CN114653511A - Anti-drop coating process for graphene anticorrosive material - Google Patents
Anti-drop coating process for graphene anticorrosive material Download PDFInfo
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- CN114653511A CN114653511A CN202210322509.2A CN202210322509A CN114653511A CN 114653511 A CN114653511 A CN 114653511A CN 202210322509 A CN202210322509 A CN 202210322509A CN 114653511 A CN114653511 A CN 114653511A
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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
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
- B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
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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
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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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
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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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
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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
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
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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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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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
- B05D3/002—Pretreatement
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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
- B05D3/12—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 mechanical 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
- 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
- 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
- B05D7/50—Multilayers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention relates to the technical field of graphene coating, and particularly discloses an anti-drop coating process for a graphene anticorrosive material, wherein the peripheral corners of a base material are fixed through a base material spraying positioning mechanism, the surface of the base material to be sprayed is pretreated, a spraying nozzle is controlled by a horizontal sliding mechanism to horizontally slide along the surface of the base material, and the surface of the base material is horizontally sprayed with a first coating; the longitudinal sliding mechanism is used for controlling the longitudinal movement of the spraying nozzle, and meanwhile, the spraying nozzle is moved to a proper position under the cooperation of the nozzle spacing control mechanism, so that multiple spraying operations are carried out on the base material. The coating process provided by the scheme improves the spraying efficiency and quality of the base material, strictly controls the covering distance between each coating, strictly covers the side of the upper coating with the lower coating during spraying, avoids the condition of missing spraying, ensures the integrity and continuity of the coating, and avoids the condition of falling off of the coating on the base material in later period.
Description
Technical Field
The invention relates to the technical field of graphene coating, in particular to an anti-falling coating process for a graphene anticorrosive material.
Background
The graphene anticorrosive paint is a revolutionary novel heavy anticorrosive paint developed based on epoch-making new material graphene, and has super-strong base material adhesive force with excellent anticorrosive performance, high cost performance and construction convenience. The birth of the graphene anticorrosive paint breaks through the inherent concept of people on the formation of the traditional heavy anticorrosive paint, the anticorrosive effect is multiplied on the basis of the traditional heavy anticorrosive paint, the coating efficiency of the heavy anticorrosive paint is greatly improved, the labor cost and the raw material cost generated in the pretreatment and coating processes of the base material are saved, the self weight of the coated object is reduced, the pollution of construction to the environment is greatly reduced, the national green development and high-quality development strategy are highly matched, and the graphene anticorrosive paint has great social benefit and economic benefit.
However, the existing graphene coating is often uneven in spraying and prone to missing coating in the spraying process, and the uneven spraying or lack of integrity of the anticorrosive coating can cause the coating to easily fall off in the long-term use process, so that the equipment operation reliability of the equipment workpiece is affected by partial corrosion in the subsequent use process, and huge operation and maintenance cost is brought.
Disclosure of Invention
The invention aims to provide an anti-falling coating process for a graphene anticorrosive material, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-shedding coating process for a graphene anticorrosive material comprises the following specific steps:
s1: placing the base material on a spraying device, fixing the peripheral corners of the base material through a base material spraying positioning mechanism, cleaning the surface of the base material to be sprayed, and removing oil stains on the surface of the base material;
s2: performing shot blasting and sand blasting treatment on the base material after oil stain removal to remove iron scales and iron rust on the surface of the base material;
s3: impurities such as gravel, dust and the like on the surface of the base material are thoroughly removed by using compressed air;
s4: lifting the spraying machine platform upwards through a hydraulic rod to keep a proper distance between a spraying nozzle and a base material, and conveying the graphene anticorrosive paint in the feed tank to the spraying nozzle through a material conveying pump for spraying;
s5: controlling the spraying nozzle to horizontally slide along the surface of the base material through a horizontal sliding mechanism, and performing horizontal spraying work of a first coating on the surface of the base material; the longitudinal sliding mechanism is used for controlling the longitudinal movement of the spraying nozzle, and meanwhile, the spraying nozzle is moved to a proper position under the coordination of the nozzle spacing control mechanism, so that the next coating presses 1/3 or 1/4 of the previous coating;
s6: and performing multi-coating spraying work on the surface of the base material according to the operation method of the step S5 until the coating on the surface of the base material is completely sprayed.
