Iron powder concentration magnetic separator

Abstract

The utility model relates to the technical field of fine iron powder production, in particular to a fine iron powder concentration magnetic separator which comprises a magnetic separator body, a screening box is fixedly connected to the side face of the magnetic separator body, and a cleaning mechanism is arranged in the screening box. The cleaning mechanism comprises an electric motor, an equipment box body, two positioning boxes, a limiting block, a scraping plate, a transmission rod, a first bevel gear, a threaded rod and a second bevel gear, the equipment box body is fixedly connected with the inner wall of the rear side of the screening box body, and the rear ends of the two positioning boxes are fixedly connected with the two ends of the equipment box body correspondingly; an electric motor drives two threaded rods to rotate through cooperation of a transmission rod and two bevel gears, the two threaded rods drive a scraping plate to slide front and back on the surface of the screen plate through cooperation of limiting blocks and limiting rods, then impurities on the surface of the screen plate are pushed out from the front side and the rear side, the screen plate is kept unblocked, and the cleaning speed is effectively increased; the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of iron ore concentrate production, in particular to a magnetic separator for selecting iron ore concentrate. Background Art

[0002] Magnetic separation is a process of separating different magnetic components in a material based on the magnetic differences of different components in the separated material. During the magnetic separation process, the mineral particles are affected by a variety of forces, including gravity, centrifugal force, water flow force and friction in addition to magnetic force. When the magnetic force on the magnetic mineral particles is greater than the sum of the other forces, they will be sucked out or deviated from the material flow and become magnetic products.

[0003] Among them, announcement number CN219943692U discloses an iron ore concentrate magnetic separator, including a magnetic separator main body, a feed box and a discharge box are arranged on one side of the magnetic separator main body, a fixed ring is arranged in the feed box, a fixed ring is arranged above the fixed ring, a screen is arranged on the fixed ring, a cooling box is arranged at the bottom of the magnetic separator main body, a cooling hole is arranged on the cooling box, a refrigerator is arranged on one side of the cooling box, a dust-proof net is arranged at the air inlet end of the refrigerator, a dust suction box is arranged on the top of the magnetic separator main body, a dust suction pipe is arranged in the dust suction box, and a dust suction fan is arranged on one side of the dust suction pipe. By arranging the feed box, the fixed ring, the fixed ring and the screen, it is convenient to filter and screen the iron ore concentrate raw material at the feed box to prevent impurities in the iron ore concentrate raw material from clogging the screen and affecting the working efficiency of the magnetic separator main body. By arranging the cooling box, the cooling hole and the cooler, the interior of the magnetic separator main body is cooled down. By arranging the dust suction box, the dust suction pipe and the dust suction fan, the dust generated by the magnetic separation work inside the magnetic separator main body is cleaned.

[0004] The device filters and screens the raw materials by setting a screen, but the screen needs to be removed during use to clean the impurities on its surface. The cleaning process is relatively troublesome, and the equipment needs to be shut down during the cleaning process, resulting in low screening efficiency of the equipment.

[0005] Therefore, it is necessary to invent a magnetic separator for fine iron powder to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a magnetic separator for selecting iron ore concentrate, so as to solve the problem that the cleaning process in the technology is complicated and the equipment needs to be shut down during the cleaning process, resulting in low screening efficiency of the equipment.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic separator for fine iron ore powder, comprising a magnetic separator body, a screening box body being fixedly connected to the side of the magnetic separator body, a cleaning mechanism being arranged inside the screening box body, the cleaning mechanism comprising an electric motor, a device box body, two groups of positioning boxes, a limit block, a scraper, a transmission rod, a first bevel gear, a threaded rod and a second bevel gear, the device box body being fixedly connected to the rear inner wall of the screening box body, the rear ends of the two groups of the positioning boxes being fixedly connected to the two ends of the device box body respectively, the electric motor being fixedly installed on the left surface of the screening box body near the rear end, and a sieve plate being arranged between the two groups of the positioning boxes.

[0008] By adopting the above technical scheme, the raw materials are screened through the sieve plate during use, and the debris generated during the screening process will remain on the surface of the sieve plate. In the gap of feeding, the transmission rod is driven to rotate by the electric motor, and the transmission rod drives the threaded rod to rotate through the cooperation of two sets of bevel gears, and then the scraper is driven to scrape back and forth on the surface of the sieve plate through the limit block, and the impurities on the surface are pushed out to the front and back sides, and the impurities are processed in time, so that the sieve plate always maintains the best screening state, thereby improving the screening efficiency.

