A laser cleaning apparatus and method

Abstract

The application relates to the technical field of laser cleaning equipment, in particular to a laser cleaning equipment and a cleaning method, which comprise a workbench; a first carrier is rotationally connected to the workbench, the first carrier is provided with a first positioning assembly and a first limiting assembly, the first positioning assembly is telescopic along a vertical direction, and the first limiting assembly moves towards the first positioning assembly; a second carrier is rotationally connected to the workbench close to the first carrier, the second carrier is provided with a second positioning assembly and a third limiting assembly, the second positioning assembly is telescopic along the vertical direction, and the third limiting assembly moves towards the second positioning assembly; a cleaning mechanism has multiple degrees of freedom and at least comprises two laser cleaning ends arranged oppositely, the scheme is designed through parallel operation of the first carrier and the second carrier, and the multiple degrees of freedom and the double-end laser cleaning mechanism are matched, so that the workpiece loading and unloading, positioning and cleaning processes are cooperatively matched, and the cleaning efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser cleaning equipment, in particular to a laser cleaning equipment and a cleaning method. BACKGROUND

[0002] In the field of modern industrial manufacturing, laser cleaning technology has become an indispensable key technology in the surface treatment process of metal workpieces due to its non-contact processing, no chemical pollution, high precision control and other significant advantages. Through the selective interaction of high-energy laser beams and surface contamination layers, the technology can efficiently remove various defects such as oxidation layer, rust, oil stains and burrs on the surface of metal workpieces.

[0003] The mainstream equipment generally adopts a single station serial operation mode, which has a serious idle equipment problem. In the standard operation cycle, the actual effective working time of the laser generator is only 35%-48%, and the remaining time is spent on auxiliary processes such as workpiece loading and unloading, positioning, etc., which seriously restricts the production efficiency of products. SUMMARY

[0004] The purpose of the present application is to provide a laser cleaning equipment and a cleaning method to solve the problem of low efficiency of workpiece laser cleaning in the prior art.

[0005] The technical solution of the present application is: a laser cleaning equipment, comprising: a workbench; a first carrier connected to the workbench, the first carrier is provided with a first positioning assembly and a first limiting assembly, the first positioning assembly is telescopic along the vertical direction, protruding from the top of the first carrier or retracting into the first carrier, the first limiting assembly moves towards the first positioning assembly to position the first workpiece; a second carrier connected to the workbench near the first carrier, the second carrier is provided with a second positioning assembly and a third limiting assembly, the second positioning assembly is telescopic along the vertical direction, protruding from the top of the second carrier or retracting into the second carrier, the third limiting assembly moves towards the second positioning assembly to position the second workpiece; a cleaning mechanism with multiple degrees of freedom and at least two opposite laser cleaning ends for simultaneously cleaning the outer side walls of the first and second workpieces, or separately cleaning the top of the first and second workpieces.

[0006] Preferably, the first carrier is provided with a first positioning notch, the first positioning notch is rotatably connected with a first supporting plate, the rotation axis of the first supporting plate is parallel to the rotation center of the first carrier and arranged eccentrically, the first positioning assembly is arranged on the outer side wall of the first supporting plate for positioning the first workpiece;

[0007] The second positioning assembly is arranged on the outer side wall of the second supporting plate, and is used for positioning the second workpiece.

[0008] Preferably, the top of the workbench is provided with a first sliding rail and a second sliding rail which are parallel to each other, the first sliding rail is slidably connected with a first sliding table, the first supporting table is rotatably connected to the first sliding table, the second sliding rail is slidably connected with a second sliding table, and the second supporting table is rotatably connected to the second sliding table.

[0009] Preferably, the top of the first supporting table is configured as a horizontal plane, the top of the first supporting table is provided with a first guide groove and a second guide groove which are arranged at an angle and communicate with the first positioning gap, the first limiting assembly is slidably connected to the bottom of the first guide groove and moves along the length direction of the first guide groove, the first limiting assembly extends out of or retracts into the first guide groove, the second guide groove is slidably connected with a second limiting assembly which can extend out of or retract into the second guide groove.

[0010] The top of the second supporting table is parallel to the top of the first supporting table, the top of the second supporting table is provided with a third guide groove and a fourth guide groove which communicate with the second positioning gap, the third limiting assembly is slidably connected to the bottom of the third guide groove, the third limiting assembly extends out of or retracts into the third guide groove, the bottom of the fourth guide groove is slidably connected with a fourth limiting assembly which can extend out of or retract into the fourth guide groove.

[0011] Preferably, the first positioning assembly and the second positioning assembly are each provided with a plurality of groups, the first limiting assembly and the second limiting assembly each correspond to a group of the first positioning assembly, and the third limiting assembly and the fourth limiting assembly each correspond to a group of the second positioning assembly.

