CN109855097A - A kind of jet absorption type machine cutting torch - Google Patents
A kind of jet absorption type machine cutting torch Download PDFInfo
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- CN109855097A CN109855097A CN201910286401.0A CN201910286401A CN109855097A CN 109855097 A CN109855097 A CN 109855097A CN 201910286401 A CN201910286401 A CN 201910286401A CN 109855097 A CN109855097 A CN 109855097A
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- cutting torch
- valve
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- oxygen
- cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The invention discloses a kind of jet absorption type machine cutting torches, it includes cutting torch main body, fuel gas pipeline is provided in cutting torch main body, preheat oxygen pipeline, cutting oxygen pipe road and mixing chamber, preheating oxygen pipeline mixes in mixing chamber with fuel gas pipeline, preheating oxygen pipeline leads to an auxiliary branch, valve channel is offered from appearance is inward-facing in cutting torch main body, the head end of valve channel is set as closing in taper and cone is connected to cutting oxygen pipe road, the side wall of auxiliary branch and valve channel is connected, cutting torch protection valve is provided in valve channel, the taper head end that valve channel is blocked on the head of cutting torch protection valve forms sealing, its tail portion and the passway of valve channel, which are formed, to be sealed, a small gangs of preheating oxygen of preheating oxygen pipeline enters in cutting oxygen pipe road from auxiliary branch.Oxygen is preheated in above-mentioned cutting torch and combustion gas mixing is abundant, and combustion rate is high, and a small gangs of preheating oxygen is introduced into cutting oxygen pipe road, avoids sundries and blocks cutting oxygen channel, overcoming injector cutting torch has the defect of tempering.
Description
Technical field
The present invention relates to Metal Cutting welding technology field more particularly to a kind of jet absorption type machine cutting torches.
Background technique
Cutting torch is the main tool of gas cutting, and effect is to make fuel gas and oxygen after internal mix, forms tool
There is the pre- thermal-flame of certain thermal energy and shape, and goes out the oxygen stream of high pressure in the central-injection of pre- thermal-flame to carry out burner
Make.
For machine cutting torch, for convenience of Mechanical course, isobaric cutting torch is generally used, so-called isobaric cutting torch refers to
Combustion gas borrows the pressure of itself and is not transported to a kind of cutting torch in cutting torch through respective appendix with preheating oxygen, this structure is wanted
Ask gaseous-pressure suitable with preheating oxygen, however in actual use, gaseous-pressure can be less than the pressure of preheating oxygen and exist
Pressure difference causes the flow of in contrast combustion gas smaller, the combustion gas feelings low with oxygen undercompounding, combustion gas utilization rate is preheated occurs
Condition influences to cut.
It is different from the combustion oxygen hybrid mode of isobaric cutting torch, there are also a kind of jet absorption type structure, the principle of injector cutting torch is
By preheating oxygen high speed ejection generate negative pressure, combustion gas sucking injecting tube carry out combustion gas and oxygen mixing, mixed airflow pass through compared with
Long channel makes to preheat oxygen and the flow velocity and pressure of combustion gas reaches unanimity, is sufficiently mixed, improves the combustion rate of combustion gas.However it penetrates
The shortcomings that suction cutting torch is that structure is more complex, is easy to appear tempering phenomenon, and opposite isobaric cutting torch safety is low, and cutting torch uses the longevity
It orders short.Therefore jet absorption type structure is generally rare in foreign countries, is also chiefly used on manual formula cutting torch at home.
Summary of the invention
The purpose of the present invention is to provide a kind of jet absorption type machine cutting torches, cut in view of the above-mentioned problems, solving existing equal pressure
The problem of torch combustion oxygen undercompounding and traditional injector cutting torch are easily tempered.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of jet absorption type machine cutting torch comprising cutting torch main body, there are three pipe joints for one end setting of cutting torch main body, separately
One end leads to mixed-gas channel and cutting oxygen channel, and fuel gas pipeline, preheating oxygen pipeline, cutting oxygen are provided in cutting torch main body
Pipeline and mixing chamber, the connection corresponding with three pipe joints respectively of three pipelines, the bottom of mixing chamber is closed up and and mixed gas
Channel connection, cutting oxygen pipe road are connected to cutting oxygen channel, and injecting tube and diversion column, the outer wall of diversion column are provided in mixing chamber
It reclines sealing with the side wall of mixing chamber, first fluid channel is offered in diversion column, the open at one end of first fluid channel is located at
The head end of diversion column, another end opening are located on the side of diversion column, and the side in preheating oxygen pipeline and first fluid channel is open
Connection, injecting tube is provided with the first center flow channels, and there are first fluid gap, injecting tubes between its outer wall and the side wall of mixing chamber
The first center flow channels opening of one end seal and be connected to the head end in first fluid channel opening, the other end of injecting tube is set as
Conical head, fuel gas pipeline are connected to first fluid gap, and preheating oxygen pipeline leads to an auxiliary branch, from appearance in cutting torch main body
Inward-facing to offer valve channel, the head end of valve channel is set as closing in taper and cone is connected to cutting oxygen pipe road, auxiliary
The side wall of branch and valve channel is connected, and cutting torch protection valve is provided in valve channel, and valve body is blocked on the head of cutting torch protection valve
The passway formation sealing of the taper head end formation sealing in channel, tail portion and valve channel, intermediate portion and valve channel
Form second fluid gap between side wall, offer second fluid channel in cutting torch protection valve, second fluid channel it is open at one end
Positioned at the apical head of cutting torch protection valve, another end opening is located at the intermediate portion surfaces of cutting torch protection valve.
