CN117102162B - Laser cleaning device and method for special-shaped guide pipe of engine - Google Patents
Laser cleaning device and method for special-shaped guide pipe of engine Download PDFInfo
- Publication number
- CN117102162B CN117102162B CN202311384386.6A CN202311384386A CN117102162B CN 117102162 B CN117102162 B CN 117102162B CN 202311384386 A CN202311384386 A CN 202311384386A CN 117102162 B CN117102162 B CN 117102162B
- Authority
- CN
- China
- Prior art keywords
- cleaning
- laser
- rotary platform
- positioning
- pipe fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 239000000428 dust Substances 0.000 claims description 37
- 239000013307 optical fiber Substances 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 206010066054 Dysmorphism Diseases 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a laser cleaning device and a method for an engine special-shaped catheter, comprising a main machine frame, a main machine control assembly, a laser cleaning machine assembly, a rotary cleaning mechanism and a supporting flexible lifting clamping mechanism; the rotary platform mounting plate of the rotary cleaning mechanism is connected to the host frame through the left side plate and the right side plate, the rotary platform is mounted on the rotary platform mounting plate, the rotary platform is connected with the radial adjustment module, the movable end of the rotary platform is connected with the large-aperture precise rotary platform, and the cleaning head is mounted on the large-aperture precise rotary platform through the cleaning head tail end connecting piece; the supporting flexible lifting clamping mechanism comprises a Y-direction moving bracket driven by a Y-direction servo motor, the back of the bracket is slidably connected with a jacking supporting frame, and the top surface of the jacking supporting frame is slidably provided with two clamping jaws. According to the invention, the supporting flexible lifting clamping mechanism is used for clamping the pipe fitting and matching with the laser cleaning mechanism to quickly position the laser to automatically focus and match with the adjustment of the angle, so that the cleaning of the inner diameter and the outer diameter of the pipe fitting is completed, the positioning is accurate, and the cleaning effect is good.
Description
Technical Field
The invention relates to the technical field of laser cleaning before or after welding of special-shaped ducts (such as stainless steel and titanium alloy) of large jet engines (such as rockets or aeroengines), in particular to a device and a method for cleaning the special-shaped ducts of the engines.
Background
The existing technology of the surface treatment before or after the metal welding comprises two kinds of chemical cleaning and mechanical cleaning, and aims to remove an oxide film, a rust layer and oil stains on the surface of a welding piece and prevent air holes and slag inclusion. Chemical cleaning is not suitable for local cleaning and is easy to cause environmental pollution.
Mechanical grinding or sand blasting polishing is applicable to thick-walled and large-caliber catheters with a diameter of more than 100mm, but is applicable to catheters with a wall thickness of 2mm or less, a diameter phi 8-phi 78mm and a roughness after cleaning: the cleaning length precision of the outer diameter of the catheter is less than or equal to 1.6 mu m: the cleaning length precision of the inner diameter of the catheter with the diameter of +/-0.2 mm is +/-0.3 mm; the thinning amount of the laser cleaning part is not more than 0.01mm. The inner and outer surfaces of the pipe ends of the guide pipes are required to be cleaned, the width of the outer surface is more than or equal to 5 mm, the width of the inner surface is more than or equal to 3mm, the inner diameter, the outer diameter and the ports of the pipes are cleaned, mechanical polishing is difficult to achieve from the aspects of positioning accuracy, thinning amount and stability, the shapes of the guide pipes on an engine are various, the joint structure of a pipeline assembly is complex, the requirement on the welding process is higher, and once the welding defects are even accidents are caused due to the fact that the cleaning is not in place before welding.
The novel treatment method at present can clean oxide films and greasy dirt on the surface and can clean the surface in an environment-friendly way, and metal materials are not damaged. But the manual handheld laser cleaning equipment is unstable in the cleaning process, the thinning amount and the positioning accuracy cannot be controlled, and meanwhile, yellow marks are easily formed on the surface of the pipe fitting to influence the cleaning quality, so that the existing requirements cannot be met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a laser cleaning device and a laser cleaning method for an engine special-shaped catheter, which are provided with a rapid positioning machine and a clamping mechanical device (without generating damage such as indentation) to assist a titanium alloy or stainless steel catheter to rapidly position a laser automatic focusing position, and complete cleaning of an inner hole and an outer wall by adjusting an angle through + -45 DEG rotation of a laser cleaning tail end. The device is convenient to operate, higher in efficiency in the use process, lower in cost, more convenient to load and clamp and more environment-friendly to clean.
