Lathe clamp for machining bearing retainer

Abstract

The utility model discloses a lathe fixture for machining a bearing retainer, which comprises a base, and a clamping mechanism is mounted at the top end of the base. According to the lathe clamp for machining the bearing retainer, through work of the clamping mechanism, the outer wall of the bearing retainer can be clamped, punching machining can be conveniently conducted on the bearing retainer, the machined bearing retainer can be conveniently replaced, and through cooperation of a first rack, a second rack and a gear, the machining efficiency is improved. According to the bearing retainer punching device, asynchronization between the two pneumatic push rods can be eliminated, through work of the supporting mechanism, the inner wall of a bearing retainer can be supported, impact force generated during punching can be buffered, deformation of the whole retainer caused by large impact force during punching is avoided, the finished product rate of the machined bearing retainer is increased, and the bearing retainer punching device is suitable for popularization and application. And the supporting height of the bearing retainer can be adjusted conveniently through cooperative work of the insertion rod, the sleeve and the fastening bolt.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing retainer processing, in particular to a lathe clamp for bearing retainer processing. Background Art

[0002] The bearing retainer, also known as the bearing cage, refers to a bearing part that partially wraps all or part of the rolling elements and moves with them. It is used to isolate the rolling elements and usually guide the rolling elements and retain them in the bearing. In the process of processing the bearing retainer, it is necessary to perform stamping, punching and other processes. When punching, a corresponding fixture is needed to clamp the drawn retainer.

[0003] A lathe fixture for processing a bearing retainer is disclosed in a Chinese patent, and the application number is 202123007513.X. By pulling the locking handle, the first clamping rod rotatably connected to the left and right ends of the fixing rod and the limit clamping frame rotatably connected to the second clamping rod are driven to move, so that the required fixed bearing retainer can be clamped. The clamping device threadedly connected to the mounting plate is moved to facilitate the fixing operation of the required fixed bearing retainer. Therefore, the lathe fixture for processing the bearing retainer is not prone to deviation during processing, so that the size of the punching holes of the bearing retainer is consistent, it is not easy to scrap the material, reduce costs, and improve processing efficiency;

[0004] However, the above device still has some shortcomings when in use. It is not convenient to replace the bearing retainer after the punching process is completed, and there is a lack of protection for the inner wall of the bearing retainer during the punching process. Due to the impact force generated during the punching process, the retainer is deformed as a whole during the punching process, affecting the processing yield. Utility Model Content

[0005] The purpose of the utility model is to provide a lathe fixture for processing a bearing retainer, so as to solve the problems raised in the above-mentioned background technology that it is inconvenient to replace the bearing retainer after the punching process is completed, and there is a lack of protection for the inner wall of the bearing retainer during the punching process. Due to the impact force generated during the punching, the retainer is deformed as a whole during the punching process, which affects the processing yield rate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lathe fixture for machining a bearing retainer, comprising a base, a clamping mechanism being installed at the top of the base;

[0007] The clamping mechanism includes a support plate, and the left and right sides of the support plate are both connected to pneumatic push rods through flange threads, the inner side of the pneumatic push rod is fixedly connected to a vertical plate, the top of the vertical plate is connected to a clamping block through bolt threads, the inner bottom end of the support plate is fixedly connected to a baffle, the right rear end of the left vertical plate is fixedly connected to a first rack, and the left front end of the right vertical plate is fixedly connected to a second rack, the right side of the back of the first rack and the left side of the front surface of the second rack are fixedly connected to sliders, the bottom center of the support plate is rotatably connected to a gear, the support plate is fixedly connected to the top center of the base, the right side of the front surface of the first rack and the left side of the back of the second rack are meshed with the back and front surface of the gear respectively.

[0008] Preferably, a slide groove is provided inside the baffle, and the outer side of the sliding block is slidably connected to the inside of the slide groove.

[0009] Preferably, mounting holes are provided at the four inner corners of the base.

[0010] Preferably, a supporting mechanism is installed at the top of the clamping mechanism, and the supporting mechanism includes a base plate, a plug rod is fixedly connected to the top of the base plate, a sleeve is slidably connected to the top of the outer wall of the plug rod, a fastening bolt is threadedly connected to the bottom end of the outer wall of the sleeve, a top plate is fixedly connected to the top of the sleeve, a support rod is fixedly connected to the top center of the top plate, a plurality of springs are evenly fixedly connected to the outer wall of the support rod, an arc plate is fixedly connected to the outer side of the spring, the base plate is threadedly connected to the top center of the baffle by bolts, and the top end of the gear is rotatably connected to the bottom center of the base plate.

[0011] Preferably, the outer wall of the arc plate is processed with a layer of rubber buffer pad.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the lathe clamp for processing the bearing retainer can clamp the outer wall of the bearing retainer through the cooperation of the pneumatic push rod, the vertical plate and the clamping block in the clamping mechanism, so as to facilitate punching processing and replace the bearing retainer that has been processed; through the cooperation between the first rack, the second rack and the gear, the pneumatic push rods on the left and right sides can synchronously clamp the outer wall of the retainer, eliminating the asynchronism between the two pneumatic push rods; through the cooperation of the support rod, the spring and the arc plate in the supporting mechanism, the inner wall of the bearing retainer can be supported, and the impact force generated during punching can be buffered, so as to avoid deformation of the retainer as a whole due to the large impact force during punching processing, thereby improving the yield rate of the processed bearing retainer; through the cooperation between the insertion rod, the sleeve and the fastening bolt, the support height of the bearing retainer can be adjusted conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of the top cross-sectional connection structure of the middle clamping mechanism;

[0015] Figure 3 for Figure 1 Schematic diagram of the connection structure of the middle support mechanism.

[0016] In the figure: 1, base, 2, clamping mechanism, 201, support plate, 202, pneumatic push rod, 203, vertical plate, 204, clamping block, 205, baffle, 206, first rack, 207, second rack, 208, slider, 209, gear, 3, supporting mechanism, 301, bottom plate, 302, plug rod, 303, sleeve, 304, fastening bolt, 305, top plate, 306, support rod, 307, spring, 308, arc plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 The utility model provides a technical solution: a lathe fixture for machining a bearing retainer:

[0019] Embodiment 1:

[0020] The base 1 includes a base 1 for fixing a clamping mechanism 2. The top of the base 1 is provided with the clamping mechanism 2 for clamping a bearing retainer to be punched.

[0021] The clamping mechanism 2 includes a support plate 201, and the left and right sides of the support plate 201 are both connected with pneumatic push rods 202 through flange threads. The pneumatic push rods 202 are used to drive the vertical plate 203 to move. The inner side of the pneumatic push rod 202 is fixedly connected with the vertical plate 203, and the vertical plate 203 is used to drive the clamping block 204 to move. The top of the vertical plate 203 is connected with the clamping block 204 through bolt threads. The clamping block 204 is used to clamp the outer wall of the bearing retainer. The inner bottom end of the support plate 201 is fixedly connected with a baffle plate 205, and the baffle plate 205 is used to enclose the bottom end of the support plate 201. The right rear end of the left vertical plate 203 is fixedly connected with a first rack 206, and the left front end of the right vertical plate 203 is fixedly connected with a second rack 207. The first rack 206 The right side of the back and the left side of the front surface of the second rack 207 are fixedly connected with a slider 208, and the slider 208 is used to limit the movement stroke of the first rack 206 and the second rack 207. A gear 209 is rotatably connected at the bottom center of the support plate 201. The support plate 201 is fixedly connected to the top center of the base 1. The support plate 201 is used to fix the pneumatic push rod 202. The right side of the front surface of the first rack 206 and the left side of the back of the second rack 207 are respectively meshed and connected with the back and front surfaces of the gear 209. A slide groove is opened inside the baffle 205, and the outer side of the slider 208 is slidably connected to the inside of the slide groove. Mounting holes are opened at the four corners of the base 1, and the base 1 can be installed and fixed through the mounting holes.

[0022] By setting up the clamping mechanism 2, the bearing retainer to be punched can be clamped, which facilitates the punching process. By setting up the first rack 206, the second rack 207 and the gear 209, the problem of the left and right pneumatic push rods 202 being out of sync can be eliminated, which facilitates the synchronous clamping of the bearing retainer.

[0023] Embodiment 2:

[0024] On the basis of the first embodiment, a support mechanism 3 is installed at the top of the clamping mechanism 2, and the support mechanism 3 is used to support the inner wall of the bearing retainer. The support mechanism 3 includes a bottom plate 301, and the bottom plate 301 is used to fix the plug rod 302. The top of the bottom plate 301 is fixedly connected with the plug rod 302, and the plug rod 302 is used to support the sleeve 303. The top of the outer wall of the plug rod 302 is slidably connected with the sleeve 303, and the sleeve 303 is used to support the top plate 305. The bottom end of the outer wall of the sleeve 303 is threadedly connected with a fastening bolt 304, and the fastening bolt 304 is used to lock the sleeve 303. The top of the sleeve 303 is fixedly connected with the top plate 305, and the top plate 3 05 is used to fix the support rod 306. The support rod 306 is fixed at the top center of the top plate 305. The support rod 306 is used to support the spring 307. A plurality of springs 307 are evenly fixed to the outer wall of the support rod 306. The spring 307 is used to fix the arc plate 308. The outer side of the spring 307 is fixed with an arc plate 308. The arc plate 308 is used to support the inner wall of the bearing retainer. The bottom plate 301 is threadedly connected to the top center of the baffle 205 by bolts. The top of the gear 209 is rotatably connected to the bottom center of the bottom plate 301. The outer wall of the arc plate 308 is processed with a layer of rubber buffer pad for protecting the inner wall of the bearing retainer.

[0025] By providing the support mechanism 3, the inner wall of the bearing retainer can be supported, and the entire bearing retainer can be protected during punching, thereby reducing the impact force generated during punching and avoiding deformation of the entire bearing retainer during punching.

[0026] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0027] When the lathe clamp for processing the bearing retainer begins to be used, the user connects the base 1 to the top of the punching machine workbench through bolt threads, so that the clamping mechanism 2 can be fixed as a whole, and then the user sleeves the bearing retainer that needs to be punched onto the outer wall of the arc plate 308 in the support mechanism 3, and then the user connects the pneumatic push rod 202 to the external cylinder through the connecting pipe. The pneumatic push rod 202 can push the vertical plate 203 to move through the operation of the cylinder. During the movement of the vertical plate 203, the clamping block 204 can be driven to move synchronously, so that the clamping block 204 can be clamped to the outer wall of the bearing retainer, thereby fixing it and facilitating the punching process. When the support height of the bearing retainer needs to be adjusted, the user loosens the fastening bolt 304 and then moves the sleeve 303. After the sleeve moves to the appropriate height, the fastening bolt 304 is tightened again to re-lock the sleeve 303.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lathe fixture for machining a bearing retainer, comprising a base (1), characterized in that: A clamping mechanism (2) is installed on the top of the base (1); The clamping mechanism (2) comprises a support plate (201), the left and right sides of the support plate (201) are both connected to pneumatic push rods (202) by flange threads, the inner side of the pneumatic push rod (202) is fixedly connected to a vertical plate (203), the top of the vertical plate (203) is connected to a clamping block (204) by bolt threads, the inner bottom end of the support plate (201) is fixedly connected to a baffle plate (205), the right rear end of the left vertical plate (203) is fixedly connected to a first rack (206), and the right vertical plate (203) is fixedly connected to a first rack (206). 03), a second rack (207) is fixedly connected to the left front end, a slider (208) is fixedly connected to the right side of the back of the first rack (206) and the left side of the front surface of the second rack (207), a gear (209) is rotatably connected to the bottom center of the support plate (201), the support plate (201) is fixedly connected to the top center of the base (1), the right side of the front surface of the first rack (206) and the left side of the back of the second rack (207) are respectively meshed with the back and front surface of the gear (209).

2. A lathe fixture for machining a bearing retainer according to claim 1, characterized in that: A sliding groove is provided inside the baffle (205), and the outer side of the sliding block (208) is slidably connected to the inside of the sliding groove.

3. A lathe fixture for machining a bearing retainer according to claim 2, characterized in that: The four inner corners of the base (1) are all provided with mounting holes.

4. A lathe fixture for machining a bearing retainer according to claim 3, characterized in that: A support mechanism (3) is installed at the top of the clamping mechanism (2), and the support mechanism (3) comprises a bottom plate (301), a plug rod (302) is fixedly connected to the top of the bottom plate (301), a sleeve (303) is slidably connected to the top of the outer wall of the plug rod (302), a fastening bolt (304) is threadedly connected to the bottom end of the outer wall of the sleeve (303), a top plate (305) is fixedly connected to the top of the sleeve (303), a support rod (306) is fixedly connected to the top center of the top plate (305), a plurality of springs (307) are evenly fixedly connected to the outer wall of the support rod (306), an arc plate (308) is fixedly connected to the outer side of the spring (307), the bottom plate (301) is threadedly connected to the top center of the baffle (205) by bolts, and the top of the gear (209) is rotatably connected to the bottom center of the bottom plate (301).

5. A lathe fixture for machining a bearing retainer according to claim 4, characterized in that: The outer wall of the arc plate (308) is processed with a layer of rubber buffer pad.

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