A laser cutting follow-up device and a laser cutting system

Abstract

The application discloses a laser cutting follow-up device and a laser cutting system, wherein the laser cutting follow-up device comprises a rotary driving mechanism, a radial moving mechanism and a laser cutting device; the radial moving mechanism is installed on the rotary driving mechanism; the rotary driving mechanism is used for driving the radial moving mechanism to rotate; the laser cutting device is installed on the radial moving mechanism; and the radial moving mechanism is used for driving the laser cutting device to move linearly. Through the application of the application, the laser cutting equipment with compact structure and convenient assembly is provided, at least two degrees of freedom are provided for the output end of the laser cutting device to perform cutting adjustment, the laser cutting precision and speed are improved, and the laser cutting equipment is convenient to assemble with a robot and perform high-precision control on a cutting track.

Description

Technical Field

[0001] This invention relates to the field of laser cutting equipment technology, and in particular to a laser cutting follow-up device and a laser cutting system. Background Technology

[0002] Currently, an increasing number of high-precision products are being manufactured using laser cutting to improve cutting quality and speed. However, existing laser cutting devices mostly consist of a laser cutting head mounted at the end of an XY-motion platform mechanism. This typically results in low positioning accuracy. Furthermore, laser cutting on an XY motion platform is primarily used for thin-plate planar cutting, and is unsuitable for complex three-dimensional structural parts, thus failing to fully meet current production demands. Additionally, using existing robots with laser cutting heads directly on them makes it difficult to guarantee high processing accuracy, and the resulting structures are complex and costly, making them unsuitable for single-piece or small-batch production. Summary of the Invention

[0003] In view of this, in order to solve the above problems, the purpose of the present invention is to provide a laser cutting follow-up device, comprising: a rotary drive mechanism, a radial moving mechanism, and a laser cutting device, wherein the radial moving mechanism is mounted on the rotary drive mechanism and is used to drive the radial moving mechanism to rotate, and the laser cutting device is mounted on the radial moving mechanism and is used to drive the laser cutting device to perform linear motion.

[0004] In another preferred embodiment, the radial moving mechanism rotates about a defined circle, and the laser cutting device moves linearly along the radial direction of the defined circle.

[0005] In another preferred embodiment, the rotary drive mechanism includes: a first mounting part, a driving pinion, a driven gear, and a rotary drive motor. The first mounting part is provided with a limiting slot, in which a driven gear is rotatably mounted. The rotary drive motor is fixedly mounted on the first mounting part, and the output end of the rotary drive motor is fixedly connected to the driving pinion. The driving pinion is drively connected to the driven gear, and the radial movement mechanism is mounted on the driven gear.

[0006] In another preferred embodiment, the radial movement mechanism includes: a radial drive motor, a transmission assembly, and a second mounting part. The radial drive motor is fixedly mounted on the rotary drive mechanism, and the second mounting part is movably mounted on the rotary drive mechanism. The transmission assembly is connected to the radial drive motor and the second mounting part respectively. The second mounting part moves linearly under the cooperation of the radial drive motor and the transmission assembly. The second mounting part is connected to the laser cutting device.

[0007] In another preferred embodiment, the transmission assembly includes: a first rotating part, a second rotating part, a fixed base, and a lead screw. The first rotating part is fixedly connected to the radial drive motor, the second rotating part is fixedly connected to one end of the lead screw, and the other end of the lead screw is rotatably mounted on the fixed base. The fixed base is fixed to the rotary drive mechanism, and a threaded channel is formed on one side of the second mounting part, which matches the lead screw.

[0008] In another preferred embodiment, the rotary drive mechanism is provided with a rectangular through slot, the length direction of the rectangular through slot is arranged along the linear motion direction, the radial moving mechanism is arranged above the rectangular through slot, the laser cutting device is fixedly connected to the lower part of the radial moving mechanism, the upper part of the laser cutting device is movably arranged in the rectangular through slot, and the lower part of the laser cutting device extends downward and is provided with a laser output end.

[0009] The present invention also provides a laser cutting system, including the laser cutting follow-up device described in any one of the above, and further including: a robot and a robotic arm, wherein the robotic arm is mounted on the robot, the robot is used to control the movement of the robotic arm, and the robotic arm is fixedly connected to the rotary drive mechanism.

[0010] In another preferred embodiment, the laser cutting follower has eight degrees of freedom.

[0011] In another preferred embodiment, the robotic arm is a six-axis robotic arm.

[0012] In another preferred embodiment, the end of the robotic arm is provided with a flange structure, which is fixedly connected to the rotary drive mechanism.

[0013] The present invention, by adopting the above-mentioned technical solution, has the following positive effects compared with the prior art: by applying the present invention, a compact and easy-to-assemble laser cutting device is provided, and at least two degrees of freedom are provided for the output end of the laser cutting device for cutting adjustment, thereby improving the laser cutting accuracy and speed, and facilitating assembly with a robot for high-precision control of the cutting trajectory. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a laser cutting follower device according to the present invention.

