Automatic laser cleaning device

Abstract

The invention belongs to the technical field of laser cleaning and discloses an automatic laser cleaning device which comprises a workbench, a laser cleaning head is mounted on the workbench, rotary supporting assemblies are symmetrically arranged on the workbench, and the rotary supporting assemblies support a cylindrical workpiece and keep the workpiece in a horizontal state. The laser cleaning head is driven to horizontally move in the axial direction of the workpiece, and the rotary supporting assembly drives the workpiece to intermittently rotate so that the side wall of the workpiece can be comprehensively cleaned; according to the laser cleaning device, the rotary supporting assemblies are symmetrically arranged on the workbench, the two rotary supporting assemblies are used in cooperation to support a cylindrical workpiece which is long in size and large in weight, and meanwhile, supporting rollers in the rotary supporting assemblies rotate to drive the workpiece to rotate so as to adjust the angle of the workpiece; compared with an existing sand blasting mode and the like, the side face cleaning device is higher in efficiency and more environmentally friendly.

Description

Technical Field

[0001] The invention relates to the technical field of laser cleaning, and in particular discloses an automatic laser cleaning device. Background Art

[0002] Laser cleaning utilizes the high energy density of lasers to interact with contaminants attached to the workpiece substrate, separating them from the workpiece substrate through instantaneous thermal expansion, melting, and gas volatilization. Compared with traditional chemical cleaning and mechanical cleaning methods, laser cleaning has the advantages of being non-abrasive, non-contact, and heat-free, and is applicable to objects of various materials. It is considered to be the most reliable and effective solution. At the same time, laser cleaning is also highly efficient, environmentally friendly, and energy-saving, and is widely used in tire mold cleaning, aircraft body paint removal, and metal rust removal.

[0003] For example, the patent with announcement number CN114345837B, with announcement date of 2024-08-16, discloses a laser cleaning device, including a workbench, a clamping device, and a cleaning device. The clamping device is located on the workbench, and the clamping device includes a clamp and a first driving element. The clamp is used to clamp the workpiece, and the first driving element is a variable speed driving device. The laser is used to generate a laser beam. The laser head is connected to the laser through an optical fiber. The focusing device includes a first shell and a focusing mirror, and the laser head is connected to one side of the first shell. The cleaning head includes a first shell and a reflector. The bottom of the first shell is connected to the side of the first shell away from the laser head. The mirror surface of the reflector is at a set angle to the axis of the focusing mirror. At least two of the clamping device, the focusing device, and the cleaning head can move along the direction of the workpiece toward the cleaning head. The first driving element drives the workpiece to rotate at different speeds, so that the laser moves at the same speed on the cavity wall when cleaning cavity walls of different diameters, so that the cleaning effect of cavity walls of different diameters is the same.

[0004] The shortcomings of existing laser cleaning devices, including the above-mentioned patents, are that existing laser cleaning devices are mostly used to clean small and lightweight workpieces. For long and heavy workpieces such as steel pipes and round steel, existing cleaning devices are not convenient for adjusting the angle of the steel pipes or round steel to fully clean them, and they are mostly cleaned by existing methods such as sandblasting, wire brushing or grinding wheel polishing. Summary of the Invention

[0005] The purpose of the present invention is to provide an automatic laser cleaning device.

[0006] In order to achieve the above object, the present invention provides the following technical solutions: An automated laser cleaning device includes a workbench, on which a laser cleaning head is mounted, and on which rotating support assemblies are symmetrically arranged. The rotating support assemblies support a cylindrical workpiece and keep the workpiece in a horizontal state. The laser cleaning head is driven to move horizontally along the axial direction of the workpiece, and the rotating support assembly drives the workpiece to rotate intermittently so that the side walls of the workpiece are fully cleaned.

[0007] The above-mentioned laser cleaning device, the rotating support assembly includes support seats symmetrically installed on the workbench, support stations are formed between the support seats, and several groups of support seats are arranged along the length direction of the workbench. Support rollers are rotatably installed on each support seat, and the support rollers are horizontally arranged along the length direction of the workbench.

