Permanent magnet drum magnetic separator with dustproof structure

Abstract

The utility model discloses a permanent -magnetic cylinder type magnetic separator with dustproof structure, including frame body, the inside of frame body is equipped with the groove body, and the rotation is connected with the cylinder body between the front and back both ends of frame body, and the inside installation of cylinder body has the magnet system, and the front and back both ends of magnet system all are fixedly connected with frame body, still include dustproof mechanism, dustproof mechanism: it includes dust cover, baffle and apron, dust cover sets up in the upper surface of groove body, and baffle rotation is connected in the rotation groove of groove feed slot lower extreme, this permanent -magnetic cylinder type magnetic separator with dustproof structure, through the clockwise rotation of baffle and the elastic limit of apron, guarantees the normal in and out of powder while avoiding dust from the discharge of permanent -magnetic cylinder type magnetic separator's inlet and outlet, can more effectively prevent the dust in permanent -magnetic cylinder type magnetic separator from spreading to the outside, improves permanent -magnetic cylinder type magnetic separator working environment's quality.

Description

Technical Field

[0001] This utility model relates to the technical field of permanent magnet drum magnetic separators, specifically a permanent magnet drum magnetic separator with a dustproof structure. Background Technology

[0002] A permanent magnet drum magnetic separator is a device that uses a permanent magnet to generate a magnetic field to separate magnetic materials. It is commonly used in mineral processing and beneficiation industries. It mainly consists of a permanent magnet system and a rotating drum. Magnetic particles are attracted to the surface of the drum under the influence of the magnetic field, while non-magnetic particles are discharged with the material flow, thus achieving separation. In the existing technology, authorized publication number CN223027514... U proposes a permanent magnet drum magnetic separator with a dustproof structure, including a housing, inside which a magnetic separation drum is installed, with connecting bearings installed on both sides of the magnetic separation drum, and protective boxes corresponding to the connecting bearings installed on both sides of the inner wall of the housing; a filter box, which is fixedly installed on the upper right side of the housing, with dust collection filter bags installed inside the filter box, a door hinged to the front end of the filter box, an air pump installed above the filter box, an input pipe installed at the input end of the air pump, an output pipe installed at the output end of the air pump, a connecting thread provided at the end of the output pipe away from the air pump, and a connecting pipe installed on the right side of the air pump. Although this can prevent dust from spreading to the outside, dust is easily discharged with the powder during the feeding and discharging process of the permanent magnet drum magnetic separator, affecting the quality of the surrounding environment. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a permanent magnet drum magnetic separator with a dustproof structure, which prevents dust from being discharged from the inlet and outlet of the permanent magnet drum magnetic separator, can more effectively prevent the dust inside the permanent magnet drum magnetic separator from spreading to the outside, improve the quality of the working environment of the permanent magnet drum magnetic separator, and can effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a permanent magnet drum magnetic separator with a dustproof structure, including a frame, a groove inside the frame, a drum rotatably connected between the front and rear ends of the frame, a magnetic system installed inside the drum, and the front and rear ends of the magnetic system being fixedly connected to the frame, and also including a dustproof mechanism.

[0005] Dust prevention mechanism: It includes a dust cover, baffles, and baffles. The dust cover is set on the upper surface of the tank body. The baffles are rotatably connected to the rotating groove at the lower end of the feed trough of the tank body. The elastically limited baffles are vertically slidably connected to the lower end of the inner arc surface of the discharge trough of the tank body. Through the clockwise rotation of the baffles and the elastic limitation of the baffles, while ensuring the normal entry and exit of powder, dust is prevented from being discharged from the inlet and outlet of the permanent magnet drum magnetic separator. This can more effectively prevent the dust inside the permanent magnet drum magnetic separator from spreading to the outside and improve the quality of the working environment of the permanent magnet drum magnetic separator.

[0006] Furthermore, a microcontroller is provided at the right end of the frame. The input terminal of the microcontroller is electrically connected to an external power source to control the start and stop of the entire device.

