An eccentric ceramic ball grinding tool

Abstract

The present application discloses an eccentric ceramic ball grinding tool, which relates to the technical field of mechanical processing equipment, and includes a base plate; a Y-axis displacement plate, which is slidably arranged on the base plate, and a first stopper is arranged on the base plate for preventing the Y-axis displacement plate from sliding; an X-axis displacement plate, which is slidably arranged on the Y-axis displacement plate, and a second stopper is arranged on the Y-axis displacement plate for preventing the X-axis displacement plate from sliding; a mounting structure, which is arranged on the X-axis displacement plate, and is used to mount an eccentric ceramic ball, and when the eccentric ceramic ball is mounted on the X-axis displacement plate, the angle of the eccentric ceramic ball can be adjusted; an adjustment component, which is arranged on the X-axis displacement plate, and is used to adjust the deflection angle of the eccentric ceramic ball; a positioning block, which is used to be installed and fixed on the grinding shaft of the grinding equipment; and a grinding block, which is fixedly arranged on the positioning block, and is used to grind the spherical surface of the eccentric ceramic ball. The eccentric ceramic ball grinding tool of the present application can realize multi-dimensional precise adjustment and stable fixation.

Description

Technical Field

[0001] The present application relates to the technical field of mechanical processing equipment, and in particular to an eccentric ceramic ball grinding tool. Background Art

[0002] Ceramic balls are widely used in various precision mechanical equipment in industrial production, such as bearings, valves, etc. With the advancement of science and technology, the quality and precision requirements of ceramic balls are getting higher and higher. Especially in some special applications, such as medical equipment, aerospace and other fields, the demand for eccentric ceramic balls is increasing, and the precision requirements for eccentric ceramic balls are also getting higher and higher.

[0003] At present, in the process of grinding eccentric ceramic balls, manual grinding or the use of simple auxiliary mechanical fixtures in conjunction with grinding tools is usually used for grinding. Although the manual grinding method has high flexibility, it is time-consuming and labor-intensive due to its reliance on manual operation, and it is difficult to ensure the consistency of grinding accuracy. The method of using a simple auxiliary mechanical fixture can achieve basic fixing and grinding functions, but its adjustment accuracy is limited, especially in terms of precise positioning in multi-dimensional space. In addition, the existing simple mechanical fixtures cannot effectively fix and adjust the position of the eccentric ceramic balls, resulting in unstable grinding quality, increasing the difficulty of operation and time cost. Therefore, there is an urgent need for an eccentric ceramic ball grinding tool that can be flexibly adjusted in multiple dimensions and can be stably fixed to improve grinding quality and efficiency. Summary of the invention

[0004] In view of the problems existing in the prior art, the present application provides an eccentric ceramic ball grinding tool.

[0005] The present application provides an eccentric ceramic ball grinding tool, which adopts the following technical solution: An eccentric ceramic ball grinding tool comprises a base plate for being fixed on a machine tool; a Y-axis displacement plate slidably arranged on the base plate, wherein the base plate is provided with a first limiter for preventing the Y-axis displacement plate from sliding; an X-axis displacement plate slidably arranged on the Y-axis displacement plate, wherein the Y-axis displacement plate is provided with a second limiter for preventing the X-axis displacement plate from sliding; a mounting structure arranged on the X-axis displacement plate and used for mounting an eccentric ceramic ball, wherein when the eccentric ceramic ball is mounted on the X-axis displacement plate, the angle of the eccentric ceramic ball is adjustable; an adjusting assembly arranged on the X-axis displacement plate and used for adjusting the deflection angle of the eccentric ceramic ball; a positioning block for being mounted and fixed on a grinding shaft of a grinding device; and a grinding block fixedly arranged on the positioning block and used for grinding the spherical surface of the eccentric ceramic ball.

