CN112474607B - A shock-proof mechanism for a laser cleaning machine - Google Patents

Abstract

The invention discloses an anti-vibration mechanism for a laser cleaning machine, which relates to the technical field of laser cleaning. The main points of the technical solution are: comprising a machine table and a laser main machine, the bottom of the laser main machine is provided with a magnetic suspension base, and the machine table is provided with a A magnetic levitation device for providing a magnetic levitation force to a magnetic levitation base, the magnetic levitation device is arranged below the magnetic levitation base, the magnetic levitation device is connected with a control system for controlling the magnetic levitation force, a support base is provided at the bottom of the machine table, and the support base is connected with the machine. A buffer piece for providing buffer force is arranged between the tables, one end of the buffer piece is connected to the support base, and the other end is connected with a support piece, and the support piece abuts against the bottom of the machine table. The invention can improve the shock absorption effect, can improve the shock absorption effect, and can adjust the magnetic levitation force according to the requirements, meet the shock absorption requirements in different working environments, improve the stability of the laser host, and has the effect of improving the stability of its laser beam output. .

Description

A shock-proof mechanism for a laser cleaning machine

technical field

The invention relates to the technical field of laser cleaning, and more particularly, to an anti-vibration mechanism of a laser cleaning machine.

Background technique

Laser cleaning has the characteristics of no grinding, non-contact, no thermal effect and is suitable for objects of various materials, and is considered to be a reliable and effective cleaning method. In the process of laser cleaning, the vibration adjustment of the environment is very strict. When cleaning large workpieces at the work site, it is often necessary to move the laser cleaning machine while laser cleaning, and the movement of the laser cleaning machine is easily affected by external forces. Vibration, This in turn affects the normal output of the laser beam. In the prior art, a shock-absorbing spring is usually installed on the base of the laser cleaning machine, and the vibration generated during its movement is transmitted to the shock-absorbing spring and converted into the internal energy of the shock-absorbing spring, thereby reducing the impact on the components on the base. vibration, reduce the vibration of the laser cleaning machine.

For example, the Chinese patent with the authorization announcement number of CN209715925U and the announcement date of 2019.12.03 discloses a shell of a laser cleaning equipment, which consists of a base, a left fixing plate, a right fixing plate, a rear fixing plate, a front fixing frame and a front fixing plate. In the main structure of the invention, the front fixing plate is a detachable structure, which is convenient for maintenance. The first installation groove, the support spring and the support leg constitute the bottom shock absorption structure of the invention, and the vibration generated during the movement of the traveling wheel is transmitted to the shock absorption spring. And it is converted into the internal energy of the shock-absorbing spring, thereby reducing the vibration of the components above the base. In addition, the anti-collision of the left fixed plate is composed of the installation strip, the second installation slot, the L-shaped connecting piece, the left panel and the shock-absorbing spring. When the left panel directly collides with the obstacle, the left panel transmits the collision force to the shock absorbing spring, and the shock absorbing spring converts it into internal energy, reducing the shock to the internal components of the present invention and effectively protecting the internal components.

Through the setting of the shock-absorbing spring, the shock-absorbing and buffering effect can be provided to reduce the vibration to the internal components during vibration. However, the elastic force of the shock-absorbing spring is fixed, which will always cause the internal components to vibrate and shake during shock-absorbing, resulting in unstable laser beam output. In response to different working environments, there will be shock-absorbing deviations, and the shock-absorbing effect is poor, which will affect the main body. The structure causes some shaking, which affects the normal output of the laser beam.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a shock-proof mechanism for a laser cleaning machine, which can improve the shock-absorbing effect, and can adjust the magnetic levitation force according to the needs, so as to meet the shock-absorbing requirements in different working environments, and improve the laser host. It has the effect of improving the stability of its laser beam output.

