CN201462849U - Cutting torch - Google Patents
Cutting torch Download PDFInfo
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- CN201462849U CN201462849U CN2009200011956U CN200920001195U CN201462849U CN 201462849 U CN201462849 U CN 201462849U CN 2009200011956 U CN2009200011956 U CN 2009200011956U CN 200920001195 U CN200920001195 U CN 200920001195U CN 201462849 U CN201462849 U CN 201462849U
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- cutting
- preheating
- cutting torch
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Abstract
The utility model discloses a cutting torch, which relates to a cutting tool. The rear end of the cutting torch is sunken inwards and is inserted with a cutting nozzle; a cutting oxygen inlet channel, a preheating channel A, a preheating channel B, a gas channel C and a gas channel D are arranged in the cutting torch; the cutting nozzle comprises a shell body and a cutting nozzle inner core; the space between the cutting nozzle inner core and the shell body is divided into a space A and a space B by a convex section; a preheating hole A at the rear end of the cutting nozzle is communicated with the space A, and a preheating hole B is communicated with the space B; and a cutting nozzle joint at the front end of the cutting nozzle inner core is provided with a plurality of preheating oxygen inlets A and gas inlets C communicated with the space A, and a plurality of preheating oxygen inlets B and gas inlets D communicated with the space B. The cutting torch has a simple structure and a low cost, can adjust the flame sizes and the flame divergent directions distributed in every direction around a wind line according to the position of a line to be cut during gas cutting, and particularly can turn down or close the flames after the wind line, converge the front flame remaining fire and centralize the fire on the line to be cut, and make full use of the calorific values of the flames to save gas.
Description
Technical field
The utility model relates to the Metal Cutting apparatus, a kind of specifically cutting torch.
Background technology
The cutting torch that generally uses can't be controlled flame power before and after the wind line respectively in the market, and does not make full use of the flame ember and treat secant preheating in early stage, uses the blast expense when therefore having caused gas cutting.The Cutting nozzle for cutting torch of No. 99245746.7 patent disclosures of China is a kind of improvement projects, but there is following shortcoming in it: this Cutting nozzle for cutting torch has only a cover preheat oxygen passage and a cover blast tube; The gas cutting flame distribution around the wind line to around disperse, and, only need add the working edge in hot blast line the place ahead during gas cutting according to the gas cutting principle, therefore this Cutting nozzle for cutting torch when preheating for raising the efficiency, need bigger flame power, not only waste energy, and strengthened use cost.No. 02247378.5 patent of China also discloses a kind of Oxygen-saving cutting torch, and it is to increase outer tube on cutting torch, and outer tube and high-pressure air tube are communicated with, and replaces the hyperbaric oxygen air-blowing from melting metal with pressure-air.Though this Oxygen-saving cutting torch has been saved cutting oxygen, can't save preheat flame so its method does not reach good cutting effect.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of cutting torch, simple in structure, with low cost, the flame size and the flame in each orientation are dispersed direction on every side to be distributed in the wind line by line position adjusting to be cut when gas cutting, particularly can turn or close the flame of wind line back down, the flame She fire that compiles the place ahead concentrates on treats on the secant that the calorific value that makes full use of flame realizes saving gas.
For reaching above purpose, the technical scheme that the utility model is taked is:
A kind of cutting torch, it is characterized in that: the rear end of cutting torch is to inner recess and be provided with the groove 28 of clamping cutting torch, cutting torch inside is provided with cutting oxygen air intake duct 8 along the axle center, the left and right sides of cutting oxygen air intake duct 8 is respectively equipped with preheating channel A4, preheating channel B5, preheating channel A4 left side is provided with blast tube C2, and preheating channel B5 right side is provided with blast tube D3; Said cutting torch comprises shell body 40, shell body 40 is provided with the cutting torch inner core 27 of band cutting oxygen gas off-take 31 vertically, cutting oxygen gas off-take 31 and cutting oxygen air intake duct 8 are adaptive, cutting torch inner core 27 and shell body 40 are by being arranged on the raised section A32 on the cutting torch inner core 27, raised section B33 is divided into space A22, space B 23, the preheating gate A25 of cutting torch rear end and space A22 are communicated with, preheating gate B26 and space B 23 are communicated with, the cutting head joint of cutting torch inner core 27 front ends is provided with the lug 24 adaptive with groove 28, also be provided with on the cutting head joint some respectively with preheating channel A4, preheating channel B5, blast tube C2, the preheat oxygen air inlet A18 that blast tube D3 is adaptive, preheat oxygen air inlet B19, fuel gas inlet C20, fuel gas inlet D21, preheat oxygen air inlet A18, fuel gas inlet C20 and space A22 are communicated with, preheat oxygen air inlet B19, fuel gas inlet D21 and space B 23 are communicated with.
