Split grinding cylinder

Abstract

The utility model discloses a split grinding cylinder, comprising an inner cylinder and an outer cylinder, wherein the inner cylinder is sleeved in the outer cylinder and is sealed and fastened by a sealing member, the inner cylinder comprises an inner bottom, an inner cylinder body and an inner cylinder top flange, the inner bottom is provided with an inner bottom flange, the outer cylinder comprises an outer bottom, an outer cylinder body and an outer cylinder top flange, the outer bottom is provided with an outer bottom flange, the sealing member comprises screws and a sealing ring, the inner cylinder top flange and the outer cylinder top flange are sealed and connected by screws and a sealing ring, the inner bottom flange and the outer bottom flange are sealed and connected by screws and a sealing ring, the inner cylinder and the outer cylinder are arranged as a split structure, the inner cylinder and the outer cylinder top and bottom are sealed and fixed by flanges, screws and sealing rings respectively, if the inner cylinder is worn out during use or the inner cylinder structure is replaced, a new inner cylinder can be directly replaced, replacement is convenient, and maintenance cost is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding cylinders of ball mills, and in particular relates to a split type grinding cylinder. Background Art

[0002] The inner and outer cylinders of conventional grinding cylinders are integrated. During production and use, the inner cylinder of the grinding cylinder may be severely worn and need to be replaced and repaired, and the inner cylinder may need to be replaced when grinding materials of different materials. According to the conventional structure, the entire cylinder needs to be replaced, which is relatively expensive. If only the inner cylinder is replaced after separation, the cost can be relatively reduced and the after-sales waiting time is also relatively shorter. Utility Model Content

[0003] In order to overcome the above technical problems existing in the prior art, the purpose of the utility model is to provide a split grinding cylinder, which reduces the use cost and is convenient for replacement and maintenance.

[0004] The utility model provides a split grinding cylinder, comprising an inner cylinder and an outer cylinder, wherein the inner cylinder is sleeved in the outer cylinder and is sealed and fastened by a sealing member, the inner cylinder comprises an inner bottom, an inner cylinder body and an inner cylinder top flange, the inner bottom is provided with an inner bottom flange, the outer cylinder comprises an outer bottom, an outer cylinder body and an outer cylinder top flange, the outer bottom is provided with an outer bottom flange, the sealing member comprises screws and a sealing ring, the inner cylinder top flange and the outer cylinder top flange are sealed and connected by screws and a sealing ring, and the inner bottom flange and the outer bottom flange are sealed and connected by screws and a sealing ring.

[0005] The outer side wall of the inner cylinder body is provided with a plurality of flow guide rings.

[0006] The inner tube top flange is arranged at the outer edge of the top of the inner tube body and protrudes upwards, and the inner bottom flange is arranged at the center of the inner bottom and protrudes downwards.

[0007] The outer cylinder top flange is arranged at the outer edge of the top of the outer cylinder body and protrudes downwards, and the outer bottom flange is arranged at the center of the outer bottom and protrudes downwards.

[0008] The screws include hexagon socket cylindrical head screws and hexagon socket countersunk head screws, and the sealing ring is an O-ring.

[0009] A water outlet is provided at the upper outer portion of the outer cylinder body, and a water inlet is provided at the lower outer portion of the outer cylinder body.

[0010] The middle part of the outer side of the outer cylinder body is symmetrically provided with a trunnion and a waistline.

[0011] The utility model provides a split grinding cylinder, which has the beneficial effect that the inner cylinder and the outer cylinder are arranged as a split structure, the top and the bottom of the inner cylinder and the outer cylinder are sealed and fixed respectively by flanges, screws and sealing rings, and if the inner cylinder is worn out during use or the inner cylinder structure is replaced, a new inner cylinder can be directly replaced, which is convenient to replace and has low maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0013] Figure 2 yes Figure 1 A magnified view of part A;

[0014] Note in the figure:

[0015] 1. Inner tube top flange; 2. Outer tube top flange; 3. Inner bottom flange; 4. Outer bottom flange; 5. Inner bottom; 6. Inner tube body; 7. Outer tube body; 8. Water outlet; 9. Water inlet; 10. Outer bottom; 11. Ear shaft; 12. Waist circumference; 13. Guide ring; 14. O-ring II; 15. O-ring I; 16. Hexagon socket countersunk screw; 17. Hexagonal cylindrical head screw. DETAILED DESCRIPTION

[0016] The following is a detailed description of a split grinding cylinder provided by the utility model in combination with an embodiment with reference to the accompanying drawings.

[0017] Example

[0018] Reference Figure 1-Figure 2 A split grinding cylinder of this embodiment includes an inner cylinder and an outer cylinder, the inner cylinder is sleeved in the outer cylinder and sealed and fastened by a sealing member, the inner cylinder includes an inner bottom 5, an inner cylinder body 6 and an inner cylinder top flange 1, the inner bottom 5 is provided with an inner bottom flange 3, the outer cylinder includes an outer bottom 10, an outer cylinder body 7 and an outer cylinder top flange 2, the outer bottom 10 is provided with an outer bottom flange 4, the sealing member includes screws and sealing rings, the inner cylinder top flange 1 and the outer cylinder top flange 2 are sealed and connected by screws and sealing rings, and the inner bottom flange 3 and the outer bottom flange 4 are sealed and connected by screws and sealing rings.

[0019] The outer side wall of the inner cylinder body 6 is provided with a plurality of flow guide rings 13 .

[0020] The inner cylinder top flange 1 is arranged at the outer edge of the top of the inner cylinder body 6 and protrudes upwards, and the inner bottom flange 3 is arranged at the center of the inner bottom 5 and protrudes downwards.

[0021] The outer cylinder top flange 2 is arranged at the outer edge of the top of the outer cylinder body 7 and protrudes downwards, and the outer bottom flange 4 is arranged at the center of the outer bottom and protrudes downwards.

[0022] The screws include a hexagon socket cylindrical head screw 17 and a hexagon socket countersunk head screw 16, and the sealing ring is an O-ring.

[0023] A water outlet 8 is provided at the upper outer portion of the outer cylinder body 7 , and a water inlet 9 is provided at the lower outer portion of the outer cylinder body 7 .

[0024] The outer middle part of the outer tube body 7 is symmetrically provided with an ear axis 11 and a waist circumference 12.

[0025] The inner tube top flange 1 and the outer tube top flange 2 are sealed and connected by hexagon socket cylindrical head screws 17 and O-rings I15, and the inner bottom flange 3 and the outer bottom flange 4 are sealed and connected by hexagon socket countersunk head screws 16 and O-rings II14.

[0026] The inner and outer cylinders of the grinding cylinder and ball mill barrel of the old structure are welded structures that cannot be separated. The inner and outer cylinders of the split grinding cylinder of this embodiment are separated. If the inner cylinder is worn out during use or the inner cylinder structure is replaced, it can be directly replaced with a new one, which is convenient for replacement and maintenance.

Claims

1. A split grinding cylinder, characterized in that: It includes an inner tube and an outer tube, the inner tube is sleeved in the outer tube and sealed and fastened by a seal, the inner tube includes an inner bottom, an inner tube body and an inner tube top flange, the inner bottom is provided with an inner bottom flange, the outer tube includes an outer bottom, an outer tube body and an outer tube top flange, the outer bottom is provided with an outer bottom flange, the seal includes screws and a sealing ring, the inner tube top flange and the outer tube top flange are sealed and connected by screws and a sealing ring, and the inner bottom flange and the outer bottom flange are sealed and connected by screws and a sealing ring.

2. A split grinding cylinder according to claim 1, characterized in that: The outer side wall of the inner cylinder body is provided with a plurality of flow guide rings.

3. The split grinding cylinder according to claim 1, characterized in that: The inner tube top flange is arranged at the outer edge of the top of the inner tube body and protrudes upwards, and the inner bottom flange is arranged at the center of the inner bottom and protrudes downwards.

4. The split grinding cylinder according to claim 1, characterized in that: The outer cylinder top flange is arranged at the outer edge of the top of the outer cylinder body and protrudes downwards, and the outer bottom flange is arranged at the center of the outer bottom and protrudes downwards.

5. The split grinding cylinder according to claim 1, characterized in that: The screws include hexagon socket cylindrical head screws and hexagon socket countersunk head screws, and the sealing ring is an O-ring.

6. The split grinding cylinder according to claim 1, characterized in that: A water outlet is provided at the upper outer portion of the outer cylinder body, and a water inlet is provided at the lower outer portion of the outer cylinder body.

7. The split grinding cylinder according to claim 1, characterized in that: The middle part of the outer side of the outer cylinder body is symmetrically provided with a trunnion and a waistline.

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