For achieving the above object, the present invention provides the following technical solutions:

An anti-vibration mechanism of a laser cleaning machine includes a machine table and a laser main machine arranged on the machine table, the laser main machine is provided with a laser generator and a related main machine capable of generating a laser beam, and the side wall of the machine table is provided with a laser generator and a related main machine. At least one laser external pipeline, the bottom of the laser host is provided with a magnetic levitation base, the machine table is provided with a magnetic levitation device for providing a magnetic levitation force to the magnetic levitation base, the magnetic levitation device is arranged below the magnetic levitation base, and the magnetic levitation device is connected There is a control system for controlling the magnetic levitation force, the bottom of the machine table is provided with a support seat, a buffer member for providing buffer force is arranged between the support seat and the machine table, and one end of the buffer member is connected to the support seat, The other end is connected with a support piece and abuts against the bottom of the machine table through the support piece.

Further arrangement: the buffer member includes a guide rod slidably penetrated into the support seat and a return spring sleeved outside the guide rod, one end of the guide rod away from the support seat is fixedly connected to the support sheet, and both ends of the return spring are They are respectively in contact with the support seat and the support sheet. The support seat is provided with a guide groove for the guide rod to slide, and a limit groove is provided under the guide groove. The guide rod is provided with a limit ring, and the limit ring It is slidably arranged in the limiting groove, and the limiting ring is in contact with the bottom of the limiting groove.

Further settings: the limit ring is provided with an adjustment member for adjusting the position of the limit ring on the guide rod, and the bottom of the support seat is provided with a pressure sensor for sensing the magnitude of the collision force between the support seat and the environment, the pressure The sensor is connected with the control system, and the adjusting member is connected and controlled by the control system.

Further setting: the adjusting member includes a motor arranged on the limit ring, a self-locking reducer connected with the output end of the motor, and a gear connected with the output end of the self-locking reducer, and the guide rod is inserted into the limit groove The outer wall of the gear rack is provided with a rack, the extension direction of the rack is consistent with the axial direction of the guide rod, the gear is meshed with the rack, and the motor is connected and controlled by the control system.

Further setting: the reset spring includes an inner buffer spring and an outer buffer spring, the outer buffer spring is sleeved outside the inner buffer spring, and one end of the inner buffer spring and the outer buffer spring is connected to the support seat, and the other end is connected to the support seat. They are all connected to the support piece, and the elastic force of the inner buffer spring is greater than that of the outer buffer spring.

Further settings: the front and rear positions of the machine table are slid with test seats, the machine table is provided with a moving groove for the test seat to slide, and the test seat slides on one end of the moving groove to connect a measurement spring, and the measurement spring One end away from the test seat is connected with a pressure tester, the pressure tester is installed in the moving groove, and when the measuring spring is not stressed, the bottom of the test seat is not higher than the horizontal plane of the bottom of the support seat, the The pressure tester is connected to the control system.

Further setting: the magnetic suspension device includes an electromagnet set on the machine table, a power supply device electrically connected to the electromagnet, and a transmission current regulator connected between the electromagnet and the power supply device, and the magnetic suspension base is set to be connected with the electromagnetic device. The ferromagnetic attracts and repels the magnetic base, the power supply and the delivery current regulator are both connected and controlled by the control system.

Further setting: a lifting guide groove is arranged on the side wall of the magnetic suspension base, a guide block is arranged for lifting and sliding in the lifting guide groove, a displacement rod is connected to the guide block, and a displacement groove is arranged on the side wall of the machine table A moving block is installed in the displacement groove for lifting and sliding, and one end of the displacement rod away from the guide block slides through the moving block and is set outside the machine table. The displacement rod is sleeved with a positioning spring, and two parts of the positioning spring The ends are respectively connected to the moving block and the guide block.

Further setting: the magnetic suspension base is provided with a first dynamometer for testing the magnitude of the magnetic force, and the first dynamometer is connected to the control system.

Further settings: the machine is provided with a second dynamometer for measuring the gravity of the laser host and a distance measuring sensor for detecting the distance between the magnetic suspension base and the machine. The distance sensors are all connected to the control system.

