JPS62168579A - Cylindrical type selector for rice huller - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a cylindrical sorting device for a rice huller.
To facilitate cleaning of a sorting tube after sorting.

Prior Art A rotating sorting tube is tilted after sorting to eliminate residual particles in the sorting tube.

Problems to be Solved by the Invention If such a sorting cylinder is simply tilted in the axial direction, residual grains cannot be discharged because the inner peripheral surface of the sorting cylinder has four parts for sorting. hard.

Means for Solving the Problems This invention includes a sorting tube (2) that receives the peeled rice that has been peeled off by the hulling device (1) and separates it into brown rice and paddy while rotating.
Structure of a cylindrical sorting device for a huller, which is operable to tilt downward in the flow direction of sorted grains, and operates a cleaning device (3) that cleans the inner circumferential surface of a sorting tube (2) by this inclination. shall be.

Functions and Effects of the Invention During hulling work, when the hulled rice that has been hulled by the hulling device (1) is supplied to one end of the rotating sorting tube (2), this sorting tube (2)
The brown rice that is shifted toward the rotating side of the cylinder and settles to the bottom layer is transferred to the sorting cylinder (
2) The paddy is scooped up onto the inner circumferential surface and lifted up, and the paddy is sorted and taken out by the brown rice receiving trough in the sorting tube (2), and the paddy is taken out from the terminal end of the sorting tube (2). After the sorting process of sorting the polished rice into paddy and brown rice is completed, the sorting tube (
2) is tilted in the axial direction to discharge the residual grains inside, and the cleaning device (3) is operated as the sorting tube (2) is tilted, and the sorting device is moved to the inner peripheral surface of the sorting tube (2). The remaining particles can be swept away and swept toward the lower end of the slope to eliminate the remaining particles, and together with the inclined surface of the sorting tube (2), the remaining particles can be smoothly removed and cleaned, and the cleaning device (3) By being linked with the inclination of the tube (2), it can be activated only when necessary.

Embodiment In the illustrated example, the huller has a pair of dehulling rolls (4
) (5), and a husking device (1) consisting of a funnel (6) for supplying paddy between these husking rolls (4) and (5), A sorting tube (2) that receives the removed rice and transfers and sorts it while rotating, and a brown rice sorting gutter (2) located in the center of this sorting tube (2) that receives the brown rice to be sorted.
7), and a sorting device consisting of a mixed rice sorting shelf (8) for receiving mixed rice consisting of brown rice and paddy. There is also a brown rice sorting air path (9) for wind-selecting the rice that has been washed out by these dehulling devices (1), and a brown rice sorting wind that wind-sorts the brown rice that has been sorted in the sorting tube (2). duct (10), and each of these sorting air ducts (9) and (10) is connected in series to a suction dust extractor (1
1). A sliding rice receiving gutter (12) is provided below the sliding rice sorting air passage (9), and between this sliding rice receiving gutter (12) and the mixed rice sorting shelf (8) in the sorting tube (2). grain frying machine (13
) is provided to transfer and supply the polished rice into the sorting cylinder (2). Below the brown rice sorting air channel (10) is a brown rice catcher (
14), and a grain lifting machine (15) for taking out one end of the brown rice receiving trough (14) outside the machine.

The sorting tube (2) has a cylindrical shape and has a recess on its inner circumferential surface into which brown rice or paddy grains can fit. While scooping up the brown rice, scoop up the most part of the brown rice, scoop up the mixed rice of paddy and brown rice in the middle, and feed the rice inside this sorting tube (2) while letting the paddy flow downward in the middle. This allows sorting to be done while moving from one end to the other.

The mixed rice sorting shelf (8) is provided with a spiral (1B) that transfers the scraped rice supplied from the front end side, which is the scraping device (1) side, to the rear side, and the rear end is connected to the sorting tube (2). It opens in the rear end of the. A mixed rice sorting plate (17) for receiving the mixed rice scooped up by the sorting tube (2) is provided on the rotation direction side of the sorting tube (2) over the entire length.

The brown rice sorting gutter (7) is provided with a spiral (31) for transferring brown rice from the rear end toward the front end, and a brown rice sorting plate (18) is provided above the mixed rice sorting plate (17). This brown rice sorting gutter (
7) has its front end visible above the brown rice sorting gutter (7).

- The front end of the sorting tube (2) is equipped with grain lifting blades (1) on the inner peripheral surface.
A grain lifting cylinder (20) in which the grain lifting cylinder (20) is arranged is provided, and
A paddy funnel (6) and a single-weight receiving trough (21) are installed at the upper limit position of the rotational inner circumference of 0) to receive the paddy from the end of the sorting tube (2) and return it to the husking device (1). It is configured to be removable.

Sorting cylinder (2), brown rice sorting gutter (7), and mixed rice sorting shelf (
8), the sorting case (22) that supports the sorting tube (2) is tilted forward by raising its rear end side about the support shaft (23) at the front end with respect to the lower sorting machine frame (24). By tilting the sorting cylinder (2) at a fixed position, the motor (
25), the pinion shaft (2B),
Then, the worm gear mechanism (32) is rotated to rotate the rotating arm (27) relative to the sorting machine frame (23), and the arm (28) rotatably provided on the sorting case (22) is rotated. These pivot arms (27) are pivotally connected to the pivot arms (27).
The sorting case (27) and the arm (28) are opened and closed.
22) can be tilted or returned to a horizontal position.

A switch (29) is provided between the sorting case (22) and the sorting machine frame (23), and a blower that blows air toward the front of the inner peripheral surface of the sorting tube (2) is connected to the rear end of the sorting case (22). The switch (29) is turned on by the tilt of the sorting case (22) to electrically blow air, and when the sorting case (22) returns to a horizontal position, the switch (29) is turned on. ) is turned off and the blower stops.

This cleaning device (3) uses a rotating sorting cylinder (2) instead of a blower.
) may be used as a brush roll that rotates along the central axis direction of the inner circumferential surface of the sorting tube (2), and may be provided in such a manner that it can rotate with the inclination of the sorting tube (2) and come into contact with the inner circumferential surface of the sorting tube (2).

The drive shaft (30) that rotates the sorting tube (2) and each spiral (31), (16), etc. are connected to the transmission shaft (3) on the support shaft (23).
3) so that the rotation is transmitted from the transmission part on the scraping device (1) side.

The paddy supplied to the paddy funnel (6) is passed through the dehulling rolls (4) (5
), the rice is husked between the rice crackers, and the rice is sorted through the wind route (9).
The mixed rice is sorted by wind, and is supplied from the sliding rice receiving trough (12) to the mixed rice sorting trough (8) by the grain frying machine (13), and then fed into the rear end of the rotating sorting cylinder (2) from the rear end. Ru. The rice in the sorting tube (2) is brown rice that sinks to the bottom layer, and the rice in the sorting tube (2) is
The brown rice is fitted into the four parts of 2) and scooped out, and the brown rice is received by the brown rice sorter (7) and transferred to the front side. Further, the mixed rice is sorted into the mixed rice sorting gutter (8), transferred to the rear end again, returned to the sorting tube (2) from the rear end, and re-sorted. Sorting tube (
2) The paddy transferred to the terminal end is fried by the grain hoist (20) into the receiving trough (21), returned to the threshing device (1), and threshed again.

The sorting cylinder (2) rotates the rotary arm (27) via the worm gear mechanism (32) by the rotational drive of the motor (25), and rotates the sorting case (22) via the arm (28) on the support shaft (23). ) to adjust the tilt angle. When the downward inclination angle of the sorting tube (2) toward the front side increases together with the sorting case (22), the sorted grains within the sorting tube (2) can be easily moved, and the efficiency of sorting can be improved.

When the sorting tube (2) is tilted steeply beyond the range of sorting adjustment, the switch (29) is turned on and the cleaning device (3) is driven to remove the adhering residual particles from the inner peripheral surface of the sorting tube (2). , it can be swept out towards the front end in this sloping direction for cleaning.
During this cleaning, it is advisable to leave the sorting tube (2) in the rotation transmission mode. When the sorting cylinder (2) is returned to a horizontal position, the switch (29
) is cut into a cleaning device i! This is to cut off the drive of i (3).

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which FIG. 1 is a side sectional view, FIG. 2 is a partially operational side view, and FIG. 3 is a partially front sectional view. In the figure, code (1) is a scraping device, (2) is a sorting cylinder, and (3)
indicates a cleaning device.

Claims (1)

[Claims] A sorting cylinder (2) that receives the peeled rice that has been peeled off by the hulling device (1) and separates it into brown rice and paddy while rotating is provided so as to be freely operable so as to be tilted downward in the flow direction of the sorted grains. A cylindrical sorting device for a rice huller that operates a cleaning device (3) that cleans the inner peripheral surface of a sorting tube (2) by tilting it.