Release coil magnetic circuit assembly machine

The utility model relates to a trip coil magnetic circuit assembly machine which comprises a rack and a concentric-square-shaped backflow tool installed on the rack, and a coil holder feeding device, a spring feeding device, a movable iron core feeding device, a detection device and a discharging device are sequentially arranged on the circumferential side in the conveying direction of the concentric-square-shaped backflow tool. The coil holder feeding device is used for adjusting a certain distance between the folded coil holders and then placing the coil holders into a jig on the concentric-square-shaped backflow tool; the spring feeding device is used for assembling a spring into a coil holder; the movable iron core feeding device is used for inserting one section of a movable iron core onto a spring; the detection device is used for detecting the coil holder; and the discharging device is used for carrying the finished product coil holders down from the jig for classified storage. According to the utility