A numerically controlled double-action stretching machine and stretching method

Abstract

The invention provides a numerical control efficient energy-saving environment protection double-action stretching machine and a stretching method for solving the problems of low production efficiency and high energy consumption of the existing stretching machine. The stretching machine comprises a stretching cylinder, a fast cylinder, an edge pressing cylinder, an upright post, a beam plate, a hydraulic system, an energy accumulating system, an electric control cabinet and a main oil tank, wherein the stretching cylinder, the fast cylinder, the edge pressing cylinder, the upright post, the beam plate, the hydraulic system, the energy accumulating system, the electric control cabinet and the main oil tank are arranged on a machine frame, the beam plate comprises an upper beam plate, an edge pressing movable beam, an edge pressing fixed beam, a stretching movable beam and a lower beam plate, the edge pressing cylinder and the fast cylinder are fixedly connected with the upper beam plate, the upper beam plate is fixedly connected with the upright post through an upper beam upright post locking screw nut, the stretching cylinder is fixedly connected with the lower beam plate, and the lower beam plate and the edge pressing fixed beam are fixedly connected with the upright post through a lower beam upright post locking screw nut. The method comprises the following steps that the edge pressing movable beam realizes idle-load ultrahigh-speed descending and low-speed mold profiling pressure preservation; the stretching movable beam fast stretches, the edge pressing movable beam returns at an ultrahigh speed, the system pressure and the flow rate are controlled by adopting a proportion valve, the stepless pressure regulation and speed regulation can be realized, and the stretching machine and the method have the characteristics that the stepless pressure regulation and speed regulation can be realized, the work efficiency is high, the energy consumption is low, the operation is convenient, the environment is protected, and the like.

Description

technical field [0001] The invention relates to a stretching machine, in particular to a numerically controlled double-action stretching machine and a stretching method. Background technique [0002] The hydraulic stretching machine is a kind of equipment that completes the stretching process of metal sheets. At present, most of the stretching machines used in actual production are floating stretching or forward stretching and reverse stretching. They are bulky and complex in structure. Low efficiency, high energy consumption, poor safety, difficult operation and adjustment, inconvenient maintenance, low degree of automation, and not easy to be used with modern robots and manipulators. Contents of the invention [0003] In view of the above situation, the present invention provides a high-efficiency and energy-saving numerical control double-action stretching machine with high automation, which can greatly improve production efficiency and effectively guarantee the safety ...

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Problems solved by technology

[0003] In view of the above situation, the present invention provides a high-efficiency and energy-saving numerical control double-action stretching machine with high automation, which can greatly improve production efficiency and effectively guarantee the safety of operators, so as to solve the problems existing in existing stretching machines

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