Device for lifting at least one material stack
First Claim
1. A device for lifting at least one material stack from a support, in particular a stack of blanks from an intermediate or bottom support usable in the tobacco industry, wherein:
- (a) a gripper is guided freely movably in all directions by an industrial robot;
(b) the gripper comprises(b1) three clamping elements displaceable in a vertical direction and each element adapted to be placed on adjacently disposed stacks,(b2) three elastically deformable fingers with each finger insertable between a stack and the intermediate or bottom support, and(b3) sensors for detecting the distance between the gripper and the stack; and
(c) an evaluating means processing the output signals of the sensors controls(c1) the movement of the gripper from a predetermined starting position into a lifting position,(c2) the clamping of a stack between a finger and a clamping element, and(c3) the lifting and carrying away of each stack.
2 Assignments
0 Petitions
Accused Products
Abstract
A device for lifting at least one material stack from a support, in particular a stack of blanks from an intermediate support or bottom support in the tobacco industry, comprises the following features: a gripper is guided freely movable in all directions by an industrial robot; the gripper comprises at least one clamping element which is displaceable in the vertical direction and adapted to be placed on the or each stack, at least one elastically deformable finger insertable between the stack and the intermediate or bottom support as well as sensors for detecting the distance between the gripper and the stack; a control circuit including at least one logic unit evaluates and processes the output signals of the sensors and controls the movement of the gripper from a predetermined starting position into the lifting position, the clamping of a stack between a finger and a clamping element, and the subsequent lifting and the carrying away of the or each stack.
115 Citations
11 Claims
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1. A device for lifting at least one material stack from a support, in particular a stack of blanks from an intermediate or bottom support usable in the tobacco industry, wherein:
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(a) a gripper is guided freely movably in all directions by an industrial robot; (b) the gripper comprises (b1) three clamping elements displaceable in a vertical direction and each element adapted to be placed on adjacently disposed stacks, (b2) three elastically deformable fingers with each finger insertable between a stack and the intermediate or bottom support, and (b3) sensors for detecting the distance between the gripper and the stack; and (c) an evaluating means processing the output signals of the sensors controls (c1) the movement of the gripper from a predetermined starting position into a lifting position, (c2) the clamping of a stack between a finger and a clamping element, and (c3) the lifting and carrying away of each stack. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device for lifting at least one material stack from a support, in particular a stack of blanks, from an intermediate or bottom support in the tobacco industry wherein:
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(a) a gripper is guided freely movably in all directions by an industrial robot; (b) the gripper comprises (b1) at least one clamping element displaceable in a vertical direction and adapted to be placed on the stack, (b2) at least one elastically deformable finger insertable between the stack and the intermediate or bottom support, (b3) sensors for detecting the distance between the gripper and the stack; and (b4) suction heads on one side of the gripper for engaging an intermediate support; and (c) an evaluating means processing the output signals of the sensors controls (c1) the movement of the gripper from a predetermined starting position into a lifting position, (c2) the clamping of the stack between the finger and the clamping element, (c3) the lifting and carrying away of the or each stack, and (c4) movement of the suction heads to contact and remove an intermediate support. - View Dependent Claims (11)
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Specification