Patent ID: 8778088
Filing Date: 2014-07-15
Classification: A22C,B08B

Abstract:
1. A foreign matter removal device for removing foreign matters on a work, comprising: a plurality of cleaning tanks which are disposed from an upstream input end to a downstream discharge end and store cleaning liquid for cleaning the work; a plurality of buckets which are respectively housed in the plurality of cleaning tanks; a plurality of auxiliary tanks, with one of the plurality of tanks being provided for each of a respective one of the plurality of cleaning tanks, and arranged laterally to each of the plurality of cleaning tanks so as to store the cleaning liquid that overflows from each of the plurality of cleaning tanks; a dividing plate which divides each of the auxiliary tanks from the other of the auxiliary tanks so that the cleaning liquid that overflows from each of the plurality of cleaning tanks is not mixed with the cleaning liquid that overflows from the other cleaning tanks; a first ejection unit which is arranged in each of the cleaning tanks to eject the cleaning liquid stored in the auxiliary tank from one side of said each of the cleaning tanks to an opposite side; and a second ejection unit which is arranged in said each of the cleaning tanks to eject the cleaning liquid stored in the auxiliary tank from the opposite side to the one side, wherein the first and second ejection units are arranged at different heights in said each of the cleaning tanks so as to generate a circulating flow of the cleaning liquid in said each of the cleaning tanks, wherein each of the cleaning tanks has a bottom having a shape such that the nearer to a center of the bottom, the deeper the bottom becomes, and wherein the cleaning liquid is agitated in the bucket to remove the foreign matters adhered to the work and the bucket is inverted to transfer the work to a subsequent bucket arranged on a downstream side toward the downstream discharge end.