Online double-head laser marking equipment

Abstract

The utility model discloses an on-line double-head laser marking device comprising a cantilever, one end of which is rotatably connected with the top of a column; a first transverse adjusting mechanism is arranged on the cantilever, a first longitudinal adjusting mechanism is installed on the first transverse adjusting mechanism, and a first laser marking head is fixedly installed on the first longitudinal adjusting mechanism; a second transverse adjusting mechanism is further arranged on the cantilever, a second longitudinal adjusting mechanism is installed on the second transverse adjusting mechanism, and a second laser marking head is fixedly installed on the second longitudinal adjusting mechanism. The position of the laser marking head is adjusted through the transverse adjusting mechanism and the longitudinal adjusting mechanism, the laser wire inlet angle is adjusted through the rotatable cantilever, the laser marking device can be suitable for materials to be marked at different positions and in different planes, the marking efficiency is improved, the marking precision is high, and the marking effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser marking, and particularly relates to an online double-head laser marking device. Background Technique

[0002] The statements here only provide the background technique related to the utility model, and do not necessarily constitute the prior art.

[0003] A laser marking machine uses a laser beam to make permanent marks on the surfaces of various different substances. With the improvement of the reliability and practicality of lasers, along with the rapid development of computer technology and the improvement of optical devices, laser marking technology has made great progress. Due to many advantages such as high marking accuracy, fast processing speed, low cost, high automation level, and no mechanical extrusion or mechanical stress damage to the processed items, the application of laser marking machines is becoming more and more extensive and popular.

[0004] During the laser marking process, traditional materials to be marked pass through the laser marking machine. By placing the to-be-marked plate at a position corresponding to the laser marking machine, the laser marking machine then uses a laser with a high energy density to irradiate the area to be marked on the workpiece to make a mark. The laser marking machine using this method has certain limitations for marking materials at different positions and on different planes, resulting in low marking efficiency, affecting production efficiency, and having poor marking effects and low accuracy. The automation level is low and manual cooperation is required, increasing production costs. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the above-mentioned deficiencies existing in the prior art, and provide an online double-head laser marking machine with double laser marking heads. The position of the laser marking heads is adjusted through a horizontal adjustment mechanism and a vertical adjustment mechanism, and the laser incoming line angle is adjusted through a rotatable cantilever, which can be applicable to materials marked at different positions and on different planes, improving the marking efficiency, and having high marking accuracy and good marking effects.

[0006] In order to achieve the above purpose, the utility model is realized through the following technical solutions:

[0007] The technical solution of the utility model provides an online double-head laser marking device, including:

[0008] A cantilever, one end of which is rotatably connected to the top of a column; a first horizontal adjustment mechanism is arranged on the cantilever, a first vertical adjustment mechanism is installed on the first horizontal adjustment mechanism, and a first laser marking head is fixedly installed on the first vertical adjustment mechanism; a second horizontal adjustment mechanism is also arranged on the cantilever, a second vertical adjustment mechanism is installed on the second horizontal adjustment mechanism, and a second laser marking head is fixedly installed on the second vertical adjustment mechanism;

[0009] The electric control box is provided with a laser inside, and the laser emits laser light and transmits it to the first laser marking head and the second laser marking head through an optical fiber cable.

[0010] In at least one embodiment, the first lateral adjustment mechanism specifically includes:

[0011] A first linear guide rail assembly, which includes two linear guide rails, and the two linear guide rails are respectively installed on the upper and lower sides of the cantilever;

[0012] A first lead screw and a first lead screw locking seat, the first lead screw is fixed on the cantilever through a first lead screw fixing seat and a first lead screw support seat; one end of the first lead screw locking seat is provided with a first locking handle, the first lead screw passes through the first lead screw locking seat and is locked by the first locking handle; one end of the first lead screw passing through the first lead screw locking seat is provided with a first adjustment handwheel.

[0013] In at least one embodiment, the second lateral adjustment mechanism specifically includes:

[0014] A second linear guide rail assembly, which includes two linear guide rails, and the two linear guide rails are respectively installed on the upper and lower sides of the cantilever;

[0015] A second lead screw and a second lead screw locking seat, the second lead screw is fixed on the cantilever through a second lead screw fixing seat and a second lead screw support seat; one end of the second lead screw locking seat is provided with a second locking handle, the second lead screw passes through the second lead screw locking seat and is locked by the second locking handle; one end of the second lead screw passing through the second lead screw locking seat is provided with a second adjustment handwheel.

