CN219234284U - Laser cutting system - Google Patents

Abstract

The utility model provides a laser cutting system, which comprises a workpiece table, two workpiece X-direction positioning and overturning devices, a linear driving assembly, a sliding table, a rotating disc, a rotating driving assembly, an X-direction positioning assembly, a chuck driving assembly and a clamping assembly, wherein the workpiece table is used for vertically supporting a workpiece and can be lifted along the Z direction, the workpiece X-direction positioning and overturning devices are arranged on two sides of the length direction of the workpiece, the workpiece X-direction positioning and overturning devices comprise a linear driving assembly, a sliding table, a rotating disc, a rotating driving assembly, an X-direction positioning assembly, a chuck driving assembly and a clamping assembly, the rotating disc and the rotating driving assembly are arranged on the sliding table, the X-direction positioning assembly, the clamping assembly and the chuck driving assembly are arranged on the rotating disc, the chuck driving assembly is used for driving the clamping assembly to release or clamp the workpiece, the linear driving assembly is used for driving the sliding table to slide so as to enable the X-direction positioning assembly, the chuck driving assembly and the clamping assembly to be close to or far away from the workpiece, the rotating driving assembly is used for driving the rotating disc to rotate so as to drive the clamping assembly to rotate, and the robot device is used for carrying out laser cutting on the workpiece. The utility model can improve the efficiency.

Description

Laser cutting system

Technical Field

The utility model relates to the technical field of laser cutting, in particular to a laser cutting system.

Background

With the rapid development of modern industry, the product categories are more and more abundant, and the single flow line production mode is more and more incapable of meeting the individual demands of people on the products. Therefore, the technical equipment capable of further meeting the flexible production and processing of various products is developed. In the technical field of laser cutting, most of processing equipment is a plane laser cutting machine and artificial plasma cutting, and three-dimensional laser cutting machines are also arranged. However, in the processing of large workpieces such as floors, the upper surface and the lower surface of the floors need to be cut respectively, so that the floors need to be turned over, the existing turning over mode mostly adopts a roller type turning structure to turn over the workpieces, and the floor area is large and the time consumption is long.

Therefore, improvements to existing laser cutting systems are needed to improve the problems of large footprint and long time consumption of laser cutting systems.

Disclosure of Invention

The utility model aims to provide a laser cutting system so as to solve the problems of large occupied area and long time consumption of the existing laser cutting system.

In order to solve the technical problems, the utility model provides a laser cutting system, which is used for cutting a workpiece and comprises a workpiece table, a workpiece X-direction positioning and overturning device and a robot device, wherein the workpiece table is used for vertically supporting the workpiece, the workpiece table can be lifted along the Z direction, the number of the workpiece X-direction positioning and overturning devices is two, the two workpiece X-direction positioning and overturning devices are arranged on two sides of the length direction of the workpiece, the workpiece X-direction positioning and overturning device comprises a linear driving assembly, a sliding table, a rotating disc, a rotating driving assembly, an X-direction positioning assembly, a chuck driving assembly and a clamping assembly, the rotating disc and the rotating driving assembly are arranged on the sliding table, the X-direction positioning assembly, the clamping assembly and the chuck driving assembly are arranged on the rotating disc, the chuck driving assembly is used for driving the clamping assembly to release or clamp the workpiece, the linear driving assembly is used for driving the sliding table to slide so that the X-direction positioning assembly, the chuck driving assembly and the clamping assembly are close to or far away from the workpiece, the rotating driving assembly is used for driving the rotating disc to rotate so as to drive the rotating disc to rotate, and the robot device is used for cutting the workpiece.

Optionally, the workpiece X-direction positioning and overturning device further comprises a horizontal driving assembly and a Y-direction positioning assembly, wherein the horizontal driving assembly drives the Y-direction positioning assembly to be close to or far away from the workpiece, and the moving track of the Y-direction positioning assembly is perpendicular to the moving track of the X-direction positioning assembly.

