CN207720497U - Plasma gun and plasma apparatus with it - Google Patents
Plasma gun and plasma apparatus with it Download PDFInfo
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- CN207720497U CN207720497U CN201721742170.2U CN201721742170U CN207720497U CN 207720497 U CN207720497 U CN 207720497U CN 201721742170 U CN201721742170 U CN 201721742170U CN 207720497 U CN207720497 U CN 207720497U
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Abstract
The utility model discloses a kind of plasma gun and with its plasma apparatus, plasma gun includes：Insulate gun body, and air inlet is formed in the gun body that insulate；Cathode block, cathode block are located at the side of insulation gun body, have the first cooling flowing path in cathode block, one end of the first cooling flowing path is one of in inlet and liquid outlet；Anode, anode is located at the other side of insulation gun body, the cavity communicated with air inlet is limited between anode, cathode block and insulation gun body, the gas outlet being connected to cavity is formed on anode, there is the second cooling flowing path in anode, one end of second cooling oil path is another in inlet and liquid outlet, is connected by connecting tube between the other end of the second cooling flowing path and the other end of the first cooling flowing path；Cathode, cathode are located on cathode block, and one end of cathode is stretched into cavity and neighbouring gas outlet.Plasma gun according to the present utility model, simple in structure, compact, convenient for manual operations.
Description
Technical field
The utility model is related to plasma applicating technology fields, more particularly, to a kind of plasma gun and with its etc.
Ion device.
Background technology
Contain a large amount of charged particle in plasma so that it is essentially different with common gases, has very much
The no characteristic of common gases；Plasma is a kind of ionized gas, is made of electronics, ion, neutral particle etc., belongs to substance
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, research, communication stealthy for weapon system and detection, Canon launching, flight plasma technique is just stepped up in countries in the world
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,
Cheap rather than transferred-arc plasma equipment price costliness, technical sophistication, limit plasma technology to a certain extent
Development.Therefore, at present there is an urgent need for a kind of cheap, simple in structure untransferable arc plasma apparatus with promote untransferable arc etc. from
The extensive use of sub- technology.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries
Go out a kind of plasma gun, the plasma gun is simple in structure, compact has good applicability convenient for manual operations.
The utility model also proposes a kind of plasma apparatus with above-mentioned plasma gun.
According to the plasma gun of the utility model first aspect embodiment, including：Insulate gun body, shape in the insulation gun body
At there is air inlet；Cathode block, the cathode block are located at the side of the insulation gun body, in the cathode block there is the first cooling to flow
Road, one end of first cooling flowing path is one of in inlet and liquid outlet；Anode, the anode are located at described exhausted
The other side of edge gun body limits between the anode, the cathode block and the insulation gun body and communicates with the air inlet
Cavity is formed with the gas outlet being connected to the cavity on the anode, has the second cooling flowing path in the anode, and described the
One end of two cooling flowing paths be the inlet and the liquid outlet in another, the other end of second cooling flowing path with
It is connected by connecting tube between the other end of first cooling flowing path；Cathode, the cathode is located on the cathode block, described
One end of cathode is stretched into the cavity and the neighbouring gas outlet.
According to the plasma gun of the utility model embodiment, by be arranged on cathode block cathode, so that cathode one end
Gas outlet setting on neighbouring anode, while the air inlet in gun body that insulate is limited jointly by anode, cathode block and insulation gun body
Fixed cavity is connected to gas outlet, to when anode and just electrically connect, the connection of cathode and negative electricity when, high-frequency high-voltage can will be positive
Plasma (orifice) gas volume ionization between pole and cathode, to realize the striking of plasma gun；By doing interior setting the in cathode block
The second cooling flowing path is arranged in anode, and the first cooling flowing path and the second cooling flowing path are passed through connecting tube for one cooling flowing path
Connection so that external cooling water can carry out effectively cooling down with plasma gun, to reduce the hull-skin temperature of plasma gun, to
It is operated convenient for man-hour manually hand-held.As a result, according to the plasma gun of the utility model embodiment and traditional non transferred arc plasma torch
It compares, not internal water route insulation sleeve, only three air inlet, inlet and liquid outlet interfaces, it is simple in structure, small
Ingeniously, it is easy to implement, is at low cost, can be used for artificial melting jewel or precious metal etc., and plasma gun can be used as non-turn
Arc plasma gun is moved to use.
Some embodiments according to the present utility model, the cathode are fixedly connected with the cathode block.