It wherein, further include gun barrel and cutting torch component, gun barrel covers at mixed-gas channel, cuts outside oxygen channel, and one
End connection cutting torch main body, the other end connect cutting torch component, and mixed-gas channel extends at cutting torch component to spray burning institute
The mixed gas of the combustion gas and oxygen that need, cutting oxygen channel extends at cutting torch component thus hyperbaric oxygen needed for spraying gas cutting
Gas.
Wherein, cutting torch component includes cutting torch head, cutting torch set and cutting torch seat, and cutting torch head, cutting torch set are threadedly connected to cutting torch
On seat, cutting torch set is set in gap outside cutting torch head, is formed third fluid gap between the two, is offered in second on cutting torch head
Heart runner, mixed-gas channel are connected to cutting torch seat and are connected to third fluid gap, and cutting oxygen channel is connected to cutting torch seat simultaneously
It is connected to the second center flow channels.
Wherein, rack gear is provided on gun barrel outer wall.
Wherein, air valve is provided on three pipe joints, air valve includes valve body and valve rod, and blocking is provided in valve body
Chamber, blocking chamber to draw outward, there are two flow-guiding channels, and two flow-guiding channels are in two runner holes of formation, valve rod on the wall for blocking chamber
It protrudes into and blocks in chamber, block and be provided with stroke screw thread on the wall of chamber, correspondence course screw thread is provided with external screw thread on valve rod, valve rod
Head end offers spherical groove, and the sealing steel ball that can be freely rotated is embedded in spherical groove, and the diameter for sealing steel ball is greater than runner hole
Bore, thus be pressed in runner hole formed sealing.
Wherein, block chamber opening in forming connectivity port on valve body, be equipped with sealing nut on valve rod, sealing nut with
Connectivity port is threadedly coupled, and is also arranged with the first washer and second packing ring, sandwiched between the first washer and second packing ring on valve rod
Have teflon seal ring, offer limiting groove on connectivity port, the first washer, second packing ring outside respectively by limiting
Groove and the corresponding limit of sealing nut, and the side wall of the outer ring of teflon seal ring and limiting groove is closely against inner ring
With the surface of valve rod closely against.
Wherein, the runner hole of inlet side is located at the bottom for blocking chamber, and is located on same axis with valve rod, sealing steel ball,
The runner hole of outlet side is located on the side wall for blocking chamber, and the tail end of valve rod is provided with adjusting handle.
Wherein, the head end of valve channel is set as cone, and the head of cutting torch protection valve is set as hemispherical.
Wherein, the hatch bore diameter of the apical head of cutting torch protection valve is 0.1mm.
Wherein, cutting torch protection valve is connect with cutting torch main body screw.
To sum up, beneficial effects of the present invention are that compared with prior art, the jet absorption type machine cutting torch is former using suction is penetrated
Preheating oxygen high speed is projected and forms negative pressure to mixing chamber by reason, so that combustion gas is inhaled into, through longer mixed-gas channel, preheating
The flow velocity and pressure of oxygen and combustion gas reach unanimity, so that the two is sufficiently mixed, improve the combustion rate of combustion gas, in addition, in preheating rank
A small gangs of preheating oxygen is introduced into cutting oxygen pipe road by section, which preheats oxygen while combustion-supporting pre- thermal-flame, and it is stifled to avoid sundries
Firmly cutting torch cuts oxygen channel, and cutting oxygen channel has the preheating oxygen of low temperature to cool, and effective protection cutting torch improves use
In the service life, overcoming injector cutting torch has the defect of tempering.
