CN204244557U - Rotarting anode formula plasma generator - Google Patents
Rotarting anode formula plasma generator Download PDFInfo
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- CN204244557U CN204244557U CN201420638650.4U CN201420638650U CN204244557U CN 204244557 U CN204244557 U CN 204244557U CN 201420638650 U CN201420638650 U CN 201420638650U CN 204244557 U CN204244557 U CN 204244557U
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- anode
- plasma
- plasma generator
- shower nozzle
- rotarting
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Abstract
The utility model discloses a kind of rotarting anode formula plasma generator.During the work of this plasma generator, anode can rotate according to predetermined direction and angular speed.Improve the plasma arc root landing point of plasma generator in the position of anode on the one hand, improve the anode life of plasma generator; Plasma jet can change direction along with the rotation of anode on the other hand, makes the plasma jet of nozzle present annular.The plasma generator that the utility model proposes changes the plasma jet direction in plasma generator anode exit, especially can be used on the plasma quenching of bend pipe inner surface, expands the range of application in material surface process of plasma generator.
Description
Technical field
The utility model belongs to heat plasma technology field, is specifically related to a kind of rotarting anode formula plasma generator.
Background technology
The advantages such as plasma, as a kind of novel heat source, compares traditional low energy densities thermal source, and it has, and energy density is high, jet temperature is high, adjustability and controllability good, easily be automated; Compare high energy thermal source (as laser), it is simple that it has generator apparatus, convenient for installation and maintenance, with low cost, applied widely, to outstanding advantages such as environmental requirement are low, hot plasma is more suitable for being applied in industrial production.The various fields such as this technology is widely used in surface treatment, metal-modified, metal smelt, and nano material manufactures again, cutting welding waste incineration.
Plasma is used in surface treatment aspect and has outstanding advantage, plasma has firing rate when carrying out surface hardening to steel part and is exceedingly fast, heat affected area is very little, cooling rate also outstanding advantage quickly, after surface hardening, workpiece can form the quenching structure of meticulous densification, increase substantially case hardness and the resistance to wear of workpiece, and workpiece deformation is very little, can carry out following process assembly process without the need to straightening, be a kind of ideal process for quenching.
Plasma generator integrates water, electricity, gas, current conventional plasma generator anode is relative fixing with negative electrode position on the generator, can only be that pipeline keeps motionless when processing bend pipe or cylinder surfaces, rifle body rotates, or pipeline rotation generator is static.The water channel that the former plasma generator connects and air flue also will move accordingly, and motion is difficult to control, relatively complicated; The latter's bend pipe rotating operation is very inconvenient, and therefore general plasma spraying gun is difficult to use in bend pipe inner surface treatment aspect.
A kind of air plasma jet large area surface processing device is mentioned in patent CN 101631416 B, it is for a kind of atmospheric plasma body technique that utilizes is to carry out the device of surface preparation, extremely clean surface can be provided for material parts, and improve the adhesive capacity on surface.But its plasma belongs to air plasma, temperature can only within the scope of 300 DEG C ~ 1500 DEG C, and temperature is much smaller than 10000K, and processing material is also that simple roughness changes, and is difficult to the internal organizational structure changing material.
Summary of the invention
For foregoing, the utility model proposes a kind of rotarting anode formula plasma generator
,its anode shower nozzle duct tilts, and plasma jet is tilted; Anode shower nozzle is rotatable, and the plasma jet of inclination the circular motion of composite anode shower nozzle can form ring-type scan line; Under the motion of whole plasma generator, plasma jet finally forms screw thread scan line track.This rotarting anode formula plasma generator is to carrying out hot plasma surface treatment to bend pipe and cylinder surfaces, and its process is reliable, easy to operate, controls simple
.
According to above-mentioned rotarting anode formula plasma generator, this generator comprises anode, negative electrode and rifle body three parts, it is characterized in that described anode is made up of anode casing (1) and anode shower nozzle (2), anode casing (1) connects firmly on rifle body, for being rotatably connected between anode shower nozzle (2) and anode casing (1), sealing adopts rotary seal mode; Anode shower nozzle (2) is processed with auxiliary air inlet channel (5).
Auxiliary air vent axis is consistent with anode shower nozzle end plasma jet duct axis direction.Under the effect of secondary air, in anode shower nozzle duct, the direction of plasma jet more easily changes, and reduces the thermal shock of plasma jet antianode shower nozzle.
According to above-mentioned rotarting anode formula plasma generator, it is characterized in that: described anode shower nozzle outer face is processed with gear-profile, gear drive can ensure the accuracy of rotating, the transmission of anode shower nozzle is stage-geared simultaneously, adopts intergrade gear can reduce the space of generator requirement.Intergrade gear is connected on anode casing, and drive motors is connected on rifle body.Under motor drives, anode shower nozzle rotates with suitable speed, under the motion of plasma generator, and the final plasma jet forming screw thread scan line track.
According to above-mentioned rotarting anode formula plasma generator, it is characterized in that: plasma jet duct axis and the negative electrode axis of described anode spray outlet end have angle.Plasma jet can spray from nozzle, forms the slanting jet having angle with anode shower nozzle end face.
According to above-mentioned rotarting anode formula plasma generator, it is characterized in that: junction, described anode shower nozzle plasma duct surface inserting has resistant to elevated temperatures tungsten or tungsten alloy, can reduce the ablation of anode shower nozzle, improve the useful life of anode shower nozzle.
