Silicon nitride ceramic ball production equipment
By designing a silicon nitride ceramic ball production equipment that includes a grinding box, grinding blocks, grinding bins, discharge pipes, screen frames and receiving frames, the problem of difficulty in collecting and screening raw materials after grinding is solved, and more uniformity is achieved. particle size and higher production quality.
Patent Information
- Application Number
- CN202421086895.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-20
AI Technical Summary
When existing grinders grind silicon nitride powder, it is difficult to collect raw materials after grinding and is inconvenient to screen, resulting in uneven particle size and affecting production quality.
A silicon nitride ceramic ball production equipment is designed, including a grinding box, a grinding block, a grinding bin, a discharge pipe, a screen frame and a collecting frame. By fixing the discharge pipe at the bottom of the grinding chamber, and setting it in the collecting bin The screen frame and receiving frame realize the collection and screening of ground materials.
This equipment can facilitate the collection and screening of ground materials, reduce the unevenness of material particle size, and improve grinding quality and production efficiency.
Smart Images
Figure CN222343056U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of silicon nitride ceramic ball production, in particular to silicon nitride ceramic ball production equipment. Background Art
[0002] Silicon nitride ceramic balls are precision ceramics sintered at high temperature in a non-oxidizing atmosphere. They have high strength, wear resistance, high temperature resistance, corrosion resistance, acid and alkali resistance, can be used in seawater for a long time, and have good electrical and magnetic insulation properties. At 800°C, the strength and hardness are almost unchanged, and its density is 3.20g / cm3, which is almost 1 / 3 of the weight of bearing steel. The centrifugal force is small during rotation, and high-speed operation can be achieved. Silicon nitride ceramic balls are also self-lubricating. They can be used in environments with high pollution without lubricating media. Therefore, they have become the preferred ball for ceramic bearings and hybrid ceramic ball bearings. In the preparation process of silicon nitride ceramic balls, silicon nitride powder and auxiliary materials are mixed and ground by a grinder. After that, the powder ground by the grinder is sieved and sent to a granulation tower for the preparation of silicon nitride ceramic balls.
[0003] When the existing grinder grinds silicon nitride powder, it is troublesome to collect the processed raw materials after grinding, and it is inconvenient to screen them, resulting in uneven particle size of the ground raw materials, which affects the production quality. Utility Model Content
[0004] The utility model aims to solve the problems in the prior art that it is difficult to collect the ground raw materials and inconvenience to screen them, and proposes a silicon nitride ceramic ball production device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A silicon nitride ceramic ball production device comprises a grinding box, a control unit is fixedly arranged on the outer wall of the grinding box, and also comprises: a grinding block, which is arranged on the grinding box, and a grinding bin corresponding to the grinding block is provided on the grinding box, a discharge pipe is fixedly arranged at the bottom of the grinding bin, and a baffle is slidably arranged in the discharge pipe; a screen frame, wherein a material receiving bin is provided in the grinding box, and the material receiving bin is located below the grinding bin, and the screen frame is slidably arranged in the material receiving bin, a material receiving frame is slidably arranged in the material receiving bin, and the material receiving frame is located below the screen frame, and a driving part for driving the screen frame to slide is provided in the material receiving bin.
[0007] In order to ensure reliable sliding of the screen frame, preferably, two groups of symmetrically arranged sliding rods are fixedly provided on the inner wall of the receiving bin, the two sides of the screen frame are slidably connected to the two groups of sliding rods respectively, and the driving part is arranged on one group of sliding rods.
[0008] In order to facilitate screening by the screen frame, the driving part further includes a cross plate, wherein one end of the screen frame is detachably connected to the cross plate, two groups of sliding rods are provided with sliding grooves, push plates are slidably arranged in the two groups of sliding grooves, both ends of the cross plate are fixedly connected to the two groups of push plates, and a reciprocating screw is rotatably arranged in one group of the sliding grooves, one group of the push plates is threadedly connected to the reciprocating screw, and a second motor for driving the reciprocating screw to rotate is fixedly arranged in one group of the sliding grooves.
[0009] In order to facilitate the assembly and disassembly of the screen frame, further, a first magnetic block is fixedly provided on the outer wall of one end of the screen frame, and a second magnetic block is fixedly provided on the transverse plate, and the first magnetic block is magnetically attracted to the second magnetic block.
