Pneumatic positioning clamping mechanism for aircraft assembly tool

Abstract

The invention relates to a pneumatic positioning clamping mechanism for an aircraft assembly tool. The pneumatic positioning clamping mechanism is composed of a pneumatic positioning device and a pneumatic chuck. A pneumatic motor is arranged on a positioning pin shaft base in the pneumatic positioning device. A threaded rod is arranged on one side of the pneumatic motor. A coupling is arranged between the pneumatic motor and the threaded rod. A nut base is arranged on the outer circumference of one side of the threaded rod. A positioning pin is arranged on one side of the nut base. A positioning post sleeve is arranged on the outer circumference of the positioning pin. A pneumatic travel switch is arranged on the positioning pin. Under the circumstance that the precision and reliability of an aircraft assembly tool framework are not influenced, reconfiguration of the aircraft assembly tool framework can be achieved, matching with components of new models is achieved through the reconfigurability of the tool framework, the large aircraft assembly tool framework is repeatedly used, and therefore the manufacturing cost of aircrafts is reduced, the development and production preparation cycle of aircrafts is substantially shortened, and the rapid development of new models of aircrafts is accelerated.

Description

technical field [0001] The invention relates to a pneumatic positioning and clamping mechanism for aircraft assembly tooling, which belongs to the field of aviation manufacturing engineering. Background technique [0002] Aircraft assembly is a complicated process with relatively high technical requirements, and thousands of parts need to be accurately positioned and supported. Because the traditional aircraft tooling adopts a rigid forced positioning method, the traditional rigid tooling frame is mostly connected by thread and welding, which has low precision and poor adjustability. When the aircraft model changes, the traditional rigid tooling frame cannot be well integrated with the new one. The parts are matched, and their adaptability is poor. These special rigid tooling skeletons must be redesigned and manufactured, resulting in great waste, increasing the cost of aircraft manufacturing, and greatly prolonging the production preparation cycle of aircraft development, t...

AI Technical Summary

Problems solved by technology

Because the traditional aircraft tooling adopts a rigid forced positioning method, the traditional rigid tooling frame is mostly connected by thread and welding, which has low precision and poor adjustability. When the aircraft model changes, the traditional rigid tooling frame cannot be well integrated with the new one. The parts are matched, and their adaptability is poor. These special rigid tooling skeletons must be redesigned and manufactured, resulting in great waste, increasing the cost of aircraft manufacturing, and greatly prolonging the production preparation cycle of aircraft development, thus affecting the overall development process of aircraft models.” The above-mentioned disadvantages of the traditional aircraft tooling skeleton connection form have a great negative impact on the aircraft development process

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