[0007] Furthermore, the dustproof mechanism also includes an exhaust pipe, a filter cartridge, and a fan. The exhaust pipe is located at the exhaust port on the upper surface of the dustproof cover. The exhaust pipe's outlet is connected to the fan's inlet. A filter cartridge is connected in series in the middle of the exhaust pipe. The fan's input end is electrically connected to the microcontroller's output end to collect dust inside the dustproof cover.

[0008] Furthermore, the baffle is provided with discs at both the front and rear ends, and reflective positioning plates are provided on the opposite outer surfaces of the two discs. A photoelectric sensor is provided in the mounting hole on the front surface of the tank, and a motor is provided on the front surface of the tank. The output shaft of the motor is fixedly connected to the rotating shaft of the baffle. The input end of the motor is electrically connected to the output end of the microcontroller, and the output end of the photoelectric sensor is electrically connected to the input end of the microcontroller, providing power for the rotation of the baffle and determining the angle after the baffle stops rotating.

[0009] Furthermore, the lower end of the outer arc surface of the discharge pipe of the trough is threaded with an internal threaded ring, and the outer arc surface of the internal threaded ring is provided with a sleeve. The inside of the sleeve is vertically slidably connected with a sliding column. A connecting plate is provided between the lower ends of the sliding columns located on the outer arc surface of the discharge pipe of the same trough. The baffle is respectively set in the middle of the upper surface of the connecting plate to provide guide support for the vertical sliding of the baffle.

[0010] Furthermore, a limiting spring is provided between the upper surface of the connecting disc and the lower surface of the support plate at the upper end of the sleeve. The limiting spring is movably sleeved on the outer arc surface of the sleeve to provide elastic limiting for the baffle.

[0011] Furthermore, the baffle is a conical disc, with the outer arc diameter gradually increasing from top to bottom, which facilitates the faster accumulation of powder on the surface of the baffle and seals the gap between the baffle and the discharge chute.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This permanent magnet drum magnetic separator with a dustproof structure has the following advantages:

[0013] By rotating the baffle clockwise and using the elastic limit of the baffle plate, the normal feeding and discharging of powder is ensured while preventing dust from being discharged from the inlet and outlet of the permanent magnet drum separator. This can more effectively prevent the dust inside the permanent magnet drum separator from spreading to the outside and improve the quality of the working environment of the permanent magnet drum separator. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2This is a structural schematic diagram of the overall device of this utility model, viewed from the front and in cross-section.

[0016] Figure 3 This is an enlarged structural diagram of point A in this utility model;

[0017] Figure 4 This is an enlarged structural diagram of section B of the present invention.

[0018] Figure 5 This is a structural schematic diagram of the front side cross-section of the baffle of this utility model;

[0019] Figure 6 This is a schematic diagram of the front end of the baffle of this utility model.

[0020] In the diagram: 1. Frame, 2. Tank, 3. Cylinder, 4. Magnetic system, 5. Dustproof mechanism, 51. Dust cover, 52. Baffle, 53. Baffle plate, 54. Exhaust pipe, 55. Filter cartridge, 56. Fan, 6. Reflective positioning plate, 7. Photoelectric sensor, 8. Motor, 9. Connecting plate, 10. Sliding column, 11. Limit spring, 12. Sleeve, 13. Internal threaded ring, 14. Microcontroller. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-6 This embodiment provides a technical solution: a permanent magnet drum magnetic separator with a dustproof structure, including a frame 1, which provides support for the magnetic separation components. The frame 1 has a groove 2 inside. A drum 3 is rotatably connected between the front and rear ends of the frame 1. The drum 3 is made of stainless steel plate rolled and welded, and its surface is usually covered with a wear-resistant rubber or copper wire protective layer. A rotating tube is provided in the middle of the front and rear ends of the drum 3. The rotating tube is rotatably connected to the bearing seats at the front and rear ends of the frame 1. The rotating tube on the front side is connected to the output shaft of the drive motor at the front end of the frame 1 through a reduction gearbox.

