A visual laser marking device

Abstract

The application discloses a visual laser marking device, which comprises a table, a box body fixed to the top of the table, a visual laser marker arranged on the box body, a plurality of first guide rails fixed to the top of the box body, a moving plate arranged on the first guide rails and capable of sliding, a first driving assembly arranged in the box body and capable of driving the moving plate to move forward and backward, a cooperation plate arranged on the top of the moving plate and capable of sliding left and right, a second driving assembly arranged on the moving plate and capable of driving the cooperation plate to move left and right, a moving frame arranged on the cooperation plate and capable of sliding left and right, a cylinder assembly arranged on the cooperation plate and capable of pushing the moving frame to the right, a base fixed to the moving frame, a first servo motor fixed to the bottom of the moving plate, a plug-in barrel fixed to the output shaft of the first servo motor, the plug-in barrel arranged in the base and capable of rotating, a chain wheel arranged in the plug-in barrel and capable of being plugged in, and chains arranged around the chain wheels.

Description

Technical Field

[0001] This invention relates to the field of chain laser marking technology, specifically a visual laser marking device. Background Technology

[0002] In the chain manufacturing industry, laser marking is a crucial process for product identification, traceability, and quality management. Currently, laser marking on chains primarily relies on manual operation or semi-automated equipment. Operators must place each chain link under the laser marking machine, manually adjusting the chain position to ensure accurate marking. After marking, the chain is moved link by link to the next position. This traditional method has the following shortcomings in actual production: Manual operation is inefficient and labor-intensive. The chain is composed of multiple links connected in sequence. During marking, the operator needs to repeatedly move the chain and align each link with the laser marking device. The whole process is time-consuming and labor-intensive, making it difficult to meet the high-efficiency requirements of mass production.

[0003] The chain fixing and tensioning methods are inadequate. In existing equipment, the chain is usually placed directly on the worktable, lacking an effective tensioning and transmission mechanism. The chain is prone to loosening or shifting during the marking process, which not only affects the marking quality but may also lead to marking failure due to the chain not being securely fixed.

[0004] The existing equipment does not integrate chain strength testing functionality. The chain's strength cannot be effectively inspected before marking, leading to substandard chains flowing into subsequent processes, increasing quality risks and rework costs. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a visual laser marking device that can realize automatic chain conveying, precise positioning, indexing and marking and strength detection, which can solve the problems in the prior art.

[0006] This invention is achieved through the following technical solution: A visual laser marking device of this invention includes a table, a box fixed to the top of the table, a visual laser marking device disposed on the box, a plurality of first guide rails fixed to the top of the box, a movable plate slidably disposed on the first guide rails, a first driving assembly disposed inside the box to drive the movable plate to move back and forth, a left-right sliding mating plate disposed on the top of the movable plate, a second driving assembly disposed on the movable plate to drive the mating plate to move left and right, a left-right sliding movable frame disposed on the mating plate, a cylinder assembly disposed on the mating plate to push the movable frame to the right, a base fixed inside the movable frame, a first servo motor fixed to the bottom of the movable plate, a plug-in cylinder fixed to the output shaft of the first servo motor, a plug-in cylinder rotatably disposed inside the base, a sprocket inserted into the plug-in cylinder, and a chain wound between the sprockets.

[0007] In a further technical solution, a plurality of second sliders are fixed at the bottom of the mating plate, and a second guide rail is fixed at the top of the movable plate and slidably connected to the second sliders.

[0008] A further technical solution includes a proximity switch assembly detachably connected to the front and rear ends of the left side of the housing; a protrusion fixed to the left side of the moving plate; an electrical signal triggered when the protrusion is opposite to the proximity switch assembly; a foot switch also provided on the table; a solenoid valve and a pressure regulating valve connected to the cylinder assembly; and a controller electrically connected to the solenoid valve and the pressure regulating valve. An encoder is also connected to the first servo motor, the first drive assembly, and the second drive assembly. The encoder, the proximity switch assembly, and the foot switch are electrically connected to the controller, which is also electrically connected to the visual laser marking device. The foot switch, through the controller, enables the first drive assembly, the second drive assembly, and the cylinder assembly to operate sequentially, and then causes the first servo motor to operate in indexing mode.

[0009] In a further technical solution, the first drive component includes a second servo motor fixed to the rear side of the housing, a first threaded shaft being provided on the front power connection of the second servo motor, the first threaded shaft being rotatably connected to the housing, a base plate being fixed to the bottom of the moving plate, a first internal threaded block being fixed inside the base plate, the first threaded shaft passing through the first internal threaded block, and the first threaded shaft being threadedly connected to the first internal threaded block.

[0010] A further technical solution includes a second drive component comprising a third servo motor fixed to the right side of the movable plate, a second threaded shaft being provided with a power connection on one side of the third servo motor, a bearing seat being fixed to the upper surface of the movable plate, the second threaded shaft being rotatably connected to the bearing seat, a second internal threaded block being fixed to the bottom of the mating plate, and the second threaded shaft being threadedly connected to the second internal threaded block after passing through it.

[0011] A further technical solution includes a cylinder assembly comprising a rotating seat fixed to the bottom of the mating plate, a cylinder rotatably disposed within the rotating seat, a cylinder rod disposed within the cylinder, a fixed shaft fixed to the bottom of the movable frame, the cylinder rod being rotatably connected to the fixed shaft, and a bidirectional guide rail structure being disposed between the movable frame and the mating plate.

[0012] A further technical solution includes a bidirectional guide rail structure comprising a bracket fixed to the front and rear sides of the top of the mating plate, a third guide rail fixed to the upper and lower sides of the bracket, a third slider slidably disposed on the third guide rail, and a movable frame fixedly connected to the third slider. In a further technical solution, the proximity switch assembly includes a base, a proximity switch is fixed on one side of the base, a through hole is provided in the base and a screw is threaded into the through hole, a wheel is fixed on the top of the screw, a T-slot is provided on the top of the housing, and the base is slidably disposed in the T-slot.

[0013] In a further technical solution, the plug-in cylinder includes a cylinder body, an inner hole is provided at the top of the cylinder body, a keyway is provided on one side of the inner hole, and a through hole is provided on the front side of the inner hole, penetrating the cylinder body.

[0014] In a further technical solution, the sprocket includes a shaft, a key block is fixed on one side of the shaft, a threaded hole is opened in the shaft, a boss is fixed on the top of the shaft, a sprocket body is fixed on the top of the boss, the shaft is inserted into the inner hole, the through hole is opposite to the threaded hole, and the key block is slidably engaged with the keyway.

[0015] The beneficial effects of the present invention are as follows: First, the visual laser marking device provided by the present invention, through the coordinated cooperation of sprocket drive, servo indexing, multi-axis linkage and cylinder tensioning, realizes automatic feeding, precise positioning, continuous indexing marking and strength detection of the chain, effectively solving the problems of low efficiency of manual operation, unstable chain fixation and insufficient equipment versatility in the prior art, and greatly improving the automation level and production quality of chain laser marking.

[0016] Second, this invention uses a first servo motor to drive the plug-in cylinder and sprocket to rotate, and works with a visual laser marking device to achieve indexing and marking of the chain. The chain stops marking after each leg of the chain is driven by the sprocket, eliminating the need for manual movement of the chain link by link. This significantly reduces the labor intensity of operators and improves marking efficiency and accuracy.

[0017] Third, the present invention drives the moving plate to move back and forth through the first driving component, so that the rear part of the chain is accurately moved to below the visual laser marking device. In conjunction with the second driving component, the left and right positions of the mating plate and the right sprocket are adjusted, so as to realize the adjustment of the center distance of chains of different specifications and the alignment of the marking position, thereby improving the adaptability of the equipment to different chain specifications.

[0018] Fourth, this invention uses a cylinder assembly to push the moving frame and the right-side sprocket to move to the right, so that the chain is tensioned between the two sprockets, ensuring stable meshing between the chain and the sprocket and smooth operation. At the same time, by adjusting the cylinder thrust, the strength of the chain can also be tested, thus taking into account both tensioning and strength testing functions.

[0019] Fifth, this invention achieves precise control and positioning detection of the moving plate's front and rear positions through the cooperation of the proximity switch assembly and the protrusion on the moving plate. Furthermore, the position of the proximity switch assembly can be adjusted according to different sprocket and chain specifications, further ensuring the accuracy of the marking position and the versatility of the equipment.

[0020] VI. The present invention uses a detachable connection structure between the plug-in cylinder and the sprocket, which facilitates the replacement of sprockets of different specifications. At the same time, the indexing operation control of the servo motor can be realized by inputting the number of sprocket teeth on the display screen. There is no need to input additional movement parameters for different chain link lengths, which simplifies the operation process and improves the flexibility and applicability of the equipment. Attached Figure Description

[0021] For ease of explanation, the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.

[0022] Figure 1 This is a schematic diagram of the overall structure of a visual laser marking device according to the present invention; Figure 2 for Figure 1 A schematic diagram of the transverse cross-section of the device; Figure 3 for Figure 2 A schematic diagram at point A in the middle; Figure 4 for Figure 2 A schematic diagram at point B in the middle; Figure 5 for Figure 4 A schematic diagram at point C in the middle; Figure 6 for Figure 1 A front view of the structure of the device; Figure 7 for Figure 1 A bottom view of the proximity switch assembly; Figure 8 for Figure 1 Schematic diagram of the middle insert connector; Figure 9 for Figure 1 Schematic diagram of the middle sprocket; In the diagram, the components are: foot switch 11, movable plate 12, shelf 13, proximity switch assembly 14, second servo motor 15, plug-in cylinder 16, sprocket 17, visual laser marking device 18, first guide rail 19, housing 21, table 22, first slider 31, T-slot 32, first threaded shaft 33, first internal threaded block 34, base plate 35, first servo motor 36, second threaded shaft 37, third servo motor 38, bearing seat 41, and second guide rail 42. 43. Second slider, 44. Support plate, 45. Mating plate, 46. Second internal thread block, 47. Rotating seat, 48. Cylinder, 49. Cylinder rod, 52. Base, 53. Moving frame, 54. Third slider, 55. Third guide rail, 56. Fixed shaft, 61. Screw, 62. Through hole, 63. Seat, 64. Rotary wheel, 65. Proximity switch, 71. Cylinder, 72. Keyway, 73. Inner hole, 74. Through hole, 81. Sprocket body, 82. Key block, 83. Shaft, 84. Threaded hole, 85. Boss. Detailed Implementation

[0023] like Figures 1-9 As shown, the present invention will be described in detail. For ease of description, the directions mentioned below are defined as follows: the directions of up, down, left, right, front, and back mentioned below are the same as... Figure 1 The directions of the projection relationship are consistent in all directions: up, down, left, right, front, and back.

[0024] In Embodiment 1, a visual laser marking device of the present invention includes a table 22, a box 21 fixed to the top of the table 22, a visual laser marking device 18 disposed on the box 21, a plurality of first guide rails 19 fixed to the top of the box 21, a movable plate 12 slidably disposed on the first guide rails 19, a first driving assembly for driving the movable plate 12 to move back and forth disposed inside the box 21, a left-right sliding mating plate 45 disposed on the top of the movable plate 12, a second driving assembly for driving the mating plate 45 to move left and right disposed on the movable plate 12, a left-right sliding movable frame 53 disposed on the mating plate 45, a cylinder assembly for pushing the movable frame 53 to the right disposed on the mating plate 45, a base 52 fixed inside the movable frame 53, a first servo motor 36 fixed to the bottom of the movable plate 12, a plug-in cylinder 16 fixed to the output shaft of the first servo motor 36, a rotatable plug-in cylinder 16 disposed inside the base 52, and a sprocket 17 inserted into the plug-in cylinder 16.

[0025] The movable plate 12 is in its initial front position, and the second drive assembly drives the mating plate 45 to move left and right until the sprockets 17 on both sides are about to reach the center distance of the chain. The operator places the chain, with the ends connected, onto the outer surface of the sprockets 17, and the sleeve of the chain abuts against the tooth groove of the sprocket 17. Then the second drive assembly runs again, ensuring the center distance between the sprockets 17 meets the center distance of the chain. Since the movable frame 53 is slidably mounted on the mating plate 45 and connected via a cylinder assembly, when the cylinder assembly is not ventilated, the two remain relatively fixed, thus achieving the function of adjusting the distance between the right sprocket 17 and the left sprocket 17. By activating the cylinder assembly, the movable frame 53 is pushed to the right, causing the right sprocket 17 to pull the chain to the right, thus tensioning the chain between the two sprockets 17, ensuring smooth chain operation, and also allowing for checking the chain's tightness. Then, the first servo motor 36 operates, driving the connected insertion cylinder 16 to rotate. The first drive assembly drives the sprocket 17 to rotate, which in turn drives the chain and another sprocket 17. Then, the first drive assembly drives the moving plate 12 to move backward, positioning the rear portion of the chain below the visual laser marking device 18. By setting the chain operation to indexing mode, after the visual laser marking device 18 completes marking, the chain travels the distance of one chain plate under the indexing rotation of the sprocket 17, and then the visual laser marking device 18 marks the chain plate again. After all the chain plates are marked, the first drive assembly drives the moving plate 12 to reset forward, and the second drive assembly and cylinder assembly also reset. The operator removes the chain between the sprockets 17 and replaces it with a new chain to be marked. This cycle is repeated, allowing the equipment to continuously mark the chain. This device achieves automatic operation and marking after the operator places the chain in. Compared to manual marking, it eliminates the need for the operator to move the chain section by section to the underside of the visual laser marking device 18, saving considerable effort and increasing efficiency and accuracy.

[0026] If a foot switch 11 is provided, the foot switch 11 will act as a start switch, causing the above components to start running sequentially.

[0027] Advantageously, the left and right sides of the housing 21 are fixed with storage plates 13, one of which holds the chain to be marked, and the other holds the chain that has been marked.

[0028] Beneficially, the table 22 is equipped with a computer host, keyboard and mouse, and a display screen is also provided on one side of the visual laser marking device 18. The visual laser marking device 18 is electrically connected to the computer host. The display screen shows the operating program of the visual laser marking device 18 and also shows the pattern of the marking area for personnel to judge whether it is correct. This whole set of equipment is existing technology, which uses visual recognition of chain plate features to accurately mark on the chain plate.

[0029] Advantageously, the bottom of the mating plate 45 is fixed with a plurality of second sliders 43, and the top of the movable plate 12 is fixed with a second guide rail 42 that is slidably connected to the second sliders 43.

[0030] The second guide rail 42 and the second slider 43 enable a sliding fit connection between the mating plate 45 and the moving plate 12.

[0031] Advantageously, the top of the housing 21 is fixed with a plurality of first guide rails 19, and the bottom of the movable plate 12 is fixed with a plurality of first sliders 31, the first sliders 31 being slidably connected to the first guide rails 19.

[0032] The first slider 31 and the first guide rail 19 form a structure in which the moving plate 12 slides back and forth relative to the box 21, which facilitates the precise back and forth movement of the moving plate 12.

[0033] Example 2, based on Example 1, further specifies the following: a proximity switch assembly 14 is detachably connected to the front and rear ends of the left side of the housing 21; a protrusion is fixed to the left side of the moving plate 12; an electrical signal is triggered when the protrusion is opposite to the proximity switch assembly 14; a foot switch 11 is also provided on the table 22; a cylinder assembly is connected to a solenoid valve and a pressure regulating valve; a controller is also included; the controller is electrically connected to the solenoid valve and the pressure regulating valve; an encoder is also connected to the first servo motor 36, the first drive assembly, and the second drive assembly; the encoder, the proximity switch assembly 14, and the foot switch 11 are electrically connected to the controller; the controller is also electrically connected to the computer host running the visual laser marking device 18 program; the foot switch 11 enables the first drive assembly, the second drive assembly, and the cylinder assembly to run sequentially through the controller, and then enables the first servo motor 36 to run in sections; the controller is electrically connected to the display screen.

[0034] The control logic of the device is as follows: The first drive assembly determines the initial and final positions via the proximity switch assembly 14 and the protrusion on one side of the moving plate 12. The operator adjusts and fixes the positions of the two proximity switch assemblies 14 to ensure that the chain plates on the sprockets 17 of different sizes are directly below the visual laser marking device 18. This ensures that after changing the sprockets 17 and chains of different sizes, the chain plates can always be positioned directly below the visual laser marking device 18. The adjustment of the proximity switch assembly 14 is performed manually, observing the position of the chain plates on the display screen. Once the chain plates are within the marking range, the proximity switch assembly 14 at the final position is fixed.

[0035] The sprocket 17 and the connector 16 are detachably connected, allowing for the installation of different sized sprockets 17 inside the connector 16, and also allowing for the installation of chains of different lengths between the sprockets 17.

[0036] The first servo motor 36 is controlled by an encoder. It operates in an indexing manner based on the number of teeth on the sprocket, effectively avoiding the need for additional movement parameters due to varying chain link lengths. Indexing only requires inputting the number of teeth on the sprocket. Before operation, the number of sprocket teeth is input on the display screen, and the controller sends an indexing command to the encoder, causing the first servo motor 36 to drive the connector 16 and sprocket 17 in the indexing process. Furthermore, the number of rotations of the connector 16 and sprocket 17 driven by the first servo motor 36 multiplied by the number of teeth must correspond to the number of chain links to ensure the chain moves completely from beginning to end under the visual laser marking device 18, allowing all chain plates to be marked.

[0037] Since the chain center distance is fixed after installation, after inputting the chain center distance on the screen, the second drive component drives the mating plate 45 and the right sprocket 17 to move to the right. The right sprocket 17 stops when it reaches a position close to the preset center distance of 10mm. This position serves as the new starting position for the second drive component. After the chain is installed and the equipment is running, the second drive component drives the right sprocket 17 to move 10mm to the right again to ensure that the chain and sprocket 17 are in a meshing state.

[0038] In Example 3, based on any one of Examples 1 to 2, the following further details are provided: The first drive assembly includes a second servo motor 15 fixed to the rear side of the housing 21. A first threaded shaft 33 is provided on the front power connection of the second servo motor 15. The first threaded shaft 33 is rotatably connected to the housing 21. A base plate 35 is fixed to the bottom of the moving plate 12. A first internal threaded block 34 is fixed inside the base plate 35. The first threaded shaft 33 passes through the first internal threaded block 34, and the first threaded shaft 33 and the first internal threaded block 34 are threadedly connected.

[0039] The controller sends a command to the encoder of the second servo motor 15, causing the second servo motor 15 to drive the first threaded shaft 33 to rotate. Since the first threaded shaft 33 is engaged with the first internal threaded block 34, it indirectly drives the moving plate 12 to move back and forth. When the protrusion on one side of the moving plate 12 is aligned with the proximity switch assembly 14, the controller sends a stop command to the encoder of the second servo motor 15, causing the second servo motor 15 to stop running.

[0040] Example 4, based on any one of Examples 1 to 3, further defines the following: The second drive assembly includes a third servo motor 38 fixed to the right side of the moving plate 12, a second threaded shaft 37 is provided on one side of the third servo motor 38 for power connection, a bearing seat 41 is fixed on the upper end face of the moving plate 12, the second threaded shaft 37 is rotatably connected to the bearing seat 41, a second internal threaded block 46 is fixed at the bottom of the mating plate 45, and the second threaded shaft 37 passes through the second internal threaded block 46 and is threadedly connected to it.

[0041] After the center distance data of the chain is input through the display screen, the controller receives the instruction and sends the instruction to the controller of the third servo motor 38. The third servo motor 38 then works and drives the second threaded shaft 37 to rotate, so that the mating plate 45 and the right sprocket 17 move to a position 10mm away from their preset position and stop. After the equipment is running, the third servo motor 38 works again to move the sprocket 17 to its preset position.

[0042] Example 5, based on any one of Examples 1 to 4, further defines the following: the cylinder assembly includes a rotating seat 47 fixed to the bottom of the mating plate 45, a cylinder 48 rotatably disposed inside the rotating seat 47, a cylinder rod 49 disposed inside the cylinder 48, a fixed shaft 56 fixed to the bottom of the moving frame 53, the cylinder rod 49 and the fixed shaft 56 being rotatably connected, and a bidirectional guide rail structure being provided between the moving frame 53 and the mating plate 45.

[0043] Advantageously, the bidirectional guide rail structure includes a bracket 44 fixed to the front and rear sides of the top of the mating plate 45, a third guide rail 55 fixed to the upper and lower sides of the bracket 44, a third slider 54 slidably disposed on the third guide rail 55, and a movable frame 53 fixedly connected to the third slider 54. After cylinder 48 operates, it pushes out cylinder rod 49, which in turn drives fixed shaft 56, base 52, moving frame 53, and third slider 54 to slide left and right on one side of third guide rail 55. This causes the right-side sprocket 17 to move to the right and tension the chain, making the chain-sprocket transmission more stable. By adjusting the pressure regulating valve connected to cylinder 48, the thrust of cylinder 48 and cylinder rod 49 can be adjusted. When the thrust is set to the test thrust, if the chain is pushed apart, it indicates that the chain strength does not meet the requirements. Therefore, this also serves as a function to test the chain's firmness.

[0044] Example 6, based on any one of Examples 1 to 5, further defines the following: the proximity switch assembly 14 includes a base 63, a proximity switch 65 is fixed on one side of the base 63, a through hole 62 is provided in the base 63 at the front and back, a screw 61 is threadedly connected in the through hole 62, a rotating wheel 64 is fixed on the top of the screw 61, a T-slot 32 is provided on the top of the housing 21, and the base 63 is slidably disposed in the T-slot 32.

[0045] Advantageously, the proximity switch 65 is electrically connected to the controller.

[0046] After rotating the wheel 64, the screw 61 extends out of the through hole 62 and abuts against the bottom wall of the T-slot 32, thus fixing the horizontal plate of the seat 63 against the upper wall of the T-slot 32. This achieves the function of fixing the proximity switch assembly 14. When the proximity switch 65 is opposite to the protrusion on one side of the moving plate 12, it triggers a positioning signal to the controller.

[0047] Example 7, based on any one of Examples 1 to 6, further defines the following: the plug-in tube 16 includes a tube body 71, the top of the tube body 71 is provided with an inner hole 73, one side of the inner hole 73 is provided with a keyway 72, and the front side of the inner hole 73 is provided with a through hole 74 that penetrates the tube body 71.

[0048] Advantageously, the sprocket 17 includes a shaft 83, a key block 82 is fixed on one side of the shaft 83, a threaded hole 84 is opened in the shaft 83, a boss 85 is fixed on the top of the shaft 83, the sprocket body 81 is fixed on the top of the boss 85, the shaft 83 is inserted into the inner hole 73, the through hole 74 is opposite to the threaded hole 84, and the key block 82 is slidably engaged with the keyway 72.

[0049] By setting a set screw in the threaded hole 84 and threading the set screw to the cylinder 71, the plug-in cylinder 16 and the sprocket 17 can be connected and fixed. The sprocket body 81 of different specifications of sprocket 17 has different dimensions, but the key block 82, shaft 83, threaded hole 84 and boss 85 are the same.

[0050] The cylinder 71 is rotatably mounted inside the base 52, and the cylinder 71 is fixedly connected to the output shaft of the first servo motor 36.

[0051] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions conceived without creative effort should be included within the scope of protection of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A visual laser marking device, comprising a table (22), a housing (21) fixed to the top of the table (22), and a visual laser marking device (18) disposed on the housing (21), characterized in that, The top of the housing (21) is fixed with multiple first guide rails (19), and a movable plate (12) is slidably mounted on the first guide rails (19). A first drive assembly is provided inside the housing (21) to move the movable plate (12) back and forth. A left-right sliding mating plate (45) is provided on the top of the movable plate (12). A second drive assembly is provided on the movable plate (12) to move the mating plate (45) left and right. A left-right sliding moving frame (5) is provided on the mating plate (45). 3) The mating plate (45) is provided with a cylinder assembly that pushes the moving frame (53) to the right. The moving frame (53) is fixed with a base (52). The bottom of the moving plate (12) is fixed with a first servo motor (36). The output shaft of the first servo motor (36) is fixed with a plug tube (16). The plug tube (16) is rotatably arranged in the base (52). A sprocket (17) is inserted into the plug tube (16). A chain is wound between the sprockets (17).

2. The visual laser marking device according to claim 1, characterized in that: The bottom of the mating plate (45) is fixed with a plurality of second sliders (43), and the top of the moving plate (12) is fixed with a second guide rail (42) that is slidably connected to the second sliders (43).

3. The visual laser marking device according to claim 1, characterized in that: The front and rear ends of the left side of the housing (21) are detachably connected to a proximity switch assembly (14). A protrusion is fixed on the left side of the moving plate (12). When the protrusion is opposite to the proximity switch assembly (14), an electrical signal is triggered. A foot switch (11) is also provided on the table (22). The cylinder assembly is connected to a solenoid valve and a pressure regulating valve. It also includes a controller. The controller is electrically connected to the solenoid valve and the pressure regulating valve. The first servo motor (36), the first drive assembly, and the second drive assembly are also connected to an encoder. The encoder, the proximity switch assembly (14), and the foot switch (11) are electrically connected to the controller. The controller is also electrically connected to the visual laser marking device (18). The foot switch (11) enables the first drive assembly, the second drive assembly, and the cylinder assembly to run sequentially through the controller, and then makes the first servo motor (36) index and run.

4. The visual laser marking device according to claim 3, characterized in that... The proximity switch assembly (14) includes a base (63), a proximity switch (65) is fixed on one side of the base (63), a through hole (62) is provided in the base (63) at the front and back, a screw (61) is threaded into the through hole (62), a rotating wheel (64) is fixed on the top of the screw (61), a T-slot (32) is provided on the top of the housing (21), and the base (63) is slidably disposed in the T-slot (32).

5. A visual laser marking device according to any one of claims 1-4, characterized in that: The first drive assembly includes a second servo motor (15) fixed to the rear side of the housing (21). The front side of the second servo motor (15) is provided with a first threaded shaft (33). The first threaded shaft (33) is rotatably connected to the housing (21). The bottom of the moving plate (12) is fixed with a base plate (35). The base plate (35) is fixed with a first internal threaded block (34). The first threaded shaft (33) is threadedly connected to the first internal threaded block (34).

6. A visual laser marking device according to any one of claims 1-4, characterized in that: The second drive assembly includes a third servo motor (38) fixed to the right side of the moving plate (12). A second threaded shaft (37) is provided on one side of the third servo motor (38). A bearing seat (41) is fixed on the upper surface of the moving plate (12). The second threaded shaft (37) is rotatably connected to the bearing seat (41). A second internal threaded block (46) is fixed at the bottom of the mating plate (45). The second threaded shaft (37) passes through the second internal threaded block (46) and is threadedly connected to it.

7. A visual laser marking device according to any one of claims 1-4, characterized in that: The cylinder assembly includes a rotating seat (47) fixed to the bottom of the mating plate (45), a cylinder (48) is rotatably disposed inside the rotating seat (47), a cylinder rod (49) is disposed inside the cylinder (48), a fixed shaft (56) is fixed to the bottom of the moving frame (53), the cylinder rod (49) is rotatably connected to the fixed shaft (56), and a bidirectional guide rail structure is provided between the moving frame (53) and the mating plate (45).

8. The visual laser marking device according to claim 7, characterized in that: The bidirectional guide rail structure includes a bracket (44) fixed to the front and rear sides of the top of the mating plate (45), a third guide rail (55) fixed to the upper and lower sides of the bracket (44), a third slider (54) slidably disposed on the third guide rail (55), and the moving frame (53) fixedly connected to the third slider (54).

9. A visual laser marking device according to any one of claims 1-4, characterized in that: The plug-in tube (16) includes a tube body (71), the top of the tube body (71) is provided with an inner hole (73), one side of the inner hole (73) is provided with a keyway (72), and the front side of the inner hole (73) is provided with a through hole (74) that penetrates the tube body (71).

10. A visual laser marking device according to any one of claims 1-4, characterized in that: The sprocket (17) includes a shaft (83), a key block (82) is fixed on one side of the shaft (83), a threaded hole (84) is provided in the shaft (83), a boss (85) is fixed on the top of the shaft (83), a sprocket body (81) is fixed on the top of the boss (85), the shaft (83) is inserted into the inner hole (73), the through hole (74) is opposite to the threaded hole (84), and the key block (82) is slidably engaged with the keyway (72).

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