CN217143215U

CN217143215U - Rotary dovetail groove lathe fixture

Info

Publication number: CN217143215U
Application number: CN202221637929.1U
Authority: CN
Inventors: 刘永弟; 马国栋; 李泽斌; 马国军; 刘振; 孟令辉; 杨飞; 梁佳; 高枫
Original assignee: Hebei Taihang Machinery Industries Co ltd
Current assignee: Hebei Taihang Machinery Industries Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-08-09
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to a rotary dovetail groove lathe fixture, which comprises a fixture body and a sliding positioning component arranged on the fixture body, wherein a part is arranged at the inner side end of the sliding positioning component through a first compression bolt, one side surface of the part is a plane vertical to the fixture body, a positioning surface is arranged at the inner side end of the sliding positioning component, and the plane vertical to the fixture body on the part is attached to the positioning surface; the utility model discloses utilize the specific rotatory turning work that realizes the part of anchor clamps man-hour, realize the processing of gyration type dovetail part, replaced the tradition to adopt to mill the mode of carrying out processing to the slip locating component of a plurality of parts of mountable and corresponding on the anchor clamps body, installation processing when realizing a plurality of parts makes whole process systems obtain simplifying greatly, and loading and unloading part convenient and fast more, practicality have reduced supplementary adjustment time, and machining efficiency obtains improving greatly.

Description

Rotary dovetail groove lathe fixture

Technical Field

The utility model belongs to the technical field of machining equipment, concretely relates to gyration type dovetail turning attachment.

Background

In daily work, dovetail groove machining is usually completed by milling, and the dovetail groove milling is changed by a customized special tool due to different dovetail angles. The special tool used for the dovetail groove with the rotary property is high in manufacturing cost, and the machining range is not changeable. The processing efficiency resulting therefrom is also very low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a gyration type dovetail turning attachment is provided to solve the inefficiency in milling process, the special cutter of dovetail cost of manufacture high problem.

The utility model adopts the technical proposal that:

a rotary dovetail groove lathe fixture comprises a fixture body and a sliding positioning assembly arranged on the fixture body, a part is mounted at the inner side end of the sliding positioning assembly through a first compression bolt, one side face of the part is a plane perpendicular to the fixture body, a positioning surface is arranged at the inner side end of the sliding positioning assembly, and the plane perpendicular to the fixture body on the part is attached to the positioning surface.

Furthermore, the sliding positioning assembly comprises a positioning plate and a second compression bolt used for fixing the positioning plate and the clamp body, a waist-shaped hole is formed in the positioning plate, and the second compression bolt penetrates through the waist-shaped hole and then is connected with a threaded hole in the clamp body.

Furthermore, an upper key groove is formed in the bottom surface of the positioning plate, a lower key groove corresponding to the upper key groove is formed in the clamp body, and a key block is mounted in the upper key groove through a screw.

Furthermore, the locating plate is L-shaped, one side plate of the locating plate is connected with the clamp body, and the other side plate of the locating plate is used as a locating surface to be attached to the part.

Furthermore, a positioning column is arranged on the fixture body, and a positioning hole matched with the positioning column is formed in the part; and a threaded hole is formed in the positioning column, the first compression bolt is in threaded connection with the positioning column, and the part is compressed by using a nut of the first compression bolt.

Furthermore, an opening gasket is arranged between the nut of the first compression bolt and the part.

Furthermore, the positioning column is connected with the clamp body through threads.

Furthermore, a center hole is formed in the center of the clamp body, and the arc machining surface of the part faces the center hole.

Furthermore, the material of the fixture body and the positioning plate is No. 45 quenched and tempered steel, and the fixture body is connected with a lathe spindle through a three-jaw chuck.

The utility model discloses an actively the effect does:

the utility model discloses utilize the specific rotatory turning work that realizes the part of anchor clamps man-hour, realize the processing of gyration type dovetail part, replaced the tradition to adopt to mill the mode of carrying out processing to the slip locating component of a plurality of parts of mountable and corresponding on the anchor clamps body, installation processing when realizing a plurality of parts makes whole process systems obtain simplifying greatly, and loading and unloading part convenient and fast more, practicality have reduced supplementary adjustment time, and machining efficiency obtains improving greatly.

Drawings

FIG. 1 is a schematic structural view of a part to be machined according to the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the key block mounting position of the present invention;

FIG. 4 is a schematic view of the waist-shaped hole structure of the present invention;

FIG. 5 is a schematic view of the structure of the clamp body of the present invention;

fig. 6 is a schematic view of the positioning column of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 2-6, the present invention provides a rotary dovetail lathe fixture for processing a part 3 as shown in fig. 1, wherein the grid part in fig. 1 is the part to be processed, and the working surface of the part belongs to a rotary surface. The lathe fixture comprises a disc-shaped fixture body 1, a sliding positioning assembly arranged on the fixture body 1 and a part 3 arranged at the inner side end of the sliding positioning assembly through a first pressing bolt 4, the outer side face of the part 3 is a plane perpendicular to the fixture body 1, a positioning surface is arranged at the inner side end of the sliding positioning assembly, and the plane perpendicular to the fixture body 1 on the part 3 is attached to the positioning surface to realize positioning. A central hole is arranged at the central position of the clamp body 1, and the arc processing surface of the part 3 faces the central hole. According to the size of the dovetail rotary diameter of the part, the installation positions of a plurality of parts can be arranged on the fixture body 1, the simultaneous processing of the parts can be realized, and the processing efficiency is greatly improved.

