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Press riveting force displacement data real-time collection method based on automatic drilling and riveting

An automatic drilling and riveting, real-time acquisition technology, applied to measuring devices, instruments, etc., can solve problems such as no description or report found, no data collected, etc.

Inactive Publication Date: 2017-02-22
SHANGHAI SPACE PRECISION MACHINERY RES INST
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, there is no description or report of the similar technology of the present invention, and no similar data at home and abroad have been collected yet.

Method used

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  • Press riveting force displacement data real-time collection method based on automatic drilling and riveting
  • Press riveting force displacement data real-time collection method based on automatic drilling and riveting
  • Press riveting force displacement data real-time collection method based on automatic drilling and riveting

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0018] The cabin section starts automatic drilling and riveting processing, runs the automatic drilling and riveting NC program, the CNC system issues M7-M12 commands to control the riveting driver to perform the riveting action, and opens or closes the sampling command according to the process needs; when the command is turned on, the riveting driver is in the The riveting action is performed point by point, and the PLC module connected to it communicates with it to read the position coordinates o...

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Abstract

The invention discloses a press riveting force displacement data real-time collection method based on automatic drilling and riveting. According to the method, a CNC (computer numerical control) system issues an M7-M12 instruction to control a press riveting driver to perform press riveting action; a designed PLC (programmable logic controller) program module is connected with the press riveting driver to perform real-time data transmission; force-position data in a point position is obtained; the data collection is performed through a developed special read-write module; the data is transmitted onto an industrial personal computer or a PC (personnel computer); through text-picture conversion software, the force-position data is converted into a force-position curve. The method has the advantages that the press riveting action and the force-position curve sampling and reading parallel processing can be realized; the sampling can be timely started and stopped by aiming the type of the point position; the highest sampling frequency can reach 0.01s, so that the press riveting force magnitude is controlled to be within 1 percent; in addition, the PLC module communicates with a CNC; a fault of the CNC system can be obtained; the goal of warning in time can be reached.

Description

technical field [0001] The invention relates to the technical field of automatic drilling, riveting, processing and assembling of a cabin section of a launch vehicle, in particular to a method for real-time acquisition of riveting force displacement data based on automatic drilling and riveting. Background technique [0002] The rocket body structure of the launch vehicle is mainly divided into two types: tank and cabin, and the latter is mainly assembled by riveting technology. The riveted cabin is generally a cylindrical structure that connects beams, stringers, frames, skins, etc. by riveting and screwing. Decades of application of foreign riveting assembly technology shows that the assembly efficiency of automatic drilling and riveting machine is at least 10 times higher than that of manual riveting assembly, and it can save installation costs and improve working conditions. More importantly, it can ensure installation quality and greatly reduce manpower. defects caused...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02
CPCG01D21/02
Inventor 梁莹方新宇韦世峰
Owner SHANGHAI SPACE PRECISION MACHINERY RES INST
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