[0015] In the attached image:

[0016] 1. Rotary drive mechanism; 2. Radial movement mechanism; 3. Laser cutting device; 11. First mounting part; 12. Drive pinion; 13. Driven large gear; 14. Rotary drive motor; 15. Limiting through slot; 21. Radial drive motor; 22. Transmission assembly; 23. Second mounting part; 24. Rectangular through slot; 4. Robotic arm; 5. Flange structure. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the scope of the invention.

[0018] like Figure 1 As shown, a preferred embodiment of a laser cutting follower device is illustrated, comprising: a rotary drive mechanism 1, a radial movement mechanism 2, and a laser cutting device 3. The radial movement mechanism 2 is mounted on the rotary drive mechanism 1, and the rotary drive mechanism 1 is used to drive the radial movement mechanism 2 to rotate. The laser cutting device 3 is mounted on the radial movement mechanism 2, and the radial movement mechanism 2 is used to drive the laser cutting device 3 to perform linear motion.

[0019] Furthermore, as a preferred embodiment, the linear motion is arranged radially along the driven large gear.

[0020] Furthermore, as a preferred embodiment, the aforementioned rotation is arranged around the central axis of the driven large gear.

[0021] Furthermore, as a preferred embodiment, the aforementioned linear motion direction is preferably set perpendicular to the rotation axis of the rotation.

[0022] Furthermore, as a preferred embodiment, the radial moving mechanism rotates around a defined circle, and the laser cutting device 3 moves linearly along the radial direction of the defined circle.

[0023] Furthermore, as a preferred embodiment, the rotary drive mechanism 1 includes: a first mounting part 11, a drive pinion 12, a driven gear, and a rotary drive motor 14. A limiting groove 15 is provided on the first mounting part 11, and a driven gear is rotatably mounted in the limiting groove 15. The rotary drive motor 14 is fixedly mounted on the first mounting part 11, and the output end of the rotary drive motor 14 is fixedly connected to the drive pinion 12. The drive pinion 12 is connected to the driven gear in a transmission manner, and the radial movement mechanism 2 is mounted on the driven gear.

[0024] Furthermore, as a preferred embodiment, the bottom of the middle part of the limiting groove 15 is provided to form an opening, which is directly opposite the bottom of the rectangular groove.

[0025] Furthermore, as a preferred embodiment, the limiting through groove 15 is provided with a first annular limiting groove, and a plurality of balls are provided in the first annular limiting groove. A boss is provided on the driven large gear, and a second annular limiting groove is provided on the boss in the circumferential direction. The first annular limiting groove and the second annular limiting groove are rotatably connected by a plurality of balls.

[0026] Furthermore, as a preferred embodiment, the radial movement mechanism 2 includes: a radial drive motor 21, a transmission assembly 22, and a second mounting part 23. The radial drive motor 21 is fixedly mounted on the rotary drive mechanism 1, and the second mounting part 23 is movably mounted on the rotary drive mechanism 1. The transmission assembly 22 is connected to the radial drive motor 21 and the second mounting part for transmission. The second mounting part 23 moves linearly under the cooperation of the radial drive motor 21 and the transmission assembly 22. The second mounting part 23 is connected to the laser cutting device 3.

[0027] Furthermore, as a preferred embodiment, the transmission assembly 22 includes: a first rotating part, a second rotating part, a fixed seat, and a lead screw. The first rotating part is fixedly connected to the radial drive motor 21, the second rotating part is fixedly connected to one end of the lead screw, and the other end of the lead screw is rotatably mounted on the fixed seat. The fixed seat is fixed to the rotary drive mechanism 1. A threaded channel is formed on one side of the second mounting part 23, and the threaded channel matches the lead screw.

[0028] Furthermore, as a preferred embodiment, a rectangular through groove 24 is provided on the rotary drive mechanism 1. The length direction of the rectangular through groove 24 is arranged along the linear motion direction. The radial moving mechanism 2 is arranged above the rectangular through groove 24. The laser cutting device 3 is fixedly connected to the lower part of the radial moving mechanism 2. The upper part of the laser cutting device 3 is movably arranged in the rectangular through groove 24. The lower part of the laser cutting device 3 extends downward and is provided with a laser output end.

[0029] Furthermore, as a preferred embodiment, the rectangular through slot 24 is formed on the driven large gear.

[0030] Furthermore, as a preferred embodiment, the length direction of the rectangular through slot 24 is arranged along the radial direction of the driven large gear.

[0031] Furthermore, as a preferred embodiment, two slide rails are provided on the inner wall of the rectangular through groove 24, the two slide rails are arranged opposite each other, and the two slide rails are respectively arranged on the two inner walls of the rectangular through groove 24 along the length direction. A slider is provided on the upper part of the laser cutting device 3, and the slider is slidably connected to the slide rail.

