CN203595131U - Cutting torch - Google Patents
Cutting torch Download PDFInfo
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- CN203595131U CN203595131U CN201320821274.8U CN201320821274U CN203595131U CN 203595131 U CN203595131 U CN 203595131U CN 201320821274 U CN201320821274 U CN 201320821274U CN 203595131 U CN203595131 U CN 203595131U
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- lower nozzle
- inner core
- base
- core
- cutting torch
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Abstract
The utility model provides a cutting torch and relates to the field of metal cutting devices. The cutting torch comprises a case, an inner core and a lower nozzle. The inner core and the lower nozzle are arranged in the case. The inner core is connected with the lower nozzle which comprises a lower nozzle base, a nozzle core and a lower nozzle sleeve. The cutting torch has the advantages that the nozzle core of the cutting torch and the lower nozzle base are matched through a two-layer tower structure, and therefore the sealing property of the cutting torch is improved; the lower nozzle is provided with a preheating hole, a Laval spraying nozzle is adopted in the inner core, and therefore flame spurt from the cutting torch is high in penetrating power, in the cutting process, a cut seam is small, a cut face is flat, the cutting efficiency is effectively improved, and sources are saved.
Description
Technical field
The utility model relates to metal-cutting device field, in particular to a kind of cutter cutting torch.
Background technology
Gas cutting is exactly to utilize oxy arc first the cut place of the steel and iron parts of preparing cutting to be burnt to red heat degree, is then blown into pure oxygen in high pressure air-flow, and the part being cut is acutely burnt in oxygen, is fused into liquid, and is washed out by air-flow, thereby reach cutting object.
The gas circuit sealing of tradition burning torch cutting torch is undesirable, unstable when cutting torch work, easily cause connection loosing, the phenomenon such as leak air, even cause cutting torch in use to damage and cut in produce tempering phenomenon, while particularly needing to cut large thickness steel billet, because sealing is undesirable, current rate is inadequate, and temperature is inadequate, has the incomplete problem of cutting while making to cut.
Utility model content
The purpose of this utility model is to provide a kind of cutting torch, to solve the above problems.
The utility model provides a kind of cutting torch, comprises shell, inner core and lower nozzle, and inner core and lower nozzle are placed in shell, and described inner core is connected with lower nozzle,
Described lower nozzle comprises:
Lower nozzle base, in described lower nozzle base, be provided with main aperture, be provided with the first sloping platform and the second sloping platform in described main aperture, described the first sloping platform is arranged at described the second sloping platform below, the bottom of described lower nozzle base is also provided with a side opening, and described side opening communicates with described main aperture;
Mouth core, described mouth core is placed in described main aperture, one end of described mouth core and described the first sloping platform laminating, the middle part of described mouth core is provided with boss, described boss and described the second sloping platform laminating, in described boss, be provided with along described mouth mandrel to pore, described pore communicates with described side opening, the other end of described mouth core stretches out described lower nozzle base, and the outside of described mouth core is provided with groove, and described groove is along described mouth mandrel to setting;
Lower nozzle sleeve, described lower nozzle sleeve is sheathed on one end of stretching out described lower nozzle base of described mouth core, and described lower nozzle sleeve and described mouth core and described lower nozzle base laminating, described lower nozzle sleeve is provided with along described mouth mandrel to preheating gate, and described preheating gate communicates with described pore.
Mouth core and lower nozzle base coordinate laminating by the first sloping platform and the second sloping platform, have improved the air-tightness of total, and the preheating gate that lower nozzle sleeve is provided with can improve the temperature of wanted cutting steel plate.
Further, described inner core comprises:
Inner core base, described inner core base is provided with a mixed air cavity, and the bottom of described inner core base is provided with two the first through holes, and described two the first through holes all communicate with described mixed air cavity;
Take over, described adapter is placed in the bottom in described mixed air cavity, fits in one end of described adapter and described bottom, and described adapter communicates with one of them in described two the first through holes,
The pipe of emanating, one end of the described pipe of emanating is placed in described mixed air cavity, the outer wall of the described pipe of emanating and described mixed air cavity laminating, the inwall of the described pipe of emanating and the laminating of the other end of described adapter, one end of the described pipe of emanating is provided with at least two the second through holes, described the second through hole communicates with described mixed air cavity, described in the emanate other end of pipe stretch out described inner core base, described in emanate pipe for Laval nozzle;
Inner core sleeve, described in described inner core cover jacket casing is located at, emanate pipe and described inner core base on, and described inner core sleeve with described in emanate pipe and described inner core base fit.
