Oil hole drilling clamp for self-aligning roller bearing

The innovative clamping mechanism for taper roller bearings uses liquid pressure and magnetic attachments to enhance grip and positioning, addressing the issue of detachment during oil hole drilling, thereby ensuring high-quality machining.

CN223098597UActive Publication Date: 2025-07-15SHANDONG YUXIAL BEARING CO LTD
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Patent Information

Application Number
CN202422212835.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-07-15
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

The existing center-aligning roller bearing oil drilling hole clamps are insufficient during clamping, the contact surface is small, which is easy to loosen, affecting the processing quality.

Method used

The clamping device is adopted to combine a hydraulic telescopic rod and a suction cup, and the fixed bearing is absorbed by negative pressure to increase the contact area, and the clamping position is adjusted front and rear by adjusting the moving device to enhance clamping stability.

Benefits of technology

The clamping strength is improved, avoid loosening, ensure processing quality, and adapt to oil hole processing needs in different directions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bearing machining, and discloses an oil hole drilling clamp for a self-aligning roller bearing, which comprises a bottom plate, an adjusting moving device is arranged in the bottom plate, and a clamping device is arranged at the top of the bottom plate. The clamping device comprises a bearing plate, a middle bearing column, a vertical frame, a third hydraulic telescopic rod, a clamping plate, a fourth hydraulic telescopic rod, a clamping plate piece, a screw piece, a connecting disc piece, an air pump, a connecting air pipe and a suction cup. According to the oil hole drilling clamp for the self-aligning roller bearing, the clamping device is arranged, a third hydraulic telescopic rod is started to drive a clamping plate to move in the direction close to the clamping surface until contact is conducted for preliminary clamping and positioning, then a screw rod part can be held for screwing, and a suction cup is made to be close to the bearing and make final contact; after contact, the air pump is started to be matched with the connecting air pipe to pump out air of the air pump, negative-pressure suction force can be generated to help adsorption and fixation, the contact area is increased through the suction cups, the connecting strength is enough, and the machining quality is not prone to being affected by loosening.
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Description

Technical Field

[0001] The utility model relates to the technical field of bearing processing, in particular to a drilling fixture for oil holes of a self-aligning roller bearing. Background Technique

[0002] A self-aligning roller bearing, that is, a roller bearing capable of performing micro-angle adjustment, has good radial load-bearing capacity. During the production and processing of self-aligning roller bearings, oil channels and oil holes need to be opened. During the drilling process of the oil holes, a fixture is required to assist in fixing the self-aligning roller bearing as needed to ensure the drilling effect.

[0003] The prior art discloses a drilling fixture for oil holes of a self-aligning roller bearing with the publication number: CN219444210U, which belongs to the technical field of bearing processing. It includes a bottom plate, a transmission box is fixedly connected to the bottom plate, a motor housing is fixedly connected to the side of the transmission box, a transmission component is arranged in the transmission box, the transmission component is located in the motor housing, a moving plate is arranged above the bottom plate, and the moving plate is fixedly connected to the transmission component. This drilling fixture for oil holes of a self-aligning roller bearing, by setting an adjusting component, a rotating rod, a gear, a toothed plate, a vertical plate and an electric push rod, enables the device to quickly and effectively adjust the effective clamping direction of the clamping device body during use. Thus, when processing self-aligning roller bearings with different processing requirements, the clamping direction can be quickly and effectively changed, facilitating the rapid progress of oil hole processing in different directions. At the same time, after the direction is adjusted, the clamping effect can be effectively guaranteed, improving the applicability of the device.

[0004] The above-mentioned drilling fixture for oil holes of a self-aligning roller bearing can quickly and effectively adjust the effective clamping direction of the clamping device body. Thus, when processing self-aligning roller bearings with different processing requirements, the clamping direction can be quickly and effectively changed, facilitating the rapid progress of oil hole processing in different directions. At the same time, after the direction is adjusted, the clamping effect can be effectively guaranteed. However, the above device uses existing clamping plates for clamping during clamping, with insufficient clamping strength, and a small contact surface when clamping the bearing, and the strength is not enough, which is easy to loosen and affect the processing quality, and the effect during use is not good, and this needs to be improved. Content of the Utility Model

[0005] The purpose of the utility model is to provide a drilling fixture for oil holes of a self-aligning roller bearing to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A drilling fixture for oil holes of a self-aligning roller bearing, including a bottom plate, an adjusting and moving device is arranged inside the bottom plate, and a clamping device is arranged on the top of the bottom plate.

[0007] The clamping device includes a bearing plate, an intermediate placing column, a vertical frame, a third hydraulic telescopic rod, a clamping plate, a fourth hydraulic telescopic rod, a clamping and placing plate member, a screw member, a connecting disc member, an air pump, a connecting air pipe and a suction cup. The bearing plate is fixedly connected to the left side of the slider. The intermediate placing column is fixedly connected to the top of the bearing plate. The vertical frame is fixedly connected to the top of the bearing plate. The third hydraulic telescopic rod is fixedly connected to the inside of the vertical frame. The fourth hydraulic telescopic rod is fixedly connected to the top of the bearing plate. The clamping and placing plate member is fixedly connected to the top of the fourth hydraulic telescopic rod. The screw member is threadedly connected to the inside of the clamping and placing plate member. The connecting disc member is fixedly connected to the front of the screw member. The air pump is fixedly connected to the front of the connecting disc member. The connecting air pipe is fixedly connected to the front of the air pump. The suction cup is fixedly connected to the front of the connecting disc member.

[0008] Preferably, the adjusting and moving device includes a first hydraulic telescopic rod, a first magnetic attracting member, a magnet docking seat, a slider, a magnetic attracting slider, a magnet sliding frame, a second hydraulic telescopic rod, a second magnetic attracting member and a limiting sliding rod. The first hydraulic telescopic rod is fixedly connected to the right side near the front of the top of the bottom plate. The first magnetic attracting member is fixedly connected to the back of the first hydraulic telescopic rod. The magnetic attracting slider is fixedly connected to the front of the slider. The magnetic attracting slider is magnetically connected to the magnet sliding frame. The second hydraulic telescopic rod is fixedly connected to the right side near the back of the inside of the bottom plate. The second magnetic attracting member is fixedly connected to the front of the second hydraulic telescopic rod.

[0009] Preferably, a second magnet docking seat is fixedly connected to the back of the slider. The second magnetic attracting member is magnetically connected to the second magnet docking seat. The limiting sliding rod is fixedly connected to the right side inside the bottom plate. The slider is slidably connected to the surface of the limiting sliding rod.

[0010] Preferably, one end of the connecting air pipe away from the front of the air pump is fixedly connected to the top of the suction cup.

[0011] Preferably, the magnet docking seat is fixedly connected to the front of the slider. The slider is slidably connected to the inside of the bottom plate.

[0012] Preferably, the clamping plate is fixedly connected to one end of the third hydraulic telescopic rod close to the intermediate placing column. The third hydraulic telescopic rod is started to drive the clamping plate to move towards the direction close to the clamping surface until contact is made for preliminary clamping and positioning, so as to achieve the purpose of positioning and installation.

[0013] Preferably, a limiting sliding groove is provided inside the bottom plate. The magnet sliding frame is fixedly connected to the right side of the bottom plate. The magnetic attracting slider is slidably connected to the left side of the magnet sliding frame. The magnet sliding frame and the magnetic attracting slider are provided to further limit the front-back sliding, ensure stable sliding, and drive the bearing plate and the clamping assembly on the top to slide smoothly.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. The drilling and oil hole fixture for a self-aligning roller bearing is provided with a clamping device. When the third hydraulic expansion rod is started, it drives the clamping plate to move towards the clamping surface until they come into contact for preliminary clamping and positioning. Then, the screw member can be held and turned to make the suction cup approach and finally contact the bearing. After contact, the air pump is started and cooperates with the connecting air pipe to extract the air in the air pump, which can generate negative pressure suction to help with adsorption and fixation. Moreover, the setting of the suction cup increases the contact area, and the connection strength is sufficient and not prone to looseness, which will not affect the processing quality.

[0016] 2. The drilling and oil hole fixture for a self-aligning roller bearing is provided with an adjusting and moving device. When the second hydraulic expansion rod is started to continue driving the slider to move backward, and when the second magnetic attraction member and the second magnet docking seat are just connected and continue to move backward, the first magnetic attraction member can be pulled first to make it immobile. When the slider continues to move, it will be separated from the first magnetic attraction member and can continue to move backward, enabling the position of the clamping device to be adjusted back and forth to adapt to clamping and placing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic rear view structure diagram of the whole of the present utility model;

[0018] Figure 2 For the present utility model Figure 1 An enlarged structure diagram at position A in the figure;

[0019] Figure 3 It is a schematic front view structure diagram of the whole of the present utility model;

[0020] Figure 4 For the present utility model Figure 3 An enlarged structure diagram at position B in the figure.

[0021] In the figure: 1. Base plate; 2. Adjusting and moving device; 201. First hydraulic expansion rod; 202. First magnetic attraction member; 203. Magnet docking seat; 204. Slider; 205. Magnetic attraction slider; 206. Magnet slide; 207. Second hydraulic expansion rod; 208. Second magnetic attraction member; 209. Limit slide bar; 3. Clamping device; 301. Bearing plate; 302. Intermediate placing column; 303. Upright frame; 304. Third hydraulic expansion rod; 305. Clamping plate; 306. Fourth hydraulic expansion rod; 307. Clamping and placing plate member; 308. Screw member; 309. Connecting plate member; 310. Air pump; 311. Connecting air pipe; 312. Suction cup. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4 , the present utility model provides the following technical solutions:

[0024] A drilling and oil hole fixture for a self-aligning roller bearing, including a bottom plate 1, an adjusting and moving device 2 is arranged inside the bottom plate 1, and a clamping device 3 is arranged on the top of the bottom plate 1.

[0025] The clamping device 3 includes a bearing plate 301, an intermediate placing column 302, a vertical frame 303, a third hydraulic expansion rod 304, a clamping plate 305, a fourth hydraulic expansion rod 306, a clamping and placing plate member 307, a screw member 308, a connecting disc member 309, an air pump 310, a connecting air pipe 311 and a suction cup 312. The bearing plate 301 is fixedly connected to the left side of the slider 204, the intermediate placing column 302 is fixedly connected to the top of the bearing plate 301, the vertical frame 303 is fixedly connected to the top of the bearing plate 301, the third hydraulic expansion rod 304 is fixedly connected to the inside of the vertical frame 303, the fourth hydraulic expansion rod 306 is fixedly connected to the top of the bearing plate 301, the clamping and placing plate member 307 is fixedly connected to the top of the fourth hydraulic expansion rod 306, the screw member 308 is threadedly connected to the inside of the clamping and placing plate member 307, the connecting disc member 309 is fixedly connected to the front of the screw member 308, the air pump 310 is fixedly connected to the front of the connecting disc member 309, the connecting air pipe 311 is fixedly connected to the front of the air pump 310, the suction cup 312 is fixedly connected to the front of the connecting disc member 309, one end of the connecting air pipe 311 far from the front of the air pump 310 is fixedly connected to the top of the suction cup 312, the clamping plate 305 is fixedly connected to one end of the third hydraulic expansion rod 304 close to the intermediate placing column 302. Starting the third hydraulic expansion rod 304 drives the clamping plate 305 to move towards the direction close to the clamping surface until it contacts for preliminary clamping and positioning, achieving the purpose of positioning and installation.

[0026] The adjustment moving device 2 includes a first hydraulic telescopic rod 201, a first magnetic attraction member 202, a magnet docking seat 203, a slider 204, a magnetic attraction slider 205, a magnet carriage 206, a second hydraulic telescopic rod 207, a second magnetic attraction member 208, and a limiting slide rod 209. The first hydraulic telescopic rod 201 is fixedly connected to the upper right side of the bottom plate 1 near the front. The first magnetic attraction member 202 is fixedly connected to the back of the first hydraulic telescopic rod 201. The magnetic attraction slider 205 is fixedly connected to the front of the slider 204. The magnetic attraction slider 205 is magnetically connected to the magnet carriage 206. The second hydraulic telescopic rod 207 is fixedly connected to the inner right side of the bottom plate 1 near the back. The second magnetic attraction member 208 is fixedly connected to the front of the second hydraulic telescopic rod 207. A limiting chute is provided inside the bottom plate 1. The magnet carriage 206 is fixedly connected to the right side of the bottom plate 1. The magnetic attraction slider 205 is slidably connected to the left side of the magnet carriage 206. The settings of the magnet carriage 206 and the magnetic attraction slider 205 further limit the forward and backward sliding to ensure stable sliding, driving the bearing plate 301 and the clamping assembly on the top to slide smoothly. A second magnet docking seat is fixedly connected to the back of the slider 204. The second magnetic attraction member 208 is magnetically connected to the second magnet docking seat. The limiting slide rod 209 is fixedly connected to the inner right side of the bottom plate 1. The slider 204 is slidably connected to the surface of the limiting slide rod 209. The magnet docking seat 203 is fixedly connected to the front of the slider 204. The slider 204 is slidably connected to the inside of the bottom plate 1.

