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Title:
STACKING METHOD OF FIN FOR HEAT EXCHANGER
Document Type and Number:
Japanese Patent JPS59150633
Kind Code:
A
Abstract:

PURPOSE: To stack fins for a heat exchanger in the stage of inserting said fins onto stacking bars and stacking the fins by making use of a vacuum suction plate in pushing exactly and forcibly the fins having a specific shape formed with inserting holes onto the stacking bars.

CONSTITUTION: An Al plate 1 as a material for the fins of a heat exchanger is introduced into a press 15, and many inserting holes 2 to stacking pipes 10 are formed. The plate is fed to a transverse cutting unit 8 provided with transverse cutting blades 3, 4 by a fin feed unit 19, and is transversely cut continuously and successively to broad fins having a standard size. The fins formed with continuous transverse cutting lines 5 and transverse cutting lines 6 for leaving ends are fed by a standard size by the unit 19. The fins 9 emerging from the cutting blade 8 are sucked by the propeller fan 16b in a vacuum unit 16 and are attracted to a suction plate 17, by which the fins are forcibly pushed onto stacking pipes 10 having the diameter slightly smaller than the diameter of the holes on the pipes 10, by which the fins are formed to the fin shape for the heat exchanger.


Inventors:
MIYAGI MASAHIRO
UEHARA KATSUJI
DEGUCHI TAKAHIKO
NOZAWA YOSHIO
Application Number:
JP1983000022777
Publication Date:
August 28, 1984
Filing Date:
February 16, 1983
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
B21D53/08; B26D9/00; (IPC1-7): B21D53/08
Domestic Patent References:
JPS57152331A1982-09-20
JPS58135738A1983-08-12
JPS58110142A1983-06-30