Device for solving static electricity of mill

By setting up copper cast cover plates and connecting components inside the ball mill to introduce ground static electricity, the problems of safety hazards of static electricity and dust of the ball mill are solved, and the static state is achieved without static electricity, reducing the risk of explosion and extending the use time.

CN223144839UActive Publication Date: 2025-07-25RIZHAO HONGDE BUILDING MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202421868369.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-07-25
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The ball mill produces static electricity and high-concentration dust environment during the grinding process, which poses significant safety hazards.

Method used

A connection device composed of copper cast cover plate, connecting components and ground wires is used to guide the static electricity inside the ball mill shell into the ground to ensure no static state, and the static electricity is absorbed and transported through arc-shaped copper cast plates and copper cast balls.

Benefits of technology

It significantly reduces the risk of explosion caused by accumulation of static electricity, keeps the ball mill free of static state, and improves the safety and use time of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223144839U_ABST
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Abstract

The utility model relates to the technical field of ball mills, and discloses a device for solving static electricity of a mill, which comprises a spiral conveyer and a ball mill shell II, a connecting device is arranged at the right end of the ball mill shell II, a ball mill shell I is arranged at the right end of the connecting device, and a transmission device is arranged at the right end of the ball mill shell I; and the spiral conveyor is mounted at the left end of the ball mill shell II. According to the device for solving the static electricity of the ball mill, the connecting assembly, the copper casting cover plate and the copper casting supporting frame are arranged, the connecting assembly can effectively guide static electricity generated by steel balls in the first ball mill shell and the second ball mill shell into the ground, and it is ensured that the interior of the first ball mill shell and the interior of the second ball mill shell are kept in a static-free state; therefore, the explosion risk caused by static accumulation of the device is remarkably reduced, arc-shaped copper casting plates of different specifications can be used according to the specifications of the first ball mill shell and the second ball mill shell, and the service time of the device can be prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, and specifically relates to a device for solving the static electricity of mills. Background Technique

[0002] A ball mill, as a widely adopted crushing device in the industrial production field, its core function is to crush and finely grind materials to generate the required fine powder. Its importance is self-evident, providing key raw material processing support for numerous industrial processes.

[0003] The prior art discloses a ball mill with the application number: CN202322405977.9, belonging to the technical field of ball mills, including: a ball milling drum and a support seat; two feeding ports, respectively on both sides of the ball milling drum, and support bearings adapted to the feeding ports are provided on both upper ends of the support seat, and the two support bearings are respectively sleeved outside the two feeding ports; a positioning plate, arranged inside the ball milling drum, the outer edges on both sides of the positioning plate are inclined, a positioning groove is opened inside the positioning plate, and a matching dividing wheel is rotatably connected inside the positioning groove; a plurality of steel balls, respectively arranged on both sides inside the ball milling drum, and the sizes of the steel balls on both sides of the ball milling drum are different; in this utility model, through the positioning plate and the rotatable dividing wheel arranged inside the ball mill, cooperating with a plurality of transmission holes and blanking holes, the ball mill can not only classify and crush the electronic paste, but also crush it separately, crush it into different sizes, and make the applicability of the ball mill to the preparation of electronic paste better.

[0004] During the operation of the above ball mill, static electricity will be generated during the grinding operation between the steel balls and dolomite. In addition, when dolomite is ground into a powder state, a high-concentration dust environment will be formed inside the ball mill, and this situation has significant potential safety hazards, which need to be highly emphasized and corresponding preventive measures should be taken. Content of the Utility Model

[0005] The purpose of the utility model is to provide a device for solving the static electricity of mills to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a device for solving the static electricity of mills, including a screw conveyor and a second ball mill housing, a connecting device is installed at the right end of the second ball mill housing, a first ball mill housing is installed at the right end of the connecting device, a transmission device is installed at the right end of the first ball mill housing, and the screw conveyor is installed at the left end of the second ball mill housing.

[0007] The connecting device includes a copper-cast cover plate, a connecting housing, a connecting component, a copper-cast support frame, and a grounding wire. The grounding wire is fixedly connected to the lower end of the copper-cast support frame. The copper-cast cover plate is bolted to the bottom surface of the copper-cast support frame. The copper-cast cover plate is movably connected to the middle of the connecting housing. The connecting component is installed at the outer end of the connecting housing.

