The invention discloses a continuous extruding machine for tin brass welding wires. The continuous extruding machine comprises a machine body, a driven extrusion wheel, an extrusion shoe, a driving extrusion wheel, a material blocking block and an extrusion die; a driving shaft is arranged in the machine body, the driving extrusion wheel is fixedly arranged on the driving shaft, the driven extrusion wheel is rotationally installed in the machine body through a rotating shaft, a first extrusion groove is formed in the circumference of the driving extrusion wheel, and a second extrusion groove is formed in the circumference of the driven extrusion wheel; and the extrusion shoe is installed in the machine body, an arc-shaped inclined face is arranged on the side face, facing the driving extrusion wheel, of the extrusion shoe, groove sealing blocks are arranged on the arc-shaped inclined face, the groove sealing blocks is matched with the first extrusion groove of the driving extrusion wheel to form a second extrusion cavity, the material blocking blocks ar efixedly arranged on the arc-shaped inclined surface of the extrusion shoe and are located at the bottom part of the second extrusion cavity, and the bottom part of the second extrusion cavity is closed. The invention further discloses a production process based on the same. According to the continuous extruding machine for thetin brass welding wires and the production process based on the same, energy is saved, and production efficiency is improved.