CN106513198A - Air plasma monofilament wire and powder composite spray gun - Google Patents
Air plasma monofilament wire and powder composite spray gun Download PDFInfo
- Publication number
- CN106513198A CN106513198A CN201610758112.2A CN201610758112A CN106513198A CN 106513198 A CN106513198 A CN 106513198A CN 201610758112 A CN201610758112 A CN 201610758112A CN 106513198 A CN106513198 A CN 106513198A
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- Prior art keywords
- anode
- spray gun
- plasma
- gun
- powder
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Classifications
-
- 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
- B05B7/222—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 using an arc
-
- 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
- B05B7/222—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 using an arc
- B05B7/224—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 using an arc the material having originally the shape of a wire, rod or the like
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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
- B05B7/222—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 using an arc
- B05B7/226—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 using an arc the material being originally a particulate material
Abstract
The invention relates to a plasma powder spray device, in particular to an air plasma monofilament wire and powder composite spray gun which comprises a spray gun head part, an insulating gun base (22), a plasma gun body (28), a cathode-anode displacement regulating mechanism, a wire feeding part, a powder feeding part and a transfer electric-arc water-cooling anode part. The compound spray gun has three functions, and the wire feeding part is mounted on an anode base (7), so that the composite gun has the functions of an air plasma monofilament wire spray gun; the powder feeding part and the wire feeding part are mounted on the anode base, ceramic or metal powder is fed in for being molten at a high temperature by utilizing a wire high-temperature melting temperature to form a composite coating, and the performances of the coating can be conveniently changed, so that the composite gun has the functions of the air plasma monofilament wire and powder composite spray gun; and the power feeding part and the transfer electric-arc water-cooling anode part are mounted on the anode base, powder is directly fed into a plasma transfer electric arc through a powder feeding tube via a powder feeder, and plasma transfer-arc powder spraying can be carried out, so that the composite gun has the functions of an air plasma powder spray gun.
Description
Technical field
The present invention relates to a kind of plasma powder device, more particularly to a kind of air plasma monofilament wire rod and powder
Composite spray gun.
Background technology
Existing wire spraying device mainly has electric arc wire spraying, oxy-acetylene wire spraying, plasma wire spraying.Spray
Rifle is a most important ring in wire spraying device.Electric arc wire spraying typically adopts Twin wire arc wire rod, and its wire rod is using waste
Greatly, spray smog big, labor intensity height, using compressed air capacity up to 3 cubes/point.Oxy-acetylene wire spraying, working gas are adopted
With oxygen and acetylene, its safety is poor, high cost, and the spraying porosity is big, and anchoring strength of coating is poor.Plasma spraying is mostly adopted
Sprayed with non-transferred plasma arc, working gas is argon, hydrogen, nitrogen, but the nozzle scaling loss of spray gun is serious, and volume is larger, spraying
Powder fusing is poor, and deposition efficiency is low.Existing air plasma wire spraying, because of the logical high current of wire rod in its wire feeding mouth, in high temperature
Lower high speed wire feed melts wire rod, can produce high temperature so as to heavy wear nozzle, make wire rod off center, cause current interruption.Using gas
Cold cable accelerates gas as plasma gass, and its air demand is not enough, and plasma spraying flame speed does not reach use requirement.In
State's patent CN202011900U discloses a kind of inverter air plasma wire spraying equipment, sprays including air plasma wire rod
Rifle, wire rod wire-feed motor, the air plasma wire rod spray gun in inversion plasma power supply and air compressor, but the patent are only suitable for
In plasma wire spraying, it is impossible to suitable for plasma powder.
The content of the invention
It is an object of the invention to provide a kind of air plasma monofilament wire rod and powder composite spray gun, the spray gun is not only fitted
For air plasma monofilament wire spraying, air plasma transferred arc powder spray is also applied for, and uses operation side
Just, spray-on coating quality is good, and cost is relatively low.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of air plasma monofilament wire rod and powder composite spray gun, including gun head, insulation gun platform, plasma spraying gun, the moon
Anode displacement governor motion, wire feed part；
The gun head is by air plasma spray gun negative electrode, the non-diverting electric arc anode nozzle of air plasma spray gun, ceramic mist
Change nozzle, anode seat and atomization gas lead column composition；Air plasma spray gun negative electrode and the non-diverting anode of air plasma spray gun
Nozzle is located in ceramic atomizer, and air plasma spray gun negative electrode and the non-diverting anode nozzle connection of air plasma spray gun are solid
It is scheduled in insulation gun platform, outside ceramic atomizer, is set with atomization gas lead column, outside atomization gas lead column, is set with anode seat, anode seat
For tubular；
The wire feed part includes conductive guidewire pipe, wire feeding mouth, wire feed seat, and the anode seat is radially equipped with wire feed seat, and conduction is led
Fiber tube is stretched in front of ceramic atomizer through wire feed seat, wire feeding mouth is housed at the top of conductive guidewire pipe, is passed through in conductive guidewire pipe
The air plasma spray gun negative electrode of wire rod transferred arc anode, wire rod transferred arc anode and gun head, air plasma spray
The non-diverting anode nozzle of rifle constitutes plasma arc；
The anode and cathode displacement governor motion is adjusted to help pull a cart and is constituted by anode seat, atomization gas lead column, anode and cathode, and anode and cathode is adjusted
The tubular helped pull a cart as top end outs open, bottom end whole opening, the tubular inboard face of the tubular bottom end is provided with interior spiral shell
Stricture of vagina, cylindrical internal screw thread are connected with plasma spraying gun head, are clipped in the raised annulus of atomization gas lead column and anode at the top of tubular
Between seat, rotation anode and cathode adjusts to help pull a cart and anode seat can be promoted to move left and right；
The plasma spraying gun head is installed in atomization gas lead column, is provided with external screw thread and anode and cathode on plasma spraying gun head
Regulation female thread of helping pull a cart is engaged, and plasma spraying gun rearward end is stretched out and is fixed with cathode plasma air cooling cable, plasma gun
Insulation gun platform, cathode plasma air cooling cable and non-diverting electric arc anode seat are installed in body postmedian；
The anode seat bottom is provided with screw fixed anode connecting bolt, and anode plasma air cooling cable is through anode connecting bolt
It is connected in anode seat；
It is radially mounted in the middle part of the plasma spraying gun to have plasma (orifice) gas to accelerate mist pipe, plasma (orifice) gas to accelerate mist pipe and installation
Air slot connection in plasma gun body, on air slot between perforate and ceramic atomizer and non-diverting electric arc anode nozzle
Gas compression channel connection.
Further, the wire feeding mouth front portion lined ceramicses sleeve pipe constitutes wire feeding mouth ceramic lining-tube.
Further, the composite spray gun also includes powder feeding part, and powder feeding part includes powder feeding pipe and powder feeder, the anode
Seat is provided with powder feeding guide hole along the radial circumference of tubular central axis, fixed installation powder feeding pipe, powder feeding pipe in the powder feeding guide hole
Centrage intersects at spray gun longitudinal center line, and the spray gun longitudinal center line is by the air plasma spray gun negative electrode of gun head
Shaft centre line is overlapped and is constituted with the non-diverting electric arc anode nozzle shaft centre line of air plasma spray gun, powder feeding pipe and wire feed part
Conductive guidewire pipe be staggeredly arranged；The external powder feeder of powder feeding pipe.
The powder feeding pipe central axis are between the conductive guidewire pipe of spray gun longitudinal center line, powder feeding pipe and wire feed part
Angle is 90 degree.
The composite spray gun also includes also transferred arc water-cooled anode component, and the transferred arc water-cooled anode component includes
Transferred arc water-cooled anode, transferred arc anode water inlet pipe and transferred arc anode outlet pipe, the anode seat is along tubular center
Anode guide hole is provided with the vertical radial circumference of line, fixed installation transferred arc water-cooled anode component in the anode guide hole turns
Move electric arc water-cooled anode to stretch in anode seat, the transferred arc water-cooled anodes centre line intersects at spray gun longitudinal center line, transfer
Electric arc water-cooled anode is staggeredly arranged with powder feeding pipe, and transferred arc water-cooled anode is located under the conductive guidewire pipe of wire feed part
Side.
Further, in spray gun longitudinal center line, transferred arc water-cooled anodes centre line hangs down the powder feeding pipe central axis
The straight angle between spray gun longitudinal center line, powder feeding pipe and transferred arc water-cooled anode is 90 degree, transferred arc water-cooled anode with
The angle of the conductive guidewire pipe of wire feed part is 180 degree.
A kind of air plasma monofilament wire rod and powder composite spray gun, including gun head, insulation gun platform, plasma gun
Body, anode and cathode displacement governor motion；
The gun head is by air plasma spray gun negative electrode, the non-diverting electric arc anode nozzle of air plasma spray gun, ceramic mist
Change nozzle, anode seat and atomization gas lead column composition；Air plasma spray gun negative electrode and the non-diverting anode of air plasma spray gun
Nozzle is located in ceramic atomizer, and air plasma spray gun negative electrode and the non-diverting anode nozzle connection of air plasma spray gun are solid
It is scheduled in insulation gun platform, outside ceramic atomizer, is set with atomization gas lead column, outside atomization gas lead column, is set with anode seat, anode seat
For tubular；
The anode and cathode displacement governor motion is adjusted to help pull a cart and is constituted by anode seat, atomization gas lead column, anode and cathode, and anode and cathode is adjusted
The tubular helped pull a cart as top end outs open, bottom end whole opening, the tubular inboard face of the tubular bottom end is provided with interior spiral shell
Stricture of vagina, cylindrical internal screw thread are connected with plasma spraying gun head, are clipped in the raised annulus of atomization gas lead column and anode at the top of tubular
Between seat, rotation anode and cathode adjusts to help pull a cart and anode seat can be promoted to move left and right；
The plasma spraying gun head is installed in atomization gas lead column, is provided with external screw thread and anode and cathode on plasma spraying gun head
Regulation female thread of helping pull a cart is engaged, and plasma spraying gun rearward end is stretched out and is fixed with cathode plasma air cooling cable, plasma gun
Insulation gun platform, cathode plasma air cooling cable and non-diverting electric arc anode seat are installed in body postmedian；
The anode seat bottom is provided with screw fixed anode connecting bolt, and anode plasma air cooling cable is through anode connecting bolt
It is connected in anode seat；
The composite spray gun also includes：Powder feeding part and transferred arc water-cooled anode component；
The powder feeding part includes powder feeding pipe and powder feeder, and the anode seat is provided with along the radial circumference of tubular central axis
Fixed installation powder feeding pipe in powder feeding guide hole, the powder feeding guide hole, powder feeding pipe centrage intersect at spray gun longitudinal center line, the spray gun
Longitudinal center line is by the air plasma spray gun negative electrode shaft centre line and the non-diverting electric arc of air plasma spray gun of gun head
Anode nozzle shaft centre line overlaps and constitutes, the external powder feeder of powder feeding pipe；
The transferred arc water-cooled anode component includes transferred arc water-cooled anode, transferred arc anode water inlet pipe and transferred arc
Anode outlet pipe, the anode seat are provided with anode guide hole along the radial circumference of tubular central axis, in the anode guide hole
Fixed installation transferred arc water-cooled anode component, transferred arc water-cooled anode are stretched in anode seat, the transferred arc water-cooled anode
Centrage intersects at spray gun longitudinal center line, and transferred arc water-cooled anode is staggeredly arranged with powder feeding pipe.
Further, in spray gun longitudinal center line, transferred arc water-cooled anodes centre line hangs down the powder feeding pipe central axis
The straight angle between spray gun longitudinal center line, powder feeding pipe and transferred arc water-cooled anode is 90 degree.
Air plasma monofilament wire rod of the present invention and powder composite spray gun, which has three functions：Air etc. respectively from
Sub- monofilament wire rod spray gun, air plasma monofilament wire rod and powder composite spray gun, and air plasma transferred arc powder spray
Rifle.Composite spray gun with air plasma monofilament wire rod spray gun function, by wire feeding mouth lined ceramicses sleeve pipe, solving height
The key technology of warm high speed heavy wear nozzle, improves nozzle service life；Accelerate mist pipe by increasing plasma (orifice) gas, carry
High plasma torch speed, more preferable atomized powder, and improve sprayed coating bond strength.With air plasma monofilament wire rod
With the composite spray gun of powder composite spray gun function, using wire rod high temperature melting temperature, ceramics or metal dust are sent into into high temperature melting
Change forms composite coating, can produce various functions coating according to technological requirement, reduces metallurgical synthesis and remanufactures powder, can be convenient
Ground changes coating performance.Composite spray gun with air plasma dust gun function, is sprayed using air plasma monofilament wire rod
Rifle is changed its gun head and produces transferred arc using water-cooled anode, by powder powder feeder by powder feeding pipe be sent directly into etc. from
In sub- transferred arc, plasma transferred arc powder spray can be carried out.The present invention composite spray gun have three functions of a rifle, one
Spray gun can be used as three spray guns, air is adopted for plasma gass, it is cost-effective, it is safe and reliable.
Air plasma monofilament wire rod of the present invention and powder composite spray gun, gun design structure cylinder list, practical, negative and positive
Pole is adjusted axially electric arc, easy to adjust.The spray gun is applicable not only to air plasma monofilament wire spraying, is also applied for air etc.
Ion-transfer electrical arc powder is sprayed, and using easy to operate, spray-on coating quality is good, and cost is relatively low.
Description of the drawings
Fig. 1 is air plasma monofilament wire rod of the present invention and powder composite spray gun structural representation；
Fig. 2 is M-M in Fig. 1 to cross-sectional schematic；
Fig. 3 is atomization gas guide post structure schematic diagram；Wherein, Fig. 3 a are atomization gas lead column front view, during Fig. 3 b are Fig. 3 a
Heart sectional view.
Fig. 4 is wire feeding mouth structural representation.
In figure：1 arc light cover, 2 transferred arc water-cooled anodes, 3 wire rod transferred arc anodes, 4 wire feeding mouths, 5 wire feeding mouths ceramics
Bushing pipe, 6 conductive guidewire pipes, 7 anode seats, 8 hexagonal socket nuts, 9 wire feed seats, 10 wire rod wire-feed motors, 11 positioning screw caps, 12 seal wires dissipate
Hot seat, 13 atomization gas lead columns, 14 ceramic atomizers, 15 anode and cathodes are adjusted and are helped pull a cart, 16 non-diverting electric arc anode nozzles, and 17 is cloudy
Pole（Electrode）, 18 ring of eddies, 19 air inlet pipe, 20 air slots, 21 non-diverting electric arc anode seats, 22 insulation gun platforms, 23 high-frequency ignitions
Switch, 24 cathode plasma air cooling cables, 25 anode plasma air cooling cables, 26 inversion plasma power supplies, 27 air compressors,
28 plasma spraying guns, 29 plasma (orifice) gas acceleration mist pipe, 30 transferred arc anode water inlet pipes, 31 transferred arc anode outlet pipes,
32 powder feeding pipes, 33 powder feeders, 34 anode connecting bolts；
131 annulus, 132 annular grooves, 133 slotted holes.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 2, a kind of air plasma monofilament wire rod and powder composite spray gun, which has three functions：Respectively
It is air plasma monofilament wire rod spray gun, air plasma monofilament wire rod and powder composite spray gun, and air plasma transfer
Electrical arc powder spray gun.Introduce separately below.
Embodiment 1
A kind of air plasma monofilament wire rod and powder composite spray gun, which has air plasma monofilament wire rod spray gun function.Should
Composite spray gun, including gun head, insulation gun platform 22, plasma spraying gun 28, anode and cathode displacement governor motion, wire feed part；Outward
Enclosing part also includes wire rod wire-feed motor 10, inversion plasma power supply 26, air compressor 27.Referring in Fig. 1 and Fig. 2, Fig. 2：Send
Silk part is with A areas labelling.
The gun head is by the non-diverting electric arc anode nozzle of air plasma spray gun negative electrode 17, air plasma spray gun
16th, ceramic atomizer 14, anode seat 7 and atomization gas lead column 13 are constituted；Air plasma spray gun negative electrode 17 and air etc. from
The non-diverting anode nozzle 16 of sub- spray gun is located in ceramic atomizer 14.Air plasma spray gun negative electrode 17 and air plasma spray
The rifle non-diverting anode nozzle 16 non-diverting electric arc anode seat 21 of threaded connection, non-diverting electric arc anode seat 21 and insulation gun platform 22
Threaded connection, non-diverting electric arc anode seat 21 are connected with air slot 20, and insulation gun platform 22 is equipped with high-frequency ignition switch 23.Air
Plasma gun cathode assembly is by negative electrode（Electrode）17th, ring of eddy 18, air inlet pipe 19 and cathode plasma air cooling cable 24 are constituted.
17 shaft centre line of air plasma spray gun negative electrode of gun head and the non-diverting 16 axle center of anode nozzle of air plasma spray gun
Line overlaps and constitutes spray gun longitudinal center line, 14 outer suit atomization gas lead column 13 of ceramic atomizer, atomization gas lead column 13
Outer suit anode seat 7, anode seat 7 is tubular；Ceramic atomizer 14 and atomization gas lead column 13, atomization gas lead column 13 and sun
Electrode seat 7 is threaded connection.
The wire feed part includes conductive guidewire pipe 6, wire feeding mouth ceramic lining-tube 5, wire feeding mouth 4, seal wire radiating seat 12 and send
Silk seat 9,7 radial direction of anode seat are equipped with wire feed seat 9, and seal wire radiating seat 12 is housed on wire feed seat 9, built-in in seal wire radiating seat 12
There is conductive guidewire pipe 6, conductive guidewire pipe 6 is stretched in front of ceramic atomizer 14 through wire feed seat 9, fill at the top of conductive guidewire pipe 6
There is wire feeding mouth 4,4 anterior lined ceramicses bushing pipe of wire feeding mouth constitutes wire feeding mouth ceramic lining-tube 5, and referring to Fig. 4, the porcelain bushing is firm
Jade, so that solve transferred arc anode wire rod high temperature wear nozzle.Wire rod transferred arc anode 3 is passed through in conductive guidewire pipe 6,
Wire rod transferred arc anode 3 is by 10 located nut 11 of wire rod wire-feed motor is into the conductive guidewire pipe 6 of seal wire radiating seat 12 and send
Silk mouth 4 is sent, the air plasma spray gun negative electrode of wire rod transferred arc anode 3 and gun head（Electrode）17th, air plasma
The non-diverting anode nozzle 16 of spray gun constitutes plasma arc.6 central axis of conductive guidewire pipe in spray gun longitudinal center line, and
Intersect with spray gun longitudinal center line, 17 shaft centre line of air plasma spray gun negative electrode of gun head is non-with air plasma spray gun
Transfer 16 shaft centre line of anode nozzle overlaps and constitutes spray gun longitudinal center line.
The anode and cathode displacement governor motion is adjusted to help pull a cart and 15 is constituted by anode seat 7, atomization gas lead column 13, anode and cathode,
Anode and cathode adjusts 15 tubulars being all open for top end outs open, bottom end of helping pull a cart, in the tubular of the tubular bottom end
Side is provided with female thread, and cylindrical internal screw thread is connected with 28 head of plasma spraying gun；The atomization gas lead column 13 is cylindrical shape,
Back segment has a raised annulus 131 in the middle part of the cylindric outer surface, referring to Fig. 3（That is Fig. 3 a and Fig. 3 b）, in cylindrical shape
Outer surface leading portion portion be circumferentially provided with an annular groove 132, and be provided with several vertically in cylindric rear end face
Slotted hole 133, slotted hole 133 are communicated with annular groove 132, and annular groove 132 is corresponding with the anode connecting bolt 34, are used
With the gas being passed through in anode plasma air cooling cable；Anode and cathode adjust help pull a cart 15 tubular at the top of be clipped in atomization gas lead column 13
Between raised annulus 131 and anode seat 7, anode and cathode adjusts the 15 tubular inside top face of helping pull a cart and is provided with screw thread, the screw thread with
The external screw thread in 13 leading portion portion of atomization gas lead column is engaged, and rotation anode and cathode is adjusted to help pull a cart and 15 anode seat 7 can be promoted to move left and right,
And then promote wire feed seat 9 to move left and right, so as to adjust the wire rod transferred arc anode 3 on wire feed seat 9 and non-diverting sun
Along the distance that spray gun is axial between pole nozzle 16, so as to adjust the size of plasma arc.Simultaneously also can be by adjusting 7 edge of anode seat
360 degree of circumference rotates to change 10 orientation of wire-feed motor.
28 head of the plasma spraying gun is installed in atomization gas lead column 13, is provided with outer spiral shell on 28 head of plasma spraying gun
Stricture of vagina adjusts 15 female threads of helping pull a cart with anode and cathode and is engaged, and 28 rearward end of plasma spraying gun is stretched out and is fixed with cathode plasma air cooling
Cable 24 and high-frequency ignition switch 23, are provided with insulation gun platform 22, cathode plasma air cooling electricity in 28 postmedian of plasma spraying gun
Cable 24 and non-diverting electric arc anode seat 21.It is radially mounted in the middle part of the plasma spraying gun 28 to have plasma (orifice) gas to accelerate mist pipe
29, plasma (orifice) gas accelerate mist pipe 29 connect with the air slot 20 being installed in plasma spraying gun 28, on air slot 20 perforate with
Gas compression channel connection between ceramic atomizer 14 and non-diverting electric arc anode nozzle 16, gas add into air slot 20
Fast plasma gass secondary-atomizing powder, and flame speed is improved, reach supersonic speed wire spraying.Plasma (orifice) gas accelerates mist pipe
29 can constitute insulated handle functional unit.Cathode plasma air cooling cable 24 for can blowing air cooling cable, connected
Air is both plasma cooling gas and plasma working gas.High-frequency ignition switch 23 is connected to spray gun control system operation.
7 bottom of anode seat is provided with screw fixed anode connecting bolt 34, and anode plasma air cooling cable 25 is through sun
Pole connecting bolt 34 is connected in anode seat 7；Anode plasma air cooling cable 25 for can blowing air cable, the air for being connected
The gas that cable is atomized powder again can be cooled down.
The cathode plasma air cooling cable 24 and anode plasma air cooling cable 25 are connected to inversion plasma power supply 26
With air compressor 27, inversion plasma power supply 26 is IGBT inverters.The cathode plasma air cooling cable 24 and anode
Plasma air cooling cable 25 is that with 10 millimeters of rubber tubes of diameter of bore, interior logical multiply bare conductor is fabricated to.
The work of the air plasma monofilament wire rod with air plasma monofilament wire rod spray gun function and powder composite spray gun
As principle it is：The spraying method melted using the non-diverting electric arc striking of air plasma to transferred arc anode wire rod, using sun
Pole scaling loss principle, plasma transferred arc provide thermal source, and with high temperature and high speed feature, wire rod continuous conveying scaling loss is into metallic
Attritive powder is formed under plasma high speed and compressed air atomizing to be sprayed.
Air plasma monofilament wire rod with air plasma monofilament wire rod spray gun function and powder composite spray gun whole
After installation is connected, in wire rod insertion conductive guidewire pipe 6, adjust anode and cathode and adjust and help pull a cart 15, adjust wire rod transferred arc anode 3
With the non-diverting electric arc anode nozzle 16 of plasma gun, it is 2～3 millimeters along spray gun axial distance, is transferred arc distance, air
The air pressure of compressor 27 is adjusted to 0.4～0.5MPa, and wire rod wire-feed motor 10 switches on power control wire feed rate, inversion etc. from
Suitable electric current is opened and be adjusted to sub- power supply 26, and opens high-frequency ignition switch 23, you can carries out monofilament wire spraying use.
Embodiment 2
A kind of air plasma monofilament wire rod and powder composite spray gun, which has air plasma monofilament wire rod with the compound spray of powder
Rifle function.The composite spray gun, including gun head, insulation gun platform 22, plasma spraying gun 28, anode and cathode displacement governor motion, send
Silk part, powder feeding part；Peripheral components also include wire rod wire-feed motor 10, inversion plasma power supply 26, air compressor 27.Referring to
In Fig. 1 and Fig. 2, Fig. 2：, with A areas labelling, powder feeding part is with B areas labelling for wire feed part.
The gun head, insulation gun platform 22, plasma spraying gun 28, anode and cathode displacement governor motion, wire feed part are strictly according to the facts
Apply described in example 1.
The powder feeding part includes powder feeding pipe 32 and powder feeder 33, radial direction of the anode seat 7 along tubular central axis
Powder feeding guide hole is provided with circumference, and fixed installation powder feeding pipe 32 in the powder feeding guide hole, 32 centrage of powder feeding pipe intersect at spray gun axial direction
Centrage, the spray gun longitudinal center line be 17 shaft centre line of air plasma spray gun negative electrode and air by gun head etc. from
Non-diverting 16 shaft centre line of electric arc anode nozzle of sub- spray gun overlaps and constitutes, the conductive guidewire pipe of the powder feeding pipe 32 and wire feed part
6 are staggeredly arranged；32 external powder feeder 33 of powder feeding pipe, powder feeder 33 are high-precision quantitative powder feeder.
One preferred embodiment is：32 central axis of the powder feeding pipe in spray gun longitudinal center line, powder feeding pipe 32 with
Between the conductive guidewire pipe 6 of wire feed part, angle is 90 degree.The non-diverting electric arc anode nozzle of powder feeding pipe 32 and plasma gun 16
It it is 2～3 millimeters along spray gun axial distance.
It is multiple with the air plasma monofilament wire rod of powder composite spray gun function and powder with air plasma monofilament wire rod
Close spray gun operation principle be：Wire rod fusing high temperature is produced using air plasma monofilament wire rod transferred arc, technique is needed
Various metal ceramic powder powder feeders send into transferred arc high-temperature regions and melt to form composite coating, the composite coating material energy
Save existing metallurgical manufacture composite wire.
It is multiple with the air plasma monofilament wire rod of powder composite spray gun function and powder with air plasma monofilament wire rod
Conjunction spray gun is all installed after connecting, after adjusting by the air plasma monofilament wire rod spray gun control method in embodiment 1, then
The voltage of high-precision quantitative powder feeder 33 is adjusted, high-frequency ignition switch 23 is opened, you can sprayed.
Embodiment 3
A kind of air plasma monofilament wire rod and powder composite spray gun, which has air plasma transferred arc dust gun work(
Energy.The composite spray gun, including gun head, insulation gun platform 22, plasma spraying gun 28, anode and cathode displacement governor motion, powder feeding portion
Part, transferred arc water-cooled anode component；Peripheral components also include that wire rod wire-feed motor 10, inversion plasma power supply 26, air compress
Machine 27.Referring in Fig. 1 and Fig. 2, Fig. 2：, with B areas labelling, transferred arc water-cooled anode component is with C areas labelling for powder feeding part.
The gun head, insulation gun platform 22, plasma spraying gun 28, anode and cathode displacement governor motion are as described in Example 1.
The powder feeding part includes powder feeding pipe 32 and powder feeder 33, radial direction of the anode seat 7 along tubular central axis
Powder feeding guide hole is provided with circumference, and fixed installation powder feeding pipe 32 in the powder feeding guide hole, 32 centrage of powder feeding pipe intersect at spray gun axial direction
Centrage, the spray gun longitudinal center line be 17 shaft centre line of air plasma spray gun negative electrode and air by gun head etc. from
Non-diverting 16 shaft centre line of electric arc anode nozzle of sub- spray gun overlaps and constitutes, the 32 external powder feeder 33 of powder feeding pipe, powder feeder 33
For high-precision quantitative powder feeder.
The transferred arc water-cooled anode component includes transferred arc water-cooled anode 2,30 and of transferred arc anode water inlet pipe
Transferred arc anode outlet pipe 31, the anode seat 7 are provided with anode guide hole along the radial circumference of tubular central axis, the sun
Fixed installation transferred arc water-cooled anode component in the guide hole of pole, transferred arc water-cooled anode 2 are stretched in anode seat 7, the transfer electricity
2 centrage of arc water-cooled anode intersects at spray gun longitudinal center line, and the transferred arc water-cooled anode 2 is staggeredly arranged with powder feeding pipe 32,
The transferred arc water-cooled anode component adopts water-cooled.
One preferred embodiment is：32 central axis of the powder feeding pipe are in spray gun longitudinal center line, transferred arc water
2 central axis of cold anode angle between spray gun longitudinal center line, powder feeding pipe 32 and transferred arc water-cooled anode 2 is 90 degree.
Powder feeding pipe 32 and the non-diverting electric arc anode nozzle 16 of plasma gun are 2～3 millimeters along spray gun axial distance.Transferred arc water-cooled
Anode 2 and the non-diverting electric arc anode nozzle 16 of plasma gun are 2～3 millimeters along spray gun axial distance.
Air plasma monofilament wire rod with air plasma transferred arc dust gun function and powder composite spray gun
Operation principle be：Transferred arc water-cooled anode 2 is transferred to by the non-diverting electric arc anode nozzle of air plasma 16, air is formed
Plasma transferred arc produces transferred arc high-temperature region, various metal ceramic powders is sent into transferred arc with powder feeder then high
Warm area carries out air plasma transferred arc powder spray.
Air plasma monofilament wire rod with air plasma transferred arc dust gun function and powder composite spray gun
All install after connecting, adjust anode and cathode and adjust and help pull a cart 15, adjust powder feeding pipe 32 and the non-diverting electric arc anode of plasma gun
Nozzle 16 is 2～3 millimeters along spray gun axial distance, adjusts transferred arc water-cooled anode 2 with the non-diverting electric arc sun of plasma gun
Pole nozzle 16 is 2～3 millimeters along spray gun axial distance, then adjusts the voltage of high-precision quantitative powder feeder 33, adjusts transferred arc
The hydraulic pressure of anode water inlet pipe 30 and transferred arc anode outlet pipe 31, inversion plasma power supply 26 are opened and are adjusted to suitable electricity
Stream, opens high-frequency ignition switch 23, you can carry out air plasma transferred arc powder spray.
A kind of air plasma monofilament wire rod of the present invention and powder composite spray gun, can be provided with simultaneously in anode seat 7 and send
Silk part, powder feeding part, transferred arc water-cooled anode component；Referring in Fig. 1 and Fig. 2, Fig. 2：Wire feed part is sent with A areas labelling
, with B areas labelling, transferred arc water-cooled anode component is with C areas labelling for powder part.On anode seat 7, these three parts are preferably arranged
For：The conductive guidewire pipe 6 of wire feed part is 90 degree with the angle of the powder feeding pipe 32 of powder feeding part, the powder feeding pipe 32 of powder feeding part with
Between transferred arc water-cooled anode 2, angle is 90 degree, the folder of the conductive guidewire pipe 6 of transferred arc water-cooled anode 2 and wire feed part
Angle is 180 degree, and positioned at 7 top of anode seat, transferred arc water-cooled anode 2 is located under anode seat 7 the conductive guidewire pipe 6 of wire feed part
Portion.The central axis of the conductive guidewire pipe 6 of the wire feed part are in spray gun longitudinal center line, the powder feeding pipe of the powder feeding part
, in spray gun longitudinal center line, 2 central axis of transferred arc water-cooled anode are in spray gun longitudinal center line, powder feeding for 32 central axis
Pipe 32 is 2～3 millimeters with the non-diverting electric arc anode nozzle 16 of plasma gun along spray gun axial distance, powder feeding pipe 32 and plasma
The non-diverting electric arc anode nozzle 16 of spray gun is 2～3 millimeters along spray gun axial distance, transferred arc water-cooled anode 2 and plasma spray
The non-diverting electric arc anode nozzle 16 of rifle is 2～3 millimeters along spray gun axial distance.
Difference according to requirements, is used alone wire feed part, a kind of air plasma list of the invention on anode seat 7
Silk thread material has air plasma monofilament wire rod spray gun function with powder composite spray gun；Use wire feed portion on anode seat 7 simultaneously
Part and powder feeding part, a kind of air plasma monofilament wire rod of the invention have air plasma monofilament wire rod with powder composite spray gun
With powder composite spray gun function；Use powder feeding part and transferred arc water-cooled anode component, the present invention one on anode seat 7 simultaneously
Plant air plasma monofilament wire rod and there is air plasma transferred arc dust gun function with powder composite spray gun.
Air plasma monofilament wire rod of the present invention is good with powder composite spray gun using effect, and spray-on coating quality is good, applies
Layer bond strength is high, low using wire rod cost-saving, and main screw lift is light, using easy to operate, is applicable to indoor spraying, outdoor existing
The spraying of field building site.
These are only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention, therefore, it is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., should be included in the protection model of the present invention
Within enclosing.
Claims (8)
1. a kind of air plasma monofilament wire rod and powder composite spray gun, including gun head, insulation gun platform（22）, plasma gun
Body（28）, anode and cathode displacement governor motion, wire feed part；
The gun head is by air plasma spray gun negative electrode（17）, the non-diverting electric arc anode nozzle of air plasma spray gun
（16）, ceramic atomizer（14）, anode seat（7）With atomization gas lead column（13）Composition；Air plasma spray gun negative electrode（17）
With the non-diverting anode nozzle of air plasma spray gun（16）Positioned at ceramic atomizer（14）It is interior, air plasma spray gun negative electrode
（17）With the non-diverting anode nozzle of air plasma spray gun（16）It is fastened on insulation gun platform（22）It is interior, ceramic atomizer
（14）Outer suit atomization gas lead column（13）, atomization gas lead column（13）Outer suit anode seat（7）, anode seat（7）For tubular；
The wire feed part includes conductive guidewire pipe（6）, wire feeding mouth（4）, wire feed seat（9）, the anode seat（7）Radially it is equipped with and send
Silk seat（9）, conductive guidewire pipe（6）Through wire feed seat（9）Stretch to ceramic atomizer（14）Front, conductive guidewire pipe（6）Top
Equipped with wire feeding mouth（4）, conductive guidewire pipe（6）It is interior through wire rod transferred arc anode（3）, wire rod transferred arc anode（3）With spray
The air plasma spray gun negative electrode in pipette tips portion（17）, the non-diverting anode nozzle of air plasma spray gun（16）Constitute plasma arc；
The anode and cathode displacement governor motion is by anode seat（7）, atomization gas lead column（13）, anode and cathode adjust help pull a cart（15）Group
Into anode and cathode is adjusted and helped pull a cart（15）For the tubular that top end outs open, bottom end are all open, the cylinder of the tubular bottom end
Shape medial surface is provided with female thread, cylindrical internal screw thread and plasma spraying gun（28）Head is connected, and is clipped in atomization conductance at the top of tubular
Xiang Zhu（13）Raised annulus（131）With anode seat（7）Between, rotation anode and cathode is adjusted helps pull a cart（15）Anode seat can be promoted（7）
Move left and right；
The plasma spraying gun（28）Head is installed on atomization gas lead column（13）On, plasma spraying gun（28）It is provided with head outer
Screw thread is adjusted with anode and cathode and is helped pull a cart（15）Female thread is engaged, plasma spraying gun（28）Rearward end stretch out and be fixed with negative electrode etc. from
The cold cable of edema of the legs during pregnancy（24）, plasma spraying gun（28）Insulation gun platform is installed in postmedian（22）, cathode plasma air cooling cable
（24）With non-diverting electric arc anode seat（21）；
The anode seat（7）Bottom is provided with screw fixed anode connecting bolt（34）, anode plasma air cooling cable（25）Through
Anode connecting bolt（34）It is connected to anode seat（7）It is interior；
It is characterized in that：
The plasma spraying gun（28）Middle part is radially mounted to have plasma (orifice) gas to accelerate mist pipe（29）, plasma (orifice) gas acceleration atomization
Pipe（29）Be installed on plasma spraying gun（28）Interior air slot（20）Connection, air slot（20）Upper perforate and ceramic atomizer
（14）With non-diverting electric arc anode nozzle（16）Between gas compression channel connection.
2. air plasma monofilament wire rod according to claim 1 and powder composite spray gun, is characterized in that：The wire feeding mouth
（4）Anterior lined ceramicses sleeve pipe constitutes wire feeding mouth ceramic lining-tube（5）.
3. air plasma monofilament wire rod according to claim 1 and powder composite spray gun, is characterized in that：The compound spray
Rifle also includes powder feeding part, and powder feeding part includes powder feeding pipe（32）And powder feeder（33）, the anode seat（7）Along tubular centrage
Powder feeding guide hole is provided with vertical radial circumference, fixed installation powder feeding pipe in the powder feeding guide hole（32）, powder feeding pipe（32）Centrage
Spray gun longitudinal center line is intersected at, the spray gun longitudinal center line is by the air plasma spray gun negative electrode of gun head（17）Axle
Centrage and the non-diverting electric arc anode nozzle of air plasma spray gun（16）Shaft centre line overlaps and constitutes, powder feeding pipe（32）With give
The conductive guidewire pipe of silk part（6）It is staggeredly arranged；Powder feeding pipe（32）External powder feeder（33）.
4. air plasma monofilament wire rod according to claim 3 and powder composite spray gun, is characterized in that：The powder feeding pipe
（32）Central axis are in spray gun longitudinal center line, powder feeding pipe（32）With the conductive guidewire pipe of wire feed part（6）Between angle be
90 degree.
5. air plasma monofilament wire rod according to claim 3 and powder composite spray gun, is characterized in that：The compound spray
Rifle also includes transferred arc water-cooled anode component, and the transferred arc water-cooled anode component includes transferred arc water-cooled anode（2）、
Transferred arc anode water inlet pipe（30）With transferred arc anode outlet pipe（32）, the anode seat（7）Along tubular central axis
Radial circumference on be provided with anode guide hole, fixed installation transferred arc water-cooled anode component, transferred arc in the anode guide hole
Water-cooled anode（2）Stretch into anode seat（7）It is interior, the transferred arc water-cooled anode（2）Centrage intersects at spray gun longitudinal center line, turns
Move electric arc water-cooled anode（2）With powder feeding pipe（32）It is staggeredly arranged, and transferred arc water-cooled anode（2）Positioned at leading for wire feed part
Conductance fiber tube（6）Lower section.
6. air plasma monofilament wire rod according to claim 5 and powder composite spray gun, is characterized in that：The powder feeding pipe
（32）Central axis are in spray gun longitudinal center line, transferred arc water-cooled anode（2）Central axis in spray gun longitudinal center line,
Powder feeding pipe（32）With transferred arc water-cooled anode（2）Between angle be 90 degree, transferred arc water-cooled anode（2）With wire feed part
Conductive guidewire pipe（6）Angle be 180 degree.
7. a kind of air plasma monofilament wire rod and powder composite spray gun, including gun head, insulation gun platform（22）, plasma gun
Body（28）, anode and cathode displacement governor motion；
The gun head is by air plasma spray gun negative electrode（17）, the non-diverting electric arc anode nozzle of air plasma spray gun
（16）, ceramic atomizer（14）, anode seat（7）With atomization gas lead column（13）Composition；Air plasma spray gun negative electrode（17）
With the non-diverting anode nozzle of air plasma spray gun（16）Positioned at ceramic atomizer（14）It is interior, air plasma spray gun negative electrode
（17）With the non-diverting anode nozzle of air plasma spray gun（16）It is fastened on insulation gun platform（22）It is interior, ceramic atomizer
（14）Outer suit atomization gas lead column（13）, atomization gas lead column（13）Outer suit anode seat（7）, anode seat（7）For tubular；
The anode and cathode displacement governor motion is by anode seat（7）, atomization gas lead column（13）, anode and cathode adjust help pull a cart（15）Group
Into anode and cathode is adjusted and helped pull a cart（15）For the tubular that top end outs open, bottom end are all open, the cylinder of the tubular bottom end
Shape medial surface is provided with female thread, cylindrical internal screw thread and plasma spraying gun（28）Head is connected, and is clipped in atomization conductance at the top of tubular
Xiang Zhu（13）Raised annulus（131）With anode seat（7）Between, rotation anode and cathode is adjusted helps pull a cart（15）Anode seat can be promoted（7）
Move left and right；
The plasma spraying gun（28）Head is installed on atomization gas lead column（13）On, plasma spraying gun（28）It is provided with head outer
Screw thread is adjusted with anode and cathode and is helped pull a cart（15）Female thread is engaged, plasma spraying gun（28）Rearward end stretch out and be fixed with negative electrode etc. from
The cold cable of edema of the legs during pregnancy（24）, plasma spraying gun（28）Insulation gun platform is installed in postmedian（22）, cathode plasma air cooling cable
（24）With non-diverting electric arc anode seat（21）；
The anode seat（7）Bottom is provided with screw fixed anode connecting bolt（34）, anode plasma air cooling cable（25）Through
Anode connecting bolt（34）It is connected to anode seat（7）It is interior；
It is characterized in that：
The composite spray gun also includes：Powder feeding part and transferred arc water-cooled anode component；
The powder feeding part includes powder feeding pipe（32）And powder feeder（33）, the anode seat（7）Along the footpath of tubular central axis
Powder feeding guide hole is provided with circumference, fixed installation powder feeding pipe in the powder feeding guide hole（32）, powder feeding pipe（32）Centrage intersects at spray
Rifle longitudinal center line, the spray gun longitudinal center line are by the air plasma spray gun negative electrode of gun head（17）Shaft centre line with
The non-diverting electric arc anode nozzle of air plasma spray gun（16）Shaft centre line overlaps and constitutes, powder feeding pipe（32）External powder feeder
33；
The transferred arc water-cooled anode component includes transferred arc water-cooled anode（2）, transferred arc anode water inlet pipe（30）With
Transferred arc anode outlet pipe（31）, the anode seat（7）Anode is provided with along the radial circumference of tubular central axis to lead
Fixed installation transferred arc water-cooled anode component, transferred arc water-cooled anode in hole, the anode guide hole（2）Stretch into anode seat（7）
It is interior, the transferred arc water-cooled anode（2）Centrage intersects at spray gun longitudinal center line, transferred arc water-cooled anode（2）With powder feeding
Pipe（32）It is staggeredly arranged.
8. air plasma monofilament wire rod according to claim 7 and powder composite spray gun, is characterized in that：The powder feeding pipe
（32）Central axis are in spray gun longitudinal center line, transferred arc water-cooled anode（2）Central axis in spray gun longitudinal center line,
Powder feeding pipe（32）With transferred arc water-cooled anode（2）Between angle be 90 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610758112.2A CN106513198A (en) | 2016-08-30 | 2016-08-30 | Air plasma monofilament wire and powder composite spray gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758112.2A CN106513198A (en) | 2016-08-30 | 2016-08-30 | Air plasma monofilament wire and powder composite spray gun |
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| CN106513198A true CN106513198A (en) | 2017-03-22 |
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| CN201610758112.2A Withdrawn CN106513198A (en) | 2016-08-30 | 2016-08-30 | Air plasma monofilament wire and powder composite spray gun |
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| CN110834099A (en) * | 2019-11-25 | 2020-02-25 | 沈阳工业大学 | Plasma intermediate wire feeding gas atomization powder making nozzle and use method thereof |
| CN111729794A (en) * | 2020-07-01 | 2020-10-02 | 黄淑珠 | Paint spraying device for magnesium alloy wire |
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