[0009] Optionally, the right end of the transmission rod is rotatably connected to the right end of the device box body, the left end of the transmission rod is fixedly connected to the output end of the electric motor, and two groups of the first bevel gears are provided, and the two groups of the first bevel gears are respectively fixedly connected to the two ends of the transmission rod.

[0010] By adopting the above technical solution, the output end of the electric motor drives the transmission rod to rotate, and the transmission rod drives the two groups of first bevel gears on its surface to rotate.

[0011] Optionally, positioning grooves are provided on the surfaces of the two groups of positioning boxes, two ends of the threaded rod are rotatably connected to two ends of the positioning grooves respectively, the rear end of the threaded rod is fixedly connected to the second bevel gear, and the second bevel gear is meshingly connected to the first bevel gear.

[0012] By adopting the above technical solution, the first bevel gear drives the second bevel gear to rotate, and the second bevel gear drives the threaded rod to rotate inside the positioning groove.

[0013] Optionally, two groups of the limit blocks are provided, the two groups of the limit blocks are threadedly connected to the two groups of the threaded rods respectively, a limit rod is fixedly connected between the two groups of the limit blocks, and a limit groove is provided on the surface of the limit rod.

[0014] By adopting the above technical solution, the threaded rod drives the limit block to slide inside the positioning groove, and the two groups of limit blocks drive the limit rod to slide back and forth above the screen plate.

[0015] Optionally, a connecting slider is slidably connected inside the limiting groove, the lower end of the connecting slider is fixedly connected to the scraper, and the lower end of the scraper is tightly against the upper surface of the screen plate.

[0016] By adopting the above technical solution, the limiting rod drives the connecting slider to slide back and forth, thereby driving the scraper to slide back and forth on the surface of the screen plate. At the same time, the connecting slider can slide left and right inside the limiting groove.

[0017] Optionally, baffles are fixedly connected to the left and right sides of the sieve plate, first connecting blocks are fixedly connected to the lower sides of the two groups of baffles, a positioning rod is slidably connected between the left and right groups of the first connecting blocks, and the positioning rod is fixedly connected to the inner wall of the screening box body.

[0018] By adopting the above technical solution, the first connecting block slides left and right on the surface of the positioning rod, thereby driving the screen plate to slide left and right.

[0019] Optionally, a high-speed cylinder is fixedly installed near the middle position on the left surface of the screening box body, a second connecting block is fixedly connected to the middle position of the lower side of the left baffle, and the telescopic rod in the high-speed cylinder is fixedly connected to the second connecting block.

[0020] By adopting the above technical solution, the telescopic rod in the high-speed cylinder pushes the screen plate to slide left and right on the surface of the positioning rod.

[0021] Optionally, waste discharge ports are provided at both the front and rear ends of the screening box body, and a waste discharge plate is fixedly connected to the interior of the waste discharge port.

[0022] By adopting the above technical solution, the scraper pushes the waste to the waste discharge ports at the front and rear ends to discharge the waste.

[0023] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0024] 1. The utility model drives the transmission rod to rotate through the electric motor in the gap of feeding, and the transmission rod drives the threaded rod to rotate through the cooperation of two sets of bevel gears, and then drives the scraper to scrape the surface of the screen plate back and forth through the limit block, so that the impurities on the surface are pushed out to the front and back sides, and the impurities are processed in time, so that the screen plate always maintains the best screening state, improves the screening efficiency, and solves the problem that the cleaning process is troublesome and the equipment needs to be shut down during the cleaning process, resulting in low screening efficiency of the equipment;

[0025] 2. The utility model pushes the screen plate to slide left and right on the surface of the positioning rod through the telescopic rod in the high-speed cylinder, spreads the raw materials on the surface of the screen plate, and makes the raw materials shake left and right on the surface of the screen plate, so that qualified raw materials fall quickly, which is convenient for screening the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the screening box structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the screen plate structure of the utility model;

[0030] Figure 5 This is a schematic diagram of the device box structure of the utility model;

[0031] Figure 6 This is a schematic diagram of the threaded rod structure of the utility model.

