A system and method for controlling the upper die for pipe fitting incremental forming

Abstract

The invention discloses a pipe fitting progressive forming upper pressing die control system and method, and relates to the technical fields of pipe forming and machining. The system comprises a computer system, a feedback system and a voice coil motor control system; the computer system is used for acquiring upper pressing die pressing amount and a holding pressure value and transmitting the acquired upper pressing die pressing amount and holding pressure value to the voice coil motor control system; the feedback system is used for detecting position information of a voice coil motor and feeding the detected position information back to the voice coil motor control system; and the voice coil motor control system is used for driving the voice coil motor to move according to the upper pressing die pressing amount and the position information, and the voice coil motor drives an upper pressing die to press a pipe for forming and is used for enabling the pipe pressed by the upper pressingdie to rebound according to the holding pressure value. According to the pipe fitting progressive forming upper pressing die control system and method, the machining efficiency of the pipe fitting progressive forming system is improved, and holding pressure is exerted when the pipe rebounds to reduce vibration generated when the pipe rebounds.

Description

technical field [0001] The invention relates to the technical field of pipe forming and mechanical processing, in particular to a control system and method for an upper pressure die for pipe fitting progressive forming. Background technique [0002] Pipe fitting progressive forming is a cold-press forming method for pipes, which replaces die forming after annealing. The basic principle is to perform multi-point cold pressing in the pipe forming section, and finally fit the forming curve to achieve the required pipe shape. Pipe fitting progressive forming is a digital flexible manufacturing technology with high flexibility, which can realize cold forming of various pipes. [0003] Chinese patent, fitting incremental forming control system and its method, the invention discloses a fitting incremental forming control system, which realizes fitting progressive forming control of pipes, without mold processing after annealing of pipes; realizes automatic processing of various pip...

AI Technical Summary

Problems solved by technology

In the actual use of this patented system, the movement of the upper die at each fitting forming point takes a long time, resulting in a decrease in forming processing efficiency. Another disadvantage is that due to the long length of the pipe, the vibration of the pipe during the forming angle measurement stage , resulting in a measurement error in the forming angle

Images