Die stamping forming method for printing rubber roller

Abstract

The invention relates to a die stamping forming method for a printing rubber roller. A bottom plate, a die frame and a forming device are involved in the method, the die frame is installed in the middle of the upper end of the bottom plate, the forming device is arranged above the die frame, and the lower end of the forming device is installed on the bottom plate. The method can solve the problems that when existing equipment conducts die stamping machining on the rubber roller, a mold cavity is usually directly filled with raw materials, but the raw materials are prone to generate bubbles when being poured from top to bottom, the surface quality of the rubber roller is reduced, and consequently, the subsequent using effect of the rubber roller is affected; and meanwhile, solves the problems that the existing equipment conducts die stamping machining on the rubber roller, rubber liquid cannot be effectively and evenly smeared on the surface of a roller core, a release agent cannot be smeared on the inner wall of the mold cavity, separation of the formed rubber roller is not facilitated, and consequently, the follow-up taking-out effect of the rubber roller is affected.

Description

technical field [0001] The invention relates to the field of printing rubber roller processing, in particular to a printing rubber roller die forming method. Background technique [0002] Printing rubber rollers are divided into hard rollers and soft rollers, which are used in printing machinery as rubber rollers for embossing, ink adjustment, and ink transfer. The rubber roller has moderate hardness and elasticity, high oil resistance, washing solvent resistance, abrasion resistance and shape stability. Soft rolls are generally made of SBR, CR and PU, etc. The surface of hard rolls was originally made of copper and then replaced with polyester resin. In the offset printing process, the key is the control of the balance of the water path and the ink path, and the balance of the ink and ink depends on the key components of the rubber roller and the ink roller, and their quality can directly affect the product quality. [0003] At present, the existing printing rubber roller...

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Problems solved by technology

[0005] The invention can solve the problem that the existing equipment usually directly fills the mold cavity with raw materials when the rubber roller is punched and processed. However, when the raw material is poured from top to bottom, it is easy to generate air bubbles, which reduces the surface quality of the rubber roller and affects the follow-up of the rubber roller. The use effect, at the same time, when the existing equipment is punching the rubber roller, it cannot effectively apply the glue on the surface of the roller core, and it cannot apply the release agent to the inner wall of the mold cavity, which is not conducive to the separation of the rubber roller after forming. , affect the follow-up removal effect of the rubber roller and other problems

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