CN117245208A

CN117245208A - Laser engraving track positioning device for large-format product

Info

Publication number: CN117245208A
Application number: CN202311056902.2A
Authority: CN
Inventors: 杨国锋
Original assignee: Ningbo Xintai Machinery Co Ltd
Current assignee: Ningbo Xintai Machinery Co Ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2023-12-19

Abstract

The invention relates to the technical field of laser engraving equipment, and discloses a laser engraving track positioning device for large-format products, which comprises a base, wherein a portal frame is arranged on the base; the mounting table is movably connected with the base; the positioning mechanism comprises a sliding component connected with the portal frame, a camera and an auxiliary structure, wherein the sliding component comprises an X axis and a Z axis, the X axis drives the camera and the auxiliary structure to move along the horizontal direction of the portal frame, the Z axis drives the camera and the auxiliary structure to move along the vertical direction of the portal frame, so that the camera can shoot the appearance of a product to form a processing track, and the auxiliary structure synchronously moves along with the camera and shines the shooting direction of the camera when the camera shoots; the driving mechanism comprises a first driving assembly and a second driving assembly to respectively drive the mounting table and the X axis and Z axis to move. The laser engraving track positioning device for the large-format product provided by the invention can be used for mobile photographing and polishing, and can be used for generating a high-precision processing track.

Description

Laser engraving track positioning device for large-format product

Technical Field

The invention belongs to the technical field of laser engraving equipment, and particularly relates to a laser engraving track positioning device for large-format products.

Background

Laser engraving is also called laser engraving or laser marking, and is a process for performing surface treatment by using an optical principle. Along with the increasing maturity of laser engraving technology, the laser engraving technology is widely applied to the marking of various products, however, in the laser engraving processing of large-format products, the processing precision is difficult to ensure due to the influence of the size and irregular shape of the products.

To this, it is proposed in the prior art that through setting up vision positioning system, take a picture the location to the product, produce comparatively accurate processing orbit, but big breadth product is because product surface radian is great on the one hand, can't realize the vision location of whole product through fixed angle of shooing, and on the other hand big breadth product is after the clamping, and partial position exists the condition that is sheltered from by relevant device for this department of product has the shade, thereby leads to the picture that the camera shot to exist the error, and then has reduced the precision of the processing orbit that produces after shooing.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a laser engraving track positioning device for large-format products, which is capable of taking a photo in a movable mode and polishing along with a photo motion track.

The invention can be realized by the following technical scheme, and the laser engraving track positioning device for large-format products comprises:

a base on which a gantry is provided;

the mounting table is arranged on the base and is movably connected with the base for placing products;

the positioning mechanism is arranged on the portal frame and comprises a sliding component which is connected with the portal frame and moves relative to the portal frame, a camera which is arranged on the sliding component, and an auxiliary structure which is connected with the sliding component and is adjacent to the camera, wherein the sliding component comprises an X axis and a Z axis, the X axis drives the camera and the auxiliary structure to move along the horizontal direction of the portal frame, the Z axis drives the camera and the auxiliary structure to move along the vertical direction of the portal frame, so that the camera can photograph the appearance of a product to form a processing track, and the auxiliary structure synchronously moves along with the camera and shines the photographing direction of the camera when the camera photographs;

the driving mechanism comprises a first driving component and a second driving component, wherein the first driving component is arranged between the mounting table and the base and is used for driving the mounting table to move, and the second driving component is arranged on the sliding component and is used for driving the X-axis and the Z-axis to move.

In the above-mentioned radium carving track positioner for big breadth product, auxiliary structure includes regulation pole and the luminous element of being connected with the regulation pole, wherein, adjusts pole and sliding component swivelling joint to drive the luminous element and wind the axial rotation of adjusting the pole, realize the regulation of polishing angle.

In the laser engraving track positioning device for the large-format product, the X axis is connected with the Z axis in a mutually perpendicular mode, wherein a first sliding rail for the horizontal movement of the Z axis is arranged on the X axis, a first sliding block which is in sliding connection with the first sliding rail is arranged on one side, facing the X axis, of the Z axis, a second sliding rail and a second sliding block which is in sliding connection with the second sliding rail are arranged on the other side of the Z axis, and the second sliding block is used for driving the camera and the auxiliary structure to move along the horizontal direction and/or the vertical direction of the portal frame.

