CN111520718A - Tempering-resistant cutting torch - Google Patents
Tempering-resistant cutting torch Download PDFInfo
- Publication number
- CN111520718A CN111520718A CN202010181907.8A CN202010181907A CN111520718A CN 111520718 A CN111520718 A CN 111520718A CN 202010181907 A CN202010181907 A CN 202010181907A CN 111520718 A CN111520718 A CN 111520718A
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- China
- Prior art keywords
- cutting torch
- combustion
- oxygen
- mixing
- acetylene
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/38—Torches, e.g. for brazing or heating
- F23D14/42—Torches, e.g. for brazing or heating for cutting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/82—Preventing flashback or blowback
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses an anti-tempering cutting torch, which belongs to the technical field of cutting tools and comprises a cutting torch front part, wherein the cutting torch front part comprises a combustion-supporting oxygen port arranged on the side edge; the mixing pipe is inserted in the combustion-supporting oxygen port, the mixing pipe is hollow, a circle of mixing through holes are formed in the circumferential surface of the mixing pipe at equal intervals, and a space for mixing gas is reserved between the head of the insertion end of the mixing pipe and the combustion-supporting oxygen port. The front part of the cutting torch is provided with the mixing pipe, the circumferential surface of the mixing pipe is provided with a circle of mixing through holes at equal intervals, the mixing pipe is communicated with the acetylene pipe, and when the cutting torch works actually, acetylene enters the acetylene pipe and enters the mixing pipe through the mixing through holes to be mixed with combustion-supporting oxygen in the mixing pipe, so that the gas mixing is only carried out at the front part of the cutting torch in the whole working process, and even if an operator uses the cutting torch improperly to cause tempering, the mixing pipe can decompose sparks to play a role in resisting the tempering.
Description
Technical Field
The invention belongs to the technical field of cutting tools, and particularly relates to an anti-tempering cutting torch.
Background
The cutting torch is a common metal cutting tool, the current injection type welding and cutting torch mostly consists of a cutting torch front part, a cutting torch middle part, a cutting torch rear part and related components, the parts are welded through a gas pipe, and the cutting torch is free of an anti-backfire device, and the structure of long-distance transmission after oxygen and fuel gas are mixed is adopted generally, after the fire is shut off after the cutting is completed, because of no protective measures, sparks are easily caused to enter an oxygen bottle or an acetylene bottle through a pipeline, so that the gas bottle is exploded, further, personnel injury is caused, and the defects of easy backfire and low safety exist.
In summary, in order to overcome the structural deficiencies of the existing cutting torch, it is necessary to design a cutting torch with gas mixing before combustion and tempering resistance.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a cutting torch with a tempering resistance function, wherein gas is mixed at the front part of the cutting torch.
The purpose of the invention can be realized by the following technical scheme:
a temper resistant cutting torch comprises a torch body,
the cutting torch front part comprises a combustion-supporting oxygen port arranged on the side edge;
the mixing pipe is inserted in the combustion-supporting oxygen port, the mixing pipe is hollow, a circle of mixing through holes are formed in the circumferential surface of the mixing pipe at equal intervals, and a space for mixing gas is reserved between the head of the insertion end of the mixing pipe and the combustion-supporting oxygen port.
As a further improvement of the invention, the front part of the cutting torch also comprises a cutting oxygen port arranged above the combustion-supporting oxygen port and an acetylene port arranged below the combustion-supporting oxygen port, and the acetylene port is communicated with the mixing through hole.
As a further improvement of the invention, the front part of the cutting torch also comprises a nozzle which is arranged at the bottom and is vertically arranged, and the combustion-supporting oxygen port and the cutting oxygen port are respectively communicated with the nozzle.
As a further improvement of the present invention, there is also included,
the middle part of the cutting torch is connected with the front part of the cutting torch through a plurality of gas pipelines, and the middle part of the cutting torch comprises a combustion-supporting oxygen valve arranged on the side edge of the bottom and a cutting oxygen valve arranged on the top;
the rear part of the cutting torch is connected with the middle part of the cutting torch through a vent pipe;
the handle is sleeved on the vent pipeline, one end of the handle is connected with the middle part of the cutting torch, and the other end of the handle is connected with the rear part of the cutting torch.
As a further improvement of the invention, the plurality of gas pipelines comprise a cutting oxygen pipe, a combustion-supporting oxygen pipe and an acetylene pipe which are sequentially arranged from top to bottom, wherein the combustion-supporting oxygen pipe is connected with the mixing pipe.
