Hot pressing process

Abstract

The invention discloses a hot pressing process which is characterized by comprising the following steps: arranging an upper heating plate and a lower heating plate at a hot pressing station; upper and lower water cooling plates are arranged at the shaping station; the first cylinder and the second cylinder respectively drive the lower heating plate and the lower water cooling plate to move up and down; the two groups of rails are distributed up and down, and the upper group of rails and the lower group of rails form a feeding and taking station outside the shell; the upper and lower bearing frames are respectively mounted on the upper and lower groups of rails; the upper working disc and the lower working disc are respectively arranged in the upper bearing frame and the lower bearing frame; the upper driving mechanism and the lower driving mechanism respectively drive the upper bearing frame and the lower bearing frame, so that the upper working disc and the lower working disc respectively move back and forth along the upper group of rails and the lower group of rails and are positioned at each station for relevant operation; the base plates of the upper and lower working plates are made of a temperature-resistant breathable material; a negative pressure mechanism is arranged below the feeding and taking station, an air suction disc of the negative pressure mechanism moves up and down and is matched with the upper chassis and the lower chassis in turn, and negative pressure is formed in the upper working disc and the lower working disc respectively. The process is suitable for bonding the fabric with the edge easy to crimp.

Description

technical field [0001] The invention belongs to the seamless and traceless pressing of materials, and relates to a method for thermally pressing and pasting materials, more specifically, a material hot pressing process using a hot template for pressing and a cold template for shaping. Background technique [0002] At present, the combination of clothes and fabrics is mainly completed by machine thermocompression bonding, which greatly shortens the production process. After the product is pressed at high temperature, it needs to be taken out and placed in a ventilated place for a period of time to achieve cooling and setting. However, due to the elastic shrinkage of the fabrics of clothing, especially intimate underwear, and the shrinkage rate of the fabrics is also inconsistent, it is difficult for the product size to reach the uniform size required by the design. Cooling will cause a decrease in its cohesive force. In order to further improve efficiency and quality, people ...

AI Technical Summary

Problems solved by technology

[0008] However, the setting of the negative pressure mechanism increases the space under the work plate. At the same time, the negative pressure will generate air flow, both of which will affect the increase of the temperature of the material, resulting in uneven heating of the upper and lower parts of the material. quality suffers again

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