[0023] The cylinder 3 is equipped with a magnetic system 4, which is a composite magnetic system composed of rare earth neodymium iron boron magnetic blocks. Both ends of the magnetic system 4 are fixedly connected to the frame 1. The mounting shaft of the magnetic system 4 passes through the inside of the rotating tube of the cylinder 3 and is fixedly connected to the frame 1. The powder to be magnetically separated is poured into the feed trough at the right end of the tank 2. The powder moves to the left along the inclined surface of the bottom wall of the feed trough and enters the magnetic separation tank of the tank 2. The drive motor at the front end of the frame 1 is started. Under the transmission of the reduction gearbox, the cylinder 3 is driven to rotate. The position of the magnetic system 4 is fixed. Under the magnetic attraction of the magnetic powder generated by the magnetic system 4, the magnetic powder is attracted to the outer arc surface of the cylinder 3 and rotates with the cylinder. When the magnetic powder rotates to the weakest point of the magnetic force, under the action of gravity, the magnetic powder falls downward and enters the magnetic discharge trough of the tank 2. At the same time, the non-magnetic powder will fall into the non-magnetic discharge trough of the tank 2. The powder is magnetically separated. The system also includes a dustproof mechanism 5.

[0024] Dustproof mechanism 5: It includes a dust cover 51, a baffle 52 and a baffle plate 53. The dust cover 51 is set on the upper surface of the tank body 2. The baffle 52 is rotatably connected to the rotating groove at the lower end of the feed trough of the tank body 2. The baffle 52 is composed of a rotating shaft and plates with annular distribution on the outer arc surface of the rotating shaft. The elastically limited baffle plate 53 is vertically slidably connected to the lower end of the inner arc surface of the discharge trough of the tank body 2. During the magnetic separation process, due to the elastic limiting effect, the baffle plate 53 is inserted into the lower end of the discharge trough, preventing dust from being discharged with the powder. As the powder accumulates on the surface of the baffle plate 53, under the action of the powder's gravity, it overcomes the elastic limiting and pushes the baffle plate 53 downward until a gap appears between the discharge trough and the baffle plate 53. The powder is then discharged from the gap. The accumulation of powder prevents dust from being discharged from the discharge position. At the same time, the baffle plate 52 rotates clockwise in the rotating groove of the tank body 2 to prevent dust from being discharged from the feed position, so that the dust is concentrated inside the dust cover 51.

[0025] A microcontroller 14 is provided at the right end of the frame 1. The input terminal of the microcontroller 14 is electrically connected to an external power source to control the start and stop of the entire device. The output shaft of the drive motor at the front end of the frame 1 is electrically connected to the output terminal of the microcontroller 14.

[0026] The dustproof mechanism 5 also includes an exhaust pipe 54, a filter cartridge 55, and a fan 56. The exhaust pipe 54 is located at the exhaust port on the upper surface of the dust cover 51. The exhaust pipe 54 is connected to the exhaust pipe 56. The filter cartridge 55 is connected in series in the middle of the exhaust pipe 54. The input end of the fan 56 is electrically connected to the output end of the microcontroller 14. When the fan 56 is started, the air inside the dust cover 51 is extracted using the exhaust pipe 54, and the dust is filtered and collected through the filter screen inside the filter cartridge 55.

