Punching machine for trial-manufacturing of ultra-high-strength plate

Abstract

The invention discloses a punching machine for trial-manufacturing of an ultra-high-strength plate. The punching machine comprises a worktable, a lower die holder is fixed to the outer wall of the topof the worktable through a bolt, mounting holes are formed in the positions, close to the four corners, of the outer wall of the top of the lower die holder, sliding rods are fixed to the circumference inner walls of the mounting holes through bolts, the same upper die holder is in sliding connection to the circumference outer walls of the sliding rods, first through holes distributed at equal distances are formed in the outer wall of the top of the upper die holder, loop bars are inserted to the circumference inner walls of the first through holes, and a protection plate is welded to one side of the outer wall of the top of the worktable. Under driving of a hydraulic oil cylinder, the upper die holder is pressed down, through the sliding rods, rapid sliding down is achieved, the upper die holder makes contact with a steel plate on the surface of the lower die holder for pressing, downward moving is rapid, operation is easy and convenient, device practicability is improved, a spring achieves the stretching effect, and the longer the spring is stretched, more convenience is provided for lifting of the upper die holder through spring retraction during upper die holder lifting.

Description

technical field [0001] The invention relates to the technical field of stamping machines, in particular to a stamping machine for trial production of ultra-high-strength plates. Background technique [0002] The stamping machine presses and forms the plate through the drawing die. At present, the hot stamping forming process of ultra-high-strength steel plate is divided into the following steps: first blanking, and then heating the blank to 800 to 950 degrees Celsius to form the steel plate Austenite structure, then transfer the billet to the press, form and cool, quickly close the mold, form martensite structure, and obtain the desired product. [0003] At present, the existing stamping machines on the market mostly have the following deficiencies in the process of use: the lowering speed of the mold base is relatively slow, which affects the pressing and forming, so that the obtained products do not meet the expected effect. In summary, most of the existing stamping machi...

AI Technical Summary

Problems solved by technology

[0003] At present, most of the existing stamping machines on the market have the following deficiencies in the process of use: the lowering speed of the die base is slow, which

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