Optionally, the number of the horizontal driving component and the Y-direction positioning component is two, and the two groups of the horizontal driving component and the Y-direction positioning component are respectively positioned at two sides of the width direction of the workpiece.

Optionally, the robot device includes robot, laser cutting head and location subassembly of shooing, the laser cutting head sets up on the arm of robot, the location subassembly of shooing is including setting up lower part camera on the arm of robot, lower part camera is used for gathering the image information of work piece lower surface, the laser cutting system still includes image processing device, image processing device is used for according to the image information that lower part camera gathered is located the position of laser cutting head, the laser cutting head is used for right the upper surface of work piece is cut.

Optionally, the photographing positioning assembly further comprises an upper camera, a positioning mark is arranged on the front side or the back side of the workpiece, one of the upper camera and the lower camera is used for collecting image information of the positioning mark on the surface of the workpiece, and the image processing device is used for positioning the position of the laser cutting head according to the collected image information.

Optionally, the robot device further comprises a laser distance measuring assembly for measuring a distance from the upper camera or the lower camera to the surface of the workpiece.

Optionally, the shooting location assembly further comprises two groups of dustproof air cylinders and dustproof baffles, the dustproof air cylinders are arranged on the arm of the robot, one group of dustproof air cylinders are used for driving one group of dustproof baffle covers to be arranged or far away from the upper camera, and the other group of dustproof air cylinders are used for driving the other group of dustproof baffle covers to be arranged or far away from the lower camera.

Optionally, the number of the robot devices is four, and two robot devices are arranged on two sides of the width direction of the workpiece in a group.

Optionally, the robot further comprises two sets of running devices, the two sets of running devices are respectively arranged on two sides of the width direction of the workpiece, the two sets of robots are respectively arranged on the two sets of running devices, and the running devices are used for driving the robot devices to move.

Optionally, the robot device further comprises an automatic height adjusting component, and the laser cutting head is installed on an arm of the robot through the automatic height adjusting component.

The laser cutting system provided by the utility model has the following beneficial effects:

the linear driving assembly drives the sliding table to slide so as to enable the chuck driving assembly and the clamping assembly to be close to or far away from the workpiece, so that after the chuck driving assembly and the clamping assembly are close to the workpiece, the clamping assembly is driven by the chuck driving assembly to clamp the workpiece, and further after the workpiece table descends downwards along Z, the rotating disc is driven by the rotary driving assembly to rotate so as to drive the workpiece clamped by the clamping assembly to rotate, the workpiece is turned over, after the workpiece is turned over, the workpiece table ascends upwards along Z to vertically support the workpiece, the clamping assembly is driven by the chuck driving assembly to release the workpiece, the sliding table is driven by the linear driving assembly to slide so as to enable the rotating disc and the rotary driving assembly to horizontally move, the X-direction positioning assembly is close to or far away from the workpiece, the X-direction positioning turning devices are arranged on two sides of the workpiece in the length direction, and therefore, the workpiece can be positioned in one horizontal direction by the X-direction positioning assemblies on the two sides of the length direction of the workpiece, and even if the workpiece is machined by a machine, the workpiece can be conveniently machined by a person; according to the embodiment, the workpiece can be automatically turned over and positioned, the two sides of the workpiece can be processed, the automation degree is high, the occupied area can be saved, and compared with the prior turning equipment, the time for turning over the workpiece is short, so that the production takt is increased.

Drawings

FIG. 1 is a schematic perspective view of a laser cutting system according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partially enlarged construction of the laser cutting system of FIG. 1;

FIG. 3 is a schematic view of a traveling device in a laser cutting system according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a robot apparatus in a laser cutting system according to an embodiment of the present utility model;

fig. 5 is a partially enlarged structural schematic view of the robot apparatus in the laser cutting system of fig. 4.

Reference numerals illustrate:

100-a workpiece stage;

200-a workpiece X-direction positioning and overturning device; 210-a sliding table; 220-rotating disc; 230-a rotary drive assembly; 240-a clamping assembly; 250-Y direction positioning component;

300-robotic device; 310-robot; 320-a laser cutting head; 331-lower camera; 332-upper camera; 333-dustproof baffle; 340-a laser distance measurement assembly; 350-an automatic elevation adjustment assembly; 360-anti-collision assembly;

400-positioning marks;

500-walking device.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2, 3, 4 and 5, fig. 1 is a schematic perspective view of a laser cutting system according to an embodiment of the present utility model, fig. 2 is a schematic view of a partially enlarged structure of the laser cutting system according to fig. 1, fig. 3 is a schematic view of a traveling device 500 of the laser cutting system according to an embodiment of the present utility model, fig. 4 is a schematic view of a robot device 300 of the laser cutting system according to an embodiment of the present utility model, fig. 5 is a schematic view of a partially enlarged structure of the robot device 300 of the laser cutting system according to an embodiment of the present utility model, the present embodiment provides a laser cutting system for cutting a workpiece, including a workpiece stage 100, a workpiece X-direction positioning and turning device 200, and a robot device 300, the workpiece stage 100 being for vertically supporting the workpiece and the workpiece stage 100 being vertically movable in a Z-direction, the number of the workpiece X-direction positioning and turning devices 200 being two, and two workpiece X-direction positioning and turning devices 200 are disposed on two sides of the length direction of the workpiece, the workpiece X-direction positioning and turning device 200 comprises a linear driving assembly, a sliding table 210, a rotating disk 220, a rotation driving assembly 230, an X-direction positioning assembly, a chuck driving assembly, and a clamping assembly 240, wherein the rotating disk 220 and the rotation driving assembly 230 are disposed on the sliding table 210, the X-direction positioning assembly, the clamping assembly 240 and the chuck driving assembly are disposed on the rotating disk 220, the chuck driving assembly is used for driving the clamping assembly 240 to release or clamp the workpiece, the linear driving assembly is used for driving the sliding table 210 to slide so that the X-direction positioning assembly, the chuck driving assembly and the clamping assembly 240 are close to or far from the workpiece, the rotation driving assembly 230 is used for driving the rotating disk 220 to rotate so as to drive the clamping assembly 240 to rotate, the robotic device 300 is configured to laser cut the workpiece.

The linear driving assembly drives the sliding table 210 to slide so as to enable the chuck driving assembly and the clamping assembly 240 to approach or separate from the workpiece, so that after the chuck driving assembly and the clamping assembly 240 approach the workpiece, the clamping assembly 240 is driven by the chuck driving assembly to clamp the workpiece, and further after the workpiece table 100 descends downwards along Z, the rotating disc 220 is driven by the rotating driving assembly 230 to rotate so as to drive the workpiece clamped by the clamping assembly 240 to rotate, the workpiece is turned over, after the workpiece is turned over, the workpiece table 100 lifts up vertically along Z to support the workpiece, and drives the clamping assembly 240 to release the workpiece through the chuck driving assembly, and then drives the sliding table 210 to slide so as to enable the rotating disc 220 and the rotating driving assembly 230 to move horizontally, so that the X-direction positioning assembly approaches or separates from the workpiece, the number of the X-direction positioning turning devices 200 is two, and the two X-direction positioning turning devices 200 are arranged on two sides of the length direction of the workpiece, therefore, the workpiece table 100 can be turned over vertically along Z-direction, the workpiece is driven by the X-direction positioning assemblies on two sides of the length direction of the workpiece, the workpiece is approaching or separates from the workpiece, the workpiece positioning devices 300 can be positioned horizontally by a robot, and a workpiece 300 can be positioned horizontally, and a workpiece can be machined by a robot, and a workpiece 300 can be positioned horizontally, and a workpiece 300 can be machined, a machine is conveniently; the embodiment can realize automatic overturning and positioning of the workpiece, can process two sides of the workpiece, has high automation degree and efficiency, can save occupied area and has short overturning time.