[0032] Furthermore, as a preferred embodiment, the laser cutting device 3 includes: a mounting body, a floating mechanism, a cutting device body, and a cutting head. The mounting body is fixedly mounted on the second mounting part 23. The floating mechanism passes through the second mounting part 23 and is fixedly connected to the mounting body. The cutting device body is mounted on the output end of the floating mechanism in an adjustable manner. The cutting head is fixedly mounted on the lower end of the cutting device body.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the implementation and protection scope of the present invention.

[0034] In addition to the above, the present invention also has the following embodiments:

[0035] A laser cutting system includes a laser cutting follow-up device according to any one of the above, and further includes a robot and a robotic arm 4, wherein the robotic arm 4 is mounted on the robot, the robot is used to control the movement of the robotic arm 4, and the robotic arm 4 is fixedly connected to a rotary drive mechanism 1.

[0036] In a further embodiment of the present invention, the laser cutting follower device has eight degrees of freedom. Furthermore, the robot's robotic arm 4 has six degrees of freedom, while the laser cutting follower device itself has two degrees of freedom: one rotational degree of freedom and one translational degree of freedom.

[0037] In a further embodiment of the present invention, the robotic arm 4 is a six-axis robotic arm 4.

[0038] In a further embodiment of the present invention, a flange structure 5 is provided at the end of the robotic arm 4, and the flange structure 5 is fixedly connected to the rotary drive mechanism 1.

[0039] In a further embodiment of the present invention, the outer side of the first mounting part 11 is fixedly connected to the flange structure 5.

[0040] The above description is merely a preferred embodiment of the present invention and does not limit the implementation and protection scope of the present invention. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present invention should be included within the protection scope of the present invention.

Claims

1. A laser cutting follower device, characterized in that, include: The system includes a rotary drive mechanism, a radial moving mechanism, and a laser cutting device. The radial moving mechanism is mounted on the rotary drive mechanism and is used to drive the radial moving mechanism to rotate. The laser cutting device is mounted on the radial moving mechanism and is used to drive the laser cutting device to perform linear motion. The rotary drive mechanism includes: a first mounting part, a drive pinion, a driven gear, and a rotary drive motor. The first mounting part is provided with a limiting slot, in which a driven gear is rotatably mounted. The rotary drive motor is fixedly mounted on the first mounting part, and the output end of the rotary drive motor is fixedly connected to the drive pinion. The drive pinion is driven by the driven gear. The radial movement mechanism is mounted on the driven gear. The linear motion is arranged radially along the driven large gear; the rotation of the radial moving mechanism is arranged around the central axis of the driven large gear. The rotary drive mechanism is provided with a through groove, the length direction of the through groove is along the linear motion direction, the radial moving mechanism is provided above the through groove, the laser cutting device is fixedly connected to the lower part of the radial moving mechanism, the upper part of the laser cutting device is movably provided in the through groove, and the lower part of the laser cutting device extends downward and is provided with a laser output end; The limiting through groove is provided with a first annular limiting groove, and a number of balls are provided in the first annular limiting groove. A boss is provided on the driven large gear, and a second annular limiting groove is provided along the circumferential direction on the boss. The first annular limiting groove and the second annular limiting groove are rotatably connected by a number of balls.

2. The laser cutting follower device according to claim 1, characterized in that, The radial movement mechanism includes a radial drive motor, a transmission assembly, and a second mounting part. The radial drive motor is fixedly mounted on the rotary drive mechanism, and the second mounting part is movably mounted on the rotary drive mechanism. The transmission assembly is connected to the radial drive motor and the second mounting part respectively. The second mounting part moves linearly under the cooperation of the radial drive motor and the transmission assembly. The second mounting part is connected to the laser cutting device.

3. The laser cutting follower device according to claim 2, characterized in that, The transmission assembly includes: a first rotating part, a second rotating part, a fixed base, and a lead screw. The first rotating part is fixedly connected to the radial drive motor. The second rotating part is fixedly connected to one end of the lead screw. The other end of the lead screw is rotatably mounted on the fixed base. The fixed base is fixed to the rotary drive mechanism. A threaded channel is formed on one side of the second mounting part, and the threaded channel matches the lead screw.

4. A laser cutting system, comprising the laser cutting follow-up device as described in any one of claims 1 to 3, characterized in that, Also includes: A robot and a robotic arm, wherein the robotic arm is mounted on the robot, the robot is used to control the movement of the robotic arm, and the robotic arm is fixedly connected to the rotary drive mechanism.

5. The laser cutting system according to claim 4, characterized in that, The laser cutting follower device has eight degrees of freedom.

6. The laser cutting system according to claim 5, characterized in that, The robotic arm is a six-axis robotic arm.

7. The laser cutting system according to claim 4, characterized in that, The end of the robotic arm is provided with a flange structure, which is fixedly connected to the rotary drive mechanism.

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