[0027] In use, the front and rear positions of the clamping device 3 can be adjusted according to requirements. When it is necessary to push backward during adjustment, the first hydraulic telescopic rod 201 can be activated to drive the first magnetic part 202 to move backward until the first magnetic part 202 is inserted into the magnet docking seat 203. After they come into contact, they can be magnetically adsorbed together. Then, the slider 204 can be pushed to move backward continuously. When it moves to a position slightly behind the center, the first hydraulic telescopic rod 201 can no longer push. The second magnet docking seat on the back of the slider 204 can be inserted on the surface of the second magnetic part 208. After the second magnetic part 208 comes into contact with the second magnet docking seat, they can be magnetically adsorbed together. Then, the second hydraulic telescopic rod 207 is activated to continue driving the slider 204 to move backward. And when the second magnetic part 208 and the second magnet docking seat are just connected and continue to move backward, the first magnetic part 202 can be pulled first to make it immobile. When the slider 204 continues to move, it will separate from the first magnetic part 202 and can continue to move backward, so that the position of the clamping device 3 can be adjusted back and forth to adapt to clamping and releasing. The bearing can be clamped by using the clamping device 3. When in use, the bearing part to be clamped is placed on the top of the middle supporting column 302. Then, the third hydraulic telescopic rod 304 is activated to drive the clamping plate 305 to move in the direction close to the clamping surface until they come into contact for preliminary clamping and positioning. Then, the screw member 308 can be held and rotated to make the suction cup 312 approach the bearing and finally come into contact. After coming into contact, the air pump 310 is activated in cooperation with the connecting air pipe 311 to extract the air pump gas, which can generate negative pressure suction to help adsorb and fix. Moreover, the setting of the suction cup 312 increases the contact area, and the connection strength is sufficient and not easy to loosen, which will not affect the processing quality, and the effect during use is good.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drilling fixture for a self-aligning roller bearing, comprising a base plate (1), characterized in that: An adjustment and movement device (2) is arranged inside the bottom plate (1), and a clamping device (3) is arranged on the top of the bottom plate (1); The clamping device (3) includes a bearing plate (301), an intermediate placing column (302), a vertical frame (303), a third hydraulic telescopic rod (304), a clamping plate (305), a fourth hydraulic telescopic rod (306), a clamping and placing plate member (307), a screw member (308), a connecting disc member (309), an air pump (310), a connecting air pipe (311) and a suction cup (312). The bearing plate (301) is fixedly connected to the left side of the slider (204). The intermediate placing column (302) is fixedly connected to the top of the bearing plate (301). The vertical frame (303) is fixedly connected to the top of the bearing plate (301). The third hydraulic telescopic rod (304) is fixedly connected inside the vertical frame (303). The fourth hydraulic telescopic rod (306) is fixedly connected to the top of the bearing plate (301). The clamping and placing plate member (307) is fixedly connected to the top of the fourth hydraulic telescopic rod (306). The screw member (308) is threadedly connected inside the clamping and placing plate member (307). The connecting disc member (309) is fixedly connected to the front of the screw member (308). The air pump (310) is fixedly connected to the front of the connecting disc member (309). The connecting air pipe (311) is fixedly connected to the front of the air pump (310). The suction cup (312) is fixedly connected to the front of the connecting disc member (309).

2. The centering roller bearing oil hole drilling fixture according to claim 1, wherein: The adjustment and movement device (2) includes a first hydraulic telescopic rod (201), a first magnetic attraction member (202), a magnet docking seat (203), a slider (204), a magnetic attraction slider (205), a magnet sliding frame (206), a second hydraulic telescopic rod (207), a second magnetic attraction member (208) and a limiting sliding rod (209). The first hydraulic telescopic rod (201) is fixedly connected to the right side near the front of the top of the bottom plate (1). The first magnetic attraction member (202) is fixedly connected to the back of the first hydraulic telescopic rod (201). The magnetic attraction slider (205) is fixedly connected to the front of the slider (204). The magnetic attraction slider (205) is magnetically connected to the magnet sliding frame (206). The second hydraulic telescopic rod (207) is fixedly connected to the right side near the back inside the bottom plate (1). The second magnetic attraction member (208) is fixedly connected to the front of the second hydraulic telescopic rod (207).

3. The drilling fixture for a self-aligning roller bearing according to claim 2, characterized in that: A second magnet docking seat is fixedly connected to the back of the slider (204). The second magnetic attraction member (208) is magnetically connected to the second magnet docking seat. The limiting sliding rod (209) is fixedly connected to the right side inside the bottom plate (1). The slider (204) is slidably connected to the surface of the limiting sliding rod (209).

4. A jig for drilling oil holes for a self-aligning roller bearing according to claim 1, characterized in that: One end of the connecting air pipe (311) far from the front of the air pump (310) is fixedly connected to the top of the suction cup (312).

5. A jig for drilling oil holes for a self-aligning roller bearing according to claim 2, characterized in that: The magnet docking seat (203) is fixedly connected to the front of the slider (204). The slider (204) is slidably connected to the inside of the bottom plate (1).

6. The drill oil hole fixture for a self-aligning roller bearing according to claim 1, wherein: The clamping plate (305) is fixedly connected to one end of the third hydraulic telescopic rod (304) close to the middle bearing column (302).

7. The centering roller bearing oil hole drilling fixture according to claim 2, characterized in that: A limiting sliding groove is formed inside the bottom plate (1). The magnet sliding carriage (206) is fixedly connected to the right side of the bottom plate (1), and the magnetic attraction sliding block (205) is slidably connected to the left side of the magnet sliding carriage (206).

Citation Information

Patent Citations

  • Oil hole drilling clamp for self-aligning roller bearing

    CN219444210U