JPS61133175A - Spiral conveyor for vertical type selector - 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 Field of the Invention The present invention relates to a spiral conveying device for a vertical sorting device that is easy to process and assemble, is lightweight, and can be manufactured at low cost.

Prior art and its problems In general, this type of vertical sorting device is manufactured by processing a spiral blade from a metal material, winding the spiral blade around the circumferential surface of an iron cylinder and welding it, and then A spiral body is used, which is integrally formed by inserting a vertical shaft into the body, but this spiral body requires a lot of time and effort to process and assemble, making the production cost high, and it is also large and critical. This had problems such as making transportation, assembly, installation, etc. inconvenient.

Purpose of the Invention In view of the above points, the present invention eliminates the drawbacks of the conventional device described above by connecting a plurality of helical cylinders molded from synthetic resin material in a polymerized manner to form a helical body.
The object of the present invention is to provide a helical conveyance device for a vertical sorting device that is large but light and easy to transport, assemble, and install, and that also reduces manufacturing costs and that reliably performs a highly accurate sorting action. shall be.

Structure of the Invention The helical conveying device of the vertical sorting device of the present invention has a porous wall sorting tube rotatably installed in a vertical machine frame, and a spiral body fitted inside the sorting tube so as to rotate. and feeding large and small mixed grains into the spiral body from the upper or lower part of the porous wall sorting cylinder, ejecting the small grains out of the sorting cylinder, and discharging the large grains from the lower or upper part of the sorting cylinder. The apparatus is characterized in that a helical cylinder having a helical blade wound around its circumferential surface is molded from a synthetic resin material, and a plurality of the helical cylinders are connected together in a superposed manner to form the helical body. It has a configuration that

Description of examples The configuration of the present invention will be explained based on the drawings.

In FIG. 1, reference numeral 1 denotes a vertical machine frame, and a rotary disk body 3 having a circumferential side wall 2 is provided at the inner bottom of the machine frame 1, and a main shaft provided at the center of the disk body 3. A rotary main shaft 5 is loosely fitted into the through hole 4, a spiral body 6 is mounted on the main shaft 5, and a porous wall sorting tube 7 is rotatably provided on the rotary disk body 3 to allow the machine to operate. A mixture of large and small grains is supplied from a supply hopper 8 provided at the top of the frame 1 to the spiral body 6 to produce small grains (111 grains).
This is a vertical sorting device configured to discharge only large grains (sized grains) from the bottom of the sorting tube 7 and to discharge only large grains (sized grains) from the bottom of the sorting tube 7.

The spiral body 6 is composed of a plurality of spiral cylinders 9..., an upper lid 10, a lower bottom plate 11, etc.
(See Figure 2) The illustrated spiral cylinder 9 has a spiral 1 on its circumferential surface.
112 is wound and provided, and a plurality of protrusions 14 with connecting holes 13 are provided on the inner wall surface, and a fitting protrusion 15 is provided at the upper end of the spiral cylinder 9, and a fitting protrusion 15 is provided at the lower end of the spiral cylinder 9. It has a shape in which a fitting groove 16 is provided at each end of the cylinder, and is integrally molded with synthetic resin, and the upper cover plate 1
0 has a plurality of connecting holes 17... on its plate surface, and has a rotating vertical shaft 18 erected in its center, and the lower bottom plate 11 has a plurality of connecting holes 17 on its plate surface. 19..., and a rotation locking part 20 consisting of a polygonal opening is provided in the center thereof, a plurality of the spiral cylinders 9... are superposed, and the superposed cylinders 9... The upper cover plate 10 is attached to the upper part of the upper cover plate 10, and the lower bottom plate 11 is attached to the lower part of the upper cover plate 10, and the lower bottom plate 11 is attached to the upper part of the cover plate 10, and the lower bottom plate 11 is attached to the lower part of the cover plate 10.

