Lubricating and cooling device of dry ball mill
By designing a lubrication cooling device in a dry ball mill, using the cooperation of the cylinder and the spray head, comprehensive lubrication cooling of the bearing is achieved, the problem of incomplete lubrication is solved, friction and temperature are reduced, the operation stability of the device is improved, and the lubrication cost is saved.
Patent Information
- Application Number
- CN202421923496.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-09
AI Technical Summary
When the existing dry ball mill adds lubricating oil to the bearing, the lubrication and cooling effect is poor, and the bearing cannot be continuously and comprehensively lubricated, resulting in excessive friction and excessive temperature, which affects the operation of the device.
A lubricating cooling device is designed, which drives the connecting plate and the pressure plate downward through the cylinder, and slides the piston in the oil drum, squeezes the lubricating oil into the connecting pipe and sprays it onto the bearing through the spray head. The rotation of the bearing is used to achieve comprehensive lubricating cooling, and collects dripping lubricating oil to save resources.
The comprehensive lubrication and cooling of the bearing is achieved, friction is reduced, the temperature is prevented, the operation stability of the device is improved, and the lubrication cost is saved.
Smart Images

Figure CN223184640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lubrication and cooling of dry-type ball mills, in particular to a lubrication and cooling device for dry-type ball mills. Background Art
[0002] The dry ball mill is a device that grinds materials in a dry manner. It is a key device for crushing materials after they are broken.
[0003] When the ball mill is in operation, the bearings inside the ball mill generate a lot of heat due to friction during the rotation process. Lubricating oil is usually added to lubricate and cool the bearings. However, the existing method of adding lubricating oil to the bearings cannot continuously and comprehensively lubricate the bearings, resulting in poor lubrication and cooling effects. Utility Model Content
[0004] The purpose of the utility model is to provide a lubricating and cooling device for a dry ball mill to solve the problem proposed in the above background technology that adding lubricating oil into the bearing cannot continuously and comprehensively lubricate the bearing, resulting in poor lubrication and cooling effect.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a lubricating and cooling device for a dry ball mill, comprising a base plate, a support plate fixedly connected to the upper surface of the base plate, a support ring fixedly connected to the upper surface of the support plate, a main shaft rotatably connected to the inner side of the support ring, a ring groove is provided on the inner side of the support ring, a bearing is movably connected to the outer surface of the ring groove, a sealing cover is connected to the outer surface of the bearing, an end plate is connected to the outer surface of the sealing cover by bolts, a cylinder is connected to the outer surface of the end plate by bolts, and the upper surface of another group of the end plates is connected to the upper surface of the other group of the end plates. The surface is fixedly connected with a large ring gear, the upper surface of the main shaft is fixedly connected with a connecting frame, the upper surface of the connecting frame is fixedly connected with a cylinder, the output shaft of the cylinder is connected with a connecting plate, the outer surface of the connecting plate is fixedly connected with a pressure plate, the lower surface of the pressure plate is fixedly connected with a connecting rod, the lower surface of the connecting rod is fixedly connected with a piston, the outer surface of the piston is slidably connected to an oil barrel, the lower surface of the oil barrel is fixedly connected with a connecting pipe, the outer surface of the oil barrel is slidably connected to a connecting barrel, and the outer surface of the connecting pipe passes through a support ring and is fixedly connected to a spray head.
[0006] Preferably, a recovery pipe is fixedly connected to the inner bottom surface of the annular groove, and a collection bucket is fixedly connected to the lower surface of the recovery pipe.
[0007] Preferably, the annular groove is an annular groove, and the connecting pipe passes through the support ring and is connected to the inner side of the annular groove. Its function is to open an annular groove on the inner side of the support ring, so as to facilitate the connection between the connecting pipe passing through the annular groove and the spray head, thereby facilitating the spray head to spray lubricating oil to the bearing.
[0008] Preferably, the connecting barrel is fixedly connected to the outer surface of the connecting frame, and the oil barrel is slidably connected to the inner side of the connecting barrel. A pipe corresponding to the connecting pipe is opened on the lower surface of the oil barrel, and its function is to connect the oil barrel to the inner side of the connecting barrel by sliding the piston downward, so that the piston squeezes the lubricating oil, so that the lubricating oil enters the spray head from the connecting pipe and is sprayed out through the spray head to lubricate the bearing.
[0009] Preferably, the main shaft, bearings and sealing covers as well as the end plates and cylinders are rotated to be connected to the inner sides of the two sets of support rings. Their function is to start the external driving mechanism to drive the large gear ring to rotate, thereby driving the bearings, sealing covers, end plates and cylinders to rotate on the inner sides of the two sets of main shafts, so that the lubricating oil can also lubricate the main shaft through the rotation of the bearings.
[0010] Preferably, the pressure plate is rod-shaped and is slidably connected to the inner side of the oil barrel. Its function is to start the cylinder so that the output shaft of the cylinder drives the connecting plate to move downward, thereby driving the pressure plate and the connecting rod to move downward synchronously, thereby driving the piston to slide downward on the inner side of the oil barrel, thereby squeezing the lubricating oil in the oil barrel into the connecting pipe, and then spraying it onto the bearing through the spray head.
[0011] Preferably, a pipe groove corresponding to the recovery pipe is opened at the inner bottom of the annular groove, and the recovery pipe is fixedly connected to the inner side of the pipe groove. Its function is to fully lubricate the bearing with the lubricating oil sprayed from the spray head, and then some of the lubricating oil will drip down and flow into the inner side of the recovery pipe, thereby collecting the dripping lubricating oil.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. By starting the cylinder, the output shaft of the cylinder drives the connecting plate to move downward, thereby driving the pressure plate and the connecting rod to move downward synchronously, thereby driving the piston to slide downward on the inside of the oil barrel, thereby squeezing the lubricating oil in the oil barrel down and into the connecting pipe, and then spraying it onto the bearing through the spray head, thereby lubricating the bearing. Through the rotation of the bearing, the bearing can be fully lubricated and cooled. At the same time, the rotation of the bearing makes the lubricating oil contact with the main shaft, lubricating the main shaft, thereby preventing excessive friction due to incomplete lubrication, resulting in excessive temperature of the bearing, thereby affecting the operation of the device.
[0014] 2. After the bearing is fully lubricated by the lubricating oil sprayed from the sprinkler head, some of the lubricating oil will drip down and flow into the inside of the recovery pipe, so that the dripping lubricating oil can be collected, thereby saving resources and reducing lubrication costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a frontal perspective schematic diagram of the structure of the present utility model;
[0016] Figure 2 This is a side perspective schematic diagram of the structure of the utility model;
[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the connection structure between the central spindle and the end plate;
[0018] Figure 4 For this utility model Figure 3 The structure at A in the middle is enlarged;
[0019] Figure 5 For this utility model Figure 3 A magnified schematic diagram of the structure at point B.
[0020] In the figure: 1. Base plate; 2. Support plate; 3. Support ring; 4. Main shaft; 5. Ring groove; 6. Bearing; 7. Sealing cover; 8. End plate; 9. Cylinder; 10. Large ring gear; 11. Connecting frame; 12. Cylinder; 13. Connecting plate; 14. Pressure plate; 15. Connecting rod; 16. Piston; 17. Oil drum; 18. Connecting pipe; 19. Connecting barrel; 20. Sprinkler head; 21. Recovery pipe; 22. Collection barrel. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figure 1-5 , an embodiment provided by the utility model:
[0023] A lubricating and cooling device for a dry ball mill comprises a base plate 1, the upper surface of the base plate 1 is fixedly connected to a support plate 2, the upper surface of the support plate 2 is fixedly connected to a support ring 3, the inner side of the support ring 3 is rotatably connected to a main shaft 4, the inner side of the support ring 3 is provided with an annular groove 5, the outer surface of the annular groove 5 is movably connected to a bearing 6, the outer surface of the bearing 6 is connected to a sealing cover 7, the outer surface of the sealing cover 7 is connected to an end plate 8 by bolts, the outer surface of the end plate 8 is connected to a cylinder 9 by bolts, the upper surface of another set of end plates 8 is fixedly connected to a large gear ring 10, the upper surface of the main shaft 4 is fixed It is connected to a connecting frame 11, the upper surface of the connecting frame 11 is fixedly connected to the cylinder 12, the output shaft of the cylinder 12 is connected to a connecting plate 13, the outer surface of the connecting plate 13 is fixedly connected to a pressure plate 14, the lower surface of the pressure plate 14 is fixedly connected to a connecting rod 15, the lower surface of the connecting rod 15 is fixedly connected to a piston 16, the outer surface of the piston 16 is slidably connected to an oil barrel 17, the lower surface of the oil barrel 17 is fixedly connected to a connecting pipe 18, the outer surface of the oil barrel 17 is slidably connected to a connecting barrel 19, and the outer surface of the connecting pipe 18 passes through the support ring 3 and is fixedly connected to a sprinkler head 20.