According to above-mentioned rotarting anode formula plasma generator, it is characterized in that: described anode adopts copper, copper alloy or stainless steel material.
The utility model provides a kind of rotarting anode formula plasma generator structure.During the work of this plasma generator, anode shower nozzle can rotate by angular speed according to the rules.
Improve the plasma arc arc root landing point of plasma generator in the position of anode on the one hand, improve the anode life of plasma generator; Plasma jet can rotate along with the rotation of anode on the other hand, and the plasma jet of nozzle presents screw thread scan line track.
The plasma generator that the utility model proposes changes the plasma jet direction in plasma generator anode exit, especially can be used on the plasma surface quench of inner surface of pipeline, the range of application in material surface process of plasma generator can be expanded.
Accompanying drawing explanation
Fig. 1 is rotarting anode formula plasma generator structural representation.
Fig. 2 is gear drive schematic diagram.
Wherein: 1-anode casing, 2-anode shower nozzle, 3-anode cooling-water duct, 4-intermediate insulating layer, 5-auxiliary air inlet channel, 6-negative electrode, 7-main inlet channel, 8-rifle body, 9-cooled cathode aquaporin, 10-drive motors, 11-drive link, 12-driven wheel, 13-intergrade gear, 14-nozzle face flank profil, 15-auxiliary air vent, 16-elbow-board, 17-anode spray outlet, 18-plasma jet, 19-plasma generator.
Embodiment
In order to better explain explanation the utility model, now by reference to the accompanying drawings specific implementation of the present utility model is described in detail.
As shown in Fig. 1, rotarting anode formula plasma generator described in the utility model, it mainly comprises anode part, negative electrode and generator main body.Anode part is made up of anode casing (1) and anode shower nozzle (2), and anode casing (1) is connected with rotary seal by bearing with anode shower nozzle (2); Negative electrode (6) is Ce-W bar embed generator main body; Centre is generator insulated part, and auxiliary air inlet channel (5) is located on intermediate insulating layer (4), and main inlet channel (7) is located in generator main body, and main pore is near negative electrode (6).
During plasma generator work, plasma-arc is produced between negative electrode (6) and anode shower nozzle (2), the working gas of generator is entered by main inlet channel (7), plasma jet is formed under plasma arc effect, plasma jet moves along the plasma duct of anode shower nozzle (2), anode spray outlet stomidium road (17) direction change and secondary air effect under spray along anode spray outlet end.
As shown in Figure 2, generator drive part drive motors (10), drive link (11), driven wheel (12), intergrade gear (13) and anode shower nozzle (14) composition.The rotation of drive motors arrives driven wheel through driving shaft, and the rotary motion of drive motors is delivered to anode shower nozzle (2) by gears meshing through idler gear by driven wheel.
From the tilted plasma body jet (18) of plasma nozzle outlet ejection in conjunction with the rotary motion of nozzle and under the impetus of outside auxiliary body plasma generator, final form screw thread scan line track.This rotarting anode formula plasma generator is reliable to bend pipe inner surface treatment, easy to operate, and control simple, its anode shower nozzle can under static state work, and realizes the function of general plasma generator.
Finally need explanation; above case study on implementation is only unrestricted for illustration of the technical solution of the utility model; those skilled in the art are to be understood that; the technical solution of the utility model is modified or equivalent replacement; and do not depart from aim of the present utility model and scope, all should be encompassed in the middle of protection range of the present utility model.
Claims (4)
1. a rotarting anode formula plasma generator, this generator comprises anode, negative electrode and rifle body three parts, it is characterized in that: described anode is made up of anode casing (1) and anode shower nozzle (2), anode casing (1) connects firmly on rifle body, for being rotatably connected between anode shower nozzle (2) and anode casing (1), sealing adopts rotary seal mode; Anode shower nozzle (2) is processed with auxiliary air inlet channel (5).
2. rotarting anode formula plasma generator according to claim 1, it is characterized in that: described anode shower nozzle (2) outer face is processed with gear-profile, the transmission of anode shower nozzle (2) is stage-geared, intergrade gear is connected on anode casing (1), and drive motors (10) is connected on rifle body.
3. rotarting anode formula plasma generator according to claim 1, is characterized in that: plasma jet duct axis and the negative electrode axis of described anode spray outlet end have angle.
4. rotarting anode formula plasma generator according to claim 1, is characterized in that: junction, the plasma duct surface inserting of described anode shower nozzle has resistant to elevated temperatures tungsten or tungsten alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638650.4U CN204244557U (en) | 2014-10-31 | 2014-10-31 | Rotarting anode formula plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638650.4U CN204244557U (en) | 2014-10-31 | 2014-10-31 | Rotarting anode formula plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204244557U true CN204244557U (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420638650.4U Expired - Fee Related CN204244557U (en) | 2014-10-31 | 2014-10-31 | Rotarting anode formula plasma generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204244557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284504A (en) * | 2014-10-31 | 2015-01-14 | 四川大学 | Rotating anode plasma generator |
-
2014
- 2014-10-31 CN CN201420638650.4U patent/CN204244557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284504A (en) * | 2014-10-31 | 2015-01-14 | 四川大学 | Rotating anode plasma generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |