90-degree large bending rotating core pulling pipe fitting mold with inverted part
A core tube and mold technology, which is applied in the field of 90° large-bend rotary core-pulling pipe fitting molds, can solve the problems of mold shutdown and disassembly, increase equipment investment costs, and affect production efficiency.
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[0011] The invention relates to a 90° large-bend rotary core-pulling pipe fitting mold with an undercut, such as figure 1 — Figure 4 As shown, it includes an upper template 1 and a lower template 2, a fixed template 3 is installed under the upper template, a mold foot 4 is installed on the lower template, a movable mold base plate 5 is installed on the mold foot, a movable mold plate 6 is installed on the movable mold base plate, and the movable mold plate and the fixed mold plate are installed. A mold cavity is set between the templates, and there is an injection-molded 90° elbow pipe fitting 7 in the mold cavity, an undercut 10 is formed on the inner wall of the interface of the 90° elbow pipe fitting, and a 90° large bending core is formed on the inner wall of the 90° elbow pipe fitting 8. There is a joint core 9 in the inner wall of the interface of the 90° elbow pipe fitting. The joint core 9 is driven by the direct pumping mechanism 01 to pull the core. The joint core 9...
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