Rectangular pipe double-side multi-hole synchronous forming device

Abstract

The invention discloses a rectangular pipe double-side multi-hole synchronous forming device, and belongs to the technical field of machining equipment. The rectangular pipe double-side multi-hole synchronous forming device structurally comprises a mold core, material return plates, punching pin bases, springs, transition press plates, two-end fixing plates, guide rods, hydraulic cylinders, up-and-down fixing plates, locating pins and movable locating plates. The parts are symmetrical in the left-and-right mode. The same thrust is generated by the hydraulic cylinders under the action of a synchronizing valve and pushes the transition press plates on the left side and the right side to move forwards, the transition press plates combine the two parts of force transmitted by the hydraulic cylinders into one part of force by use of a semi-convex-circle and enable the force to act on the centers of the punching pin bases, the one-degree-of-freedom constraint is conducted on the force, and the springs at the periphery guarantee the force bearing uniformity. The punching pin bases move forwards under the guidance action of the guide rods, punching pins on the punching pin bases are stabilized and guided under the assistance action of punching pin holes of the material return plates, and the punching pins on the two sides synchronously punch a rectangular pipe together. The rapid efficient high-accuracy punching operation can be achieved through the low thrust, the large-batch production of parts is facilitated, and the product quality is also guaranteed.

Description

technical field [0001] The invention belongs to the technical field of mechanical processing equipment, and relates to a hole processing device, in particular to a double-sided porous synchronous forming device for a rectangular tube. Background technique [0002] At present, with the development of stamping technology, it is more and more favored by the market because of its advantages of high efficiency, convenient operation, stable part quality and low requirements for operators. The dimensional accuracy and efficiency of stamping are generally guaranteed by molds, so the market demand for molds continues to grow, and the design requirements for molds are also getting higher and higher. Among them, the stamping process of the rectangular tube is particularly troublesome, so the designed mold should not only facilitate the stamping of the rectangular tube, but also realize the characteristics of high stamping efficiency. There are mainly two stamping methods for rectangul...

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of low punching processing efficiency of the existing processed rectangular tubes, easy deformation during stamping and processing of high-precision rectangular tubes, low shape and dimensional accuracy after stamping, and propose a rectangular tube double-sided porous synchronous The forming device, through the synergy of hydraulic cylinders, can achieve fast, efficient and high-precision stamping with a small thrust, which is convenient for mass production of parts and can further improve product quality

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