JPH09225410A - Agricultural product sorter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and rapidly execute the adjustment work to meet the sizes of agricultural products with an agricultural product sorter which classifies and sorts the agricultural products by their sizes. SOLUTION: This device is constituted so as to consist of right and left frames 10, a revolving shaft 11 which is born no the right and left frames and many disks which is fitted onto this revolving shaft. In such a case, the revolving shaft 11 is formed of shaft ends 15, 16 to be born to the right and left frames 10 and a shaft part 17 of a U shape in the cross section for connecting these shaft ends. The disks 12 are fixed to the shaft part 17 by a driven cam 20 advanced from the shaft part 17. A guide rod 24 is supported at the right and left frames 10 below the revolving shaft 11 in parallel with the revolving shaft. Scrapers 25 which guide the respective disks 12 so as to hold the disks are respectively freely laterally movably mounted at this guide rod 24 and these scrapers 25 are connected to pantograph mechanisms 27. All the disks on the one revolving shaft are made settable simultaneously at the same intervals via the scrapers 25 by these pantograph mechanisms 27.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an apparatus for sorting agricultural products according to size.

[0002]

2. Description of the Related Art A device for sorting agricultural products according to size is simpler and cheaper than a device for sorting by weight. Therefore, it is not only used independently as a stationary device, but also for harvesters. It is installed. As a conventional device of this type, a potato sorting device shown in FIG. 1 is known. This device has left and right frames 10 and a plurality of left and right rotating shafts 11. The rotating shafts 11 are arranged in front and rear and are rotatably supported. Each rotating shaft 11 has a plurality of discs 12
Are fixed at equal intervals via a space adjusting ring 13, and the disks 12 fixed to the respective rotary shafts 11 are aligned in the front-rear direction.
This device is a system that divides potatoes by the front and rear rotating shafts and the rectangular gap between the front, rear, left and right disks. When each rotary shaft 11 is rotated in the same direction and potatoes are fed onto it, the potatoes are sent from the rear to the front, while those smaller than the gap fall from the gap, and only the large ones rotate this row of rotary shafts. pass.

Thus, the sorting device sorts potatoes according to the size of the voids. Generally, potatoes have a shape like a crushed ball, and the dimensions are length>width> thickness. Therefore, set the right and left width of the rectangular void to a predetermined potato thickness and select potatoes smaller than that. .

[0004]

DISCLOSURE OF THE INVENTION In order to select and classify potatoes with a conventional device, several kinds of rings 13 having different widths are prepared and the rings are adjusted according to the thickness of the potatoes to be classified. I had to. This adjustment is
First, remove all the disks 12 and rings 13 from the rotary shaft 11,
Prepare the required number of combinations of rings 13 that match the specified thickness,
Then, the disk 12 and the ring 13 are attached to the rotary shaft 11 again. Since this work has many parts and many iterative steps,
There is a problem that not only a lot of time and labor is required, but also the combination of rings is often mistaken and the work is restarted from the beginning. Especially, the one mounted on the harvester has a problem that the harvesting operation time is restricted by the adjusting work.

[0005]

In order to achieve the above-mentioned object, the means adopted by the present invention comprises left and right frames, a plurality of left and right rotating shafts rotatably supported by the left and right frames, and In a sorting device provided with a plurality of discs fitted onto a rotating shaft, an in-and-out member that can be moved in and out of the rotating shaft in one radial direction, and an in-and-out operation member that can operate the in-and-out member from the end surface of the rotating shaft. It is provided that the disk is fixed to the rotary shaft by advancing the loading / unloading member from the rotary shaft, and is retracted to release the disk from the rotary shaft. The rotating shaft is composed of a shaft end that is supported by the left and right frames and a U-shaped shaft that connects the left and right shaft ends. It is desirable to form the cam and the driven cam that engages with the driving cam and moves in and out in one radial direction from the opening of the U-shaped shaft portion.

Guide rods parallel to the rotary shafts are attached to the left and right frames below the rotary shafts, and scrapers for guiding the both side surfaces of the discs are sandwiched between the guide rods so as to be movable in the axial direction. All scrapers attached to the guide bars are preferably connected via a pantograph mechanism.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 2, the device of the present invention has a rotary shaft 11 bearing on the left and right frames 10 and an internal member 20 which is movable in and out in a radial direction, and which is installed in the middle of the rotary shaft 11. 11
A bolt and nut 22 as an in-and-out operation member for moving the in-and-out member 20 in and out of the uniaxial end portion 15 are provided. Axis of rotation
Since each disk 12 loosely fitted in 11 is fixed by the advancing / retracting member 20 and is released from the fixing by retreating, the rotary shaft 11 of each disk 12 on the rotating shaft 11 is simply operated by operating the nut 22. The fixed position of can be adjusted freely. Therefore, there is no need for a ring to adjust the distance between the discs, and as a result, it is not necessary to remove the discs from the rotation axis to adjust the distance between the discs, depending on the size of the agricultural product to be classified and sorted. The work of adjusting the left and right widths of the voids 14 can be performed easily and quickly.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The apparatus of the present invention will be described based on the embodiments shown in the drawings. As shown in FIGS. 3 and 5, the rotary shaft 11 is composed of shaft end portions 15 and 16 rotatably supported by the left and right frames 10 and a shaft portion 17 having a U-shaped cross section for connecting both shaft end portions. . A driving cam 18 that is slidable in the axial direction along the inner bottom of the shaft 17 and a driven cam 20 that engages with the driving cam 18 via a roller 19 are arranged inside the shaft 17. A bolt 21 is integrally provided at one end of the driving cam 18, and the bolt penetrates the shaft end 15 and an outer end surface thereof projects. The nut 22 is fitted to the bolt 21 protruding from the outer end surface of the shaft end portion 15,
When turning 22, the driving cam 18 slides in the axial direction. Driving cam
18 and the driven cam 20 have a prismatic shape, and a mountain-shaped cam groove 23 is formed on the opposing surfaces thereof, and the roller 19 is arranged in the mountain-shaped cam groove. When the driving cam 18 slides in the direction of arrow B, the chevron-shaped cam groove 23 causes the driven cam 20 to advance from the opening of the shaft portion 17 in the direction of arrow A through the roller 19, and when sliding in the opposite direction, the driven cam 20 opens. You can move in from here.

As shown in FIGS. 3 and 4, the shaft hole 29 of each disk 12 has the same shape and size as the shaft portion 17, and when the driven cam 20 advances from the opening of the shaft portion 17, each disk 12 is moved. Is integrally fixed to the shaft part 17,
When the driven cam 20 retracts, each disk 12 can slide on the shaft portion 17 in the axial direction. Guide rods 24 are attached to the left and right frames 10 below the rotary shafts 11 in parallel with the rotary shafts 11. The same number of scrapers 25 as the discs 12 on the rotating shaft are attached to the guide rods 24 so as to be slidable in the axial direction. Scraper 25
Has a forked shape, and guides the disk 12 so as to rotatably sandwich it. The lower end of each scraper 25 is pivotally attached to the upper end of each lever 28 of the pantograph mechanism 27 via a pin 26. With this pantograph mechanism 27, the disk 12
The intervals between them can be adjusted all at once and in the same width.

In this device, the nut 22 is turned to rotate the driven cam 20.
When the disk 12 is retracted into the shaft portion 17, the disk 12 can be freely moved in the axial direction, and when one disk 12 is operated, the pantograph mechanism 27 causes the other disks 12 to move at the same time. Since it is possible to move the disks so that all the disks have the same spacing, it is easy and quick to adjust the spacing of the disks 12 to the size of the produce for classification and classification. The interval can be set reliably without error.

[0011]

As described above, in the conventional apparatus, when adjusting the distance between the discs defining the size of the agricultural products to be classified and sorted, the disc and the gap adjusting ring must be removed once from the rotating shaft. Although the distance between the disks could not be adjusted, the device of the present invention is a method of fixing the disks to the rotary shaft by operating the loading / unloading member provided on the rotary shaft from the shaft end of the rotary shaft. , The conventional gap adjustment ring is not required, and the gap between the discs can be adjusted without removing the discs from the rotating shaft, which is an excellent effect that adjustment work can be performed easily and quickly. Play.

Further, when a guide rod is provided in parallel with the rotating shaft, a scraper for guiding each disk is provided on the guide rod so as to be movable in the axial direction, and the scraper can be simultaneously moved via a pantograph mechanism. Conventionally, the adjustment of all the disks on the rotary shaft can be performed simultaneously and in the same manner by operating only one disk, so that the adjustment can be performed more rapidly and the error can be surely adjusted. It has a special effect not found in.

[Brief description of drawings]

FIG. 1 is a plan view of a main part of a conventional potato sorting device,

FIG. 2 is a plan view of essential parts of a potato sorting device according to an embodiment of the present invention,

FIG. 3 is a vertical cross-sectional view of main parts of the potato selection device of FIG.

FIG. 4 is a view taken along the line IV-IV of FIG.

5 is a view taken along the line VV of FIG.

[Explanation of symbols]

 10: Frame, 11: Rotating shaft, 12: Disc, 13: Ring, 14: Air gap, 15, 16: Shaft end part, 17: Shaft part, 18: Driving cam (in / out member), 19: Roller, 20: Driven cam (in / out member), 21: Bolt (in / out operation member), 22: Nut (in / out operation member), 23: Cam groove, 24: Guide rod, 25: Scraper, 26: Pin, 27: Pantograph mechanism, 28: Lever, 29: Shaft hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hideo Mitsuzawa 1-2-5, West 22 North, Obihiro City, Hokkaido Toyo Agricultural Machinery Co., Ltd.

Claims (3)

[Claims] 1. A left and right frame (10) bearing a plurality of rotating shafts (11) arranged in front and rear, and a plurality of discs (12) fitted to each rotating shaft so as to be aligned in a front-rear direction. An agricultural product selection device for selecting agricultural products by a rectangular gap between the front and rear rotating shafts (11) and the front, rear, left and right discs (12),
A moving member (2) that moves in and out of the rotating shaft (11) in one radial direction.
0) and an in / out operation member (22) for operating the outer surface of one end of the rotating shaft (11) to move the in / out member (20) in and out, and when the in / out member (20) advances from the rotating shaft,
When the disc (12) is fixed to the rotary shaft and retracts,
The agricultural product sorting device, wherein the disc (12) is slidable on the rotary shaft. 2. A rotary shaft (11) comprising a pair of shaft ends (15, 16) that are supported by the left and right frames (10) and a shaft part (17) having a U-shaped cross section that integrally connects the shaft ends. ) Is formed, and a prismatic driving cam (18) and a driven cam (20) are formed on the shaft portion (17).
A bolt (21) is formed at one end of the driving cam (18) to project outward from the shaft end (15), and a nut (22) is externally fitted to the bolt to rotate the nut. The driven cam is operated to slide in the axial direction, whereby the driven cam (20) engaging with the driven cam is moved in and out from the opening of the shaft portion, and the driven cam (20) is advanced from the shaft portion. Then, the disc (12) loosely fitted to the shaft portion (17) is fixed to the rotary shaft, and the driven cam is retracted into the shaft portion,
The agricultural product sorting device according to claim 1, wherein the disc is slidable on the shaft portion. 3. The guide rods (24) are passed to the left and right frames (10) below the respective rotary shafts (11) in parallel with the respective rotary shafts, and the respective discs (12) are sandwiched between the guide rods. Guide scraper (25) Attached so that it can move left and right, 1
3. The agricultural product sorting device according to claim 1, wherein all the scrapers (25) on the one guide rod are connected via a pantograph mechanism (27).