Exchanging apparatus for welding jig units of an automatic weldi

Details Exchanging apparatus for welding jig units of an automatic weldi Exchanging apparatus for welding jig units of an automatic weldi

1981-05-29

1983-08-23

Reynolds, B. A.

Electric heating

Metal heating

For bonding with pressure

29568, 219 79, B23K 928

Patent

active

044006071

ABSTRACT:
An exchanging apparatus for exchanging welding jig units of an automatic welding apparatus on an assembly line. The automatic welding apparatus includes a combining station where a work to be assembled is combined and welded by detachable welding jig units, and a set carrier for moving the work along a conveying railway to and from the combining station. The exchanging apparatus comprises an exchanging railway which crosses the conveying railway through a switch mechanism and at least two exchanging carriers, each having thereon a gripping means for gripping a welding jig unit. Each of the above carriers is mounted on a plurality of wheels, each of which is turnable about a fixed vertical shaft on the respective carrier. The switch mechanism comprises turnable rail portions at the crossing points of the two railways, a rail fixing device for fixing the portions at their switched positions, and a carrier fixing device for positioning and fixing any one of the carriers while the rail portions are turned thereunder.

REFERENCES:
patent: 841437 (1907-01-01), Pfautz
patent: 3012517 (1961-12-01), Gale
patent: 3402674 (1968-09-01), Tomita
patent: 3707921 (1973-01-01), Fort
patent: 3845718 (1974-11-01), Rogers et al.
patent: 4162387 (1979-07-01), De Candia
patent: 4263797 (1981-04-01), Cooper

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