Bearing inner ring surface shaping machine

By adopting a combined design of arc clamping plate, bidirectional lead screw and compression spring in the bearing inner ring shaping machine, the problems of inconvenient bearing fixing and uneven grinding wheel pressure are solved, and stable shaping of bearing inner ring and Efficient polishing.

CN222308258UActive Publication Date: 2025-01-07CHANGSHAN COUNTY YICHENG BEARING CO LTD
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Patent Information

Application Number
CN202421032811.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-01-07
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

The existing bearing inner ring shaping machines are inconvenient when fixing bearings of different specifications, and the pressure between the grinding wheel and the inner ring is difficult to maintain balance, resulting in concave and convex phenomenon on the inner end surface.

Method used

A bearing inner ring surface shaping machine is designed including a base, a fixed vertical plate, a U-shaped fixing frame, a lift plate, a bidirectional lead screw, a clamping plate, a driving motor, a sliding block and a grinding base, and a curved clamping plate is passed , a combination of limiting plate, bidirectional lead screw and compression spring to achieve stable fixation of bearings of different sizes and constant fit of polishing rods.

Benefits of technology

This device can effectively fix and shape the bearing inner ring of different sizes to ensure the polishing effect and avoid the occurrence of concave and convexity of the inner end surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a bearing inner ring surface shaping machine, which belongs to the technical field of machining, aims to solve the problems that the shaping machine is inconvenient to fix bearings with different specifications, and the pressure between a grinding wheel and an inner ring is difficult to keep balanced, so that the shaping effect is poor, and comprises a base, a fixed vertical plate is installed on the left side of the upper end face of the base, and two transverse rail grooves are formed in the right side of the upper end face of the base. And a main body of the fixing frame is of a U-shaped structure, the fixing frame is fixedly installed on the inner end face of the fixing vertical plate, and the lower end face of the fixing frame is fixedly connected with the base. According to the device, the compression spring is installed on the lower end face of the sliding block, the connecting rod at the upper end of the sliding block is fixedly connected with the polishing base, under the action of the elastic force of the compression spring, the polishing rod can be tightly attached to the bearing inner ring all the time, the pressure is kept constant, and the device can shape the bearing inner rings of different sizes; and the polishing effect can be guaranteed.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and more specifically, particularly relates to a bearing inner ring surface shaping machine. Background Art

[0002] Bearings are commonly used parts in the machining industry, including outer rings, inner rings, cages and balls. In order to reduce the friction between the bearing and the shaft, it is necessary to ensure that the surface of the inner ring of the bearing is smooth and clean, so the inner ring of the bearing needs to be reshaped.

[0003] However, the existing bearing inner ring shaping machines still have some shortcomings when used:

[0004] First, when the inner end surface of the inner ring of the bearing is ground and shaped, it is difficult to maintain a balanced pressure between the grinding wheel and the inner ring, which makes the inner end surface of the inner ring of the bearing prone to unevenness.

[0005] Secondly, bearings of different models have different sizes, and existing shaping machines are inconvenient when fixing bearings of different specifications. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a bearing inner ring surface shaping machine to solve the problem that the existing shaping machine is inconvenient when fixing bearings of different specifications, and the pressure between the grinding wheel and the inner ring is difficult to maintain a balance, which makes the inner end surface of the bearing inner ring prone to unevenness.

[0007] The purpose and effect of the bearing inner ring surface shaping machine of the utility model are achieved by the following specific technical means: a bearing inner ring surface shaping machine comprises a base;

[0008] A fixed vertical plate is installed on the left side of the upper end surface of the base, and two transverse track grooves are provided on the right side of the upper end surface of the base;

[0009] A fixed frame, wherein the main body of the fixed frame is a U-shaped structure, the fixed frame is fixedly mounted on the inner end surface of the fixed vertical plate, and the lower end surface of the fixed frame is fixedly connected to the base;

[0010] A lifting plate, wherein two groups of lifting plates are provided at the top and the bottom, the surface of the lifting plate is provided with threads, and a clamping plate is fixedly installed on the inner end surface of the lifting plate;

[0011] A bidirectional lead screw, wherein the lower end surface of the bidirectional lead screw is rotatably connected to the base, the upper end of the bidirectional lead screw passes through the top plate surface of the fixed frame and is fixedly connected to the knob, and the bidirectional lead screw is threadedly connected to the two lifting plates;

[0012] A fixing seat, the fixing seat is located on the upper end surface of the base, and a connecting plate is respectively installed at the front and rear ends of the fixing seat;

[0013] A driving motor, wherein two sets of inclined support rods are fixedly mounted on the lower end surface of the driving motor, the lower end surfaces of the support rods are fixedly connected to the fixing seat, and the driving shaft surface at the front end of the driving motor is fixed to a fixing plate;

[0014] A fixed cylinder, wherein three fixed cylinders are provided in total, and the fixed cylinders are fixedly mounted on the outer end surface of the fixed plate, and the three fixed cylinders are arranged in an annular structure;

[0015] A sliding block, wherein the main body of the sliding block is a circular plate structure, the outer end surface of the sliding block is in contact with the inner wall of the fixed cylinder, and the upper end surface of the sliding block is fixed to the connecting rod;

[0016] The grinding seat has a U-shaped main body, a grinding rod is rotatably connected inside the grinding seat, and the grinding seat is fixedly mounted on the top surface of the connecting rod.

