JPS6057917B2 - Color sorting machine gutter fixing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a gutter fixing device for a color sorting machine, and this color sorting machine improves its sorting efficiency by increasing the accuracy of the falling trajectory of particles mixed with different colors formed in a photoelectric sorting chamber. changes significantly.

The flow trajectory is such that the center line connecting the center line of the grains flowing down inside the flow machine and the center line connecting the grain collection tube in the photoelectric sorting chamber, that is, the flow trajectory, completely coincides with each other, and moreover, the flowing grains inside the flow machine are smoothly cleared. The accuracy is improved by accelerating and flowing out appropriately. The present invention has been devised and improved in response to the above points, and by connecting and fixing the downflow gutter to the photoelectric sorting chamber with a gutter body fixing fitting of a unique structure, the center of the grains flowing down the flowdown gutter is fixed. This is a high-performance product that is formed so that the line coincides with the upper end of the particle collection tube mouth of the photoelectric sorting chamber or the center line of the particle collection tube, which always forms a normal flow trajectory and continuously exerts an efficient sorting action. The aim is to develop and provide the equipment.

To explain the present invention with reference to an embodiment diagram, in FIG. 1, a vibrating grain feeder 3 equipped with a vibrating device 2 is installed on the upper part of a sorter frame 1, and a joint hopper 4 is provided on the supply side of the vibrating grain feeder 3. A downflow gutter 5 connected in a dogleg shape is installed on the discharge side,
The lower end of the downflow gutter 5 is connected to a machine frame 10 of a photoelectric sorting room 9 in which a light receiving element 6, an injection nozzle 7, and a light source 8 are appropriately arranged, and the particles mixed with different color particles flowing out from the downflow gutter 5 are controlled to flow down. The light beam emitted from the light source 8 is reflected or transmitted along the trajectory A, and the output thereof is connected to the control circuit 11 to operate the injection nozzle 7, and the different color particles are separated by the blast action. The particles are discharged from the discharge port 12 at the bottom, and the normal particles are taken out of the machine from the collection tube 13.This sorting process is carried out in a color sorting machine by arranging a plurality of particles in parallel in the sorting machine frame 1. It is formed in Next, the gutter body fixing device of the present invention will be explained with reference to FIGS. 1 to 3.

The upper shaft body 15 and the lower shaft body 16 are horizontally suspended on the side frames 17, 17 to form a rectangular fixing frame 18, and the gutter body fixing fittings 14 are mounted on both the shaft bodies 15, 16. and fix each downstream gutter 5.
. . . are fitted into the gutter body fixing fittings 14 and fixed by the fastening fittings 14A. The grain collection tube 13 is provided on an extension of the grain trajectory A of the grains flowing out from the downflow gutter 5 and is fixed to the side wall of the machine frame 10.

