Quick tool change for punch
AssigneeTamarack Habilitation Technologies, Inc.
InventorRobert C. Knutson
Life of this patent
Estimating the term…
Abstract
A punch assembly includes a frame that has a pair of arms forming a deep throat for receiving material to be punched, and a single acting punch and die set held by the outer ends of the arms. The punch is actuated with a lever mounting a swing frame that is supported so that when the punch is to be changed, the swing frame can be moved out the way and the punch removed. The die can also be removed when the swing frame is moved away from its working position. The punch can be actuated through the lever either with a manual handle, or with a power actuator.
Claims17
A punch assembly comprising:
- a frame having a pair of spaced apart arms in registry with one another;
- a support for a die on a first of said arms, and a punch actuator assembly on the second of said arms, said punch actuator assembly including a swing bracket pivotally mounted to the second of said arms at a first pivot;
- a punch slidably mounted on the second arm for movement toward and away from the die;
- an actuator for engaging the punch and moving the punch in a direction toward the die for punching a material supported on the die;
- and
- a latch for holding the swing bracket in a working position, and releasable to permit said swing bracket to move about the first pivot to a position wherein the actuator moves laterally of the punch and permits the punch to be removed from the arm in a direction away from the die.
A punch assembly having a punch frame, said frame having a pair of generally coextensive arms joined together at first ends and spaced apart at second ends, the distance between the first ends and the second ends being substantially 6 to 10 times the spacing between the arms at the first ends, a die mounted on one of said arms, and a punch slidably mounted on the other of said arms for cooperating with the die for punching material held between the arms.
A punch and die apparatus comprising:
- a frame having a pair of spaced apart arms in registry with one another;
- a support for a die on a first of said arms, and a punch assembly on the second of said arms, said punch assembly including a swing bracket pivotally mounted to the second of said arms at a first pivot;
- a punch slidably mounted on the second arm for movement toward and away from the die and being spring loaded in a direction away from the die;
- and
- an actuator for engaging the punch and moving the punch in a direction toward the die for punching a material supported on the die, the swing bracket being movable between a working position and a punch and die changing position, said swing bracket being movable about the first pivot to a second position wherein the actuator moves with the swing bracket laterally of the punch and permits the punch and die to be removed from the arms of the frame.
Dependencies are inferred from the claim text.