lever 8 is released. The lower end extending portion 8a of the lever 8 which is pulled by is rotated so as to move in the direction of arrow C as shown in FIG. 13, so that the driven arm 26 and the fulcrum shaft 2 rotate together. Shutter 3
Is rotated about the fulcrum shaft 2 and the outer peripheral surface 3a of the arc shape serving as the shutter surface is aligned with the lower peripheral opening 1 of the paddy hopper A along the arc outer peripheral surface 4a of the discharge cylinder 4 so as to match the paddy. The lower opening 1 can be closed satisfactorily as shown in FIG. 14 without being bitten in, and the lower opening 1 can be closed satisfactorily. By operating the operation lever 6 from the front side of the front of the paddy hopper A, the discharge is performed. With the lower part of the tube 4 and the boots 12 contained in the paddy bag B, the shutter 3 can be closed first so that the paddy does not spill.

Next, when the operation lever 6 at the P ₄ position of the lateral groove 7c is rotated in the direction of the reverse arrow B around the pin 33 to the P ₂ position on the lower end side of the vertical groove 7a, as shown in FIGS. At this point, the protruding plate 36 is positioned below the lower end extension portion 8a of the lever 8 which has already rotated upward, and the locking of the discharge tube rotation operation lever 9 is released. The pulling force of the return spring 11 causes the operation lever 6 to move in the vertical groove 7
Although it moves up in the direction of arrow a in the reverse arrow a, during the upward movement, as shown in FIG. As shown in FIG. 18, when the operating lever 6 moves up in the vertical groove 7a part way, it is rotated by the return spring 11 as shown in FIG. By the rotating arms 19 and 19a, first, until the boot 12 collides with the engaging piece 16, the paddy in the boot 12 is lifted vertically upward so as not to spill, and the rotating arm 19 is further rotated. , 19a, the discharge cylinder 4 is rotated around the fulcrum shaft 2 together with the raised boot 12, so that the arc-shaped outer peripheral surface portion 4a of the discharge cylinder 4 is separated from the arc-shaped outer peripheral surface portion 3a of the shutter 3 and the paddy hopper A. Arc shape While along the bottom port 1, will be able Moreover rotate smoothly without Dari caught paddy, as shown in FIG. 19, the operating lever 6 is longitudinal grooves 7a
When it is rotated to the P ₁ position of the upper end of the rice paddle B, the discharge tube 4 and the boot 12 are lifted upward on the front side of the paddy hopper A so that the paddy bag B can be easily removed from the paddy bar 14, 14 and can be easily hung on the bag. be able to.

It should be noted that the support frame plate 5 is installed at a portion that does not interfere with the paddy receiving work, and the operating lever 6 can be easily and quickly operated in front of the paddy hopper A on the front side.

[0016]

As described above, according to the present invention, the operation lever 6 can be easily and promptly operated in front of the front side of the paddy hopper A, which is separated from the lower part of the lower opening 1 of the paddy hopper A, to further improve the operability. When the paddy bag is full, the operation lever 6 is first locked while moving in the guide locking groove 7, whereby only the shutter rotation operation lever 8 is rotated and the shutter 3 is closed. Then, the operation lever 6 is moved in the guide locking groove 7 to rotate the discharge tube rotation operation lever 9 and remove the paddy bag from the paddy bar. The discharge tube 4 can be rotated upward on the front side of the paddy hopper A so that it can be easily hung on a bag, and the operation lever 6 can be locked while moving in the guide locking groove 7. Do Thus, the shutter 3 can be opened and the discharge tube 4 can be rotated downward while the shutter rotation operation lever 8 and the discharge tube rotation operation lever 9 are simultaneously rotated to set in the paddy receiving state. In addition, it has a feature that it can be effectively operated by one operation lever 6 and the workability can be further improved and can be suitably implemented.

[Brief description of drawings]

FIG. 1 is a side view showing a partial cutaway of a main part of an embodiment of the present invention.

FIG. 2 is a side view showing a main part.

FIG. 3 is a front view showing a part of the main part omitted.

FIG. 4 is a plan view schematically showing a part of FIG.

FIG. 5 is a side view schematically showing a part of FIG.

FIG. 6 is a side sectional view showing a part of FIG.

FIG. 7 is a side view showing a boot.

FIG. 8 is a side view showing a part of FIG. 1 in an enlarged manner.

FIG. 9 is a side view showing a part of FIG. 5 in an enlarged manner.

FIG. 10 is a front view showing a part of FIG.

11 is a sectional view showing a section taken along line XI-XI of FIG.

FIG. 12 is an operation explanatory view showing a part of the operation state of FIG. 4;

FIG. 13 is an operation explanatory view showing the operation state of FIG. 11.

FIG. 14 is an operation explanatory view showing the operation state of FIG. 1;

FIG. 15 is an operation explanatory view showing the operation state of FIG. 4;

16 is an operation explanatory view showing an operation state of FIG.

FIG. 17 is an operation explanatory view showing the operation state of FIG. 16;

FIG. 18 is an operation explanatory view showing the operation state of FIG. 5;

FIG. 19 is an operation explanatory view showing the operation state of FIG. 18;

[Explanation of symbols]

 A paddy hopper 1 lower opening 2 fulcrum shaft 3 shutter 4 discharge cylinder 5 support frame plate 6 operation lever 7 guide locking groove 8 shutter rotation operation lever 9 discharge cylinder rotation operation lever

Claims (1)

[Claims] 1. A paddy receiving device comprising a discharge tube 4 vertically installed below a lower opening 1 of a paddy hopper A, the shutter 3 being rotatable about a fulcrum shaft 2 and rotatable. The support frame plate 5 provided on the front side of the paddy hopper A is provided with a guide locking groove 7 for locking the operation lever 6 by moving it in the vertical direction or the horizontal direction. A shutter rotation operation lever 8 capable of rotating the shutter 3 and a discharge tube rotation operation lever 9 capable of rotating the discharge tube 4 are installed side by side inside the operation lever. 6 is moved or locked in the guide locking groove 7 so that the shutter rotation operating lever 8 and the discharge tube rotation operating lever 9 are simultaneously activated, and only one shutter rotation operating lever 8 is selectively operated. Characterized by being configured so that it can be rotated The structure of the paddy outlet operation part.