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High-precision three-portal five-axis linkage numerically-controlled milling machine

A five-axis linkage and CNC milling machine technology, which is applied in the field of milling machines, can solve the problems of low safety and anti-collision coefficient, low efficiency, and poor processing accuracy of large workpieces, etc., and achieves a strong random effect

Inactive Publication Date: 2018-12-14
BEIJING AEROSPACE HUAYU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Five-axis linkage CNC machine tools have always been restricted by western developed countries. They are expensive and maintenance costs are high. Once a collision occurs, it will cost a lot
Most of the domestic manufacturers only produce small and medium-sized five-axis machine tools, and there are few large-scale five-axis linkage machine tools, and the control method rarely achieves true five-axis linkage. Low collision avoidance factor

Method used

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  • High-precision three-portal five-axis linkage numerically-controlled milling machine
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  • High-precision three-portal five-axis linkage numerically-controlled milling machine

Examples

Experimental program
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Effect test

Embodiment 1

[0060] This embodiment is a high-precision three-gantry five-axis linkage CNC milling machine.

[0061] Reference attached Figure 1~4 The CNC milling machine includes a base 1, three gantry 2 installed above the base 1, and a numerical control system for driving and controlling the gantry 2. The numerical control system is installed in the numerical control platform cabinet 31 on one side of the milling machine. A wired trough 32 is arranged above the numerical control platform cabinet 31, and electrical circuits and cooling water channels are installed on it, and connected to the gantry structure through it, so that the wiring is clean and safe. Each gantry 2 of this embodiment is equipped with its own complete Siemens independent numerical control system. The three gantry 2 can complete a large workpiece at the same time, or they can complete parts of different sizes; each gantry 2 can use a program with different choices You can also input different programs separately to pro...

Embodiment 2

[0072] This embodiment is a three-gantry five-axis linkage CNC milling machine bed 10 structure.

[0073] Reference attached Figure 5~6 , 20, the bed 10 includes a box-shaped structure and a carriage 20 arranged on it. The box-shaped structure is a three-box structure, which is formed by casting materials and lost foam at one time, and the box body is equipped with diagonal braces. The top of the box structure is equipped with two sets of left and right racks and grooves, and the grooves are used to accommodate the motor in the gear box. The carriage 20 is connected to the rack through an anti-backlash gear, and the carriage 20 is connected with a gear box. The gear box is also installed on a box-shaped structure. The gear box is provided with a motor, a reducer and an anti-backlash gear, which pass through the anti-backlash gear. It is connected with the rack in gear transmission and drives the carriage 20 to slide smoothly on the rack.

[0074] That is, the gearbox used in this...

Embodiment 3

[0083] This embodiment is a Y-axis installation structure of a three-gantry five-axis linkage CNC milling machine.

[0084] Reference attached figure 1 The CNC milling machine includes a base 1, a gantry 2 mounted on it, and a numerical control system for driving and controlling the gantry 2. The base 1 includes two sets of bed 10 arranged in parallel, forming a five-axis linkage X axis; bed 10 Three gantry 2 are installed on the top, and the workbench 4 is below the gantry 2. Each gantry 2 is equipped with an independent numerical control system, and each gantry 2 is at the same position and has the same height.

[0085] Reference attached Figure 8-10 , The gantry 2 includes a column 21 drivingly connected to the bed 10, a cross beam 22 mounted on the column 21, a ram 23 drivingly connected to the cross beam 22, and a main shaft 24 drivingly connected to the ram 23. A milling head is installed under the main shaft 24, The cross beam 22 constitutes a five-axis linkage Y axis, and ...

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Abstract

The invention discloses a high-precision three-portal five-axis linkage numerically-controlled milling machine. The high-precision three-portal five-axis linkage numerically-controlled milling machinecomprises a pedestal, portals mounted thereon, and numerical control systems for driving and controlling the portals, wherein the pedestal comprises two sets of machine bodies arranged in parallel, which form an X axis for five-axis linkage; three portals adopting combined moving beam structures are mounted above the machine bodies; a workbench is arranged below the portals; each portal is equipped with an independent numerical control system; the same positions of all the portals have consistent contour points; each portal comprises vertical columns in transmission connection with the machine bodies, a cross beam mounted on the vertical column, a ram in transmission connection with the cross beam, and a main shaft in transmission connection with the ram; the cross beam forms a Y axis forthe five-axis linkage; the ram forms a Z axis for the five-axis linkage; a double-swing milling head is mounted below the main shaft; two rotating shafts are arranged inside the double-swing millinghead, and form a B axis and a C axis for the five-axis linkage respectively.

Description

Technical field [0001] The invention relates to the field of milling machines, in particular to a high-precision three-gantry five-axis linkage CNC milling machine. Background technique [0002] CNC machine tools are the working machine of the manufacturing equipment industry, the cornerstone of realizing advanced technology and equipment modernization, and the strategic equipment to ensure the development of high-tech entrepreneurship and the modernization of national defense and military industries. The equipment manufacturing industry is the cornerstone of a country's industry. It provides important means for the development of new technologies, new products and modern industrial production. It is an indispensable strategic industry. The machine tool is a symbol of the level of manufacturing in a country, and the five-axis linkage CNC machine tool system represents the highest state of the machine tool manufacturing industry. In a sense, it reflects a country’s industrial dev...

Claims

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Application Information

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IPC IPC(8): B23C1/00B23C1/08B23Q1/01B23Q1/25B23Q5/40B23Q11/00
CPCB23C1/002B23C1/08B23Q1/012B23Q1/015B23Q1/25B23Q5/40B23Q11/00
Inventor 武皓微王惠陈辉
Owner BEIJING AEROSPACE HUAYU TECH CO LTD
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