JPH0454870Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention is designed to remove foreign matter mixed into conveyed objects such as cut kelp ears, shredded kelp, diced kelp, wood ear mushrooms, hijiki seaweed, and other seaweed. It relates to a sorting device.

(Prior Art) A conventional sorting device of this type includes one shown in FIG. 3 or FIG. 4.

The apparatus shown in FIG. 3 is provided with a suction port 7a directly above the discharge end of the primary conveyance path 1 for sucking up the material to be conveyed (seaweed) by a fan 7.
The discharge end of a is connected to the vibration tank 8, and the tank 8 is provided with a discharge port 8a located directly above the input end of the secondary conveyance path 2. Also, the fourth
The device shown in the figure is equipped with a vacuum pump 7' above the vibrating tank 8 in place of the fan 7 described above. All of these conventional technologies use a vibrating tank 8.
The vibrator 9 is equipped with a vibrator 9 to enable vibration, and the discharge port 8a of the vibrating tank 8 is equipped with a rotary valve 10 to discharge a fixed amount of the material to be transported (seaweed).

Then, by the suction force of the fan 7 or the vacuum pump 7', only objects to be conveyed (seaweed) with a light specific gravity are sucked up from the suction port 7a and sent to the secondary conveyance path 2, such as stones and metal pieces with a heavy specific gravity. , foreign substances such as kelp roots are disposed of in the container 6.

(Problem to be solved by the invention) According to the former sorting device described above, if the size, length, thickness, width, etc. of the objects to be transported (seaweed) are uneven, the fan 7 cannot suck them. Sometimes,
Even if it could be sucked in, the rotary valve 10 would become clogged when being discharged to the secondary conveyance path 2, resulting in a problem that it could not be smoothly supplied to the secondary conveyance path 2. This problem often occurs during the process of separating kelp ears that are irregular in size and shape.

Further, in the latter shown in FIG. 4, there was a problem in that if the suction force by the vacuum pump 7' was too strong, the foreign matter would also be sucked up. In both cases, the transported material (seaweed) accumulated in the vibrating tank 8 becomes sticky due to its own moisture content and the vibration of the vibrating tank 8, becomes a lump, and becomes clogged at the rotary valve 10. There is.

The present invention was developed in view of the conventional circumstances as described above, and its purpose is to remove waste on the primary conveyance path, which was previously sucked up due to the pressure difference and stored in the vibration tank. Transported items (seaweed)
The conveyed objects (seaweed) and foreign objects are transported to the secondary conveyance path one after another by wind pressure and the conveyor for conveyed objects, without depending on the pressure difference and without storing them in a vibrating tank. The purpose is to make the selection process smoother.

(Means for Solving the Problems) In order to achieve the above object, the first sorting device of the present invention forms a foreign matter screening interval between the primary conveyance path and the secondary conveyance path, and The present invention is characterized in that a conveyor for conveyed objects is provided above, and a blower is provided below that presses objects to be conveyed against the lower surface of the conveyor.

Further, the second sorting device of the present invention is configured such that the primary side conveyance path or the secondary side conveyance path is provided so as to be slidable in the direction of the conveyance path, and the length of the foreign matter sorting interval is adjustable. Features.

(Function) According to the first means, the object to be conveyed (seaweed) conveyed by the primary conveyance path is pressed against the lower surface of the object conveyor by the wind pressure of the blower, and this state and are sequentially sent to the secondary conveyance path.
At this time, foreign matter with a heavy specific gravity falls below the foreign matter sorting interval and is separated from the objects to be transported (seaweed).

According to the second means, in addition to the above-mentioned effect, by sliding the primary conveyance path or the secondary conveyance path, when the object to be conveyed (seaweed) is relatively heavy, To eliminate the possibility that objects to be transported (seaweed) pressed against the lower surface of a conveyor for objects to be transported fall during the interval for separating foreign objects by shortening the interval for separating foreign objects.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

The sorting device A has a primary conveyance path 1 and a secondary conveyance path 2.
A foreign matter sorting interval 3 is formed between them, a conveyor 4 for transporting objects is provided above this interval 3, and a blower 5 is provided below. ) and foreign substances.

The primary conveyance path 1 includes an underframe 1 having a desired length.
A vibrating conveyor is constructed by disposing a conveying path 1b having a gutter-shaped cross section above a, and a large number of vibrators 1c arranged in parallel in the conveying direction between the underframe 1a and the conveying path 1b. , vibrator 1
The object to be conveyed (seaweed) supplied to the upper surface of the conveyance path 1b is sent to the secondary side conveyance path 2 directions by the vibration of c. Further, a magnet 1d is disposed above the conveyance path 1b, and is configured to attract and separate foreign objects such as metal pieces.

