Forming die with shape-variable male die applying radial thrust by solid particle medium
A solid particle, radial thrust technology, applied in the field of stamping dies, can solve the problems of inability to change the shape of the punch, no radial thrust, etc., and achieve the effects of variable shape, uniform force and extended service life.
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[0011] see figure 1 , shown as a variable-shape punch forming die with solid particle medium plus radial thrust, including shaped solid particles 10, die 4, blank holder 6, sealing plate 1, top plate 2, and radial solid particles 3 , Blank 5, lower die base 7, ejector pin 8, briquetting block 9, nitrogen cylinder 11, radial closed space 12, forming closed space 13. The die 4 is installed on the inner slider, the die 4 is movable, the blank holder 6 is arranged under the die 4, the blank 5 is formed in the cavity of the die 4; the lower end of the pressing block 9 is in contact with the lower mold base 7, Be installed on the lower mold base 7. The nitrogen cylinder 11 is also installed on the lower mold base 7, the working end of the nitrogen cylinder 11 passes through the blank holder 6, and withstands the lower surface of the top plate 2 located in the counterbore of the blank holder 6 or is connected with the top plate 2, the nitrogen cylinder 11 Push the top plate 2 to mo...
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