US 12,403,521 B2
Edge band fine trimming mechanism of edge banding machine
Yen-Tsung Chang, Taichung (TW)
Assigned to OAV EQUIPMENT AND TOOLS, INC., Taichung (TW)
Filed by OAV EQUIPMENT AND TOOLS, INC., Taichung (TW)
Filed on Dec. 21, 2022, as Appl. No. 18/086,079.
Claims priority of application No. 111111719 (TW), filed on Mar. 28, 2022; and application No. 111140461 (TW), filed on Oct. 25, 2022.
Prior Publication US 2023/0302521 A1, Sep. 28, 2023
Int. Cl. B21D 31/00 (2006.01)
CPC B21D 31/00 (2013.01) 9 Claims
OG exemplary drawing
 
1. An edge band fine trimming mechanism of an edge banding machine, which is applied to a workpiece with an edge band adhered thereto, the edge band fine trimming mechanism comprising:
a fixed seat comprising a scraper installation groove, the scraper installation groove extending vertically;
a first feeler wheel assembly comprising a first feeler wheel, the first feeler wheel being vertically and rotatably disposed on a right side of the fixed seat;
a second feeler wheel assembly comprising a second feeler wheel, the second feeler wheel being horizontally and rotatably disposed on a bottom side of the fixed seat;
a scraper assembly disposed on the fixed seat and adapted to trim an end edge of the edge band, the scraper assembly comprising a blade holder and a blade, the blade holder comprising a vertical section and an inclined section, the vertical section being vertically and movably disposed in the scraper installation groove, the inclined section being connected to a bottom end of the vertical section and extending toward a boundary between the first feeler wheel and the second feeler wheel, the blade being disposed at a terminal end of the inclined section;
wherein the fixed seat further has an upper threaded hole; the scraper assembly further comprises a first adjusting screw; the first adjusting screw is screwed into the upper threaded hole of the fixed seat and a terminal end of the first adjusting screw is connected with the blade holder.