Process introduction of drug blister packaging

August 05, 2021

The blister, cavity, disk cartridge, etc. of the blister package are large and small, the shape varies depending on the shape of the packaged article; the substrate is also used without the substrate; and the type of the blister packaging machine is also many. There are also a variety of hood packaging methods. Nevertheless, the basic principles of blister packaging are roughly the same, and the typical process is:

Plastic sheet heating→film forming→filling product→covering substrate→heat sealing→cutting trimming to complete the above process, manual operation, semi-automatic operation and automatic operation can be used.

Since the blister packaging of the medicine has a large production volume, the variety is relatively fixed, and it is required to be safe and sanitary, it is preferable to use an automatic packaging line for production. In the automatic operation, in addition to completing the packaging process, printing, loading instructions, cartoning, etc. : The process is connected with the packaging line to form a fully automated blister packaging production line.

(a) the roll plastic sheet is unrolled and transported forward;

(b) The sheet is heated and softened, and a blister is formed by compression molding (using compressed air) or blistering (using vacuum) in a mold;

(c) filling the product with an automatic loading mechanism;

(d) Detecting the quality of the blister molding and whether the filling is qualified; in the automatic production line, the photoelectric detector is often used. When the unqualified product is found, the waste signal is sent to the memory device, and the waste product is automatically rejected after the blanking process is completed;

(e) the roll substrate material is overlaid on the filled blister;

(f) sealing the blister and the substrate with a plate or roll heat sealer;

(g) printing the lot number, date, etc. on the back side of the substrate;

(h) die cutting into individual packaging units. After the waste removal process is completed, the waste product is removed according to the signal stored in the memory device.

(j) Packing instructions, boxing, and becoming a sales package.

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