Plastic packaging box is a kind of plastic processing technology, the main principle is the flat plastic sheet after heating and softening, using vacuum adsorption on the mold surface, cooling after molding, widely used in hardware tools, IT electronic products, stationery, toys, small appliances, handicrafts, cosmetics, food and other industries.
The main advantages of plastic-absorbing packaging products are that they can save raw and auxiliary materials, light weight, convenient transportation, meet the requirements of environmental protection and green packaging, can package any special-shaped products, packaging without additional cushioning materials, the packed products are transparent and visible, beautiful appearance, easy to sell, and suitable for mechanization, automatic packaging, convenient for modern management, saving Manpower and efficiency.
Mold Making and Processing: According to the requirements or sample specifications, the suction box first makes a good suction mold, under normal conditions, are made of gypsum suction packaging mold, but also useful wood carving and metal carving products as molds, gypsum molds made after the first natural drying or drying, and then according to the product When the surface is convex or concave, a lot of small holes are drilled in the concave places where the packing patterns of the products are not affected by the 1-2 millimeter drill. If the products are such as the packing boxes, some small holes must be drilled around the boxes so that the air can be pumped out during the suction production. After the holes are drilled, the plaster mold must be hardened and hardened. The method is to dry with concentrated alum saturated solution.
The plastic products are produced by the blister process, and the products are encapsulated with corresponding equipment. Plastic suction box packaging products mainly include: bubble shell, tray, plastic suction box, synonyms and: vacuum cover, bubble cover, etc. Blister packaging equipment mainly includes: blister forming machine, punching machine, sealing machine, high frequency machine, folding machine. Packaging products can be divided into: plug-in card, suction card, double bubble shell, semi-bubble shell, folded bubble shell, three folded bubble shell and so on.
After the mold is dried completely, the mold is loaded into the upper iron plate of the vacuum chamber, the plastic sheet is loaded into the suitable size according to the mold size, and then the sheet is put into the heating wood cabinet to make it completely fixed, and then the wooden cabinet and the plastic sheet are placed on the thermostatic furnace for softening treatment.
The softened plastic sheet and wooden cabinet are placed in the vacuum chamber, and the air in the vacuum chamber is sucked clean by the air suction switch. After the plastic sheet is cooled, the same concave packaging or process mold as the mold is obtained. Plastic absorption packaging finishing; the product produced by trimming is the finished product, and then after packaging can be sold.
