1, stamping operation when the first switch electromagnetic valve, the pre pressure cylinder by pre pressing oil cylinder and the work is conducted, and then the pre pressure intake hole pressure to pass into the pre pressure cylinder, the pressure oil cylinder by preloading preloading of oil cylinder to work fast extrusion cylinder rod chamber, push the work fast out, which is mounted on the cylinder rod of the stamping die mold will work against the workpiece fast stamping die stamping machine in the mold, then switch electromagnetic valve, the pre pressure cylinder through a cavity oil passage and a pressure cylinder through the pre pressure, continue to the inlet pressure to pass into the pre pressure cylinder, the pre pressure cylinder pressure oil into the pressure cylinder, the booster piston cylinder downward pressure, oil pressure cylinder in the subarachnoid space by pressurized oil into the cylinder, pressure of cylinder rod, cylinder cylinder rod pushes out the steel plate punch Type.
Structural illustration of pre pressure oil pressure gas-liquid supercharger
2, the bolt pull rod is connected between the first, second connecting seats to enhance the structural stability of the pre pressure cylinder and the pressurized cylinder, so as to prevent the oil leakage of the pressurized cylinder and the prepressed cylinder.
3. The bolt pull rod is connected between the second, third connecting seats to enhance the structural stability of the working cylinder and prevent the oil leakage of the working cylinder.
The pre pressure hydraulic gas-liquid supercharger comprises an upper and a lower connecting seat arrangement first, second, third, in the first, second connecting seat is arranged between the pre pressure cylinder and the pressure cylinder, the connecting seat second, third is connected between the working cylinder, pressure inlet and pass into the upper cavity of the pressure cylinder pressure oil inlet hole in the seat is provided with a pressure cylinder connected to the first in the second pre connected through cylinder pressure oil passage, communicated with the pressurized oil cavity tract pressure cylinder cylinder is provided with a cavity and work, in second is connected with the electromagnetic valve installation seat, inlet access pre pressure cylinder solenoid valve, solenoid valve and the oil outlet through tubing and booster oil inlet connection, another oil outlet and pre pressure oil is connected between the third connected through the return cylinder lower seat is provided with a hole. The stamping operation can be divided into two action process of pre pressure and supercharging, which can improve the pressure output, reduce the stamping action speed, and the operation is safe and reliable.
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