Grinding wheel dressing transmission mechanism of bearing grinding machine
By using high-precision guide rails and precision ball screws in the grinding wheel dressing equipment, the servo motor controls the sliding of the grinding wheel dressing mount, which solves the accuracy and clearance of the transmission mechanism of the existing equipment, improves the grinding quality and accuracy, and simplifies the operation process.
Patent Information
- Application Number
- CN202421845720.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The transmission mechanism of the existing grinding wheel dressing equipment has accuracy and clearance problems, which leads to errors in the compensation feed during grinding wheel dressing, resulting in large dimensional dispersion when grinding workpieces, and inconvenient grinding wheel replacement and manual adjustment.
Using high-precision guide rails and C1-grade precision ball screws, the servo motor controls the grinding wheel trimming mount slides along the high-precision guide rails to ensure accurate feeding.
The grinding quality of the grinding wheel is improved, the subsequent grinding quality of the bearing product is ensured, the size difference is reduced, and the grinding wheel is simplified.
Smart Images
Figure CN222874243U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearing processing, in particular to a grinding wheel dressing transmission mechanism for a bearing grinder. Background Art
[0002] The existing grinding wheel dressing equipment has a transmission mechanism driven by hydraulic drive, which drives the ratchet, the ratchet drives the gear, and the gear drives the screw to the guide rail. Due to the accuracy and clearance problems of the meshing teeth between the ratchet and the gear, there is an error in the compensation feed amount each time the grinding wheel is dressed, resulting in an inconsistent compensation amount with the workpiece, resulting in a large dimensional dispersion when grinding the workpiece, and it is extremely inconvenient to manually set the tool when changing the grinding wheel and manually adjusting. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a grinding wheel dressing transmission mechanism for a bearing grinder in view of the deficiencies of the above-mentioned prior art.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0005] A grinding wheel dressing transmission mechanism for a bearing grinder comprises a bed, a high-precision guide rail is installed on the surface of the bed, a grinding wheel dressing mounting seat is connected to the high-precision guide rail, a mounting area is arranged on the side of the grinding wheel dressing mounting seat, a diamond pen mounting seat is connected to the mounting area, a diamond pen is connected to the diamond pen mounting seat, a servo motor is installed on the bed, a ball screw is connected to the output shaft of the servo motor, a nut seat is connected to the ball screw, and the nut seat is connected to the bottom of the grinding wheel dressing mounting seat.
[0006] Furthermore, the high-precision guide rail adopts a cross roller guide rail, and waist grooves are processed on both sides of the bottom of the grinding wheel dressing mounting seat, and the waist grooves are connected to the movable ends of the cross roller guide rails through first screws.
[0007] Furthermore, the ball screw adopts a C1 grade precision ball screw.
[0008] Furthermore, the output shaft of the servo motor is connected to one end of the ball screw through a connecting joint, the output shaft of the servo motor and the end of the ball screw are processed with square holes, the two ends of the connecting joint are processed with square heads, the square heads are inserted into the square holes, and threaded holes are processed on the square heads. The square heads are locked on the output shaft of the servo motor and the ball screw by a second screw, a spring washer and a gasket.
[0009] Furthermore, the diamond pen mounting seat adopts a bow-shaped structure.
[0010] Furthermore, a position sensor 1 and a position sensor 2 are installed on the bed through a bracket, and the position sensor 1 and the position sensor 2 face the nut seat.
[0011] Compared with the prior art, the utility model provides a bearing grinder grinding wheel dressing transmission mechanism, which adopts high-precision guide rails and ball screws, and a servo motor controls the grinding wheel dressing mounting seat to slide along the high-precision guide rails, thereby ensuring accurate feed amount, improving the grinding quality of the grinding wheel, and ensuring the subsequent grinding quality of the bearing product. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 This is a schematic diagram of the structure of the connection between the output shaft of the servo motor and the ball screw of the utility model;
[0014] Among them, 1. Bed, 2. High-precision guide rail, 3. Grinding wheel dressing mount, 4. Waist groove, 5. Diamond pen mount, 6. Diamond pen, 7. Servo motor, 8. Ball screw, 9. Nut seat, 10. Connecting joint, 11. Square hole, 12. Square head, 13. Position sensor 1, 14. Position sensor 2. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the present utility model will be described clearly and completely below.
[0016] like Figure 1 and Figure 2 As shown, a bearing grinder grinding wheel dressing transmission mechanism includes a bed 1, a high-precision guide rail 2 is installed on the surface of the bed 1, the high-precision guide rail 2 adopts the cross roller guide rail of THK company, the length of the cross roller guide rail is 20cm~30cm, the high-precision guide rail 2 is connected to a grinding wheel dressing mounting seat 3, waist grooves 4 are processed on both sides of the bottom of the grinding wheel dressing mounting seat 3, the waist groove 4 is connected to the active end of the cross roller guide by a first screw, and the position of the grinding wheel dressing mounting seat 3 is fine-tuned, and an installation area is set on the side of the grinding wheel dressing mounting seat 3, a diamond pen mounting seat 5 is connected in the installation area, a diamond pen 6 is connected to the diamond pen mounting seat 5, and the diamond pen mounting seat 5 adopts a bow structure to adapt to the shape of the grinding wheel.
[0017] A servo motor 7 is installed on the bed 1 , and a ball screw 8 is connected to the output shaft of the servo motor 7 . A nut seat 9 is connected to the ball screw 8 , and the nut seat 9 is connected to the bottom of the grinding wheel dressing mounting seat 3 .
[0018] In this embodiment, the ball screw 8 adopts a C1 grade precision ball screw 8 .
[0019] The output shaft of the servo motor 7 is connected to one end of the ball screw 8 through a connecting joint 10, wherein the output shaft of the servo motor 7 and the end of the ball screw 8 are processed with a square hole 11, and the connecting joint 10 is processed with square heads 12 at both ends, and the square head 12 is inserted into the square hole 11, and a threaded hole is processed on the square head 12. The square head 12 is locked on the output shaft of the servo motor 7 and the ball screw 8 by a second screw, a spring washer and a gasket, and the output shaft of the servo motor 7 is connected to the ball screw 8 through the connecting joint, which is convenient for installation and disassembly.
[0020] A position sensor 13 and a position sensor 2 14 are installed on the bed 1 through a bracket. The position sensor 1 13 and the position sensor 2 14 face the nut seat to limit the forward and backward movement position of the nut seat 9.
[0021] The present invention is not limited to the described embodiments. Those skilled in the art may make some modifications or changes without departing from the spirit and scope of the present invention, that is, within the scope of disclosure. Therefore, the scope of protection of the present invention shall be subject to the scope defined in the claims.
Claims
1. A bearing grinding wheel dressing transmission mechanism, characterized in that: The invention comprises a bed, the surface of which is provided with a high-precision guide rail, a grinding wheel dressing mounting seat is connected to the high-precision guide rail, a mounting area is arranged on the side of the grinding wheel dressing mounting seat, a diamond pen mounting seat is connected to the mounting area, a diamond pen is connected to the diamond pen mounting seat, a servo motor is mounted on the bed, a ball screw is connected to the output shaft of the servo motor, a nut seat is connected to the ball screw, and the nut seat is connected to the bottom of the grinding wheel dressing mounting seat.
2. A bearing grinding wheel dressing transmission mechanism according to claim 1, characterized in that: The high-precision guide rail adopts a cross roller guide rail, and waist grooves are processed on both sides of the bottom of the grinding wheel dressing mounting seat. The waist grooves are connected to the movable ends of the cross roller guide rails through first screws.
3. A bearing grinding wheel dressing transmission mechanism according to claim 1, characterized in that: The ball screw adopts a C1 grade precision ball screw.
4. A bearing grinding wheel dressing transmission mechanism according to claim 1, characterized in that: The output shaft of the servo motor is connected to one end of the ball screw through a connecting joint. The output shaft of the servo motor and the end of the ball screw are processed with square holes. Both ends of the connecting joint are processed with square heads, which are inserted into the square holes. The square heads are processed with threaded holes. The square heads are locked on the output shaft of the servo motor and the ball screw by a second screw, a spring washer and a gasket.
5. The bearing grinding wheel dressing transmission mechanism according to claim 1, characterized in that: The diamond pen mounting seat adopts an arched structure.
6. The bearing grinding wheel dressing transmission mechanism according to claim 1, characterized in that: A position sensor 1 and a position sensor 2 are installed on the bed through a bracket, and the position sensor 1 and the position sensor 2 face the nut seat.