The working principle of the automatic blow molding machine during the blowing process

When the automatic bottle blowing machine equipment starts to blow the bottle, the high pressure gas in the bottle enters the recovery gas storage pipe 6 through the exhaust pipe of the three-way valve 10 and the one-way valve 12. Manual solenoid valve 1 closes the original stretched low-pressure intake and pre-blowing intake lines. At this time, the stretching cylinder and the pre-blowing air are supplied by the recovery air storage pipe, because the bottle volume is different (0.6L, 1.25L, 2.0L, etc.), we can properly open the exhaust valve 9 to remove the excess The air volume is discharged to maintain the balance between the recovery gas volume and the consumption gas volume. If there is still residual gas in the recovery gas storage pipe, it will be discharged through the 15bar valve 4, so the valve has enough flow to discharge the excess gas. When stopping blowing, Open the manual solenoid valve to supply air from the original low pressure and pre-blow lines. Although this system only provides recycled gas for stretching and pre-blowing, the investment is small (take SBO10/14 as an example, only about 20,000 yuan, depending on the price of accessories), and the return is large (160,000 to 200,000 annual cost savings), independent Strong performance (if there is a fault or other reasons, the original gas supply system can be used), high flexibility (simple and convenient installation), in line with the basic principles of our technical transformation project, making the product more competitive in the market. When the machine is idling and the bottle is not blown, the low-pressure gas passes through the solenoid valve of the original pipeline to the gas storage pipe of the stretching cylinder, and the recovery gas storage pipe is isolated from the gas storage pipe of the stretching cylinder through the one-way valve, so there is no low-pressure gas in the recovery gas storage pipe. The entire stretching air system and pre-blowing system remain the same as before the renovation. The working principle of the whole system of the automatic blow molding machine is relatively simple, because only the stretching cylinder and the pre-blowing part need to be supplied, and the installation structure is also convenient. Bottles should grasp the relationship between supply and demand. What should be paid attention to is the balance between the amount of recovered gas and the amount of consumed gas, so the relationship between supply and demand should be well grasped when using bottles of different capacities. The above is the working principle of the automatic blow molding machine in the blowing process.
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