发明名称 Roller hemming device
摘要 Disclosed is a roller hemming device capable of maintaining performance to hem a work at low cost. Specifically disclosed is a roller hemming device for performing preliminary bending to a work placed on a bottom die along a guide surface formed on the bottom die, which includes a roller for hemming the work, and a guide member protruding radially outward from the outer circumferential surface of the roller. The guide member is in contact with the guide surface of the bottom die during the preliminary bending.
申请公布号 US9003853(B2) 申请公布日期 2015.04.14
申请号 US201113978226 申请日期 2011.01.07
申请人 Toyota Jidosha Kabushiki Kaisha 发明人 Tsuda Satoshi
分类号 B21D39/02 主分类号 B21D39/02
代理机构 Kenyon & Kenyon LLP 代理人 Kenyon & Kenyon LLP
主权项 1. A roller hemming device for performing preliminary bending to a work placed on a bottom die along a guide surface formed on the bottom die, comprising: a roller for hemming the work; and a guide member independent from the roller, wherein the roller has a groove in which the outer circumferential surface of the roller is recessed toward the radial inside of the roller throughout the circumference of the roller, and the guide member is provided in the groove so as to protrude radially outward of the outer circumferential surface of the roller, and is in contact with the guide surface of the bottom die during the preliminary bending.
地址 Toyota-Shi JP