Operation and Maintenance Methods for Mineral Water Bottle Blow Molding Machines

Preheating

Preforms are irradiated by infrared high-temperature lamps to heat and soften the body portion. To maintain the shape of the bottle neck, the neck of the preform does not require heating and therefore needs to be cooled using a cooling device.

Blow Molding

This stage involves placing the preheated preform into a pre-prepared blow mold and inflating it with high-pressure air to stretch and shape the preform into the desired bottle. The mineral water bottle blow molding machine integrates the two blowing steps into one through the operation of a robotic arm, eliminating the intermediate manual process of placing preheated preforms into the blow mold, thereby significantly speeding up production.

Operational Guidelines

1. Before starting each shift, lubricate all moving parts once (robotic arm, robotic arm导轨, mold opening and closing导轨).

2. The swing arm can be lubricated every 3–4 days, and the large and small chains of the heating unit can be lubricated once a month. Regularly check whether the main reducer and heating unit reducer are lacking oil. The main bearings can be lubricated every three months.

3. Before production, check whether all moving parts are secure and whether screws are loose or detached, especially in areas subject to strong impact. Also, check whether the belt transmission is abnormal.

4. Check whether the high-pressure air source, low-pressure air source, power supply, and water source are normal.

5. Check whether all emergency stop switches, safety door switches, and protective device detection switches are functioning properly.

6. Check whether the preform feeding and dropping parts of the heating unit are working properly. If the preform insertion is not in place, adjust the nut of the preform pressing device.

7. Check whether the lamp tubes are damaged or broken and replace them promptly if necessary.

8. Check whether any pneumatic components are leaking and whether they are operating sensitively.

9. Check whether the triple unit is leaking abnormally, clogged, or if the water cup is overfilled.

10. If the solenoid valve of the mineral water bottle blow molding machine exhibits abnormalities, clean it promptly (clean every 3.5 million blowing cycles).