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How to maintain the beverage bottle blowing machine

① Coarse adjustment.

Loosen the four front nuts of the tie rod and its pressure plate to move the adjustment plate backward. At this time, the sprocket screw is closely fixed to the rear pressure plate of the mold adjustment nut of the adjustment plate without the rear end, thereby eliminating the sprocket nut and the rear pressure plate Clearance. At the same time, because the front nut pressure plate of the tie rod is loosened, the tie rod moves forward under the drive of the sprocket screw without reaction force, the gap between the front nut and the fixed template will increase, when it is determined that all 4 tie rods move forward (4 front After the gap between the screw and the fixed template is increased), tighten the front nut with a uniform force, press the front nut pressure plate, and complete the rough adjustment of the parallelism between the moving template and the fixed template. Then, after opening and closing the mold multiple times quickly, with the double toggle mechanism fully extended, measure the distance between the four corners of the moving template and the fixed template to calculate the parallelism.


② Fine adjustment.

The method of fine adjustment is to adjust the position of the front nut individually according to the distance measured at the four corners of the movable template and the fixed template to increase the parallelism. The process of measurement and adjustment often needs to be repeated many times. Pay special attention to the following two points during the fine tuning process:


First, the precision measurement is performed after the double toggle mechanism of the mold clamping action is straightened. Most of the damage of the mold adjustment mechanism of the blow molding machine occurs when the injection machine's high-pressure mold clamping, the state of the double toggle mechanism in the mold clamping action is closest to the state of the mold clamping. After the mold clamping action, the reaction force of the forward movement of the driven mold plate, the mold adjustment nut and the mold adjustment plate are close to each other, eliminating the gap between the mold adjustment screw and the mold adjustment plate, and the forward direction of each motion pair of the double toggle mechanism Clearance, which is more suitable for adjustment as a benchmark;


Secondly, use the quick mold opening and closing function to move the movable template and adjust the template to adjust the posture of the mold opening and closing mechanism. The fixed template, the movable template and the adjustable template of the opening and closing mechanism of the mechanical hydraulic injection machine. Only the fixed template is fixed on the horizontal bed by bolts. The movable template and the adjustable template are placed flat on the machine rail and can be moved back and forth. The quick opening and closing mold can adjust the moving template and the adjusting template in proper position by themselves, which is very important for the adjustment of the parallelism. Therefore, after adjusting the front nut each time, you should quickly open and close the mold multiple times, find the relative position of the three plates, and then measure the parallelism.

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