Dual-exchange table vertical machining center structure

Abstract

The invention discloses a dual-exchange table vertical machining center structure which comprises a base. The upper surface of the base is provided with a saddle driving ball screw and two saddle linear guide rails, the saddle driving ball screw is arranged between the two saddle linear guide rails, one end of the saddle driving ball screw is provided with a saddle driving motor, a saddle is arranged above the saddle driving ball screw and the two saddle linear guide rails, the upper surface of the saddle is provided with a stand column driving ball screw and two stand column linear guide rails, the stand column driving ball screw is installed between the two stand column linear guide rails, and stand columns are arranged above the stand column linear guide rails and the stand column driving ball screw. Dual exchange working tables are adopted and only do rotary motion, a tool changer does constant mass motion on the X, Y and Z axes, the accuracy stability is good, the accuracy keepingperformance is high, the clamping time is shortened, the working efficiency is improved, and several machines can be operated by one person at a time.

Description

technical field [0001] The invention belongs to the technical field of vertical machining center structures, and in particular relates to a structure of a vertical machining center with double exchange tables. Background technique [0002] The machining center is a highly automated multifunctional CNC machine tool with a tool magazine and an automatic tool changer. After the workpiece is once clamped on the machining center, the digital control system can control the machine tool to automatically select and replace the tool according to different procedures, automatically change the machine tool spindle speed, feed rate, and the movement track of the tool relative to the workpiece and other auxiliary functions. Multi-process processing on several surfaces of the workpiece. And there are multiple tool changing or tool selection functions, so that the production efficiency is greatly improved. [0003] However, the structure of the vertical machining center currently on the ...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a vertical machining center structure with double exchange tables to solve the problem that the tool magazine proposed in the above background technology cannot realize constant mass movement on the X, Y, and Z axes. Poor stability, low precision retention, more clamping time and low work efficiency, it is impossible for one person to operate several machines at the same time, which wastes manpower

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