Main drive for double-servo numerical-control turret punch press

Abstract

The invention discloses a main drive for a double-servo numerical-control turret punch press. The main drive comprises a driving servo motor and an auxiliary servo motor. A speed reducer is fixedly connected to the driving servo motor. An output shaft of the driving servo motor is fixedly connected with a connecting shaft of the speed reducer. A joint seat is fixedly connected to the surface of the speed reducer. A crank is fixedly connected to one end of the speed reducer and located in the joint seat. The crank is sleeved with a connecting rod. An upper sliding block is movably connected to the bottom end of the connecting rod through a connecting pin. A nut is fixedly connected to the bottom of the upper sliding block. According to the main drive, a lower sliding block is driven by the auxiliary servo motor to move downwards, so that the stroke from the dead point to the pre-pressing point is reduced, the eccentricity of the crank is reduced, the power of the servo motors is reduced, the energy consumption is lowered, the rated stamping force can be reached, the high stamping frequency can be reached, and the precision is improved to a certain degree due to the short moving distance; and in work, due to the fact that the motion stroke is short, the generated noise pollution is small.

Description

technical field [0001] The invention relates to the technical field of mechanization, in particular to a main drive of a dual-servo numerical control turret punch press. Background technique [0002] CNC turret punch press, as the main transmission part of stamping power, adopts a crank-link mechanism. The crankshaft is equipped with an eccentric shaft. The power source is provided by a motor installed at the end of the crankshaft. The pin shaft is connected with the slider, and the stroke of the slider is the distance between the upper dead center and the lower dead center, which is determined by the distance between the upper and lower dies + the input modulus + the safe movement space of the striking head above the handle of the upper die It is determined that the stroke of the slider of the CNC turret punch press in the market is generally controlled by the movement of the eccentric wheel of the eccentric shaft, and the power of the eccentric wheel is provided by the mot...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a main drive of a dual-servo CNC turret punching machine, which solves the problems of slow speed, high energy consumption, high noise and low precision of the CNC turret punching machines on the market in the stamping process. question

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