Referring to fig. 1 and 2, the workpiece X-directional positioning and turning device 200 further includes a horizontal driving assembly and a Y-directional positioning assembly 250, the horizontal driving assembly drives the Y-directional positioning assembly 250 to approach or separate from the workpiece, and a moving track of the Y-directional positioning assembly 250 is perpendicular to a moving track of the X-directional positioning assembly, so that the workpiece can be positioned in two mutually perpendicular directions, so that a position of the workpiece in a horizontal plane is unchanged.

The number of the horizontal driving assemblies and the Y-direction positioning assemblies 250 is two, and the two groups of the horizontal driving assemblies and the Y-direction positioning assemblies 250 are respectively positioned at two sides of the width direction of the workpiece.

Referring to fig. 4, the robot apparatus 300 includes a robot 310, a laser cutting head 320, and a photographing positioning assembly, the laser cutting head 320 is disposed on an arm of the robot 310, the photographing positioning assembly includes a lower camera 331 disposed on the arm of the robot 310, the lower camera 331 is configured to collect image information of a lower surface of the workpiece, the laser cutting system further includes an image processing device configured to position the laser cutting head 320 according to the image information collected by the lower camera 331, and the laser cutting head 320 is configured to cut an upper surface of the workpiece.

Referring to fig. 4 and 5, the photographing and positioning assembly further includes an upper camera 332, a positioning mark 400 is disposed on the front or back of the workpiece, one of the upper camera 332 and the lower camera 331 is used for acquiring image information of the positioning mark 400 on the surface of the workpiece, and the image processing device is used for positioning the position of the laser cutting head 320 according to the acquired image information.

Referring to fig. 4 and 5, the robot apparatus 300 further includes a laser distance measuring unit 340, wherein the laser distance measuring unit 340 is configured to measure a distance between the upper camera 332 or the lower camera 331 and the surface of the workpiece, so as to compensate a distance between the upper camera 332 and the surface of the workpiece or a distance between the lower camera 331 and the surface of the workpiece, and the height of each photographing of the upper camera 332 or the lower camera 331 is a set value (focal position) so as to ensure the photographing accuracy of the upper camera 332 or the lower camera 331.

Referring to fig. 4 and 5, the photographing positioning assembly further includes two sets of dustproof cylinders and dustproof baffles 333, the dustproof cylinders are disposed on the arm of the robot 310, one set of dustproof cylinders is used for driving one set of dustproof baffles 333 to cover or separate from the upper camera 332, and the other set of dustproof cylinders is used for driving the other set of dustproof baffles 333 to cover or separate from the lower camera 331.

The robotic device 300 also includes a laser generating assembly and a laser transmitting assembly, the laser generating assembly being coupled to the laser cutting head 320 via the laser transmitting assembly.

Referring to fig. 4 and 5, the robot apparatus 300 further includes an automatic height adjustment assembly 350, and the laser cutting head 320 is mounted on an arm of the robot 310 through the automatic height adjustment assembly 350, so that the height of the laser cutting head 320 can be adjusted according to the micro-distance change of the workpiece surface, so that the distance between the laser cutting head 320 and the workpiece surface is kept unchanged, and the laser processing quality is ensured.

Referring to fig. 4 and 5, the robot apparatus 300 further includes an anti-collision assembly 360, and the laser cutting head 320 and the photographing and positioning assembly are mounted on an arm of the robot 310 through the anti-collision assembly 360, so that when the laser cutting head 320 is collided by an external force, it is separated, a safety signal is outputted, and the device is started to stop suddenly, thereby preventing a greater loss from being caused to the device.

Referring to fig. 1, the number of the robot devices 300 is four, and two of the robot devices 300 are provided as a group on both sides in the width direction of the workpiece. The laser cutting system further comprises two sets of traveling devices 500, the two sets of traveling devices 500 are respectively arranged on two sides of the workpiece in the width direction, the two sets of robots 310 are respectively arranged on the two sets of traveling devices 500, and the traveling devices 500 are used for driving the robot device 300 to move.

