CN217914789U

CN217914789U - Grinding wheel dressing tool and machine tool with same

Info

Publication number: CN217914789U
Application number: CN202221651522.4U
Authority: CN
Inventors: 唐元超; 吴勃; 靳祖孟; 郭祥飞; 万心海; 李畅; 刘凯志; 杜传林
Original assignee: Shandong Zhaoyang Bearing Co ltd
Current assignee: Shandong Zhaoyang Bearing Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-11-29
Anticipated expiration: 2032-06-28

Abstract

The utility model provides a emery wheel renovation frock and lathe that is equipped with this frock belongs to bearing abrasive machining technical field. The utility model discloses a emery wheel renovation frock includes: the gyro wheel and the finishing layer. Wherein, the trimming layer is sleeved on the outer side of the roller; and a flanging is arranged on the trimming layer and is arranged on the outer edge of the trimming layer along the circumferential direction. The utility model discloses a grinding wheel renovation frock and the lathe that is equipped with this frock, through setting up the dressing layer shape and the bearing inner race raceway shape that will process with the grinding wheel renovation frock and match, make the dressing layer grind out the mould that matches with bearing inner race raceway shape on the emery wheel, effectively repair the shape of emery wheel, the precision of relative position and size between each shape mould of grinding out on the emery wheel has been guaranteed, change bearing inner race processing technology, solve the technology difficult point, the operating efficiency and the stability of the bearing of processing are promoted indirectly.

Description

Grinding wheel dressing tool and machine tool provided with same

Technical Field

The utility model relates to a bearing abrasive machining technical field, concretely relates to emery wheel renovation frock and the lathe of being equipped with this frock.

Background

At present, a large oil groove (hereinafter, collectively referred to as a large oil groove) on the reference surface end of the inner ring of the tapered roller bearing is generally machined on the inner ring of the bearing through a turning process, and due to the limitation of a tool on a lathe in the prior art, the size of the large oil groove is easily too large in the prior art, the size of the oil groove of the inner ring of the bearing machined through the process is generally more than 1.3mm, and the too large oil groove on the bearing can influence the contact area of a raceway and a flange in the bearing on a rolling body, so that the running efficiency of the bearing is reduced.

Therefore, in order to reduce the size of the large oil groove, increase the contact area of the inner raceway of the bearing and the flange to the rolling element, ensure the angle of the large flange of the inner ring of the bearing and improve the stability of the bearing, the processing technology of the large oil groove needs to be improved, and the processing procedure of the large oil groove is moved to the grinding processing procedure. Therefore, a grinding wheel dressing tool and a machine tool provided with the same are needed to be designed, and a grinding wheel capable of processing a bearing oil groove in a grinding process can be produced, so that the problems are solved.

SUMMERY OF THE UTILITY MODEL

In view of the shortcoming of above prior art, the utility model provides a lathe of emery wheel renovation frock and this frock is equipped with can grind out the inner wall shape of laminating in the bearing inner race raceway that will process on the emery wheel according to the demand to solve the emery wheel among the prior art and be difficult to grind the technical problem of manufacturing procedure to the bearing inner race raceway processing.

In order to achieve the above objects and other related objects, the present invention provides a grinding wheel dressing tool, which includes: the roller and the finishing layer.

Wherein, the dressing layer is sleeved on the outer side of the roller; and a flanging is arranged on the trimming layer, and the flanging is arranged on the outer edge of the trimming layer along the circumferential direction.

In an example of the present invention, a first dressing surface is provided on the dressing layer, and the first dressing surface is located at a circumferential outer edge of the dressing layer.

In an example of the present invention, a second trimming surface is provided on the flange, and the second trimming surface is connected to the first trimming surface.

In an example of the present invention, the shape of the second trimming surface matches the shape of the rib on the inner race of the bearing to be machined.

In an example of the present invention, the joint of the first and second trimming surfaces is provided with an oil drain.

In an example of the present invention, a shaft hole is provided in the roller, the shaft hole is followed the axis of the roller is disposed.

In an example of the present invention, at least two fixing holes are respectively disposed on the end faces of the two axial ends of the roller.

In an example of the present invention, the at least two fixing holes are symmetrically arranged on the end surface of the roller shaft.

