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CN-122007648-A - Intelligent laser cutting system and cooperative control method

CN122007648ACN 122007648 ACN122007648 ACN 122007648ACN-122007648-A

Abstract

The application relates to an intelligent laser cutting system and a cooperative control method in the field of manufacturing high-end intelligent laser processing equipment, wherein the system comprises a machine tool main body, cutting equipment, a flexible tool and an operating system, wherein the cutting equipment is assembled at a motion end of a Z axis through an A axis and a B axis, the flexible tool is loaded on a workbench of a Y axis and comprises a base, a first supporting component and a second supporting component, the operating system can control the machine tool main body to cut a workpiece according to a set track and a set angle by using the cutting equipment according to the type of the workpiece, and the operating system can control the machine tool main body to adjust the distance between the cutting equipment and the workpiece in real time. The application can rapidly complete the positioning and cutting work of two-dimensional/three-dimensional oversized super-thick workpieces with complex surface, improves the cutting efficiency, the cutting quality and the cutting precision, can simultaneously adapt to the processing of different types of large-breadth and large-thickness workpieces such as flat workpieces, curved workpieces and the like, and effectively solves various problems existing in the traditional processing mode.

Inventors

  • SUN XIAONAN
  • LIU QIGUANG
  • LV JIE
  • JIN XIN
  • Lou Hengquan

Assignees

  • 北京航空材料研究院股份有限公司

Dates

Publication Date
20260512
Application Date
20260107

Claims (10)

  1. 1. An intelligent laser cutting system is characterized by comprising a machine tool main body, cutting equipment, a flexible tool and an operating system; The machine tool main body is provided with an X axis, a Y axis, a Z axis, an A axis and a B axis, wherein the Z axis is arranged on a moving part of the X axis in a sliding way, and the cutting equipment is assembled at the moving end of the Z axis through the A axis and the B axis; The X-axis is used for driving the Z-axis to move horizontally and transversely, the Y-axis is used for driving the flexible tool to move horizontally and longitudinally, the Z-axis is used for driving the A-axis, the B-axis and the cutting equipment to move vertically, the A-axis is used for driving the cutting equipment to rotate around the X-axis, and the B-axis is used for driving the cutting equipment to rotate around the Y-axis; The operating system can control the machine tool main body to cut the workpiece according to the set track and the set angle by using the cutting equipment according to the type of the workpiece, and can control the machine tool main body to adjust the distance between the cutting equipment and the workpiece in real time.
  2. 2. The intelligent laser cutting system of claim 1, wherein the first support assembly comprises an array of cylinders disposed on the base, the cylinders being vertically disposed with telescoping ends facing upward.
  3. 3. The intelligent laser cutting system according to claim 1, wherein the second support assembly comprises a universal fine adjustment mechanism disposed in the middle of the base and flexible support mechanisms disposed on the base and arranged around the array of universal fine adjustment mechanisms, each of which is individually adjustable in height.
  4. 4. The intelligent laser cutting system of claim 1, wherein the cutting apparatus comprises a carbon dioxide laser, an optical path structure, and a cutting head mounted on the a-axis and the B-axis, the carbon dioxide laser being connected to the cutting head via the optical path structure.
  5. 5. The intelligent laser cutting system according to claim 4, wherein the cutting head comprises a cutting head main body and a cutting nozzle, the cutting nozzle and the cutting head main body are installed in a magnetic attraction mode and are provided with a magnetic anti-collision device, when the cutting nozzle collides, the cutting nozzle automatically falls off, meanwhile, the magnetic anti-collision device feeds back signals to an operating system, and the operating system controls the machine tool main body and the cutting equipment to automatically stop running and give an alarm prompt.
  6. 6. The intelligent laser cutting system according to claim 5, wherein the cutting head main body is provided with a pressure sensor, when the cutting head main body collides, the pressure sensor reaches a certain value and can feed back signals to an operating system, and the operating system controls the machine tool main body and the cutting equipment to automatically stop running and give an alarm prompt.
  7. 7. The intelligent laser cutting system according to any one of claims 1 to 6, wherein a distance sensor for pointing to a cutting position is installed on the cutting device, the distance sensor is used for feeding back the distance from the cutting device to the surface of the workpiece in real time when the intelligent laser cutting system runs a processing program, and the operating system adjusts the distance from the cutting device to the workpiece in real time according to the distance data fed back by the cutting device.
  8. 8. The intelligent laser cutting system according to any one of claims 1 to 6, further comprising an automated guided vehicle, the automated guided vehicle being formed with a liftable support platform at a top thereof for mating with the flexible tooling bottom.
  9. 9. The intelligent laser cutting system according to any one of claims 1 to 6, further comprising a protective cover and a fume filtration system, wherein the machine tool body is disposed within the protective cover, and wherein the fume filtration system is connected to the protective cover.
  10. 10. A cooperative control method of an intelligent laser cutting system according to any one of claims 1 to 9, comprising the steps of: according to the model of the workpiece, selecting a first support assembly to finish clamping the flat workpiece or selecting a second support assembly to finish clamping the curved workpiece; moving the flexible tool and the workpiece thereon to a workbench of a Y axis of the machine tool body; according to the type of the workpiece, the machine tool body is controlled by the operating system to cut the workpiece according to the set track and the set angle by using the cutting equipment, and the distance between the cutting equipment and the workpiece is controlled by the machine tool body in real time until the cutting of the workpiece is completed.

Description

Intelligent laser cutting system and cooperative control method Technical Field The application relates to the field of manufacturing of high-end intelligent laser processing equipment, in particular to an intelligent laser cutting system and a cooperative control method. Background At present, for transparent nonmetallic materials (such as acrylic) with large breadth and large thickness, the prior art mainly relies on manual cutting treatment after loading is finished manually, however, the method has the following defects of ① efficiency and quality bottleneck, namely that the traditional manual loading and unloading is high in labor intensity, manual cutting stress is large to crack, the ultra-large-size ultra-thick acrylic workpiece takes 60-80 minutes to finish cutting, ② precision is insufficient, namely that the clamping of a small three-dimensional curved surface part depends on manual fine adjustment, repeated positioning precision is poor, each cutting needs about 30 minutes to find a cutting position, ③ existing related equipment has environmental protection defects, namely that the cutting process is not sealed, waste gas generated is not effectively treated, and ④ compatibility is poor, namely that the planar workpiece and the three-dimensional workpiece are required to be processed by separate equipment. Accordingly, the present invention has been made. Disclosure of Invention The invention mainly aims to provide an intelligent laser cutting system and a cooperative control method, which aim to solve at least one technical problem. The intelligent laser cutting system comprises a machine tool body, a cutting device, a flexible tool and an operating system, wherein the machine tool body is provided with an X axis, a Y axis, a Z axis, an A axis and a B axis, the Z axis is arranged on a moving part of the X axis in a sliding mode, the cutting device is assembled on a moving end of the Z axis through the A axis and the B axis, the flexible tool is borne on a workbench of the Y axis, the flexible tool comprises a base, a first supporting component and a second supporting component, the first supporting component is arranged on the top of the base and is used for supporting a flat workpiece, the X axis is used for driving the Z axis to move horizontally and transversely, the Y axis is used for driving the flexible tool to move horizontally and longitudinally, the Z axis is used for driving the A axis, the B axis and the cutting device to move vertically, the A axis is used for driving the cutting device to rotate around the X axis, the B axis is used for driving the cutting device to rotate around the Y axis, the operating system can control the angle of the machine tool according to the type of the machine tool body, the distance between the machine tool body and the machine tool body can be adjusted in real-time according to the set up angle of the machine tool, and the machine tool can be used for setting the cutting device. By using the intelligent laser cutting system in the technical scheme, the flexible tool with the first supporting component and the second supporting component is designed for the flat workpiece and the curved workpiece with large breadth and large thickness, the cutting equipment and the flexible tool are assembled with the machine tool main body with the X axis, the Y axis, the Z axis, the A axis and the B axis, and are controlled by an operating system, and through modularized integration and intelligent control strategies, the integrated three-dimensional five-axis numerical control machine tool and the multi-mode flexible tool system can rapidly complete the positioning and cutting work of two-dimensional/three-dimensional oversized super-thick workpieces with complex surfaces, so that the cutting efficiency and the cutting quality are improved, the cutting precision is improved, the integrated three-dimensional five-axis numerical control machine tool can be simultaneously suitable for processing different types of large-breadth large-thickness workpieces such as flat workpieces and curved surface workpieces, and various problems existing in the traditional processing mode are effectively solved. In some embodiments of the invention, the first support assembly comprises an array of cylinders disposed on the base, the cylinders being vertically arranged with telescoping ends facing upward. In some embodiments of the invention, the second support assembly includes a gimbal fine adjustment mechanism disposed in a middle portion of the base and flexible support mechanisms disposed on the base and arranged around the gimbal fine adjustment mechanism array, each of the flexible support mechanisms having a height that is individually adjustable. In some embodiments of the invention, the cutting apparatus includes a carbon dioxide laser, an optical path structure, and a cutting head mounted on the a-axis and the B-axis, the carbon dioxide laser being connected to the cutting h