| 主权项 |
1. Roller hemming head, comprising:
an upper head portion, having a flange for connection to a wrist of a robot or other supporting movable equipment and a lower head portion, carrying one or more hemming rollers, characterized in that said head further includes:
a roller-carrying unit carrying the hemming rollers and adapted to be separated as a whole from the lower portion of the hemming head;a quick-connection device which rigidly and removably connects said roller-carrying unit to said head lower portion; andsaid quick-connection device comprising:
spring means tending to hold said quick-connection device in a connection operative condition;an actuating member movable against the action of said spring means for releasing the connection, and adapted to be operated by an engagement member, said engagement member being provided at a fixed station adjacent to said robot, or said other movable equipment for supporting the head, and being adapted to be received within a cooperating seat of the head; andin such a way that said quick-connection device does not require the provision of cables or supply hoses on said robot or said supporting movable equipment. |