[0006] Optionally, the mounting structure includes a mounting bracket, a positioning pin sleeve and a fixing assembly, wherein two mounting brackets are provided and both are fixed on the X-axis displacement plate, the eccentric ceramic ball is used to be installed between the two mounting brackets, both mounting brackets are provided with mounting holes, the mounting holes are adapted to the positioning sleeves, both mounting brackets are penetrated by the positioning pin sleeves, and the central axes of the positioning sleeves on the two mounting brackets coincide, the positioning pin sleeves are used to be penetrated into the formed holes on the eccentric ceramic ball bracket, and the fixing assembly is used to fix the positioning sleeves on the mounting bracket.

[0007] Optionally, the fixing assembly includes a locking pin and a mounting screw, wherein the locking pin is adapted to be inserted into the positioning pin sleeve, and the mounting screw is used to fix the locking pin to the mounting bracket.

[0008] Optionally, the end of the locking pin shaft is provided with a chamfer to facilitate insertion into the positioning pin sleeve.

[0009] Optionally, the adjustment assembly includes a driving block, a third limit member, a connecting rod, a locking block and a locking member, the driving block is slidably set on the X-axis displacement plate, the third limit member is used to prevent the driving block from sliding, the connecting rod is hinged to the driving block, the locking block is hinged to the connecting rod, and the locking member is used to fix the grinding eccentric ceramic ball on the locking block.

[0010] Optionally, the locking member includes a locking bolt, and the locking block is provided with a locking groove for clamping on the bracket of the eccentric ceramic ball. The locking block is provided with a locking hole for allowing the locking bolt to pass through, and the locking hole passes through the two side walls of the locking groove, and a nut is threadedly connected to the locking bolt.

[0011] Optionally, a first positioning column is fixedly provided on the bottom plate, a first guide groove is opened on the Y-axis displacement plate along the sliding direction of the Y-axis displacement plate, the first positioning column is penetrated in the first guide groove, and is used to limit the sliding direction of the Y-axis displacement plate.

[0012] Optionally, a second positioning column is fixedly provided on the Y-axis displacement plate, a second guide groove is opened on the X-axis displacement plate along the sliding direction of the X-axis displacement plate, and the second positioning column is passed through the second guide groove and is used to limit the sliding direction of the X-axis displacement plate.

[0013] Optionally, the grinding block is detachably arranged on a positioning block, and a fixing piece for fixing the grinding block is arranged on the positioning block.

[0014] Optionally, the fixing member includes a screw sleeve, the positioning block is provided with an installation groove, the grinding block is provided with a installation block adapted to the installation groove, the side wall of the positioning block is provided with an external thread adapted to the screw sleeve, the end of the screw sleeve is provided with a receiving portion, and the receiving portion is used to abut the end of the grinding block.

[0015] In summary, the present application includes at least one of the following beneficial technical effects: 1. The eccentric ceramic ball grinding tool of the present application can achieve multi-dimensional precise adjustment and firm fixation. Specifically, through the combined design of the base plate, the Y-axis displacement plate and the X-axis displacement plate, the movement of the eccentric ceramic ball in the X and Y two-dimensional directions is realized, and the first limit member and the second limit member respectively prevent the sliding of the Y-axis displacement plate and the X-axis displacement plate, thereby ensuring the accurate position of the eccentric ceramic ball and improving the grinding accuracy; through the design of the mounting structure and the adjustment component, the angle of the eccentric ceramic ball can be flexibly adjusted and can be firmly fixed in the desired position, so that the center of the eccentric ceramic ball is coaxial with the grinding axis, ensuring the precise positioning of the eccentric ceramic ball during the grinding process, and further improving the grinding accuracy and consistency.

[0016] 2. The adjustment component of the present application can accurately control the deflection angle of the eccentric ceramic ball and improve the accuracy and reliability of the eccentric ceramic ball grinding. Specifically, the drive block is slidably set on the X-axis displacement plate, and the connecting rod is hinged to the drive block to transmit and amplify the movement of the drive block. The locking piece fixes the eccentric ceramic ball on the locking block, and the locking block is hinged to the connecting rod. Through the mutual cooperation between the drive block, the connecting rod and the locking block, the angle of the eccentric ceramic ball is fine-tuned to ensure the grinding accuracy; and through the setting of the third limiter, the sliding of the drive block is prevented, ensuring the stability of the eccentric ceramic ball after adjustment and preventing it from loosening or falling off during the grinding process.

