Molding mold of injection molding hollow tube and using method
A technology for forming molds and hollow tubes is applied in the field of forming molds for injection molding hollow tubes, and achieves the effects of simple mold structure, guaranteed quality standards, and easy implementation.
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[0025] Such as figure 1 , 2 , 3, a molding die for injection molding hollow tubes, including an upper clamping die 1 and a lower clamping die 2, the upper clamping die 1 is provided with an upper molding groove 3, and the lower clamping die 2 is provided with There is a lower forming groove 4, and a blowing structure and a bending limit structure are also provided in the upper clamping die 1 and the lower clamping die 2, and the feature is that: the upper edge of the lower forming groove 4 of the lower clamping die 2 is also provided with a There is an active bending-limiting structure.
[0026] The movable bending limiting structure includes a movable block 5 matching the shape of the cutout provided at the bend of the lower forming groove 4, the bottom of the movable block 5 is provided with a first inner connecting plate 6, and at the bottom of the first inner connecting plate 6 A back-moving spring 7 is provided, and a second inner connection plate 8 is arranged on the b...
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