A quick blanking and drawing two-mode hydraulic
machine comprises a rack. A sliding beam and a pressurization oil cylinder are installed on the rack. The pressurization oil cylinder is vertically installed on an upper beam in a sliding manner, wherein the upper beam is arranged at the top of the rack. The sliding beam is installed in a working cavity in a sliding manner, wherein the working cavity is arranged in the middle of the rack. A
plunger rod of the pressurization oil cylinder is connected with the sliding beam. A
locking mechanism is installed on the upper beam. A cylinder body of the pressurization oil cylinder is located in the
locking mechanism.
Stroke return oil cylinders are fixedly arranged on the upper beam.
Piston rods of the
stroke return oil cylinders are connected with the sliding beam. By the adoption of the quick blanking and drawing two-mode hydraulic
machine, the blanking and drawing functions are achieved through
hydraulic pressure, the dual purposes are achieved through one
machine, equipment
investment cost is reduced, and the space occupied by equipment can be saved as well. In the blanking process, the pressurization oil cylinder and the sliding beam fall synchronously, enough blanking
inertia can be generated, oil is injected into the pressurization oil cylinder to apply force, and enough pressure can be output by the equipment in the blanking process; and in the oil injection and force applying processes of the pressurization oil cylinder, an oil cavity of the pressurization oil cylinder is basically free of air, the
oil pressure in the oil cavity is large due to pumped hydraulic oil, pressure output in the blanking process is further guaranteed, and the blanking effect is guaranteed.