[0017] 3. The present application disassembles the grinding block on the positioning block so that different grinding blocks can be replaced quickly and easily when grinding eccentric ceramic balls of different materials or sizes, thereby adapting to various grinding needs and improving the applicability and maintenance convenience of the tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 It is a cross-sectional view of the overall structure of the embodiment of the present application, which is mainly used to express the specific structure of the positioning block; Figure 3 It is a structural cross-sectional view used to express the installation structure in the embodiment of the present application; Figure 4 It is a cross-sectional view of the overall structure of an embodiment of the present application, which is mainly used to express the specific structure of the regulating component.

[0019] Explanation of the accompanying drawings: 1. base plate; 11. joint plate; 12. first positioning column; 13. first adjusting screw; 131. first knob; 14. first fixed block; 2. positioning block; 21. grinding block; 211. mounting block; 221. receiving portion; 22. screw sleeve; 23. mounting groove; 3. Y-axis displacement plate; 31. first guide groove; 32. second positioning column; 33. second adjusting screw; 331. second knob; 34. second fixed block; 4. X-axis displacement plate; 41. second guide groove; 42. mounting bracket; 421. mounting hole; 422. mounting screw; 43. positioning pin sleeve; 44. locking pin; 45. driving block; 46. connecting rod; 47. locking block; 471. locking bolt; 472. locking groove; 48. third adjusting screw; 481. third knob; 49. cover plate. DETAILED DESCRIPTION

[0020] The following will be combined with the attached Figure 1 -Attached Figure 4 , the technical solutions in the embodiments of the present invention are clearly and completely described. The described embodiments are only possible technical implementations of the present invention, not all possible implementations. Those skilled in the art can completely combine the embodiments of the present invention to obtain other embodiments without creative work, and these embodiments are also within the scope of protection of the present invention.

[0021] The inventors of the present application have discovered that the existing eccentric ceramic balls are usually ground manually or using a simple auxiliary mechanical fixture in conjunction with a grinding tool during the grinding process. Although manual grinding is highly flexible, it is time-consuming and labor-intensive, and cannot ensure the consistency of grinding accuracy; and the method of grinding using a simple auxiliary mechanical fixture in conjunction with a grinding tool, although it can achieve basic fixing and grinding functions, has great limitations in terms of adjustment accuracy, and cannot effectively fix and adjust the position of the eccentric ceramic ball, especially precise positioning in multi-dimensional space. This not only affects the grinding accuracy, but also increases the difficulty and time cost of operation. To this end, the present application discloses an eccentric ceramic ball grinding tool, which mainly adopts the following scheme: The present application embodiment discloses an eccentric ceramic ball grinding tool. Figure 1 , including a base plate 1 and a positioning block 2, a joint plate 11 is fixed to the bottom end of the base plate 1 by bolts, and the base plate 1 is fixed to the grinding machine by the joint plate 11, a Y-axis displacement plate 3 is slidably provided on the upper end surface of the base plate 1, an X-axis displacement plate 4 is slidably provided on the end surface of the Y-axis displacement plate 3 away from the base plate 1, a mounting structure for mounting an eccentric ceramic ball and an adjusting component for adjusting the deflection angle of the eccentric ceramic ball are provided on the X-axis displacement plate 4, and the positioning block 2 is fixed to the grinding shaft by bolts.

[0022] Reference Figure 2A grinding block 21 is fixedly arranged on the positioning block 2. Specifically, the grinding block 21 is annular, and when the positioning block 2 is fixed on the grinding shaft, the central axis of the grinding block 21 coincides with the rotation axis of the grinding shaft. The end surface of the grinding block 21 away from the positioning block 2 is provided with a grinding surface connected to the inside of the grinding block 21. The diameter of the grinding surface gradually increases in the direction away from the positioning block 2, and is used for grinding the spherical surface of the eccentric ceramic ball.

