CN113976408B - Maritime work plate non-absorption layer laser shock spraying coating method and device for improving adhesion rate - Google Patents
Maritime work plate non-absorption layer laser shock spraying coating method and device for improving adhesion rate Download PDFInfo
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- CN113976408B CN113976408B CN202111254661.3A CN202111254661A CN113976408B CN 113976408 B CN113976408 B CN 113976408B CN 202111254661 A CN202111254661 A CN 202111254661A CN 113976408 B CN113976408 B CN 113976408B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0285—Stands for supporting individual articles to be sprayed, e.g. doors, vehicle body parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F3/00—Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
- B05D2350/33—Roughening
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Abstract
The invention discloses a method and a device for improving the adhesion rate of a maritime work plate non-absorption layer laser shock spraying coating, wherein S1, a data model of the corresponding relation between the laser process parameters of the non-absorption layer and the surface roughness is established in a computer, and the laser shock process parameter range of the non-absorption layer is determined according to the roughness precision requirement of the maritime work plate to be sprayed; s2, attaching no absorption layer on the surface of the marine plate, and selecting safety values of various parameters from the laser shock process parameter range of the absorption-layer-free plate to carry out single laser shock of the absorption-layer-free plate; s3, carrying out single-point measurement on the surface roughness of the laser impact area of the no absorption layer of the marine plate to obtain the average value of the surface roughness measurement of the marine plate after impact; and S4, if the measured average value does not reach the set value of the spraying adhesion rate, repeating the step S2. The invention adopts the absorption layer-free laser shock strengthening technology to carry out shock treatment on the surface of the marine plate, thereby omitting the complicated attaching work of the absorption layer and accelerating the strengthening efficiency.
Description
Technical Field
The invention relates to a spraying coating method and a device, in particular to a laser shock spraying coating method and a device for improving the adhesion rate of a maritime work plate without an absorption layer.
Background
The coating of protective coatings is one of the most important means for preventing corrosion of marine plates at present. However, the coating material needs to have good interfacial bonding force, i.e. adhesion rate, with the substrate to fully exert the anticorrosion effect. Therefore, the adhesion rate is one of the most important indicators for evaluating the performance of the coating material. Increasing the surface roughness of the substrate and increasing the contact area between the coating and the substrate is an effective method for improving the adhesion rate of the coating.
The laser shock peening is an advanced surface treatment technology, can obviously improve the wear performance, the corrosion performance and the fatigue performance of metal parts, and simultaneously realizes the accurate control of the surface roughness. Before laser shock treatment, an absorption layer is required to be attached to the surface of the part, so that laser energy can be absorbed by the surface of the part. In order to facilitate the uniform absorption of laser energy, folds and bubbles cannot occur in the attachment of the absorption layer; therefore, the existing manual attaching method has the problems of difficult operation, low finishing quality, high working strength and low efficiency.
Disclosure of Invention
The invention aims to solve the problems and provides a laser shock spraying coating method and a laser shock spraying coating device for improving the adhesion rate of a maritime work plate without an absorption layer. The invention adopts the laser shock strengthening technology without the absorption layer to carry out shock treatment on the surface of the marine plate, thereby omitting the complex attaching work of the absorption layer and accelerating the strengthening efficiency; by establishing a data model of the corresponding relation between the laser shock process parameters of the non-absorption layer and the surface roughness in a computer and determining the range of the laser shock process parameters of the non-absorption layer according to the requirements of different maritime work plate pieces on the adhesion rate of the sprayed coating, the accurate control on the surface roughness of the maritime work plate pieces can be realized, and the strengthening efficiency can be greatly improved.
The purpose of the invention can be achieved by adopting the following technical scheme:
a laser shock spraying coating method for improving the adhesion rate of a maritime work plate without an absorption layer comprises the following steps:
s1, grinding and polishing the surface of the marine plate, removing burrs and impurities, and cleaning to enable the smoothness and cleanliness of the surface of the marine plate to reach set values; establishing a data model of the corresponding relation between the laser shock process parameters of the non-absorption layer and the surface roughness in a computer, and determining the range of the laser shock process parameters of the non-absorption layer according to the roughness precision requirement of the required spraying of the marine plate;
S2, attaching no absorption layer on the surface of the marine plate, conveying the marine plate to a laser impact device for laser impact treatment, and providing a water coating layer for an impact area; the laser shock treatment process comprises the following steps: selecting safety values of all parameters from the laser impact process parameter range of the non-absorption layer to carry out single laser impact on the non-absorption layer, wherein the laser impact area is not less than the spray coating area;
s3, carrying out single-point measurement on the surface roughness of the laser impact area of the no absorption layer of the marine plate, randomly measuring a plurality of points and averaging to obtain the average value of the surface roughness measurement of the marine plate after impact, and transmitting the average value to the computer;
s4, if the average value does not reach the set value of the spraying adhesion rate, repeating the step S2; otherwise, go to step S5;
step S5: cleaning and air-drying the surface of the marine plate;
step S6: carrying out spraying coating treatment on the marine plate;
step S7: drying and curing the coated marine plate;
step S8: and cleaning and drying the solidified marine plate.
In the step S1, the marine board is sucked by the vacuum chuck clamp manipulator and then is sent to an automatic cleaning and drying device for cleaning.
In the step S2, the automatic water coating system is started and the water coating machine is controlled to provide a water coating layer in the artificial impact area; and a laser generator of the laser impact device generates laser beams to start working, and meanwhile, the vacuum chuck clamp mechanical arm moves to realize the processing action of the marine plate, so that the laser impact treatment is completed.
In the step S3, a surface roughness measuring instrument is used to perform single-point measurement on the surface roughness of the laser impact area of the no absorption layer of the marine plate, 6 points are randomly measured and averaged to obtain an average value of the surface roughness of the marine plate after impact, and the average value is transmitted to a computer through an information acquisition system.
In the step S6, the manipulator with the vacuum chuck clamp places the marine plate on the hydraulic two-jaw clamp, the hydraulic two-jaw clamp is installed on the linear guide rail, and the part is sent to the automatic spraying and coating device for coating through the driving of the motor.
The device for improving the adhesion rate of the laser shock spraying coating method of the no-absorption layer of the marine plate is characterized by comprising a laser shock device for carrying out laser shock treatment on the marine plate, a surface roughness meter for carrying out single-point measurement on the surface roughness of the laser shock area of the no-absorption layer of the marine plate, an automatic cleaning and drying device for carrying out surface cleaning and air drying treatment on the marine plate, an automatic spraying coating device for carrying out spraying coating treatment on the surface of the marine plate, a tunnel furnace for carrying out drying and curing treatment on the coated marine plate, a vacuum chuck clamp manipulator for absorbing and moving the marine plate for carrying out laser shock treatment, a linear guide rail device for driving a hydraulic two-jaw clamp to move in the horizontal direction, a laser shock device, a surface roughness meter, an automatic cleaning and drying device, an automatic spraying coating device, And the tunnel furnace, the vacuum chuck clamp manipulator and the linear guide rail device are electrically connected with each other.
The automatic cleaning and drying device comprises a brush driving mechanism, a spraying mechanism and a drying mechanism which are electrically connected with a computer.
The laser impact device comprises a laser generator, an automatic water coating system and a dust cover; the automatic water coating system comprises a water coating robot and a water tank, wherein the water coating robot and the laser impact device are electrically connected with a computer.
The vacuum chuck clamp manipulator comprises a 6-axis manipulator and a vacuum chuck clamp; the vacuum chuck clamp comprises a flange plate, a clamping jaw, a suction nozzle, a double-shaft cylinder and a long cylinder, the vacuum chuck clamp is installed at the tail end of a 6-shaft manipulator through the flange plate, the double-shaft cylinder drives the suction nozzle to suck a marine plate, and the long cylinder drives the clamping jaw to clamp the marine plate.
The linear guide rail device comprises a guide rail, a sliding block movably arranged on the guide rail, an upright post arranged on the sliding block, a hydraulic two-claw clamp arranged on the upright post and a motor used for driving the sliding block to slide on the guide rail, wherein a rotating shaft of the motor drives the sliding block to slide by meshing a gear and a rack.
The implementation of the invention has the following beneficial effects:
according to the invention, the laser shock strengthening technology without an absorption layer is adopted to carry out shock treatment on the surface of the part, so that the complicated absorption layer attaching work is saved, and the strengthening efficiency is accelerated; establishing a data model of the corresponding relation between the laser process parameters of the non-absorption layer and the surface roughness in a computer, and determining the laser shock process parameter range of the non-absorption layer according to the requirements of different maritime work plate parts on the adhesion rate of the sprayed coating; by utilizing the advantages of the vacuum chuck clamp manipulator, the surface to be impacted of the marine plate is always kept in a vertical state with the laser beam, and the machining action is executed, so that the surface roughness of the marine plate can be accurately controlled, and the strengthening efficiency can be greatly improved; the hydraulic two-jaw clamp is matched with the linear guide rail, so that the single-sided or double-sided automatic spraying coating of the marine plate can be realized, and the spraying efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a control flow diagram of the laser shock spraying coating method for improving the adhesion rate of a maritime work plate without an absorption layer.
FIG. 2 is a block diagram of a control structure of the laser shock spray coating method for improving the adhesion rate of the non-absorption layer of the marine plate.
FIG. 3 is a schematic structural diagram of a vacuum chuck fixture of the laser shock spray coating device for a maritime work plate without an absorption layer, which is used for improving the adhesion rate.
FIG. 4 is a schematic structural diagram of a linear guide rail device of the laser shock spray coating device for improving the adhesion rate of the marine plate without the absorption layer.
FIG. 5 is a schematic structural diagram of a hydraulic two-jaw clamp of the laser shock spray coating device for a marine plate non-absorption layer to improve the adhesion rate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 and 2, the embodiment relates to a laser shock spraying coating method for a marine plate without an absorption layer, which comprises the following steps:
s1, grinding and polishing the surface of the marine plate, removing burrs and impurities, and cleaning to enable the smoothness and cleanliness of the surface of the marine plate to reach set values; establishing a data model of the corresponding relation between the laser shock process parameters of the non-absorption layer and the surface roughness in a computer, and determining the range of the laser shock process parameters of the non-absorption layer according to the roughness precision requirement of the required spraying of the marine plate; and (3) sucking the marine plate to an automatic cleaning and drying device by using a vacuum chuck clamp manipulator to remove residues such as oil stains, oxide scales and the like.
S2, the maritime work plate is conveyed to the laser impact device to be subjected to laser impact treatment, in order to save the complex work of manually attaching the absorption layer and accelerate the production efficiency, the absorption layer is not attached to the surface of the maritime work plate, and the surface to be impacted of the maritime work plate is always kept vertical to the laser beam. Meanwhile, the automatic water coating system is started, the water coating machine is controlled to provide a stable and uniform water coating layer for an artificial impact area, the pressure of laser shock waves can be restrained and enhanced to be transmitted to the interior of a processed marine plate material, the continuous action time is prolonged, and the thickness is about 2 mm. And a laser generator of the laser impact device generates laser beams to start working, and meanwhile, the vacuum chuck clamp mechanical arm moves to realize the processing action of the marine plate, so that the laser impact treatment is completed. The laser shock treatment process comprises the following steps: selecting safety values of all parameters from the range of laser shock process parameters of the non-absorption layer to carry out single laser shock of the non-absorption layer so as to prevent the phenomenon that the surface roughness of the marine plate is too large and does not meet the precision and use requirements due to too large laser energy, wherein the laser shock area is more than or equal to the spray coating area; the laser energy is selected from 0.1-10J according to the thickness of the plate, the thicker the plate is, the larger the required energy is, the laser wavelength is 1064nm, the pulse width is 10ns, the diameter of a light spot is 1-3mm, and the overlapping rate of the light spot is 40-60%. Each parameter insurance value has a corresponding relation with the thickness of the marine board, and the corresponding relation comprises: the thickness of the marine plate is within 1mm, the laser energy is about 0.5J, the laser energy is about 1J, the laser energy is about 2J, the laser energy is about 5J, the laser energy is about 1-5mm, the laser energy is about 6-10J, the laser energy is about 2J, the laser energy is about 5J, the laser energy is about 6-10J, and when the thickness of the marine plate exceeds 5cm, the marine plate is too heavy, not suitable for being clamped by a vacuum chuck clamp manipulator and is limited by the laser energy threshold of equipment, so that the marine plate is difficult to machine; other parameters include: laser wavelength is 1064nm, pulse width is 10ns, light spot diameter is 1mm, and light spot overlapping rate is 60%.
S3, carrying out single-point measurement on the surface roughness of the laser impact area of the no absorption layer of the marine plate by using a surface roughness measuring instrument, randomly measuring 6 points in total, averaging to obtain an average value of the surface roughness measurement of the marine plate after impact, and transmitting the average value to a computer through an information acquisition system.
S4, if the measured average value does not reach the firmness grade of the sprayed coating and the surface of the marine work plate to be sprayed, namely the spraying adhesion rate set value (5B grade firmness grade), repeating the step S2; otherwise, go to step S5;
step S5: sending the marine plate to the automatic cleaning and drying device again for cleaning and air drying;
step S6: carrying out spraying coating treatment on the marine plate; the manipulator with the vacuum chuck clamp places the marine plate on the hydraulic two-jaw clamp, the hydraulic two-jaw clamp is arranged on the linear guide rail, and the part is conveyed to the automatic spraying and coating device for coating through the driving of the motor. According to different coating thickness requirements, the spraying coating device can automatically set the paint spraying amount and the spraying speed, so that the required coating thickness is achieved.
Step S7: and (4) conveying the coated marine plate into a tunnel furnace through a linear guide rail device to carry out infrared drying and curing treatment.
Step S8: and cleaning and drying the solidified marine plate.
The embodiment also provides a device for improving the adhesion rate of the laser shock spraying coating method of the no-absorption layer of the marine plate, as shown in fig. 2 to 5, the device comprises a laser shock device 1 for carrying out laser shock treatment on the marine plate, a surface roughness meter 2 for carrying out single-point measurement on the surface roughness of the no-absorption layer laser shock area of the marine plate, an automatic cleaning and drying device 3 for carrying out surface cleaning and air drying treatment on the marine plate, an automatic spraying coating device 4 for carrying out spraying coating treatment on the surface of the marine plate, a tunnel furnace 5 for carrying out drying and curing treatment on the coated marine plate, a vacuum chuck clamp manipulator 6 for absorbing and moving the marine plate for carrying out laser shock treatment, a linear guide rail device 7 for driving a hydraulic two-jaw clamp 74 to move in the horizontal direction, a linear guide rail device 7 connected with the laser shock device 1, a vacuum chuck clamp manipulator 6 for absorbing and moving the marine plate for carrying out laser shock treatment, a laser shock treatment device for driving the laser shock treatment device 1, a laser shock treatment device for measuring the laser shock treatment device 1, and a laser shock treatment device for measuring the laser shock treatment device 2, A computer 8 electrically connected with the surface roughness meter 2, the automatic cleaning and drying device 3, the automatic spraying and coating device 4, the tunnel furnace 5, the vacuum chuck clamp manipulator 6 and the linear guide rail device 7.
The automatic cleaning and drying device 3 comprises a brush driving mechanism, a spraying mechanism and a drying mechanism which are electrically connected with a computer 8.
The laser impact device 1 comprises a laser generator 11, an automatic water coating system 12 and a dust cover 13; the automatic water coating system 12 comprises a water coating robot 14 and a water tank 15, wherein the water coating robot 14 and the laser impact device 1 are electrically connected with a computer 8.
As shown in fig. 3, the vacuum chuck jig robot 6 includes a 6-axis robot 60 and a vacuum chuck jig 61; the vacuum chuck clamp 61 comprises a flange plate 62, a clamping jaw 63, a suction nozzle 64, a double-shaft cylinder 65 and a long cylinder 66, the vacuum chuck clamp 61 is installed at the tail end of the 6-shaft manipulator 60 through the flange plate, the double-shaft cylinder 65 drives the suction nozzle 64 to suck a marine plate, and the long cylinder 66 drives the clamping jaw 63 to clamp the marine plate.
As shown in fig. 4 and 5, the linear guide device 7 includes a guide rail 71, a slider 72 movably mounted on the guide rail 71, a column 73 provided on the slider 72, a hydraulic two-jaw clamp 74 mounted on the column 73, and a motor 75 for driving the slider 72 to slide on the guide rail 71, wherein a rotating shaft of the motor 75 drives the slider 72 to slide by engaging a gear with a rack 76. The hydraulic two-jaw chuck 74 is mounted on the guide rail 71 through the upright post 73 and placed face to face, the hydraulic two-jaw clamp 74 can freely move through the motor 75 on the guide rail 71, clamping of the marine plate is achieved, and the requirement of simultaneous coating of a single face or double faces of the marine plate is met.
The invention adopts the laser shock strengthening technology without the absorption layer to carry out shock treatment on the surface of the marine plate, thereby omitting the complex attaching work of the absorption layer and accelerating the strengthening efficiency; establishing a data model of the corresponding relation between the laser process parameters of the non-absorption layer and the surface roughness in the computer 8, and determining the laser shock process parameter range of the non-absorption layer according to the requirements of different maritime work plate parts on the adhesion rate of the sprayed coating; by utilizing the advantages of the vacuum chuck clamp mechanical arm 6, the surface to be impacted of the marine plate is always kept in a vertical state with the laser beam, and the processing action is executed, so that the accurate control of the surface roughness of the marine plate can be realized, and the strengthening efficiency can be greatly improved; the hydraulic two-jaw clamp is matched with the linear guide rail, so that the single-sided or double-sided automatic spraying coating of the marine plate can be realized, and the spraying efficiency is greatly improved.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (7)
1. A laser shock spraying coating method for improving the adhesion rate of a maritime work plate without an absorption layer is characterized by comprising the following steps:
S1, grinding and polishing the surface of the marine plate, removing burrs and impurities, and cleaning to enable the smoothness and cleanliness of the surface of the marine plate to reach set values; establishing a data model of the corresponding relation between the laser shock process parameters of the non-absorption layer and the surface roughness in a computer, and determining the range of the laser shock process parameters of the non-absorption layer according to the roughness precision requirement of the required spraying of the marine plate;
s2, attaching no absorption layer on the surface of the marine plate, conveying the marine plate to a laser impact device for laser impact treatment, and providing a water coating layer for an impact area; the laser shock treatment process comprises the following steps: selecting safety values of all parameters from the laser impact process parameter range of the non-absorption layer to carry out single laser impact on the non-absorption layer, wherein the laser impact area is not less than the spray coating area;
s3, carrying out single-point measurement on the surface roughness of the laser impact area of the no absorption layer of the marine plate, randomly measuring a plurality of points and averaging to obtain the average value of the surface roughness measurement of the marine plate after impact, and transmitting the average value to the computer;
s4, if the average value does not reach the set value of the spraying adhesion rate, repeating the step S2; otherwise, go to step S5;
Step S5: cleaning and air-drying the surface of the marine plate;
step S6: carrying out spraying coating treatment on the marine plate;
step S7: drying and curing the coated marine plate;
step S8: cleaning and drying the solidified marine plate;
in the step S2, the surface to be impacted of the marine plate member is always kept perpendicular to the laser beam; starting the automatic water coating system and controlling the water coating machine to provide a water coating layer in a man-made impact area; a laser generator of the laser impact device generates laser beams to start working, and meanwhile, the vacuum chuck clamp mechanical arm moves to realize the processing action of the marine plate, so that the laser impact treatment is completed;
in the step S3, performing single-point measurement on the surface roughness of the laser impact area of the no-absorption layer of the marine plate by using a surface roughness measuring instrument, randomly measuring 6 points in total and averaging to obtain an average value of the surface roughness measurement of the marine plate after impact, and transmitting the average value to a computer through an information acquisition system;
in the step S6, the manipulator with the vacuum chuck clamp places the marine plate on the hydraulic two-jaw clamp, the hydraulic two-jaw clamp is installed on the linear guide rail, and the marine plate is sent to the automatic spraying and coating device for coating through the driving of the motor.
2. The laser shock spraying coating method for improving the adhesion rate of the maritime work plate without the absorption layer according to claim 1, wherein in the step S1, a vacuum chuck clamp mechanical arm is used for sucking the maritime work plate, and then the maritime work plate is sent to an automatic cleaning and drying device for cleaning.
3. The device of claim 1 or 2 for improving the adhesion rate of the laser shock spraying coating method of the no-absorption layer of the marine plate, which is characterized by comprising a laser shock device for performing laser shock treatment on the marine plate, a surface roughness meter for performing single-point measurement on the surface roughness of the laser shock area of the no-absorption layer of the marine plate, an automatic cleaning and drying device for performing surface cleaning and air drying treatment on the marine plate, an automatic spraying coating device for performing spray coating treatment on the surface of the marine plate, a tunnel furnace for performing drying and curing treatment on the coated marine plate, a vacuum chuck clamp manipulator for sucking and moving the marine plate for performing laser shock treatment, a linear guide rail device for driving a hydraulic two-jaw clamp to move in the horizontal direction, a laser shock device, a surface roughness meter, a vacuum chuck manipulator for performing laser shock treatment on the marine plate, a vacuum chuck manipulator for driving the hydraulic two-jaw clamp to move in the horizontal direction, a linear guide rail device for driving the laser shock device, a surface roughness meter, a laser shock device for measuring the laser shock resistance of the marine plate, a laser shock device for measuring the laser shock resistance of the laser shock device, a surface roughness meter, a laser shock meter for measuring the laser shock resistance meter, and a laser shock meter for measuring the laser shock resistance of the vacuum chuck for measuring the laser shock resistance of the surface of the marine plate, A computer electrically connected with the automatic cleaning and drying device, the automatic spraying and coating device, the tunnel furnace, the vacuum chuck fixture manipulator and the linear guide rail device.
4. The apparatus for laser shock coating of marine plate non-absorption layer with improved adhesion according to claim 3, wherein the automatic cleaning and drying apparatus comprises a brush driving mechanism electrically connected to a computer, a spraying mechanism and a drying mechanism.
5. The device for laser shock spray coating of marine plate non-absorption layer for improving the adhesion rate according to claim 3, wherein the laser shock device comprises a laser generator, an automatic water coating system and a dust cover; the automatic water coating system comprises a water coating robot and a water tank, wherein the water coating robot and the laser impact device are electrically connected with a computer.
6. The device for laser shock coating of marine plate non-absorption layer with improved adhesion rate according to claim 3, wherein the vacuum chuck clamp manipulator comprises a 6-axis manipulator and a vacuum chuck clamp; the vacuum chuck clamp comprises a flange plate, a clamping jaw, a suction nozzle, a double-shaft cylinder and a long cylinder, the vacuum chuck clamp is installed at the tail end of a 6-shaft manipulator through the flange plate, the double-shaft cylinder drives the suction nozzle to suck a marine plate, and the long cylinder drives the clamping jaw to clamp the marine plate.
7. The apparatus of claim 3, wherein the linear guide means comprises a guide rail, a slide block movably mounted on the guide rail, a column mounted on the slide block, a hydraulic two-jaw clamp mounted on the column, and a motor for driving the slide block to slide on the guide rail, wherein a rotating shaft of the motor drives the slide block to slide by engaging a gear with a rack.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111254661.3A CN113976408B (en) | 2021-10-27 | 2021-10-27 | Maritime work plate non-absorption layer laser shock spraying coating method and device for improving adhesion rate |
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| CN202111254661.3A CN113976408B (en) | 2021-10-27 | 2021-10-27 | Maritime work plate non-absorption layer laser shock spraying coating method and device for improving adhesion rate |
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| CN113976408A CN113976408A (en) | 2022-01-28 |
| CN113976408B true CN113976408B (en) | 2022-08-12 |
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