Laser cleaning device for swing lever contact

Abstract

The application discloses a swing lever contact laser cleaning device, which comprises a workshop equipment support frame, a laser cleaning device, a return track and a swing lever group. The laser cleaning device is installed on the workshop equipment support frame. The swing lever group is driven by a motor in a swing lever system to run along the return track. The swing lever group comprises a front swing lever and a rear swing lever. The return track is horizontally installed on the workshop equipment support frame and is parallel to the running path of the swing lever group. The swing lever contact is cleaned by a laser. Compared with the traditional brush cleaning mode, the laser cleaning is more efficient and thorough, and the swing lever sparking problem caused by incomplete cleaning can be reduced. The swing lever is cleaned during the swing lever running process, and the swing lever does not need to stop for cleaning, so that the production rhythm is not affected, and the production efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of pendulum cleaning technology, and more particularly to a laser cleaning device for pendulum contacts. Background Technology

[0002] The existing pendulum cleaning technology in the pendulum system of the painting workshop uses brush cleaning. However, the brushes fork and wear out quickly, requiring frequent manual replacement. This results in a heavy workload and high operational difficulty. If the replacement is not done in time, it can lead to incomplete cleaning and cause sparking problems in the pendulum. Summary of the Invention

[0003] To address the aforementioned problems, this invention provides a laser cleaning device for the pendulum contact.

[0004] To achieve the above objectives, this application provides the following technical solution:

[0005] A swing arm contact laser cleaning device includes a workshop equipment support frame, a laser cleaning device, a return track, and a swing arm assembly. The laser cleaning device is installed on the workshop equipment support frame. The swing arm assembly runs along the return track under the drive of a motor in the swing arm system. The swing arm assembly includes a front swing arm and a rear swing arm. The return track is horizontally installed on the workshop equipment support frame and is parallel to the running path of the swing arm assembly.

[0006] The laser cleaning device is further configured as follows: It includes two parallel first trusses, each mounted on a workshop equipment support frame. Between the two first trusses are two second trusses perpendicular to them. One second truss has an A-line linear guide rail parallel to it, and the other second truss has a first rodless cylinder and a B-line linear guide rail. A support plate is slidably connected between the A-line and B-line linear guide rails and fixedly connected to the piston of the first rodless cylinder. A second rodless cylinder and a C-line linear guide rail are mounted on the support plate. A laser support frame is connected to the piston of the second rodless cylinder. The laser support frame is slidably connected to the C-line linear guide rail. A laser head is mounted on the laser support frame. The laser cleaning device also includes a laser generator, and the laser head is connected to the laser generator via an optical fiber.

[0007] The laser support frame is further configured as follows: the laser support frame includes a first steel plate, a bent plate, a support plate, a second steel plate, and a third steel plate. The first steel plate is horizontally arranged, and a first elongated hole is opened on its upper surface, through which the first elongated hole is provided. A bolt that simultaneously passes through the bent plate is provided in the first elongated hole, and a nut is provided at the bottom end of the bolt. A second elongated hole is opened on the side of the bent plate. The support plate is connected to the bent plate through the bolt and nut at the second elongated hole. The second steel plate is vertically arranged on the lower surface of the first steel plate. The third steel plate is horizontally arranged on the lower surface of the second steel plate. The laser head is connected to the support plate. The third steel plate is connected to the second rodless cylinder.

[0008] The configuration is further defined as follows: two connecting frames are connected between the two second trusses, the two connecting frames are located at the two ends of the second trusses respectively, a support plate is located between the two connecting frames, and a guide groove parallel to the return track is installed between the two connecting frames. The guide groove includes a low flat section, an uphill section and a high flat section arranged sequentially along the direction away from the laser head, and a guide rod connected to the support plate is provided in the guide groove.

[0009] Further configuration: a first detection switch is installed on the return track, and the first detection switch is located on the side of the return track near the low flat section of the guide trough; a second detection switch is installed on the workshop equipment support frame; a signaling lever is provided on the front swing arm; a third detection switch is also installed on the return track, and the third detection switch is located directly below the high flat section of the guide trough; and a trigger switch is installed at the highest point of the uphill section of the guide trough.

