A magnetic drum for iron ore
By designing a rotating plate and a rotating frame in a magnetic drum for iron ore to control the rotation of the permanent magnet, the problem of permanent magnet displacement caused by the vibration of the magnetic drum is solved, and the accuracy and stability of magnetic separation operation are achieved.
Patent Information
- Application Number
- CN202421147508.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing magnetic drums for iron ore will vibrate during operation, resulting in the permanent magnets being easily displaced after the angle adjustment, and the magnetic separation operation cannot be performed correctly.
A magnetic roller including a fixed seat, an adjustment frame, a threaded rod, a handwheel, a connecting slider, a sliding orifice plate, a rotary plate, a connecting cylinder, a support shaft, a rotary frame and a permanent magnet are designed. The connecting shaft drives the roller body to rotate through the working motor, and controls the rotation of the permanent magnet through the rotating plate and the rotating frame to avoid displacement caused by vibration.
It effectively avoids displacement caused by vibration during rotation of permanent magnets, ensuring the accuracy and stability of magnetic separation operations.
Smart Images

Figure CN222739379U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of magnetic rollers, in particular to a magnetic roller for iron ore. Background Art
[0002] After iron ore is mined, it needs to be screened to remove its internal impurities. Magnetic drums are needed for iron ore screening. Magnetic drums are also called permanent magnetic drums. They are suitable for the following purposes: rough selection of lean iron ore after coarse crushing, exclusion of surrounding rock and other waste rocks, and reduction of the load of the next process. They are widely used in mining, electric power, building materials, metallurgy, chemical industry and other industries.
[0003] When the existing magnetic drum for iron ore is in use, the direction of the permanent magnet needs to be rotated to meet the magnetic separation operation in different directions. However, the magnetic drum will vibrate when working. The vibration of the magnetic drum causes the permanent magnet after the angle adjustment to be easily displaced, resulting in the inability to perform the magnetic separation operation correctly.
[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a magnetic roller for iron ore is proposed. Utility Model Content
[0005] The utility model aims to provide a magnetic drum for iron ore, so as to solve the problem that the vibration of the magnetic drum leads to the easy displacement of the permanent magnet after the angle adjustment proposed in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic drum for iron ore, comprising a fixed seat, the top of the fixed seat is fixedly connected to an adjusting frame, the top of the adjusting frame is provided with a threaded rod, one end of the threaded rod is fixedly connected to a handwheel, the outer wall of the threaded rod is threadedly connected to a connecting slider, the side wall of the connecting slider is fixedly connected to a sliding orifice plate, the outer wall of the sliding orifice plate is movably connected to a rotating plate, one end of the rotating plate is fixedly connected to a connecting cylinder, the inner wall of the connecting cylinder is screwed with a support shaft fixedly connected to the inner wall of the fixed seat, the outer wall of the connecting cylinder is fixedly connected to the rotating frame, and the outer wall of the rotating frame is fixedly connected to a permanent magnet.
[0007] Preferably, one end of the support shaft is fixedly connected to a connecting base, the outer wall of the connecting base is fixedly connected to a working motor, the output end of the working motor is equipped with a connecting shaft screwed to the inner wall of the rotating frame, one end of the connecting shaft is provided with a bearing seat, and the outer wall of the connecting shaft is fixedly connected to the roller body.
[0008] Preferably, the rotating plate forms a rotating structure by connecting the slider and the sliding hole plate with the fixed seat.
[0009] Preferably, the central axis of the rotating frame coincides with the central axis of the supporting shaft.
[0010] Preferably, the rotating frame has a semicircular arc shape, and the permanent magnets are evenly distributed along the outer wall of the rotating frame.
[0011] Preferably, the central axis of the connecting shaft coincides with the central axis of the drum body.
[0012] Preferably, the drum body forms a rotating structure through a connecting shaft and a bearing seat.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model sets a permanent magnet and a drum body, and the working motor drives the connecting shaft to rotate through the bearing seat, and the connecting shaft rotates to drive the drum body to rotate. The permanent magnet attracts iron to achieve magnetic separation of the drum body.
