Sorting device for recycling waste household appliances

By integrating pneumatic sorting, magnetic sorting and eddy current sorting mechanisms, multi-stage sorting of used household appliances is realized, which solves the problem of difficult material classification in existing equipment, improves sorting efficiency and accuracy, and reduces labor costs.

CN223234035UActive Publication Date: 2025-08-19HUBEI QICHUN XINFENG DISCARDED APPLIANCES DISMANTLING CO
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Patent Information

Application Number
CN202422254847.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-08-19
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

Existing waste household appliance recycling equipment cannot effectively collect different types of materials or debris, resulting in inefficient sorting.

Method used

The pneumatic sorting components, magnetic sorting mechanism and eddy current sorting mechanism are adopted to separate light materials by using the pneumatic motor-driven material fan plate, the eccentric magnetic roller adsorbs ferromagnetic metal, and the eddy current sorting mechanism separates nonferrous metals through an alternating magnetic field, and combines with a non-magnetic conductive sorting bed to achieve multi-stage sorting.

Benefits of technology

It improves the sorting efficiency and accuracy of used household appliances, reduces the cost and labor intensity of manual sorting, and ensures efficient classification and collection of different materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste recovery and treatment, discloses a sorting device for recovering waste household appliances, and solves the problem that different types of materials or scraps cannot be distinguished and collected in the conventional equipment. According to the device, the pneumatic separation assembly, the magnetic separation mechanism and the eddy current separation mechanism are integrated, multi-stage separation of waste household appliance materials is achieved, and the pneumatic separation assembly separates light materials through a pneumatic motor and a material stirring fan plate; the magnetic separation mechanism adopts an eccentric magnetic roller to adsorb ferromagnetic metal, and the ferromagnetic metal is collected through a magnetic metal collecting box; according to the eddy current separation mechanism, accurate separation of the non-ferrous metal is achieved through an alternating magnetic field generated by a magnetic field generator, and the flexibility of the separation process and the convenience of maintenance are further improved through a non-magnetic conductive material and a detachable design of a separation bed and a control unit on the magnetic field generator.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste recycling and processing, in particular to a sorting device for recycling waste household appliances. Background Art

[0002] With the rapid replacement of electronic products, the number of discarded home appliances has increased dramatically, posing a challenge to environmental and resource sustainability. Therefore, the recycling and sorting of discarded home appliances is not only crucial for environmental protection but also a crucial step in achieving resource recycling. Discarded home appliances typically contain a variety of materials, including lightweight materials, non-conductive materials, non-metallic materials, and fine metal particles.

[0003] The existing Chinese patent with publication number CN220975613U discloses a sorting device for fragments after dismantling of waste household appliances. Its core components include a sorting machine body, a frame, two conveyor belts (first and second conveyor belts), and two mounting frames (first and second mounting frames). A collection box is fixedly connected to the inner wall of each mounting frame to collect debris generated during the sorting process. A cleaning mechanism is installed inside the collection box, which is mainly composed of a rotating shaft and a cleaning roller. The cleaning roller is driven by a motor to rotate to clean the debris on the surface of the conveyor belt to prevent the debris from falling and polluting the working environment. In this solution, the cleaning roller may not be able to distinguish and clean different types of materials or debris, such as lightweight materials, non-conductive materials, non-metallic materials, magnetic metals, and non-ferrous metals.

[0004] In view of the above-mentioned related technologies, a sorting device for recycling used household appliances is now provided, which can eliminate the disadvantages of the existing devices. Utility Model Content

[0005] The purpose of the utility model is to provide a sorting device for recycling waste household appliances. The device is used to work, thereby solving the problem that the existing equipment cannot distinguish and collect different types of materials or debris.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a sorting device for recycling used household appliances, comprising a bar frame, wherein a foot column is fixedly connected to the bottom end of the bar frame, a conveyor belt is provided between two bar frames, one end of the conveyor belt is sleeved on a main roller, and the other end is sleeved on a slave roller, the main roller is driven by an external motor, and the main roller and the slave roller are both rotatably connected to the side walls of the bar frame, a pneumatic sorting component is provided near the feed end of the conveyor belt, a magnetic separation mechanism is provided in the middle of the bar frame, and an eddy current sorting mechanism is provided near the discharge end of the conveyor belt;

[0007] The pneumatic sorting component includes a nozzle, and multiple nozzles are fixedly installed at equal intervals on the side wall of the frame near the feed end of the conveyor belt. The top of the frame in the area where the nozzles are located is symmetrically fixed with a support frame, one of the support frames is fixedly installed with a pneumatic motor, and a material diverter fan plate is fixedly connected to the output shaft of the pneumatic motor, and the ends of the material diverter fan plate are rotatably set on the support frame.

[0008] Preferably, the magnetic separation mechanism includes a drive motor, which is fixedly installed in the slot in the middle of the frame. The output end of the drive motor is fixedly connected to a magnetic roller, and the other end of the magnetic roller is rotatably connected to the inner wall of the slot in the middle of the frame.

[0009] Preferably, the magnetic roller is an eccentric magnetic roller.

[0010] Preferably, a baffle is fixedly provided at the middle of the top end of the two racks, and a lightweight aggregate box is mounted on the top end of the baffle.

[0011] Preferably, the bottom end of the frame where the magnetic separation mechanism is located is connected to a magnetic metal collection box.

[0012] Preferably, the eddy current sorting mechanism includes a magnetic field generator and a sorting bed. The magnetic field generator is fixedly mounted on the outer wall of the main roller. The magnetic field generator is a roller composed of multiple groups of electromagnetic coils. The sorting bed is detachably connected to the outer wall of the frame near the discharge end of the conveyor belt.

[0013] Preferably, the magnetic field generator is provided with a control unit.

[0014] Preferably, there is a gap between the sorting bed and the conveyor belt and they are not in contact.

[0015] Preferably, the sorting bed is made of non-magnetic conductive material.

[0016] Preferably, the area above the sorting bed is provided with a non-ferrous metal box, and the area below the sorting bed is provided with a non-conductive material box.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. The utility model proposes a sorting device for recycling used household appliances. By integrating a pneumatic sorting component, a magnetic separation mechanism, and an eddy current sorting mechanism, it can effectively separate and classify different materials in used household appliances. The pneumatic sorting component uses a material-moving fan driven by a pneumatic motor to move lightweight materials blown up by the nozzle away from the conveyor belt, while the magnetic separation mechanism uses an eccentric magnetic roller to absorb and separate ferromagnetic metals and collect them. The eddy current sorting mechanism uses an alternating magnetic field generated by a magnetic field generator to repel non-ferrous metals, thereby achieving further material separation. This multi-stage sorting mechanism improves sorting efficiency and accuracy.

[0019] 2. The utility model proposes a sorting device for recycling used household appliances. The sorting bed is made of non-magnetic conductive material and maintains a gap between it and the conveyor belt to avoid interference that may be caused by direct contact, while ensuring the effective separation of non-ferrous metals. In addition, the detachable design of the sorting bed facilitates maintenance and replacement, and the control unit on the magnetic field generator allows fine adjustment of the sorting process to adapt to the sorting requirements of different material characteristics. These designs not only improve the automation level of the sorting operation, but also reduce the cost and labor intensity of manual sorting. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a structural diagram of one side of the utility model;

[0022] Figure 3 This is a schematic diagram of the position structure of various material collection boxes of the present utility model;

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model along the length direction of the conveyor belt.

[0024] In the figure: 1. Frame; 11. Foot; 2. Conveyor belt; 21. Main roller; 22. Slave roller; 3. Pneumatic sorting assembly; 31. Nozzle; 32. Support frame; 33. Pneumatic motor; 34. Material fan; 35. Lightweight collection box; 4. Magnetic separation mechanism; 41. Drive motor; 42. Magnetic roller; 43. Magnetic metal collection box; 5. Eddy current sorting mechanism; 51. Magnetic field generator; 52. Sorting bed; 53. Non-ferrous metal box; 54. Non-conductive material box; 6. Baffle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0027] Combine Figure 1-Figure 4, a sorting device for recycling used household appliances, including a bar frame 1, the bottom end of the bar frame 1 is fixedly connected to a foot column 11, which ensures the stability and load-bearing capacity of the device. A conveyor belt 2 is provided between the two bars 1, one end of the conveyor belt 2 is sleeved on the main roller 21, and the other end is sleeved on the slave roller 22. The main roller 21 is driven by an external motor, and the main roller 21 and the slave roller 22 are both rotatably connected to the side walls of the two bars 1, ensuring the continuity and smoothness of the conveying process. A baffle 6 is fixedly provided at the middle of the top of the two bars 1, and a lightweight collection box 35 is provided at the top of the baffle 6 for collecting lightweight materials in the sorting process, thereby improving the classification and collection efficiency of the materials. A pneumatic sorting component 3 is provided on the bar frame 1 near the feeding end of the conveyor belt 2, a magnetic separation mechanism 4 is provided in the middle of the bar frame 1, and an eddy current sorting mechanism 5 is provided on the bar frame 1 near the discharging end of the conveyor belt 2;

[0028] The pneumatic sorting assembly 3 includes nozzles 31, multiple nozzles 31 fixedly mounted at equal intervals on the sidewall of the frame 1 near the feed end of the conveyor belt 2. These nozzles 31 generate airflow, achieving a preliminary separation of lightweight materials. Support frames 32 are symmetrically fixed to the top of the frame 1 in the area where the nozzles 31 are located. A pneumatic motor 33 is fixedly mounted on one of these supports 32. A material-diverting fan 34 is fixedly attached to the output shaft of the pneumatic motor 33, providing power for the fan 34. The ends of the fan 34 are rotatably mounted on the support frame 32, further assisting in the separation of materials.

[0029] The magnetic separation mechanism 4 includes a drive motor 41, which is fixedly installed in the slot in the middle of the frame 1. The output end of the drive motor 41 is fixedly connected to a magnetic roller 42, and the other end of the magnetic roller 42 is rotatably connected to the inner wall of the slot in the middle of the frame 1; the magnetic roller 42 is an eccentric magnetic roller, which effectively absorbs and separates ferromagnetic metal materials; the bottom end of the frame 1 where the magnetic separation mechanism 4 is located is connected to a magnetic metal collection box 43 for collecting designated sorted materials.

[0030] The eddy current sorting mechanism 5 includes a magnetic field generator 51 and a sorting bed 52. The magnetic field generator 51 is fixedly mounted on the outer wall of the main roller 21. The magnetic field generator 51 is a roller composed of multiple groups of electromagnetic coils. The sorting bed 52 is detachably connected to the outer wall of the frame 1 near the discharge end of the conveyor belt 2. The magnetic field generator 51 is provided with a control unit, which can adjust the magnetic field strength to meet the sorting requirements of different materials. There is a gap between the sorting bed 52 and the conveyor belt 2 and they do not contact each other. The sorting bed 52 is made of non-magnetic conductive material to achieve effective separation of non-ferrous metal materials. The area above the sorting bed 52 is provided with a non-ferrous metal box 53, and the area below the sorting bed 52 is provided with a non-conductive material box 54 to complete the entire sorting process.

[0031] Working principle: the frame 1 supports the entire structure, and its bottom end is fixed by the foot column 11 to form a stable base; the conveyor belt 2 runs between the frames 1 and is driven by the main roller 21 and the slave roller 22. The main roller 21 is powered by an external motor; the baffle 6 and the lightweight aggregate box 35 are located at the top of the frame 1 to collect lightweight materials; the pneumatic sorting component 3 uses the airflow generated by the nozzle 31 to preliminarily separate the lightweight materials, while the support frame 32 and the pneumatic motor 33 provide power for the material-diverting fan plate 34 to further assist the separation; the magnetic separation mechanism 4 uses the drive motor 41 to drive the eccentric magnetic roller 42 to effectively adsorb ferromagnetic metals and collect them through the magnetic metal collection box 43; the eddy current sorting mechanism 5 consists of a magnetic field generator 51 and a sorting bed 52. The magnetic field generator 51 adjusts the magnetic field strength through the control unit. The sorting bed 52 is made of non-magnetic conductive material and maintains a gap with the conveyor belt 2 to achieve precise separation of non-ferrous metals. The non-ferrous metal box 53 and the non-conductive material box 54 collect different materials respectively. The design of the entire device ensures efficient and accurate sorting of various materials in waste household appliances.