[0008] Preferably, the connecting component includes an arc-shaped copper-cast plate, a vertical insertion rod, a locking bolt, a copper-cast metal plate, a copper-cast rolling ball, and a hexagonal nut. The arc-shaped copper-cast plate is fixedly connected to the bottom surface of the vertical insertion rod. The copper-cast metal plate is movably connected to the top surface of the vertical insertion rod. The locking bolt is threadedly connected to the inner wall surface of the copper-cast metal plate. The copper-cast rolling ball is installed at the inner end of the copper-cast metal plate. The hexagonal nut is threadedly connected to the threaded end surface of the vertical insertion rod.

[0009] Preferably, the arc-shaped copper-cast plates are divided into two groups. The two groups of arc-shaped copper-cast plates are distributed left and right. The left group of arc-shaped copper-cast plates is installed on the inner wall surface of the second ball mill housing. The right group of arc-shaped copper-cast plates is installed on the inner wall surface of the first ball mill housing. The arc-shaped copper-cast plates can contact the steel balls inside the first ball mill housing and the screw conveyor, so as to adsorb and transport the static electricity existing on the steel balls.

[0010] Preferably, the second ball mill housing is installed at the left end of the connecting housing, and the first ball mill housing is installed at the right end of the connecting housing. The first ball mill housing, the second ball mill housing, and the connecting housing are connected to facilitate the collection operation of the dolomite powder inside the first ball mill housing and the second ball mill housing.

[0011] Preferably, the copper-cast rolling balls are divided into two groups. The two groups of copper-cast rolling balls are distributed left and right. The number of copper-cast rolling balls in one group is six. The six copper-cast rolling balls on the same side are equally spaced and surrounded. The copper-cast rolling balls are movably connected to the inner wall surface of the copper-cast cover plate, and the copper-cast rolling balls are in rolling connection with the copper-cast cover plate, which can transport the static electricity on the copper-cast metal plate.

[0012] Preferably, the arc-shaped copper-cast plate is movably connected to the outer surface of the connecting housing, and the connecting housing is movably connected to the upper inner wall surface of the copper-cast support frame. The copper-cast support frame and the connecting housing are connected, so as to determine the position of the connecting housing.

[0013] Preferably, a metal frame is installed on the bottom surface of the transmission device. The first ball mill housing is installed on the upper end of the metal frame, and the second ball mill housing is installed on the upper end of the metal frame. The metal frame can initially determine the positions of the first ball mill housing and the second ball mill housing, and can effectively maintain the stability between the first ball mill housing and the second ball mill housing.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. For this electrostatic device for mills, by providing a connection assembly, a copper-cast cover plate and a copper-cast support frame, the connection assembly can effectively conduct the static electricity generated by the steel balls inside the first ball mill housing and the second ball mill housing to the ground, ensuring that the inside of the first ball mill housing and the second ball mill housing remains in a static-free state, thereby significantly reducing the explosion risk caused by static electricity accumulation in this device.

[0016] 2. For this electrostatic device for mills, by providing hex nuts, copper-cast metal plates and locking bolts, the locking bolts can thread-fix between the copper-cast metal plate and the arc-shaped copper-cast plate, and can adjust the position of the arc-shaped copper-cast plate. Different specifications of arc-shaped copper-cast plates can be used according to the specifications of the first ball mill housing and the second ball mill housing, which can increase the service life of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall three-dimensional schematic diagram of the present utility model;

[0018] Figure 2 is the right-view schematic diagram of the present utility model;

[0019] Figure 3 is the present utility model Figure 2 the cross-sectional schematic diagram at A-A in;

[0020] Figure 4 is the present utility model Figure 3 the partial enlarged schematic diagram of the structure at A in.

[0021] In the figure: 1. Connection device; 11. Copper-cast cover plate; 12. Connection housing; 13. Connection assembly; 131. Arc-shaped copper-cast plate; 132. Vertical insertion rod; 133. Locking bolt; 134. Copper-cast metal plate; 135. Copper-cast rolling ball; 136. Hex nut; 14. Copper-cast support frame; 15. Ground wire; 2. Transmission device; 3. First ball mill housing; 4. Screw conveyor; 5. Second ball mill housing. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4 , the present utility model provides the following technical solutions:

[0024] An electrostatic device for solving the problem of mills, comprising a screw conveyor 4 and a second ball mill housing 5. A connecting device 1 is installed at the right end of the second ball mill housing 5. A first ball mill housing 3 is installed at the right end of the connecting device 1. A driving device 2 is installed at the right end of the first ball mill housing 3. The screw conveyor 4 is installed at the left end of the second ball mill housing 5. A metal frame is installed on the bottom surface of the driving device 2. The first ball mill housing 3 is installed at the upper end of the metal frame. The second ball mill housing 5 is installed at the upper end of the metal frame. The metal frame can initially determine the positions of the first ball mill housing 3 and the second ball mill housing 5, and can effectively maintain the stability between the first ball mill housing 3 and the second ball mill housing 5.

