Fixing device for bearing machining
The three-point fixing structure driven by a hydraulic press and the V-shaped bearing fixing block solve the problem of unstable bearing fixing in the existing technology, realize the rapid fixing of bearings and multi-size adaptation, and improve the processing accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WEIZHIEN BEARING (JIANGSU) CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-05-19
AI Technical Summary
In the existing technology, the two-point fixing method of the fixing device for bearing processing cannot stably fix the bearing, resulting in insufficient processing accuracy and efficiency.
The bearing is fastened and adapted to multiple sizes by adopting a three-point fixing structure driven by a hydraulic press, combined with a V-shaped bearing fixing block and an inverted V-shaped fixing groove, along with rubber pads and shock absorption devices.
It enables rapid fixing and stable clamping of bearings, adapts to bearings of different diameters, improves machining accuracy and production efficiency, and reduces the impact of vibration.
Smart Images
Figure CN224255166U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bearing processing technology, specifically a fixing device for bearing processing. Background Technology
[0002] Bearing machining fixtures are mainly used to stably clamp bearing workpieces during bearing manufacturing or repair to ensure accurate positioning during machining, avoid vibration or displacement, and thus improve machining accuracy and efficiency.
[0003] In existing technologies, such as the patent with patent authorization announcement number CN221186186U, a fixing device for bearing production and processing is disclosed, including a protective box. Inside the protective box is a rotating column, and a connecting rod is fixedly connected to the outer wall of the rotating column. Connecting rods are rotatably connected to both ends of the rotating column. The rotating column passes through the connecting rods and the connecting rods. A rotating column is rotatably connected to one side of the connecting rod, and a connecting rod is rotatably connected to the outer wall of the rotating column. A rotating column is rotatably connected to one side of the connecting rod, and the rotating column is rotatably connected inside the protective box. A half-gear is rotatably connected to the outer wall of the rotating column. In this invention, the output end of the push rod pushes the push column to move, causing the connecting rod to move, which in turn causes the connecting rods to move, ultimately causing the clamping plate to clamp the bearing. This solves the problem of not being able to effectively clamp the bearing according to its size, improving the processing efficiency of the bearing.
[0004] The aforementioned patent solves the problem of effectively clamping the bearing according to its size, but the fixing method used in the patent is to fix it with two fixing blocks, and the two-point fixing method cannot stably fix the bearing. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a fixing device for bearing processing, which solves the problems mentioned in the background art. It adopts a V-shaped structure on the top of the fixing block, so that there are three fixed positions during the bearing processing, solving the problem that the two-point fixing method cannot stably fix the bearing.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a fixing device for bearing processing, comprising a device body, a top plate provided on the top of the device body, a hydraulic press fixedly connected to the top of the top plate, a support rod fixedly connected to the lower end of the top plate, a sleeve rod slidably connected to the support rod, a movable plate fixedly connected to the sleeve rod, a bottom plate fixedly connected to the bottom of the support rod, a base fixedly connected to the bottom of the bottom plate, and a shock-absorbing device fixedly connected inside the base;
[0007] A hinge seat is fixedly connected to the top of the movable plate, and a first connecting rod is rotatably connected inside the hinge seat. A connector head is fixedly connected to the output shaft of the hydraulic press, and a third connecting rod is rotatably connected to the connector head. A trunnion support is fixedly connected to the bottom of the top plate, and a second connecting rod is rotatably connected to the trunnion support. The first, second, and third connecting rods are rotatably connected at one end close to each other. A bearing fixing block is fixedly connected to the top of the bottom plate, and a pressure block is fixedly connected to the bottom of the movable plate.
[0008] Preferably, the top of the bearing fixing block is V-shaped, and the inside of the pressure block is provided with an inverted V-shaped fixing groove, and the V-shape of the top of the bearing fixing block is adapted to the fixing groove.
[0009] Preferably, a rubber pad is fixedly connected to the top V-shaped part of the bearing fixing block and the side of the pressure block that contacts the bearing to be processed.
[0010] Preferably, both the trunnion support and the second connecting rod have circular holes inside, and a hinge pin is movably connected inside the circular hole, the hinge pin passing through the trunnion support and the second connecting rod.
[0011] Preferredly, the hinge seat, the first connecting rod, the second connecting rod, and the third connecting rod are all provided with circular holes, and their contacting ends are rotatably connected by hinge pins.
[0012] Preferably, the number of shock-absorbing devices is 6, and they are evenly distributed in groups of three on both sides of the inside of the base.
[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0014] This bearing processing and fixing device uses a hydraulic press to drive a third connecting rod, which in turn drives a first connecting rod to press down a movable plate, thus achieving rapid fixing of the bearing. The V-shaped bearing fixing block can accommodate bearings of different diameters. Combined with the inverted V-shaped slot structure of the pressure block, the fixing block can be embedded inside the pressure block to form a double fixation. This allows for stable clamping of bearings of various sizes without changing the mold, ensuring the firmness during processing and significantly improving production efficiency. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a bottom view of the pressure block of this utility model;
[0017] Figure 3 This is a front sectional view of the pressure block of this utility model;
[0018] Figure 4This is an enlarged view of the connection structure between the second connecting rod and the trunnion support of this utility model.
[0019] In the diagram: 1. Main body of the device; 2. Top plate; 3. Hydraulic press; 4. Support rod; 5. Sleeve rod; 6. Movable plate; 7. Hinge seat; 8. First connecting rod; 9. Second connecting rod; 10. Connector; 11. Trunnion support; 12. Third connecting rod; 13. Base plate; 14. Bearing fixing block; 15. Pressure block; 151. Fixing groove; 152. Rubber pad; 16. Base; 17. Vibration damping device; 18. Hinge pin. Detailed Implementation
[0020] 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.
[0021] Please see Figure 1-4 A bearing processing fixing device in this embodiment includes a device body 1, a top plate 2 is provided on the top of the device body 1, a hydraulic press 3 is fixedly connected to the top of the top plate 2, a support rod 4 is fixedly connected to the lower end of the top plate 2, a sleeve rod 5 is slidably connected to the support rod 4, a movable plate 6 is fixedly connected to the sleeve rod 5, a base plate 13 is fixedly connected to the bottom of the support rod 4, a base 16 is fixedly connected to the bottom of the base plate 13, and a shock absorption device 17 is fixedly connected inside the base 16.
[0022] A hinge seat 7 is fixedly connected to the top of the movable plate 6. A first connecting rod 8 is rotatably connected inside the hinge seat 7. A connector 10 is fixedly connected to the output shaft of the hydraulic press 3. A third connecting rod 12 is rotatably connected to the connector 10. A trunnion support 11 is fixedly connected to the bottom of the top plate 2. A second connecting rod 9 is rotatably connected to the trunnion support 11. The first connecting rod 8, the second connecting rod 9, and the third connecting rod 12 are rotatably connected at one end. A bearing fixing block 14 is fixedly connected to the top of the bottom plate 13. A pressure block 15 is fixedly connected to the bottom of the movable plate.
[0023] The bearing fixing block 14 has a V-shaped top, and the pressure block 15 has an inverted V-shaped fixing groove 151 inside. The V-shaped top of the bearing fixing block 14 matches the fixing groove 151 to ensure that the bearing is automatically centered during clamping, improve positioning accuracy, and avoid deviation during processing.
[0024] The top V-shaped part of the bearing fixing block 14 and the pressure block 15 are fixedly connected to the side of the bearing to be processed with a rubber pad 152 to prevent damage to the bearing surface during clamping, and at the same time increase the friction to prevent the bearing from sliding during processing.
[0025] Both the trunnion support 11 and the second connecting rod 9 have circular holes inside. A hinge pin 18 is movably connected inside the circular hole. The hinge pin 18 passes through the trunnion support 11 and the second connecting rod 9, ensuring that the second connecting rod 9 can rotate flexibly, so that the driving force of the hydraulic press 3 can be smoothly transmitted to the movable plate 6, reducing movement jamming.
[0026] The hinge seat 7, the first connecting rod 8, the second connecting rod 9, and the third connecting rod 12 are all provided with circular holes. The contacting ends are all rotatably connected by the hinge pin 18, which makes the movement of the entire linkage mechanism smoother, improves the force transmission efficiency, and reduces wear.
[0027] There are 6 vibration damping devices 17, which are evenly distributed in groups of three on both sides of the inside of the base 16. They effectively absorb vibrations during the processing, improve equipment stability, and reduce the impact on bearing processing accuracy.
[0028] When implementing this procedure, please follow these steps:
[0029] 1) First, the operator places the bearing to be processed on the V-shaped positioning surface of the bearing fixing block 14, and the bearing achieves initial positioning by its own weight;
[0030] 2) Then start the hydraulic press 3. Its output shaft drives the third connecting rod 12 to move downward through the connector 10. The third connecting rod 12 drives the first connecting rod 8 and the second connecting rod 9 to move together through the hinge point. The first connecting rod 8 drives the movable plate 6 to move smoothly downward along the guide mechanism composed of the support rod 4 and the sleeve rod 5. The pressure block 15 moves downward with the movable plate 6. Its inverted V-shaped fixing groove 151 forms a closed clamping space with the bearing fixing block 14. The rubber pad 152 generates elastic deformation when it contacts the bearing to ensure that the clamping force is evenly distributed.
[0031] 3) Then, under the positioning effect of the double V-shaped structure, the bearing maintains a stable posture, and the equipment can perform machining processes such as turning and grinding;
[0032] 4) Finally, the hydraulic press 3 returns to its original position, driving each linkage mechanism to reset, the movable plate 6 rises, the pressure block 15 separates from the bearing, and the operator takes out the processed bearing.
[0033] In summary, this bearing processing and fixing device uses a hydraulic press 3 to drive the third connecting rod 12 to push down the first connecting rod 8 and press down the movable plate 6 to achieve rapid bearing fixing. The bearing fixing block 14 with a V-shaped design is suitable for bearings of different diameters. With the inverted V-shaped fixing groove 151 of the pressure block 15, the fixing block 14 is embedded in the pressure block 15 to form a double fixation. This achieves the effect of stably clamping bearings of various sizes without changing the mold, which not only ensures the firmness of the processing but also significantly improves the production efficiency.
[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0035] 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 fixing device for bearing processing, comprising a device body (1), characterized in that: The top of the main body (1) of the device is provided with a top plate (2), a hydraulic press (3) is fixedly connected to the top of the top plate (2), a support rod (4) is fixedly connected to the lower end of the top plate (2), a sleeve rod (5) is slidably connected to the support rod (4), a movable plate (6) is fixedly connected to the sleeve rod (5), a base plate (13) is fixedly connected to the bottom of the support rod (4), a base (16) is fixedly connected to the bottom of the base plate (13), and a shock absorption device (17) is fixedly connected inside the base (16). The top of the movable plate (6) is fixedly connected to a hinge seat (7), and the hinge seat (7) is rotatably connected to a first connecting rod (8). The output shaft of the hydraulic press (3) is fixedly connected to a connector (10), and the connector (10) is rotatably connected to a third connecting rod (12). The bottom of the top plate (2) is fixedly connected to a trunnion support (11), and the trunnion support (11) is rotatably connected to a second connecting rod (9). The first connecting rod (8), the second connecting rod (9), and the third connecting rod (12) are rotatably connected to each other at one end. The top of the bottom plate (13) is fixedly connected to a bearing fixing block (14), and the bottom of the movable plate (6) is fixedly connected to a pressure block (15).
2. The bearing machining fixing device according to claim 1, characterized in that: The bearing fixing block (14) has a V-shaped top, and the pressure block (15) has an inverted V-shaped fixing groove (151) inside. The V-shaped top of the bearing fixing block (14) is adapted to the fixing groove (151).
3. The bearing machining fixing device according to claim 1, characterized in that: The bearing fixing block (14) has a V-shaped top and a pressure block (15) with a rubber pad (152) fixedly connected to the side of the bearing to be processed.
4. The bearing machining fixing device according to claim 1, characterized in that: Both the trunnion support (11) and the second connecting rod (9) have circular holes. A hinge pin (18) is movably connected in the circular hole. The hinge pin (18) passes through the trunnion support (11) and the second connecting rod (9).
5. A fixing device for bearing processing according to claim 1, characterized in that: The hinge seat (7), the first connecting rod (8), the second connecting rod (9), and the third connecting rod (12) are all provided with circular holes, and their contacting ends are rotatably connected by a hinge pin (18).
6. The bearing machining fixing device according to claim 1, characterized in that: The number of shock-absorbing devices (17) is 6, and they are evenly distributed in groups of three on both sides of the inside of the base (16).