[0023] Reference Figure 2 The grinding block 21 is detachably arranged on the positioning block 2, and a fixing piece is arranged on the positioning block 2 to fix the grinding block 21. Specifically, the fixing piece includes a screw sleeve 22, and the side wall of the positioning block 2 is provided with an external thread matched with the screw sleeve 22. The positioning block 2 is provided with a mounting groove 23, and the grinding block 21 is provided with a mounting block 211 matched with the mounting groove 23. The end of the screw sleeve 22 is provided with a receiving portion 221 for abutting the bottom end of the grinding block 21. This detachable design allows the grinding block 21 to be quickly replaced according to actual needs, thereby improving the flexibility and applicability of the tooling.

[0024] Reference Figure 1 , a plurality of first positioning columns 12 are fixedly arranged on the upper end surface of the bottom plate 1, and the length direction of the first positioning columns 12 is perpendicular to the upper end surface of the bottom plate 1, and a plurality of first guide grooves 31 are opened on the Y-direction displacement plate 3 along the sliding direction of the Y-direction displacement plate 3, and the first guide grooves 31 correspond to the first positioning columns 12 one by one, and the first positioning columns 12 are inserted into the corresponding first guide grooves 31, and the sliding direction of the Y-direction displacement plate 3 is limited by the first positioning columns 12, ensuring that it can only move within the predetermined track, thereby improving the stability of the entire tooling system. At the same time, this design makes the movement of the Y-direction displacement plate 3 more precise and controllable, avoiding the grinding error caused by position deviation, thereby improving the grinding quality and efficiency.

[0025] Reference Figure 1 A first limit member for preventing the Y-axis displacement plate 3 from sliding is provided on the bottom plate 1, and the first limit member includes a first adjusting screw 13. A first fixing block 14 is fixedly provided on the bottom plate 1. The first adjusting screw 13 is rotatably passed through the first fixing block 14. The length direction of the first adjusting screw 13 is parallel to the sliding direction of the Y-axis displacement plate 3, and the first adjusting screw 13 is threadedly matched with the Y-axis displacement plate 3. A first knob 131 is fixedly provided on the first adjusting screw 13.

[0026] Reference Figure 1A plurality of second positioning columns 32 are fixedly provided on the end surface of the Y-axis displacement plate 3 away from the base plate 1, and the length direction of the second positioning columns 32 is perpendicular to the end surface of the Y-axis displacement plate 3 away from the base plate 1, and a plurality of second guide grooves 41 are opened on the X-axis displacement plate 4 along the sliding direction of the X-axis displacement plate 4, and the second guide grooves 41 correspond to the second positioning columns 32 one by one, and the second positioning columns 32 are penetrated into the corresponding second guide grooves 41, and the sliding direction of the X-axis displacement plate 4 is limited by the second positioning columns 32 to ensure that the X-axis displacement plate 4 can only slide in a predetermined direction, thereby avoiding errors caused by inconsistent sliding directions.

[0027] Reference Figure 1 A second limit member for preventing the X-axis displacement plate 4 from sliding is provided on the Y-axis displacement plate 3, and the second limit member includes a second adjusting screw 33. A second fixing block 34 is fixedly provided on the Y-axis displacement plate 3. The second adjusting screw 33 is rotatably passed through the second fixing block 34. The length direction of the second adjusting screw 33 is parallel to the sliding direction of the X-axis displacement plate 4, and the second adjusting screw 33 is threadedly matched with the X-axis displacement plate 4. A second knob 331 is fixedly provided on the second adjusting screw 33.

[0028] Reference Figure 1 , 2 The installation structure is set so that when the eccentric ceramic ball is installed on the X-axis displacement plate 4, the angle of the eccentric ceramic ball can be adjusted; specifically, the installation structure includes a mounting bracket 42, a positioning pin sleeve 43 and a fixing assembly, two mounting brackets 42 are provided, and both are fixed on the X-axis displacement plate 4, an installation space for installing the eccentric ceramic ball is formed between the two mounting brackets 42, and the spacing between the two mounting brackets 42 is adapted to the bracket width on the eccentric ceramic ball.

