Successive screw feeder driver

B - Operations – Transporting – 25 – B

Patent

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Details

B25B 23/04 (2006.01)

Patent

CA 2209676

A successive screw feeder driver capable of using, as a single machine, plural types of screws of different lengths, capable of finely adjusting a screw driving position, and further capable of coping with a difference in the mounting position of a belt-like member of a screw chain. A screw driving bit (7) is connected detachably to a screw driving mechanism (3), and a screw feed mechanism (6) which is slidable longitudinally is connected to a front portion of the screw driving mechanism (3). An adjusting mechanism (23) for adjusting a longitudinal position of the bit (7) is constituted in the screw driving mechanism (3). A screw feed means (24) is constituted in the screw feed mechanism (6) for feeding screws arranged side by side on a screw chain (9) up to a screw driving position where each screw is driven with the bit (7), in interlock with the screw driving operation performed by the bit (7). In the screw feed mechanism (6) are formed a plurality of guide passages (30) for the screw chain (9) so as to permit replacement and loading of plural screw chains (9). Further, a front-end block (12) having an abutment surface at a front end thereof is constituted in the screw feed mechanism (6) so as to be slidable longitudinally with respect to the screw feed mechanism (6).

La présente invention concerne une machine à visser et serrer en continu les vis. Cette machine qui permet de visser et de serrer différents types de vis de différentes longueurs, la position de serrage des vis pouvant se régler de façon fine. Pour fonctionner, cette machine utilise un dispositif de positionnement de bande de vis actionné par un organe à courroie. Cette machine (3), équipée d'une mèche amovible de tournevis (7), comporte un organe mécanique d'alimentation en vis (6) mobile longitudinalement, disposé sur la partie antérieure de la machine, et un organe mécanique (23) de réglage du positionnement de la mèche (7) par rapport à la machine. L'organe mécanique d'alimentation en vis (6) permet d'alimenter, pièce par pièce, la machine en vis (S) montées en bande (9), jusqu'à une position permettant l'entraînement d'une vis par la mèche (7) s'enclenchant dans la vis sous l'effet d'entraînement de la mèche (7). L'organe mécanique d'alimentation en vis (6) comporte également une pluralité de passages guides (30) pour bandes de vis (9) permettant de charger indifféremment plusieurs types de bandes de vis (9). Un bloc antérieur (12) comportant une face de contact protubérante est capable de coulisser longitudinalement par rapport à l'organe mécanique d'alimentation en vis (6).

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