CN114672757B - Ion spraying device and process for metal surface coating - Google Patents
Ion spraying device and process for metal surface coating Download PDFInfo
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- CN114672757B CN114672757B CN202210160973.6A CN202210160973A CN114672757B CN 114672757 B CN114672757 B CN 114672757B CN 202210160973 A CN202210160973 A CN 202210160973A CN 114672757 B CN114672757 B CN 114672757B
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- 238000005507 spraying Methods 0.000 title claims abstract description 103
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 98
- 239000002184 metal Substances 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 title claims abstract description 21
- 238000000576 coating method Methods 0.000 title claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 230000007723 transport mechanism Effects 0.000 claims abstract description 12
- 238000007750 plasma spraying Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The application discloses an ion spraying device and a process for a metal surface coating, wherein the ion spraying device comprises a spraying box, a spraying cavity is arranged in the spraying box, an ion spray gun is arranged at the top end of the spraying cavity, and the ion spray gun performs plasma spraying on the surface of a metal substrate fixed in the spraying cavity; inside vertical division board that is provided with of spraying cavity and encircle the U type backup pad that sets up in the division board both sides, the division board divide into preheating chamber and working chamber with the spraying cavity, and U type backup pad transversely passes to set up in preheating chamber and working chamber and slidable mounting has transport mechanism, and transport mechanism is used for driving the metal base member and removes to working chamber from preheating chamber, and ion spray gun sets up at the working chamber tip, is provided with cooling device on the working chamber. The application realizes that the metal matrix reaches the ideal temperature before spraying, is cooled and kept at the ideal temperature in the spraying process, and introduces the working temperature during spraying to the preheating work, thereby realizing the multi-stage utilization of energy.
Description
Technical Field
The application relates to the technical field of plasma spraying, in particular to an ion spraying device and process for a metal surface coating.
Background
Plasma spraying is a material surface strengthening and surface modifying technology, which can make the metal surface have the performances of wear resistance, corrosion resistance, high-temperature oxidation resistance, electric insulation, heat insulation, radiation protection, antifriction, sealing and the like. The plasma spraying technique is a method of forming a surface layer which is firmly adhered by heating a material such as ceramics, alloys, metals, etc. to a molten or semi-molten state by using a plasma arc driven by a direct current as a heat source and spraying the material at a high speed onto a surface of a workpiece subjected to pretreatment.
However, the surface temperature of the metal matrix is affected by room temperature, the temperature difference with the ionic paint is large, the spraying effect is not ideal due to the huge temperature difference, and in the spraying process, the local position of the metal matrix is rapidly heated, the adhesion capability of the metal surface to the paint is affected, and even the risk of deformation exists.
Disclosure of Invention
The application aims to provide an ion spraying device and process for a metal surface coating, which are used for solving the technical problem that a metal substrate is poor in spraying effect due to temperature difference in the prior art.
In order to solve the technical problems, the application specifically provides the following technical scheme:
the application provides an ion spraying device for a metal surface coating, which comprises a spraying box, wherein a spraying cavity is arranged in the spraying box, an ion spray gun is arranged at the top end of the spraying cavity, and the ion spray gun performs plasma spraying on the surface of a metal substrate fixed in the spraying cavity;
the inside vertical division board that is provided with of spraying cavity and encircles the setting are in the U type backup pad of division board both sides, the division board will the spraying cavity divide into preheat cavity and working chamber, U type backup pad transversely passes and sets up preheat the cavity with just slidable mounting has transport mechanism in the working chamber, transport mechanism is used for driving the metal base member follow preheat the cavity and remove to the working chamber, ion spray gun sets up working chamber tip, be provided with cooling device on the working chamber, ion spray gun transport mechanism all is connected with control panel.
As a preferable scheme of the application, the upper end and one side of the partition plate are attached to the inner wall of the spraying box, a heat flow channel is arranged between the bottom of the partition plate and the spraying box, a gap is formed between the other side of the partition plate and the spraying box, and the U-shaped supporting plate penetrates through the gap.
