A metallurgical metal ore crushing and magnetic separation device

Abstract

This invention relates to the field of metallurgical equipment technology, specifically to a metal ore crushing and magnetic separation device for metallurgy. A disc-shaped shell has a shaft groove in the middle of its bottom plate, and two strip-shaped discharge ports are respectively located on one side and the rear of the shaft groove. A scraper is fixed to the inner wall of the disc-shaped shell above the second strip-shaped discharge port. A strip-shaped feed port is located on one side of the shaft hole in the middle of the cover plate. Multiple elastic connectors are respectively connected between the edge of the cover plate and the outer edge of the top of the disc-shaped shell. Support legs are used to support the disc-shaped shell. A discharge hopper connected to the strip-shaped feed port is located at the bottom of the crushing section. A short shaft is provided in the middle of the central column and rotatably sleeved with the shaft groove. Magnetic suction components are respectively fixed radially to the top of the central column. A pushing component is fixed radially to the bottom of the central column. The tops of the first and second discharge troughs are respectively connected to the first and second strip-shaped discharge ports. A rotary motor power output shaft fixed to the top surface of the cover plate passes through the shaft hole and is fixedly sleeved to the top of the short shaft. This invention effectively solves the problem of low efficiency in metal ore crushing and magnetic separation.

Description

Technical Field

[0001] This invention relates to the field of metallurgical equipment technology, specifically to a metal ore crushing and magnetic separation device for metallurgy. Background Technology

[0002] Metallic ores refer to ores or minerals containing metallic elements. They are usually extracted from underground or the surface through mining and beneficiation processes. Metallic ores contain broken metal because they are usually found within ores or minerals. These ores or minerals are often solid and relatively hard, requiring crushing to refine them into manageable particles. While broken metal typically contains a certain amount of metal, it also contains other non-metallic substances, such as rocks and minerals. These non-metallic substances can affect the extraction or smelting of the metal. Therefore, it is necessary to separate the broken metal from the non-metallic substances to make subsequent processes such as metal purification and smelting more efficient and economical.

[0003] Currently, magnetic metal components in metal ores are trapped within the ore and cannot be directly recovered. The ore must be crushed before separation and recovery. A common separation method is magnetic separation, which utilizes the magnetic attraction of these components to separate the metal ore. However, in commonly used magnetic separation devices, the magnetic metal substances attracted by the magnet cannot be efficiently and promptly removed, and the ore itself is also difficult to remove efficiently, resulting in low efficiency in the crushing and magnetic separation processing of metal ores. Summary of the Invention

[0004] The purpose of this invention is to provide a metal ore crushing and magnetic separation device for metallurgy, which solves the problem of low efficiency in the crushing and magnetic separation of metal ores in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a metal ore crushing and magnetic separation device for metallurgy, wherein a shaft groove is provided in the middle of the bottom plate of the disc-shaped shell, and a strip-shaped discharge port one and a strip-shaped discharge port two are respectively provided radially on one side and the rear part of the shaft groove; a scraper plate is fixed radially on the inner wall of the disc-shaped shell above the strip-shaped discharge port two; a shaft hole is provided in the middle of the cover plate, and a strip-shaped feed port is provided radially on one side of the shaft hole and away from the strip-shaped discharge port one; a plurality of elastic connecting members are respectively connected between the edge of the cover plate and the outer edge of the top of the disc-shaped shell; the tops of a plurality of support legs are respectively fixed to the bottom surface of the disc-shaped shell; the bottom of the crushing section... The end is provided with a discharge hopper connected to the strip-shaped feed port; a short shaft with its bottom end rotatably fitted and matched with the shaft groove is fixedly sleeved in the middle of the central column; multiple magnetic suction components are respectively fixed radially to the top of the outer peripheral wall of the central column; the pushing components are respectively fixed radially to the bottom of the outer peripheral wall of the central column and located below the magnetic suction components; the top of the first discharge trough is connected to the bottom surface of the disc-shaped housing and corresponds to the position of the first strip-shaped discharge port; the top of the second discharge trough is connected to the bottom surface of the disc-shaped housing and corresponds to the position of the second strip-shaped discharge port; the rotary motor is fixed in the middle of the top surface of the cover plate, and the power output shaft of the rotary motor passes through the shaft hole and is fixedly sleeved with the top of the short shaft.

