Clamping tooth and positioning and clamping device for bearing machining and polishing

Abstract

The invention relates to a clamping tooth and a positioning and clamping device for bearing machining and polishing. Comprising a sliding seat and clamping teeth arranged on the sliding seat, the two clamping teeth are arranged side by side, the opposite sides of the two clamping teeth are planes and are slidably installed in the sliding seat, supporting springs are arranged at the lower ends of the two clamping teeth, and the two clamping upper ends extend out of the sliding seat under the action of the supporting springs. The opposite sides of the upper ends of the two clamping teeth are each provided with a guide inclined face. According to the technical scheme, one of the clamping teeth retracts under the elastic supporting effect of the supporting spring when the clamping teeth make contact with the outer ring or the inner ring of the bearing, resistance formed by the outer ring or the inner ring of the bearing is dispersed, a part of the resistance is absorbed, the counter-acting force borne by the clamping teeth can be reduced, and a certain protection effect on the clamping teeth is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of bearing processing equipment, and in particular to a clamping tooth and a positioning clamping device for bearing processing and grinding. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy.

[0003] The bearing is generally composed of an inner ring, an outer ring and a rolling support part located between the inner ring and the outer ring. The inner ring and the outer ring are respectively fixed on two relatively rotating structures. When the two relatively rotating structures move, the friction caused by the rotation is reduced by the rolling support structure.

[0004] The inner ring surface of the inner ring of the bearing and the outer ring surface of the outer ring are both provided with annular grooves for accommodating the rolling support structure. The smoothness of the annular grooves directly affects the performance of the bearing and needs to be polished.

[0005] During the processing, for small and medium-sized bearings, the inner ring or outer ring of the bearing is usually clamped on the rotating part, that is, the inner ring or outer ring rotates while the grinding structure is stationary for grinding;

[0006] For large-sized bearings, since the weight of the inner ring or outer ring is large and it is not conducive to maintaining stability during rotation, the inner ring or outer ring is fixed and clamped, and the grinding structure rotates around the inner ring or outer ring for grinding;

[0007] When fixing, a chuck is usually used for clamping and fixing. The chuck is provided with multiple clamping teeth that can move inward or outward synchronously. The inner ring or outer ring of the bearing is fixed by multiple clamping teeth. However, the outer ring or inner ring is not placed at the center of the rotation trajectory of the grinding structure. When the clamping teeth move, they need to push the outer ring or inner ring to move on the chuck. When the clamping teeth contact the inner ring or outer ring, they will encounter greater resistance, which will affect the structural stability of the clamping teeth. Summary of the invention

[0008] In view of this, the purpose of the present invention is to provide a clamping tooth and a positioning clamping device for bearing processing and grinding, so as to solve the problem that in the prior art, the outer ring or inner ring of a large-size bearing needs to be pushed by the clamping tooth to move on the chuck during the clamping process, and the clamping tooth will encounter greater resistance when contacting the inner ring or outer ring of the bearing, which affects the structural stability of the clamping tooth.

[0009] The present invention is achieved through the following technical solutions:

[0010] A clamping finger includes a sliding seat and clamping teeth arranged on the sliding seat, wherein two clamping teeth are arranged in parallel, and the opposite sides of the two clamping teeth are both flat, and both are slidably installed in the sliding seat, and the lower ends of the two clamping teeth are provided with supporting springs. Under the action of the supporting springs, the two clamping upper ends extend out of the sliding seat, and the opposite sides of the upper ends of the two clamping teeth are provided with guiding inclined surfaces.

[0011] It is further defined that the top surface of the sliding seat is provided with a mounting groove, a transverse partition is provided in the mounting groove, and the partition is used to divide the first chamber located above the partition and the second chamber located below the partition, the two clamping fingers are slidably installed in the first chamber, and the partition is provided with a sliding hole opposite to the lower ends of the two clamping fingers;

[0012] The lower ends of the two clamping fingers are connected with a push rod, which passes through the sliding hole and extends into the second chamber. The support spring is arranged in the second chamber, and the upper and lower ends are respectively against the end of the push rod and the bottom of the second chamber.