[0016] In at least one embodiment, the first longitudinal adjustment mechanism specifically includes:

[0017] A first bracket, which is slidably installed on the first linear guide rail assembly; a third linear guide rail assembly is provided on a surface of the first bracket facing away from the first linear guide rail assembly; a first sliding plate is slidably installed on the third linear guide rail assembly;

[0018] A third lead screw and a third lead screw locking seat are installed between the first sliding plate and the first bracket; one end of the third lead screw locking seat is provided with a third locking handle, the third lead screw passes through the third lead screw locking seat and is locked by the third locking handle; one end of the third lead screw passing through the third lead screw locking seat is provided with a third adjustment handwheel;

[0019] The third linear guide rail assembly is two linear guide rails respectively installed on the left and right sides of the first bracket.

[0020] In at least one embodiment, the second longitudinal adjustment mechanism specifically includes:

[0021] A second bracket, which is slidably mounted on the second linear guide rail assembly; on one side of the second bracket facing away from the second linear guide rail assembly, a fourth linear guide rail assembly is provided; a second slide plate is slidably mounted on the fourth linear guide rail assembly;

[0022] A fourth lead screw and a fourth lead screw locking seat are installed between the second slide plate and the second bracket; one end of the fourth lead screw locking seat is provided with a fourth locking handle, the fourth lead screw passes through the fourth lead screw locking seat and is locked by the fourth locking handle; one end of the fourth lead screw passing through the fourth lead screw locking seat is provided with a fourth adjustment handwheel;

[0023] The fourth linear guide rail assembly is two linear guide rails respectively installed on the left and right sides of the second bracket.

[0024] In at least one embodiment, a first laser marking head is fixedly installed on the first slide plate.

[0025] In at least one embodiment, a second laser marking head is fixedly installed on the second slide plate.

[0026] In at least one embodiment, the specific connection of one end of the cantilever to the top of the column is as follows:

[0027] A connection bracket is provided at the top of the column, and a pin shaft hole is opened on the connection bracket; one end of the cantilever is provided with a cantilever bearing seat, and bearings are installed above and below the cantilever bearing seat; the pin shaft hole and the inner ring hole of the bearing are on the same straight line and a pin shaft is provided to pass through, and the cantilever is rotationally connected to the column through the pin shaft;

[0028] The pin shaft is a flat head pin shaft with internal threads at the end, and a bolt passes through a washer and is bolt-fixed to the end of the pin shaft.

[0029] In at least one embodiment, a rotation positioning pin is further provided on the connection bracket.

[0030] In at least one embodiment, the lower end of the column is fixedly installed on the wire body moving guard plate;

[0031] The electric control box is installed below the wire body moving guard plate, and an electric control box connecting piece is installed on the electric control box;

[0032] The electric control box is controlled by a control system installed in the control room.

[0033] The beneficial effects of the above technical solutions of the present utility model are as follows:

[0034] 1) An online dual-head laser marking machine provided by the present utility model has dual laser marking heads. The positions of the laser marking heads are adjusted through a horizontal adjustment mechanism and a vertical adjustment mechanism. The laser inlet angle is adjusted through a rotatable cantilever, which can be applicable to materials for marking at different positions and on different planes, improving the marking efficiency, and having high marking accuracy and good marking effect.

[0035] 2) When adjusting the position of the first laser marking head, first adjust the first horizontal adjustment mechanism to adjust the position of the first bracket installed with the first laser marking head left or right, so that the first laser marking head reaches above the area to be marked. Then adjust the first vertical adjustment structure to adjust the position of the first laser marking head up or down, realizing the adjustment of the focal length of the first laser marking head, and making the marking content of the first laser marking head clear.

[0036] 3) When adjusting the position of the second laser marking head, first adjust the second horizontal adjustment mechanism to adjust the position of the second bracket installed with the second laser marking head left or right, so that the second laser marking head reaches above the area to be marked. Then adjust the second vertical adjustment structure to adjust the position of the second laser marking head up or down, realizing the adjustment of the focal length of the second laser marking head, and making the marking content of the second laser marking head clear.

