CN216463512U

CN216463512U - Rotary table for grinding end face of roller

Info

Publication number: CN216463512U
Application number: CN202123197524.9U
Authority: CN
Inventors: 孔维涛; 王云龙; 魏彪
Original assignee: Jiangsu Xigun Bearing Technology Co ltd
Current assignee: Jiangsu Xigun Bearing Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-10
Anticipated expiration: 2031-12-17

Abstract

The utility model belongs to the technical field of the technique of bearing processing and specifically relates to a carousel for roller end face grinding is disclosed, including the carousel body, it has the mounting groove to open on the carousel body, be equipped with first location core and second location core in the mounting groove, first location core with the tight groove of clamp has all been seted up on the relative lateral wall on the second location core, two the tight work piece of clamp cooperation clamp, the tight groove of clamp is including consecutive first groove section, second groove section and third groove section, the periphery wall of the work piece is all laminated to first groove section and third groove section. This application is through two tight rollers in tight groove of clamp for four points on the roller raceway surface and the tight groove of clamp form four points spacing, have injectd the axial of roller and the ascending degree of freedom in vertical side, and the roller can't remove, and at end face machining's in-process, the roller axis keeps perpendicular with the grinding terminal surface, has improved the yields of roller processing.

Description

Rotary table for grinding end face of roller

Technical Field

The application relates to the technical field of bearing machining, in particular to a rotary table for grinding end faces of rollers.

Background

The rolling body is a core element of the rolling bearing, bears load when the bearing runs, and mainly comprises a steel ball and a roller. During the machining process, the end faces of the rollers need to be ground.

As shown in fig. 1, a turntable is commercially available, which includes a turntable body 1 and a plurality of cores 2 embedded in the turntable body 1, and each core 2 is provided with a processing hole 21 for accommodating a roller.

In practical use, the roller enters the processing hole under the guidance of the feeding guide pipe, and then the external processing equipment grinds the end face of the roller. However, since there is a gap between the roller and the hole wall of the machined hole, the roller is likely to tilt to one side during the end face machining, and thus the end face of the roller after grinding is not perpendicular to the axis of the roller, resulting in a low yield of the roller in machining.

SUMMERY OF THE UTILITY MODEL

In order to guarantee that the end face of roller is perpendicular with the axis of roller after the grinding, improve the yields of roller processing, the technical scheme of this application provides a carousel for roller end face grinding. The technical scheme is as follows:

the application provides a carousel for roller end face grinding, including the carousel body, it has the mounting groove to open on the carousel body, be equipped with first location core and second location core in the mounting groove, first location core with press from both sides tight groove, two have all been seted up on the relative lateral wall on the second location core press from both sides tight groove cooperation and press from both sides tight work piece, press from both sides tight groove including consecutive first groove section, second groove section and third groove section, the periphery wall of the work piece is all laminated to first groove section and third groove section.

Through above-mentioned technical scheme, two tight rollers of tight groove for four points on the roller raceway surface form four points spacing with two tight groove configurations, have injectd the ascending degree of freedom of roller axial and vertical side, and the roller can't remove, at the in-process of facing (operation), makes roller axis and grinding terminal surface keep perpendicular, has improved the yields of roller processing.

Further, the second positioning core is in sliding fit with the turntable body, a third positioning core is arranged in the mounting groove, and a tightening component is connected between the third positioning core and the second positioning core.

Specifically, the abutting assembly comprises a guide pin connected to the third positioning core and an elastic piece sleeved on the third positioning core, the guide pin penetrates through the second positioning core, and the elastic piece is extruded between the third positioning core and the second positioning core.

Particularly, a first placing groove is formed in the third positioning core, a second placing groove is formed in the second positioning core, one end of the elastic piece abuts against the groove bottom of the first placing groove, and the other end of the elastic piece abuts against the groove bottom of the second placing groove.

Furthermore, a first placing groove is formed in the third positioning core, a second placing groove is formed in the second positioning core, one end of the elastic piece abuts against the groove bottom of the first placing groove, and the other end of the elastic piece abuts against the groove bottom of the second placing groove.

Specifically, the guide pin is screwed to the third positioning core.

In particular, the elastic member is a spring.

Compared with the prior art, the application has the beneficial effects that: during machining, the roller enters the two clamping grooves, and the spring applies pressure to the second positioning core, so that the second positioning core moves towards the first positioning core until the workpiece is clamped between the two clamping grooves. Four points on the roller raceway surface and two clamping grooves form four-point spacing, the axial degree of freedom and the vertical direction of the roller are limited, the roller cannot move, the axis of the roller is perpendicular to the grinding end surface in the end surface machining process, and the yield of roller machining is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application, in which:

FIG. 1 is a schematic structural diagram of a turntable in the prior art;

FIG. 2 is a schematic diagram of the overall structure of the present application;

fig. 3 is a schematic structural diagram of a fastening assembly according to the present application.

Reference numerals: 1. a turntable body; 11. fixing grooves; 12. mounting grooves; 2. a core body; 21. Machining a hole; 3. a feeding conduit; 4. a first positioning core; 5. a second positioning core; 6. a third positioning core; 7. a clamping groove; 71. a first groove section; 72. a second groove section; 73. a third groove section; 8. a propping component; 81. a guide pin; 82. an elastic member; 9. a first placing groove; 10. and a second placing groove.

Detailed Description

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

the present application is described in further detail below with reference to fig. 2-3.

As shown in fig. 2 and 3, the present application provides a roller end face grinding turntable, which comprises a turntable body 1, wherein a plurality of mounting grooves 12 are arranged on the turntable body 1 in a central symmetry manner, and a first positioning core 4, a second positioning core 5 and a third positioning core 6 are arranged in each mounting groove 12.

Referring to fig. 3, the first positioning core 4 is semicircular, and the first positioning core 4 is connected to the turntable body 1 through a bolt. The third location core 6 is semicircle ring-shaped, and the external diameter of third location core 6 equals with the diameter of first location core 4, and third location core 6 passes through the bolt and links to each other with carousel body 1. The second location core 5 is located between the first location core 4 and the third location core 6, and the second location core 5 is semicircle-shaped and sets up, and the diameter of the second location core 5 is less than the internal diameter of the third location core 6.

As shown in fig. 2, the clamping grooves 7 are formed in the opposite side walls of the first positioning core 4 and the second positioning core 5, each clamping groove 7 comprises a first groove section 71, a second groove section 72 and a third groove section 73 which are sequentially connected, the first groove section 71 and the third groove section 73 are arc grooves, and the second groove section 72 is a square groove.

During the actual use, first groove section 71 and third groove section 73 all laminate the periphery wall of roller, and four points on the roller raceway surface and two clamping groove 7 form four spacing points, have injectd the degree of freedom on roller axial and the vertical direction, and the roller can't remove, and at the in-process of end face machining, the roller axis keeps perpendicular with the grinding terminal surface, has improved the yields of roller processing.

As shown in fig. 3, a tightening assembly 8 is connected between the third positioning core 6 and the second positioning core 5, and two tightening assemblies 8 are symmetrically arranged about the second positioning core 5. Each abutting assembly 8 has the same structure, and the following description will take one abutting assembly 8 as an example.

As shown in fig. 3, the tightening unit 8 includes a guide pin 81 and an elastic member 82. The guide pin 81 is screwed to the third positioning core 6, the guide pin 81 penetrates through the second positioning core 5, and the elastic member 82 is sleeved on the guide pin 81, in this embodiment, the elastic member 82 is a spring.

As shown in fig. 3, the third positioning core 6 is provided with a first placing groove 9, the second positioning core 5 is provided with a second placing groove 10, and the first placing groove 9 and the second placing groove 10 are arranged oppositely. One end of the spring is abutted against the groove bottom of the first placing groove 9, and the other end of the spring is abutted against the groove bottom of the second placing groove 10.

The implementation principle of the application is as follows: during machining, the rollers enter the two clamping grooves 7, and the spring applies pressure to the second positioning core 5, so that the second positioning core 5 moves towards the first positioning core 4 until the workpiece is clamped between the two clamping grooves 7. Four points on the roller raceway surface and the clamping groove 7 form four-point spacing, the axial degree of freedom and the vertical direction of the roller are limited, the roller cannot move, the axis of the roller is perpendicular to the grinding end surface in the end surface machining process, and the yield of roller machining is improved.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The utility model provides a carousel for roller end face grinding, a serial communication port, includes the carousel body, it has the mounting groove to open on the carousel body, be equipped with first location core and second location core in the mounting groove, first location core with press from both sides tight groove, two have all been seted up on the relative lateral wall on the second location core press from both sides tight groove cooperation and press from both sides tight work piece, press from both sides tight groove including consecutive first groove section, second groove section and third groove section, the periphery wall of work piece is all laminated to first groove section and third groove section.

2. The rotary table for grinding the end face of the roller according to claim 1, wherein the second positioning core is in sliding fit with the rotary table body, a third positioning core is arranged in the mounting groove, and a butting assembly is connected between the third positioning core and the second positioning core.

3. The turntable for grinding the end face of the roller as claimed in claim 2, wherein the abutting assembly comprises a guide pin connected to the third positioning core and an elastic member sleeved on the third positioning core, the guide pin penetrates through the second positioning core, and the elastic member is pressed between the third positioning core and the second positioning core.

4. The turntable for grinding an end face of a roller according to claim 3, wherein the third positioning core is provided with a first placing groove, the second positioning core is provided with a second placing groove, one end of the elastic member abuts against a groove bottom of the first placing groove, and the other end of the elastic member abuts against a groove bottom of the second placing groove.

5. The rotary table for grinding the end face of the roller according to claim 3, wherein two of the abutting assemblies are symmetrically arranged with respect to the second positioning core.

6. The rotary table for grinding a roller end face according to claim 3, wherein the guide pin is screwed to the third positioning core.

7. A roller end face grinding turntable according to claim 3, wherein the elastic member is a spring.