[0017] Furthermore, vertical track grooves are formed on the inner end surfaces of the side plates at both ends of the fixed frame, and a limiting block is respectively installed at both ends of the lifting plate, and the limiting block is slidably mounted inside the vertical track grooves.

[0018] Furthermore, the clamping plate is an arc-shaped structure, and two limit plates are installed on the inner end surface of the clamping plate, and the outer end surfaces of the two limit plates are flush with the front and rear end surfaces of the clamping plate respectively.

[0019] Furthermore, a fastening block is slidably mounted inside the transverse track groove, and a connecting screw is fixedly mounted at the middle position of the upper end surface of the fastening block.

[0020] Furthermore, two through holes are provided on the surface of the connecting plate, and the connecting screw on the upper end surface of the fastening block is clamped in the through holes on the surface of the connecting plate, and a nut is provided on the surface of the connecting screw.

[0021] Furthermore, a compression spring is fixedly mounted on the lower end surface of the sliding block, and four limiting columns are mounted in a ring shape on the outer end surface of the connecting rod.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1. The main body of the clamping plate is an arc-shaped structure, and two limit plates are installed on the inner end surface of the clamping plate, so that when workers are grinding the inner ring of the bearing, they can clamp the inner ring of the bearing between the two limit plates, thereby fixing bearings of different sizes.

[0024] 2. Through the setting of the bidirectional lead screw and the two lifting plates threaded connection, the two clamping plates will move towards each other at the same time, and then the two clamping plates will fix the inner ring of the bearing. The fastening block is slidably mounted inside the transverse track groove, and the connecting screw at the upper end of the fastening block is clamped in the through hole on the surface of the connecting plate. Workers can adjust the left and right position of the fixed seat by moving the fastening block, so that the grinding seat and the grinding rod are located inside the inner ring of the bearing.

[0025] 3. A sliding block is provided inside the fixed cylinder, and a compression spring is installed on the lower end surface of the sliding block. The connecting rod at the upper end of the sliding block is fixedly connected to the grinding seat. Under the action of the elastic force of the compression spring, the grinding rod can always fit tightly with the inner ring of the bearing to keep the pressure constant. This device can not only shape the inner rings of bearings of different sizes, but also ensure the grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall device structure of the utility model.

[0027] Figure 2 It is a schematic diagram of the structure of the base, the fixed vertical plate and the fixed frame of the utility model.

[0028] Figure 3 It is a schematic diagram of the connection structure of the bidirectional lead screw and two lifting plates of the utility model.

[0029] Figure 4 It is a schematic diagram of the structure of the base, the fixing base and the driving motor of the utility model.

[0030] Figure 5 It is a structural schematic diagram of a fixing plate and three fixing cylinders of the utility model.

[0031] Figure 6 It is a schematic diagram of the cross-sectional structure of the fixing cylinder of the utility model.

[0032] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0033] 1. Base; 101. Horizontal track groove; 102. Fixed vertical plate; 2. Fixed frame; 201. Vertical track groove; 3. Lifting plate; 301. Limiting block; 302. Clamping plate; 3021. Limiting plate; 4. Bidirectional lead screw; 5. Fixed seat; 501. Connecting plate; 5011. Through hole; 6. Fastening block; 601. Connecting screw; 7. Driving motor; 701. Support rod; 702. Fixed plate; 8. Fixed cylinder; 9. Sliding block; 901. Compression spring; 902. Connecting rod; 10. Grinding seat; 1001. Grinding rod. DETAILED DESCRIPTION

[0034] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0035] Embodiment 1:

[0036] As attached Figure 1 To Attachment Figure 6 As shown:

[0037] The utility model provides a bearing inner ring surface shaping machine, comprising a base 1;

[0038] A fixed vertical plate 102 is installed at the left side of the upper end surface of the base 1, and two horizontal track grooves 101 are opened at the right side of the upper end surface of the base 1;

[0039] The fixing frame 2 has a U-shaped main body, and the fixing frame 2 is fixedly mounted on the inner end surface of the fixing vertical plate 102, and the lower end surface of the fixing frame 2 is fixedly connected to the base 1;

[0040] The lifting plate 3 is provided with two groups at the top and the bottom. The surface of the lifting plate 3 is provided with threads. The inner end surface of the lifting plate 3 is fixedly provided with a clamping plate 302.