[0008] In the above-mentioned laser cleaning device, each support seat is slidably installed on the workbench, and each support seat slides along the width direction of the workbench. Each support seat is also provided with a locking member, which is used to lock its corresponding support seat on the workbench.

[0009] In the above-mentioned laser cleaning device, the locking member includes a plug pin slidably mounted on the support seat, and a plug hole matching the plug pin is opened on the workbench.

[0010] In the above-mentioned laser cleaning device, a support frame is movably mounted on the support seat, the support roller is rotatably mounted on the support frame, and a buffer component for buffering the support frame is also mounted on the support seat.

[0011] In the above-mentioned laser cleaning device, the buffer assembly is a hydraulic buffer rod installed on the support seat, and one end of the hydraulic buffer rod away from the support seat is connected to the support frame.

[0012] The above-mentioned laser cleaning device has a V-shaped support frame, and the support frame is rotatably installed on the support seat. Two sets of support rollers are rotatably installed on each support frame. The two support rollers are arranged in parallel and are arranged along the length direction of the workbench. The two ends of the hydraulic buffer rod are rotatably connected to the support seat and the workbench respectively.

[0013] The above-mentioned laser cleaning device has a positioning component on the workbench for adjusting the position of the workpiece so that the workpiece can be hoisted to the position directly above the support station.

[0014] The positioning assembly of the above-mentioned laser cleaning device includes two sets of parallel and vertically arranged positioning plates, which are located on both sides of the supporting station, and the two positioning plates are driven to move toward each other to calibrate the position of the workpiece.

[0015] In the above-mentioned laser cleaning device, two adjacent support seats on the workbench at the same side of the support station are connected by a connecting rod, and the connecting rod corresponding to the positioning plate is detachably connected to the positioning plate.

[0016] In the above technical solution, the laser cleaning device provided by the present invention can support cylindrical workpieces that are long and heavy by symmetrically arranging rotating support assemblies on the workbench. At the same time, the workpiece can be driven to rotate by rotating the support rollers in the rotating support assembly to adjust its angle, so that the side of the workpiece can be fully cleaned. Compared with existing sandblasting and other methods, it is more efficient and more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 A schematic structural diagram of a laser cleaning device provided in an embodiment of the present invention; Figure 2 A schematic diagram of the distribution state of the rotary support assembly on the workbench provided in an embodiment of the present invention; Figure 3 A side view of a workbench provided by an embodiment of the present invention; Figure 4 A cross-sectional view of a workbench and a workpiece provided in an embodiment of the present invention; Figure 5 A cross-sectional view of a workbench when the latch pin provided in an embodiment of the present invention is in a limited position; Figure 6 A cross-sectional view of a workbench when the latch pin provided by an embodiment of the present invention is in a locked state; Figure 7 This is an enlarged schematic diagram of the support frame provided in an embodiment of the present invention.

[0019] Description of reference numerals: 1. Workbench; 11. Connecting hole; 2. Laser cleaning head; 3. Rotating support assembly; 31. Support seat; 32. Support roller; 321. First roller; 322. Second roller; 33. Support frame; 331. V-shaped frame; 332. Rotating shaft; 34. Hydraulic buffer rod; 35. Connecting rod; 36. Arc plate; 4. Support member; 41. Base; 42. Vertical rod; 43. Cross rod; 5. Locking member; 51. Connecting pin; 52. Spring; 53. Pressure plate; 6. Positioning assembly; 61. Positioning plate; 611. Pin hole; 612. Pin shaft; 62. Cylinder. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] In the description of the present invention, unless otherwise specified, “multiple” means two or more; the terms “upper”, “lower”, “left”, “right”, “inside”, “outside”, “front end”, “rear end”, “head”, “tail”, etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms “connected” and “connected” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figure 1-Figure 7 As shown, an embodiment of the present invention provides an automated laser cleaning device, including a workbench 1, a laser cleaning head 2 is installed on the workbench 1, and a rotating support assembly 3 is symmetrically arranged on the workbench 1. The rotating support assembly 3 supports the cylindrical workpiece and keeps the workpiece in a horizontal state. The laser cleaning head 2 is driven to move horizontally along the axial direction of the workpiece, and the rotating support assembly 3 drives the workpiece to rotate intermittently so that the side wall of the workpiece is fully cleaned.