As a preferable scheme of the application, the bottom of the partition plate is provided with the induced draft fan, the induced draft fan is arranged on the heat flow channel, the air inlet of the induced draft fan is arranged in the working chamber, the air outlet of the induced draft fan is arranged in the preheating chamber, and the induced draft fan is connected with the control panel.
As a preferable scheme of the application, a heating wire is arranged in an air outlet of the induced draft fan, a temperature controller is arranged on the heating wire, and the temperature controller is connected with the control panel.
As a preferable scheme of the application, the side edge of the spraying box is hinged with the heat preservation door, the partition plate is arranged on the heat preservation door in a fitting way, the heat preservation door is provided with holes respectively arranged on two sides of the partition plate, the U-shaped support plates are respectively arranged on the preheating chamber and the two tail ends of the working chamber, the two tail ends of the U-shaped support plates penetrate through the adjacent holes and are connected with arc-shaped support frames, and the arc-shaped support frames and the U-shaped support plates form a closed loop for the transportation mechanism to encircle.
As a preferable mode of the application, the cooling device comprises a plurality of cold air cylinders which are embedded and arranged at the end part of the spraying box, the cold air cylinders are arranged around the ion spray gun, the cold air cylinders penetrate through the spraying box and are connected with an air box, and the air box is connected with the control panel.
As a preferable scheme of the application, the transportation mechanism comprises a closed track arranged on the U-shaped supporting plate and the arc-shaped supporting frame, a plurality of clamping pieces are arranged on the closed track, the bottom ends of the clamping pieces slide on the closed track through sliding blocks, a power module is arranged between the sliding blocks and the closed track, two adjacent clamping pieces are connected together through a chain, and the power module is connected with the control panel;
the clamping piece is characterized in that spring hands used for fixing the metal matrix are arranged at two ends of the clamping piece in a rotating mode, the spring hands are transversely arranged on the clamping piece and are connected with the clamping piece through rotating discs, and the rotating discs are connected with the control panel.
As a preferable mode of the present application, the U-shaped support plate provided in the working chamber is higher than the U-shaped support plate provided in the preheating chamber, and the U-shaped support plate is provided obliquely upward while passing through the slit.
The application provides an ion spraying process of a metal surface coating, which comprises the following steps:
s100, mounting the metal matrix on the clamping piece, and fixing the metal matrix through the spring hand;
s200, opening the power module and the rotating disc through the control panel, and enabling the metal matrix to sequentially enter the preheating chamber under the drive of the clamping piece;
s300, the metal substrate is driven by the power module to metal the working chamber, and the bellows and the ion spray gun are sequentially opened through the control panel, so that the surface of the metal substrate is sprayed by the ion spray gun when the temperature of the metal substrate is controlled by the bellows;
s400, opening an induced draft fan through a control panel, so that heat brought by the ion spray gun heats the preheating chamber.
As a preferred embodiment of the present application, in step S300, the method further includes the steps of:
s301, opening the heating wire through the control panel to enable the temperature in the preheating chamber to be increased to a fixed temperature;
s302, when the temperature in the preheating chamber is kept at the fixed temperature, the heating wire is controlled to stop working through the control panel.
Compared with the prior art, the application has the following beneficial effects:
according to the application, the working chamber and the preheating chamber are arranged in the spraying box, and the ion spray gun and the cooling device are arranged on the working chamber, so that the metal substrate is kept at an ideal temperature under the cold air effect of the cooling device when being sprayed, the adhesion capability of the metal surface to the coating is improved, the temperature generated by the metal substrate when being sprayed and the hot air after cold air heat exchange are both led into the preheating chamber, the equivalent sprayed metal substrate is preheated, the temperature difference between the surface temperature of the metal substrate and the coating at the earlier stage of spraying is reduced, the surface spraying effect of the metal is improved, and the multi-stage utilization of energy is realized.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic side view of an ion spraying apparatus for providing a metal surface coating according to the present application;
FIG. 2 is a schematic top view of an ion spray apparatus for providing a metal surface coating according to the present application;
FIG. 3 is a schematic view of a thermal door according to the present application;
fig. 4 is a schematic structural view of a transportation mechanism provided by the application.
Reference numerals in the drawings are respectively as follows:
1-a spraying box; 2-ion spray gun; 3-dividing plates; a 4-U-shaped supporting plate; 5-preheating the chamber; 6-a working chamber; 7-a transport mechanism; 8-a cooling device; 9-induced draft fan; 10-a heat flow channel; 11-heating wires; 12-a heat preservation door; 13-opening holes; 14-arc-shaped supporting frames;
701-closing a track; 702—a clamp; 703-a slider; 704-a chain; 705—spring hand; 706-rotating a disc;
801-a cooling air duct; 802-bellows.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 4, the application provides an ion spraying device and a process thereof for a metal surface coating, comprising a spraying box 1, wherein a spraying chamber is arranged in the spraying box 1, an ion spray gun 2 is arranged at the top end of the spraying chamber, and the ion spray gun 2 performs plasma spraying on the surface of a metal substrate fixed in the spraying chamber;
inside vertical division board 3 that is provided with of spraying cavity and encircle setting up the U type backup pad 4 in division board 3 both sides, division board 3 divide into preheating chamber 5 and working chamber 6 with the spraying cavity, U type backup pad 4 transversely pass and set up in preheating chamber 5 and working chamber 6 and slidable mounting has transport mechanism 7, transport mechanism 7 is used for driving the metal base member and removes to working chamber 6 from preheating chamber 5, ion spray gun 2 sets up at working chamber 6 tip, be provided with cooling device 8 on the working chamber 6, ion spray gun 2, transport mechanism 7 all are connected with control panel.
The spraying box 1 is a rectangular box body, the rest part is sealed, but one side is used for transporting the metal matrix on the transporting mechanism 7, the spraying box can be also connected with an air supply system and a control frame, the air supply system is a system for supplying working gas and powder gas, and the control panel is arranged on the control frame and used for automatically controlling the spraying device so as to achieve the aim of full-automatic spraying; the ion spray gun 2 is a non-transferred arc plasma generator, wherein the whole system electricity, gas, powder, water and the like are concentrated on the ion spray gun 2, and the ion spray gun 2 is also connected with a power supply for supplying direct current to the spray gun, and is usually a full-wave silicon rectifying device; the ion spray gun 2 is also connected with a powder feeder, a heat exchanger and other devices.
The devices such as the spraying box 1, the ion spray gun 2, the air supply system, the control frame, the power supply system, the powder feeder, the heat exchanger and the like are all the prior art of plasma spraying, and a fully-prepared device system can be obtained through simple retrieval and is not described in detail herein.
In the process of equal particle spraying, the process parameters influencing the quality of the coating are many, and the ideal workpiece to be sprayed is to preheat the workpiece to the temperature to be reached in the spraying process before spraying, and then the workpiece is subjected to the measures of air injection cooling in the spraying process, so that the workpiece is kept at the original temperature. In this embodiment, in order to preheat the metal substrate, the spraying chamber is divided into a preheating chamber 5 and a working chamber 6, the preheating chamber 5 and the working chamber 6 are separated by a partition plate 3 made of metal, when the ion spray gun 2 sprays the metal substrate in the working chamber 6, another waiting metal substrate stays in the preheating chamber 5, when the working chamber 6 starts to work, a higher temperature is generated, and at this time, the partition plate 3 guides the temperature to the preheating zone so that the work in the preheating chamber 5 is raised to a certain ideal temperature.
In order to further improve the spraying effect of the surface of the metal matrix, a cooling device 8 is arranged on the working chamber 6, inert gas with lower temperature is arranged in the cooling device 8, when the working chamber 6 works, the cooling device 8 exchanges heat with the metal matrix with the temperature rapidly increased due to spraying in the working chamber 6, so that the temperature of the matrix is kept at an ideal temperature, the inert gas after heat exchange flows from the working chamber 6 to the preheating chamber 5, the metal matrix in the preheating chamber 5 is preheated, the multi-stage utilization of energy is realized, the surface temperature difference before and after metal spraying is reduced, and the surface spraying effect of metal is improved.
In this embodiment, the upper end and one side laminating of division board 3 set up on the inner wall of spraying case 1, are provided with the heat flow channel between the bottom of division board 3 and spraying case 1, are formed with the gap and U type backup pad 4 passes and set up on the gap between the other side of division board 3 and spraying case 1.
The upper end of division board 3 welds on spray box 1, and in order to prevent cold air directly from working chamber 6 entering preheating chamber 5, one side laminating of division board 3 sets up on spray box 1, prevents the escape of cold air. When cold air is blown onto the metal substrate from top to bottom, the cold air is heated to a certain temperature, and the heated air flows into the preheating chamber 5 from the heat flow channel to realize the flow of air, and particularly, the common spraying box 1 is internally provided with a circulating inert gas working system, and the air receiving port of the inert gas working system is arranged in the preheating chamber 5, so that the preheating chamber 5 maintains a certain negative pressure environment.
After the metal matrix in the working chamber 6 is sprayed, the U-shaped supporting plate 4 passes through the partition plate 3, the sprayed metal matrix is transported to the spraying box 1 through the transport mechanism 7, the preheated metal matrix is transported to the working chamber 6 from the gap, the ion spray gun 2 is controlled to spray the metal matrix under the action of the control panel, and at the moment, a new metal matrix is transported to the preheating chamber 5 in a chain mode for preheating. The device is a reciprocating circulation device, can preheat and spray simultaneously and continuously, and has high energy utilization rate and high working efficiency.
Preferably, in order to further improve the circulation efficiency of the heat exchange gas, the bottom of the partition plate 3 is provided with an induced draft fan 9, the induced draft fan 9 is arranged on the heat flow channel 10, an air inlet of the induced draft fan 9 is arranged in the working chamber 6, an air outlet of the induced draft fan 9 is arranged in the preheating chamber 5, and the induced draft fan 9 is connected with the control panel. The induced draft fan 9 is used for introducing the heating gas in the working chamber 6 into the preheating chamber 5 so as to quickly improve the air temperature in the preheating chamber 5 and prevent the heated gas from rising to the metal matrix again in the working chamber 6, thereby influencing the temperature control.
Preferably, the air outlet of the induced draft fan 9 is internally provided with a heating wire 11, the heating wire 11 is provided with a temperature controller, and the temperature controller is connected with a control panel.
Because in this embodiment, the metal substrates enter sequentially, and the previous metal substrate provides a preheating environment for the metal substrates entering sequentially, when in production, the metal substrate produced by the first metal substrate often has no preheating environment, the quality of the metal substrate is different from that of other products, in order to eliminate the difference and improve the quality of the products, the heating wire 11 is arranged inside the induced draft fan 9, the heating wire 11 can provide an initial preheating environment for the preheating chamber 5, and the environment temperature can be controlled during working, and the machine can be stopped when the environment temperature reaches the required ideal temperature.
In this embodiment, the side of spraying case 1 articulates there is thermal insulation door 12, and the division board laminating sets up on thermal insulation door 12, is provided with the trompil 13 of installing respectively in division board 3 both sides on the thermal insulation door 12, and U type backup pad 4 set up respectively at preheating chamber and work cavity's two ends are passed adjacent trompil 13 and are connected with arc support frame 14, and arc support frame 14 and U type backup pad 4 constitute the closed loop that supplies transport mechanism 7 to encircle.
