JP5099103B2 - Color sorter and method for discharging good products in the color sorter - Google Patents

Description

  The present invention relates to a color sorter that sorts granular materials such as grains and resin pellets by color.

  Conventionally, colors that sort raw materials consisting of grains such as rice and wheat, resin pellets, coffee beans, and other granular materials into good and defective products by color, and select and remove foreign substances mixed in the raw materials by color A sorter is known (see Patent Document 1).

6 is a perspective view of the color sorter described in Patent Document 1 as viewed from the rear right side, and FIG. 7 is a schematic diagram of the color sorter shown in FIG.
As shown in FIG. 6, the color sorter described in Patent Document 1 has a supply hopper 114A and a first elevator 116 on the outside of the right side of the sorter body 110A, and a second elevator 152 on the outside of the rear side of the sorter body 110A. It is provided. Further, as shown in FIG. 7, the color sorter described in Patent Document 1 performs a two-stage sorting operation, and primary fine grains are placed below the ejector 140 provided in the sorter main body 110A. First good grain sorting cylinder 146 to discharge, first bad grain sorting cylinder 148 to discharge primary defective grains, second good grain sorting cylinder 156 to discharge secondary good grains, second defective grains to discharge secondary defective grains A sorting cylinder 158 is provided.

  As schematically shown in FIG. 7, in the color sorter, the grain put into the supply hopper 114 </ b> A is raised by the first elevator 116, and the non-defective product and the defective product are sorted in the primary sorting unit. As a result of the primary sorting, the primary good grains are supplied from the first good grain sorting cylinder 146 to the second elevator 152, and the primary defective grains are arranged from the first defective grain sorting cylinder 148 below the first defective grain collection box 150. To be discharged. The primary good grains are raised by the second elevator 152, and the non-defective product and the defective product are selected in the secondary sorting section. As a result of the secondary sorting, the secondary good grains are discharged from the second good grain sorting cylinder 156 to the good grain collection box 162 disposed below, and the secondary defective grains are sent from the second defective grain sorting cylinder 158 to the first. 2 It is discharged into the defective particle collection box 160.

  In the color sorter described in Patent Document 1, the good grain collection box 162 is arranged below the sorter main body as described above. It is necessary to transport the good grain collection box 162 to a weighing machine or bagging machine in a subsequent process.

JP 2007-98276 A

Therefore, the present invention facilitates the conveyance of the raw material between the devices used in the preceding and following processes,
Color sorter easily perform the arrangement of the apparatus, and shall be the object of providing a method for discharging the non-defective in該色Irodori sorter.

In order to achieve the above object, the present invention is a color sorter that sorts a granular material into a non-defective product and a defective product, and is provided with a plurality of elevators that are located on the back side of the color sorter and granulate the raw material. An elevating unit provided, a feeding hopper provided behind the elevating unit and at a low position of the color sorter, and capable of feeding a material from the rear of the color sorter, and on the front side of the elevating unit Located on the front side of the color sorter, provided in the high part of the color sorter, and a light sorting unit that sorts the raw material that is put into the feeding hopper and granulated by one of the elevators into a non-defective product and a defective product And a discharge unit for lifting the raw material selected as a non-defective product by the light sorting unit by another unit of the elevator and discharging the raw material to the outside .

In the present invention, it is preferable that the discharge portion is a fine product discharge basket extending outward from the left side surface in a front view of the color sorter .

In the present invention, it is preferable that a transversal conveyor is provided below the light sorting unit to transport the raw materials sorted by the light sorting unit to the other elevator .

The present invention is a color sorter that sorts raw materials made of granular materials into non-defective products and defective products, and is located on the back side of the color sorter and includes a plurality of elevators for granulating raw materials, and the elevator A feeding hopper that is provided behind the unit and in the lower part of the color sorter and that allows the raw material to be fed from the back of the color sorter, and on the front side of the color sorter on the front side of the lifting unit Dispose of non-defective products in a color sorter equipped with a light sorting unit that sorts raw materials into good and defective products, and a discharge unit that is installed at a high location of the color sorter and discharges good products out of the machine In the method, the raw material charged into the charging hopper is granulated by one of the elevators, the raw material granulated by one of the elevators is sorted into a non-defective product and a defective product by the light sorting unit, and the light sorting is performed. The elevator selects the raw material selected as good in the section And Agetsubu by another one, characterized by discharging Agetsubu been the good by the other one elevator to outside from the discharge portion.

