Door closure is folding equipment in advance

The utility model discloses a door closure is folding equipment in advance. Door closure is folding equipment in advance includes gyro wheel hem device and cant hem device in advance, the gyro wheel in advance the hem device with cant hem device in advance carries out hem in advance at same station to the work piece. Through set up the gyro wheel in advance hem device and cant in advance the hem device carry out hem in advance at same station to the work piece, can accelerate hem process in advance, hem technology can not satisfy the beat requirement to prevent work piece hem length overlengthor work piece from to have under the little curvature radius condition in advance. 本实用新型公开了种门盖预折边设备。门盖预折边设备包括滚轮预折边装置和斜推预折边装置，所述滚轮预折边装置和所述斜推预折边装置在同工位对工件进行预折边。通过设置滚轮预折边装置和斜推预折边装置在同工位对工件进行预折边，能够加速预折边过程，防止工件折边长度过长或工件存在小曲率半径情况下预折边工艺不能满足节拍要求。