[0032] Description of reference numerals:

[0033] 1. Magnetic separator body; 2. Screening box body; 21. Waste outlet; 22. High-speed cylinder; 23. Electric motor; 24. Positioning rod; 25. Screen plate; 26. Baffle; 27. First connecting block; 28. Second connecting block; 3. Equipment box body; 31. Positioning box; 32. Positioning groove; 33. Limit block; 34. Limit rod; 35. Limit groove; 36. Connecting slider; 37. Scraper; 38. Transmission rod; 39. First bevel gear; 310. Threaded rod; 311. Second bevel gear. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0035] The utility model provides Figures 1 to 4The magnetic separator for fine iron powder cleaning shown in the figure comprises a magnetic separator body 1, a screening box body 2 is fixedly connected to the side of the magnetic separator body 1, a cleaning mechanism is arranged inside the screening box body 2, and the cleaning mechanism comprises an electric motor 23, an equipment box body 3, two sets of positioning boxes 31, a limit block 33, a scraper 37, a transmission rod 38, a first bevel gear 39, a threaded rod 310 and a second bevel gear 311, a sieve plate 25 is arranged between the two sets of positioning boxes 31, and waste outlets 21 are opened at both the front and rear ends of the screening box body 2, and the inside of the waste outlet 21 A waste discharge plate is fixedly connected, baffles 26 are fixedly connected to the left and right sides of the screen plate 25, first connecting blocks 27 are fixedly connected to the lower sides of the two groups of baffles 26, a positioning rod 24 is slidably connected between the left and right groups of first connecting blocks 27, the positioning rod 24 is fixedly connected to the inner wall of the screening box body 2, a high-speed cylinder 22 is fixedly installed on the left side surface of the screening box body 2 near the middle position, a second connecting block 28 is fixedly connected to the middle position of the lower side of the left baffle 26, and the telescopic rod in the high-speed cylinder 22 is fixedly connected to the second connecting block 28.

[0036] Among them, by pouring the material onto the surface of the sieve plate 25, the telescopic rod of the high-speed cylinder 22 pushes the sieve plate 25 left and right, so that the sieve plate 25 slides left and right at high speed on the surfaces of the two groups of positioning rods 24, thereby driving the raw materials to shake on the surface of the sieve plate 25, so that qualified raw materials can quickly pass through the sieve plate 25. After the raw materials are screened, the electric motor 23 in the cleaning mechanism drives the two groups of threaded rods 310 to rotate through the transmission rod 38, thereby driving the limit block 33 to slide back and forth, and then driving the scraper 37 to slide back and forth to push the unqualified raw materials on the surface of the sieve plate 25 to the front and rear sides, and discharge them from the waste outlet 21.

[0037] See also Figure 5 and Figure 6The device box body 3 is fixedly connected to the rear inner wall of the screening box body 2, the rear ends of the two groups of positioning boxes 31 are respectively fixedly connected to the two ends of the device box body 3, the electric motor 23 is fixedly installed on the left surface of the screening box body 2 near the rear end, the right end of the transmission rod 38 is rotatably connected to the right end of the device box body 3, the left end of the transmission rod 38 is fixedly connected to the output end of the electric motor 23, the first bevel gear 39 is provided with two groups, the two groups of first bevel gears 39 are respectively fixedly connected to the two ends of the transmission rod 38, the surfaces of the two groups of positioning boxes 31 are provided with positioning grooves 32, and the two ends of the threaded rod 310 They are respectively rotatably connected to the two ends of the positioning groove 32, the rear end of the threaded rod 310 is fixedly connected to the second bevel gear 311, the second bevel gear 311 is meshingly connected to the first bevel gear 39, and two groups of limit blocks 33 are provided. The two groups of limit blocks 33 are threadedly connected to the two groups of threaded rods 310 respectively, and a limit rod 34 is fixedly connected between the two groups of limit blocks 33. A limit groove 35 is provided on the surface of the limit rod 34, and a connecting slider 36 is slidably connected inside the limit groove 35. The lower end of the connecting slider 36 is fixedly connected to the scraper 37, and the lower end of the scraper 37 is tightly against the upper surface of the screen plate 25.

[0038] Specifically, during the sliding of the sieve plate 25 left and right, the scraper 37 and the connecting slider 36 are driven to slide left and right inside the limiting groove 35, so that the scraper 37 is always in close contact with the surface of the sieve plate 25. When cleaning is needed, the output end of the electric motor 23 drives the transmission rod 38 to rotate, and the transmission rod 38 drives the two groups of first bevel gears 39 on its surface to rotate. The two groups of first bevel gears 39 cooperate with the two groups of second bevel gears 311 to drive the two groups of threaded rods 310 to rotate. The two groups of threaded rods 310 respectively drive the two groups of limit blocks 33 to slide back and forth inside the positioning groove 32, and then drive the limit rod 34 to slide back and forth. At this time, the limit rod 34 drives the scraper 37 to slide back and forth on the surface of the sieve plate 25 to remove impurities on the surface of the sieve plate 25, so that the sieve plate 25 remains unobstructed.