[0023] Specifically, the cleaning device is mainly used for laser cleaning of cylindrical workpieces with long dimensions and heavy weight. Its main structure is a workbench 1, on which a laser cleaning head 2 is installed. The laser cleaning head 2 includes a laser and an optical system (lens, reflector and optical fiber, etc.). The laser and the optical system are both existing technologies and can be directly applied without further description. A rotating support assembly 3 is also symmetrically installed on the workbench 1, such as Figure 1As shown, the symmetrically arranged rotary support assembly 3 is used to support the cylindrical workpiece and keep the central axis of the workpiece horizontal. There is a support station along the length direction of the workbench 1 on the symmetry plane of the rotary support assembly 3. Optionally, the rotary support assembly 3 includes several support rollers 32 rotatably mounted on the workbench 1. Each support roller 32 is arranged along the length direction of the workbench 1, and the central axes of the support rollers 32 on the same side of the support station coincide. With such a setting, when the cylindrical workpiece is hoisted to the support station, the cross-sections of the two groups of support rollers 32 on both sides of the support station and the workpiece form a "pin" character, so as to stably support the workpiece. In this embodiment, the laser cleaning head 2 is installed above the support station through the support member 4. A linear drive mechanism for driving the support member 4 to move along the length direction of the workbench 1 is also provided on the workbench 1. Using the linear drive mechanism to drive the support member 4 to reciprocate along the length direction of the workbench 1 is a prior art and can be directly applied without further description. In addition, a rotary drive member such as a motor for driving the support rollers 32 on one side of the support station to rotate synchronously is also provided on the workbench 1. Obviously, to ensure the automatic operation of the device, a control system, a dust removal device, etc. are also provided on the workbench 1. The control system and the dust removal device are both prior arts and can be directly applied without further description.

[0024] During laser cleaning, the cylindrical workpiece is hoisted to the support station and supported by the support rollers 32 on both sides of the support station. As Figure 1 shown, after the workpiece is placed stably, the laser cleaning head 2 is started. The laser cleaning head 2 is driven to move along the length direction of the workbench 1, that is, the axial direction of the workpiece, and horizontally moves from above one end of the workpiece to above the other end of the workpiece. During this process, the laser emitted by the laser cleaning head 2 cleans the rust on the surface of the workpiece. When the laser cleaning head 2 moves to above the other end of the workpiece, it pauses, and drives the support rollers 32 on one side (or both sides) of the support station to rotate synchronously and in the same direction. When the support rollers 32 rotate, they drive the workpiece to rotate a certain angle through the friction force between them and the workpiece, so as to rotate the surface of the workpiece that has not been cleaned to directly below the laser cleaning head 2. Then the laser cleaning head 2 is driven to move reversely from above the other end of the workpiece to above one end of the workpiece, and the angle of the workpiece is adjusted by driving the support rollers 32 to rotate. In this way, it reciprocates until the outer side wall of the workpiece is completely cleaned.

[0025] The laser cleaning device provided by the embodiment of the present invention can support the cylindrical workpiece with a long size and a large weight by symmetrically arranging the rotary support assemblies 3 on the workbench 1. At the same time, it can also drive the workpiece to rotate to adjust its angle through the rotation of the support rollers 32 in the rotary support assembly 3, so that the side surface of the workpiece can be comprehensively cleaned, which is more efficient and more environmentally friendly than the existing methods such as sandblasting.

[0026] Furthermore, the rotating support assembly 3 includes support seats 31 symmetrically installed on the workbench 1, support stations are formed between the support seats 31, and several groups of support seats 31 are arranged along the length direction of the workbench 1. A support roller 32 is rotatably installed on each support seat 31, and the support rollers 32 are horizontally arranged along the length direction of the workbench 1.

[0027] Specifically, at least two groups of support seats 31 are arranged along the length direction of the workbench 1, and the support rollers 32 are arranged one by one corresponding to the support seats 31, and the support rollers 32 are rotatably installed on their corresponding support seats 31. Each support roller 32 is horizontally arranged along the length direction of the workbench 1 to ensure that the workpiece is stably supported during the cleaning process.

[0028] Furthermore, each support seat 31 is slidably installed on the workbench 1, and each support seat 31 slides along the width direction of the workbench 1. Each support seat 31 is also provided with a locking member 5, which is used to lock its corresponding support seat 31 on the workbench 1.

[0029] Specifically, in the production process, the diameters of steel pipes and round steels are divided into many types, and the support rollers 32 on both sides of the support station are fixed in position. Although they can support workpieces of different diameters within a certain range, when the diameter of the workpiece is large, although it can be supported, the point where the support rollers 32 contact the side of the workpiece when supporting the workpiece is close to the lowest point of the workpiece in the direction of gravity, and the stability of the workpiece during rotation during cleaning cannot be guaranteed. When the diameter of the workpiece is small, the point where the support rollers 32 contact the side of the workpiece is close to the middle of the workpiece in the direction of gravity, making it difficult to drive the workpiece to rotate through the friction between the support rollers 32 and the workpiece. In this embodiment, each support seat 31 is slidably mounted on the workbench 1 On the workbench 1, each support seat 31 slides along the width direction of the workbench 1, so that the spacing between the two groups of support rollers 32 on both sides of the support station can be adjusted, so as to adapt to workpieces of different diameters, ensuring that the workpiece is stably supported while also ensuring that the friction between the workpiece and the support rollers 32 is sufficient to enable the support rollers 32 to drive the workpiece to rotate; in addition, each support seat 31 is also provided with a locking member 5, which can lock the support seat 31 on the workbench 1, thereby ensuring that the support seat 31 cannot slide relative to the workbench 1 during the workpiece cleaning process. Optionally, the locking member 5 is a bolt, and a screw hole for matching the bolt is opened on the workbench 1, and each support seat 31 is locked to different positions on the workbench 1 by the bolt.

[0030] Different diameters of the workpiece will cause the distance between the laser cleaning head 2 and its highest point in the direction of gravity to change. In order to ensure that the laser cleaning head 2 and the workpiece can always maintain an optimal cleaning distance, another linear drive mechanism for adjusting the height of the laser cleaning head 2 is installed on the workbench 1. In this embodiment, the support member 4 is "Z" shaped, which includes a base 41, a vertical rod 42 and a horizontal rod 43. Figure 1 As shown, the base 41 is slidably mounted on the workbench 1, and the base 41 slides along the length direction of the workbench 1, the vertical rod 42 is fixedly mounted on the side of the base 41 close to the support station, the cross bar 43 is slidably mounted on the upper end of the vertical rod 42, and the cross bar 43 extends to directly above the support station. Preferably, the vertical rod 42 is a telescopic rod, and the vertical rod 42 is provided with a driving member such as an electric push rod (not shown in the figure) for driving the cross bar 43 to slide up and down. A motor is fixedly mounted on the base 41, and a gear is fixedly connected to the output end of the motor. A rack is provided on the workbench 1 along its own length direction, and the gear is meshed with the rack, so that when the motor drives the gear to rotate, it can drive the base 41 to move along the length direction of the workbench 1.

[0031] In order to facilitate the unlocking of the support seat 31 to adjust its position on the workbench 1, the locking member 5 includes a plug pin 51 slidably mounted on the support seat 31, and a plug hole 11 is provided on the workbench 1 to match the plug pin 51. Preferably, the plug pin 51 slides along the vertical direction, that is, the height direction of the workbench 1, and a plug hole 11 is vertically provided on the workbench 1 to match the plug pin 51. Sliding the plug pin 51 and inserting it into the plug hole 11 can limit the position of the support seat 31.

[0032] In another embodiment of the present invention, a support frame 33 is movably mounted on the support seat 31 , the support roller 32 is rotatably mounted on the support frame 33 , and a buffer assembly for buffering the support frame 33 is also mounted on the support seat 31 .