[0012] Preferably, the top of the first supporting table is slidably connected with a first guide assembly, the stroke of the first guide assembly is greater than the strokes of the first limiting assembly and the second limiting assembly, the first guide assembly includes a first guide plate, a second guide plate and a third guide plate which are all coplanar with the first supporting plate and are slidably connected to the top of the first supporting table in the direction of the first supporting plate.

[0013] Preferably, the top of the second carrier is slidably connected with a second guide assembly, the stroke of the second guide assembly is greater than the stroke of the third limiting assembly and the fourth limiting assembly, the second guide assembly comprises a fourth guide plate, a fifth guide plate and a sixth guide plate which are coplanar with the second supporting plate and are slidably connected to the top of the second carrier towards the second supporting plate.

[0014] Preferably, the first guide plate, the second guide plate and the third guide plate are arranged radially, and the adjacent guide plates form an acute angle and converge at the rotation center of the first supporting plate, and the fourth guide plate, the fifth guide plate and the sixth guide plate are arranged radially, and the adjacent guide plates form an acute angle and converge at the rotation center of the second supporting plate.

[0015] Preferably, the cleaning mechanism comprises a mechanical arm and a cleaning piece, the mechanical arm has multiple degrees of freedom, and the cleaning piece has at least two opposite laser cleaning ends for simultaneously cleaning the outer side walls of two workpieces.

[0016] A cleaning method

[0017] S1: the first carrier moves to the input end of the first sliding rail, and the second carrier moves to the input end of the second sliding rail, at this time, the first guide plate, the second guide plate and the third guide plate are away from the first supporting plate, the first carrier and the second carrier respectively receive a workpiece to be cleaned, and the fourth guide plate, the fifth guide plate and the sixth guide plate are away from the second supporting plate, at this time, the first limiting assembly, the second limiting assembly, the third limiting assembly and the fourth limiting assembly are in the retracted state;

[0018] S2: the first carrier moves from the input end of the first sliding rail to the output end of the first sliding rail, and the second carrier moves from the input end of the second sliding rail to the output end of the second sliding rail;

[0019] S3: the two groups of first positioning assemblies extend out of the first positioning notches to form a block to the first workpiece, and the two groups of second positioning assemblies extend out of the second positioning notches to form a block to the second workpiece;

[0020] S4: the first guide plate, the second guide plate and the third guide plate drive the first workpiece to move towards the first supporting plate from three different directions, the first limiting assembly extends out of the first guide slot, the second limiting assembly extends out of the second guide slot, the first limiting assembly cooperates with the second limiting assembly to push the first workpiece onto the first supporting plate, so that the outer side wall of the first workpiece abuts against the first positioning assembly, and the first limiting assembly, the second limiting assembly and the corresponding first positioning assembly position the first workpiece along two perpendicular directions;

[0021] The fourth guide plate, the fifth guide plate and the sixth guide plate drive the second workpiece to move towards the second supporting plate from three different directions, the third limiting assembly extends the third guide slot, the fourth limiting assembly extends the fourth guide slot, and the third limiting assembly and the fourth limiting assembly push the second workpiece onto the second supporting plate, so that the outer side wall of the second workpiece abuts against the second positioning assembly, and the third limiting assembly, the fourth limiting assembly and the corresponding second positioning assembly position the second workpiece along two perpendicular directions;

[0022] S5: by the coordinated rotation of the first carrier and the first sliding table, the second carrier and the second sliding table, the positions of the first workpiece and the second workpiece are adjusted, and it is ensured that the side walls of the two are accurately positioned in the effective operation range of the cleaning mechanism;

[0023] S6: the mechanical arm drives the cleaning piece to the upper side of the first workpiece, the first supporting plate drives the first workpiece to rotate, and the cleaning piece performs laser cleaning on the top of the first workpiece;

[0024] S7: the mechanical arm drives the cleaning piece to the space between the first workpiece and the second workpiece, the first supporting plate and the second supporting plate rotate synchronously, and the cleaning mechanism simultaneously performs laser cleaning on the side walls of the first workpiece and the second workpiece;

[0025] S8: the first workpiece is cleaned, the first sliding table drives the first carrier to move to the input end of the first sliding rail, another first workpiece to be cleaned is replaced by the first workpiece which has been cleaned through manual operation, and the steps S2 to S4 related to the first workpiece are repeated, at the same time, the mechanical arm drives the cleaning piece to the upper side of the second workpiece, the second supporting plate drives the second workpiece to rotate, and the cleaning piece performs laser cleaning on the top of the second workpiece;

[0026] S9: the steps S6-S8 are circularly executed, so that the cleaning mechanism can continuously clean, and the cleaning efficiency is greatly improved.

[0027] Compared with the prior art, the advantages of the present application are:

[0028] The scheme realizes the cooperative cooperation of workpiece loading and unloading, positioning and cleaning process through the parallel operation design of the first carrier and the second carrier and the cooperation of the multi-degree-of-freedom double-end laser cleaning mechanism, and greatly improves the cleaning efficiency; when one carrier performs workpiece clamping, the other carrier can simultaneously perform laser cleaning, and the cleaning mechanism can simultaneously process the outer side walls of the two workpieces or process the top respectively, so that the theoretical effective working time of the laser generator is improved to close to 100%, which significantly breaks through the problem of low utilization rate of the traditional serial mode, greatly compresses the non-value-added auxiliary time, and thus realizes the effect of doubling the work efficiency in unit time. BRIEF DESCRIPTION OF DRAWINGS

[0029] The present application will be further described below in combination with the drawings and embodiments:

[0030] Figure 1 A structure schematic view of a laser cleaning equipment according to the present application;

[0031] Figure 2 A schematic view of a first carrier and a second carrier according to the present application in a carrying state;

[0032] Figure 3 A structure schematic view of a first carrier and a second carrier according to the present application;

[0033] Figure 4 A top view of a first carrier and a second carrier according to the present application;

[0034] Figure 5 A structure schematic view of a first positioning assembly according to the present application;

[0035] Figure 6 A structure schematic view of a second positioning assembly according to the present application.

[0036] Explanation of reference signs:

[0037] 1, workbench; 11, first slide rail; 12, second slide rail; 13, first slide table; 14, second slide table; 2, first carrier; 21, first positioning notch; 22, first guide slot; 23, second guide slot; 24, first limiting assembly; 25, first guide assembly; 251, first guide plate; 252, second guide plate; 253, third guide plate; 26, first suction port; 27, first supporting plate; 28, first positioning assembly; 281, first positioning cylinder; 282, first stop block; 29, second limiting assembly; 3, second carrier; 31, second positioning notch; 32, third guide slot; 33, fourth guide slot; 34, third limiting assembly; 35, fourth limiting assembly; 36, second positioning assembly; 361, second positioning cylinder; 362, second stop block; 37, second supporting plate; 38, second suction port; 39, second guide assembly; 391, fourth guide plate; 392, fifth guide plate; 393, sixth guide plate; 4, cleaning mechanism; 41, mechanical arm; 42, cleaning piece; 100, first workpiece; 200, second workpiece. DETAILED DESCRIPTION

[0038] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described below in connection with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0039] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components are denoted by the same or similar reference numerals throughout the drawings. The embodiments described below are exemplary only, and are not intended to limit the present application.

[0040] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0041] As shown in Figure 1 A laser cleaning device, comprising a workbench 1, a first carrier 2 and a second carrier 3, the first carrier 2 and the second carrier 3 are both rotationally connected to the top of the workbench 1, and both are used to carry a piece of workpiece to be cleaned, a cleaning mechanism 4 is located between the first carrier 2 and the second carrier 3, used to simultaneously clean the side surfaces of two workpieces, while the cleaning mechanism 4 cleans the top of one of the workpieces, the other carrier changes the workpiece, so that the laser cleaning device can work continuously and efficiently, reduce the non-working time of the cleaning mechanism 4, and greatly improve the laser cleaning efficiency of the workpiece.

[0042] The top of the workbench 1 is configured as a planar structure, so that the top of the workbench 1 can play a role of carrying and supporting. The top of the workbench 1 is fixedly provided with a first sliding rail 11 and a second sliding rail 12, both of which extend along a first direction, that is, the first sliding rail 11 and the second sliding rail 12 are arranged in parallel. The same end of the first sliding rail 11 and the second sliding rail 12 along the first direction is the input end, and the opposite end is the output end.

[0043] The first carrier 2 is slidably connected to the first slide rail 11, and the second carrier 3 is slidably connected to the second slide rail 12. The first carrier 2 receives the first workpiece 100 from the previous process at the input end of the first slide rail 11, and the second carrier 3 receives the second workpiece 200 from the previous process at the input end of the second slide rail 12 by manual operation. In this embodiment, the first workpiece 100 and the second workpiece 200 are manually fed at the input end of the first slide rail 11 and the input end of the second slide rail 12. The first carrier 2 and the second carrier 3 respectively carry one workpiece from the input end to the output end. The cleaning mechanism 4 is located near the output end of the first slide rail 11 and the second slide rail 12. After cleaning, the two workpieces are transported to the input end and replaced by manual operation. The cleaning mechanism 4 has multiple degrees of freedom, so that the cleaning end of the cleaning mechanism 4 can move between the two workpieces, simultaneously laser cleaning the side walls of the two workpieces, or move to the top of the workpiece to laser clean the top of the two workpieces respectively.

[0044] The first slide rail 11 is slidably connected with a first slide table 13, and the second slide rail 12 is slidably connected with a second slide table 14. The first carrier 2 is rotatably connected to the first slide table 13 by a motor, and the second carrier 3 is rotatably connected to the second slide table 14 by a motor. The rotational central axis of the first carrier 2 and the rotational central axis of the second carrier 3 are both arranged in the vertical direction. That is, the first carrier 2 and the second carrier 3 drive the workpieces carried thereby to rotate about a vertical axis. The first carrier 2 and the second carrier 3 rotate to adjust the positions of the workpieces so that the workpieces are within the range of the laser cleaning of the cleaning mechanism 4.

[0045] As shown in Figures 2 to 4 The top of the first carrier 2 is configured as a horizontal plane for carrying the first workpiece 100. The first carrier 2 is internally provided with a first accommodating cavity for carrying a plurality of components for driving the first workpiece 100 to move. The top of the first carrier 2 is provided with a first positioning gap 21, a first guide groove 22 and a second guide groove 23, all of which are in communication with the first accommodating cavity. The first positioning gap 21 is offset from the rotational center of the first carrier 2. The first guide groove 22 and the second guide groove 23 are both configured in a strip shape. The ends of the first guide groove 22 and the second guide groove 23 are both in communication with the first positioning gap 21. Preferably, the first guide groove 22 and the first guide groove 22 are perpendicular to each other. The first carrier 2 is internally slidably connected with a first limiting component 24 and a second limiting component 29. The sliding direction of the first limiting component 24 is parallel to the length direction of the first guide groove 22, and the sliding direction of the second limiting component 29 is parallel to the length direction of the second guide groove 23.

[0046] The first limiting assembly 24 comprises a first cylinder and a first limiting piece. The cylinder body of the first cylinder is connected to the bottom surface in the first carrier 2 through a guide rail sliding connection. The first limiting piece is fixed to the piston rod of the first cylinder. The piston rod of the first cylinder is extended upward in the vertical direction, pushes the first limiting piece out of the first guide slot 22, and abuts against the edge of the first workpiece 100, and pushes the workpiece towards the first positioning notch 21.

[0047] Preferably, the first guide slot 22 is two, and the two first guide slots 22 are parallel to each other. The piston rod of the first cylinder is fixed with a first bracket, and two first limiting pieces are fixed on the first bracket. The two first limiting pieces correspond to the two first guide slots 22 one by one, that is, one first limiting piece moves in one guide slot. The two first limiting pieces push the first workpiece 100 to move in parallel, so as to avoid the problem of angular deflection of the first workpiece 100 during the movement along the length direction of the first guide slot 22.

[0048] Preferably, the second guide slot 23 is two, and the two second guide slots 23 are parallel to each other. The piston rod of the second cylinder is fixed with a second bracket, and two second limiting pieces are fixed on the second bracket. The two second limiting pieces correspond to the two second guide slots 23 one by one, that is, one second limiting piece moves in two guide slots. The two second limiting pieces push the first workpiece 100 to move in parallel, so as to avoid the problem of angular deflection of the first workpiece 100 during the movement along the length direction of the second guide slot 23.

[0049] The top of the first carrier 2 is slidingly connected with a first guide assembly 25. The stroke of the first guide assembly 25 is greater than the strokes of the first limiting assembly 24 and the second limiting assembly 29, which is used to guide the first workpiece 100 into the stroke range of the first limiting piece and the second limiting piece. The first guide assembly 25 comprises a first guide plate 251, a second guide plate 252 and a third guide plate 253. The first guide plate 251 is slidingly connected to the top of the first carrier 2 along the length direction of the first guide slot 22 through a guide rail, and is located between the two first guide slots 22. The second guide plate 252 is slidingly connected to the top of the first carrier 2 along the length direction of the second guide slot 23 through a guide rail, and is located between the two second guide slots 23. The moving direction of the first guide plate 251 and the moving direction of the second guide plate 252 are perpendicular to each other.

[0050] The third guide plate 253 is located at the included angle of the first guide plate 251 and the second guide plate 252. The third guide plate 253 moves towards the first positioning notch 21, and is used to push the first workpiece 100 towards the first positioning notch 21. Preferably, the moving direction of the third guide plate 253 forms a 45° angle with the moving direction of the first guide plate 251, and the moving direction of the third guide plate 253 forms a 45° angle with the moving direction of the second guide plate 252.

[0051] In the embodiment, the top of the first carrier 2 is provided with a first suction port 26, the third guide plate 253 is provided with an opening communicated with the first suction port 26, and the inside of the first carrier 2 is provided with a negative pressure machine communicated with the first suction port 26. In other embodiments, the first suction port 26 is provided with a plurality of openings communicated with the negative pressure machine, and the first guide plate 251 and the second guide plate 252 are provided with openings communicated with the first suction port 26. When any of the openings is communicated with the first suction port 26, the first workpiece 100 can be adsorbed, so that the first workpiece 100 moves synchronously with the first guide assembly 25. In the embodiment, the first supporting plate 27 is also provided with the first suction port 26.

[0052] The first supporting plate 27 is provided with the first positioning gap 21, and the top of the first supporting plate 27, the first guide plate 251, the second guide plate 252 and the third guide plate 253 are located on the same horizontal plane, so as to facilitate pushing the first workpiece 100 onto the first supporting plate 27. The first supporting plate 27 is rotatably connected to the first carrier 2 by a motor.

[0053] As shown in Figure 5 , the first positioning gap 21 is also provided with a first positioning assembly 28, and the first positioning assembly 28 includes a first positioning cylinder 281 and a first stop block 282. The cylinder body of the first positioning cylinder 281 is fixedly arranged in the first carrier 2, and the first stop block 282 is fixedly arranged on the piston rod of the first positioning cylinder 281. The first positioning assembly 28 is located on the side of the first supporting plate 27 away from the first guide assembly 25. The first positioning cylinder 281 drives the first stop block 282 to rise, so that the first stop block 282 abuts against the side wall of the first workpiece 100, so as to position the first workpiece 100 on the first supporting plate 27. In the embodiment, the first positioning assembly 28 includes two groups. One group of the first positioning assembly 28 corresponds to the first limiting assembly 24, and the other group of the first positioning assembly 28 corresponds to the second limiting assembly 29, that is, the two groups of the first positioning assembly 28 are perpendicular to each other.

[0054] As shown in Figures 2 to 4 , the top of the second carrier 3 is configured as a horizontal plane for carrying the second workpiece 200. Preferably, the upper end surface of the second carrier 3 and the upper end surface of the first carrier 2 are located on the same horizontal plane. The second carrier 3 is built-in with a second containing cavity for loading a plurality of assemblies for driving the second workpiece 200 to move.

[0055] The top of the second carrier 3 is provided with a second positioning notch 31, a third guide slot 32 and a fourth guide slot 33, which are all in communication with the second accommodating cavity. The second positioning notch 31 is offset from the rotation center of the second carrier 3. Preferably, the distance between the center of the first positioning notch 21 and the rotation center of the first carrier 2 is the same as the distance between the center of the second positioning notch 31 and the rotation center of the second carrier 3, and the distance between the center of the first positioning notch 21 and the edge of the first carrier 2 is the same as the distance between the center of the second positioning notch 31 and the edge of the second carrier 3. The third guide slot 32 and the fourth guide slot 33 are both in the shape of a long strip, and the ends of the third guide slot 32 and the fourth guide slot 33 are both in communication with the second positioning notch 31. Preferably, the third guide slot 32 and the fourth guide slot 33 are perpendicular to each other.

[0056] The second accommodating cavity of the second carrier 3 is provided with a third limiting assembly 34 and a fourth limiting assembly 35. The sliding direction of the third limiting assembly 34 is parallel to the length direction of the third guide slot 32, and the sliding direction of the fourth limiting assembly 35 is parallel to the length direction of the fourth guide slot 33. In this embodiment, the third limiting assembly 34 includes a third cylinder and a third limiting piece. The cylinder body of the third cylinder is connected to the second carrier 3 through rail sliding. The third limiting piece is fixed to the piston rod of the third cylinder. The piston rod of the third cylinder is extended upward in the vertical direction, pushes the third limiting piece out of the third guide slot 32, abuts against the edge of the second workpiece 200, and pushes the second workpiece 200 toward the second positioning notch 31. The fourth limiting assembly 35 includes a fourth cylinder and a fourth limiting piece. The cylinder body of the fourth cylinder is connected to the bottom of the fourth guide slot 33 through rail sliding. The fourth limiting piece is fixed to the piston rod of the fourth cylinder. The piston rod of the fourth cylinder pushes the fourth limiting piece out of the fourth guide slot 33. The third limiting assembly 34 and the fourth limiting assembly 35 cooperate to push the second workpiece 200 toward the second positioning notch 31. In other embodiments, the third limiting assembly 34 and the fourth limiting assembly 35 can adopt an electric push rod or an electromagnetic adsorption device. Preferably, the third guide slot 32 and the fourth guide slot 33 are provided in pairs.

[0057] A second guide assembly 39 is slidably connected to the top of the second platform 3. The stroke of the second guide assembly 39 is greater than that of the third limiting assembly 34 and the fourth limiting assembly 35. It is used to guide the second workpiece 200 toward the second positioning notch 31 and to guide the second workpiece 200 within the stroke range of the third limiting assembly 34 and the fourth limiting assembly 35. The second guide assembly 39 includes a fourth guide plate 391, a fifth guide plate 392, and a sixth guide plate 393. The fourth guide plate 391 is slidably connected to the top of the second platform 3 via a guide rail along the length direction of the third guide groove 32. The fifth guide plate 392 is slidably connected to the top of the second platform 3 via a guide rail along the length direction of the fourth guide groove 33. The sixth guide plate 393 is located at the angle between the fourth guide plate 391 and the fifth guide plate 392, and the sixth guide plate 393 moves toward the second positioning notch 31.

[0058] In this embodiment, the top of the second platform 3 is provided with a second adsorption port 38, and the sixth guide plate 393 has an opening communicating with the second adsorption port 38. The interior of the second platform 3 is provided with a second negative pressure machine, which is connected to the second adsorption port 38. In other embodiments, there are multiple second adsorption ports 38, all of which are connected to the second negative pressure machine. The fourth guide plate 391 and the fifth guide plate 392 are both provided with openings communicating with the second adsorption ports 38. When any opening is connected to the second adsorption port 38, it can adsorb the second workpiece 200, so that the second workpiece 200 and the second guide assembly 39 move synchronously.

[0059] The second positioning notch 31 is provided with a second support plate 37. The second support plate 37 is connected to the second platform 3 by a motor. The tops of the second support plate 37, the fourth guide plate 391, the fifth guide plate 392 and the sixth guide plate 393 are all located on the same horizontal plane, so as to facilitate the transport of the second workpiece 200 to the second support plate 37.

[0060] like Figure 6 As shown, the second positioning notch 31 is further provided with a second positioning component 36. The second positioning component 36 includes a second positioning cylinder 361 and a second stop 362. The cylinder body of the second positioning cylinder 361 is fixed inside the second platform 3, and the second stop 362 is fixed to the piston rod of the second positioning cylinder 361. The second positioning component 36 is located on the side of the second support plate 37 away from the second guide component 39. The second positioning cylinder 361 drives the second stop 362 to rise, so that the second stop 362 abuts against the side wall of the second workpiece 200 to position the second workpiece 200. In this embodiment, there are two sets of second positioning components 36. One set of second positioning components 36 corresponds to the third limiting component 34, and the other set of second positioning components 36 corresponds to the fourth limiting component 35. That is, the two sets of second positioning components 36 are perpendicular to each other.

[0061] The cleaning mechanism 4 comprises a mechanical arm 41 and a cleaning piece 42 fixed to the end of the mechanical arm 41. The cleaning piece 42 has at least two opposite laser cleaning ends, one of which is used to face the first workpiece 100 on the first carrier 2, and the other is used to face the second workpiece 200 on the second carrier 3, so that the cleaning mechanism 4 can clean two workpieces at the same time. The mechanical arm 41 has multiple degrees of freedom, and the bottom of the mechanical arm 41 is fixed to the workbench 1 near the output end of the first sliding rail 11, and the mechanical arm 41 drives the cleaning piece 42 to move between the two workpieces.

[0062] Specifically, the first carrier 2 and the second carrier 3 rotate so that the positions of the two workpieces are close to the cleaning piece 42, and the first supporting plate 27 and the second supporting plate 37 respectively drive one workpiece to rotate, and the cleaning piece 42 synchronously cleans the side walls of the two workpieces.

[0063] A cleaning method:

[0064] S1: The first carrier 2 moves to the input end of the first sliding rail 11, and the second carrier 3 moves to the input end of the second sliding rail 12, at this time the first guide plate 251, the second guide plate 252 and the third guide plate 253 are away from the first supporting plate 27, the first limiting piece is located at the bottom of the first guide groove 22, the first carrier 2 and the second carrier 3 respectively receive a workpiece to be cleaned, and the fourth guide plate 391, the fifth guide plate 392 and the sixth guide plate 393 are away from the second supporting plate 37;

[0065] S2: The first carrier 2 moves from the input end of the first sliding rail 11 to the output end of the first sliding rail 11, and the second carrier 3 moves from the input end of the second sliding rail 12 to the output end of the second sliding rail 12;

[0066] S3: The two groups of first positioning assemblies 28 extend out of the first positioning gap 21 to form a block to the first workpiece 100, and the two groups of second positioning assemblies 36 extend out of the second positioning gap 31 to form a block to the second workpiece 200;

[0067] S4: The first guide plate 251, the second guide plate 252 and the third guide plate 253 drive the first workpiece 100 to move towards the first supporting plate 27 from three different directions, the first cylinder drives the first limiting piece to extend out of the first guide groove 22, the second cylinder drives the second limiting piece to extend out of the second guide groove 23, and the first limiting piece cooperates with the second limiting piece to push the first workpiece 100 onto the first supporting plate 27, so that the outer side wall of the first workpiece 100 abuts against the first stop block 282, and the first limiting assembly 24, the second limiting assembly 29 and the corresponding first positioning assembly 28 are positioned along two perpendicular directions.

[0068] The fourth guide plate 391, the fifth guide plate 392 and the sixth guide plate 393 drive the second workpiece 200 to move towards the second supporting plate 37 from three different directions, the third cylinder drives the third limiting piece to extend out of the third guide slot 32, the fourth cylinder drives the fourth limiting piece to extend out of the fourth guide slot 33, and the third limiting piece and the fourth limiting piece push the second workpiece 200 onto the second supporting plate 37, so that the outer side wall of the second workpiece 200 abuts against the second stop block 362, and the third limiting assembly 34, the fourth limiting assembly 35 and the corresponding second positioning assembly 36 position the second workpiece 200 in two perpendicular directions;

[0069] S5: The first workpiece 100 and the second workpiece 200 are adjusted in position by the coordinated rotation of the first carrier 2 and the first sliding table 13, and the second carrier 3 and the second sliding table 14, so as to ensure that the side walls of both are accurately positioned within the effective working range of the cleaning mechanism 4;

[0070] S6: The mechanical arm 41 drives the cleaning piece 42 to above the first workpiece 100, the first supporting plate 27 drives the first workpiece 100 to rotate, and the cleaning piece 42 performs laser cleaning on the top of the first workpiece 100;

[0071] S7: The mechanical arm 41 drives the cleaning piece 42 to between the first workpiece 100 and the second workpiece 200, the first supporting plate 27 and the second supporting plate 37 are synchronously rotated, and the cleaning mechanism 4 simultaneously performs laser cleaning on the side walls of the first workpiece 100 and the second workpiece 200;

[0072] S8: The first workpiece 100 is cleaned, the first sliding table 13 drives the first carrier 2 to move to the input end of the first sliding rail 11, and another first workpiece 100 to be cleaned is replaced by the cleaned first workpiece 100 by manual operation, and the steps S2 to S4 for the first workpiece 100 are repeated, while the mechanical arm 41 drives the cleaning piece 42 to above the second workpiece 200, the second supporting plate 37 drives the second workpiece 200 to rotate, and the cleaning piece 42 performs laser cleaning on the top of the second workpiece 200;

[0073] S9: The steps S6-S8 are cyclically executed to realize non-stop cleaning of the cleaning mechanism 4, thereby greatly improving the cleaning efficiency.

[0074] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application, therefore, no matter from which point of view, the examples should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A laser cleaning apparatus, characterized by, The utility model relates to a kind of laser cleaning device, including: Workbench; First carrier, rotationally connected to the workbench, the first carrier is equipped with first positioning assembly and first limiting assembly, the first positioning assembly telescopes along vertical direction, protrude the top of the first carrier or retract inside the first carrier, the first limiting assembly moves towards first positioning assembly, to first workpiece positioning; Second carrier, rotationally connected to the workbench close to first carrier, the second carrier is equipped with second positioning assembly and third limiting assembly, the second positioning assembly telescopes along vertical direction, protrude the top of the second carrier or retract inside the second carrier, the third limiting assembly moves towards second positioning assembly, to second workpiece positioning; Cleaning mechanism has multiple degrees of freedom and at least includes two opposite laser cleaning ends, for simultaneously cleaning the outer sidewall of first workpiece and the outer sidewall of second workpiece, or cleaning the top of first workpiece and the top of second workpiece respectively; The first carrier is provided with a first positioning notch, a first supporting plate is rotationally connected in the first positioning notch, the rotation axis of the first supporting plate is parallel to the rotation center of the first carrier and is eccentrically arranged, the first positioning assembly is arranged on the outer sidewall of the first supporting plate for positioning the first workpiece; The second carrier is provided with a second positioning notch, a second supporting plate is rotationally connected in the second positioning notch, the rotation axis of the second supporting plate is parallel to the rotation center of the second carrier and is eccentrically arranged, the second positioning assembly is arranged on the outer sidewall of the second supporting plate for positioning the second workpiece; The top of the first carrier is configured as a horizontal plane, the top of the first carrier is provided with a first guide groove and a second guide groove, the first guide groove and the second guide groove are arranged at an angle to communicate with the first positioning notch, the first limiting assembly is slidably connected to the bottom of the first guide groove and moves along the length direction thereof, the first limiting assembly extends out of or retracts into the first guide groove, the second guide groove is slidably connected to the bottom of the second limiting assembly, and the second limiting assembly extends out of or retracts into the second guide groove; The top of the second carrier is parallel to the top of the first carrier, the top of the second carrier is provided with a third guide groove and a fourth guide groove that communicate with the second positioning notch, the third limiting assembly is slidably connected to the bottom of the third guide groove, the third limiting assembly extends out of or retracts into the third guide groove, the fourth guide groove is slidably connected to the bottom of the fourth limiting assembly, and the fourth limiting assembly extends out of or retracts into the fourth guide groove; The top of the first carrier is slidably connected to a first guide assembly, the stroke of the first guide assembly is greater than the stroke of the first limiting assembly and the second limiting assembly, the first guide assembly includes a first guide plate, a second guide plate and a third guide plate that are coplanar with the first supporting plate, and are slidably connected to the top of the first carrier in the direction of the first supporting plate. The top of the second carrier is slidably connected with a second guide assembly, the stroke of the second guide assembly is greater than the stroke of the third limiting assembly and the fourth limiting assembly, the second guide assembly comprises a fourth guide plate, a fifth guide plate and a sixth guide plate which are coplanar with the second supporting plate and are slidably connected to the top of the second carrier towards the second supporting plate; The first guide plate, the second guide plate and the third guide plate are arranged radially, and the adjacent guide plates form an acute angle and converge at the rotation center of the first supporting plate, and the fourth guide plate, the fifth guide plate and the sixth guide plate are arranged radially, and the adjacent guide plates form an acute angle and converge at the rotation center of the second supporting plate.

2. A laser cleaning apparatus as claimed in claim 1, characterized in that: The top of the workbench is provided with a first sliding rail and a second sliding rail which are parallel to each other, the first sliding rail is slidably connected with a first sliding table, the first carrier is rotatably connected to the first sliding table, and the second sliding rail is slidably connected with a second sliding table, and the second carrier is rotatably connected to the second sliding table.

3. The laser cleaning apparatus of claim 1, wherein: The first positioning assembly and the second positioning assembly are each provided with a plurality of groups, the first limiting assembly and the second limiting assembly each correspond to a group of the first positioning assembly, and the third limiting assembly and the fourth limiting assembly each correspond to a group of the second positioning assembly.

4. The laser cleaning apparatus of claim 1, wherein: The cleaning mechanism comprises a mechanical arm and a cleaning piece, the mechanical arm has multiple degrees of freedom, and the cleaning piece has at least two opposite laser cleaning ends for simultaneously cleaning the outer side walls of two workpieces.

5. A cleaning method characterized by: The laser cleaning equipment comprises the laser cleaning device according to any one of claims 1-4, and a cleaning method is as follows: S1: the first carrier moves to the input end of the first sliding rail, the second carrier moves to the input end of the second sliding rail, at this time, the first guide plate, the second guide plate and the third guide plate are away from the first supporting plate, the first carrier and the second carrier respectively receive a workpiece to be cleaned, the fourth guide plate, the fifth guide plate and the sixth guide plate are away from the second supporting plate, at this time, the first limiting assembly, the second limiting assembly, the third limiting assembly and the fourth limiting assembly are in the retracted state; S2: the first carrier moves from the input end of the first sliding rail to the output end of the first sliding rail, and the second carrier moves from the input end of the second sliding rail to the output end of the second sliding rail; S3: two groups of the first positioning assembly extend the first positioning gap to form a block to the first workpiece, and two groups of the second positioning assembly extend the second positioning gap to form a block to the second workpiece; S4: the first guide plate, the second guide plate and the third guide plate drive the first workpiece to move towards the first supporting plate from three different directions, the first limiting assembly extends the first guide slot, the second limiting assembly extends the second guide slot, the first limiting assembly cooperates with the second limiting assembly to push the first workpiece to the first supporting plate, so that the outer side wall of the first workpiece abuts against the first positioning assembly, and the first limiting assembly, the second limiting assembly and the corresponding first positioning assembly position the first workpiece along two perpendicular directions. The fourth guide plate, the fifth guide plate and the sixth guide plate drive the second workpiece to move towards the second supporting plate from three different directions, the third limiting assembly extends out of the third guide slot, the fourth limiting assembly extends out of the fourth guide slot, and the third limiting assembly and the fourth limiting assembly push the second workpiece onto the second supporting plate, so that the outer side wall of the second workpiece abuts against the second positioning assembly, and the third limiting assembly, the fourth limiting assembly and the corresponding second positioning assembly position the second workpiece in two perpendicular directions; S5: Adjust the orientation of the first workpiece and the second workpiece by the coordinated rotation of the first carrier and the first sliding table, the second carrier and the second sliding table, to ensure that the side walls of both are accurately positioned within the effective working range of the cleaning mechanism; S6: The mechanical arm drives the cleaning piece to above the first workpiece, the first supporting plate drives the first workpiece to rotate, and the cleaning piece performs laser cleaning on the top of the first workpiece; S7: The mechanical arm drives the cleaning piece to between the first workpiece and the second workpiece, the first supporting plate and the second supporting plate rotate synchronously, and the cleaning mechanism simultaneously performs laser cleaning on the side walls of the first workpiece and the second workpiece; S8: The first workpiece is cleaned, the first sliding table moves the first carrier to the input end of the first sliding rail, and another first workpiece to be cleaned is replaced by the first workpiece that has been cleaned by manual operation, and the steps S2 to S4 for the first workpiece are repeated, at the same time, the mechanical arm drives the cleaning piece to above the second workpiece, the second supporting plate drives the second workpiece to rotate, and the cleaning piece performs laser cleaning on the top of the second workpiece; S9: The steps S6-S8 are executed in a loop to realize non-stop cleaning of the cleaning mechanism, greatly improving the cleaning efficiency.

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