Rigid and plastic composite multiple-cylinder buckle type bulging forming equipment for large-caliber three-way pipe
A technology of three-way pipe and large diameter, which is applied in the field of large-diameter three-way pipe rigid plastic composite multi-cylinder lock-type bulge forming equipment, which can solve the problem of low service life of the punch, too small size of the tube blank, and mold structure. Complicated problems, to achieve the effect of meeting the requirements of bulge forming
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[0037] 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.
[0038] Such as Figure 4 As shown, it is a structural schematic diagram of an embodiment of the large-diameter tee pipe rigid-plastic composite multi-cylinder lock-type bulging forming equipment embodiment of the present invention. The large-diameter tee pipe rigid-plastic composite multi-cylinder lock type bulging forming equipment of this embodiment includes an upper half-mold 1 and a lower half-mold 2, and a round tubular mold is arranged between the upper half-mold 1 and the lower half-mold 2. The forming cavity 3, the two ends of the forming cavity 3 are respectively installed with the bulging extrusion punch 4 slidingly fitted with it, the lower half mold 1 is provided with ...
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