[0013] It is further defined that the second chamber contains hydraulic oil, and the push rod and the sliding hole are sealed and matched.

[0014] It is further defined that a limit block is provided at one end of the push rod away from the clamping teeth, and the inner diameter of the sliding hole is smaller than the outer diameter of the limit block.

[0015] It is further defined that a slot is formed at one end of the limiting ring facing the supporting spring, and the end of the supporting spring is inserted into the slot.

[0016] A positioning clamping device for bearing processing and grinding, comprising a circular fixed plate, a plurality of strip-shaped guide slots are provided on the fixed plate, the plurality of guide slots extend along the radial direction of the fixed plate and are evenly distributed along the circumferential direction of the fixed plate, a plurality of sliding seats correspond to the plurality of guide slots one by one, and are respectively matched in the plurality of guide slots;

[0017] The top of the sliding seat is located in the guide slot, and the upper end of the clamping teeth protrudes out of the guide slot;

[0018] A driving part is arranged below the fixed plate, and the driving part is used for driving a plurality of sliding seats to slide along the guide slide groove synchronously and in the same direction.

[0019] It is further defined that both sides of the sliding seat adjacent to the inner walls of the guide slot are planar structures.

[0020] It is further defined that the driving part includes a circular rotating disk, the rotating disk is provided with a push chute corresponding to a plurality of guide chute one by one, the plurality of push chute are evenly distributed along the circumferential direction of the rotating disk, and one end of the push chute is close to the center of the rotating disk and overlaps with an inner end of the guide chute, and the other end of the push chute extends toward the outer edge of the rotating disk, and the extension direction intersects with the radial direction of the rotating disk;

[0021] The lower end of the sliding seat is slidably connected in the pushing sliding groove, and the center of the bottom surface of the rotating disk is connected with a connecting seat.

[0022] It is further defined that a pad protruding toward all sides is provided in the middle of the sliding seat, the pad is located between the rotating disk and the fixed disk, and the widths of the pushing slide groove and the guide slide groove are both smaller than the width of the pad.

[0023] It is further defined that support plates are provided on both side walls of the sliding seat facing both ends of the sliding groove, the support plates are fitted with pads, and support ribs are provided between the pads and the side walls of the sliding seat.

[0024] The beneficial effects of the present invention are:

[0025] When the clamping teeth and the positioning clamping device for bearing processing and grinding come into contact with the outer ring or inner ring of the bearing, one of the clamping teeth retracts under the elastic support of the support spring, thereby dispersing and absorbing part of the resistance formed by the outer ring or inner ring of the bearing, thereby reducing the reaction force received by the clamping teeth and providing a certain degree of protection for the clamping teeth.

[0026] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional diagram of the clamping teeth;

[0028] Figure 2 It is the front view of the clamping teeth;

[0029] Figure 3 Left side view of the clamping teeth;

[0030] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of AA;

[0031] Figure 5 A three-dimensional positioning clamping device for bearing processing and grinding Figure 1 ;

[0032] Figure 6 A three-dimensional positioning clamping device for bearing processing and grinding Figure 2 ;

[0033] Figure 7 It is a schematic diagram of the cross-sectional structure of a positioning and clamping device used for bearing processing and grinding;

[0034] Figure 8 for Figure 7 Enlarged view of middle B;

[0035] In the figure: 1. sliding seat; 2. clamping teeth; 3. supporting spring; 4. guiding inclined plane; 5. transverse partition; 6. first chamber; 7. second chamber; 8. push rod; 9. sliding hole; 10. limiting block; 11. slot; 12. fixing plate; 13. guiding slide groove; 14. rotating plate; 15. pushing slide groove; 16. connecting seat; 17. pad; 18. supporting plate; 19. supporting rib plate. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] In the above description of the present invention, it should be noted that the terms "one side", "the other side", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] In addition, the term "same" does not mean that the parts must be absolutely the same, but slight differences are allowed. The term "vertical" only means that the positional relationship between the parts is more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly tilted.