In the foregoing radium carving track positioning device for large-format products, the second slider is provided with a connecting plate, the connecting plate extends far away from the Z-axis direction, one side of the connecting plate is detachably connected with the second slider, one end of the other side of the connecting plate is detachably connected with the camera, and the other end of the connecting plate is rotatably connected with the adjusting rod.

In the laser engraving track positioning device for the large-format product, a mounting frame is arranged between the camera and the second sliding block, one end of the mounting frame is detachably connected with the second sliding block, the other end of the mounting frame extends towards the direction away from the second sliding block, and a mounting groove for placing the camera is formed.

In the foregoing radium carving track positioner for big breadth product, second drive assembly includes first lead screw structure and second lead screw structure, this first lead screw structure sets up in the one side of X axle towards the Z axle, it runs through in first slider and is connected with first slider, this second lead screw structure sets up in the one side that the Z axle deviates from the X axle, it runs through in second slider and is connected with the second slider, wherein, when first lead screw structure corotation or reversal, can drive first slider and follow the length direction reciprocating motion of first slide rail, when second lead screw structure corotation or reversal, can drive second slider and follow the length direction reciprocating motion of second slide rail.

In the foregoing laser engraving track positioning device for large-format products, the second driving assembly further includes a driving motor, the driving motor is provided with two groups, an output end of one group is connected with the first screw structure, and an output end of the other group is connected with the second screw structure, so as to respectively drive the first screw structure and the second screw structure to move.

In the foregoing laser engraving track positioning device for large-format products, the first driving assembly includes a third slider disposed on a side of the mounting table facing the base, a third sliding rail (not shown) slidably connected to the third slider and disposed on the base, and a power source (not shown) connected to the third slider and driving the third slider to move along a length direction of the third sliding rail.

In the above-mentioned radium carving orbit positioner for big breadth product, still be provided with the mount between slip subassembly and the portal frame, this mount is including setting up in the vertical direction of portal frame's vertical pole to and set up in portal frame horizontal direction and with the horizontal pole that the vertical pole can dismantle the connection, wherein, the horizontal pole deviates from the one side of vertical pole and slip subassembly and can dismantle the connection.

In the laser engraving track positioning device for the large-format product, the mounting table is provided with the clamping assembly, the clamping assembly is detachably connected with the mounting table, the clamping assembly comprises a first fixing portion, a second fixing portion and a third fixing portion, and gaps exist among the first fixing portion, the second fixing portion and the third fixing portion.

Compared with the prior art, the invention has the following beneficial effects:

1. through setting up the slip subassembly that can remove relative portal frame to and the camera of being connected with slip subassembly, make the camera can follow the horizontal direction and the vertical direction removal of portal frame, realize that the camera is diversified to be shot, make the camera can carry out whole appearance to the large format product and shoot, and generate the processing orbit that is used for correcting, effectively enlarged the scope of shooing of camera, make the processing orbit that the camera produced after shooing more complete, comprehensive.

2. Through being provided with the auxiliary structure of being connected with sliding component in the adjacent side of camera to make auxiliary structure follow camera synchronous movement and polish the direction of shooing of camera when the camera is shot, and then make the picture of shooing of camera more clear, avoided the camera because shoot the processing track that product shadow department caused its to generate and error appear, effectively improved the precision of processing track.

3. Through setting up auxiliary structure into regulation pole and the luminous piece of rotatable coupling with slip subassembly, make luminous piece around the axial rotation of regulation pole to make luminous piece adjustable its contained angle between the product, and then realize the regulation of polishing angle, further richened the direction and the scope of polishing of this device.

4. The first driving component is arranged between the base and the mounting table, so that a product on the mounting table can move along the length direction of the base, and further the camera and the auxiliary structure can move along the Y-axis direction relative to the product, and the movement direction of the camera and the auxiliary structure is further increased.

