A hydraulic press for bulging pressing forming of an automobile axle housing, comprising a hydraulic system, an electrical system, a pressurization system, front and rear high-pressure jacks, and a pressing forming die, the pressing forming die comprises an upper die, a lower die, a front die, a rear die, a left pressing head, a right pressing head, an upper die base and a lower die base,
- wherein a lower cross beam is an inverted T-shaped case structure, an upper cross beam is a T-shaped case structure, front and rear ends of left and right stepped surfaces of the lower cross beam and the upper cross beam are respectively supported by four stand columns to form a closed frame structure, the upper cross beam and the lower cross beam are respectively connected in a vertical direction by four vertical pull rods for balancing external forces applied to the upper cross beam and the lower cross beam in the vertical direction when the hydraulic press is operating, and the upper cross beam and the lower cross beam are respectively connected to upper end parts and lower end parts of the four stand columns in a horizontal direction by four transverse pull rods for balancing external forces applied to the four stand columns in a left-right direction when the hydraulic press is operating the four stand columns comprising two left stand columns and two right stand columns
- a main hydraulic cylinder is mounted upside down on the upper cross beam, a lower end of a piston rod of the main hydraulic cylinder is connected to the top surface of a main slider by a flange, the main slider is connected to the upper die base, and the main hydraulic cylinder drives the upper die base and the upper die to move in the vertical direction;
- a left vertical slider is located between the two left stand columns, a right vertical slider is located between the two right stand columns, the left vertical slider is movable in the vertical direction between the two left stand columns, the right vertical slider is movable in the vertical direction between the two right stand columns, the bottom surfaces of the left vertical slider and the right vertical slider are respectively connected to piston rods of a left vertical hydraulic cylinder and a right vertical hydraulic cylinder, and the cylinder bottoms of the left vertical hydraulic cylinder and the right vertical hydraulic cylinder are respectively mounted in the middle of the left stepped surface and the right stepped surface of the lower cross beam;
- a left horizontal hydraulic cylinder and a right horizontal hydraulic cylinder are respectively mounted in the middle of inner sides of the left vertical slider and the right vertical slider, and guide sleeves are respectively disposed on the upper part and lower part of the left vertical slider and the right vertical slider;
- piston rods of the left horizontal hydraulic cylinder and the right horizontal hydraulic cylinder are respectively connected to a left horizontal slider and a right horizontal slider so as to drive the left pressing head and the right pressing head to move leftwards and rightwards in the horizontal direction, left guide rods and right guide rods are respectively provided at the upper part and lower part of the left horizontal slider and the right horizontal slider, and the left guide rods and IV and the right guide rods slide in the guide sleeves are respectively disposed in the left vertical slider and the right vertical slider;
- and
- a worktable is mounted in the middle of an upper plane of the lower cross beam, and the lower die base is mounted in an upper plane of the worktable.