Laser cleaning equipment for automatically cleaning workpiece surface and cleaning method

Abstract

The invention discloses laser cleaning equipment for automatically cleaning the surface of a workpiece and a cleaning method. The laser cleaning equipment is characterized in that a moving assembly is mounted at the bottom of a machine table; one end of the mounting shaft is rotationally connected with a clamping assembly, a feeding assembly is mounted at the top end of the mounting seat, and a transmission assembly is mounted on the mounting seat; the automatic feeding mechanism is installed on the machine table. The first laser cleaning mechanism comprises a double-shaft moving frame installed on the top face of the machine table, and a first laser transmitter is installed on the double-shaft moving frame. The second laser cleaning mechanism comprises a horizontal moving table installed on the top face of the machine table, a fixing base is installed on the horizontal moving table, a fixing shaft is fixedly connected to the fixing base, and a second laser transmitter is installed at the end of the fixing shaft. And the dust removal mechanism comprises a dust removal opening formed in the top face of the machine table, and a dust removal assembly is installed in the machine table. The outer wall and the inner wall of the pipe fitting are cleaned through the first laser cleaning mechanism and the second laser cleaning mechanism correspondingly, and the problem that in the prior art, the inner wall of the pipe fitting is difficult to clean is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of laser cleaning, and in particular to a laser cleaning device and a cleaning method for automatically cleaning a workpiece surface. Background Art

[0002] The laser cleaning method focuses the laser beam and irradiates it on the object to be cleaned. The focused laser beam can cause the attached surface layers such as pollutants, coatings and oxides attached to the surface of the object to be cleaned to vibrate, melt, evaporate or burn, so that the attached surface layers are detached from the surface of the object to be cleaned, thereby achieving the purpose of cleaning the object to be cleaned. Compared with traditional mechanical grinding or chemical solvent methods, the laser cleaning method has the advantages of less pollution, high efficiency and resource saving.

[0003] As for the cleaning of pipe fittings, conventional cleaning methods cannot clean the inner wall of the pipe fittings. Based on this, the present invention provides a device and method for cleaning the inner wall of the pipe fittings by laser cleaning. Summary of the invention

[0004] The purpose of the present invention is to provide a laser cleaning device and a cleaning method for automatically cleaning the surface of a workpiece, so as to solve the problems existing in the prior art.

[0005] To achieve the above object, the present invention provides the following solution: The present invention provides a laser cleaning device for automatic cleaning of a workpiece surface, comprising:

[0006] A machine platform, wherein a moving component is installed at the bottom of the machine platform;

[0007] The clamping mechanism comprises a mounting seat mounted on the top surface of the machine platform, a mounting shaft is horizontally slidably connected to the mounting seat, one end of the mounting shaft is rotatably connected to the clamping assembly, a feeding assembly is mounted on the top of the mounting seat, the feeding assembly is rotatably connected to the other end of the mounting shaft, the feeding assembly is used to push the mounting shaft, a transmission assembly is mounted on the mounting seat, and the transmission assembly and the clamping assembly are in transmission cooperation;

[0008] An automatic feeding mechanism, which is mounted on the machine platform and is arranged corresponding to the clamping mechanism;

[0009] A first laser cleaning mechanism, the first laser cleaning mechanism comprising a double-axis moving frame installed on the top surface of the machine platform, a first laser emitter installed on the double-axis moving frame, and the first laser emitter is used to clean the outer wall of the pipe;

[0010] A second laser cleaning mechanism, the second laser cleaning mechanism comprises a horizontal moving platform installed on the top surface of the machine platform, a fixed seat is installed on the horizontal moving platform, a fixed shaft is fixedly connected to the fixed seat, the axis of the fixed shaft is colinear with the axis of the mounting shaft, a second laser emitter is installed at the end of the fixed shaft, and the second laser emitter is used to clean the inner wall of the pipe;

[0011] A dust removal mechanism, the dust removal mechanism comprising a dust removal port opened on the top surface of the machine, the dust removal port being located between the clamping assembly and the second laser emitter, a dust removal assembly being installed in the machine, and the dust removal assembly being connected to the dust removal port;

[0012] Wherein, the top cover of the machine is provided with a transparent dust cover.

[0013] According to the laser cleaning equipment for automatic cleaning of workpiece surfaces provided by the present invention, the clamping assembly includes an electric three-jaw chuck, a sleeve is fixedly connected to the back of the electric three-jaw chuck, the sleeve passes through the mounting seat and is rotatably connected to the end of the mounting shaft, and the transmission assembly and the sleeve are matched in transmission.