[0010] Furthermore, a first window communicating with the material receiving bin is provided on the grinding box, and one end of the two groups of sliding rods extends into the first window.
[0011] Preferably, a top plate is fixedly provided on the top of the grinding box through a support column, a mounting plate is slidably provided on the support column, the grinding block is rotatably provided at the bottom of the mounting plate, and a cylinder is fixedly provided on the top plate, and the top of the mounting plate is fixedly connected to the output end of the cylinder.
[0012] Furthermore, a bracket is fixedly arranged inside the grinding block, a first motor is fixedly arranged at the bottom of the mounting plate, and an output end of the first motor is fixedly connected to the bracket.
[0013] Furthermore, a rotation groove is provided at the bottom of the mounting plate, and a plurality of groups of rotation blocks are fixedly arranged on the top of the grinding block, and the ends of the plurality of groups of rotation blocks away from the grinding block are all rotatably arranged in the rotation groove.
[0014] Furthermore, a connecting rod is fixedly provided in the grinding block, a spring sheet is fixedly provided on the top of the connecting rod, a stopper is fixedly provided on the bottom of the mounting plate, and a side wall of one end of the spring sheet away from the connecting rod abuts against a side wall of the stopper.
[0015] Preferably, a third motor is fixedly provided in the material receiving bin, a screw is fixedly provided at an output end of the third motor, and the screw is threadedly connected to the baffle.
[0016] Compared with the prior art, the utility model provides a silicon nitride ceramic ball production equipment, which has the following beneficial effects:
[0017] 1. The silicon nitride ceramic ball production equipment has a discharge pipe fixedly arranged at the bottom of the grinding bin, and a screen frame and a receiving frame arranged in the receiving bin. On the one hand, it is convenient to collect the ground materials and improve the grinding efficiency. On the other hand, the materials can be screened in time during the receiving process to reduce the unevenness of the material particle size and improve the grinding quality.
[0018] 2. The silicon nitride ceramic ball production equipment has a first magnetic block fixedly arranged on the screen frame, and a second magnetic block magnetically attracted to the first magnetic block fixedly arranged on the transverse plate. On the one hand, the screen frame can be moved back and forth through the transverse plate to perform screening and improve screening efficiency. On the other hand, it is convenient to assemble and disassemble the screen frame, replace different screen frames or process materials in the screen frame, thereby improving the use effect.
[0019] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a discharge pipe fixedly arranged at the bottom of the grinding bin, and a screen frame and a receiving frame are arranged in the receiving bin. On the one hand, it is convenient to collect the ground material and improve the grinding efficiency. On the other hand, the material can be screened in time during the collecting process to reduce the unevenness of the material particle size and improve the grinding quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a structural schematic diagram of a silicon nitride ceramic ball production equipment proposed by the utility model;
[0021] Figure 2 This is a schematic diagram of the structure of a grinding block for a silicon nitride ceramic ball production device proposed in the utility model;
[0022] Figure 3 This is a schematic diagram of the structure of a screen frame for silicon nitride ceramic ball production equipment proposed in the utility model;
[0023] Figure 4 This is a cross-sectional view of a silicon nitride ceramic ball production device proposed by the utility model;
[0024] Figure 5 A silicon nitride ceramic ball production equipment proposed by the utility model Figure 4 Enlarged view of part A.
