Improvement of Electronic Control System of Punching machine


The first high-speed punch electric control structure is the punching motor through the pulley gears, gears, gears and other high-speed presses, the punching machine is a high-speed punching machine control system for the PLC program controller plus electronic cam, the control style is divided into two discriminant traps, Through the center gear with the transmission gear and electronic cam interface, the structure of the following career lost: First, too many intermediate transmission joints, service functions become a contraction and the cost of progress; the second is anti-appropriate Chen too long, not Timely control; third is the fault of savings, leading to the accuracy of the whereabouts of punch control. The second high-speed press electronic control structure is the crankshaft through the transmission rod directly with the electronic cam through, this structure simplifies the intermediate transmission, but because the electronic cam directly connected with the crankshaft, crankshaft down to form a straight couch to reach the punch electronic cam , The life of the electronic cam and monitoring accuracy caused great cunning.

The main motor is connected with the crankshaft through the V-belt and the gear. The crankshaft is equipped with an electronic cam controller. The electronic cam controller includes a rotating shaft and a spring pin. The crankshaft is provided with a mounting hole on the crankshaft, the crankshaft is connected with the gear, the bevel gear is provided with a bevel gear, the shaft is arranged in sequence through the bevel gear and the gear is connected with the crankshaft; the shaft and the crankshaft are connected with each other; Is provided with a pin hole communicating with the elastic pin structure. The shaft has a pin hole, the pin hole and the axis of the assembly hole are mutually straight, and the elastic pin is extremely elastic because of its elasticity, so that it is extremely easy to install with the shaft and can not loosen the appearance after assembling. The other end of the shaft is provided with a flexible coupling, the elastic coupling is connected with the electronic cam through a screw, and the shaft and the gear keep a certain gap.

High-speed punch support for the hollow structure, the bearing seat can play the purpose of shock absorption, warning punch down the impact caused by the impact of the electronic cam, shaft and bearing between the two bearings, bearings can accept radial Load, extend the life of the shaft.

When running, the main motor of the high-speed punching machine drives the crankshaft through the gear, the gear drives the shaft through the elastic pin, the shaft transfers the speed to the electronic cam through the elastic coupling, and the elastic cam is equipped with the elastic coupling, The device only transmits the torque on the shaft, therefore, in any situation, will not affect the electronic cam, punch press to improve the accuracy of electronic cam monitoring.

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