Round blade for bearing machining

Abstract

The utility model relates to the technical field of turning tools, and discloses a round blade for bearing machining, which comprises a disc-shaped tool rest, and a through hole is formed in the circle center of the tool rest; a plurality of clamping grooves are evenly formed in the end face of the outer edge of the tool rest, and positioning holes are formed in the upper end faces of the clamping grooves. The positioning hole penetrates through the upper end face of the clamping groove. A blade body is arranged in the clamping groove, and the positioning hole is formed in the tail end of the blade body; the blade body is relatively and fixedly connected with the tool rest through a positioning hole and a screw, and the blade body is provided with three blades with different precision levels. According to the device, by integrating the blades with three kinds of precision, most bearings on the market can be turned under the condition that the tool changing process is not carried out, so that the bearing machining time is shortened, the factory unit output is improved, the blades which are seriously abraded due to long-time use can be conveniently replaced, and the machining efficiency is improved. And the device is always in an optimal working state.

Description

Technical Field

[0001] The utility model relates to the technical field of turning tools, in particular to a circular blade for bearing processing. Background Technique

[0002] The circular blade for bearing processing is a special tool for processing bearings. These blades are usually used in hard turning processes. Especially when processing large or high-precision bearings, the hard turning process has become the processing trend in the bearing industry due to its high efficiency and low cost. However, the existing circular blades for bearing processing still have certain defects. For example:

[0003] The "circular blade for bearing processing" with the application number 202122440225.7 includes a blade body and also includes a plurality of cutting parts. The plurality of cutting parts are circumferentially distributed on the outer periphery of the blade body. There is a spacing groove between two circumferentially adjacent cutting parts. The cutting part and the blade body are of an integral structure. The blade of the utility model evenly divides the whole circle into multiple pieces, which are relatively independent of each other, will not interfere with each other, and will not affect the normal use of other parts due to the damage of one of the tool tips. The operation of replacing the tool tip is simple; although this circular blade for bearing processing is carefully designed and has a plurality of evenly distributed blades, showing excellent durability, its blade models are relatively single. When facing the diverse requirements for processing precision grades, frequent tool changing operations have to be carried out, thus additionally increasing the complexity of the process flow. At the same time, due to the too small design of the blade spacing, when processing the surface of a bearing with a small size, it is easy for adjacent blades to interfere with each other. This defect makes it difficult to meet the usage requirements of specific application occasions and cannot meet the usage needs. In view of this, a circular blade for bearing processing is proposed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a circular blade for bearing processing to solve the problem that the existing circular blades for bearing processing in the above background technique cannot flexibly adjust the blade position according to the shape of the processing surface and the processing precision of the bearing parts to be processed.

[0005] To achieve the above object, the present utility model provides the following technical solutions: It includes a tool holder. The tool holder is disc-shaped, and a through hole is provided at the center of the tool holder. A plurality of clamping grooves are uniformly arranged on the outer edge end surface of the tool holder, and positioning holes are provided on the upper end surface of the clamping grooves. The positioning holes penetrate through the upper end surface of the clamping grooves. A blade body is arranged in the clamping groove, and a positioning hole is arranged at the tail end of the blade body. The blade body is fixedly connected to the tool holder relatively through the positioning hole and a screw, and three different precision-level blades are arranged on the blade body. A primary machining blade is ground at the tip of the blade body, and a tertiary machining blade is ground on the outer edge end surface of the blade body. A secondary machining blade is ground at the bent corner at the lower end of the blade body.

[0006] Adopting the above technical solutions is convenient for ensuring the stability of the overall structure. By setting multi-level blades, the tool changing process during bearing grinding machining is reduced, the overall machining speed of the bearing is increased, and the output efficiency of the factory is improved.

[0007] As a preferred technical solution of the present utility model, the upper end of the blade body is semi-circular.

[0008] Adopting the above technical solutions is convenient for reducing stress concentration, enhancing the bearing capacity and durability of the blade body, and prolonging its service life.

[0009] As a preferred technical solution of the present utility model, a chamfer is ground at the junction of the secondary machining blade and the tertiary machining blade.

