Spraying and sucking drill and deep straight hole machining method

• Main Authors: WANG SHUAI, LIU YAN, LIU GUIXING, LI SHIZHEN, ZHANG SHUCHEN, SHI SHI, JIA XIUQIN, ZHANG XUANGANG
• Format: Patent
• Language: Chinese; English
• Published: 05.04.2024
• Subjects: BORING; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; COMBINED OPERATIONS; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; OTHER WORKING OF METAL; PERFORMING OPERATIONS; TRANSPORTING; TURNING; UNIVERSAL MACHINE TOOLS

The invention discloses a spraying and sucking drill and a deep straight hole machining method.The spraying and sucking drill comprises a drill bit, a drill rod, a cutter handle, a shell and a locking nut, the drill rod comprises an inner drill pipe and an outer drill pipe, the shell is rotationally installed on the cutter handle, the cutter handle is provided with a spraying flow channel extending in the axial direction of the cutter handle, and the spraying flow channel communicates with a negative pressure generation cavity and is used for enhancing the negative pressure suction capacity; and the discharge of cuttings is accelerated. The deep straight hole machining method is based on the floor type boring and milling machining center and the spraying and sucking drill, the universal floor type boring and milling machining center is used for machining the deep straight hole, a special machine tool is replaced, the special machine tool does not need to be purchased, the production cost is reduced, the new p