Adopt Laval nozzle can improve the flow velocity of gas, cutting power is further improved.
Further, one end that described mouth core stretches out described lower nozzle base is for being centrum shape.The design that is centrum shape can make flame more concentrated, has better cutting effect.
Further, described pore is at least four, described pore annular arrangement.Four whiles of described pore arrange circlewise and can effectively improve the efficiency of ventilation and the stability of air-flow.
Further, described groove is at least four, described groove annular arrangement.Described groove is at least four, described groove annular arrangement can allow ejection steady air current.
Further, described preheating gate is at least four.Four preheating gates can meet pre-heat demand, carry out enough preheatings.
Further, described adapter and described inner core base joint place are sloping platform.Make in conjunction with tightr by sloping platform, sealing property is better.
The beneficial effects of the utility model are that mouth core and the lower nozzle base of cutting torch coordinates by double-deck tower structure, improve the closed type of cutting torch, on lower nozzle, set up preheating gate and inner core and adopt Laval nozzle, make the flame penetration power of cutting torch ejection strong, in cutting process, slot is little, face flat, effectively raise cutting efficiency, saved resource.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the cutting torch that provides of the utility model the first embodiment;
Fig. 2 is the cutaway view of the lower nozzle of the cutting torch that provides of the utility model the first embodiment;
Fig. 3 is the cutaway view of the lower nozzle base of the lower nozzle of the cutting torch that provides of the utility model the first embodiment;
Fig. 4 is the cutaway view of the cutting torch that provides of the utility model the second embodiment;
Fig. 5 is the cutaway view of the lower nozzle of the cutting torch that provides of the utility model the second embodiment;
Fig. 6 is the cutaway view of the inner core of the cutting torch that provides of the utility model the second embodiment.
The specific embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
A kind of cutting torch providing for the utility model the first embodiment as Figure 1-3, comprises shell 8, inner core and lower nozzle, and inner core and lower nozzle are placed in shell 8, and described inner core is connected with lower nozzle,
Described lower nozzle comprises:
In cutting process, gas passage is two, article one, along main aperture 12, another finally flows out by groove 23 and preheating gate 31 jointly along side opening 15 to pore 22, because the preheating gate 31 in sleeve and groove 23 form two-row structure, increase gas output, the air-flow of better while of pre-heat effect of the steel plate to cutting is more powerful, and the effect of cutting is better, and when especially steel plate cutting, effect is more obvious.Mouth core 2 is tower double-decker simultaneously, the first sloping platform 13 arranging in the interior main aperture 12 of lower nozzle base 1 and the second sloping platform 14 fit tightly with mouth core 2, laminating more in the past, adopt the cooperation on inclined-plane, the sealing property of gas is better, the not too large change of stability of structure after generation strain even if this structure of while is heated, and the combination of mouth core 2 and lower nozzle base 1 is still tight, can there is not gas leakage or unsettled phenomenon, effectively stop to occur in use procedure tempering phenomenon.
A kind of cutting torch providing for the utility model the second embodiment as Figure 4-Figure 6, comprises shell 8, inner core and lower nozzle, and inner core and lower nozzle are placed in shell 8, and described inner core is connected with lower nozzle,
Described lower nozzle comprises:
Described inner core comprises:
Inner core base 4, inner core base 4 is provided with a mixed air cavity 42, and the bottom of inner core base 4 is provided with 41, two the first through holes 41 of two the first through holes and all communicates with mixed air cavity 42;
Take over 5, take over 5 bottoms that are placed in mixed air cavity 42, take over one end and the laminating of described bottom of 5, and take over 5 and communicate with one of them in two the first through holes 41, adapter 5 and inner core base 4 joint places are sloping platform.
