Toyota Boshoku Kabushiki Kaisha

Taira Ito

Kazuyuki Hirata

A workpiece manufacturing apparatus includes a punch, which is provided in a lower die assembly and punches out a workpiece from an unprocessed material, and an ejector, which is provided in an upper die assembly so as to be capable of approaching and moving away from the lower die assembly. The manufacturing apparatus further includes a spring, which is provided in the upper die assembly and urges the ejector toward the lower die assembly, and a locking device, which locks the ejector with respect to the upper die assembly at a position at which the punch punches out the workpiece and releases the ejector when the die assemblies are opened. The locking device includes an actuator, which is provided in the upper die assembly and slides a slider between a locking position, at which the ejector is locked, and a releasing position, at which the ejector is released.

Workpiece manufacturing apparatus

A forming die apparatus includes a first die on which a die surface is formed and a second die for pressing a workpiece placed on the first die. At least one of the first die and the second die is configured by assembling a plurality of die members. Each die member has a concave side surface facing another die member.

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Toyota, Japan

Taira Ito