JPH07110349B2 - Paddy sorting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] In the present invention, brown rice is selected from mixed rice after hulling by rotating a plurality of discs having a large number of recesses on the surface. The present invention relates to a hulling and sorting device.

[Conventional technology]

In the sorting cell, the rotary shaft is rotatably driven in a substantially horizontal direction, and the rotary shaft is provided with a plurality of donut-shaped discs each having a plurality of recesses on one side or both sides at an appropriate interval in the axial direction. The sorting cell is provided with a portion for supplying mixed rice of paddy and brown rice at one end in the axial direction and a portion for discharging paddy at the other end,
Moreover, a disc type brown rice sorting mechanism comprising brown rice gutters provided between the respective discs is disclosed in Japanese Patent Laid-Open No.
-136688.

Further, among the prior art as a depitting sorting device comprising a depitting mechanism for dehulling paddy and a cylindrical rotary brown rice sorting mechanism, Japanese Patent Application Laid-Open No. 59-90677 discloses an upper part of the removing mechanism. The paddy supply hopper provided in the above is disposed on one side of the rotary brown rice sorting mechanism, and the rotary shaft of the rotary brown rice sorting mechanism and the removing roll shaft of the removing mechanism are disposed at right angles to each other. Is disclosed.

[Problems to be solved by the invention]

Therefore, the paddy can be fed to the paddy feeding hopper only from one direction of the sorting apparatus, and enlarging the paddy feeding hopper has a defect that the entire apparatus is bulky.

This problem cannot be solved even if a disc type brown rice sorting mechanism is provided in place of the cylindrical rotary type brown rice sorting mechanism.

Further, if the removing roll shaft of the removing mechanism and the rotating shaft of the rotary brown rice sorting mechanism or the disc type brown rice sorting mechanism are arranged orthogonally to each other, there is a problem that the power transmission system of both becomes complicated. .

The present invention aims to solve this problem.

[Means for solving problems]

In order to achieve this object, the present invention provides: "A lower part of a roll-type removing mechanism, a wind-selecting section for scraped rice removed by the removing mechanism is provided at a position above the removing section. Each paddle feeding hopper with an open top surface to the removing mechanism is provided, and in this paddy feeding hopper, a plurality of discs having a large number of recesses on the surface on a substantially horizontal rotary shaft arranged in the sorting cell. And a disc-type brown rice sorting mechanism provided with brown rice gutters between the discs so that a part of the paddy supply hopper is opened to the side of the disc-type brown rice sorting mechanism. , A transfer mechanism for transferring the mixed rice after the wind selection to the disc type brown rice sorting mechanism is provided between the disc type brown rice sorting mechanism and the wind selecting section,
The rotating shaft of the disc type brown rice sorting mechanism is arranged substantially parallel to the removing roll axis of the removing mechanism. "

[Operation and effect of invention]

As described above, in the present invention, since the disc type brown rice sorting mechanism is provided in the paddy feeding hopper located at the upper part of the removing mechanism, compared to the case where the paddy feeding hopper and the disc type brown rice sorting mechanism are arranged in parallel. Even if the paddy feeding hopper is formed to have a large plan view shape, it does not become bulky and the entire apparatus can be downsized.

In addition, by providing the disc type brown rice sorting mechanism in the paddy supply hopper so that a part of the paddy feeding hopper is opened to the side of the disc type brown rice sorting mechanism, It is possible to feed the paddy from the opening on the side of the disc type brown rice sorting mechanism in the paddy rice feeding hopper, and even if the grain etc. leaks from the disc type brown rice sorting mechanism, it can be received by the paddy feeding hopper. There is no danger of leaking to.

Further, since the rotary shaft of the disc type brown rice sorting mechanism is arranged substantially parallel to the removing roll axis of the removing mechanism, there is an effect that the power transmission mechanism for both can be simplified.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. The hulling / sorting device 1 includes a roll-type removing mechanism 3 and a removing mechanism 3 in a box-shaped machine frame 2 that is long in the vertical direction and is substantially rectangular in a plan view. Mechanism 3
A wind selecting section 4 disposed below the paddle feeding mechanism, a paddy feeding hopper 6 disposed in an upper position of the removing mechanism 3 and having a rectangular shape in plan view, and a disc type brown rice sorting mechanism 5 located inside the paddy feeding hopper 6. And are provided.