Emanate and manage 6, pipe 6 the one end of emanating is placed in mixed air cavity 42, emanate pipe 6 outer wall and mixed air cavity 42 fitted, emanate pipe 6 inwall and the other end laminating of taking over 5, pipe 6 the one end of emanating is provided with two the second through holes 61, the second through hole 61 communicates with mixed air cavity 42, and the other end of the pipe 6 of emanating stretches out inner core base 4, and the pipe 6 of emanating is for Laval nozzle;
Laval nozzle is made up of two conical pipes, and one of them is collapsible tube, and another is convergent divergent channel.The first half of Laval nozzle is to be contracted to from large to small a narrow larynx to centre.At the bottom of changing from small to big again after narrow larynx and expanding outwardly to arrow.Gas in rocket body is subject to the first half of high pressure flow nozzle, through after narrow larynx by latter half of effusion.The flow velocity that can effectively improve gas by the pipe 6 of emanating of Laval nozzle, further improves cutting power.Simultaneously, described adapter 5 and described inner core base 4 joint places are for also adopting sloping platform, the air-tightness of inner core is also further improved, and the mouth core 2 of lower nozzle stretches out one end employing centrum design of lower nozzle base 1, can concentrate flame bundle, make temperature and the concentration degree of flame higher, reduced the rear slot of cutting few, improved cut quality.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a cutting torch, is characterized in that, comprises shell, inner core and lower nozzle, and inner core and lower nozzle are placed in shell, and described inner core is connected with lower nozzle,
Described lower nozzle comprises:
Lower nozzle base, in described lower nozzle base, be provided with main aperture, be provided with the first sloping platform and the second sloping platform in described main aperture, described the first sloping platform is arranged at described the second sloping platform below, the bottom of described lower nozzle base is also provided with a side opening, and described side opening communicates with described main aperture;
Mouth core, described mouth core is placed in described main aperture, one end of described mouth core and described the first sloping platform laminating, the middle part of described mouth core is provided with boss, described boss and described the second sloping platform laminating, in described boss, be provided with along described mouth mandrel to pore, described pore communicates with described side opening, the other end of described mouth core stretches out described lower nozzle base, and the outside of described mouth core is provided with groove, and described groove is along described mouth mandrel to setting;
Lower nozzle sleeve, described lower nozzle sleeve is sheathed on one end of stretching out described lower nozzle base of described mouth core, and described lower nozzle sleeve and described mouth core and described lower nozzle base laminating, described lower nozzle sleeve be provided with along described mouth mandrel to preheating gate, described preheating gate communicates with described pore.
2.
according toa kind of cutting torch claimed in claim 1, is characterized in that,
Described inner core comprises:
Inner core base, described inner core base is provided with mixed air cavity, and the bottom of described inner core base is provided with two the first through holes, and described two the first through holes all communicate with described mixed air cavity;
Take over, described adapter is placed in the bottom in described mixed air cavity, fits in one end of described adapter and described bottom, and described adapter communicates with one of them in described two the first through holes,
The pipe of emanating, one end of the described pipe of emanating is placed in described mixed air cavity, the outer wall of the described pipe of emanating and described mixed air cavity laminating, the inwall of the described pipe of emanating and the laminating of the other end of described adapter, one end of the described pipe of emanating is provided with at least two the second through holes, described the second through hole communicates with described mixed air cavity, described in the emanate other end of pipe stretch out described inner core base, described in emanate pipe for Laval nozzle;
Inner core sleeve, described in described inner core cover jacket casing is located at, emanate pipe and described inner core base on, and described inner core sleeve with described in emanate pipe and described inner core base fit.
3. a kind of cutting torch according to claim 1, is characterized in that, one end that described mouth core stretches out described lower nozzle base is centrum shape.
4. a kind of cutting torch according to claim 1, is characterized in that, described pore is at least four, described pore annular arrangement.
5. a kind of cutting torch according to claim 1, is characterized in that, described groove is at least four, described groove annular arrangement.
6. a kind of cutting torch according to claim 1, is characterized in that, described preheating gate is at least four.
7.
according toa kind of cutting torch claimed in claim 2, is characterized in that, described adapter and described inner core base joint place are sloping platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821274.8U CN203595131U (en) | 2013-12-12 | 2013-12-12 | Cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821274.8U CN203595131U (en) | 2013-12-12 | 2013-12-12 | Cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595131U true CN203595131U (en) | 2014-05-14 |
Family
ID=50676016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320821274.8U Expired - Fee Related CN203595131U (en) | 2013-12-12 | 2013-12-12 | Cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269331A (en) * | 2016-10-15 | 2017-01-04 | 开平市高美空调设备有限公司 | Hydraulic spray nozzle |
-
2013
- 2013-12-12 CN CN201320821274.8U patent/CN203595131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269331A (en) * | 2016-10-15 | 2017-01-04 | 开平市高美空调设备有限公司 | Hydraulic spray nozzle |
| CN106269331B (en) * | 2016-10-15 | 2019-02-15 | 开平市高美空调设备有限公司 | Hydraulic spray nozzle |
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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: 20140514 Termination date: 20161212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |