CN2847791Y - Screw insulation sleeve of plasma cutting torch - Google Patents
Screw insulation sleeve of plasma cutting torch Download PDFInfo
- Publication number
- CN2847791Y CN2847791Y CN 200520139508 CN200520139508U CN2847791Y CN 2847791 Y CN2847791 Y CN 2847791Y CN 200520139508 CN200520139508 CN 200520139508 CN 200520139508 U CN200520139508 U CN 200520139508U CN 2847791 Y CN2847791 Y CN 2847791Y
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- China
- Prior art keywords
- insulating case
- spiral
- spiral insulating
- cutting torch
- insulation sleeve
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- Expired - Fee Related
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- Plasma Technology (AREA)
Abstract
The utility model relates to a screw insulation sleeve of a plasma cutting torch. A flute is arranged on the outer ring of the screw insulation sleeve along the radial direction of the screw insulation sleeve; more than three oblique slots which are distributed uniformly are also arranged on the outer ring of the screw insulation sleeve; the tops of the oblique slots are communicated with the flute; the slot bottoms of the oblique slots are used as the bottom of the screw insulation sleeve; the oblique slots can guide gas to form gas stream on the bottom of the screw insulation sleeve. The utility model has a plurality of oblique slots which are distributed uniformly and are arranged on the outer ring of the screw insulation sleeve; the utility model can process conveniently, and the oblique slots has high precision; when the gas passes through the oblique slots distributed uniformly and are guided by the oblique slots, the rotary screw gas stream can be distributed uniformly, and the screw gas stream can be centralized highly to avoid phenomena of arc bias; cutting thickness and cutting quality are stable.
Description
Technical field
The utility model relates to a kind of accessory of plasma cutting cutting torch, especially relates to a kind of spiral insulating case of plasma cutting cutting torch.
Background technology
The plasma cutting cutting torch of prior art is the outlet of compressed air directly being guided into nozzle by the air flue in the cutting torch, it between electrode and the nozzle chamber discharge cavity, when the cathode filament of electrode tip produces electronics, gas is in the discharge cavity internal ionization and produce the spout ejection of high-temperature plasma from nozzle, implements the cutting to metal.Because the gas flow meeting of guiding the nozzle place into directly influences the useful life of cut quality and electrode and nozzle, therefore I am by being provided with the spiral air flow passage in the cavity that forms between insulating case and conduction rifle core, make the gas that enters in insulating case and the conduction rifle core cavity by the spiral air flow passage, pressurization acceleration formation spiral air flow rotates around electrode and advances, the one side cooling electrode, Gao Su spiral air flow is concentrated by making the plasma arc energy height in the nozzle on the other hand, improves cut quality and thickness etc.Owing to be in the periphery of conduction rifle core or be provided with screw thread at the inwall place of insulating case and realize the spiral air flow passage, and in the processing of screw thread, especially processing is comparatively difficult to multiple thread, so the periphery of conduction rifle core or on the inwall of insulating case multiple thread also can only process 2～3 usually, and the multiple thread precision is difficult for guaranteeing, therefore can't realize producing requirement that spiral air flow is distributed very evenly inclined to one side arc phenomenon sometimes, and influence cut quality.
Summary of the invention
The purpose of this utility model provides a kind of easy to process, forms the spiral insulating case of the plasma cutting cutting torch of the spiral air flow be evenly distributed after making gas by a plurality of skewed slots.
The utility model is that the technical scheme that achieves the above object is: a kind of spiral insulating case of plasma cutting cutting torch, it is characterized in that: the outer ring of described spiral insulating case radially is provided with groove along it, also be provided with the skewed slot of dividing equally more than three on the outer ring of spiral insulating case, the top of skewed slot communicates with groove, the bottom land of skewed slot is the bottom of spiral insulating case, skewed slot leads to gas, forms spiral air flow in the bottom of spiral insulating case.
The utility model on the spiral insulating case, be provided with make gas by the time form a plurality of skewed slots of spiral air flow, because skewed slot is arranged on the outer ring of spiral insulating case, and the top of skewed slot is provided with groove again, therefore can adopt and mill processing, on the spiral insulating case, evenly process a plurality of skewed slots easily, because it is easy to process, and skewed slot precision height, therefore after gas passes through a plurality of uniform skewed slots, the spiral air flow of rotation is distributed very evenly, make the spiral air flow high concentration, can't produce inclined to one side arc phenomenon, cutting thickness and cut quality are comparatively stable.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a kind of structural representation of spiral insulating case of the present utility model.
