Speed-adjustable driving mechanism of permanent magnet ball mill

Abstract

The utility model discloses a speed-adjustable driving mechanism of a permanent magnet ball mill, which relates to the technical field of ball mills and comprises a charging barrel, a driving component, a support component and a large gear ring, the large gear ring is fixedly mounted at one end of the charging barrel, and the driving component comprises a driving motor and a driving belt pulley. And the driving belt pulley is fixedly mounted at one end of the driving motor. Under the combined action of the driving belt pulley and the driven belt pulley, due to the sliding blocks and the sliding grooves in the driving belt pulley and the driven belt pulley, when the rotating speed of the ball mill needs to be adjusted, the fastening bolts are screwed off, the sliding blocks slide along the sliding grooves, and after the sliding blocks reach the needed positions, the fastening bolts are screwed down; the transmission ratio between the driving belt pulley and the driven belt pulley is changed by changing the diameter of the driving belt pulley and the driven belt pulley in contact with the transmission belt, so that the speed of the ball mill driving mechanism is adjustable.

Description

Technical Field

[0001] This utility model relates to the field of ball mill technology, specifically to an adjustable speed drive mechanism for a permanent magnet ball mill. Background Technology

[0002] Ball mills are key pieces of equipment for further pulverizing materials after they have been crushed. This type of grinding mill uses a certain number of steel balls as grinding media inside its cylinder. It is widely used in industries such as cement, silicate products, new building materials, refractory materials, fertilizers, ferrous and non-ferrous metal ore beneficiation, and glass and ceramics production for dry or wet grinding of various ores and other grindable materials. Ball mills are suitable for grinding various ores and other materials and are widely used in mineral processing, building materials, and chemical industries.

[0003] The existing ball mill's transmission mechanism drives the cylinder to rotate, causing the crushing media inside the cylinder and the material entering the cylinder to rise to a certain height under the action of centrifugal force, friction, and the liner, and then fall freely off the cylinder wall for grinding. Therefore, the rotation speed is relatively fast. On the one hand, during the installation, maintenance, and repair of the ore mill, the disc mill needs to rotate slowly for easy installation and repair of the liner. On the other hand, during long-term operation, the cylinder will also deform, so the disc mill also needs to rotate slowly. However, the existing ball mill's transmission mechanism is not convenient for adjusting the rotation speed of the cylinder.

[0004] To address this problem, this application provides an adjustable speed drive mechanism for a permanent magnet ball mill. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable speed drive mechanism for permanent magnet ball mills, in order to solve the problem mentioned in the background art that when the speed of the grinding cylinder of a ball mill needs to be adjusted, the transmission mechanism of the ball mill is inconvenient to adjust the speed of the grinding cylinder, resulting in poor performance.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] The adjustable speed drive mechanism for a permanent magnet ball mill includes a feed cylinder, a drive assembly, a support assembly, and a large gear ring. The large gear ring is fixedly installed at one end of the feed cylinder. The drive assembly includes a drive motor, a drive pulley, and a driven pulley. The drive pulley is fixedly installed at one end of the drive motor and is connected to the drive motor via a coupling. The support assembly includes a support frame and a pad, with the pad fixedly installed on the top of the support frame.

[0008] A further improvement of this utility model is that: a transmission belt is movably connected to the outside of the driving pulley; the driving pulley and the driven pulley are connected through the transmission belt; a rotating shaft is fixedly installed on one side of the driven pulley; a driven gear is meshed on one side of the large gear ring; and a motor base is fixedly installed at the bottom of the drive motor.

[0009] A further improvement of this utility model is that: a connecting pulley is fixedly installed at the other end of the rotating shaft, a bearing base is fixedly installed on the top of the support frame, and one end of the rotating shaft passes through the interior of the bearing base.

[0010] A further improvement of this utility model is that a fixing bolt is threaded on the bottom of the bearing base, and a feed port is penetrating the interior of the bearing base.

[0011] A further improvement of this utility model is that: a sliding groove is provided inside the drive pulley, a fastening bolt passes through the sliding groove, and a washer is provided outside the fastening bolt.

[0012] A further improvement of this utility model is that a supporting bearing is fixedly installed inside the bearing base, and the other end of the connecting pulley is movably connected to the driven gear.

[0013] A further improvement of this utility model is that: a sliding block is slidably connected inside the active belt pulley, and a fixing hole is provided inside the sliding block.

[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0015] 1. This utility model provides an adjustable speed drive mechanism for a permanent magnet ball mill. Through the combined action of the driving pulley and the driven pulley, and due to the sliding block and sliding groove inside both pulleys, the speed of the ball mill can be adjusted by loosening the fastening bolts, allowing the sliding block to slide along the sliding groove. After moving the sliding block to the desired position, it is fixed by tightening the bolts. By changing the diameter of the contact belt portion between the driving pulley and the driven pulley, the transmission ratio between them is changed, thereby achieving adjustable speed of the ball mill drive mechanism. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the adjustable speed drive mechanism for the permanent magnet ball mill of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the drive component of this utility model;

[0018] Figure 3 This is a schematic diagram of the speed-changing mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the speed-changing mechanism of this utility model.

[0020] In the diagram: 1. Material cylinder; 2. Drive assembly; 3. Support assembly; 4. Large gear ring; 5. Support frame; 6. Spacer block; 20. Drive motor; 21. Drive pulley; 22. Transmission belt; 23. Rotating shaft; 24. Driven gear; 25. Driven pulley; 26. Feed inlet; 27. Bearing base; 28. Fixing bolt; 29. ​​Connecting pulley; 200. Coupling; 210. Sliding groove; 211. Fastening bolt; 212. Shim; 213. Support bearing; 214. Sliding block; 215. Fixing hole; 217. Motor base. Detailed Implementation

[0021] The present invention will be further described in detail below with reference to embodiments:

[0022] like Figure 1-4 As shown, this utility model provides an adjustable speed drive mechanism for a permanent magnet ball mill, including a material cylinder 1, a drive assembly 2, a support assembly 3, and a large gear ring 4. The large gear ring 4 is fixedly installed at one end of the material cylinder 1. The material cylinder 1 is responsible for loading materials and abrasives. The large gear ring 4 drives the material cylinder 1 to rotate. The drive assembly 2 includes a drive motor 20, a drive pulley 21, and a driven pulley 25. The drive pulley 21 is fixedly installed at one end of the drive motor 20 and can transmit the rotation of the drive motor 20. The drive pulley 21 and the drive motor 20 are connected by a coupling 200. The support assembly 3 includes a support frame 5 and a pad 6. The pad 6 is fixedly installed on the top of the support frame 5. The support frame 5 can provide support and fixation to ensure the stable operation of the device. The pad 6 can adjust the height of some equipment on the device.

[0023] A drive belt 22 is externally connected to the drive pulley 21. The drive pulley 21 and the driven pulley 25 are connected via the drive belt 22. The driven pulley 25 and the drive belt 22 can adjust the speed transmitted by the drive motor 20. A rotating shaft 23 is fixedly mounted on one side of the driven pulley 25, and a driven gear 24 is meshed on one side of the large gear ring 4. The rotational motion of the drive motor 20 is transmitted through the drive pulley 21, the driven pulley 25, and the drive belt 22, and the rotational motion is transmitted to the driven pulley 25. On the driven gear 24, the large gear ring 4 and the material cylinder 1 are rotated by the driven gear 24. The bottom of the drive motor 20 is fixedly installed with a motor base 217, which can fix the drive motor 20 on the support frame 5 and ensure the stable operation of the drive motor 20. The other end of the rotating shaft 23 is fixedly installed with a connecting pulley 29. The top of the support frame 5 is fixedly installed with a bearing base 27, which can fix the shaft. One end of the rotating shaft 23 passes through the inside of the bearing base 27.

