Automatic laser marking equipment with instant zooming function

Abstract

The automatic laser marking equipment comprises a main mounting support, a rotation control assembly is mounted on the main mounting support, an operation control screen is further mounted on the main mounting support, and a Y-axis movement control module is mounted on the upper end face of the main mounting support. According to the automatic laser marking equipment with the real-time zooming function, the X-direction adjusting mechanism, the Y-direction adjusting mechanism and the Z-direction adjusting mechanism are adopted, the position of the laser light emitting assembly can be adjusted, the inclination angle of the laser light emitting assembly can be adjusted in cooperation with the action of a first rotating motor and a second rotating motor, and therefore the marking requirements of different workpieces and slopes can be met; and when the etching depth of the mark needs to be adjusted, the distance between the laser emitting assembly and the workpiece is adjusted, and the focusing effect of the laser emitting assembly and the workpiece at different distances can be achieved in cooperation with the effect of the focal length adjusting mechanism, so that the etching effect of different depths can be achieved, and the functionality of the device is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of laser marking, in particular to an automatic laser marking device with instant zoom. Background Art

[0002] Laser marking machine is a device that uses laser beam to mark the surface of various objects permanently. It is widely used in various fields due to its advantages such as fast processing speed and high precision. In actual use, the existing laser marking machine mainly adjusts the distance between the laser head and the workpiece by longitudinally moving the axis to adjust the focal length. In actual use, in order to ensure the marking effect, the distance between the laser head and the workpiece is fixed. According to actual operation, the closer the laser head is to the workpiece, the deeper the etching depth, and vice versa. The existing marking device is difficult to meet the etching requirements of different depths. Therefore, in view of the above problems, an instant zoom automatic laser marking equipment is designed to better meet the actual use needs. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic laser marking device with instant zoom to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an instant zoom automated laser marking device, comprising a main mounting bracket, a rotation control assembly is mounted on the main mounting bracket, an operation control screen is also mounted on the main mounting bracket, a Y-axis movement control module is mounted on the upper end surface of the main mounting bracket, a Z-axis movement control module is mounted on the Y-axis movement control module, an X-axis movement control module is mounted on the Z-axis movement control module, a first rotating motor is mounted on the X-axis movement control module, a first fixing frame is fixed to the output end of the first rotating motor, a second rotating motor is fixed to the first fixing frame, a second rotating motor is fixed to the output end of the second rotating motor, a laser light emitting assembly is mounted on the second fixing frame, a field lens is mounted on the lower end surface of the laser light emitting assembly, a focusing red light hole is also mounted on the lower end surface of the laser light emitting assembly, and a first rotating motor is fixed to the output end of the second rotating motor. A laser rangefinder is installed, and the laser rangefinder cooperates with the distance sensor light emitting hole and the distance sensor light entrance hole on the lower end surface of the laser light emitting component. A focal length adjustment mechanism is also installed in the laser light emitting component, and the focal length adjustment mechanism includes a mounting frame, a micro motor, a screw rod, a movable sleeve, a first magnification mirror and a second magnification mirror. The mounting frame is fixed in the laser light emitting component, and a micro motor is installed on the mounting frame. The micro motor is connected to the screw rod through a reducer, and the screw rod bearing is connected to the mounting frame. The screw rod is connected to the movable sleeve through a thread, and the movable sleeve and the mounting frame are slidably connected. The first magnification mirror is installed on the movable sleeve, and a second magnification mirror fixed on the mounting frame is arranged directly below the first magnification mirror. The screw rod is driven to rotate by the micro motor, so that the movable sleeve is forced to move, so as to realize the position adjustment of the first magnification mirror, thereby adjusting the distance between the first magnification mirror and the second magnification mirror.

[0005] Preferably, the lower end surface of the main mounting bracket is also equipped with a balancing adjustment foot, and four balancing adjustment feet are provided. Through the function of the balancing adjustment feet, the movement of the entire device can be facilitated and basic guarantee can be provided for the horizontal adjustment of the device.

[0006] Preferably, the rotation control assembly includes a motor, a rotating shaft, a turntable, a cylinder, a suction port, a splint, a sliding rod, a spring, a connecting rod, a movable disk, a piston, a convex gear rod, a counterweight and a gear. The motor is fixed on the main mounting bracket, and the output end of the motor is fixed with a rotating shaft, and a turntable is fixed on the rotating shaft, and a cylinder is fixed at an equal angle on the turntable, and the cylinder is connected to the suction port opened on the turntable. Through the above structure, the rotation of the workpiece can be realized.

[0007] Preferably, a clamp is slidably provided above the turntable, and a slide rod is fixed on the clamp, and the slide rod and the turntable are slidably connected, and a spring is fixed between the clamp and the turntable. Through the above structure, the workpiece can be clamped and positioned to facilitate workpiece processing.

[0008] Preferably, one end of a connecting rod is rotatably connected to the clamping plate, and the other end of the connecting rod is rotatably connected to a movable disk, and a piston is fixed on the movable disk, and the piston and the cylinder are slidably connected. Through the above structure, a basic force can be provided for the movement of the piston, thereby ensuring the normal operation of the device.

[0009] Preferably, a convex tooth rod is fixed to the splint, and the convex tooth rod on the left splint and the right splint are slidably connected, and a counterweight block is fixed on the tooth rod, and the weight of the counterweight block is greater than the weight of the splint. Through the gravity of the counterweight block, the secondary clamping effect of the workpiece can be achieved through the action of centrifugal force when the workpiece rotates.

[0010] Preferably, the gear rod and the gear are meshingly connected, and the gear bearing is connected to the rotating shaft. Through the above structure, it can be ensured that the moving distances of the left and right counterweights are equal, thereby ensuring the balance of centrifugal force when the device rotates and avoiding polarization of the device.

[0011] Preferably, an air blowing device is fixed on the outside of the laser light emitting component, and the air blowing device is connected to the air pump through an air guide pipe. Through the above structure, the debris generated during the processing can be blown away to ensure the cleanliness of the workpiece.

[0012] Preferably, the laser light emitting component is also equipped with two indicator lights, one of which is a green light indicating a preparation signal, and the other is a red light indicating a light emitting signal. Through the above structure, it is convenient for staff to observe whether the device is working normally.

[0013] Preferably, an obstacle avoidance sensor is fixed on the outside of the laser light emitting component, and three obstacle avoidance sensors are provided. Through the action of the obstacle avoidance sensor, the automatic obstacle avoidance function of the laser light emitting component can be realized, effectively preventing the laser light emitting component from being damaged by collision.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The instant zoom automatic laser marking equipment adopts X, Y, and Z three-way adjustment mechanisms to adjust the position of the laser light-emitting component. In combination with the first rotary motor and the second rotary motor, the inclination angle of the laser light-emitting component can be adjusted to meet the marking requirements of different workpieces and inclined surfaces. When the depth of the mark etching needs to be adjusted, the distance between the laser light-emitting component and the workpiece can be adjusted. In combination with the focal length adjustment mechanism, the focusing effect of the laser light-emitting component and the workpiece at different distances can be achieved, thereby achieving etching effects of different depths, which greatly improves the functionality of the device. The device perfectly integrates the six-axis motion with the marking and cleaning of the 3D galvanometer and the automatic focusing of the galvanometer. With the hand editor, the galvanometer can be easily moved to any position of the workpiece for processing, and after accumulating the operation process, a one-time operation of marking or cleaning can be performed. In addition, the device can also program or manually clean the workpiece without a workpiece model. At the same time, the software operation perfectly integrates the laser 3D cleaning, marking and cleaning with the 6-axis control into one task, making the cleaning operation very easy to understand and operate. 2. When positioning the workpiece, the instant zoom automatic laser marking equipment forms an elastic limiting mechanism through the action of the movable frame, the limiting plate, the sliding rod and the spring, so as to facilitate the locking of the workpiece, and the elastic mechanism is relatively easy to disassemble and assemble. When the workpiece is rotated, the counterweight block will generate a pulling force on the sliding rod under the action of centrifugal force, thereby further providing a force for the limiting plate, and the faster the rotation speed, the greater the force, thereby effectively ensuring the stability of the workpiece during rotation and preventing the workpiece from sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the device of the present invention; Figure 2 It is a schematic diagram of the overall rear-view stereoscopic structure of the device of the present invention; Figure 3 It is a front view structural diagram of the rotation control assembly of the present invention; Figure 4 It is a bottom view structural diagram of the rotation control assembly of the present invention; Figure 5 This is a schematic diagram of the front view structure of the clamping plate and the convex gear rod of the present invention; Figure 6 This is a schematic diagram of the structure of the first rotating motor and the laser light emitting component of the present invention; Figure 7 This is a schematic diagram of the structure of the laser light emitting assembly of the present invention when viewed from above; Figure 8 This is a schematic diagram of the three-dimensional structure of the internal components of the laser light output component of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the focal length adjustment mechanism of the present invention; Fig.10 It is a schematic diagram of the working process of the present invention.

