The utility model provides a kind of 3D printer
nozzle quick connecting mechanism, it is related to 3D printer
nozzle technical field, including
extrusion head body and
nozzle body.In the utility model, the positioning strip of nozzle body outer wall is aligned with the positioning groove of
extrusion head body mounting hole inner wall, by sliding, nozzle body is inserted into mounting hole, realize quick positioning, at this time, the connecting block of annular plate on nozzle body is accurately aligned with the limiting hole of
extrusion head body bottom, then, rotate
handle, make it drive screw rod rotation, screw rod will drive sliding block connected with it by thread in the process of rotation in side frame and slide upwards, when sliding block moves up, by connecting column drive bottom bar, connecting shaft, top plate and ring and limiting plug rod synchronous rising, when limiting plug rod inserts into the limiting hole of connecting block and extrusion head body, the fixing of nozzle body and extrusion head body can be completed, whole installation process does not need tool, and operation is simple, and nozzle body installation time is greatly shortened.