[0006] Preferably, the top of the outer peripheral wall of the central column is provided with a plurality of slots evenly distributed along the circumference, and the top surface of the central column is provided with a countersunk hole corresponding to the position of the slot. The magnetic attraction assembly includes a support beam, a plug fixed to one end of the support beam and matched with the slot, and a bar magnet embedded in the bottom surface of the support beam. The top surface of the plug is provided with a through hole corresponding to the position of the countersunk hole.

[0007] Preferably, the bottom end of the outer peripheral wall of the central column is provided with a plurality of insertion holes evenly distributed circumferentially, and the periphery of the insertion holes is provided with a plurality of screw holes. The pushing assembly includes an arc-shaped plate whose inner sidewall is attached to the outer peripheral wall of the central column, a shaft that is rotatably fitted in the middle of the arc-shaped plate and rotatably fitted and matched with the insertion holes, a lever that is radially fixed to the outer peripheral wall of the shaft, and a shovel plate whose one end is fixed to the outer side wall of the arc-shaped plate and parallel to the shaft. The arc-shaped plate is provided with a second through hole corresponding to the position of the screw holes.

[0008] Preferably, the crushing section includes a horizontally arranged cylinder, a feed hopper axially connected to the top of the cylinder, a pair of crushing rollers with their ends rotatably sleeved on the front and rear sides of the middle of the two side walls of the cylinder, and a power mechanism located at one end of the cylinder for driving the pair of crushing rollers to rotate synchronously in opposite directions. The top of the discharge hopper is axially connected to the bottom of the cylinder.

[0009] Preferably, an end shell is fixed to one end sidewall of the cylinder, and two crushing drum central shafts are respectively fixedly fitted with meshing gears at one end of the end shell. A crushing motor with a power output shaft fixedly connected to one of the crushing drum central shafts is fixed to the outer sidewall of the end shell.

[0010] Preferably, the outer edge of the top of the disc-shaped shell is provided with an annular plate, and a plurality of through holes I are uniformly provided along the circumferential direction on the annular plate. The edge of the cover plate is provided with through holes II corresponding to the through holes I. The top and bottom ends of the elastic connector are respectively sleeved in the through holes II and through holes I.

[0011] Preferably, the elastic connector includes a screw with its top and bottom ends respectively inserted into the second through hole and the first through hole, a spring fitted in the middle of the screw, a pad fitted in the top and bottom of the screw and respectively attached to the top surface of the cover plate and the bottom surface of the annular plate, and a clamping nut threaded onto the end of the screw and pressed against the pad.

[0012] Preferably, the angle between the first strip outlet and the second strip outlet is in the range of 5 to 90°, and the angle between the first strip outlet and the second strip inlet is in the range of 180 to 270°.

[0013] Preferably, the outer peripheral wall of the crushing drum is provided with several block-shaped protrusions.

[0014] Preferably, the bar magnet is a strontium ferrite magnetic material.

[0015] Preferably, the outer peripheral wall of the central column is provided with an annular groove that is matched with the inner end of the scraper.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention relates to a metal ore crushing and magnetic separation equipment for metallurgy in which the crushing mechanism and the magnetic separation mechanism are integrated into one structure, which occupies less space and is easy to assemble flexibly.

[0017] 2. The present invention relates to a metal ore crushing and magnetic separation equipment for metallurgy, which can magnetically attract crushed metal ore in a timely manner, and the ore fragments after magnetic separation can be discharged in a timely manner. Furthermore, the magnetically attracted metal substances can be quickly removed and discharged, which greatly improves the efficiency of metal ore crushing and magnetic separation. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the entire invention; Figure 2 This is a three-dimensional structural diagram of the disc-shaped housing of the present invention; Figure 3 This is a three-dimensional structural diagram of the cover plate of the present invention; Figure 4 This is an exploded structural diagram of the elastic connector of the present invention; Figure 5 This is a three-dimensional structural diagram of the crushing part of the present invention; Figure 6 This is a three-dimensional structural diagram of the central column of the present invention; Figure 7 This is a three-dimensional structural diagram of the magnetic suction component of the present invention; Figure 8 This is a three-dimensional structural diagram of the feeding component of the present invention.

[0019] In the diagram: 1-Disc-shaped housing; 1.1-Shaft groove; 1.2-Strip discharge port one; 1.3-Strip discharge port two; 1.4-Scraper plate; 1.5-Annular plate; 1.6-Through hole one; 2-Cover plate; 2.1-Strip feed inlet; 2.2-Shaft hole; 2.3-Through hole two; 3-Elastic connector; 3.1-Screw; 3.2-Spring; 3.3-Washer plate; 3.4-Pressure nut; 4-outriggers; 5-Crushing section; 5.1-Cylinder body; 5.2-Feed hopper; 5.3-Crushing drum; 5.4-End shell; 5.5-Gear; 5.6-Crushing motor; 5.7-Discharge hopper; 6-Center post; 6.1-Short shaft; 6.2-Slot; 6.3-Socket; 6.4-Counterhead; 6.5-Screw hole; 6.6-Annular groove; 7-Magnetic suction assembly; 7.1-Support beam; 7.2-Insertion block; 7.2.1-Through hole one; 7.3-Bar magnet; 8-Pushing assembly; 8.1-Arc plate; 8.1.1-Through hole two; 8.2-Shovel plate; 8.3-Shaft; 8.4-Pulley; 9-Discharge chute one; 10-Discharge chute two; 11-Rotary motor. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figure 1-8This invention provides a technical solution: a metal ore crushing and magnetic separation device for metallurgy. A disc-shaped shell 1 has a shaft groove 1.1 in the middle of its bottom plate. One side and the rear of the shaft groove 1.1 are respectively provided with a strip-shaped discharge port 1.2 and a strip-shaped discharge port 1.3 radially. A scraper plate 1.4 is radially fixed to the inner wall of the disc-shaped shell 1 above the strip-shaped discharge port 1.3. An annular plate 1.5 is provided at the outer edge of the top of the disc-shaped shell 1. Multiple through holes 1.6 are uniformly arranged circumferentially on the annular plate 1.5. The included angle between the strip-shaped discharge port 1.2 and the strip-shaped discharge port 1.3 ranges from 5° to 90°.

[0022] The cover plate 2 has a shaft hole 2.2 in the middle. The cover plate 2 has a strip inlet 2.1 in the radial direction on one side of the shaft hole 2.2 and away from the strip outlet 1.2. The cover plate 2 has a through hole 2.3 at the edge corresponding to the through hole 1.6. The included angle between the strip outlet 1.2 and the strip inlet 2.1 is 180° to 270°.

[0023] Multiple elastic connectors 3 are respectively connected between the edge of the cover plate 2 and the outer edge of the top of the disc-shaped housing 1, that is, the top and bottom ends of the elastic connectors 3 are respectively sleeved in through hole 2.3 and through hole 1.6. Among them, the elastic connectors 3 include a screw 3.1 with its top and bottom ends inserted into through hole 2.3 and through hole 1.6, a spring 3.2 fitted in the middle of the screw 3.1, a pad 3.3 fitted in the top and bottom of the screw 3.1 and respectively attached to the top surface of the cover plate 2 and the bottom surface of the annular plate 1.5, and a clamping nut 3.4 threaded onto the end of the screw 3.1 and pressed against the pad 3.3. That is, the top and bottom ends of the spring 3.2 are supported on the bottom surface of the outer edge of the cover plate 2 and the top surface of the annular plate 1.5, respectively, so that there is a buffering effect between the cover plate 2 and the disc-shaped housing 1 for relative movement.

[0024] The tops of multiple support legs 4 are respectively fixed to the bottom surface of the disc-shaped housing 1; the support legs 4 are used to support the disc-shaped housing 1 to a certain height, leaving space for connecting other components at its bottom.

[0025] The crushing unit 5 includes a horizontally arranged cylinder 5.1, a feed hopper 5.2 axially connected to the top of the cylinder 5.1, a pair of crushing rollers 5.3 rotatably fitted at both ends to the front and rear sides of the middle of the two side walls of the cylinder 5.1, and a power mechanism located at one end of the cylinder 5.1 for driving the two crushing rollers 5.3 to rotate synchronously in opposite directions. The top of the discharge hopper 5.7 is axially connected to the bottom of the cylinder 5.1. An end housing 5.4 is fixed to one end side wall of the cylinder 5.1. Gears 5.5, meshing with each other, are fixedly fitted to the ends of the two crushing rollers 5.3 extending from their central shafts to one end of the end housing 5.4. A crushing motor 5.6, with a power output shaft fixedly connected to the central shaft of one of the crushing rollers 5.3, is fixed to the outer wall of the end housing 5.4. Several block-shaped protrusions are provided on the outer peripheral wall of the crushing roller 5.3. The metal ore to be crushed and magnetically separated is fed into the cylinder 5.1 through the feed hopper 5.2. The crushing motor 5.6, in conjunction with the meshing relationship of two gears 5.5, drives the two crushing drums 5.3 to rotate synchronously in opposite directions. That is, the blocky protrusions that rotate with the crushing drums 5.3 squeeze the ore towards the center, thereby crushing the metal ore. The crushed ore is discharged from the inner cavity of the cylinder 5.1 through the discharge hopper 5.7.

[0026] A short shaft 6.1, whose bottom end rotatably engages with the shaft groove 1.1, is fixedly sleeved in the middle of the central column 6. Multiple slots 6.2 are evenly distributed circumferentially along the top of the outer peripheral wall of the central column 6, and countersunk holes 6.4 are provided on the top surface of the central column 6 corresponding to the positions of the slots 6.2. Multiple insertion holes 6.3 are evenly distributed circumferentially along the bottom of the outer peripheral wall of the central column 6, and multiple screw holes 6.5 are provided around the periphery of the insertion holes 6.3. Each insertion hole 6.3 is located directly below a slot 6.2. Furthermore, to improve the support effect on the scraper plate 1.4, an annular groove 6.6 is provided in the middle of the outer peripheral wall of the central column 6, which slides and engages with the inner end of the scraper plate 1.4.

[0027] The magnetic attraction assembly 7 includes a support beam 7.1, a plug 7.2 fixed to one end of the support beam 7.1 and mating with the slot 6.2, and a bar magnet 7.3 embedded in the bottom surface of the support beam 7.1. The top surface of the plug 7.2 has a through hole 7.2.1 corresponding to the countersunk hole 6.4. An internal hex bolt is used to fit through the countersunk hole 6.4 and the through hole 7.2.1 to securely fix the end of the magnetic attraction assembly 7 to the top of the outer peripheral wall of the central column 6. The bar magnet 7.3 can be made of strontium ferrite magnetic material, etc. The bottom surface of the bar magnet 7.3 is at the same height as the top of the scraper plate 1.4 to ensure that when the magnetic attraction assembly 7 rotates to the position of the scraper plate 1.4, the scraper plate 1.4 can thoroughly scrape off the magnetic material adsorbed on the bottom surface of the bar magnet 7.3. In addition, the top surface of the support beam 7.1 is close to the bottom surface of the cover plate 2 to prevent metal ore fragments from being supported on the top surface when the support beam 7.1 passes through the strip feed inlet 2.1.

[0028] The pushing assembly 8 includes an arc-shaped plate 8.1 whose inner wall is attached to the outer peripheral wall of the central column 6, a shaft 8.3 rotatably fitted in the middle of the arc-shaped plate 8.1 and rotatably matched with the insertion hole 6.3, a lever 8.4 radially fixed to the outer peripheral wall of the shaft 8.3, and a scraper 8.2 with one end fixed to the outer peripheral wall of the arc-shaped plate 8.1 and parallel to the shaft 8.3. The arc-shaped plate 8.1 has a through hole 8.1.1 corresponding to the screw hole 6.5. That is, after the screw passes through the through hole 8.1.1, it is sleeved with the screw hole 6.5 to firmly fix the end of the pushing assembly 8 to the bottom end of the outer peripheral wall of the central column 6, and to ensure that the bottom end of the scraper 8.2 is attached to the top surface of the inner cavity of the disc-shaped housing 1. The highest point of the pushing assembly 8 is lower than the bottom end of the scraper 1.4 to ensure that the pushing assembly 8, which rotates with the central column 6, can pass smoothly under the scraper 1.4.

[0029] The rotary motor 11 is fixed to the center of the top surface of the cover plate 2, and the power output shaft of the rotary motor 11 passes through the shaft hole 2.2 and is fixedly sleeved to the top of the short shaft 6.1. That is, the rotary motor 11 drives the magnetic suction assembly 7 and the pusher assembly 8 to rotate continuously in the inner cavity of the disc-shaped housing 1 through the central column 6.