[0025] The connecting device 1 includes a copper-cast cover plate 11, a connecting housing 12, a connecting component 13, a copper-cast support frame 14 and a grounding wire 15. The grounding wire 15 is fixedly connected to the lower end of the copper-cast support frame 14. The copper-cast cover plate 11 is bolted to the bottom surface of the copper-cast cover plate 11. The copper-cast cover plate 11 is movably connected to the middle of the connecting housing 12. The second ball mill housing 5 is installed at the left end of the connecting housing 12. The first ball mill housing 3 is installed at the right end of the connecting housing 12. The first ball mill housing 3, the second ball mill housing 5 and the connecting housing 12 are connected, which is convenient for collecting the dolomite powder inside the first ball mill housing 3 and the second ball mill housing 5. The connecting component 13 is installed at the outer end of the connecting housing 12.

[0026] The connecting component 13 includes an arc-shaped copper casting plate 131, a vertical insertion rod 132, a locking bolt 133, a copper casting metal plate 134, a copper casting rolling ball 135 and a hexagonal nut 136. The arc-shaped copper casting plate 131 is fixedly connected to the bottom surface of the vertical insertion rod 132. The arc-shaped copper casting plate 131 is divided into two groups, and the two groups of arc-shaped copper casting plates 131 are distributed left and right. The left group of arc-shaped copper casting plates 131 is installed on the inner wall surface of the ball mill housing two 5, and the right group of arc-shaped copper casting plates 131 is installed on the inner wall surface of the ball mill housing one 3. The arc-shaped copper casting plate 131 can contact the steel balls inside the ball mill housing one 3 and the ball mill housing two 5, so as to adsorb and transport the static electricity existing on the steel balls. The arc-shaped copper casting plate 131 is movably connected to the outer surface of the connecting housing 12, and the connecting housing 12 is movably connected to the upper inner wall surface of the copper casting support frame 14. The copper casting support frame 14 and the connecting housing 12 are connected, so as to determine the position of the connecting housing 12. The copper casting metal plate 134 is movably connected to the top surface of the vertical insertion rod 132, the locking bolt 133 is threadedly connected to the inner wall surface of the copper casting metal plate 134, the copper casting rolling ball 135 is installed at the inner end of the copper casting metal plate 134. The copper casting rolling ball 135 is divided into two groups, and the two groups of copper casting rolling balls 135 are distributed left and right. The number of copper casting rolling balls 135 in one group is six, and the six copper casting rolling balls 135 on the same side are equally spaced around. The copper casting rolling ball 135 is movably connected to the inner wall surface of the copper casting cover plate 11, and the copper casting rolling ball 135 and the copper casting cover plate 11 are in rolling connection, which can transport the static electricity on the copper casting metal plate 134. The hexagonal nut 136 is threadedly connected to the threaded end surface of the vertical insertion rod 132.

[0027] When in use, push the arc-shaped copper casting plate 131 outward. The arc-shaped copper casting plate 131 can push the vertical insertion rod 132 to slide on the inner wall surfaces of the ball mill housing one 3 and the ball mill housing two 5, so that the arc-shaped copper casting plate 131 is located inside the ball mill housing one 3 and the ball mill housing two 5.

[0028] Rotate the hexagonal nut 136. The hexagonal nut 136 rotates on the threaded end surface of the vertical insertion rod 132, and the position of the arc-shaped copper casting plate 131 can be adjusted.

[0029] Push the ball mill housing one 3 and the ball mill housing two 5 downward. The ball mill housing one 3 and the ball mill housing two 5 are inserted into the upper end of the metal frame to initially determine the positions of the ball mill housing one 3 and the ball mill housing two 5.

[0030] When pushing the ball mill housing one 3 and the ball mill housing two 5 to move towards each other, the ball mill housing one 3 and the ball mill housing two 5 are inserted and fixed at the outer end of the connecting housing 12, and the ball mill housing one 3, the ball mill housing two 5 and the connecting housing 12 can be inserted and fixed to each other.

[0031] Next, push the copper-cast metal plate 134 downward. The top surface of the copper-cast metal plate 134 is connected to the top of the vertical insertion rod 132. Then, rotate the locking bolt 133. The locking bolt 133 can thread-fix between the vertical insertion rod 132 and the copper-cast metal plate 134, and the position of the copper-cast metal plate 134 can be determined.

