Device for automatically joining unwelded chain-type structures

Details Device for automatically joining unwelded chain-type structures Device for automatically joining unwelded chain-type structures

B - Operations, Transporting

21

L

B21L 99/00 (2009.01) B60C 27/06 (2006.01) B60C 27/08 (2006.01) F16G 15/00 (2006.01) B21L 17/00 (2006.01)

Patent

CA 2133320

ABSTRACT What is disclosed here is a device for automatically joining un- welded chain-type structures presenting a one- to three-demensional extension of the chain elements and joining elements, which comprise each at least one opening as well as locking means and baffle ele- ment to prevent unintentional opening and being so configured that at least two joining elements are linked into a chain element by a joining movement carried out in at least two directions, which device comprises the following features: - two grippers (4, 10) are provided, whereof the first gripper (4) is configured so as to hold at least one joining element in a way that its opening is freely accessible, and whereof the second gripper (10) is configured so as to hold the chain element in a way that it is disposed approximately in the level of insertion of the joining element, - for achieving the joining movement the first gripper (4) is pivo- table through an angle ? .alpha. about an axis located in the plane of insertion of the chain element and forming an angle of 90° rela- tive to the plane of the open chain element, while the second gripper (10) is adapted to be advanced in a direction towards said first gripper (4), - a rotating means (15) allows for rotation of the chain element in said second gripper (10) through at least 180° about an axis lo- cated in the plane of the chain element and forming an angle of approximately 90° relative to the advancing direction.

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