CN207720496U - Plasma gun and plasma apparatus with it - Google Patents
Plasma gun and plasma apparatus with it Download PDFInfo
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- CN207720496U CN207720496U CN201721742129.5U CN201721742129U CN207720496U CN 207720496 U CN207720496 U CN 207720496U CN 201721742129 U CN201721742129 U CN 201721742129U CN 207720496 U CN207720496 U CN 207720496U
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Abstract
The utility model discloses a kind of plasma gun and with 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 other side of insulation gun body, cavity 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, cathode is movably threaded through on cathode block, one end of cathode is stretched into cavity and neighbouring gas outlet, and cathode has 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 utility model, direct current welding equipment can be adapted as untransferable arc plasma apparatus by simple in structure, compact convenient for manual operations, simple for process, at low cost, be conducive to the popularization of untransferable arc plasma technology.
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.
In the related technology, some plasma apparatus attempt to realize the function of untransferable arc using the structure of transferred arc, lead
It causes complicated and cannot achieve 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 is suitable for cut 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 to promote untransferable arc at present
The extensive use of plasma 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；Cathode block, the cathode
Seat is located at the side of the insulation gun body, has the first cooling flowing path, one end of first cooling flowing path in the cathode block
For 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 limit axial cavity jointly, are formed on the anode and go out with what the cavity was connected to
Gas port, has the second cooling flowing path in the anode, one end of second cooling flowing path be the inlet and it is described go out liquid
Mouthful in another, pass through connecting tube between the other end of second cooling flowing path and the other end of first cooling flowing path
Connection；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 is removable 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 the one end of the cathode being located at outside the cavity；Striking pipe,
The striking pipe is located at the gas outlet, and one end of the striking pipe and described one end of the cathode are only supported.
It is moveable relative to cathode block by being arranged on cathode block according to the plasma gun of the utility model embodiment
It is equipped with striking pipe at gas outlet on cathode while anode, and one end of striking pipe and one end of cathode are only supported, to real
Show the contact starting of plasma gun, and can effectively make up the length of the scaling loss of cathode；By doing interior setting the in cathode
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 be cooled down with plasma gun, to reduce the hull-skin temperature of plasma gun, consequently facilitating
Man-hour manually hand-held operates.Plasma gun is simple in structure as a result, compact, is easy to implement, is at low cost, and it is difficult to can be used for artificial melting
Melt material, such as ceramics, high temperature alloy etc., plasma gun can be used as non transferred arc plasma torch.
Some embodiments according to the present utility model are formed with external screw thread, the cathode block on the periphery wall of the cathode
On be formed with the internal thread coordinated with the external screw thread, the externally threaded axial length is equal to or more than the axis of the internal thread
To length.
Some embodiments according to the present utility model, the inner surface shape of described one end of the correspondence anode of the cavity
As the recessed cambered surface in the direction for being directed away from the cathode block or the conical surface.
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.
The periphery wall of some embodiments according to the present utility model, the striking pipe is equipped with multiple protrusions, multiple described
Protrusion is provided at circumferentially spaced along the striking pipe.
Some embodiments according to the present utility model, the striking pipe screw thread are connected at the gas outlet.
Some embodiments according to the present utility model, the inlet channel is along the axially extending of the cathode and through described
The both ends end face of cathode.
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；Cooling-water machine is filled with cooling water in the cooling-water machine；Transfer cabinet, the welder power and institute
Cooling-water machine is stated respectively to be connected with the switching cabinet；According to the plasma gun of the above-mentioned first aspect embodiment of the utility model, wherein
The air inlet of the plasma gun is connected with the gas cylinder, the inlet and the liquid outlet with the switching cabinet phase
Even.
It can be by common electricity by using above-mentioned plasma gun according to the utility model embodiment plasma apparatus
Welding machine such as dc welding machine directly repacks plasma apparatus into, and plasma apparatus can be used as untransferable arc plasma apparatus
It uses, so that common electric welding machine can generate high temperature untransferable arc plasma arc, and the plasma apparatus structure letter
It is single, at low cost, convenient for repacking, greatly facilitate user.
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 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 striking pipe sectional view shown in Fig. 1；
Fig. 3 is the vertical view of striking pipe shown in Fig. 2；
Fig. 4 is the schematic diagram according to the plasma apparatus of the utility model embodiment.
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.
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", " length ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " circumferential direction " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one
Or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two with
On.
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-Fig. 3 descriptions according to the plasma gun 100 of the utility model first aspect embodiment.
As shown in Figure 1-Figure 3, according to the plasma gun of the utility model embodiment 100, including insulation gun body 1, cathode block
2, anode 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 that anode 3 is located at the other side of insulation gun body 1 one of in inlet 31a and liquid outlet 21a, it is anode 3, cloudy
Electrode seat 2 and insulation gun body 1 limit axial cavity 100a jointly, and the gas outlet being connected to cavity 100a is formed 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 second cooling flowing path 31 and the other end of 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 the 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 the one end of cathode 4 being located at outside cavity 100a, and striking pipe 5 is located at the 30a of gas outlet, and one end of striking pipe 5
It is 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
The lower end of upper end, cathode 4 is stretched into cavity 100a and neighbouring gas outlet 30a is arranged so that air inlet 41a can pass through cathode 4
Interior inlet channel 41 is connected to 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 surface of gas outlet 30a.
First cooling flowing path 21 can surround cathode 4 and be arranged, 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 be arranged, 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
It is communicated between flow path 21 and the second cooling flowing path 31, cooling water can be flowed into the second cooling flowing path 31 with to sun by inlet 31a
Pole 3 carries out cooling and then flows 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 it is cooling, then to be carried out to cathode block 2 that cooling water by inlet 31a flows into the first cooling flowing path 21
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,
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 by air inlet 41a in plasma gun 100 by ion gun 100 at this time by 5 starting the arc of striking pipe so that etc.
Non-transferred plasma arc is generated 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
The untransferable arc plasma arc of high temperature is formed at 100 gas outlet 30a, the disengaging of striking pipe 5 does 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 between the lower end and gas outlet 30a of cathode 4 increase and
The operation for influencing plasma gun 100, is arranged with respect to cathode block 2 by cathode 4 and moves, 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 coolant liquids, and without being limited thereto.
It, can relative to cathode block 2 by being arranged on cathode block 2 according to the plasma gun 100 of the utility model embodiment
It is equipped with striking pipe 5 at gas outlet 30a on mobile cathode 4 while anode 3, and makes one end and the cathode 4 of striking pipe 5
One end is only supported, and to realize the contact starting of plasma gun 100, and can effectively make up the length of the scaling loss of cathode 4；It is logical
It crosses and does the first cooling flowing path 21 of interior setting, the second cooling flowing path 31 of setting in anode 3 in cathode block 2, and the first cooling is flowed
Road 21 is connected to the second cooling flowing path 31 by connecting tube 22 so that external cooling water can be carried out effectively with plasma gun 100
It is cooling, to reduce the hull-skin temperature of plasma gun 100, consequently facilitating man-hour manually hand-held operates.100 structure of plasma gun as a result,
Simply, compact, be easy to implement, be at low cost, can be used for artificial melting refractory material, such as ceramics, high temperature alloy etc., wait from
Sub- rifle 100 can be used 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, 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 utility model, it is formed with external screw thread on the periphery wall of cathode 4, is formed on cathode block 2
There is the internal thread coordinated with external screw thread.Since plasma gun 100 realizes contact starting, and contact starting by striking pipe 5
So that scaling loss occurs for cathode 4, it at this time can be by rotating cathode 4 so that cathode 4 is moved down relative to cathode block 2 to make up burning
The length of the cathode 4 of damage, it is convenient, fast.Wherein, externally threaded axial length is equal to or more than the axial length of internal thread, can
To increase displacement distance of the cathode 4 relative to cathode block 2, to extend the service life of cathode 4, avoid frequently replacing cathode 4.
In the alternative embodiment of the utility model, the inner surface of one end of the correspondence anode 3 of cavity 100a is formed as court
The cambered surface or the conical surface recessed to the direction far from cathode block 2 ensures the use of plasma gun 100 so as to avoid stress concentration
Service life, while ensure that the distance between anode 3 and cathode 4, in order to striking.For example, in the example of fig. 1, the court of anode 3
It can be formed as arc surface to the inner surface of 4 lower end of cathode, which is downwardly concaved, so as to avoid the correspondence of cavity 100a
The inner surface of one end of anode 3 generates the structure of shape mutation so that the distribution of the thermal stress of anode 3 is more uniform, avoids producing
Raw stress concentration.
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 the thermal stress of anode 3 more uniform respectively.
In some embodiments of the utility model, one end of cathode 4 is formed towards the direction protrusion far from cathode block 2
Arcuate structure.For example, in the example of fig. 1, the lower end of cathode 4 is formed with towards close to the direction of gas outlet 30a protrusion
Arc-shaped structure.It is understood that one end of the neighbouring gas outlet 30a of cathode 4 can also be formed as it according to practical application
His shape, and it is without being limited thereto.
