Black card unit of looks machine

The utility model provides a black card unit of looks machine, the confession is placed in the place ahead of camera camera lens, it includes a pendulous device, this pendulous device includes a base,two swing seat and a drive arrangement, wherein these two swing seat set up respectively in the both sides of this base, this drive arrangement includes a motor, an axostylus axostyle and two sets ofeccentric cam group that sets up on this axostylus axostyle of reverseeing, and the every eccentric cam of group component do not corresponds the foretell swing seat of interlock, when making this axostylus axostyle of this motor drive rotate, but two eccentric cam groups of interlock rotate, make that these two swing seat are synchronous and form to go to the fields and sway on this base. 种相机用黑卡机组，供放置于相机镜头的前方，其包括摆动装置，该摆动装置包括基座、两个摆动座及驱动装置，其中该两个摆动座分别设置于该基座的两侧，该驱动装置包括马达、轴杆及两组颠倒设置于该轴杆上的偏心凸轮组，且每组偏心凸轮组分别对应连动上述的摆动座，使该马达驱动该轴杆转动时，可连动两个偏心凸轮组转动，使该两个摆动座同步形成上下地摇动于该基座上。