CN216614904U

CN216614904U - Flexible hole part anodic oxidation traceless clamp

Info

Publication number: CN216614904U
Application number: CN202123009757.1U
Authority: CN
Inventors: 朱智勇; 江鑫; 刘科成; 孙运霞; 郭淳; 李浩林
Original assignee: AVIC Sac Commercial Aircraft Co Ltd
Current assignee: AVIC Sac Commercial Aircraft Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-27
Anticipated expiration: 2031-12-03

Abstract

A flexible hole part anodic oxidation traceless clamp comprises a main body frame and an X-shaped clamp. The main body frame is made of titanium alloy materials, a copper plate is installed at the upper end of the main body frame, and the main body frame adopts horizontal and vertical grid type design and provides a plurality of fixed positions for the X-shaped clamp. The X-shaped clamp is made of titanium alloy materials and comprises a clamping end and a fixed end, and the position and the angle of the X-shaped clamp can be freely adjusted on the main body frame. The clamping end and the fixed end are connected from the center by a titanium alloy bolt. The clamping end of the X-shaped structure can freely rotate for 360 degrees and is adjusted according to the hole positions of the parts. The utility model can meet the requirements of hole parts of various external dimensions on anodic oxidation clamping by multiple adjustment, and has wide application range; the hole type parts can be clamped quickly, the operation is simple, and the production efficiency is improved.

Description

Flexible hole part anodic oxidation traceless clamp

Technical Field

The utility model belongs to the field of machinery, and relates to an anodic oxidation traceless clamp for a flexible hole part, which is used for anodic oxidation clamping treatment of an airplane hole part.

Background

At present, a large number of hole parts with different sizes need to be subjected to anodic oxidation treatment in the aircraft manufacturing industry, the parts have different overall dimensions, a large number of single items and a small number of single items, and meanwhile, most of the parts are sheet metal parts or machined parts, and a forming process is finished before anodic oxidation production without lugs or allowance.

The conventional clamping method brings the following problems:

(1) the existing clamp is small in application range, the size and appearance difference of the existing airplane hole parts are large, the clamp cannot meet the clamping requirements of the hole parts with various appearance sizes, and if the clamp is manufactured aiming at various appearance hole parts, a large number of clamps are generated, and the production cost is increased. While occupying the field fixture storage space.

(2) Because the hole parts have no lug and allowance, clamp marks are generated on the surfaces of the parts after clamping, rework treatment is needed, the labor intensity of workers is increased, and the production efficiency is restricted. Meanwhile, hole parts such as the stringer and the slide rail are easy to deform due to factors such as uneven stress, and the parts are scrapped when the parts are serious, so that the production quality is seriously influenced.

(3) The aluminum fixture has poor fatigue resistance, short service life, frequent replacement and increased production cost.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides the hole part anodic oxidation clamp which can be used for hole parts with various appearance sizes through simple operation, effectively fixing the parts by using hole positions, avoiding clamp marks, reducing the clamping and disassembling time, prolonging the service life, reducing the production cost, ensuring the product quality and improving the production efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a flexible hole part anodic oxidation traceless clamp comprises a main body frame and an X-shaped clamp.

The main body frame is made of titanium alloy materials, and the joints are polished to be free of welding seams by using a welding method, so that tank liquor is prevented from remaining. The upper end of the main body frame is provided with a copper plate which can be connected and fixed by a bolt method. The main body frame is hung on a production line flying bar, and the copper plate and the titanium alloy frame ensure sufficient conductivity during anodic oxidation of the hole parts. The main body frame adopts a horizontal and vertical grid type design, and provides a plurality of fixed positions for the X-shaped clamp.

The X-shaped clamp is made of titanium alloy materials and is divided into a clamping end 1 and a fixed end 3, and the position and the angle of the X-shaped clamp can be freely adjusted on the main body frame. The clamping end and the fixed end are connected by a titanium alloy bolt 2 from the center. The clamping end of the X-shaped structure can freely rotate for 360 degrees and is adjusted according to the hole positions of the parts.

The clamping end 1 is of a conical structure, can meet the clamping requirements of parts with various aperture sizes, and is suitable for clamping parts with various apertures; the fixed end adopts the tension of two concave structures and is fixed on the transverse beam and the longitudinal beam of the main body frame.

When the X-shaped clamp is used, the X-shaped clamps are placed on the transverse beams and the longitudinal beams of the main body frame according to the overall dimension and hole positions of hole parts, the conical structures of the clamping ends of the X-shaped clamps penetrate through the part holes, and the parts are clamped by utilizing the tension of the clamping ends. A single X-shaped clamp can be used for clamping parts, or a plurality of X-shaped clamps can be used for clamping in a combined mode. By utilizing the grid structure of the main body frame, the X-shaped clamps can be placed at a plurality of positions, the clamping ends can rotate by 360 degrees, the conical structure position can be adjusted according to the hole positions of the parts, the clamp is suitable for hanging the hole parts with various overall dimensions, and meanwhile, the clamp marks are avoided.

The utility model has the beneficial effects that:

(1) the flexible tool can meet the requirements of anodic oxidation clamping of hole parts with various overall dimensions through multiple adjustment, is wide in application range, and reduces the manufacturing cost of the clamp.

(2) The X-shaped clamps can be freely adjusted in position and angle on the main body frame, and hole parts can be quickly clamped by clamping the X-shaped clamps, so that the operation is simple, and the production efficiency is improved.

(3) The fixture makes full use of the hole site characteristics of hole parts, clamps the parts through the conical structure, and clamps the parts through the rigidity of the titanium alloy fixture, so that the fixture mark is avoided. The clamping is firm, the conductivity in the anodic oxidation process is ensured, and the product quality is met.

(4) The main body frame, the X-shaped clamp and the bolts are made of titanium alloy materials, so that the service life is long, the clamp can be repeatedly produced and used, the film removing process after anodic oxidation of the conventional aluminum clamp is reduced, and the clamp scrapping loss is reduced.

(5) The utility model can enable workers to be suitable for anodic oxidation treatment of hole parts with various external dimensions by simple operation, and simultaneously avoids clamp marks. The clamp can clamp various hole parts simultaneously, and is suitable for the characteristics of large number of single machine items and small number of single items of the hole parts in the aircraft manufacturing industry.

Drawings

FIG. 1 is a main body frame;

FIG. 2 is an X-clamp;

FIG. 3 is a schematic view of the X-clamp attachment;

fig. 4 is a schematic view of the use of the clamp.

In the figure: 1, a holding end; 2, bolts; 3 fixing the end.

Detailed Description

The present invention is further illustrated by the following specific examples.

The main body frame is made of titanium alloy materials, the joint is polished to be free of welding seams by using a welding method, and residual bath solution is avoided. The upper end of the main body frame is provided with a copper plate which can be connected and fixed by a bolt method. The main body frame is hung on a production line flying bar, and the copper plate and the titanium alloy frame ensure sufficient conductivity during anodic oxidation of the hole part. The main body frame adopts a horizontal and vertical grid type design. (see FIG. 1).

The X-shaped clamp is made of titanium alloy materials and is divided into a clamping end 1 and a fixed end 3. The clamping end and the fixed end are connected by a titanium alloy bolt 2 from the center. Can ensure the 360-degree free rotation of the clamping end. (see FIG. 2).

The clamping end 1 is of a conical structure, so that the clamping requirements of parts with various aperture sizes can be met; the fixed end adopts the tension of two concave structures and is fixed on the transverse beam and the longitudinal beam of the main body frame. (see FIG. 3).

When the X-shaped clamp is used, the X-shaped clamps are placed on the transverse beams and the longitudinal beams of the main body frame according to the overall dimension and hole positions of hole parts, the conical structures of the clamping ends of the X-shaped clamps penetrate through the part holes, and the parts are clamped by utilizing the tension of the clamping ends. A single X-shaped clamp can be used for clamping parts, or a plurality of X-shaped clamps can be used for clamping in a combined mode. By utilizing the grid structure of the main body frame, the X-shaped clamps can be placed at a plurality of positions, the clamping ends can rotate by 360 degrees, the conical structure position can be adjusted according to the hole positions of the parts, the clamp is suitable for hanging the hole parts with various overall dimensions, and meanwhile, the clamp marks are avoided. (see FIG. 4).

The above-mentioned embodiments only express the embodiments of the present invention, but not should be understood as the limitation of the scope of the utility model patent, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.

Claims

1. The flexible hole part anodic oxidation traceless clamp is characterized by comprising a main body frame and an X-shaped clamp;

the main body frame is conductive, adopts a horizontal and vertical grid structure, provides a plurality of fixed positions for the X-shaped clamp, and uses a welding method at the grid connection position to polish until no welding seam exists; the upper end of the main body frame is provided with a copper plate; the main body frame is hung on a production line, so that the conductivity of the hole parts during anodic oxidation is ensured;

the X-shaped clamp comprises a clamping end (1) and a fixed end (3), and the position and the angle of the X-shaped clamp can be freely adjusted on the main body frame; the centers of the clamping end and the fixed end are connected by adopting a titanium alloy bolt (2), the clamping end of the X-shaped structure can freely rotate at the bolt connection part for 360 degrees and is adjusted according to the hole position of a part; the clamping end (1) is of a C-like structure, two ends of the clamping end are of conical structures and are used for penetrating through a part hole, and the clamping requirements of parts with various hole diameters can be met; the fixed end (3) is of a C-like structure, concave structures are arranged on the inner surfaces of two ends of the fixed end, and the fixed end is fixed on the transverse beam and the longitudinal beam of the main body frame through the concave structures.

2. The flexible hole part anodizing traceless clamp according to claim 1, wherein the clamp comprises a main body frame and an X-shaped clamp which are both made of titanium alloy materials.