[0025] In the figure: 1. grinding box; 101. grinding bin; 102. collecting bin; 103. baffle; 104. support column; 105. top plate; 2. grinding block; 201. rotating block; 202. bracket; 203. first motor; 204. connecting rod; 205. spring sheet; 3. mounting plate; 301. cylinder; 302. rotating groove; 303. baffle; 4. screen frame; 401. first magnetic block; 5. sliding rod; 501. sliding groove; 6. reciprocating screw; 601. push plate; 602. cross plate; 603. second magnetic block; 604. second motor; 7. collecting frame. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0028] Example:
[0029] Reference Figure 1-Figure 5A silicon nitride ceramic ball production device includes a grinding box 1, a control unit is fixedly arranged on the outer wall of the grinding box 1, and also includes: a grinding block 2, which is arranged on the grinding box 1, and a grinding bin 101 corresponding to the grinding block 2 is opened on the grinding box 1, and the material is placed in the grinding bin 101, and then the material in the grinding bin 101 can be ground by the grinding block 2, a discharge pipe is fixedly arranged at the bottom of the grinding bin 101, a baffle 103 is slidably arranged in the discharge pipe, a limiting groove is opened in the discharge pipe, and the baffle 103 slides The baffle 103 is manually moved in the limit groove to ensure that the position of the baffle 103 is reliable and to prevent the baffle 103 from turning over when sliding, which affects normal use. A pneumatic cylinder, a hydraulic cylinder or an electric telescopic cylinder can be used to drive the baffle 103 to slide, so as to realize the opening and closing of the discharge pipe. Here, a third motor is fixedly arranged on the inner wall of the receiving bin 102, and a screw is fixedly arranged at the output end of the third motor. The screw is threadedly connected to the baffle 103, and the screw is driven to rotate by the third motor, so that the baffle 103 can be driven to slide in the limit groove. The opening and closing of the discharge pipe is realized, so that the material of the grinding thickness in the grinding bin 101 can be discharged conveniently, and the production efficiency can be improved; the screen frame 4 is used to screen the ground material, wherein a receiving bin 102 is provided in the grinding box 1, and the receiving bin 102 is located below the grinding bin 101, and the screen frame 4 is slidably arranged in the receiving bin 102, and the screen frame 4 is located below the discharge pipe, and a receiving frame 7 is slidably arranged in the receiving bin 102, and the receiving frame 7 is located below the screen frame 4, and a device for driving the screen frame 4 is provided in the receiving bin 102 When the sliding driving part is in use, the ground material will fall into the screen frame 4 located in the receiving bin 102 by opening the discharge pipe. At this time, the driving part drives the screen frame 4 to slide back and forth to screen the material. The material that meets the particle size requirements will pass through the screen frame 4 and fall into the receiving frame 7. When the screening is completed, the screen frame 4 is taken out from the receiving bin 102, and then the remaining material in the screen frame 4 is placed in the grinding bin 101 for further grinding to avoid waste. Finally, after all the screening is completed, the receiving frame 7 is pulled out from the receiving bin 102 for subsequent use.
[0030] During use, a discharge pipe is fixedly provided at the bottom of the grinding bin 101, and a screen frame 4 and a receiving frame 7 are provided in the receiving bin 102. On the one hand, it is convenient to collect the ground material and improve the grinding efficiency. On the other hand, the material can be screened in time during the collecting process to reduce the unevenness of the material particle size and improve the grinding quality. A first magnetic block 401 is fixedly provided on the screen frame 4, and a second magnetic block 603 that is magnetically attracted to the first magnetic block 401 is fixedly provided on the cross plate 602. On the one hand, the screen frame 4 can be moved back and forth through the cross plate 602 to perform screening and improve the screening efficiency. On the other hand, it is convenient to assemble and disassemble the screen frame 4, to facilitate the replacement of different screen frames 4 or to process the material in the screen frame 4, thereby improving the use effect.
[0031] Reference Figure 1 , Figure 3 and Figure 4 Two groups of symmetrically arranged sliding bars 5 are fixedly provided on the inner wall of the material receiving bin 102, and two groups of through holes corresponding to the sliding bars 5 are opened on the screen frame 4, and the two sides of the screen frame 4 are slidably connected with the two groups of sliding bars 5, that is to say, the two groups of sliding bars 5 are slidably set in the corresponding through holes, and a handle is fixedly provided on one end of the screen frame 4 close to the first window, and a first window connected to the material receiving bin 102 is opened on the grinding box 1, one end of the two groups of sliding bars 5 extends into the first window, and a driving unit is arranged on one of the groups of sliding bars 5. When in use, the screen frame 4 is inserted into the material receiving bin 102 from the first window, and the two groups of sliding bars 5 just pass through the through holes of the screen frame 4. When the screen frame 4 is installed, the driving unit is started, and the screen frame 4 can be slid back and forth along the sliding bars 5 to realize screening of the material and improve the use effect.
