High-precision pneumatic power head

• Main Authors: JIN JIANCHENG, HUANG CHANGFENG
• Format: Patent
• Language: Chinese; English
• Published: 09.07.2021
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CUTTING; CUTTING-OUT; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HAND CUTTING TOOLS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PERFORATING; PERFORMING OPERATIONS; PRINTED CIRCUITS; PUNCHING; SEVERING; SEVERING BY MEANS OTHER THAN CUTTING; STAMPING-OUT; TRANSPORTING

The invention discloses a high-precision pneumatic power head. The power head is characterized in that the high-precision pneumatic power head comprises a power shaft sleeve, a driving assembly arranged in the power shaft sleeve and a drill bit assembly arranged at the bottom of the driving assembly, wherein the driving assembly comprises a power shaft, a coupler, an upper cover, an air cover and an air pump, the upper cover is fixedly connected with the top end of the power shaft sleeve, a plurality of vent holes are formed in the upper cover, the air cover is located at the top end of the upper cover, the air pump is connected with the air cover by means of a pipeline, the power shaft is arranged in the power shaft sleeve, a shaft body of the power shaft is cylindrical, the two ends of the shaft are conical, a plurality of axially-arranged impellers are arranged on the outer wall of the power shaft, a connecting through hole is formed in the middle of the bottom end of the power shaft sleeve, the upper end