CN209124534U - Dual gas supply low-temperature plasma machine spray gun - Google Patents
Dual gas supply low-temperature plasma machine spray gun Download PDFInfo
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- CN209124534U CN209124534U CN201821722187.6U CN201821722187U CN209124534U CN 209124534 U CN209124534 U CN 209124534U CN 201821722187 U CN201821722187 U CN 201821722187U CN 209124534 U CN209124534 U CN 209124534U
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Abstract
The utility model discloses a kind of dual gas supply low-temperature plasma machine spray guns, apply the machinery field in plasma cleaning equipment, the technical issues of plasma gas temperature for solving spray gun ejection is difficult to decrease, its key points of the technical solution are that including shell, axial direction along shell and the electrode that is immobilized in the shell, nozzle is connected positioned at the threaded one end of shell in the shell, venting cavity is equipped with along the axial direction of nozzle in the nozzle, the electrode is inserted into the venting cavity and clearance fit in venting cavity, the thermally conductive cavity mutually completely cut off is equipped between the nozzle and the shell, the shell is equipped with the venthole being connected to outside thermally conductive cavity and shell, tracheae is connected on the venthole；What is had has the technical effect that the temperature that can reduce plasma gas, so that the object of non-refractory will not be damaged.
Description
Technical field
The utility model relates to the machinery fields of plasma cleaning equipment, more specifically, it relates to which a kind of dual gas supply is low
Warm plasma machine spray gun.
Background technique
Plasma cleaner, as cleansing medium, is efficiently avoided because liquid rinse medium is to cleaned material using gas
Bring secondary pollution.
Currently, the Chinese patent that notification number is CN206567293U discloses a kind of novel plasma cleaning sprayer device,
It includes the head body of tubulose, and head body bottom is reversed cone nozzle, and head body is built-in with electrode；Head body passes through
Flexible pipe is connected with generator body；Generator body is built-in with gas control valve and frequency radio source, and gas control valve one end connects
External gas source is passed to, the gas control valve other end is connected at nozzle by gas piping, and the anode of frequency radio source passes through anode
Line is connected to electrode, and the cathode of frequency radio source is connected to head body by negative line；Electrode line, negative line and gas piping are equal
It is arranged in flexible pipe.
This novel plasma cleaning sprayer device, when gas flows through in head body, electrode discharges high-voltage electricity at this time
Gas ionization is formed plasma wind by arc.It can be ionized since gas needs to absorb the energy discharged on electrode, because
, when gas is flowed out from nozzle, temperature can increase for this, to be unfavorable for cleaning the object of some non-refractories.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of dual gas supply low-temperature plasma machines
Spray gun, its advantage is that, it can reduce the temperature of plasma gas, so that the object of non-refractory will not be damaged.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of dual gas supply low temperature etc.
Ion machine spray gun, including shell, the axial direction along shell and the electrode that is immobilized in the shell, positioned at shell in the shell
Threaded one end connects nozzle, and the interior axial direction along nozzle of the nozzle is equipped with venting cavity, and the electrode is inserted into the venting cavity
In and clearance fit in venting cavity, the thermally conductive cavity that mutually completely cuts off, the shell are equipped between the nozzle and the shell
It is equipped with the venthole being connected to outside thermally conductive cavity and shell, is connected with tracheae on the venthole.
Through the above technical solutions, electrode discharges high-voltage arc at this time, will when gas passes through shell and flows through electrode
Gas ionization is at plasma wind, by plasma wind come the surface of cleaning of objects.Electricity when passing through electrode due to gas, on electrode
It can be converted to the thermal energy of gas, so that the temperature of gas increases, while comparing plasma gas temperature to being intratracheally passed through
Other low gases recycle the principle of heat transmitting, so that heat is transmitted to low other of temperature by the high plasma gas of temperature
Gas, to play the role of reducing plasma gas temperature.Electrode is inserted in nozzle, and between electrode and venting cavity there are
Gap, plasma wind are flowed out from gap.For cooling gas from the outer surface of nozzle flow, thus prevent plasma wind with
Other gas mixings；Plasma (orifice) gas and the gas of cooling are independent of each other, when thermally conductive cavity stuffiness, the temperature of plasma (orifice) gas at this time
Highest is spent, when the gas flow rate in thermally conductive cavity becomes faster, heat transmitting at this time is fast, so that the reduction of plasma (orifice) gas temperature is also big.
The utility model is further arranged to: one end on the nozzle far from the electrode is set along the radial direction of nozzle
There is a boss, along the circumferentially uniformly distributed several ventholes of the axial direction of boss, the venthole and the thermally conductive cavity on the boss
Connection.
Through the above technical solutions, boss is used to position the positional relationship between nozzle and shell, when the side of boss is supported
Touching illustrates to assemble between nozzle and shell and complete at the side of shell.Since boss can block thermally conductive cavity, so that thermally conductive
Cavity can not be vented, therefore venthole is processed on boss, and thermally conductive empty intracavity gas is circulated.
The utility model is further arranged to: being removably connected with spray head on the nozzle.
Through the above technical solutions, spray head is threadedly attached on nozzle, nozzle is enabled to replace different model
Spray head, thus the spray regime of regulating gas.The gas outlet of nozzle is far from venthole, so as to prevent from flowing out in venthole
Gas is mixed with plasma (orifice) gas, causes cleaning effect poor.
The utility model is further arranged to: one end on the shell far from the nozzle is equipped with mounting hole, the peace
Fill and be equipped with insulation sleeve in hole, the insulation sleeve it is interior equipped with ring flange, the axial direction on the ring flange along ring flange is removable
It unloads and is connected with terminal clamp, the electrode is fixed in the terminal clamp.
Through the above technical solutions, be connected with high-voltage electricity on electrode, shell is metal material, and ceramic material when insulation sleeve has
Effect prevents electrode from contacting with shell, to prevent staff from contacting shell and getting an electric shock.Terminal clamp is used for holding electrode, convenient
Electrode is installed on insulation sleeve.
The utility model is further arranged to: being equipped with spiral shell along the axis direction perpendicular to terminal clamp on the terminal clamp
Pit, the screw thread sky are threaded with locking nail.
Through the above technical solutions, screwing locking nail at this time when electrode is assembled in terminal clamp, locking nail is contradicted in electricity
On extremely, so that it is guaranteed that electrode position on terminal clamp is not changing.
The utility model is further arranged to: the mounting hole is equipped with the step contradicted for the insulation sleeve, the shell
It is threaded on body for the pedestal by insulator abutting in the mounting hole.
Through the above technical solutions, insulation sleeve is plugged on shell, when pedestal is tightened on shell, insulation sleeve quilt at this time
It clamps.Setting facilitates and disassembles insulation sleeve in this way, further facilitate by insulation sleeve ring flange, terminal clamp and
Terminal clamp top electrode is disassembled out of shell together.
The utility model is further arranged to: being equipped with the first jack, the along the axial direction of the pedestal on the pedestal
Two jacks, first jack and the electrode are coaxial, and second jack is connected to the inner hole of the insulation sleeve.
Through the above technical solutions, the first jack supply lines is worn and penetrated, electrode is enabled to discharge electric arc, the first jack and electricity
It is extremely coaxial, prevent electric wire.Second jack is for gas to pass through, so that gas enters in shell.
The utility model is further arranged to: being circumferentially evenly equipped with several lead to along the axial direction of ring flange on the ring flange
Hole.
Through the above technical solutions, through-hole facilitates gas to enter in nozzle from pedestal, circumferentially uniformly distributed through-hole, so that gas
It can uniformly enter in venting cavity, and uniformly be wrapped in around electrode, enable electrode adequately by gas electricity
From.
In conclusion the utility model has the following beneficial effects:
1, two-way gas is used to handle body surface all the way, is used to cooling down plasma (orifice) gas into gas all the way, it is ensured that
Plasma (orifice) gas will not be damaged to body surface；
2, tracheae, the gas flow on adjustable tracheae, so that plasma can not only be reduced are connected on thermally conductive cavity
The temperature of gas, and the temperature of plasma (orifice) gas can be regulated and controled.
Detailed description of the invention
Fig. 1 is the internal structure cross-sectional view of the present embodiment.
Fig. 2 is the tracheae of the present embodiment and the structural schematic diagram of venthole.
Fig. 3 is the spray head of the present embodiment and the structural schematic diagram of nozzle.
Fig. 4 is the pedestal and shell connection relationship diagram of the present embodiment.
Fig. 5 is the electrode, insulation sleeve, flange circle assembling structure schematic diagram of the present embodiment.
Appended drawing reference: 1, spray head；2, nozzle；201, boss；202, venthole；3, shell；4, venting cavity；5, thermally conductive sky
Chamber；6, venthole；7, tracheae；8, mounting hole；9, insulation sleeve；10, pedestal；11, the first jack；12, the second jack；13, conducting wire；
14, snorkel；15, ring flange；16, terminal clamp；17, step；18, electrode；19, through-hole；20, threaded hole；21, locking nail.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: Fig. 1 and Fig. 2, a kind of dual gas supply low-temperature plasma machine spray gun, including shell 3, along the axis of shell 3 are referred to
To direction and the electrode 18 that is fixed in shell 3；When gas enters in shell 3, when flowing through electrode 18, electrode 18 discharges height at this time
Piezoelectricity arc ionizes gas by force, when so that gas being flowed out from shell 3, plasma wind is formed, when plasma wind blows to object
Surface when, the function of being cleaned is played to object.Nozzle 2 is connected in the threaded one end of shell 3.It is arranged in nozzle 2
Venting cavity 4,18 clearance fit of electrode in venting cavity 4 so that gas by electrode 18 ionize after between venting cavity 4 and electrode 18
Gap outflow.Thermally conductive cavity 5 is set between nozzle 2 and shell 3, and thermally conductive cavity 5 is led for cooling down to plasma (orifice) gas
Hot cavity 5 is not connected to venting cavity 4, be arranged on thermally conductive cavity 5 with the venthole 6 that connects outside shell 3, connected on venthole 6
There is tracheae 7.When plasma gas is sprayed from spray gun, at this time by being passed through temperature into tracheae 7 lower than plasma gas
Other gases, using the principle of heat transmitting so that the heat transfer of plasma gas is to cryogenic gas, thus play reduction etc. from
The effect of sub- gas temperature.
With reference to Fig. 1 and Fig. 3, boss 201 is set along the radial direction of nozzle 2 on nozzle 2, boss 201 is for positioning spray
Position between mouth 2 and shell 3.In the circumferentially uniformly distributed several ventholes 202 of the axial direction of boss 201, venthole 202 with it is thermally conductive
Cavity 5 is connected to.When nozzle 2 is assembled on shell 3, the side of boss 201 is contradicted in the side of shell 3 at this time, thermally conductive at this time
Gas in cavity 5 is flowed out from venthole 202.
With reference to Fig. 3, it is threaded with spray head 1 on nozzle 2, spray head 1 is detachably connected on nozzle 2, from
And different spray heads 1 can be replaced according to different situations.The gas outlet of spray head 1 is far from venthole 202, so as to prevent
The gas flowed out in venthole 202 is mixed with plasma (orifice) gas, causes cleaning effect poor.
With reference to Fig. 1 and Fig. 5, the processing mounting holes 8 in shell 3, one end in mounting hole 8 far from nozzle 2 is equipped with absolutely
Edge set 9, insulation sleeve 9 is made of ceramic and the mounting flange 15 in insulation sleeve 9, the axis of mounting hole 8, shell 3 axis,
The axis of the axis of insulation sleeve 9, the axis of ring flange 15 and electrode 18 is overlapped.Terminal clamp is threaded on ring flange 15
16, terminal clamp 16 is for fixing electrode 18.Due to being connected with high-voltage electricity on electrode 18, insulation sleeve 9 prevents electrode 18 and shell 3
Between be electrically connected, to prevent staff from touching shell 3 and getting an electric shock.Setting enables electrode 18 dismountable in this way
It is connected in shell 3, to be convenient for changing electrode 18 and maintenance.
With reference to Fig. 1 and Fig. 5, threaded hole is set along the axis direction perpendicular to 18 collet 16 of electrode on 18 collet 16 of electrode
20, locking nail 21 is threaded in threaded hole 20.When electrode 18 is assembled on terminal clamp 16, locking nail is locked at this time
21 are fixed on electrode 18 on 18 collet 16 of electrode.If the axial direction on ring flange 15 along ring flange 15 is circumferentially evenly equipped with
Dry through-hole 19, when gas enters in insulation sleeve 9, gas enables gas to flow in nozzle 2 by through-hole 19 at this time.
With reference to Fig. 1 and Fig. 4, the step 17 contradicted for insulation sleeve 9 is set on mounting hole 8, and screw thread connects on shell 3
It is connected to pedestal 10, pedestal 10 prevents insulation sleeve 9 from falling off from mounting hole 8 for fixing insulation sleeve 9.Pedestal 10 is threaded in
In mounting hole 8, when pedestal 10 is connected in mounting hole 8, the both ends of insulation sleeve 9 contradict on step 17 and pedestal respectively at this time
On 10.The first jack 11 and the second jack 12, the first jack 11 and electrode are processed along the axial direction of pedestal 10 on pedestal 10
18 is coaxial, and the second jack 12 is connected to the inner hole of insulation sleeve 9；Conducting wire 13 is passed through in the first jack 11, conducting wire 13 is connected to electricity
On pole 18, snorkel 14 is connected in the second jack 12, the second jack 12 needs ionized gas for being passed through.
Action process: first via gas enters in insulation sleeve 9 from the second jack 12, then from the ring flange in insulation sleeve 9
Enter in nozzle 2 in through-hole 19 on 15, after the ionization of electrode 18, forms plasma wind and sprayed from spray head 1, be sprayed onto object
Behind body surface face, body surface is cleaned；Second road gas enters thermally conductive cavity 5 from tracheae 7, then from venthole 202
Outflow, to play the role of cooling down to plasma gas.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of dual gas supply low-temperature plasma machine spray gun, including shell (3), along shell (3) axial direction and be fixed on shell
(3) electrode (18) in, which is characterized in that the threaded one end in the shell (3) positioned at shell (3) connects nozzle (2), described
Venting cavity (4) are equipped with along the axial direction of nozzle (2) in nozzle (2), the electrode (18) is inserted into the venting cavity (4) and gap
Cooperation is equipped with the thermally conductive cavity (5) mutually completely cut off in venting cavity (4) between the nozzle (2) and the shell (3), described
Shell (3), which is equipped with, is connected to thermally conductive cavity (5) and the venthole (6) of shell (3) outside, is connected with tracheae on the venthole (6)
(7)。
2. dual gas supply low-temperature plasma machine spray gun according to claim 1, which is characterized in that separate on the nozzle (2)
One end of the electrode (18) and boss (201) are equipped with along the radial direction of nozzle (2), along boss on the boss (201)
(201) the circumferentially uniformly distributed several ventholes (202) of axial direction, the venthole (202) are connected to the thermally conductive cavity (5).
3. dual gas supply low-temperature plasma machine spray gun according to claim 2, which is characterized in that removable on the nozzle (2)
It unloads and is connected with spray head (1).
4. dual gas supply low-temperature plasma machine spray gun according to claim 1, which is characterized in that separate on the shell (3)
One end of the nozzle (2) is equipped with mounting hole (8), is equipped with insulation sleeve (9) in the mounting hole (8), sets in the insulation sleeve (9)
Having ring flange (15), the axial direction on the ring flange (15) along ring flange (15) is removably connected with terminal clamp (16),
The electrode (18) is fixed in the terminal clamp (16).
5. dual gas supply low-temperature plasma machine spray gun according to claim 4, which is characterized in that on the terminal clamp (16)
Threaded hole (20) are equipped with along the axis direction perpendicular to terminal clamp (16), are threaded with locking nail in the threaded hole (20)
(21)。
6. dual gas supply low-temperature plasma machine spray gun according to claim 4, which is characterized in that set on the mounting hole (8)
There is the step (17) contradicted for the insulation sleeve (9), is threaded on the shell (3) for supporting the insulation sleeve (9)
The tightly pedestal (10) in the mounting hole (8).
7. dual gas supply low-temperature plasma machine spray gun according to claim 6, which is characterized in that along institute on the pedestal (10)
The axial direction for stating pedestal (10) is equipped with the first jack (11), the second jack (12), first jack (11) and the electrode
(18) coaxially, second jack (12) is connected to the inner hole of the insulation sleeve (9).
8. dual gas supply low-temperature plasma machine spray gun according to claim 4, which is characterized in that edge on the ring flange (15)
The axial direction of ring flange (15) is circumferentially evenly equipped with several through-holes (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722187.6U CN209124534U (en) | 2018-10-23 | 2018-10-23 | Dual gas supply low-temperature plasma machine spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722187.6U CN209124534U (en) | 2018-10-23 | 2018-10-23 | Dual gas supply low-temperature plasma machine spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209124534U true CN209124534U (en) | 2019-07-19 |
Family
ID=67232489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821722187.6U Active CN209124534U (en) | 2018-10-23 | 2018-10-23 | Dual gas supply low-temperature plasma machine spray gun |
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| Country | Link |
|---|---|
| CN (1) | CN209124534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263504A (en) * | 2020-01-19 | 2020-06-09 | 南京嘉阳工程技术有限公司 | Cooling device of plasma cleaning machine |
| CN113207216A (en) * | 2021-05-25 | 2021-08-03 | 四川大学 | Plasma source for surface cleaning and repairing |
-
2018
- 2018-10-23 CN CN201821722187.6U patent/CN209124534U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263504A (en) * | 2020-01-19 | 2020-06-09 | 南京嘉阳工程技术有限公司 | Cooling device of plasma cleaning machine |
| CN113207216A (en) * | 2021-05-25 | 2021-08-03 | 四川大学 | Plasma source for surface cleaning and repairing |
| CN113207216B (en) * | 2021-05-25 | 2022-02-11 | 四川大学 | Plasma source for surface cleaning and repairing |
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