CN206328448U - A kind of thermal spraying apparatus - Google Patents
A kind of thermal spraying apparatus Download PDFInfo
- Publication number
- CN206328448U CN206328448U CN201621306685.3U CN201621306685U CN206328448U CN 206328448 U CN206328448 U CN 206328448U CN 201621306685 U CN201621306685 U CN 201621306685U CN 206328448 U CN206328448 U CN 206328448U
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- China
- Prior art keywords
- spraying
- thermal
- model
- utility
- compressed air
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- 238000007751 thermal spraying Methods 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 4
- 150000002367 halogens Chemical class 0.000 claims abstract description 4
- 229910052724 xenon Inorganic materials 0.000 claims abstract description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 15
- 230000008021 deposition Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 239000011159 matrix material Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model provides a kind of thermal spraying apparatus, and the equipment includes the spray gun (2) and at least one thermal source for thermal spraying, and the thermal source is arranged on the position that can be heated to the area to be sprayed that spray gun will be moved to.Thermal source used in the utility model can select the one or more in xenon lamp, Halogen lamp LED, infrared heating etc. and laser.By using the technical solution of the utility model, when cold snap sprays certain heavy parts, substrate temperature maintains 100 DEG C or so, the deposition efficiency greatly improved, deposition efficiency brings up to 20% by 15%, the powder of saving and energy resource consumption, improves production efficiency.
Description
Technical field
The utility model is related to field of machining, is specifically related to field of thermal spray, more particularly to a kind of heat
Spraying equipment.
Background technology
Thermal spraying has simple to operate, low cost and prepares the features such as workpiece universal is strong, in Aero-Space, steel, ore deposit
The fields such as production, automobile have been widely used.Thermal spraying is to utilize certain thermal source (such as electric arc, plasma spraying or burning
Flame etc.) powdered or thread metal or nonmetallic materials are heated to melting or semi-molten state, then by flame stream sheet
Body or compressed air are ejected into pretreated matrix surface, deposition with certain speed and form the surface with various functions and apply
A kind of technology of layer.
The surface state of matrix has a significant impact to the quality of hot-spraying coating.Wherein, knot of the temperature of matrix to coating
Intensity, stress state, the deposition efficiency of spraying is closed to have a significant impact.In spraying process, the substrate temperature general control of part exists
150 DEG C or so；The functional coating of some particular/special requirements even requires that substrate temperature reaches 600 DEG C.
For small-sized part, part thermal capacity is small, and radiating is slow, and the spraying interval of the same area is short, base in spraying process
Body is easily overheated, it is necessary to be purged to reach reduction substrate temperature using compressed air.For heavy parts, part thermal capacity
Greatly, rapid heat dissipation, the spraying interval of the same area is long, and substrate temperature is difficult rise；Need to use compression empty in spraying process simultaneously
Air-blowing, which is swept, does not deposit dust, also reduces substrate temperature.
In current actual hot-spraying coating preparation process, substrate temperature is preheated generally by spray gun, resistance furnace is carried
Compressed air purging in preceding preheating and spraying process is controlled, but process above all compares the accuracy of temperature control of matrix
Difference, is difficult the temperature for improving matrix area to be sprayed for large-scale part.
A kind of matrix temperature control device (Granted publication for thermal spraying of the coloured institute Deng Chunming in Guangzhou et al. utility model
Number：CN203200333U), the device can suitably adjust the temperature of matrix at some according to the type of matrix and sprayed on material
On temperature spot.The device is cleverly combined into matrix temperature control dress using matrix temperature controller, substrate temperature connection box and sample clamp
The structure put, realizes and carries out precise control to substrate temperature.The device is especially suitable for the control of test piece substrate temperature, but is not suitable for
The substrate temperature of heavy parts is controlled.
In view of the foregoing, it is special to propose the utility model.
Utility model content
A purpose of the present utility model is to provide a kind of thermal spraying apparatus；
Another object of the present utility model is to provide the heat spraying method using the said equipment.
For up to above-mentioned purpose, on the one hand, the utility model provides a kind of thermal spraying apparatus, the equipment includes being used for heat
The spray gun 2 of spraying and at least one thermal source, the thermal source are arranged on the area to be sprayed that be able to will be moved to spray gun and carried out
The position of heating.
