Composition and function (II) of vacuum blister machine

1.vacuum blister machineCompressed air equipment

The pneumatic system can be composed of the molding machine with its own compressor, air storage tank, workshop main pipe set, valves, etc. The molding machine requires a pressure0.4-0.5MPaof compressed air,Piston air compressors are widely used in various vacuum suction machines. It can also be supplied with large spiral air compressors throughout the plant.

In addition to a large amount of compressed air for molding, it also has a part of the power for demoulding, external cooling of primary products and manipulating the mold frame and running sheets.

Blister machine mold functional characteristics

2.Vacuum blister machine cooling equipment

In order to improve production efficiency, vacuum plastic molding products often need to be cooled before demoulding. Desirably, both the inner and outer surfaces of the article in contact with the mold are cooled, and preferably a mold with internal cooling coils is used.

For non-metallic molds, such as wood, gypsum, glass fiber reinforced plastic, epoxy resin and other molds, because they cannot be cooled by water, air cooling can be used instead, and water mist can be added to cool the outer surface of the vacuum plastic forming parts.

Blister machine radiation energy

If natural cooling is used in the production of vacuum blister, the annealed parts can be obtained, which is beneficial to improve the impact resistance of the parts. Although water cooling has high production efficiency, the internal stress of the parts is large.

Vacuum blister machine heating equipment

3.Vacuum blister machine demoulding equipment

Demoulding is to remove the product from the mold, usually whether it is a concave mold or a convex mold, most of the occasions are due to the cooling shrinkage of the product and close to the mold, so through the vacuum suction hole or blowing in the opposite direction to demoulding.

Vacuum equipment Vacuum Blister machine

Vacuum blister machines, especially for molds with small demoulding inclination or concave molds, use demoulding mechanisms to contradict or shake demoulding, and sometimes apply demoulding agent on the sheet and mold or spray Teflon on the surface of the mold.

Suction machine opportunities for success

4.Vacuum blister machine control equipment

The control system generally includes the control of various parameters and actions of instruments, meters, pipelines and valves in the process of vacuum blister molding and finishing. The control mode is manual, electrical-Mechanical automatic control, computer control, etc., the specific selection should be based on the initial investment labor costs, technical requirements, raw material costs, production and maintenance equipment costs and other factors.

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