Specifically, the sliding positioning assembly comprises an L-shaped positioning plate 2 and a second pressing bolt 11 used for fixing the positioning plate 2 on the clamp body 1, a waist-shaped hole 8 is formed in a transverse plate of the positioning plate 2, and the second pressing bolt 11 penetrates through the waist-shaped hole 8 and then is connected with a threaded hole in the clamp body 1. This allows the position of the spacer 2 to be adjusted for radial adjustment of the spacer 2 due to a change in the dimensions of the side plane of the part 3. The vertical plate of the positioning plate 2 is used as a positioning surface to be attached to the plane perpendicular to the clamp body 1 on the part 3.

An upper key groove 6 is formed in the bottom surface of a transverse plate of the positioning plate 2, a lower key groove 9 corresponding to the positioning plate is formed in the clamp body 1, a key block 7 is installed in the upper key groove of the positioning plate 2 through a screw, and the key block 7 is located between the upper key groove and the lower key groove after the whole positioning plate is installed in place.

Preferably, the clamp body 1 is provided with a positioning column 10 through threaded connection, and the positioning column 10 and a hole shaft of the clamp body 1 are matched within 0.01mm in tolerance, so that the installation accuracy of the part 3 on the clamp body 1 is guaranteed. Be equipped with the locating hole with reference column 10 looks adaptation on part 3, be equipped with the screw hole in reference column 10, first housing bolt 4 and reference column 10 threaded connection to be equipped with opening gasket 5 between the nut of first housing bolt 4 and part 3, thereby first housing bolt 4 compresses tightly opening gasket 5 and compresses tightly fixedly with part 3.

The utility model provides a 45 # quenched and tempered steel is all chooseed for use to anchor clamps body 1, locating plate 2, reference column 10 etc. and anchor clamps body 1 is connected with the lathe main shaft through the three-jaw chuck.

When the part 3 is installed, the part 3 is installed on the positioning column 10, the positioning plate 2 is slid, the side positioning surface of the positioning plate 2 is attached to the side edge plane of the part, the second compression bolt 11 is locked, and the degree of freedom of the part 3 in the rotation direction is limited. Finally, the split gasket 5 and the first compression bolt 4 are installed, so that the parts are fixed. Repeating the above actions to complete the installation of the parts at other positions.

When the parts are disassembled, the first compression bolt 4 and the second compression bolt 11 are sequentially loosened, the opening gasket 5 is taken out, and the parts are freely taken out.

The utility model discloses originally, simplify technology system structure, under the prerequisite of guaranteeing technical requirement, adopt to replace the mode of milling with the car, realize the processing of gyration type forked tail part. And the innovative design is carried out according to the size of the dovetail rotary diameter of the part, and the installation and the processing of a plurality of parts are realized. In the aspect of cutter use, only 1 inner hole boring cutter, 1 end face grooving cutter and 2 angle deviation cutters are used for finishing the processing of all the rotary surfaces.

Adopt the utility model discloses process, supplementary adjustment time is within 5 minutes, and part clamping time is less than 1 minute. The total processing time is increased from the original milling time of 30 minutes/piece to 5 minutes/piece. The processing efficiency is obviously improved, and all elements of the part meet the technical requirements of products.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A rotary dovetail groove lathe fixture is characterized by comprising a fixture body (1) and a sliding positioning assembly arranged on the fixture body (1), wherein a part (3) is mounted at the inner side end of the sliding positioning assembly through a first compression bolt (4), one side surface of the part (3) is a plane vertical to the fixture body (1), a positioning surface is arranged at the inner side end of the sliding positioning assembly, and the plane vertical to the fixture body (1) on the part (3) is attached to the positioning surface;

the sliding positioning assembly comprises a positioning plate (2) and a second compression bolt (11) used for fixing the positioning plate (2) and the clamp body (1), a waist-shaped hole (8) is formed in the positioning plate (2), and the second compression bolt (11) penetrates through the waist-shaped hole (8) and then is connected with a threaded hole in the clamp body (1).

2. A fixture for a lathe of a rotary dovetail groove according to claim 1, wherein an upper key groove (6) is provided on the bottom surface of the positioning plate (2), a lower key groove (9) corresponding to the upper key groove (6) is provided on the fixture body (1), and a key block (7) is installed in the upper key groove (6) by a screw.

3. The fixture for a rotary dovetail groove lathe according to claim 1 or 2, characterized in that the positioning plate (2) is L-shaped, one side plate of which is connected with the fixture body (1), and the other side plate of which is used as a positioning surface to be attached to the part (3).

4. The fixture for the rotary dovetail groove lathe according to claim 1, wherein a positioning column (10) is arranged on the fixture body (1), and a positioning hole matched with the positioning column (10) is formed in the part (3); threaded holes are formed in the positioning columns (10), the first compression bolts (4) are in threaded connection with the positioning columns (10), and the parts (3) are compressed tightly by utilizing nuts of the first compression bolts (4).

5. The fixture according to claim 4, wherein an open gasket (5) is provided between the nut of the first hold-down bolt (4) and the member (3).

6. The fixture for a dovetail groove lathe according to claim 4, wherein the positioning post (10) is screwed with the fixture body (1).

7. The fixture for a lathe of a dovetail groove of rotary type according to claim 1, wherein a center hole is provided at a center position of the fixture body (1), and the circular arc-shaped processing surface of the part (3) faces the center hole.

8. The fixture for the rotary dovetail groove lathe according to claim 1, wherein the fixture body (1) and the positioning plate (2) are made of No. 45 quenched and tempered steel, and the fixture body (1) is connected with a lathe spindle through a three-jaw chuck.