[0024] A fixing bolt 28 is threaded onto the bottom of the bearing base 27. A feed inlet 26 passes through the interior of the bearing base 27. A sliding groove 210 is formed inside the drive pulley 21, and a fastening bolt 211 passes through the sliding groove 210. The fastening bolt 211 secures the sliding block 214, preventing it from moving during operation. Because of the sliding block 214 and sliding groove 210 inside the drive pulley 21 and driven pulley 25, when adjusting the ball mill speed, the fastening bolt 211 can be loosened to allow the sliding block 214 to slide along the sliding groove 210. After 214 is moved to the required position, it is fixed by fastening bolt 211. The transmission ratio between the drive pulley 21 and the driven pulley 25 is changed by changing the diameter of the part of the drive belt 22 that contacts the drive pulley 21 and the driven pulley 25, so as to realize the speed adjustment of the ball mill drive mechanism. A washer 212 is provided on the outside of the fastening bolt 211. A support bearing 213 is fixedly installed inside the bearing base 27. The other end of the connecting pulley 29 is movably connected to the driven gear 24. A sliding block 214 is slidably connected inside the drive pulley 21. A fixing hole 215 is opened inside the sliding block 214.

[0025] The working principle of the adjustable speed drive mechanism of this permanent magnet ball mill will be explained in detail below.

[0026] like Figure 1-4As shown, when using this device, the material and abrasive are first introduced into the inside of the feed cylinder 1 through the feed inlet 26, and then the drive motor 20 is started. When it is necessary to adjust the rotation speed of the feed cylinder 1, the sliding block 214 is slid along the sliding groove 210 by loosening the fastening bolt 211. After the sliding block 214 is moved to the required position, it is fixed by the fastening bolt 211. The transmission ratio between the drive pulley 21 and the driven pulley 25 is changed by changing the diameter of the part of the drive belt 22 that contacts the drive pulley 21 and the driven pulley 25, thereby realizing the speed adjustment of the ball mill drive mechanism.

[0027] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A speed-adjustable drive mechanism for a permanent magnet ball mill, comprising a feed cylinder (1), a drive assembly (2), a support assembly (3), and a large gear ring (4), characterized in that: A large gear ring (4) is fixedly installed at one end of the material cylinder (1). The drive assembly (2) includes a drive motor (20), a drive pulley (21), and a driven pulley (25). The drive pulley (21) is fixedly installed at one end of the drive motor (20). The drive pulley (21) is connected to the drive motor (20) through a coupling (200). The support assembly (3) includes a support frame (5) and a pad (6). The pad (6) is fixedly installed on the top of the support frame (5).

2. The adjustable speed drive mechanism for a permanent magnet ball mill according to claim 1, characterized in that: The drive pulley (21) is externally connected to a transmission belt (22). The drive pulley (21) and the driven pulley (25) are connected through the transmission belt (22). A rotating shaft (23) is fixedly installed on one side of the driven pulley (25). A driven gear (24) is meshed on one side of the large gear ring (4). A motor base (217) is fixedly installed at the bottom of the drive motor (20).

3. The adjustable speed drive mechanism for a permanent magnet ball mill according to claim 2, characterized in that: A connecting pulley (29) is fixedly installed at the other end of the rotating shaft (23), and a bearing base (27) is fixedly installed on the top of the support frame (5). One end of the rotating shaft (23) passes through the interior of the bearing base (27).

4. The adjustable speed drive mechanism for a permanent magnet ball mill according to claim 3, characterized in that: The bearing base (27) has a fixing bolt (28) threaded on its bottom, and a feed inlet (26) runs through the interior of the bearing base (27).

5. The adjustable speed drive mechanism for a permanent magnet ball mill according to claim 2, characterized in that: The drive pulley (21) has a sliding groove (210) inside, a fastening bolt (211) passes through the sliding groove (210), and a washer (212) is provided on the outside of the fastening bolt (211).

6. The adjustable speed drive mechanism for a permanent magnet ball mill according to claim 3, characterized in that: The bearing base (27) has a support bearing (213) fixedly installed inside, and the other end of the connecting pulley (29) is movably connected to the driven gear (24).

7. The adjustable speed drive mechanism for a permanent magnet ball mill according to claim 2, characterized in that: The drive pulley (21) is internally slidably connected to a sliding block (214), and the sliding block (214) has a fixing hole (215) inside.

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