Stretch. The drawing process is carried out by a simple hydraulic system so that the heated soft sheet forms a more regular shape for easy vacuum forming. The hydraulic system includes a three-phase asynchronous motor, three proximity switches and one on-delay relay.
Forming. The sheet is formed by evacuating the softened sheet by means of a vacuum in the mold to form a desired regular shape on the mold. In this system, the vacuum pump is activated by the solenoid valve.
Pinch feet. Fitting action depends on the processing needs of the product, the same is through the solenoid valve to brake, as a vacuum forming the auxiliary action, is conducive to the formation of regular shape of the product.
Punching. After the mold is processed into the desired shape, the product is cut from the sheet by the punching and shearing process, and then the stack is packed. Similarly, the punching and shearing action is controlled by two servo motors. It is necessary to set the speed, steering and operation time of the motor in the program.
Stacking. The stacking action is done by the servo motor with the photoelectric switch and counter. Stacked lifts to punch out the product according to set the number of stacked up to facilitate the packaging. Before the counter reaches the set count value, the elevator moves according to the stroke set by the program. When the count value is reached, the lift will be pushed according to the setting of the other stroke.
Pull the arm action. The function of the arm mechanism is to send the stacked product to the conveyor chain. The arm motor is a single-phase asynchronous motor whose start and stop is controlled by the proximity switch. When the stacking elevator is pushing out the product, the proximity switch is activated to start the arm motor, and the motor reversal and reset are controlled by the other proximity switches.
Delivery. Transmission is done through the chain rail mechanism, the transmission motor is a single-phase asynchronous motor, by the proximity switch control its action.
Received. The control of the receiving action is similar to that of the feeding part, and it is also judged by the proximity switch whether it is necessary to start and stop the motor so that the scrap can be rolled up. The receiving motor is a three-phase asynchronous motor.
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