[0033] Specifically, due to the large weight of steel pipes and round steel, they are mostly loaded by hoisting. During the hoisting process, the impact of the workpiece on the support roller 32 can easily cause damage to the support roller 32 itself and the connection between the support roller 32 and the support seat 31. In this embodiment, a support frame 33 is movably mounted on the support seat 31. Optionally, the support frame 33 is slidably mounted on the support seat 31, and the support frame 33 slides in the vertical direction, and the support roller 32 is rotatably mounted on the support frame 33. In addition, a buffer component is also installed on the support seat 31, and the sliding of the support frame 33 on the support seat 31 acts as a buffer for the buffer component. The punch provides a certain stroke to protect the support roller 32 and the connection between the support roller 32 and the support seat 31. Optionally, the buffer assembly is a hydraulic buffer rod 34 installed on the support seat 31, and the hydraulic buffer rod 34 is connected to the support frame 33 at one end away from the support seat 31. In this embodiment, since the support frame 33 is slidingly connected to the support seat 31 and the support frame 33 slides in the vertical direction, the hydraulic buffer rod 34 is vertically arranged, and one end of the hydraulic buffer rod 34 is fixedly connected to the support seat 31, and the other end of the hydraulic buffer rod 34 is fixedly connected to the support frame 33.

[0034] Furthermore, the support frame 33 is V-shaped, and the support frame 33 is rotatably installed on the support seat 31. Two sets of support rollers 32 are rotatably installed on each support frame 33. The two support rollers 32 are arranged in parallel, and the two support rollers 32 are arranged along the length direction of the workbench 1. The two ends of the hydraulic buffer rod 34 are rotatably connected to the support seat 31 and the workbench 1 respectively.

[0035] Specifically, in the above embodiment, when the support seat 31 is fixed, the distance between the support rollers 32 on both sides of the support station is determined. In this way, when the diameter of the workpiece changes to a certain extent (the diameter change is small, such as changing from 80 mm to 100 mm), it is necessary to adjust the position of the support seat 31 to change the distance between the two support rollers 32, so as to achieve the best support for the workpiece; in this embodiment, the support frame 33 is V-shaped, such as Figures 4 to 7 As shown, the support frame 33 is rotatably connected to the support base 31. In the figure, the support frame 33 includes two parallel V-shaped frames 331 and a rotating shaft 332 connecting the two V-shaped frames 331. The rotating shaft 332 is rotatably mounted on the support base 31. For the convenience of description, the V-shaped frame 331 includes two end points at the open position and a middle point at the bottom. The two ends of the rotating shaft 332 are respectively connected to the middle points of the corresponding V-shaped frames 331; In addition, two groups of support rollers 32 are rotatably mounted on the support frame 33. The two support rollers 32 are arranged in parallel, and one group of support rollers The two ends of the support roller 32 are respectively rotatably connected to one opposite end point on the two groups of V-shaped frames 331, and the two ends of the other support roller 32 are rotatably connected to the other opposite end point on the two groups of V-shaped frames 331, and all the support rollers 32 are arranged along the length direction of the workbench 1. Because the support frame 33 is rotatably mounted on the support seat 31, in this embodiment, one end of the hydraulic buffer rod 34 is rotatably mounted on the support seat 31, and the other end of the hydraulic buffer rod 34 is rotatably connected to the side of the V-shaped frame 331 close to the end point.

[0036] In the rotation stroke of the support frame 33, there is an initial angle, such as Figure 5 As shown, when at the initial angle, the openings of the two V-shaped frames 331 are inclined toward the above-mentioned support station. Preferably, the angle between the opening of the V-shaped frame 331 and the horizontal direction is between 60° and 75°. The hydraulic buffer rod 34 is connected to the lower side of the V-shaped frame 331 at one end away from the support seat 31 and is rotatably connected at a position near the end point on the side. In this way, when the support frame 33 rotates, the hydraulic buffer rod 34 is mainly subjected to force, thereby enhancing the buffering effect of the hydraulic buffer rod 34 and reducing the force on the rotating shaft 332 in the support frame 33 to prevent the rotating shaft 332 from being damaged.

