Magnetic separator capable of screening

Abstract

The magnetic separator comprises a magnetic separator body, a feeding hopper is fixed to the feeding end of the top side of the magnetic separator body in a penetrating mode, a driving frame is fixedly connected to the top of the feeding hopper, connecting boxes are fixedly connected to the inner wall of the driving frame in a front-back symmetry mode, and a screening frame is movably connected between the connecting boxes. Vibrating equipment does not need to be used for vibrating and screening materials, strong vibration is prevented from affecting internal structural components of the magnetic separator body, safety is greatly improved, coarse materials can automatically enter the magnetic separator body for magnetic separation, fine materials and the coarse materials can be rapidly subjected to magnetic separation operation in batches, the material magnetic separation operation is more sufficient, and the magnetic separation efficiency is improved. And meanwhile, the magnetic separation operation efficiency cannot be influenced due to inconsistent thickness of the materials, an output shaft of a third servo motor drives a movable shaft to rotate, a stirring rod on the outer wall of the movable shaft rotates, and the condition of blockage caused by excessive materials can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic separators, in particular to a screening magnetic separator. Background Art

[0002] Magnetic separator is one of the most widely used and versatile machines in the industry. It is suitable for removing magnetic iron ore from ores for reuse. Magnetic separator is suitable for wet or dry magnetic separation of manganese ore, magnetite, pyrrhotite, roasted ore, ilmenite and other materials. It is also used for iron removal of coal, non-metallic minerals, building materials and other materials. General magnetic separators directly perform magnetic separation on ore during mineral separation. Due to the large ore particles, the magnetic separation effect is not good and the working efficiency is low.

[0003] In the prior art, application number 202021992052.9 discloses a screening structure of a magnetic separator, the screening structure of the magnetic separator includes a vibrating filter assembly, the vibrating filter assembly includes a vibrating frame, a filter plate is provided in the vibrating frame, a vibrator is provided under the vibrating frame, an array of shock-absorbing springs are provided under the vibrating frame, a coarse material box and a fine material box are provided at one end of the vibrating frame, a filter plate is provided in the vibrating frame, a vibrating cover is provided on the vibrating frame, a magnetic separator is provided on one side of the fine material box, the magnetic separator includes an outer frame, an inclined surface is provided on one side of the outer frame, and a magnetic barrel is provided in the outer frame; the vibration screening of the above-mentioned device will cause the internal components of the magnetic separator to loosen and malfunction, and after the coarse and fine screening is completed, only the fine material can be magnetically separated, and the staff still needs to pick up the coarse material for magnetic separation again to fully mechanically separate the material, which is not practical enough.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a screening magnetic separator to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A screening magnetic separator comprises a magnetic separator body, a lower hopper is fixedly connected through the top feed end of the magnetic separator body, a driving frame is fixedly connected to the top of the lower hopper, connecting boxes are fixedly connected to the inner wall of the driving frame symmetrically front and back, a screening frame is movably connected between the connecting boxes, a mounting frame is connected to the bottom of the inner cavity of the screening frame, and a screening net is fixedly connected inside the mounting frame.

[0008] Preferably, a first servo motor is symmetrically fixedly connected to the rear side of the driving frame, a rotating shaft is symmetrically arranged inside the driving frame, the front end of the rotating shaft is connected to the front side of the inner wall of the bearing driving frame, and the output shaft of the first servo motor is fixedly connected to the rear end of the rotating shaft.

[0009] Preferably, a cam is sleeved and fixed on the middle part of the outer wall of the rotating shaft, installation grooves are respectively dug on the left and right sides of the screening frame, a connecting shaft is fixedly connected between the inner walls of the installation grooves, and a rubber column is sleeved and fixed on the outer wall of the connecting shaft.

[0010] Preferably, the rubber columns all extend into the outside of the installation groove, and the cam on the left side is movably abutted against the outer wall of the rubber column on the outer wall of the connecting shaft on the left side.

[0011] Preferably, a U-shaped plate is symmetrically provided on the outer wall of the screening frame, a guide wheel is connected to the inside of the U-shaped plate through a bearing, sliding blocks are fixedly connected to the upper and lower parts of the U-shaped plate respectively, and a sliding rod is slidably provided inside the sliding block.

[0012] Preferably, both ends of the sliding rod are fixedly connected to the inner walls of the connecting box, the outer side of the guide wheel is connected to the inner wall of the connecting box, the left and right sides of the mounting frame are fixedly connected with adjusting shafts, the outer ends of the adjusting shafts are connected to the inner wall of the screening frame through bearings, and a second servo motor is fixedly connected to the middle of the left wall cavity of the screening frame.

