Patent ID: 9138847
Filing Date: 2015-09-22
Classification: B23Q,Y10T

Abstract:
1. A spraying device for use in machining center, installed at the front flange of a spindle in a machining center, comprising: a fastening member, wherein the inner side and the outer side thereof being respectively formed with an inner connecting edge and an outer connecting edge; and a spray member, wherein the inner side and the outer side thereof being respectively and axially extended with an inner flange and an outer flange capable of being mutually engaged with said inner connecting edge and said outer connecting edge of said fastening member, thereby defining an accommodation space between said fastening member and said spray member, so a coolant being allowed to pass at least one water inlet for entering said accommodation space; wherein the peripheral surface of said spray member being formed with at least one row of radially-arranged cooling array composed of a plurality of primary ejecting holes communicated with said accommodation space, and the inclined angles defined in said primary ejecting holes being determined according to the cutting range of said tool, so said coolant ejected by said primary ejecting holes being able to be gathered within the cutting range of said tool.