  In the present invention, the color sorting unit includes a first sorting unit and a second sorting unit that sorts the materials sorted in the first sorting unit, and the lifting unit supplies at least the first sorting unit. The 1st elevator which raises a raw material, and the 2nd elevator which raises the raw material supplied to a 2nd selection part can also be provided.

  In the present invention, the first elevator may supply the raw material that is input to the charging hopper and the raw material that is determined to be non-defective in the second selection unit to the first selection unit.

  In the present invention, the transverse feed conveyor may be a vibrating conveyor provided with a trough in which a plurality of ridges corresponding to the position of the raw material are formed and a vibrating mechanism that swings the bottom surface of the trough.

  The present invention comprises a transverse feed conveyor comprising a flat belt and at least two roller shafts, and a plurality of partition walls standing in the width direction of the flat belt, and a plurality of passages corresponding to the positions of raw materials It can also be set as a belt conveyor on which is formed.

The color sorter according to the present invention is provided at a high position of the color sorter, and discharges the raw material, which has been selected as a non-defective product by the light sorting unit, to be granulated by another one of the elevators and discharged outside the machine. A non-defective product discharging method in the color sorter of the present invention, wherein the raw material sorted in the light sorting unit is granulated by another one of the elevators, and the other one Since the non-defective product lifted by the elevator is discharged from the discharge unit provided at a high position of the color sorter, according to the color sorter of the present invention and the non-defective product discharge method in the color sorter, The raw material can be directly supplied from the discharge unit to the weighing machine and the bagging machine in the subsequent process, and the apparatus can be easily arranged. Further , according to the color sorter of the present invention and the method for discharging good products in the color sorter, the raw materials sorted into the non-defective products by the light sorting unit are taken out from the sorter main body as in the past and transported to the subsequent process. Since there is no need to do this, work efficiency can be improved.

The color sorter according to the present invention is located on the back side of the color sorter, and is provided with a lift unit having a plurality of lifts for granulating the raw material, and behind the lift unit and at a low position of the color sorter. , A charging hopper capable of charging the raw material from the rear of the color sorter, and a front side of the lifting / lowering unit and on the front side of the color sorting machine, and is loaded into the charging hopper and is moved by one of the lifting machines Since the light sorting unit that sorts the raw material to be granulated into a non-defective product and a defective product is provided, it is possible to suppress the installation space of the device without increasing the width of the device. In addition, since the color sorter according to the present invention is provided with a raw material charging hopper at a low position of the color sorter, it is possible to easily carry in the raw material from the hulling machine in the previous process, and the arrangement of the apparatus is simple. Can be done.

In the color sorter according to the present invention, the discharge unit includes a fine product discharge basket extending from the left side toward the outside of the color sorter as viewed from the front. If the input portion is arranged so as to be positioned below the fine product discharge basket, the raw material can be directly carried into the weighing machine or the bagging machine, and the apparatus can be easily arranged.

Since the color sorter of the present invention has a transverse feed conveyor that conveys the raw material sorted by the light sorting unit to the other elevator, the transverse feed conveyor is arranged below the light sorting unit. No need for new space to place.

  In the present invention, the light sorting unit includes a first sorting unit and a second sorting unit that sorts the raw materials sorted in the first sorting unit, and the lifting unit is at least in the first sorting unit. If the first elevator for raising the raw material to be supplied and the second elevator for raising the raw material to be supplied to the second sorting section are provided, it can be used in a sorting method for sorting through a two-stage sorting process. .

  The present invention can reduce the number of elevators by one if the first elevator supplies the first sorting unit with the raw material that is input to the charging hopper and the raw material that has been determined to be non-defective in the second sorting unit. At the same time, the sorting operation can be performed more precisely.

The whole perspective view from the front upper right of the color sorter | selector in embodiment of this invention. The left view of the color sorter | selector of FIG. The schematic explanatory drawing of the internal structure in the color sorter | selector of FIG. The schematic explanatory drawing of the internal structure in the color sorter | selector of FIG. Explanatory drawing of the trough of the vibration conveyor which comprises the color sorter | selector of FIG. The perspective view which looked at the conventional color sorter from the right rear. The schematic diagram of the color sorter | selector of FIG.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an overall perspective view from the front upper right of a color sorter according to an embodiment of the present invention. FIG. 2 is a left side view of the color sorter. FIG. 3 is a schematic explanatory diagram of the internal structure from the left side of the color sorter and shows a primary sorter. FIG. 4 is a schematic explanatory diagram of the internal structure from the front direction of the color sorter. FIG. 5 is an explanatory view of the trough of the vibration conveyor constituting the color sorter.