[0010] The guide groove is further configured such that both ends are provided with adjustment components for adjusting the height of the guide groove. The adjustment components include a vertically arranged long screw, an adjustment nut is threaded onto the long screw, an adjustment block is fixedly connected to the guide groove on the top surface of the adjustment nut, a fastening nut is threaded onto the upper surface of the adjustment block and is threaded onto the long screw, and a locking nut threaded onto the long screw is threaded onto the upper surface of the fastening nut.

[0011] Further configured as follows: the guide rod includes an optical axis, and connecting shafts are respectively provided on both sides of one end of the optical axis. Conical wheels are provided on the two connecting shafts. The guide rod is tumblingly connected to the guide groove through the conical wheels. An inverted concave wheel frame is provided at the other end of the optical axis. Push wheels are rotatably connected to the inner walls of both sides of the wheel frame through rotating shafts and rolling bearings.

[0012] The support plate is further configured such that a rib is connected to the side of the support plate away from the laser head, and a vertically arranged sleeve is connected to the other end of the rib. A sliding bearing is provided inside the sleeve, and the guide rod cooperates with the sliding bearing to slide up and down along the sleeve.

[0013] Further configuration: a first limiting cylinder is provided between the cone wheel and the rolling bearing, the first limiting cylinder is used for inward limiting, and a second limiting cylinder is provided on both sides of the push wheel to limit the push wheel, and the two second limiting cylinders are sleeved on the rotating shaft and both are in contact with the inner wall of the wheel frame.

[0014] The system is further configured to include a vacuum cleaner, and the support plate is also provided with an air collection hood, which is connected to the vacuum cleaner via an air duct.

[0015] Compared with the prior art, the beneficial technical effects of the present invention are as follows:

[0016] 1. This invention uses a laser to clean the pendulum rod contacts. Compared with the traditional brush cleaning method, laser cleaning is more efficient and thorough, and can reduce the problem of pendulum rod arcing caused by incomplete cleaning.

[0017] 2. The present invention adopts a follow-up method for cleaning the pendulum contact, which cleans the pendulum during operation without stopping the pendulum for cleaning. This does not affect the production cycle and improves production efficiency.

[0018] 3. The laser cleaning system for the pendulum contact of this invention adopts a purely mechanical structure (guide rod, guide groove) for the pendulum follow-up, which avoids the problem of the entire line being blocked and affecting the overall line rhythm when electric or pneumatic components fail, thus improving the stability and reliability of the system. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is another overall structural schematic diagram of the present invention;

[0022] Figure 3 This is a schematic diagram of the laser cleaning device of the present invention;

[0023] Figure 4 for Figure 3 A magnified view of part A;

[0024] Figure 5 for Figure 3 Enlarged view of part of the structure;

[0025] Figure 6 This is a structural diagram of the laser support frame of the present invention;

[0026] Figure 7 This is a structural diagram of the guide groove of the present invention;

[0027] Figure 8 for Figure 7 A magnified view of section B;

[0028] Figure 9 This is a structural diagram of the guide rod of the present invention;

[0029] Figure 10 for Figure 9 Enlarged view of part of the structure;

[0030] Figure 11 This is a structural diagram of the support plate of the present invention;

[0031] Figure 12 This is a structural diagram of the trigger switch of the present invention;

[0032] Figure 13 This is a structural diagram of the front swing arm of the present invention;

[0033] Figure 14 This is a structural diagram of the rear swingarm of the present invention.

[0034] Attached reference numerals: 1. Workshop equipment support frame; 2. Return track; 3. Vacuum cleaner; 3-1. Air duct; 4. Electrical control cabinet; 5. First truss; 6. Second truss; 7. A. Linear slide rail; 8. First rodless cylinder; 9. B. Linear slide rail; 10. Tripod; 11. Support plate; 12. Second rodless cylinder; 13. C. Linear slide rail; 14. Laser support frame; 141. First steel plate; 142. Bending plate; 143. Support plate; 144. Second steel plate; 145. Third steel plate; 146. First elongated hole; 147. Second elongated hole; 15. Laser head; 16. Laser generator; 17. Gas collection hood; 18. Workshop top steel frame; 19. Hanger; 20. Front swing arm; 201. 21. No. 1 pole; 22. Rear swing arm; 23. Cable chain; 24. Connecting frame; 25. Guide groove; 26. Low flat section; 27. Uphill section; 28. High flat section; 29. ​​Long screw; 20. Adjusting nut; 20. Adjusting block; 21. Fastening nut; 20. Fixed nut; 30. Guide rod; 301. Optical shaft; 302. Connecting shaft; 303. Conical wheel; 304. First limiting cylinder; 305. Snap ring; 306. Concave wheel frame; 307. Push wheel; 308. Second limiting cylinder; 31. Rib plate; 32. Sleeve; 33. Sliding bearing; 34. First detection switch; 35. Second detection switch; 36. Third detection switch; 37. Trigger switch; 38. Photoelectric switch; 39. Reflector. Detailed Implementation

[0035] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0038] Example

[0039] Reference Figures 1-14 The present invention discloses a swing arm contact laser cleaning device, which includes a workshop equipment support frame 1, a laser cleaning device, a return track 2, a swing arm assembly, a vacuum cleaner 3, and an electrical control cabinet 4.

[0040] The laser cleaning device includes two parallel first trusses 5, which are bolted to the columns of the workshop equipment support frame 1. Two second trusses 6 are bolted between the two first trusses 5 and are perpendicular to them. Two second trusses 6 are provided. A linear slide rail 7 parallel to the second truss 6 is provided on one second truss 6, and a first rodless cylinder 8 and a linear slide rail 9 are provided on the other second truss 6. Specifically, a tripod 10 is installed on the side of the second truss 6, and the linear slide rail 9 is installed on the tripod 10. A support plate 11 is slidably connected between the linear slide rail 7 and the linear slide rail 9 and is fixedly connected to the piston of the first rodless cylinder 8. A second rodless cylinder 12 and a linear slide rail 13 are installed on the support plate 11. A laser support frame 14 is bolted to the piston of the second rodless cylinder 12 and is slidably connected to the linear slide rail 13. A laser head 15 is bolted to the laser support frame 14.

[0041] The laser cleaning device also includes a laser generator 16, and the laser head 15 is connected to the laser generator 16 via an optical fiber, thereby forming a laser generation system;

[0042] In this embodiment, the laser support frame 14 includes a first steel plate 141, a bent plate 142, a support plate 143, a second steel plate 144, and a third steel plate 145. The first steel plate 141 is horizontally arranged, with a first elongated hole 146 penetrating its upper surface. A bolt passing through the bent plate 142 is installed in the first elongated hole 146, and a nut is provided at the bottom of the bolt. The connection between the first steel plate 141 and the bent plate is achieved through the cooperation of the bolt and nut. Similarly, a second elongated hole 147 is provided on the side of the bent plate 142, and the support plate 143 is connected to the bent plate 142 through the bolt and nut at the second elongated hole 147. The second steel plate 144 is vertically arranged on the lower surface of the first steel plate 141, and the third steel plate 145 is horizontally arranged on the lower surface of the second steel plate 144. The support plate 143 is connected to the aforementioned laser head 15 by bolts, and the third steel plate 145 is connected to the second rodless cylinder 12 by bolts.

[0043] Because there may be installation errors during installation, and the laser head 15 requires high precision in working distance, the laser support frame 14 is an adjustable mechanism: during adjustment, the bending plate 142 can be adjusted back and forth through the first elongated hole 146, and the support plate 143 can be adjusted up and down relative to the bending plate 142 through the second elongated hole 147.

[0044] A gas collection hood 17, which is bolted to the support plate 11, is also provided to collect the smoke generated during the laser cleaning process. The gas collection hood 17 is connected to the vacuum cleaner 3 via the air duct 3-1. Furthermore, the present invention also includes a workshop top steel frame 18, on which a hanger 19 is provided. The air duct 3-1 of the vacuum cleaner 3 is suspended on the hanger 19.

[0045] The return track 2 is horizontally installed on the cross column of the workshop equipment support frame 1, and the return track 2 is parallel to the second truss 6. The swing arm group runs along the return track 2 under the drive of the motor in the swing arm system. The swing arm group includes a front swing arm 20 and a rear swing arm 21, and both the front swing arm 20 and the rear swing arm 21 are provided with copper contacts.

[0046] A drag chain 22 is bolted onto the support plate 11 to protect the cables of each component;

[0047] Two connecting frames 23 are connected between the two second trusses 6, and the two connecting frames 23 are located at the two ends of the second trusses 6 respectively. The support plate 11 is located between the two connecting frames 23. A guide groove 24 parallel to the return track 2 is installed between the two connecting frames 23. In this embodiment, the guide groove 24 includes a low flat section 241, an uphill section 242 and a high flat section 243 arranged sequentially along the direction away from the laser head 15.

[0048] Specifically, both ends of the guide groove 24 are provided with adjustment components that are connected to the connecting frame 23. The adjustment components are used to adjust the height of the guide groove 24.

[0049] Specifically, the adjustment assembly includes a vertically arranged long screw 25, an adjusting nut 26 threadedly connected to the long screw 25, an adjusting block 27 fixedly connected to the guide groove 24 on the top surface of the adjusting nut 26, a fastening nut 28 threadedly connected to the long screw 25 on the upper surface of the adjusting block 27, and a locking nut 29 threadedly connected to the long screw 25 above the fastening nut 28.

[0050] A guide rod 30 is installed inside the guide groove 24. The guide rod 30 can roll along the guide groove 24. The guide rod 30 includes an optical shaft 301. Connecting shafts 302 are respectively provided on both sides of one end of the optical shaft 301. Conical wheels 303 connected by rolling bearings are provided on the two connecting shafts 302. The guide rod 30 is rolledly connected to the guide groove 24 through the conical wheels 303. The two conical wheels 303 are provided for centering and preventing them from falling off.

[0051] Furthermore, a first limiting cylinder 304 is provided between the conical wheel 303 and the rolling bearing. The first limiting cylinder 304 is used for inward limiting. Specifically, the first limiting cylinder 304 is sleeved on the connecting shaft 302 and clamped between the conical wheel 303 and the optical shaft 301. When the conical wheel 303 and the rolling bearing tend to move towards the optical shaft 301, the first limiting cylinder 304 locks the conical wheel 303 and the rolling bearing, preventing them from moving towards the optical shaft 301. Each of the two connecting shafts 302 is provided with a retaining spring 305 at its opposite ends to prevent the conical wheel 303 and the rolling bearing from falling off.

[0052] An inverted concave wheel frame 306 is bolted to the other end of the optical axis 301. Specifically, the top of the concave wheel frame 306 has two parallel vertical clamping plates, and the bottom of the optical axis has a clamping plate inserted into the gap between the two vertical clamping plates. Bolts are threaded through the vertical clamping plate, the clamping plate, and the vertical clamping plate respectively, completing the detachable installation of the concave wheel frame 306. In case of failure, the concave wheel frame 306 can be quickly removed to avoid affecting the production line.

[0053] Push wheels 307 are rotatably connected to rolling bearings on both sides of the inner wall of the wheel frame via a rotating shaft. Furthermore, a second limiting cylinder 308 is provided on both sides of the push wheel 307 to limit the push wheel 307. The two second limiting cylinders 308 are sleeved on the rotating shaft and both are in contact with the inner wall of the wheel frame. The second limiting cylinders 308 are provided to prevent the push wheel 307 from sliding along the rotating shaft.

[0054] In this invention, the conical wheel 303 runs within the guide groove 24. The conical design of the conical wheel ensures the centering of the operation and prevents the wheel from falling out of the guide groove. The push wheel 307 of the guide rod 30 contacts the swing arm assembly. It is made into the form of a wheel to prevent hard friction with the swing arm assembly.

[0055] Furthermore, a stiffener 31 is connected to the side of the support plate 11 away from the laser head 15. The other end of the stiffener 31 is connected to a vertically arranged sleeve 32. A sliding bearing 33 is provided inside the sleeve 32. The aforementioned guide rod 30 can slide up and down along the sleeve 32 in cooperation with the sliding bearing 33, and the sliding bearing 33 and the sleeve 32 are interference fit.

[0056] A first detection switch 34 is installed on the return track 2, and the first detection switch 34 is located on the side of the return track 2 near the low flat section 241 of the guide groove 24. The first detection switch 34 is used to detect the arrival of the front swing arm 20 and the rear swing arm 21.

[0057] A second detection switch 35 is installed on the workshop equipment support frame 1. The second detection switch 35 is used to distinguish whether the device is reached by the front swing arm 20 or the rear swing arm 21. Specifically, the front swing arm 20 is provided with a signaling rod 201. The second detection switch 35 distinguishes whether the device is reached by the front swing arm 20 or the rear swing arm 21 by detecting the position of the signaling rod 201.

[0058] A third detection switch 36 is also installed on the return track 2, and the third detection switch 36 is located directly below the high flat section 243 of the guide groove 24. The third detection switch 36 is used to detect whether the front swing arm 20 and the rear swing arm 21 have passed through this device.

[0059] A trigger switch 37 is installed at the highest point of the uphill section 242 of the guide channel 24.

[0060] Furthermore, a photoelectric switch 38 is installed on one of the first trusses 5, and a reflector 39 corresponding to the photoelectric switch 38 is set on another first truss 5. Under normal conditions, the reflector 39 emits light to the light source photoelectric switch 38. If someone passes by and blocks the light source, the photoelectric switch 38 will not receive the light source, and the control system will then know that someone has entered the system by mistake.

[0061] It is worth mentioning that the present invention also includes a control system coupled to each electrical component, which is capable of receiving signals from each electrical component and controlling the opening and closing of each electrical component.

[0062] The working principle and beneficial effects of this invention are as follows:

[0063] Firstly, it should be noted that this invention only cleans the rear swing arm 21, and does not clean the front swing arm 20;

[0064] When the device is running, the swing arm system (the swing arm system is existing technology and will not be described in detail here) drives the swing arm to run along the return track 2, passing through the low flat section 241, the uphill section 242 and the high flat section 243 of the guide groove 24 in sequence;

[0065] During this process, the swing arm first moves to the laser cleaning device and first touches the guide rod 30. The swing arm pushes the guide rod 30 to move along the guide groove 24 in the guide groove 24. During this process, the first rodless cylinder 8 is in a follow-up state and neither end is ventilated. Therefore, the support plate 11, which is connected to the guide rod 30 through the stiffener 31 and the sleeve 32, will move with the guide rod 30. When the first detection switch 34 detects that the swing arm has arrived, and the second detection switch 35 is not triggered, it means that the swing arm is the rear swing arm 21. At this time, the laser generating system works, and the laser head 15, which moves with the rear swing arm 21 on the support plate 11, peels off the paint on the contact of the rear swing arm 21.

[0066] When the guide rod 30 moves to the uphill section 242 of the guide groove 24, the guide rod 30 gradually rises along the slope of the guide groove 24 and slides upward along the sliding bearing 33 inside the sleeve 32. As the guide rod 30 gradually rises, it will gradually disengage from the rear swing rod 21. When the disengagement is about to be completed, the guide rod 30 touches the trigger switch 37 installed on the guide groove 24. The trigger switch 37 senses that the guide rod 30 has reached its position and sends a signal to the control system. When the guide rod 30 triggers the trigger switch 37, the control system controls the laser generation system to stop. During operation, the control system energizes the solenoid valve in the first rodless cylinder 8, causing the first rodless cylinder 8 to start working and the piston of the first rodless cylinder 8 to continue running in the high-level section 243 of the guide groove 24. This causes the guide rod 30, which is connected to it through the support plate 11, the stiffener 31, and the sleeve 32, to run to the high-level section 243. The guide rod 30 waits in the high-level section 243 for the rear swing rod 21 to pass. At this time, the rear swing rod 21 is completely disengaged from the guide rod 30, and the rear swing rod 21 continues to move forward under the drive of the swing rod system.