On the basis of technique scheme, cutting head joint be provided with the curved short groove A37 adaptive with preheating channel A4, with the adaptive curved short groove B36 of preheating channel B5, with the adaptive curved short groove C34 of blast tube C2, with the adaptive curved short groove D35 of blast tube D3; Preheat oxygen air inlet A18 is arranged in the curved short groove A37, and preheat oxygen air inlet B19 is arranged in the curved short groove B36, and fuel gas inlet C20 is arranged in the curved short groove C34, and fuel gas inlet D21 is arranged in the curved short groove D35; Preheating channel A4 front end is inlet suction port A9, and the rear end is outlet A14; Preheating channel B5 front end is inlet suction port B7, and the rear end is outlet B13; Blast tube C2 front end is inlet suction port C10, and the rear end is outlet C15; Blast tube D3 front end is inlet suction port D11, and the rear end is outlet D12; Preheat oxygen air inlet A18, preheat oxygen air inlet B19, fuel gas inlet C20, fuel gas inlet D21 are respectively with outlet A14, outlet B13, outlet C15, D12 is adaptive in outlet.
On the basis of technique scheme, it is rectangular that preheating gate A25 and preheating gate B26 are arranged in the outlet left and right sides of cutting oxygen gas off-take 31 side by side.
On the basis of technique scheme, the outlet left and right sides that preheating gate A25 and preheating gate B26 are arranged in cutting oxygen gas off-take 31 side by side is alphabetical D shape.
Cutting torch described in the utility model, simple in structure, with low cost, the flame size and the flame in each orientation are dispersed direction on every side to be distributed in the wind line by line position adjusting to be cut when gas cutting, particularly can turn or close the flame of wind line back down, the flame She fire that compiles the place ahead concentrates on treats on the secant that the calorific value that makes full use of flame realizes saving gas.
Description of drawings
The utility model has following accompanying drawing:
The schematic diagram of gas circuit of Fig. 1 cutting torch
Fig. 2 cutting torch sectional side elevation
Fig. 3 cutting torch A-A line cutaway view
Fig. 4 cutting torch B-B line cutaway view
Fig. 5 cutting torch left view
Second kind of embodiment schematic diagram of Fig. 6 cutting torch
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Shown in Fig. 1～6, the rear end of cutting torch described in the utility model is to inner recess and be provided with the groove 28 of clamping cutting torch, cutting torch inside is provided with cutting oxygen air intake duct 8 along the axle center, the left and right sides of cutting oxygen air intake duct 8 is respectively equipped with preheating channel A4, preheating channel B5, preheating channel A4 left side is provided with blast tube C2, and preheating channel B5 right side is provided with blast tube D3; Said cutting torch comprises shell body 40, shell body 40 is provided with the cutting torch inner core 27 of band cutting oxygen gas off-take 31 vertically, cutting oxygen gas off-take 31 and cutting oxygen air intake duct 8 are adaptive, cutting torch inner core 27 and shell body 40 are by being arranged on the raised section A32 on the cutting torch inner core 27, raised section B33 is divided into space A22, space B 23, the preheating gate A25 of cutting torch rear end and space A22 are communicated with, preheating gate B26 and space B 23 are communicated with, the cutting head joint of cutting torch inner core 27 front ends is provided with the lug 24 adaptive with groove 28, also be provided with on the cutting head joint some respectively with preheating channel A4, preheating channel B5, blast tube C2, the preheat oxygen air inlet A18 that blast tube D3 is adaptive, preheat oxygen air inlet B19, fuel gas inlet C20, fuel gas inlet D21, preheat oxygen air inlet A18, fuel gas inlet C20 and space A22 are communicated with, preheat oxygen air inlet B19, fuel gas inlet D21 and space B 23 are communicated with.
