Components and Operation of Bottle Blow Molding Machine

Are you planning to venture into a  Plastic bottle production industry? Perhaps you have one but needs the right machine to carry out production?

If your answer to either of the questions above is "Yes" then you should take time to learn about Bottle Blow Molding Machine.

The Bottle Blow Molding Machine is used in plastic industries that produce hollow materials, most especially Plastic bottles. To do this,  a hollow plastic is initially fed into the Machine and preheated.

The melted plastic is then "blown" to form a desired shape of bottles by the Bottle blow molding machine.

In this article, we will walk you through the components and Operation of Bottle blow molding machines.

Components of Bottle blow molding machine

Although there are various kinds and designs of Bottle blow molding Machines available in the market, yet majority of them consist of the same basic components, which include:

Feeding System - This system is made up of both steering and electric components. It contain the hopper, perform conveyor, Orientator and gravity rails. The raw materials (that is the hollow plastics) are fed into the Bottle blowing Machine through this system.

Preform Tilter - If the Plastic bottles are to be produced from Polyethylene Terephthalate (PET), then the Machine should contain a Perform Tilter which automatically supplies the "Perform" (raw plastic) to the hopper.

Bottle Exit Conveyor - This is the Component that moves the bottles to the filler or to an unscrambling system. It can be in different designs based on the actual Bottle blowing Machine.

Compressor Station - This is the region of the Bottle blowing Machine where the plastic bottles are compressed to a more rigid structure. The compressor station comprises of screw compressors, boosters, steering box, connectors and air tank.

Water Cooling System - The heat generated during the Bottle blow molding process is dissipated through the water cooling system.

Operation of Bottle Blow Molding Machine

Bottle blow molding Machines are sophisticated machines that Perform automated operations.  Once properly set, a Bottle blow molding machine can produce thousands of bottles in a short period of time. The processes involved in the operating of Bottle blow molding machines are:

1.  Feeding of Plastic pellets- The blow molding Machine usually contains a hopper or a screw through which plastics are fed into the system.

2. Melting of Plastic Pellets- Through the application of heat and pressure, the platics fed through the hoper melt and then get shaped into tube-like fragments (known as Parisons) with a hole at the end.

3. Inflation of Parisons- Parisons are inflated through compressed air and so they fill the space of the mold.

4. Finishing-  The water cooling system cools the plastic, it is then removed and sent to any applicable finishing unit.

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