[0024] Furthermore, a recovery pipe 21 is fixedly connected to the inner bottom surface of the annular groove 5 , and a collection bucket 22 is fixedly connected to the lower surface of the recovery pipe 21 .
[0025] Furthermore, the annular groove 5 is an annular groove, and the connecting pipe 18 passes through the support ring 3 and is connected to the inner side of the annular groove 5. Its function is to open the annular groove 5 on the inner side of the support ring 3, so as to facilitate the connection between the connecting pipe 18 passing through the annular groove 5 and the spray head 20 for fixed connection, thereby facilitating the spray head 20 to spray lubricating oil to the bearing 6.
[0026] Furthermore, the connecting barrel 19 is fixedly connected to the outer surface of the connecting frame 11, and the oil barrel 17 is slidably connected to the inner side of the connecting barrel 19. A pipe corresponding to the connecting pipe 18 is opened on the lower surface of the oil barrel 17. Its function is to slide the oil barrel 17 to the inner side of the connecting barrel 19, so that the piston 16 can be slid downward to squeeze the lubricating oil, so that the lubricating oil enters the spray head 20 from the connecting pipe 18 and is sprayed out through the spray head 20 to lubricate the bearing 6.
[0027] Furthermore, the main shaft 4, the bearing 6 and the sealing cover 7 as well as the end plate 8 and the cylinder 9 are all rotated to the inner side connected to the two sets of support rings 3. Their function is to start the external driving mechanism to drive the large gear ring 10 to rotate, thereby driving the bearing 6, the sealing cover 7, the end plate 8 and the cylinder 9 to rotate on the inner side of the two sets of main shafts 4, so that the lubricating oil can also lubricate the main shaft 4 through the rotation of the bearing 6.
[0028] Furthermore, the pressure plate 14 is rod-shaped and is slidably connected to the inner side of the oil barrel 17. Its function is to start the cylinder 12 so that the output shaft of the cylinder 12 drives the connecting plate 13 to move downward, thereby driving the pressure plate 14 and the connecting rod 15 to move downward synchronously, thereby driving the piston 16 to slide downward on the inner side of the oil barrel 17, thereby squeezing the lubricating oil in the oil barrel 17 into the connecting pipe 18, and then spraying it onto the bearing 6 through the spray head 20.
[0029] Furthermore, a pipe groove corresponding to the recovery pipe 21 is opened at the inner bottom of the annular groove 5. The recovery pipe 21 is fixedly connected to the inner side of the pipe groove. Its function is to fully lubricate the bearing 6 with the lubricating oil sprayed from the spray head 20, and then some of the lubricating oil will drip down and flow into the inner side of the recovery pipe 21, so that the dripping lubricating oil can be collected.
[0030] Working principle: The upper surface of the base plate 1 is fixedly connected with a support plate 2, the upper surface of the support plate 2 is fixedly connected with a support ring 3, the inner side of the support ring 3 is rotatably connected with the main shaft 4, the inner side of the support ring 3 is provided with a ring groove 5, the outer surface of the ring groove 5 is movably connected with a bearing 6, the outer surface of the bearing 6 is connected with a sealing cover 7, the outer surface of the sealing cover 7 is connected with an end plate 8 by bolts, the outer surface of the end plate 8 is connected with a cylinder 9 by bolts, the upper surface of another group of end plates 8 is fixedly connected with a large gear ring 10, the upper surface of the main shaft 4 is fixedly connected with a connecting frame 11, the upper surface of the connecting frame 11 is fixedly connected with a cylinder 12, the output shaft of the cylinder 12 is connected with a connecting plate 13, the outer surface of the connecting plate 13 is fixedly connected with a pressure plate 14, the lower surface of the pressure plate 14 is fixedly connected with a connecting rod 15, the lower surface of the connecting rod 15 is fixedly connected with a piston 16, the outer surface of the piston 16 is slidably connected with an oil barrel 17, the oil The lower surface of the barrel 17 is fixedly connected to the connecting pipe 18, and the outer surface of the oil barrel 17 is slidably connected to the connecting barrel 19. The outer surface of the connecting pipe 18 passes through the support ring 3 and is fixedly connected to the spray head 20. By starting the cylinder 12, the output shaft of the cylinder 12 drives the connecting plate 13 to move downward, thereby driving the pressure plate 14 and the connecting rod 15 to move downward synchronously, thereby driving the piston 16 to slide downward on the inside of the oil barrel 17, thereby squeezing the lubricating oil in the oil barrel 17 down and into the connecting pipe 18, and then spraying it onto the bearing 6 through the spray head 20, thereby lubricating the bearing 6. Through the rotation of the bearing 6, the bearing 6 can be fully lubricated and cooled. At the same time, with the rotation of the bearing 6, the lubricating oil contacts the main shaft 4 and lubricates the main shaft 4, thereby preventing excessive friction due to incomplete lubrication, resulting in excessive temperature of the bearing 6, thereby affecting the operation of the device.
