When pet blowing machine starts to blow the bottle, the […]
When pet blowing machine starts to blow the bottle, the high-pressure gas in the bottle enters the recovery gas storage pipe 6 through the one-way valve 12 through the exhaust pipe of the three-way valve 10, and the pet blowing machine is operated for one round to recover enough gas, and the manual electromagnetic valve 1 is used to close the original pull. Extend the low-pressure intake and pre-blowing intake lines. At this time, the stretching cylinder and the pre-blowing gas are supplied by the recovery gas storage pipe. Due to the different volume of the produced bottles (0.6L, 1.25L, 2.0L, etc.), we can appropriately The exhaust valve 9 is opened to discharge excess air from the muffler, and the balance between the recovered gas volume and the consumed gas volume is maintained. If there is still gas remaining in the recovery gas storage pipe, it is discharged through the 15 bar safety valve 4, so the safety valve must have sufficient The flow rate allows excess gas to escape, and when the blow bottle is stopped, the manual solenoid valve is opened to supply air from the original low pressure and pre-blowing lines.
Although this system only provides the recovery gas to the two parts of stretching and pre-blowing, it seems a bit of a fly in the ointment, but its investment is small (only about 20,000 for SBO10/14, depending on the price of the accessories), the return is large (year Cost savings of 160,000 to 200,000), strong independence (the original gas supply system can be used when there is a fault or other reasons), high flexibility (simple and convenient installation), which is in line with the basic principles of our technical transformation project, making the product more market competitiveness.
When the air is idling and not blown, the low pressure gas is passed through the original pipeline solenoid valve to the stretching cylinder gas storage pipe, and the recovery gas storage pipe is separated from the tensile cylinder gas storage pipe by a one-way valve, and no low pressure gas is recovered in the recovery gas storage pipe. The entire stretch gas system and the pre-blowing system remain undisturbed.
The whole system of the automatic plastic bottle blowing machine has a simple working principle. Because it only needs to supply the stretching cylinder and the pre-blowing part, the installation structure is also very convenient. It is worth noting that the balance between the recovered gas volume and the gas consumption is in production. The supply and demand relationship should be grasped when different capacity bottles are used.
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