Forming device for Teflon container lining layer

Abstract

A forming device for a Teflon container lining layer comprises a die barrel with the end portion fixedly connected with a die flange. Pits in which magnetic steel is magnetically adsorbed are distributed in the outer surface of the die barrel. Fixing anchors are magnetically adsorbed to the parts, facing the magnetic steel, of the inner surface of the die barrel. The die flange is fixedly connected with powder stop rings. A radial expansion device opposite to the die barrel is coaxially placed between the two powder stop rings and is composed of a downward pressing circular platform and cone petals, an integral cylinder wall face is formed by the outer surfaces of at least two cone petals, and an integral cone wall face is formed by the inner surfaces of at least two cone petals. The coneface of the downward pressing circular platform is attached to the cone wall face. A rubber sleeve is arranged on the radial expansion device in a sleeving manner. By utilization of the device, the Teflon container lining layer can be efficiently produced. In the forming operation process, fixing anchor positioning and fixing are efficient and convenient. Production can be conducted through commonequipment such as a press machine.

Description

technical field [0001] The invention relates to a molding device for a container lining layer, in particular to a molding device for a polytetrafluoroethylene container lining layer, and belongs to the technical field of polytetrafluoroethylene molding processing. Background technique [0002] Chemical containers are commonly used equipment in chemical production. In some cases, the medium in the container has a strong corrosive effect. In order to prevent the container from being corroded by the medium, the container is required to be made of expensive corrosion-resistant materials. When the container is under pressure at the same time, the container is required to have sufficient wall thickness, which increases the manufacturing cost of the container. This problem can be well solved by using ordinary carbon steel as the pressure-bearing outer shell lined with engineering plastic anti-corrosion lining container. Among many engineering plastics suitable for container linin...

AI Technical Summary

Problems solved by technology

Although this method suppresses the detachment of the lining layer and the container shell to a certain extent at low vacuum, it cannot solve the problem of the lining layer falling off when there is a high vacuum in the container, because the lining layer still cannot be firmly attached. bonded to the inner wall of the container

In order to solve this problem, the applicant also applied for a Chinese invention called "A Polytetrafluoroethylene Lining for Chemical Containers", but there is no effective production device for making this lining layer

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