A laser cutting head mounting device with displacement alarm protection

Abstract

The utility model provides a kind of laser cutting head mounting device with displacement alarm protection belongs to laser cutting machine technical field, it solves the technical problems such as existing laser cutting head mounting device displacement monitoring not in time, precision and stability are poor, installation position is fixed, and buffer reset effect is poor etc., including pedestal, magnet mounting plate, cutting head mounting plate, adjusting assembly, baffle and protection plate, magnet is fixed on magnet mounting plate, magnet mounting plate and cutting head mounting plate two sides are respectively equipped with tension spring, infrared distance measuring sensor is equipped on magnet mounting plate, control processor is equipped on pedestal upper end, adjusting assembly is set on cutting head mounting plate.The utility model can monitor the small displacement of laser cutting head in real time, and timely alarm when laser cutting head collision occurs, can conveniently and accurately adjust the position of laser cutting head, structure is stable and easy to maintain, effectively improve the efficiency and safety of laser cutting.

Description

Technical Field

[0001] This utility model belongs to the field of laser cutting machine technology and relates to a laser cutting head mounting device with displacement alarm protection. Background Technology

[0002] With the rapid development of the manufacturing industry towards higher precision and efficiency, laser cutting technology, with its advantages of high cutting speed, high precision, and small heat-affected zone, has been widely used in metal processing, automotive manufacturing, aerospace, and other fields. As the core component of laser cutting equipment, the installation stability, position adjustment accuracy, and safety protection performance of the laser cutting head directly determine the cutting quality and production efficiency, and are crucial for the long-term stable operation of the equipment. Traditional laser cutting head installation devices often suffer from several problems: untimely displacement monitoring, easily leading to equipment damage in case of collision; cumbersome position adjustment operations, with poor accuracy and stability; fixed installation positions, making it difficult to adapt to different cutting scenarios; insufficient stability of the connection structure, poor buffering and reset effect, and inconvenient maintenance. These problems restrict the efficiency and safety of laser cutting.

[0003] Therefore, we propose a laser cutting head mounting device with displacement alarm protection, which can monitor the minute displacement of the laser cutting head in real time and promptly issue an alarm when the laser cutting head collides. It can conveniently and accurately adjust the position of the laser cutting head, has a stable structure and is easy to maintain, and effectively improves the efficiency and safety of laser cutting. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a laser cutting head mounting device with displacement alarm protection. The technical problem this invention aims to solve is: how to enable the laser cutting head mounting device to monitor the minute displacement of the laser cutting head in real time and promptly issue an alarm when the laser cutting head collides, allowing for convenient and precise adjustment of the laser cutting head's position, with a stable structure and easy maintenance, effectively improving the efficiency and safety of laser cutting.

[0005] The objective of this utility model can be achieved through the following technical solutions: A laser cutting head mounting device with displacement alarm protection includes a base, a magnet mounting plate, a cutting head mounting plate, an adjustment assembly, a baffle, and a protective plate. Both the magnet mounting plate and the cutting head mounting plate are vertically arranged. The magnet mounting plate is positioned on the front end face of the lower end of the base, and the cutting head mounting plate is located in front of the magnet mounting plate. Five magnet fixing slots are formed on the front end face of the magnet mounting plate, located at the center and four corners of the front end face. Magnets are fixed inside each of the magnet fixing slots. The rear end face of the cutting head mounting plate is attracted to the five magnets, and the rear end face of the cutting head mounting plate abuts against the front end face of the magnet mounting plate. The left and right sides of the magnet mounting plate and the cutting head mounting plate are respectively... Three tension springs are arranged along the front-rear direction, with their two ends respectively located on the side surfaces of the magnet mounting plate and the cutting head mounting plate. Two symmetrically arranged infrared ranging sensors are located on the front surface of the magnet mounting plate, positioned diagonally opposite each other. A baffle is fixed to the lower end of the base, with the lower surfaces of both the magnet mounting plate and the cutting head mounting plate abutting against the baffle. A mounting cavity is formed at the upper end of the base, and a protective plate is positioned at the upper end of the base, corresponding to the mounting cavity. A control processor is located inside the mounting cavity, and the infrared ranging sensors are electrically connected to the control processor. An adjustment assembly is located on the front surface of the cutting head mounting plate, and the laser cutting head is located at the front end of the adjustment assembly.