[0041] See also Figure 1-4 The present invention provides a technical solution: a clamping finger, comprising a sliding seat 1 and a clamping tooth 2 arranged on the sliding seat 1, wherein two clamping teeth 2 are arranged in parallel, and the opposite sides of the two clamping teeth 2 are both flat, and are both slidably installed in the sliding seat 1, and the lower ends of the two clamping teeth 2 are provided with a supporting spring 3, and under the action of the supporting spring 3, the two clamping upper ends are both extended out of the sliding seat 1, and the opposite sides of the upper ends of the two clamping teeth 2 are both provided with a guiding inclined surface 4.

[0042] A plurality of clamping fingers cooperate to clamp and fix the outer ring or inner ring of the bearing, wherein the sliding seat 1 serves as the installation base of the clamping teeth 2, the upper end of the clamping teeth 2 extends out of the sliding seat 1 as the contact part with the outer ring or inner ring of the bearing, two clamping teeth 2 are arranged in parallel and the opposite sides are both provided with guide inclined surfaces 4, the arrangement direction of the two clamping teeth 2 is the moving direction of the sliding seat 1, that is, when the sliding seat 1 moves in one direction, one of the clamping teeth 2 contacts the outer ring or inner ring of the bearing, and when the sliding seat 1 moves in another direction, the other clamping teeth 2 contacts the outer ring or inner ring of the bearing, and contacts the outer ring or inner ring of the bearing through the guide inclined surfaces 4 when in contact;

[0043] Since the lower ends of the two clamping teeth 2 are supported by the supporting springs 3, when the upper ends of the clamping teeth 2 contact the outer ring or inner ring of the bearing through the guiding bevel 4, the guiding bevel 4 disperses the reaction force exerted by the outer ring or inner ring of the bearing into a lateral thrust and a longitudinal thrust, the clamping teeth 2 contacting the outer ring or inner ring of the bearing will overcome the thrust of the supporting spring 3 under the action of the longitudinal thrust and slide downward and retract into the sliding seat 1, then the outer ring or inner ring of the bearing will abut against the side of another clamping tooth 2, and then will move under the push of the side of the other clamping tooth 2, so that the position of the outer ring or inner ring of the bearing is adjusted and the outer ring or inner ring of the bearing is clamped and fixed by multiple clamping teeth 2, and when contacting the outer ring or inner ring of the bearing, one of the clamping teeth 2 retracts under the elastic support of the supporting spring 3, so that the resistance formed by the outer ring or inner ring of the bearing is dispersed and absorbed, which can reduce the reaction force received by the clamping teeth 2 and play a certain protective role for the clamping teeth 2.

[0044] In this embodiment, the top surface of the sliding seat 1 is provided with a mounting groove, a transverse partition 5 is arranged in the mounting groove, and the partition is used to divide the first chamber 6 located above the partition and the second chamber 7 located below the partition, the two clamping fingers are slidably installed in the first chamber 6, and the partition is provided with a sliding hole 9 opposite to the lower ends of the two clamping fingers;

[0045] The lower ends of the two clamping fingers are connected to a push rod 8, which extends into the second chamber 7 through a sliding hole 9. The support spring 3 is arranged in the second chamber 7, and the upper and lower ends are respectively against the end of the push rod 8 and the bottom of the second chamber 7.

[0046] The mounting groove is divided by a transverse partition 5 to form a first chamber 6 and a second chamber 7. The first chamber 6 is used for the installation of two clamping teeth 2, and the second chamber 7 is used for the installation of a support spring 3. A sliding hole 9 corresponding to the two clamping teeth 2 is opened on the transverse partition 5. The lower ends of the two clamping teeth 2 are connected to a push rod 8, and the push rod 8 is slidably matched with the sliding hole 9. The push rod 8 serves as a structural extension of the clamping teeth 2 and can be limited by the sliding hole 9, so that the morphological stability of the clamping teeth 2 during the sliding process is improved. At the same time, the push rod 8 also serves as a contact portion with the support spring 3, and serves as a force transmission structure for the support spring 3 to apply elastic force to the clamping teeth 2.