In this embodiment, the workpiece is a floor slab, and the positioning mark 400 is a groove disposed in the middle of one surface of the floor slab.

In this embodiment, the process of processing the workpiece by the laser cutting system is as follows:

first, a workpiece is carried onto the workpiece stage 100 by a fully automatic spreader.

Then, the sliding table 210 is driven to slide by the linear driving assembly so as to enable the X-direction positioning assembly, the chuck driving assembly and the clamping assembly 240 to approach the workpiece, and then the position of the workpiece X-direction is positioned by matching the linear driving assemblies of the two workpiece X-direction positioning and overturning devices 200. Then, the horizontal driving assemblies in the two groups of horizontal driving assemblies and the Y-direction positioning assembly 250 drive the Y-direction positioning assembly 250 to approach the workpiece so as to position the workpiece in the Y direction, so that the position of the workpiece in the horizontal plane is unchanged.

Then, one of the four robots 310 moves to the position mark 400 by the traveling device 500, photographs the position mark 400 with one of the upper camera 332 or the lower camera 331, collects image information with the upper camera 332 when the position mark 400 is on the front surface of the workpiece, and collects image information with the lower camera 331 when the position mark 400 is on the rear surface of the workpiece. Specifically, the robot 310 moves to a position where the groove on the workpiece can be photographed, then the robot 310 moves the photographing camera to the photographing position of the workpiece according to the debugged photographing track, before photographing, the distance between the photographing camera and the workpiece is measured and compensated by the laser distance measuring component 340, the height of each camera photographing is guaranteed to be a set value (camera focus position), so that the photographing resolution of the photographing camera is guaranteed, and the positioning accuracy of the camera is guaranteed.

Then, the image processing device calculates the center reference coordinates of the front side cutting of the product according to the image information acquired by photographing, and sends the reference coordinates to the four robots 310, and the four robots 310 shift the cutting track according to the reference coordinates and execute the cutting track with the laser cutting head 320 to finish the processing of the front side of the workpiece.

After that, after the front surface processing of the workpiece is completed, the four robots 310 move to the respective origins.

Then, the workpiece is turned 180 ° by the workpiece X-direction positioning turning device 200, with the reverse side of the workpiece facing upward and positioned for a second time. Specifically, the chuck driving assembly drives the clamping assembly 240 to clamp the workpiece, then the horizontal driving assembly of the two sets of horizontal driving assemblies and the Y-direction positioning assembly 250 drives the Y-direction positioning assembly 250 to be far away from the workpiece, then the workpiece table 100 descends, then the rotating disc 220 is driven to rotate by the rotating driving assembly 230 to drive the workpiece clamped by the clamping assembly 240 to rotate, so as to realize the overturning of the workpiece, then the workpiece table 100 vertically supports the workpiece in the Z direction after the workpiece overturning is completed, then the clamping assembly 240 is driven to release the workpiece, then the sliding table 210 is driven by the linear driving assembly to slide so as to enable the rotating disc 220 and the rotating driving assembly 230 to horizontally move, thereby enabling the X-direction positioning assembly to be close to or far away from the workpiece, enabling the workpiece to be close to or far away from the workpiece by the X-direction positioning assembly on two sides of the length direction of the workpiece, and afterwards the Y-direction positioning assembly 250 is driven by the horizontal driving assembly of the two sets of horizontal driving assemblies to be close to the workpiece, so as to position the workpiece in the Y-direction, so that the workpiece can be positioned in the Y-direction, and the workpiece can not be overturned in the horizontal plane again.

Then, the four robots 310 move to the positions to be photographed according to the set photographing trajectories. Before photographing and positioning, the laser distance measuring assembly 340 detects the photographing height of the camera and compensates the photographing height of the camera, and then the robot 310 invokes the lower camera 331 to photograph the right-angle feature points of the front face which have been cut, thereby calculating the offset of the cutting track of the back face.