[0032] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sorting device for recycling waste household appliances, comprising a bar frame (1), wherein the bottom end of the bar frame (1) is fixedly connected to a foot column (11), a conveyor belt (2) is provided between two of the bar frames (1), one end of the conveyor belt (2) is sleeved on a main roller (21), and the other end is sleeved on a slave roller (22), the main roller (21) is driven by an external motor, and the main roller (21) and the slave roller (22) are both rotatably connected to the side walls of the two bar frames (1), characterized in that: The bar frame (1) is provided with a pneumatic separation component (3) near the feeding end of the conveyor belt (2), a magnetic separation mechanism (4) is provided in the middle of the bar frame (1), and an eddy current separation mechanism (5) is provided near the discharging end of the conveyor belt (2); The pneumatic sorting component (3) includes a nozzle (31), and a plurality of the nozzles (31) are fixedly installed at equal intervals on the side wall of the frame (1) near the feeding end of the conveyor belt (2). The top of the frame (1) in the area where the nozzles (31) are located is symmetrically fixed with a support frame (32), and a pneumatic motor (33) is fixedly installed on one of the support frames (32). A material-diverting fan plate (34) is fixedly connected to the output shaft of the pneumatic motor (33), and the ends of the material-diverting fan plate (34) are both rotatably arranged on the support frame (32).

2. The sorting device for recycling used household appliances according to claim 1, characterized in that: The magnetic separation mechanism (4) includes a drive motor (41), which is fixedly installed in a slot in the middle of the bar frame (1). The output end of the drive motor (41) is fixedly connected to a magnetic roller (42), and the other end of the magnetic roller (42) is rotatably connected to the inner wall of the slot in the middle of the bar frame (1).

3. The sorting device for recycling used household appliances according to claim 2, characterized in that: The magnetic roller (42) is an eccentric magnetic roller.

4. The sorting device for recycling used household appliances according to claim 1, characterized in that: A baffle (6) is fixedly provided at the middle of the top end of each of the two strip racks (1), and a lightweight material collection box (35) is provided at the top end of the baffle (6).

5. The sorting device for recycling used household appliances according to claim 1, characterized in that: The bottom end of the bar frame (1) where the magnetic separation mechanism (4) is located is connected to a magnetic metal collecting box (43).

6. The sorting device for recycling used household appliances according to claim 1, characterized in that: The eddy current separation mechanism (5) comprises a magnetic field generator (51) and a separation bed (52); the magnetic field generator (51) is fixedly sleeved on the outer wall of the main roller (21); the magnetic field generator (51) is a roller composed of multiple groups of electromagnetic coils; and the separation bed (52) is detachably connected to the outer wall of the frame (1) near the discharge end of the conveyor belt (2).

7. The sorting device for recycling used household appliances according to claim 6, characterized in that: The magnetic field generator (51) is provided with a control unit.

8. The sorting device for recycling used household appliances according to claim 6, characterized in that: There is a gap between the sorting bed (52) and the conveyor belt (2) and they are not in contact.

9. The sorting device for recycling used household appliances according to claim 6, characterized in that: The separation bed (52) is made of non-magnetic conductive material.

10. The sorting device for recycling used household appliances according to claim 6, characterized in that: The area above the separation bed (52) is provided with a non-ferrous metal box (53), and the area below the separation bed (52) is provided with a non-conductive material box (54).

Citation Information

Patent Citations

  • A device for sorting fragments of dismantled waste household appliances

    CN220975613U