As a further improvement of the invention, the rear part of the cutting torch comprises an oxygen inlet and an acetylene inlet, and the oxygen inlet and the acetylene inlet are respectively connected with the vent pipe.
As a further improvement of the invention, the back part of the cutting torch is also provided with an acetylene valve which is arranged on the side surface of the acetylene inlet and controls the acetylene flow at the acetylene inlet.
As a further improvement of the invention, the cutting oxygen valve is connected with a valve rod, and the head of the valve rod is provided with a ball.
As a further improvement of the invention, the mixing pipe can be connected with the combustion-supporting oxygen port in a screwing or hard matching mode.
Compared with the prior art, the invention has the following beneficial effects:
1. the front part of the cutting torch is provided with the mixing pipe, the circumferential surface of the mixing pipe is provided with a circle of mixing through holes at equal intervals, the mixing pipe is communicated with the acetylene pipe, and when the cutting torch works actually, acetylene enters the acetylene pipe and enters the mixing pipe through the mixing through holes to be mixed with combustion-supporting oxygen in the mixing pipe, so that the gas mixing is only carried out at the front part of the cutting torch in the whole working process, and even if an operator uses the cutting torch improperly to cause tempering, the mixing pipe can decompose sparks to play a role in resisting the tempering.
2. The invention leads the entering acetylene and the combustion-supporting oxygen to be further fully mixed in the space by reserving the space between the head part of the insertion end of the mixing tube and the combustion-supporting oxygen port, and the mixed gas can be fully combusted during the work.
3. The ball is arranged at the head of the insertion end of the cutting oxygen valve, and the ball is arranged, so that an air flow channel can be quickly and completely opened when the cutting oxygen valve is rotated, and the air flow speed and the air flow of cutting oxygen in the cutting oxygen pipe can quickly reach the highest speed at the moment, and the cutting efficiency of the cutting torch in actual work is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of another perspective view of the preferred embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a mixing tube according to a preferred embodiment of the present invention;
FIG. 4 is a schematic view of a valve stem according to a preferred embodiment of the present invention.
In the figure, 100, the torch front; 101. a combustion-supporting oxygen port; 102. cutting an oxygen port; 103. an acetylene port; 110. a mixing tube; 111 a hybrid via; 120. a nozzle; 121. a jacket; 130. the middle part of the cutting torch; 131. a combustion-supporting oxygen valve; 132. cutting an oxygen valve; 133. a valve stem; 134. a ball bearing; 140. a gas conduit; 141. cutting an oxygen tube; 142. a combustion-supporting oxygen pipe; 143. an acetylene tube; 150. the back part of the cutting torch; 151. an oxygen inlet; 152. an acetylene inlet; 153. an acetylene valve; 160. an air duct; 170. a handle.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-4, a temper resistant torch includes,
the cutting torch comprises a cutting torch front part 100, wherein the cutting torch front part 100 comprises a combustion-supporting oxygen port 101 arranged on the side edge, and the combustion-supporting oxygen port is used for introducing combustion-supporting oxygen;
the mixing tube 110 is inserted in the combustion-supporting oxygen port 101, a small hole is formed in the mixing tube 110, combustion-supporting oxygen can penetrate through the small hole in the mixing tube 110, a circle of mixing through holes 111 are formed in the circumferential surface of the mixing tube 110 at equal intervals, acetylene can enter the mixing tube 110 from the mixing through holes 111 and is mixed with the combustion-supporting oxygen penetrating through the small hole, a space for mixing gas is reserved between the head of the insertion end of the mixing tube 110 and the combustion-supporting oxygen port 101, and the acetylene and the combustion-supporting oxygen can be further sufficiently mixed through the arrangement of the reserved space, so that the intensity of jet flame is improved.
In actual work, because the mixing tube 110 is additionally arranged at the front part 100 of the cutting torch, acetylene and combustion-supporting oxygen are only mixed at the front part 100 of the cutting torch, even if an operator uses the cutting torch improperly to cause backfire, the mixing tube 110 can decompose sparks, so that the sparks cannot enter an oxygen cylinder or an acetylene cylinder through a pipeline, and the backfire resisting effect is achieved.
Preferably, the torch front part 100 further comprises a cutting oxygen port 102 opened above the combustion-supporting oxygen port 101, and an acetylene port 103 opened below the combustion-supporting oxygen port 101, the acetylene port 103 is communicated with the mixing through hole 111, and acetylene can enter the mixing pipe 110 from the acetylene port 103 through the mixing through hole 111 to be mixed with the combustion-supporting oxygen.
Preferably, the cutting torch front part 100 further comprises a nozzle 120 which is installed at the bottom and vertically arranged, an outer sleeve 121 is installed on the nozzle 120, the outer sleeve 121 and the nozzle 120 are fixed through a fastener, compared with a traditional thread fixing mode, the nozzle can be used for spraying mixed gas more uniformly by directly fixing through the fastener, and meanwhile, the combustion-supporting oxygen port 101 and the cutting oxygen port 102 are respectively communicated with the nozzle 120.
Preferably, a torch middle part 130 is further included, the torch middle part 130 is connected to the torch front part 100 through a plurality of gas pipes 140, and the torch middle part 130 includes a combustion supporting oxygen valve 131 opened at the bottom side and a cutting oxygen valve 132 opened at the top.
Further preferably, a valve rod 133 is connected to the cutting oxygen valve 132, and a ball 134 is disposed at a head of the valve rod 133, through the arrangement of the ball 134, when the cutting oxygen valve 132 is rotated, the gas flow channel can be rapidly and completely opened, and at this time, the gas flow rate and the gas flow rate of the cutting oxygen in the cutting oxygen pipe 141 reach the highest rapidly, thereby further improving the cutting efficiency of the cutting torch in the actual operation.
Further preferably, the plurality of gas pipes 140 include a cutting oxygen pipe 141, a combustion-supporting oxygen pipe 142, and an acetylene pipe 143, which are sequentially arranged from top to bottom, wherein the combustion-supporting oxygen pipe 142 is connected to the mixing pipe 110, the cutting oxygen pipe 141 is connected to the cutting oxygen port 102, and the acetylene pipe 143 is connected to the acetylene port 103.
Preferably, the torch rear part 150 is further included, the torch rear part 150 is connected to the torch middle part 130 through a vent pipe 160, the torch rear part 150 includes an oxygen inlet 151 and an acetylene inlet 152, and the oxygen inlet 151 and the acetylene inlet 152 are respectively connected to the vent pipe 160.
Specifically, the gas of the present invention is oriented as follows: acetylene and oxygen enter from the cutting torch rear part 150 respectively and reach the cutting torch middle part 130 through the ventilation pipeline 160, at the moment, the acetylene enters from the acetylene pipe 143 alone, and the oxygen is divided into two parts and enters from the cutting oxygen pipe 141 and the combustion-supporting oxygen pipe 142 respectively, wherein the cutting oxygen can directly enter the nozzle 120, the combustion-supporting oxygen enters into the head space of the insertion end of the mixing pipe 110 through the small hole in the mixing pipe 110, and the acetylene reaches the space of the mixing through hole 111 through the connecting channel of the acetylene pipe 143 and the combustion-supporting oxygen pipe 142 after entering the acetylene port 103, and then enters into the head space of the insertion end of the mixing pipe 110 through the mixing through hole 111 and is mixed with the combustion-supporting oxygen in the mixing pipe 110. Meanwhile, because a space for gas mixing is reserved between the head of the insertion end of the mixing tube 110 and the combustion-supporting oxygen port 101, acetylene and combustion-supporting oxygen can be further sufficiently mixed in the reserved space before entering the nozzle 120, thereby improving the intensity of the jet flame.
Preferably, the torch rear portion 150 is further provided with an acetylene valve 153, and the acetylene valve 153 is disposed at the side of the acetylene inlet 152 and controls the acetylene flow at the acetylene inlet 152.
Preferably, the handle 170 is sleeved on the vent pipe 160, and one end of the handle 170 is connected to the middle part 130 of the cutting torch and the other end is connected to the rear part 150 of the cutting torch.
Preferably, the mixing tube 110 may be connected to the combustion-supporting oxygen port 101 by means of a screw or a hard fit.
The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and the technical scheme also comprises the technical scheme formed by any combination of the technical characteristics. The foregoing is a detailed description of the invention, and it should be noted that modifications and adaptations can be made by those skilled in the art without departing from the principle of the invention, and are intended to be within the scope of the invention.
Claims (9)
1. A temper resistant cutting torch, comprising,
the cutting torch front part comprises a combustion-supporting oxygen port arranged on the side edge;
the mixing pipe is inserted into the combustion-supporting oxygen port, small holes for combustion-supporting oxygen to pass through are formed in the mixing pipe, a circle of mixing through holes are formed in the circumferential surface at equal intervals, and a space for mixing gas is reserved between the head of the insertion end of the mixing pipe and the combustion-supporting oxygen port.
2. The temper resistant cutting torch of claim 1 wherein the torch front further comprises a cutting oxygen port opening above the combustion oxygen port and an acetylene port opening below the combustion oxygen port, the acetylene port communicating with the mixing through hole.
3. The temper resistant cutting torch of claim 1, wherein the cutting torch front part further comprises a nozzle which is installed at the bottom and is vertically arranged, an outer sleeve is installed on the nozzle, the outer sleeve and the nozzle are fixed through a fastener, and the combustion assisting oxygen port and the cutting oxygen port are respectively communicated with the nozzle.
4. The temper resistant torch of claim 1, further comprising,
the middle part of the cutting torch is connected with the front part of the cutting torch through a plurality of gas pipelines, and the middle part of the cutting torch comprises a combustion-supporting oxygen valve arranged on the side edge of the bottom and a cutting oxygen valve arranged on the top;
the rear part of the cutting torch is connected with the middle part of the cutting torch through a vent pipe;
the handle is sleeved on the vent pipeline, one end of the handle is connected with the middle part of the cutting torch, and the other end of the handle is connected with the rear part of the cutting torch.
5. The temper resistant cutting torch according to claim 4, wherein the plurality of gas pipes comprise a cutting oxygen pipe, a combustion supporting oxygen pipe and an acetylene pipe which are arranged in sequence from top to bottom, wherein the combustion supporting oxygen pipe is connected with the mixing pipe.
6. The temper resistant cutting torch of claim 4 wherein the torch back includes an oxygen inlet and an acetylene inlet, the oxygen inlet and the acetylene inlet being connected to the vent conduit, respectively.
7. The temper resistant cutting torch of claim 6 wherein an acetylene valve is further provided on the rear of the cutting torch, the acetylene valve being disposed laterally of the acetylene inlet and controlling the flow of acetylene at the acetylene inlet.
8. The temper resistant cutting torch of claim 4 wherein a valve stem is attached to the cutting oxygen valve, and a ball is disposed on the head of the valve stem.
9. The temper resistant cutting torch of claim 1 wherein the mixing tube is connected to the combustion aid port by a threaded or hard fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181907.8A CN111520718A (en) | 2020-03-16 | 2020-03-16 | Tempering-resistant cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181907.8A CN111520718A (en) | 2020-03-16 | 2020-03-16 | Tempering-resistant cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111520718A true CN111520718A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010181907.8A Pending CN111520718A (en) | 2020-03-16 | 2020-03-16 | Tempering-resistant cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111520718A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2316079Y (en) * | 1997-12-19 | 1999-04-28 | 高士乐 | Handle Self-heating welding and cutting torch |
| CN2415260Y (en) * | 2000-03-03 | 2001-01-17 | 刘佳 | Multifunctional cutting torch head |
| CN202419659U (en) * | 2011-12-21 | 2012-09-05 | 朱成伟 | Cutting torch head main body |
| CN103591583A (en) * | 2013-11-18 | 2014-02-19 | 宁波隆兴焊割科技股份有限公司 | Injection type tempering-resistant anti-detonation cutting torch |
| CN109855097A (en) * | 2019-04-10 | 2019-06-07 | 无锡翔征焊割机械有限公司 | A kind of jet absorption type machine cutting torch |
| CN209943533U (en) * | 2019-04-10 | 2020-01-14 | 无锡翔征焊割机械有限公司 | Cutting torch air valve sealing structure for machine |
-
2020
- 2020-03-16 CN CN202010181907.8A patent/CN111520718A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2316079Y (en) * | 1997-12-19 | 1999-04-28 | 高士乐 | Handle Self-heating welding and cutting torch |
| CN2415260Y (en) * | 2000-03-03 | 2001-01-17 | 刘佳 | Multifunctional cutting torch head |
| CN202419659U (en) * | 2011-12-21 | 2012-09-05 | 朱成伟 | Cutting torch head main body |
| CN103591583A (en) * | 2013-11-18 | 2014-02-19 | 宁波隆兴焊割科技股份有限公司 | Injection type tempering-resistant anti-detonation cutting torch |
| CN109855097A (en) * | 2019-04-10 | 2019-06-07 | 无锡翔征焊割机械有限公司 | A kind of jet absorption type machine cutting torch |
| CN209943533U (en) * | 2019-04-10 | 2020-01-14 | 无锡翔征焊割机械有限公司 | Cutting torch air valve sealing structure for machine |
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| PB01 | Publication | ||
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Application publication date: 20200811 |