Some embodiments according to the present utility model, the cathode are tungsten structure part, and the cathode is welded with the cathode block
It connects connected；Or the cathode is graphite piece or copper alloy part, the cathode is threadedly coupled with the cathode block.
Some embodiments according to the present utility model, on the longitudinal section of the plasma gun, the anode with it is described
The opposite face of cathode be along be directed away from the direction of the cathode, the conical surface that cross-sectional area is gradually reduced.
Some embodiments according to the present utility model, the minimum range between the conical surface and the cathode are x, the x
Meet：2mm≤x≤5mm.
Described one end of some embodiments according to the present utility model, the cathode is formed towards far from the cathode block
Direction protrusion arcuate structure.
Some embodiments according to the present utility model, the both ends of the connecting tube respectively with the anode and the cathode block
It connects in succession soon.
According to the plasma apparatus of the utility model second aspect embodiment, including：Gas cylinder is filled in the gas cylinder
Ionized gas；Welder power, the welder power are switched equipped with striking；Cooling-water machine is filled in the cooling-water machine cold
But water；Switching cabinet, the welder power and the cooling-water machine are connected with the switching cabinet respectively；It is above-mentioned according to the utility model
The plasma gun of first aspect embodiment, wherein the air inlet of the plasma gun is connected with the gas cylinder, the feed liquor
Mouth is connected with the switching cabinet with the liquid outlet.
It can be by common electricity by using above-mentioned plasma gun according to the utility model embodiment plasma apparatus
Welding machine such as tig arc welding machine directly repacks plasma apparatus into, with the processing suitable for precise part or precious metal, and plasma
Equipment can be used as untransferable arc plasma apparatus, that is, electric arc can be generated in plasma gun by being not necessarily to workpiece, to make
Common electric welding machine can generate high temperature untransferable arc plasma arc, and the plasma apparatus is simple in structure, at low cost, just
In repacking, user is greatly facilitated.
Some embodiments according to the present utility model, are connected between the air inlet and the gas cylinder by tracheae, described
The both ends of tracheae are connect with the air inlet, the gas cylinder thread respectively；The inlet passes through water power with the liquid outlet
Cable is connected with the switching cabinet, and the water power cable is connect with the inlet, the liquid outlet and the switching counter thread respectively；
It is connected by cable between the welder power and the switching cabinet, the both ends of the cable are electromechanical with the electric welding respectively
Source, the switching cabinet connect connected soon；It is connected by water pipe between the cooling-water machine and the switching cabinet, the both ends point of the water pipe
It is not connect with the cooling-water machine, the switching counter thread；The striking switch is connect with the welder power by striking line.
Some embodiments according to the present utility model, the plasma apparatus further comprise：Water tank, the electric welding are electromechanical
There is water interface, the water tank to be connected respectively with the negative pole end of the water interface and the welder power in source；Adapter, it is described
There is adapter first interface, second interface and third interface, the first interface to be connected with the water interface, and described second connects
Mouth is connected with the switching cabinet, and the third interface is connected with the negative pole end of the welder power.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the sectional view according to the plasma gun of the utility model embodiment；
Fig. 2 is the schematic diagram according to the plasma apparatus of the utility model embodiment；
Fig. 3 is the schematic diagram according to the plasma apparatus of the utility model another embodiment.
Reference numeral：
Plasma apparatus 200,
Gas cylinder 101, tracheae 101a, welder power 102, striking switch 1021, water interface 1022, cable 102a,
Cooling-water machine 103, water pipe 103a, switching cabinet 104, water power cable 104a, water tank 105,
Adapter 106, first interface 106a, second interface 106b, third interface 106c,
Plasma gun 100, cavity 100a, untransferable arc plasma arc 100b,
Insulate gun body 1, air inlet 10a, air inlet pipe 10b,
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.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more this feature.At this
In the description of utility model, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1 descriptions according to the plasma gun 100 of the utility model the first utility model embodiment.
As shown in Figure 1, according to the plasma gun 100 of the utility model embodiment, including insulation gun body 1, cathode block 2, sun
Pole 3 and cathode 4.
It is formed with air inlet 10a in insulation gun body 1, cathode block 2 is located at the side of insulation gun body 1, has the in cathode block 2
One cooling flowing path 21, one end of the first cooling flowing path 21 is one of in inlet 31a and liquid outlet 21a.Anode 3 is located at
The other side for the gun body 1 that insulate limits the cavity communicated with air inlet 10a between anode 3, cathode block 2 and insulation gun body 1
100a is formed with the gas outlet 30a being connected to cavity 100a on anode 3, has the second cooling flowing path 31 in anode 3, second is cold
But one end of flow path is another in inlet 31a and liquid outlet 21a, the other end of the second cooling flowing path 31 and the first cooling
It is connected by connecting tube 22 between the other end of flow path 21.Cathode 4 is located on cathode block 2, and cavity 100a is stretched into one end of cathode 4
Interior and neighbouring gas outlet 30a.
