Environmental-friendly energy-saving die-casting machine electrohydraulic control system and energy-saving method
A control system and energy-saving technology, applied in the field of die-casting machines, can solve the problems of large waste and high energy consumption of the hydraulic system, and achieve the effects of noise reduction, energy saving and smooth movement
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] like figure 1 shown.
[0018] An environment-friendly and energy-saving die-casting electro-hydraulic control system, which includes a large oil pump PU2 and a small oil pump PU1, a mold closing valve DR2 and a mold adjusting valve DR1. The mold valve DR2 is connected to the oil inlet channel of the mold adjusting valve DR1, and the outlet end of the large oil pump PU2 is also connected to the unloading valve A2, and the output end of the unloading valve A2 is connected to the oil inlet end of the energy storage device ACC3, and the energy storage The output end of the device ACC3 is respectively connected with the oil inlet channels of the clamping valve DR2 and the mold adjusting valve DR1 through the solenoid valve A3. The output end of the large oil pump PU2 is connected with a relief valve A1, and the output end of the relief valve A1 is ...
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