Then, the four robots 310 perform overall offset on the cutting track of the robots 310 according to the offset obtained by the photographing and positioning assembly, and perform the offset cutting track path to complete the back side cutting, so that the wrong edges of the front side cutting line and the back side cutting line can be avoided.

The main processing contents of the laser cutting system are workpiece front and back side frames blanking, floor slab middle round holes, waist-shaped Kong Laliao, side frame cutting and the like.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a laser cutting system for cut the work piece, its characterized in that includes work piece platform, work piece X to location and turning device, robot device, the work piece platform is used for vertical support work piece just the work piece platform can be followed Z and is gone up and down, work piece X is to location turning device's quantity is two, and two work piece X is to location turning device sets up the both sides of work piece length direction, work piece X is to location turning device includes linear drive subassembly, slip table, rotary disk, rotary drive subassembly, X is to location subassembly, chuck drive subassembly, clamping assembly, rotary disk with the rotary drive subassembly sets up on the slip table, X is to location subassembly clamping assembly with the setting of chuck drive subassembly is in on the rotary disk, chuck drive subassembly is used for the drive clamping assembly releases or presss from both sides the work piece, linear drive subassembly is used for the drive slip so that X is to location subassembly the chuck drive subassembly with the clamping assembly is close to or keeps away from the work piece, rotary drive subassembly is used for the drive rotary disk is rotatory, robot device is used for carrying out laser cutting to the work piece.

2. The laser cutting system of claim 1, wherein the workpiece X-direction positioning and flipping device further comprises a horizontal drive assembly and a Y-direction positioning assembly, the horizontal drive assembly driving the Y-direction positioning assembly toward or away from the workpiece, the movement track of the Y-direction positioning assembly being perpendicular to the movement track of the X-direction positioning assembly.

3. The laser cutting system of claim 2, wherein the number of horizontal drive assemblies and Y-direction positioning assemblies is two, the two groups of horizontal drive assemblies and Y-direction positioning assemblies being located on either side of the workpiece in the width direction.

4. The laser cutting system of claim 1, wherein the robotic device comprises a robot, a laser cutting head and a photographing positioning assembly, the laser cutting head is disposed on an arm of the robot, the photographing positioning assembly comprises a lower camera disposed on the arm of the robot, the lower camera is used for acquiring image information of a lower surface of the workpiece, the laser cutting system further comprises an image processing device, the image processing device is used for positioning a position of the laser cutting head according to the image information acquired by the lower camera, and the laser cutting head is used for cutting an upper surface of the workpiece.

5. The laser cutting system of claim 4, wherein the photographing and positioning assembly further comprises an upper camera, the front or back of the workpiece is provided with positioning marks, one of the upper camera and the lower camera is used for acquiring image information of the positioning marks on the surface of the workpiece, and the image processing device is used for positioning the position of the laser cutting head according to the acquired image information.

6. The laser cutting system of claim 5, wherein the robotic device further comprises a laser distance measurement assembly for measuring a distance of the upper camera or the lower camera to the surface of the workpiece.

7. The laser cutting system of claim 5, wherein the photographing positioning assembly further comprises two sets of dust-proof air cylinders and dust-proof baffles, the dust-proof air cylinders being disposed on the arm of the robot, one set of dust-proof air cylinders being used to drive one set of dust-proof baffles to cover or separate from the upper camera, and the other set of dust-proof air cylinders being used to drive the other set of dust-proof baffles to cover or separate from the lower camera.

8. The laser cutting system of claim 4, wherein the number of robot means is four, and two of the robot means are provided as a group on both sides in the width direction of the workpiece.

9. The laser cutting system of claim 8, further comprising two sets of traveling devices, two sets of traveling devices being disposed on both sides of the workpiece in the width direction, and two sets of robots being disposed on the two sets of traveling devices, respectively, the traveling devices being configured to drive the robot devices to move.

10. The laser cutting system of claim 4, wherein the robotic device further comprises an auto-elevation assembly by which the laser cutting head is mounted on an arm of the robot.

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