[0041] A bidirectional lead screw 4, the lower end surface of which is rotatably connected to the base 1, the upper end of which passes through the top plate surface of the fixed frame 2 and is fixedly connected to the knob, and the bidirectional lead screw 4 is threadedly connected to the two lifting plates 3;

[0042] A fixing seat 5, the fixing seat 5 is located on the upper end surface of the base 1, and a connecting plate 501 is respectively installed at the front and rear ends of the fixing seat 5;

[0043] The driving motor 7 has two sets of inclined support rods 701 fixedly mounted on its lower end surface. The lower end surface of the support rods 701 is fixedly connected to the fixing seat 5. The driving shaft surface at the front end of the driving motor 7 is fixed to a fixing plate 702.

[0044] A fixed cylinder 8, wherein three fixed cylinders 8 are provided in total, and the fixed cylinders 8 are fixedly mounted on the outer end surface of the fixed plate 702, and the three fixed cylinders 8 are arranged in a ring structure;

[0045] Sliding block 9, the main body of sliding block 9 is a circular plate structure, the outer end surface of sliding block 9 is in contact with the inner wall of fixed cylinder 8, and the upper end surface of sliding block 9 is fixed with connecting rod 902;

[0046] The grinding seat 10 has a U-shaped main body, a grinding rod 1001 is rotatably connected inside the grinding seat 10 , and the grinding seat 10 is fixedly mounted on the top surface of the connecting rod 902 .

[0047] Among them, vertical track grooves 201 are opened on the inner end surfaces of the side plates at both ends of the fixed frame 2, and a limit block 301 is installed at each end of the lifting plate 3. The limit block 301 is slidably mounted in the vertical track groove 201. During use, when the worker rotates the bidirectional screw 4, the limit block 301 is slidably mounted in the vertical track groove 201, so that when the bidirectional screw 4 rotates, the two lifting plates 3 can move towards each other, and the two clamping plates 302 can fix the inner ring of the bearing.

[0048] Among them, the clamping plate 302 is an arc-shaped structure, and two limit plates 3021 are installed on the inner end surface of the clamping plate 302. The outer end surfaces of the two limit plates 3021 are flush with the front and rear end surfaces of the clamping plate 302 respectively. The inner ring of the bearing is clamped between the two limit plates 3021, which can improve the stability of the inner ring of the bearing.

[0049] Among them, a fastening block 6 is slidably mounted inside the transverse track groove 101, and a connecting screw 601 is fixedly mounted in the middle position of the upper end surface of the fastening block 6. Two through holes 5011 are provided on the surface of the connecting plate 501, and the connecting screw 601 on the upper end surface of the fastening block 6 is clamped in the through holes 5011 on the surface of the connecting plate 501. A nut is provided on the surface of the connecting screw 601. After the worker tightens the nut on the surface of the connecting screw 601, the fixing seat 5 can be fixed on the surface of the base 1.

[0050] Among them, a compression spring 901 is fixedly installed on the lower end surface of the sliding block 9, and four limit columns are installed in a ring shape on the outer end surface of the connecting rod 902. Under the action of the elastic force of the compression spring 901, the grinding rod 1001 can fit tightly with the inner ring of the bearing.

[0051] The specific usage and function of this embodiment are as follows:

[0052] In the present invention, the main body of the clamping plate 302 is an arc-shaped structure, and two limit plates 3021 are installed on the inner end surface of the clamping plate 302, so that when the worker is grinding the inner ring of the bearing, the inner ring of the bearing can be clamped between the two limit plates 3021, and then the bidirectional lead screw 4 is rotated. The setting of the threaded connection between the bidirectional lead screw 4 and the two lifting plates 3 makes the two clamping plates 302 move toward each other at the same time, and then the two clamping plates 302 will fix the inner ring of the bearing, and the fastening block 6 is slidably clamped in the inside of the transverse track groove 101, and the connecting screw 601 at the upper end of the fastening block 6 is clamped in the through hole 5011 on the surface of the connecting plate 501. The worker can adjust the fixing seat by moving the fastening block 6 5, so that the grinding seat 10 and the grinding rod 1001 are located inside the inner ring of the bearing, and then the nut on the surface of the connecting screw 601 is tightened, the fixing seat 5 can be fixed on the surface of the base 1, and the driving motor 7 can be started at this time, and the driving motor 7 can drive the fixing plate 702 to rotate, and a sliding block 9 is provided inside the fixing cylinder 8, and a compression spring 901 is installed on the lower end surface of the sliding block 9, and the connecting rod 902 at the upper end of the sliding block 9 is fixedly connected with the grinding seat 10, and under the action of the elastic force of the compression spring 901, the grinding rod 1001 can be closely fitted with the inner ring of the bearing at all times, which not only allows the device to shape the inner rings of bearings of different sizes, but also ensures the grinding effect.

[0053] Embodiment 2: Based on the fixed plate 702 in embodiment 1, three fixed cylinders 8 are installed in a ring shape on the outer end surface of the fixed plate 702. In actual application, workers can increase the number of fixed cylinders 8 according to the size of the fixed plate 702. For example, four fixed cylinders 8 are installed on the outer end surface of the fixed plate 702. In this way, there will be four grinding rods 1001 to grind the inner ring of the bearing, thereby improving the grinding effect.

Claims

1. A bearing inner ring surface shaping machine, characterized in that: The invention comprises a base (1), wherein a fixed vertical plate (102) is installed at the left side of the upper end surface of the base (1), and two transverse track grooves (101) are provided at the right side of the upper end surface of the base (1); a fixed frame (2), wherein the main body of the fixed frame (2) is a U-shaped structure, the fixed frame (2) is fixedly installed on the inner end surface of the fixed vertical plate (102), and the lower end surface of the fixed frame (2) is fixedly connected to the base (1); and a lifting plate (3), wherein the lifting plate (3) is provided with two groups of lifting plates at the top and the bottom. The surface of the lowering plate (3) is provided with threads, and the inner end surface of the lifting plate (3) is fixedly mounted with a clamping plate (302); a bidirectional lead screw (4), the lower end surface of the bidirectional lead screw (4) is rotatably connected to the base (1), the upper end of the bidirectional lead screw (4) passes through the top plate surface of the fixing frame (2) and is fixedly connected to the knob, and the bidirectional lead screw (4) is threadedly connected to the two lifting plates (3); a fixing seat (5), the fixing seat (5) is located on the upper end surface of the base (1), and the front end of the fixing seat (5) is A connecting plate (501) is respectively installed at the two rear ends; a driving motor (7), wherein two groups of inclined support rods (701) are fixedly installed on the lower end surface of the driving motor (7), wherein the lower end surface of the support rods (701) is fixedly connected to the fixed seat (5), and the driving shaft surface at the front end of the driving motor (7) is fixed to the fixed plate (702); a fixing cylinder (8), wherein a total of three fixing cylinders (8) are provided, wherein the fixing cylinders (8) are fixedly installed on the outer end surface of the fixed plate (702), and the three fixing cylinders (8) are arranged in a ring structure; a sliding block (9), wherein the main body of the sliding block (9) is a circular plate structure, wherein the outer end surface of the sliding block (9) is in contact with the inner wall of the fixed cylinder (8), and the upper end surface of the sliding block (9) is fixed to the connecting rod (902); and a grinding seat (10), wherein the main body of the grinding seat (10) is a U-shaped structure, wherein a grinding rod (1001) is rotatably connected inside the grinding seat (10), and the grinding seat (10) is fixedly installed on the top surface of the connecting rod (902).

2. A bearing inner ring surface shaping machine as claimed in claim 1, characterized in that: The inner end surfaces of the side plates at both ends of the fixed frame (2) are provided with vertical track grooves (201), and a limiting block (301) is respectively installed at both ends of the lifting plate (3), and the limiting block (301) is slidably mounted inside the vertical track groove (201).

3. A bearing inner ring surface shaping machine as claimed in claim 1, characterized in that: The clamping plate (302) is an arc-shaped structure, and two limit plates (3021) are installed on the inner end surface of the clamping plate (302), and the outer end surfaces of the two limit plates (3021) are respectively flush with the front and rear end surfaces of the clamping plate (302).

4. A bearing inner ring surface shaping machine as claimed in claim 1, characterized in that: A fastening block (6) is slidably mounted inside the transverse track groove (101), and a connecting screw (601) is fixedly mounted at the middle position of the upper end surface of the fastening block (6).

5. A bearing inner ring surface shaping machine as claimed in claim 1, characterized in that: The surface of the connecting plate (501) is provided with two through holes (5011), the connecting screw (601) on the upper end surface of the fastening block (6) is clamped in the through holes (5011) on the surface of the connecting plate (501), and a nut is provided on the surface of the connecting screw (601).

6. A bearing inner ring surface shaping machine as claimed in claim 1, characterized in that: A compression spring (901) is fixedly mounted on the lower end surface of the sliding block (9), and four limiting columns are mounted in a ring shape on the outer end surface of the connecting rod (902).