Rigid and plastic compound bulging forming die for large-caliber T-branch pipe
A tee pipe and large-diameter technology, applied in the field of large-diameter tee pipe rigid-plastic compound bulge forming molds, can solve the problems of low service life of the punch, too small size of the tube blank that cannot be used, and complex mold structure, etc., to achieve The effect of meeting the requirements of bulging forming
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[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.
[0036] Such as Figure 4 As shown, it is a structural schematic diagram of the compound bulging device adopting the rigid plastic compound bulging forming mold of the large-diameter tee pipe of the present invention. The composite bulging device includes a rigid plastic composite bulging molding die for a large-diameter tee pipe and a thrust device. The large-diameter tee pipe rigid-plastic composite bulging molding die of this embodiment includes an upper half-mold 1 and a lower half-mold 2, and a circular tubular forming cavity 3 is arranged between the upper half-mold 1 and the lower half-mold 2, forming The two ends of the cavity 3 are respectively equipped with bulging extru...
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