[0016] In the figure: 1. Main mounting bracket; 101. Balance adjustment foot; 2. Rotation control assembly; 201. Motor; 202. Rotation axis; 203. Turntable; 204. Cylinder; 205. Adsorption port; 206. Clamp; 207. Slide bar; 208. Spring; 209. Connecting rod; 210. Movable disk; 211. Piston; 212. Protruding gear rod; 213. Counterweight; 214. Gear; 3. Operation control panel; 4. Y-axis movement control module; 5. Z-axis movement control module; 6. X-axis movement control module; 7. A rotating motor; 8. A first fixed frame; 9. A second rotating motor; 10. A second fixed frame; 11. A laser light output component; 12. An air blowing device; 13. An indicator light; 14. An obstacle avoidance sensor; 15. A field lens; 16. A focusing red light hole; 17. A distance sensor light output hole; 18. A distance sensor light input hole; 19. A laser rangefinder; 20. A focal length adjustment mechanism; 2001. A mounting frame; 2002. A micro motor; 2003. A lead screw; 2004. A movable sleeve; 2005. A first magnification mirror; 2006. A second magnification mirror. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 10The present invention provides a technical solution: an instant zoom automated laser marking device, comprising a main mounting bracket 1, a rotation control assembly 2 is mounted on the main mounting bracket 1, an operation control screen 3 is also mounted on the main mounting bracket 1, a Y-axis movement control module 4 is mounted on the upper end surface of the main mounting bracket 1, a Z-axis movement control module 5 is mounted on the Y-axis movement control module 4, an X-axis movement control module 6 is mounted on the Z-axis movement control module 5, a first rotation motor 7 is mounted on the X-axis movement control module 6, and an output end of the first rotation motor 7 is mounted on the output end of the first rotation motor 7. A first fixing frame 8 is fixed, a second rotating motor 9 is fixed on the first fixing frame 8, a second fixing frame 10 is fixed to the output end of the second rotating motor 9, a laser light emitting component 11 is installed on the second fixing frame 10, a field lens 15 is installed on the lower end surface of the laser light emitting component 11, a focusing red light hole 16 is also installed on the lower end surface of the laser light emitting component 11, a laser rangefinder 19 is installed in the laser light emitting component 11, and the laser rangefinder 19 is aligned with the distance sensor light emitting hole 17 and the distance sensor light inlet hole 18 on the lower end surface of the laser light emitting component 11. In cooperation with each other, a focal length adjustment mechanism 20 is also installed in the laser light output component 11, and the focal length adjustment mechanism 20 includes a mounting frame 2001, a micro motor 2002, a screw 2003, a movable sleeve 2004, a first magnification mirror 2005 and a second magnification mirror 2006. The mounting frame 2001 is fixed in the laser light output component 11, and a micro motor 2002 is installed on the mounting frame 2001. The micro motor 2002 is connected to the screw 2003 through a reducer, and the screw 2003 bearing is connected to the mounting frame 2001. 03 is connected to the movable sleeve 2004 through a thread, and the movable sleeve 2004 and the mounting frame 2001 are slidably connected. The first magnifying lens 2005 is installed on the movable sleeve 2004, and the second magnifying lens 2006 fixed on the mounting frame 2001 is arranged directly below the first magnifying lens 2005. The screw rod 2003 is driven to rotate by the micro motor 2002, so that the movable sleeve 2004 is forced to move, thereby realizing the position adjustment of the first magnifying lens 2005, thereby adjusting the distance between the first magnifying lens 2005 and the second magnifying lens 2006.

[0019] The lower end surface of the main mounting bracket 1 is also equipped with a balance adjustment foot 101, and four balance adjustment feet 101 are provided; the rotation control component 2 includes a motor 201, a rotating shaft 202, a turntable 203, a cylinder 204, a suction port 205, a clamping plate 206, a sliding rod 207, a spring 208, a connecting rod 209, a movable disk 210, a piston 211, a convex gear rod 212, a counterweight 213 and a gear 214, the motor 201 is fixed on the main mounting bracket 1, and the output end of the motor 201 is fixed with a rotating shaft 202, and the rotating shaft 202 is fixed with a turntable 203, and at the same time, the turntable 203 is fixed with a cylinder 204 at an equal angle, and the cylinder 204 is connected to the suction port 205 opened on the turntable 203; a clamping plate 206 is slidably provided above the turntable 203, and the clamping plate 206 is provided with a suction port 205 provided on the turntable 203. A slide bar 207 is fixed, and the slide bar 207 is slidably connected to the rotating disk 203, and a spring 208 is fixed between the clamping plate 206 and the rotating disk 203; one end of a connecting rod 209 is rotatably connected to the clamping plate 206, and the other end of the connecting rod 209 is rotatably connected to the movable disk 210, and a piston 211 is fixed to the movable disk 210, and the piston 211 is slidably connected to the cylinder 204; a convex toothed rod 212 is also fixed to the clamping plate 206, and the convex toothed rod 212 on the left clamping plate 206 is slidably connected to the right clamping plate 206, and a counterweight 213 is fixed to the toothed rod 212, and the weight of the counterweight 213 is greater than the weight of the clamping plate 206; the toothed rod 212 is meshedly connected to the gear 214, and the gear 214 bearing is connected to the rotating shaft 202; When using this instant zoom automated laser marking equipment, such as Figure 1-Figure 10As shown, first fix the workpiece to be processed, and pull the slide bar 207 to drive the clamping plate 206 to move, so as to adjust the distance between the two clamping plates 206, and cooperate with the meshing transmission action between the toothed rod 212 and the gear 214 to ensure that the clamping plates 206 move the same distance, and when the clamping plates 206 move, cooperate with the transmission action of the connecting rod 209, so that the movable disk 210 is forced to move upward, thereby driving the piston 211 to slide upward in the cylinder 204, realizing the exhaust effect of the cylinder 204, and then place the workpiece on the turntable 203 and release the slide bar 207. At this time, under the elastic action of the spring 208, the clamping plate 206 is moved to clamp and position the workpiece, and at this time, the movable disk 210 is forced to move downward, synchronously driving the piston 211 to slide downward in the cylinder 204, realizing the exhaust effect of the cylinder 204. Since the workpiece is located above the suction port 205 at this time, the cylinder 204 can be made to exhaust. A certain negative pressure is formed in the cylinder 204, thereby realizing the secondary adsorption and fixing effect of the workpiece. When the workpiece is a hard workpiece (such as a metal workpiece), the sealing between the workpiece and the adsorption port 205 is poor, and the workpiece is mainly clamped and fixed by the clamping plate 206. When the workpiece is a flexible workpiece (such as rubber), since the rubber can fit tightly with the adsorption port 205, the sealing between the adsorption ports 205 is ensured. At this time, the workpiece can be adsorbed and fixed through the adsorption port 205, so as to meet the fixing requirements of different workpieces and improve the adaptability of the device. After the workpiece is fixed, when the workpiece rotates, since the weight of the counterweight block 213 is greater than the weight of the clamping plate 206, under the action of centrifugal force, the clamping plate 206 has a tendency to move toward the center of the turntable 203, which can provide a secondary force for the clamping plate 206 and the piston 211, thereby ensuring the stability of the workpiece fixation and avoiding deviation when the workpiece rotates. An air blowing device 12 is fixed on the outside of the laser light emitting component 11, and the air blowing device 12 is connected to the air pump through an air guide pipe; an indicator light 13 is also installed on the laser light emitting component 11, and two indicator lights 13 are provided, and one indicator light 13 is a green light indicating a preparation signal, and the other indicator light 13 is a red light indicating a light output signal; an obstacle avoidance sensor 14 is also fixed on the outside of the laser light emitting component 11, and three obstacle avoidance sensors 14 are provided; After the workpiece is fixed, during processing, such as Figure 1-Figure 10 As shown, the specific steps are as follows: A: Start the system and set the preset parameters of the system, including the position of the red light spot detected by the laser rangefinder 19; the position of the laser spot during the cleaning process; the time interval of the position signal given by the laser rangefinder 19 for the software to read; the path parameters of the cleaning image; the axis control speed; the current position information of each axis control; the 3D galvanometer correction parameters; the reference position parameter setting of the laser rangefinder 19; B: Plan the axis control motion path and cleaning image parameters according to the actual workpiece cleaning requirements; C: After starting to run, the system will give priority to initializing the parameters, and from this point on, the system will monitor abnormal data information in real time from the start of the operation until the end of the cleaning, including: data from the obstacle avoidance sensor 14, dual-axis interlocking position information, and information on the position of each axis limit point. For specific instructions, refer to D, E, and F below; D: Data of obstacle avoidance sensor 14: Collect data of three obstacle avoidance sensors 14 fixed at the front end of the laser light emitting component 11. When there is an object near the laser light emitting component 11 or there is a risk of collision during the movement of the laser light emitting component 11, the obstacle avoidance sensor 14 will send a signal to the control card in time. After the control card reads the signal of the obstacle avoidance sensor 14, it will immediately shut down the device to avoid damage to the equipment; E: Biaxial interlocking position information: The self-adjustment of the laser light emitting component 11 can be achieved by driving the first fixed frame 8 to rotate with the first rotating motor 7 and the second fixed frame 10 to rotate with the second rotating motor 9. However, the angles of the two rotating components need to be interlocked to avoid damage to the equipment caused by collision between components or extreme pulling of cables during rotation. The control software reads the interlocking information of the two rotating components in the RotationProtection file and makes a judgment by real-time detection of the biaxial position angle information. If there is an abnormality, the machine will be shut down immediately. F: Information on the position of each axis limit point: Y-axis motion control module 4, Z-axis motion control module 5 and X-axis motion control module 6 are all equipped with limit switches. When the limit switch is touched during movement or path planning, the control software will pop up a pop-up window to remind you to keep the movement of each axis within a safe range; G: When there are no abnormalities at points D, E, and F during operation, the software will first calculate the position difference delay information between the actual laser landing position in the cleaning process and the distance red light landing position according to the red light landing position detected by the laser rangefinder 19 and the laser landing position information during the cleaning process, and calculate the interpolation path and direction through Cartesian coordinate conversion based on the currently read axis control position; H: Start the axis control movement. When the axis control movement starts, the height change information of the workpiece detected by the laser rangefinder 19 is read, processed and recorded synchronously; I: When the axis control moves to the position difference distance of point G, the software will read the workpiece height difference change information recorded at point H to make real-time adjustments to the distance between the first lens 2005 and the second lens 2006 in the focal length adjustment mechanism 20 in the laser light emitting component 11, and start the real-time light emitting thread, so as to always maintain the accuracy of the laser landing point position. When emitting light, the blowing signal will be immediately sent to the solenoid valve to control the blowing device 12 to blow, thereby realizing the slag removal operation; J: In the above process, the monitoring of abnormal data information is always ongoing. No matter which step the process reaches, as long as an abnormality occurs, the current operation will be directly interrupted, thereby effectively ensuring the safe operation of the device. This is the working principle of the instant zoom automatic laser marking equipment.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated laser marking device with instant zoom, comprising a main mounting bracket (1), characterized in that: The main mounting bracket (1) is provided with a rotation control assembly (2), the main mounting bracket (1) is also provided with an operation control screen (3), the upper end surface of the main mounting bracket (1) is provided with a Y-axis movement control module (4), the Y-axis movement control module (4) is provided with a Z-axis movement control module (5), the Z-axis movement control module (5) is provided with an X-axis movement control module (6), the X-axis movement control module (6) is provided with a first rotation motor (7), and the output end of the first rotation motor (7) is fixed with a first fixing frame ( 8), a second rotating motor (9) is fixed to the first fixing frame (8), a second fixing frame (10) is fixed to the output end of the second rotating motor (9), a laser light emitting assembly (11) is mounted on the second fixing frame (10), a field lens (15) is mounted on the lower end surface of the laser light emitting assembly (11), a focusing red light hole (16) is also mounted on the lower end surface of the laser light emitting assembly (11), a laser rangefinder (19) is mounted in the laser light emitting assembly (11), and the laser rangefinder (19) and the lower end surface of the laser light emitting assembly (11) are connected to each other. The distance sensor light-emitting hole (17) and the distance sensor light-entering hole (18) cooperate with each other, and a focus adjustment mechanism (20) is also installed in the laser light-emitting component (11). The focus adjustment mechanism (20) comprises a mounting frame (2001), a micro motor (2002), a screw rod (2003), a movable sleeve (2004), a first magnification mirror (2005) and a second magnification mirror (2006). The mounting frame (2001) is fixed in the laser light-emitting component (11), and a micro motor (2002) is installed on the mounting frame (2001). ), the micro motor (2002) is connected to the screw rod (2003) via a speed reducer, the screw rod (2003) is connected to the mounting frame (2001) via a bearing, the screw rod (2003) is connected to the movable sleeve (2004) via a thread, the movable sleeve (2004) and the mounting frame (2001) are in sliding connection, a first magnification mirror (2005) is installed on the movable sleeve (2004), and a second magnification mirror (2006) fixed to the mounting frame (2001) is arranged directly below the first magnification mirror (2005).

2. The instant zoom automatic laser marking device according to claim 1, characterized in that: The lower end surface of the main mounting bracket (1) is also mounted with a balance adjustment foot (101), and four balance adjustment feet (101) are provided.

3. The instant zoom automatic laser marking device according to claim 1, characterized in that: The rotation control assembly (2) comprises a motor (201), a rotating shaft (202), a rotating disk (203), a cylinder (204), a suction port (205), a clamp (206), a sliding rod (207), a spring (208), a connecting rod (209), a movable disk (210), a piston (211), a convex gear rod (212), a counterweight (213) and a gear (214). The motor (201) is fixed on the main mounting bracket (1), and the output end of the motor (201) is fixed with the rotating shaft (202), and the rotating disk (203) is fixed on the rotating shaft (202). At the same time, the cylinder (204) is fixed at an equal angle on the rotating disk (203), and the cylinder (204) is connected to the suction port (205) provided on the rotating disk (203).

4. The instant zoom automatic laser marking device according to claim 3 is characterized in that: A clamping plate (206) is slidably disposed above the rotating disk (203), a sliding rod (207) is fixed on the clamping plate (206), and the sliding rod (207) and the rotating disk (203) are slidably connected, and a spring (208) is fixed between the clamping plate (206) and the rotating disk (203).

5. The instant zoom automatic laser marking device according to claim 3 is characterized in that: One end of a connecting rod (209) is rotatably connected to the clamping plate (206), and the other end of the connecting rod (209) is rotatably connected to a movable disk (210). A piston (211) is fixed to the movable disk (210), and the piston (211) and the cylinder (204) are slidably connected.

6. The instant zoom automatic laser marking device according to claim 3, characterized in that: A convex toothed rod (212) is also fixed on the clamping plate (206), and the convex toothed rod (212) on the left clamping plate (206) is slidably connected to the right clamping plate (206), and a counterweight (213) is fixed on the toothed rod (212), and the weight of the counterweight (213) is greater than the weight of the clamping plate (206).

7. The instant zoom automatic laser marking device according to claim 3 is characterized by: The gear rod (212) and the gear (214) are meshingly connected, and the gear (214) is bearing-connected to the rotating shaft (202).

8. The instant zoom automatic laser marking device according to claim 1, characterized in that: An air blowing device (12) is fixed on the outside of the laser light emitting component (11), and the air blowing device (12) is connected to an air pump via an air guide pipe.

9. The instant zoom automatic laser marking device according to claim 1, characterized in that: The laser light emitting component (11) is also provided with an indicator light (13), and two indicator lights (13) are provided, one indicator light (13) is a green light indicating a preparation signal, and the other indicator light (13) is a red light indicating a light emitting signal.

10. The instant zoom automatic laser marking device according to claim 1, characterized in that: An obstacle avoidance sensor (14) is also fixed on the outside of the laser light emitting component (11), and three obstacle avoidance sensors (14) are provided.

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