Hole trepanning device and trepanning method

• Main Authors: XIA CHUN, ZHENG YUNHONG, JIAN YUANXIANG
• Format: Patent
• Language: Chinese; English
• Published: 14.01.2020
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The invention relates to a hole trepanning device. The device comprises two fixed center bases and a connecting rod. The two fixed center bases arranged in a manner of being spaced by the preset distance, the two fixed center bases are used for being absorbed on a part to be trepanned, the fixed center bases are provided with rotation rods, one ends of the rotation rods are rotatably connected tothe centers of the fixed center bases, the other ends of the rotation rods are provided with connecting rod bases with the adjustable positions, the two connecting rod bases are connected to two endsof a connecting rod, the two connecting rod bases are adjustable in position on the connecting rod, one or multiple cutting head fixed bases with the adjustable positions are connected to the connecting rod, cutting heads used for cutting a steel plate are arranged on the cutting head fixed bases, the two rotation rods are arranged in parallel, and the connecting rod is parallel to the connectingline between the two fixed