[0006] The working principle of this utility model is as follows: the magnet mounting plate attracts the cutting head mounting plate through the magnets in the five magnet fixing slots on its front end face, and the rear end face of the cutting head mounting plate abuts against the front end face of the magnet mounting plate. Three tension springs are respectively provided on the left and right sides of the magnet mounting plate and the cutting head mounting plate, arranged in the front-rear direction. The two ends of the tension springs are respectively connected to the side end faces of the magnet mounting plate and the cutting head mounting plate, serving to assist in fixing, buffering, and resetting. Two infrared ranging sensors are provided diagonally on the front end face of the magnet mounting plate. A baffle is fixed to the lower end of the base, and the lower end faces of the magnet mounting plate and the cutting head mounting plate abut against the baffle. The upper part of the base has a control processor in the mounting cavity. The infrared ranging sensor is connected to the control processor. The adjustment component is set on the front face of the cutting head mounting plate. The laser cutting head is set on the front of the adjustment component. The position of the laser cutting head can be adjusted by the adjustment component. When the laser cutting head collides, the position between the magnet mounting plate and the cutting head mounting plate changes. The infrared ranging sensor detects the distance change and transmits the signal to the control processor. The control processor controls the laser cutting machine to stop and controls the laser cutting machine's audible and visual alarm to issue an audible and visual alarm, thereby realizing the displacement alarm protection function.

[0007] The adjustment assembly includes a moving block and an adjusting block. Two symmetrical limiting plates are fixed on the front end face of the cutting head mounting plate. The limiting plates are vertically arranged. A vertically arranged rack is fixed on the end face of each limiting plate facing each other. The moving block is slidably arranged between the two limiting plates in the vertical direction. Gears are rotatably provided on both the left and right ends of the moving block. The gears mesh with the racks on the same side. A drive shaft and a worm gear are rotatably provided inside the moving block. The two ends of the drive shaft are respectively connected to the rotating shaft of the worm gear and the rotating shaft of one of the gears. A vertical worm is rotatably provided inside the moving block. The worm is connected to the worm gear. The upper end of the worm extends out of the moving block. The adjusting block is fixed on the upper end of the worm. The laser cutting head is fixed on the front end of the moving block.

[0008] With the above structure, two limiting plates are fixed on the front end face of the cutting head mounting plate. The moving block is slidably set in the vertical direction. When the adjusting block is rotated, the worm rotates and drives the worm wheel to rotate. The worm wheel drives the gear to rotate through the transmission shaft. The gear rolls along the rack, thereby causing the moving block to move in the vertical direction along the limiting plate, so as to realize the vertical position adjustment of the laser cutting head installed at the front end of the adjusting component.

[0009] A vertically arranged slide rail is fixed on one side end face of the limiting plates facing each other, and a vertically arranged slide groove is opened on both the left and right end faces of the moving block. The moving block is slidably positioned between the two limiting plates through the slide rail and the slide groove.

[0010] With the above structure, a slide rail is fixed on the limiting plate and a slide groove is opened on the moving block. Through the cooperation of the slide rail and the slide groove, the moving block can slide stably in the vertical direction between the two limiting plates.

[0011] The front end face of the movable block has a number of mounting holes arranged in a rectangular array.

[0012] With the above structure, several mounting holes are provided on the front end face of the moving block. These mounting holes are used to provide multiple mounting positions for the laser cutting head, so that the appropriate mounting point can be selected according to actual needs, realizing convenient installation and position adjustment of the laser cutting head on the front end face of the moving block, thereby better adapting to different cutting scenarios and processing requirements.

[0013] The upper end of the adjusting block has an internal hexagonal hole.

[0014] With the above structure, the internal hexagonal hole can be used with an internal hexagonal wrench, allowing operators to easily adjust the position of the laser cutting head by rotating the adjustment block with the internal hexagonal wrench, thus improving the convenience and stability of the adjustment operation.

[0015] Three pin seats are fixed on the left and right end faces of the magnet mounting plate and the cutting head mounting plate, and pins are provided at both ends of the tension spring. The pins are located inside the corresponding pin seat holes.

[0016] By adopting the above structure, the two ends of the tension spring can be detachably connected to the magnet mounting plate and the cutting head mounting plate through the cooperation of the pin and the pin seat. This ensures that the tension spring can stably play its role in auxiliary fixing, buffering and resetting, and also facilitates the installation, replacement and maintenance of the tension spring.

[0017] An opening is provided at the upper end of the protective plate.

[0018] With the above structure, the clearance opening can provide a space channel for wiring, maintenance and other operations of the control processor inside the installation cavity without removing the protective plate. This not only ensures the protective effect of the protective plate on the internal components of the installation cavity, but also improves the convenience of equipment maintenance.

[0019] Compared with existing technologies, this laser cutting head mounting device with displacement alarm protection has the following advantages: 1. By setting up an infrared ranging sensor, the distance between the magnet mounting plate and the cutting head mounting plate is monitored in real time. Once a collision occurs and the position changes, the control processor can be quickly triggered to stop the machine and issue an audible and visual alarm, thus protecting the equipment safety.

[0020] 2. The laser cutting head position can be adjusted using the wrench interface by the cutting head mounting plate and adjustment components. The operation is convenient, and the accuracy and stability are high. The rectangular array mounting holes provide multiple installation positions for the laser cutting head, which can be flexibly selected according to needs to adapt to different cutting scenarios.

[0021] 3. Through the cooperation of magnets and tension springs, the magnets attract the cutting head mounting plate, and the tension springs help to fix the cutting head mounting plate, so that the cutting head mounting plate and the magnet mounting plate maintain a stable relative position. The tension springs realize the buffer reset function. The reasonable connection of each component ensures the overall stability of the device during operation. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model.

[0023] Figure 2 This is an exploded structural diagram of some components in this utility model.

[0024] Figure 3 This is an exploded structural diagram of the magnet mounting plate and the cutting head mounting plate in this utility model.

[0025] Figure 4 This is a three-dimensional structural diagram of the adjustment component in this utility model.

[0026] Figure 5 This is a cross-sectional structural diagram of the adjustment component in this utility model.

[0027] In the diagram, 1. Base; 2. Magnet mounting plate; 3. Cutting head mounting plate; 4. Adjustment assembly; 5. Magnet; 6. Tension spring; 7. Infrared ranging sensor; 8. Baffle; 9. Protective plate; 10. Limiting plate; 11. Moving block; 12. Rack; 13. Gear; 14. Drive shaft; 15. Worm gear; 16. Worm; 17. Adjustment block; 18. Slide rail; 19. Slide groove; 20. Mounting hole; 21. Hexagonal socket; 22. Pin seat; 23. Pin; 24. Clearance opening. Detailed Implementation

[0028] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0029] like Figures 1-5 As shown, this laser cutting head mounting device with displacement alarm protection includes a base 1, a magnet mounting plate 2, a cutting head mounting plate 3, an adjustment assembly 4, a baffle 8, and a protective plate 9. Both the magnet mounting plate 2 and the cutting head mounting plate 3 are vertically arranged. The magnet mounting plate 2 is located on the front end face of the lower end of the base 1, and the cutting head mounting plate 3 is located in front of the magnet mounting plate 2. Five magnet fixing slots are formed on the front end face of the magnet mounting plate 2, located at the center and four corners of the front end face. Magnets 5 are fixed inside each magnet fixing slot. The rear end face of the cutting head mounting plate 3 is attracted to the five magnets 5, and the rear end face of the cutting head mounting plate 3 abuts against the front end face of the magnet mounting plate 2. The left and right sides of the magnet mounting plate 2 and the cutting head mounting plate 3 are respectively... Three tension springs 6 are arranged along the front-rear direction. The two ends of the tension springs 6 are respectively set on the side end faces of the magnet mounting plate 2 and the cutting head mounting plate 3. Two infrared ranging sensors 7 are symmetrically arranged on the front end face of the magnet mounting plate 2. The two infrared ranging sensors 7 are located at diagonal positions of the magnet mounting plate 2. A baffle 8 is fixed to the lower end of the base 1. The lower end faces of the magnet mounting plate 2 and the cutting head mounting plate 3 abut against the baffle 8. An installation cavity is opened at the upper end of the base 1. A protective plate 9 is set at the upper end of the base 1. The position of the protective plate 9 corresponds to the installation cavity. A control processor is set inside the installation cavity. The infrared ranging sensors 7 are electrically connected to the control processor. An adjustment component 4 is set on the front end face of the cutting head mounting plate 3. The laser cutting head is set at the front end of the adjustment component 4.

