CN206316569U - A kind of plasma gun negative electrode header structure - Google Patents
A kind of plasma gun negative electrode header structure Download PDFInfo
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- CN206316569U CN206316569U CN201621358327.7U CN201621358327U CN206316569U CN 206316569 U CN206316569 U CN 206316569U CN 201621358327 U CN201621358327 U CN 201621358327U CN 206316569 U CN206316569 U CN 206316569U
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- tungsten electrode
- plasma gun
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Abstract
The utility model is related to plasma gun technical field, more particularly to a kind of plasma gun negative electrode header structure.The plasma gun negative electrode header structure includes tungsten electrode and cathode block, the cathode block it is relative be respectively arranged at two ends with internal diameter not wait first through hole and the second through hole, the first through hole is connected with the second through hole, and the tungsten electrode is embedded in the relatively small first through hole of internal diameter.Second through hole is led cool medium into cathode block as cooling duct, cooling medium is directly contacted with tungsten electrode, so that tungsten electrode cools.The utility model passes through interconnected first through hole and the second through hole, cooling medium is allowed directly to be contacted by the second through hole with tungsten electrode, tungsten electrode is cooled, heat exchange is carried out without being used as intermediate by the copper in conventional cathode head, the heat dispersion of cathode taps is ensure that to greatest extent, extends the use time of plasma gun.
Description
Technical field
The utility model is related to plasma gun technical field, more particularly to a kind of plasma gun negative electrode header structure.
Background technology
The main application of plasma gun is mounted on plasma incinerator, mainly to Chemical Manufacture and other industrial productions
During the toxic and harmful gas that produces carry out burning cracking, then just the gas after burning is discharged into air, reduced pair
A kind of device of atmosphere pollution.
Cathode taps are launched as the critical piece of plasma gun for plasma cathode, main in burning process is had suffered
Play igniting and plasma gun stable operation can be made, extend its use time and play critical effect.Cathode taps are being used
During due to burning produce high temperature, so must be cooled down when in use to cathode taps.Cathode taps are to use tungsten electrode
It is made with copper alloy welding, accompanying drawing 1 is it will be seen that its original structure, is to inject cooling agent in cathode taps endoporus, makes copper and tungsten
Pole carries out heat exchange and plays a part of cooling down cathode taps.
Utility model content
(1) technical problem to be solved
The technical problems to be solved in the utility model is how to improve the radiating effect of cathode taps in use to prolong
The use time of long plasma gun.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of plasma gun negative electrode header structure, and it includes tungsten
Pole and cathode block, the cathode block it is relative be respectively arranged at two ends with internal diameter not wait first through hole and the second through hole, described first
Through hole and the second through hole are connected, and the tungsten electrode is embedded in the relatively small first through hole of internal diameter.The second through hole conduct
Cooling duct, leads cool medium into cathode block, cooling medium is directly contacted with tungsten electrode, so that tungsten electrode cools.
It is preferred that, the tungsten electrode is welded in the first through hole, i.e., seam organization is filled between tungsten electrode and cathode block.
It is preferred that, the tungsten electrode is cylindrical, and the internal diameter of the first through hole is more than the external diameter of tungsten electrode.
It is preferred that, the step for being used for positioning the tungsten electrode is provided with the first through hole.
It is furthermore preferred that the step is rounded on cross section, and the internal diameter of step and the external diameter of tungsten electrode match.
Further preferably, the step and tungsten electrode are coaxially disposed.
It is preferred that, the first through hole, tungsten electrode and the second through hole three are coaxially disposed.
It is preferred that, the axial length of the first through hole is the 1/4~1/3 of the second through hole axial length.
It is preferred that, the material of the cathode block is red copper.
It is preferred that, the material of the tungsten electrode is tungsten.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the advantages that：The utility model passes through interconnected first
Through hole and the second through hole, allow cooling medium directly to be contacted by the second through hole with tungsten electrode, tungsten electrode are cooled, without by passing
Copper in cathode taps of uniting carries out heat exchange as intermediate, and the heat dispersion of cathode taps is ensure that to greatest extent, is extended
The use time of ion gun.The setting of step is easy to position extension elongation of the tungsten electrode in group weldering, and secondary beneficial to cathode taps adds
Work.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing negative electrode header structure；
Fig. 2 is the schematic diagram of plasma gun negative electrode header structure described in the utility model embodiment；
Wherein, 1, tungsten electrode；2nd, seam organization；3rd, cathode block；4th, first through hole；5th, the second through hole；6th, step.
Embodiment
Embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples.Following examples
For illustrating the utility model, but it can not be used for limiting scope of the present utility model.
In description of the present utility model, term " first ", " second " etc. are only used for describing purpose, and it is not intended that referring to
Show or imply relative importance.
As shown in Fig. 2 present embodiments providing a kind of plasma gun negative electrode header structure, it includes tungsten electrode 1 and cathode block 3,
The cathode block 3 it is relative be respectively arranged at two ends with the through hole 5 of first through hole 4 and second that internal diameter is not waited, the first through hole 4 and the
Two through holes 5 are connected, and the tungsten electrode 1, which is embedded, to be welded in the relatively small first through hole 4 of internal diameter, i.e., tungsten electrode 1 and cathode block 3 it
Between be filled with seam organization 2.Second through hole 5 is led cool medium into cathode block 3 as cooling duct, cooling is situated between
Matter is directly contacted with tungsten electrode 1, so that tungsten electrode 1 cools.
The tungsten electrode 1 is cylindrical, and the internal diameter of the first through hole 4 is more than the external diameter of tungsten electrode 1.It is provided with first through hole 4
Step 6 for positioning the tungsten electrode 1.The step 6 is rounded on cross section, and the external diameter of the internal diameter and tungsten electrode 1 of step 6
Match, and the first through hole 4, step 6, the three of 1 and second through hole of tungsten electrode 5 are coaxially disposed, it is suitable in favor of cooling medium
Channel Group leads to.
In the present embodiment, the axial length of the first through hole 4 is the 1/3 of the axial length of the second through hole 5.The cathode block
3 material is red copper, and the material of the tungsten electrode 1 is tungsten.
The plasma gun negative electrode header structure of the present embodiment will be set in cathode block in order that cooling medium is directly contacted with tungsten electrode
The first through hole for welding tungsten electrode is put, i.e., processes a through hole inwards from the end face of cathode block, and processes a step, is used
In position of the positioning tungsten electrode in first through hole, the size of first through hole is larger than the external diameter of tungsten electrode, for filling weld seam group
Knit, the size of step and the external diameter of tungsten electrode match, it is ensured that tungsten electrode is concentric with cathode block, tungsten electrode length increases in original length
To 12mm, allow tungsten electrode directly to be contacted with cooling medium, improve radiating effect.
In work, tungsten electrode is positioned over after being had good positioning in the first through hole of cathode block, cathode block is made using the method for welding
It is integrally formed with tungsten electrode, carries out secondary operation by the cathode taps to group soldering lattice, complete every size of cathode taps, process
Qualified cathode taps.The plasma gun negative electrode header structure of the present embodiment can improve the radiating efficiency of cathode taps, raising equipment and use
Life-span, saving cost of an asset.
Embodiment of the present utility model in order to example and description for the sake of and provide, and be not exhaustively or will
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Selection and description embodiment are, in order to more preferably illustrate principle of the present utility model and practical application, and to make this area
Those of ordinary skill is it will be appreciated that the utility model is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (10)
1. a kind of plasma gun negative electrode header structure, it is characterised in that including tungsten electrode and cathode block, the relative two ends of the cathode block
First through hole and the second through hole that internal diameter is not waited are respectively equipped with, the first through hole is connected with the second through hole, and the tungsten electrode is embedding
In the relatively small first through hole of internal diameter.
2. plasma gun negative electrode header structure according to claim 1, it is characterised in that the tungsten electrode is welded in described first
In through hole.
3. plasma gun negative electrode header structure according to claim 1, it is characterised in that the tungsten electrode is cylindrical, described
The internal diameter of first through hole is more than the external diameter of tungsten electrode.
4. plasma gun negative electrode header structure according to claim 1, it is characterised in that being provided with the first through hole is used for
Position the step of the tungsten electrode.
5. plasma gun negative electrode header structure according to claim 4, it is characterised in that the step is on cross section in circle
Shape, and the internal diameter of step and the external diameter of tungsten electrode match.
6. plasma gun negative electrode header structure according to claim 5, it is characterised in that the step and tungsten electrode are coaxially set
Put.
7. the plasma gun negative electrode header structure according to any one of claim 1~6, it is characterised in that the first through hole,
Tungsten electrode and the second through hole three are coaxially disposed.
8. plasma gun negative electrode header structure according to claim 1, it is characterised in that the axial length of the first through hole
It is the 1/4~1/3 of the second through hole axial length.
9. plasma gun negative electrode header structure according to claim 1, it is characterised in that the material of the cathode block is purple
Copper.
10. plasma gun negative electrode header structure according to claim 1, it is characterised in that the material of the tungsten electrode is tungsten.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358327.7U CN206316569U (en) | 2016-12-12 | 2016-12-12 | A kind of plasma gun negative electrode header structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358327.7U CN206316569U (en) | 2016-12-12 | 2016-12-12 | A kind of plasma gun negative electrode header structure |
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| Publication Number | Publication Date |
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| CN206316569U true CN206316569U (en) | 2017-07-11 |
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| CN201621358327.7U Active CN206316569U (en) | 2016-12-12 | 2016-12-12 | A kind of plasma gun negative electrode header structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524101A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of welding method of electron beam welding |
-
2016
- 2016-12-12 CN CN201621358327.7U patent/CN206316569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524101A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of welding method of electron beam welding |
| CN110524101B (en) * | 2019-08-30 | 2021-04-06 | 中国航发动力股份有限公司 | Welding method of electron beam welding |
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