Electro-hydraulic proportional position synchronous control system for bending machine
An electro-hydraulic proportional and synchronous control technology, applied in fluid pressure actuation system components, mechanical equipment, fluid pressure actuation devices, etc., can solve problems such as large hydraulic shock, inconvenient maintenance, complex structure, etc., to reduce production costs , improve efficiency, small size effect
Active Publication Date: 2020-09-01
NANJING INST OF TECH +1
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Problems solved by technology
[0004] The invention provides an electro-hydraulic proportional position synchronous control system, which adopts the combination of proportional cartridge valve and integrated hydraulic control system, and solves the problems of low precision, complex structure, high failure rate and hydraulic shock of synchronous control of bending machine through computer control. Large size, inconvenient maintenance, safety hazards caused by remote control, etc.
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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0019] Such as figure 1 As shown, the bending machine uses fluid transmission to make the double cylinder drive the slider to move up and down. Its working conditions are: fast down, slow down, work down, pressure maintaining, pressure relief, and return.
[0020] refer to figure 2 , the electro-hydraulic proportional position synchronous control system of the bending machine of the present invention is composed of an oil tank 1, a filter 2, a quantitative pump 3...
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The invention discloses an electro-hydraulic proportional position synchronous control system for a bending machine. The synchronous control system is composed of an oil tank, a filter, a metering pump, an overflow valve, a throttling valve, a central three-position four-way electromagnetic reversing valve, a cartridge valve, a two-position two-way electromagnetic reversing valve, a two-position three-way electromagnetic reversing valve, a signal amplifier, a hydraulic control one-way valve, a one-way valve, a hydraulic cylinder, a three-position four-way electromagnetic reversing valve and connecting pipelines used for connecting the above components. By means of the electro-hydraulic proportional position synchronous control system for the bending machine, synchronous control over the working procedures of fast descending, slow descending, working descending, pressure relief and return stroke of the bending machine controlled by a computer is achieved, the synchronous control systemhas the advantages of being simple in structure, small in appearance size, accurate and easy to operate and control and high in practicability, working efficiency is greatly improved, production costis reduced, and potential safety hazards caused by manual operation of operators are eliminated through computer remote control.
Description
technical field [0001] The invention relates to an electro-hydraulic proportional position synchronous control system, in particular to an electro-hydraulic proportional position synchronous control system for a bending machine. Background technique [0002] Bending machine is a kind of precision general-purpose equipment for sheet metal bending and forming, which has been widely used in many fields. At present, most bending machines in China mainly use torsion axis synchronous block positioning, machine-hydraulic synchronous block positioning and other methods for synchronous control. The defect is that the response of the hydraulic cylinder is slow, which is not conducive to control, and it is hydraulic transmission. The structure is complex and the cost of use and maintenance is high. Judging from the effect of use, because remote control cannot be used, in some dangerous working conditions, manual adjustment is required, which brings safety hazards to the work of operat...
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IPC IPC(8): F15B11/04F15B11/22F15B13/06F15B21/02B21D11/00B21D11/22
CPCF15B11/04F15B11/22F15B13/06F15B21/02B21D11/22B21D11/00
Inventor 陈立娟凌家胜高伟姚静董兆胜尹钰鑫陈毅鲁影影张延康葛杰彭泽钦
Owner NANJING INST OF TECH