Drawings

FIG. 1 is a schematic diagram of a laser engraving track positioning device according to an embodiment of the present invention.

FIG. 2 is an exploded view of a laser engraving track positioning device according to an embodiment of the present invention.

Fig. 3 is an enlarged view at a in fig. 2.

FIG. 4 is a cross-sectional view of an engraving track positioning device according to an embodiment of the present invention

Like reference numerals denote like technical features throughout the drawings, in particular: 100. a base; 110. a portal frame; 200. a mounting table; 300. a sliding assembly; 310. an X axis; 311. a first slide rail; 320. a Z axis; 321. a first slider; 322. a second slide rail; 323. a second slider; 330. a connecting plate; 340. a mounting frame; 341. a mounting groove; 400. a camera; 500. an auxiliary structure; 510. an adjusting rod; 520. a light emitting member; 600. a first drive assembly; 610. a third slider; 700. a second drive assembly; 710. a first lead screw structure; 720. a second lead screw structure; 730. a driving motor; 800. a fixing frame; 810. a longitudinal bar; 820. a cross bar; 900. clamping the assembly; 910. a first fixing portion; 920. a second fixing portion; 930. and a third fixing part.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 4, the laser engraving track positioning device for large-format products provided by the embodiment of the invention includes a base 100, a portal frame 110, an installation table 200, a sliding assembly 300, a camera 400, an auxiliary structure 500, a first driving assembly 600 and a second driving assembly 700.

As shown in the figure, the laser engraving track positioning device for the large-format product provided by the embodiment of the invention comprises:

a base 100 on which a gantry 110 is provided;

the mounting table 200 is arranged on the base 100, is movably connected with the base 100, and is used for placing a product and driving the product to move along the length direction of the base 100;

the positioning mechanism is arranged on the portal frame 110 and comprises a sliding component 300 which is connected with the portal frame 110 and moves relative to the portal frame 110, a camera 400 which is arranged on the sliding component 300, and an auxiliary structure 500 which is connected with the sliding component 300 and is adjacent to the camera 400, wherein the sliding component 300 comprises an X-axis 310 and a Z-axis 320, the X-axis 310 drives the camera 400 and the auxiliary structure 500 to move along the horizontal direction of the portal frame 110, the Z-axis 320 drives the camera 400 and the auxiliary structure 500 to move along the vertical direction of the portal frame 110, so that the camera 400 can shoot the appearance of a product to form a processing track, and the auxiliary structure 500 synchronously moves along with the camera 400 and shines the shooting direction of the camera 400 when the camera 400 shoots, so that on one hand, the mobile shooting range of the camera 400 is larger, the processing track is more complete and accurate, and on the other hand, the shooting picture of the camera 400 is clearer by synchronously shining a shooting object when the camera 400 shoots, so that the accuracy of the processing track is improved;

the driving mechanism comprises a first driving component 600 and a second driving component 700, wherein the first driving component 600 is arranged between the mounting table 200 and the base 100 and is used for driving the mounting table 200 to move so as to realize the longitudinal movement of a product, and the second driving component 700 is arranged on the sliding component 300 and is used for driving the X-axis 310 and the Z-axis 320 to move so as to realize the movable multi-azimuth photographing of the single camera 400 and the movable multi-azimuth lighting of the auxiliary structure 500.

Specifically, in this embodiment, as shown in fig. 1, the base 100 is a rectangular block that is horizontally disposed, a vertically disposed gantry 110 is disposed at a center of the rectangular block, the gantry 110 has a cavity through which the mounting table 200 passes, wherein the base 100 is further provided with a mounting table 200 for placing a product, the mounting table 200 is movably connected with the base 100 through a first driving assembly 600, and a width of the mounting table 200 is smaller than a width of the cavity of the gantry 110, so as to drive the product to move along a length direction of the base 100, thereby realizing relative movement of the camera 400, and realizing multi-azimuth photographing in an X-axis 310 direction, a Z-axis 320 direction, and a Y-axis direction in cooperation with the camera 400.

For better clamping of products, in this embodiment, the mounting table 200 is provided with a clamping assembly 900, and the clamping assembly 900 is detachably connected with the mounting table 200, so that installation and later maintenance are facilitated, and when different products need different clamping assemblies 900, different clamping assemblies 900 can be replaced conveniently, so that the universality of the device is improved.

In this embodiment, the clamping assembly 900 includes the first fixing portion 910, the second fixing portion 920 and the third fixing portion 930 that are horizontally arranged in sequence, and gaps exist between the three, so that the clamping assembly 900 can be adjusted adaptively according to the product specification, when the product is smaller, the gaps between the three can be reduced, and when the product is larger, the gaps between the three can be increased, so as to adapt to the size of the product, and the adaptability of the device is effectively improved.

As shown in fig. 1 to 3, in this embodiment, in order to correct the processing track of a product, a positioning mechanism for visual positioning is further provided on the gantry 110, which includes a sliding component 300 connected to the gantry 110 through a fixing frame 800 and moving relative to the gantry 110, a 2D or 3D camera 400 provided on the sliding component 300, and an auxiliary structure 500 connected to the sliding component 300 and adjacent to the camera 400, where the sliding component 300 includes an X-axis 310 and a Z-axis 320, the X-axis 310 drives the camera 400 and the auxiliary structure 500 to move along the horizontal direction of the gantry 110, the Z-axis 320 drives the camera 400 and the auxiliary structure 500 to move along the vertical direction of the gantry 110, and by moving in cooperation with the mounting table 200, the camera 400 can photograph the product in multiple directions to form the processing track, so as to correct the original processing track, and the auxiliary structure 500 moves synchronously with the camera 400 and shines the photographing direction of the camera 400, so that the photographed image of the camera 400 is clearer, and the processing track error generated by the shadow of the camera 400 is avoided.

In this embodiment, the X-axis 310 is connected with the Z-axis 320 in a mutually perpendicular manner, wherein the X-axis 310 is provided with a first sliding rail 311 for the Z-axis 320 to move horizontally in the direction of the Z-axis 320, the first sliding rail 311 extends along the length direction of the X-axis 310, one side of the Z-axis 320, which faces the X-axis 310, is provided with a first sliding block 321 slidably connected with the first sliding rail 311, the other side is provided with a second sliding rail 322 and a second sliding block 323 slidably connected with the second sliding rail 322, the second sliding rail 322 extends along the length direction of the Z-axis 320, so as to drive the camera 400 and the auxiliary structure 500 to move along the horizontal direction and/or the vertical direction of the gantry 110, thereby realizing multi-azimuth photographing of the camera 400 and multi-azimuth polishing of the auxiliary structure 500, and effectively expanding the photographing range of the camera 400 and the polishing range of the auxiliary structure 500.

As shown in fig. 3, in the present embodiment, the second slider 323 is provided with a connecting plate 330, and the connecting plate 330 extends in a direction away from the Z axis 320, and is L-shaped, one surface of the connecting plate is detachably connected to the second slider 323, one end of the other surface is detachably connected to the camera 400, and the other end is rotatably connected to the adjusting lever 510, so that the assembly, disassembly and later maintenance can be facilitated.

For better placement of the camera 400, in this embodiment, a mounting frame 340 is disposed between the camera 400 and the second slider 323, one end of the mounting frame 340 is detachably connected to the second slider 323, the other end extends away from the second slider 323, and a mounting groove 341 is formed for placing the camera 400, and the mounting groove 341 can form protection for the camera 400.

In order to adjust the height direction of the sliding assembly 300, in this embodiment, a fixing frame 800 is further disposed between the sliding assembly 300 and the gantry 110, the fixing frame 800 includes a vertical rod 810 disposed in the vertical direction of the gantry 110, and a cross rod 820 disposed in the horizontal direction of the gantry 110 and detachably connected to the vertical rod 810, where the cross rod 820 can be connected to different heights of the vertical rod 810 according to actual needs, and one surface of the cross rod 820 facing away from the vertical rod 810 is detachably connected to the X-axis 310, so as to facilitate later maintenance.