The invention is realized by the following technical scheme:
the laser cleaning device for the special-shaped guide pipe of the engine comprises a host frame, a host control assembly and a laser cleaning machine assembly, wherein the host control assembly and the laser cleaning machine assembly are arranged on the host frame, and the laser cleaning device also comprises a rotary cleaning mechanism and at least one supporting flexible lifting clamping mechanism, wherein the rotary cleaning mechanism and the at least one supporting flexible lifting clamping mechanism are arranged on the host frame and controlled to operate by the host control assembly;
the rotary cleaning mechanism comprises a rotary platform mounting plate which is vertically arranged, the rotary platform mounting plate is connected to the host frame through a left side plate and a right side plate, a rotary platform which is driven to rotate by a rotary servo motor and is provided with a through channel at the center is arranged on the rotary platform mounting plate, a radial adjustment module is connected to the rotary platform through a radial adjustment module mounting plate, a movable end of the radial adjustment module is connected with a large-aperture precise rotary platform through a module rotary connecting plate, and a cleaning head of the laser cleaning machine assembly is arranged on the large-aperture precise rotary platform through a cleaning head tail end connecting piece;
the supporting flexible lifting clamping mechanism comprises a Y-direction moving bracket which is driven by a Y-direction servo motor to move along the Y-axis direction, the back surface of the Y-direction moving bracket is slidably connected with a lifting support frame which can be driven by a Z-direction servo motor to move along the Z-axis direction in cooperation with a screw nut mechanism, and the top surface of the lifting support frame is slidably provided with two clamping jaws which are driven by a clamping cylinder and can move towards or away from the X-axis direction to clamp or loosen a pipe.
Further, two Y-direction linear guide rails which are arranged in parallel and Y-direction racks which are arranged between the two Y-direction linear guide rail and are parallel to each other are arranged on the host frame along the Y-axis direction, two sliding blocks which are in sliding connection with the Y-direction linear guide rails are connected to the bottom of the Y-direction moving support, a Y-direction servo motor is further arranged at the bottom of the Y-direction moving support, and a Y gear meshed with the Y-direction racks is arranged on the driving shaft of the Y-direction servo motor.
The Y-direction moving support is arranged on a Y-direction linear guide rail on the host frame in a sliding way through a bottom sliding block, and is meshed with the Y-direction rack through a Y gear on a Y-direction servo motor driving shaft so as to control the Y-direction moving support to move in the Y-axis direction.
Further, the back of Y to moving the support is provided with two parallel arrangement's Z to linear guide along Z axle direction, be provided with on the jacking support frame with Z to linear guide sliding fit's two sliders, screw nut mechanism's lead screw parallel arrangement is between two Z to linear guide, the both ends of lead screw are installed at the back of Y to moving the support through supporting the rotation around, and the one end of lead screw is connected with Z servo motor's drive shaft through synchronizing wheel and hold-in range, screw nut mechanism's nut is connected with the jacking support frame.
The jacking support frame is movably arranged on the Z-direction linear guide rail through the sliding block, the nut of the screw nut mechanism is arranged on the jacking support frame, and the jacking support frame can be driven to move in the Z-axis direction by taking the screw nut mechanism as power.
Further, the top surface of jacking support frame is provided with two X along X axial direction parallel arrangement to linear guide, the bottom of two clamping jaws corresponds respectively to be connected with X to linear guide sliding fit's slider, every slider all is connected with and is located two X to the clamping rack between the linear guide, the rack face of two clamping racks just right setting up and the top surface of jacking support frame is through the vertical scroll change to install the centering gear that all meshes with two clamping racks between two clamping rack middle parts, the piston rod of pressing from both sides tight cylinder is connected with the slider of one of them clamping jaw through right angle turning arm, the top surface of jacking support frame is provided with the cushion that is used for supporting the pipe fitting in the centre of two clamping racks.
The top surface of the jacking support frame is provided with clamping jaws which are in sliding connection with the X-direction linear guide rail and the sliding block, a piston rod of the clamping cylinder pushes and pulls the right-angle crank arm to drive one clamping jaw to slide, and the clamping racks are matched with the centering gear, so that the two clamping jaws can synchronously move and centering and clamping the special-shaped pipe fitting on the cushion block.
Further, a pressure control assembly controlled by a host control assembly is arranged on an air supply pipeline of the clamping cylinder, and the pressure control assembly comprises an electric proportional valve, a pressure gauge and an electromagnetic directional valve which are sequentially arranged on the air inlet pipe along the air inlet direction of the air inlet pipe.
The pressure control assembly is arranged on the air supply pipeline of the clamping cylinder, and the air inlet is matched with the electric proportional valve and the electromagnetic directional valve, so that the action and the clamping force of the clamping cylinder can be adjusted, and the pipe fitting is ensured to be stably clamped.
The laser cleaning machine assembly comprises a laser, a control system, an optical fiber cable and a cleaning head, wherein the laser is placed inside a host frame and is connected with the cleaning head through the optical fiber cable, and a fixing block for fixing the optical fiber cable is arranged at the top of the rotating platform.
The laser cleaning assembly is used for generating laser through the laser and transmitting the laser to the cleaning head to clean the pipe fitting through the optical fiber cable, and the optical fiber cable is provided with a fixed point on the rotary platform through the fixed block and is used for preventing the optical fiber cable from entanglement, knotting and the like when the rotary platform rotates in 360 degrees in a reciprocating manner.
Further, the automatic cleaning device further comprises a quick positioning mechanism which is fixed on the rotary cleaning mechanism and controlled by the host control assembly, the quick positioning mechanism comprises a fixed support-1 and a fixed support-2 which are respectively fixed on the left side plate and the right side plate, and a servo electric cylinder positioning plate which is connected with the two fixed supports, a servo electric cylinder is vertically arranged on the servo electric cylinder positioning plate, a piston rod of the servo electric cylinder is connected with a hollow positioning shaft, the other end of the positioning shaft passes through the rotary platform through a through channel and is communicated with a positioning dust collection block above the cleaning head through a locking connecting piece, a positioning dust collection cavity communicated with an inner cavity of the positioning shaft is formed in the positioning dust collection block, and a dust collection opening is formed in one face opposite to the pipe fitting.