[0030] In this embodiment, the magnet mounting plate 2 attracts the cutting head mounting plate 3 through the magnets 5 in the five magnet fixing slots on its front end face, and the rear end face of the cutting head mounting plate 3 abuts against the front end face of the magnet mounting plate 2. Three tension springs 6 are respectively provided on the left and right sides of the magnet mounting plate 2 and the cutting head mounting plate 3, arranged in the front-rear direction. The two ends of the tension springs 6 are respectively connected to the side end faces of the magnet mounting plate 2 and the cutting head mounting plate 3, serving to assist in fixing, buffering, and resetting. Two infrared ranging sensors 7 are provided on the front end face of the magnet mounting plate 2 at diagonal positions. A baffle 8 is fixed to the lower end of the base 1, and the lower end faces of the magnet mounting plate 2 and the cutting head mounting plate 3 abut against the baffle 8. On plate 8, a control processor is installed in the mounting cavity at the upper end of base 1. Infrared ranging sensor 7 is connected to the control processor. Adjustment component 4 is set on the front end face of cutting head mounting plate 3. Laser cutting head is set on the front end of adjustment component 4. The position of laser cutting head can be adjusted by adjustment component 4. When laser cutting head collides, the position between magnet mounting plate 2 and cutting head mounting plate 3 changes. Infrared ranging sensor 7 detects the distance change and transmits the signal to control processor. Control processor controls laser cutting machine to stop and controls laser cutting machine's audible and visual alarm to issue an audible and visual alarm, thereby realizing displacement alarm protection function.

[0031] The adjustment assembly 4 includes a moving block 11 and an adjustment block 17. Two symmetrical limiting plates 10 are fixed on the front end face of the cutting head mounting plate 3. The limiting plates 10 are vertically arranged. A vertically arranged rack 12 is fixed on the side end face of the two limiting plates 10 facing each other. The moving block 11 is slidably arranged between the two limiting plates 10 in the vertical direction. Gears 13 are rotatably arranged on both the left and right ends of the moving block 11. The gears 13 mesh with the racks 12 on the same side. A drive shaft 14 and a worm gear 15 are rotatably arranged inside the moving block 11. The two ends of the drive shaft 14 are respectively connected to the rotating shaft of the worm gear 15 and the rotating shaft of one of the gears 13. A vertical worm 16 is rotatably arranged inside the moving block 11. The worm 16 is connected to the worm gear 15. The upper end of the worm 16 extends out of the moving block 11. The adjustment block 17 is fixed on the upper end of the worm 16. The laser cutting head is fixed on the front end of the moving block 11.

[0032] In this embodiment, two limiting plates 10 are fixed on the front end face of the cutting head mounting plate 3, and the moving block 11 is slidably set in the vertical direction. When the adjusting block 17 is rotated, the worm 16 rotates and drives the worm wheel 15 to rotate. The worm wheel 15 drives the gear 13 to rotate through the transmission shaft 14. The gear 13 rolls along the rack 12, thereby causing the moving block 11 to move in the vertical direction along the limiting plate 10, so as to realize the vertical position adjustment of the laser cutting head installed at the front end of the adjusting component 4.

[0033] A vertically arranged slide rail 18 is fixed on one side end face of the limiting plate 10 facing each other, and a vertically arranged slide groove 19 is opened on both the left and right end faces of the moving block 11. The moving block 11 is slidably arranged between the two limiting plates 10 through the slide rail 18 and the slide groove 19.

[0034] In this embodiment, a slide rail 18 is fixed on the limiting plate 10, and a slide groove 19 is provided on the moving block 11. Through the cooperation of the slide rail 18 and the slide groove 19, the moving block 11 can slide stably in the vertical direction between the two limiting plates 10.

[0035] The front end face of the movable block 11 has a number of mounting holes 20 arranged in a rectangular array.

[0036] In this embodiment, a plurality of mounting holes 20 are provided on the front end face of the movable block 11. These mounting holes 20 are used to provide multiple mounting positions for the laser cutting head, so as to select the appropriate mounting point according to actual needs, realize the convenient installation and position adjustment of the laser cutting head on the front end face of the movable block 11, and thus better adapt to different cutting scenarios and processing needs.

[0037] The upper end of the adjusting block 17 has an internal hexagonal hole 21.

[0038] In this embodiment, the internal hexagonal hole 21 can be used with an internal hexagonal wrench, which allows the operator to adjust the position of the laser cutting head by rotating the adjusting block 17 with the internal hexagonal wrench, thereby improving the convenience and stability of the adjustment operation.

