Variable pitch indexing pallet for heat exchanger assembly

Details Variable pitch indexing pallet for heat exchanger assembly Variable pitch indexing pallet for heat exchanger assembly

1989-10-26

1991-07-09

Gorski, Joseph M.

Metal working

Means to assemble or disassemble

Heat exchanger

29705, 29784, 29799, B23P 1526

Patent

active

050293826

ABSTRACT:
An apparatus for assembling heat exchanger elements includes a pallet comprising a frame and a plurality of blocks slidably aligned on each side of the frame with opposed pairs of blocks slotted to receive pairs of plates dropped into the pallet. Lead screws driven by servomotors and engaging the blocks position the blocks at the loading station and control the block spacing (determined at each station by the screw pitch) to allow plate insertion or to allow insertion of fin elements between the plates. To quickly move the pallet into the station auxiliary lead screws connected to the main screws engage the blocks of the pallet outside the loading station to assert positive controlled advancement force on the pallet.

REFERENCES:
patent: 1802929 (1931-04-01), Seelert
patent: 3813752 (1974-06-01), Bemrose et al.
patent: 4321739 (1982-03-01), Martin et al.
patent: 4486933 (1984-12-01), Iwase et al.

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