Further, the rotational main shaft 5 is equipped with a rotation locking body 22 made of a protruding body having a polygonal base on its upper end shaft. The provided rotation locking portion 20 is engaged and detached freely, and the (first
(See figure) The lower end shaft portion of the rotating main shaft 5 is integrally attached to the high-speed rotation gear 25 of the gear rotation mechanism 24 provided in the lower base 23, and the shaft is slidably rotatable around the outer periphery of the rotating main shaft 5. A lower end cylinder portion of the shaft cylinder portion 26 is integrally connected to the low speed rotation gear 27 of the gear rotation mechanism 24, and an upper end cylinder portion of the shaft cylinder portion 26 is connected to the disk body 3. It is removably attached to the peripheral edge of the main shaft through hole 4 provided in the main shaft with a screw shaft or the like, and a porous wall sorting tube 7 is fitted to the rotary disk body 3 and removably attached by a locking part, Gear rotation mechanism 2 by electric m2B
4, the spiral body 6 and the porous wall sorting tube 7 are rotated at a true speed relative to each other, and the supply hopper 8 is removably attached to the upper part of the vertical machine frame 1 by means of a mounting bracket 29. A shaft bearing part 31 is fixed inside the hopper 8 by a fixing support rod 30, and the vertical shaft 18 of the spiral body 6 is rotatably supported by the shaft bearing part 31 so that it can be freely attached and detached. The stirring piece provided on the lower surface of the spiral blade 12, 33 in FIG.
Reference numeral 4 denotes a blade for scraping out fine particles provided at the lower end of the sorting cylinder 7, 35 a blade for scraping out fine particles provided on the lower wall surface of the rotary disc body 3, 36 a fine particle discharge port, and 37 The grading discharge port 38 is the upper support rod of the sorting cylinder 7.

The operation of the above configuration will be explained below.

When a mixture of large and small grains is supplied to the feed hopper 8 of a vertical sorting device and the device is started, the porous wall sorting cylinder 7 and the spiral body 6 rotate in the same direction at different speeds, so that the mixed grains are fed. The grains flow down from the hopper 8 and flow onto the spiral blades 12 of the inclined spiral body 6 to form a grain layer, and each grain receives centrifugal force due to contact with the spiral blades 12 rotating at high speed. 7, the small grains are thrown away into the fine grain chamber 33 through the holes in the porous wall sorting tube 7, and the large grains (sized grains) are sorted through a sorting machine that rotates at a low speed. ! ! 7 and due to the contact force, the flow revolves in the opposite direction and drifts in an avalanche shape, and this drift in the opposite direction and the stirring piece 3
The small grains mixed in with the grains replaced by the stirring force in step 2 are
Next, due to the centrifugal force applied, the particles are discharged from the through hole and flowed down into the fine particle chamber 33 in the same manner as described above, and the particles on the spiral blade 12 gradually move obliquely downward due to the rotational force of the spiral body 6. While rotating inside the porous wall sorting cylinder 7, the grains are accumulated at the bottom of the cylinder, and are conveyed by the rotation of the blades 35 and taken out of the machine from the particle size discharge port 37, and small grains in the fine grains 33 are separated from the blades. 34 and removed from the machine.

FIG. 3 is a sectional view of a second embodiment of the spiral body, in which spiral cylinders 9A are stacked in multiple stages, and the lower bottom plate 11A is formed in a double structure. This lower bottom plate 11A has a gate-shaped inner bottom plate 39 provided with a rotation locking part 2OA consisting of a polygonal opening in the center of the plate surface, and a plurality of connecting holes 19A in the edge of the plate layer. and an outer cylinder 42 which is provided with a protrusion 40 that fits into the fitting groove 16 provided at the lower end of the spiral cylinder 9 at its upper end, and a vault insertion tube 41 into which the tightening vault 21 is inserted. are integrally formed by fitting together.

FIG. 4 is a sectional view of a third embodiment of the spiral body, in which a vault fixing plate 44 for locking and fixing the tightening vault 43 is provided on the plate surface of the lower bottom plate 11B, and the upper lid body 1
A shaft cylindrical portion 45 into which a tightening bolt 43 is inserted is integrally provided in 0B, and the spiral body is integrally fixed by tightening the vertical axis center portion with a single tightening bolt 43.
Therefore, the assembly and disassembly work can be carried out extremely easily.

