Apparatus for shearing multi-walled workpieces

B - Operations – Transporting – 26 – D

Patent

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Details

B26D 7/02 (2006.01) B23D 23/00 (2006.01) B23D 23/02 (2006.01) B23D 35/00 (2006.01)

Patent

CA 2275272

In an apparatus for shearing multi-walled workpieces, such as metal framing studs, a base support (16) defines a blade gap (18) therebetween, and a guillotine-like blade (30) is slidably received within the gap for shearing the workpieces. A pair of first supports (20) are each slidably mounted on a respective base support (16, 18). A pair of second supports (22) are also each slidably mounted on the base support, and are spaced apart from and face the first supports to thereby define an adjustable-width channel (28) therebetween. Each of the supports defines a blade-like edge for engaging an elongated, multi-walled workpiece and the first and second support surfaces are each moved into contact with a respective wall of the workpiece. The supports can be oriented relative to one another such that the axis of the channel, and a longitudinal axis of the workpiece received within the channel can be oriented at a desired angle relative to the blade. The guillotine-like blade is then driven downwardly into engagement with the workpiece to shear the workpiece along a line of contact.

Dans un appareil de cisaillement de pièces à parois multiples, notamment des montants d'ossature métallique, un support de base (16) définit un espace pour lame (18) et une lame du type guillotine (30) qui se loge de façon coulissante dans l'espace, afin de cisailler les pièces à usiner. Cet appareil comprend: une paire de premiers supports (20) dont chacun est monté de manière coulissante sur un support (16, 18) de base respectif, et une paire de seconds supports (22) également montés de manière coulissante sur le support de base, séparés entre eux et faisant face aux premiers supports, la distance qui les sépare définissant un canal (28) de largeur réglable. Chacun des supports définit un bord du type lame destiné à entrer en contact avec une pièce allongée et à parois multiples, et les premières et secondes surfaces du support sont chacune déplacées pour entrer en contact avec une paroi respective de la pièce. Les supports peuvent être orientés les uns par rapport aux autres de sorte que l'axe du canal et l'axe longitudinal de la pièce déposée dans le canal puissent former un angle désiré par rapport à la lame. La lame de type guillotine est alors dirigée vers le bas afin de pénétrer la pièce et la cisailler selon une ligne de contact.

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