By adopting the above-mentioned technical scheme, the present invention has the following advantages compared with the prior art:

1. Through the cooperation of the magnetic levitation device and the magnetic levitation base, the laser host can be magnetically suspended on the machine table, so that the laser host can be prevented from shaking when the machine is damped and buffered, and the shock absorption effect can be improved, and the magnetic levitation force can be controlled and adjusted by the control system. Meet the shock absorption requirements in different working environments, improve the stability of the laser host, and have the effect of improving the stability of its laser beam output;

2. It is convenient to adjust the elastic force of the return spring through the cooperation of the buffer part and the adjustment part, so as to adjust the buffer force provided by the buffer part to meet the shock absorption requirements under different working conditions, improve the shock absorption effect, reduce the shaking of the machine, and further Improve the stability of the laser host, with the effect of improving the stability of its laser beam output;

3. Through the cooperation of the inner buffer spring and the outer buffer spring, the adjustment range of the buffer force is improved, and when providing shock absorption, the elastic force of the two is used to improve the buffer force effect and effectively improve the shock resistance effect;

4. Through the set test seat, measuring spring and pressure testing machine, the test seat can be used to measure the shock-absorbing elastic force when the machine is traveling, and the feedback is sent to the control system to determine the required elastic force, and then the control system can adjust it. It is convenient for the support seat to be able to stabilize shock absorption and improve the shock absorption effect;

5. Through the sliding fit of the guide block and the moving block to the positioning spring, it can improve the stability of the magnetic suspension base when it is suspended by magnetic force, improve the stability of the laser host, and has the effect of improving the stability of its laser beam output.

Description of drawings

Fig. 1 is the structural schematic diagram of the shock-proof mechanism of the laser cleaning machine;

Fig. 2 is the sectional structure schematic diagram of the shock-proof mechanism of the laser cleaning machine;

FIG. 3 is an enlarged schematic view of A in FIG. 2 .

In the figure: 1. Machine; 2. Laser host; 3. Laser generator; 4. Related host; 5. Laser external pipeline; 6. Magnetic suspension base; 61. Lifting guide groove; 62. Guide block; 63. Displacement Rod; 7. Magnetic levitation device; 71. Electromagnet; 72. Power supply; 73. Conveying current regulator; 8. Control system; 9. Support seat; 91. Guide slot; 92. Limit slot; 10. Buffer; 101, guide rod; 102, return spring; 1021, inner buffer spring; 1022, outer buffer spring; 103, limit ring; 11, support piece; 12, adjustment piece; 121, motor; 122, self-locking reducer; 123, gear; 124, rack; 13, pressure sensor; 14, test seat; 15, moving groove; 16, measuring spring; 17, pressure test gauge; 18, displacement groove; 181, moving block; 19, positioning spring; 20. The first dynamometer; 21. The second dynamometer; 22. The distance measuring sensor.

Detailed ways

The shock-proof mechanism of the laser cleaning machine will be further described with reference to FIG. 1 to FIG. 3 .

An anti-vibration mechanism of a laser cleaning machine, as shown in Figure 1, includes a machine 1 and a laser host 2 arranged on the machine 1. The machine 1 and the laser host 2 are installed in a closed shell, and the laser host 2 is provided with A laser generator 3 capable of generating a laser beam and a related host 4 have at least one laser external pipeline 5 on the side wall of the machine table 1, so as to generate laser light for the cleaning machine to use.

As shown in FIG. 1 and FIG. 2 , a support base 9 is provided at the bottom of the machine table 1 , a buffer member 10 for providing buffer force is provided between the support base 9 and the machine table 1 , and one end of the buffer member 10 is connected to the support base 9 The other end is connected with a support piece 11 and abuts against the bottom of the machine 1 through the support piece 11, so as to reduce the vibration of the machine 1 and provide a shockproof effect. Specifically, as shown in FIG. 3 , the buffer member 10 includes a guide rod 101 slidably penetrated into the support base 9 and a return spring 102 sleeved outside the guide rod 101 , and one end of the guide rod 101 away from the support base 9 is fixedly connected On the support sheet 11 , the two ends of the return spring 102 are in contact with the support seat 9 and the support sheet 11 respectively. The support seat 9 is provided with a guide groove 91 for the guide rod 101 to slide, and the guide rod 101 slides with the guide groove 91 The guide fit is convenient for the return spring 102 to stably provide a buffering return elastic force to reduce vibration.