The heat-insulating door 12 is a hinged door which is opened and closed up and down, and is in a two-leaf structure, the upper leaf and the lower leaf are respectively hinged at the upper edge and the lower edge of the spraying box 1, the heat-insulating door is not limited by the U-shaped supporting plate 4 when opened, and the heat-insulating door and the upper leaf and the lower leaf are jointly formed into an open pore 13 structure when closed, and the open pore 13 structure is only used for the U-shaped supporting plate 4 and the conveying mechanism 7 to pass through.
In order to further improve the surface spraying quality of the metal matrix, the U-shaped supporting plate 4 and the arc-shaped supporting frame 14 form a closed loop structure, when the quality of the metal matrix after the spraying is poor, the metal matrix with the quality meeting the standard can be selected for circulating coating, and the metal matrix with the quality meeting the standard can be directly taken down.
In this embodiment, the cooling device 8 comprises a plurality of cold air cylinders 801 which are embedded and arranged at the end part of the spraying box 1, the cold air cylinders 801 are installed around the ion spray gun 2, the cold air cylinders 801 penetrate through the spraying box 1 and are connected with an air box 802, and the air box 802 is connected with a control panel.
The bellows 802 provides a relatively low temperature inert gas which is sprayed onto the metal substrate under the flow of the cold air drum 801 for cooling the metal substrate within a suitable range, wherein the flow rate and temperature of the gas provided by the bellows 802 can be controlled by the control panel.
In this embodiment, the transporting mechanism 7 includes a closed track 701 disposed on the U-shaped supporting plate 4 and the arc-shaped supporting frame 14, a plurality of clamping members 702 are disposed on the closed track 701, the bottom ends of the clamping members 702 slide on the closed track 701 through sliding blocks 703, a power module is disposed between the sliding blocks 703 and the closed track 701, two adjacent clamping members 702 are connected together through a chain 704, and the power module is connected with the control panel;
the spring hand 705 that is used for fixed metal base member is provided with in the rotation of the both ends of holder 702, and spring hand 705 transversely sets up on holder 702 and is connected through rotating disk 706 between spring hand 705 and the holder 702 on one side, and rotating disk 706 is connected with control panel.
When the spraying device is used, a plurality of metal matrixes are sequentially arranged on the clamping piece 702, the metal matrixes are completely fixed through the two spring hands 705, the clamping piece 702 arranged in the working chamber 6 does not need to be provided with the metal matrixes, the metal matrixes sequentially enter the preheating chamber 5 and enter the working chamber 6 under the driving of the clamping piece 702, and the rotating disk 706 drives the metal matrixes to rotate in the revolution process so as to finish spraying. Wherein the power module is the prior art, the rotating disc 706 is the prior art, and the motion rates of the power module and the rotating disc 706 are controlled by the control panel.
Preferably, the U-shaped support plate 4 provided in the working chamber 6 is disposed higher than the U-shaped support plate 4,U-shaped support plate 4 provided in the preheating chamber 5 to be inclined upward while passing through the slit.
The clamping piece 702 needs to complete a turn at the side gap of the partition plate 3, the smaller the curvature radius of the turn is, the more difficult the turn is, so the turn radius of the turn needs to be increased, the turn radius is increased by adopting a height difference mode, the height of the clamping piece 702 at the preheating chamber 5 is lower, the distance from the heating air can be reduced, and the preheating effect is improved.
An ion spray process for a metal surface coating, comprising the steps of:
s100, mounting a metal matrix on a clamping piece, and fixing the metal matrix through a spring hand;
s200, opening the power module and the rotating disc through the control panel, and enabling the metal matrix to sequentially enter the preheating chamber under the drive of the clamping piece and rotate;
s300, a metal substrate is driven by a power module to sequentially open an air box and an ion spray gun through a control panel, so that the surface of the metal substrate is sprayed by the ion spray gun when the temperature of the metal substrate is controlled by the air box;
s400, the induced draft fan is turned on through the control panel, so that heat brought by the ion spray gun heats the preheating chamber.
Preferably, in step S300, the method further includes the steps of:
s301, opening a heating wire through a control panel to enable the temperature in the preheating chamber to be increased to a fixed temperature;
s302, when the temperature in the preheating chamber is kept at a fixed temperature, the heating wire is controlled to stop working through the control panel.
Through the ion spraying device and the ion spraying process of the metal surface coating, the metal substrate can reach the ideal temperature before being sprayed, is cooled and kept at the ideal temperature in the spraying process, and the working temperature during spraying is introduced to the preheating work, so that the multistage utilization of energy is realized.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (6)
1. The ion spraying device for the metal surface coating is characterized by comprising a spraying box (1), wherein a spraying cavity is arranged in the spraying box (1), an ion spray gun (2) is arranged at the top end of the spraying cavity, and the ion spray gun (2) performs plasma spraying on the surface of a metal substrate fixed in the spraying cavity;
the spraying chamber is internally and vertically provided with a separation plate (3) and U-shaped support plates (4) which are arranged on two sides of the separation plate (3) in a surrounding mode, the separation plate (3) divides the spraying chamber into a preheating chamber (5) and a working chamber (6), the U-shaped support plates (4) transversely penetrate through the preheating chamber (5) and the working chamber (6) and are provided with a conveying mechanism (7) in a sliding mode, the conveying mechanism (7) is used for driving a metal substrate to move from the preheating chamber (5) to the working chamber (6), the ion spray gun (2) is arranged at the end portion of the working chamber (6), a cooling device (8) is arranged on the working chamber (6), and the ion spray gun (2) and the conveying mechanism (7) are connected with a control panel;
the upper end and one side of the partition plate (3) are attached to the inner wall of the spraying box (1), a heat flow channel (10) is arranged between the bottom of the partition plate (3) and the spraying box (1), a gap is formed between the other side of the partition plate (3) and the spraying box (1), and the U-shaped support plate (4) passes through the gap;
an induced draft fan (9) is arranged at the bottom of the partition plate (3), the induced draft fan (9) is arranged on the heat flow channel (10), an air inlet of the induced draft fan (9) is arranged in the working chamber (6), an air outlet of the induced draft fan (9) is arranged in the preheating chamber (5), and the induced draft fan (9) is connected with the control panel;
a heating wire (11) is arranged in an air outlet of the induced draft fan (9), a temperature controller is arranged on the heating wire (11), and the temperature controller is connected with the control panel;
the cooling device (8) comprises a plurality of cold air cylinders (801) which are embedded and arranged at the end part of the spraying box (1), the cold air cylinders (801) are arranged around the ion spray gun (2), the cold air cylinders (801) penetrate through the spraying box (1) and are connected with an air box (802), and the air box (802) is connected with the control panel;
the upper end of the partition plate (3) is welded on the spraying box (1), and in order to prevent cold air from directly entering the preheating chamber (5) from the working chamber (6), one side of the partition plate (3) is attached to the spraying box (1) to prevent the cold air from escaping; and when cold air blows onto the metal substrate from top to bottom, the cold air is heated to a certain temperature, and the heated air enters the preheating chamber (5) from the heat flow channel (10) at the moment, so that the flow of the air is realized, a circulating inert gas working system is arranged in the spraying box (1), and an air receiving port of the inert gas working system is arranged in the preheating chamber (5), so that the preheating chamber (5) maintains a certain negative pressure environment.
2. The ion spraying device for the metal surface coating according to claim 1, wherein a heat preservation door (12) is hinged to the side edge of the spraying box (1), the partition plate is attached to the heat preservation door (12), holes (13) respectively arranged on two sides of the partition plate (3) are formed in the heat preservation door (12), the U-shaped support plates (4) are respectively arranged in the preheating chamber and the two tail ends of the working chamber, the two tail ends of the U-shaped support plates penetrate through the adjacent holes (13) to be connected with arc-shaped support frames (14), and the arc-shaped support frames (14) and the U-shaped support plates (4) form a closed loop for the transportation mechanism (7) to encircle.
3. The ion spraying device for metal surface coating according to claim 2, wherein the transport mechanism (7) comprises a closed track (701) arranged on the U-shaped supporting plate (4) and the arc-shaped supporting frame (14), a plurality of clamping pieces (702) are arranged on the closed track (701), the bottom ends of the clamping pieces (702) slide on the closed track (701) through sliding blocks (703), a power module is arranged between the sliding blocks (703) and the closed track (701), two adjacent clamping pieces (702) are connected together through a chain (704), and the power module is connected with the control panel;
the clamping piece (702) is characterized in that spring hands (705) used for fixing the metal substrate are rotatably arranged at two ends of the clamping piece (702), the spring hands (705) are transversely arranged on the clamping piece (702) and are connected with the clamping piece (702) through rotating discs (706), and the rotating discs (706) are connected with the control panel.
4. A metal surface coated ion spraying device according to claim 3, characterized in that the U-shaped support plate (4) arranged in the working chamber (6) is higher than the U-shaped support plate (4) arranged in the preheating chamber (5), the U-shaped support plate (4) being arranged obliquely upwards when passing through the gap.
5. A spraying process of an ion spraying device for metal surface coating according to any one of claims 1 to 4, characterized by comprising the steps of:
s100, mounting the metal matrix on a clamping piece, and fixing the metal matrix through a spring hand;
s200, opening a power module and a rotating disc through the control panel, wherein the metal matrix sequentially enters the preheating chamber under the drive of the clamping piece;
s300, the metal substrate is driven by the power module to metal the working chamber, and the bellows and the ion spray gun are sequentially opened through the control panel, so that the surface of the metal substrate is sprayed by the ion spray gun when the temperature of the metal substrate is controlled by the bellows;
s400, opening an induced draft fan through a control panel, so that heat brought by the ion spray gun heats the preheating chamber.
6. The spraying process of an ion spraying device for metal surface coating according to claim 5, further comprising the steps of, in step S300:
s301, opening the heating wire through the control panel to enable the temperature in the preheating chamber to be increased to a fixed temperature;
s302, when the temperature in the preheating chamber is kept at the fixed temperature, the control panel is used for controlling the heating wire to stop working.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210160973.6A CN114672757B (en) | 2022-02-22 | 2022-02-22 | Ion spraying device and process for metal surface coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210160973.6A CN114672757B (en) | 2022-02-22 | 2022-02-22 | Ion spraying device and process for metal surface coating |
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| CN114672757A CN114672757A (en) | 2022-06-28 |
| CN114672757B true CN114672757B (en) | 2023-12-12 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206817925U (en) * | 2017-06-14 | 2017-12-29 | 天津市春鹏预应力钢绞线有限公司 | A kind of cable production line processing drying unit |
| CN208707976U (en) * | 2018-07-17 | 2019-04-05 | 江苏利伟智能制造有限公司 | A kind of electric heating heating film process units |
| CN210425798U (en) * | 2019-06-26 | 2020-04-28 | 广州惠特节能科技有限公司 | Multistage heat recovery air-source heat pump drying equipment |
| CN113198698A (en) * | 2021-05-06 | 2021-08-03 | 刘华 | Vertical intelligent multi-azimuth electrostatic painting method |
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2022
- 2022-02-22 CN CN202210160973.6A patent/CN114672757B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206817925U (en) * | 2017-06-14 | 2017-12-29 | 天津市春鹏预应力钢绞线有限公司 | A kind of cable production line processing drying unit |
| CN208707976U (en) * | 2018-07-17 | 2019-04-05 | 江苏利伟智能制造有限公司 | A kind of electric heating heating film process units |
| CN210425798U (en) * | 2019-06-26 | 2020-04-28 | 广州惠特节能科技有限公司 | Multistage heat recovery air-source heat pump drying equipment |
| CN113198698A (en) * | 2021-05-06 | 2021-08-03 | 刘华 | Vertical intelligent multi-azimuth electrostatic painting method |
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| CN114672757A (en) | 2022-06-28 |
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