The first two steps determine the overall distribution

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Posted by: semibachinea
12 days ago

The blow molding process includes: stretching-primary blowing-secondary blowing. The three action moments are short, but they must be well coordinated, especially the first two steps determine the overall distribution of the bottle material and the quality of the bottle. Therefore, it is necessary to adjust: stretching start opportunity, stretching speed, pre-blowing start and end opportunities, pre-blowing pressure, pre-blowing gas flow, etc., it is best to control the temperature distribution of the preform as a whole, and the temperature gradient of the inner and outer walls of the preform. .
Summary: The above is the working principle and process of mineral water bottle blowing machine. Bottle preforms are transferred from the automatic feeding machine to the main machine of the blowing machine through a conveyor belt to the oven, preheated, transferred to the mold clamping device, and stretched. Rod stretching, pre-blowing, and high-pressure blowing are used to blow the preforms into bottles at one time. The entire process does not require manual intervention. All are completed by the blow molding machine equipment. It has high automation efficiency, saves labor and production costs, and improves comprehensive economic benefits.
PET bottle blowing machine is a PET bottle blowing machine made of PET (full name: polyethylene terephthalate) material. It is mainly used for carbonated beverage bottles, mineral water bottles, cosmetic bottles, and oil bottles. , Space cup, medicine bottle, etc. The PET bottle blowing machine is made into bottles through preform pre-transportation-heating-clamping-drawing-blowing. The whole process seems simple, but it is relatively difficult to produce qualified bottles. The specific working principle is as follows:
1.Automatic slab hoist
The preforms are semi-automatic blowing machine factorypoured into the loading hopper. The automatic loading hoist detects the presence of preforms in the hoisting track of the hoist through the induction monitoring system and starts automatic loading. During the loading process, the detection and transfer process is started again. In the whole conveying track, the preforms are already full, and the excess preforms are automatically returned to the hopper to ensure that the preform installation sequence advances.

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