Magnetic material sorting apparatus

Abstract

The present application belongs to the technical field of magnetic material sorting, in particular to a magnetic material sorting device. The present application proposes the following scheme, which comprises a conveying belt, a plurality of magnetic attraction sorting assemblies are arranged in the extension direction of the conveying belt, each magnetic attraction sorting assembly is provided with two horizontally arranged magnetic attraction cylinders, the axis of each magnetic attraction cylinder is arranged in parallel with the extension direction of the conveying belt, each magnetic attraction cylinder is rotatably arranged, a plurality of radial magnetic shielding plates are fixed in each magnetic attraction cylinder, the magnetic attraction cylinder is divided into a plurality of magnetic cavities and magnetic shielding cavities by the magnetic shielding plates, a magnetic block is fixed in each magnetic cavity, and the magnetic blocks in the adjacent two magnetic attraction cylinders are arranged at intervals. The reverse rotation of the magnetic attraction cylinders on both sides of the conveying belt and the interval arrangement of the magnetic blocks enable the broken materials on the conveying belt to move to both sides, thereby avoiding the materials from moving in a pile and avoiding too many non-magnetic materials from being accumulated with the magnetic materials and being taken out, so as to improve the effectiveness of the magnetic attraction sorting after the materials are dispersed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of magnetic material sorting, in particular to a magnetic material sorting device. BACKGROUND

[0002] Magnetic material is composed of ferromagnetic or ferrimagnetic material, and the existing magnetic material in waste is generally recovered by a sorting device. The whole waste with magnetic material is usually crushed, and then the magnetic material is sorted by using the attraction of a magnet.

[0003] In the prior art, the sorting of magnetic material is usually performed by directly piling up the crushed waste and extending a magnetic block into the waste for magnetic attraction sorting, or by continuously conveying the crushed waste by using a conveying belt and then performing magnetic attraction sorting by using a magnetic block at a corresponding station. However, regardless of the piling-up type or the conveying type, the magnetic material in the crushed waste is usually in a pile, and when the magnetic material is attracted, the pile is easily pressed to carry out part of the non-magnetic material, thereby affecting the overall sorting efficiency and sorting effect. SUMMARY

[0004] Based on the technical problem in the background art, the present application provides a magnetic material sorting device.

[0005] The magnetic material sorting device provided by the present application comprises a conveying belt, a plurality of magnetic attraction sorting assemblies are arranged in the extension direction of the conveying belt, each magnetic attraction sorting assembly comprises two horizontally arranged magnetic attraction cylinders, the axis of each magnetic attraction cylinder is arranged in parallel with the extension direction of the conveying belt, each magnetic attraction cylinder is rotatably arranged, a plurality of radial magnetic shielding plates are fixed in each magnetic attraction cylinder, the inside of each magnetic attraction cylinder is divided into a plurality of magnetic cavities and a plurality of magnetic shielding cavities by the magnetic shielding plates, a magnetic block is fixed in each magnetic cavity, the magnetic blocks in the two adjacent magnetic attraction cylinders are arranged at intervals, and a scraper is arranged at the middle position of the side of each magnetic attraction cylinder away from the conveying belt.

[0006] Preferably, a cover plate is rotatably connected to each end of the magnetic attraction cylinder, a mounting bracket is fixed to the end of the cover plate away from the magnetic attraction cylinder, a driving motor is drivingly connected to one end of the magnetic attraction cylinder, the driving motor is fixedly connected to the mounting bracket, a storage box is arranged at a position corresponding to the magnetic attraction cylinder on each side of the conveying belt, and the two ends of the scraper are fixedly connected to the two mounting brackets, respectively.

[0007] Preferably, a horizontally arranged air extraction pipe is arranged at a position close to the magnetic attraction cylinder at the top of the scraper, the two ends of the air extraction pipe are fixedly connected to the two mounting brackets, respectively, a plurality of air extraction openings are connected to the side of the air extraction pipe close to the magnetic attraction cylinder, and the air extraction openings extend towards the contact position of the magnetic attraction cylinder and the scraper.

[0008] Preferably, a through hole is formed in the driving rod, the both ends of the through hole are communicated with the magnetic isolation cavity, a extension rod is slidably connected to the inner wall of the through hole, the both ends of the extension rod are fixedly connected with a connecting rod, the connecting rod is arranged in parallel with the axis of the magnetic suction cylinder, the connecting rod is made of magnetic material, and a plurality of elastic bands are connected to the outer wall of the connecting rod.