[0010] Adopting the above technical solutions reduces the risk of accidental wear of the blade and protects the safety of the operator's fingers.

[0011] As a preferred technical solution of the present utility model, the primary machining blade is in the shape of a pointed knife. Heat dissipation holes are provided on the upper end surface of the tool holder, and the heat dissipation holes are arranged in an axial layout with the axis of the tool holder as the center. The heat dissipation holes penetrate through the tool holder.

[0012] Adopting the above technical solutions is convenient for fine machining of bearings with a smaller grinding surface, increasing the heat dissipation area of the tool holder and the blade body, and increasing the overall service life of the device.

[0013] As a preferred technical solution of the present utility model, the blade bodies are arranged in a circumferential rotation layout with the axis of the tool holder as the center, and the number of the blade bodies is six.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: By integrating blades of three precisions, the device can turn most bearings on the market without the tool change process, thus shortening the bearing processing time and increasing the unit output of the factory. In addition, the device has six blade bodies, with a long service life, and those blades severely worn due to long-term use can be conveniently replaced, ensuring that the device is always in the best working state, with stable structure and strong economic benefits.

[0015] 1. In specific operations, the operator will first clamp and fix the tool holder through the fixing device. Subsequently, according to the processing requirements of the bearing to be processed, the position of the tool holder is finely adjusted by adjusting relevant parameters on the fixing device, such as the tightness of the screws and the position of the slider. In this way, the blade body can be accurately positioned to the position in contact with the bearing to be processed. Through such adjustment, not only can the accuracy of the processing process be ensured, but also different grades of processing blades can be quickly replaced according to the requirements of different processing grades, so as to meet the needs of different processing tasks.

[0016] 2. For example, when rough processing the bearing to be processed, adjust the fixed angle of the tool holder, and make the third-level processing blade abut against the grinding surface of the bearing to be processed; when performing general-precision processing on the bearing to be processed, adjust the fixed angle of the tool holder, and make the second-level processing blade contact the grinding surface of the bearing to be processed; when performing finish processing on the bearing to be processed, adjust the fixed angle of the tool holder, and make the first-level processing blade contact the grinding surface of the bearing to be processed.

[0017] 3. When the blade body is severely worn and needs to be replaced, remove the screw fixed at the upper end of the positioning hole, and then remove the blade body to be replaced. Fix the brand-new blade body to the tool holder relatively through the positioning hole and the screw. Description of the Drawings

[0018] Figure 1 is a top-down three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a bottom-up three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 3 is a front-view structural schematic diagram of the present utility model;

[0021] Figure 4 is a three-dimensional structural schematic diagram of the tool holder of the present utility model;

[0022] Figure 5 is a structural schematic diagram of the blade body of the present utility model.

[0023] In the figure: 1. Tool rest; 2. Blade body; 3. Through hole; 4. Heat dissipation hole; 5. Positioning hole; 6. Secondary processing blade; 7. Tertiary processing blade; 8. Primary processing blade; 9. Clamping groove. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-5 , the technical solution of the present invention: A circular blade for bearing processing, the tool rest 2 is disc-shaped, and a through hole 3 is provided at the center of the circle of the tool rest 2; a plurality of clamping grooves 9 are uniformly arranged on the outer edge end face of the tool rest 2, and a positioning hole 5 is provided on the upper end face of the clamping groove 9; the positioning hole 5 penetrates the upper end face of the clamping groove 9; a blade body 2 is arranged in the clamping groove 9, and a positioning hole 5 is provided at the tail end of the blade body 2; the blade body 2 is relatively fixedly connected to the tool rest 2 through the positioning hole 5 and screws, and three different precision-level blades are provided on the blade body 2; a primary processing blade 8 is ground at the tip of the blade body 2, and a tertiary processing blade 7 is ground on the outer edge end face of the blade body 2; a secondary processing blade 6 is ground at the lower bent corner of the blade body 2, which is convenient for ensuring the stability of the overall structure. By setting multi-level blades, the tool change process during bearing grinding processing is reduced, the overall processing speed of the bearing is increased, and the output efficiency of the factory is improved;

[0026] The upper end of the blade body 2 is semi-circular, which is convenient for reducing stress concentration, increasing the bearing capacity of the blade body 2 and the service life of the blade body 2;

[0027] A chamfer is ground at the junction of the secondary processing blade 6 and the tertiary processing blade 7 to prevent accidental wear of the blade body 2 and prevent cutting the fingers of the staff;

[0028] The primary processing blade 8 is in the shape of a sharp knife; heat dissipation holes 4 are provided on the upper end face of the tool rest 2, and the heat dissipation holes 4 are axially arranged with the axis of the tool rest 1 as the center of the circle; the heat dissipation holes 4 penetrate the tool rest 1, which is convenient for fine processing of bearings with a small grinding surface and increasing the heat dissipation area of the tool rest 1 and the blade body 2, and increasing the service life of the whole device;

[0029] The blade body 2 is circumferentially rotated and arranged with the axis of the tool rest 1 as the center of the circle, and the number of the blade bodies 2 is six;

[0030] Working principle: In specific operations, the operator will first clamp and fix the tool rest 1 through the fixing device. Subsequently, according to the processing requirements of the bearing to be processed, by adjusting relevant parameters on the fixing device, such as the tightness of screws, the position of the slider, etc., the position of the tool rest 1 is finely adjusted. In this way, the blade body 2 can be accurately positioned to the position in contact with the bearing to be processed. Through such adjustments, not only can the accuracy of the processing process be ensured, but also different grades of processing blades can be quickly replaced according to the requirements of different processing grades, so as to meet the needs of different processing tasks;

[0031] For example, when rough machining the bearing to be processed, adjust the fixed angle of the tool rest 1 so that the third-level processing blade 7 abuts against the grinding surface of the bearing to be processed; when performing general-precision machining on the bearing to be processed, adjust the fixed angle of the tool rest 1 so that the second-level processing blade 6 contacts the grinding surface of the bearing to be processed; when performing finish machining on the bearing to be processed, adjust the fixed angle of the tool rest 1 so that the first-level processing blade 8 contacts the grinding surface of the bearing to be processed;

[0032] When the blade body 2 is severely worn and needs to be replaced, remove the screw fixed at the upper end of the positioning hole 5, and then remove the blade body 2 to be replaced. Fix the brand-new blade body to the tool rest 1 relatively through the positioning hole 5 and the screw.

[0033] 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 these 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 circular blade for bearing processing, comprising a tool holder (1), characterized in that: The tool rest (1) is disc-shaped, and a through hole (3) is provided at the center of the tool rest (1); a plurality of clamping grooves (9) are evenly arranged on the outer edge end face of the tool rest (1), and a positioning hole (5) is provided on the upper end face of the clamping groove (9); the positioning hole (5) penetrates through the upper end face of the clamping groove (9); a blade body (2) is arranged in the clamping groove (9), and the positioning hole (5) is provided at the tail end of the blade body (2); the blade body (2) is relatively fixedly connected to the tool rest (1) through the positioning hole (5) and screws, and three different precision-level blades are provided on the blade body (2); a primary machining blade (8) is ground at the tip of the blade body (2), and a tertiary machining blade (7) is ground on the outer edge end face of the blade body (2); a secondary machining blade (6) is ground at the lower bend of the blade body (2).

2. A circular blade for bearing processing according to claim 1, characterized in that: The upper end of the blade body (2) is semi-circular in shape.

3. The circular blade for bearing processing according to claim 2, characterized in that: A chamfer is ground at the junction of the secondary machining blade (6) and the tertiary machining blade (7).

4. A circular blade for bearing processing according to claim 3, characterized in that: The primary machining blade (8) is in the shape of a pointed knife; a heat dissipation hole (4) is provided on the upper end face of the tool rest (1), and the heat dissipation holes (4) are axially arranged with the axis of the tool rest (1) as the center; the heat dissipation holes (4) penetrate through the tool rest (1).

5. A circular blade for bearing processing according to claim 4, characterized in that: The blade bodies (2) are circumferentially and rotationally arranged with the axis of the tool rest (1) as the center, and the number of the blade bodies (2) is six.

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