[0032] Push the copper-cast cover plate 11 downward. The top surface of the copper-cast cover plate 11 is connected to the top of the copper-cast metal plate 134, so that the copper-cast cover plate 11 and the copper-cast metal plate 134 can be thread-fixed.

[0033] Rotate the hexagonal nut 136. The hexagonal nut 136 can make the arc-shaped copper-cast plate 131 movably connected to the inner wall surfaces of the ball mill housing one 3 and the ball mill housing two 5.

[0034] Start the screw conveyor 4. The screw conveyor 4 can input dolomite into the interiors of the ball mill housing one 3 / ball mill housing two 5 and the connecting housing 12. Then, start the transmission device 2. The transmission device 2 drives the ball mill housing one 3, the ball mill housing two 5 and the connecting housing 12 to rotate. The steel balls inside the ball mill housing one 3, the ball mill housing two 5 and the connecting housing 12 start to grind the dolomite.

[0035] At the same time, the arc-shaped copper-cast plate 131 can transport the static electricity generated by the grinding of the steel balls through the locking bolt 133 and the copper-cast rolling ball 135 to the grounding wire 15 at the lower end of the copper-cast support frame 14, so that no static electricity is generated inside the ball mill housing one 3, the ball mill housing two 5 and the connecting housing 12.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A static electricity solution device for a mill, comprising a screw conveyor (4) and a second ball mill shell (5), characterized in that: A connecting device (1) is installed at the right end of the ball mill housing two (5). A ball mill housing one (3) is installed at the right end of the connecting device (1). A driving device (2) is installed at the right end of the ball mill housing one (3). The screw conveyor (4) is installed at the left end of the ball mill housing two (5). The connecting device (1) includes a copper-cast cover plate (11), a connecting housing (12), a connecting component (13), a copper-cast support frame (14) and a grounding wire (15). The grounding wire (15) is fixedly connected to the lower end of the copper-cast support frame (14). The copper-cast cover plate (11) is bolted to the bottom surface of the copper-cast cover plate (11). The copper-cast cover plate (11) is movably connected to the middle of the connecting housing (12). The connecting component (13) is installed at the outer end of the connecting housing (12).

2. A static electricity device for solving the problem of a mill according to claim 1, characterized in that: The connecting component (13) includes an arc-shaped copper-cast plate (131), a vertical insertion rod (132), a locking bolt (133), a copper-cast metal plate (134), a copper-cast rolling ball (135) and a hexagonal nut (136). The arc-shaped copper-cast plate (131) is fixedly connected to the bottom surface of the vertical insertion rod (132). The copper-cast metal plate (134) is movably connected to the top surface of the vertical insertion rod (132). The locking bolt (133) is threadedly connected to the inner wall surface of the copper-cast metal plate (134). The copper-cast rolling ball (135) is installed at the inner end of the copper-cast metal plate (134). The hexagonal nut (136) is threadedly connected to the threaded end surface of the vertical insertion rod (132).

3. A static electricity device for solving the problem of a mill according to claim 2, characterized in that: The arc-shaped copper-cast plates (131) are divided into two groups, and the two groups of arc-shaped copper-cast plates (131) are distributed left and right.

4. A static electricity device for solving the problem of a mill according to claim 3, characterized in that: The ball mill housing two (5) is installed at the left end of the connecting housing (12), and the ball mill housing one (3) is installed at the right end of the connecting housing (12).

5. The static electricity eliminating device for a mill according to claim 4, characterized in that: The copper-cast rolling balls (135) are divided into two groups, and the two groups of copper-cast rolling balls (135) are distributed left and right. The number of copper-cast rolling balls (135) in one group is six. The six copper-cast rolling balls (135) on the same side are evenly spaced in a circle. The copper-cast rolling balls (135) are movably connected to the inner wall surface of the copper-cast cover plate (11).

6. The electrostatic device for solving the problem of the mill according to claim 5, wherein: The arc-shaped copper-cast plate (131) is movably connected to the outer surface of the connecting housing (12), and the connecting housing (12) is movably connected to the upper inner wall surface of the copper-cast support frame (14).

7. A static electricity eliminating device for a mill according to claim 6, characterized in that: A metal frame is installed on the bottom surface of the driving device (2). The ball mill housing one (3) is installed on the upper end of the metal frame, and the ball mill housing two (5) is installed on the upper end of the metal frame.

Citation Information

Patent Citations

  • Ball mill

    CN220861621U