CN212977941U

CN212977941U - Universal tool for machining and positioning bearing ring

Info

Publication number: CN212977941U
Application number: CN202022040804.8U
Authority: CN
Inventors: 张上礼
Original assignee: Xinchang Jianfeng Bearing Co ltd
Current assignee: Xinchang Jianfeng Bearing Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-16
Anticipated expiration: 2030-09-17

Abstract

The invention provides a universal tool for processing and positioning a bearing ring, which comprises a fixed shaft, a positioner and a locking assembly, wherein the positioner and the locking assembly are arranged on the fixed shaft; the fixed shaft comprises a main body structure and a matching section at one end of the main body structure, the free end of the matching section is provided with a connecting section, the diameter of the matching section is smaller than that of the main body structure, the diameter of the connecting section is smaller than that of the matching section, and a matching surface is formed at the joint of the matching section and the main body structure; and after a locking nut in the locking assembly is screwed on the connecting section, the workpiece is locked and fixed on the positioner. The positioning steps with different diameters arranged on the base body can be matched with bearing ring workpieces with different specifications, and can effectively clamp and fix the workpieces after the locking nuts are screwed and tightened by matching with the cushion blocks with different thicknesses and diameters.

Description

Universal tool for machining and positioning bearing ring

Technical Field

The invention belongs to the technical field of bearing production and processing, and particularly relates to a universal tool for processing and positioning a bearing ring.

Background

Bearing rings are important components of bearing products and usually require a grinding process on their outer surfaces prior to assembly and manufacture. Because the bearing ring is the ring structure, when processing, need fix its centre gripping with anchor clamps, the clamping jaw that most adopted of current anchor clamps, because the clamping jaw adopts metal material more, when centre gripping fixed bearing ring, produce the indentation to the work piece easily, influence product quality to, the clamping jaw centre gripping is fixed at the work piece outer fringe, can influence surface machining. In addition, the operation of clamping and fixing the bearing ring workpiece by using the clamping jaws is very inconvenient, the workpiece may fall off due to slight negligence, and a workpiece machining center is not easy to align.

Disclosure of Invention

In view of this, the invention provides a universal tool for machining and positioning a bearing ring, aiming to overcome the defects in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a universal tool for machining and positioning a bearing ring comprises a fixed shaft, a positioner and a locking assembly, wherein the positioner and the locking assembly are mounted on the fixed shaft; the fixed shaft comprises a main body structure and a matching section at one end of the main body structure, a connecting section is arranged at the free end of the matching section, the diameter of the matching section is smaller than that of the main body structure, the diameter of the connecting section is smaller than that of the matching section, and a matching surface is formed at the joint of the matching section and the main body structure; after a locking nut in the locking assembly is screwed on the connecting section, the workpiece is locked and fixed on the positioner; the positioner comprises a base body sleeved on the connecting section, a plurality of positioning steps are arranged on the outer wall of the base body, the diameter of each positioning step is gradually reduced, and a workpiece positioning surface is formed on one side of each positioning step, which is different from the side facing the main body structure; the end face of the base body, which faces one side of the matching surface, is provided with a plurality of positioning columns, and the matching surface is provided with positioning holes which are matched with the positioning columns one by one.

Furthermore, 2-3 positioning columns are arranged on the base body.

Furthermore, 3-5 positioning steps are arranged on the outer wall of the base body.

Furthermore, a plurality of openings are uniformly distributed on each positioning step along the radial direction.

Furthermore, an adjusting cushion block assembly is arranged on the inner side of the lock nut.

Further, the adjusting cushion block assembly comprises at least one cushion block sleeved on the matching section.

Further, the depth of the positioning hole is larger than the length of the positioning column.

Compared with the prior art, the invention has the following advantages:

the workpiece clamping and fixing device is reasonable in structural design, the center of a workpiece can be accurately determined by adjusting the position of the fixing shaft, frequent debugging and alignment are not needed, and time and labor are saved during workpiece clamping and fixing operation. The positioning steps with different diameters arranged on the base body can be matched with bearing ring workpieces with different specifications, and can be matched with cushion blocks with different thicknesses and diameters to effectively clamp and fix the workpieces after screwing the locking nuts, so that the fixture is suitable for production of workpieces with various specifications, and has good universality. The workpiece clamping operation is simple and easy to implement, and the production efficiency is effectively improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a structural sectional view of the invention;

FIG. 3 is a schematic view of a stationary shaft portion in an embodiment of the invention;

fig. 4 is a schematic view of a positioner in an embodiment of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A universal tool for machining and positioning a bearing ring is shown in figures 1 to 4 and comprises a fixed shaft 1, a positioner 2 arranged on the fixed shaft and a locking assembly; the fixed shaft comprises a main body structure 3 and a matching section 4 at one end of the main body structure, a connecting section 5 is arranged at the free end of the matching section, the diameter of the matching section is smaller than that of the main body structure, the diameter of the connecting section is smaller than that of the matching section, and a matching surface 6 is formed at the joint of the matching section and the main body structure; and after a locking nut 7 in the locking assembly is screwed on the connecting section, the workpiece is locked and fixed on the positioner.

The positioner comprises a base body 8 sleeved on the connecting section, a plurality of positioning steps 9 are arranged on the outer wall of the base body, the diameter of each positioning step is gradually reduced, and a workpiece positioning surface 10 is formed on one side of each positioning step, which is different from the side facing the main body structure; the end face of the base body facing the matching surface is provided with a plurality of positioning columns 11, and the matching surface is provided with positioning holes 12 matched with the positioning columns one by one. Usually, the base body is provided with 2-3 positioning columns. The outer wall of the base body is provided with 3-5 positioning steps.

In order to ensure that the base body is stably matched with the matching surface, generally, the depth of the positioning hole is greater than the length of the positioning column, and the positioning column can be completely inserted into the positioning hole, so that the base body and the fixed shaft cannot rotate relatively.

In an alternative embodiment, in order to facilitate the removal of the workpiece, a plurality of notches 13 are uniformly distributed on each positioning step in the radial direction. The rod-shaped tool can be inserted into the notch, and the workpiece is ejected outwards (towards one side of the free end of the matching section), so that the tool is very convenient.

In an alternative embodiment, an adjusting cushion block assembly is arranged on the inner side of the lock nut. Specifically, the adjustment pad assembly may include at least one pad 14 that is nested within the mating segment. The material of cushion can be selected for use as required, for example, in order to increase frictional force, can adopt the rubber material cushion. Usually, a plurality of cushion blocks with different degrees can be designed, and the cushion block (or cushion block combination) with proper thickness is selected according to the specification of the bearing ring workpiece 16, so that the locking nut is ensured to lock and fix the workpiece.

In addition, the cushion block can also be designed into various specifications with different diameters (external diameters), so that workpieces with different specifications can be conveniently fixed, the outer edge of the cushion block is ensured not to protrude out of the outer edge of the bearing ring, and further the influence on processing is avoided.

It should be noted that, in order to ensure that the pad can reliably abut against the end face of the bearing ring workpiece, a supporting portion 15 may be provided on the side of the pad facing the workpiece, and the supporting portion may be a column structure or a plate structure, for example. Due to the structural design, the condition that the cushion block cannot abut against the workpiece when the base body protrudes out of the bearing ring workpiece can be avoided.

The workpiece clamping and fixing device is reasonable in structural design, the center of a workpiece can be accurately determined by adjusting the position of the fixing shaft, frequent debugging and alignment are not needed, and time and labor are saved during workpiece clamping and fixing operation. The positioning steps with different diameters arranged on the base body can be matched with bearing ring workpieces with different specifications, and can be matched with cushion blocks with different thicknesses and diameters to effectively clamp and fix the workpieces after screwing the locking nuts, so that the fixture is suitable for production of workpieces with various specifications, and has good universality. The workpiece clamping operation is simple and easy to implement, and the production efficiency is effectively improved. Meanwhile, the fixed shaft is provided with a matching surface matched with the base body, and the outer side of each step of the base body is provided with a positioning surface matched with the bearing ring workpiece.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. The utility model provides a frock is used in processing location of general type bearing ring which characterized in that: comprises a fixed shaft, a positioner arranged on the fixed shaft and a locking component; the fixed shaft comprises a main body structure and a matching section at one end of the main body structure, a connecting section is arranged at the free end of the matching section, the diameter of the matching section is smaller than that of the main body structure, the diameter of the connecting section is smaller than that of the matching section, and a matching surface is formed at the joint of the matching section and the main body structure; after a locking nut in the locking assembly is screwed on the connecting section, the workpiece is locked and fixed on the positioner; the positioner comprises a base body sleeved on the connecting section, a plurality of positioning steps are arranged on the outer wall of the base body, the diameter of each positioning step is gradually reduced, and a workpiece positioning surface is formed on one side of each positioning step, which is different from the side facing the main body structure; the end face of the base body, which faces one side of the matching surface, is provided with a plurality of positioning columns, and the matching surface is provided with positioning holes which are matched with the positioning columns one by one.

2. The tooling for machining and positioning the universal bearing ring according to claim 1, wherein the tooling comprises: and 2-3 positioning columns are arranged on the base body.

3. The tooling for machining and positioning the universal bearing ring according to claim 1, wherein the tooling comprises: and 3-5 positioning steps are arranged on the outer wall of the base body.

4. The tooling for machining and positioning the universal bearing ring according to claim 1, wherein the tooling comprises: and a plurality of openings are uniformly distributed on each positioning step along the radial direction.

5. The tooling for machining and positioning the universal bearing ring according to claim 1, wherein the tooling comprises: the inner side of the lock nut is provided with an adjusting cushion block assembly.

6. The tooling for machining and positioning the universal bearing ring according to claim 5, wherein the tooling comprises: the adjusting cushion block assembly comprises at least one cushion block sleeved on the matching section.

7. The tooling for machining and positioning the universal bearing ring according to claim 1, wherein the tooling comprises: the depth of the positioning hole is larger than the length of the positioning column.