CN106111381A - A kind of thermoplastic powder spray fusing spray gun spray nozzle - Google Patents
A kind of thermoplastic powder spray fusing spray gun spray nozzle Download PDFInfo
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- CN106111381A CN106111381A CN201610813573.5A CN201610813573A CN106111381A CN 106111381 A CN106111381 A CN 106111381A CN 201610813573 A CN201610813573 A CN 201610813573A CN 106111381 A CN106111381 A CN 106111381A
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- Prior art keywords
- air
- powder
- spray
- spray nozzle
- section
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Classifications
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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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/168—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed with means for heating or cooling after mixing
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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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/06—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
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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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
Abstract
A kind of thermoplastic powder spray fusing spray gun spray nozzle, the present invention solves that in prior art, plastic powders is difficult to dispersion fusing and proposes a kind of thermoplastic powder spray fusing spray gun spray nozzle.The present invention has powder conveying section, powder melts section and drop ejection section, powder conveying section is connected with powder melts section, powder melts section is connected with drop ejection section, powder conveying section has air-flow through hole and air current spray nozzle, and powder melts section has cavity wall, heater and the melted cavity enclosed by cavity wall and heater；Melted thermoplastic sprays via jet head.The invention has the beneficial effects as follows: make plastic powders can melt in powder melts section, and it is emitted into uniform liquid phase plastic grain by drop ejection section, the dispersed of molten plastic powder can be realized, and avoid the defects such as plastic powders variable color because of flame calcination, degeneration, burning.
Description
Technical field
The present invention relates to material processing field, be specifically related to a kind of thermoplastic powder spray fusing spray gun spray nozzle.
Background technology
Plastics have become as a most frequently used class material in people's daily life, constantly obtain along with technological progress and change
The plastics entered are widely used in the manufacture etc. of building subassembly, food containers, life appliance, electric appliance casing, aerospace craft, and near
Nian Lai, plastics more start the occasions such as the manufacture being used for functional composite material.Meeting in functional composite material processing and manufacturing
Use the less plastic powders of granule, just the least due to plastic powders granule, the most often cannot be according to
Application target is mated formation.In the preparation of composite, plastic powders can be because the reason of gravity be deposited on composite raw material
The bottom of mixture, and cause material skewness and then mechanical property and the apparent mass of material may be affected.Make plastics
Powder is mated formation as required, and realize powder particle dispersed, control to have mated formation the thickness of rear plastics pave-load layer, is to work as
The front major issue needing to solve.
Although use dust gun that plastic powders is ejected into material surface can solve uniform problem of mating formation, but when multiple
The raw material of condensation material mixes the problem that can cause powder precipitation and accumulation too further, still can cause inequality of mating formation
Even.Plastic powders is heated to molten condition and is ejected into surface of the work by the flame utilizing burning gases to be formed, thus forms painting
The technological means of layer, although plastic powders can be made to a certain extent to be achieved and on-demand mat formation, but the coating now formed is divided
Dissipating property bad, the lamella that ultimately forms has deviated from the original intention using plastic powders, and due to the direction of flame and the bad control of temperature
System, it may appear that plastic powders burning produces abnormal flavour or the defect of variable color degeneration, affects the quality of goods.
Plastic powders is heated to molten condition and is ejected into by the flame therefore utilizing burning gases to be formed in prior art
The mode of surface of the work can not directly apply to the manufacture of composite, lacks one and make plastic powders permissible in prior art
The defects such as variable color that plastic powders occurs, degeneration, burning can be avoided because of centralized head load or flame while of dispersed
Thermoplastic powder spray fusing spray gun spray nozzle.
Summary of the invention
The present invention solves series of problems present in prior art, and then propose a kind of thermoplastic powder spray fusing
With spray gun spray nozzle, this thermoplastic powder spray fusing spray gun spray nozzle has powder conveying section, powder melts section and drop ejection
Section, described powder conveying section is connected with described powder melts section, and described powder melts section is connected with drop ejection section, described powder
Transportation section has air-flow through hole and air current spray nozzle, and described powder melts section has cavity wall, heater and by described cavity wall and heating
The melted cavity that device encloses；Described air-flow through hole is connected with the melted cavity of described powder melts section by air current spray nozzle；
Described drop ejection section tool connecting portion and jet head, one end of described melted cavity is connected with described connecting portion, described connecting portion
Being connected with described jet head, melted thermoplastic sprays through jet head.The invention has the beneficial effects as follows: by being respectively provided with
Powder conveying section, powder melts section and drop ejection section make plastic powders can melt in powder melts section, and pass through drop
Ejection section is emitted into uniform liquid phase plastic grain, can realize uniformly when liquid phase plastic grain arrives at when face of mating formation freezes
Dispersion, and avoid the defects such as plastic powders variable color, degeneration, burning.
Further, described air-flow through hole has primary air road, expands circulation road, volume suction spout, attached wall curved surface and advection chamber, institute
Stating volume suction spout and be located at described primary air road and the intersection of described expansion circulation road, described volume inhales spout and described attached wall curved surface phase
Neighbour, described attached wall curved surface encloses described advection chamber, and described advection chamber is connected with described air current spray nozzle.
Further, described powder conveying section is made up of air inlet component and mixed gas parts, described air inlet component and described mixed gas
Parts nest connects, and described powder conveying section is connected with described powder melts section by described mixed gas parts；Described intake section
Part is provided with primary air road entrance and expands flow channel inlet, has primary air chamber between described mixed gas parts and described air inlet component
And volume suction spout, air is entered primary air chamber by primary air road entrance and is sprayed, during air-flow ejection by volume suction spout
Expand the air near flow channel inlet by the Air Entrainment of ejection in primary air chamber；Spout is inhaled with described volume on described mixed gas parts
Adjacent is provided with attached wall curved surface, air and the air inhaled by volume and enters described mixed gas parts along described attached wall curved surface, and through described
Move to air current spray nozzle direction in the advection chamber that attached wall curved surface encloses.
Further, described cavity wall is connected with heater by girth member, is also wrapped on anti-scald interlayer outside described cavity wall.
Further, described air current spray nozzle is parallel airflow nozzle；Described air is the mixing air containing plastic powders.
Further, described air current spray nozzle is provided with advection drainage plate, and described advection drainage plate is multiple, and each advection drain
Plate is parallel to each other.
Further, described heater is that combustion heater, fuel heater, laser heater, infrared heater, electromagnetism add
The combination of one or more in hot device and resistance heater.
Further, described heater is controllable temperature resistance heating wire, and the temperature range of described heater heating is Celsius 150
Degree is to 600 degrees Celsius.
Further, described jet head has connecting leg and spray nozzle, and described connecting leg is threadeded with described connecting portion.
Further, described spray nozzle is cone spray nozzle, and described cone spray nozzle is provided with regulation valve, and regulation is described
Regulation valve can change the shape of described cone spray nozzle, and then changes the liquid level width sprayed.
The using method of described a kind of thermoplastic powder spray fusing spray gun spray nozzle, comprises the following steps:
The first step, external air is defeated with the powder of described thermoplastic powder spray fusing spray gun spray nozzle with powder conduit
Air-flow through hole in the section of sending is connected；
Second step, connects the power supply of powder melts section, and the heater for powder melts section preheats, and controls the temperature of heater
It it is 150 degrees Celsius to 600 degrees Celsius；
3rd step, starts high-pressure powder container, pushes air and powder to air-flow through hole；
4th step, air and powder spray to powder melts section through air current spray nozzle, and acting in melted cavity of heater via turns to
Plastics drop；
5th step, described plastics drop sprays through jet head, solidifies after heat transfer is lowered the temperature.
Further, air-flow through hole described in the first step has primary air road and expands circulation road, described primary air road and high pressure
Powder container is connected by pipeline；3rd step starts high-pressure powder container, air and powder are pushed to primary air road, and through inhaling
Volume spout drives the air expanded in circulation road to enter advection chamber with powder through attached wall curved surface.
Further, in described 4th step, air and powder are before flow nozzle sprays to powder melts section, first pass through multiple flat
The drain of the advection drainage plate that row is arranged.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the partial sectional view of the present invention；
Fig. 4 is the generalized section of the present invention；
Fig. 5 is present invention local principle schematic；
Fig. 6 is the dissection schematic diagram of another angle of the present invention；
Fig. 7 is the schematic diagram that the present invention installs anti-scald interlayer additional；
Fig. 8 is the STRUCTURE DECOMPOSITION figure of the present invention.
In figure, each several part implication is as follows: 1 powder conveying section；11 air-flow through holes；12 air current spray nozzles；121 advection drainage plates；13
Primary air road；131 primary air road entrances；132 primary air chambeies；14 expand circulation road；141 expand flow channel inlet；Inhale spout by volume 15；16
Attached wall curved surface；17 advection chambeies；18 air inlet components；19 mix gas parts；2 powder melts sections；21 cavity wall；22 heaters；23 melt chamber
Body；24 girth members；25 anti-scald interlayers；3 drop ejection sections；31 connecting portions；32 jet head；321 connecting legs；322 spray nozzles.
Detailed description of the invention
The detailed description of the invention of the present invention is described below in conjunction with the accompanying drawings.
Detailed description of the invention 1: combine Fig. 1 and Fig. 2 and present embodiment is described, a kind of thermoplastic described in present embodiment
Powder spray fusing spray gun spray nozzle, has powder conveying section 1, powder melts section 2 and drop ejection section 3 and it is characterized in that: described powder
Transportation section 1, end is connected with described powder melts section 2, and described powder melts section 2 is connected with drop ejection section 3, and described powder carries
Section 1 has air-flow through hole 11 and air current spray nozzle 12, and described powder melts section 2 has cavity wall 21, heater 22 and by described cavity wall
21 and the melted cavity 23 that encloses of heater 22；Described air-flow through hole 11 is by air current spray nozzle 12 and described powder melts section
The melted cavity 23 of 2 is connected；Described drop ejection section 3 has connecting portion 31 and a jet head 32, one end of described melted cavity 23 with
Described connecting portion 31 is connected, and described connecting portion 31 is connected with described jet head 32, and melted thermoplastic is sprayed through jet head 32
Go out.
Having the technical effect that by being respectively provided with powder conveying section, powder melts section and drop ejection section of present embodiment
Make plastic powders can melt in powder melts section, temperature in described melt zone and the inlet of air, each clock gas
Ratio, gas the flow direction etc. the most controlled, therefore can avoid the defects such as plastic powders variable color, degeneration, burning；Owing to passing through drop
Ejection section is emitted into uniform liquid phase plastic grain, when liquid phase plastic grain arrives at can when face of mating formation freezes into plastic grain
Realize the dispersed of plastic grain.
Detailed description of the invention 2: combine Fig. 2, Fig. 3, Fig. 4 and Fig. 5 and present embodiment is described, a kind of heat described in present embodiment
Thermoplastic plastic powder spray fusing spray gun spray nozzle, described air-flow through hole 11 has primary air road 13, expands circulation road 14, volume suction spout
15, attached wall curved surface 16 and advection chamber 17, described volume is inhaled spout 15 and is located at described primary air road 13 and the friendship of described expansion circulation road 14
At remittance, it is adjacent with described attached wall curved surface 16 that described volume inhales spout 14, and described attached wall curved surface 16 encloses described advection chamber 17, described
Advection chamber 17 is connected with described air current spray nozzle 12；Other are identical with detailed description of the invention 1.
Having the technical effect that by arranging primary air road 13 at powder conveying section, expand circulation road 14, volume suction of present embodiment
Spout 15, attached wall curved surface 16 and advection chamber 17 so that expanding the air around circulation road 14 time ventilation in primary air road 13 can be because rolling up
Inhaling spout 15 roll up air to inhale and make the flow velocity therefore expanded of air, the air inhaled by volume and plastic powders can be along attached wall songs
Face 16 moves, and owing to air driven plastic powders enters advection chamber so that the most not only plastic powders
Transfer efficiency improves, and more makes air that advection can be occurred to export, and then controls the transmission direction of plastic powders, makes plastic powders not
Can assemble in powder melts section 2, it also avoid plastic powders adhesion in cavity wall and heater.
Detailed description of the invention 3: combine Fig. 4, Fig. 5, Fig. 6 and Fig. 7 and present embodiment is described, a kind of heat described in present embodiment
Thermoplastic plastic powder spray fusing spray gun spray nozzle, described powder conveying section 1 is made up of air inlet component 18 and mixed gas parts 19, described in enter
Gas parts 18 and described mixed gas parts 19 nested encryptions, and described powder conveying section 1 is by described mixed gas parts 19 and described powder
End melt zone 2 is connected；Described air inlet component 18 is provided with primary air road entrance 131 and expands flow channel inlet 141, described mixed gas portion
Having primary air chamber 132 between part 19 and described air inlet component 18 and volume inhales spout 15, air is entered by primary air road entrance 131
Become owner of air flow chamber 132 and sprayed by volume suction spout 15, expanding the air near flow channel inlet 141 during air-flow ejection and is led
The Air Entrainment of ejection in air flow chamber；Inhale spout 15 adjacent with described volume on described mixed gas parts 19 and be provided with attached wall curved surface 16,
Air and the air inhaled by volume enter described mixed gas parts 19 along described attached wall curved surface 16, and enclose through described attached wall curved surface 16
Advection chamber 17 to air current spray nozzle 12 direction move；Other are identical any one of with detailed description of the invention 1-2.
Present embodiment have the technical effect that by arranging air inlet component 18 and mixed gas parts 19 at powder conveying section, and
Air inlet component 18 arrange primary air road entrance 131 and expands flow channel inlet 141, making thermoplastic powder spray fusing spray gun
Shower nozzle can preferably be connected with external equipment, and due to the setting in primary air chamber 132, makes the transfer capability of powder delivery section more
By force；Air is entered primary air chamber 132 by primary air road entrance 131 and is sprayed, during air-flow ejection by volume suction spout 15
Expand the Air Entrainment that the air near flow channel inlet 141 is sprayed in primary air chamber, with described volume on described mixed gas parts 19
Suction spout 15 adjacent is provided with attached wall curved surface 16, air and the air inhaled by volume and enters described mixed gas portion along described attached wall curved surface 16
Part 19, and move to air current spray nozzle 12 direction through the advection chamber 17 that described attached wall curved surface 16 encloses, make air to put down
Stream output, and then control the transmission direction of plastic powders, make plastic powders will not assemble in powder melts section 2, the sky of acceleration
Entraining air stream serves and carries out self-cleaning effect for equipment, it is to avoid plastic powders adhesion in cavity wall and heater.
Detailed description of the invention 4: combine Fig. 4 and Fig. 7 and present embodiment is described, a kind of thermoplastic described in present embodiment
Powder spray fusing spray gun spray nozzle, described cavity wall 21 is connected with heater 22 by girth member 24, is also wrapped on outside described cavity wall 21
Anti-scald interlayer 25；Other are identical any one of with detailed description of the invention 1-3.
Having the technical effect that of present embodiment makes heater be fixed；Outside cavity wall, arrange anti-scald interlayer be possible to prevent
User is scalded during use.
Detailed description of the invention 5: combine Fig. 3, Fig. 4 and Fig. 5 and present embodiment is described, a kind of thermoplasticity described in present embodiment
Plastic powders spray fusing spray gun spray nozzle, described air current spray nozzle 12 is parallel airflow nozzle；Described air is containing plastic powders
Mixing air；Other are identical any one of with detailed description of the invention 1-4.
Having the technical effect that of present embodiment prevents plastic powders and powder further owing to being provided with parallel airflow nozzle
The relevant devices such as end melt zone cavity wall, heater carry out making contact, prevent plastics to be bonded on melted cavity；Air is for containing moulding
The mixing air of material powder, can make plastic powders the most dispersed, it is possible to so that plastic powders is easier at powder
Melt zone occurs melted more rapidly, it is to avoid plastic powders sticks together in melting process, it also avoid plastic powders with
Powder melts section cavity wall, heater etc. are about the adhesion of device.
Detailed description of the invention 6: combine Fig. 4 and present embodiment is described, a kind of thermoplastic powder described in present embodiment
Spray fusing spray gun spray nozzle, described air current spray nozzle 12 is provided with advection drainage plate 121, and described advection drainage plate 121 is multiple, and respectively
Advection drainage plate 121 is parallel to each other；Other are identical any one of with detailed description of the invention 1-5.
Having the technical effect that owing to being provided with multiple advection drainage plate being parallel to each other of present embodiment, prevents further
The relevant devices such as plastic powders and powder melts section cavity wall, heater carry out making contact, prevent plastics to be bonded at melted cavity
On.
Detailed description of the invention 7: combine Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 8 and present embodiment is described, described in present embodiment one
Planting thermoplastic powder spray fusing spray gun spray nozzle, described heater 22 is combustion heater, fuel heater, LASER HEATING
The combination of one or more in device, infrared heater, electromagnetic heater and resistance heater；Other are with detailed description of the invention 1-6
Any one of identical.
Having the technical effect that owing to have employed the heater with higher performance of present embodiment, makes plastic powders at powder
Molten condition can be effectively heated to rapidly in the melt chamber body of end melt zone.
Detailed description of the invention 8: combine Fig. 3, Fig. 4, Fig. 6 and Fig. 8 and present embodiment is described, a kind of heat described in present embodiment
Thermoplastic plastic powder spray fusing spray gun spray nozzle, described heater 22 is controllable temperature resistance heating wire, the heating of described heater 22
Temperature range is at 150 to 600 facilities degree centigrade；Other are identical any one of with detailed description of the invention 1-7.
Having the technical effect that owing to using resistance heating wire to heat of present embodiment, makes heating operation convenient,
Make heated perimeter and heat time heating time the most controlled；Described resistance heating wire can control temperature range and arrive at 150 degrees Celsius
600 facility degree, can facilitate different types of plastic molting.
Detailed description of the invention 9: combine Fig. 6 and Fig. 7 and present embodiment is described, a kind of thermoplastic described in present embodiment
Powder spray fusing spray gun spray nozzle, has connecting leg 321 and spray nozzle 322 in described jet head 32, and described connecting leg 321 is connected with described
Portion 31 is threaded；Other are identical any one of with detailed description of the invention 1-8.
Having the technical effect that owing to described connecting leg 321 is threadeded with described connecting portion 31 of present embodiment, makes described spray
Liquid head can be changed the most flexibly, when the plastics kind of spray fusing or the object of spray fusing can be as required when changing
More preferably nozzle and without changing whole thermoplastic powder spray fusing spray gun spray nozzle.
Detailed description of the invention 10: combine Fig. 6 and Fig. 8 and present embodiment is described, described in present embodiment, a kind of thermoplasticity is moulded
Material powder spray fusing spray gun spray nozzle, described spray nozzle 322 is cone spray nozzle, and described cone spray nozzle is provided with regulation
Valve, regulates described regulation valve and can change the shape of described cone spray nozzle, and then change the liquid level width sprayed；Other
With detailed description of the invention 1-9 any one of identical.
Having the technical effect that owing to being provided with regulation valve on described cone spray nozzle of present embodiment, makes to be sprayed
Liquid level width can change, and makes the plastic grain through the ejection of thermoplastic powder spray fusing spray gun spray nozzle can be with compound
The raw material of material mixes evenly, or can regulating liquid surface width and then guarantee work efficiency improve as required.
Claims (10)
1. a thermoplastic powder spray fusing spray gun spray nozzle, has powder conveying section (1), powder melts section (2) and drop
Ejection section (3) is characterized in that: described powder conveying section (1) is connected with described powder melts section (2), described powder melts section
(2) being connected with drop ejection section (3), described powder conveying section (1) has air-flow through hole (11) and air current spray nozzle (12), described powder
End melt zone (2) have cavity wall (21), heater (22) and by described cavity wall (21) and heater (22) enclose melt
Cavity (23)；Described air-flow through hole (11) is by melted cavity (23) phase of air current spray nozzle (12) with described powder melts section (2)
Even；Described drop ejection section (3) tool connecting portion (31) and jet head (32), one end of described melted cavity (23) is connected with described
Portion (31) is connected, and described connecting portion (31) is connected with described jet head (32), and melted thermoplastic is sprayed through jet head (32)
Go out.
A kind of thermoplastic powder spray fusing spray gun spray nozzle, it is characterised in that: described air-flow leads to
Hole (11) has primary air road (13), expands circulation road (14), volume suction spout (15), attached wall curved surface (16) and advection chamber (17), institute
Stating volume suction spout (15) and be located at described primary air road (13) and the intersection of described expansion circulation road (14), described volume inhales spout (15)
Adjacent with described attached wall curved surface (16), described attached wall curved surface (16) encloses described advection chamber (17), described advection chamber (17) with
Described air current spray nozzle (12) is connected.
A kind of thermoplastic powder spray fusing spray gun spray nozzle, it is characterised in that: described powder is defeated
The section of sending (1) is made up of air inlet component (18) and mixed gas parts (19), and described air inlet component (18) and described mixed gas parts (19) are embedding
Set connects, and described powder conveying section (1) is connected with described powder melts section (2) by described mixed gas parts (19)；Described enter
Gas parts (18) be provided with primary air road entrance (131) and expand flow channel inlet (141), described mixed gas parts (19) and described enter
Having primary air chamber (132) between gas parts (18) and volume inhales spout (15), air enters main by primary air road entrance (131)
Air flow chamber (132) also inhales spout (15) ejection by volume, expands the air quilt near flow channel inlet (141) during air-flow ejection
The Air Entrainment of ejection in primary air chamber；Described mixed gas parts (19) are upper is provided with attached wall song with described volume suction spout (15) adjacent
Face (16), air and the air inhaled by volume enter described mixed gas parts (19) along described attached wall curved surface (16), and through described attached wall
Move to air current spray nozzle (12) direction in the advection chamber (17) that curved surface (16) encloses.
A kind of thermoplastic powder spray fusing spray gun spray nozzle, it is characterised in that: described cavity wall
(21) it is connected with heater (22) by girth member (24), outside described cavity wall (21), is also wrapped on anti-scald interlayer (25).
A kind of thermoplastic powder spray fusing spray gun spray nozzle, it is characterised in that: described air-flow sprays
Mouth (12) is parallel airflow nozzle；Described air is the mixing air containing plastic powders.
A kind of thermoplastic powder spray fusing spray gun spray nozzle, it is characterised in that: described air-flow sprays
Mouth (12) is provided with advection drainage plate (121), and described advection drainage plate (121) is multiple, and each advection drainage plate (121) is mutual
Parallel.
7. according to thermoplastic powder spray fusing spray gun spray nozzle a kind of according to any one of claim 1-6, it is characterised in that:
Described heater (22) is combustion heater, fuel heater, laser heater, infrared heater, electromagnetic heater and resistance
The combination of one or more in heater.
8. according to thermoplastic powder spray fusing spray gun spray nozzle a kind of according to any one of claim 1-6, it is characterised in that:
Described heater (22) is controllable temperature resistance heating wire, and the temperature range that described heater (22) heats is at 150 to 600 degree.
9. according to thermoplastic powder spray fusing spray gun spray nozzle a kind of according to any one of claim 1-6, it is characterised in that:
Described jet head (32) has connecting leg (321) and spray nozzle (322), and described connecting leg (321) is with described connecting portion (31) screw thread even
Connect.
A kind of thermoplastic powder spray fusing spray gun spray nozzle, it is characterised in that: described hydrojet
Mouth (322) is cone spray nozzle, and described cone spray nozzle is provided with regulation valve, regulates described regulation valve and can change described
The shape of cone spray nozzle.
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| CN201610813573.5A CN106111381B (en) | 2016-09-11 | 2016-09-11 | A kind of thermoplastic powder spray fusing spray gun spray nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583079A (en) * | 2016-12-03 | 2017-04-26 | 天长市金陵电子有限责任公司 | Novel plastic spraying gun with preheating function |
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| CN201823642U (en) * | 2010-08-17 | 2011-05-11 | 华东理工大学 | Laser cladding coaxial powder delivery nozzle comprising guide protective air flow |
| CN103203301A (en) * | 2013-03-25 | 2013-07-17 | 张东 | Plastic thermal spraying gun |
| CN203697487U (en) * | 2014-01-23 | 2014-07-09 | 德清中科金融信息技术研究所 | Nozzle structure for printing head of 3D printer |
| CN105642454A (en) * | 2015-12-31 | 2016-06-08 | 东北大学 | Spray nozzle used for vacuum web spray coating |
| CN206168609U (en) * | 2016-09-11 | 2017-05-17 | 北京林业大学 | Thermoplastic powder is spray gun shower nozzle for spray fusing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106583079A (en) * | 2016-12-03 | 2017-04-26 | 天长市金陵电子有限责任公司 | Novel plastic spraying gun with preheating function |
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