In addition to the strength and durability of paper support, paper support products can be made into various messy shapes according to customer requirements. When used as disposable quick tableware, the shape is relatively simple, and the strength requirements are not high. When used as industrial inner packaging, its shape is very messy, it is necessary to meet the three major requirements of industrial inner packaging: one is positioning requirements. It is necessary for paper support products to ensure that the packaged items have a fixed orientation in the packaging box, and the shape synchronization between the paper support products and the packaged items is required, and the touch is appropriate. The second is buffer requirements. The overall paper tray must have a certain degree of resistance and flexibility, and the surface should also be somewhat soft. When it touches and collides with the packaged item, the surface gloss of the packaged item cannot be damaged. The packaged item is impacted by bumps and vibrations during transfer. The third is bearing. The product is required to have a certain strength and rigidity to support the packaged object and withstand external pressure. In order to meet the above functional requirements of the product, in addition to selecting the appropriate raw materials, additives and production processes, the more important thing is the structural planning.
(1) Functional structure:
The characteristics of the forming process of paper support products determine that the same paper support can only have one thickness. In order to meet the functional requirements, the cavity and vertical ribs can be used when adjusting the strength and cushioning. The cavity can increase the overall elasticity and flexibility of the product. Ribs can increase the strength and rigidity of the product. In a relatively large plane, when the bearing capacity is high, it can be designed into a corrugated or honeycomb shape.
(2) Technological structure:
Since the paper tray molding product is a wet paper blank in the early stage of forming, in the production process, the water will be gradually separated, and the shape, orientation and scale of the product will be greatly changed. The total shortening of the paper support is different, and the paper support will warp or change deformation at this time.
