CN207770110U - 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
- CN207770110U CN207770110U CN201721779485.4U CN201721779485U CN207770110U CN 207770110 U CN207770110 U CN 207770110U CN 201721779485 U CN201721779485 U CN 201721779485U CN 207770110 U CN207770110 U CN 207770110U
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- CN
- China
- Prior art keywords
- spray gun
- wire
- revolution
- sheath
- fixing axle
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- 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.)
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- Coating By Spraying Or Casting (AREA)
Abstract
The utility model discloses a kind of rotatable endoporus Twin wire arc spray guns,Including sequentially connected revolution sheath and spray gun cap,It is provided with fixing axle in revolution sheath,It is connected by upper bearing (metal) and lower bearing between fixing axle and revolution sheath,Revolution sheath can be rotated around fixing axle,And spray gun cap is driven to rotate,It is provided with main gas entrance and auxiliary gas entrance at the top of fixing axle,Fixing axle is internally provided with main gas circuit and auxiliary gas circuit,The auxiliary gas blowout mouth for being provided with the main gas blowout mouth communicated with main gas circuit on spray gun cap and being communicated with auxiliary gas circuit,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,It is atomized for double welding wires to 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.The utility model optimizes the structure of arc pistol, improves production efficiency, is suitble to automatic batch production.
Description
Technical field
The utility model is related to thermal spraying on surface field of engineering technology more particularly to a kind of rotatable endoporus Twin wire arc sprays
Rifle.
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 and forms coating by high speed.
Being widely used for plasma spray technology is general, for example, by using 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, if heat-conductive characteristic is poor, cylinder sleeve and cast aluminium matrix by
In the peeling that coefficient of thermal expansion difference generates, while using the aluminum cylinder of metal spray by plasma process, alleviating
Engine weight, improves wearability, and 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, reduces carbon discharge capacity.
Traditional twin wire arc spray rifle, usually cannot achieve rotation function 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 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, for daily production capacity up to 1000, each cylinder body spraying needs 1Kg welding wires, the silk material capacity of each wire tray to be calculated with 20Kg, sprays
Automatic doubler surface glouer consumes silk material 20Kg per hour, therefore each hour is required to re-replace welding wire, and therefore, above-mentioned design is not suitable for certainly
Dynamicization is produced in batches.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of rotatable endoporus Twin wire arcs
Spray gun optimizes the structure of electric arc spraying equipment so that the weight and structure of wire tray are unrestricted, is suitable for automation batch
Production.
In order to achieve the above objectives, the utility model adopts the following technical solution：
A kind of rotatable endoporus Twin wire arc spray gun, including sequentially connected revolution sheath and spray gun cap, the revolution shield
It is provided with fixing axle in set, is connected by upper bearing (metal) and lower bearing between the fixing axle and the revolution sheath, the revolution
Sheath can be rotated around the fixing axle, and the spray gun cap is driven to rotate, be provided at 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 on 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 with the spray gun cap the fixing axle, the revolution sheath through the main gas circuit
The main gas blowout mouth that compression ring channel 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 servo motor, is driven and is rotated by the servo motor.
Preferably, wire feeding guiding tube is connected in 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 wire-feed motor and mariages electricity
Arc spray gun is separately positioned, and the wire tray and the wire-feed motor are transported without the rotation of the fixing axle around the Twin wire arc spray gun
It is dynamic.
Preferably, the revolution sheath forms the compression ring channel of sealing with the fixing axle, and the main gas blowout mouth is described
It turns round under the drive of sheath and is 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 utility model has the advantages that：
1. rotatable endoporus Twin wire arc spray gun described in the utility model, wire tray and wire-feed motor are fixed, and wire tray is not
It must be integrated on spraying equipment, can be detached with spraying equipment so that the weight and structure of wire tray are unrestricted, optimize electric arc spray
The structure of rifle improves the reliability of equipment.
2. the utility model can largely increase the welding wire capacity of wire tray, the welding wire capacity of wire tray can increase to
250 kilograms or even bigger, wire tray is placed at the rear vacant lot of spraying equipment, without frequently replacing wire tray test specimen, is carried
High production efficiency, is suitable for automatic batch production.
Description of the drawings
Fig. 1 is the appearance diagram of rotatable endoporus Twin wire arc spray gun described in the utility model；
Fig. 2 is sectional views of the Fig. 1 along the directions A-A.
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 bis- welding wire focuses of 12-, 13- wire feeding guiding tubes.
Specific implementation mode
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The utility model provides a kind of rotatable endoporus Twin wire arc spray gun, as depicted in figs. 1 and 2, the mariages electricity
Arc spray gun 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
It is connected by upper bearing (metal) 4 and lower bearing 5 between sheath 1, revolution sheath 1 can be rotated around fixing axle 2, and spray gun cap 3 is driven to revolve
Turn, 2 top of fixing axle 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
The auxiliary gas blowout mouth 11 for being provided with the main gas blowout mouth 10 communicated with main gas circuit 9 on rifle cap 3 and being communicated with auxiliary gas circuit 6, double welding wires pass through
Auxiliary gas blowout mouth 11 stretches out the outside of spray gun cap 3, and is crossed to form double welding wire focuses 12, and auxiliary gas is sprayed by auxiliary gas blowout mouth 11, is used
It is atomized in double welding wires to arc-melting, main gas is through main gas circuit 9, by by fixing axle 2, revolution sheath 1 and 3 structure of spray gun cap
At sealing compression ring channel enter spray gun cap 3 main gas blowout mouth 10 spray, main gas blowout mouth 10 revolution sheath 1 drive backspin
Turn, 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 servo motor, is driven and is rotated by servo motor.
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, revolution sheath 1 forms the compression ring channel of sealing, (but being not limited only to this mode), main gas with fixing axle 2
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
High speed is ejected into part interior walls, and 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,
Middle main atmospheric pressure is higher than auxiliary atmospheric pressure.
In the present invention, spraying wire used by the arc pistol is not involved in rotary motion, and spray-coating welding wire exists
Under the driving of wire-feed motor, sent out by auxiliary gas blowout mouth 11, and melted under the action of electric arc, pressure-air is vertical with the silk material of fusing
Or have a certain degree and sprayed by main gas blowout mouth 10, and 360 degree of revolution is done under drive of the silk material molten drop in revolution sheath
Movement, workpiece Inner cavity walls are ejected by the metallic particles of molten condition.
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), for spraying cylinder, the course of work is as follows：
Sheath 1 is turned round under the drive of servo motor, is rotated around fixing axle 2, the main gas blowout mouth of 3 component of spray gun cap is driven
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
It sets, generates arc-melting welding wire, auxiliary gas is melted along auxiliary gas circuit 6 from 11 pairs of the auxiliary gas blowout mouth of spray gun cap 3 by auxiliary gas entrance 7
Welding wire is atomized, at the same main gas by main gas entrance 8 along main gas circuit 9, 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 specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of rotatable endoporus Twin wire arc spray gun, which is characterized in that including sequentially connected revolution sheath and spray gun cap, institute
It states in revolution sheath and is provided with fixing axle, connected by upper bearing (metal) and lower bearing between the fixing axle and the revolution sheath,
The revolution sheath can be rotated around the fixing axle, and the spray gun cap is driven to rotate, and master is provided at 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 on 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 and the spray gun cap
The compression ring channel of sealing enter the main gas blowout mouth of the spray gun cap and spray, is waited for for the obtained metallic particles of atomization to be sprayed on
It sprays on object.
2. Twin wire arc spray gun according to claim 1, which is characterized in that the revolution sheath is connected with servo motor,
It is driven and is rotated by the servo motor.
3. Twin wire arc spray gun according to claim 1, which is characterized 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, which is characterized in that the wire feeding guiding tube passes through wire-feed motor and wire tray
It is connected, the wire tray and wire-feed motor and the Twin wire arc spray gun are separately positioned, and the wire tray and the wire-feed motor are without enclosing
Around the fixing axle rotary motion of the Twin wire arc spray gun.
5. Twin wire arc spray gun according to claim 1, which is characterized in that the revolution sheath is formed with the fixing axle
The compression ring channel 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 |
|---|---|---|---|
| CN201721779485.4U CN207770110U (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 |
|---|---|---|---|
| CN201721779485.4U CN207770110U (en) | 2017-12-19 | 2017-12-19 | A kind of rotatable endoporus Twin wire arc spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207770110U true CN207770110U (en) | 2018-08-28 |
Family
ID=63226924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721779485.4U Expired - Fee Related CN207770110U (en) | 2017-12-19 | 2017-12-19 | A kind of rotatable endoporus Twin wire arc spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207770110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930885A (en) * | 2017-12-19 | 2018-04-20 | 代卫东 | A kind of rotatable endoporus Twin wire arc spray gun |
-
2017
- 2017-12-19 CN CN201721779485.4U patent/CN207770110U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930885A (en) * | 2017-12-19 | 2018-04-20 | 代卫东 | A kind of rotatable endoporus Twin wire arc spray gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20181219 |