ROTATING DRUM FOR WORKPIECE CONVEYANCE AND WORKPIECE CLEANING DEVICE

Title:

ROTATING DRUM FOR WORKPIECE CONVEYANCE AND WORKPIECE CLEANING DEVICE

Document Type and Number:

WIPO Patent Application WO/2016/163402

Kind Code:

A1

Abstract:

A rotating drum (7) of a rotating drum-type workpiece cleaning device is provided with feed fins (13) that extend helically along the inner circumferential surface (11a) of the drum body (11). The feed fins (13) are, for example, fins in which metal sheets have been folded. On both sides of the feed fins (13), the angle (θ) of the internal corner (64) between the feed fin (13) and the inner circumferential surface (11a) of the drum body (11) is an obtuse angle, for example, about 120 degrees. The present invention is able to prevent or limit the trapping of conveyed workpieces (w) in the internal corner (64) and trapping between adjacent fin sections (13a, 13b).

Inventors:

TAKEI HIDEO (JP)
FUJIMORI KAZUTAKA (JP)
HIRAIDE MASAHIKO (JP)

Application Number:

PCT/JP2016/061268

Publication Date:

October 13, 2016

Filing Date:

April 06, 2016

Export Citation:

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Assignee:

HIRAIDE PREC CO LTD (JP)

International Classes:

B08B3/02; B08B3/04; B08B3/06; C23G3/00; F16C13/00

Domestic Patent References:

WO2012060047A1

2012-05-10

Foreign References:

JPH0739971U	1995-07-18
JP2014050364A	2014-03-20
JP2000351097A	2000-12-19
JPH06254515A	1994-09-13
JP2007138285A	2007-06-07

Other References: