CN107969060A - Plasma gun and there is its plasma apparatus - Google Patents
Plasma gun and there is its plasma apparatus Download PDFInfo
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- CN107969060A CN107969060A CN201711332628.1A CN201711332628A CN107969060A CN 107969060 A CN107969060 A CN 107969060A CN 201711332628 A CN201711332628 A CN 201711332628A CN 107969060 A CN107969060 A CN 107969060A
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- cathode
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- cooling
- plasma gun
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/28—Cooling arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3421—Transferred arc or pilot arc mode
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses a kind of plasma gun and there is its plasma apparatus, plasma gun includes insulation gun body, cathode block, anode, cathode and striking pipe.Cathode block is located at the side of insulation gun body, there is the first cooling flowing path in cathode block, anode is located at the opposite side of insulation gun body, cavity is limited between anode, cathode block and insulation gun body, and formed with the gas outlet connected with cavity on anode, there is the second cooling flowing path in anode, cathode is movably threaded through on cathode block, one end of cathode is stretched into cavity and neighbouring gas outlet, cathode have the inlet channel communicated with cavity, and one end of inlet channel is air inlet；Striking pipe is located at gas outlet and is only supported with one end of cathode.Plasma gun according to the present invention, direct current welding equipment, easy to manual operations, can be adapted as untransferable arc plasma apparatus, technique is simple, cost is low, is conducive to the popularization of untransferable arc plasma technology by simple in structure, compact.
Description
Technical field
The present invention relates to plasma applicating technology field, more particularly, to a kind of plasma gun and has its plasma
Equipment.
Background technology
Contain substantial amounts of charged particle in plasma so that it is essentially different with common gases, has very much
Common gases without characteristic；Plasma is a kind of ionized gas, is made of electronics, ion, neutral particle etc., belongs to material
High energy condensed state.
In recent years, the practical application of plasma technique obtains quick development, and application field is more and more extensive.Mesh
Before, countries in the world just step up research and plasma technique are used for stealthy weapon system, communication and detection, Canon launching, flight
Device interception, environmental pollution, space flight propulsion etc., the application of plasma technique has far-reaching significance future.
Plasma apparatus has two kinds of structures of transferred arc and untransferable arc, wherein the structure of transferred-arc plasma equipment it is simple,
It is cheap, rather than transferred-arc plasma equipment price is expensive, technical sophistication, limits plasma technology to a certain extent
Development.
In correlation technique, some plasma apparatus attempt to realize the function of untransferable arc using the structure of transferred arc, lead
Cause complicated and can not realize integral type untransferable arc plasmon structures, it is difficult to promote；Other plasma generators are
Untransferable arc structure, however design it is complicated, expensive, and to the more demanding of power supply and system, it is difficult to promote；More also
Transferred arc plasma torch, which, which is suitable for cutting or cladding etc., needs the operating mode of outer anode, can not be applied to without outer
The operating mode of anode, has larger limitation.
Therefore, there is an urgent need for a kind of cheap, simple in structure untransferable arc plasma apparatus at present to promote untransferable arc
The extensive use of plasma technology.
The content of the invention
It is contemplated that at least solve one of technical problem existing in the prior art.For this reason, the present invention proposes one kind etc.
Ion gun, the plasma gun is simple in structure, compact, easy to manual operations, has good applicability.
The present invention also proposes a kind of plasma apparatus with above-mentioned plasma gun.
The plasma gun of embodiment according to a first aspect of the present invention, including：Insulate gun body；Cathode block, the cathode block are set
In the side of the insulation gun body, there is the first cooling flowing path in the cathode block, one end of first cooling flowing path for into
One of them in liquid mouth and liquid outlet；Anode, the anode is located at the opposite side of the insulation gun body, the anode, described
Cathode block and the insulation gun body limit axial cavity jointly, formed with the outlet connected with the cavity on the anode
Mouthful, there is the second cooling flowing path in the anode, one end of second cooling flowing path is the inlet and the liquid outlet
In another, connected between the other end of the other end of second cooling flowing path and first cooling flowing path by connecting tube
Connect；Cathode, the cathode are threaded through on the cathode block, and one end of the cathode is stretched into the cavity and the neighbouring outlet
Mouthful, the cathode moves relative to the cathode block, and the cathode has an inlet channel communicated with the cavity, it is described into
One end of gas passage is air inlet, and the air inlet is formed in one end outside the cavity of the cathode；Striking pipe, institute
State striking pipe to be located at the gas outlet, and one end of the striking pipe and described one end of the cathode are only supported.
Plasma gun according to embodiments of the present invention is movably cloudy relative to cathode block by being set on cathode block
Striking pipe is equipped with gas outlet on pole while anode, and one end of striking pipe and one end of cathode are only supported, so as to fulfill
The contact starting of plasma gun, and can effectively make up the length of the scaling loss of cathode；By doing interior setting first in cathode
Cooling flowing path, set the second cooling flowing path in anode, and the first cooling flowing path and the second cooling flowing path are connected by connecting tube
It is logical so that exterior cooling water can be cooled down with plasma gun, to reduce the hull-skin temperature of plasma gun, consequently facilitating people
Work hand-held.Thus, plasma gun is simple in structure, compact, be easy to implement, cost it is low, available for artificial melting infusibility
Material, such as ceramics, high temperature alloy etc., plasma gun can be used as non transferred arc plasma torch.
According to some embodiments of the present invention, on the periphery wall of the cathode formed with external screw thread, shape on the cathode block
The internal thread that external screw thread described in Cheng Youyu coordinates, the axial direction that the externally threaded axial length is equal to or more than the internal thread are long
Degree.
According to some embodiments of the present invention, the inner surface of described one end of the correspondence of the cavity anode is formed as
It is directed away from the recessed cambered surface in direction or the conical surface of the cathode block.
According to some embodiments of the present invention, described one end of the cathode is formed towards the side away from the cathode block
To the arcuate structure of protrusion.
According to some embodiments of the present invention, the both ends of the connecting tube connect soon with the anode and the cathode block respectively
Connection.
According to some embodiments of the present invention, the periphery wall of the striking pipe is equipped with multiple protrusions, multiple protrusions
Along being provided at circumferentially spaced for the striking pipe.
According to some embodiments of the present invention, the striking pipe screw thread is connected at the gas outlet.
According to some embodiments of the present invention, the inlet channel along the axially extending of the cathode and runs through the cathode
Both ends end face.
The plasma apparatus of embodiment according to a second aspect of the present invention, including：Gas cylinder, is filled with plasma in the gas cylinder
Gas；Welder power；Cooling-water machine, is filled with cooling water in the cooling-water machine；Transfer cabinet, the welder power and described cold
Water dispenser is connected with the switching cabinet respectively；The plasma gun of above-mentioned first aspect embodiment according to the present invention, wherein the grade from
The air inlet of sub- rifle is connected with the gas cylinder, and the inlet is connected with the liquid outlet with the switching cabinet.
Plasma apparatus according to embodiments of the present invention, can be by common electric welding machine by using above-mentioned plasma gun
Such as dc welding machine directly repacks plasma apparatus into, and plasma apparatus can be used as untransferable arc plasma apparatus to make
With so that common electric welding machine can produce high temperature untransferable arc plasma arc, and the plasma apparatus it is simple in structure,
Cost is low, easy to reequip, and greatly facilitates user.
According to some embodiments of the present invention, it is connected between the air inlet and the gas cylinder by tracheae, the tracheae
Both ends be connected respectively with the air inlet, the gas cylinder thread；The inlet and the liquid outlet by water power cable with
The switching cabinet is connected, and the water power cable is connected with the inlet, the liquid outlet and the switching counter thread respectively；It is described
Be connected between welder power and the switching cabinet by cable, the both ends of the cable respectively with the welder power, institute
State switching cabinet connect soon it is connected；Be connected between the cooling-water machine and the switching cabinet by water pipe, the both ends of the water pipe respectively with
The cooling-water machine, the switching counter thread connection.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the sectional view of plasma gun according to embodiments of the present invention；
Fig. 2 is the striking pipe sectional view shown in Fig. 1；
Fig. 3 is the top view of the striking pipe shown in Fig. 2；
Fig. 4 is the schematic diagram of plasma apparatus according to embodiments of the present invention.
Reference numeral：
Plasma apparatus 200,
Gas cylinder 101, tracheae 101a, welder power 102, cable 102a,
Cooling-water machine 103, water pipe 103a, switching cabinet 104, water power cable 104a,
Plasma gun 100, cavity 100a,
Insulation gun body 1,
Cathode block 2, the first cooling flowing path 21, liquid outlet 21a, outlet tube 21b, connecting tube 22,
Anode 3, gas outlet 30a, the second cooling flowing path 31, inlet 31a, inlet tube 31b,
Cathode 4, inlet channel 41, air inlet 41a, air inlet pipe 41b,
Striking pipe 5, protrusion 51.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " length ", " on ", " under ", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " axial direction ", " circumferential direction " are based on attached
Orientation or position relationship shown in figure, are for only for ease of and describe the present invention and simplify description, rather than indicate or imply and is signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
Limitation.In addition, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more spy
Sign.In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The plasma gun 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3, plasma gun 100 according to embodiments of the present invention, including insulation gun body 1, cathode block 2, sun
Pole 3, cathode 4 and striking pipe 5.
Cathode block 2 is located at the side of insulation gun body 1, has the first cooling flowing path 21, the first cooling flowing path 21 in cathode block 2
One end be one of them in inlet 31a and liquid outlet 21a, anode 3 is located at the opposite side of insulation gun body 1, anode 3, cloudy
Electrode seat 2 and insulation gun body 1 limit axial cavity 100a jointly, formed with the gas outlet connected with cavity 100a on anode 3
30a, anode 3 is interior to have the second cooling flowing path 31, and one end of the second cooling flowing path 31 is in inlet 31a and liquid outlet 21a
Another, is connected between the other end of the other end of the second cooling flowing path 31 and the first cooling flowing path 21 by connecting tube 22.It is cloudy
Pole 4 is threaded through on cathode block 2, and one end of cathode 4 is stretched into cavity 100a and neighbouring gas outlet 30a, and cathode 4 is relative to cathode block
2 is removable, and cathode 4 has an inlet channel 41 communicated with cavity 100a, and one end of inlet channel 41 is air inlet 41a, air inlet
Mouth 41a is formed in one end outside cavity 100a of cathode 4, and striking pipe 5 is located at the 30a of gas outlet, and one end of striking pipe 5
Only supported with one end of cathode 4.
For example, as shown in Figure 1-Figure 3, cathode block 2 can be located at the upside of insulation gun body 1, anode 3 can be located at insulation rifle
The downside of body 1 so that insulation gun body 1 cathode block 2 and anode 3 are separated, and cathode block 2, anode 3 and insulation gun body 1 it
Between limit cavity 100a jointly, cavity 100a can be located at cavity along the axially extending of plasma gun 100, gas outlet 30a
The bottom of 100a.Cathode 4 can be movably threaded through on cathode block 2 from up to down, and air inlet 41a can be located at cathode 4
Upper end, the lower end of cathode 4 is stretched into cavity 100a and neighbouring gas outlet 30a is set so that air inlet 41a can pass through cathode 4
Interior inlet channel 41 is connected with cavity 100a.Striking pipe 5 is located at the 30a of gas outlet and under the upper end of striking pipe 5 and cathode 4
End is mutually only supported, and the periphery wall of striking pipe 5 is mutually only supported with the wall of gas outlet 30a.
First cooling flowing path 21 can be set around cathode 4, and one end of the first cooling flowing path 21 can be formed as liquid outlet
21a, the second cooling flowing path 31 can surround gas outlet 30a and set, and one end of the second cooling flowing path 31 can be formed as inlet
The other end of first cooling flowing path 21 is connected by 31a, connecting tube 22 with the other end of the second cooling flowing path 31 so that the first cooling
Communicated between 21 and second cooling flowing path 31 of flow path, cooling water can be flowed into the second cooling flowing path 31 with to sun by inlet 31a
Pole 3 is cooled down and then is flowed into the first cooling flowing path 21 to be cooled down to cathode block 2, and final cooling water is flowed by liquid outlet 21a
Go out, so as to form cooling cycle to reduce the hull-skin temperature of plasma gun 100, in order to which man-hour manually hand-held operates.
Certainly, one end of the first cooling flowing path 21 may be formed as inlet 31a, at this time the one of the second cooling flowing path 31
End is formed as liquid outlet 21a, and cooling water flows into the first cooling flowing path 21 to be cooled down, then to cathode block 2 by inlet 31a
The second cooling flowing path 31 is flowed into be cooled down to anode 3, can equally form cooling cycle to reduce the outer of plasma gun 100
Surface temperature.
Specifically, when plasma gun 100 works, cooling water is passed through in plasma gun 100 to form cooling cycle first,
So as to protect plasma gun 100；Then, cathode 4 is connected with the negative pole end of power supply, anode 3 is connected with the positive terminal of power supply, etc.
Plasma gas is passed through in plasma gun 100 by ion gun 100 by air inlet 41a at this time by 5 starting the arc of striking pipe so that etc.
Non-transferred plasma arc is produced between the cathode 4 and anode 3 of ion gun 100 at the 30a of gas outlet.In above process, the starting the arc
Afterwards, the striking pipe 5 of scorification can be blown out plasma gun 100 by striking pipe 5 by scorification, plasma gas, at this time plasma gun
Untransferable arc plasma arc formed with high temperature at 100 gas outlet 30a, the disengaging of striking pipe 5 do not interfere with plasma gun 100
Operation；In addition, contact starting is more severe to the scaling loss of anode 3 and cathode 4, and striking pipe 5 is used to realize that contact is drawn
The mode of arc is even more more severe to the scaling loss of cathode 4 so that spacing increase between the lower end of cathode 4 and gas outlet 30a and
The operation of plasma gun 100 is influenced, cathode 4 is arranged with respect to cathode block 2 and is moved, can be with by moving down cathode 4
The length of the cathode 4 of scaling loss is made up, ensures the normal operation of plasma gun 100, extends the service life of plasma gun 100.
Wherein, cooling water can also be replaced with other coolants, and not limited to this.
Plasma gun 100 according to embodiments of the present invention, it is removable relative to cathode block 2 by being set on cathode block 2
Cathode 4 and meanwhile anode 3 on gas outlet 30a at be equipped with striking pipe 5, and cause one end of striking pipe 5 and one end of cathode 4
Only support, it is achieved thereby that the contact starting of plasma gun 100, and can effectively make up the length of the scaling loss of cathode 4；By
Cathode block 2 does the first cooling flowing path 21 of interior setting, sets the second cooling flowing path 31 in the anode 3, and by the first cooling flowing path 21
Being connected with the second cooling flowing path 31 by connecting tube 22 so that exterior cooling water can effectively be cooled down with plasma gun 100,
To reduce the hull-skin temperature of plasma gun 100, consequently facilitating man-hour manually hand-held operates.Thus, plasma gun 100 it is simple in structure,
Compact, be easy to implement, cost it is low, available for artificial melting refractory material, such as ceramics, high temperature alloy etc., plasma gun
100 can use as non transferred arc plasma torch.
Wherein, cathode 4 is chosen as graphite piece, and graphite is not only cheap but also resistance to burning, so as to reduce the use cost of cathode 4；Draw
Arc pipe 5 is chosen as brass part.But not limited to this.
In the alternative embodiment of the present invention, formed with external screw thread on the periphery wall of cathode 4, on cathode block 2 formed with
The internal thread that external screw thread coordinates.Since plasma gun 100 by striking pipe 5 realizes contact starting, and contact starting causes
Scaling loss occurs for cathode 4, can be moved down at this time by 4 cathode 4 of rotating cathode relative to cathode block 2 to make up scaling loss
The length of cathode 4, it is convenient, fast.Wherein, externally threaded axial length is equal to or more than the axial length of internal thread, Ke Yizeng
Big cathode 4, so as to extend the service life of cathode 4, avoids frequently replacing cathode 4 relative to the displacement distance of cathode block 2.
In the alternative embodiment of the present invention, the inner surface of one end of the correspondence anode 3 of cavity 100a is formed towards far
The cambered surface recessed from the direction of cathode block 2 or the conical surface, so as to avoid stress concentration, ensure the service life of plasma gun 100,
The distance between anode 3 and cathode 4 are ensure that at the same time, in order to striking.For example, in the example of fig. 1, the direction of anode 3 is cloudy
The inner surface of 4 lower end of pole can be formed as arc surface, which is downwardly concaved, so as to avoid the correspondence anode of cavity 100a
The inner surface of 3 one end produces the structure of shape mutation so that the distribution of the thermal stress of anode 3 is more uniform, avoids producing and answers
Power is concentrated.
Certainly, the inner surface towards 4 lower end of cathode of anode 3 may be formed as the cambered surface of the conical surface or other shapes for example
Elliptical arc surface etc., can equally make it that the thermal stress of anode 3 is more uniform respectively.
In some embodiments of the invention, one end of cathode 4 is formed towards the arc that the direction away from cathode block 2 is protruded
Shape structure.For example, in the example of fig. 1, the lower end of cathode 4 is formed with the circular arc protruded towards the direction of close gas outlet 30a
Shape structure.It is understood that one end of the neighbouring gas outlet 30a of cathode 4 can also be formed as other shapes according to practical application
Shape, and not limited to this.
In the alternative embodiment of the present invention, the both ends of connecting tube 22 connect in succession soon with anode 3 and cathode block 2 respectively.Example
Such as, as shown in Figure 1, the upper end of connecting tube 22 can be connected with cathode block 2 by quick coupling, the lower end of connecting tube 22 and anode
3 can be connected by quick coupling, so as to facilitate the assembling of plasma gun 100, improve the assembling effect of plasma gun 100
Rate.
In further embodiment of the present invention, as shown in Figure 1-Figure 3, the periphery wall of striking pipe 5 is equipped with multiple protrusions
51, multiple raised 51 being provided at circumferentially spaced along striking pipe 5, wherein, on the cross section of striking pipe 5, each protrusion 51 can be with
Quadrangle is substantially all formed as, the end face of the free end of each protrusion 51 is mutually only supported with the wall of gas outlet 30a, so as to reduce
Contact area between striking pipe 5 and gas outlet 30a walls, reduces the friction between striking pipe 5 and gas outlet 30a walls
Power, so as to ensure that the striking pipe 5 of scorification can be blown out plasma gun 100 by plasma gas.
Alternatively, striking pipe 5 is threaded at the 30a of gas outlet, that is to say, that on the periphery wall of striking pipe 5 formed with
External screw thread, formed with the internal thread coordinated with above-mentioned external screw thread on the 30a walls of gas outlet so that striking pipe 5 and gas outlet 30a walls
It is in contact between face and between striking pipe 5 and gas outlet 30a walls there are certain active force, avoids striking pipe 5 from departing from anode
3。
In a specific embodiment of the present invention, inlet channel 41 runs through the moon along the axially extending and inlet channel 41 of cathode 4
The both ends end face of pole 4.For example, in the example of fig. 1, inlet channel 41 can lead to along the axial vertical extension and air inlet of cathode 4
Road 41 runs through the upper surface and lower face of cathode 4 so that the structure of inlet channel 41 is simple, easy to process.
The plasma apparatus 200 of embodiment according to a second aspect of the present invention, including it is gas cylinder 101, welder power 102, cold
Water dispenser 103, switching cabinet 104 and the plasma gun 100 of above-mentioned first aspect embodiment according to the present invention.
For example, as shown in figure 4, be filled with plasma gas in gas cylinder 101, cooling water is filled with cooling-water machine 103, wherein
The air inlet 41a of plasma gun 100 is connected with gas cylinder 101 allows the plasma gas in gas cylinder 101 to pass through air inlet 41a
It flow in plasma gun 100, inlet 31a is connected with liquid outlet 21a with switching cabinet 104, and welder power 102 and cold water
Machine 103 is connected with switching cabinet 104 respectively so that cabinet 104 of transferring can be by inlet 31a and liquid outlet 21a by cooling-water machine 103
While interior cooling water is transmitted to plasma gun 100, the electric energy of welder power 102 can be transmitted to plasma gun 100,
Power while cooling down plasma gun 100, to plasma gun 100.Wherein, plasma gas is chosen as argon gas, nitrogen etc.；Electricity
Welding machine electric power 102 can be dc welding machine power supply, since dc welding machine does not have high-frequency high-voltage arc striking, typically connect
Touch striking, therefore plasma apparatus 200 according to embodiments of the present invention can directly be converted by dc welding machine, structure
Simply, cost is low.
Plasma apparatus 200 according to embodiments of the present invention, can will be common by using above-mentioned plasma gun 100
Electric welding machine such as dc welding machine directly repacks plasma apparatus 200 into, and plasma apparatus 200 can be used as untransferable arc etc.
Ion device uses, so that common electric welding machine can produce high temperature untransferable arc plasma arc, and the plasma is set
Standby 200 is simple in structure, cost is low, easy to reequip, and the technique for simplifying untransferable arc plasma apparatus, greatly facilitates use
Family, is conducive to the popularization of untransferable arc plasma technology.
Specifically, be connected between air inlet 41a and gas cylinder 101 by tracheae 101a, the both ends of tracheae 101a respectively with into
Gas port 41a, gas cylinder 101 are threadedly coupled；Inlet 31a is connected with liquid outlet 21a by water power cable 104a with switching cabinet 104,
Water power cable 104a is threadedly coupled with inlet 31a, liquid outlet 21a and switching cabinet 104 respectively；Welder power 102 and switching cabinet
It is connected between 104 by cable 102a, the both ends of cable 102a connect be connected soon with welder power 102, switching cabinet 104 respectively；
Be connected between cooling-water machine 103 and switching cabinet 104 by water pipe 103a, the both ends of water pipe 103a respectively with cooling-water machine 103, switching cabinet
104 are threadedly coupled.Thereby it is ensured that the normal operation of plasma apparatus 200.
Certainly, the both ends of tracheae 101a can also soon be connect and be connected with air inlet 41a, gas cylinder 101 respectively by quick coupling.
Other of plasma apparatus 200 according to embodiments of the present invention are formed and operated for ordinary skill people
All it is known for member, is not detailed herein.
Plasma gun according to embodiments of the present invention is described in detail with a specific embodiment below with reference to Fig. 1-Fig. 3
100.It is worth understanding, it is described below to be merely illustrative, rather than the concrete restriction to invention.
As shown in Figure 1-Figure 3, plasma gun 100 includes insulation gun body 1, cathode block 2, anode 3, cathode 4 and striking pipe 5.
Cathode block 2 is located at the upside of insulation gun body 1 and is threadedly coupled between cathode block 2 and insulation gun body 1, and anode 3 is located at insulation gun body 1
Downside and anode 3 and insulation gun body 1 between be threadedly coupled so that insulation gun body 1 cathode block 2 and anode 3 are separated, at the same time
It ensure that the bonding strength and leakproofness between insulation gun body 1 and cathode block 2, between insulation gun body 1 and anode 3；Cathode block 2,
Cavity 100a, cavity 100a axially extending, gas outlets along plasma gun 100 are limited jointly between anode 3 and insulation gun body 1
30a is located at the bottom of cavity 100a and gas outlet 30a is located on anode 3；Cathode 4 is generally formed into tubular structure, and cathode 4 is from upper
Movably it is threaded through on cathode block 2 downwards, the inlet channel 41 connected with cavity 100a, inlet channel is limited in cathode 4
41 run through the axial both ends of the surface of cathode 4 along the axially extending and inlet channel 41 of cathode 4 so that the upper end of cathode 4 forms air inlet
Mouthful 41a, and the lower end of cathode 4 is stretched into cavity 100a and neighbouring gas outlet 30a is set so that air inlet 41a can by into
Gas passage 41 is connected with cavity 100a；Striking pipe 5 is threaded at the 30a of gas outlet, and the periphery wall of striking pipe 5 is equipped with eight
Protrusion 51, eight protrusions 51 arrange that the upper end of striking pipe 5 is mutually stopped with the lower end of cathode 4 along the circumferential uniform intervals of striking pipe 5
Support, the end face of the free end of eight protrusions 51 is mutually only supported with the wall of gas outlet 30a and striking pipe 5 is connected with 3 screw thread of anode
Connect, so as to realize contact starting.Wherein, due to being threadedly coupled between striking pipe 5 and anode 3 so that striking pipe 5 can be with
Disassemble from anode 3, be placed in when needing to use plasma gun 100, then by striking pipe 5 at the 30a of gas outlet.
There is the first cooling flowing path 21, the first cooling flowing path 21 is set around cathode 4, the first cooling flowing path in cathode block 2
21 one end is liquid outlet 21a；There is the second cooling flowing path 31, the second cooling flowing path 31 is set around gas outlet 30a in anode 3
Put, one end of the second cooling flowing path 31 is inlet 31a, and the other end of the second cooling flowing path 31 is another with the first cooling flowing path 21
Connected between one end by connecting tube 22 so that communicated between the first cooling flowing path 21 and the second cooling flowing path 31, cooling water can
Anode 3 is cooled down and then the first cooling is flowed into by connecting tube 22 to flow into the second cooling flowing path 31 by inlet 31a
To be cooled down to cathode block 2, final cooling water is flowed out flow path 21 by liquid outlet 21a, so as to form cooling cycle to drop
The hull-skin temperature of low ion gun 100, in order to which man-hour manually hand-held operates.The both ends of connecting tube 22 respectively with anode 3 and cathode
Seat 2 connects in succession soon, with high-speed communication the first cooling flowing path 21 and the second cooling flowing path 31.
Wherein, anode 3 is copper alloy part or ferroalloy part etc., and cathode 4 is graphite piece, for example, anode 3 can be brass part,
And cathode 4 is high purity graphite part, since the fusing point of copper alloy is lower than the fusing point of high purity graphite, copper alloy can be easier scaling loss, will
Cooling water first flow into the second cooling flowing path 31 with after being cooled down to anode 3, be passed through in the first cooling flowing path 21 with to the moon
Electrode seat 2 is cooled down, that is to say, that and the water temperature in the second cooling flowing path 31 is lower than the water temperature in the first cooling flowing path 21, so that
Anode 3 can preferably be protected；Striking pipe 5 is brass part；Cathode block 2 is brass part；Insulation gun body 1 is fiberglass, so as to
Preferably to completely cut off anode 3 and cathode 4.
Further, as shown in Figure 1, formed with external screw thread on the periphery wall of cathode 4, on cathode block 2 formed with outer spiral shell
The internal thread that line coordinates, so as to be moved down by 4 cathode 4 of rotating cathode relative to cathode block 2 to make up scaling loss
Cathode 4 length.The lower end of cathode 4 is formed towards the arcuate structure that the direction away from cathode block 2 is protruded, cavity 100a's
The inner surface of one end of corresponding anode 3 is formed towards the recessed arc surface in the direction away from cathode block 2, consequently facilitating keeping cloudy
Minimum range between pole and anode 3 is 2mm-5mm, in favor of striking.
Plasma apparatus 200 according to embodiments of the present invention is described in detail with a specific embodiment below with reference to Fig. 4.
It is worth understanding, it is described below to be merely illustrative, rather than the concrete restriction to invention.
As shown in figure 4, plasma apparatus 200 includes gas cylinder 101, welder power 102, cooling-water machine 103, switching cabinet 104
With plasma gun 100, wherein plasma gun 100 is the plasma gun 100 shown in Fig. 1-Fig. 3.Plasma is filled with gas cylinder 101
Gas, such as argon gas or nitrogen etc., are connected between gas cylinder 101 and the air inlet 41a of plasma gun 100 by tracheae 101a, into
Air inlet pipe 41b can be equipped with gas port 41a, one end of tracheae 101a is threadedly coupled with air inlet pipe 41b, the other end of tracheae 101a
It is threadedly coupled with gas cylinder 101；The inlet tube 31b connected with the second cooling flowing path 31 and liquid outlet can be equipped with inlet 31a
The outlet tube 21b connected with the first cooling flowing path 21 can be equipped with 21a, is transferred between cabinet 104 and inlet tube 31b, switching cabinet
Be connected between 104 and outlet tube 21b by water power cable 104a, water power cable 104a and switching cabinet 104 between, water power cable 104a with
Use is threadedly coupled between inlet tube 31b, between water power cable 104a and outlet tube 21b, convenient, fast；Welder power 102
Positive terminal and switching cabinet 104 between be connected by cable 102a, between the negative pole end of welder power 102 and switching cabinet 104
Be connected by cable 102a, between cable 102a and positive terminal, between cable 102a and negative pole end, cable 102a with switching cabinet
Connect soon between 104 connected；Cooling-water machine 103 has water inlet and a water outlet, between water inlet and switching cabinet 104, water outlet with
Switching cabinet 104 between be connected by water pipe 103a, between water pipe 103a and water inlet, between water pipe 103a and water outlet, water
Use and be threadedly coupled between pipe 103a and switching cabinet 104.
Wherein, air inlet pipe 41b can be brass tube, be threadedly coupled between brass tube and cathode 4, for example, in the example of Fig. 1
In, formed with external screw thread on the periphery wall of brass tube, formed with coordinating with above-mentioned external screw thread on the internal perisporium of inlet channel 41
Internal thread, so as to facilitate the connection between tracheae 101a and cathode 4, while can play heat-insulated effect, avoid tracheae
The temperature of 101a is excessive to protect tracheae 101a；Water pipe 103a is insulation material materials and parts；Outlet tube 21b is brass tube.
Specifically, when plasma apparatus 200 is run, it is first turned on cooling-water machine 103 so that cooling water can be in cooling-water machine
103rd, transfer between cabinet 104 and plasma gun 100 and form cooling cycle, protected with plasma gun 100；Secondly, will draw
Arc pipe 5 is placed at the 30a of gas outlet and striking pipe 5 is threaded io anode 3；Then, welder power 102 is opened, at this time etc.
For ion gun 100 by 5 starting the arc of striking pipe, the electric current for adjusting welder power 102 is 100A or so, then opens air-flow, and is adjusted
The flow of plasma gas is 5L/min~30L/min, such as 10L/min, electric current is adjusted to 300A or so at this time, plasma is set
Standby 200 can start normal operation.In above process, striking pipe 5 is placed at the 30a of gas outlet and is not switched on electric welding machine
During power supply 102, gas cylinder 101 is not opened, avoids striking pipe 5 from being blown off gas outlet 30a by air-flow；After 100 starting the arc of plasma gun, first will
Current regulation is for 100A or so, to avoid when there is no air-flow protection, electric current it is excessive and by the inside scaling loss of plasma gun 100,
Play the role of protecting plasma gun 100；, can be by current regulation to specified ginseng until striking success and opening gas cylinder 101
Number, to ensure the normal operation of plasma apparatus 200 so that plasma apparatus 200 meets use demand.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment of the present invention or example.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
- A kind of 1. plasma gun, it is characterised in that including：Insulate gun body；Cathode block, the cathode block is located at the side of the insulation gun body, has the first cooling flowing path in the cathode block, described One end of first cooling flowing path is one of them in inlet and liquid outlet；Anode, the anode are located at the opposite side of the insulation gun body, and the anode, the cathode block and the insulation gun body are total to It is cold with second in the anode formed with gas outlet connect with the cavity on the anode with limiting axial cavity But flow path, one end of second cooling flowing path are another in the inlet and the liquid outlet, second cooling Connected between the other end of the other end of flow path and first cooling flowing path by connecting tube；Cathode, the cathode are threaded through on the cathode block, and one end of the cathode is stretched into the cavity and gone out described in Gas port, the cathode are moved relative to the cathode block, and the cathode has the inlet channel communicated with the cavity, described One end of inlet channel is air inlet, and the air inlet is formed in one end outside the cavity of the cathode；Striking pipe, the striking pipe are located at the gas outlet, and one end of the striking pipe and described one end of the cathode Only support.
- 2. plasma gun according to claim 1, it is characterised in that formed with external screw thread on the periphery wall of the cathode, It is equal to or more than described formed with the internal thread coordinated with the external screw thread, the externally threaded axial length on the cathode block The axial length of internal thread.
- 3. plasma gun according to claim 1 or 2, it is characterised in that the correspondence anode of the cavity it is described The inner surface of one end is formed towards the recessed cambered surface in the direction away from the cathode block or the conical surface.
- 4. plasma gun according to claim 1, it is characterised in that described one end of the cathode is formed towards remote The arcuate structure of the direction protrusion of the cathode block.
- 5. plasma gun according to claim 1, it is characterised in that the both ends of the connecting tube respectively with the anode and The cathode block connects in succession soon.
- 6. plasma gun according to claim 1, it is characterised in that the periphery wall of the striking pipe is equipped with multiple convex Rise, multiple raised being provided at circumferentially spaced along the striking pipe.
- 7. plasma gun according to claim 1, it is characterised in that the striking pipe screw thread is connected to the gas outlet Place.
- 8. plasma gun according to claim 1, it is characterised in that the inlet channel is axially extending along the cathode And through the both ends end face of the cathode.
- A kind of 9. plasma apparatus, it is characterised in that including：Gas cylinder, is filled with plasma gas in the gas cylinder；Welder power；Cooling-water machine, is filled with cooling water in the cooling-water machine；Switching cabinet, the welder power and the cooling-water machine are connected with the switching cabinet respectively；According to the plasma gun any one of claim 1-8, wherein the air inlet of the plasma gun with it is described Gas cylinder is connected, and the inlet is connected with the liquid outlet with the switching cabinet.
- 10. plasma apparatus according to claim 9, it is characterised in that pass through between the air inlet and the gas cylinder Tracheae is connected, and the both ends of the tracheae are connected with the air inlet, the gas cylinder thread respectively；The inlet and the liquid outlet are connected by water power cable with the switching cabinet, the water power cable respectively with it is described into Liquid mouth, the liquid outlet are connected with the switching counter thread；Be connected between the welder power and the switching cabinet by cable, the both ends of the cable respectively with the electric welding machine Power supply, the switching cabinet connect connected soon；Be connected between the cooling-water machine and the switching cabinet by water pipe, the both ends of the water pipe respectively with the cooling-water machine, institute State switching counter thread connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332628.1A CN107969060A (en) | 2017-12-13 | 2017-12-13 | Plasma gun and there is its plasma apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332628.1A CN107969060A (en) | 2017-12-13 | 2017-12-13 | Plasma gun and there is its plasma apparatus |
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| CN107969060A true CN107969060A (en) | 2018-04-27 |
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| CN201711332628.1A Pending CN107969060A (en) | 2017-12-13 | 2017-12-13 | Plasma gun and there is its plasma apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381660A (en) * | 2019-07-02 | 2019-10-25 | 苏州微木智能系统有限公司 | A kind of plasma generator |
| CN113811062A (en) * | 2020-06-15 | 2021-12-17 | 新奥科技发展有限公司 | Plasma generating device and well milling method |
| CN117500137A (en) * | 2023-12-29 | 2024-02-02 | 西安赛隆增材技术股份有限公司 | Plasma gun, power density adjusting method thereof and plasma atomization powder making equipment |
-
2017
- 2017-12-13 CN CN201711332628.1A patent/CN107969060A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381660A (en) * | 2019-07-02 | 2019-10-25 | 苏州微木智能系统有限公司 | A kind of plasma generator |
| CN110381660B (en) * | 2019-07-02 | 2024-05-14 | 苏州微木智能系统有限公司 | Plasma generator |
| CN113811062A (en) * | 2020-06-15 | 2021-12-17 | 新奥科技发展有限公司 | Plasma generating device and well milling method |
| CN113811062B (en) * | 2020-06-15 | 2024-04-30 | 新奥科技发展有限公司 | Plasma generating device and well milling method |
| CN117500137A (en) * | 2023-12-29 | 2024-02-02 | 西安赛隆增材技术股份有限公司 | Plasma gun, power density adjusting method thereof and plasma atomization powder making equipment |
| CN117500137B (en) * | 2023-12-29 | 2024-04-02 | 西安赛隆增材技术股份有限公司 | Plasma gun, power density adjusting method thereof and plasma atomization powder making equipment |
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