[0039] Working principle of the utility model: in order to increase the speed of impurity cleaning and improve the screening efficiency, in the gap of feeding, the electric motor 23 drives the two groups of threaded rods 310 to rotate through the cooperation of the transmission rod 38 and the two groups of bevel gears, and the two groups of threaded rods 310 drive the scraper 37 to slide back and forth on the surface of the sieve plate 25 through the cooperation of the limit block 33 and the limit rod 34, thereby pushing the impurities on the surface of the sieve plate 25 to the front and rear sides, keeping the sieve plate 25 unobstructed, thereby effectively improving the cleaning speed and increasing the screening efficiency.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A magnetic separator for fine iron powder, comprising a magnetic separator body (1), characterized in that: A screening box (2) is fixedly connected to the side of the magnetic separator body (1); a cleaning mechanism is arranged inside the screening box (2); the cleaning mechanism comprises an electric motor (23), a device box (3), two groups of positioning boxes (31), a stop block (33), a scraper (37), a transmission rod (38), a first bevel gear (39), a threaded rod (310) and a second bevel gear (311); the device box (3) is fixedly connected to the rear inner wall of the screening box (2); the rear ends of the two groups of positioning boxes (31) are respectively fixedly connected to the two ends of the device box (3); the electric motor (23) is fixedly mounted on the left side surface of the screening box (2) near the rear end; and a sieve plate (25) is arranged between the two groups of positioning boxes (31).

2. The magnetic separator for fine iron powder cleaning according to claim 1, characterized in that: The right end of the transmission rod (38) is rotatably connected to the right end of the device box body (3), the left end of the transmission rod (38) is fixedly connected to the output end of the electric motor (23), and two groups of the first bevel gears (39) are provided, and the two groups of the first bevel gears (39) are respectively fixedly connected to the two ends of the transmission rod (38).

3. The magnetic separator for fine iron powder cleaning according to claim 2, characterized in that: The surfaces of the two groups of positioning boxes (31) are both provided with positioning grooves (32), the two ends of the threaded rod (310) are rotatably connected to the two ends of the positioning grooves (32), the rear end of the threaded rod (310) is fixedly connected to the second bevel gear (311), and the second bevel gear (311) is meshingly connected to the first bevel gear (39).

4. The magnetic separator for fine iron powder cleaning according to claim 1, characterized in that: Two groups of the limit blocks (33) are provided, and the two groups of the limit blocks (33) are respectively threadedly connected to the two groups of the threaded rods (310), and a limit rod (34) is fixedly connected between the two groups of the limit blocks (33), and a limit groove (35) is provided on the surface of the limit rod (34).

5. The magnetic separator for fine iron powder cleaning according to claim 4, characterized in that: A connecting slider (36) is slidably connected inside the limiting groove (35), the lower end of the connecting slider (36) is fixedly connected to the scraper (37), and the lower end of the scraper (37) is tightly abutted against the upper surface of the sieve plate (25).

6. The magnetic separator for fine iron powder cleaning according to claim 1, characterized in that: Baffles (26) are fixedly connected to the left and right sides of the sieve plate (25); first connection blocks (27) are fixedly connected to the lower sides of the two groups of baffles (26); a positioning rod (24) is slidably connected between the two groups of the first connection blocks (27); and the positioning rod (24) is fixedly connected to the inner wall of the screening box body (2).

7. The magnetic separator for fine iron powder cleaning according to claim 6, characterized in that: A high-speed cylinder (22) is fixedly mounted near the middle of the left side surface of the screening box body (2), a second connecting block (28) is fixedly connected to the middle of the lower side of the left baffle (26), and a telescopic rod in the high-speed cylinder (22) is fixedly connected to the second connecting block (28).

8. The magnetic separator for fine iron powder cleaning according to claim 1, characterized in that: The screening box body (2) is provided with waste discharge openings (21) at both the front and rear ends, and a waste discharge plate is fixedly connected to the interior of the waste discharge opening (21).

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