As shown in fig. 1 and fig. 3, in this embodiment, in order to adjust the polishing angle, the auxiliary structure 500 includes an adjusting rod 510 and a light emitting member 520 connected to the adjusting rod 510, where the adjusting rod 510 is rotatably connected to the connecting plate 330, so as to drive the light emitting member 520 to rotate around the axis of the adjusting rod 510, so that the included angle between the light emitting member 520 and a product can be adjusted, and further, the polishing angle is adjusted, thereby further enriching the polishing direction and range of the device.

In this embodiment, the light emitting member 520 may be a light emitting plate, a light emitting ring, a light emitting lamp, or the like.

To achieve the movement of the mounting table 200, the X-axis 310 and the Z-axis 320, in this embodiment, a driving mechanism is further provided, which includes a first driving component 600 disposed between the mounting table 200 and the base 100 for driving the movement of the mounting table 200, and a second driving component 700 disposed on the sliding component 300 for driving the movement of the X-axis 310 and the Z-axis 320.

The second driving assembly 700 includes a first screw structure 710 and a second screw structure 720, the first screw structure 710 is disposed on one side of the X-axis 310 facing the Z-axis 320, and penetrates through the first slider 321 and is connected with the first slider 321, the second screw structure 720 is disposed on one side of the Z-axis 320 facing away from the X-axis 310, and penetrates through the second slider 323 and is connected with the second slider 323, wherein when the first screw structure 710 rotates forward or rotates backward, the first slider 321 can be driven to reciprocate along the length direction of the first sliding rail 311, and further movement of the camera 400 and the auxiliary structure 500 along the direction of the X-axis 310 is realized, and when the second screw structure 720 rotates forward or rotates backward, the second slider 323 can be driven to reciprocate along the length direction of the second sliding rail 322, and further movement of the camera 400 and the auxiliary structure 500 along the direction of the Z-axis 320 is realized.

The second driving assembly 700 further includes a driving motor 730, wherein the driving motor 730 is provided with two groups, one group has an output end connected to the first screw structure 710, and the other group has an output end connected to the second screw structure 720 to drive the first screw structure 710 and the second screw structure 720 to move, respectively.

In this embodiment, the first driving assembly 600 includes a third slider 610 disposed on a side of the mounting table 200 facing the base 100, a third sliding rail (not shown) slidably connected to the third slider 610 and disposed on the base 100, and a power source (not shown) connected to the third slider 610 and driving the third slider 610 to move along a length direction of the third sliding rail, so that a product on the mounting table 200 can move along the length direction of the base 100, and further the camera 400 and the auxiliary structure 500 can move along a Y-axis direction relative to the product, thereby further increasing a movement direction of the camera 400 and the auxiliary structure 500.

It should be noted that the description of the present invention as it relates to "first", "second", "a", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. The terms "coupled," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally formed, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A radium carving orbit positioner for big breadth product, its characterized in that includes:

a base (100) on which a gantry (110) is provided;

the mounting table (200) is arranged on the base (100) and is movably connected with the base (100) for placing products;

the positioning mechanism is arranged on the portal frame (110), and comprises a sliding component (300) which is connected with the portal frame (110) and moves relative to the portal frame (110), a camera (400) which is arranged on the sliding component (300), and an auxiliary structure (500) which is connected with the sliding component (300) and is adjacent to the camera (400), wherein the sliding component (300) comprises an X-axis (310) and a Z-axis (320), the X-axis (310) drives the camera (400) and the auxiliary structure (500) to move along the horizontal direction of the portal frame (110), the Z-axis (320) drives the camera (400) and the auxiliary structure (500) to move along the vertical direction of the portal frame (110), so that the camera (400) can shoot the appearance of a product to form a processing track, and the auxiliary structure (500) synchronously moves along with the camera (400) and shines the shooting direction of the camera (400);

the driving mechanism comprises a first driving component (600) and a second driving component (700), wherein the first driving component (600) is arranged between the mounting table (200) and the base (100) and is used for driving the mounting table (200) to move, and the second driving component (700) is arranged on the sliding component (300) and is used for driving the X-axis (310) and the Z-axis (320) to move.

