US 2018/0169731 A1Published application

Machine for forming sheets by longitudinal stretching

AssigneeAcb

InventorsBenoit BOURRIAU, Julien CLERGEAU

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Abstract

Disclosed is a machine for forming sheets by longitudinal stretching, the machine includes: two stretch heads located on either side of a forming tool for the sheet, the stretch heads each including a line of grippers integral with a support structure which is associated with way of stretching and which is mounted on a chassis by the intermediary of a tipping axis; at least one tipping cylinder being inserted between the chassis and the support structure, in order to allow for the maneuvering in rotation of the support structure about the tipping axis; and the chassis being carried by a support frame. The stretching machine includes a unit, inserted between the support frame and the chassis, arranged to allow for an adjusting of the vertical positioning of the tipping axis.

Claims17

Dependent claims

Machine for forming sheets by longitudinal stretching,

said machine (1) comprises two stretch heads (2) located on either side of a forming tool (4) for the sheet,
said stretch heads (2) each comprising a line of grippers (5) integral with a support structure (8) which is associated with means of stretching (9) and which is mounted on a chassis (10, 10′) by the intermediary of a tipping axis (11),
at least one tipping cylinder (12) being inserted between said chassis (10, 10′) and said support structure (8), in order to allow for the maneuvering in rotation of said support structure (8) about said tipping axis (11),
and said chassis (10, 10′) being carried by a support frame (3),
wherein the machine comprises means (13, 14;
15, 14′), inserted between said support frame (3) and said chassis (10, 10′), arranged to allow for an adjustment of the vertical positioning of said tipping axis (11).

3 more elements

Dependencies are inferred from the claim text.