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Wall panel skin shape drilling die and manufacturing method thereof

A technology of shape and jig, which is applied in the direction of the jig for the workpiece, can solve the problems of high manufacturing cost, limited scope of application, complex structural design, etc., and achieve high fit, universal applicability, and low manufacturing cost. Effect

Inactive Publication Date: 2011-11-16
XIAN AIRCRAFT IND GROUP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Machining shape drilling jigs have high drilling precision, but most of their structures are required to be castings, and the shape needs to be processed by numerical control, or the structure design is complicated, the requirements for product shape conformity are high, and the manufacturing cost is high
[0004] The planar expansion drilling template is low in cost, easy to manufacture and use, but its drilling accuracy is limited by the expansion method, drilling area, positioning reference selection and curvature, the overall accuracy is low, and the scope of application is limited

Method used

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  • Wall panel skin shape drilling die and manufacturing method thereof
  • Wall panel skin shape drilling die and manufacturing method thereof
  • Wall panel skin shape drilling die and manufacturing method thereof

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Embodiment Construction

[0019] Referring to the accompanying drawings, the wall panel skin shape drilling template structure is mainly composed of shape thin plate 1, reference edge strip 2 and drill sleeve 3. The drilling mold structure of the outer skin of the wall panel must be made according to the distribution of the drilling holes of the digital model of the outer wall panel and the skin forming mold. The skin is equal to the thickness of the cushion to form a shape thin plate 1 with the same curvature as the wall panel skin 5, and the drilling mold bottom hole 6 is made according to the actual drilling distribution position on the shape digital model of the wall panel skin, and then the drilling mold The drill bushing 3 is installed at the bottom hole, and the center hole 7 of the drill bushing 3 is required to be coaxial with the bottom hole 6 of the drilling mold, such as Figure 4 shown.

[0020] The drill bushing 3 is preferably a double-lug stepped bushing, or a single-lug stepped bushin...

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Abstract

The invention discloses a wall panel skin shape drilling die and a manufacturing method thereof. The drilling die is composed of a shape thin plate, a rigid reference edge and a drilling bush. The shape thin plate is of an aluminium plate structure, the existing skin forming die tread is additionally provided with a skin equal-thickness cushion layer to form the shape thin plate, a steel reference edge is arranged at the reference edge of the shape thin plate along a lower curvature direction, a drilling die bottom hole is prepared at a drilling hole center taken out according to the actual position of a die tread, and then the drilling bush is arranged at the drilling die bottom hole.

Description

technical field [0001] The invention relates to the design and manufacture of a drilling mold for skin shape products in aircraft production, and is particularly suitable for mass drilling of relatively large curvature aircraft wallboard skin shape products. Background technique [0002] In the assembly process of aircraft products, a large number of wall panel skins need to be drilled for assembly, and the skin is a curved thin-walled structure, the wall is thin and easy to deform, the number of drill holes is large, and the area is large and striped characteristics of the distribution. In order to improve drilling efficiency and drilling quality, manufacturers usually set up profile drilling jigs to improve drilling efficiency. At present, there are mainly two types of drilling jigs commonly used, one is the machining shape drilling jig, and the other is the plane expansion drilling template. [0003] Machining shape drilling jigs have high drilling precision, but most o...

Claims

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Application Information

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IPC IPC(8): B23B47/28B23P15/24
Inventor 王守川王敏惠增胜李卫平冯斌
Owner XIAN AIRCRAFT IND GROUP
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