Dispensing butt joint device of plate toothing machine

The utility model provides a dispensing butt joint device of a plate toothing machine, which comprises a rack, a front clamp and a rear clamp, the front clamp and the rear clamp are movably arranged on the rack, the front clamp comprises a front lower clamping plate, front longitudinal guide rails arranged on two sides of the front clamp and a front upper clamping plate moving up and down along the front longitudinal guide rails; the rear clamp comprises a rear lower clamping plate, rear longitudinal guide rails arranged on the two sides of the rear clamp and a rear upper clamping plate moving up and down along the rear longitudinal guide rails, a movable dispensing device is further arranged between the front clamp and the rear clamp, and the movable dispensing device comprises a front dispensing rod set and a rear dispensing rod set. The movable glue dispensing device moves upwards to the position between the front clamp and the rear clamp, so that the front glue dispensing rod set and the rear glue dispens