  The color sorter according to the embodiment of the present invention is capable of sorting non-defective products and defective products, or foreign substances mixed in the raw materials by color, using grains, resin pellets, coffee beans, and other granular materials as raw materials. .

  The color sorter according to the embodiment of the present invention includes an elevating unit 1 that is located on the back side and granulates the raw material, a light sorting unit 2 that is located on the front side of the elevating unit 1 and sorts the raw material, and below the light sorter And a vibrating conveyor 3 that returns the sorted raw material to the lifting unit 1.

  The elevating unit 1 is disposed adjacent to the first bucket conveyor 11, the second bucket conveyor 12 disposed adjacent to one side of the first bucket conveyor 11, and the other side of the first bucket conveyor 11. The third bucket conveyor 13 is arranged in a state of being arranged side by side in the front view width direction of the color sorter, and as shown in FIG. Yes.

  The 1st bucket conveyor 11 granulates the raw material thrown into the injection | throwing-in hopper 14 provided behind the raising / lowering part 1, and the 1st storage located above the primary selection part 20 of the light selection part 2 mentioned later of the said raw material It is for storing in the tank 15. The first bucket conveyor 11 pumps up the raw material (hereinafter referred to as “secondary non-defective product”) that has been made non-defective in the secondary sorting unit 21 of the light sorting unit 2 to be described later, and stores it in the first storage tank 15. Is to do.

  The second bucket conveyor 12 granulates the raw material (hereinafter referred to as “primary good product”) that has been made non-defective in the primary sorting unit 20 of the light sorting unit 2 and removes the raw material from the refined product discharge basket 16 to the outside of the color sorter. It is for discharging.

  The 3rd bucket conveyor 13 granulates the raw material made into the inferior goods in the said primary selection part 20 (henceforth a "primary defective product"), and the secondary selection part 21 of the light selection part 2 mentioned later of the said raw material. This is for storing in the second storage tank 17 located above.

  Since the lifting / lowering unit 1 of the color sorter in the present embodiment is arranged so that the bucket conveyors 11 to 13 are adjacent to each other, by using each drive shaft as a common shaft, they can be simultaneously driven by the same drive source. It is something that can be done.

  Here, as shown in FIGS. 1 to 3, the charging hopper 14 is provided at the lower part of the color sorter and behind the elevating unit 1, and is configured to be able to feed the raw material from the rear of the color sorter. ing. The charging hopper 14 is provided within the range of the dimension in the width direction when the color sorter is viewed from the front.

  As shown in FIGS. 1, 2, and 4, the fine product discharge basket 16 is provided at a high position of the color sorter so as to extend from the left side toward the outside.

  The light sorting unit 2 includes a light detection unit 22 and an ejector 23, and is divided into a primary sorting unit 20 and a secondary sorting unit 21 according to the position in the front view width direction of the color sorter. The primary sorting unit 20 and the secondary sorting unit 21 have substantially the same structure except for the chute surface.

The primary sorting unit 20 sorts the raw material supplied from the first storage tank 15, and the secondary sorting unit 21 sorts the raw material supplied from the second storage tank 17.
As shown in FIGS. 3 and 4, the raw materials stored in the storage tanks 15 and 17 are supplied at a constant flow rate through the first and second rotary valves 18 and 19, respectively, and are respectively inclined and arranged. And after flowing down on the 2nd chute | shoot 24,25 and discharge | released from each chute | shoot 24,25, it is detected by the light detection part 22. FIG. As a result, the primary non-defective product is provided from the first discharge rod 26 provided below the primary sorting unit 20, and the primary defective product is provided by the air from the ejector 23 and provided below the primary sorting unit 20. The discharged second discharge rod 27 is discharged onto the trough 30 of the vibration conveyor 3 described later. The secondary good products are also discharged onto the trough 30 of the vibration conveyor 3 from a third discharge rod 28 provided corresponding to the lower side of the secondary sorting unit 21. The raw material determined as a defective product in the secondary sorting unit 21 (hereinafter referred to as “secondary defective product”) is directly selected from a fourth discharge basket 29 corresponding to the lower side of the secondary sorting unit 21. Discharged outside.

  The light detection unit 22 and the ejector 23 of the light sorting unit 2 in the present embodiment are capable of detecting a plurality of raw materials falling in a line shape in the width direction of the color sorter and appropriately repelling the raw materials with air. That's fine.

  In the present embodiment, the light detection unit 22 may be a known one having a sensor composed of a CCD line sensor or the like, a light source composed of a fluorescent lamp or the like, and a background as background means. As shown in FIG. 3, a pair of light detection units 22 in the present embodiment are arranged with chutes 24 and 25 sandwiched in the front and rear, and each of the light detection units 22 and 22 is a sensor 221 composed of a CCD line sensor or the like. , 221, mirrors 222 and 222, light sources 223 and 223, and backgrounds 224 and 224. And each light detection part images the raw material which falls from the said chute | shoot 24,25 in a detection position, and judges the foreign material mixed in the non-defective product of a raw material, a defective product, or a raw material based on this imaging signal. . The ejector 23 may use a leaf spring or the like using a solenoid or the like as a driving means instead of the one that repels the raw material by air. In FIG. 3, the sensor 221, the mirror 222, the light source 223, and the background 224 are provided only with reference to the front light detection unit 22, but the rear light detection unit has the same configuration. is there.

The vibration conveyor 3 is arranged below the light sorting unit 2, and as shown in FIG. 5, the raw materials sorted by the light sorting unit 2 are separated into primary good products, primary defective products, and secondary good products. A trough 30 that can be received is provided.
The trough 30 is formed with a first rod 31, a second rod 32, and a third rod 33 corresponding to the positions of the raw materials discharged from the first to third discharge rods 26 to 28, It is comprised so that the raw material sorted by the light selection part 2 can be supplied to the target bucket conveyors 11-13, respectively.

Next, the operation of the light sorter in the embodiment of the present invention will be described.
When the raw material is put into a feeding hopper 14 provided at the lower part of the color sorter and behind the lifting unit 1, the raw material is lifted by the first bucket conveyor 11 and stored in the first storage tank 15. It is supplied to the first chute 24 at a constant flow rate via the first rotary valve 18.
The raw material falling on the first chute 24 is detected by the light detection unit 22 in the primary sorting unit 20 of the light sorting unit 2, and the primary non-defective product is discharged from the first discharge basket 26 to the first basket of the trough 30 of the vibration conveyor 3. The primary defective product is bounced by the ejector 23 and falls from the second discharge rod 27 onto the second rod 32 of the trough 30 of the vibration conveyor 3.

  The primary non-defective product dropped on the first basket 31 is conveyed to the second bucket conveyor 12 of the elevating unit 1 by the action of the vibration conveyor 3 and is granulated, and is extended from the left side surface to the outside at the high position of the color sorter. It is discharged out of the color sorter from the fine product discharge basket 16 provided.

  On the other hand, the primary defective product that has fallen on the second basket 32 is conveyed to the third bucket conveyor 13 of the elevating unit 1 and is granulated and stored in the second storage tank 17, and then via the second rotary valve 19. And supplied to the second chute 25 at a constant flow rate. The primary defective product falling on the second chute 25 is detected by the light detecting unit 22 in the secondary sorting unit 21 of the light sorting unit 2, and the secondary good product is detected from the third discharge rod 28 to the trough 30 of the vibrating conveyor 3. The second defective product is bounced by the ejector 23 and directly discharged from the fourth discharge rod 29 to the outside of the color sorter.

  The secondary non-defective product dropped on the third basket 33 is conveyed to the first bucket conveyor 11 of the elevating unit 1 by the action of the vibration conveyor 3 and is granulated together with the raw material charged into the charging hopper 11 to be stored in the first storage tank. 15 is stored. Then, the light is sorted again in the primary sorting unit 20 of the light sorting unit 2.

  In the above-described embodiment of the present invention, the elevator unit 1 has three bucket conveyors arranged adjacent to each other. However, the number of bucket conveyors arranged adjacent to each other can be changed as appropriate, for example, two bucket conveyors are used. It is. Needless to say, the bucket conveyor can be changed with other lifting means having the same function.

  In the color sorter according to the embodiment of the present invention, the elevating unit 1 is configured in a compact manner by arranging a plurality of bucket conveyors adjacent to each other, and the elevating unit 1 is arranged behind the light selecting unit 2. Thus, since the width of the front view is limited, the installation space can be reduced and the apparatus can be downsized. In the color sorter according to the embodiment of the present invention, the vibration conveyor 3 for supplying the sorted raw material to the lifting / lowering unit 1 is disposed below the light sorting unit 2, so the vibration conveyor 3 is disposed. It does not require new space to do.

  In the above embodiment, since the charging hopper 14 is provided in the lower part of the color sorter, the raw material can be easily carried in from the hulling machine in the previous process, and the apparatus can be easily arranged. Further, if the raw material discharge part of the hulling machine is located immediately above the charging hopper 14, the raw material can be directly carried into the color sorter. Moreover, in the said embodiment, since the injection | throwing-in hopper 14 is provided in the range of the width direction dimension of the color sorter behind the raising / lowering part 1, the width | variety of an apparatus is not expanded and enlarged.