[0009] Preferably, a plurality of contact blocks are fixedly connected to the inner wall of the magnetic suction cylinder in the magnetic isolation cavity, the contact blocks extend along the axis direction of the magnetic suction cylinder, a through hole is formed in the outer wall of the contact block at a position corresponding to the elastic band, the outer wall of the elastic band is slidably connected to the inner wall of the through hole, the end of the elastic band away from the connecting rod is fixedly connected with the contact block, and a collision ball is fixedly connected to the outer wall of the elastic band at a position between two adjacent contact blocks.

[0010] Preferably, a fixing frame is arranged on the side of the mounting frame facing the magnetic suction cylinder, a rotatable dispersion assembly is arranged between the two fixing frames, a dust suction duct is fixedly connected below the fixing frame, a dust filter bag is connected to the end of the dust suction duct away from the dispersion assembly, and a baffle is fixedly connected to the top of the storage box on the side away from the magnetic suction cylinder between the two mounting frames.

[0011] Preferably, the dispersion assembly is provided with a rotating rod rotatably connected to the fixing frame at both ends, a plurality of sliding holes are formed in the outer wall of the rotating rod, a sliding rod is slidably connected to the inner wall of the sliding hole, a dispersion plate is fixedly connected to one end of the sliding rod, a limiting block is fixedly connected to the end of the sliding rod away from the dispersion plate, and a spring one is connected between the limiting block and the rotating rod.

[0012] Preferably, the dispersion plates on the rotating rod are spirally arranged, and adjacent two dispersion plates have an overlapping part in the axis direction of the rotating rod.

[0013] Preferably, a limiting sliding block is horizontally limited and slidably arranged at the middle position of the fixing frame, a spring two is connected between one side of the limiting sliding block and the inner wall of the fixing frame, a rotating hole is formed in the side wall of the limiting sliding block, and the both ends of the outer wall of the rotating rod are rotatably connected to the inner wall of the rotating hole through bearings.

[0014] The beneficial effects in the application are as follows:

[0015] 1. In the embodiment of the application, the reverse rotation of the magnetic suction cylinders on the both sides of the conveying belt and the interval arrangement of the magnetic blocks ensure the continuity of the magnetic suction sorting, the broken material on the conveying belt moves to both sides in a dispersed manner, the material is prevented from moving in a piled manner, too much non-magnetic material is prevented from being accumulated with the magnetic material and being taken out, the effectiveness of the magnetic suction sorting after the material dispersion is improved, the sorting effect of the magnetic material is improved, and the work efficiency is improved.

[0016] 2. In the embodiment of the present invention, after most of the magnetic materials are sorted out, the dust-like non-magnetic materials are absorbed by the upper exhaust pipe and exhaust port, thereby further improving the removal effect of the non-magnetic materials in the magnetic materials sorted by magnetic attraction, thereby improving the sorting effect and sorting efficiency.

[0017] 3. In the embodiment of the present invention, during the rotation of the magnetic cylinder, as the magnetic force changes and the magnetically attracted material collides with the shell of the magnetic cylinder, the extension rod, in cooperation with the elastic band, generates reciprocating motion, causing the elastic band to stretch back and forth, and causing the collision ball to swing and collide with the inner wall of the magnetic cylinder and the contact block, thereby improving the separation effect between the material and the magnetic cylinder at the scraper position; and the mechanical vibration of the magnetic cylinder improves the separation and dispersion effect of non-magnetic materials at the magnetic attraction position.

[0018] 4. In the embodiment of the present invention, as the material falls, it hits the dispersion assembly, causing the dispersion assembly to rotate, thereby rotating and dispersing the material that falls after magnetic attraction, and the dust in the dispersed material is absorbed and separated by the dust suction ducts at both ends, so that the dispersion plate moves back and forth along the sliding rod, and the dispersion plate moves back and forth horizontally along the fixed frame along the rotating rod, thereby increasing the disorder of the collision between the dispersion plate and the outer wall of the magnetic suction cylinder, thereby improving the actual sorting effect of the magnetic material and improving the sorting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a magnetic material sorting device proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of a magnetic suction cylinder of a magnetic material sorting device proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the distribution structure of the magnetic suction cylinder, scraper and dispersion components of a magnetic material sorting device proposed by the present invention;

[0022] Figure 4 This is a schematic diagram of the structure inside the magnetic isolation cavity of a magnetic material sorting device proposed by the present invention;

[0023] Figure 5 This is a schematic diagram of the mounting structure of a magnetic material sorting device proposed by the present invention;

[0024] Figure 6 This is a schematic diagram of the dispersed component structure of a magnetic material sorting device proposed by the present invention;

[0025] Figure 7 This is a schematic diagram of the dispersion plate structure of a magnetic material sorting device proposed in the present invention.

[0026] In the figure: 1 conveying belt, 2 magnetic suction cylinder, 201 magnetic cavity, 202 magnetic shielding cavity, 3 cover plate, 4 mounting frame, 5 driving motor, 6 driving rod, 7 magnetic shielding plate, 8 magnetic block, 9 storage box, 10 scraper, 11 air suction pipe, 12 air suction port, 13 extension rod, 14 connecting rod, 15 elastic belt, 16 collision ball, 17 contact block, 18 fixing frame, 19 dispersion assembly, 20 baffle, 21 dust suction pipe, 22 dust filter bag, 23 rotating rod, 24 sliding rod, 25 dispersion plate, 26 spring I, 27 limit sliding block, 28 spring II. DETAILED DESCRIPTION

[0027] Example 1

[0028] Reference Figures 1-2 A magnetic material sorting device, comprising a conveying belt 1, a plurality of magnetic suction sorting assemblies are arranged in the extension direction of the conveying belt 1, the magnetic suction sorting assembly is provided with two horizontally placed magnetic suction cylinders 2, the two magnetic suction cylinders 2 are respectively located on both sides of the conveying belt 1, the axis of the magnetic suction cylinder 2 is arranged in parallel with the extension direction of the conveying belt 1, the magnetic suction cylinder 2 is rotationally arranged, the side of the magnetic suction cylinder 2 close to the center position of the conveying belt 1 moves downward, a plurality of radially extending magnetic shielding plates 7 are fixed in the magnetic suction cylinder 2, the magnetic suction cylinder 2 is divided into spaced magnetic cavities 201 and magnetic shielding cavities 202 by the magnetic shielding plates 7, magnetic blocks 8 are fixed in the magnetic cavities 201, the magnetic blocks 8 in the adjacent two magnetic suction cylinders 2 are arranged in a spaced manner, a horizontally placed scraper 10 is arranged at the middle position of the side of the magnetic suction cylinder 2 away from the conveying belt 1, referring to Figures 3-5 Both ends of the magnetic suction cylinder 2 are rotationally connected with the cover plate 3, the end of the cover plate 3 away from the magnetic suction cylinder 2 is fixed with the mounting frame 4, the mounting frame 4 is fixedly connected between the ground or the frame body of the conveying belt 1, the axis position of the magnetic suction cylinder 2 is provided with the driving rod 6 rotationally connected with the cover plate 3 at both ends, the magnetic shielding plate 7 is fixed at the position between the outer wall of the driving rod 6 and the inner wall of the magnetic suction cylinder 2, one end of the driving rod 6 is transmissionally connected with the driving motor 5, the driving motor 5 is fixedly connected with the mounting frame 4, the storage box 9 is placed at the positions corresponding to the magnetic suction cylinder 2 on both sides of the conveying belt 1, the both ends of the scraper 10 are fixedly connected between the two mounting frames 4, in the sorting operation, the broken materials are continuously conveyed to one end by the conveying belt 1; and the magnetic suction cylinders 2 on both sides of the conveying belt 1 are rotated by the driving motor 5, so that the bottom ends of the two magnetic suction cylinders 2 close to the conveying belt 1 are rotated outward, and the magnetic blocks 8 in the two magnetic suction cylinders 2 are close to the conveying belt 1 in a spaced manner;

[0029] When the magnetic block 8 in the magnetic suction cylinder 2 rotates to approach the conveying belt 1, the magnetic material of the conveying belt 1 is magnetically attracted and attached to the outer wall of the magnetic suction cylinder 2, and moves outward along with the rotation of the magnetic suction cylinder 2, and is scraped off or blocked by the scraper 10, and falls into the storage box 9 when the magnetic suction cylinder 2 rotates to the magnetic isolation cavity 202, so as to realize the sorting of the magnetic material on the conveying belt 1; and through the reverse rotation of the magnetic suction cylinder 2 on both sides of the conveying belt 1 and the interval arrangement of the magnetic block 8, the continuity of the magnetic sorting is ensured, and the broken material on the conveying belt 1 is dispersed to move to both sides, so as to avoid the material to be moved in a pile, avoid too much non-magnetic material to be accumulated and taken out by the magnetic material, thereby improving the effectiveness of the magnetic sorting after the material is dispersed, and improving the sorting effect of the magnetic material and the work efficiency.

[0030] In the present application, with reference to Figure 3 , the top of the scraper 10 near the magnetic suction cylinder 2 is provided with a horizontally placed air suction pipe 11, the two ends of the air suction pipe 11 are fixedly connected between the two mounting frames 4, one end of the air suction pipe 11 is sealed, the other end of the air suction pipe 11 is connected with an air suction fan, a plurality of air suction openings 12 are connected to the side of the air suction pipe 11 close to the magnetic suction cylinder 2, the air suction openings 12 extend towards the contact position of the magnetic suction cylinder 2 and the scraper 10, when the magnetic suction cylinder 2 rotates to perform the magnetic sorting operation, the large-size magnetic material is blocked by the baffle 20 and falls down, a small part of the dust-like magnetic material and the dust-like non-magnetic material rotates upward along with the outer wall of the magnetic suction cylinder 2, after most of the magnetic material is sorted out, the dust-like non-magnetic material is absorbed by the air suction pipe 11 and the air suction opening 12 above, the dust-like magnetic material continues to rotate along with the magnetic suction and gradually accumulates and falls off in the subsequent magnetic suction process, or is manually sorted after a certain time, thereby further improving the removal effect of the non-magnetic material in the magnetic material sorted by the magnetic sorting, so as to improve the sorting effect and the sorting efficiency.

[0031] In the present application, with reference to Figure 4The driving rod 6 is provided with a through hole, the both ends of the through hole are communicated with the magnetic isolation cavity 202, the inner wall of the through hole is slidably connected with an extension rod 13, the both ends of the extension rod 13 are fixedly connected with a connecting rod 14, the connecting rod 14 is parallel to the axis of the magnetic suction cylinder 2, the connecting rod 14 is made of magnetic material, the outer wall of the connecting rod 14 is connected with a plurality of elastic bands 15, the magnetic cavity 201 and the magnetic isolation cavity 202 are both provided in an even number and symmetrically arranged, a plurality of contact blocks 17 are fixedly arranged on the inner wall of the magnetic suction cylinder 2 in the magnetic isolation cavity 202, the contact blocks 17 extend along the axis direction of the magnetic suction cylinder 2, the outer wall of the contact blocks 17 is provided with a through hole at a position corresponding to the elastic band 15, the outer wall of the elastic band 15 is slidably connected with the inner wall of the through hole, the end of the elastic band 15 away from the connecting rod 14 is fixedly connected with the contact block 17, and the outer wall of the elastic band 15 is fixedly connected with a collision ball 16 at a position between the adjacent two contact blocks 17. In the rotating process of the magnetic suction cylinders 2 at the both sides, due to the interval arrangement of the magnetic blocks 8 in the two magnetic suction cylinders 2, when the magnetic isolation cavity 202 in one of the magnetic suction cylinders 2 rotates to the position close to the scraper 10, the extension rod 13 tends to be horizontal, while the magnetic cavity 201 in the other magnetic suction cylinder 2 at the adjacent position is close to the scraper 10, the magnetic block 8 thereof tends to be horizontal, so that the extension rod 13 tending to be horizontal is moved by magnetic suction to the position close to the conveying belt 1, and in the rotating process of the magnetic suction cylinder 2, the extension rod 13 generates reciprocating motion under the cooperation of the elastic band 15 and the magnetic force change and the impact of the material being magnetically sucked with the shell of the magnetic suction cylinder 2, so that the elastic band 15 is reciprocatingly stretched, the collision ball 16 swings to impact between the inner wall of the magnetic suction cylinder 2 and the contact block 17, thereby improving the separation effect between the material and the magnetic suction cylinder 2 at the position of the scraper 10; and the mechanical vibration of the magnetic suction cylinder 2 improves the separation and dispersion effect of the non-magnetic material at the magnetic suction position, thereby further improving the effectiveness of sorting the magnetic material and improving the sorting efficiency.

[0032] Example 2

[0033] Example 2 includes all the structures and methods of Example 1, and refers to Figure 3 and Figure 5The magnetic material sorting device further comprises two fixed frames 18 installed on one side of the mounting frame 4 facing the magnetic suction cylinder 2, a rotatable dispersion assembly 19 arranged between the two fixed frames 18, a dust suction pipe 21 fixed below the fixed frame 18, a dust filter bag 22 connected to one end of the dust suction pipe 21 away from the dispersion assembly 19, and a baffle 20 fixed between the two mounting frames 4 on the top of the storage box 9 away from the magnetic suction cylinder 2. The magnetic suction sorted material falls into the storage box 9 through the cooperation of the rotating magnetic suction cylinder 2 and the scraper 10, and hits the dispersion assembly 19 to make the dispersion assembly 19 rotate, so as to rotate and disperse the falling material after magnetic suction, and the dust in the dispersed material is separated and absorbed through the dust suction pipe 21 at both ends. The non-magnetic material with large volume is separated through the rotating sorting on both sides at the position of the conveying belt 1, and the non-magnetic material in the form of small volume dust is separated at the position of the scraper 10 and the dispersion assembly 19, so that the magnetic material sorting effect and the sorting efficiency are improved.

[0034] In the present application, with reference to Figures 6-7 The dispersion assembly 19 is provided with a rotating rod 23 rotatably connected to the fixed frame 18 at both ends, a plurality of sliding holes are formed in the outer wall of the rotating rod 23, a sliding rod 24 is slidably connected to the inner wall of the sliding hole, a dispersion plate 25 is fixed to one end of the sliding rod 24, a limiting block is fixed to the end of the sliding rod 24 away from the dispersion plate 25, a spring 26 is connected between the limiting block and the rotating rod 23, the dispersion plates 25 on the rotating rod 23 are spirally distributed, and there is an overlapping part between adjacent two dispersion plates 25 in the axial direction of the rotating rod 23, so that the material after falling at the position of the scraper 10 hits the dispersion plate 25, rotates with the dispersion plate 25 and the rotating rod 23, and is dispersed, and the side of the dispersion plate 25 away from the rotating rod 23 is in contact with the outer wall of the magnetic suction cylinder 2 through the connection of the spring 26, so that the dispersion plate 25 can be used to preliminarily block some magnetic suction materials with large volume and weight, and some materials with small volume and weight are only attracted by magnetic force to rotate away from the dispersion plate 25 and then fall down, so that the preliminary simple classification of sorting is improved. And the dispersion plate 25 reciprocally moves along the sliding rod 24 under the rotation and the impact of the falling material, so that the side of the dispersion plate 25 hits the outer wall of the magnetic suction cylinder 2, the mechanical vibration of the shell of the magnetic suction cylinder 2 is disturbed, the operation effect of separating the small volume magnetic suction material from the outer wall of the magnetic suction cylinder 2 is improved, and the magnetic suction sorting effect and the dispersion efficiency are further improved.

[0035] In the present application, with reference to Figure 6The middle position of the fixed frame 18 is horizontally limited by a sliding limiting block 27, one side of the limiting block 27 is connected with the inner wall of the fixed frame 18 through a spring 28, the side wall of the limiting block 27 is provided with a rotating hole, the two ends of the outer wall of the rotating rod 23 are rotatably connected with the inner wall of the rotating hole through bearings, when the dispersion plate 25 is impacted and rotated, the dispersion plate 25 reciprocates along the fixed frame 18 with the rotating rod 23 through the alternatively falling materials, so that the dispersion effect of the dispersion plate 25 on the falling materials is further improved, the disorder of the impact between the dispersion plate 25 and the outer wall of the magnetic attraction cylinder 2 is improved, so that the sorting effect on the magnetic materials is improved and the sorting efficiency is improved.

[0036] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A magnetic material sorting device, comprising a conveyor belt (1), wherein a plurality of magnetic attraction sorting components are arranged in the extending direction of the conveyor belt (1), characterized in that: The magnetic attraction sorting component is provided with two horizontally placed magnetic suction cylinders (2), the axis of the magnetic suction cylinders (2) is arranged parallel to the extension direction of the conveyor belt (1), the magnetic suction cylinders (2) are arranged to rotate, a plurality of radially extending magnetic isolation plates (7) are fixed in the magnetic suction cylinders (2), the magnetic suction cylinders (2) are divided into magnetic cavities (201) and magnetic isolation cavities (202) distributed at intervals by the magnetic isolation plates (7), a magnetic block (8) is fixed in the magnetic cavity (201), and the magnetic blocks (8) in two adjacent magnetic suction cylinders (2) are arranged at intervals. A scraper (10) is provided at the middle position of the magnetic cylinder (2) away from the conveyor belt (1), both ends of the magnetic cylinder (2) are rotatably connected to a cover plate (3), an end of the cover plate (3) away from the magnetic cylinder (2) is fixed with a mounting frame (4), one end of the magnetic cylinder (2) is transmission-connected to a drive motor (5), the drive motor (5) and the mounting frame (4) are fixedly connected, and a storage box (9) is placed at positions corresponding to the magnetic cylinder (2) on both sides of the conveyor belt (1), and both ends of the scraper (10) are respectively connected to the two mounting frames (4). ) are fixedly connected between them, a driving rod (6) is provided at the axis position of the magnetic cylinder (2) with both ends rotatably connected to the cover plate (3), a through hole is provided on the driving rod (6), both ends of the through hole are connected to the magnetic isolation cavity (202), an extension rod (13) is slidably connected to the inner wall of the through hole, and a connecting rod (14) is fixed at both ends of the extension rod (13), the connecting rod (14) is arranged parallel to the axis of the magnetic cylinder (2), the connecting rod (14) is made of magnetic material, and the outer wall of the connecting rod (14) is connected to a plurality of elastic bands (15) The inner wall of the magnetic cylinder (2) is located in the magnetic isolation cavity (202) and is fixed with a plurality of contact blocks (17). The contact blocks (17) extend along the axial direction of the magnetic cylinder (2). A through hole is provided at a position corresponding to the outer wall of the contact block (17) and the elastic band (15). The outer wall of the elastic band (15) is slidably connected to the inner wall of the through hole. The end of the elastic band (15) away from the connecting rod (14) is fixedly connected to the contact block (17). A collision ball (16) is fixed on the outer wall of the elastic band (15) between two adjacent contact blocks (17).

2. A magnetic material sorting device according to claim 1, characterized in that: A horizontally placed exhaust pipe (11) is provided at a position near the magnetic cylinder (2) on the top of the scraper (10), and both ends of the exhaust pipe (11) are fixedly connected to the two mounting frames (4) respectively. A plurality of exhaust ports (12) are connected to a side of the exhaust pipe (11) near the magnetic cylinder (2), and the exhaust ports (12) extend toward the contact position between the magnetic cylinder (2) and the scraper (10).

3. A magnetic material sorting device according to any one of claims 1 to 2, characterized in that: A fixing frame (18) is installed on the side of the mounting frame (4) facing the magnetic cylinder (2), a rotatable dispersion component (19) is provided between the two fixing frames (18), a dust suction duct (21) is fixed below the fixing frame (18), and a dust filter bag (22) is connected to one end of the dust suction duct (21) away from the dispersion component (19), and a baffle (20) is fixed between the two mounting frames (4) on the side of the top of the storage box (9) away from the magnetic cylinder (2).

4. A magnetic material sorting device according to claim 3, characterized in that: The dispersion assembly (19) is provided with a rotating rod (23) whose two ends are rotatably connected to the fixed frame (18), the outer wall of the rotating rod (23) is provided with a plurality of sliding holes, the inner wall of the sliding hole is slidably connected to a sliding rod (24), one end of the sliding rod (24) is fixed with a dispersion plate (25), the end of the sliding rod (24) away from the dispersion plate (25) is fixed with a limit block, and a spring (26) is connected between the limit block and the rotating rod (23).

5. The magnetic material sorting device according to claim 4, characterized in that: The dispersion plates (25) on the rotating rod (23) are distributed in a spiral shape, and two adjacent dispersion plates (25) have overlapping portions in the axial direction of the rotating rod (23).

6. The magnetic material sorting device according to claim 5, characterized in that: A limit slider (27) is horizontally limited and slidably connected to the middle position of the fixing frame (18). A spring 2 (28) is connected between one side of the limit slider (27) and the inner wall of the fixing frame (18). A rotating hole is provided on the side wall of the limit slider (27). Both ends of the outer wall of the rotating rod (23) are rotatably connected to the inner wall of the rotating hole through bearings.

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