CN210704788U

CN210704788U - Skin contour marking tool

Info

Publication number: CN210704788U
Application number: CN201921250688.3U
Authority: CN
Inventors: 杨力; 梁青霄; 周杞鑫
Original assignee: Xian Aircraft Industry Group Co Ltd
Current assignee: Xian Aircraft Industry Group Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-06-09
Anticipated expiration: 2029-08-02

Abstract

The application discloses covering profile marking tool, spacing seat, handle, marking pen axis is the theoretical butt joint clearance value of covering to spacing seat rear end face distance. When the limiting seat is used, an operator holds the handle, the limiting seat is attached to the skin edge and the framework flanging, the limiting seat slides along the skin edge, and the marking pen can mark a line parallel to the edge of the butt joint skin on the skin to be processed. The tool is simple in structure, convenient to carry and use, capable of being applied to rapid marking of the outline of the skin of the airplane, and universal in applicability to all frames adopting posture-adjusting positioning and butted with the skin edges.

Description

Skin contour marking tool

Technical Field

The application relates to the technical field of aircraft assembly manufacturing, in particular to a high-efficiency and accurate marking tool and method applied to an aircraft skin contour.

Background

In the assembly process of the airplane, due to the manufacturing precision problem of parts and the error accumulation in the assembly process, allowance needs to be reserved for the edges of part skins in the state of the parts, and processing compensation is carried out according to the actual assembly effect in the assembly stage; limited by the state of the product and production conditions, a large number of skin contour compensation processing depends on manual polishing by workers, the polishing precision has extremely high requirement on the accuracy of scribing, and the fact that tool scribed lines are arranged on all skin contours of polishing areas to be processed cannot be realized in the assembling stage. Therefore, an efficient and accurate scribing means is needed, the scribing precision and efficiency are improved, and the traditional method of scribing by means of a tool is eliminated.

Disclosure of Invention

The application provides a covering contour marking tool, realizes covering edge accurate quick marking off, provides accurate foundation for follow-up polishing, ensures that follow-up covering butt joint clearance is even.

In order to achieve the above purpose, the following technical scheme is adopted to realize the purpose:

a marking tool for the outline of skin is composed of a limiting seat with U-shaped opening and a stepped lower end, a handle and a marking pen. The top of the limiting seat is provided with a marking pen mounting hole, the distance from the axis of the mounting hole to the rear end face of the limiting seat is the skin theoretical butt seam clearance value, the handle is arranged at the rear part of the limiting seat, and the marking pen is mounted in the mounting hole and can vertically move up and down in the mounting hole. The handle is held by hand and slides along the edge of the skin, so that the contour marking of the skin to be processed is realized.

The utility model provides an advantage lies in developing a novel instrument of a section, possesses limit function, can realize drawing a line fast based on the covering profile of assembly scene, breaks away from traditional marking off mode that relies on the frock groove, realizes the quick accurate of covering profile and draws a line, provides accurate foundation for follow-up polishing, ensures that follow-up covering butt joint clearance is even. The tool is simple in overall structure, convenient to carry and use, high in production efficiency and production cost saving, capable of being applied to polishing and finish machining of the outline of the aircraft skin, and universal in applicability to all frames with posture adjusting and positioning and the skin edges in butt joint.

The present application will be described in further detail with reference to the following drawings and examples.

Drawings

FIG. 1 Structure of a skin outline marking tool

The numbering in the figures illustrates: 1. a handle; 2. mounting holes; 3. a marking pen; 4. a limiting seat.

Detailed Description

Referring to fig. 1, the drawing tool comprises a limiting seat 4, a handle 1 and a marking pen 3, wherein the limiting seat 1 is of a U-shaped opening structure, the lower end of the U-shaped opening structure is of a stepped structure, and the limiting seat is attached to a skin edge and a framework flanging in use. The top of the limiting seat 4 is provided with a marking pen mounting hole 2, the distance from the axis of the mounting hole 2 to the rear end face of the limiting seat 4 is the skin theoretical butt seam clearance value, the handle 1 is arranged at the rear part of the limiting seat 4, and the marking pen 3 is mounted in the mounting hole 2 and can vertically move up and down in the mounting hole 2. The handle 1 is held by hand and slides along the edge of the skin to realize the marking of the contour of the skin to be processed.

During the use, with X, Y orientation adjusted appearance skin that targets in place along Z to jacking a take the altitude, ensure that marking tool operating space can reach, install marking pen 3 in mounting hole 2, operating personnel holds handle 1, with spacing seat 4 and skin limit and skeleton turn-ups laminating to slide along the skin edge, marking pen 3 can mark out a line parallel with butt joint skin edge on treating to process the skin, provides the basis for follow-up processing of polishing. The tool is simple in structure, convenient to carry and use, capable of being applied to rapid marking of the outline of the skin of the airplane, and universal in applicability to all frames adopting posture-adjusting positioning and butted with the skin edges.

Claims

1. The utility model provides a covering profile marking tool, its characterized in that includes spacing seat, handle and marking pen, and spacing seat top is equipped with the marking pen mounting hole, and the mounting hole axis is the covering theory butt joint clearance value to spacing seat rear end face distance, and the handle setting is at spacing seat rear portion, and the marking pen is installed in the mounting hole, and handheld handle slides along the covering edge, realizes waiting to process the covering profile marking.

2. The skin contour marking tool of claim 1, wherein the retainer is a U-shaped opening.

3. The skin contour marking tool of claim 2, wherein the lower end of the U-shaped opening structure is a stepped structure.

4. The skin contour marking tool of claim 3, wherein the step structure is adapted to be attached to the skin edges and the frame flanges during use.

5. The skin contour marking tool of claim 1, wherein the marking pen is vertically movable up and down within the mounting hole.