[0027] Both ends of the baffle 52 are equipped with discs, and reflective positioning plates 6 are provided on the opposite outer surfaces of the two discs. A photoelectric sensor 7 is installed in the mounting hole on the front surface of the tank 2. The distance between the photoelectric sensor 7 and the rotating shaft of the baffle 52 is equal to the distance between the reflective positioning plate 6 and the rotating shaft of the baffle 52. The reflective positioning plates 6 are arranged in a ring around the rotating shaft of the baffle 52. A motor 8 is installed on the front surface of the tank 2. The output shaft of the motor 8 is fixedly connected to the rotating shaft of the baffle 52. The input end of the motor 8 is electrically connected to the output end of the microcontroller 14. The output end of the photoelectric sensor 7 is electrically connected to the microcontroller 14. The input terminal of the microcontroller 14 provides power for the clockwise rotation of the baffle 52. During the rotation of the baffle 52, when the reflective positioning plate 6 and the photoelectric sensor 7 are longitudinally aligned, the reflective coating in the middle of the reflective positioning plate 6 reflects the signal emitted by the photoelectric sensor 7. When the photoelectric sensor 7 receives the reflected signal, it sends a signal to the microcontroller 14, and the microcontroller 14 controls the baffle 52 to stop rotating. At this time, the baffle 52 contacts the bottom wall slope of the feed trough of the tank body 2 and the inner arc surface of the rotating trough, accurately blocking air and dust from entering the feed trough of the tank body 2.

[0028] The lower end of the outer arc surface of the discharge pipe of the tank body 2 is threaded with an internal thread ring 13. The outer arc surface of the internal thread ring 13 is provided with a sleeve 12. The inside of the sleeve 12 is vertically slidably connected with a sliding column 10. A connecting plate 9 is provided between the lower ends of the sliding columns 10 located on the outer arc surface of the discharge pipe of the same tank body 2. The baffle 53 is respectively set in the middle of the upper surface of the connecting plate 9. The sliding column 10 slides vertically in the sleeve 12, providing power for the up and down movement of the baffle 53.

[0029] Limiting springs 11 are provided between the upper surface of the connecting plate 9 and the lower surface of the support plate at the upper end of the sleeve 12. The limiting springs 11 are movably sleeved on the outer arc surface of the sleeve 12. Under the elastic force of the limiting springs 11, they provide elastic limit for the baffle 53. After magnetic separation is completed, the baffle 53 can be manually pressed down to clean the powder inside the discharge trough of the tank 2. The ends of the limiting springs 11 are detachably connected to the connecting plate 9 and the support plate at the upper end of the sleeve 12 by connecting bolts. The limiting springs 11 can be disassembled and replaced or maintained by rotating the connecting bolts periodically to avoid aging and corrosion affecting the normal operation of the limiting springs 11.

[0030] The baffle 53 is a conical disc, and the diameter of the outer arc surface of the baffle 53 gradually increases from top to bottom, which facilitates the accumulation of powder on the surface of the baffle 53 and effectively prevents dust from being discharged from the discharge chute of the tank 2.

[0031] The working principle of the permanent magnet drum magnetic separator with a dustproof structure provided by this utility model is as follows: During use, the powder to be magnetically separated is poured into the feed trough at the right end of the tank 2. The powder moves to the left along the inclined surface of the bottom wall of the feed trough. Simultaneously, the microcontroller 14 starts the motor 8, and the output shaft of the motor 8 drives the baffle 52 to rotate clockwise, propelling the powder into the magnetic separation tank of the tank 2. The drive motor at the front end of the frame 1 is started, and under the transmission of the reduction gearbox, the drum 3 rotates. The magnetic system 4 is fixed in position. Under the magnetic attraction force generated by the magnetic system 4 on the magnetic powder, the magnetic powder is attracted to the outer arc surface of the drum 3 and rotates with the drum. When the magnetic powder rotates to the weakest point of the magnetic force, under the action of gravity, the magnetic powder falls downwards and enters the magnetic discharge trough of the tank 2. Meanwhile, non-magnetic powder will fall into the non-magnetic discharge trough of tank 2. At this time, under the elastic force of limit spring 11, baffle 53 is inserted into the lower end of discharge trough, preventing dust from being discharged with the powder. As the powder accumulates on the surface of baffle 53, under the action of gravity, it overcomes the elastic force of limit spring 11 and pushes baffle 53 down until a gap appears between discharge trough and baffle 53. The powder is discharged from the gap. The accumulation of powder prevents dust from being discharged from the discharge position. At the same time, baffle 52 rotates clockwise in the trough of tank 2 to prevent dust from being discharged from the feed position, so that the dust is concentrated inside the dust cover 51. The fan 56 is started, and the air is extracted from the inside of the dust cover 51 through the air extraction pipe 54. The dust is filtered and collected through the filter screen inside the filter cartridge 55.

