Device for receiving and separating chips and cooling liquid...

B - Operations – Transporting – 23 – Q

Patent

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Details

B23Q 11/00 (2006.01) B01D 33/06 (2006.01) B01D 33/073 (2006.01) B23Q 11/10 (2006.01)

Patent

CA 2452914

The invention relates to a device for receiving and separating chips and cooling liquid collecting on machine tools, the cooling liquid being returned for reuse and the chips being discharged, having a receiving tank (1) for receiving the chips and the cooling liquid, a rising guide section (3) adjoining the receiving tank (1), an elevated delivery section (4) adjoining the guide section (3), a chain--like closed transport element which, at least in the region receiving the chips and the cooling liquid and in the delivery section (4), is guided via deflecting elements (6, 7), of which at least one is coupled to a rotary drive, and a rotatably mounted filter drum (12) which is in drive connection with the transport element. The object of the invention is to propose a solution for reducing the bearing load of the filter drum in such a device and for making it possible for a filter cake to form on the outside on the circumference of the drum despite a continuously revolving transport element, this filter cake positively influencing the filter effect. This is achieved in that the transport element is guided along the filter drum (12) at a radial distance from the latter on guide rails (13), and in that cooperating driver elements acting only in the circumferential direction on the filter drum (12) and arranged in each case at a distance from one another are provided on the transport element and on the filter drum (12).

L'invention concerne un dispositif destiné à recueillir et à séparer des copeaux et du liquide tombant de machines-outils. Le liquide de refroidissement est recyclé pour une réutilisation et les copeaux sont évacués. Ce dispositif comprend un réservoir (1) destiné à recevoir les copeaux et le liquide de refroidissement, ce réservoir (1) étant prolongé d'une section de guidage (3) ascendante prolongée, à son tour, d'une section de déchargement (4) élargie. Un élément de transport fermé de type chaîne est guidé au moins dans la zone recevant les copeaux et le liquide de refroidissement ainsi que dans la section de déchargement (4) par des éléments de renvoi (6, 7) dont un au moins est couplé au servomoteur. Enfin, un tambour filtrant monté rotatif (12) est en liaison d'entraînement avec l'élément de transport. L'invention vise à proposer une solution qui, avec un tel dispositif, permette de réduire la charge sur le palier du tambour filtrant et, malgré un élément de transport tournant en continu, la formation sur la circonférence extérieure du tambour d'un gâteau de filtre qui agisse positivement sur l'efficacité du filtrage. A cet effet, l'élément de transport est guidé à une distance radiale du tambour filtrant (12) le long de rails de guidage (13) du tambour filtrant (12). L'élément de transport et le tambour filtrant (12) présentent, seulement dans le sens circonférentiel, des éléments entraîneurs qui coopèrent en étant placés respectivement à une certaine distance les uns des autres et qui agissent sur le tambour filtrant (12).

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