In the alternative 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.
In the further embodiment of the utility model, as shown in Figure 1-Figure 3, the periphery wall of striking pipe 5 is equipped with multiple
Protrusion 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
It can be substantially all formed as quadrangle, the end face of the free end of each protrusion 51 is mutually only supported with the wall surface of gas outlet 30a, to subtract
Small contact area between striking pipe 5 and gas outlet 30a wall surfaces, reduces rubbing between striking pipe 5 and gas outlet 30a wall surfaces
Power is wiped, to ensure that the striking pipe 5 of scorification can be blown out plasma gun 100 by plasma gas.
Optionally, striking pipe 5 is threaded at the 30a of gas outlet, that is to say, that is formed on the periphery wall of striking pipe 5
External screw thread is formed with the internal thread coordinated with above-mentioned external screw thread on the 30a wall surfaces of gas outlet so that striking pipe 5 and gas outlet 30a walls
It is in contact between face and there are certain active force between striking pipe 5 and gas outlet 30a wall surfaces, striking pipe 5 is avoided to be detached from anode
3。
In specific embodiment of the utility model, inlet channel 41 is passed through along the axially extending and inlet channel 41 of cathode 4
Wear the both ends end face of cathode 4.For example, in the example of fig. 1, inlet channel 41 can along cathode 4 it is axial it is vertical extend and into
The upper surface and lower face of cathode 4 are run through in gas channel 41 so that the structure of inlet channel 41 is simple, easy to process.
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 the plasma gun 100 according to the above-mentioned first aspect embodiment of the utility model.
For example, as shown in figure 4, be filled with plasma gas in gas cylinder 101, it is filled with cooling water in 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 switching cabinet 104 with liquid outlet 21a, 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,
It powers 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 that dc welding machine power supply typically connects since dc welding machine does not have high-frequency high-voltage arc striking
Touch striking, therefore can directly be converted by dc welding machine according to the plasma apparatus of the utility model embodiment 200,
It is simple in structure, at low cost.
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 dc welding machine directly repacks plasma apparatus 200 into, and plasma apparatus 200 can be used as it is non-diverting
Arc plasma apparatus uses so that common electric welding machine can generate high temperature untransferable arc plasma arc, and it is such from
Sub- equipment 200 is simple in structure, it is at low cost, convenient for repacking, the technique for simplifying untransferable arc plasma apparatus greatly facilitates
User is conducive to the popularization of untransferable arc plasma technology.
Specifically, be connected by tracheae 101a between air inlet 41a and gas cylinder 101, the both ends of tracheae 101a respectively with into
Gas port 41a, 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；Welder power 102 and switching cabinet
It is connected by cable 102a between 104, the both ends of cable 102a connect be connected soon with welder power 102, switching cabinet 104 respectively；
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 of transferring
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.
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-Fig. 3 with a specific embodiment detailed description according to the plasma of the utility model embodiment
Rifle 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-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, simultaneously
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, axially extending, the gas outlets along plasma gun 100 cavity 100a 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
It is movably threaded through on cathode block 2 downwards, the inlet channel 41 being connected to 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 arranged so that air inlet 41a can by into
Gas channel 41 is connected to 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
It supports, the end face of the free end of eight protrusions 51 is mutually only supported with the wall surface of gas outlet 30a and striking pipe 5 is connected with 3 screw thread of anode
It connects, 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
It disassembles from anode 3, is placed at the 30a of gas outlet when needing using plasma gun 100, then by striking pipe 5.
There is the first cooling flowing path 21, the first cooling flowing path 21 to be arranged 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 to be set around gas outlet 30a in anode 3
It sets, 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
It is connected by connecting tube 22 between one end so that communicated between the first cooling flowing path 21 and the second cooling flowing path 31, cooling water can
To flow into the second cooling flowing path 31 to carry out cooling to anode 3 by inlet 31a and then flow into the first cooling by connecting tube 22
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 be copper alloy part or ferroalloy part etc., cathode 4 be graphite piece, such as 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 flows into the second cooling flowing path 31 with after cool down to anode 3, being passed through, the first cooling flowing path 21 is interior 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, to
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, it as shown in Figure 1, being formed with external screw thread on the periphery wall of cathode 4, is formed on cathode block 2 and outer spiral shell
The internal thread of line cooperation, so as to make cathode 4 be moved down relative to cathode block 2 to make up scaling loss by rotating cathode 4
Cathode 4 length.The lower end of cathode 4 is formed towards the arcuate structure of the direction protrusion far from cathode block 2, cavity 100a's
The inner surface of one end of corresponding anode 3 is formed towards the recessed arc surface in the direction far from cathode block 2, consequently facilitating keeping cloudy
Minimum range between pole and anode 3 is 2mm-5mm, in favor of striking.
Below with reference to Fig. 4 with a specific embodiment detailed description according to the plasma apparatus of the utility model embodiment
200.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 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 Fig. 1-plasma guns 100 shown in Fig. 3.It is filled with plasma in 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 at 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 being connected to the second cooling flowing path 31 and liquid outlet can be equipped at inlet 31a
It can be equipped with the outlet tube 21b being connected to the first cooling flowing path 21 at 21a, transfer between cabinet 104 and inlet tube 31b, switching cabinet
Be connected by water power cable 104a between 104 and outlet tube 21b, water power cable 104a and switching cabinet 104 between, water power cable 104a with
Between 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；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 cabinet 104 of transferring
By cable 102a be connected, between cable 102a and positive terminal, between cable 102a and negative pole end, cable 102a with switching cabinet
It is connect soon between 104 connected；Cooling-water machine 103 have inlet and outlet, water inlet and switching cabinet 104 between, water outlet with
Transfer cabinet 104 between by water pipe 103a be connected, between water pipe 103a and water inlet, between water pipe 103a and water outlet, water
It is all made of and is 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, it is formed with external screw thread on the periphery wall of brass tube, is formed on the internal perisporium of inlet channel 41 and coordinates with above-mentioned external screw thread
Internal thread to facilitate the connection between tracheae 101a and cathode 4, while can play heat-insulated effect, avoid tracheae
The temperature of 101a is excessively high 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
103, it transfers between cabinet 104 and plasma gun 100 and forms 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
When power supply 102, gas cylinder 101 is not opened, and striking pipe 5 is avoided to be blown off gas outlet 30a by air-flow；After 100 starting the arc of plasma gun, first will
Current regulation is 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；It, 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 satisfies the 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 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；
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 are located at the other side of the insulation gun body, and the anode, the cathode block and the insulation gun body are total
With axial cavity is limited, the gas outlet being connected to the cavity is formed on the anode, the anode is interior cold with second
But flow path, one end of second cooling flowing path are another in the inlet and the liquid outlet, second cooling
It is connected by connecting tube between the other end of flow path and the other end of first cooling flowing path；
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 is removable 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 the one end of the cathode being located at outside the cavity；
Striking pipe, the striking pipe are located at the gas outlet, and described one end of one end of the striking pipe and the cathode
Only support.
2. plasma gun according to claim 1, which is characterized in that it is formed with external screw thread on the periphery wall of the cathode,
The internal thread coordinated with the external screw thread is formed on the cathode block, the externally threaded axial length is equal to or more than described
The axial length of internal thread.
3. plasma gun according to claim 1 or 2, which is characterized in that the correspondence anode of the cavity it is described
The inner surface of one end is formed towards the recessed cambered surface or the conical surface in the direction far from the cathode block.
4. 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.
5. 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.
6. plasma gun according to claim 1, which is characterized in that the periphery wall of the striking pipe is equipped with multiple convex
It rises, multiple raised being provided at circumferentially spaced along the striking pipe.
7. plasma gun according to claim 1, which is characterized in that the striking pipe screw thread is connected to the gas outlet
Place.
8. plasma gun according to claim 1, which is characterized in that the inlet channel is axially extending along the cathode
And through the both ends end face of the cathode.
9. a kind of plasma apparatus, which is characterized 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 described in 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 switching cabinet with the liquid outlet.
10. plasma apparatus according to claim 9, which is characterized in that pass through between the air inlet and the gas cylinder
Tracheae 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721742129.5U CN207720496U (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 |
|---|---|---|---|
| CN201721742129.5U CN207720496U (en) | 2017-12-13 | 2017-12-13 | Plasma gun and plasma apparatus with it |
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| Publication Number | Publication Date |
|---|---|
| CN207720496U true CN207720496U (en) | 2018-08-10 |
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ID=63055800
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| CN201721742129.5U Expired - Fee Related CN207720496U (en) | 2017-12-13 | 2017-12-13 | Plasma gun and plasma apparatus with it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587922A (en) * | 2018-12-11 | 2019-04-05 | 新奥科技发展有限公司 | A kind of plasma water torch |
| 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 |
-
2017
- 2017-12-13 CN CN201721742129.5U patent/CN207720496U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587922A (en) * | 2018-12-11 | 2019-04-05 | 新奥科技发展有限公司 | A kind of plasma water torch |
| 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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