The quick positioning mechanism can be used for initially positioning the special-shaped pipe fitting, the positioning shaft and the positioning dust collection block at the end part are pushed by the piston rod of the servo electric cylinder to be inserted with the end part of the pipe fitting so as to realize positioning, and meanwhile, the dust generated by cleaning is adsorbed by the positioning dust collection cavity of the positioning dust collection block matched with the dust collection port so as to reduce the air pollution of a workshop.
Further, a branch pipe communicated with the inner cavity of the positioning shaft is formed on the side surface of one end, close to the servo electric cylinder, of the positioning shaft, the branch pipe is connected with a dust removing system, and an anti-rotation fixing plate for clamping the branch pipe is arranged on one surface, opposite to the rotating platform, of the rotating platform mounting plate so as to prevent the positioning shaft from rotating.
The branch pipe that sets up on the location axle communicates with the cavity of location axle, and accessible leg joint dust pelletizing system adopts the absorptive mode of negative pressure to adsorb the smoke and dust that washs the production, utilizes the rotation preventing fixed plate at the rotary platform mounting panel back to carry out the screens to the position of branch pipe simultaneously, prevents that it from taking place to rotate to guarantee the stability of quick positioning mechanism work.
Further, the rear of the host frame is provided with a baffle, the front is provided with a safety protection grating, and the host control assembly is arranged in front of the host frame and comprises a man-machine interface, a host, a safety control loop and an alarm indicator lamp.
The host frame is provided with the baffle and the safety protection grating, plays a protective role, is provided with the human-computer interface for operation, is convenient for inputting control instructions, and is electrically connected with each device through the safety control loop to perform signal transmission operation, so that each device can cooperatively work, and the alarm warning lamp can send out audible and visual alarm sounds to remind workers to process in time when dangerous situations occur.
A cleaning method of an engine special-shaped catheter laser cleaning device comprises the following steps:
s1, a positioning dust collection block of a quick positioning mechanism is driven by a servo electric cylinder to extend out to reach a parameter appointed position, a pipe orifice to be cleaned of a special-shaped pipe fitting is manually inserted into a dust collection opening, the end face of the positioning dust collection block is aligned with the pipe orifice of the special-shaped pipe fitting, and the position of a flexible lifting clamping device is adjusted to contact the pipe fitting through a clamping jaw and clamp the pipe fitting;
s2, after the positioning and clamping actions are completed, an operator inputs the specification and the model and the parameters of the pipe fitting into a man-machine interface and clicks a storage button;
s3, driving a positioning shaft by a servo electric cylinder to drive a positioning dust collection block to reversely withdraw and separate from the pipe orifice of the special-shaped pipe fitting, and adjusting a radial linear module to enable a focus of the laser cleaning head to be on the pipe wall of the pipe fitting to be cleaned, and clicking and storing;
s4, setting parameters: the laser adopts a 300W Gaussian laser, the actual use power is 65W-70W, the line width is 2mm, the focal length is 160mm, the scanning frequency is 165Hz, the scanning speed is 10000mm/s, and the rotating speed of the cleaning head is 0.02m/s;
s5, cleaning the outer diameter: the laser cleaning head is driven by the rotating platform to rotate clockwise for 360 degrees at the speed of 0.02m/s, the outer diameter of the special-shaped pipe fitting is cleaned, the cleaning width of the outer surface is more than or equal to 5 mm, and the length precision is +/-0.2 mm;
s6, cleaning the inner diameter: after the outer diameter is cleaned, the large-aperture precise rotary platform automatically adjusts the angle of the cleaning head and the line width scanned by a laser according to the diameter of the pipe orifice, and simultaneously supports the flexible lifting clamping mechanism to retreat, the cleaning head automatically adjusts the angle of the cleaning head according to a set focal length under the drive of the large-aperture precise rotary platform to clean the inner diameter surface by using laser, the rotary platform drives the whole body to rotate anticlockwise for 360 degrees to clean the inner diameter of the special-shaped pipe fitting, the cleaning width of the inner surface is more than or equal to 3mm, and the cleaning length precision of the inner diameter of the guide pipe is +/-0.3 mm;
and S7, after the cleaning is finished, the cleaning head rotates clockwise for 360 degrees at the rotary platform to return to the position, and an operator takes out the cleaned special-shaped pipe fitting.
The invention has the beneficial effects that:
the invention is provided with the quick positioning mechanism and the supporting flexible lifting clamping mechanism, can position and clamp the special-shaped pipe fitting before cleaning, does not generate damage such as indentation and the like, ensures the stability during automatic cleaning, can quickly position the laser automatic focusing position by the rotary cleaning mechanism, and can complete the cleaning of the inner hole and the outer wall by adjusting the angle through the laser cleaning rotation.
The invention has the advantages of compact integral structure, convenient cleaning operation, higher efficiency in the use process, lower cost, more convenient loading and clamping and more environment-friendly cleaning. An air blowing device can be arranged above the cleaning head to protect the lenses from being polluted, so that the service life is prolonged, and the cost is reduced; effectively prevent welding defect and even accident occurrence caused by insufficient cleaning before welding.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a perspective view of fig. 1.