[0032] It is worth noting that the microcontroller 14 disclosed in the above embodiments can be an STM32F107 microcontroller, while the fan 56, motor 8 and photoelectric sensor 7 can be freely configured according to the actual application scenario. The fan 56 can be a C4-73 dust removal centrifugal fan, the motor 8 can be an RF300 motor, and the photoelectric sensor 7 can be a KR3630 reflective photoelectric sensor. The microcontroller 14 controls the operation of the fan 56, motor 8 and photoelectric sensor 7 using methods commonly used in the prior art.

[0033] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A permanent magnet drum-type magnetic separator with a dustproof structure, comprising a frame (1), wherein a groove (2) is provided inside the frame (1), and a drum (3) is rotatably connected between the front and rear ends of the frame (1), and a magnetic system (4) is installed inside the drum (3), wherein the front and rear ends of the magnetic system (4) are fixedly connected to the frame (1), characterized in that: It also includes a dustproof mechanism (5); Dustproof mechanism (5): It includes a dust cover (51), a baffle (52) and a baffle plate (53). The dust cover (51) is set on the upper surface of the tank (2). The baffle (52) is rotatably connected to the rotating groove at the lower end of the feed trough of the tank (2). The elastically limited baffle plate (53) is vertically slidably connected to the lower end of the inner arc surface of the discharge trough of the tank (2).

2. A permanent magnet drum-type magnetic separator with a dustproof structure according to claim 1, characterized in that: The right end of the frame (1) is provided with a microcontroller (14), and the input end of the microcontroller (14) is electrically connected to an external power source.

3. A permanent magnet drum-type magnetic separator with a dustproof structure according to claim 2, characterized in that: The dustproof mechanism (5) also includes an exhaust pipe (54), a filter cartridge (55) and a fan (56). The exhaust pipe (54) is located at the exhaust port on the upper surface of the dust cover (51). The exhaust pipe (54) is connected to the exhaust pipe (56). The filter cartridge (55) is connected in series in the middle of the exhaust pipe (54). The input end of the fan (56) is electrically connected to the output end of the microcontroller (14).

4. A permanent magnet drum-type magnetic separator with a dustproof structure according to claim 2, characterized in that: The baffle (52) has a disc at both the front and rear ends. The two discs have reflective positioning plates (6) on their opposite outer sides. A photoelectric sensor (7) is installed in the mounting hole on the front surface of the groove (2). A motor (8) is installed on the front surface of the groove (2). The output shaft of the motor (8) is fixedly connected to the rotating shaft of the baffle (52). The input end of the motor (8) is electrically connected to the output end of the microcontroller (14). The output end of the photoelectric sensor (7) is electrically connected to the input end of the microcontroller (14).

5. A permanent magnet drum-type magnetic separator with a dustproof structure according to claim 1, characterized in that: The lower end of the outer arc surface of the discharge pipe of the trough (2) is threaded with an internal thread ring (13). The outer arc surface of the internal thread ring (13) is provided with a sleeve (12). The inside of the sleeve (12) is vertically slidably connected with a sliding column (10). The lower ends of the sliding columns (10) located on the outer arc surface of the discharge pipe of the same trough (2) are provided with a connecting plate (9). The baffle (53) is respectively set in the middle of the upper surface of the connecting plate (9).

6. A permanent magnet drum-type magnetic separator with a dustproof structure according to claim 5, characterized in that: Limiting springs (11) are provided between the upper surface of the connecting plate (9) and the lower surface of the support plate at the upper end of the sleeve (12), and the limiting springs (11) are respectively movably sleeved on the outer arc surface of the sleeve (12).

7. A permanent magnet drum magnetic separator with a dustproof structure according to claim 1, characterized in that: The baffle (53) is a conical disc, and the diameter of the outer arc surface of the baffle (53) gradually increases from top to bottom.

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