Renovating process of high-pressure resin mold

Abstract

The invention discloses a renovating process of a high-pressure resin mold. The process comprises the steps that for a to-be-renovated high-pressure resin mold, an oxidation layer on the surface of the mold is removed by using oxalic acid, resin cleaning agents are sequentially adopted to clean greasy dirt and improve infiltration capability and water washing performance, a high-pressure mold cleaning agent is adopted to dissolve and disperse slurry residue sedimentation, residual oxidants are removed by adopting hydrochloric acid, residual oxalic acid and hydrochloric acid in the mold are bleached and neutralized by adopting sodium hypochlorite, for a special structure in the high-pressure resin mold, cleaning and renovating are conducted from the surface to the interior, so that the fully use of drug effect of each step is achieved to the optimal extent, the renovating degree of an old mold reaches 80%-90%, the ventilation amount is improved significantly, and online use can be continued to be conducted for 8000-10000 times.

Description

technical field [0001] The invention relates to mold regeneration technology, in particular to a renovation process for high-pressure resin molds. Background technique [0002] Due to its high production efficiency and low product cost, high-pressure molds are gradually being well-known and applied by ceramic enterprises, especially in the field of ceramic sanitary ware, and the high-pressure molding process is entering the stage of industrialization. The high pressure molding process refers to applying a certain pressure to the slurry filled into the mold during the grouting process to discharge water, so that the slurry is dehydrated and hardened quickly to form a green body. The mold used has criss-cross micropores as the Quick drainage channel for moisture in slurry. There are a number of water passages behind the surface of the high-pressure mold, and the water passages correspond to the water tanks below where the substrate is installed. During high-pressure grouting...

AI Technical Summary

Problems solved by technology

[0003] After the resin mold is used for a long time, the local micropores may be blocked, poorly drained or damaged due to the entry of slurry, and after being idle, it is easy to cause problems such as moldy black spots on the surface, which will affect normal use, and often can only be scrapped as a whole On the one hand, it causes a waste of resources, and on the other hand, it also increases the economic cost of ceramic production.

Images