Positioning clamp for bearing roller machining
By designing a positioning fixture for machining bearing rollers, a stable clamping and automatic ejection are achieved using gear and hydraulic cylinder assemblies, solving the problems of unstable clamping and inconvenient ejection in existing fixtures, and improving machining accuracy and efficiency.
Patent Information
- Application Number
- CN202422429479.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-10-09
AI Technical Summary
Existing positioning fixtures for bearing roller machining have poor clamping stability and are not convenient for automatically ejecting the machined bearing rollers.
A positioning fixture was designed, comprising components such as a fixed shaft, a gear mounting block, a sector gear, a transmission connecting rod, a rotating connecting bracket, and a hydraulic cylinder. The fixture achieves stable clamping and automatic ejection functions through the cooperation of the hydraulic cylinder and the rotating connecting bracket.
It achieves stable clamping of bearing rollers, improves machining accuracy, and can automatically eject and collect the machined rollers, thus improving machining efficiency.
Smart Images

Figure CN223545057U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bearing roller processing technology, specifically a positioning fixture for bearing roller processing. Background Technology
[0002] Bearing rollers are the load-bearing components of a bearing during operation. They are the weakest parts in a roller bearing, and their quality has a significant impact on the bearing's performance and is a major factor affecting its service life. Rollers are classified by shape and size into tapered rollers, cylindrical rollers, spherical rollers, helical rollers, and needle rollers, etc. Positioning fixtures are required during the production and processing of bearing rollers. However, existing positioning fixtures for bearing roller processing have poor stability in holding bearing rollers and are not convenient for automatically ejecting the processed bearing rollers. Utility Model Content
[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a positioning fixture for machining bearing rollers, which facilitates stable clamping of bearing rollers, ensures that the bearing rollers will not shift during the machining process, improves machining accuracy, and can automatically eject the machined bearing rollers, saving time and effort, and can effectively solve the problems in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] A positioning fixture for machining bearing rollers includes a machining platform. Two fixed shafts are provided at one end of the upper surface of the machining platform. A gear mounting block is rotatably connected to each fixed shaft. A sector gear is mounted on the side of each of the two gear mounting blocks. A transmission connecting rod is provided on the front side of each of the two gear mounting blocks. A first rotating connecting bracket is rotatably connected at the middle position of each of the two transmission connecting rods. A second hydraulic cylinder is installed between the two first rotating connecting brackets. A second rotating connecting bracket is rotatably connected to the front end of each of the two transmission connecting rods. A clamping rod is connected to the front side of each of the two second rotating connecting brackets. A guide fixing bracket that cooperates with the clamping rod is provided at the other end of the upper surface of the machining platform. A material ejector assembly is provided at one end of the lower surface of the machining platform, and a material storage assembly is provided at the other end of the lower surface of the machining platform.
[0006] As a preferred technical solution of this utility model, the two sector gears are meshed and connected.
[0007] As a preferred embodiment of this utility model, each end of the two clamping rods is connected to a clamping block that cooperates with each other, and the side of the clamping block is provided with a first fixing groove.
[0008] As a preferred embodiment of this utility model, the side of the clamping rod is provided with a guide groove that cooperates with the guide fixing bracket.
[0009] As a preferred embodiment of this utility model, the top material assembly includes a hydraulic cylinder mounting plate located at the edge of the lower surface of the processing platform. A first hydraulic cylinder is mounted on the side of the hydraulic cylinder mounting plate. The telescopic end of the first hydraulic cylinder is connected to a top material frame. A temporary storage box bracket is provided on the lower surface of the side of the top material frame with a second fixing groove. A placement groove is provided on the upper surface of the temporary storage box bracket. A finished product temporary storage box is installed in the placement groove. Two handles are symmetrically provided on the outer side of the finished product temporary storage box.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] This positioning fixture for machining bearing rollers, through the configuration of a first rotating connecting bracket and a second hydraulic cylinder, along with two sets of transmission connecting rods, a fixed shaft, a sector gear, a gear mounting block, a first fixed groove, a clamping block, a clamping rod, a guide groove, and a guide fixing bracket, facilitates stable clamping of the bearing rollers, ensuring that the bearing rollers do not shift during machining and improving machining accuracy. The hydraulic cylinder mounting plate, the first hydraulic cylinder, the ejector, and the second fixed groove enable automatic ejection of the machined bearing rollers. The placement groove, the finished product storage box, the storage box bracket, and the handle facilitate the collection and temporary storage of the machined bearing rollers. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 This is a schematic diagram of the structure from another direction of the present invention.
[0014] Figure 3 This is a partial cross-sectional structural diagram of the present invention.
[0015] In the diagram: 1. Processing platform; 2. First rotating connecting bracket; 3. Transmission connecting rod; 4. Fixed shaft; 5. Sector gear; 6. Second rotating connecting bracket; 7. Top material rack; 8. First fixing groove; 9. Clamping block; 10. Placement groove; 11. Finished product temporary storage box; 12. Hydraulic cylinder mounting plate; 13. First hydraulic cylinder; 14. Temporary storage box bracket; 15. Handle; 16. Second fixing groove; 17. Clamping rod; 18. Guide groove; 19. Guide fixing bracket; 20. Second hydraulic cylinder; 21. Gear mounting block. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Please see Figure 1-3 This utility model provides a technical solution:
[0018] A positioning fixture for machining bearing rollers includes a machining platform 1. Two fixed shafts 4 are provided at one end of the upper surface of the machining platform 1. A gear mounting block 21 is rotatably connected to each fixed shaft 4. A sector gear 5 is mounted on the side of each of the two gear mounting blocks 21. A transmission connecting rod 3 is provided on the front side of each of the two transmission connecting rods 21. A first rotating connecting bracket 2 is rotatably connected at the middle position of each of the two transmission connecting rods 3. A second hydraulic cylinder 20 is installed between the two first rotating connecting brackets 2. A second rotating connecting bracket 6 is rotatably connected to the front end of each of the two transmission connecting rods 3. A clamping rod 17 is connected to the front side of each of the two second rotating connecting brackets 6. A guide fixing bracket 19 that cooperates with the clamping rod 17 is provided at the other end of the upper surface of the machining platform 1. A material ejector assembly is provided at one end of the lower surface of the machining platform 1, and a material storage assembly is provided at the other end of the lower surface of the machining platform 1.
[0019] Two sector gears mesh together.
[0020] Each end of the two clamping rods 17 is connected to a clamping block 9 that cooperates with each other, and the side of the clamping block 9 is provided with a first fixing groove 8.
[0021] The side of the clamping rod 17 is provided with a guide groove 18 that cooperates with the guide fixing bracket 19.
[0022] The top material assembly includes a hydraulic cylinder mounting plate 12 located at the edge of the lower surface of the processing platform 1. A first hydraulic cylinder 13 is mounted on the side of the hydraulic cylinder mounting plate 12. The telescopic end of the first hydraulic cylinder 13 is connected to a top material frame 7. A second fixing groove 16 is provided on the side of the top material frame 7.
[0023] The material storage component includes a storage box bracket 14 connected to the lower surface of the processing platform 1. The upper surface of the storage box bracket 14 is provided with a placement groove 10, and a finished product storage box 11 is installed in the placement groove 10. Two handles 15 are symmetrically provided on the outer side of the finished product storage box 11.
[0024] The second hydraulic cylinder 20, in conjunction with the first rotating connecting bracket 2, drives the two transmission connecting rods 3 to rotate at a certain angle around their respective fixed shafts 4. Two meshing sector gears 5 enhance the stability of the two transmission connecting rods 3 during rotation. When the two transmission connecting rods 3 approach each other, the two clamping rods 17, in conjunction with the guide groove 18 and the guide fixing bracket 19, clamp and position the bearing rollers. When the two transmission connecting rods 3 move away from each other, the two clamping rods 17, in conjunction with the guide groove 18 and the guide fixing bracket 19, release the clamping and positioning of the bearing rollers. The first hydraulic cylinder 13 on the hydraulic cylinder mounting plate 12 drives the top material frame 7 and the second fixing groove 16 to push the bearing rollers. The placement groove 10 and the temporary storage box bracket 14 facilitate the placement of the finished product temporary storage box 11, which is used to collect and temporarily store the processed bearing rollers.
[0025] The first hydraulic cylinder 13 and the second hydraulic cylinder 20 are both common models available on the market. The first hydraulic cylinder 13 and the second hydraulic cylinder 20 are both electrically connected to an external control switch group, and their connection relationship is a common method in the prior art.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A positioning fixture for machining bearing rollers, comprising a machining platform (1), characterized in that: Two fixed shafts (4) are provided at one end of the upper surface of the processing platform (1). A gear mounting block (21) is rotatably connected to each fixed shaft (4). A sector gear (5) is installed on the side of each of the two gear mounting blocks (21). A transmission connecting rod (3) is provided on the front side of each of the two gear mounting blocks (21). A first rotating connecting bracket (2) is rotatably connected at the middle position of each of the two transmission connecting rods (3). A second hydraulic cylinder (20) is installed between the two first rotating connecting brackets (2). A second rotating connecting bracket (6) is rotatably connected to the front end of the two transmission connecting rods (3). A clamping rod (17) is connected to the front side of each of the two second rotating connecting brackets (6). A guide fixing bracket (19) that cooperates with the clamping rod (17) is provided at the other end of the upper surface of the processing platform (1). A material ejection assembly is provided at one end of the lower surface of the processing platform (1). A material storage assembly is provided at the other end of the lower surface of the processing platform (1).
2. The positioning fixture for machining bearing rollers according to claim 1, characterized in that: The two sector gears (5) are meshed together.
3. The positioning fixture for machining bearing rollers according to claim 1, characterized in that: Each of the two clamping rods (17) is connected to a clamping block (9) that cooperates with each other, and the side of the clamping block (9) is provided with a first fixing groove (8).
4. The positioning fixture for machining bearing rollers according to claim 1, characterized in that: The side of the clamping rod (17) is provided with a guide groove (18) that cooperates with the guide fixing bracket (19).
5. The positioning fixture for machining bearing rollers according to claim 1, characterized in that: The top material assembly includes a hydraulic cylinder mounting plate (12) located at the edge of the lower surface of the processing platform (1). A first hydraulic cylinder (13) is mounted on the side of the hydraulic cylinder mounting plate (12). The telescopic end of the first hydraulic cylinder (13) is connected to a top material frame (7). A second fixing groove (16) is provided on the side of the top material frame (7).
6. The positioning fixture for machining bearing rollers according to claim 1, characterized in that: The material storage component includes a storage box bracket (14) connected to the lower surface of the processing platform (1). The upper surface of the storage box bracket (14) is provided with a placement groove (10). A finished product storage box (11) is installed in the placement groove (10). Two handles (15) are symmetrically provided on the outer side of the finished product storage box (11).