[0047] In this embodiment, the second chamber 7 contains hydraulic oil, and the push rod 8 and the sliding hole 9 are sealed.

[0048] The push rod 8 is sealed with the sliding hole 9, that is, the second chamber 7 will form a closed chamber filled with hydraulic oil. When one of the clamping teeth 2 is retracted into the sliding seat 1, the push rod 8 connected thereto will also extend into the second chamber 7, that is, the hydraulic oil in the second chamber 7 will be squeezed, and the other clamping tooth 2 will be pushed out of the sliding seat 1 through pressure transmission;

[0049] In the initial state, that is, when the two clamping teeth 2 are not in contact with the outer ring or the inner ring of the bearing, the upper ends of the two clamping teeth 2 are both extended out of the sliding seat 1;

[0050] During the clamping process, when one of the clamping teeth 2 contacts the outer ring or inner ring of the bearing, it will shrink into the sliding seat 1, and the other clamping tooth 2 will extend;

[0051] It can reduce the length of the two clamping teeth 2 protruding outside the sliding seat 1 in the initial state, and reduce the risk of the outer ring or inner ring of the bearing colliding with the clamping teeth 2 during lifting and moving;

[0052] When the outer ring or inner ring of the bearing is separated, one of the squeezed and contracted teeth 2 will extend out under the elastic restoring action of the support spring 3, and at the same time, the other extended tooth 2 will be pulled back through the transmission of hydraulic oil, so that the two teeth 2 return to their initial state.

[0053] In this embodiment, a limiting block 10 is provided at one end of the push rod 8 away from the clamping teeth 2 , and the inner diameter of the sliding hole 9 is smaller than the outer diameter of the limiting block 10 .

[0054] The limit block 10 can be used as a sliding limit structure for the push rod 8 . Its outer diameter is larger than the outer diameter of the sliding hole 9 , so that the maximum moving distance of the push rod 8 can be limited to prevent the push rod 8 from sliding out of the second chamber 7 .

[0055] In this embodiment, a slot 11 is formed on one end of the limiting ring facing the supporting spring 3 , and the end of the supporting spring 3 is inserted into the slot 11 .

[0056] The limit block 10 serves as a structural extension of the push rod 8. The end face of the limit block 10 is provided with a slot 11 for engaging with the end of the support spring 3, so that the support spring 3 and the push rod 8 remain connected, avoiding the support spring 3 from being separated from the push rod 8 during the movement of the push rod 8, thereby improving the overall structural stability.

[0057] See also Figure 5-8 The present invention provides a technical solution: a positioning and clamping device for bearing processing and grinding, comprising a circular fixed plate 12, on which a plurality of strip-shaped guide slots 13 are provided, the plurality of guide slots 13 extend along the radial direction of the fixed plate 12, and are evenly distributed along the circumferential direction of the fixed plate 12, and the plurality of sliding seats 1 correspond to the plurality of guide slots 13 one by one, and are respectively matched in the plurality of guide slots 13;

[0058] The top of the sliding seat 1 is located in the guide slot 13, and the upper end of the clamping teeth 2 protrudes out of the guide slot 13;

[0059] A driving unit is disposed below the fixed plate 12 , and the driving unit is used to drive a plurality of sliding seats 1 to slide along the guide slots 13 synchronously and in the same direction.

[0060] The fixed plate 12 can be connected to a fixed structure such as a machine base or a workbench to be in a fixed state. The guide groove 13 serves as a sliding track for the sliding seat 1. Under the action of the driving unit, multiple sliding seats 1 move synchronously and in the same direction along the guide groove 13 to move the outer ring or inner ring of the bearing, and the outer ring or inner ring of the bearing is clamped and fixed by the clamping teeth 2.