[0031] A recovery pipe 21 is fixedly connected to the inner bottom surface of the annular groove 5, and a collection bucket 22 is fixedly connected to the lower surface of the recovery pipe 21. After the lubricating oil sprayed by the spray head 20 fully lubricates the bearing 6, some of the lubricating oil will drip down and flow into the inner side of the recovery pipe 21, so that the dripping lubricating oil can be collected, thereby saving resources and reducing lubrication costs.
[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A lubricating and cooling device for a dry ball mill, comprising a bottom plate (1), characterized in that: The upper surface of the base plate (1) is fixedly connected to a support plate (2), the upper surface of the support plate (2) is fixedly connected to a support ring (3), the inner side of the support ring (3) is rotatably connected to a main shaft (4), the inner side of the support ring (3) is provided with an annular groove (5), the outer surface of the annular groove (5) is movably connected to a bearing (6), the outer surface of the bearing (6) is connected to a sealing cover (7), the outer surface of the sealing cover (7) is connected to an end plate (8) by bolts, the outer surface of the end plate (8) is connected to a cylinder (9) by bolts, the upper surface of another group of the end plates (8) is fixedly connected to a large gear ring (10), and the upper surface of the main shaft (4) is fixedly connected to a connecting frame (11) The upper surface of the connecting frame (11) is fixedly connected to a cylinder (12), the output shaft of the cylinder (12) is connected to a connecting plate (13), the outer surface of the connecting plate (13) is fixedly connected to a pressure plate (14), the lower surface of the pressure plate (14) is fixedly connected to a connecting rod (15), the lower surface of the connecting rod (15) is fixedly connected to a piston (16), the outer surface of the piston (16) is slidably connected to an oil barrel (17), the lower surface of the oil barrel (17) is fixedly connected to a connecting pipe (18), the outer surface of the oil barrel (17) is slidably connected to a connecting barrel (19), and the outer surface of the connecting pipe (18) passes through the support ring (3) and is fixedly connected to a spray head (20).
2. The lubricating and cooling device for a dry ball mill according to claim 1, characterized in that: The inner bottom surface of the annular groove (5) is fixedly connected to a recovery pipe (21), and the lower surface of the recovery pipe (21) is fixedly connected to a collection bucket (22).
3. The lubricating and cooling device for a dry ball mill according to claim 1, characterized in that: The annular groove (5) is an annular groove, and the connecting pipe (18) passes through the supporting ring (3) and is connected to the inner side of the annular groove (5).
4. The lubricating and cooling device for a dry ball mill according to claim 3, characterized in that: The connecting barrel (19) is fixedly connected to the outer surface of the connecting frame (11), the oil barrel (17) is slidably connected to the inner side of the connecting barrel (19), and a pipe corresponding to the connecting pipe (18) is opened on the lower surface of the oil barrel (17).
5. The lubricating and cooling device for a dry ball mill according to claim 4, characterized in that: The main shaft (4), bearing (6), sealing cover (7), end plate (8) and cylinder (9) are all rotated and connected to the inner side of the two sets of support rings (3).
6. The lubricating and cooling device for a dry ball mill according to claim 5, characterized in that: The pressing plate (14) is in a rod-like shape and is slidably connected to the inner side of the oil barrel (17).
7. The lubricating and cooling device for a dry ball mill according to claim 1, characterized in that: A pipe groove corresponding to the recovery pipe (21) is provided at the inner bottom of the annular groove (5), and the recovery pipe (21) is fixedly connected to the inner side of the pipe groove.