The removing mechanism 3 includes a pair of left and right removing rolls 7 and the like, and the removing roll shaft 8 is rotationally driven by a motor 10 via a belt 9.

In addition, the wind selecting unit 4 is located under the removing mechanism 3 and separates the removed rice after removal into rice husks and mixed rice (mixed rice with unpolished rice). The mixed rice of No. 1 is sent to the disc type brown rice sorting mechanism 5 by a transfer mechanism. The wind selecting unit 4 has a grain board 11, a mixed rice gutter 13 with a spiral conveyor 12, and suction dust. The mixed rice thrower 15 for sending the mixed rice to the disc type brown rice sorting mechanism 5 is connected to one end of the mixed rice gutter 13 and the mixed rice thrower 15 and the suction dust collection fan. 14
Are driven to rotate by the motor 10.

In the disc type brown rice sorting mechanism 5, the sorting cell 16 in which at least the lower half is formed in a cylindrical shape is placed inside the paddy feed hopper 6 having a rectangular shape in plan view, and a part of the paddy feed hopper 6 is a part of the sorting cell 16. The sorting cell 16 is provided so as to be opened so as to open to the side, and the upper portion of the sorting cell 16 projects upward from the paddy supply hopper 6. Further, in this sorting cell 16, a side plate 16a at one end in the axial direction thereof is provided with a supply hole 17, and a side plate 16b at the other end is provided with a discharge hole 18, and the supply hole 17 is provided with:
While the tip of the mixed rice thrower 15 is opened, the discharge hole 18 is connected to a reflux shout 20 for returning the paddy discharged from the discharge hole 18 into the paddy supply hopper 6. Further, on the bottom surface of the sorting cell 16, a residual rice discharge valve 21 that opens into the paddy supply hopper 6 is provided so as to be openable and closable.

A rotary shaft 22 which is rotationally driven at an appropriate speed by the motor 10 is rotatably supported in the sorting cell 16 substantially parallel to the removing roll shaft 8. The rotary shaft 22 has brown rice on one side or both sides. A recess that is sized to fit but not paddy
A plurality of donut-shaped disks 24 in which a large number of 23 are engraved are provided at appropriate intervals in the axial direction (however, in the drawings,
Shown is the case where recesses 23 are formed on both sides of the disk 24).

In addition, each of the plurality of recesses 23 in each disk 24,
The disk 24 has an oval shape in which the circumferential length dimension is larger than the radial width dimension, and the radial width dimension is smaller than the brown rice length dimension and larger than the brown rice width dimension. On the other hand, of the left and right inner side surfaces in the longitudinal direction of each recess 23, the inner side surface located on the front side with respect to the disc rotation direction is set at an appropriate angle (for example,
It is formed on an inclined surface of about 15 degrees, and the length dimension from the intersection of the inclined inner side surface and the bottom surface of the recess to the other inner side surface is substantially equal to the length dimension of brown rice, and the length dimension is , Which is set to an intermediate length between the length of brown rice and the length of paddy,
Moreover, the depth of the recess is set to be approximately equal to the diameter of the brown rice.

The upper part between each disc 24, and the disc 24 and the sorting cell
The brown rice gutters 25 are respectively inserted in an inclined shape between the both side plates 16a and 16b of the 16 and each of the brown rice gutters 25 is a brown rice falling plate.
The structure is such that it communicates with a brown rice wind selecting section 28 with brown rice shout 27 through the upper surface of 26, and can be discharged to the outside of the apparatus 1 from a finished rice gutter with a conveyor coaxial with the spiral conveyor 12 through a finished rice thrower 29.

Reference numeral 30 is a cover body that covers the opening portion of the paddy rice hopper 6 on the side portion of the disc type brown rice sorting mechanism 5 in an openable and closable manner. The cover body 30 is divided into two or three places. May be.

Then, when paddy is fed into the paddy supply hopper 6 from the opening in the side portion of the disc type brown rice sorting mechanism 5 during the paddy sorting operation, the scraped rice removed by the stripping mechanism 3 becomes
In the wind sorting section 4, the rice husks are subjected to wind sorting so that they are sucked into the suction dust fan 14. The mixed rice from which the rice husks have been removed by the wind sorting enters the mixed rice trough 13 and is mixed with the mixed rice thrower 15 by a disc. It is supplied from the supply hole 17 into the sorting cell 16 in the brown rice sorting mechanism 5.

