CN110724950A - Low-pressure cold spraying repair device for aluminum alloy shell and application method of low-pressure cold spraying repair device - Google Patents
Low-pressure cold spraying repair device for aluminum alloy shell and application method of low-pressure cold spraying repair device Download PDFInfo
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- CN110724950A CN110724950A CN201911121666.1A CN201911121666A CN110724950A CN 110724950 A CN110724950 A CN 110724950A CN 201911121666 A CN201911121666 A CN 201911121666A CN 110724950 A CN110724950 A CN 110724950A
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- spraying
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- repair device
- pressure cold
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- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
Abstract
The invention relates to the technical field of cold spray repair devices, in particular to a low-pressure cold spray repair device of an aluminum alloy shell and a using method thereof. The invention has the advantages of good spraying effect and convenient use.
Description
Technical Field
The invention relates to the technical field of cold spray repair devices, in particular to a low-pressure cold spray repair device for an aluminum alloy shell and a using method of the low-pressure cold spray repair device.
Background
The cold spraying repair is also called supersonic speed low pressure cold spraying repair, is a new metal spraying process, is different from the traditional hot spraying (ultra-speed flame spraying, plasma spraying, explosion spraying and the like), does not need to melt the sprayed metal particles, and the temperature generated on the surface of the sprayed substrate is generally not more than 150 ℃. The cold spraying technology is characterized in that compressed gas generates supersonic airflow through a convergent-divergent Laval tube, powder is axially conveyed into the supersonic airflow to form gas-solid dual-phase flow, the gas-solid dual-phase flow is accelerated and then impacts a substrate in a completely solid state to generate large plastic deformation, and the large plastic deformation is deposited on the surface of the substrate to form a coating. The low pressure cold spray prosthetic devices of current aluminum alloy casing is in the use, and the most feed quantity that can not comparatively accurate control material appears too much or too little condition easily, causes the spraying effect poor to when the aluminum alloy casing repair position in the face of great area, need the continuous reciprocating motion on the repair position of making a round trip with the hand of user, cover with the complete repair position, operate for a long time, it is very big to user's physical burden.
Disclosure of Invention
The invention aims to solve the defects of poor spraying effect and inconvenience in use in the prior art, and provides a low-pressure cold spraying repair device for an aluminum alloy shell and a use method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the low-pressure cold spraying repair device for the aluminum alloy shell comprises a cart, wherein an oil tank is fixedly arranged on the upper surface of the cart, an air heater main body is fixedly arranged on the oil tank, a smoke outlet pipe is fixedly arranged on the air heater main body, a support piece is fixedly arranged on the upper surface of the cart, a mixed pipe body is fixedly welded at the top of the support piece, the air inlet end of the mixed pipe body is fixedly connected with the air outlet of the air heater main body through a connecting pipe, a support plate corresponding to the mixed pipe body is fixedly arranged on the upper surface of the cart, a fixing ring corresponding to the mixed pipe body is fixedly arranged on the inner side surface of the upper portion of the support plate, a barrel body matched with the fixing ring is sleeved in the fixing ring, the bottom end of the barrel body is communicated with the upper portion inside the mixed pipe body through a material guide pipe body, a, the terminal fixed mounting of hose has the shower nozzle, one end fixed mounting has the fixed plate on the shallow, fixed mounting has the spraying mechanism corresponding with the shower nozzle on the fixed plate, the shower nozzle card is established on the spraying mechanism.
Preferably, feeding mechanism includes bung, pivot, spiral feeding blade, carousel, the bung is installed to barrel top screw thread, the rotatable pivot of installing of centre department on the bung, pivot bottom downwardly extending to the passage is internal, the pivot is located the fixed spiral feeding blade that is equipped with on the internal axis body of passage, pivot top fixed mounting has the carousel.
Preferably, the outer wall of the upper part of the cylinder body is provided with a bent pipe in a penetrating manner, and the top end of the bent pipe is fixedly provided with a funnel.