[0032] Reference Figure 3 and Figure 5 The driving part can use a pneumatic cylinder or a hydraulic cylinder to drive the screen frame 4 to slide back and forth to achieve screening. Here, we design the driving part as: a horizontal plate 602, wherein one end of the screen frame 4 is detachably connected to the horizontal plate 602, and a slide groove 501 is provided on the two sets of slide rods 5. Push plates 601 are respectively slidably arranged in the two sets of slide grooves 501, and the two ends of the horizontal plate 602 are respectively fixedly connected to the two sets of push plates 601, and a reciprocating screw 6 is rotatably arranged in one set of slide grooves 501. The reciprocating screw 6 is a prior art. The corresponding push plate 6 01 is threadedly connected with the reciprocating screw 6, and a second motor 604 for driving the reciprocating screw 6 to rotate is fixedly arranged in a corresponding set of slide grooves 501, and a guide rod is fixedly arranged in another set of slide grooves 501, and another set of push plates 601 is slidably connected with the guide rod. When in use, after the screen frame 4 is installed in place, that is, after the connection between it and the cross plate 602 is completed, the second motor 604 is started to drive the reciprocating screw 6 to rotate. Driven by the reciprocating screw 6 and the cross plate 602, the screen frame 4 can be driven to slide back and forth, thereby improving the screening efficiency.
[0033] Reference Figure 5 A first magnetic block 401 is fixedly arranged on the outer wall of one end of the screen frame 4, and a second magnetic block 603 is fixedly arranged on the cross plate 602. The first magnetic block 401 and the second magnetic block 603 are magnetically attracted. When in use, the first magnetic block 401 on the screen frame 4 is attracted to the second magnetic block 603 on the cross plate 602. When the cross plate 602 slides back and forth on the slide bar 5, the screen frame 4 can be brought along to slide, which is convenient for assembly and disassembly, and is convenient for replacing or cleaning the screen frame 4. Here, the screen frame 4 can also be detachably connected to the cross plate 602 using screws and buckles.
[0034] Reference Figure 1 and Figure 4 A top plate 105 is fixedly provided on the top of the grinding box 1 through a support column 104. The support column 104 is provided with two to six groups, preferably four groups, and the four groups are evenly distributed. A mounting plate 3 is slidably provided on the support column 104, and the grinding block 2 is rotatably provided at the bottom of the mounting plate 3, and a cylinder 301 is fixedly provided on the top plate 105, and the top of the mounting plate 3 is fixedly connected to the output end of the cylinder 301. When in use, the mounting plate 3 and the grinding block 2 can be driven into the grinding bin 101 by the cylinder 301 to squeeze the material in the grinding bin 101, which helps to increase the grinding speed.
[0035] Reference Figure 2 and Figure 4 A bracket 202 is fixedly arranged in the grinding block 2, and a first motor 203 is fixedly arranged at the bottom of the mounting plate 3. The output end of the first motor 203 is fixedly connected to the bracket 202. When in use, the grinding block 2 is driven by the first motor 203 to rotate in the grinding bin 101, so that the material in the grinding bin 101 can be ground.
[0036] Reference Figure 2 and Figure 4 A rotating groove 302 is provided at the bottom of the mounting plate 3, and a plurality of rotating blocks 201 are fixedly provided on the top of the grinding block 2. The rotating blocks 201 are provided with two to six groups, preferably four groups. The ends of the four groups of rotating blocks 201 away from the grinding block 2 are all rotated and provided in the rotating groove 302. When in use, by fixing the rotating blocks 201 on the grinding block 2, on the one hand, the grinding block 2 can be ensured to rotate reliably to prevent deflection and affect normal use; on the other hand, the extrusion effect of the grinding block 2 on the material can be improved.
[0037] Reference Figure 2 and Figure 4 A connecting rod 204 is fixedly arranged in the grinding block 2, and the connecting rod 204 is provided with one to six groups. Here, we prefer two groups, and the two groups are symmetrical. Spring sheets 205 are fixedly arranged on the tops of the two groups of connecting rods 204, and a stopper 303 is fixedly arranged on the bottom of the mounting plate 3, and the side wall of one end of the spring sheet 205 away from the connecting rod 204 is abutted against the side wall of the stopper 303. When in use, when the grinding block 2 is rotating and grinding, the top of the spring sheet 205 will abut against the stopper 303, at least, the spring sheet 205 undergoes elastic deformation, and when the grinding block 2 continues to rotate, the top of the spring sheet 205 is separated from the abutting state with the stopper 303. Under the action of elastic force, the top of the spring sheet 205 will continue to swing for a period of time, and a certain vibration will be generated at this time, and the vibration will be transmitted to the grinding block 2 through the connecting rod 204, which can reduce the adhesion of materials to the grinding block 2.
[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A silicon nitride ceramic ball production device, comprising a grinding box (1), wherein a control unit is fixedly arranged on the outer wall of the grinding box (1), characterized in that: Also includes: A grinding block (2) is arranged on a grinding box (1); a grinding chamber (101) corresponding to the grinding block (2) is provided on the grinding box (1); a discharge pipe is fixedly arranged at the bottom of the grinding chamber (101); a baffle (103) is slidably arranged inside the discharge pipe; Screen frame (4), Wherein, a material receiving bin (102) is provided in the grinding box (1), and the material receiving bin (102) is located below the grinding bin (101); the screen frame (4) is slidably arranged in the material receiving bin (102); a material receiving frame (7) is slidably arranged in the material receiving bin (102), and the material receiving frame (7) is located below the screen frame (4); and a driving unit for driving the screen frame (4) to slide is arranged in the material receiving bin (102).
2. A silicon nitride ceramic ball production equipment according to claim 1, characterized in that: Two groups of symmetrically arranged sliding bars (5) are fixedly arranged on the inner wall of the material receiving bin (102), the two sides of the screen frame (4) are respectively slidably connected to the two groups of sliding bars (5), and the driving part is arranged on one of the groups of sliding bars (5).
3. A silicon nitride ceramic ball production equipment according to claim 2, characterized in that: The driving part includes a transverse plate (602), Among them, one end of the screen frame (4) is detachably connected to the cross plate (602), and the two groups of sliding rods (5) are each provided with a sliding groove (501), and push plates (601) are respectively slidably arranged in the two groups of the sliding grooves (501), and the two ends of the cross plate (602) are respectively fixedly connected to the two groups of push plates (601), and a reciprocating screw (6) is rotatably arranged in one group of the sliding grooves (501), and one group of the push plates (601) is threadedly connected to the reciprocating screw (6), and a second motor (604) for driving the reciprocating screw (6) to rotate is fixedly arranged in one group of the sliding grooves (501).
4. The silicon nitride ceramic ball production equipment according to claim 3, characterized in that: A first magnetic block (401) is fixedly arranged on the outer wall of one end of the screen frame (4), and a second magnetic block (603) is fixedly arranged on the transverse plate (602), and the first magnetic block (401) and the second magnetic block (603) are magnetically attracted to each other.
5. The silicon nitride ceramic ball production equipment according to claim 2, characterized in that: The grinding box (1) is provided with a first window which is in communication with the material receiving bin (102), and one end of the two sets of sliding rods (5) extends into the first window.
6. The silicon nitride ceramic ball production equipment according to claim 1, characterized in that: A top plate (105) is fixedly arranged on the top of the grinding box (1) via a support column (104); a mounting plate (3) is slidably arranged on the support column (104); the grinding block (2) is rotatably arranged on the bottom of the mounting plate (3); a cylinder (301) is fixedly arranged on the top plate (105); and the top of the mounting plate (3) is fixedly connected to the output end of the cylinder (301).
7. The silicon nitride ceramic ball production equipment according to claim 6, characterized in that: A bracket (202) is fixedly arranged inside the grinding block (2), a first motor (203) is fixedly arranged at the bottom of the mounting plate (3), and an output end of the first motor (203) is fixedly connected to the bracket (202).
8. The silicon nitride ceramic ball production equipment according to claim 7, characterized in that: A rotation groove (302) is provided at the bottom of the mounting plate (3), and a plurality of groups of rotation blocks (201) are fixedly arranged on the top of the grinding block (2), and the ends of the plurality of groups of rotation blocks (201) away from the grinding block (2) are all rotationally arranged in the rotation groove (302).
9. The silicon nitride ceramic ball production equipment according to claim 8, characterized in that: A connecting rod (204) is fixedly arranged inside the grinding block (2), a spring sheet (205) is fixedly arranged on the top of the connecting rod (204), a stopper (303) is fixedly arranged on the bottom of the mounting plate (3), and a side wall of one end of the spring sheet (205) away from the connecting rod (204) abuts against a side wall of the stopper (303).
10. The silicon nitride ceramic ball production equipment according to claim 1, characterized in that: A third motor is fixedly arranged in the material receiving bin (102), a screw is fixedly arranged at the output end of the third motor, and the screw is threadedly connected to the baffle (103).