In an example of the present invention, the material of the finishing layer is diamond.

The utility model also provides a lathe, install on the lathe in the above-mentioned any example emery wheel renovation frock.

The utility model discloses a lathe of emery wheel renovation frock and this frock is equipped with, through setting up the matching with the truing layer shape on the emery wheel renovation frock and the bearing inner race raceway shape of will processing, make the truing layer grind out the mould that matches with bearing inner race raceway shape on the emery wheel, effectively repair the shape of emery wheel, the precision of relative position and size between each shape mould of grinding out on the emery wheel has been guaranteed, change bearing inner race processing technology, solve the technology difficult point, indirectly promote the operating efficiency and the stability of the bearing of processing. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the grinding wheel dressing tool of the present invention.

Description of the element reference numerals

100. A roller; 110. a shaft hole; 120. a fixing hole; 200. trimming the layer; 210. first trimming and repairing; 220. Flanging; 221. second trimming and repairing; 230. and (7) an oil groove.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the present invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are used for descriptive purposes only and are not intended to limit the scope of the present invention, and that changes and modifications in the relative relationship may be made without substantial technical changes and modifications.

Please refer to fig. 1, the utility model provides a grinding wheel renovation tool and a machine tool equipped with the same, which can grind the inner wall shape of the roller path of the bearing inner ring to be processed on the grinding wheel according to the requirement, so as to solve the technical problem that the grinding wheel in the prior art is difficult to process the roller path of the bearing inner ring in the grinding process.

Referring to fig. 1, the grinding wheel truing tool includes a roller 100 and a truing layer 200. The roller 100 is removably mounted to a machine tool to facilitate grinding of the grinding wheel by the machine tool using a wheel truing fixture. The outer side of the roller 100 is sleeved with a trimming layer 200, the trimming layer 200 is fixedly arranged on the outer edge of the roller 100 along the circumferential direction, the shape of the trimming layer 200 is matched with that of a bearing inner ring raceway to be machined, the trimming layer 200 is fixed on a machine tool along with the roller 100 and used for grinding and molding a rotating grinding wheel blank, so that the shape of the inner wall of the grinding wheel after grinding is matched with that of the bearing inner ring raceway to be machined, and the grinding wheel can machine the bearing inner ring raceway according to design requirements.

The trimming layer 200 is further provided with a flanging 220, the flanging 220 is arranged on the outer edge of the trimming layer 200 along the circumferential direction, and the shape of the flanging 220 on the trimming layer 200 is matched with that of a flange on a bearing inner ring raceway to be machined, so that the trimming layer 200 can machine a die matched with the outer wall and the flange of the bearing inner ring raceway on a grinding wheel through the circumferential outer wall and the flanging 220.

Specifically, as shown in fig. 1, a first trimming surface 210 is arranged on the trimming layer 200, the first trimming surface 210 is located on the circumferential outer edge of the trimming layer 200, and the first trimming surface 210 is matched with the axial surface shape of the bearing inner ring raceway to be machined so as to be used for grinding the inner wall shape of the grinding wheel, so that the inner wall shape of the grinding wheel ground by the first trimming surface 210 is matched with the outer wall shape of the bearing inner ring raceway to be machined.

As shown in fig. 1, a second trimming surface 221 is arranged on the flange 220, the second trimming surface 221 on the flange 220 is connected with the first trimming surface 210 of the trimming layer 200, and the shape of the second trimming surface 221 is consistent with the shape of a rib on a raceway of a bearing inner ring to be processed. And a second trimming surface 221 of the upper flanging 220 of the trimming layer 200 grinds a female die matched with the shape of the rib of the bearing inner ring on the inner wall of the grinding wheel while the first trimming surface 210 grinds the shape of the inner wall of the grinding wheel.