Preferably, the spraying mechanism includes threaded rod, threaded sleeve, stores pylon, inserted bar, rotatable the installing of surface has the threaded rod on the fixed plate, the threaded sleeve is equipped with threaded sleeve to the screw thread cover on the body of rod of the threaded rod of fixed plate top, one side fixed weld has the sleeve on the telescopic outer wall of thread, the fixed welding of opposite side has the stores pylon on the telescopic outer wall of thread, the inserted bar has been inserted in the sleeve, the bottom mounting weld of inserted bar is on the fixed plate, fixedly connected with actuating mechanism behind the fixed plate is passed to the threaded rod bottom.
Preferably, actuating mechanism includes first gear, second gear, servo motor, threaded rod bottom fixed mounting has first gear, fixed surface installs servo motor under the fixed plate, fixed mounting has the second gear with first gear looks meshing on servo motor's the output shaft end.
The invention also provides a use method of the low-pressure cold spray repair device for the aluminum alloy shell, which comprises the following steps:
(1) checking the residual amount of fuel in the oil tank 1, adding oil into the oil tank 1 if the storage amount is insufficient, and then starting the air heater main body 1 to preheat so as to control the outlet air temperature to be between 100 and 150 ℃;
(2) after the air heater main body 1 is preheated, spraying materials are added into the barrel body 1, the rotating shaft 13 is driven to rotate through the rotating turntable 15, so that the spiral feeding blades 14 are driven to feed materials, the materials in the barrel body 1 are fed into the mixing pipe body 6 to be mixed with hot air, the materials are sprayed out of the spray head 20 after being mixed, and whether the concentration of gas sprayed out of the spray head 20 meets the spraying requirement or not is visually observed;
(3) after the concentration of the material sprayed by the spray head 20 is visually observed to meet the spraying requirement, the device is integrally aligned to the repaired part of the aluminum alloy shell, and then the servo motor 224 is controlled to drive the threaded sleeve 225 on the threaded rod 221 to reciprocate up and down, so that the spray head 20 is driven to reciprocate up and down to spray the repaired part on the surface of the shell in a reciprocating manner, and a better repairing effect is obtained;
(4) and after the spraying is finished, closing the air heater main body 1, and then pushing the whole device away.
The low-pressure cold spraying repair device for the aluminum alloy shell and the use method thereof have the beneficial effects that: by arranging the feeding mechanism, the feeding amount of the material can be more accurately controlled, so that a better spraying effect is obtained; through setting up spraying mechanism, can utilize spraying mechanism to drive the shower nozzle and do vertical reciprocating motion to can carry out long-time stable spraying operation to restoreing the position, reduce workman's work burden, the spraying effect is better.
Drawings
FIG. 1 is a first structural schematic diagram of a low-pressure cold spray repair device for an aluminum alloy shell and a use method thereof according to the present invention;
FIG. 2 is a structural schematic diagram of a low-pressure cold spray repair device for an aluminum alloy shell and a use method thereof according to the present invention;
FIG. 3 is a schematic view of the internal structure of the barrel and the mixing tube of the low-pressure cold spray repair device for aluminum alloy shell and the use method thereof according to the present invention;
fig. 4 is a schematic structural view of a low-pressure cold spray repair device for an aluminum alloy shell and a spraying mechanism of a using method thereof.
In the figure: the device comprises a cart 1, an oil tank 2, a hot air blower main body 3, a smoke outlet pipe 4, a support piece 5, a mixing pipe body 6, a connecting pipe 7, a supporting plate 8, a fixing ring 9, a cylinder body 10, a barrel cover 11, a guide pipe body 12, a rotating shaft 13, a spiral feeding blade 14, a rotating disc 15, an elbow pipe 16, a funnel 17, a connector 18, a hose 19, a spray head 20, a fixing plate 21, a spraying mechanism 22, a threaded rod 221, a first gear 222, a second gear 223, a servo motor 224, a threaded sleeve 225, a sleeve 226, a hanging rack 227 and an inserted rod 228.
