Raw material supply device, device for processing electronic and electrical device part scraps, and method for processing electronic and electrical device part scraps

Patent metadata

Field	Value
Publication number	US-11649119-B2
Application number	US-201917290044-A
Country	US
Kind code	B2
Filing date	Oct 30, 2019
Priority date	Oct 31, 2018
Publication date	May 16, 2023
Grant date	May 16, 2023

Abstract

A raw material supply device and a device for processing electronic and electrical device part scraps, which can control dropping positions of a raw material containing substances having different shapes and specific gravities, and a method for processing electronic and electrical device part scraps using those devices. The raw material supply device includes a receiving port, a discharge port, a first guide surface, and a second guide surface on a surface opposing to the first guide surface. The processing device includes a first conveying unit, a raw material supply device, a second conveying unit, and a pyramid-shaped disperser. The processing method comprises a sorting step, wherein the sorting step comprises dropping the electronic and electrical device part scraps onto a plurality of dispersion surfaces of a pyramid-shaped disperser, and dispersing the electronic and electrical device part scraps in a plurality of directions on a conveying surface.

First claim

The invention claimed is:

1. A raw material supply device, comprising an accommodating portion which accommodates a raw material dropped from a conveying unit for conveying the raw material toward a front of the conveying unit and which feeds the raw material to a predetermined position, the raw material containing substances having different shapes and specific gravities,
wherein the raw material supply device comprises:
a receiving port having a first opening for receiving the raw material on a top surface of the accommodation portion;
a discharge port, having a second opening for discharging the raw material on a bottom surface of the accommodating portion, the second opening having a cross-sectional area lower than that of the first opening;
a first guide surface in a. front of a side surface of the accommodating portion, the first guide surface extending in a vertical direction through the discharge port from the receiving port to so as to be contacted with the raw material dropped toward the front of the conveying unit to guide the raw material downward; and
a second guide surface on a surface opposing to the first guide surface, of the side surface of the accommodating portion, the second guide surface being provided with an inclined surface that is continuous with the discharge port and is inclined with respect to a horizontal plane, and
wherein the first guide surface extends such that a lowermost end portion of the first guide surface is located below an intersection of an extended line extending in an inclination direction of the second guide surface with the first guide surface.

2. The raw material supply device according to claim 1 , wherein the raw material supply device has: a first dimension equal to or less than an effective width of a conveying surface of the conveying unit in a first direction that is parallel to an effective width direction of the conveying surface of the conveying unit; and a second dimension in a second direction that is orthogonal to the first direction, the second dimension being from 0.5 to 10 times a maximum diameter of the raw material.

3. A device for processing electronic and electrical device part scraps, comprising:
a first conveying unit for conveying a raw material containing substances having different shapes and specific gravities;
the raw material supply device according to claim 2 for supplying the raw material charged from the first conveying unit to its front to a predetermined position;
a second conveying unit for conveying the raw material to a processing device for processing the raw material, the second conveying unit being provided below the raw material supply device; and
a pyramid-shaped disperser arranged on a conveying surface of the second conveying unit, the disperser being provided with a plurality of dispersion surfaces for dispersing the raw material supplied from the raw material supply device in a plurality of directions on the conveying surface of the second conveying unit.

4. A device for processing electronic and electrical device part scraps, comprising:
a first conveying unit for conveying a raw material containing substances having different shapes and specific gravities;
the raw material supply device according to claim 1 for supplying the raw material charged from the first conveying unit to its front to a predetermined position;
a second conveying unit for conveying the raw material to a processing device for processing the raw material, the second conveying unit being provided below the raw material supply device; and
a pyramid-shaped disperser arranged on a conveying surface of the second conveying unit, the disperser being provided with a plurality of dispersion surfaces for dispersing the raw material supplied from the raw material supply device in a plurality of directions on the conveying surface of the second conveying unit.

5. The device for processing electronic and electrical device part scraps according to claim 4 , wherein the disperser has a raw material dropping region for receiving the raw material dropped from the raw material supply device, the disperser being provided below the discharge port of the raw material supply device, and wherein the disperser is arranged such that area ratios of the plurality of dispersion surfaces in the raw material dropping region are equal to each other.

6. The device for processing electronic and electrical device part scraps according to claim 4 , wherein a lowermost end portion of the first guide surface and the disperser are arranged at a distance of from 20 to 100 mm.

7. A method for processing electronic and electrical device part scraps, comprising a sorting step for sorting electronic and electrical device part scraps using a sorter, wherein the sorting step comprises dropping the electronic and electrical device part scraps onto a plurality of dispersion surfaces of a pyramid-shaped disperser, and dispersing the electronic and electrical device part scraps in a. plurality of directions on a conveying surface for conveying the electronic and electrical device part scraps to the sorter, wherein the method comprises supplying the electronic and electrical device part scraps onto the dispenser via the raw material supply device according to claim 1 .

8. A raw material supply device, comprising:
a first conveying unit for conveying a raw material containing substances having different shapes and specific gravities;
a second conveying unit for conveying the raw material to a processing device for processing the raw material, the second conveying unit being provided below the first conveying unit; and
a pyramid-shaped disperser having a raw material dropping region having a plurality of surfaces for receiving the raw material fed from the first conveying unit, the disperser being arranged on a conveying surface of the second conveying unit, the disperser being provided with a plurality of dispersion surfaces for dispersing the raw material dropped in the raw material dropping region in a plurality of directions on the conveying surface of the second conveying unit,
wherein ratios of the plurality of surfaces of the raw material dropping region are equal to each other.

9. The raw material supply device according to claim 8 , wherein the disperser is provided in an odd number and the disperser is preferably arranged so as to be aligned on the conveying surface such that one of the dispersion surfaces faces the conveying direction.

10. The raw material supply device according to claim 8 , wherein an inclination angle formed by the conveying surface and the dispersion surfaces is from 30 to 70°.

11. The raw material supply device according to claim 8 , wherein a height of the conveying surface of the first conveying unit with respect to the conveying surface is from 1.0 to 2.0 m.

Assignees

• Jx Nippon Mining & Metals Corp

Inventors

• Aoki Katsushi
• Tokita Yujiro

Classifications

• B65G11/026

  for bulk · CPC title

• B65G11/206 Primary

  for bulk · CPC title

• B07C5/00

  Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches (sorting by hand only B07C7/00; separating solids from solids by sieving, screening, or sifting or by using gas currents or other separating by dry methods applicable to bulk material B07B) · CPC title

• B65G2201/04

  Bulk · CPC title

• B65G47/44 Primary

  Arrangements or applications of hoppers or chutes · CPC title