Furthermore, in an embodiment of the present invention, the finishing layer 200 is further provided with an oil groove 230, the oil groove 230 is disposed at a position where the first finishing surface 210 is connected to the second finishing surface 221, the shape of the oil groove 230 matches with the shape of the oil groove on the bearing inner ring retainer to be processed, and the oil groove 230 is used for processing an oil groove male die at the joint of the retainer female die of the grinding wheel and the raceway inner ring inner wall when the finishing layer 200 grinds the shape of the grinding wheel inner wall. And the grinding wheel ground by the grinding wheel dressing tool simultaneously carries out grinding processing on the outer wall of the raceway of the inner ring of the bearing, the flanges and the oil grooves on the outer wall of the raceway according to design requirements when the raceway of the inner ring of the bearing is processed by the grinding wheel.

In the embodiment, the grinding wheel dressing tool carries out grinding processing on the grinding wheel through the dressing layer 200, and the inner wall of the grinding wheel is dressed to be in a shape of being attached to the inner ring raceway of the bearing and the flanges and the oil grooves on the outer wall of the raceway.

Referring to fig. 1, in an embodiment of the present invention, a shaft hole 110 is disposed in the roller 100, the shaft hole 110 is disposed along a central axis of the roller 100 in the roller 100, and the shaft hole 110 extends from one end of the roller 100 to the other end along an axial direction. The shaft hole 110 of the roller 100 is used for being penetrated and installed on a fixed shaft of a machine tool when the grinding wheel dressing tool is installed on the machine tool, so as to limit the grinding wheel dressing tool on the machine tool.

As shown in fig. 1, in the present embodiment, at least two fixing holes 120 are respectively provided on end surfaces of both ends of the roller 100 in the axial direction, and the roller 100 is detachably mounted on the machine tool through the fixing holes 120, so that the grinding wheel truing tool is fixedly mounted on the machine tool. The connection mode between the end surface of the roller 100 and the machine tool may be any one of the connection modes in the prior art, for example, the connection mode between the end surface of the roller 100 and the machine tool is a threaded connection, and the fixing hole 120 on the end surface of the roller 100 is a threaded hole.

It should be noted that the type of material used for the trimming layer 200 is not limited, and in an embodiment of the present invention, the material used for the trimming layer 200 is diamond.

Referring to fig. 1, in an embodiment of the present invention, the present invention further provides a machine tool, on which the grinding wheel dressing tool described in any one of the above embodiments is installed.

The utility model discloses a grinding wheel renovation frock and the lathe that is equipped with this frock, through setting up the dressing layer shape and the bearing inner race raceway shape that will process with the grinding wheel renovation frock and match, make the dressing layer grind out the mould that matches with bearing inner race raceway shape on the emery wheel, effectively repair the shape of emery wheel, the precision of relative position and size between each shape mould of grinding out on the emery wheel has been guaranteed, change bearing inner race processing technology, solve the technology difficult point, the operating efficiency and the stability of the bearing of processing are promoted indirectly. Therefore, the utility model discloses thereby some practical problems among the prior art have effectively been overcome and very high value of utilization and use meaning have.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a emery wheel renovates frock which characterized in that includes:

a roller;

the trimming layer is sleeved on the outer side of the roller;

the trimming layer is provided with a flanging, and the flanging is arranged on the outer edge of the trimming layer along the circumferential direction.

2. The grinding wheel dressing tool according to claim 1, wherein a first dressing surface is provided on the dressing layer, and the first dressing surface is located at a circumferential outer edge of the dressing layer.

3. The grinding wheel dressing tool according to claim 2, wherein a second dressing surface is provided on the flange, and the second dressing surface is connected with the first dressing surface.

4. The grinding wheel truing tool of claim 3 wherein said second truing surface has a shape matching the shape of the ribs on the inner race of the bearing to be machined.

5. The grinding wheel truing tool of claim 3 wherein an oil groove is provided at the junction of the first truing surface and the second truing surface.

6. The wheel truing tool of claim 1 wherein said roller has an axial bore formed therein, said axial bore being disposed along a central axis of said roller.

7. The grinding wheel dressing tool according to claim 1, wherein at least two fixing holes are provided in end faces of both axial ends of the roller, respectively.

8. The grinding wheel truing tool of claim 7 wherein said at least two attachment holes are centrally symmetrically disposed on the end face of said roller shaft.

9. The wheel truing tool of claim 1 wherein said truing layer is diamond.

10. A machine tool characterized in that the grinding wheel truing tool of any one of claims 1 to 9 is mounted on the machine tool.