As shown in FIG. 2 and FIG. 3 , further, the return spring 102 includes an inner buffer spring 1021 and an outer buffer spring 1022 , the outer buffer spring 1022 is sleeved outside the inner buffer spring 1021 , and the inner buffer spring 1021 and the outer buffer spring 1022 are One end is connected to the support base 9, the other end is connected to the support sheet 11, and the axes of the two are on the same straight line, so as to use the elastic force of the two to improve the buffer force effect and effectively improve the shockproof effect. Among them, the elastic force of the inner buffer spring 1021 is greater than that of the outer buffer spring 1022, which can improve the adjustment range of the elastic force, and reduce the deformation range of the inner buffer spring 1021 when providing shock absorption, so as to prevent it from interfering with the elastic deformation ability of the outer buffer spring 1022. Ensure stability and provide elastic buffering.

As shown in FIG. 2 and FIG. 3 , a limit groove 92 is provided below the guide groove 91, the limit groove 92 is connected to the guide groove 91, and the cross section of the limit groove 92 is larger than the cross section of the guide groove 91. One end of the rod 101 penetrates into the limit groove 92, and a limit ring 103 is provided at the position where the guide rod 101 penetrates into the limit groove 92. The limit ring 103 is slidably arranged in the limit groove 92, and the return spring 102 does not When the force is applied, the limit ring 103 abuts against the top of the limit groove 92, thereby preventing the guide rod 101 from detaching from the guide groove 91, and when the return spring 102 is reset, it can cooperate with the limit effect of the limit ring 103 to improve the reset speed. and stability. Wherein, the limit ring 103 is provided with an adjusting member 12 for adjusting the position of the limit ring 103 on the guide rod 101 , which is convenient to adjust the position of the limit ring 103 on the guide rod 101 to adjust the penetration limit of the guide rod 101 The length in the slot 92 can be adjusted to adjust the height of the support piece 11 and adjust the elastic force of the return spring 102 to make it suitable for shock absorption requirements in various scenarios. Among them, the bottom of the support base 9 is provided with a pressure sensor 13 for sensing the magnitude of the collision force between the support base 9 and the environment, the pressure sensor 13 is connected with the control system 8 , and the adjusting member 12 is connected and controlled by the control system 8, so that the pressure sensor 13 can be easily passed through. Cooperate with the control system 8 to realize automatic adjustment and improve the convenience of use.

As shown in FIGS. 2 and 3 , the adjusting member 12 includes a motor 121 disposed on the limit ring 103 , a self-locking reducer 122 connected to the output end of the motor 121 , and a gear connected to the output end of the self-locking reducer 122 . 123. A rack 124 is fixed on the outer wall of the guide rod 101 inserted into the limit slot 92, the extension direction of the rack 124 is consistent with the axial direction of the guide rod 101, the gear 123 is meshed with the rack 124, the motor 121 is connected and is Controlled on the control system 8. By driving the gear 123 to rotate by the motor 121, the gear 123 can be driven to move along the extending direction of the rack 124, thereby driving the limit ring 103 to move, adjust the position of the limit ring 103 on the guide rod 101, and adjust the height of the support piece 11. The stress shape of the buffer member 10 is adjusted to suit the corresponding shock absorption requirements, so as to improve the shock absorption effect.

As shown in Figures 1 and 2, a magnetic suspension base 6 is provided at the bottom of the laser host 2, and a magnetic suspension device 7 for providing a magnetic suspension force to the magnetic suspension base 6 is provided on the machine table 1. The magnetic suspension device 7 is arranged below the magnetic suspension base 6, and the magnetic suspension The device 7 is connected to a control system 8 for controlling the magnetic levitation force. The magnetic levitation force of the magnetic levitation device 7 is automatically controlled by the control system 8, so that the distance between the magnetic levitation base 6 and the magnetic levitation device 7 remains unchanged during vibration, thereby ensuring that the relative positions of the laser host 2 and the laser external pipeline 5 are still in the same light. On the route, the laser cleaning can be provided stably and continuously, and the shock absorption effect can be improved.