[0039] Three pin seats 22 are fixed on the left and right end faces of the magnet mounting plate 2 and the cutting head mounting plate 3. The two ends of the tension spring 6 are respectively provided with pins 23, and the pins 23 are respectively located inside the insertion holes of the corresponding pin seats 22.

[0040] In this embodiment, the two ends of the tension spring 6 are detachably connected to the magnet mounting plate 2 and the cutting head mounting plate 3 by the cooperation of the pin 23 and the pin seat 22. This ensures that the tension spring 6 can stably play the role of auxiliary fixing, buffering and resetting, and also facilitates the installation, replacement and maintenance of the tension spring 6.

[0041] An avoidance opening 24 is provided at the upper end of the protective plate 9.

[0042] In this embodiment, the clearance opening 24 can provide a space channel for wiring, maintenance and other operations of the control processor inside the installation cavity without disassembling the protective plate 9. This ensures the protective effect of the protective plate 9 on the components inside the installation cavity and improves the convenience of equipment maintenance.

[0043] The working principle of this utility model is as follows: The base 1 serves as the basic component, with a magnet mounting plate 2 at its lower end and a cutting head mounting plate 3 at its front. The lower ends of both plates abut against the baffle 8. The magnet mounting plate 2 is attracted to the cutting head mounting plate 3 by magnets 5 in the five magnet fixing slots at the center and four corners of its front end face. The three pin seats 22 on the left and right end faces of both plates are connected to tension springs 6 through pins 23. The tension springs 6 play a role in auxiliary fixing, buffering, and resetting. Two infrared ranging sensors 7 are provided at the diagonal positions of the front end face of the magnet mounting plate 2. The control processor inside the mounting cavity at the upper end of the base 1 is electrically connected to the infrared ranging sensors 7. The protective plate 9 is set corresponding to the mounting cavity, and the clearance opening 24 at its upper end facilitates the wiring and maintenance of the control processor. In the adjustment assembly 4 on the front end face of the cutting head mounting plate 3, two vertically set limit plates 10 are fixed with racks 12 and slide rails 18 on opposite sides. The moving block 11 moves vertically along the slide rails 18 through the sliding grooves 19 on both sides. The laser cutting head slides in a straight direction. The gears 13 at its left and right ends mesh with the rack 12. The two ends of the internal transmission shaft 14 are respectively connected to the worm gear 15 and one of the gears 13. The vertical worm 16 is connected to the worm gear 15 and the upper end extends out of the moving block 11 and is fixed with the adjusting block 17. The internal hexagonal hole 21 at the upper end of the adjusting block 17 can be rotated with an internal hexagonal wrench. The mounting holes 20 distributed in a rectangular array on the front end face of the moving block 11 are used to fix the laser cutting head. During operation, by rotating the adjusting block 17, the worm 16, worm gear 15, transmission shaft 14 and gear 13 are driven to rotate, so that the moving block 11 moves vertically along the limiting plate 10 to realize the position adjustment of the laser cutting head. When the laser cutting head collides, the relative position of the magnet mounting plate 2 and the cutting head mounting plate 3 changes. The infrared distance sensor 7 detects the distance change and transmits the signal to the control processor. The control processor stops the laser cutting machine and issues an alarm through the sound and light alarm to realize the displacement alarm protection function.

[0044] In summary, by setting up an infrared ranging sensor 7, the distance between the magnet mounting plate 2 and the cutting head mounting plate 3 is monitored in real time. Once a collision occurs and the position changes, the control processor can be quickly triggered to stop the machine and issue an audible and visual alarm, thus protecting the equipment safety. The laser cutting head can be adjusted by using the wrench interface through the cutting head mounting plate 3 and the adjustment component 4. The operation is convenient and the accuracy and stability are high. The rectangular array mounting holes 20 provide multiple installation positions for the laser cutting head, which can be flexibly selected according to the needs and adapted to different cutting scenarios. With the cooperation of magnet 5 and tension spring 6, magnet 5 attracts cutting head mounting plate 3, and tension spring 6 helps to fix cutting head mounting plate 3, so that cutting head mounting plate 3 and magnet mounting plate 2 maintain a stable relative position. Tension spring 6 realizes the buffer reset function. The reasonable connection of each component ensures the overall stability of the device during operation.

[0045] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A laser cutting head mounting device with displacement alarm protection, comprising a base (1), a magnet mounting plate (2), a cutting head mounting plate (3), an adjustment assembly (4), a baffle (8), and a protective plate (9), characterized in that, Both the magnet mounting plate (2) and the cutting head mounting plate (3) are vertically arranged. The magnet mounting plate (2) is located on the front end face of the lower end of the base (1), and the cutting head mounting plate (3) is located in front of the magnet mounting plate (2). Five magnet fixing slots are provided on the front end face of the magnet mounting plate (2). The five magnet fixing slots are located at the center and four corners of the front end face of the magnet mounting plate (2). Magnets (5) are fixed inside each magnet fixing slot. The rear end face of the cutting head mounting plate (3) is attracted to the five magnets (5), and the rear end face of the cutting head mounting plate (3) abuts against the front end face of the magnet mounting plate (2). Three tension springs (6) are provided on the left and right sides of the magnet mounting plate (2) and the cutting head mounting plate (3) respectively, arranged in the front-back direction. The two ends of the tension springs (6) are respectively located on the magnet mounting plate (2). On the side end faces of the mounting plate (2) and the cutting head mounting plate (3), two symmetrically arranged infrared ranging sensors (7) are provided on the front end face of the magnet mounting plate (2). The two infrared ranging sensors (7) are located at the diagonal positions of the magnet mounting plate (2). The baffle (8) is fixed at the lower end of the base (1). The lower end faces of the magnet mounting plate (2) and the cutting head mounting plate (3) are both in contact with the baffle (8). The upper end of the base (1) is provided with a mounting cavity. The protective plate (9) is set at the upper end of the base (1). The position of the protective plate (9) corresponds to the mounting cavity. The mounting cavity is provided with a control processor. The infrared ranging sensors (7) are electrically connected to the control processor. The adjustment component (4) is set on the front end face of the cutting head mounting plate (3). The laser cutting head is set at the front end of the adjustment component (4).

2. A laser cutting head mounting device with displacement alarm protection according to claim 1, characterized in that, The adjustment assembly (4) includes a moving block (11) and an adjustment block (17). Two symmetrical limiting plates (10) are fixed on the front end face of the cutting head mounting plate (3). The limiting plates (10) are vertically arranged. A vertically arranged rack (12) is fixed on the side end face of the two limiting plates (10) facing each other. The moving block (11) is slidably arranged between the two limiting plates (10) in the vertical direction. Gears (13) are rotatably arranged on both the left and right ends of the moving block (11). The gears (13) and the racks (12) on the same side are rotatably arranged. The moving block (11) is equipped with a drive shaft (14) and a worm gear (15) for internal rotation. The two ends of the drive shaft (14) are respectively connected to the rotating shaft of the worm gear (15) and the rotating shaft of one of the gears (13). The moving block (11) is equipped with a vertical worm (16) for internal rotation. The worm (16) is connected to the worm gear (15) for transmission. The upper end of the worm (16) extends out of the moving block (11). The adjusting block (17) is fixed at the upper end of the worm (16). The laser cutting head is fixed at the front end of the moving block (11).

3. A laser cutting head mounting device with displacement alarm protection according to claim 2, characterized in that, The limiting plates (10) are fixed with vertically arranged slide rails (18) on one side facing each other. The moving block (11) is provided with vertically arranged slide grooves (19) on both the left and right sides. The moving block (11) is slidably arranged between the two limiting plates (10) through the slide rails (18) and slide grooves (19).

4. The laser cutting head mounting device with displacement alarm protection according to claim 3, characterized in that, The front end face of the movable block (11) is provided with a plurality of mounting holes (20) arranged in a rectangular array.

5. A laser cutting head mounting device with displacement alarm protection according to claim 4, characterized in that, The upper end of the adjusting block (17) is provided with an internal hexagonal hole (21).

6. A laser cutting head mounting device with displacement alarm protection according to claim 5, characterized in that Three pin seats (22) are fixed on the left and right end faces of the magnet mounting plate (2) and the cutting head mounting plate (3). The two ends of the tension spring (6) are respectively provided with pins (23), and the pins (23) are respectively located inside the insertion holes of the corresponding pin seats (22).

7. A laser cutting head mounting device with displacement alarm protection according to claim 6, characterized in that The upper end of the protective plate (9) is provided with an avoidance opening (24).

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