2. The laser engraving track positioning device for large-format products according to claim 1, wherein the auxiliary structure (500) comprises an adjusting rod (510) and a light emitting element (520) connected with the adjusting rod (510), wherein the adjusting rod (510) is rotatably connected with the sliding assembly (300) so as to drive the light emitting element (520) to rotate around the axial direction of the adjusting rod (510) to realize adjustment of the polishing angle.

3. The laser engraving track positioning device for large-format products according to claim 2, wherein the X-axis (310) is connected with the Z-axis (320) in a mutually perpendicular manner, wherein a first sliding rail (311) for horizontally moving the Z-axis (320) is provided on the X-axis (310), a first sliding block (321) slidingly connected with the first sliding rail (311) is provided on one side of the Z-axis (320) facing the X-axis (310), and a second sliding rail (322) and a second sliding block (323) slidingly connected with the second sliding rail (322) are provided on the other side of the Z-axis (320) for driving the camera (400) and the auxiliary structure (500) to move along the horizontal direction and/or the vertical direction of the portal frame (110).

4. A laser engraving track positioning device for large-format products according to claim 3, characterized in that the second slider (323) is provided with a connecting plate (330), the connecting plate (330) extends away from the Z-axis (320), one side of the connecting plate is detachably connected with the second slider (323), the other side of the connecting plate is detachably connected with the camera (400), and the other side of the connecting plate is rotatably connected with the adjusting rod (510).

5. The laser engraving track positioning device for large-format products according to claim 4, characterized in that a mounting frame (340) is arranged between the camera (400) and the second slider (323), one end of the mounting frame (340) is detachably connected with the second slider (323), and the other end extends away from the second slider (323) and is provided with a mounting groove (341) for placing the camera (400).

6. A laser engraving track positioning device for large-format products according to claim 3, characterized in that the second driving assembly (700) comprises a first screw structure (710) and a second screw structure (720), the first screw structure (710) is disposed on one side of the X-axis (310) facing the Z-axis (320), penetrating through the first slider (321) and being connected with the first slider (321), the second screw structure (720) is disposed on one side of the Z-axis (320) facing away from the X-axis (310), penetrating through the second slider (323) and being connected with the second slider (323), wherein when the first screw structure (710) is rotated forward or rotated backward, the first slider (321) is driven to reciprocate along the length direction of the first sliding rail (311), and when the second screw structure (720) is rotated forward or rotated backward, the second slider (323) is driven to reciprocate along the length direction of the second sliding rail (322).

7. A laser engraving track positioning device for large-format products according to claim 6, characterized in that said second drive assembly (700) further comprises a drive motor (730), said drive motor (730) being provided with two groups, one group having its output connected to the first screw structure (710) and the other group having its output connected to the second screw structure (720) for driving the first screw structure (710) and the second screw structure (720) in motion, respectively.

8. The laser engraving track positioning device according to claim 1, characterized in that the first driving assembly (600) comprises a third slider (610) arranged on one side of the mounting table (200) facing the base (100), a third sliding rail (not shown) arranged on the base (100) and connected with the third slider (610) in a sliding manner, and a power source (not shown) connected with the third slider (610) and driving the third slider (610) to move along the length direction of the third sliding rail.

9. The laser engraving track positioning device for large-format products according to claim 1, characterized in that a fixing frame (800) is further arranged between the sliding component (300) and the portal frame (110), the fixing frame (800) comprises a longitudinal rod (810) arranged in the vertical direction of the portal frame (110), and a transverse rod (820) arranged in the horizontal direction of the portal frame (110) and detachably connected with the longitudinal rod (810), wherein one surface of the transverse rod (820) away from the longitudinal rod (810) is detachably connected with the sliding component (300).

10. The laser engraving track positioning device for large-format products according to claim 1, characterized in that a clamping assembly (900) is provided on the mounting table (200), the clamping assembly (900) is detachably connected with the mounting table (200), wherein the clamping assembly (900) comprises a first fixing portion (910), a second fixing portion (920) and a third fixing portion (930), and a gap exists between the first fixing portion, the second fixing portion and the third fixing portion.