As shown in FIG. 2 , further, a lifting guide groove 61 is provided on the side wall of the magnetic suspension base 6 , and a guide block 62 is provided for lifting and sliding in the lifting guide groove 61 , and a displacement rod 63 is fixedly connected to the guide block 62 . A displacement groove 18 is provided on the side wall, and a moving block 181 is provided in the displacement groove 18 for lifting and sliding, and the sliding direction of the moving block 181 is consistent with the moving direction of the guide block 62 , and the end of the displacement rod 63 away from the guide block 62 slides through. The positioning spring 19 is set on the displacement rod 63, and the two ends of the positioning spring 19 are respectively connected to the moving block 181 and the guide block 62, which can provide buffering when the position of the magnetic suspension base 6 changes, and further improve the shock absorption Effect. The guide block 62 cooperates with the moving block 181 to guide the movement to improve the stability of the magnetic suspension base 6 during the up and down floating process, and cooperate with the positioning spring 19 to slow down the shaking caused by the sudden change of the magnetic force, improve the shock absorption effect, and further improve the magnetic suspension. The stability of the base 6 improves the stability of the laser host 2 .

As shown in FIG. 2 , a test seat 14 is slidably provided at the front and rear positions of the machine table 1, and a moving groove 15 for the sliding of the test seat 14 is provided on the machine table 1. The test seat 14 slides on one end of the moving groove 15 and is connected to the measuring spring 16. One end of the measuring spring 16 away from the test seat 14 is connected with a pressure tester 17, the pressure tester 17 is fixedly installed in the moving groove 15, and when the measuring spring 16 is not stressed, the bottom horizontal plane of the test seat 14 and the support seat 9 are connected. The height of the bottom horizontal plane is the same, and the pressure tester 17 is connected to the control system 8 . Among them, the elastic force of the measuring spring 16 is smaller than that of the return spring 102, so as to facilitate the movement of the test seat 14 in the moving groove 15 and avoid shaking the machine, so as to facilitate the measurement of data by the pressure tester 17. The vibration generated is subjected to preliminary judgment and analysis, and after the data is measured by the pressure tester 17, it is fed back to the control system 8, so as to facilitate the control system 8 to analyze the results, and to adjust the magnetic levitation force on the machine 1 and the height position of the support piece 11 in time , to ensure that the laser emission is still used efficiently and continuously when moving, and improve the stability of laser cleaning.

As shown in Figure 2, further, a first dynamometer 20 for testing the magnitude of the magnetic force is provided on the magnetic suspension base 6, and the first dynamometer 20 is connected to the control system 8, so that it is convenient for the control system to measure the magnitude of the magnetic force. 8. After intelligent judgment, control the magnetic suspension device 7 to adjust the magnetic force. The machine 1 is provided with a second dynamometer 21 for measuring the gravity of the laser host 2 and a distance measuring sensor 22 for detecting the distance between the magnetic suspension base 6 and the machine 1. The second dynamometer 21 The distance measuring sensor 22 is connected to the control system 8 . Through the cooperation of the second dynamometer 21 and the distance measuring sensor 22, the gravity of the laser host 2 can be measured, so that the control system 8 can determine the magnetic force of the magnetic levitation, and monitor the relationship between the magnetic levitation base 6 and the magnetic levitation device 7 in real time according to the distance measuring sensor 22. The size of the distance between them is convenient for the control system 8 to adjust the magnetic force of the magnetic suspension in real time, so as to ensure the stability of the magnetic suspension base 6 and improve the stability of the laser host 2 .

As shown in FIG. 2 , specifically, the magnetic suspension device 7 includes an electromagnet 71 provided on the machine table 1 , a power supply 72 electrically connected to the electromagnet 71 , and a transmission current connected between the electromagnet 71 and the power supply 72 . The regulator 73 , the magnetic suspension base 6 is set as a magnetic base that magnetically repels the electromagnet 71 , the power supply 72 and the conveying current regulator 73 are both connected and controlled by the control system 8 . By controlling the power supply 72 to transmit power to the electromagnet 71 by the control system 8, the electromagnet 71 can generate a magnetic force, thereby realizing the magnetic levitation effect on the magnetic suspension base 6, and the current transmission size can be controlled in combination with the transmission current regulator 73, thereby adjusting the electromagnet 71 The magnitude of the generated magnetic force is adapted to the stability requirements of the magnetic suspension base 6 and improves the stability of the laser host 2 in use.

Working principle: When in use, the control system 8 is used to control the magnetic suspension device 7, so that the magnetic suspension base 6 can be magnetically suspended on the machine table 1, and is stably positioned on the machine table 1 with the positioning spring 19, so that the laser host 2 is positioned on the machine table 1. The position of the upper part relative to the machine table 1 remains unchanged, so as to stably transport the laser for use. During the movement of the machine table 1, the test seat 14 contacts the obstacle in advance to generate vibration, so that the measuring spring 16 cooperates with the pressure tester 17 to measure the damping force, and the magnetic attraction force of the magnetic suspension device 7 is adjusted in advance after analysis by the control system 8 to ensure that the At the same time, the control system 8 controls the adjusting member 12 to adjust the position of the limit ring 103 on the guide rod 101, so as to adjust the guide rod 101 to penetrate into the limit groove 92 to adjust the height position of the support piece 11, so that the elastic force of the return spring 102 can be adjusted to adapt to the corresponding scene for shock absorption, so that in the process of the machine 1 passing through, the shock absorption elastic force can be adapted to In the shock absorption scene, the shock absorption effect is improved, and the return spring 102 uses the cooperation of the inner buffer spring 1021 and the outer buffer spring 1022 to further improve the shock absorption effect, thereby improving the stability of the laser host 2 and ensuring the normal output of the laser beam. Through the above solution, the present invention can adjust the required shock absorption and buffer force according to the working environment, and use the magnetic levitation to stably set the laser host 2 on the machine table 1. During the process of spring shock absorption, the laser host 2 is always kept in a stable state. The magnetic levitation force can be adjusted in real time according to the working conditions to meet the switching use of different scenarios. The magnetic levitation is matched with the shock absorption effect of the return spring 102 to improve the shock absorption effect, avoid the shaking of the laser host 2, and ensure the normal output of the laser beam. Has the effect of improving the stability of its laser beam output.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a shockproof mechanism of laser cleaning machine, includes board (1) and locates laser host (2) on board (1), be equipped with laser generator (3) and relevant host computer (4) that can produce the laser beam in laser host (2), be equipped with at least one laser external pipeline (5) on board (1) lateral wall, its characterized in that, laser host (2) bottom is equipped with magnetic suspension base (6), be equipped with magnetic suspension device (7) that are used for providing magnetic suspension power for magnetic suspension base (6) on board (1), magnetic suspension device (7) are located magnetic suspension base (6) below, magnetic suspension device (7) are connected with control system (8) that are used for controlling magnetic suspension power, board (1) bottom is equipped with supporting seat (9), be equipped with bolster (10) that are used for providing the buffer power between supporting seat (9) and board (1), one end of the buffer piece (10) is connected to the supporting seat (9), the other end of the buffer piece (10) is connected with the supporting sheet (11) and is abutted to the bottom of the machine table (1) through the supporting sheet (11), the buffer piece (10) comprises a guide rod (101) which penetrates into the supporting seat (9) in a sliding manner and a reset spring (102) which is sleeved outside the guide rod (101), one end of the guide rod (101) far away from the supporting seat (9) is fixedly connected to the supporting sheet (11), two ends of the reset spring (102) are abutted to the supporting seat (9) and the supporting sheet (11) respectively, a guide groove (91) for the guide rod (101) to slide is arranged in the supporting seat (9), a limit groove (92) is arranged below the guide groove (91), a limit ring (103) is arranged on the guide rod (101), the limit ring (103) is slidably arranged in the limit groove (92), and the limit ring (103) is abutted to the bottom of the limit groove (92), be equipped with regulating part (12) that are used for adjusting the position that spacing ring (103) are located guide bar (101) on spacing ring (103), supporting seat (9) bottom is equipped with and is used for responding to supporting seat (9) and environmental impact stress size's pressure sensor (13), pressure sensor (13) are connected with control system (8), regulating part (12) are connected and are controlled by control system (8).

2. The shockproof mechanism of the laser cleaning machine according to claim 1, wherein the adjusting member (12) comprises a motor (121) disposed on the limiting ring (103), a self-locking speed reducer (122) connected to an output end of the motor (121), and a gear (123) connected to an output end of the self-locking speed reducer (122), a rack (124) is disposed on an outer wall of the guiding rod (101) inserted into the limiting groove (92), an extending direction of the rack (124) is the same as an axial direction of the guiding rod (101), the gear (123) is engaged with the rack (124), and the motor (121) is connected to and controlled by the control system (8).

3. The shockproof mechanism of the laser cleaning machine according to claim 2, wherein the return spring (102) comprises an inner buffer spring (1021) and an outer buffer spring (1022), the outer buffer spring (1022) is sleeved outside the inner buffer spring (1021), one end of each of the inner buffer spring (1021) and the outer buffer spring (1022) is connected to the supporting base (9), the other end of each of the inner buffer spring (1021) and the outer buffer spring (1022) is connected to the supporting piece (11), and the elastic force of the inner buffer spring (1021) is greater than the elastic force of the outer buffer spring (1022).

4. The shockproof mechanism of the laser cleaning machine according to claim 1, wherein the machine table (1) is provided with a test seat (14) at both front and rear positions thereof in a sliding manner, the machine table (1) is provided with a moving groove (15) for the test seat (14) to slide, one end of the test seat (14) sliding in the moving groove (15) is connected with a measuring spring (16), one end of the measuring spring (16) far away from the test seat (14) is connected with a pressure tester (17), the pressure tester (17) is installed in the moving groove (15), and when the measuring spring (16) is not stressed, the bottom of the test seat (14) is not higher than the horizontal plane of the bottom of the support seat (9), and the pressure tester (17) is connected with the control system (8).

5. The shockproof mechanism of a laser cleaning machine according to claim 1, characterized in that the magnetic suspension device (7) comprises an electromagnet (71) disposed on the machine platform (1), a power supply (72) electrically connected to the electromagnet (71), and a power supply adjuster (73) connected between the electromagnet (71) and the power supply (72), the magnetic suspension base (6) is configured as a magnetic seat magnetically repelling the electromagnet (71), and the power supply (72) and the power supply adjuster (73) are both connected and controlled by the control system (8).

6. The shockproof mechanism of the laser cleaning machine according to claim 5, wherein a lifting guide groove (61) is disposed on a side wall of the magnetic suspension base (6), a guide block (62) is disposed in the lifting guide groove (61) in a lifting and sliding manner, a displacement rod (63) is connected to the guide block (62), a displacement groove (18) is disposed on a side wall of the machine platform (1), a moving block (181) is disposed in the displacement groove (18) in a lifting and sliding manner, one end of the displacement rod (63) far away from the guide block (62) is slidably disposed through the moving block (181) and is disposed outside the machine platform (1), a positioning spring (19) is sleeved on the displacement rod (63), and two ends of the positioning spring (19) are respectively connected to the moving block (181) and the guide block (62).

7. Shockproof mechanism according to claim 5, characterised in that the magnetically suspended base (6) is provided with a first dynamometer (20) for testing the magnitude of the magnetic force, the first dynamometer (20) being connected to the control system (8).

8. The shockproof mechanism of a laser cleaning machine according to claim 7, wherein the machine platform (1) is provided with a second dynamometer (21) for measuring the gravity of the laser host (2) and a distance measuring sensor (22) for detecting the distance between the magnetic suspension base (6) and the machine platform (1), and both the second dynamometer (21) and the distance measuring sensor (22) are connected to the control system (8).

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