[0013] Preferably, the output shaft of the second servo motor is fixedly connected with a worm, the left side of the adjustment shaft extends into the left wall cavity of the screening frame and is fixedly connected with a worm wheel, and the top side of the worm is matched and meshed with the worm wheel.

[0014] Preferably, mounting blocks are fixedly connected to both sides of the inner wall of the bottom opening of the lower hopper, a movable shaft is connected to the inner side of the mounting block on the left side through a bearing, a third servo motor is fixedly connected to the inner cavity of the mounting block on the right side, the output shaft of the third servo motor is fixedly connected to the right end of the movable shaft, and stirring rods are equidistantly connected to the outer wall of the movable shaft.

[0015] The beneficial effects of the utility model are: there is no need to use vibration equipment to vibrate and screen the materials, thus avoiding strong vibrations affecting the internal structural components of the magnetic separator body, greatly improving safety, enabling coarse materials to automatically enter the magnetic separator body for magnetic separation, and enabling fast magnetic separation operations on fine and coarse materials in batches, making the material magnetic separation operation more sufficient, and at the same time not affecting the efficiency of the magnetic separation operation due to inconsistent material coarseness; the output shaft of the third servo motor drives the movable shaft to rotate, causing the stirring rod on the outer wall of the movable shaft to rotate, thereby avoiding blockage caused by excessive materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a sieving magnetic separator according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of a driving frame of a sieving magnetic separator according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of a cross-sectional structure of a screening frame of a screening magnetic separator according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of a lower hopper of a sieving magnetic separator according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Magnetic separator body; 2. Feed hopper; 3. Driving frame; 4. Connecting box; 5. Screening frame; 6. Mounting frame; 7. Screening net; 8. First servo motor; 9. Rotating shaft; 10. Cam; 11. Mounting groove; 12. Connecting shaft; 13. Rubber column; 14. U-shaped plate; 15. Guide wheel; 16. Sliding block; 17. Sliding rod; 18. Adjusting shaft; 19. Second servo motor; 20. Worm; 21. Worm wheel; 22. Mounting block; 23. Movable shaft; 24. Third servo motor; 25. Stirring rod. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a sieving magnetic separator is provided.

[0025] Embodiment 1

[0026] like Figure 1-4As shown, a sieving magnetic separator according to an embodiment of the utility model comprises a magnetic separator body 1, a lower hopper 2 is fixedly connected through the top feed end of the magnetic separator body 1, a driving frame 3 is fixedly connected to the top of the lower hopper 2, a connecting box 4 is symmetrically fixedly connected to the inner wall of the driving frame 3 at the front and back, a screening frame 5 is movably connected between the connecting boxes 4, a mounting frame 6 is connected to the bottom of the inner cavity of the screening frame 5, a screening net 7 is fixedly connected inside the mounting frame 6, a first servo motor 8 is symmetrically fixedly connected to the rear side of the driving frame 3, a rotating shaft 9 is symmetrically arranged inside the driving frame 3, the front end of the rotating shaft 9 is connected to the front side of the inner wall of the driving frame 3 through a bearing, the output shaft of the first servo motor 8 is fixedly connected to the rear end of the rotating shaft 9, a cam 10 is fixedly arranged in the middle of the outer wall of the rotating shaft 9, and mounting grooves 11 are respectively dug on the left and right sides of the screening frame 5, and the mounting grooves 11 are respectively dug on the left and right sides of the screening frame 5. A connecting shaft 12 is fixedly connected between the inner walls of the groove 11, and a rubber column 13 is sleeved and fixed on the outer wall of the connecting shaft 12. The rubber column 13 extends into the outside of the installation groove 11, and the left cam 10 is movably abutted against the outer wall of the rubber column 13 on the outer wall of the left connecting shaft 12. A large amount of material can be laid on the screening net 7, and the output shaft of the first servo motor 8 is controlled to rotate respectively, so that the output shaft of the first servo motor 8 drives the rotating shaft 9 to rotate, and the cam 10 on the outer wall of the rotating shaft 9 intermittently pushes the rubber column 13, so that the screening frame 5 reciprocates between the connecting boxes 4, and the material on the screening net 7 in the installation frame 6 can be swung back and forth to screen the material. There is no need to use vibration equipment to vibrate and screen the material, so as to avoid strong vibration affecting the internal structural components of the magnetic separator body 1, and the safety is greatly improved.

