CN107139000A - The fixture of Step Shaft cylindrical turning plane and radial bore - Google Patents

Abstract

The invention discloses a fixture for turning the plane of the outer circle of a stepped shaft and radially drilling, comprising a clip spring (1) and a fixture body (2), characterized in that the clip spring (1) is nested with a fixture body ( 2), the fixture body (2) is connected with the fixture petals (4) through the connecting body (3), the mounting groove (5) is formed between the fixture petals (4), the fixture petals (4) and the positioning block (7) connected, the front of the positioning block (7) is provided with an end face cavity (6), the positioning block (7) is placed outside the end face of the circlip (1), and the clamp petal (4) and the positioning block (7) are formed The stepped shaft positioning surface, the circlip (1) and the positioning block (7) are positioned through the stepped shaft positioning surface, and the installation groove (5) is surrounded by the upper and lower two clamp petals (4). The invention has the advantages of simple structure, high quality and economy, convenient operation, high efficiency and reliability, and is suitable for popularization and use of step shaft outer circle turning plane and radial drilling.

Description

Fixture for cylindrical turning of stepped shafts and radial drilling

technical field

The invention belongs to the technical field of clamping devices, and in particular relates to a clamp for turning planes and radially drilling the outer circle of a stepped shaft.

Background technique

For stepped shafts, it is a very common operation to turn flat, radial holes in their outer circumference. In the prior art, the milling machine is used to process the plane parallel to the axis on the large outer circle of the stepped shaft, and the milling is carried out by clamping the two ends with a special fixture or clamping the two ends with a vise. The quality of the milling surface is poor and the speed is slow. , Large burrs. Drilling radial holes is processed on a drilling machine with a special drilling tool clamping. The clamping is slow and the burrs are large. Affected processing quality, precision, efficiency and so on.

Contents of the invention

The object of the present invention is to overcome the above-mentioned shortcomings and provide a simple structure, high-quality, economical, convenient operation, efficient and reliable clamp for turning the outer circle of the stepped shaft and radial drilling.

The purpose of the present invention and its main technical problems are solved by adopting the following technical solutions:

The clamp of the present invention for turning the plane of the outer circle of the stepped shaft and for radial drilling comprises a circlip and a clamp body, wherein the clamp body is nested inside the circlip, and the clamp body is connected with a clamp petal body through a connecting body, and the clamp petal body An installation groove is formed between them, and the fixture petal body is connected with the positioning block. The front part of the positioning block is provided with an end face cavity, and the positioning block is placed outside the end face of the circlip.

The above-mentioned fixture for turning the outer circle of the stepped shaft and radially drilling, wherein: a stepped shaft positioning surface is formed between the fixture petal body and the positioning block, and the circlip and the positioning block are positioned through the stepped shaft positioning surface.

The fixture for turning the plane of the outer circle of the stepped shaft and radially drilling, wherein: the installation groove is surrounded by two fixture petals at the upper part and the lower part.

The fixture for turning the plane of the outer circle of the stepped shaft and radial drilling, wherein: the installation groove is a square groove body.

The fixture for turning the plane of the outer circle of the stepped shaft and drilling radially, wherein: the cross section of the cavity on the end face is semicircular.

The fixture for turning the plane of the outer circle of the stepped shaft and drilling radially, wherein: the front part of the circlip is divided into several petals.

The fixture for turning the plane of the outer circle of the stepped shaft and radial drilling, wherein: the connecting body is a ring body formed by an arc-shaped surface.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. It can be known from the above technical solutions that, in the fixture of the present invention for the turning plane of the outer circle of the stepped shaft and the radial drilling, the clamp body is nested inside the circlip, and the fixture body is connected to the fixture petal body through the connecting body. A square mounting groove is formed, which is convenient for the clamping and positioning of the processing parts in the mounting groove, which is reliable and practical; a stepped shaft positioning surface is formed between the fixture petal body and the positioning block, and the circlip and the positioning block are positioned through the stepped shaft positioning surface. The process of clamping and unloading parts can be realized by loosening and tightening the circlip through the handle of the machine tool, and the operation is convenient; the connecting body is a ring formed by an arc surface, which ensures good elasticity of the clamp, and can easily clamp parts and Safe production; the circlip and the positioning block are positioned through the positioning surface of the stepped shaft, and the cross section of the cavity on the end face is semicircular, which is convenient for the stable clamping of the processed parts. In a word, the present invention has the advantages of simple structure, high quality and economy, convenient operation, high efficiency and reliability, and is suitable for popularization and use of stepped shaft outer circle turning plane and radial drilling.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of retaining spring;

Fig. 3 is the right view of Fig. 2;

Fig. 4 is the structural representation of clamp body;

Fig. 5 is the right view of Fig. 4;

Fig. 6 is a partial view of direction a in Fig. 4;

Fig. 7 is the use state chart of the present invention;

Fig. 8 is the structural representation of processing parts;

Fig. 9 is a left side view of Fig. 8 .

Marked in the picture:

1. Circlip; 2. Fixture body; 3. Connecting body; 4. Fixture valve body; 5. Mounting groove; 6. End face cavity; 7. Positioning block; 8. Processing parts.

detailed description

In the following, with reference to the accompanying drawings and preferred embodiments, the specific implementation, structure, features and functions of the jig for turning the outer circle of the stepped shaft and radial drilling according to the present invention will be described in detail as follows.

Referring to Fig. 1 to Fig. 6, the fixture for turning the outer circle of the stepped shaft and radial drilling of the present invention includes a circlip 1 and a fixture body 2, wherein: the circlip 1 is nested with a fixture body 2, and the fixture body 2 The fixture petals 4 are connected through the connecting body 3, the installation groove 5 is formed between the fixture petals 4, the fixture petals 4 are connected with the positioning block 7, the front part of the positioning block 7 is provided with an end face cavity 6, and the positioning block 7 is placed The outer side of the end face of the circlip 1. A stepped shaft positioning surface is formed between the clamp petal body 4 and the positioning block 7, and the circlip 1 and the positioning block 7 are positioned through the stepped shaft positioning surface. The mounting groove 5 is surrounded by two clamp petals 4 at the upper and lower parts. The mounting groove 5 is a square groove body. The cross section of the end face cavity 6 is semicircular. The front part of jump ring 1 is divided into several petals. The connecting body 3 is a ring body formed by arc-shaped surfaces.

When in use, referring to Fig. 7 to Fig. 9, first put the clip spring 1 into the hexagonal lathe, then put the fixture body 2 into the clip spring 1, realize the positioning through the positioning block 7, and then install the cylinder in the middle of the processing part 8 In the installation groove 5, the small cylinders on both sides of the processing part 8 are installed in the end face cavity 6, and the step shaft outer circle turning plane and radial drilling can be carried out. The invention has the advantages of simple structure, high quality and economy, convenient operation, high efficiency and reliability, and is suitable for popularization and use of step shaft outer circle turning plane and radial drilling.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form. Any simple modification, Equivalent changes and modifications still fall within the scope of the technical solution of the present invention.

Claims (7)

1. A fixture for turning the plane of the outer circle of the stepped shaft and radially drilling, including a circlip (1) and a fixture body (2), characterized in that the fixture body (2) is nested inside the circlip (1) , the fixture body (2) is connected with the fixture petals (4) through the connecting body (3), the mounting grooves (5) are formed between the fixture petals (4), and the fixture petals (4) are connected with the positioning block (7) , the front part of the positioning block (7) is provided with an end face cavity (6), and the positioning block (7) is placed outside the end face of the circlip (1). 2. The clamp for step shaft outer circle turning plane and radial drilling according to claim 1, characterized in that: a stepped shaft positioning surface is formed between the clamp petal body (4) and the positioning block (7), and the circlip ( 1) Position with the positioning block (7) through the positioning surface of the stepped shaft. 3. The jig for step shaft outer circle turning plane and radial drilling according to claim 1, characterized in that: the installation groove (5) is surrounded by two upper and lower jig petals (4). 4. The jig for turning the outer circle of the stepped shaft and radial drilling according to claim 1, characterized in that the installation groove (5) is a square groove body. 5. The jig for turning the plane of the outer circle of the stepped shaft and radial drilling according to claim 1, characterized in that: the cross section of the end face cavity (6) is semicircular. 6. The jig for turning the plane of the outer circle of the stepped shaft and drilling the radial hole according to claim 1, characterized in that: the front part of the circlip (1) is divided into several petals. 7. The jig for turning plane and radial drilling of the outer circle of the stepped shaft according to claim 1, characterized in that: the connecting body (3) is a ring body formed by an arc-shaped surface.