Deep hole drilling machine tool capable of reducing invalid stroke

• Main Author: WANG YONGNA
• Format: Patent
• Language: Chinese; English
• Published: 06.09.2022
• Subjects: BORING; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; 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; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model relates to the technical field of machine tools, in particular to a deep hole drilling machine tool capable of reducing invalid strokes. The base is provided with a workbench for placing a workpiece; the base is provided with a spindle box and a guide sleeve box; the spindle box is provided with a spindle body; a front cover is arranged at the front end of the main shaft body; a drill bit is arranged at the front end of the front cover; one end of the guide sleeve box is provided with a through hole for the main shaft body to pass through; a guide sleeve piece is arranged at the other end of the guide sleeve box; the drill bit is arranged in the guide sleeve piece in a penetrating manner; and a righting mechanism for supporting the front cover is movably arranged in the guide sleeve box. The main shaft body is placed on the main shaft box, then the front end of the main shaft body passes through the penetrating hole and then enters the guide sleeve box, meanwhile, the drill bit is arranged o