For example, as shown in Figure 1, cathode block 2 can be located at the upside of insulation gun body 1, anode 3 can be located at insulation gun body 1
Downside so that insulation gun body 1 separates cathode block 2 and anode 3, and common between cathode block 2, anode 3 and insulation gun body 1
Cavity 100a is limited, gas outlet 30a is located at the bottom of cavity 100a.The upper end of cathode 4 can be located on cathode block 2, cathode 4
Lower end can stretch into cavity 100a and the lower end of cathode 4 is arranged adjacent to gas outlet 30a；Air inlet 10a can be located at insulation
The side of gun body 1, air inlet 10a are connected to by cavity 100a with gas outlet 30a.
First cooling flowing path 21 can be located at the top of cathode block 2, and one end of the first cooling flowing path 21 can be formed as
Liquid mouth 21a, the second cooling flowing path 31 can surround gas outlet 30a and be arranged, one end of the second cooling flowing path 31 can be formed as into
The other end of first cooling flowing path 21 is connected by liquid mouth 31a, connecting tube 22 with the other end of the second cooling flowing path 31 so that first
Communicated between cooling flowing path 21 and the second cooling flowing path 31, cooling water can be flowed by inlet 31a the second cooling flowing path 31 with
Anode 3 is cooled down, then flows into the first cooling flowing path 21 to be cooled down to cathode block 2, final cooling water is by liquid outlet
21a flows 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, above-mentioned one end of the first cooling flowing path 21 may be formed as inlet 31a, at this time the second cooling flowing path 31
Above-mentioned one end be formed as liquid outlet 21a, cooling water flows into the first cooling flowing path 21 to be carried out to cathode block 2 by inlet 31a
Cooling and then the second cooling flowing path 31 of inflow can equally form cooling cycle to reduce plasma to be cooled down to anode 3
The hull-skin temperature of rifle 100.
Specifically, when plasma gun 100 works, cooling water is passed through in plasma gun 100 to form cooling cycle first,
To protect plasma gun 100；Then, plasma gas is passed through by air inlet 10a in plasma gun 100, due to cathode 4 with
The negative pole end of power supply is adjacent, anode 3 is connected with the positive terminal of power supply, open power supply to generate between cathode 4 and anode 3 it is high
Frequency high pressure so that with success striking, generate the plasma (orifice) gas volume ionization between cathode 4 and anode 3 at this time in plasma gun 100
Untransferable arc plasma arc 100b and untransferable arc plasma arc 100b turn to downstream at the 30a of gas outlet, finally from outlet
Mouth 30a projects plasma gun 100.Wherein, cooling water can also be replaced with other coolant liquids, and without being limited thereto.
According to the plasma gun 100 of the utility model embodiment, by the way that cathode 4 is arranged on cathode block 2, so that cathode 4
Gas outlet 30a setting of the one end on anode 3, while the air inlet 10a in gun body 1 that insulate passes through anode 3, cathode block 2
Be connected to gas outlet 30a with the cavity 100a that limits jointly of insulation gun body 1, to electrically connect when anode 3 and just, cathode 4 and bear
When electrically connecting, high-frequency high-voltage can be by the plasma (orifice) gas volume ionization between anode 3 and cathode 4, to realize plasma gun
100 striking；By doing the first cooling flowing path 21 of interior setting in cathode block 2, the second cooling flowing path 31 being arranged in anode 3, and
First cooling flowing path 21 is connected to the second cooling flowing path 31 by connecting tube 22 so that external cooling water can be with plasma gun
100 effectively cool down, to reduce the hull-skin temperature of plasma gun 100, consequently facilitating man-hour manually hand-held operates.Basis as a result,
The plasma gun 100 of the utility model embodiment is compared with traditional non transferred arc plasma torch, not internal water route insulation
Set, only air inlet 10a, inlet 31a and tri- interfaces of liquid outlet 21a, simple in structure, compact, be easy to implement, at
This is low, can be used for artificial melting jewel or precious metal etc., and plasma gun 100 can be used as non transferred arc plasma torch
It uses.
In some embodiments of the utility model, cathode 4 is fixedly connected with cathode block 2, to ensure that determining for cathode 4
Position, ensure that the stability of untransferable arc plasma arc 100b.For example, in the example of fig. 1, the upper end of cathode 4, which is fixed, to be located at
In cathode block 2, the lower end of cathode 4 is stretched into cavity 100a and the lower end of cathode 4 is arranged adjacent to gas outlet 30a, to reduce
The occupied space of plasma gun 100 so that 100 compact of plasma gun is further conducive to man-hour manually hand-held operation.
In some alternative embodiments of the utility model, cathode 4 is tungsten structure part, and cathode 4 welds phase with cathode block 2
Even.Since the hardness of tungsten structure part is higher, by the way that cathode 4 and cathode block 2 are weldingly connected, facilitate cathode 4 and cathode block 2 it
Between be fixedly connected, while ensure that connected between cathode 4 and cathode block 2 it is reliable.
In other alternative embodiments of the utility model, cathode 4 is graphite piece or copper alloy part, cathode 4 and cathode
Seat 2 is threadedly coupled.For example, could be formed with external screw thread on the periphery wall of cathode 4, it is formed on cathode block 2 and above-mentioned external screw thread
The internal thread of cooperation has good processing performance since cathode 4 is graphite piece or copper alloy part etc., by by cathode 4 with it is cloudy
Electrode seat 2 is threadedly coupled, and facilitates being fixedly connected between cathode 4 and cathode block 2, while ensure that between cathode 4 and cathode block 2
Connection is reliable.
It is understood that cathode 4 can also be other materials, can be connected at this time with screw thread between cathode 4 and cathode block 2
It connects.But not limited to this.
In specific embodiment of the utility model, on the longitudinal section of plasma gun 100, anode 3 it is opposite with cathode 4
Face be along be directed away from the direction of cathode 4, the conical surface that cross-sectional area is gradually reduced.For example, in the example of fig. 1, wait from
On the flow direction of sub- gas, the conical surface can be located at the upstream of gas outlet 30a；On the longitudinal section of plasma gun 100, the conical surface
Cross-sectional area is gradually reduced from cathode 4 towards the direction of gas outlet 30a.In 100 operational process of plasma gun, cathode 4 and sun
Generated between pole 3 high-frequency and high-voltage to by the plasma (orifice) gas volume ionization between cathode 4 and anode 3 with success striking, it is equal at this time from
Untransferable arc plasma arc 100b is generated in sub- rifle 100 at the conical surface, that is to say, that the generation face of plasma arc is the conical surface, cone
There are minimum range point between face and cathode 4, the plasma gas at the minimum range point is easy ionization, to conducive to striking at
Work(, then untransferable arc plasma arc 100b turn to the conical surface downstream, finally from gas outlet 30a project plasma gun 100.
As shown in Figure 1, the minimum range between the conical surface and cathode 4 is x, x meets：2mm≤x≤5mm, draws to increase
The success rate of arc.Wherein, the minimum range x between the conical surface and cathode 4 can meet 2mm≤x≤3mm.
Optionally, one end of cathode 4 is formed towards the arcuate structure of the direction protrusion far from cathode block 2.For example, scheming
In 1 example, the lower end of cathode 4 is formed with towards the arc-shaped structure protruded close to the direction of gas outlet 30a, to further
It ensure that there are minimum range points between cathode 4 and anode 3, be further conducive to striking success.It is understood that cathode 4
One end of neighbouring gas outlet 30a can also be formed as other shapes according to practical application, and without being limited thereto.
In specific embodiment of the utility model, the both ends of connecting tube 22 are fast in succession with anode 3 and cathode block 2 respectively
It connects.For example, 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
It can be connected by quick coupling with anode 3, to facilitate the assembling of plasma gun 100, improve the dress of plasma gun 100
With efficiency, while it ensure that the leakproofness of plasma gun 100.
According to the plasma apparatus 200 of the utility model second aspect embodiment, including gas cylinder 101, welder power
102, cooling-water machine 103, switching cabinet 104 and plasma gun 100, wherein plasma gun 100 are according to the utility model above-mentioned first
The plasma gun 100 of aspect embodiment.
For example, as shown in Figures 2 and 3, plasma gas is filled in gas cylinder 101, welder power 102 is equipped with striking
Switch 1021 is connected between striking switch 1021 and welder power 102 by striking line, and cooling is filled in cooling-water machine 103
Water.Wherein, the air inlet 10a of plasma gun 100 is connected with gas cylinder 101 allows the plasma gas in gas cylinder 101 to pass through
Air inlet 10a is flow in plasma gun 100, and inlet 31a is connected with switching cabinet 104 with liquid outlet 21a, and welder power
102 and cooling-water machine 103 respectively with switching cabinet 104 be connected so that transfer cabinet 104 can pass through inlet 31a and liquid outlet 21a
While cooling water in cooling-water machine 103 is transmitted to plasma gun 100, the electric energy of welder power 102 can be transmitted to
It powers while plasma gun 100, i.e. cooling plasma gun 100, to plasma gun 100.Wherein, plasma gas is chosen as argon
Gas, nitrogen etc.,
Wherein, welder power 102 can be that TIG (protect by Tungsten Inert Gas, non-melt pole inert gas tungsten electrode
Shield weldering) welding machine electric power, that is to say, that can directly it be changed by tig arc welding machine according to the plasma apparatus 200 of the utility model embodiment
It fills, it is simple in structure, at low cost, and tig arc welding machine is suitable for the welding to precision parts, therefore according to the utility model reality
The plasma apparatus 200 for applying example is suitable for the heating of precise part or precious metal, processing；And the high-frequency and high-voltage point of TIG welding machines
The power of fiery equipment is smaller, therefore according to the anode 3 of plasma gun 100 in the plasma apparatus of the utility model embodiment 200
The distance between cathode 4 is smaller, is easy starting the arc success.
It, can will be general by using above-mentioned plasma gun 100 according to the utility model embodiment plasma apparatus 200
Logical electric welding machine such as tig arc welding machine directly repacks plasma apparatus 200 into, with suitable for precise part or precious metal plus
Work, and plasma apparatus 200 can be used as untransferable arc plasma apparatus 200 to use, i.e., it can be in plasma gun without workpiece
Electric arcs are generated in 100 so that common electric welding machine can generate high temperature untransferable arc plasma arc 100b, and it is such from
Sub- equipment 200 is simple in structure, it is at low cost, convenient for repacking, greatly facilitate user.
Specifically, be connected by tracheae 101a between air inlet 10a and gas cylinder 101, the both ends of tracheae 101a respectively with into
Gas port 10a, gas cylinder 101 are threadedly coupled；Inlet 31a is connected by water power cable 104a with switching cabinet 104 with liquid outlet 21a,
Water power cable 104a is threadedly coupled with inlet 31a, liquid outlet 21a and switching cabinet 104 respectively so that inlet 31a circulation coolings
While water, positive electricity can be connected to, while liquid outlet 21a circulation cooling waters, negative electricity can be connected to；Welder power 102 with
It is connected by cable 102a between switching cabinet 104, the both ends of cable 102a connect with welder power 102, switching cabinet 104 soon respectively
It is connected；Be connected by water pipe 103a between cooling-water machine 103 and switching cabinet 104, the both ends of water pipe 103a respectively with cooling-water machine 103,
Cabinet 104 of transferring is threadedly coupled；Striking switch 1021 is connected with welder power 102 by striking line.Thereby it is ensured that plasma
The normal operation of equipment 200.
Certainly, the both ends of tracheae 101a can also soon be connect and be connected with air inlet 10a, gas cylinder 101 respectively by quick coupling.
Here, it should be noted that " connecing soon connected " is realized by quick coupling.
In the further embodiment of the utility model, plasma apparatus 200 further comprises water tank 105 and adapter
106, welder power 102 has water interface 1022, water tank 105 electromechanical with water interface 1022 and electric welding respectively by water pipe 103a
The negative pole end in source 102 is connected, and adapter 106 has first interface 106a, second interface 106b and third interface 106c, and first connects
Mouth 106a is connected with water interface 1022 by water pipe 103a, and second interface 106b is connected with switching cabinet 104 by cable 102a,
Third interface 106c is connected with the negative pole end of welder power 102 by water power cable 104a.At this point, plasma apparatus 200 can be with
It is converted by water cooling tig arc welding machine, water tank 105 is respectively two independent water circulation systems with cooling-water machine 103, is turned by setting
Connector 106 is so that water tank 105 realizes self-loopa by adapter 106 and is delivered to the electric energy of electric welding machine by adapter 106
It transfers in cabinet 104, ensure that the use reliability of plasma apparatus 200.
According to other compositions of the plasma apparatus 200 of the utility model embodiment and operate for the common skill in this field
All it is known for art personnel, is not detailed herein.
Below with reference to Fig. 1 with a specific embodiment detailed description according to the plasma gun of the utility model embodiment
100.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of utility model.
As shown in Figure 1, plasma gun 100 includes insulation gun body 1, cathode block 2, anode 3 and cathode 4.Under cathode block 2
End is embedded in interior and cathode block 2 the periphery wall in insulation gun body 1 is formed with external screw thread, the internal perisporium for the gun body 1 that insulate is formed with
Screw thread with realize cathode block 2 and insulate gun body 1 between threaded connection, anode 3 be located at insulation gun body 1 lower end and anode 3 with
It is threadedly coupled between insulation gun body 1 so that insulation gun body 1 separates cathode block 2 and anode 3, while ensure that insulation gun body 1
Bonding strength between cathode block 2, between insulation gun body 1 and anode 3 and leakproofness；Cathode block 2, anode 3 and insulation gun body 1
Between limit cavity 100a jointly, gas outlet 30a is located at the bottom of cavity 100a and gas outlet 30a is located on anode 3；It is cloudy
Pole 4 is generally formed into column structure, and the upper end of cathode 4 is fixed in cathode block 2, cavity 100a and the moon are stretched into the lower end of cathode 4
The lower end of pole 4 is arranged adjacent to gas outlet 30a；Air inlet 10a is located on the side wall of insulation gun body 1, and air inlet 10a passes through cavity
100a is connected to gas outlet 30a.
There is the first cooling flowing path 21, the first cooling flowing path 21 to be located at the top of cathode block 2, the first cooling in cathode block 2
One end of flow path 21 is liquid outlet 21a；There is the second cooling flowing path 31, the second cooling flowing path 31 is around gas outlet 30a in anode 3
Setting, one end of the second cooling flowing path 31 are inlet 31a, the other end of the second cooling flowing path 31 and the first cooling flowing path 21
It is connected by connecting tube 22 between the other end so that communicated between the first cooling flowing path 21 and the second cooling flowing path 31, cooling water
It is cold to carry out cooling to anode 3 and then flow into first by connecting tube 22 that the second cooling flowing path 31 can be flowed by inlet 31a
But to be cooled down to cathode block 2, final cooling water is flowed out flow path 21 by liquid outlet 21a, so as to formed cooling cycle with
The hull-skin temperature for reducing plasma gun 100, in order to which man-hour manually hand-held operates.The both ends of connecting tube 22 respectively with anode 3 and the moon
Electrode 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 ferromagnetism steel plate, such as copper alloy part etc., cathode 4 is tungsten alloy part, graphite piece or copper alloy
Part etc..When anode 3 is copper alloy part and cathode 4 is tungsten alloy part, cathode 4 is weldingly connected with cathode block 2, due to tungsten structure
The hardness of part is higher, by the way that cathode 4 and cathode block 2 are weldingly connected, facilitates the fixed company between cathode 4 and cathode block 2
It connects, while ensure that and be connected reliably between cathode 4 and cathode block 2.
Since the fusing point of copper alloy is lower than the fusing point of tungsten alloy, copper alloy can be easier scaling loss, and cooling water is first flowed into
With after cool down to anode 3, being passed through, the first cooling flowing path 21 is interior to be cooled down to cathode block 2 in two cooling flowing paths 31,
That is, the water temperature in the second cooling flowing path 31 is lower than the water temperature in the first cooling flowing path 21, so as to preferably protect
Anode 3；Cathode block 2 is brass part；Insulation gun body 1 is fiberglass, so as to preferably completely cut off anode 3 and cathode 4.
Further, as shown in Figure 1, on the longitudinal section of plasma gun 100, the face opposite with cathode 4 of anode 3 be edge
It is directed away from the direction of cathode 4, the conical surface that cross-sectional area is gradually reduced, on the flow direction of plasma gas, the conical surface is located at
The upstream of gas outlet 30a, and one end of cathode 4 is formed towards the arc-shaped structure of the direction protrusion far from cathode block 2, to
Minimum range between the conical surface and cathode 4 can remain x, and x meets 2mm≤x≤5mm.In 100 operational process of plasma gun
In, high-frequency and high-voltage is generated between cathode 4 and anode 3 to which the plasma gas between cathode 4 and anode 3 at minimum range is electric
From with success striking, generate untransferable arc plasma arc 100b in plasma gun 100 at the conical surface at this time, that is to say, that wait from
The generation face of subarc is the conical surface, increases arcing initiation success rate, and then untransferable arc plasma arc 100b turns to the downstream, most of the conical surface
Eventually plasma gun 100 is projected from gas outlet 30a.
Below with reference to Fig. 2 and Fig. 3 with two specific embodiments detailed description according to the utility model embodiment etc. from
Sub- equipment 200.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of utility model.
Embodiment one
In the present embodiment, as shown in Fig. 2, plasma apparatus 200 includes gas cylinder 101, welder power 102, cooling-water machine
103, switching cabinet 104 and plasma gun 100, wherein plasma gun 100 are plasma gun 100 shown in FIG. 1.It is filled in gas cylinder 101
Equipped with plasma gas, such as argon gas or nitrogen etc., pass through tracheae between gas cylinder 101 and the air inlet 10a of plasma gun 100
101a is connected, and can be equipped with air inlet pipe 10b at air inlet 10a, and one end of tracheae 101a is threadedly coupled with air inlet pipe 10b, tracheae
The other end of 101a is threadedly coupled with gas cylinder 101；The inlet tube being connected to the second cooling flowing path 31 can be equipped at inlet 31a
It can be equipped with the outlet tube 21b being connected to the first cooling flowing path 21, switching cabinet 104 and inlet tube 31b at 31b and liquid outlet 21a
Between, switching cabinet 104 and outlet tube 21b between be connected by water power cable 104a, water power cable 104a and transfer cabinet 104 between,
Between water power cable 104a and inlet tube 31b, it is all made of and is threadedly coupled between water power cable 104a and outlet tube 21b, it is convenient, fast；
Be connected by cable 102a between the positive terminal of welder power 102 and switching cabinet 104, the negative pole end of welder power 102 and
Transfer cabinet 104 between by cable 102a be connected, between cable 102a and positive terminal, between cable 102a and negative pole end, cable
It connects and is connected soon between 102a and switching cabinet 104；Cooling-water machine 103 have inlet and outlet, water inlet with switching cabinet 104 it
Between, water outlet and switching cabinet 104 between be connected by water pipe 103a, between water pipe 103a and water inlet, water pipe 103a with go out
It is all made of and is threadedly coupled between the mouth of a river, between water pipe 103a and switching cabinet 104；Welder power 102 is switched equipped with striking
1021, striking switch 1021 is connected by striking line with welder power 102.
Wherein, air inlet pipe 10b can be brass tube, be threadedly coupled between brass tube and cathode 4, to facilitate tracheae
Connection between 101a and cathode 4, while heat-insulated effect can be played, avoid the temperature of tracheae 101a excessively high to protect tracheae
101a；Water pipe 103a is insulation material materials and parts；Inlet tube 31b and 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
103, it transfers between cabinet 104 and plasma gun 100 and forms cooling cycle, protected with plasma gun 100；Secondly, it opens
Gas cylinder 101 and the flow for adjusting plasma gas are 5L/min~30L/min, such as 10L/min；Then, it is electromechanical to open electric welding
Source 102 and to adjust size of current be 100A~300A or so, such as 100A；Finally, striking switch 1021 is connected, high frequency is high
Piezoelectricity is by the plasma (orifice) gas volume ionization at the minimum range between cathode 4 and anode 3 thus success striking, non-turn generated at this time
It moves arc plasma arc 100b and turns to the downstream of the conical surface, finally by gas outlet 30a injection plasma guns 100, plasma apparatus 200 is opened
Beginning normal operation.
Embodiment two
As shown in figure 3, the present embodiment is roughly the same with the structure of embodiment one, wherein identical component is using identical attached
Icon note, the difference is that：Plasma apparatus 200 further includes water tank 105 and adapter 106.
Specifically, as shown in figure 3, there is welder power 102 water interface 1022, water tank 105 to pass through water pipe 103a points
It is not connected with the negative pole end of water interface 1022 and welder power 102, adapter 106 has first interface 106a, second interface
106b and third interface 106c, first interface 106a are connected with water interface 1022 by water pipe 103a, second interface 106b with turn
Receive at the counter 104 by cable 102a be connected, third interface 106c and the negative pole end of welder power 102 pass through water power cable 104a phases
Even.At this point, plasma apparatus 200 can be converted by water cooling tig arc welding machine, water tank 105 is respectively two only with cooling-water machine 103
Vertical water circulation system, by the way that adapter 106 is arranged so that water tank 105 realizes self-loopa by adapter 106 and will electric welding
The electric energy of machine is delivered to by adapter 106 in switching cabinet 104, ensure that the use reliability of plasma apparatus 200.
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
103, it transfers between cabinet 104 and plasma gun 100 and forms cooling cycle, protected with plasma gun 100；Secondly, it opens
Gas cylinder 101 and the flow for adjusting plasma gas are 5L/min~30L/min, such as 10L/min；Then, water tank 105 is opened
To realize its self-loopa, while ensureing the use reliability of welder power 102, open welder power 102 at this time and adjusts
Size of current is 100A~300A or so, such as 100A；Finally, connect striking switch 1021, high-frequency high-voltage by cathode 4 and
Plasma (orifice) gas volume ionization at minimum range between anode 3 is to success striking, the untransferable arc plasma arc generated at this time
100b turns to the downstream of the conical surface, finally by gas outlet 30a injection plasma guns 100, and plasma apparatus 200 starts normal operation.
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 specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
1. a kind of plasma gun, which is characterized in that including：
Insulate gun body, and air inlet is formed in the insulation 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 in inlet and liquid outlet；
Anode, the anode be located at it is described insulation gun body the other side, the anode, the cathode block and the insulation gun body it
Between limit the cavity communicated with the air inlet, the gas outlet being connected to the cavity, the sun are formed on the anode
There is the second cooling flowing path, one end of second cooling flowing path is another in the inlet and the liquid outlet in extremely
It is a, it is connected by connecting tube between the other end of second cooling flowing path and the other end of first cooling flowing path；
Cathode, the cathode are located on the cathode block, and one end of the cathode is stretched into the cavity and the neighbouring outlet
Mouthful.
2. plasma gun according to claim 1, which is characterized in that the cathode is fixedly connected with the cathode block.
3. plasma gun according to claim 2, which is characterized in that the cathode is tungsten structure part, the cathode and institute
Cathode block is stated to be weldingly connected；
Or the cathode is graphite piece or copper alloy part, the cathode is threadedly coupled with the cathode block.
4. plasma gun according to any one of claim 1-3, which is characterized in that in the longitudinal section of the plasma gun
On, the face opposite with the cathode of the anode is that edge is directed away from the direction of the cathode, cross-sectional area is gradually reduced
The conical surface.
5. plasma gun according to claim 4, which is characterized in that the minimum range between the conical surface and the cathode
Meet for x, the x：2mm≤x≤5mm.
6. plasma gun according to claim 1, which is characterized in that described one end of the cathode is formed towards separate
The arcuate structure of the direction protrusion of the cathode block.
7. plasma gun according to claim 1, which is characterized in that the both ends of the connecting tube respectively with the anode and
The cathode block connects in succession soon.
8. a kind of plasma apparatus, which is characterized in that including：
Gas cylinder is filled with plasma gas in the gas cylinder；
Welder power, the welder power are switched equipped with striking；
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 described in any one of claim 1-7, wherein the air inlet of the plasma gun with it is described
Gas cylinder is connected, and the inlet is connected with the switching cabinet with the liquid outlet.
9. plasma apparatus according to claim 8, which is characterized in that pass through gas between the air inlet and the gas cylinder
Pipe is connected, and the both ends of the tracheae are connect with the air inlet, the gas cylinder thread respectively；
The inlet is connected by water power cable with the switching cabinet with the liquid outlet, the water power cable respectively with it is described into
Liquid mouth, the liquid outlet are connected with the switching counter thread；
Be connected by cable between the welder power and the switching cabinet, the both ends of the cable respectively with the electric welding machine
Power supply, the switching cabinet connect connected soon；
Be connected by water pipe between the cooling-water machine and the switching cabinet, the both ends of the water pipe respectively with the cooling-water machine, institute
State switching counter thread connection；
The striking switch is connect with the welder power by striking line.
10. plasma apparatus according to claim 8 or claim 9, which is characterized in that further comprise：
Water tank, the welder power have a water interface, the water tank respectively with the water interface and the welder power
Negative pole end is connected；
Adapter, the adapter have first interface, second interface and third interface, the first interface and the water interface
It is connected, the second interface is connected with the switching cabinet, the negative pole end phase of the third interface and the welder power
Even.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721742170.2U CN207720497U (en) | 2017-12-13 | 2017-12-13 | Plasma gun and plasma apparatus with it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721742170.2U CN207720497U (en) | 2017-12-13 | 2017-12-13 | Plasma gun and plasma apparatus with it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115679240A (en) * | 2022-10-31 | 2023-02-03 | 西安交通大学 | High-energy plasma spray gun device and method for in-situ atomization of metal or ceramic powder |
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2017
- 2017-12-13 CN CN201721742170.2U patent/CN207720497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115679240A (en) * | 2022-10-31 | 2023-02-03 | 西安交通大学 | High-energy plasma spray gun device and method for in-situ atomization of metal or ceramic powder |
| CN115679240B (en) * | 2022-10-31 | 2023-11-14 | 西安交通大学 | High-energy plasma spray gun device and method for in-situ atomizing metal or ceramic powder |
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