Ball mill grinding ball for silicon nitride ceramic production

Abstract

The utility model discloses a ball mill grinding ball for silicon nitride ceramic production, which comprises a mounting workbench, the upper surface of the mounting workbench is symmetrically and fixedly connected with fixed supports, a grinding machine charging barrel is rotatably connected between the fixed supports, one end of the grinding machine charging barrel is fixedly connected with a feeding barrel, and the other end of the grinding machine charging barrel is fixedly connected with a discharging barrel. The other end of the grinding machine charging barrel is fixedly connected with a discharging pipeline; a plurality of discharging holes are uniformly formed in the discharging pipeline; a plurality of mounting seats are fixedly mounted in the discharging pipeline, a plurality of positioning blocks are respectively arranged in the plurality of mounting seats, and the plurality of positioning blocks are fixedly connected with the mounting seats; according to the utility model, the hole diameter of the discharge hole is controlled by expanding or shrinking the hole formed between the mounting fixed block and the movable sliding block, so that particles can be smoothly discharged after being ground, meanwhile, proper grinding balls are reserved, a worker does not need to independently screen powder and the grinding balls, the operation time is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, in particular to a grinding ball for a ball mill used in the production of silicon nitride ceramics. Background Art

[0002] Silicon nitride ceramics are an advanced ceramic material with silicon nitride as its main component. They have excellent mechanical properties and high-temperature resistance and are widely used in many fields. The ball mill is a key equipment for crushing materials after they are crushed. This type of grinding mill is a mill that is equipped with a certain number of steel balls as grinding media. It is widely used in the production of cement, silicate products, new building materials, refractories, fertilizers, ferrous and non-ferrous metal beneficiation, glass and ceramics, etc., for dry or wet grinding of various ores and other grindable materials. The ball mill can effectively refine silicon nitride powder to a smaller particle size through the impact and friction of the grinding balls. After grinding, the grinding balls are generally poured out with the powder. After the grinding balls are poured out with the powder, the staff needs to take an additional step to separate the grinding balls, which not only increases the complexity and cost of subsequent processing, but also reduces overall production efficiency.

[0003] Therefore, it is urgent to provide a kind of silicon nitride ceramic production ball mill grinding ball to solve the above-mentioned problems. Utility Model Content

[0004] The technical problem to be solved by the present invention is that after the grinding balls are poured out together with the powder, the staff need to take additional steps to separate the grinding balls, which not only increases the complexity and cost of subsequent processing, but also reduces the overall production efficiency.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a ball mill grinding ball for silicon nitride ceramic production, including an installation workbench, the upper surface of the installation workbench is symmetrically fixedly connected with a fixed bracket, the grinding machine barrel is rotatably connected between the fixed brackets, one end of the grinding machine barrel is fixedly connected to a feed barrel, and the other end of the grinding machine barrel is fixedly connected to a discharge pipe, and a plurality of discharge holes are evenly opened on the discharge pipe; a protective cover is fixedly installed in the discharge pipe, and a plurality of mounting seats are fixedly installed in the discharge pipe, and a plurality of positioning blocks are respectively arranged in the plurality of mounting seats, and the plurality of positioning blocks are fixedly connected to the mounting seats, and a plurality of movable sliders are slidably connected in the positioning block, and the plurality of movable sliders are wedge-shaped.

[0006] Through the above technical solution, the hole formed between the fixed block and the movable slider is expanded or reduced, thereby controlling the size of the discharge hole, so that the staff can adjust the size of the discharge hole according to the volume of the grinding ball.

[0007] The utility model is further configured as follows: one end of the grinding machine barrel is fixedly connected to a fixed gear ring, one side of the fixed gear ring is installed with a driving gear, and the driving gear is fixedly connected to the output end of the driving motor.

[0008] The utility model is further configured as follows: the driving gear and the fixed gear ring are engaged for transmission, and the driving motor is fixedly installed on the installation workbench.

[0009] The utility model is further configured as follows: a plurality of mounting and fixing blocks are slidably connected in the positioning block, a plurality of the mounting and fixing blocks are fixedly connected with a sliding rod, the sliding rod is slidably connected to the mounting seat, one end of the sliding rod is fixedly connected to a mounting column, the mounting seat is rotatably connected to an end thereof close to the mounting column with a T-shaped connecting rod, and a limiting groove is provided on the end of the T-shaped connecting rod away from the mounting column.

[0010] Through the above technical solution, the fixing block and the movable slider are squeezed and matched with each other, so that the hole formed between the fixing block and the movable slider is expanded or reduced, thereby controlling the size of the discharge hole.

[0011] The utility model is further configured as follows: a limiting column is slidably connected in the limiting groove, the limiting column is fixedly connected to the movable connecting rod, a plurality of support seats are fixedly installed on the mounting seat, the support seat and the movable connecting rod are slidably connected, a connecting rack is fixedly installed on one end of the movable connecting rod away from the T-shaped connecting rod, a driving gear is provided on one side of the connecting rack, one side of the driving gear is fixedly connected to the output end of the servo motor, the servo motor is fixedly connected to the protective cover, and a rotating column is fixedly connected to the T-shaped connecting rod.

[0012] Through the above technical solution, the rotation of the servo motor can drive the driving gear to rotate, the driving gear drives the movable connecting rod to move through the connecting rack, the limiting column on the movable connecting rod drives the T-shaped connecting rod to rotate through the limiting groove, and the mutual cooperation between the two ends of the T-shaped connecting rod and the mounting column can drive the sliding rod to move.

[0013] The utility model is further configured as follows: the driving gear and the connecting rack are engaged with each other for transmission, and the rotating column is rotatably connected to the discharge pipe.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model controls the size of the discharge hole by expanding or shrinking the hole formed between the fixed block and the movable slider. In this way, the staff can adjust the size of the discharge hole according to the volume of the grinding balls, so that the grinding balls will not be discharged together with the powder, effectively controlling the separation of the grinding balls and the material, improving the discharge efficiency, ensuring that the particles can be discharged smoothly after grinding, and retaining appropriate grinding balls at the same time. There is no need for the staff to perform separate screening of the powder and grinding balls, saving operation time and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0017] Figure 2 This is the internal structure diagram of the discharge pipe of the utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the mounting base of the utility model;

[0019] Figure 4 For this utility model Figure 3 A magnified view of the structure at point A.

[0020] In the figure: 1. Installation workbench; 11. Fixed bracket; 2. Grinding machine barrel; 21. Feed barrel; 22. Discharge pipe; 23. Discharge hole; 24. Driving gear; 25. Driving motor; 26. Fixed gear ring; 27. Protective cover; 3. Mounting seat; 31. Sliding rod; 32. Mounting fixed block; 33. Moving slider; 34. Mounting column; 35. Positioning block; 4. T-type connecting rod; 41. Limiting groove; 42. Limiting column; 43. Moving connecting rod; 44. Support seat; 45. Connecting rack; 46. Driving gear; 47. Servo motor; 48. Rotating column. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0022] See also Figure 1-Figure 4, a ball mill for producing silicon nitride ceramics includes a mounting workbench 1, the upper surface of the mounting workbench 1 is symmetrically fixedly connected to a fixed bracket 11, a grinding machine barrel 2 is rotatably connected between the fixed brackets 11, one end of the grinding machine barrel 2 is fixedly connected to a feed barrel 21, and the other end of the grinding machine barrel 2 is fixedly connected to a discharge pipe 22, and a plurality of discharge holes 23 are evenly opened on the discharge pipe 22; a protective cover 27 is fixedly installed in the discharge pipe 22, and a plurality of mounting seats 3 are fixedly installed in the discharge pipe 22, a plurality of positioning blocks 35 are respectively provided in the plurality of mounting seats 3, and the plurality of positioning blocks 35 are fixedly connected to the mounting seats 3, and a plurality of movable sliders 33 are slidably connected in the positioning block 35, and the plurality of movable sliders 33 are wedge-shaped, and the hole formed between the mounting fixed block 32 and the movable slider 33 is expanded or reduced, thereby controlling the size of the aperture of the discharge hole 23, so that the staff can adjust the size of the discharge hole 23 according to the volume of the grinding ball.

[0023] One end of the grinding machine barrel 2 is fixedly connected to a fixed gear ring 26 , and a driving gear 24 is installed on one side of the fixed gear ring 26 . The driving gear 24 is fixedly connected to the output end of the driving motor 25 .

[0024] The driving gear 24 is meshed with the fixed gear ring 26 for transmission, and the driving motor 25 is fixedly installed on the installation workbench 1 .

[0025] There are multiple mounting blocks 32 slidingly connected in the positioning block 35, and multiple mounting blocks 32 are fixedly connected with sliding rods 31. The sliding rods 31 are slidingly connected to the mounting seat 3, and one end of the sliding rod 31 is fixedly connected to the mounting column 34. The mounting seat 3 is rotatably connected to the end close to the mounting column 34 with a T-shaped connecting rod 4. The T-shaped connecting rod 4 is provided with a limiting groove 41 at the end away from the mounting column 34. The mounting block 32 and the movable slider 33 are squeezed and fitted with each other, so that the hole formed between the mounting block 32 and the movable slider 33 is expanded or reduced, thereby controlling the size of the aperture of the discharge hole 23.

[0026] The limiting column 42 is slidably connected in the limiting groove 41, and the limiting column 42 is fixedly connected to the moving link 43. A plurality of support seats 44 are fixedly installed on the mounting seat 3, and the support seat 44 is slidably connected to the moving link 43. The moving link 43 is fixedly installed with a connecting rack 45 at one end away from the T-shaped link 4. A driving gear 46 is provided on one side of the connecting rack 45, and one side of the driving gear 46 is fixedly connected to the output end of the servo motor 47. The servo motor 47 is fixedly connected to the protective cover 27. A rotating column 48 is fixedly connected to the T-shaped link 4. The rotation of the servo motor 47 can drive the driving gear 46 to rotate. The driving gear 46 drives the moving link 43 to move through the connecting rack 45. The limiting column 42 on the moving link 43 drives the T-shaped link 4 to rotate through the limiting groove 41. The mutual cooperation between the two ends of the T-shaped link 4 and the mounting column 34 can drive the sliding rod 31 to move; the driving gear 46 and the connecting rack 45 are meshed for transmission, and the rotating column 48 is rotatably connected to the discharge pipe 22.

[0027] When the utility model is in use, the staff places the silicon nitride ceramic into the grinding machine barrel 2 through the feeding barrel 21, starts the driving motor 25, and the output end of the driving motor 25 drives the driving gear 24 to rotate. The driving gear 24 drives the fixed gear ring 26 to rotate through meshing, and then drives the grinding machine barrel 2 to rotate, and grinds the silicon nitride ceramic in the grinding machine barrel 2. When unloading is required, the aperture of the discharge hole 23 is adjusted according to the size of the grinding ball. The servo motor 47 rotates to drive the driving gear 46 to rotate. The driving gear 46 drives the moving connecting rod 43 to move through the connecting rack 45. The limiting column 42 on the moving connecting rod 43 drives the T-shaped connecting rod 4 to rotate through the limiting groove 41. The mutual cooperation between the two ends of the T-shaped connecting rod 4 and the mounting column 34 drives the sliding rod 31 to move. The sliding rod 31 drives the installation and fixing block 32 to move. The installation and fixing block 32 and the moving slider 33 are squeezed and matched with each other, so that the hole formed between the installation and fixing block 32 and the moving slider 33 is expanded or reduced, thereby controlling the size of the aperture of the discharge hole 23.

[0028] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A ball mill for producing silicon nitride ceramics, comprising a mounting table (1), characterized in that: The upper surface of the mounting workbench (1) is symmetrically fixedly connected with fixed brackets (11), a grinding machine barrel (2) is rotatably connected between the fixed brackets (11), one end of the grinding machine barrel (2) is fixedly connected with a feed barrel (21), and the other end of the grinding machine barrel (2) is fixedly connected with a discharge pipe (22), and a plurality of discharge holes (23) are evenly opened on the discharge pipe (22); A protective cover (27) is fixedly installed in the discharge pipe (22), and a plurality of mounting seats (3) are fixedly installed in the discharge pipe (22). A plurality of positioning blocks (35) are respectively provided in the plurality of mounting seats (3). The plurality of positioning blocks (35) are fixedly connected to the mounting seats (3), and a plurality of movable slide blocks (33) are slidably connected in the positioning blocks (35). The plurality of movable slide blocks (33) are wedge-shaped.

2. The grinding ball for a ball mill for producing silicon nitride ceramics according to claim 1, characterized in that: One end of the grinding machine barrel (2) is fixedly connected to a fixed gear ring (26), one side of the fixed gear ring (26) is mounted with a driving gear (24), and the driving gear (24) is fixedly connected to the output end of the driving motor (25).

3. The grinding ball for a ball mill for producing silicon nitride ceramics according to claim 2, characterized in that: The driving gear (24) and the fixed gear ring (26) are meshed and transmitted, and the driving motor (25) is fixedly installed on the installation workbench (1).

4. The grinding ball for a ball mill for producing silicon nitride ceramics according to claim 1, characterized in that: The positioning block (35) is slidably connected to a plurality of mounting and fixing blocks (32), and a sliding rod (31) is fixedly connected to the plurality of mounting and fixing blocks (32). The sliding rod (31) is slidably connected to the mounting seat (3), and one end of the sliding rod (31) is fixedly connected to a mounting column (34). The mounting seat (3) is rotatably connected to an end thereof close to the mounting column (34) with a T-shaped connecting rod (4), and a limiting groove (41) is provided on an end of the T-shaped connecting rod (4) away from the mounting column (34).

5. The grinding ball for a ball mill for producing silicon nitride ceramics according to claim 4, characterized in that: A limiting column (42) is slidably connected in the limiting groove (41), and the limiting column (42) is fixedly connected to the movable connecting rod (43). A plurality of support seats (44) are fixedly installed on the mounting seat (3), and the support seats (44) are slidably connected to the movable connecting rod (43). A connecting rack (45) is fixedly installed on one end of the movable connecting rod (43) away from the T-shaped connecting rod (4). A driving gear (46) is provided on one side of the connecting rack (45), and one side of the driving gear (46) is fixedly connected to the output end of the servo motor (47). The servo motor (47) is fixedly connected to the protective cover (27), and a rotating column (48) is fixedly connected to the T-shaped connecting rod (4).

6. The grinding ball for a ball mill for producing silicon nitride ceramics according to claim 5, characterized in that: The driving gear (46) is meshed with the connecting rack (45) for transmission, and the rotating column (48) is rotationally connected to the discharge pipe (22).

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