Molded packaging box manufacturing and shaping treatment process

Abstract

The invention belongs to the field of packaging material manufacturing, and particularly relates to a molded packaging box manufacturing and shaping treatment process. The process comprises the following steps of, 1, preparing raw materials, specifically, cutting and crushing waste paperboards, adding water, mixing and cooking, and uniformly stirring to obtain paper pulp; 2, coating and forming, specifically, uniformly coating the surface of a mold with the paper pulp prepared in the step 1, and demolding to obtain a molded packaging box which is not completely dried; and 3, heating and drying, specifically, heating and drying the molded packaging box which is not completely dried and prepared in the step 2, wherein the step 3 is completed by adopting a molded packaging box manufacturing and shaping treatment device in a matching manner. In the drying process of the molded packaging box, it is guaranteed that the dehydration degrees of all parts of the molded packaging box are the same, moisture is prevented from being absorbed by the molded packaging box again, the molded packaging box does not need to be taken manually, and deformation of the molded packaging box is avoided.

Description

technical field [0001] The invention belongs to the field of packaging material manufacturing, and in particular relates to a manufacturing and shaping process of a molded packaging box. Background technique [0002] Pulp molding is a three-dimensional papermaking technology. It uses waste paper as raw material and molds paper products of a certain shape with special molds on a molding machine. Pulp molding has four major advantages: the raw material is waste paper, including cardboard, waste carton paper, waste white edge paper, etc., from a wide range of sources; its production process is completed by pulping, molding, drying and other processes, which is harmless to the environment; It can be recycled and reused; its volume is smaller than that of foamed plastics, it can be overlapped, and it is convenient for transportation. Due to the above advantages, pulp molding is widely used in the manufacture of packaging boxes. [0003] At present, there are the following probl...

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Problems solved by technology

[0005] The present invention provides a molded packaging box manufacturing and shaping treatment process, the purpose of which is to solve the following problems currently existing in the molded packaging box manufacturing and shaping treatment process: (1) During the drying process of the molded packaging box, the molded packaging box The heating of each part inside the box is uneven, resulting in a difference in the degree of dehydration, which leads to slight deformation of the molded packaging box; (2) During the drying process of the molded packaging box, the evaporated water cannot be removed in time, and it will be molded The reabsorption of the packaging box will also lead to differences in the degree of dehydration of each part of the molded packaging box; (3) After the molded packaging box is dried, the molded packaging box needs to be picked up manually, which is easy to cause molding Box deformation

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