A transfer unit for transferring objects from a starting position to a final position, preferably between two presses in a plate pressing line, comprises two carriages (4, 5) which are displaceable along supporting rails (2, 3) and are provided with rotatable gripping devices (9-12) to grip and hold
A transfer unit for transferring objects from a starting position to a final position, preferably between two presses in a plate pressing line, comprises two carriages (4, 5) which are displaceable along supporting rails (2, 3) and are provided with rotatable gripping devices (9-12) to grip and hold the object during the transfer which can be effected with or without turning over at the same time. The turn-over device makes it possible to turn the object during transfer and comprises a turning arm (24), one end of which is mounted in the carriage (4, 5), and the other end of which supports a follower (25) for cooperation with a guide rail (26, 27) with an essentially V-shaped portion (32-34), along which the turning arm (24) is guided as it is pivoted. The essentially V-shaped portion (32-34) consists of two arcuate guide rail sections (32, 33), which each extend from an individual straight portion (28, 29) of the guide rail, the free ends of the arcuate sections being equidistant from a point ( 35) where the tangents from the free ends intersect, and a switch piece (34) which can be pivoted between two end positions, in which it forms a continuation of one or the other of the two arcuate guide rail sections (32 or 33). The switch piece (34) can be locked in each of the end positions by a blocking mechanism (42) which can be released as the follower (25) is inserted into the switch piece (34).
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Transfer unit for transferring an object from a starting position to an end position, comprising two carriages which are each displaceable along an individual supporting rail in a frame, each of said carriage being provided with a rotatable gripping means arranged to grip and hold the object during
Transfer unit for transferring an object from a starting position to an end position, comprising two carriages which are each displaceable along an individual supporting rail in a frame, each of said carriage being provided with a rotatable gripping means arranged to grip and hold the object during transfer, and a turn-over device constructed and arranged for turning the object over during the transfer, by rotation about an axis joining the gripping means on the two carriages, said turn-over device comprising a turning arm, one end of which is fixedly mounted on a shaft, disposed in the carriage and joined to the gripping means, the other end of said turning arm supporting a follower which cooperates with a guide rail as the carriage moves along the supporting rail, said guide rail having an essentially V-shaped portion, along which the turning arm is guided during rotation, said essentially V-shaped portion of the guide rail having two arcuate guide rail sections, each arcuate guide rail section extending from an individual straight portion of the guide rail, with free ends of said arcuate guide rail sections terminating equidistant from a point where tangents extending from the free ends intersect, and a switch piece adapted to be pivoted between a first end position and a second end position, in which it forms a continuation of one or the other of the two arcuate guide rail sections, said switch piece being lockable in each of its end positions by blocking means which can be released as the follower is inserted into the switch piece.
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May, Lindy Lawrence, 180 degree inverting mechanism.
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