[0015] 2. The utility model sets a rotating plate, and the connecting slider slides through the sliding hole plate to drive the rotating plate to rotate. The rotation of the rotating plate drives the rotating frame of the outer wall of the connecting cylinder to rotate. The rotation of the rotating frame drives the permanent magnet to rotate, thereby realizing the control operation of the rotation of the permanent magnet and avoiding the displacement of the permanent magnet due to the self-vibration of the permanent magnet when it rotates. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of a magnetic drum for iron ore according to the utility model;
[0017] Figure 2 This is a schematic diagram of the overall cross-sectional structure of a magnetic drum for iron ore according to the utility model;
[0018] Figure 3 This is a schematic diagram of the adjustment frame structure of a magnetic drum for iron ore according to the utility model;
[0019] Figure 4 This is a schematic diagram of the rotating frame structure of a magnetic drum for iron ore according to the utility model;
[0020] Figure 5 The utility model is a schematic diagram of the main structure of a magnetic drum for iron ore.
[0021] In the figure: 1. fixed seat; 2. adjustment frame; 3. threaded rod; 4. hand wheel; 5. connecting slider; 6. sliding hole plate; 7. rotating plate; 8. connecting cylinder; 9. supporting shaft; 10. rotating frame; 11. permanent magnet; 12. connecting base; 13. working motor; 14. connecting shaft; 15. bearing seat; 16. drum body. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Embodiment 1
[0024] like Figure 1-4 As shown, a magnetic drum for iron ore includes a fixed seat 1, the top of the fixed seat 1 is fixedly connected to an adjusting frame 2, the top of the adjusting frame 2 is provided with a threaded rod 3, one end of the threaded rod 3 is fixedly connected to a hand wheel 4, the outer wall of the threaded rod 3 is threadedly connected to a connecting slider 5, the side wall of the connecting slider 5 is fixedly connected to a sliding hole plate 6, the outer wall of the sliding hole plate 6 is movably connected to a rotating plate 7, one end of the rotating plate 7 is fixedly connected to a connecting cylinder 8, the inner wall of the connecting cylinder 8 is screwed with a support shaft 9 fixedly connected to the inner wall of the fixed seat 1, the outer wall of the connecting cylinder 8 is fixedly connected to a rotating frame 10, and the outer wall of the rotating frame 10 is fixedly connected to a permanent magnet 11.
[0025] In this embodiment, the rotating plate 7 forms a rotating structure with the fixed seat 1 by connecting the slider 5 and the sliding hole plate 6. During operation, the connecting slider 5 slides through the sliding hole plate 6 to drive the rotating plate 7 to rotate, thereby realizing the control operation of the rotation of the rotating plate 7.
[0026] The central axis of the rotating frame 10 coincides with the central axis of the supporting shaft 9 . During operation, the rotating plate 7 rotates to drive the rotating frame 10 connected to the outer wall of the cylinder 8 to rotate, thereby realizing the control operation of the rotation of the rotating frame 10 .
[0027] Among them, the shape of the rotating frame 10 is semicircular, and the permanent magnets 11 are evenly distributed along the outer wall of the rotating frame 10. When working, the rotating frame 10 rotates to drive the permanent magnets 11 to rotate, thereby realizing the control operation of the rotation of the permanent magnets 11 and avoiding the permanent magnets 11 from being offset due to their own vibration when rotating.
[0028] Embodiment 2
[0029] like Figure 2 and Figure 5As shown, compared with Example 1, as another implementation mode of the utility model, one end of the support shaft 9 is fixedly connected to a connecting base 12, the outer wall of the connecting base 12 is fixedly connected to a working motor 13, the output end of the working motor 13 is equipped with a connecting shaft 14 screwed to the inner wall of the rotating frame 10, one end of the connecting shaft 14 is provided with a bearing seat 15, the outer wall of the connecting shaft 14 is fixedly connected to a roller body 16, when working, the working motor 13 drives the connecting shaft 14 to rotate through the bearing seat 15, and the rotation of the connecting shaft 14 drives the roller body 16 to rotate, and the magnetic separation operation of the roller body 16 is realized through the attraction operation of the permanent magnet 11 on iron.
[0030] In this embodiment, the central axis of the connecting shaft 14 coincides with the central axis of the drum body 16. During operation, the working motor 13 drives the connecting shaft 14 to rotate through the bearing seat 15, and the rotation of the connecting shaft 14 drives the drum body 16 to rotate, thereby realizing the control operation of the rotation of the drum body 16.
[0031] Furthermore, the drum body 16 forms a rotating structure with the connecting shaft 14 and the bearing seat 15. The connecting shaft 14 rotates to drive the drum body 16 to rotate, and the permanent magnet 11 attracts iron to achieve magnetic separation of the drum body 16.
[0032] Working principle: When using this magnetic roller for iron ore, first, the working motor 13 drives the connecting shaft 14 to rotate through the bearing seat 15, and the rotation of the connecting shaft 14 drives the roller body 16 to rotate. The permanent magnet 11 attracts the iron to achieve magnetic separation of the roller body 16.
[0033] Finally, to adjust the angle of the permanent magnet 11, the staff turns the handwheel 4, and the rotation of the handwheel 4 drives the connecting slider 5 to slide along the outer wall of the adjustment frame 2 through the threaded rod 3. The connecting slider 5 slides through the sliding hole plate 6 to drive the rotating plate 7 to rotate. The rotation of the rotating plate 7 drives the rotating frame 10 on the outer wall of the connecting cylinder 8 to rotate, and the rotation of the rotating frame 10 drives the permanent magnet 11 to rotate, thereby realizing the control operation of the rotation of the permanent magnet 11, and avoiding the permanent magnet 11 from being offset due to its own vibration when the permanent magnet 11 rotates. This is the working principle of the magnetic drum for iron ore.
[0034] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A magnetic drum for iron ore, comprising a fixed seat (1), characterized in that: The top of the fixed seat (1) is fixedly connected to an adjustment frame (2), the top of the adjustment frame (2) is provided with a threaded rod (3), one end of the threaded rod (3) is fixedly connected to a hand wheel (4), the outer wall of the threaded rod (3) is threadedly connected to a connecting slider (5), the side wall of the connecting slider (5) is fixedly connected to a sliding hole plate (6), the outer wall of the sliding hole plate (6) is movably connected to a rotating plate (7), one end of the rotating plate (7) is fixedly connected to a connecting cylinder (8), the inner wall of the connecting cylinder (8) is screwed with a support shaft (9) fixedly connected to the inner wall of the fixed seat (1), the outer wall of the connecting cylinder (8) is fixedly connected to a rotating frame (10), and the outer wall of the rotating frame (10) is fixedly connected to a permanent magnet (11).
2. The magnetic drum for iron ore according to claim 1, characterized in that: One end of the support shaft (9) is fixedly connected to a connecting base (12), the outer wall of the connecting base (12) is fixedly connected to a working motor (13), the output end of the working motor (13) is provided with a connecting shaft (14) which is screwed to the inner wall of the rotating frame (10), one end of the connecting shaft (14) is provided with a bearing seat (15), and the outer wall of the connecting shaft (14) is fixedly connected to a roller body (16).
3. The magnetic drum for iron ore according to claim 1, characterized in that: The rotating plate (7) forms a rotating structure with the fixed seat (1) by connecting the sliding block (5) and the sliding hole plate (6).
4. The magnetic drum for iron ore according to claim 1, characterized in that: The central axis of the rotating frame (10) coincides with the central axis of the supporting shaft (9).
5. The magnetic drum for iron ore according to claim 1, characterized in that: The rotating frame (10) has a semicircular arc shape, and the permanent magnets (11) are evenly distributed along the outer wall of the rotating frame (10).
6. The magnetic drum for iron ore according to claim 2, characterized in that: The central axis of the connecting shaft (14) coincides with the central axis of the drum body (16).
7. The magnetic drum for iron ore according to claim 2, characterized in that: The roller body (16) forms a rotating structure through the connection shaft (14) and the bearing seat (15).