[0030] The top of the discharge trough 9 is connected to the bottom surface of the disc-shaped housing 1 and corresponds to the position of the strip discharge port 1.2; that is, the discharge trough 9 is used to receive the metal ore fragments that have been magnetically separated and discharged from the strip discharge port 1.2.

[0031] The top of the discharge trough 2 10 is connected to the bottom surface of the disc-shaped housing 1 and corresponds to the position of the strip discharge port 2 1.3; that is, the discharge trough 2 10 is used to receive the magnetic metal material that is magnetically attracted from the strip discharge port 2 1.3.

[0032] In summary, during the crushing and magnetic separation of metal ore, the crushing unit 5 first crushes the ore, and the crushed metal ore falls into the inner cavity of the disc-shaped shell 1 through the discharge hopper 5.7. During this process, the rotary motor 11 drives multiple magnetic attraction components 7 and pushing components 8 to continuously rotate within the inner cavity of the disc-shaped shell 1 via the central column 6. The shovel plate 8.2 pushes the metal ore fragments falling from the discharge hopper 5.7. As the metal ore is pushed, the bar magnet 7.3 above attracts the magnetic materials within it. During this process, the mechanism formed by the shaft 8.3 and the lever 8.4 rotates, thereby flipping the moving metal ore fragments so that the bar magnet 7.3 can fully attract the magnetic materials within them.

[0033] When the metal ore fragments are pushed by the shovel plate 8.2 to the position of the bar discharge port 1.2, the magnetic materials mixed in have been fully adsorbed by the bar magnet 7.3 above. Then, the ore fragments that have completed magnetic separation will fall from the bar discharge port 1.2 into the discharge trough 9 and be discharged.

[0034] When the bar magnet 7.3, which has adsorbed magnetic material, rotates to the position of the scraper plate 1.4, the magnetic material adsorbed on its bottom surface is completely scraped off by the scraper plate 1.4. The scraped magnetic material then falls into the discharge trough 10 through the bar-shaped discharge port 1.3 to complete the discharge process. This cycle repeats continuously, with each set of magnetic adsorption components 7 and pushing components 8 passing through the bar-shaped feed port 2.1, bar-shaped discharge port 1.2, and bar-shaped discharge port 1.3 in sequence, thus facilitating the efficient discharge and magnetic separation process of metal ore fragments.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A metallurgical metallic ore crushing and magnetic separation apparatus, characterized by, include: A disc-shaped housing (1) has a shaft groove (1.1) in the middle of its bottom plate. A strip-shaped discharge port one (1.2) and a strip-shaped discharge port two (1.3) are respectively provided radially on one side and the rear part of the shaft groove (1.1). A scraper plate (1.4) is fixed radially on the inner wall of the disc-shaped housing (1) above the strip-shaped discharge port two (1.3). Cover plate (2), the cover plate (2) has a shaft hole (2.2) in the middle, and the cover plate (2) has a strip feed inlet (2.1) in the radial direction at a position on one side of the shaft hole (2.2) and away from the strip discharge port (1.2). Elastic connectors (3), a plurality of elastic connectors (3) are respectively connected between the edge of the cover plate (2) and the outer edge of the top of the disc-shaped shell (1); Support legs (4), the top ends of multiple support legs (4) are respectively fixed to the bottom surface of the disc-shaped housing (1); The crushing section (5) has a discharge hopper (5.7) at its bottom end that is connected to the strip feed inlet (2.1). A central column (6) is fixedly sleeved in the middle of which a short shaft (6.1) is rotatably sleeved and matched with the shaft groove (1.1). Magnetic suction components (7), multiple magnetic suction components (7) are respectively fixed radially to the top of the outer peripheral wall of the central column (6); The material pushing assembly (8) is fixed radially to the bottom of the outer peripheral wall of the central column (6) and located below the magnetic suction assembly (7); Discharge trough 1 (9), the top of which is connected to the bottom surface of the disc-shaped housing (1) and corresponds to the position of the strip-shaped discharge port 1 (1.2); The top of the discharge trough two (10) is connected to the bottom surface of the disc-shaped shell (1) and corresponds to the position of the strip-shaped discharge port two (1.3); A rotary motor (11) is fixed to the middle of the top surface of the cover plate (2), and the power output shaft of the rotary motor (11) passes through the shaft hole (2.2) and is fixedly sleeved to the top of the short shaft (6.1); The outer peripheral wall of the central column (6) is provided with a plurality of slots (6.2) evenly distributed around its top edge. The top surface of the central column (6) is provided with countersunk holes (6.4) corresponding to the slots (6.2). The magnetic assembly (7) includes a support beam (7.1), a plug (7.2) fixed to one end of the support beam (7.1) and matched with the slots (6.2), and a bar magnet (7.3) embedded in the bottom surface of the support beam (7.1). The top surface of the plug (7.2) is provided with a through hole (6.4) corresponding to the countersunk hole (6.4). 7.2.1) The bottom of the outer peripheral wall of the central column (6) is provided with a plurality of insertion holes (6.3) evenly distributed in the circumferential direction. The periphery of the insertion holes (6.3) is provided with a plurality of screw holes (6.5). The pushing assembly (8) includes an arc plate (8.1) whose inner sidewall is attached to the outer peripheral wall of the central column (6), a shaft (8.3) rotatably fitted in the middle of the arc plate (8.1) and rotatably fitted and matched with the insertion hole (6.3), a lever (8.4) fixed radially to the outer peripheral wall of the shaft (8.3), and a shovel plate (8.2) with one end fixed to the outer side wall of the arc plate (8.1) and parallel to the shaft (8.3). The arc plate (8.1) is provided with a through hole (8.1.1) at the position corresponding to the screw hole (6.5).

2. A metallurgical metallic ore crushing and magnetic separation apparatus as claimed in claim 1, wherein: The crushing section (5) includes a horizontally arranged cylinder (5.1), a feed hopper (5.2) axially connected to the top of the cylinder (5.1), a pair of crushing rollers (5.3) rotatably sleeved at both ends on the front and rear sides of the middle of the two side walls of the cylinder (5.1), and a power mechanism located at one end of the cylinder (5.1) for driving the pair of crushing rollers (5.3) to rotate synchronously in opposite directions. The top of the discharge hopper (5.7) is axially connected to the bottom of the cylinder (5.1).

3. The metallurgical metal ore crushing and magnetic separation equipment according to claim 2, characterized in that: An end housing (5.4) is fixed to one end sidewall of the cylinder (5.1). Two crushing drums (5.3) extend to one end of the end housing (5.4) and are respectively fitted with meshing gears (5.5). A crushing motor (5.6) with a power output shaft and fixedly connected to the central shaft of one of the crushing drums (5.3) is fixed to the outer sidewall of the end housing (5.4).

4. The metallurgical metal ore crushing and magnetic separation equipment according to claim 1, characterized in that: The disc-shaped shell (1) has an annular plate (1.5) on its outer edge at the top. The annular plate (1.5) has a plurality of through holes (1.6) evenly distributed along its circumference. The cover plate (2) has through holes (2.3) at its edge that correspond one-to-one with the through holes (1.6). The top and bottom ends of the elastic connector (3) are respectively fitted into the through holes (2.3) and the through holes (1.6).

5. A metallurgical metal ore crushing and magnetic separation device according to claim 4, characterized in that: The elastic connector (3) includes a screw (3.1) with its top and bottom ends inserted into the second through hole (2.3) and the first through hole (1.6) respectively, a spring (3.2) fitted in the middle of the screw (3.1), a pad (3.3) fitted in the top and bottom of the screw (3.1) and respectively attached to the top surface of the cover plate (2) and the bottom surface of the annular plate (1.5), and a clamping nut (3.4) threaded onto the end of the screw (3.1) and pressed against the pad (3.3).

6. The metallurgical metal ore crushing and magnetic separation equipment according to claim 1, characterized in that: The included angle between the first strip outlet (1.2) and the second strip outlet (1.3) is 5 to 90°, and the included angle between the first strip outlet (1.2) and the second strip inlet (2.1) is 180 to 270°.

7. A metallurgical metal ore crushing and magnetic separation device according to claim 2, characterized in that: The outer peripheral wall of the crushing drum (5.3) is provided with several block-shaped protrusions.

8. A metallurgical metal ore crushing and magnetic separation device according to claim 1, characterized in that: The outer peripheral wall of the central column (6) is provided with an annular groove (6.6) that is matched with the inner end of the scraper (1.4).

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