Upper end portion 29 of the tube mouth of the particle collecting tube 13...
Base shafts 20, 20 are fixed to the side walls 19, 16 on both sides of the photoelectric sorting chamber 9 on an extension line B hypothetically connecting the center point D in the horizontal direction. The arc-shaped adjusting grooves 26 are fitted into the base shaft holes 27, 27, which serve as fulcrum parts, and are provided at the three cylindrical positions of the angle adjustment fittings 21, 21.
, 26, 26, the angle adjustment fittings 21, 21 are fixed to both side walls 19, 19. The connecting shaft rod 24 is inserted into the shaft fitting portion 22 provided on the angle adjustment fitting 21 and the shaft fitting portions 23, 23 provided on the side frame 17 of the fixed frame 18, and the connecting shaft is inserted with the screws 25, 25, 25. When the rod 24 is fixed and the adjustment screws 28, 28, 28 in the long adjustment grooves 26, 26, 26 are loosened, the fixed frame 18 to which the angle adjustment fitting 21 and the downflow gutter 5 are attached is integrated with the base shaft 20 as a fulcrum. It is designed to rotate.
With the above-mentioned configuration, when the raw material particles mixed with different color grains are put into the supply hopper 4 and the apparatus is started, the flow particles mixed with different color grains flowing down from the supply hopper 4 to the vibrating grain feeding trough 3 are transferred to the trough 3.
Due to the vibration action of the particles, they flow down into the downflow gutter 5 and slide down the inside of the gutter at an accelerated rate, and the mixed particles form a grain bundle and flow down in the form of a flight along the flow path A in the photoelectric sorting chamber 9. do. In the photoelectric sorting chamber 9, the light receiving element 6 receives the reflected light beam from the different color particles and issues a signal, and based on the detection signal, a jet is emitted from the injection nozzle 7 at the appropriate time to select the different color particles outside the falling trajectory A. Then, the ejected particles are discharged from the outlet 12. The normal particles that have fallen and are flowing down the flow trajectory A are directly taken out from the outlet via the particle collection cylinder 13 and are entrusted to the next process.
In this action, the shape of the bottom and surface of the downflow gutter is adjusted depending on the proportion of different-colored grains in the raw material grains or the increase or decrease in the amount of grain flowing.
If the shape of the grain bundle in the flow trajectory A is changed appropriately to the letter shape or the transverse wave groove shape, the grain bundle in the flow trajectory A is made into an appropriate shape, and the replaced flow gutter is adjusted to the normal flow trajectory by finely adjusting the inclination angle of the gutter body each time. A is formed into a grain bundle, and the flow trajectory A and the grain collection pipe 1 are
It is necessary to align the center point D of the upper end portion 29 of the cylinder mouth of No. 3 with the center point D of the upper end portion 29 of the cylinder mouth.

Due to the reasons mentioned above, in the gutter body fixing device of the present invention, when replacing each downstream gutter, each screw 25 of the side frame shaft fitting portions 23, 23 provided on both sides of the fixing frame 18... When these are unscrewed, the fixing frame 18 is easily detached from the connecting rods 24, 24 together with each downflow gutter 5 and taken out of the machine frame 1, and each gutter body fixing metal fitting 14. Each downstream gutter 5 can be easily replaced by simply opening and closing the fasteners 14A. And a new gutter 5...
The fixed frame 18 equipped with the shaft fitting parts 23, 2 on both sides thereof
3 into the shaft rods 24, 24, and each screw 25...
When you screw them on, the gutter body replacement work is completed, and the angle adjustment of each downstream gutter 5... can be done using the machine frame side wall 1.
Adjustment screws 28 are screwed into respective adjustment long grooves 26 of the angle adjustment fittings 21 and 21 provided at 9 and 19.
When the angle adjustment fittings 21 are rotated by screwing them off or screwing them in as appropriate, each downflow gutter 5 attached to the rotation frame 18...
It is possible to simultaneously adjust the inclination angles of the downflow gutter 5.
The center point D of the upper end of the cylinder mouth 29...
The extension line B, which is hypothetically connected in the horizontal direction, is used as the rotation fulcrum of the angle adjustment fitting 21, which is integrally formed with the fixed frame 18 on which the downflow gutter 5... is mounted. , Even if the inclination angle of the downflow gutter 5... changes, the flow trajectory A and the center point D of the upper end portion 29 of the tube mouth always match, and the flow trajectory from the flow gutter 5... The normal particles flowing down to A flow exactly into the particle collecting tube 13. FIG. 4 shows another embodiment of the gutter body fixing device of the present invention,
A base shaft 20 fixed to both side walls 19, 19 of the photoelectric sorting chamber 9,
20 is made to coincide with the axis C that connects the intersection points obtained by extending the axial center lines of each light source 8 and each light receiving element 6 in the horizontal direction, Horizontal rods 3 are attached to the rod extensions 30, 30 of the connecting rods 24, 24 that integrally connect the angle adjustment fittings 21, 21 and the fixed frames 18, 18.
1 are connected, each particle collection cylinder 13 is attached to the horizontal rod 31, and the flow gutter 5 and particle collection cylinder 13 are connected.
are formed so that the angle of inclination can be adjusted integrally with the base axes 20, 20 as intersection points.

