Automatic Punching Machine Working Principle

Automatic punching machine is used to control the processing of bearing cage punching window holes. It consists of two parts: punching die (connected with punching machine) and electronic control system. The control system consists of five parts: microcomputer control part, photoelectric input circuit, solenoid control circuit, display circuit, and stepper motor drive circuit.

The automatic punching machine system completes various functions under the control of unified clock pulses. When the start switch is closed, the program energizes the air clamp electromagnet and outputs several pulses by the CPU, which makes the stepper motor rotate a certain angle by the driving circuit as required, and then the motor locks itself, which is called the zero-seeking process, thus eliminating the mechanical transmission clearance error. After zero-seeking, the actuating solenoid is absorbed and the punch then drops. When the punch leaves the work, the photoelectric head fixed on the punching machine gives a signal that the punch is out of position. At this time, the microcomputer again makes the stepper motor rotate at a certain angle, and then waits for the punch to fall for the second time, so repeating the above process, the continuous punching process with the required number of holes can be realized.

The display shows the instant number of holes at any time. After punching a hole, the number of workpieces will be added up to one, and the number of holes will be reset to zero, and an audible alarm signal will be given.

The operation of automatic punching machine is explained in detail

1, we need to make a fixed fixture according to the size of the processing pipe, the size of the processing pitch, the size of the processing and the processing position data. Fasten the fixture and the pressure plate with the turntable.

2, then we should set the processing data in the computer on the automatic punching machine controller.

3, Fix the pipe material to be processed on the automatic guide of the die.

4, Start the power supply, the machine will finish the processing process of punching, half-hole, through-hole and cutting according to the computer instruction and processing data.

5, After a hole is processed, the automatic drilling disk will rotate to a certain angle according to the program set by the computer and start processing again by aligning the punch with the next processing hole position. Waiting for the whole turntable all finished processing and then take down the processed pipe comparison, position, hole diameter is - consistent can be reloaded pipe.

6, if in the process of processing encountered card material or lack of material, the machine will immediately prompt a fault alarm and stop working. This time we should press the total stop in time to avoid damage to the equipment.

7, in the process of processing the processing of the punch is not sharp, automatic punching machine will also instantly alarm to notify the staff to replace the punch.

This achievement can realize the processing of punching window hole of bearing cage from 10 to 60 holes. With the function of continuous punching and single-shot spot punching, it can finish the punching processing of a workpiece continuously at one time, and can also process a certain hole position on the workpiece with a single shot. The punching frequency is from 0 to 130 times/min, and if the number of holes exceeds 20, the frequency can reach 240 times/min. It can work continuously for 24 hours.

This achievement is the domestic research and development of the microcomputer control automatic indexing of high precision processing bearing cage window hole equipment. The accuracy of equal division is ≤±0.1 mm, which reaches the international level of similar products. The application of this achievement can greatly improve the production efficiency, reduce labor intensity, extend the life of the mold, save man-hours, improve the yield rate, and its economic and social benefits are obviously improved.