FIG. 4 is a schematic diagram of the internal structure of the mainframe in the present invention.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Fig. 6 is an exploded view of fig. 5.
Fig. 7 is an enlarged schematic view at B in fig. 4.
Fig. 8 is a schematic structural view of a supporting flexible lifting clamping mechanism in the present invention.
Fig. 9 is a schematic structural view of the quick positioning mechanism in the present invention.
Fig. 10 is an exploded view of fig. 9.
FIG. 11 is a schematic diagram of a pressure control assembly according to the present invention.
Fig. 12 is a schematic diagram showing the positioning and clamping of the special-shaped pipe fitting by the cooperation of the quick positioning mechanism and the supporting flexible lifting clamping mechanism.
The figure shows:
1. the laser cleaning machine comprises a laser cleaning machine component 2, a host control component 3, a quick positioning mechanism 4, a rotary cleaning mechanism 5, a host frame 6, a front support flexible lifting clamping mechanism 7, a rear support flexible lifting clamping mechanism 8, a protection grating 9, a dust removal system 10, a pressure control component 11 and a special-shaped pipe fitting;
101. the device comprises a laser 102, a control system 103, an optical fiber cable 104 and a cleaning head;
201. the system comprises a human-computer interface 202, a host computer 203, a safety control loop 204 and an alarm indicator lamp;
301. the device comprises fixing brackets-1 and 302, fixing brackets-2 and 303, anti-rotation fixing plates 304, servo electric cylinder positioning plates 305, positioning shafts 306, branch pipes 307, servo electric cylinders 308 and positioning dust collection blocks;
401. a rotary platform, 402, left and right side plates, 403, a rotary platform mounting plate, 404, a rotary mechanism mounting bottom plate, 405, a rotary servo motor, 406, a radial adjustment module, 407, a radial adjustment module mounting plate, 408, a module rotary connecting plate, 409, a large-aperture precise rotary platform, 410, a cleaning head end connecting piece, 411 and a fixed block;
501. a horizontal adjustment support leg 502, an LED illuminating lamp 503 and an organ cover;
601. the device comprises a Y-direction linear guide rail, 602, a Y-direction rack, 603, a Y-direction movable bracket, 604, a Y-direction servo motor, 605, a Y-direction drag chain, 606, a Z-direction linear guide rail, 607, a Z-direction ball screw, 608, a Z-direction servo motor, 610, a jacking mounting plate, 611, a jacking support frame, 612, an X-direction linear guide rail, 613, a left clamping jaw, 614, a right clamping jaw, 615, a clamping rack, 616, a cushion block, 617, a clamping cylinder, 618 and a right angle crank arm;
1001. electric proportional valve 1002, manometer, 1003, electromagnetic reversing valve.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
The utility model provides an engine dysmorphism pipe laser belt cleaning device, includes host computer frame 5 and sets up host computer control assembly 2 and laser cleaner subassembly 1 on host computer frame 5, is provided with LED light 502 in the host computer frame 5, and the bottom is provided with the level adjustment stabilizer blade 501 that is used for adjusting the level, still includes setting up on host computer frame 5 and by the rotatory wiper mechanism 4 and at least one support flexible lift clamping mechanism of host computer control assembly 2 control operation. In the invention, two front and rear support flexible lifting clamping mechanisms 6 and 7 are respectively arranged on the main frame 5.
The rotary cleaning mechanism 4 comprises a rotary platform mounting plate 403 which is vertically arranged, the rotary platform mounting plate 403 is connected to the host frame 5 through a left side plate 402 and a right side plate 402 and a rotary mechanism mounting bottom plate 404, a rotary platform 401 which is driven to rotate through a rotary servo motor 405 and is provided with a through channel in the center is arranged on the rotary platform mounting plate 403, a radial adjustment module 406 is connected to the rotary platform 401 through a radial adjustment module mounting plate 407, a large-aperture precision rotary platform 409 is connected to the movable end of the radial adjustment module 406 through a module rotary connecting plate 408, and a cleaning head 104 of the laser cleaning machine assembly 1 is arranged on the large-aperture precision rotary platform 409 through a cleaning head tail end connecting piece 410. The large-aperture precise rotary platform 409 has a rotary function, and can drive the cleaning head 104 to swing in the Y-axis plane, the rotation angle range is adjustable, generally 14-40 degrees, and the cleaning head 104 can conveniently clean the inner diameter of the end part of the special-shaped pipe fitting 11.
The supporting flexible lifting clamping mechanism comprises a Y-direction moving bracket 603 which is driven by a Y-direction servo motor 604 to move along the Y-axis direction, two Y-direction linear guide rails 601 which are arranged in parallel and a Y-direction rack 602 which is arranged between the two Y-direction linear guide rail 601 guide rails and is mutually parallel are arranged on the host frame 5, two sliding blocks which are in sliding connection with the Y-direction linear guide rails 601 are connected to the bottom of the Y-direction moving bracket 603, a Y-direction servo motor is further arranged at the bottom of the Y-direction moving bracket 603, and a Y gear which is meshed with the Y-direction rack 602 is arranged on a driving shaft of the Y-direction servo motor. The cable of the Y-direction servo motor 604 is arranged on one side of the Y-direction linear guide rail 601 through a Y-direction drag chain 605, so that the disorder of the cable is prevented. The main frame 5 is provided with an organ cover 503 at the rear ends of the two Y-direction linear guide rails 601, which is used for preventing dust and impurities from falling into the device, and ensuring the stability of the device.