[0061] Specifically, when used for grinding the inner ring surface of the outer ring of the bearing or the inner ring surface of the inner ring of the bearing, first adjust the sliding of the plurality of sliding seats 1 so that the plurality of sliding seats 1 are located at the outer end of the guide slot 13, and then the outer ring or the inner ring of the bearing is hoisted and placed between the plurality of sliding seats 1, and then the plurality of sliding seats 1 are synchronously moved inwards by the driving unit, and when moving inwards, the top of an inner clamping tooth 2 contacts the outer ring or the inner ring of the bearing through the guide slope 4, and contracts inwards under the action of the guide slope 4 to overcome the elastic force of the support spring 3;

[0062] When used for grinding the outer ring surface of the outer ring of the bearing or the outer ring surface of the inner ring of the bearing, first adjust the sliding of the plurality of sliding seats 1 so that the plurality of sliding seats 1 are located at the inner end of the guide slot 13, and then the outer ring or inner ring of the bearing is hoisted and placed between the plurality of sliding seats 1, and then the plurality of sliding seats 1 are synchronously moved outward by the driving part. When moving outward, the top of the outer clamping tooth 2 contacts the outer ring or inner ring of the bearing through the guide inclined surface 4, and contracts inward under the action of the guide inclined surface 4 to overcome the elastic force of the support spring 3;

[0063] The two clamping teeth 2 are respectively located on both sides of the sliding track. It is only necessary to adjust the initial position of the sliding seat 1 to be suitable for processing and grinding the outer ring surface or inner ring surface of the outer ring or inner ring of the bearing. It has high adaptability and is simple and convenient to operate.

[0064] In this embodiment, both sides of the inner wall of the sliding seat 1 close to the guide slot 13 are planar structures.

[0065] The two sides of the sliding seat 1 against the inner walls of the guide slot 13 are the direct contact parts with the inner walls of the guide slot 13. It is a planar structure, that is, it can maintain a fit with the inner walls of the guide slot 13. Through cooperation, it can limit the sliding seat 1, and can prevent the sliding seat 1 from rotating during the sliding process and changing the direction of the two clamping teeth 2, thereby improving the stability of the overall structure.

[0066] In this embodiment, the driving part includes a circular rotating disk 14, on which a push chute 15 is opened, which is opposite to the plurality of guide chute 13 one by one, and the plurality of push chute 15 is evenly distributed along the circumferential direction of the rotating disk 14, and one end of the push chute 15 is close to the center of the rotating disk 14 and overlaps with the inner end of the guide chute 13, and the other end of the push chute 15 extends to the outer edge of the rotating disk 14, and the extension direction intersects with the radial direction of the rotating disk 14;

[0067] The lower end of the sliding seat 1 is slidably connected in the pushing slide groove 15 , and the center of the bottom surface of the rotating disk 14 is connected with a connecting seat 16 .

[0068] A connecting seat 16 is provided at the center of the bottom surface of the rotating disk 14. The connecting seat 16 may be a structure such as a spline hole, a spline shaft or a coupling, and may be connected to a power transmission structure such as a transmission shaft. A push slide groove 15 is provided on the connecting seat 14, and the lower end of the sliding seat 1 is slidably matched in the push slide groove 15.

[0069] The extension direction of the push slide groove 15 intersects with the extension direction of the guide slide groove 13, and the angle between the two is preferably in the range of 30° to 60°, and the optimal angle is 45°;

[0070] The pushing chute 15 rotates synchronously with the rotating disk 14 . During the rotation process, the side wall of the pushing chute 15 cooperates with the guiding chute 13 to squeeze and push the sliding seat 1 , so that the sliding seat 1 moves along the guiding chute 13 .

[0071] In this embodiment, a pad 17 protruding toward the periphery is provided in the middle of the sliding seat 1 , and the pad 17 is located between the rotating disk 14 and the fixed disk 12 . The widths of the pushing slide 15 and the guide slide 13 are both smaller than the width of the pad 17 .

[0072] The pad 17 supports the sliding seat 1 so that the sliding seat 1 is held in a fixed position by the rotating disk 14 and the fixed disk 12 , thereby improving the stability of the overall structure.

[0073] In this embodiment, support plates 18 are provided on both side walls of the sliding seat 1 facing both ends of the sliding groove. The support plates 18 are in contact with the pads 17 . Support ribs 19 are provided between the pads 17 and the side walls of the sliding seat 1 .

[0074] The two directions facing the two ends of the sliding groove of the sliding seat 1 are the directions of the reaction force formed by the outer ring or inner ring of the bearing when in use. Support plates 18 are set on the two sides opposite to the sliding seat 1. The support plates 18 are located on the pads 17 and supported by the ribs and the sliding seat 1. They can form support during the clamping process to assist in overcoming the reaction force and further improve the stability of the overall structure.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A clamping finger, comprising a sliding seat and clamping teeth arranged on the sliding seat, characterized in that: The two clamping teeth are arranged in parallel, and the opposite sides of the two clamping teeth are flat, and are slidably installed in the sliding seat. The lower ends of the two clamping teeth are provided with supporting springs. Under the action of the supporting springs, the two clamping upper ends extend out of the sliding seat, and the opposite sides of the upper ends of the two clamping teeth are provided with guiding inclined surfaces.

2. The clamping finger according to claim 1, characterized in that: The top surface of the sliding seat is provided with a mounting groove, a transverse partition is arranged in the mounting groove, and the partition is used to divide the first chamber located above the partition and the second chamber located below the partition, the two clamping fingers are slidably installed in the first chamber, and the partition is provided with a sliding hole opposite to the lower ends of the two clamping fingers; The lower ends of the two clamping fingers are connected with a push rod, which passes through the sliding hole and extends into the second chamber. The support spring is arranged in the second chamber, and the upper and lower ends are respectively against the end of the push rod and the bottom of the second chamber.

3. The clamping finger according to claim 2, characterized in that: The second chamber contains hydraulic oil, and the push rod and the sliding hole are sealed.

4. The clamping finger according to claim 2, characterized in that: A limiting block is arranged at one end of the push rod away from the clamping teeth, and the inner diameter of the sliding hole is smaller than the outer diameter of the limiting block.

5. The clamping finger according to claim 4, characterized in that: The limiting ring is provided with a slot facing one end of the supporting spring, and the end of the supporting spring is inserted into the slot.

6. A positioning clamping device for bearing processing and grinding comprises a plurality of clamping fingers as claimed in any one of claims 1 to 5, characterized in that: It comprises a circular fixed plate, on which a plurality of strip-shaped guide slots are provided, the plurality of guide slots extend along the radius direction of the fixed plate and are evenly distributed along the circumference direction of the fixed plate, and the plurality of sliding seats correspond to the plurality of guide slots one by one and are respectively matched in the plurality of guide slots; The top of the sliding seat is located in the guide slot, and the upper end of the clamping teeth protrudes out of the guide slot; A driving part is arranged below the fixed plate, and the driving part is used for driving a plurality of sliding seats to slide along the guide slide groove synchronously and in the same direction.

7. The positioning and clamping device for bearing processing and grinding according to claim 6 is characterized in that: Both sides of the sliding seat adjacent to the inner walls of the guide slots are planar structures.

8. The positioning and clamping device for bearing processing and grinding according to claim 6 or 7, characterized in that: The driving part includes a circular rotating disk, on which a push chute is formed, which is opposite to a plurality of guide chute one by one, and the plurality of push chute are evenly distributed along the circumferential direction of the rotating disk, and one end of the push chute is close to the center of the rotating disk and overlaps with an inner end of the guide chute, and the other end of the push chute extends toward the outer edge of the rotating disk, and the extension direction intersects with the radial direction of the rotating disk; The lower end of the sliding seat is slidably connected in the pushing sliding groove, and the center of the bottom surface of the rotating disk is connected with a connecting seat.

9. The positioning and clamping device for bearing processing and grinding according to claim 8 is characterized in that: A pad protruding toward all sides is arranged in the middle of the sliding seat, and the pad is located between the rotating disk and the fixed disk. The widths of the pushing slide groove and the guide slide groove are both smaller than the width of the pad.

10. The positioning and clamping device for bearing processing and grinding according to claim 9, characterized in that: The two side walls of the sliding seat facing the two ends of the sliding groove are provided with support plates, the support plates are fitted with the pads, and support ribs are provided between the pads and the side walls of the sliding seat.

Images