CN106111383B - A kind of thermoplastic powder spraying melt apparatus - Google Patents
A kind of thermoplastic powder spraying melt apparatus Download PDFInfo
- Publication number
- CN106111383B CN106111383B CN201610813578.8A CN201610813578A CN106111383B CN 106111383 B CN106111383 B CN 106111383B CN 201610813578 A CN201610813578 A CN 201610813578A CN 106111383 B CN106111383 B CN 106111383B
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- air
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- spray
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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
- B05B7/22—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 electrically, magnetically or electromagnetically, e.g. by arc
Abstract
A kind of thermoplastic powder spraying melt apparatus, the present invention are not easy to disperse to melt to propose a kind of thermoplastic powder spraying melt apparatus to solve plastic powders in the prior art.There is the present invention high-pressure powder container and spray gun, the spray gun to be equipped with feeding equipment, and the feeding equipment is connect by pipeline with the high-pressure powder container, and the spray, which is robbed, is additionally provided with nozzle；There is the nozzle powder conveying section, powder melts section and drop to spray section, and air-flow through-hole is connected by air current spray nozzle with the melting cavity of powder melts section, is melted in melting cavity and sprays section ejection through drop.The beneficial effects of the invention are as follows：So that plastic powders is melted in powder melts section, and section is sprayed by drop and is emitted into uniform liquid phase plastic grain, the evenly dispersed of plastic powders and melting may be implemented, and avoid the defects of plastic powders change colour because of flame calcination, are denaturalized, burning.
Description
Technical field
The present invention relates to material processing fields, and in particular to a kind of thermoplastic powder spraying melt apparatus.
Background technology
Plastics have become most frequently used one kind material in people's daily life, as technological progress is constantly changed
Into plastics be widely used in the manufacture etc. of building subassembly, food containers, life appliance, electric appliance casing, aerospace craft, and it is close
Nian Lai, plastics more start to be used for the occasions such as the manufacture of functional composite material.The meeting in functional composite material processing and manufacturing
It, in actual use often can not be according to also just since plastic powders particle is small using to the smaller plastic powders of particle
Mated formation using purpose.Plastic powders can be deposited on composite material raw material because of the reason of gravity in the preparation of composite material
The bottom of mixture, and cause material to be unevenly distributed and then the mechanical property and apparent mass of material may be influenced.Make plastics
Powder is mated formation as required, and realizes the thickness that is evenly dispersed, controlling plastics pave-load layer after the completion of mating formation of powder particle, is to work as
The preceding major issue for needing to solve.
Although using dust gun by plastic powders be ejected into material surface can solve the problems, such as to mat formation it is uniform, when multiple
Further mixing can similarly lead to the problem of powder precipitation is with accumulating to the raw material of condensation material, can still cause unevenness of mating formation
It is even.Plastic powders are heated to molten condition and are ejected into workpiece surface by the flame formed using burning gases, are applied to be formed
The technological means of layer, mats formation on demand although plastic powders can be made to be achieved to a certain extent, the coating formed at this time point
Scattered property is bad, and finally formed lamella has deviated from the original intention using plastic powders, and the direction due to flame and the bad control of temperature
System, it may appear that plastic powders burning generates the defect of peculiar smell or discoloration denaturation, influences the quality of product.
Plastic powders are heated to molten condition and are ejected by the flame therefore formed in the prior art using burning gases
The mode of workpiece surface can not directly apply to the manufacture of composite material, and lacking one kind in the prior art makes plastic powders can be with
Evenly dispersed fusing simultaneously can be to avoid discoloration, denaturation, the burning etc. that plastic powders occur by centralized head load or flame
The thermoplastic powder spraying melt apparatus of defect.
Invention content
The present invention is to solve a series of problems existing in the prior art, and then propose a kind of thermoplastic powder spray fusing
There is high-pressure powder container and spray gun, the spray gun to be equipped with feeding equipment, institute for device, the thermoplastic powder spraying melt apparatus
It states feeding equipment to connect with the high-pressure powder container by pipeline, the spray, which is robbed, is additionally provided with nozzle；The high-pressure powder is held
Thermoplastic powder is housed, the thermoplastic powder is transported to the feeding equipment with air-flow, and described in warp in device
Spray gun enters the nozzle；The nozzle includes that powder conveying section, powder melts section and drop spray section, the powder conveying section
It is connected with the powder melts section, the powder melts section sprays section with drop and is connected, and the powder conveying section is logical with air-flow
Hole and air current spray nozzle, the powder melts section have cavity wall, heater and are melted made of being enclosed by the cavity wall and heater
Cavity；The air-flow through-hole is connected by air current spray nozzle with the melting cavity of the powder melts section；The drop sprays section tool
One end of interconnecting piece and jet head, the melting cavity is connected with the interconnecting piece, and the interconnecting piece is connect with the jet head.
The beneficial effects of the invention are as follows：By the way that feeding equipment is arranged on spray gun, and the feeding equipment is connected with high-pressure powder container,
Ensure that spray gun spray plastic powders be controllable, and due on the nozzle be arranged powder conveying section, powder melts section and
Drop sprays section, and plastic powders is allow to be melted in powder melts section, and sprays section by drop and be emitted into uniform liquid phase
Plastic grain may be implemented evenly dispersed, and avoids plastic powders when liquid phase plastic grain arrival is mated formation when face freezes
The defects of discoloration, denaturation, burning.
Further, described pipeline one end connects the feeding equipment, and the other end is connect with the high-pressure powder container bottom；
Intelligent control panel is additionally provided on the high-pressure powder container, the intelligent control panel can control the air pressure of high-pressure powder container
And current situation；The intelligent control panel is electrically connected with the chip on the spray gun, the work shape of the chip record spray gun
The operating condition signals are simultaneously passed to intelligent control panel by condition signal, and the intelligent control panel is according to the work of the spray gun
Make air pressure and the electric current of situation signal adjustment high-pressure powder container.
Further, the air-flow through-hole has primary air road, expands circulation road, volume suction spout, attached wall curved surface and advection cavity, institute
It states volume and inhales the intersection that spout is set to the primary air road and the expansion circulation road, the volume inhales spout and the attached wall curved surface phase
Neighbour, the attached wall curved surface enclose the advection cavity, and the advection cavity is connected with the air current spray nozzle.
Further, the powder conveying section is made of air inlet component and mixed gas component, the air inlet component and the mixed gas
Parts nest connects, and the powder conveying section is connected by the mixed gas component with the powder melts section；The intake section
Part is equipped with primary air road entrance and expands flow channel inlet, has primary air chamber between the mixed gas component and the air inlet component
And volume inhales spout, air enters primary air chamber and inhale spout by volume by primary air road entrance to be sprayed, during air-flow sprays
The Air Entrainment that the air expanded near flow channel inlet is sprayed in primary air chamber；On the mixed gas component spout is inhaled with the volume
Adjacent is equipped with attached wall curved surface, and air and the air inhaled by volume enter the mixed gas component along the attached wall curved surface, and described in warp
The advection cavity that attached wall curved surface encloses is moved to air current spray nozzle direction.
Further, the cavity wall is connected by reinforcing member with heater, and anti-scald interlayer is also wrapped on outside the cavity wall.
Further, the air current spray nozzle is parallel airflow nozzle；The air is the mixing air containing plastic powders.
Further, the air current spray nozzle is equipped with advection drainage plate, and the advection drainage plate is multiple, and each advection drains
Plate is mutually parallel.
Further, the heater is combustion heater, fuel heater, laser heater, infrared heater, electromagnetism add
One or more combination in hot device and resistance heater.
Further, the heater is controllable temperature resistance heating wire, and the temperature range of the heater heating is Celsius 150
It spends to 600 degrees Celsius.
Further, there is the jet head connecting leg and spray nozzle, the connecting leg to be threadedly coupled with the interconnecting piece.
Further, the spray nozzle is conical spray nozzle, and the cone spray nozzle is equipped with regulating valve, described in adjusting
Regulating valve can change the shape of the conical spray nozzle, and then change sprayed liquid level width.
Further, the intelligent control panel and the chip on the spray gun are wired be electrically connected or radio connection.
A kind of application method of thermoplastic powder spraying melt apparatus, includes the following steps：
High-pressure powder container is connected by pipeline with spray gun, on the powder conveying section of the spray gun and nozzle by the first step
Air-flow through-hole be connected；
Second step pulls spray gun preheating trigger, connects the power supply of powder melts section, is that the heater of powder melts section carries out
Preheating, the temperature for controlling heater are 150 degrees Celsius to 600 degrees Celsius；
Third walks, and pulls lance ejection trigger, transmits electric signal to intelligent control panel by the chip on spray gun, intelligence is controlled
Panel processed starts high-pressure powder container, is increased with air pressure in high-pressure powder container, pushes air and powder to charging dress through pipeline
It sets, the air gets enter into spray gun with powder, eventually enters into the air-flow through-hole of nozzle；
4th step, air spray to powder melts section with powder through air current spray nozzle, and heated device acts in melting cavity
Turn to plastics drop；
5th step, the plastics drop are sprayed through jet head, are cured after heat transmits cooling.
Further, air-flow through-hole described in the first step has primary air road and expands circulation road, the primary air road and high pressure
Powder container is connected by pipeline；Start high-pressure powder container in third step, pushes air and powder to primary air road, and through inhaling
Volume spout drives the air expanded in circulation road to enter advection cavity through attached wall curved surface with powder.
Further, it before air sprays to powder melts section with powder through flow nozzle in the 4th step, first passes through multiple flat
The drainage of the advection drainage plate of row setting.
Description of the drawings
Fig. 1 is the principle of the present invention schematic diagram；
Fig. 2 is the structural schematic diagram of nozzle in the present invention；
Fig. 3 is the partial sectional view of nozzle in the present invention；
Fig. 4 is the diagrammatic cross-section of nozzle in the present invention；
Fig. 5 is nozzle part principle schematic in the present invention；
Fig. 6 is the dissection schematic diagram of another angle of nozzle in the present invention；
Fig. 7 is the schematic diagram that nozzle installs anti-scald interlayer additional in the present invention；
Fig. 8 is the structural exploded view of nozzle in the present invention.
Each section meaning is as follows in figure：1 intelligent control panel；2 high-pressure powder containers；3 feeding equipments；4 pipelines；5 spray guns；
51 chips；6 nozzles；61 powder conveying sections；611 air-flow through-holes；612 air current spray nozzles；6121 advection drainage plates；613 primary air roads；
6131 primary air road entrances；6132 primary air chambers；614 expand circulation road；6141 expand flow channel inlet；The suction spouts of volume 615；616 is attached
Wall curved surface；617 advection cavities；618 air inlet components；619 mixed gas components；62 powder melts sections；621 cavity walls；622 heaters；623 is molten
Melt cavity；624 reinforcing members；625 anti-scald interlayers；63 drops spray section；631 interconnecting pieces；632 jet heads；6321 connecting legs；6322 sprays
Liquid mouth.
Specific implementation mode
Illustrate the specific implementation mode of the present invention below in conjunction with the accompanying drawings.
Specific implementation mode 1：Illustrate present embodiment in conjunction with Fig. 1, Fig. 2 and Fig. 4, a kind of thermoplasticity described in present embodiment
Plastic powders spraying melt apparatus has high-pressure powder container 2 and spray gun 5, it is characterised in that：The spray gun 5 is equipped with feeding equipment
3, the feeding equipment 3 is connect by pipeline 4 with the high-pressure powder container 2, and the spray, which is robbed, is additionally provided with nozzle 6；The height
It presses and thermoplastic powder is housed in powder container 2, the thermoplastic powder is transported to the feeding equipment with air-flow
3, and enter the nozzle 6 through the spray gun 5；The nozzle 6 includes that powder conveying section 61, powder melts section 62 and drop spray
Section 63, the powder conveying section 61 is connected with the powder melts section 62, and the powder melts section 62 sprays 63 phase of section with drop
Even, the powder conveying section 61 have air-flow through-hole 611 and air current spray nozzle 612, the powder melts section 62 have cavity wall 621,
Heater 622 and the melting cavity 623 made of the cavity wall 621 and the enclosing of heater 622；The air-flow through-hole 611 passes through
Air current spray nozzle 612 is connected with the melting cavity 623 of the powder melts section 62；The drop sprays section 63 and has 631 He of interconnecting piece
One end of jet head 632, the melting cavity 623 is connected with the interconnecting piece 631, the interconnecting piece 631 and the jet head
632 connections.
Present embodiment has the technical effect that：By the way that feeding equipment, and the feeding equipment and high pressure are arranged on spray gun
Powder container be connected, ensure that spray gun spray plastic powders be controllable, and due on the nozzle be arranged powder conveying section,
Powder melts section and drop spray section, and plastic powders is allow to be melted in powder melts section, and spray section by drop and spray
At uniform liquid phase plastic grain, it may be implemented evenly dispersed when face freezes when liquid phase plastic grain arrival is mated formation, and keep away
The defects of having exempted from plastic powders discoloration, denaturation, burning.
Specific implementation mode 2：Illustrate present embodiment in conjunction with Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of heat described in present embodiment
Thermoplastic plastic powder spraying melt apparatus, 4 one end of the pipeline connect the feeding equipment 3, the other end and the high-pressure powder container 2
Bottom connects；Intelligent control panel 1 is additionally provided on the high-pressure powder container 2, the intelligent control panel 1 can control high-pressure powder
The air pressure of last container 2 and current situation；The intelligent control panel 1 is electrically connected with the chip 51 on the spray gun 5, the chip
The operating condition signals are simultaneously passed to intelligent control panel 1, the intelligent control by the operating condition signals of 51 record spray guns 5
Panel 1 adjusts air pressure and the electric current of high-pressure powder container 2 according to the working condition signal of the spray gun 5.
Present embodiment has the technical effect that：Pipeline is connect with high-pressure powder container bottom, can make high-pressure powder container
Interior filling thermoplastic powder is not necessarily to overfill, and due to being provided with intelligent control panel on high-pressure powder container, makes height
The electric current and air pressure for pressing powder container can be controlled reasonably, the intelligence when spray gun opens and closes on high-pressure powder container
Energy control panel can be connected to the electric signal that chip transmits on spray gun, and then determine that the electric current of high-pressure powder container is gentle
Pressure ensures the reasonable conveying of thermoplastic powder and air.
Specific implementation mode 3：Illustrate present embodiment in conjunction with Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of heat described in present embodiment
Thermoplastic plastic powder spraying melt apparatus, the air-flow through-hole 611 have primary air road 613, expand circulation road 614, volume inhale spout 615,
Attached wall curved surface 616 and advection cavity 617, the volume inhale spout 615 and are set to the primary air road 613 and the circulation road 614 that expands
Intersection, the volume suction spout 615 is adjacent with the attached wall curved surface 616, and the attached wall curved surface 616 encloses the advection cavity
617, the advection cavity 617 is connected with the air current spray nozzle 612；Other are identical as specific implementation mode 1 or 2.
Present embodiment has the technical effect that：By the way that primary air road 613 is arranged in powder conveying section, expands circulation road 614, volume
Inhale spout 615, attached wall curved surface 616 and advection cavity 617 so that expand the air meeting around circulation road 614 when primary air road 613 is ventilated
Because volume inhales spout 615 and inhales the flow velocity therefore expanded for making air, the air inhaled by volume and plastic powders meeting to the volume of air
It is moved along attached wall curved surface 616, and since air driven plastic powders enter advection cavity so that in the present embodiment not only
Plastic powders transfer efficiency improves, and more allows air that advection output occurs, and then control the transmission direction of plastic powders, makes modeling
Feed powder end will not assemble in powder melts section 2, also avoid adhesion of the plastic powders in cavity wall and heater.
Specific implementation mode 4：Illustrate present embodiment in conjunction with Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of heat described in present embodiment
Thermoplastic plastic powder spraying melt apparatus, the powder conveying section 61 are made of air inlet component 618 and mixed gas component 619, the air inlet
Component 618 and mixed 619 nested encryptions of gas component, and the powder conveying section 61 by the mixed gas component 619 with it is described
Powder melts section 62 is connected；The air inlet component 618 is equipped with primary air road entrance 6131 and expands flow channel inlet 6141, described
Between mixed gas component 619 and the air inlet component 618 there is primary air chamber 6132 and volume to inhale spout 615, air passes through primary air
Road entrance 6131, which enters primary air chamber 6132 and inhales spout 615 by volume, to be sprayed, and air-flow expands flow channel inlet during spraying
The Air Entrainment that air near 6141 is sprayed in primary air chamber；On the mixed gas component 619 615 phase of spout is inhaled with the volume
Attached wall curved surface 616 is equipped at neighbour, air and the air inhaled by volume enter the mixed gas component 619 along the attached wall curved surface 616, and
The advection cavity 617 enclosed through the attached wall curved surface 616 is moved to 612 direction of air current spray nozzle；Other and specific implementation mode 1-3
Any one of it is identical.
Present embodiment has the technical effect that：By the way that air inlet component 618 and mixed gas component 619 is arranged in powder conveying section,
And primary air road entrance 6131 is set on air inlet component 618 and expands flow channel inlet 6141, make thermoplastic powder spray fusing
Device can preferably be connect with external equipment, and due to the setting of primary air chamber 6132, make the transfer capability of powder delivery section more
By force；Air enters primary air chamber 6132 and inhale spout 615 by volume by primary air road entrance 6131 to be sprayed, and air-flow sprays process
The middle Air Entrainment that is sprayed in primary air chamber of air expanded near flow channel inlet 6141, on the mixed gas component 619 with institute
Volume is stated to inhale 615 adjacent of spout equipped with attached wall curved surface 616, air and enter institute along the attached wall curved surface 616 by the air inhaled is rolled up
Mixed gas component 619 is stated, and the advection cavity 617 enclosed through the attached wall curved surface 616 is moved to 612 direction of air current spray nozzle, makes sky
Advection output can occur for gas, and then control the transmission direction of plastic powders, make plastic powders will not be in powder melts section 62
Aggregation, the air draught of acceleration, which plays, carries out self-cleaning effect for equipment, avoids plastic powders in cavity wall and heater
On adhesion.
Specific implementation mode 5：Illustrate present embodiment in conjunction with Fig. 4 and Fig. 7, a kind of thermoplastic described in present embodiment
Powder spraying melt apparatus, the cavity wall 621 are connected by reinforcing member 624 with heater 622, are also wrapped on outside the cavity wall 621 anti-
Scald interlayer 625；Other are identical as any one of specific implementation mode 1-4.
Present embodiment has the technical effect that：Heater is set to be fixed；Anti-scald interlayer is arranged outside cavity wall to be prevented
User is scalded during use.
Specific implementation mode 6：Illustrate present embodiment in conjunction with Fig. 3, Fig. 4 and Fig. 5, a kind of thermoplasticity described in present embodiment
Plastic powders spraying melt apparatus, the air current spray nozzle 612 are parallel airflow nozzle；The air is that the mixing containing plastic powders is empty
Gas；Other are identical as any one of specific implementation mode 1-5.
Present embodiment has the technical effect that：Plastic powders and powder have been further prevented due to being provided with parallel airflow nozzle
The related device such as last melt zone cavity wall, heater carries out making contact, and plastics is prevented to be sticked on melting cavity；Air is to contain modeling
The mixing air at feed powder end, can make plastic powders evenly dispersed in air, and plastic powders can also be made to be easier in powder
Melt zone is more rapid to be melted, and is avoided plastic powders and is sticked together in melting process, also avoid plastic powders with
The adhesions in relation to device such as powder melts section cavity wall, heater.
Specific implementation mode 7：Embodiment is described with reference to Fig. 4, a kind of thermoplastic powder described in present embodiment
Spraying melt apparatus, the air current spray nozzle 612 are equipped with advection drainage plate 6121, and the advection drainage plate 6121 is multiple, and each flat
Stream drainage plate 6121 is mutually parallel；Other are identical as any one of specific implementation mode 1-6.
Present embodiment has the technical effect that：Due to provided with multiple advection drainage plates being mutually parallel, further preventing
The related device such as plastic powders and powder melts section cavity wall, heater carries out making contacts, and plastics is prevented to be sticked to melting cavity
On.
Specific implementation mode 8：Illustrate present embodiment in conjunction with Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 8, one described in present embodiment
Kind of thermoplastic powder spraying melt apparatus, the heater 622 is combustion heater, fuel heater, laser heater, infrared
One or more combination in heater, electromagnetic heater and resistance heater；Any one of other and specific implementation mode 1-7
It is identical.
Present embodiment has the technical effect that：As a result of the heater with higher performance, make plastic powders in powder
It can be effectively heated to molten condition rapidly in the melt chamber body of last melt zone.
Specific implementation mode 9：Illustrate present embodiment in conjunction with Fig. 3, Fig. 4, Fig. 6 and Fig. 8, a kind of heat described in present embodiment
Thermoplastic plastic powder spraying melt apparatus, the heater 622 are controllable temperature resistance heating wire, the temperature that the heater 622 heats
Range is in 150 to 600 facilities degree centigrade；Other are identical as any one of specific implementation mode 1-8.
Present embodiment has the technical effect that：Due to use, resistance heating wire heats, and keeps heating operation more convenient,
Keep heated perimeter and heating time more flexible controllable；The resistance heating wire can control temperature range and be arrived at 150 degrees Celsius
600 facility degree, can facilitate different types of plastic molting.
Specific implementation mode 10：Illustrate present embodiment in conjunction with Fig. 6 and Fig. 7, a kind of thermoplasticity modeling described in present embodiment
Feed powder end spraying melt apparatus has connecting leg 6321 and spray nozzle 6322, the connecting leg 6321 and the connection in the jet head 632
Portion 631 is threadedly coupled；Other are identical as any one of specific implementation mode 1-9.
Present embodiment has the technical effect that：Since the connecting leg 6321 is threadedly coupled with the interconnecting piece 631, make described
Jet head can be replaced flexibly as needed, can be according to need when the object of the plastics kind of spray fusing or spray fusing changes
Want more preferable nozzle without replacing entire thermoplastic powder spraying melt apparatus.
Specific implementation mode 11：Illustrate present embodiment in conjunction with Fig. 6 and Fig. 8, a kind of thermoplasticity modeling described in present embodiment
Feed powder end spraying melt apparatus, the spray nozzle 6322 are conical spray nozzle, and the cone spray nozzle is equipped with regulating valve, adjusts
The regulating valve can change the shape of the conical spray nozzle, and then change sprayed liquid level width；Other with it is specific
Any one of embodiment 1-10 is identical.
Present embodiment has the technical effect that：Due to being equipped with regulating valve on the conical spray nozzle, make to be sprayed
Liquid level width can change, and allow the plastic grain and composite material that are sprayed through thermoplastic powder spraying melt apparatus
Raw material mixes evenly, or can regulating liquid surface width and then guarantee working efficiency raising as needed.
Specific implementation mode 12：Embodiment is described with reference to Fig. 1, a kind of thermoplastic powder described in present embodiment
Spraying melt apparatus, the intelligent control panel 1 and the chip 51 on the spray gun 5 are wired be electrically connected or radio connection.
Present embodiment has the technical effect that：Signal can be made more stable using wired electrical connection and be not easy dry by the external world
It disturbs, and uses radio connection then more convenient to use, keep construction site cleaner and tidier, advantageously reduce safety accident.
Claims (10)
1. a kind of thermoplastic powder spraying melt apparatus has high-pressure powder container (2) and spray gun (5), it is characterised in that：It is described
Spray gun (5) is equipped with feeding equipment (3), and the feeding equipment (3) is connect by pipeline (4) with the high-pressure powder container (2),
It is additionally provided with nozzle (6) on the spray gun (5)；Thermoplastic powder, the thermoplasticity are housed in the high-pressure powder container (2)
Plastic powders are transported to the feeding equipment (3) with air-flow, and enter the nozzle (6) through the spray gun (5)；The nozzle
(6) include that powder conveying section (61), powder melts section (62) and drop spray section (63), the powder conveying section (61) with it is described
Powder melts section (62) is connected, and the powder melts section (62) sprays section (63) with drop and is connected, the powder conveying section (61)
With air-flow through-hole (611) and air current spray nozzle (612), the powder melts section (62) has cavity wall (621), heater (622)
And melting cavity (623) made of being enclosed by the cavity wall (621) and heater (622)；The air-flow through-hole (611) passes through gas
Flow nozzle (612) is connected with the melting cavity (623) of the powder melts section (62)；The drop, which sprays section (63), has connection
One end of portion (631) and jet head (632), the melting cavity (623) is connected with the interconnecting piece (631), the interconnecting piece
(631) it is connect with the jet head (632).
2. a kind of thermoplastic powder spraying melt apparatus according to claim 1, it is characterised in that：Described pipeline (4) one end
The feeding equipment (3) is connected, the other end is connect with high-pressure powder container (2) bottom；On the high-pressure powder container (2)
It is additionally provided with intelligent control panel (1), the intelligent control panel (1) can control air pressure and the electric current shape of high-pressure powder container (2)
Condition；The intelligent control panel (1) is electrically connected with the chip (51) on the spray gun (5), chip (51) the record spray gun (5)
Operating condition signals and the operating condition signals are passed into intelligent control panel (1), intelligent control panel (1) root
Air pressure according to the working condition signal adjustment high-pressure powder container (2) of the spray gun (5) and electric current.
3. a kind of thermoplastic powder spraying melt apparatus according to claim 1, it is characterised in that：The air-flow through-hole
(611) there are primary air road (613), expand circulation road (614), volume suction spout (615), attached wall curved surface (616) and advection cavity
(617), the volume inhales the intersection that spout (615) is set to the primary air road (613) and the expansion circulation road (614), described
Volume suction spout (615) is adjacent with the attached wall curved surface (616), and the attached wall curved surface (616) encloses the advection cavity (617),
The advection cavity (617) is connected with the air current spray nozzle (612).
4. a kind of thermoplastic powder spraying melt apparatus according to claim 1, it is characterised in that：The powder conveying section
(61) it is made of air inlet component (618) and mixed gas component (619), the air inlet component (618) and the mixed gas component (619) are embedding
Set connection, and the powder conveying section (61) is connected by the mixed gas component (619) with the powder melts section (62)；It is described
Air inlet component (618) be equipped with primary air road entrance (6131) and expansion flow channel inlet (6141), the mixed gas component (619) and
There is primary air chamber (6132) and volume to inhale spout (615), air passes through primary air road entrance between the air inlet component (618)
(6131) enter primary air chamber (6132) and spout (615) is inhaled by volume and spray, air-flow expands flow channel inlet during spraying
(6141) Air Entrainment that air nearby is sprayed in primary air chamber；On the mixed gas component (619) spout is inhaled with the volume
(615) adjacent is equipped with attached wall curved surface (616), and air and the air inhaled by volume enter described mixed along the attached wall curved surface (616)
Gas component (619), and the advection cavity (617) enclosed through the attached wall curved surface (616) is moved to air current spray nozzle (612) direction.
5. a kind of thermoplastic powder spraying melt apparatus according to claim 4, it is characterised in that：The cavity wall (621) is logical
Reinforcing member (624) is crossed with heater (622) to be connected.
6. a kind of thermoplastic powder spraying melt apparatus according to claim 5, it is characterised in that：The cavity wall (621) is outside
It is coated with anti-scald interlayer (625).
7. a kind of thermoplastic powder spraying melt apparatus according to claim 6, it is characterised in that：The air current spray nozzle
(612) it is equipped with advection drainage plate (6121), the advection drainage plate (6121) is multiple, and each advection drainage plate (6121) phase
It is mutually parallel.
8. according to any one of the claim 1-7 thermoplastic powder spraying melt apparatus, it is characterised in that：The jet head
(632) there is connecting leg (6321) and spray nozzle (6322), the connecting leg (6321) to be threadedly coupled with the interconnecting piece (631).
9. according to any one of the claim 1-7 thermoplastic powder spraying melt apparatus, it is characterised in that：The spray nozzle
(6322) be conical spray nozzle, the cone spray nozzle is equipped with regulating valve, adjust the regulating valve can change it is described
The shape of conical spray nozzle.
10. a kind of thermoplastic powder spraying melt apparatus according to claim 2, it is characterised in that：The intelligent control face
Plate (1) and the chip (51) on the spray gun (5) are wired be electrically connected or radio connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610813578.8A CN106111383B (en) | 2016-09-11 | 2016-09-11 | A kind of thermoplastic powder spraying melt apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610813578.8A CN106111383B (en) | 2016-09-11 | 2016-09-11 | A kind of thermoplastic powder spraying melt apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106111383A CN106111383A (en) | 2016-11-16 |
| CN106111383B true CN106111383B (en) | 2018-09-18 |
Family
ID=57271561
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610813578.8A Expired - Fee Related CN106111383B (en) | 2016-09-11 | 2016-09-11 | A kind of thermoplastic powder spraying melt apparatus |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2119430A1 (en) * | 1993-04-20 | 1994-10-21 | Joseph P. Mercurio | Dense oxide coatings by thermal spraying |
| CN2161381Y (en) * | 1993-07-02 | 1994-04-13 | 机械电子工业部武汉材料保护研究所 | Plastic powder flame spray gun |
| US6915964B2 (en) * | 2001-04-24 | 2005-07-12 | Innovative Technology, Inc. | System and process for solid-state deposition and consolidation of high velocity powder particles using thermal plastic deformation |
| CN2530724Y (en) * | 2001-12-31 | 2003-01-15 | 张楚 | Multi-functional combined spraying apparatus |
| RU2247174C2 (en) * | 2003-04-30 | 2005-02-27 | Институт теоретической и прикладной механики СО РАН | Apparatus for gasodynamic deposition of powder materials |
| CN100434190C (en) * | 2003-10-09 | 2008-11-19 | 埃克希姆公司 | Apparatus for themal spray coating |
| US8132740B2 (en) * | 2006-01-10 | 2012-03-13 | Tessonics Corporation | Gas dynamic spray gun |
| ITBO20130560A1 (en) * | 2013-10-14 | 2015-04-15 | Ibix Srl | METHOD AND EQUIPMENT FOR FLAME SPRAYING OF THERMOPLASTIC POWDERS |
| CN206168610U (en) * | 2016-09-11 | 2017-05-17 | 北京林业大学 | Thermoplastic powder spray fusing device |
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2016
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| CN106111383A (en) | 2016-11-16 |
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