[0067] Until the second detection switch 35 detects the arrival of the front swing arm 20 and the third detection switch 36 detects the passage of the front swing arm 20, the piston of the first rodless cylinder 8, under the control of the control system, begins to run in reverse to the initial state. After cleaning one side of all swing arm groups is completed, the piston of the second rodless cylinder 12 drives the support plate 11 to move left and right, thereby driving the laser head 1 to move to the contact on the other side of the swing arm and start the next working cycle. During this working process, the laser head 1 cleans the other uncleaned contact of the swing arm. This process is repeated to achieve follow-up cleaning of the two contacts of the rear swing arm 21. The present invention uses a purely mechanical structure for follow-up, which can reduce the failure rate. In case of failure, the structure of the guide groove 24 and the guide rod 30 will not obstruct the operation of the swing arm group and will not affect the production of the entire line.

[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A laser cleaning device for pendulum contacts, characterized in that, The system includes a workshop equipment support frame (1), a laser cleaning device, a return track (2), and a swing arm assembly. The laser cleaning device is installed on the workshop equipment support frame (1). The swing arm assembly runs along the return track (2) under the drive of a motor in the swing arm system. The swing arm assembly includes a front swing arm (20) and a rear swing arm (21). The return track (2) is horizontally installed on the workshop equipment support frame (1), and the return track (2) is parallel to the running path of the swing arm assembly. The laser cleaning device includes a first truss (5) and a second truss (6) arranged vertically. A linear slide rail (7) parallel to the second truss (6) is provided on one of the second trusses (6), and a first rodless cylinder (8) and a linear slide rail (9) are provided on the other second truss (6). A support plate (11) is slidably connected between the linear slide rail (7) and the linear slide rail (9) and is fixedly connected to the piston of the first rodless cylinder (8). A second rodless cylinder (12) and a linear slide rail (13) are installed on the support plate (11). A laser support frame (14) is connected to the piston of the second rodless cylinder (12). The laser support frame (14) is slidably connected to the linear slide rail (13). A laser head (15) is installed on the laser support frame (14). The laser cleaning device also includes a laser generator (16) connected to the laser head (15). Two connecting frames (23) connect the two second trusses (6), and the two connecting frames (23) are located at the two ends of the second trusses (6). The support plate (11) is located between the two connecting frames (23). A guide groove (24) parallel to the return track (2) is installed between the two connecting frames (23). The guide groove (24) includes a low flat section (241), an uphill section (242) and a high flat section (243) arranged sequentially along the direction away from the laser head (15). A guide rod (30) connected to the support plate (11) is provided in the guide groove (24). A trigger switch (37) is installed at the highest point of the uphill section (242) of the guide groove (24). The support plate (11) is connected to a stiffener (31) on the side away from the laser head (15). The other end of the stiffener (31) is connected to a vertically arranged sleeve (32). A sliding bearing (33) is provided inside the sleeve (32). The guide rod (30) cooperates with the sliding bearing (33) to slide up and down along the sleeve (32). The swing rod first touches the guide rod (30), and the swing rod pushes the guide rod (30) to move along the guide groove (24) in the guide groove (24). During this process, the first rodless cylinder (8) is in a follow-up state, and neither end is ventilated. When the guide rod (30) moves to the uphill section (242) of the guide groove (24), the guide rod (30) moves along the guide groove (242) 24) As the slope gradually rises, the guide rod (30) slides upward along the sliding bearing (33) inside the sleeve (32). As the guide rod (30) gradually rises, the guide rod (30) gradually separates from the rear swing rod (21). When the separation is about to be completed, the guide rod (30) touches the trigger switch (37) installed on the guide groove (24). The trigger switch (37) senses that the guide rod (30) is in place and sends a signal to the control system. When the guide rod (30) triggers the trigger switch (37), the control system controls the laser generation system to stop working. At the same time, the control system controls the solenoid valve in the first rodless cylinder (8) to be energized. At this time, the first rodless cylinder (8) starts to circulate air.

2. The laser cleaning device for the pendulum contact as described in claim 1, characterized in that, There are two first trusses (5), and the two first trusses (5) are arranged in parallel. The two first trusses (5) are respectively installed on the workshop equipment support frame (1). The second truss is arranged between the two first trusses (5). The laser head (15) is connected to the laser generator (16) through an optical fiber.

3. The laser cleaning device for the pendulum contact as described in claim 2, characterized in that, The laser support frame (14) includes a first steel plate (141), a bent plate (142), a support plate (143), a second steel plate (144), and a third steel plate (145). The first steel plate (141) is horizontally arranged, and a first elongated hole (146) is opened on its upper surface. A bolt that passes through the bent plate (142) is provided in the first elongated hole (146), and a nut is provided at the bottom end of the bolt. A second elongated hole (147) is opened on the side of the bent plate (142). The support plate (143) is connected to the bent plate (142) through the bolt and nut at the second elongated hole (147). The second steel plate (144) is vertically arranged on the lower surface of the first steel plate (141). The third steel plate (145) is horizontally arranged on the lower surface of the second steel plate (144). The laser head (15) is connected to the support plate (143), and the third steel plate (145) is connected to the second rodless cylinder (12).

4. The laser cleaning device for the pendulum contact head according to claim 3, characterized in that, A first detection switch (34) is installed on the return track (2), and the first detection switch (34) is located on the side of the return track (2) near the low flat section (241) of the guide groove (24). A second detection switch (35) is installed on the workshop equipment support frame (1). A signaling rod (201) is provided on the front swing rod (20). A third detection switch (36) is also installed on the return track (2), and the third detection switch (36) is located directly below the high flat section (243) of the guide groove (24).

5. The laser cleaning device for the pendulum contact head according to claim 4, characterized in that, Both ends of the guide groove (24) are provided with adjustment components for adjusting the height of the guide groove (24). The adjustment components include a vertically arranged long screw (25), an adjustment nut (26) is threadedly connected to the long screw (25), an adjustment block (27) is fixedly connected to the guide groove (24) on the top surface of the adjustment nut (26), a fastening nut (28) is threadedly connected to the long screw (25) on the upper surface of the adjustment block (27), and a locking nut (29) threadedly connected to the long screw (25) is threadedly connected above the fastening nut (28).

6. The laser cleaning device for the pendulum contact head according to claim 4, characterized in that, The guide rod (30) includes an optical axis (301). Connecting shafts (302) are respectively provided on both sides of one end of the optical axis (301). Conical wheels (303) are provided on the two connecting shafts (302). The guide rod (30) is rolledly connected to the guide groove (24) through the conical wheels (303). An inverted concave wheel frame (306) is provided at the other end of the optical axis (301). Push wheels (307) are rotatably connected to the inner walls of both sides of the wheel frame through rotating shafts and rolling bearings.

7. The laser cleaning device for the pendulum contact head according to claim 6, characterized in that, A first limiting cylinder (304) is provided between the cone wheel (303) and the rolling bearing. The first limiting cylinder (304) is used for inward limiting. A second limiting cylinder (308) is provided on both sides of the push wheel (307) to limit the push wheel (307). The two second limiting cylinders (308) are sleeved on the rotating shaft and are in contact with the inner wall of the wheel frame.

8. The laser cleaning device for the pendulum contact head according to claim 2, characterized in that, It also includes a vacuum cleaner (3), and a gas collection hood (17) is provided on the support plate (11). The gas collection hood (17) is connected to the vacuum cleaner (3) through a duct (3-1).

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