Rigid-plastic compound multi-cylinder locking bulging forming apparatus for large-caliber hydraulic controlled type three-way pipes
A technology of three-way pipe and large diameter, which is applied in the field of large-diameter hydraulically controlled 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 and too small size of the pipe blank. , complex mold structure and other issues, to achieve the effect of meeting the requirements of bulging forming
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[0039] 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.
[0040] Such as Figure 4 As shown, it is a structural schematic diagram of an embodiment of a large-diameter hydraulically controlled tee pipe rigid-plastic composite multi-cylinder lock-type bulging forming equipment embodiment of the present invention. The large-diameter liquid-controlled three-way 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 the upper half-mold 1 and the lower half-mold 2 are provided with A circular tube-shaped forming cavity 3, the two ends of the forming cavity 3 are respectively equipped with bulging extrusion punches 4 that slide with it, and th...
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