As a preferred scheme of the invention, the spraying device comprises a processing machine platform, a spraying machine frame, a spraying nozzle and a nozzle control mechanism; the spraying machine table is fixed on the processing machine table through a hydraulic rod, the spraying machine frame is fixed on the processing machine table, and the spraying nozzle is slidably mounted on the spraying machine frame through a nozzle control mechanism; the spraying machine frame comprises a horizontal sliding rail and a longitudinal sliding rail, and the spray head control mechanism comprises a horizontal sliding mechanism arranged on the horizontal sliding rail, a longitudinal sliding mechanism arranged on the longitudinal sliding rail and a spray head interval control mechanism used for controlling the interval of the spraying spray heads.
As a preferred scheme of the invention, the spraying nozzle is connected with a feed tank, a stirring shaft is arranged in the feed tank, stirring blades are arranged on the stirring shaft, and the top end of the stirring shaft is connected with a stirring motor; the feeding tank is connected with the spraying nozzle through a conveying pipe and a conveying pump, and the conveying pipe is provided with an electromagnetic valve.
As a preferred scheme of the invention, the spraying machine platform is provided with a substrate spraying positioning mechanism, the substrate spraying positioning mechanism comprises fixed stand columns arranged on the left side and the right side of the spraying machine platform, lifting screw rods are rotatably arranged in the fixed stand columns, lifting slide blocks are arranged on the lifting screw rods in a threaded manner, the outer end parts of the lifting slide blocks are rotatably connected with driving screws, and one ends of the driving screws, which are far away from the lifting slide blocks, are connected with lifting pressure plates for pressing the surfaces of the substrates in a threaded manner.
As a preferred scheme of the invention, a first bevel gear is fixedly mounted on the driving screw, a second bevel gear in meshing transmission connection with the first bevel gear is arranged below the first bevel gear, an electric push rod is fixedly connected to the bottom end axis of the second bevel gear, a rotating shaft is fixedly connected to the bottom end of the electric push rod, the bottom end of the rotating shaft penetrates through the spraying machine platform and is fixedly connected with a meshing gear, the meshing gear is in meshing transmission connection with a driving gear, and the driving gear is fixed to the bottom of the lifting screw rod.
As a preferred scheme of the invention, the bottom end of the lifting screw rod on one side of the spraying machine platform penetrates through the processing machine platform to be connected with the driving motor, the bottom end of the lifting screw rod on the other side penetrates through the processing machine platform to be connected with the driven gear, and the adjacent driving gear and the driven gear are connected through the transmission belt.
As a preferable scheme of the invention, the horizontal sliding mechanism comprises a horizontal screw rod rotatably mounted in a horizontal sliding rail, a horizontal sliding block is mounted on the horizontal screw rod in a threaded manner, the bottom of the horizontal sliding block is fixedly connected with a spraying nozzle through a nozzle support, and the horizontal screw rod is connected with a horizontal motor.
As a preferable scheme of the invention, the top end of the horizontal slide rail is fixedly provided with a longitudinal slide block, the longitudinal slide block is arranged in the longitudinal slide rail in a sliding manner, a longitudinal screw rod is rotatably arranged in the longitudinal slide rail, the longitudinal screw rod is in threaded connection with the longitudinal slide block, and the longitudinal screw rod is connected with a longitudinal motor.
As a preferable scheme of the present invention, the distance control mechanism includes a pressure sensor and an induction pressure lever, the induction pressure lever is vertically fixed on the outer side wall of the longitudinal sliding block, the pressure sensors are fixed at equal intervals at the bottom end of the longitudinal sliding rail, the distance between two adjacent pressure sensors is 2/3 or 3/4 of the width of each coating, and the output end of the pressure sensor is connected with the control end of the longitudinal motor.
As a preferable scheme of the invention, the pressure sensor is fixed on the fixed sliding plate, a fixed arc groove matched with the induction pressure rod structure is formed in the position, corresponding to the induction pressure rod, of the fixed sliding plate, and the pressure sensor is installed on the inner wall of the groove of the fixed arc groove.
Compared with the prior art, the invention has the beneficial effects that:
according to the anti-drop coating process for the graphene anticorrosive material, the coating process provided by the scheme is adopted to spray the surface of the base material, so that the spraying efficiency and quality of the base material can be effectively improved, the covering distance between every two coatings is strictly controlled, the side of the last coating is strictly covered by the next coating during spraying, the condition of missing spraying is avoided, the continuity of base material spraying is ensured, the integrity of the coating is improved, and the condition that the coating on the base material drops in the later period is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of part A of the present invention;
FIG. 3 is a schematic structural diagram of part B of the present invention;
FIG. 4 is a schematic view of the overall structure of the substrate spraying positioning mechanism of the present invention;
FIG. 5 is a schematic view of a partial structure of a substrate positioning mechanism according to the present invention;
fig. 6 is a schematic structural diagram of the longitudinal sliding rail according to the present invention.
In the figure: 1. processing a machine table; 2. spraying a machine platform; 3. a feeding tank; 4. spraying a spray head; 5. a hydraulic lever; 6. a horizontal slide rail; 7. a longitudinal slide rail; 8. fixing the upright post; 9. a stirring motor; 10. a delivery pump; 11. a lifting screw rod; 12. a lifting slide block; 13. a drive screw; 14. a voltage rising and falling plate; 15. a first bevel gear; 16. a second bevel gear; 17. a rotating shaft; 18. a meshing gear; 19. a driving gear; 20. a drive motor; 21. a driven gear; 22. a horizontal screw rod; 23. a horizontal slider; 24. a spray head holder; 25. a horizontal motor; 26. a longitudinal slide block; 27. a longitudinal screw rod; 28. a longitudinal motor; 29. a pressure sensor; 30. an induction pressure lever; 31. fixing the sliding plate; 32. fixing the arc groove; 33. an electric push rod; 34. a transmission belt.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-6, the present invention provides a technical solution: an anti-drop coating process for a graphene anticorrosive material comprises the following specific steps:
s1: placing the base material on a spraying device, fixing the peripheral corners of the base material through a base material spraying positioning mechanism, cleaning the surface of the base material to be sprayed, and removing oil stains on the surface of the base material;
s2: performing shot blasting and sand blasting treatment on the base material after oil stain removal to remove iron scales and iron rust on the surface of the base material;
s3: impurities such as gravel, dust and the like on the surface of the base material are thoroughly removed by using compressed air;
s4: the spraying machine table 2 is lifted upwards through the hydraulic rod 5, so that the distance between the spraying nozzle 4 and the base material is kept at a proper distance, and the graphene anticorrosive paint in the feeding tank 3 is conveyed to the spraying nozzle 4 through the material conveying pump 10 to be sprayed;
s5: the horizontal sliding mechanism controls the spraying nozzle 4 to horizontally slide along the surface of the base material, and the horizontal spraying work of the first coating is carried out on the surface of the base material; the longitudinal sliding mechanism is used for controlling the longitudinal movement of the spraying nozzle 4, and simultaneously, the spraying nozzle 4 is moved to a proper position under the coordination of the nozzle spacing control mechanism, so that the next coating presses 1/3 or 1/4 of the previous coating;
s6: and performing multi-coating spraying work on the surface of the base material according to the operation method of the step S5 until the coating on the surface of the base material is completely sprayed.
As a preferred embodiment, the spraying device comprises a processing machine platform 1, a spraying machine platform 2, a spraying machine frame, a spraying nozzle 4 and a nozzle control mechanism; the spraying machine table 2 is fixed on the processing machine table 1 through a hydraulic rod 5, the spraying machine frame is fixed on the processing machine table 1, and the spraying nozzle 4 is slidably mounted on the spraying machine frame through a nozzle control mechanism; the spraying machine frame comprises a horizontal sliding rail 6 and a longitudinal sliding rail 7, and the spray head control mechanism comprises a horizontal sliding mechanism arranged on the horizontal sliding rail 6, a longitudinal sliding mechanism arranged on the longitudinal sliding rail 7 and a spray head interval control mechanism used for controlling the interval of the spraying spray heads 4.
As a preferred embodiment, the spraying nozzle 4 is connected with a feed tank 3, a stirring shaft is arranged in the feed tank 3, stirring blades are arranged on the stirring shaft, and the top end of the stirring shaft is connected with a stirring motor 9; the feeding tank 3 is connected with the spraying nozzle 4 through a material conveying pipe and a material conveying pump 10, and an electromagnetic valve is installed on the material conveying pipe.
In this embodiment: the coating process that provides through this scheme of adoption carries out spraying work to the substrate surface, spraying efficiency and quality that can effectual improvement substrate, and the cover interval between each coating of strict control for the avris of one coating is covered strictly to the next coating during spraying, avoids appearing leaking the condition of spouting, ensures the continuity of substrate spraying, improves the integrality of coating, avoids the condition that the coating on the substrate of later stage appears droing.
Example 2: be provided with substrate spraying positioning mechanism on paint sprayer 2, substrate spraying positioning mechanism is including installing the stationary mast 8 in paint sprayer 2 left and right sides, and lifting screw 11 is installed in the inside rotation of stationary mast 8, and lifting slide 12 is installed to the screw thread on the lifting screw 11, and the outer tip of lifting slide 12 rotates and is connected with drive screw 13, and the one end threaded connection that lifting slide 12 was kept away from to drive screw 13 has the pressure rising and dropping board 14 that is used for compressing tightly the substrate surface.
As a preferred embodiment, a first bevel gear 15 is fixedly installed on the driving screw 13, a second bevel gear 16 in meshing transmission connection with the first bevel gear 15 is arranged below the first bevel gear 15, an electric push rod 33 is fixedly connected to the bottom end axis of the second bevel gear 16, a rotating shaft 17 is fixedly connected to the bottom end of the electric push rod 33, a meshing gear 18 is fixedly connected to the bottom end of the rotating shaft 17, the meshing gear 18 is in meshing transmission connection with a driving gear 19, and the driving gear 19 is fixed to the bottom of the lifting screw rod 11.
As a preferred embodiment, the bottom end of the lifting screw rod 11 on one side of the spraying machine platform 2 penetrates through the processing machine platform 1 and is connected with the driving motor 20, the bottom end of the lifting screw rod 11 on the other side penetrates through the processing machine platform 1 and is connected with the driven gear 21, and the adjacent driving gear 19 and the driven gear 21 are connected through the transmission belt 34.
In this embodiment: when the base material is placed on the spraying machine platform 2, an operator starts the driving motor 20, so that the driving motor 20 drives the lifting screw rod 11 to rotate, the lifting screw rod 11 drives the lifting slide block 12 to move downwards to a proper position, in the process, the lifting screw rod 11 drives the driving gear 19 to rotate, and all the lifting slide blocks 12 move synchronously through the matching of the driving belt 34 and the driven gear 21;
meanwhile, the electric push rod 33 is started to synchronously move the second bevel gear 16 downwards so as to keep meshed with the first bevel gear 15 and the second bevel gear 16, the driving gear 19 rotates and simultaneously drives the meshed gear 18 to synchronously rotate, the electric push rod 33 is further driven to synchronously rotate through the rotating shaft 17, the first bevel gear 15 is in meshed transmission connection with the second bevel gear 16 so as to drive the driving screw 13 to synchronously rotate, and the driving screw 13 is in threaded connection with the lifting pressure plate 14 so as to move the lifting pressure plate 14 to the substrate and play a role of pressing the substrate.
When the end of the substrate needs to be sprayed and cleaned, the driving motor 20 is controlled to rotate reversely, so that the pressure rising and reducing plate 14 is separated from the surface of the substrate.
Example 3: the horizontal sliding mechanism comprises a horizontal screw rod 22 rotatably installed in the horizontal sliding rail 6, a horizontal sliding block 23 is installed on the horizontal screw rod 22 in a threaded mode, the bottom of the horizontal sliding block 23 is fixedly connected with the spraying nozzle 4 through a nozzle support 24, and the horizontal screw rod 22 is connected with a horizontal motor 25.
As a preferred embodiment, the top end of the horizontal slide rail 6 is fixedly provided with a longitudinal slide block 26, the longitudinal slide block 26 is slidably arranged in the longitudinal slide rail 7, a longitudinal screw rod 27 is rotatably arranged in the longitudinal slide rail 7, the longitudinal screw rod 27 is in threaded connection with the longitudinal slide block 26, and the longitudinal screw rod 27 is connected with a longitudinal motor 28.
In this embodiment: when the spraying operation is needed to be carried out on the surface of the base material through the spraying nozzle 4, the horizontal motor 25 is started, so that the horizontal motor 25 drives the horizontal screw rod 22 to rotate, the horizontal screw rod 22 is connected with the horizontal sliding block 23 through threads, the horizontal sliding block drives the spraying nozzle 4 to move horizontally through the nozzle support 24, and then the horizontal spraying operation is carried out on the surface of the base material through the spraying nozzle 4.
When the next spraying work is needed to be carried out on the surface of the base material, the horizontal motor 25 is paused, the longitudinal motor 28 is started, the longitudinal motor 28 drives the longitudinal screw rod 27 to rotate, the longitudinal screw rod 27 is in threaded connection with the longitudinal sliding block 26, the longitudinal sliding block 26 drives the horizontal sliding rail 6 to move to a proper position, the horizontal motor 25 is started, the horizontal motor 26 rotates reversely, and then the next spraying work is carried out.
Example 4: the distance control mechanism comprises pressure sensors 29 and induction pressure rods 30 which are matched with each other, the induction pressure rods 30 are vertically fixed on the outer side wall of the longitudinal sliding block 26, the pressure sensors 29 are fixed at the bottom end of the longitudinal sliding rail 7 at equal intervals, the distance between every two adjacent pressure sensors 29 is 2/3 or 3/4 of the width of each coating, and the output ends of the pressure sensors 29 are connected with the control end of the longitudinal motor 28.
As a preferred embodiment, the pressure sensor 29 is fixed on a fixed sliding plate 31, a fixed arc groove 32 structurally matched with the induction pressure rod 30 is formed in the position, corresponding to the induction pressure rod 30, of the fixed sliding plate 31, and the pressure sensor 29 is installed on the inner wall of a groove of the fixed arc groove 32.
In this embodiment: when the longitudinal sliding mechanism controls the longitudinal sliding block 26 to move, the longitudinal sliding block 26 drives the induction pressing rod 30 to move synchronously, the outer side wall of the induction pressing rod 30 moves synchronously along the fixed arc grooves 32 on the plurality of fixed sliding plates 31, the induction pressing rod 30 plays a certain extrusion force on the pressure sensors 29 in the corresponding fixed arc grooves 32, when the induction pressing rod 30 moves to a proper position, the pressure sensors 29 send signals to the control end of the longitudinal motor 28, the movement of the spraying nozzle 4 is suspended, and then the horizontal painting work of the next coating is carried out by controlling the spraying nozzle 4 through the horizontal wiping mechanism, so that the next coating presses 1/3 or 1/4 of the previous coating, and the continuity and the integrity of the coating are ensured.
It is worth noting that: whole device passes through the controller and realizes its control, and the motor all adopts the electrical equipment who has positive reverse rotation function, because electrical equipment such as controller, motor are equipment commonly used, belongs to current mature technology, no longer gives unnecessary details its electric connection relation and specific circuit structure here.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An anti-drop coating process for a graphene anticorrosive material is characterized by comprising the following steps: the method comprises the following specific steps:
s1: placing a base material on a spraying device, fixing the peripheral corners of the base material through a base material spraying positioning mechanism, cleaning the surface of the base material to be sprayed, and removing oil stains on the surface of the base material;
s2: performing shot blasting and sand blasting treatment on the base material after oil stain removal to remove iron scales and iron rust on the surface of the base material;
s3: thoroughly removing impurities such as gravel, dust and the like on the surface of the base material by using compressed air;
s4: the spraying machine table (2) is lifted upwards through the hydraulic rod (5), so that the distance between the spraying nozzle (4) and the base material is kept at a proper distance, and the graphene anticorrosive paint in the feeding tank (3) is conveyed to the spraying nozzle (4) through the material conveying pump (10) to perform spraying work;
s5: the horizontal sliding mechanism controls the spraying nozzle (4) to horizontally slide along the surface of the base material, and the horizontal spraying work of a first coating is carried out on the surface of the base material; the longitudinal sliding mechanism is used for controlling the longitudinal movement of the spraying nozzle (4), and simultaneously, the spraying nozzle (4) is moved to a proper position under the coordination of the nozzle spacing control mechanism, so that the next coating presses 1/3 or 1/4 of the previous coating;
s6: and performing multi-coating spraying work on the surface of the base material according to the operation method of the step S5 until the coating on the surface of the base material is completely sprayed.
2. The anti-drop coating process for the graphene anticorrosive material according to claim 1, characterized in that: the spraying device comprises a processing machine table (1), a spraying machine table (2), a spraying rack, a spraying nozzle (4) and a nozzle control mechanism; the spraying machine table (2) is fixed on the processing machine table (1) through a hydraulic rod (5), the spraying machine frame is fixed on the processing machine table (1), and the spraying nozzle (4) is slidably mounted on the spraying machine frame through a nozzle control mechanism; the spraying machine frame comprises a horizontal sliding rail (6) and a longitudinal sliding rail (7), and the spray head control mechanism comprises a horizontal sliding mechanism arranged on the horizontal sliding rail (6), a longitudinal sliding mechanism arranged on the longitudinal sliding rail (7) and a spray head interval control mechanism used for controlling the interval of the spraying spray heads (4).
3. The anti-drop coating process for the graphene anticorrosive material according to claim 1, characterized in that: the spraying nozzle (4) is connected with a feeding tank (3), a stirring shaft is arranged in the feeding tank (3), stirring blades are arranged on the stirring shaft, and the top end of the stirring shaft is connected with a stirring motor (9); the feeding tank (3) is connected with the spraying nozzle (4) through a material conveying pipe and a material conveying pump (10), and the material conveying pipe is provided with an electromagnetic valve.
4. The graphene anticorrosive material anti-shedding coating process according to claim 1, characterized in that: be provided with substrate spraying positioning mechanism on paint sprayer (2), substrate spraying positioning mechanism is including installing fixed post (8) in paint sprayer (2) left and right sides, and lifting screw (11) are installed in the inside rotation of fixed post (8), and lifting slide (12) are installed to lifting screw (11) upper thread, and the outer tip of lifting slide (12) rotates and is connected with drive screw (13), and the one end threaded connection that lifting slide (12) were kept away from in drive screw (13) has pressure rising and dropping board (14) that are used for compressing tightly the substrate surface.
5. The anti-drop coating process for the graphene anticorrosive material according to claim 4, characterized in that: the automatic spraying machine is characterized in that a first bevel gear (15) is fixedly mounted on the driving screw (13), a second bevel gear (16) connected with the first bevel gear in a meshing transmission mode is arranged below the first bevel gear (15), an electric push rod (33) is fixedly connected to the bottom end axis of the second bevel gear (16), a rotating shaft (17) is fixedly connected to the bottom end of the electric push rod (33), the bottom end of the rotating shaft (17) penetrates through a spraying machine table (2) and is fixedly connected with a meshing gear (18), the meshing gear (18) is connected with a driving gear (19) in a meshing transmission mode, and the driving gear (19) is fixed to the bottom of the lifting screw (11).
6. The graphene anticorrosive material anti-shedding coating process according to claim 1, characterized in that: the bottom end of the lifting screw rod (11) on one side of the spraying machine platform (2) penetrates through the processing machine platform (1) to be connected with the driving motor (20), the bottom end of the lifting screw rod (11) on the other side penetrates through the processing machine platform (1) to be connected with the driven gear (21), and the adjacent driving gear (19) and the driven gear (21) are connected through the transmission belt (34).
7. The anti-drop coating process for the graphene anticorrosive material according to claim 1, characterized in that: horizontal glide machanism installs horizontal screw (22) in horizontal slide rail (6) including rotating, and horizontal slider (23) are installed to horizontal screw (22) upper thread, and the bottom of horizontal slider (23) is passed through shower nozzle support (24) and spraying shower nozzle (4) fixed connection, and horizontal screw (22) are connected with horizontal motor (25).
8. The anti-drop coating process for the graphene anticorrosive material according to claim 2, characterized in that: the top end of the horizontal sliding rail (6) is fixedly provided with a longitudinal sliding block (26), the longitudinal sliding block (26) is arranged in the longitudinal sliding rail (7) in a sliding mode, a longitudinal screw rod (27) is rotatably arranged inside the longitudinal sliding rail (7), the longitudinal screw rod (27) is in threaded connection with the longitudinal sliding block (26), and the longitudinal screw rod (27) is connected with a longitudinal motor (28).
9. The anti-drop coating process for the graphene anticorrosive material according to claim 2, characterized in that: the distance control mechanism comprises pressure sensors (29) and sensing pressure rods (30), the sensing pressure rods (30) are vertically fixed on the outer side wall of the longitudinal sliding block (26), the pressure sensors (29) are fixed at the bottom end of the longitudinal sliding rail (7) at equal intervals, the distance between every two adjacent pressure sensors (29) is 2/3 or 3/4 of the width of each coating, and the output ends of the pressure sensors (29) are connected with the control end of the longitudinal motor (28).
10. The anti-drop coating process for the graphene anticorrosive material according to claim 9, characterized in that: the pressure sensor (29) is fixed on the fixed sliding plate (31), a fixed arc groove (32) matched with the induction pressing rod (30) in structure is formed in the position, corresponding to the induction pressing rod (30), of the fixed sliding plate (31), and the pressure sensor (29) is installed on the inner wall of a groove of the fixed arc groove (32).
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