Title:
STRETCH MOLDING DEVICE AND STRETCH MOLDING METHOD
Document Type and Number:
Japanese Patent JP2023095416
Kind Code:
A
Abstract:
To provide a stretch molding device and a stretch molding method that can precisely mold a workpiece into a curved-surface shape.SOLUTION: A stretch molding device 1 comprises: a first frame 21 and a second frame 22 which hold a part of a workpiece W therebetween; a holding mechanism 2 including a moving mechanism 6 which moves at least one of the first frame 21 and the second frame 22 in a holding direction and a restraining force varying mechanism 8 which enables the change of a restraining force F of the workpiece W by the first frame 21 and the second frame 22; a drawing mechanism 4 which draws the other part of the workpiece W with the workpiece W held by the holding mechanism 2; and a molding part 3 which molds the workpiece W between the holding mechanism 2 and the drawing mechanism 4.SELECTED DRAWING: Figure 4
Inventors:
TOYOSHIMA NORIO
Application Number:
JP2021211293A
Publication Date:
July 06, 2023
Filing Date:
December 24, 2021
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES
International Classes:
B21D25/02; B30B15/28
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune
Previous Patent: JPWO2023095415
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