[0037] During the process of lifting the workpiece, when the support frames 33 on both sides of the support station are in the initial state, since the angle between the opening of the V-shaped frame 331 and the horizontal direction is the largest at this time, the support frames 33 on both sides of the support station have a larger support range, and the workpiece is allowed to have a larger deviation in the process of being lifted to the support station. The workpiece preferentially contacts the support rollers 32 on the support frames 33 on both sides of the support station that are close to the support station (the support frames 33 on both sides of the support station have only one set of support rollers 32 that contact the workpiece). For the convenience of description, the support frames 33 on both sides of the support station that are close to the support station The support roller 32 of the support station is the first roller 321, and the other support roller 32 on the support frame 33 where the first roller 321 is located is the second roller 322. During the workpiece lifting process, it preferentially contacts the first roller 321. As the workpiece slowly falls, the pressure of the workpiece on the first roller 321 prompts the support roller 32 to drive the support frame 33 where it is located to rotate. At this time, the second roller 322 on the support frame 33 gradually approaches the side wall of the workpiece until it contacts the side wall of the workpiece. During this process, the hydraulic buffer rod 34 contracts and slows down the rotation trend of the support frame 33 until the workpiece is stably placed.

[0038] By rotatably connecting the V-shaped support frame 33 to the support seat 31 and rotatably installing two sets of support rollers 32 on each set of support frames 33, on the one hand, the adaptability range of the support frames 33 on both sides of the support station to the workpiece size is increased. During the workpiece lifting process, when there are small deviations in the angle and position of the workpiece, the position of the workpiece can be automatically calibrated by the rotation of the support frame 33; on the other hand, the V-shaped support frame 33 itself forms a lever. When the first roller 321 on the support frame 33 is acted upon by the gravity of the workpiece, it will cause the support frame 33 to have a downward rotation tendency, thereby squeezing the second roller 322 on the support frame 33 toward the workpiece, thereby increasing the friction between the second roller 322 and the workpiece; furthermore, the hydraulic buffer rod 34 is directly rotatably connected to a position near the end point of one side of the V-shaped frame 331 (the side where the first roller 321 is installed). During the process of lifting the workpiece until it is stably placed, the total weight of the workpiece is mainly borne by the hydraulic buffer rods 34, thereby protecting the rotating shaft 332 on the support frame 33 that is rotatably connected to the support seat 31 from damage.

[0039] In another embodiment of the present invention, a positioning assembly 6 is provided on the workbench 1 for adjusting the position of the workpiece so that the workpiece can be hoisted to the position directly above the supporting station.

[0040] Furthermore, the positioning assembly 6 includes two sets of parallel and vertically arranged positioning plates 61 , the positioning plates 61 are located on both sides of the supporting station, and the two positioning plates 61 are driven to move toward each other to calibrate the position of the workpiece.

[0041] Specifically, in the above embodiment, by setting the support frame 33 into a V shape and rotatably installing the first roller 321 and the second roller 322 on each support frame 33, although the deviation of the workpiece during lifting can be calibrated within a certain range, during the workpiece lifting process, the position deviation of the lifting belt bound to the workpiece and the movement of the workpiece driven by the lifting equipment will cause the workpiece deviation to be too large, resulting in one end of the workpiece being completely outside the position that can be calibrated by the support roller 32, that is, the workpiece cannot be calibrated by the rotation of the support frame 33. At this time, the angle of the workpiece is usually adjusted manually, but manual adjustment is more dangerous and poses a safety hazard. In this embodiment, a positioning component 6 is also provided on the workbench 1, and the positioning component 6 can adjust the position of the workpiece so that the workpiece can be directly above the support station, such as Figures 1 to 4 As shown, the positioning assembly 6 includes two groups of parallel and vertically arranged positioning plates 61. The positioning plates 61 are arranged on both sides of the supporting station. The two positioning plates 61 are driven to move toward each other, so that the workpiece can be positioned directly above the supporting station by clamping. At this time, the workpiece can be directly placed downward in the vertical direction. In the figure, the positioning assembly 6 is arranged at a position corresponding to the middle of the supporting station on the workbench 1, that is, the two positioning plates 61 clamp the middle of the workpiece; for the drive of the positioning plate 61, two groups of horizontally arranged cylinders 62 are installed on the workbench 1, and the two groups of positioning plates 61 are fixedly connected to the output ends of their corresponding cylinders 62 respectively.