The secondary conveyance path 2 includes an underframe 2 having a desired length.
A belt conveyor 2b is disposed above a, and a motor 2c for rotating the belt conveyor 2b is provided in the underframe 2a. Container 2 for storing things (seaweed)
d, and a gutter 2e that connects the belt conveyor 2b and the container 2d. Further, a suction fan 2f is provided above the belt conveyor 2b, and is configured to suction and discharge foreign matter whose specific gravity is lighter than that of the conveyed object. Further, the underframe 2a is slidably mounted on a rail 2g fixed on an installation surface C such as the ground or floor, and is configured to slide in one direction of the primary conveyance path as necessary. It's summery.

The transport conveyor 4 for transported objects has a primary transport path 1
A food resin conveyor 4a is disposed across the carry-out end of the secondary conveyance path 2 and the carry-in end of the secondary conveyance path 2,
The periphery of the resin conveyor 4a is covered with a cover 4b leaving the lower surface of the resin conveyor 4a, and the cover 4b is provided with many ventilation holes (not shown) and a blower 5 is provided.
It is constructed so that air can pass through it.

The supply conveyor B is a belt conveyor that connects the hopper D provided at the carry-in end side of the primary conveyance path 1 and the primary conveyance path 1. It is designed to be sequentially supplied to the next conveyance path 1.

The blower 5 has an air outlet 5a arranged obliquely upward (at an angle tilted in the conveyance direction) from the discharge end side of the primary conveyance path 1 toward the bottom surface of the conveyor 4, and the air pressure from the air outlet 5a causes the primary conveyance to be carried out. The conveyed object (seaweed) conveyed on the path 1 is pressed against the lower surface of the conveyor 4.

Reference numeral 6 denotes a container provided below the foreign matter sorting interval 3, and is adapted to contain the foreign matter sorted at the sorting interval.

According to the above configuration, when an object to be conveyed (seaweed) containing stones, metal pieces, or other foreign matter is put into the hopper D, the object to be conveyed (seaweed) is transported through the supply conveyor B. Conveyance path 1 of primary side conveyance path 1
b, and further sent in three directions at intervals of foreign matter sorting. At the discharge end of this conveyance path 1b, only the objects to be conveyed (seaweed) with light specific gravity are transferred to the blower 5.
The food resin is pressed against the lower surface of the food resin conveyor 4a of the conveyor 4 by the wind pressure, is conveyed to the secondary conveyance path 2, and falls into the container 2d. At this time, since the above-mentioned foreign matter has a heavy specific gravity, it falls below the foreign matter sorting interval 3 and is accommodated in the container 6.

At the same time, the magnet 1d sucks up metal pieces, etc. contained in the transported object (seaweed) transported by the primary transport path 1, and the suction fan 2f sucks up metal pieces, etc. contained in the transported object (seaweed) transported by the secondary transport path 2. It sucks up light straw waste, fiber waste, etc. contained in objects (seaweed).

In addition, if the material to be transported (seaweed) to be sorted is relatively heavy, the underframe 2 of the secondary transport path 2
a to the primary conveyance path 1 direction to shorten the foreign object sorting interval 3 to prevent the conveyed objects (seaweed) pressed against the lower surface of the conveyor 4 from falling in the middle of the interval 3. Eliminate.

In this embodiment, by providing the magnet 1d and the suction fan 2f, it is possible to more effectively remove foreign substances contained in the transported object (seaweed).

(Effects of the Invention) Since the sorting device of the present invention is configured as described above, it has the effects described below.

According to the sorting device according to claim 1, the conveyed objects sent in the primary side conveyance path are pressed against the conveyed object conveyor by wind pressure to be separated from foreign objects, and the objects are transferred to the secondary side conveyance path. Since the items can be sent sequentially, there is no risk that the items to be transported will adhere to the wall of the tank or clog the drop opening during the sorting route, and therefore the sorting work can be carried out more smoothly.

Further, unlike conventional devices, the above effects can be obtained with an extremely simple structure without using tanks, vibrators, rotary valves, etc., and the manufacturing cost of the device can also be reduced.

According to the sorting device according to the second aspect of the present invention, in addition to the above-mentioned effects, the foreign matter sorting interval can be adjusted depending on the objects to be sorted, thereby making the sorting work more reliable.

[Brief explanation of the drawing]

The drawing shows one embodiment of the present invention sorting device.
The figure is a front view, and FIG. 2 is an enlarged left side view of FIG. 1. Further, FIGS. 3 and 4 are enlarged front views of the main parts of the conventional apparatus, respectively. In the figure, 1...primary side conveyance path, 2...secondary side conveyance path, 3...foreign object sorting interval, 4...conveyor for conveyed objects, 5...blower.

Claims (1)

[Claims for Utility Model Registration] (1) A foreign matter sorting interval is formed between the primary conveyance path and the secondary conveyance path, and a conveyor for conveyed objects is provided above the foreign matter separation interval, and A foreign matter sorting device for seaweed, characterized in that a blower is provided below to press the conveyed matter against the lower surface of the conveyor. (2) Claim 1 characterized in that the primary side conveyance path or the secondary side conveyance path is provided so as to be slidable in the direction of the conveyance path, and the interval for separating foreign matter is configured to be adjustable in length.
The foreign material sorting device for seaweed described above.