  In the above-described embodiment, the fine product discharge basket 16 is provided at a high position of the color sorter, so that the raw material input part of the weighing machine and bagging machine in the subsequent process is positioned below the fine product discharge basket 16. By doing so, it becomes possible to carry the raw material directly into the weighing machine or the bagging machine, and the arrangement of the apparatus can be easily performed.

  Note that the vibration conveyor according to the embodiment of the present invention has a structure including a trough having a plurality of troughs corresponding to the position of the raw material and a vibration mechanism that swings the bottom surface of the trough. As the mechanism, for example, a known mechanism using an eccentric wheel can be adopted, and the manufacturing cost of the entire sorter can be reduced.

  Further, instead of the vibration conveyor, a flat belt and at least two roller shafts are provided, and a plurality of partition walls are erected in the width direction of the flat belt, and a plurality of passages correspond to the positions of the raw materials. It can also be a formed belt conveyor. If such a belt conveyor having a plurality of passages is formed, since the vibration mechanism is not used, vibration of the sorter can be suppressed, noise generation can be prevented, and a quiet operation can be realized.

  Needless to say, the configuration of the color sorter of the present invention is not limited to the above embodiment, and the configuration thereof can be changed as appropriate without departing from the scope of the present invention.

  The color sorter of the present invention raises the raw material determined to be non-defective by the light sorting unit by one of the elevators and discharges it from a discharge unit provided at a high position of the color sorter. The raw material can be directly supplied from the section to the weighing machine or bagging machine in the subsequent process. In addition, since the raw material is input to the input hopper provided in the lower part of the color sorter, it is possible to easily carry the raw material from the hulling machine in the previous process. And arrangement | positioning of an apparatus can be simply performed in relation to the process before and behind.

DESCRIPTION OF SYMBOLS 1 Lifting part 2 Light selection part 3 Vibrating conveyor 11 1st bucket conveyor 12 2nd bucket conveyor 13 3rd bucket conveyor 14 Loading hopper 15 1st storage tank 16 Refinement | discharging basket 17 2nd storage tank 18 1st rotary valve 19 2nd Rotary valve 20 Primary selection unit 21 Secondary selection unit 22 Light detection unit 23 Ejector 24 First chute 25 Second chute 26 First discharge rod 27 Second discharge rod 28 Third discharge rod 29 Fourth discharge rod 30 Trough of vibration conveyor 31 First rod 32 Second rod 33 Third rod 221 Sensor 222 Mirror 223 Light source 224 Background

Claims (4)

A color sorter that sorts granular materials into good and defective products,
  An elevating unit that is located on the back side of the color sorter and that includes a plurality of elevators for raising the raw material,
  A charging hopper that is provided behind the elevating unit and at a low position of the color sorter, and that allows a raw material to be fed from the back of the color sorter,
  A light sorting unit that is located on the front side of the elevating unit and on the front side of the color sorter, and sorts the raw material that is put into the charging hopper and granulated by one of the elevators into a non-defective product and a defective product,
  A discharge unit that is provided at a high position of the color sorter, and that causes the raw material sorted into a non-defective product by the light sorting unit to be granulated by another one of the elevators and discharged out of the machine. Color sorter. The color sorter according to claim 1, wherein the discharge unit includes a fine product discharge basket extending from the left side toward the outside of the color sorter when viewed from the front. The color sorting according to claim 1 or 2, further comprising a transverse feed conveyor that conveys the raw material sorted by the light sorting unit to the other elevator in the lower part of the light sorting unit. Machine.   A color sorter that sorts granular materials into good and defective products,
  An elevating unit that is located on the back side of the color sorter and that includes a plurality of elevators for raising the raw material,
  A charging hopper that is provided behind the elevating unit and at a low position of the color sorter, and that allows a raw material to be fed from the back of the color sorter,
  A light sorting unit that is located on the front side of the color sorter on the front side of the elevating unit and sorts raw materials into non-defective products and defective products,
  In the discharge method of the non-defective product in the color sorter provided at the high place of the color sorter, and a discharge unit for discharging the non-defective product outside the machine
  The raw material thrown into the charging hopper is granulated by one of the elevators, the raw material granulated by one of the elevators is sorted into non-defective products and defective products by the light sorting unit, and the non-defective products are sorted by the light sorting unit. A method for discharging a non-defective product in a color sorter in which the raw material selected in step 1 is granulated by another one of the elevators, and the non-defective product that has been granulated by the other elevator is discharged from the discharge unit to the outside of the apparatus.