Therefore, the light source 8... and the light receiving element 6...
... On the axis connecting the downflow gutter 5 ... and the particle collection tube 13
Since the base shafts 20, 20 are provided as fulcrums for integrally adjusting the inclination angle of the downflow gutter 5...
Even if the inclination angle is adjusted, the flow trajectory A and the particle collecting tube 13...
... is always in a straight line relationship, and the normal particles flowing down on the flow trajectory A can be accurately flowed into the particle collection tube 13..., and the flow trajectory A and the light beam can be 8...
Also, the intersection points of the light receiving elements 6 do not change, and the detection accuracy of the light receiving elements 6 can be maintained at a high level of accuracy.

As explained above, according to the present invention, even if the inclination angle of the downflow gutter is changed or adjusted depending on the amount of different colored grains mixed into the raw material or the amount of grain flowing, the inclination angle of the downflow gutter can be adjusted. Since the fulcrum is located on the horizontal extension line that is the virtual intersection of the flow trajectory and the center of the upper end of the particle collecting tube, the normal particles that flow down the flow trajectory will accurately flow into the particle collection tube. Its structure is simple and the production cost is low, and its operation is also easy, which improves work efficiency.It always forms a normal flow trajectory and continuously exerts an efficient sorting action.
This provides effects such as the ability to reliably, smoothly, and quickly mass produce high-quality carefully selected grains.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention; FIG. 1 is a side sectional view of the device, FIG. 2 is an enlarged sectional view of the main part, FIG. 3 is an enlarged perspective view of the main part, and FIG. 4 is an enlarged perspective view of the main part. FIG. 3 is an enlarged perspective view of main parts. 1... Sorter frame, 2... Vibration device, 3
... Vibrating grain feeder, 4... Supply hopper, 5... Downflow gutter, 6... Light receiving element, 7...
...Injection nozzle, 8...Light source, 9...
・Photoelectric sorting room, 10...Machine frame, 11...
Control circuit, 12... Discharge port, 13...
Particle collection cylinder, 14...Gutter body fixing fittings, 14A...
... Attachment/removal clasp, 15... Upper shaft body, 16...
・Lower shaft body, 17...Side frame, 18...
Fixed frame, 19...Side wall, 20...Base shaft, 21...Angle adjustment fitting, 22...Shaft fitting part, 23...Shaft fitting Joint part, 24...Connection rod, 25...Screw, 26...Long groove for adjustment,
27...Shaft hole, 28...Adjustment screw,
29... Upper end of cylinder mouth, 30... Axial rod extension, 31... Horizontal rod, A... Downward trajectory, B, C... ...Axis line, D... Center point.

Claims (1)

[Scope of Claims] 1. A photoelectric sorting chamber is provided in the falling trajectory of particles mixed with different colors flowing down from a flowing gutter, and a light source, a light receiving element, and a spray nozzle are arranged in the photoelectric sorting chamber, and the particles flowing down along the flowing trajectory are provided with a light source, a light receiving element, and an injection nozzle. A light receiving element detects the amount of light obtained by irradiating the particles from a light source, and according to the detected value of the light receiving element, an injection nozzle is operated to select abnormally colored particles, and normal particles are placed on an extension line of the falling trajectory. In a color sorter that discharges particles from a particle collecting tube, even if the inclination angle of the downflow gutter is changed, the extension line of the flow trajectory always coincides with the virtual intersection of the center of the upper end of the tube mouth of the particle collecting tube. , a base shaft is fixed to both side walls of the photoelectric sorting chamber on the horizontal line at the position of the virtual intersection, and a fulcrum part of an angle adjustment fitting is inserted into the base shaft, and an adjustment portion provided on the angle adjustment metal fitting is A gutter body fixing device for a color sorting machine, which is fixed to the both side walls by screws inserted into the long grooves, and connects the fixing frame to which the downflow gutter is mounted and the angle adjustment fitting by a connecting rod. 2. The gutter body fixing device for a color sorting machine according to claim 1, wherein a horizontal rod is connected to the shaft extension portion of the connecting shaft rod, and the grain collection cylinder is attached to the horizontal rod.