A scrap iron recycling magnetic separation device

Abstract

The utility model discloses a kind of waste iron recovery magnetic separation devices, relate to waste iron recovery magnetic separation device field.The utility model: including support frame, the inside of support frame is equipped with first conveyer belt, second conveyer belt, the second conveyer belt is below first conveyer belt, driving mechanism is installed on the first conveyer belt, for driving first conveyer belt, second conveyer belt, the inside of first conveyer belt, second conveyer belt is respectively supported and is equipped with first magnetic separation roller, second magnetic separation roller, the first conveyer belt, second conveyer belt are used to twice screening to raw material, the utility model is integrated first conveyer belt and second conveyer belt by support frame, constructs two-stage magnetic separation system, first magnetic separation roller carries out primary sorting to mixed raw material, second magnetic separation roller secondary adsorption to residual iron material, effectively reduce non-ferrous impurities entrainment problem;While two-stage conveyer belt upper and lower layout, weak magnetic material is separated using gravity auxiliary, improve iron element recovery rate.

Description

Technical Field

[0001] This utility model relates to the field of magnetic separation devices for scrap iron recycling, specifically a magnetic separation device for scrap iron recycling. Background Technology

[0002] Magnetic separation devices for scrap iron recycling are environmentally friendly equipment that use magnetic force to efficiently separate iron-based metals. They achieve separation based on the magnetic difference between ferromagnetic materials and non-magnetic substances. The device mainly uses electromagnets or permanent magnets to generate magnetic fields and can process various iron-containing wastes such as industrial waste, scrapped vehicle metal parts, and building steel bars. Compared with traditional sorting methods, magnetic separation technology has the advantages of high efficiency, low energy consumption, and low labor costs.

[0003] Currently, magnetic separators use a magnetic roller supported inside a conveyor belt. The high-speed rotation of the magnetic roller causes the belt to move, and the magnetic roller's magnetic properties attract and separate ferrous metal blocks for collection. However, a problem exists in its actual use: while ferrous metal blocks are attracted to the belt surface by the magnetic roller, non-ferrous substances may be trapped between the ferrous metal blocks and the belt, resulting in poor separation and reduced ease of use. Therefore, the inventors urgently need to design a magnetic separator mechanism to further improve the separation effect of scrap iron. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a magnetic separation device for scrap iron recycling, so as to solve the technical problem of poor separation effect of current magnetic separators in practical applications.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a magnetic separation device for scrap iron recycling, comprising a support frame, a first conveyor belt and a second conveyor belt installed on the inner side of the support frame, the second conveyor belt being located below the first conveyor belt, a drive mechanism installed on the first conveyor belt for driving the first conveyor belt and the second conveyor belt, a first magnetic separation roller and a second magnetic separation roller respectively being internally supported on the inner side of the first conveyor belt and the second conveyor belt, the first conveyor belt and the second conveyor belt being used to perform two screenings on the raw materials.

[0006] By adopting the above technical solution, a two-stage magnetic separation system is constructed by integrating the first and second conveyor belts through a support frame. The first magnetic separation roller is supported inside the first conveyor belt to perform initial adsorption and separation of the mixed raw materials, and quickly separate most of the iron elements.

[0007] Furthermore, a first collection frame and a second collection frame are respectively placed below both sides of the second conveyor belt. The first collection frame is used to collect non-ferrous element raw materials, and the second collection frame is used to collect raw materials containing ferrous elements.

[0008] By adopting the above technical solution, the first and second collection boxes set below the second conveyor belt achieve precise classification and recycling: non-ferrous raw materials are guided to the first collection box by the limiting frame after two-stage screening, while ferrous raw materials fall into the second collection box after being enhanced by magnetic separation twice.

[0009] Furthermore, a magnetic plate is movably installed on the inner side of the first conveyor belt. The magnetic plate is movably connected to the support frame through a screw and a nut, and can slide laterally to adjust the position of the iron-based raw material falling onto the second conveyor belt.

[0010] By adopting the above technical solution, a transverse sliding magnetic plate is added to the inner side of the first conveyor belt. The position is adjusted by linking the support frame with the screw and nut mechanism. The landing position of the iron raw material after leaving the primary magnetic separation area can be dynamically controlled to ensure that the material falls accurately into the effective magnetic separation area of ​​the second conveyor belt.

[0011] Furthermore, the driving mechanism includes a drive motor, and a first sprocket and a second sprocket are fixedly connected to one side of the first magnetic separation roller. The output end of the drive motor is connected to the first sprocket via the sprocket.

[0012] A third sprocket is fixedly installed on one side of the second magnetic separator, and the first magnetic separator and the second magnetic separator are connected by the second sprocket, the third sprocket and the chain drive.

[0013] By adopting the above technical solution, the drive mechanism is directly linked to the drive motor through the first sprocket, which drives the first magnetic separation roller to drive the first conveyor belt; at the same time, the second magnetic separation roller is synchronously driven by the second sprocket, the third sprocket and the chain, realizing the coordinated operation of the two conveyor belts driven by a single motor. This mechanical transmission setting ensures that the speeds of the two conveyor belts are strictly matched, avoiding material accumulation or sorting misalignment due to asynchronous operation.

[0014] Furthermore, a limiting frame is fixedly provided on one side of the support frame to restrict non-ferrous element raw materials from falling into the interior of the first collection frame.

[0015] The first and second collection frames are equipped with rollers below them, and the drive motor is electrically connected to an external power source through a controller.

[0016] By adopting the above technical solution, the limiting frame fixed on the side of the support frame constrains the falling trajectory of non-ferrous raw materials, accurately guiding them into the first collection frame and preventing them from scattering and contaminating the iron material collection area.

[0017] In summary, the present invention has the following main advantages: 1. This utility model integrates a first conveyor belt and a second conveyor belt through a support frame to construct a two-stage magnetic separation system. The first magnetic separation roller performs initial separation of the mixed raw materials, and the second magnetic separation roller performs secondary adsorption of residual iron materials, effectively reducing the problem of non-ferrous impurities being carried in. At the same time, the two-stage conveyor belts are arranged vertically to utilize gravity to assist in the separation of weakly magnetic materials, thereby improving the iron element recovery rate. 2. This utility model uses a sliding magnetic plate on the inner side of the first conveyor belt, which is laterally adjusted by a screw and nut to control the position of the iron material falling onto the second conveyor belt, thus adapting to the sorting requirements of scrap iron with different particle sizes or densities. At the same time, it optimizes the distribution of materials in the secondary magnetic separation zone to avoid sorting failure caused by material drop deviation. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a side view of the structure of this utility model; Figure 4 This utility model Figure 3 A magnified structural diagram of point A in the middle.

[0019] In the figure: 1. Support frame; 2. First conveyor belt; 3. Second conveyor belt; 4. Drive mechanism; 401. First sprocket; 402. Second sprocket; 403. Chain; 404. Third sprocket; 5. First magnetic separator; 6. Second magnetic separator; 7. Limiting frame; 801. First collection frame; 802. Second collection frame; 9. Magnetic plate. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0021] In this embodiment: A magnetic separation device for scrap iron recycling, such as Figure 1-4As shown, the system includes a support frame 1. A first conveyor belt 2 and a second conveyor belt 3 are installed on the inner side of the support frame 1. The second conveyor belt 3 is located below the first conveyor belt 2. A drive mechanism 4 is installed on the first conveyor belt 2 to drive the first conveyor belt 2 and the second conveyor belt 3. A first magnetic separation roller 5 and a second magnetic separation roller 6 are respectively installed on the inner side of the first conveyor belt 2 and the second conveyor belt 3. The first conveyor belt 2 and the second conveyor belt 3 are used to perform two screenings of the raw materials. The support frame 1 integrates the first conveyor belt 2 and the second conveyor belt 3 to construct a two-stage magnetic separation system. The first magnetic separation roller 5 is installed inside the first conveyor belt 2 to perform the initial adsorption and separation of the mixed raw materials, quickly separating most of the iron elements. At the same time, the second conveyor belt 3 is located below and equipped with the second magnetic separation roller 6 to perform secondary magnetic separation on the residual iron material after the initial separation. This dual-belt synergistic setting significantly improves the iron element recovery rate and avoids the problem of non-ferrous impurities being entrained due to material stacking in single-stage magnetic separation. At the same time, the layered conveying structure makes full use of gravity to assist separation and reduces the magnetic separation blind zone.

[0022] See Figure 1 , Figure 2 A first collection frame 801 and a second collection frame 802 are respectively placed on both sides of the lower part of the second conveyor belt 3. The first collection frame 801 is used to collect non-ferrous raw materials, and the second collection frame 802 is used to collect raw materials containing ferrous elements. The first collection frame 801 and the second collection frame 802 set under the second conveyor belt 3 realize precise classification and recycling: non-ferrous raw materials are guided to the first collection frame 801 by the limiting frame 7 after two-stage screening, while ferrous raw materials fall into the second collection frame 802 after two magnetic separations to enhance adsorption. At the same time, the separate layout of the two collection frames eliminates cross-contamination and ensures the purity of the recycled materials. The bottom roller design makes it easy for operators to move the collection frames flexibly to adapt to different working conditions, while reducing the frequency of downtime for cleaning and significantly improving the efficiency of continuous operation.

[0023] See Figure 1 , Figure 2 , Figure 3 A magnetic plate 9 is movably installed on the inner side of the first conveyor belt 2. The magnetic plate 9 is movably connected to the support frame 1 through a screw and nut and can slide laterally. It is used to adjust the position of the iron-based raw material falling onto the second conveyor belt 3. The addition of the lateral sliding magnetic plate 9 on the inner side of the first conveyor belt 2 and the position adjustment through the screw and nut mechanism linked to the support frame 1 can dynamically control the landing position of the iron-based raw material after leaving the primary magnetic separation area, ensuring that the material falls accurately into the effective magnetic separation area of ​​the second conveyor belt 3. At the same time, the adjustability of the magnetic plate position can adapt to the sorting needs of scrap iron with different particle sizes or densities. For example, for light and thin fragments, the falling distance can be increased to prolong the magnetic attraction time, or the falling distance can be shortened for heavy scrap iron to prevent splashing, thereby optimizing the secondary sorting accuracy.

[0024] See Figure 1 , Figure 2 , Figure 3 , Figure 4 The drive mechanism 4 includes a drive motor. A first sprocket 401 and a second sprocket 402 are fixedly connected to one side of the first magnetic separation roller 5. The output end of the drive motor is connected to the drive motor through the sprocket and the first sprocket 401.

[0025] A third sprocket 404 is fixedly installed on one side of the second magnetic separator 6. The first magnetic separator 5 and the second magnetic separator 6 are connected by a second sprocket 402, a third sprocket 404, and a chain 403. The drive mechanism 4 is directly linked to the drive motor through the first sprocket 401, which drives the first magnetic separator 5 to drive the first conveyor belt 2. At the same time, the second magnetic separator 6 is synchronously driven by the second sprocket 402, the third sprocket 404, and the chain 403, realizing the coordinated operation of the two conveyor belts driven by a single motor. This mechanical transmission setting ensures that the speeds of the two conveyor belts are strictly matched, avoiding material accumulation or sorting misalignment due to asynchronous operation. At the same time, the sprocket structure has low maintenance costs, can withstand high load operation, and ensures the long-term stability of the equipment.

[0026] See Figure 1 A limit frame 7 is fixedly installed on one side of the support frame 1 to restrict the non-ferrous element raw materials from falling into the interior of the first collection frame 801.

[0027] Rollers are installed below the first collection frame 801 and the second collection frame 802. The drive motor is electrically connected to an external power supply through a controller. The limiting frame 7 fixed on the side of the support frame 1 constrains the falling trajectory of non-ferrous raw materials and accurately guides them into the first collection frame 801 to prevent them from scattering and contaminating the iron material collection area. At the same time, the rollers at the bottom of the first / second collection frame facilitate quick transfer and dumping. With the external controller of the drive motor, start-stop speed regulation is realized to form an operation closed loop. The overall solution integrates sorting guidance, collection and transportation and power control into a high-efficiency system, which significantly reduces the intensity of manual intervention and improves the automation level of the sorting process.

[0028] The implementation principle of this embodiment is as follows: After the mixed waste is put into the first conveyor belt 2 on the support frame 1, the drive mechanism 4 drives the first magnetic separation roller 5 to operate through the first sprocket 401 and chain 403, which drives the first conveyor belt 2 to move. The magnetic force of the first magnetic separation roller 5 adsorbs the iron-containing material and attaches it to the surface of the belt, while the non-iron material falls off from the edge of the conveyor belt due to gravity. When the iron-containing material adsorbed by the first magnetic separator 5 is transported to the end, the falling position is adjusted by the horizontally sliding magnetic plate 9 so that the iron material falls accurately onto the surface of the second conveyor belt 3. The second magnetic separator 6 is linked with the drive mechanism 4 through the second sprocket 402 and the third sprocket 404 to drive the second conveyor belt 3 to run and perform secondary magnetic separation, thereby enhancing the adsorption effect of iron elements. Non-ferrous materials are guided by the limiting frame 7 and fall into the first collection frame 801; the ferrous materials after secondary sorting are carried by the second conveyor belt 3 to the end to leave the magnetic zone and fall into the second collection frame 802. The rollers at the bottom of the two sets of collection frames facilitate movement and cleaning, completing the entire separation and recycling process.

[0029] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A magnetic separation device for scrap iron recycling, characterized in that: Includes a support frame (1), on the inner side of which a first conveyor belt (2) and a second conveyor belt (3) are installed. The second conveyor belt (3) is located below the first conveyor belt (2). A drive mechanism (4) is installed on the first conveyor belt (2) to drive the first conveyor belt (2) and the second conveyor belt (3). The inner sides of the first conveyor belt (2) and the second conveyor belt (3) are respectively supported by a first magnetic separation roller (5) and a second magnetic separation roller (6). The first conveyor belt (2) and the second conveyor belt (3) are used to screen the raw materials twice.

2. The scrap iron recycling magnetic separation device according to claim 1, characterized in that: A first collection frame (801) and a second collection frame (802) are respectively placed on the lower sides of the second conveyor belt (3). The first collection frame (801) is used to collect non-ferrous element raw materials, and the second collection frame (802) is used to collect raw materials containing ferrous elements.

3. The scrap iron recycling magnetic separation device according to claim 1, characterized in that: A magnetic plate (9) is movably installed on the inner side of the first conveyor belt (2). The magnetic plate (9) is movably connected to the support frame (1) through a screw and nut, and can slide laterally to adjust the position of the iron-based raw material falling onto the second conveyor belt (3).

4. The scrap iron recycling magnetic separation device according to claim 2, characterized in that: The driving mechanism (4) includes a driving motor. A first sprocket (401) and a second sprocket (402) are fixedly connected to one side of the first magnetic separation roller (5). The output end of the driving motor is connected to the first sprocket (401) through the sprocket.

5. The scrap iron recycling magnetic separation device according to claim 1, characterized in that: A third sprocket (404) is fixedly provided on one side of the second magnetic separation roller (6), and the first magnetic separation roller (5) and the second magnetic separation roller (6) are connected by a second sprocket (402), a third sprocket (404), and a chain (403).

6. The scrap iron recycling magnetic separation device according to claim 1, characterized in that: A limiting frame (7) is fixedly provided on one side of the support frame (1) to restrict the non-ferrous element raw materials from falling into the interior of the first collection frame (801).

7. The scrap iron recycling magnetic separation device according to claim 4, characterized in that: Rollers are installed below the first collection box (801) and the second collection box (802), and the drive motor is electrically connected to an external power source through a controller.

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