[0027] Embodiment 2

[0028] like Figure 1-4As shown, a sieving magnetic separator according to an embodiment of the utility model comprises a magnetic separator body 1, a lower hopper 2 is fixedly connected to the top of the feed end of the magnetic separator body 1, a driving frame 3 is fixedly connected to the top of the lower hopper 2, a connecting box 4 is symmetrically fixedly connected to the inner wall of the driving frame 3, a screening frame 5 is movably connected between the connecting boxes 4, a mounting frame 6 is connected to the bottom of the inner cavity of the screening frame 5, a screening net 7 is fixedly connected to the inside of the mounting frame 6, a U-shaped plate 14 is symmetrically arranged on the outer wall of the screening frame 5, and the inside of the U-shaped plate 14 is passed through an axis The bearing is connected with a guide wheel 15, and the upper and lower parts of the U-shaped plate 14 are respectively fixedly connected with sliding blocks 16. A sliding rod 17 is provided inside the sliding block 16 for sliding through. Both ends of the sliding rod 17 are fixedly connected with both sides of the inner wall of the connecting box 4. The outer side of the guide wheel 15 is connected with the inner wall of the connecting box 4. The left and right sides of the mounting frame 6 are fixedly connected with an adjusting shaft 18. The outer end of the adjusting shaft 18 is connected with the inner wall of the screening frame 5 through a bearing. A second servo motor 19 is fixedly connected to the middle of the left wall cavity of the screening frame 5. The output shaft of the second servo motor 19 is fixedly connected with The worm 20 and the left adjusting shaft 18 extend into the left wall cavity of the screening frame 5 and are fixedly connected with a worm wheel 21. The top side of the worm 20 is matched and meshed with the worm wheel 21. In the process of left and right reciprocating swinging to screen the material, the guide wheels 15 on both sides of the screening frame 5 slide on the inner wall of the connecting box 4 to improve the smoothness of the left and right reciprocating swinging, and the sliding block 16 on the outer side of the guide wheel is sleeved on the sliding rod 17, which can play a guiding and stabilizing role. After the coarse and fine materials are screened, the coarse materials will remain on the screening net 7, and the fine materials will be magnetically separated. After the selection is completed, the second servo motor 19 can be started, and the output shaft of the second servo motor 19 drives the worm 20 to rotate, so that the worm 20 engages and drives the worm wheel 21 to rotate, and the worm wheel 21 drives the adjusting shaft 18 to rotate, so that the mounting frame 6 is flipped inside the screening frame 5, and the coarse material can be automatically introduced into the magnetic separator body 1 for magnetic separation, and the fine material and coarse material can be quickly magnetically separated in batches, so that the material magnetic separation operation is more sufficient, and at the same time, the magnetic separation operation efficiency will not be affected by the inconsistent coarseness of the material.

[0029] Embodiment 3

[0030] like Figure 1-4As shown, a sieving magnetic separator according to an embodiment of the utility model comprises a magnetic separator body 1, a lower hopper 2 is fixedly connected to the top of the magnetic separator body 1, a driving frame 3 is fixedly connected to the top of the lower hopper 2, a connecting box 4 is fixedly connected to the inner wall of the driving frame 3 symmetrically front and back, a screening frame 5 is movably connected between the connecting boxes 4, a mounting frame 6 is connected to the bottom of the inner cavity of the screening frame 5, a screening net 7 is fixedly connected to the inside of the mounting frame 6, mounting blocks 22 are fixedly connected to the inner wall of the bottom of the lower hopper 2 respectively, and the inner side of the left mounting block 22 is connected to the inner wall of the lower hopper 2 by a bearing. A movable shaft 23 is connected, and a third servo motor 24 is fixedly connected to the inner cavity of the right mounting block 22. The output shaft of the third servo motor 24 is fixedly connected to the right end of the movable shaft 23, and stirring rods 25 are equidistantly connected to the outer wall of the movable shaft 23. The screened material will enter the lower hopper 2. In the process of entering the feed end of the magnetic separator body 1, the third servo motor 24 is started, and the output shaft of the third servo motor 24 drives the movable shaft 23 to rotate, so that the stirring rod 25 on the outer wall of the movable shaft 23 rotates, which can avoid blockage caused by excessive material.