Further, a case is shown in which a plurality of stirring rods 46 are provided between each of the spiral blades 12 of the spiral body 6 so that they can be attached and detached.

FIG. 5 shows another embodiment of the connecting part of the spiral n9, in which a locking protrusion 47 is fixed to the lower end of the inner wall surface of the upper spiral cylinder 9, and the locking protrusion 47 is fixed to the upper end of the inner wall surface of the lower spiral cylinder 9. A case is illustrated in which the engagement grooves 48 are fixedly provided to connect the respective spiral cylinders 9.

Note that the spiral body is not limited to the illustrated structure and shape, and can of course be modified as desired, and the tfI4 structure of the connecting portion of the spiral cylinder is suitable for fitting and l'! In some cases, a removable general connection means may be arbitrarily selected and used.

DETAILED DESCRIPTION OF THE INVENTION According to the present invention, the disadvantages of the conventional device described above are completely eliminated by connecting a plurality of spiral cylinders molded from synthetic resin material in a polymerized manner to form a spiral body. Although it is large, it is lightweight, making transportation, assembly, installation, etc. convenient, and the production cost is low.
It has the advantage of being able to mass-produce high-quality selected grains by reliably carrying out a highly accurate sorting action.

[Brief explanation of drawings]

FIG. 1 is a side sectional view of the device, FIG. 2 is an exploded perspective view of the spiral body, FIG. 3 is a sectional view of the spiral body of the second embodiment, FIG. 4 is a sectional view of the third embodiment, and FIG. FIG. 5 is a sectional view of another embodiment of the spiral cylinder. 1... Vertical machine frame 2... Peripheral side wall part 3...
・Rotating disk body 4... Main shaft through hole 5... Rotating main shaft 6... Spiral body 7... Porous wall sorting tube
8... Supply hopper 9.9A... Spiral cylinder 10.10A, 10B... Upper cover plate 11.11A, 11B... Lower bottom plate 12... Spiral blade 13... Connection through hole 14
... Projection portion 15 ... Fitting protrusion 16 ...
- Fitting groove 17... Connection hole 18... Vertical shaft for rotation 19, 19A... Connection hole 20.20A...
・Rotation locking part 21.21A...Tightening vault 22...Rotation locking body 23...Lower base 24・
...Gear rotation mechanism 26...High speed rotation gear 26.
...Shaft cylinder part 27...Low speed rotation gear 28.
...Electric motor 29...Mounting bracket 30...Fixing support rod 31...Shaft bearing part 32...Stirring piece
33...Fine particle chamber 34...Fine particle scraping wing piece 3
5... Grain size scraping wing piece 36... Fine particle discharge port 3
7... Grain adjustment outlet 38... Upper support rod 39.
...Inner bottom plate 40...Protrusion 41...Vault fitting tube 42...Outer cylinder 43...
Tightening vault 44... Vault fixing plate 45...
Shaft cylinder part 46... Stirring rod 47... Locking protrusion 48... Engaging protrusion

Claims (2)

[Claims] (1) A porous wall sorting tube is rotatably installed in the vertical machine frame, and a spiral body is fitted inside the sorting tube so that it rotates, and the size is adjusted from the top or bottom of the porous wall sorting tube. A sorting device that supplies mixed grains to the spiral body, discharges small grains outside the sorting tube, and discharges large grains from the bottom or top of the sorting tube, in which spiral blades are wound around the circumferential surface. A conveying device for a vertical sorting device, characterized in that a spiral cylinder is molded from a synthetic resin material, and a plurality of the spiral cylinders are integrally connected in a superposed manner to form the spiral body. (2) The spiral body has a plurality of superposed spiral cylinders interposed between the upper lid body and the lower bottom plate, and is integrally fixed by a tightening vault. ) A spiral conveyance device for the vertical sorting device described in item 2.