[0037] 4) When adjusting the laser inlet angle of the laser marking head, the angle is adjusted by rotating the cantilever along the pin shaft to meet the adjustment of the marking area of the dual laser marking heads. Description of the Drawings

[0038] The specification drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0039] Figure 1 is a schematic diagram of an online dual-head laser marking device provided by the present utility model;

[0040] Figure 2 is a schematic structural diagram of adjusting the first laser marking head of an online dual-head laser marking device provided by the present utility model;

[0041] Figure 3 is a schematic structural diagram of adjusting the second laser marking head of an online dual-head laser marking device provided by the present utility model;

[0042] Figure 4 is a schematic connection diagram of the cantilever and the column of an online dual-head laser marking device provided by the present utility model;

[0043] Figure 5It is a schematic diagram of the structure of the lead nut and the lead nut fixing seat of an online double-head laser marking device provided by the present utility model.

[0044] In the figure: 1. Electric control box; 2. Column; 3. Cantilever; 4. First laser marking head; 5. Second laser marking head; 6. Electric control box connecting piece; 7. Control system; 8. Linear guide rail; 9. Linear guide rail; 10. First lead screw; 11. First lead screw locking seat; 12. First adjusting handwheel; 13. First locking handle; 14. Third lead screw; 15. Linear guide rail; 16. Linear guide rail; 17. First slide plate; 18. Third lead screw locking seat; 19. Third adjusting handwheel; 20. Third locking handle; 21. First bracket; 22. Linear guide rail; 23. Linear guide rail; 24. Second lead screw; 25. Second lead screw locking seat; 26. Second adjusting handwheel; 27. Second locking handle; 28. Fourth lead screw; 29. Linear guide rail; 30. Linear guide rail; 31. Second slide plate; 32. Fourth locking handle; 33. Fourth adjusting handwheel; 34. Fourth lead screw locking seat; 35. Second bracket; 36. Pin shaft; 37. Bearing; 38. Bearing; 39. Bearing; 40. Rotating positioning pin; 41. Washer; 42. First lead screw fixing seat; 43. First lead screw support seat; 44. First lead nut; 45. First lead nut fixing seat; 46. Second lead screw fixing seat; 47. Second lead screw support seat; 48. Second lead nut; 49. Second lead nut fixing seat; 101. Material to be marked; 102. Material conveying line; 103. Line body moving guard plate. Detailed implementation manners

[0045] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanations of the present utility model. Unless otherwise specified, all technical and scientific terms used in the present utility model have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs.

[0046] It should be noted that the terms used herein are only for describing the specific implementation manners and are not intended to limit the exemplary embodiments according to the present utility model. As used herein, unless the present utility model clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or their combinations. For the convenience of narration, if the words "upper", "lower", "left", and "right" appear in the present utility model, they only indicate the same directions as the upper, lower, left, and right directions of the attached drawings themselves, and do not limit the structure. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model.

[0047] As introduced in the background art, the purpose of the present utility model is to overcome the deficiencies existing in the above-mentioned prior art, and provide an online double-head laser marking machine, which has double laser marking heads. The positions of the laser marking heads are adjusted by a horizontal adjustment mechanism and a vertical adjustment mechanism, and the laser incoming line angle is adjusted by a rotatable cantilever. It can be applied to materials marked at different positions and different planes, improving the marking efficiency, and having high marking accuracy and good marking effect.

[0048] Embodiment 1

[0049] In a typical embodiment of the present utility model, this embodiment discloses an online double-head laser marking machine, including: a cantilever 3, one end of the cantilever 3 is rotatably connected to the top of a column 2; a first horizontal adjustment mechanism is arranged on the cantilever 3, a first vertical adjustment mechanism is installed on the first horizontal adjustment mechanism, and a first laser marking head 4 is fixedly installed on the first vertical adjustment mechanism; a second horizontal adjustment mechanism is also arranged on the cantilever 3, a second vertical adjustment mechanism is installed on the second horizontal adjustment mechanism, and a second laser marking head 5 is fixedly installed on the second vertical adjustment mechanism. It further includes an electric control box 1, and a laser is arranged in the electric control box 1. The laser emits laser and transmits it to the first laser marking head 4 and the second laser marking head 5 through an optical fiber line, thereby realizing the laser marking operation.

[0050] In this embodiment, a first horizontal adjustment mechanism is arranged on the cantilever 3, a first vertical adjustment mechanism is installed on the first horizontal adjustment mechanism, and a first laser marking head 4 is fixedly installed on the first vertical adjustment mechanism.

[0051] The first horizontal adjustment mechanism is mainly composed of a linear guide rail and an adjustment lead screw. Specifically, the linear guide rail part is mainly a first linear guide rail assembly, and the first linear guide rail assembly includes a linear guide rail 8 and a linear guide rail 9. The linear guide rail 8 and the linear guide rail 9 are respectively installed on the upper and lower sides of the cantilever.

[0052] And the adjustment lead screw part is mainly a first lead screw 10 and a first lead screw locking seat 11. The first lead screw 10 is fixed on the cantilever 3 through a first lead screw fixing seat 42 and a first lead screw support seat 43. One end of the first lead screw locking seat 11 is provided with a first locking handle 13. The first lead screw 10 passes through the first lead screw locking seat 11 and is locked by the first locking handle 13. One end of the first lead screw 10 passing through the first lead screw locking seat 11 is provided with a first adjustment handwheel 12.

[0053] The first vertical adjustment mechanism includes a first bracket 21. The first bracket 21 is slidably installed on the first linear guide rail assembly. By operating the first horizontal adjustment mechanism, the first bracket 21 can move left or right along the linear guide rail 8 and the linear guide rail 9.

[0054] A first nut fixing seat 45 is provided on the side of the first bracket 21 facing the first lateral adjustment mechanism. The first nut fixing seat 45 cooperates with the first nut 44 to allow the first bracket 21 to be slidably mounted on the first linear guide assembly. A third linear guide assembly is provided on the side of the first bracket 21 facing away from the first linear guide assembly. The third linear guide assembly comprises a linear guide 22 and a linear guide 23, which are respectively mounted on the left and right sides of the first bracket. A first slide 17 is slidably mounted on the third linear guide assembly. A third screw 14 and a third screw locking seat 18 are mounted between the first slide 17 and the first bracket 21. A third locking handle 20 is provided at one end of the third screw locking seat 18. The third screw 14 passes through the third screw locking seat 18 and is locked by the third locking handle 20. A third adjustment handwheel 19 is provided at one end of the third screw 14 passing through the third screw locking seat 18.

[0055] The first laser marking head 4 is fixedly mounted on the first slide 17. Under normal circumstances, the first locking handle 13 locks the first screw locking seat 11, and the third locking handle 20 locks the third screw locking seat 18. To adjust the position of the first laser marking head, first unlock the first locking handle 13, then turn the first adjustment handwheel 12 on the first screw 10 to adjust the first bracket 21 mounted on the linear guides 8 and 9 to the left or right until the first laser marking head 4 reaches the position above the target target area. Then, unscrew the first locking handle 13 to lock the first screw locking seat 11, fixing the horizontal position of the first laser marking head 4. Then unlock the third locking handle 20 and turn the third adjusting handwheel 19 on the third lead screw 14 to adjust the position of the first slide 17 mounted on the linear guide rails 15 and 16 upward or downward to adjust the focal length of the first laser marking head 4 so that the marking content of the first laser marking head 4 is clear. Then, unscrew the third locking handle 20 to lock the third lead screw locking seat 18 to fix the longitudinal position of the first laser marking head 4.

[0056] In this embodiment, a second transverse adjustment mechanism is further provided on the cantilever 3 , a second longitudinal adjustment mechanism is mounted on the second transverse adjustment mechanism, and a second laser marking head 5 is fixedly mounted on the second longitudinal adjustment mechanism.

[0057] The second lateral adjustment mechanism is mainly composed of a linear guide rail and an adjusting screw. Specifically, the linear guide rail part is mainly a second linear guide rail assembly. The second linear guide rail assembly includes a linear guide rail 15 and a linear guide rail 16. The linear guide rail 15 and the linear guide rail 16 are respectively installed on the upper and lower sides of the cantilever.

[0058] The adjusting screw portion mainly comprises a second screw 24 and a second screw locking seat 25. The second screw 24 is fixed to the cantilever 3 via a second screw fixing seat 46 and a second screw supporting seat 47. A second locking handle 27 is provided at one end of the second screw locking seat 25. The second screw 24 passes through the second screw locking seat 25 and is locked by the second locking handle 27. A second adjusting handwheel 26 is provided at one end of the second screw 24 passing through the second screw locking seat 25.

[0059] The second longitudinal adjustment mechanism includes a second bracket 35 , which is slidably mounted on the second linear guide rail assembly. The second bracket 35 can be moved leftward or rightward along the linear guide rails 15 and 16 by operating the second transverse adjustment mechanism.

[0060] A second nut holder 49 is provided on the side of the second bracket 35 facing the second lateral adjustment mechanism. The second nut holder 49 cooperates with the second nut 48, allowing the second bracket 35 to be slidably mounted on the second linear guide assembly. A fourth linear guide assembly is provided on the side of the second bracket 35 facing away from the second linear guide assembly. The fourth linear guide assembly comprises a linear guide 29 and a linear guide 30, which are respectively mounted on the left and right sides of the second bracket 35. A second slide 31 is slidably mounted on the fourth linear guide assembly. A fourth lead screw 28 and a fourth lead screw locking seat 34 are mounted between the second slide 31 and the second bracket 35. A fourth locking handle 32 is provided at one end of the fourth lead screw locking seat 34. The fourth lead screw 28 passes through the fourth lead screw locking seat 34 and is locked by the fourth locking handle 32. A fourth adjustment handwheel 33 is provided at one end of the fourth lead screw 28 passing through the fourth lead screw locking seat 34.

[0061] The second laser marking head 5 is fixedly mounted on the second slide 31. Under normal circumstances, the second locking handle 27 locks the second screw locking seat 25, and the fourth locking handle 32 locks the fourth screw locking seat 34. To adjust the position of the second laser marking head 5, first unlock the second locking handle 27, then turn the second adjustment handwheel 26 on the second screw 24 to adjust the second bracket 35 mounted on the linear guide rails 15 and 16 to the left or right until the second laser marking head 5 reaches the position above the target target area. Then, unscrew the second locking handle 27 to lock the second screw locking seat 25, fixing the horizontal position of the second laser marking head 5. Then unlock the fourth locking handle 32 and turn the fourth adjusting handwheel 33 on the fourth lead screw 28 to adjust the position of the second slide 31 mounted on the linear guide rails 15 and 16 upward or downward to adjust the focal length of the second laser marking head 5 so that the marking content of the second laser marking head 5 is clear. Then, unscrew the fourth locking handle 32 to lock the fourth lead screw locking seat 34 to fix the longitudinal position of the second laser marking head 5.

[0062] In this embodiment, one end of the cantilever 3 is rotatably connected to the top of the column 2. A connecting bracket is provided at the top of the column 2, and a pin hole is formed in the connecting bracket to ensure that the pin 36 passes through. One end of the cantilever 3 connected to the column 2 is provided with a cantilever bearing seat, and bearings 37, 38 and 39 are installed above and below the cantilever bearing seat. The pin hole on the column and the inner ring holes of the bearings 37, 38 and 39 on the cantilever are on the same straight line. The pin 36 is a flat head pin with internal threads at the end. During installation, the pin 36 passes through the connecting bracket, bearings 37, 38, 39, connecting bracket and washer 41 in sequence, and is fixed at the end by a bolt, enabling the cantilever 3 to rotate along the pin 36 to adjust the incoming line angle of the laser marking head, meeting the adjustment of the marking area of the dual laser marking heads. Among them, a rotary positioning pin 40 is further provided on the connecting bracket, enabling the cantilever 3 and the column 2 to be rotationally positioned through the rotary positioning pin 40.

[0063] In this embodiment, it further includes a wire body moving guard plate 103, and the lower end of the column 2 is fixedly installed on the wire body moving guard plate 103.

[0064] In this embodiment, the electric control box 1 is installed below the wire body moving guard plate 103, and an electric control box connecting piece 6 is installed on the top of the electric control box 1. The electric control box is controlled by a control system 7 installed in the control room, and can monitor the marking content during the marking process.

[0065] The present utility model provides an online dual-head laser marking machine with dual laser marking heads. The positions of the laser marking heads are adjusted through a horizontal adjustment mechanism and a vertical adjustment mechanism, and the incoming line angle of the laser is adjusted through a rotatable cantilever, which can be applicable to materials for marking at different positions and different planes, improving the marking efficiency, and having high marking precision and good marking effect. Conducting laser marking operations in this device can improve the marking efficiency and perform a certain degree of automated marking operations.

[0066] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An online double-head laser marking device, characterized in that include: A cantilever, one end of which is rotatably connected to the top of the column; the cantilever is provided with a first lateral adjustment mechanism, the first lateral adjustment mechanism is mounted on the first lateral adjustment mechanism, and the first longitudinal adjustment mechanism is fixedly mounted on the first longitudinal adjustment mechanism; the cantilever is also provided with a second lateral adjustment mechanism, the second lateral adjustment mechanism is mounted on the second longitudinal adjustment mechanism, and the second laser marking head is fixedly mounted on the second longitudinal adjustment mechanism; An electric control box is provided with a laser, which emits laser light and transmits it to the first laser marking head and the second laser marking head through an optical fiber line.

2. The online dual-head laser marking device according to claim 1, wherein The first lateral adjustment mechanism specifically includes: A first linear guide assembly, wherein the first linear guide assembly includes two linear guides, and the two linear guides are respectively installed on the upper and lower sides of the cantilever; A first screw and a first screw locking seat, the first screw is fixed to the cantilever through a first screw fixing seat and a first screw supporting seat; a first locking handle is provided at one end of the first screw locking seat, the first screw passes through the first screw locking seat and is locked by the first locking handle; a first adjustment handwheel is provided at one end of the first screw passing through the first screw locking seat.

3. An online dual-head laser marking device as claimed in claim 1, characterized in that, The second lateral adjustment mechanism specifically includes: A second linear guide assembly, the second linear guide assembly comprising two linear guides, the two linear guides being respectively mounted on the upper and lower sides of the cantilever; A second screw and a second screw locking seat, the second screw is fixed to the cantilever through a second screw fixing seat and a second screw supporting seat; a second locking handle is provided at one end of the second screw locking seat, the second screw passes through the second screw locking seat and is locked by the second locking handle; a second adjustment handwheel is provided at one end of the second screw passing through the second screw locking seat.

4. An online double-head laser marking device according to claim 1, characterized in that, The first longitudinal adjustment mechanism specifically includes: A first bracket is slidably mounted on a first linear guide assembly; a third linear guide assembly is provided on a side of the first bracket facing away from the first linear guide assembly; a first slide is slidably mounted on the third linear guide assembly; A third lead screw and a third lead screw locking seat are installed between the first slide and the first bracket; a third locking handle is provided at one end of the third lead screw locking seat, and the third lead screw passes through the third lead screw locking seat and is locked by the third locking handle; a third adjustment hand wheel is provided at one end of the third lead screw passing through the third lead screw locking seat; The third linear guide rail assembly is two linear guide rails respectively installed on the left and right sides of the first bracket.

5. An online dual-head laser marking device according to claim 1, characterized in that, The second longitudinal adjustment mechanism specifically includes: A second bracket, wherein the second bracket is slidably mounted on the second linear guide assembly; a fourth linear guide assembly is provided on a side of the second bracket facing away from the second linear guide assembly; a second slide is slidably mounted on the fourth linear guide assembly; A fourth lead screw and a fourth lead screw locking seat are installed between the second slide plate and the second support; a fourth locking handle is provided at one end of the fourth lead screw locking seat, the fourth lead screw passes through the fourth lead screw locking seat and is locked by the fourth locking handle; a fourth adjustment handwheel is provided at the end of the fourth lead screw passing through the fourth lead screw locking seat. The fourth linear guide rail assembly is two linear guide rails respectively installed on the left and right sides of the second support.

6. The on-line double-head laser marking device according to claim 4, wherein A first laser marking head is fixedly installed on the first slide plate.

7. An online double-head laser marking device according to claim 5, characterized in that, A second laser marking head is fixedly installed on the second slide plate.

8. An online dual-head laser marking device according to claim 1, characterized in that, The specific connection between one end of the cantilever and the top of the column is as follows: A connection bracket is provided at the top of the column, and a pin shaft hole is opened on the connection bracket; a cantilever bearing seat is provided at one end of the cantilever, and bearings are installed above and below the cantilever bearing seat; the pin shaft hole and the inner ring hole of the bearing are on the same straight line and a pin shaft is provided to pass through, and the cantilever and the column are rotationally connected together through the pin shaft. The pin shaft is a flat head pin shaft with internal threads at the end, and a bolt passes through a washer and is bolt-fixed to the end of the pin shaft.

9. An online double-head laser marking device according to claim 8, characterized in that, A rotary positioning pin is also provided on the connection bracket.

10. An online double-head laser marking device as described in claim 1, characterized in that, The lower end of the column is fixedly installed on the wire body moving guard plate. The electric control box is installed below the wire body moving guard plate, and an electric control box connecting part is installed on the electric control box. The electric control box is controlled by a control system installed in the control room.

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