According to some specific embodiments of the utility model, wherein, the thermal source is selected from infrared source 3 and/or thermojet
Air-flow.
According to some specific embodiments of the utility model, wherein, the infrared source 3 is selected from xenon lamp, Halogen lamp LED, infrared
One or more in heating etc. and laser.
According to some specific embodiments of the utility model, wherein, the thermal source at least includes infrared source 3, the heat
Radiation source is arranged on the gun stand 1 for setting spray gun 2.
According to some specific embodiments of the utility model, wherein, area to be sprayed is carried out at least before for spraying
Heater 101 is set on first compressed air hose 41 of purging.
According to some specific embodiments of the utility model, wherein, the second compressed air hose 42 is also set up with after to spraying
Region purged.
According to some specific embodiments of the utility model, wherein, in the first compressed air hose 41 and the second compressed air
Each setting heater 101,102 is distinguished on pipe 42.
According to some specific embodiments of the utility model, wherein, the heater is thermal resistance.
According to some specific embodiments of the utility model, wherein, the distance of first compressed air hose 41 and spray gun 2
1 to 10 times of the diameter for the spot beaten for the flame stream of spraying on part base solid.
According to some specific embodiments of the utility model, wherein, the distance of second compressed air hose 42 and spray gun 2
1 to 10 times of the diameter for the spot beaten for the flame stream of spraying on part base solid.
On the other hand, the utility model additionally provides the heat spraying method using the said equipment, wherein, methods described includes
In thermal spraying, the area to be sprayed that will be moved to spraying outlet using at least one thermal source is heated, then to warp
The region for crossing heating is sprayed.
According to some specific embodiments of the utility model, wherein, the thermal source is selected from infrared source and/or thermal jet is emanated
Stream.
According to some specific embodiments of the utility model, wherein, the infrared source is selected from xenon lamp, Halogen lamp LED, infrared
One or more in heating etc. and laser.
According to some specific embodiments of the utility model, wherein, the thermojet air-flow is by for being treated before spraying
The compressed air that spraying area is purged is carried out plus thermogenetic.
According to some specific embodiments of the utility model, wherein, methods described is also including the use of compressed air to spraying
Region afterwards is purged.
According to some specific embodiments of the utility model, wherein, methods described is also included after compressed air is heated again
Region after spraying is purged.
Some conventional heating means and device can be used to compressed air heating, snake is for example set on compressed air hose
The thermal resistance of shape pipe, hollow pipe etc is heated, or is heated using conventional pipeline heater.
According to some specific embodiments of the utility model, wherein, the thermal spraying is sprayed with spray gun.
According to some specific embodiments of the utility model, wherein, methods described is heated including the use of infrared source,
Wherein infrared source is arranged on the support of spray gun.
Wherein it is understood that the utility model is heated to area to be sprayed, and by thermal current to spraying
Rear region is purged, and wherein the temperature of each several part can be set according to the material of spraying coating process and spraying.For example, may be used
It is heated to 100 DEG C or so.
The area of area to be sprayed of the present utility model is suitable with the area for the beam spot that spray gun is formed on matrix, specific face
Product determines that different spray guns, area is different, usually diameter 10-40mm according to spraying coating process, spray gun model.
Area to be sprayed is with spraying area close to the distance with spray gun is spray distance.
Depending on the translational speed of spray gun is according to technological requirement during spraying, usually 200-700mm/s.
In summary, the utility model provides a kind of thermal spraying apparatus.Method of the present utility model has the following advantages that：
By using the technical solution of the utility model, technique can be ensured in severe weather conditions or larger accessory size
Implementation；It can improve and maintain substrate temperature (for example when cold snap sprays certain heavy parts, substrate temperature maintains 100
DEG C or so), the deposition efficiency greatly improved, deposition efficiency brings up to 20% by 15%, saves powder and energy resource consumption, improves
Production efficiency.
Brief description of the drawings
Fig. 1 is the equipment of the utility model embodiment 1.
Wherein, 1- gun stands, 2- spray guns, 3- infrared sources, 41,42- compressed air hoses, 5- areas to be sprayed, 6- sprays
Apply region, 7- coatings, 8- part base solids, 91,92- compressed air heaters, arrow-spray gun moving direction.
