Spring product manufacturing line

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 37/04 (2006.01) B21D 7/06 (2006.01) B21D 53/88 (2006.01) B30B 15/02 (2006.01)

Patent

CA 2699726

The invention provides a spring product manufacturing line comprising: a manufacturing area 2 at which a formation device 50 attached to a base mount 52 plastically processes a spring material into a spring product; a formation device switching area 3 at which one formation device 50 is removed from the mount 52 and switched with another forming device 50; and a formation device transport line 4 that conveys a formation device 50 attached to a base mount 52 at the device switching area 3 to a manufacturing area 2; wherein the formation device 50 is provided with a plurality of formation units 54 that perform a bending process on the spring material by fluid pressure; the base mount 52 is provided with a pressure fluid line 62 that supplies pressure fluid to the formation units 54 provided at the formation device 50, and that is removably connected to each of the formation units 54; and the attachment or removal of the pressure fluid line 62 with respect to the formation device 50 is performed at the device switching area 3.

L'invention concerne une chaîne de fabrication de ressort qui possède une zone de fabrication (2) dans laquelle un ressort est fabriqué par formage plastique d'un fil d'acier à ressort par un dispositif de filière (50) fixé à une base (52), une zone de remplacement de dispositif de filière (3) dans laquelle le dispositif de filière (50) est détaché de la base (52) pour remplacement, et une ligne de transport de dispositif de filière (4) qui transporte le dispositif de filière (50) fixé à la base (52) dans la zone de remplacement de dispositif de filière (3) vers la zone de fabrication (2). Le dispositif de filière (50) présente une pluralité d'unités de formage (54) pour cintrer les fils d'acier à ressort avec une pression hydraulique. La base (52) possède un tuyau hydraulique (62) qui alimente en huile sous pression les unités de formage (54) et qui peut être attaché à chaque unité de formage et détaché de celle-ci (54). Le tuyau hydraulique (62) est détaché du dispositif de filière et attaché au dispositif de filière (50) dans la zone de remplacement de dispositif de filière (3).

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