[0042] In another embodiment of the present invention, two adjacent support seats 31 on the same side of the support station on the workbench 1 are connected by a connecting rod 35, and the connecting rod 35 corresponding to the positioning plate 61 is detachably connected to the positioning plate 61.

[0043] Specifically, due to the large number of support seats 31, when the diameter of the workpiece to be cleaned changes greatly and the distance between the support seats 31 on both sides of the support station needs to be adjusted, it is necessary to adjust them one by one, which is inconvenient to operate and easily leads to inconsistent adjustment amounts of each support seat 31; in this embodiment, the two adjacent support seats 31 on the same side of the support station on the workbench 1 are connected by a connecting rod 35, so that the support seats 31 on the same side of the support station on the workbench 1 are connected into a whole through the connecting rod 35 so that they can be adjusted synchronously. In addition, the connecting rod 35 corresponding to the positioning plate 61 is detachably connected to the positioning plate 61. Optionally, as shown in FIG. Figure 4As shown, the position of the positioning plate 61 corresponding to the connecting rod 35 protrudes horizontally to the top of the connecting rod 35, and a pin hole 611 is provided at the protruding position of the positioning plate 61 and the corresponding position on the connecting rod 35. By installing a pin shaft 612 in the pin hole 611, the positioning plate 61 and the corresponding connecting rod 35 can be connected as a whole, so that the positioning plate 61 is pulled by the above-mentioned cylinder 62, so that the positioning plate 61 drives the support seats 31 on the same side of the support station on the workbench 1 (the side where the positioning plate 61 is located) to slide synchronously, with high adjustment efficiency and consistent adjustment amount of each support plate; in this embodiment, the positioning plate 61 can not only locate the workpiece position, but also be used to adjust the position of each support seat 31 on the same side of the support station.

[0044] Furthermore, the locking member 5 has two states for the support seat 31 : limiting and locking. When the support frame 33 is squeezed and rotated by the workpiece, the locking member 5 is driven to switch from the limiting state to the locking state.

[0045] Specifically, in the above embodiment, the locking member 5 needs to be manually unlocked, but due to the large number of support seats 31, the operation is inconvenient; in this embodiment, the locking member 5 has two states: limited and locked. When in the limited state, it can only limit the position of the support seat 31 on the workbench 1, but when the support seat 31 is subjected to a certain force, it can also slide on the workbench 1, that is, when the locking member 5 is in the limited state, it can pull each support seat 31 to slide synchronously on the workbench 1 through the positioning plate 61, and when the locking member 5 is in the locked state, the positioning plate 61 cannot pull the support seat 31 to slide; Figure 5 and Figure 6 As shown, the plug pin 51 is a square rod, which is vertically mounted on the support seat 31, and the plug pin 51 passes through the support seat 31. A plug hole 11 is provided on the workbench 1 to match the plug pin 51. The lower end of the plug pin 51, that is, the end that matches the plug hole 11, is in an isosceles trapezoidal shape. In addition, a spring 52 is provided on the support seat 31 to maintain the relative position of the plug pin 51 and the support seat 31. The spring 52 is mounted on the part of the plug pin 51 above the support seat 31. A pressure plate 53 is fixed to the upper end of the plug pin 51. When the spring 52 is in a natural state, a part of the end of the plug pin 51 extends into the plug hole 11. An arc plate 36 is fixed to the support frame 33. Figure 5 and Figure 6 As shown, the central axes of the arc plate 36 and the support frame 33 are in the same horizontal plane, and the central axes of the two are staggered. In this way, as the arc plate 36 rotates with the support frame 33, as the contact position between the outer wall of the arc plate 36 and the pressure plate 53 changes, the arc plate 36 can push the connecting pin 51 downward through the pressure plate 53.

[0046] When the locking member 5 is in the limited position, Figure 5As shown, the spring 52 is in a natural state. At this time, most of the isosceles trapezoidal portion of the lower end of the plug pin 51 extends into the plug hole 11. In this state, when the support base 31 is pulled by the positioning plate 61, the inclined surface of the lower part of the plug pin 51 contacts the end of the plug hole 11. The obstruction of the plug hole 11 will cause the plug pin 51 to move upward, thereby automatically changing from a restricted state to an unlocked state. When the support base 31 is subjected to a small force, the plug pin 51 cannot be driven to move upward to release the restriction on the support base 31. When the locking member 5 is in the locked state, Figure 6 As shown, the spring 52 is in a compressed state. At this time, the isosceles trapezoidal portion of the lower end of the connecting pin 51 is completely inserted into the connecting hole 11. In this state, the support seat 31 cannot slide even when subjected to force, thereby ensuring that the support seat 31 can stably support the workpiece.

[0047] In this embodiment, by installing an arc plate 36 on the support frame 33, and dividing the locking of the support seat 31 by the plug pin 51 into two states, when the support frame 33 is rotated by the squeeze of the workpiece, the insertion depth of the plug pin 51 in the plug hole 11 can be adjusted by the arc plate 36, thereby switching the locking state from the limited state to the locked state, that is, only when a workpiece is placed on the support clamp, the support seat 31 will be switched to the locked state, thereby avoiding the tedious operation of manually unlocking the support seat 31 when adjusting its position.

[0048] Furthermore, a sensor is provided on the plug pin 51 (the sensor is provided between the spring 52 and the plug pin 51). Optionally, the sensor is a pressure sensor. When the end of the plug pin 51 continues to extend into the plug hole 11 on the workbench 1 from the position in the limit state, the spring 52 will change from a natural state to a compressed state, thereby causing the reading of the pressure sensor to change. The pressure sensor feeds back the measurement data to the control system of the cleaning device, and the control system controls the cylinder 62 to contract, so that the cylinder 62 pulls its corresponding positioning plate 61 away from the workpiece, so that the positioning plate 61 is reset, thereby preventing the positioning plate 61 from being damaged by laser irradiation.

[0049] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.

Claims

1. An automated laser cleaning device, comprising a workbench, on which a laser cleaning head is mounted, characterized in that: A rotating support assembly is symmetrically arranged on the workbench, which supports the cylindrical workpiece and keeps the workpiece in a horizontal state. The laser cleaning head is driven to move horizontally along the axial direction of the workpiece, and the rotating support assembly drives the workpiece to rotate intermittently so that the side walls of the workpiece are fully cleaned. The rotating support assembly includes support seats symmetrically installed on the workbench, and support stations are formed between the support seats. Several groups of support seats are arranged along the length direction of the workbench, and each support seat is rotatably installed with a support roller. The support rollers are horizontally arranged along the length direction of the workbench. Each support seat is slidably installed on the workbench, and each support seat slides along the width direction of the workbench. A locking member is also provided on each support seat, which is used to lock its corresponding support seat on the workbench. The locking member includes a plug pin slidably installed on the support seat, and a plug hole for matching the plug pin is provided on the workbench.

2. The automated laser cleaning device according to claim 1, characterized in that: A support frame is movably mounted on the support seat, and a support roller is rotatably mounted on the support frame. A buffer component for buffering the support frame is also mounted on the support seat.

3. The automated laser cleaning device according to claim 2, characterized in that: The buffer assembly is a hydraulic buffer rod installed on the support seat, and one end of the hydraulic buffer rod away from the support seat is connected to the support frame.

4. The automated laser cleaning device according to claim 2, characterized in that: The support frame is V-shaped and is rotatably installed on the support seat. Two sets of support rollers are rotatably installed on each support frame. The two support rollers are arranged in parallel and along the length direction of the workbench. The two ends of the hydraulic buffer rod are rotatably connected to the support seat and the workbench respectively.

5. The automated laser cleaning device according to claim 1, characterized in that: The workbench is provided with a positioning assembly for adjusting the position of the workpiece so that the workpiece can be hoisted to the position just above the supporting station.

6. The automated laser cleaning device according to claim 5, characterized in that: The positioning assembly includes two sets of parallel and vertically arranged positioning plates, which are located on both sides of the supporting station and are driven to move toward each other to calibrate the position of the workpiece.

7. The automated laser cleaning device according to claim 6, characterized in that: Two adjacent support seats on the workbench at the same side of the support station are connected by a connecting rod, and the connecting rod corresponding to the positioning plate is detachably connected to the positioning plate.

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