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working principle
The SPT120-12A automobile longitudinal beam numerical control flat plate punching line is moved from the loading side moving table to the loading roller by the automatic feeding electromagnetic suction cup. Firstly, the board is positioned at the end of the board. After the automatic feeding centering device centers the sheet, the clamp clamps the sheet to determine the position of the sheet in the machine coordinate system, and the X1 direction feeding mechanism drives the workpiece to move. . Then, according to the program generated by the automatic programming, the precise movement of the hole to be punched is achieved by the coordinated movement of the X-axis and the Y1 axis, the automatic die-change is completed by controlling the Y2 axis, and the main piston of the hydraulic punching unit is controlled to control the piston of the cylinder. Move up and down to achieve stamping of the sheet material. The processed waste is discharged from the chip conveyor into the waste trolley. The finished product is clamped by the blanking clamp, and the X2 direction feeding mechanism drives the workpiece to move to the designated position, and the pushing material moves the sheet from the cutting roller to the discharging side storage frame, and is driven away by the driving.
Key equipment
1. Feeding trolley and suction cup feeding mechanism
There is an electric trolley on the loading side of the machine. The loading electric trolley can be controlled to run outside the line by button control. After loading the pallets for driving, it will run to the automatic loading position and prepare to execute the automatic program.
The suction cup feeding mechanism is a C-shaped structural part of the automatic feeding part, and the device is equipped with 10 electromagnetic suction cups for sucking and holding the sheet material on the suction cup holder; the series hydraulic cylinder ensures the synchronous lifting of the suction cup holder, and the whole suction cup device The front and rear lateral movement is driven by a horizontal hydraulic cylinder, and the three precision linear guides are guided to run smoothly, ensuring synchronization at both ends.
Electromagnetic chuck working characteristics: positive energization excitation, reverse energization degaussing, (sudden) breaking electromagnetic force to maintain, thus ensuring safety and reliability.
When the electric feeding trolley stops at the designated working position, the suction tray descends from the trolley to suck the sheet, and then rises, transports the sheet horizontally above the loading support roller, and then places the sheet on the loading support roller, and then The suction cup returns to the initial position and waits for the signal to start the next working cycle.
2. Feeding parts
It consists of a feeding table, an X-axis transmission mechanism, a feed clamp and a centering mechanism (Fig. 2).
Figure 2 Feed assembly, loading trolley, suction cup loading assembly
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