Auxiliary observation device for roller tool setting

The utility model relates to a roller tool setting auxiliary observation device which comprises a base and an ejector rod, a plurality of magnets are arranged on the bottom face of the base, a supporting rod is arranged above the base, the ejector rod is installed in the supporting rod in a telescopic mode, and a wireless camera is arranged below the end of the ejector rod. The wireless camera is in signal connection with the tablet computer, a movable cavity is formed in the supporting rod, a first hole is formed in the top of the supporting rod and communicated with the movable cavity, the ejector rod is installed in the movable cavity, a second hole is formed in the top face of the ejector rod, and the first hole is aligned with the second hole. According to the tool setting device, through observation of the tablet personal computer, an operator is prevented from being close to the rotating roller at a short distance, the operator can stand more safely, the operator can stand in front of the tablet person