[0029] Reference Figure 2 , 3 Each mounting bracket 42 is provided with a mounting hole 421 for the positioning pin sleeve 43 to pass through, and the mounting hole 421 is adapted to the positioning pin sleeve 43, and the positioning pin sleeve 43 is used to pass through the formed hole on the eccentric ceramic ball bracket; and when the positioning pin sleeves 43 are installed in the mounting holes 421 of the two mounting brackets 42, the central axes of the positioning pin sleeves 43 on the two mounting brackets 42 coincide, ensuring that the eccentric ceramic ball can rotate.

[0030] Reference Figure 2 , 3 The fixing assembly is used to fix the positioning sleeve on the mounting bracket 42; specifically, the fixing assembly includes a locking pin 44 and a mounting screw 422. The locking pin 44 is adapted to the positioning pin sleeve 43 and is used to be inserted into the positioning pin sleeve 43. The locking pin 44 is fixed to the mounting bracket 42 by the mounting screw 422 to fix the positioning pin sleeve 43. In order to facilitate the insertion of the locking pin 44 into the positioning pin sleeve 43, the end of the locking pin 44 is also provided with a chamfer.

[0031] Reference Figure 4 The adjustment assembly mainly includes a driving block 45, a third position-limiting member, a connecting rod 46, a locking block 47 and a locking member. The driving block 45 is slidably arranged on the X-direction displacement plate 4, and when the eccentric ceramic ball is mounted on the X-direction displacement plate 4, the sliding direction of the driving block 45 is perpendicular to the rotation axis of the eccentric ceramic ball. The third position-limiting member includes a third adjusting screw 48. A cover plate 49 is fixedly arranged on the X-direction displacement plate 4. The third adjusting screw 48 is rotatably arranged on the cover plate 49, and the third adjusting screw 48 is threadedly matched with the driving block 45 to prevent the sliding of the driving block 45. A third knob 481 is fixedly arranged on the third adjusting screw 48.

[0032] Reference Figure 4 , the connecting rod 46 is hinged to the driving block 45, the locking block 47 is hinged to the end of the connecting rod 46 away from the driving block 45, and finally the eccentric ceramic ball is fixed to the locking block 47 by a locking member. The locking member specifically includes a locking bolt 471, and a locking groove 472 is provided on the locking block 47 for clamping the bracket of the eccentric ceramic ball. The locking block 47 is also provided with a locking hole for the locking bolt 471 to pass through, and a nut is threadedly connected to the locking bolt 471 to ensure that the eccentric ceramic ball is firmly connected to the locking block 47.

[0033] The implementation principle of an eccentric ceramic ball grinding tool in the embodiment of the present application is as follows: through the combined design of the base plate 1, the Y-axis displacement plate 3 and the X-axis displacement plate 4, the movement of the eccentric ceramic ball in the X and Y two-dimensional directions is realized, and the first limit member and the second limit member are respectively used to prevent the Y-axis displacement plate 3 and the X-axis displacement plate 4 from sliding, thereby ensuring that the position of the eccentric ceramic ball is accurate, thereby improving the grinding accuracy; through the design of the mounting structure and the adjustment component, the angle of the eccentric ceramic ball can be flexibly adjusted, and can be firmly fixed in the desired position, so that the center of the eccentric ceramic ball is coaxial with the grinding axis, ensuring the precise positioning of the eccentric ceramic ball during the grinding process, and further improving the grinding accuracy and consistency.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An eccentric ceramic ball grinding tool, characterized in that: include A base plate (1) for fixing on a machine tool; A Y-axis displacement plate (3) is slidably arranged on the bottom plate (1), and a first stopper is arranged on the bottom plate (1) for preventing the Y-axis displacement plate (3) from sliding; An X-direction displacement plate (4) is slidably arranged on the Y-direction displacement plate (3), wherein the Y-direction displacement plate (3) is provided with a second stopper for preventing the X-direction displacement plate (4) from sliding; A mounting structure, arranged on the X-direction displacement plate (4), for mounting the eccentric ceramic ball, and when the eccentric ceramic ball is mounted on the X-direction displacement plate (4), the angle of the eccentric ceramic ball can be adjusted; An adjustment component, arranged on the X-direction displacement plate (4), for adjusting the deflection angle of the eccentric ceramic ball; A positioning block (2), used for being installed and fixed on a grinding shaft of a grinding device; The grinding block (21) is fixedly arranged on the positioning block (2) and is used for grinding the spherical surface of the eccentric ceramic ball.