Fig. 2 is the structural representation of looking up of Fig. 1.
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 4 is that the spiral insulating case is installed in one of structural representation on the cutting cutting torch.
Fig. 5 is the another kind of structural representation of the utility model spiral insulating case.
Fig. 6 is the B-B sectional structure schematic diagram of Fig. 5.
Fig. 7 is the structural representation of looking up of Fig. 5.
Fig. 8 is installed in two of the structural representation of cutting on the cutting torch with the spiral insulating case.
Wherein: 1-spiral insulating case; The 1-1-groove; The 1-2-skewed slot; The 1-3-air flue; The 2-gas channel; 3-cutting torch body; The 4-lead; 5-conduction rifle core; The 6-copper sheathing; The 7-insulation protective jacket; The 8-electrode; The 9-nozzle.
Embodiment
The spiral insulating case of the plasma cutting cutting torch shown in Fig. 1～3, the outer ring of this spiral insulating case 1 radially is provided with groove 1-1, also be provided with the skewed slot 1-2 that divides equally more than three on the outer ring of spiral insulating case 1, this skewed slot 1-2 can 3～20 be evenly distributed on the outer ring of spiral insulating case 1; Best 6～12 equally distributed skewed slot 1-2 are arranged on the outer ring of spiral insulating case 1, the top of skewed slot 1-2 communicates with groove 1-1, the bottom land of skewed slot 1-2 is the bottom of spiral insulating case 1, and this groove 1-1 is positioned at the middle and lower part of spiral insulating case 1, makes skewed slot 1-2 have steering capability preferably.The angle α on skewed slot 1-2 of the present utility model and spiral insulating case 1 plane is between 10 °～80 °; Or this angle α is between 30 °～60 °; Its angle α also can be between 40 °～50 °, can set according to the specification of cutting cutting torch, when gas makes it to form the uniform spiral air flow of rotation by skewed slot 1-2 to the bottom of spiral insulating case 1.Spiral insulating case 1 of the present utility model adopts resistant to elevated temperatures insulating material to make.
Shown in Figure 4 is that spiral insulating case with said structure is installed in embodiment on the cutting torch.Plasma cutting cutting torch is by cutting torch body 3; conduction rifle core 5; spiral insulating case 1; copper sheathing 6; insulation protective jacket 7; formations such as the electrode 8 of band hafnium filament and nozzle 9; be provided with the water guide core in the endoporus of conduction rifle core 5 and electrode 8; water guide core two ends communicate with intake tunnel and exhalant canal respectively; electrode 8 is cooled off; spiral insulating case 1 is sleeved on the conduction rifle core 5; copper sheathing 6 is sleeved on the periphery of spiral insulating case 1 and is connected to lead 4; between copper sheathing 6 and spiral insulating case 1, has air cavity; copper sheathing 6 is fixedly connected on the cutting torch body 3; the gas channel 2 that is arranged on the cutting torch body 3 communicates with copper sheathing 6; gas enters in the copper sheathing 6 from gas channel 2; and make water route and gas circuit isolation in the cutting torch, prevent cutting torch internal cause steam effectively and the short circuit phenomenon that takes place.The gas one tunnel that enters in copper sheathing 6 and spiral insulating case 1 air cavity forms spiral air flow through the skewed slot 1-2 of spiral insulating case 1 pressurized pilot, and move downward the inner chamber that enters nozzle 9 around electrode 8, through compressing plasma arc hyper tape delivery nozzle 9 that electrode 8 is emitted once more and cutting metal.Simultaneously, another road gas cools off nozzle 9 under the guide effect of insulation protective jacket 7 by the through hole of copper sheathing 6 bottoms.
See Fig. 5～7th, the spiral insulating case of another structure of the present utility model, its structure and above-mentioned spiral insulating case are basic identical, different is on top that spiral insulating case 1 is positioned at groove 1-1 air flue 1-3 also, the end of air flue 1-3 communicates with the inner chamber of insulating case 1, and corresponding with air flue on the conduction rifle core 5, the other end of air flue 1-3 communicates with groove 1-1; The other end of this air flue 1-3 also can communicate with the outer ring of spiral insulating case 1.See shown in Figure 8, when the gas channel 2 of gas by cutting torch body 1 enters in the conduction rifle core 5, and enter in the air flue 1-3 of spiral insulating case 1 by the pore of conduction rifle core 5, enter again in the air cavity of copper sheathing 6 and spiral insulating case 1, at this moment, gas one tunnel forms spiral air flow through the skewed slot 1-2 of spiral insulating case 1 pressurized pilot, and moves downward the inner chamber that enters nozzle 9 around electrode 8, compresses plasma arc hyper tape delivery nozzle 9 that electrode 8 is emitted once more and cutting metal.Simultaneously, another road gas cools off nozzle 9 under the guide effect of insulation protective jacket 7 by the through hole of copper sheathing 6 bottoms.
Claims (8)
1, a kind of spiral insulating case of plasma cutting cutting torch, it is characterized in that: the outer ring of described spiral insulating case (1) radially is provided with groove (1-1) along it, also be provided with skewed slot uniform more than three (1-2) on the outer ring of spiral insulating case (1), the top of skewed slot (1-2) communicates with groove (1-1), the bottom land of skewed slot (1-2) is the bottom of spiral insulating case (1), skewed slot (1-2) leads to gas, forms spiral air flow in the bottom of spiral insulating case (1).
2, the spiral insulating case of plasma according to claim 1 cutting cutting torch is characterized in that: described skewed slot (1-2) is on 3～20 outer rings that are evenly distributed on spiral insulating case (1).
3, the spiral insulating case of plasma cutting cutting torch according to claim 1 and 2, it is characterized in that: the angle α on described skewed slot (1-2) and spiral insulating case (1) plane is between 10 °～80 °.
4, the spiral insulating case of plasma cutting cutting torch according to claim 1 and 2, it is characterized in that: the angle α on described skewed slot (1-2) and spiral insulating case (1) plane is between 30 °～60 °.
5, the spiral insulating case of plasma cutting cutting torch according to claim 1 and 2, it is characterized in that: the angle α on described skewed slot (1-2) and spiral insulating case (1) plane is between 40 °～50 °.
6, the spiral insulating case of plasma cutting cutting torch according to claim 1, it is characterized in that: the top that described spiral insulating case (1) is positioned at groove (1-1) also is provided with air flue (1-3), one end of air flue (1-3) communicates with the inner chamber of spiral insulating case (1), and the other end of air flue (1-3) communicates with groove (1-1).
7, the spiral insulating case of plasma cutting cutting torch according to claim 1, it is characterized in that: the top that described spiral insulating case (1) is positioned at groove (1-1) also is provided with air flue (1-3), one end of air flue (1-3) communicates with the inner chamber of spiral insulating case (1), and the other end of air flue (1-3) communicates with the outer ring of spiral insulating case (1).
8, according to the spiral insulating case of the described plasma cutting in one of claim 1 or 6 or 7 cutting torch, it is characterized in that: described groove (1-1) is positioned at the middle and lower part of spiral insulating case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520139508 CN2847791Y (en) | 2005-12-08 | 2005-12-08 | Screw insulation sleeve of plasma cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520139508 CN2847791Y (en) | 2005-12-08 | 2005-12-08 | Screw insulation sleeve of plasma cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2847791Y true CN2847791Y (en) | 2006-12-13 |
Family
ID=37513210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520139508 Expired - Fee Related CN2847791Y (en) | 2005-12-08 | 2005-12-08 | Screw insulation sleeve of plasma cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2847791Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102296A (en) * | 2016-08-04 | 2016-11-09 | 深圳市诚峰智造有限公司 | Plasma surface processing device |
| CN111922517A (en) * | 2020-06-28 | 2020-11-13 | 大族激光科技产业集团股份有限公司 | Laser head gas rectification structure |
-
2005
- 2005-12-08 CN CN 200520139508 patent/CN2847791Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102296A (en) * | 2016-08-04 | 2016-11-09 | 深圳市诚峰智造有限公司 | Plasma surface processing device |
| CN106102296B (en) * | 2016-08-04 | 2017-09-29 | 深圳市诚峰智造有限公司 | Plasma surface processing device |
| CN111922517A (en) * | 2020-06-28 | 2020-11-13 | 大族激光科技产业集团股份有限公司 | Laser head gas rectification structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20101208 |