Drilling device for inverter circuit board production

• Main Authors: ZHANG JICHONG, ZHANG GUOYAN, WANG CHANGSHANG
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2023
• 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 utility model belongs to the technical field of circuit board drilling. The drilling device for inverter circuit board production comprises a drilling table, a lifting drilling device is fixedly arranged at the top of the drilling table, a drill bit is fixedly arranged at the output end of the lifting drilling device, a discharging pipe is fixedly arranged on the inner wall of the drilling table, an air pipe is fixedly arranged at the bottom of the discharging pipe, and a discharging pipe is fixedly arranged on the outer wall of the circumference of the air pipe. A piston is slidably connected to the inner wall of the air pipe, a filter screen is fixedly arranged on the inner wall of the air pipe, a connecting rod is fixedly arranged at the inner end of the piston, a one-way valve is fixedly arranged on the left side of the air pipe, a sealing plate is fixedly arranged on the inner side of the piston, a discharging groove is formed in the arc face of the inner side of the sealing plate, and an electric pu