Variable die and pressing apparatus
AssigneePosco
InventorsJae-Wook LEE, Tae-Hyo KIM
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Abstract
The present invention provides a variable die comprising an upper part and a lower part. The upper part comprises an upper cam. The lower part comprises: a lower body; a mounting portion connected to the lower body and having an object to be formed mounted thereon; and a forming portion connected to the lower body, disposed on one side of the mounting portion, and comprising a lower cam corresponding to the upper cam to linearly move in a first direction toward the mounting portion by means of the upper cam and the lower cam. The forming portion comprises: a lower cam; a base plate having the lower cam connected thereto, and formed to be movable in the first direction; actuators having one part fixed to the base plate; and a cam block connected to the actuators.
Claims14
A variable die comprising:
- an upper die portion and a lower die portion,
- wherein the upper die portion includes an upper cam,
- the lower die portion includes
- a lower body;
- a seating portion connected to the lower body and on which a to-be-molded object is seated;
- and a molding portion connected to the lower body, disposed on one side of the seating portion, including a lower cam corresponding to the upper cam, and moving linearly in a first direction toward the seating portion by the upper cam and the lower cam,
- wherein the molding portion includes:
- the lower cam;
- a base plate connected to the lower cam and configured to be movable in the first direction;
- an actuator partially fixed to the base plate;
- and
- a cam block connected to the actuator,
- wherein a plurality of actuators spaced apart in a second direction, different from the first direction, are connected to the cam block, and
- the actuator includes a structure extendable in the first direction.
Dependencies are inferred from the claim text.