Working principle, technological process and characteristics of automatic blow molding machine
1. Working principle of automatic bottle blowing machine The automatic bottle blowing machine is a two-step up-blowing automatic molding machine. PP and other crystalline plastics as raw materials for carbonated beverage bottles, mineral water bottles, cosmetic bottles, large-caliber bottles, high-temperature bottles, edible oil, automotive antifreeze, bubble water bottles, pet wide-mouth bottles, cans, etc. packaging container. The main structure and principle of the automatic blow molding machine The feeding part: the automatic reclaiming bin, through the conveyor belt to the blanking device, and entering the standby device in an orderly manner. The gripping part: the automatic rotating manipulator, which locks the preform to the preform seat by turning over. Chain transmission part: Rotary chain transmission, implementing the entire equipment Heating device: composed of two sets of relatively independent far-infrared lamp tube ovens, constant temperature heating control, preform self-transmission heating evenly. Clamping device: Balanced positioning by positioning rack, front, middle and rear three templates, double crank link machine; by stretching solenoid valve, high pressure blowing valve, pulling body sealing cylinder, movable sealing and blowing device: the preform enters During mold closing, through pre-blowing, stretching, and high-pressure blowing, the bottle is finally formed. 2. Features of automatic blow molding machine: 1. Automatic operation without manual intervention 2. Structural module design, easy maintenance and operation 3. Equipment automatic fault warning, when a process fails, the program will automatically switch to a safe state 4 . Each action is driven by a cylinder, and does not use an oil pump, which has the advantages of no pollution and low noise. Tube heating, strong penetrating power, preform rotation heating, orbital revolution, heating evenly, fast and reliable 3. Safety protection of automatic blow molding machine: 1. The main motor reducer adopts a torque limiting mechanism to prevent damage to the machine in case of failure. 2. Adopt the hanging bottle mouth to convey the air duct to prevent the bottle from tipping over during conveying. 3. Equipped with a stuck bottle detector, which will automatically stop and alarm when the bottle is stuck. 4. There is a bottle-free detector, which is used to send a working signal to the hoist, and the hoist will automatically replenish the bottle.
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