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.
Example 1
Referring to fig. 1-4, a low-pressure cold spray repairing device of an aluminum alloy shell and a using method thereof, comprising a cart 1, an oil tank 2 is fixedly arranged on the upper surface of the cart 1, an air heater main body 3 is fixedly arranged on the oil tank 2, a smoke outlet pipe 4 is fixedly arranged on the air heater main body 3, a support member 5 is fixedly arranged on the upper surface of the cart 1, a mixing pipe body 6 is fixedly welded on the top of the support member 5, the air inlet end of the mixing pipe body 6 is fixedly connected with the air outlet of the air heater main body 3 through a connecting pipe 7, a support plate 8 corresponding to the mixing pipe body 6 is fixedly arranged on the upper surface of the cart 1, a fixing ring 9 corresponding to the mixing pipe body 6 is fixedly arranged on the inner side surface of the upper part of the support plate 8, a cylinder 10 matched with the fixing ring 9 is sleeved in the fixing ring 9, the bottom, the air outlet end of the mixing tube body 6 is connected with a hose 19 through a connector 18, the tail end of the hose 19 is fixedly provided with a spray head 20, one end of the cart 1 is fixedly provided with a fixing plate 21, the fixing plate 21 is fixedly provided with a spraying mechanism 22 corresponding to the spray head 20, and the spray head 20 is clamped on the spraying mechanism 22.
The feeding mechanism comprises a barrel cover 11, a rotating shaft 13, spiral feeding blades 14 and a rotary disc 15, the barrel cover 11 is installed at the top end of the barrel 10 in a threaded mode, the rotating shaft 13 is rotatably installed in the middle of the upper portion of the barrel cover 11, the bottom end of the rotating shaft 13 extends downwards into the material guide pipe body 12, the spiral feeding blades 14 are fixedly arranged on a shaft body of the rotating shaft 13 located in the material guide pipe body 12, and the rotary disc 15 is fixedly installed at the top end of the rotating shaft 13.
The spraying mechanism 22 comprises a threaded rod 221, a threaded sleeve 225, a sleeve 226, a hanging rack 227, an inserted link 228, the threaded rod 221 is rotatably mounted on the upper surface of the fixed plate 21, the threaded sleeve 225 is sleeved on a rod body of the threaded rod 221 above the fixed plate 21 through threads, the sleeve 226 is fixedly welded on one side of the outer wall of the threaded sleeve 225, the hanging rack 227 is fixedly welded on the other side of the outer wall of the threaded sleeve 225, the inserted link 228 is inserted into the sleeve 226, the bottom end of the inserted link 228 is fixedly welded on the fixed plate 21, and the bottom end of the threaded rod 221 penetrates through the fixed plate.
The driving mechanism comprises a first gear 222, a second gear 223 and a servo motor 224, the first gear 222 is fixedly installed at the bottom end of the threaded rod 221, the servo motor 224 is fixedly installed on the lower surface of the fixing plate 21, and the second gear 223 meshed with the first gear 222 is fixedly installed at the tail end of an output shaft of the servo motor 224.
The invention also provides a use method of the low-pressure cold spray repair device for the aluminum alloy shell, which comprises the following steps:
(1) checking the residual amount of fuel in the oil tank 1, adding oil into the oil tank 1 if the storage amount is insufficient, and then starting the air heater main body 1 to preheat so as to control the outlet air temperature to be between 100 and 150 ℃;
(2) after the air heater main body 1 is preheated, spraying materials are added into the barrel body 1, the rotating shaft 13 is driven to rotate through the rotating turntable 15, so that the spiral feeding blades 14 are driven to feed materials, the materials in the barrel body 1 are fed into the mixing pipe body 6 to be mixed with hot air, the materials are sprayed out of the spray head 20 after being mixed, and whether the concentration of gas sprayed out of the spray head 20 meets the spraying requirement or not is visually observed;
(3) after the concentration of the material sprayed by the spray head 20 is visually observed to meet the spraying requirement, the device is integrally aligned to the repaired part of the aluminum alloy shell, and then the servo motor 224 is controlled to drive the threaded sleeve 225 on the threaded rod 221 to reciprocate up and down, so that the spray head 20 is driven to reciprocate up and down to spray the repaired part on the surface of the shell in a reciprocating manner, and a better repairing effect is obtained;
(4) and after the spraying is finished, closing the air heater main body 1, and then pushing the whole device away.
When the hot air spraying device is used, hot air blown out of the hot air blower main body 1 is mixed with materials in the mixing pipe body 6 to form air-solid double flow, and then the air-solid double flow is sprayed out of the spray head 20, so that the repaired part on the surface of the aluminum alloy shell is sprayed.
Example 2
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that an elbow 16 is penetrated through the outer wall of the upper part of the cylinder 10, and a funnel 17 is fixedly installed at the top end of the elbow 16. Through adding the material in the barrel 10 with funnel 17 mutually, more convenient need not open bung 11, has reduced staff's operation volume.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The low-pressure cold spray repair device for the aluminum alloy shell comprises a trolley (1) and is characterized in that an oil tank (2) is fixedly mounted on the upper surface of the trolley (1), an air heater main body (3) is fixedly mounted on the oil tank (2), a smoke outlet pipe (4) is fixedly mounted on the air heater main body (3), a support piece (5) is fixedly mounted on the upper surface of the trolley (1), a mixed pipe body (6) is fixedly welded on the top of the support piece (5), the air inlet end of the mixed pipe body (6) is fixedly connected with the air outlet of the air heater main body (3) through a connecting pipe (7), a support plate (8) corresponding to the mixed pipe body (6) is fixedly mounted on the upper surface of the trolley (1), a fixing ring (9) corresponding to the mixed pipe body (6) is fixedly mounted on the inner side of the upper portion of the support plate (8), and a barrel body (10) matched with the fixing ring (9, the utility model discloses a spraying mechanism, including barrel (10), mixing body (6), end fixed mounting, one end fixed mounting has fixed plate (21) on shallow (1), fixed mounting has spraying mechanism (22) corresponding with spraying head (20) on fixed plate (21), spraying mechanism (20) card is established on spraying mechanism (22) to barrel (10) bottom through guide body (12) and mixing body (6) inside top and is linked together, fixed mounting has feeding mechanism in barrel (10), the end of giving vent to anger of mixing body (6) is connected with hose (19) through connector (18), the terminal fixed mounting of hose (19) has shower nozzle (20).
2. The low-pressure cold spray repair device for the aluminum alloy shell according to claim 1, wherein the feeding mechanism comprises a barrel cover (11), a rotating shaft (13), a spiral feeding blade (14) and a rotating disc (15), the barrel cover (11) is installed at the top end of the barrel body (10) in a threaded manner, the rotating shaft (13) is rotatably installed at the center of the barrel cover (11), the bottom end of the rotating shaft (13) extends downwards into the material guide pipe body (12), the spiral feeding blade (14) is fixedly arranged on a shaft body of the rotating shaft (13) located in the material guide pipe body (12), and the rotating disc (15) is fixedly installed at the top end of the rotating shaft (13).
3. The low-pressure cold spray repair device for the aluminum alloy shell is characterized in that an elbow (16) penetrates through the outer wall of the upper part of the cylinder (10), and a funnel (17) is fixedly mounted at the top end of the elbow (16).
4. The low-pressure cold spray repair device for aluminum alloy shells according to claim 1, the spraying mechanism (22) comprises a threaded rod (221), a threaded sleeve (225), a sleeve (226), a hanging rack (227) and an inserted rod (228), a threaded rod (221) is rotatably arranged on the upper surface of the fixed plate (21), a threaded sleeve (225) is sleeved on a rod body of the threaded rod (221) above the fixed plate (21) in a threaded manner, a sleeve (226) is fixedly welded on one side of the outer wall of the threaded sleeve (225), a hanging rack (227) is fixedly welded on the other side of the outer wall of the threaded sleeve (225), an inserting rod (228) is inserted into the sleeve (226), the bottom end of the inserting rod (228) is fixedly welded on the fixing plate (21), and the bottom end of the threaded rod (221) penetrates through the fixing plate and then is fixedly connected with a driving mechanism.
5. The low-pressure cold spray repair device for the aluminum alloy shell as claimed in claim 4, wherein the driving mechanism comprises a first gear (222), a second gear (223) and a servo motor (224), the first gear (222) is fixedly installed at the bottom end of the threaded rod (221), the servo motor (224) is fixedly installed on the lower surface of the fixing plate (21), and the second gear (223) meshed with the first gear (222) is fixedly installed at the tail end of the output shaft of the servo motor (224).
6. The use method of the low-pressure cold spray repair device for the aluminum alloy shell as recited in any one of claims 1 to 5, is characterized by comprising the following steps:
(1) checking the residual amount of fuel in the oil tank 1, adding oil into the oil tank 1 if the storage amount is insufficient, and then starting the air heater main body 1 to preheat so as to control the outlet air temperature to be between 100 and 150 ℃;
(2) after the air heater main body 1 is preheated, spraying materials are added into the barrel body 1, the rotating shaft 13 is driven to rotate through the rotating turntable 15, so that the spiral feeding blades 14 are driven to feed materials, the materials in the barrel body 1 are fed into the mixing pipe body 6 to be mixed with hot air, the materials are sprayed out of the spray head 20 after being mixed, and whether the concentration of gas sprayed out of the spray head 20 meets the spraying requirement or not is visually observed;
(3) after the concentration of the material sprayed by the spray head 20 is visually observed to meet the spraying requirement, the device is integrally aligned to the repaired part of the aluminum alloy shell, and then the servo motor 224 is controlled to drive the threaded sleeve 225 on the threaded rod 221 to reciprocate up and down, so that the spray head 20 is driven to reciprocate up and down to spray the repaired part on the surface of the shell in a reciprocating manner, and a better repairing effect is obtained;
(4) and after the spraying is finished, closing the air heater main body 1, and then pushing the whole device away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121666.1A CN110724950A (en) | 2019-11-15 | 2019-11-15 | Low-pressure cold spraying repair device for aluminum alloy shell and application method of low-pressure cold spraying repair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121666.1A CN110724950A (en) | 2019-11-15 | 2019-11-15 | Low-pressure cold spraying repair device for aluminum alloy shell and application method of low-pressure cold spraying repair device |
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| CN110724950A true CN110724950A (en) | 2020-01-24 |
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| CN201911121666.1A Pending CN110724950A (en) | 2019-11-15 | 2019-11-15 | Low-pressure cold spraying repair device for aluminum alloy shell and application method of low-pressure cold spraying repair device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602674A (en) * | 2022-03-17 | 2022-06-10 | 湖南工业职业技术学院 | Multi-dimensional automatic spraying machine |
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| CN208733443U (en) * | 2018-07-25 | 2019-04-12 | 姚桂玲 | A kind of efficient spray equipment of highway communication line |
| CN110252550A (en) * | 2019-06-26 | 2019-09-20 | 郑冬梅 | A kind of antirust paint spray equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU7541181A (en) * | 1980-09-22 | 1982-04-01 | Arnold Robert Berry | Spray gun reciprocating device |
| CN1762609A (en) * | 2004-10-22 | 2006-04-26 | 中国科学院力学研究所 | A kind of method and device with the powder feeding of nano particle powder equal and quantitative |
| CN106140549A (en) * | 2016-08-30 | 2016-11-23 | 温州职业技术学院 | Valve outer surface automatic spraying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114602674A (en) * | 2022-03-17 | 2022-06-10 | 湖南工业职业技术学院 | Multi-dimensional automatic spraying machine |
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