[0014] According to the laser cleaning equipment for automatic cleaning of workpiece surfaces provided by the present invention, the transmission assembly includes a driving motor fixedly connected to the mounting seat, the output shaft of the driving motor is fixedly connected to a driving gear, the outer wall of the sleeve is horizontally slidably connected to a driven gear, the driven gear is rotatably connected to one side of the mounting seat, and the driving gear and the driven gear are matched through a chain transmission.

[0015] According to the laser cleaning equipment for automatic cleaning of workpiece surfaces provided by the present invention, the dual-axis movable frame includes a support frame fixedly connected to the top surface of the machine platform, a first linear motor is horizontally installed on the top of the support frame, a second linear motor is vertically installed above the first linear motor, a mounting plate is installed on the second linear motor, and the first laser emitter is installed on the mounting plate.

[0016] According to the laser cleaning device for automatic cleaning of workpiece surfaces provided by the present invention, the horizontal moving table includes a third linear motor, the fixing seat is mounted on the third linear motor, and the movement direction of the third linear motor is parallel to the axial direction of the mounting shaft.

[0017] According to the laser cleaning equipment for automatic cleaning of workpiece surfaces provided by the present invention, the automatic loading mechanism includes a box body, a horizontal conveyor belt is installed on the top of the box body, a baffle is fixedly connected to the front end of the box body, a sandwich is formed between the baffle and the front side wall of the box body, the end of the horizontal conveyor belt is arranged corresponding to the sandwich, a discharge hole is opened on one side of the sandwich, a rotating shaft is rotatably connected in the sandwich, a plurality of dividing plates are fixedly connected to the outer wall of the rotating shaft at equal intervals in the circumferential direction, a dividing motor is fixedly connected to the outer wall of the box body, the output shaft of the dividing motor passes through the side wall of the box body and is fixedly connected to the rotating shaft, a pushing assembly and a material receiving robot arm are installed on the top surface of the machine, the pushing assembly and the material receiving robot arm are respectively located on both sides of the box body, and the pushing assembly and the material receiving robot arm are arranged corresponding to the discharge hole.

[0018] According to the laser cleaning equipment for automatic cleaning of workpiece surfaces provided by the present invention, the pusher assembly includes an electric push rod fixedly connected to the top surface of the machine platform, one end of the electric push rod is fixedly connected to a pusher rod, and the pusher rod is arranged corresponding to the discharge hole.

[0019] According to the laser cleaning equipment for automatic cleaning of workpiece surfaces provided by the present invention, the dust removal component includes a waste box and an air filter, the waste box is connected to the dust removal port through a dust removal pipe, the side wall of the dust removal pipe is fixedly connected with a shunt pipe, the shunt pipe is connected to the input end of the air filter, an exhaust fan is installed on the shunt pipe, and a filter is installed on the shunt pipe near one end of the dust removal pipe.

[0020] According to the laser cleaning equipment for automatic cleaning of workpiece surfaces provided by the present invention, the feed assembly includes a feed cylinder fixedly connected to the top of the mounting seat, the output end of the feed cylinder is rotatably connected to a push rod, a clamping plate is fixedly connected to the mounting seat, a long hole is opened on the push rod, a connecting shaft is slidably connected in the long hole, and the connecting shaft is rotatably connected to the clamping plate.

[0021] A cleaning method for a laser cleaning device for cleaning a workpiece surface comprises the following steps:

[0022] Step 1: Place the processed rod into the automatic feeding mechanism, which delivers the rod to the clamping assembly, and the feeding assembly and the clamping assembly cooperate to clamp the rod. The dust removal mechanism works to form a suction effect at the dust removal port.

[0023] Step 2: The dual-axis moving frame drives the first laser emitter to move in the vertical plane, and cooperates with the transmission component to drive the clamping component to rotate, so as to achieve laser cleaning of the outer wall of the pipe;

[0024] Step 3: The horizontal moving table drives the second laser emitter to move in a straight line, and the transmission component drives the clamping component to rotate to realize rotary feeding and clean the inner wall of the pipe;

[0025] Step 4: The automated loading mechanism removes the cleaned pipe fittings and replaces them with the next generation of processed pipe fittings.

[0026] The present invention discloses the following technical effects:

[0027] When the present invention is working, the automatic loading and unloading of pipe fittings is realized through the automatic loading mechanism, the outer wall of the pipe fitting is cleaned by the rotation of the double-axis moving frame in cooperation with the first laser emitter and the driving component, the inner wall of the pipe fitting is cleaned by feeding through the linearly moving horizontal moving table in cooperation with the transmission component, so that the inner and outer walls of the pipe fitting can be cleaned, and the dust generated in the processing process is cleaned by the dust removal mechanism.

[0028] The present invention cleans the outer wall and the inner wall of the pipe by means of the first laser cleaning mechanism and the second laser cleaning mechanism respectively, thus solving the problem of difficulty in cleaning the inner wall of the pipe in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 The structure of the laser cleaning device for automatic cleaning of the workpiece surface of the present invention is shown in FIG. Figure I ;

[0031] Figure 2 The structure of the laser cleaning device for automatic cleaning of the workpiece surface of the present invention is shown in FIG. Figure II ;

[0032] Figure 3 The structure of the laser cleaning device for automatic cleaning of the workpiece surface of the present invention is shown in FIG. Figure III ;

[0033] Figure 4 for Figure 2 The enlarged view of point A in the middle;

[0034] Figure 5 for Figure 3 The enlarged view of point B in the middle;

[0035] Figure 6 It is a structural schematic diagram of the material receiving mechanical arm of the present invention.

[0036] Among them, 1. Machine; 2. Moving component; 3. Mounting seat; 4. Mounting shaft; 5. First laser emitter; 6. Fixed seat; 7. Second laser emitter; 8. Dust removal port; 9. Electric three-jaw chuck; 10. Support frame; 11. First linear motor; 12. Second linear motor; 13. Third linear motor; 14. Box; 15. Rotating shaft; 16. Dividing plate; 17. Dividing motor; 18. Material receiving robot arm; 19. Electric push rod; 20. Push rod; 21. Feed cylinder; 22. Push rod; 23. Clamp. DETAILED DESCRIPTION

[0037] 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.

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] Reference Figure 1-Figure 6 The present invention provides a laser cleaning device for automatically cleaning the surface of a workpiece, comprising:

[0040] A machine platform 1, with a moving component 2 installed at the bottom of the machine platform 1;

[0041] The clamping mechanism includes a mounting seat 3 mounted on the top surface of the machine 1, a mounting shaft 4 is horizontally slidably connected to the mounting seat 3, one end of the mounting shaft 4 is rotatably connected to the clamping assembly, a feeding assembly is mounted on the top of the mounting seat 3, the feeding assembly is rotatably connected to the other end of the mounting shaft 4, the feeding assembly is used to push the mounting shaft 4, a transmission assembly is mounted on the mounting seat 3, and the transmission assembly and the clamping assembly are matched in transmission;

[0042] An automatic feeding mechanism, which is installed on the machine platform 1 and is arranged correspondingly to the clamping mechanism;

[0043] A first laser cleaning mechanism, the first laser cleaning mechanism comprises a double-axis movable frame installed on the top surface of the machine platform 1, a first laser emitter 5 is installed on the double-axis movable frame, and the first laser emitter 5 is used to clean the outer wall of the pipe;

[0044] The second laser cleaning mechanism includes a horizontal moving table installed on the top surface of the machine table 1, and a fixed seat 6 is installed on the horizontal moving table. A fixed shaft is fixedly connected to the fixed seat 6. The axis of the fixed shaft is colinear with the axis of the installation shaft 4. A second laser emitter 7 is installed at the end of the fixed shaft. The second laser emitter 7 is used to clean the inner wall of the pipe; an angle adjustment component is installed at the end of the fixed shaft. The angle adjustment component is used to adjust the angle of the second laser emitter 7. In the processing state, the axis of the laser emitter is set at an angle to the axis of the pipe. In this way, a certain second angle can be generated between the processing point and the laser to prevent dust from entering the laser during the processing process; the angle adjustment component adopts the existing technology and is not specifically limited in this embodiment.

[0045] The dust removal mechanism includes a dust removal port 8 opened on the top surface of the machine 1, the dust removal port 8 is located between the clamping assembly and the second laser emitter 7, a dust removal assembly is installed in the machine 1, and the dust removal assembly is connected to the dust removal port 8;

[0046] Among them, the top cover of the machine 1 is provided with a transparent dust cover.

[0047] When the present invention is working, the automatic loading and unloading of pipe fittings is realized through the automatic loading mechanism, the outer wall of the pipe fitting is cleaned by the dual-axis moving frame in cooperation with the first laser emitter 5 and the rotation of the driving component, the feeding is carried out by the linearly moving horizontal moving table, and the inner wall of the pipe fitting is cleaned in cooperation with the transmission component. In this way, the inner and outer walls of the pipe fitting can be cleaned, and the dust generated during the processing is cleaned by the dust removal mechanism.

[0048] The present invention cleans the outer wall and the inner wall of the pipe by means of the first laser cleaning mechanism and the second laser cleaning mechanism respectively, thus solving the problem of difficulty in cleaning the inner wall of the pipe in the prior art.

[0049] A further optimized solution is that the clamping assembly includes an electric three-jaw chuck 9, and a sleeve is fixedly connected to the back of the electric three-jaw chuck 9. The sleeve passes through the mounting seat 3 and is rotatably connected to the end of the mounting shaft 4, and the transmission assembly and the sleeve are in transmission cooperation.

[0050] A further optimized solution is that the transmission assembly includes a driving motor fixedly connected to the mounting base 3, the output shaft of the driving motor is fixedly connected to a driving gear, the outer wall of the sleeve is horizontally slidably connected to a driven gear, the driven gear is rotatably connected to one side of the mounting base 3, and the driving gear and the driven gear are matched through a chain transmission.

[0051] In this embodiment, the driving motor drives the driving gear to rotate, and the driving gear drives the driven gear to rotate, thereby driving the sleeve and the mounting shaft 4 to rotate. Only relative rotation can occur between the sleeve and the mounting shaft 4, and no relative sliding will occur. The setting of the mounting shaft 4 can push the electric three-jaw chuck 9 to move in a straight line, which is convenient for loading and unloading, and can also assist in feeding processing.

[0052] A further optimized solution is that the dual-axis movable frame includes a support frame 10 fixedly connected to the top surface of the machine table 1, a first linear motor 11 is horizontally installed on the top of the support frame 10, a second linear motor 12 is vertically installed above the first linear motor 11, a mounting plate is installed on the second linear motor 12, and a first laser emitter 5 is installed on the mounting plate.

[0053] The first linear motor 11 and the second linear motor 12 cooperate to realize the movement of the first laser emitter 5 in the vertical plane, thereby ensuring that the working space of the first laser emitter 5 is sufficient to cover the pipe space.

[0054] In a further optimized solution, the horizontal moving platform includes a third linear motor 13, the fixed seat 6 is mounted on the third linear motor 13, and the movement direction of the third linear motor 13 is parallel to the axial direction of the mounting shaft 4. The third linear motor 13 is provided to realize the horizontal movement of the fixed seat 6, thereby driving the second laser emitter 7 to move in the horizontal direction.

[0055] A further optimized solution is provided, in which the automatic feeding mechanism comprises a box body 14, a horizontal conveyor belt is installed on the top of the box body 14, a baffle is fixedly connected to the front end of the box body 14, a sandwich is formed between the baffle and the front side wall of the box body 14, the end of the horizontal conveyor belt is arranged corresponding to the sandwich, a discharge hole is opened on one side of the sandwich, a rotating shaft 15 is rotatably connected in the sandwich, a plurality of dividing plates 16 are fixedly connected to the outer wall of the rotating shaft 15 at equal intervals in the circumferential direction, a dividing motor 17 is fixedly connected to the outer wall of the box body 14, the output shaft of the dividing motor 17 passes through the side wall of the box body 14 and is fixedly connected to the rotating shaft 15, a pushing assembly and a material receiving robot arm 18 are installed on the top surface of the machine 1, the pushing assembly and the material receiving robot arm 18 are respectively located on both sides of the box body 14, and the pushing assembly and the material receiving robot arm 18 are arranged corresponding to the discharge hole. The rods can be transported into the interlayer by setting a horizontal conveyor belt. The width of the interlayer is matched with the diameter of the pipe to ensure that only a single pipe can pass through at a time. The pipe is lowered to the discharge hole and automatic loading and unloading is achieved through the cooperation of the pushing assembly and the receiving robot arm 18. The processed pipe is directly placed in the box 14.