[0031] In summary, with the help of the above-mentioned technical scheme of the utility model, when this device is in use, a large amount of material can be laid on the screening net 7, and the output shaft of the first servo motor 8 can be controlled to rotate respectively, so that the output shaft of the first servo motor 8 drives the rotating shaft 9 to rotate, and the cam 10 on the outer wall of the rotating shaft 9 intermittently pushes the rubber column 13, so that the screening frame 5 can reciprocate between the connecting boxes 4, and the material on the screening net 7 in the installation frame 6 can be swung back and forth to screen the material. In the process of reciprocating left and right swinging to screen the material, the guide wheels 15 on both sides of the screening frame 5 slide on the inner wall of the connecting box 4 to improve the smoothness of the reciprocating swing, and the sliding block 16 on the outer side of the guide wheel is sleeved on the sliding rod 17, which can play a guiding and stabilizing role, and in the screening of coarse and fine materials. After that, the coarse material will remain on the screening mesh 7. After the magnetic separation of the fine material is completed, the second servo motor 19 can be started. The output shaft of the second servo motor 19 drives the worm 20 to rotate, so that the worm 20 engages and drives the worm wheel 21 to rotate, and the worm wheel 21 drives the adjusting shaft 18 to rotate, so that the mounting frame 6 is flipped inside the screening frame 5, and the coarse material can be automatically introduced into the magnetic separator body 1 for magnetic separation, and the fine material and coarse material can be quickly magnetically separated in batches. The screened material will enter the lower hopper 2. In the process of entering the feed end of the magnetic separator body 1, the third servo motor 24 is started, and the output shaft of the third servo motor 24 drives the movable shaft 23 to rotate, so that the stirring rod 25 on the outer wall of the movable shaft 23 rotates, which can avoid blockage caused by excessive material.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sieving magnetic separator, comprising a magnetic separator body (1), characterized in that: A lower hopper (2) is fixedly connected to the top feed end of the magnetic separator body (1); a driving frame (3) is fixedly connected to the top of the lower hopper (2); a connecting box (4) is fixedly connected to the inner wall of the driving frame (3) in a front-to-back symmetrical manner; a screening frame (5) is movably connected between the connecting boxes (4); a mounting frame (6) is connected to the bottom of the inner cavity of the screening frame (5); and a screening net (7) is fixedly connected to the inside of the mounting frame (6).

2. A sieving magnetic separator according to claim 1, characterized in that: A first servo motor (8) is symmetrically fixedly connected to the rear side of the driving frame (3); a rotating shaft (9) is symmetrically arranged inside the driving frame (3); a front end of the rotating shaft (9) is connected to the front side of the inner wall of the driving frame (3) via a bearing; and an output shaft of the first servo motor (8) is fixedly connected to the rear end of the rotating shaft (9).

3. A sieving magnetic separator according to claim 2, characterized in that: A cam (10) is sleeved and fixed on the middle of the outer wall of the rotating shaft (9), and installation grooves (11) are respectively excavated on the left and right sides of the screening frame (5). A connecting shaft (12) is fixedly connected between the inner walls of the installing grooves (11), and a rubber column (13) is sleeved and fixed on the outer wall of the connecting shaft (12).

4. A sieving magnetic separator according to claim 3, characterized in that: The rubber columns (13) all extend into the outside of the installation groove (11), and the cam (10) on the left side movably abuts against the outer wall of the rubber column (13) on the outer wall of the connecting shaft (12) on the left side.

5. A sieving magnetic separator according to claim 4, characterized in that: A U-shaped plate (14) is symmetrically arranged on the outer wall of the screening frame (5), a guide wheel (15) is connected to the inside of the U-shaped plate (14) via a bearing, and sliding blocks (16) are fixedly connected to the upper and lower parts of the U-shaped plate (14), respectively, and a sliding rod (17) is slidably penetrated inside the sliding block (16).

6. A sieving magnetic separator according to claim 5, characterized in that: The two ends of the sliding rod (17) are fixedly connected to the two sides of the inner wall of the connecting box (4), the outer side of the guide wheel (15) is connected to the inner wall of the connecting box (4), the left and right sides of the mounting frame (6) are fixedly connected with an adjusting shaft (18), the outer end of the adjusting shaft (18) is connected to the inner wall of the screening frame (5) through a bearing, and the middle part of the left wall cavity of the screening frame (5) is fixedly connected with a second servo motor (19).

7. A sieving magnetic separator according to claim 6, characterized in that: The output shaft of the second servo motor (19) is fixedly connected to a worm (20), the left side of the adjustment shaft (18) extends into the left wall cavity of the screening frame (5) and is fixedly connected to a worm wheel (21), and the top side of the worm (20) is matched and meshed with the worm wheel (21).

8. A sieving magnetic separator according to claim 7, characterized in that: The inner walls of the bottom opening of the lower hopper (2) are fixedly connected with mounting blocks (22) on both sides, the inner side of the left mounting block (22) is connected with a movable shaft (23) via a bearing, the inner cavity of the right mounting block (22) is fixedly connected with a third servo motor (24), the output shaft of the third servo motor (24) is fixedly connected to the right end of the movable shaft (23), and stirring rods (25) are equidistantly connected to the outer wall of the movable shaft (23).

Images