CN216298773U

CN216298773U - Clamp for grinding inner hole of coupler

Info

Publication number: CN216298773U
Application number: CN202122925217.1U
Authority: CN
Inventors: 杨超; 马丽丽; 徐广智; 赵永辉
Original assignee: Harbin Dong'an Industrial Development Co ltd
Current assignee: Harbin Dong'an Industrial Development Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-15
Anticipated expiration: 2031-11-24

Abstract

The utility model provides a coupling hole anchor clamps for abrasive machining, relates to an anchor clamps. The clamp body is a barrel-shaped structure with an inner cavity, the opening of the barrel-shaped structure faces to the left or the right, an inner hole is formed in the bottom of the barrel-shaped structure, a plurality of threaded holes are formed in the side wall of the barrel-shaped structure, and a screw is screwed in each threaded hole. The utility model ensures the geometric tolerance requirements of the processed element on the two positioning references; the method is favorable for ensuring the qualified size of the workpiece, and is suitable for processing the workpiece with small cutting resistance, such as grinding and the like; on one hand, the traditional B datum alignment and positioning is replaced by the annular belt N, and on the other hand, the C datum alignment and positioning is directly performed by a plurality of screws, so that the positioning effect is good; grinding the inclined plane according to the actual size of the positioning line, grinding in a matching mode, and setting four screw alignment, so that the protective sleeves of different specifications are matched, and the grinding tool is suitable for grinding parts with different positioning diameters.

Description

Clamp for grinding inner hole of coupler

Technical Field

The utility model relates to a clamp, in particular to a clamp for grinding an inner hole of a coupler.

Background

When the inner hole of the coupler is ground, the B, C standard of the coupler is required to meet the requirement of 0.01 jump. However, the existing fixture for grinding the inner hole of the coupler can only position the B standard of the coupler, so that the problem that a machined product is unqualified is caused, the use is inconvenient, the rejection rate is increased, and the production cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamp for grinding an inner hole of a coupler, aiming at solving the problems in the background technology.

The utility model adopts the following technical scheme: a clamp for grinding an inner hole of a coupler comprises a clamp body and a plurality of screws; the clamp body is a barrel-shaped structure with an inner cavity, the opening of the barrel-shaped structure faces to the left or the right, an inner hole is formed in the bottom of the barrel-shaped structure, a plurality of threaded holes are formed in the side wall of the barrel-shaped structure, and a screw is screwed in each threaded hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can realize the direct positioning of one datum of two datums with different outer diameters, and the other datum is positioned by alignment, thereby ensuring the geometric tolerance requirement of the processed element on the two positioning datums.

2. The utility model uses four screws for clamping, has small clamping force and small workpiece reference deformation, is favorable for ensuring the qualified size of the workpiece and is suitable for processing the workpiece with small cutting resistance, such as grinding and the like.

3. According to the utility model, on one hand, the traditional B datum alignment and positioning is replaced by the annular belt N, and on the other hand, the C datum alignment and positioning is directly performed by a plurality of screws, so that the positioning effect is good.

4. The utility model grinds the inclined plane according to the actual size of the positioning line, which is equivalent to grinding in a matching way and four screws are arranged for alignment, so that the utility model is suitable for grinding parts with different positioning diameters in matching with protective sleeves with different specifications.

Drawings

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

FIG. 2 is a schematic structural view of the clamp body;

fig. 3 is a use state reference diagram of the present invention, in which: 6, positioning and clamping surfaces of the grinding machine; 7, finding the front surface; 8 is a processed surface;

FIG. 4 is an enlarged view at B of FIG. 3;

FIG. 5 is a front view of a workpiece;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

fig. 7 is a schematic view of the structure of the screw.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

A clamp for grinding an inner hole of a coupler comprises a clamp body 1 and a plurality of (four) hexagon socket head cap screws 3; the clamp body 1 is the tubbiness structure that has the inner chamber, tubbiness structure's opening is towards left or right, and tubbiness structure's bottom is run through its thickness direction and is equipped with hole 4, and tubbiness structure's lateral wall is equipped with a plurality of screw holes 5 that run through its thickness direction along its circumference equipartition, every all connect screw 3 in the screw hole 5 soon.

The inner cavity of the clamp body 1 is internally provided with a protective sleeve 2, and the protective sleeve 2 is in contact connection with the inner ends of the plurality of screws 3.

Every the outer wall of screw 3 all is equipped with stopper 10, can fix a position fast through setting up stopper 10.

The limiting block 10 is arranged on the nut 9, the nut 9 is screwed on the outer side of the corresponding screw 3, and the position of the limiting block 10 is adjusted through the nut 9, so that the use requirements of couplers of different specifications can be met conveniently.

Be equipped with the jackscrew on the nut 9, avoid in the use mistake to bump nut 9 and cause nut 9 to rotate, then have the operation error when avoiding using.

When the inner hole of the coupling is ground, the B, C datum is required to meet the requirement of 0.01 jump, so that B, C datum positioning is required to be realized when the 0.01 jump is qualified.

B, positioning reference: because the surface M and the B datum are primary grinding surfaces, the ring belt N intersected with the surface M and the B datum can be used for positioning, and therefore the positioning of the inner hole 4 of the clamp body 1 and the workpiece B datum is achieved;

c, positioning reference: the protective sheath 2 is connected with work piece C benchmark contact, presss from both sides tight partly C benchmark through the screw 3 of the hexagon socket head cap of equipartition everywhere, adjusts the location that the exposure part of four screws 3 alignment C benchmark realized the C benchmark simultaneously, presss from both sides tight postprocessing through four screws 3 and retrencies the assurance product process size requirement.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a coupling hole anchor clamps for abrasive machining which characterized in that: comprises a clamp body (1) and a plurality of screws (3); the clamp is characterized in that the clamp body (1) is a barrel-shaped structure with an inner cavity, the opening of the barrel-shaped structure faces left or right, an inner hole (4) is formed in the bottom of the barrel-shaped structure, a plurality of threaded holes (5) are formed in the side wall of the barrel-shaped structure, each threaded hole (5) is internally provided with a screw (3) in a screwed mode, a protective sleeve (2) is arranged in the inner cavity of the clamp body (1), and the protective sleeve (2) is connected with the inner ends of the screws (3).

2. The clamp for grinding the inner hole of the coupler according to claim 1, wherein: the outer wall of each screw (3) is provided with a limiting block (10).

3. The clamp for grinding the inner hole of the coupler according to claim 2, wherein: the limiting blocks (10) are arranged on the nuts (9), and the nuts (9) are screwed on the outer sides of the corresponding screws (3).

4. The clamp for grinding the inner hole of the coupler according to claim 3, wherein: and a jackscrew is arranged on the nut (9).