Hook support type box grabbing device and grabbing posture adjusting method thereof

The invention discloses a hook support type box grabbing device and a grabbing posture adjusting method thereof. The hook support type box grabbing device comprises a grabber, a vacuum suction tool is arranged on the grabber, and the grabber can lift a box sucked by an adsorption part; the grabber is provided with a movable bottom hook, and after the box body is lifted, the bottom hook can move to be hooked at the bottom of the box body so as to support the box body; a long edge identification mechanism is further arranged on the grabber and can identify the long edge of the box body, so that the bottom hook can be adjusted to be hooked on the long edge of the box body; the long edge identification mechanism comprises a plurality of contact sensors; and when the bottom hook is opposite to the long side or the short side of the box body, the contact sensors in contact with the box body are different, so that the long side of the box body is identified. According to the grabbing device, the box grabbing mode ca