The mixed rice thus fed into the sorting cell 16 is lifted up to a certain height as shown by the dashed line arrow A in FIG. The discharge hole while flowing so as to drop
Transferred to 18.

During this flow, the brown rice in the mixed rice fits into the recesses 23 in each disk 24, is lifted to a high position, and then falls from the recesses 23 to be sorted into each brown rice trough 25.

The brown rice thus entered into each brown rice gutter 25 is subjected to finishing wind selection in the brown rice wind selecting section 28, and then to the finished rice thrower.
While it is taken out of the machine from 29, the discharge hole in the sorting cell 16
Mixed rice that moves while flowing toward 18
The rotation of 24 removes the brown rice so as to enter each brown rice receiving trough 25, so that the proportion of the paddy increases as it approaches the discharge holes 18, flows out into the paddy supply hopper 6 from the discharge holes 18, and is removed again. The action is performed.

As in the present invention, the disc type brown rice sorting mechanism 5 is provided in the paddy feeding hopper 6 so that a part of the paddy feeding hopper 6 is shifted to the side of the disc type brown rice sorting mechanism 5. By removing the cover body 30, the paddy can be freely supplied from this opening, so that the workability can be improved, while when the residual rice discharge valve 21 is opened after the work is completed, the mixed rice is fed to the paddy supply hopper 6. It can be easily recovered.

In addition, a disc type brown rice sorting mechanism 5 is provided in the paddy supply hopper 6.
Therefore, compared to the case where the disc type brown rice sorting mechanism 5 is arranged in parallel outside the paddy supply hopper 6,
The entire device does not become bulky, and the device can be made compact.

Further, by disposing the rotating shaft 22 of the disc selecting mechanism 5 in a state substantially parallel to the removing roll shaft 8 of the removing mechanism 3, the mechanism of power transmission to both can be simplified.

If the discharge tube 31 at the upper end of the finished rice thrower 29 is configured to be rotatable left and right, the finished rice can be taken out at an arbitrary position outside the machine.

[Brief description of drawings]

The drawings show an embodiment of the present invention. Fig. 1 is a vertical sectional front view of a hull sorting device, and Fig. 2 is a plan view. 1 ... hulling and sorting device, 2 ... machine frame, 3 ... stripping mechanism, 4
...... Wind selection part, 5 Disc type brown rice sorting mechanism, 6 ...... Rice feeding hopper, 7 …… Peeling roll, 8 …… Pulling roll shaft, 15 …… Mixed rice thrower, 29 …… Finishing rice thrower ,
16 …… Sorting cell, 17 …… Supply hole, 18 …… Discharge hole, 22 ……
Rotation axis, 24 …… disc, 23 …… concave, 25 …… brown rice gutter, 30 …… cover body.

 ─────────────────────────────────────────────────── --Continued from the front page (56) Reference JP-A-56-136688 (JP, A) JP-A-58-36686 (JP, A) JP-A-63-91180 (JP, A) JP-A-63- 62551 (JP, A) JP 63-39671 (JP, A) JP 63-39672 (JP, A) JP 63-44973 (JP, A) Jikken 33-2256 (JP, Y1) Actual public Sho 58-42064 (JP, Y2) Actual public 4-18714 (JP, Y2)

Claims (1)

[Claims] 1. A wind-selecting section for the scraped rice removed by the removing mechanism at a lower portion of the roll removing mechanism, and an upper surface opening to the removing mechanism at a position above the removing section. Each type of paddy feed hopper is provided, and in this paddy feed hopper, a plurality of discs having a large number of recesses on the surface of a substantially horizontal rotary shaft arranged in the sorting cell are provided at appropriate intervals, and A disc type brown rice sorting mechanism comprising brown rice gutters provided between the discs is provided so that a part of the paddy supply hopper is opened to the side of the disc type brown rice sorting mechanism. A transfer mechanism for transferring the mixed rice after wind selection to a disc-type brown rice sorting mechanism is provided between the wind-screening unit and the wind-selecting unit. Characterized by being arranged substantially parallel to the roll axis Hulling sorting apparatus.