Plastic packaging production technology

          1, mold production and processing According to the requirements or sample specifications, first make the blister mold. Generally, plaster is used to make blister packaging molds, but wood and metal carvings are also used as molds. After the plaster mold is made, it is allowed to dry completely or naturally. Then, depending on the specific conditions of the product surface, a 1-2 mm drill bit is used to drill a lot of holes in the low recnotations that do not affect the appearance of the product packaging.If it is a product such as a blister box, small holes must be drilled in the four sides to extract air during the blister production process. After drilling the mold, the plaster mold must be hardened and hardened. The treatment is soaked in a saturated alum solution and then dried.
         2. After the mold is completely dry, put the mold into the upper iron plate in the vacuum chamber, then load the plastic sheet into the applicable specifications according to the mold size, and then put the sheet into the heated wood cabinet for complete fixing, and then put the wood cabinet and plastic sheet together on the constant temperature furnace for softening treatment.
         3. Put the softened plastic sheet into the vacuum room together with the wooden cabinet, flip the air suction switch, and clean the air in the vacuum room. After the plastic sheet is cooled, the concave packaging or process mold is obtained as the mold.

        4. Blister packaging finishing: Finished products are finished products after finishing, which can be sold after packaging.
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