Embodiment
Implementation process of the present utility model and the beneficial effect produced are described in detail below by way of specific embodiment, it is intended to helped
Help reader to more fully understand essence of the present utility model and feature, not as to this case can practical range restriction.
Embodiment 1
The annulus that 1.5 meters of diameter, end face plasma spraying chromium oxide.It is not used before the utility model, part continuous spray,
The substrate temperature of part was slowly raised 65 DEG C or so for 20 DEG C from room temperature after 1 hour, and was maintained at 65 DEG C or so until spray
Painting terminates.Using equipment of the present utility model, as shown in figure 1, accommodating heat lamp 3 on gun stand 1, and spray is focused on
Next moving area 5 of rifle, focused spot about 12mm；The compressed air of muzzle uses pipeline heater 91 and 92 pairs of compressed airs
Heated, heating-up temperature is set as 100 DEG C, and other regions of part carry out cooling purging using the compressed air of room temperature.It is logical
The substrate temperature for crossing above technical scheme part can be quickly reach 100 DEG C or so.
Claims (10)
1. a kind of thermal spraying apparatus, it is characterised in that the equipment includes spray gun (2) and at least one heat for thermal spraying
Source, the thermal source is arranged on the position that can be heated to the area to be sprayed that spray gun will be moved to.
2. equipment according to claim 1, it is characterised in that the thermal source is selected from infrared source (3) and/or thermal jet is emanated
Stream.
3. equipment according to claim 2, it is characterised in that the infrared source (3) is selected from xenon lamp, Halogen lamp LED, infrared
One or more in heating etc. and laser.
4. equipment according to claim 2, it is characterised in that the thermal source at least includes infrared source (3), the hot spoke
The source of penetrating is arranged on the gun stand (1) for setting spray gun (2).
5. equipment according to claim 2, it is characterised in that purged before for spraying to area to be sprayed
Heater (101) is set on one compressed air hose (41).
6. equipment according to claim 5, it is characterised in that the equipment also sets up the second compressed air hose (42) with right
Region after spraying is purged.
7. equipment according to claim 6, it is characterised in that in the first compressed air hose (41) and the second compressed air hose
(42) each setting heater (101,102) is distinguished on.
8. the equipment according to claim 5~7 any one, it is characterised in that the heater is thermal resistance.
9. the equipment according to claim 5~7 any one, it is characterised in that first compressed air hose (41) with
1 to 10 times of the diameter for the spot that the distance of spray gun (2) is beaten on part base solid for the flame stream of spraying.
10. the equipment according to claim 6~7 any one, it is characterised in that second compressed air hose (42) with
1 to 10 times of the diameter for the spot that the distance of spray gun (2) is beaten on part base solid for the flame stream of spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306685.3U CN206328448U (en) | 2016-11-30 | 2016-11-30 | A kind of thermal spraying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621306685.3U CN206328448U (en) | 2016-11-30 | 2016-11-30 | A kind of thermal spraying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206328448U true CN206328448U (en) | 2017-07-14 |
Family
ID=59288256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621306685.3U Active CN206328448U (en) | 2016-11-30 | 2016-11-30 | A kind of thermal spraying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206328448U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399892A (en) * | 2016-11-30 | 2017-02-15 | 国家电网公司 | Thermal spraying method and device thereof |
| CN113174555A (en) * | 2020-01-08 | 2021-07-27 | 通用电气公司 | Ceramic coating formation using temperature controlled gas flow to smooth surfaces |
| CN114799068A (en) * | 2022-05-11 | 2022-07-29 | 宁波大学 | Sand casting mold and manufacturing equipment and manufacturing method thereof |
-
2016
- 2016-11-30 CN CN201621306685.3U patent/CN206328448U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399892A (en) * | 2016-11-30 | 2017-02-15 | 国家电网公司 | Thermal spraying method and device thereof |
| CN113174555A (en) * | 2020-01-08 | 2021-07-27 | 通用电气公司 | Ceramic coating formation using temperature controlled gas flow to smooth surfaces |
| CN114799068A (en) * | 2022-05-11 | 2022-07-29 | 宁波大学 | Sand casting mold and manufacturing equipment and manufacturing method thereof |
| CN114799068B (en) * | 2022-05-11 | 2024-05-10 | 宁波大学 | Sand casting mold and manufacturing equipment and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |