Through guide for rounded blanks on a seam welding machine

Details Through guide for rounded blanks on a seam welding machine Through guide for rounded blanks on a seam welding machine

1985-12-18

1987-06-23

Goldberg, E. A.

Electric heating

Metal heating

Of cylinders

219 613, 219121LC, B23K 1132

Patent

active

046754890

ABSTRACT:
On a machine for welding together the longitudinal edges (12, 14) of rounded sheet-metal container body blanks there are disposed a plurality of rings (24) of rollers round a common longitudinal axis (22), one behind the other in the direction of passage through (A) of the blanks (10). At least some (28) of the rollers (26, 28) of the rings (24) of rollers are each mounted on a roller carrier (40) which is adjustable in the direction away from the longitudinal axis (22) against resilient resistance. The roller carriers (40) are guided in a manner which enables the associated rollers (28) to execute yielding movements at an angle of distinctly less than 90.degree. to the direction of passage through (A) of the blanks (10). For this purpose, the roller carriers (40) are each pivotable about a transverse pin (42) which is disposed at least substantially parallel to the associated roller spindle (38), upstream of this with respect to the direction of passage through (A) of the blanks (10). This guiding of the roller carriers (40) makes an important contribution to avoiding damage to the leading edges (16) of the blanks (10) and to reducing the noise occurring when these leading edges (16) impinge on the rollers (28).

REFERENCES:
patent: 4352001 (1982-09-01), Ishibashi et al.
patent: 4525617 (1985-06-01), Saito
patent: 4568812 (1986-02-01), Panknin et al.
patent: 4577088 (1986-03-01), Sharp

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