The fixed centering device means that it is fixed during the punching process of the workpiece (sheet), and in order to meet the alignment needs of different lengths and specifications, we provide the user with 5 sets of the centering position to meet the customer's requirements. Reserve 2 sets of alignment stations for customers. The 5 sets of fixed centering devices have independent control lines. According to the different lengths of the plates, the corresponding centering device can be selected to cooperate with the moving center of the front end of the sheet to perform the centering operation.
When centering, the motor controls the two-way screw to rotate, thereby driving the positioning column to move to the middle to complete the centering. The middle positioning hole pin is used for positioning when there is a positioning hole on the sheet, and has a lower scale as an aid. After the centering is completed, after the clamp clamps the sheet material, the fixed centering device is released and restored to its original state.
(4) Mobile centering device. The structure and working principle of the centering portion of the mobile centering device (Fig. 6) is substantially the same as the centering portion of the fixed centering device, except that one cylinder and slider are added to the structure.
Figure 6 mobile alignment device
When the sheet is in place, the moving centering and the fixed centering function at the same time. After the centering is completed, the fixed centering returns to the original state, and the moving centering clamping state remains unchanged. The moving centering device follows the clamp feeding device in the punching phase, and after the two clamps hold the sheet material for punching work, the centering portion of the moving centering device is restored to the original separated state, and is dragged by the cylinder. Go back to the original initial position.
3. Host components
The main part of the SPT120-12A is a closed hydraulic press (Fig. 7), which is mainly used to complete the core function of the machine tool - punching. It consists of a closed bed, a mold library (Fig. 8), a waste disposal device, and a front and rear guide frame.
Figure 7 host
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