On the basis of technique scheme, cutting head joint be provided with the curved short groove A37 adaptive with preheating channel A4, with the adaptive curved short groove B36 of preheating channel B5, with the adaptive curved short groove C34 of blast tube C2, with the adaptive curved short groove D35 of blast tube D3; Preheat oxygen air inlet A18 is arranged in the curved short groove A37, and preheat oxygen air inlet B19 is arranged in the curved short groove B36, and fuel gas inlet C20 is arranged in the curved short groove C34, and fuel gas inlet D21 is arranged in the curved short groove D35; Preheating channel A4 front end is inlet suction port A9, and the rear end is outlet A14; Preheating channel B5 front end is inlet suction port B7, and the rear end is outlet B13; Blast tube C2 front end is inlet suction port C10, and the rear end is outlet C15; Blast tube D3 front end is inlet suction port D11, and the rear end is outlet D12; , preheat oxygen air inlet B19, fuel gas inlet C20, fuel gas inlet D21 be respectively with outlet A14, outlet B13, outlet C15, D12 is adaptive in outlet.
On the basis of technique scheme, as shown in Figure 3, it is rectangular that preheating gate A25 and preheating gate B26 are arranged in the outlet left and right sides of cutting oxygen gas off-take 31 side by side.
On the basis of technique scheme, as shown in Figure 6, the outlet left and right sides that preheating gate A25 and preheating gate B26 are arranged in cutting oxygen gas off-take 31 side by side is alphabetical D shape.
As mentioned above, raised section A32, raised section B33 are divided into two independent space A22, space B 23 to the annular space in the cutting torch.Preheat oxygen air inlet A18, B19., fuel gas inlet C21, D22 be by being located at curved short groove A～D on the cutting head joint and linking and space A22, space B 23 cooperating and constituted preheat oxygen and combustion gas conveying circuit in the independent cutting torch of two covers.Lug 24 and groove 28 bonding mutually form locator, when cutting torch is installed, play fixation, prevent the cutting torch rotation.
The utility model course of work is as follows: earlier cutting torch and cutting torch are assembled, open a cover gas line, for example illustrate,------outlet A14 and inlet suction port C10---blast tube C2---export C15 to preheating channel A4 to open inlet suction port A9,---space A22---preheating gate A25 and combustion gas conveying circuit fuel gas inlet C20---space A22---preheating gate A25 by the preheat oxygen conveying circuit preheat oxygen air inlet A18 in the cutting torch, aim at place to be cut after forming fiery alkene, and make flame She fire gathering centrally aligned the place ahead treat secant; Open another set of gas line again, for example illustrate,------outlet B13 and inlet suction port D11---blast tube D3---export D12 to preheating channel B5 to open inlet suction port B7,------preheating gate B26 and combustion gas conveying circuit fuel gas inlet D21---space B 23---preheating gate B26 form the second cover flame to space B 23 by preheat oxygen circuit preheat oxygen air inlet B19 in the cutting torch.The second cover flame can be more a bit to accelerate preheating, when gas cutting begins, the second cover flame that is positioned at wind line back can be reduced or closes, economizing on gas, and the second cover gas line can also connect pressure-air, by blowing out pressure-air with auxiliary gas cutting.
Principle of the present utility model is the conveying circuit that has increased many covers preheated oxygen and combustion gas on former cutting torch and cutting torch, and every circuit is controlled separately and is supplied gas, its hot hole is distributed in cutting oxygen outlet both sides, its limit, place linearly or interior alkali arc make its converging property of flame She fire of ejection.The above-mentioned structure of setting up a separatist regime by force of arms is one of most preferred embodiment of the present utility model; the utility model is not limited to above-mentioned preferred forms; anyone should learn the structural change of making under enlightenment of the present utility model; every with the utlity model has identical or close technical scheme and (adopted and on cutting torch and cutting torch, be provided with the independent preheating gas passages of many covers; control wind line front and back flame respectively), all fall within the protection domain of the present utility model.
Claims (4)
1. cutting torch, it is characterized in that: the rear end of cutting torch is to inner recess and be provided with the groove (28) of clamping cutting torch, cutting torch inside is provided with cutting oxygen air intake duct (8) along the axle center, the left and right sides of cutting oxygen air intake duct (8) is respectively equipped with preheating channel A (4), preheating channel B (5), preheating channel A (4) left side is provided with blast tube C (2), and preheating channel B (5) right side is provided with blast tube D (3); Said cutting torch comprises shell body (40), shell body (40) is provided with the cutting torch inner core (27) of band cutting oxygen gas off-take (31) vertically, cutting oxygen gas off-take (31) and cutting oxygen air intake duct (8) are adaptive, cutting torch inner core (27) and shell body (40) are by being arranged on the raised section A (32) on the cutting torch inner core (27), raised section B (33) is divided into space A (22), space B (23), the preheating gate A (25) of cutting torch rear end and space A (22) are communicated with, preheating gate B (26) and space B (23) are communicated with, the lug (24) that cutting head joint is provided with and groove (28) is adaptive of cutting torch inner core (27) front end, also be provided with on the cutting head joint some respectively with preheating channel A (4), preheating channel B (5), blast tube C (2), the preheat oxygen air inlet A (18) that blast tube D (3) is adaptive, preheat oxygen air inlet B (19), fuel gas inlet C (20), fuel gas inlet D (21), preheat oxygen air inlet A (18), fuel gas inlet C (20) and space A (22) are communicated with, preheat oxygen air inlet B (19), fuel gas inlet D (21) and space B (23) are communicated with.
2. cutting torch as claimed in claim 1 is characterized in that: cutting head joint be provided with the curved short groove A (37) adaptive with preheating channel A (4), with the adaptive curved short groove B (36) of preheating channel B (5), with the adaptive curved short groove C (34) of blast tube C (2), with the adaptive curved short groove D (35) of blast tube D (3); Preheat oxygen air inlet A (18) is arranged in the curved short groove A (37), and preheat oxygen air inlet B (19) is arranged in the curved short groove B (36), and fuel gas inlet C (20) is arranged in the curved short groove C (34), and fuel gas inlet D (21) is arranged in the curved short groove D (35); Preheating channel A (4) front end is inlet suction port A (9), and the rear end is outlet A (14); Preheating channel B (5) front end is inlet suction port B (7), and the rear end is outlet B (13); Blast tube C (2) front end is inlet suction port C (10), and the rear end is outlet C (15); Blast tube D (3) front end is inlet suction port D (11), and the rear end is outlet D (12); Preheat oxygen air inlet A (18), preheat oxygen air inlet B (19), fuel gas inlet C (20), fuel gas inlet D (21) respectively with the outlet A (14), the outlet B (13), the outlet C (15), the outlet D (12) adaptive.
3. cutting torch as claimed in claim 1 or 2 is characterized in that: it is rectangular that preheating gate A (25) and preheating gate B (26) are arranged in the outlet left and right sides of cutting oxygen gas off-take (31) side by side.
4. cutting torch as claimed in claim 1 or 2 is characterized in that: the outlet left and right sides that preheating gate A (25) and preheating gate B (26) are arranged in cutting oxygen gas off-take (31) side by side is alphabetical D shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200011956U CN201462849U (en) | 2009-01-16 | 2009-01-16 | Cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200011956U CN201462849U (en) | 2009-01-16 | 2009-01-16 | Cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201462849U true CN201462849U (en) | 2010-05-12 |
Family
ID=42390201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200011956U Expired - Fee Related CN201462849U (en) | 2009-01-16 | 2009-01-16 | Cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201462849U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458449A (en) * | 2015-12-28 | 2016-04-06 | 中冶建筑研究总院有限公司 | Two-channel continuous casting flame cutting torch |
| CN105458450A (en) * | 2015-12-28 | 2016-04-06 | 中冶建筑研究总院有限公司 | Oxygen-flame cutting method with two pipelines of fuel gas mediums |
| CN105841155A (en) * | 2016-03-31 | 2016-08-10 | 中冶建筑研究总院有限公司 | Dual-preheating-flame cutting nozzle |
-
2009
- 2009-01-16 CN CN2009200011956U patent/CN201462849U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458449A (en) * | 2015-12-28 | 2016-04-06 | 中冶建筑研究总院有限公司 | Two-channel continuous casting flame cutting torch |
| CN105458450A (en) * | 2015-12-28 | 2016-04-06 | 中冶建筑研究总院有限公司 | Oxygen-flame cutting method with two pipelines of fuel gas mediums |
| CN105841155A (en) * | 2016-03-31 | 2016-08-10 | 中冶建筑研究总院有限公司 | Dual-preheating-flame cutting 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20130116 |