2. The eccentric ceramic ball grinding tool according to claim 1, characterized in that: The mounting structure comprises a mounting bracket (42), a positioning pin sleeve (43) and a fixing assembly. Two mounting brackets (42) are provided and both are fixed on the X-axis displacement plate (4). The eccentric ceramic ball is used to be installed between the two mounting brackets (42). Both mounting brackets (42) are provided with mounting holes (421), and the mounting holes (421) are adapted to the positioning sleeves. Both mounting brackets (42) are provided with the positioning pin sleeves (43), and the central axes of the positioning sleeves on the two mounting brackets (42) coincide. The positioning pin sleeves (43) are used to be inserted into the holes on the eccentric ceramic ball brackets. The fixing assembly is used to fix the positioning sleeves on the mounting brackets (42).

3. The eccentric ceramic ball grinding tool according to claim 2, characterized in that: The fixing assembly comprises a locking pin shaft (44) and a mounting screw (422); the locking pin shaft (44) is matched with the positioning pin sleeve (43) and is used to be inserted into the positioning pin sleeve (43); and the mounting screw (422) is used to fix the locking pin shaft (44) on the mounting bracket (42).

4. The eccentric ceramic ball grinding tool according to claim 3 is characterized in that: The end of the locking pin shaft (44) is provided with a chamfer to facilitate insertion into the positioning pin sleeve (43).

5. The eccentric ceramic ball grinding tool according to claim 1, characterized in that: The adjustment assembly comprises a driving block (45), a third limiting member, a connecting rod (46), a locking block (47) and a locking member, wherein the driving block (45) is slidably arranged on the X-axis displacement plate (4), the third limiting member is used to prevent the driving block (45) from sliding, the connecting rod (46) is hinged to the driving block (45), the locking block (47) is hinged to the connecting rod (46), and the locking member is used to fix the grinding eccentric ceramic ball on the locking block (47).

6. The eccentric ceramic ball grinding tool according to claim 5, characterized in that: The locking member comprises a locking bolt (471). The locking block (47) is provided with a locking groove (472) for clamping on the bracket of the eccentric ceramic ball. The locking block (47) is provided with a locking hole for the locking bolt (471) to pass through, and the locking hole passes through the two side walls of the locking groove (472). A nut is threadedly connected to the locking bolt (471).

7. The eccentric ceramic ball grinding tool according to claim 1, characterized in that: A first positioning column (12) is fixedly arranged on the bottom plate (1), a first guide groove (31) is opened on the Y-direction displacement plate (3) along the sliding direction of the Y-direction displacement plate (3), and the first positioning column (12) is inserted into the first guide groove (31) and is used to limit the sliding direction of the Y-direction displacement plate (3).

8. The eccentric ceramic ball grinding tool according to claim 1, characterized in that: A second positioning column (32) is fixedly arranged on the Y-direction displacement plate (3), a second guide groove (41) is opened on the X-direction displacement plate (4) along the sliding direction of the X-direction displacement plate (4), and the second positioning column (32) is inserted into the second guide groove (41) and is used to limit the sliding direction of the X-direction displacement plate (4).

9. The eccentric ceramic ball grinding tool according to claim 1, characterized in that: The grinding block (21) is detachably arranged on the positioning block (2), and a fixing piece for fixing the grinding block (21) is arranged on the positioning block (2).

10. The eccentric ceramic ball grinding tool according to claim 9, characterized in that: The fixing member comprises a screw sleeve (22), a mounting groove (23) is provided on the positioning block (2), a mounting block (211) matched with the mounting groove (23) is provided on the grinding block (21), a side wall of the positioning block (2) is provided with an external thread matched with the screw sleeve (22), and a receiving portion (221) is provided at the end of the screw sleeve (22), and the receiving portion (221) is used to abut against the end of the grinding block (21).

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