The back of the Y-direction moving bracket 603 is slidably connected with a jacking supporting frame 611 which can be driven by a Z-direction servo motor 608 in cooperation with a screw nut mechanism to move along the Z-axis direction, and the top surface of the jacking supporting frame 611 is slidably provided with two clamping jaws which are driven by a clamping cylinder 617 and can move in opposite directions or back to the X-axis direction to clamp or loosen a pipe, namely a left clamping jaw 613 and a right clamping jaw 614. In order to protect the pipe, a flexible buffer pad is arranged on the clamping surface of each clamping jaw.
The back of the Y-direction moving support 603 is provided with two parallel Z-direction linear guide rails along the Z-axis direction, the jacking support frame 611 is provided with two sliding blocks which are in sliding fit with the Z-direction linear guide rails through the jacking mounting plate 610, a screw rod of the screw rod nut mechanism is arranged between the two Z-direction linear guide rails in parallel, two ends of the screw rod are rotatably mounted on the back of the Y-direction moving support 603 through front and rear supports, one end of the screw rod is connected with a driving shaft of the Z-direction servo motor through a synchronous wheel and a synchronous belt, and a nut of the screw rod nut mechanism is connected with the jacking support frame 611. In the present invention, the screw of the screw nut mechanism is a Z-direction ball screw 607.
The top surface of the jacking support 611 is provided with two X-direction linear guide rails 612 in parallel along the X-axis direction, the bottoms of the two clamping jaws are respectively and correspondingly connected with a sliding block which is in sliding fit with the X-direction linear guide rails 612, each sliding block is connected with a clamping rack 615 which is positioned between the two X-direction linear guide rails 612, the rack surfaces of the two clamping racks 615 are opposite to each other, the top surface of the jacking support 611 is rotated to be provided with a centering gear which is meshed with the two clamping racks 615 through a vertical shaft between the middle parts of the two clamping racks 615, a piston rod of a clamping cylinder 617 is connected with the sliding block of one clamping jaw through a right-angle crank arm 618, the top surface of the jacking support 611 is provided with a cushion block 616 which is used for supporting a pipe fitting in the middle of the two clamping racks 615, and the cushion block 616 is concavely provided with an arc groove which is matched with the shape of the pipe fitting.
A pressure control assembly 10 controlled by the main control assembly 2 is installed on the air supply line of the clamping cylinder 617, and the pressure control assembly 10 includes an electric proportional valve 1001, a pressure gauge 1002 and an electromagnetic directional valve 1003 sequentially provided on the air intake pipe in the air intake direction of the air intake pipe.
The laser cleaner assembly 1 comprises a laser 101, a control system 102, an optical fiber cable 103 and a cleaning head 104, wherein the laser 101 is placed inside a host frame 5, the laser 101 is connected with the cleaning head 104 through the optical fiber cable 103, and a fixing block 411 for fixing the optical fiber cable 103 is arranged on the top of a rotating platform 401.
The quick positioning mechanism 3 is fixed on the rotary cleaning mechanism 4 and controlled by the host control component 2, the quick positioning mechanism 3 comprises a fixed support-1 and a fixed support-2 which are respectively fixed on a left side plate 402 and a right side plate 402, and a servo electric cylinder positioning plate 304 connected with the two fixed supports, a servo electric cylinder 307 is vertically arranged on the servo electric cylinder positioning plate 304, a piston rod of the servo electric cylinder 307 is connected with a hollow positioning shaft 305, the other end of the positioning shaft 305 passes through the rotary platform 401 through a through channel and is communicated with a positioning dust collection block 308 above the cleaning head 104 through a locking connecting piece, a positioning dust collection cavity communicated with an inner cavity of the positioning shaft 305 is formed in the positioning dust collection block 308, and a dust collection opening is formed in one surface opposite to a pipe fitting.
The side surface of one end of the positioning shaft 305, which is close to the servo electric cylinder 307, is provided with a branch pipe communicated with the inner cavity of the positioning shaft 305, the branch pipe is connected with the dust removing system 9, and one surface of the rotating platform mounting plate 403, which is back to the rotating platform 401, is provided with an anti-rotation fixing plate 303 which clamps the branch pipe therein to prevent the positioning shaft from rotating.
The back of the host frame 5 is provided with a baffle plate, the front is provided with a safety protection grating 8, and the host control assembly 2 is arranged in front of the host frame 5 and comprises a human-computer interface 201, a host 202, a safety control loop 203 and an alarm indicator lamp 204.
A cleaning method of an engine special-shaped catheter laser cleaning device comprises the following steps:
s1, a positioning dust collection block 308 of the quick positioning mechanism 3 is driven to extend to reach a parameter designated position through a servo electric cylinder 307, a pipe orifice to be cleaned of the special-shaped pipe fitting 11 is manually inserted into a dust collection opening, the end face of the positioning dust collection block 308 is aligned with the pipe orifice of the special-shaped pipe fitting 11, and the position of a flexible lifting clamping device is adjusted to contact the pipe fitting through a clamping jaw and clamp the pipe fitting.
S2, after the positioning and clamping actions are completed, the operator inputs the specification and the model and the parameters of the pipe fitting into a man-machine interface and clicks a storage button.
S3, the servo cylinder 307 drives the positioning shaft 305 to drive the positioning dust collection block 308 to reversely withdraw and separate from the pipe orifice of the special-shaped pipe fitting 11, and the radial adjustment module 406 is adjusted to enable the focus of the laser cleaning head 104 to be on the pipe wall of the pipe fitting to be cleaned, and clicking and storing are carried out.
S4, setting parameters: the laser 101 adopts a 300W Gaussian laser, and the actual power is 65W-70W, the line width is 2mm, the focal length is 160mm, the scanning frequency is 165Hz, the scanning speed is 10000mm/s, and the rotating speed of the cleaning head 104 is 0.02m/s.
S5, cleaning the outer diameter: the module rotary connection plate 408 connected with the radial adjustment module 406 of the cleaning head 104 of the laser is provided with a laser automatic distance measuring device capable of automatically identifying the diameter of the special-shaped pipe fitting and adjusting the focal length, the cleaning head 104 is driven by the rotary platform 401 to rotate clockwise for 360 degrees according to the speed of 0.02m/s to clean the outer diameter of the special-shaped pipe fitting, the cleaning width of the outer surface is more than or equal to 5 mm, and the length precision is +/-0.2 mm.
S6, cleaning the inner diameter: after the outer diameter is cleaned, the large-aperture precise rotary platform 409 automatically adjusts the angle of the cleaning head and the line width scanned by the laser 101 according to the diameter of the pipe orifice, and simultaneously supports the flexible lifting clamping mechanism to retreat, the cleaning head 104 automatically adjusts the angle of the cleaning head 104 according to the set focal length under the drive of the large-aperture precise rotary platform 409 to clean the inner diameter surface by using laser, the rotary platform 401 drives the whole body to rotate anticlockwise for 360 degrees to clean the inner diameter of the special-shaped pipe fitting, the cleaning width of the inner surface is more than or equal to 3mm, and the cleaning length precision of the inner diameter of the guide pipe is +/-0.3 mm;
and S7, after the cleaning is finished, the cleaning head 104 rotates clockwise for 360 degrees to return to the original position on the rotary platform 401, and an operator takes out the cleaned special-shaped pipe fitting.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (9)
1. The utility model provides an engine dysmorphism pipe laser belt cleaning device, includes host computer frame and host computer control assembly and the laser cleaning machine subassembly of setting on host computer frame, its characterized in that: the device also comprises a rotary cleaning mechanism and at least one supporting flexible lifting clamping mechanism, wherein the rotary cleaning mechanism and the at least one supporting flexible lifting clamping mechanism are arranged on the host frame and controlled to operate by the host control assembly;
the rotary cleaning mechanism comprises a rotary platform mounting plate which is vertically arranged, the rotary platform mounting plate is connected to the host frame through a left side plate and a right side plate, a rotary platform which is driven to rotate by a rotary servo motor and is provided with a through channel at the center is arranged on the rotary platform mounting plate, a radial adjustment module is connected to the rotary platform through a radial adjustment module mounting plate, a movable end of the radial adjustment module is connected with a large-aperture precise rotary platform through a module rotary connecting plate, and a cleaning head of the laser cleaning machine assembly is arranged on the large-aperture precise rotary platform through a cleaning head tail end connecting piece; the laser automatic distance measuring device capable of automatically identifying the diameter of the special-shaped pipe fitting and adjusting the focal length is arranged on the module rotating connecting plate connected with the radial adjusting module of the cleaning head, the rotating cleaning mechanism can rapidly position the laser automatic focusing position, and the cleaning of the inner hole and the outer wall of the laser cleaning is completed by adjusting the angle through the laser cleaning rotation;
the supporting flexible lifting clamping mechanism comprises a Y-direction moving bracket which is driven by a Y-direction servo motor to move along the Y-axis direction, wherein the back surface of the Y-direction moving bracket is in sliding connection with a lifting support frame which can be driven by a Z-direction servo motor to move along the Z-axis direction in cooperation with a screw nut mechanism, and the top surface of the lifting support frame is provided with two clamping jaws which are driven by a clamping cylinder and can move towards or away from the X-axis direction to clamp or loosen a pipe in a sliding manner;
the device also comprises a quick positioning mechanism which is fixed on the rotary cleaning mechanism and is controlled by the host control component, the quick positioning mechanism comprises a fixed bracket-1 and a fixed bracket-2 which are respectively fixed on the left side plate and the right side plate, and a servo electric cylinder positioning plate which is connected with the two fixed brackets, a servo electric cylinder is vertically arranged on the servo electric cylinder positioning plate, the piston rod of the servo electric cylinder is connected with a hollow positioning shaft, the other end of the positioning shaft passes through the rotary platform through a through channel and is communicated with a positioning dust collection block above the cleaning head through a locking connecting piece, a positioning dust collection cavity communicated with the inner cavity of the positioning shaft is formed in the positioning dust collection block, and a dust collection opening is formed in one surface opposite to the pipe fitting.
2. The engine profiled conduit laser cleaning device of claim 1, wherein: two Y-direction linear guide rails which are arranged in parallel and Y-direction racks which are arranged between the two Y-direction linear guide rails and are parallel to each other are arranged on the host frame along the Y-axis direction, two sliding blocks which are in sliding connection with the Y-direction linear guide rails are connected to the bottom of the Y-direction moving support, a Y-direction servo motor is further arranged at the bottom of the Y-direction moving support, and a Y gear which is meshed with the Y-direction racks is arranged on a driving shaft of the Y-direction servo motor.
3. The engine profiled conduit laser cleaning device of claim 1, wherein: the back of Y to moving the support is provided with two parallel arrangement's Z to linear guide along Z axle direction, be provided with on the jacking support frame with Z to linear guide sliding fit's two sliders, screw nut mechanism's lead screw parallel arrangement is between two Z to linear guide, the back at Y to moving the support is installed through back-and-forth support rotation to the both ends of lead screw, and the one end of lead screw is connected with the drive shaft of Z servo motor through synchronizing wheel and hold-in range, screw nut mechanism's nut is connected with the jacking support frame.
4. The engine profiled conduit laser cleaning device of claim 1, wherein: the top surface of jacking support frame is along X axis direction parallel arrangement has two X to linear guide, the bottom of two clamping jaws corresponds respectively to be connected with X to linear guide sliding fit's slider, every slider all is connected with and is located two X to one clamp rack between the linear guide, the rack face of two clamp racks just sets up and the top surface of jacking support frame changes through the vertical scroll between two clamp racks middle part and installs the centering gear with two clamp racks all meshing, clamp cylinder's piston rod is connected with the slider of one of them clamping jaw through right angle turning arm, the top surface of jacking support frame is provided with the cushion that is used for supporting the pipe fitting in the centre of two clamp racks.
5. The engine profiled conduit laser cleaning device of claim 4, wherein: the air supply pipeline of the clamping cylinder is provided with a pressure control assembly controlled by a host control assembly, and the pressure control assembly comprises an electric proportional valve, a pressure gauge and an electromagnetic directional valve which are sequentially arranged on the air inlet pipe along the air inlet direction of the air inlet pipe.
6. The engine profiled conduit laser cleaning device of claim 1, wherein: the laser cleaning machine assembly comprises a laser, a control system, an optical fiber cable and a cleaning head, wherein the laser is placed inside a host frame and is connected with the cleaning head through the optical fiber cable, and a fixing block for fixing the optical fiber cable is arranged at the top of the rotating platform.
7. The engine profiled conduit laser cleaning device of claim 1, wherein: the side of one end of the positioning shaft, which is close to the servo electric cylinder, is provided with a branch pipe communicated with the inner cavity of the positioning shaft, the branch pipe is connected with a dust removal system, and one surface of the rotating platform mounting plate, which is opposite to the rotating platform, is provided with an anti-rotation fixing plate for clamping the branch pipe therein so as to prevent the positioning shaft from rotating.
8. The engine profiled conduit laser cleaning device of claim 1, wherein: the back of host computer frame is provided with the baffle, and the place ahead is provided with safety protection grating, and host computer control assembly sets up in host computer frame the place ahead, and it includes man-machine interface, host computer, safety control return circuit and alarm indicator lamp.
9. A cleaning method of an engine profiled conduit laser cleaning device as claimed in any one of claims 1 to 8, characterized by: the method comprises the following steps:
s1, a positioning dust collection block of a quick positioning mechanism is driven by a servo electric cylinder to extend out to reach a parameter appointed position, a pipe orifice to be cleaned of a special-shaped pipe fitting is manually inserted into a dust collection opening, the end face of the positioning dust collection block is aligned with the pipe orifice of the special-shaped pipe fitting, and the position of a flexible lifting clamping device is adjusted to contact the pipe fitting through a clamping jaw and clamp the pipe fitting;
s2, after the positioning and clamping actions are completed, an operator inputs the specification and the model and the parameters of the pipe fitting into a man-machine interface and clicks a storage button;
s3, driving a positioning shaft by a servo electric cylinder to drive a positioning dust collection block to reversely withdraw and separate from the pipe orifice of the special-shaped pipe fitting, and adjusting a radial linear module to enable a focus of the laser cleaning head to be on the pipe wall of the pipe fitting to be cleaned, and clicking and storing;
s4, setting parameters: the laser adopts a 300W Gaussian laser, the actual use power is 65W-70W, the line width is 2mm, the focal length is 160mm, the scanning frequency is 165Hz, the scanning speed is 10000mm/s, and the rotating speed of the cleaning head is 0.02m/s;
s5, cleaning the outer diameter: the laser automatic distance measuring device capable of automatically identifying the diameter of the special-shaped pipe fitting and adjusting the focal length is arranged on a module rotating connecting plate connected with a radial adjusting module of the cleaning head, the cleaning head is driven by a rotating platform to rotate clockwise for 360 degrees according to the speed of 0.02m/s, the outer diameter of the special-shaped pipe fitting is cleaned, the cleaning width of the outer surface is more than or equal to 5 mm, and the length precision is +/-0.2 mm;
s6, cleaning the inner diameter: after the outer diameter is cleaned, the large-aperture precise rotary platform automatically adjusts the angle of the cleaning head and the line width scanned by a laser according to the diameter of the pipe orifice, and simultaneously supports the flexible lifting clamping mechanism to retreat, the cleaning head automatically adjusts the angle of the cleaning head according to a set focal length under the drive of the large-aperture precise rotary platform to clean the inner diameter surface by using laser, the rotary platform drives the whole body to rotate anticlockwise for 360 degrees to clean the inner diameter of the special-shaped pipe fitting, the cleaning width of the inner surface is more than or equal to 3mm, and the cleaning length precision of the inner diameter of the guide pipe is +/-0.3 mm;
and S7, after the cleaning is finished, the cleaning head rotates clockwise for 360 degrees at the rotary platform to return to the position, and an operator takes out the cleaned special-shaped pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384386.6A CN117102162B (en) | 2023-10-25 | 2023-10-25 | Laser cleaning device and method for special-shaped guide pipe of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384386.6A CN117102162B (en) | 2023-10-25 | 2023-10-25 | Laser cleaning device and method for special-shaped guide pipe of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117102162A CN117102162A (en) | 2023-11-24 |
| CN117102162B true CN117102162B (en) | 2024-02-02 |
Family
ID=88798759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311384386.6A Active CN117102162B (en) | 2023-10-25 | 2023-10-25 | Laser cleaning device and method for special-shaped guide pipe of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117102162B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047184A (en) * | 2018-08-21 | 2018-12-21 | 华南理工大学 | A kind of laser cleaning device and method suitable for revolving body inside and outside wall |
| CN111495879A (en) * | 2020-03-31 | 2020-08-07 | 北京航天控制仪器研究所 | Automatic laser cleaning device and method for annular workpiece driven by size parameters |
| CN212597624U (en) * | 2020-08-28 | 2021-02-26 | 格力电器（武汉）有限公司 | Water heater inner bag lower circumferential weld cinder belt cleaning device |
| CN213763235U (en) * | 2020-06-10 | 2021-07-23 | 西安蓝想新材料科技有限公司 | Laser cleaning equipment for cleaning inner and outer walls of aerospace conduit |
| CN216679373U (en) * | 2021-12-10 | 2022-06-07 | 深圳水滴激光科技有限公司 | Laser cleaning equipment |
| KR20230051878A (en) * | 2021-10-12 | 2023-04-19 | 주식회사 아이엠티 | Laser cleaning apparatus for cleaning inner sidewall |
-
2023
- 2023-10-25 CN CN202311384386.6A patent/CN117102162B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047184A (en) * | 2018-08-21 | 2018-12-21 | 华南理工大学 | A kind of laser cleaning device and method suitable for revolving body inside and outside wall |
| CN111495879A (en) * | 2020-03-31 | 2020-08-07 | 北京航天控制仪器研究所 | Automatic laser cleaning device and method for annular workpiece driven by size parameters |
| CN213763235U (en) * | 2020-06-10 | 2021-07-23 | 西安蓝想新材料科技有限公司 | Laser cleaning equipment for cleaning inner and outer walls of aerospace conduit |
| CN212597624U (en) * | 2020-08-28 | 2021-02-26 | 格力电器（武汉）有限公司 | Water heater inner bag lower circumferential weld cinder belt cleaning device |
| KR20230051878A (en) * | 2021-10-12 | 2023-04-19 | 주식회사 아이엠티 | Laser cleaning apparatus for cleaning inner sidewall |
| CN216679373U (en) * | 2021-12-10 | 2022-06-07 | 深圳水滴激光科技有限公司 | Laser cleaning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117102162A (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110976437A (en) | Laser automatic pretreatment equipment for to-be-welded area of aluminum alloy part | |
| CN105880845A (en) | Double-station laser cutting machine for pipe products | |
| CN116237762B (en) | Welding set is used in panel beating processing | |
| CN110712124A (en) | Nine-shaft intelligent control tool grinding machine | |
| CN117102162B (en) | Laser cleaning device and method for special-shaped guide pipe of engine | |
| CN110014249B (en) | Welding method and equipment for connecting flange and metal pipeline | |
| CN218426833U (en) | Distance cutting equipment capable of removing burrs | |
| CN112536506A (en) | Device and method for welding processing aiming at irregular groove welding seam | |
| CN217342652U (en) | Device for cleaning tire segmented mold by laser | |
| CN114310419B (en) | Sixteen-axis numerical control five-axis linkage precise milling and grinding machining center | |
| CN215280028U (en) | Milling machine for closed-angle milling of cambered surface of pendulum part | |
| CN213938445U (en) | Full-automatic repair machine | |
| CN214559679U (en) | Single-bent glass bridge deck profiling process machining device | |
| CN113172309A (en) | Automobile welding device capable of achieving rapid positioning | |
| CN112658729A (en) | Automobile rear axle housing three-face milling method | |
| CN218427622U (en) | Full-automatic inner circle polishing equipment | |
| CN217775787U (en) | Large-scale outer gear chamfer automatic processing equipment | |
| CN212094895U (en) | Laser welding workbench for accurate positioning | |
| CN110722434A (en) | Seven-axis five-linkage intelligent control tool grinding machine | |
| CN113600365B (en) | Equipment and method for protecting and cleaning surface of hollow titanium alloy wing rudder | |
| CN220971205U (en) | Welding equipment convenient to location | |
| CN220330100U (en) | Fixed length cutting device for plastic-coated steel tube | |
| CN212122930U (en) | Shaft type sand blasting equipment | |
| CN220498129U (en) | Laser cutting mechanism for plate processing | |
| CN215658416U (en) | Welding protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |