Pick and place mechanism

Material or article handling – Apparatus for charging a load holding or supporting element... – Transporting means is a horizontally rotated arm

Patent

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Details

414744A, 414753, 294 95, 294116, B23Q 704

Patent

active

044115768

ABSTRACT:
A pick and place mechanism is provided for selecting a part from a pick-up location, transporting the same to a place location, and placing it in a precise position at the place location. A part is engaged by a pair of gripping fingers which depend from a casing mounted for movement between the pick and place locations. The fingers are connected to a cam mounted for reciprocation in the casing to alternately extend and retract the fingers. The fingers cooperate with an actuating mechanism carried by the casing to engage and disengage the part in response to movement of the cam. The cam is normally biased upwardly and is actuated by a follower which is guided in a slot in the casing, and an air cylinder drives the follower and hence the casing between the pick and place locations. Stops are provided at the pick and place locations for engaging the casing to arrest its motion and thereby causing the follower to move relative to the cam for extending and retracting the fingers and causing the same to be actuated. In one embodiment, the casing is mounted on an arm which pivots about an upright axis, and the follower is mounted on a similarly pivoted arm. In the other embodiment, the casing is mounted for sliding movement on guide rods extending between the pick and place locations.

REFERENCES:
patent: 3175705 (1965-03-01), Houda, Jr.
patent: 3601264 (1971-08-01), Ritter, Jr.
patent: 3812981 (1974-05-01), Potter
patent: 3857496 (1974-12-01), Gonzales
patent: 4027767 (1977-06-01), Gluck
patent: 4113115 (1978-09-01), Yoshio
patent: 4139104 (1979-02-01), Mink
patent: 4227851 (1980-10-01), Beezer
patent: 4234223 (1980-11-01), O'Neil
patent: 4299532 (1981-11-01), Bouwmeester
patent: 4343584 (1982-08-01), Hudgins

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