IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0340183
(2008-12-19)
|
등록번호 |
US-8235436
(2012-08-07)
|
우선권정보 |
EP-07405365 (2007-12-20) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Mueller Martini Holding AG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
8 |
초록
▼
A bundle gripper for a palletizing machine for picking up respectively at least one bundle and depositing the bundle on a pallet. The bundle gripper including a frame, an adjustable end stop, and at least one gripper finger such that the gripper finger has a front end and is adjustable on the frame.
A bundle gripper for a palletizing machine for picking up respectively at least one bundle and depositing the bundle on a pallet. The bundle gripper including a frame, an adjustable end stop, and at least one gripper finger such that the gripper finger has a front end and is adjustable on the frame. The gripper finger being movable between a first position and a second position. The bundle gripper also including a hold-down clamp coupled to the frame and positioned against the end stop for clamping the bundle against the gripper finger such that a distance between the end stop and the front end of the gripper finger in the second position is changeable to adapt to different lengths of the bundles. The end stop and the gripper finger are each movable to change the distance and the hold-down clamp is correspondingly adjustable to accommodate different lengths of the bundles.
대표청구항
▼
1. A bundle gripper for a palletizing machine for picking up respectively at least one bundle and depositing the bundle on a pallet, the bundle gripper comprising: a frame; andat least two gripper units, wherein each gripper unit comprises: an adjustable end stop coupled to the frame,at least one gr
1. A bundle gripper for a palletizing machine for picking up respectively at least one bundle and depositing the bundle on a pallet, the bundle gripper comprising: a frame; andat least two gripper units, wherein each gripper unit comprises: an adjustable end stop coupled to the frame,at least one gripper finger coupled to the frame, wherein the gripper finger has a front end and is adjustable on the frame, the gripper finger being movable between a first position and a second position, wherein the gripper finger in the first position is located at least partially behind the end stop away from receipt of the bundle and in the second position is located in front of the end stop in a horizontal operating state to receive the at least one bundle, with the bundle fitting against the end stop, anda hold-down clamp coupled to the frame and positioned against the end stop for clamping the bundle against the gripper finger, andwherein a distance between the end stop and the front end of the gripper finger in the second position is changeable to adapt to different lengths of the bundles, the end stop and the gripper finger are each movable to change the distance, and the hold-down clamp is correspondingly adjustable to accommodate different lengths of the bundles. 2. The bundle gripper according to claim 1, wherein the end stop is movable in a horizontal direction in order to adapt to different bundle formats and different bundle lengths. 3. The bundle gripper according to claim 1, wherein the front end of the gripper finger is adjustable for adapting to different bundle formats and different bundle lengths. 4. The bundle gripper according to claim 3, wherein a length of the gripper finger is telescopically adjustable. 5. The bundle gripper according to claim 1, wherein a front end of the hold-down clamp is adjustable to adapt the bundle gripper to different bundle formats. 6. The bundle gripper according to claim 1, further comprising a motor coupled to the frame, wherein the motor adjusts the distance between the front end of the gripper finger and the end stop and/or adjusts a length of the hold-down clamp. 7. The bundle gripper according to claim 1, further comprising an articulated arm, wherein the gripper finger is coupled to the arm at a joint, wherein the arm moves the gripper finger between the first position and the second position. 8. The bundle gripper according to claim 7, wherein the arm and the gripper finger move together and wherein in the first position a back end of the gripper finger is elevated while the front end of the gripper finger remains in a horizontal plane of the second position so that the finger is positioned in the manner of a shovel. 9. The bundle gripper according to claim 1, wherein the at least two gripper units are adjustable on the frame so that a spacing between the at least two gripper units is adjustable. 10. The bundle gripper according to claim 1, further comprising a stop element, the stop element including a recess and the end stop, wherein the gripper finger is movable within the recess. 11. The bundle gripper according to claim 10, wherein the stop element further comprises two stop edges arranged at a distance to each other to form the recess, wherein the gripper finger is positioned between the two stop edges in the second position. 12. The bundle gripper according to claim 10, wherein the hold-down clamp is arranged above the gripper finger and is arranged within the recess of the stop element. 13. A method for palletizing bundles of products with the aid of a palletizing machine that comprises at least one bundle gripper having a frame and at least two gripper units, wherein each gripper unit includes an adjustable end stop coupled to the frame, at least one gripper finger coupled to the frame, and a hold-down clamp coupled to the frame and positioned against the end stop, wherein the bundle is fed from a feeding device to the bundle gripper, the method comprising: stopping movement of the bundle from the feeding with the at least one end stop, wherein the bundle rests against the end stop;gripping the bundle with the gripper finger and the hold-down clamp, wherein the gripper finger has a front end and is adjustable on the frame, wherein the gripping comprises moving the gripper finger from a first position to a second position, wherein the gripper finger in the first position is located at least partially behind the end stop away from receipt of the bundle and in the second position is located at least partially in front of the end stop in a horizontal operating state to receive the bundle;adjusting a distance between the end stop and the front end of the gripper finger toward the second position to adapt to different lengths of the bundles by adjusting the end stop and/or the gripper finger; andadjusting the hold-down clamp correspondingly to accommodate different dimensions of bundles. 14. The method according to claim 13, wherein the adjusting step includes adjusting the distance between the end stop and the front end of the gripper finger with aid of a motor. 15. The method according to claim 13, wherein the bundle gripper further includes a stop element, the stop element including a recess and the end stop, and the method further comprises moving the stop element and/or adjusting the front end of the gripper finger to change the distance. 16. The method according to claim 15, further comprising depositing the bundle on a pallet, wherein the moving the stop element and/or the adjusting the front end of the gripper finger and/or adjusting the hold-down clamp occur after the depositing and/or prior to gripping a different bundle. 17. The method according to claim 13, further comprising altering the distance such that a predetermined overhang of the gripped bundle projects over the front end of the gripper finger. 18. The method according to claim 13, wherein the gripping further comprises: positioning the gripper finger under the bundle; andclamping the bundle with the hold-down clamp. 19. The method according to claim 13, further comprising depositing the bundle on a pallet; and adapting an upper starting position of the hold-down clamp to a height of a following bundle after the depositing and/or prior to the gripping. 20. The method according to claim 19, wherein the gripping includes gripping the bundle only between the gripper finger and the hold-down clamp. 21. The method according to claim 13, wherein the gripping further comprises raising a back end of the gripper finger in the first position at an angle while keeping the front end in a lower horizontal plane in a manner of a shovel and maintaining an essentially horizontal orientation of the back end and front end in the lower horizontal plane in the second position.
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