CN107930885A - A kind of rotatable endoporus Twin wire arc spray gun - Google Patents
A kind of rotatable endoporus Twin wire arc spray gun Download PDFInfo
- Publication number
- CN107930885A CN107930885A CN201711374989.2A CN201711374989A CN107930885A CN 107930885 A CN107930885 A CN 107930885A CN 201711374989 A CN201711374989 A CN 201711374989A CN 107930885 A CN107930885 A CN 107930885A
- Authority
- CN
- China
- Prior art keywords
- spray gun
- wire
- sheath
- revolution
- fixing axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 64
- 238000003466 welding Methods 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000013528 metallic particle Substances 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000889 atomisation Methods 0.000 abstract description 5
- 238000010923 batch production Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a kind of rotatable endoporus Twin wire arc spray gun,Including sequentially connected revolution sheath and spray gun cap,Fixing axle is provided with revolution sheath,Connected between fixing axle and revolution sheath by upper bearing (metal) and lower bearing,Revolution sheath can be rotated around fixing axle,And spray gun cap is driven to rotate,Auxiliary gas entrance is provided with the top of fixing axle,Fixing axle is internally provided with main gas circuit and auxiliary gas circuit,The main gas blowout mouth communicated with main gas circuit and the auxiliary gas blowout mouth communicated with auxiliary gas circuit are provided with spray gun cap,Double welding wires stretch out the outside of spray gun cap by auxiliary gas blowout mouth,And it is crossed to form double welding wire focuses,Auxiliary gas is sprayed by auxiliary gas blowout mouth,For being atomized to double welding wires of arc-melting,Main gas sprays compressed air by main gas blowout mouth,In the case where revolution sheath drives around double welding wire focus rotations,The metallic particles of atomization is sprayed on object to be painted.Present invention optimizes the structure of arc pistol, production efficiency is improved, is adapted to automatic batch production.
Description
Technical field
The present invention relates to thermal spraying on surface field of engineering technology, more particularly to a kind of rotatable endoporus Twin wire arc spray gun.
Background technology
Plasma spray technology can effectively change the surface property of part, such as improve wearability, anti-corrosive properties, insulating properties, lead
Electrically, reducing friction resistance etc..Twin wire arc spray is a kind of efficient plasma spray technology, it using plasma-arc as heat source,
The metal wire material high-speed gas atomization that will be dissolved, and metallic particles is ejected into workpiece surface at a high speed and forms coating.
The application of plasma spray technology is very extensive, for example with the engine aluminum cylinder of metal spray by plasma process
Body, overcomes engine and is cast into the deficiency that cylinder sleeve Conventional processing methods are brought, as heat-conductive characteristic is poor, cylinder sleeve and cast aluminium matrix by
In the different peelings produced of thermal coefficient of expansion, while using the aluminum cylinder of metal spray by plasma process, alleviate
Engine weight, improves wearability, the micro-pore of electric arc spraying self-assembling formation, significantly improves the lubricity of engine
Can, reduce the fuel consumption that friction is brought, reduce carbon discharge capacity.
Traditional twin wire arc spray rifle, spinfunction can not be usually realized in wire feed.In the prior art, patent Shen
Number please disclose a kind of endoporus Twin wire arc rotary spraying equipment for CN201710478936, the characteristics of patent be wire tray together with
Wire-feed motor is fixed on rotating shaft and rotates together.Although the patent can realize revolution spraying, since wire tray needs to participate in back
Turn, the size of wire tray receives certain limitation, since engine production is of large quantities, the production capacity of producing line be generally 30-40 ten thousand/
Year, daily production capacity is up to 1000, and each cylinder body spraying needs 1Kg welding wires, and the silk material capacity of each wire tray is calculated with 20Kg, spray
Automatic doubler surface glouer consumes silk material 20Kg per hour, therefore every 2 hours are required to re-replace welding wire, and therefore, above-mentioned design is not suitable for
Automatic batch production.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the present invention proposes a kind of rotatable endoporus Twin wire arc spray
Rifle, so that the weight and structure of wire tray are unrestricted, optimizes the structure of electric arc spraying equipment, raw suitable for automation batch
Production.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of rotatable endoporus Twin wire arc spray gun, including sequentially connected revolution sheath and spray gun cap, the revolution shield
Fixing axle is provided with set, is connected between the fixing axle and the revolution sheath by upper bearing (metal) and lower bearing, the revolution
Sheath can be rotated around the fixing axle, and drive the spray gun cap to rotate, be provided with the top of the fixing axle main gas entrance and
Auxiliary gas entrance, the fixing axle are internally provided with main gas circuit and auxiliary gas circuit, are provided with the spray gun cap and the main gas circuit phase
Logical main gas blowout mouth and the auxiliary gas blowout mouth communicated with the auxiliary gas circuit, double welding wires stretch out the spray gun cap by the auxiliary gas blowout mouth
Outside, and be crossed to form double welding wire focuses, auxiliary gas is sprayed by the auxiliary gas blowout mouth, for double welding wires to arc-melting into
Row atomization, main gas pass through the sealing that is made of the fixing axle, the revolution sheath with the spray gun cap through the main gas circuit
The main gas blowout mouth that compression ring passage enters the spray gun cap sprays, and the main gas blowout mouth rotates under the drive of the revolution sheath,
Main gas sprays compressed air by the main gas blowout mouth, and the metallic particles that atomization obtains is sprayed on object to be painted.
Preferably, the revolution sheath is connected with servomotor, is driven and rotated by the servomotor.
Preferably, wire feeding guiding tube is connected with the middle part of the fixing axle, double welding wires are drawn by the wire feeding guiding tube.
Preferably, the wire feeding guiding tube is connected by wire-feed motor with wire tray, the wire tray and the wire-feed motor and described pair
Silk arc pistol is separately positioned, and the wire tray and the wire-feed motor are without the fixing axle rotation around the Twin wire arc spray gun
Movement.
Preferably, the revolution sheath forms the compression ring passage of sealing with the fixing axle, and the main gas blowout mouth is described
Turn round under the drive of sheath and rotated around welding wire molten drop, welding wire molten drop is ejected into zero by the compressed air that the main gas blowout mouth sprays
Part interior walls, the main gas circuit separate with the auxiliary gas circuit, and the air pressure of main gas and auxiliary gas is separately adjustable not to be interfere with each other, wherein main gas
Pressure is higher than auxiliary atmospheric pressure.
Compared with prior art, the invention has the advantages that：
1. rotatable endoporus Twin wire arc spray gun of the present invention, wire tray and wire-feed motor are fixed, and wire tray need not collect
Into on spraying equipment, it can be separated with spraying equipment so that the weight and structure of wire tray are unrestricted, optimize arc pistol
Structure, improves the reliability of equipment.
2. the present invention can largely increase the welding wire capacity of wire tray, the welding wire capacity of wire tray can increase to 250
Kilogram even bigger, wire tray is placed at the rear vacant lot of spraying equipment, without frequently replace wire tray test specimen, improve
Production efficiency, suitable for automatic batch production.
Brief description of the drawings
Fig. 1 is the appearance diagram of rotatable endoporus Twin wire arc spray gun of the present invention；
Fig. 2 is profiles of the Fig. 1 along A-A directions.
In figure：1- revolution sheaths, 2- fixing axles, 3- spray gun caps, 4- upper bearing (metal)s, 5- lower bearings, the auxiliary gas circuits of 6-, the auxiliary gas of 7- enter
Mouthful, the main gas entrances of 8-, the main gas circuits of 9-, the main gas blowout mouths of 10-, the auxiliary gas blowout mouths of 11-, the double welding wire focuses of 12-, 13- wire feeding guiding tubes.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
The present invention provides a kind of rotatable endoporus Twin wire arc spray gun, as depicted in figs. 1 and 2, the Twin wire arc spray
Rifle includes sequentially connected revolution sheath 1 and spray gun cap 3, turns round in sheath 1 and is provided with fixing axle 2, fixing axle 2 and revolution sheath
Being connected between 1 by upper bearing (metal) 4 and lower bearing 5, revolution sheath 1 can be rotated around fixing axle 2, and drive spray gun cap 3 to rotate, Gu
The top of dead axle 2 is provided with main gas entrance 8 and auxiliary gas entrance 7, and fixing axle 2 is internally provided with main gas circuit 9 and auxiliary gas circuit 6, spray gun cap 3
On be provided with the main gas blowout mouth 10 communicated with main gas circuit 9 and the auxiliary gas blowout mouth 11 communicated with auxiliary gas circuit 6, double welding wires pass through auxiliary gas blowout
Mouth 11 stretches out the outside of spray gun caps 3, and is crossed to form double welding wire focuses 12, and auxiliary gas is sprayed by auxiliary gas blowout mouth 11, for electricity
Double welding wires of arc melting are atomized, and main gas is close by being made of fixing axle 2, revolution sheath 1 with spray gun cap 3 through main gas circuit 9
The main gas blowout mouth 10 that the compression ring passage of envelope enters spray gun cap 3 sprays, and main gas blowout mouth 10 rotates under the drive of revolution sheath 1, main
Gas sprays compressed air by main gas blowout mouth 10, and the metallic particles that atomization obtains is sprayed on object to be painted.
Further, revolution sheath 1 is connected with servomotor, is driven and rotated by servomotor.
Further, the middle part of fixing axle 2 is connected with wire feeding guiding tube 13, and double welding wires are drawn by wire feeding guiding tube 13.
Further, wire feeding guiding tube 13 is connected by wire-feed motor with wire tray, and wire tray and wire-feed motor are sprayed with the Twin wire arc
Rifle is separately positioned, and wire tray and wire-feed motor optimize the structure of arc pistol without the rotary motion around fixing axle 2 so that
The weight of wire tray is unrestricted, it is possible to increase the welding wire capacity of wire tray, it is raw more suitable for automation batch without frequently replacing wire tray
Production.
Preferably, the compression ring passage that sheath 1 forms sealing with fixing axle 2, (but being not limited only to this mode), main gas are turned round
Spout 10 rotates under the drive of revolution sheath 1 around welding wire molten drop, and the compressed air that main gas blowout mouth 10 sprays is by welding wire molten drop
Part interior walls are ejected at a high speed, main gas circuit 9 separates with auxiliary gas circuit 6, and the air pressure of main gas and auxiliary gas is separately adjustable not to be interfere with each other, its
Middle main atmospheric pressure is higher than auxiliary atmospheric pressure.
In the present invention, spraying wire is not involved in rotary motion used by the arc pistol, and spray-coating welding wire is in wire feed
Under the driving of machine, sent out by auxiliary gas blowout mouth 11, and melted under the action of electric arc, pressure-air with melt silk material it is vertical or into
Certain angle is sprayed by main gas blowout mouth 10, and 360 degree of rotary motion is done under drive of the silk material molten drop in revolution sheath,
The metallic particles of molten condition is ejected into workpiece Inner cavity walls.
The rotatable endoporus Twin wire arc spray gun is particularly suitable for the part of large-scale workpiece endoporus or unsuitable rotary motion
The automatic spraying of (such as multicylinder engine cylinder holes inner wall), exemplified by spraying cylinder, the course of work is as follows：
Sheath 1 is turned round under the drive of servomotor, is rotated around fixing axle 2, drives the main gas blowout mouth of 3 component of spray gun cap
10 rotate around double welding wire focuses 12, and double welding wires intersect at double welding wire focuses 12 by the wire feeding guiding tube 13 among fixing axle 2
Put, produce arc-melting welding wire, auxiliary gas is melted by auxiliary gas entrance 7 along auxiliary gas circuit 6 from 11 pairs of the auxiliary gas blowout mouth of spray gun cap 3
Welding wire is atomized, at the same main gas by main gas entrance 8 along main gas circuit 9, the main gas blowout mouth 10 through spray gun cap 3 sprays, the height of formation
The metallic particles high-velocity spray of atomization on engine air casing wall, is formed uniform protective coating by pressure gas stream.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further
Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of rotatable endoporus Twin wire arc spray gun, it is characterised in that including sequentially connected revolution sheath and spray gun cap, institute
State and fixing axle be provided with revolution sheath, connected between the fixing axle and the revolution sheath by upper bearing (metal) and lower bearing,
The revolution sheath can be rotated around the fixing axle, and drive the spray gun cap to rotate, and master is provided with the top of the fixing axle
Gas entrance and auxiliary gas entrance, the fixing axle are internally provided with main gas circuit and auxiliary gas circuit, be provided with the spray gun cap with it is described
The main gas blowout mouth that main gas circuit communicates and the auxiliary gas blowout mouth communicated with the auxiliary gas circuit, double welding wires stretch out institute by the auxiliary gas blowout mouth
The outside of spray gun cap is stated, and is crossed to form double welding wire focuses, auxiliary gas is sprayed by the auxiliary gas blowout mouth, for arc-melting
Double welding wires are atomized, and main gas is through the main gas circuit, by being made of the fixing axle, the revolution sheath with the spray gun cap
The compression ring passage of sealing enter the main gas blowout mouth of the spray gun cap and spray, be sprayed on for obtained metallic particles will to be atomized and treat
Spray on object.
2. Twin wire arc spray gun according to claim 1, it is characterised in that the revolution sheath is connected with servomotor,
Driven and rotated by the servomotor.
3. Twin wire arc spray gun according to claim 1, it is characterised in that be connected with wire feed in the middle part of the fixing axle and lead
Pipe, double welding wires are drawn by the wire feeding guiding tube.
4. Twin wire arc spray gun according to claim 3, it is characterised in that the wire feeding guiding tube passes through wire-feed motor and wire tray
Be connected, the wire tray and the wire-feed motor and the Twin wire arc spray gun are separately positioned, the wire tray and the wire-feed motor not into
Fixing axle rotary motion of the row around the Twin wire arc spray gun.
5. Twin wire arc spray gun according to claim 1, it is characterised in that the revolution sheath is formed with the fixing axle
The compression ring passage of sealing, the main gas blowout mouth rotate under the drive of the revolution sheath around welding wire molten drop, the main gas blowout
Welding wire molten drop is ejected into part interior walls by mouthful compressed air sprayed, and the main gas circuit separates with the auxiliary gas circuit, main gas with
The air pressure of auxiliary gas is separately adjustable not to be interfere with each other, wherein main atmospheric pressure is higher than auxiliary atmospheric pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374989.2A CN107930885A (en) | 2017-12-19 | 2017-12-19 | A kind of rotatable endoporus Twin wire arc spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711374989.2A CN107930885A (en) | 2017-12-19 | 2017-12-19 | A kind of rotatable endoporus Twin wire arc spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107930885A true CN107930885A (en) | 2018-04-20 |
Family
ID=61942313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711374989.2A Pending CN107930885A (en) | 2017-12-19 | 2017-12-19 | A kind of rotatable endoporus Twin wire arc spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107930885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976153A (en) * | 2019-09-20 | 2020-04-10 | 北京联合涂层技术有限公司 | Arc spray gun rotating equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3902736A1 (en) * | 1989-01-31 | 1990-08-02 | Spraytec Oberflaechentech | ARC SPRAYING SYSTEM FOR HIGH-PERFORMANCE SPRAYING OF SOLID AND FILLED WIRE |
| US6372298B1 (en) * | 2000-07-21 | 2002-04-16 | Ford Global Technologies, Inc. | High deposition rate thermal spray using plasma transferred wire arc |
| CN103429354A (en) * | 2010-12-22 | 2013-12-04 | 火焰喷射工业股份有限公司 | Improved thermal spray method and apparatus using plasma transferred wire arc |
| CN203899792U (en) * | 2014-05-13 | 2014-10-29 | 湖北韩泰智能设备有限公司 | Hole inner surface automatic arc pistol |
| CN107321518A (en) * | 2017-06-22 | 2017-11-07 | 张家港清研再制造产业研究院有限公司 | A kind of endoporus Twin wire arc rotary spraying equipment |
| US20170349993A1 (en) * | 2016-06-06 | 2017-12-07 | Comau Llc | Wire Guides For Plasma Transferred Wire Arc Processes |
| CN207770110U (en) * | 2017-12-19 | 2018-08-28 | 代卫东 | A kind of rotatable endoporus Twin wire arc spray gun |
-
2017
- 2017-12-19 CN CN201711374989.2A patent/CN107930885A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3902736A1 (en) * | 1989-01-31 | 1990-08-02 | Spraytec Oberflaechentech | ARC SPRAYING SYSTEM FOR HIGH-PERFORMANCE SPRAYING OF SOLID AND FILLED WIRE |
| US6372298B1 (en) * | 2000-07-21 | 2002-04-16 | Ford Global Technologies, Inc. | High deposition rate thermal spray using plasma transferred wire arc |
| CN103429354A (en) * | 2010-12-22 | 2013-12-04 | 火焰喷射工业股份有限公司 | Improved thermal spray method and apparatus using plasma transferred wire arc |
| CN203899792U (en) * | 2014-05-13 | 2014-10-29 | 湖北韩泰智能设备有限公司 | Hole inner surface automatic arc pistol |
| US20170349993A1 (en) * | 2016-06-06 | 2017-12-07 | Comau Llc | Wire Guides For Plasma Transferred Wire Arc Processes |
| CN107321518A (en) * | 2017-06-22 | 2017-11-07 | 张家港清研再制造产业研究院有限公司 | A kind of endoporus Twin wire arc rotary spraying equipment |
| CN207770110U (en) * | 2017-12-19 | 2018-08-28 | 代卫东 | A kind of rotatable endoporus Twin wire arc spray gun |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976153A (en) * | 2019-09-20 | 2020-04-10 | 北京联合涂层技术有限公司 | Arc spray gun rotating equipment |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
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