[0056] Further optimization scheme, the pusher assembly includes an electric push rod 19 fixedly connected to the top surface of the machine 1, and one end of the electric push rod 19 is fixedly connected to a pusher rod 20, and the pusher rod 20 is set corresponding to the discharge hole. The electric push rod 19 pushes the pusher rod 20 to push out the pipe fittings in the interlayer, and the material receiving mechanical arm 18 receives and clamps the material, and transfers the pipe fittings to the electric three-jaw chuck 9, and fixes it through the electric three-jaw chuck 9. The material receiving mechanical arm 18 adopts the existing technology.

[0057] Further optimization scheme, the dust removal component includes a waste box and an air filter, the waste box is connected to the dust removal port 8 through a dust removal pipe, the side wall of the dust removal pipe is fixedly connected with a shunt pipe, the shunt pipe is connected to the input end of the air filter, an exhaust fan is installed on the shunt pipe, and a filter is installed at one end of the shunt pipe near the dust removal pipe. The filter is used to achieve preliminary separation, isolate the particulate waste into the dust removal pipe, and enter the waste box through the dust removal pipe, the exhaust gas is filtered through the air filter, and a detection component is installed on the air filter outlet to ensure that the output gas can meet the emission requirements.

[0058] A further optimized solution is that the feed assembly includes a feed cylinder 21 fixedly connected to the top of the mounting seat 3, the output end of the feed cylinder 21 is rotatably connected to a push rod 22, a clamping plate 23 is fixedly connected to the mounting seat 3, a long hole is opened on the push rod 22, a connecting shaft is slidably connected in the long hole, and the connecting shaft and the clamping plate 23 are rotatably connected.

[0059] A cleaning method for a laser cleaning device for cleaning a workpiece surface comprises the following steps:

[0060] Step 1: Place the processed rod into the automatic feeding mechanism, which delivers the rod to the clamping assembly, and the feeding assembly and the clamping assembly cooperate to clamp the rod. The dust removal mechanism works to form a suction effect at the dust removal port 8.

[0061] Step 2: The dual-axis moving frame drives the first laser emitter 5 to move in the vertical plane, and cooperates with the transmission component to drive the clamping component to rotate, so as to achieve laser cleaning of the outer wall of the pipe;

[0062] Step 3: The horizontal moving platform drives the second laser emitter 7 to move in a straight line, and the transmission component drives the clamping component to rotate to realize rotary feeding and clean the inner wall of the pipe;

[0063] Step 4: The automated loading mechanism removes the cleaned pipe fittings and replaces them with the next generation of processed pipe fittings.

[0064] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0065] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A laser cleaning device for automatic cleaning of a workpiece surface, characterized in that: include: A machine platform (1), wherein a moving component (2) is installed at the bottom of the machine platform (1); A clamping mechanism, the clamping mechanism comprising a mounting seat (3) mounted on the top surface of the machine platform (1), a mounting shaft (4) being horizontally slidably connected to the mounting seat (3), one end of the mounting shaft (4) being rotatably connected to a clamping assembly, a feeding assembly being mounted on the top of the mounting seat (3), the feeding assembly being rotatably connected to the other end of the mounting shaft (4), the feeding assembly being used to push the mounting shaft (4), a transmission assembly being mounted on the mounting seat (3), and the transmission assembly and the clamping assembly being in transmission cooperation; An automatic feeding mechanism, the automatic feeding mechanism being mounted on the machine platform (1), the automatic feeding mechanism being arranged correspondingly to the clamping mechanism; A first laser cleaning mechanism, the first laser cleaning mechanism comprising a double-axis movable frame mounted on the top surface of the machine platform (1), a first laser emitter (5) being mounted on the double-axis movable frame, the first laser emitter (5) being used for cleaning the outer wall of the pipe; a second laser cleaning mechanism, the second laser cleaning mechanism comprising a horizontal movable platform mounted on the top surface of the machine platform (1), a fixed seat (6) mounted on the horizontal movable platform, a fixed shaft fixedly connected to the fixed seat (6), the axis of the fixed shaft being colinear with the axis of the mounting shaft (4), a second laser emitter (7) being mounted at the end of the fixed shaft, the second laser emitter (7) being used for cleaning the inner wall of the pipe; A dust removal mechanism, the dust removal mechanism comprising a dust removal port (8) provided on the top surface of the machine (1), the dust removal port (8) being located between the clamping assembly and the second laser emitter (7), a dust removal assembly being installed in the machine (1), the dust removal assembly being in communication with the dust removal port (8); Wherein, the top surface of the machine (1) is provided with a transparent dust cover.

2. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 1, characterized in that: The clamping assembly comprises an electric three-jaw chuck (9), a sleeve being fixedly connected to the back of the electric three-jaw chuck (9), the sleeve passing through the mounting seat (3) and being rotatably connected to the end of the mounting shaft (4), and the transmission assembly and the sleeve being in transmission cooperation.

3. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 2, characterized in that: The transmission assembly comprises a driving motor fixedly connected to the mounting seat (3); the output shaft of the driving motor is fixedly connected to a driving gear; the outer wall of the sleeve is horizontally slidably connected to a driven gear; the driven gear is rotatably connected to one side of the mounting seat (3); and the driving gear and the driven gear are matched via a chain transmission.

4. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 1, characterized in that: The dual-axis movable frame comprises a support frame (10) fixedly connected to the top surface of the machine platform (1), a first linear motor (11) being horizontally mounted on the top of the support frame (10), a second linear motor (12) being vertically mounted above the first linear motor (11), a mounting plate being mounted on the second linear motor (12), and the first laser emitter (5) being mounted on the mounting plate.

5. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 1, characterized in that: The horizontal moving platform comprises a third linear motor (13), the fixing seat (6) is mounted on the third linear motor (13), and the movement direction of the third linear motor (13) is parallel to the axial direction of the mounting shaft (4).

6. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 1, characterized in that: The automatic feeding mechanism comprises a box body (14), a horizontal conveyor belt is installed at the top of the box body (14), a baffle is fixedly connected to the front end of the box body (14), a sandwich is formed between the baffle and the front side wall of the box body (14), the end of the horizontal conveyor belt is arranged corresponding to the sandwich, a discharge hole is opened on one side of the sandwich, a rotating shaft (15) is rotatably connected in the sandwich, and a plurality of dividing plates (16) are fixedly connected to the outer wall of the rotating shaft (15) at equal intervals in the circumferential direction. The outer wall of the box body (14) is fixedly connected with a material distribution motor (17), the output shaft of the material distribution motor (17) passes through the side wall of the box body (14) and is fixedly connected with the rotating shaft (15), and the top surface of the machine platform (1) is equipped with a material pushing assembly and a material receiving mechanical arm (18), the material pushing assembly and the material receiving mechanical arm (18) are respectively located on both sides of the box body (14), and the material pushing assembly and the material receiving mechanical arm (18) are both arranged corresponding to the discharge hole.

7. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 6, characterized in that: The pusher assembly comprises an electric push rod (19) fixedly connected to the top surface of the machine platform (1), one end of the electric push rod (19) is fixedly connected to a pusher rod (20), and the pusher rod (20) is arranged corresponding to the discharge hole.

8. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 1, characterized in that: The dust removal assembly includes a waste box and an air filter. The waste box is connected to the dust removal port (8) via a dust removal pipe. A shunt pipe is fixedly connected to the side wall of the dust removal pipe. The shunt pipe is connected to the input end of the air filter. An exhaust fan is installed on the shunt pipe. A filter is installed on one end of the shunt pipe close to the dust removal pipe.

9. The laser cleaning device for automatic cleaning of a workpiece surface according to claim 1, characterized in that: The feeding assembly comprises a feeding cylinder (21) fixedly connected to the top of the mounting seat (3); the output end of the feeding cylinder (21) is rotatably connected to a push rod (22); a clamping plate (23) is fixedly connected to the mounting seat (3); a long hole is formed on the push rod (22); a connecting shaft is slidably connected in the long hole; the connecting shaft and the clamping plate (23) are rotatably connected.

10. A cleaning method for a laser cleaning device for cleaning a workpiece surface, based on the laser cleaning device for automatic cleaning of a workpiece surface according to any one of claims 1 to 9, characterized in that: The steps include: Step 1: Place the rod to be processed into the automatic feeding mechanism, which delivers the rod to the clamping assembly, and clamps it through the cooperation of the feeding assembly and the clamping assembly, and the dust removal mechanism works to form a suction effect at the dust removal port (8); Step 2: The dual-axis moving frame drives the first laser emitter (5) to move in a vertical plane, and cooperates with the transmission component to drive the clamping component to rotate, thereby achieving laser cleaning of the outer wall of the pipe; Step 3: The horizontal moving platform drives the second laser emitter (7) to move in a straight line, and the transmission component drives the clamping component to rotate to achieve rotary feeding and clean the inner wall of the pipe; Step 4: The automated loading mechanism removes the cleaned pipe fittings and replaces them with the next generation of processed pipe fittings.

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