Detailed description of the invention
Fig. 1 is the overall structure diagram of jet absorption type machine cutting torch provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional view of jet absorption type machine cutting torch provided in an embodiment of the present invention；
Fig. 3 is the diagrammatic cross-section one of the cutting torch main body of jet absorption type machine cutting torch provided in an embodiment of the present invention；
Fig. 4 is the diagrammatic cross-section two of the cutting torch main body of jet absorption type machine cutting torch provided in an embodiment of the present invention；
Fig. 5 is the Structure explosion diagram of the air valve of jet absorption type machine cutting torch provided in an embodiment of the present invention；
Fig. 6 is the diagrammatic cross-section of the air valve of jet absorption type machine cutting torch provided in an embodiment of the present invention.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Please refer to shown in Fig. 1 to 6, the present embodiment provides a kind of jet absorption type machine cutting torch, the cutting torch include cutting torch main body 1,
Gun barrel 19 and cutting torch component.
There are three pipe joint 2, the other end leads to mixed-gas channel 3 and cutting oxygen for one end setting of cutting torch main body 1
Channel 4 is provided with fuel gas pipeline 5, preheating oxygen pipeline 6, cutting oxygen pipe road 7 and mixing chamber 8, three pipelines point in cutting torch main body 1
Connection not corresponding with three pipe joints 2, the bottom of mixing chamber 8 are closed up and are connected to mixed-gas channel 3, cutting oxygen pipe road 7
It is connected to cutting oxygen channel 4.
Injecting tube 9 and diversion column 10 are provided in mixing chamber 8, the outer wall of diversion column 10 and the side wall of mixing chamber 8 recline close
Envelope, offers first fluid channel 11 in diversion column 10, the head end open at one end positioned at diversion column 10 in first fluid channel 11,
Another end opening is located on the side of diversion column 10, preheats the side open communication of oxygen pipeline 6 and first fluid channel 11, penetrates suction
Pipe 9 is provided with the first center flow channels 12, and there are first fluid gap 13 between its outer wall and the side wall of mixing chamber 8, injecting tube 9
First center flow channels 12 opening of one end is connected to the opening sealing of the head end in first fluid channel 11, and the other end of injecting tube 9 is set
It is set to conical head, fuel gas pipeline 5 is connected to first fluid gap 13.
High pressure preheats oxygen and projects through 9 nozzle at high speeds of injecting tube, forms low-pressure area in mixing chamber 8, combustion gas is under gas pressure
It is constantly sucked, accelerates flow velocity, solved the problems, such as that there are pressure differences for the two, be more fully mixed.
Preheating oxygen pipeline 6 leads to an auxiliary branch 14, offers valve channel from appearance is inward-facing in cutting torch main body 1
15, the head end of valve channel 15 is set as closing in taper, preferably conical, and cone is connected to cutting oxygen pipe road 7, auxiliary branch
The side wall of road 14 and valve channel 15 is connected, and cutting torch protection valve 16 is provided in valve channel 15, and cutting torch protects valve 16 from cutting torch
It is packed into outside main body 1, is threadedly coupled with cutting torch main body 1, the taper head end shape of valve channel 15 is blocked on the head of cutting torch protection valve 16
At sealing, the passway of tail portion and valve channel 15, which is formed, to be sealed, and the is formed between intermediate portion and the side wall of valve channel 15
Two fluid gaps 17, cutting torch are protected in valve 16 and offer second fluid channel 18, and the open at one end of second fluid channel 18 is located at
Cutting torch protects the apical head of valve 16, and another end opening is located at the intermediate portion surfaces of cutting torch protection valve 16.It preheats in oxygen pipeline 6
One preheating oxygen passes sequentially through auxiliary branch 14, second fluid gap 17, the remittance cutting oxygen pipe road 7 of second fluid channel 18, most
It is flowed out eventually from cutting oxygen channel 4.
The hatch bore diameter of the apical head of cutting torch protection valve 16 is preferably 10, i.e. 0.1mm, keeps a stable stream
Amount had not only guaranteed the supply for preheating oxygen originally, but also has not influenced to cut the injection of oxygen.
Gun barrel 19 covers at mixed-gas channel 3, cuts outside oxygen channel 4, and one end connects cutting torch main body 1, the other end
Cutting torch component is connected, is provided with rack gear 20 on 19 outer wall of gun barrel.Mixed-gas channel 3 extends at cutting torch component to spray combustion
The mixed gas of combustion gas and oxygen needed for burning, cutting oxygen channel 4 extends at cutting torch component thus height needed for spraying gas cutting
Press oxygen.
Cutting torch component includes cutting torch head 21, cutting torch set 22 and cutting torch seat 23, and cutting torch head 21, cutting torch set 22 are threadedly connected to
On cutting torch seat 23, cutting torch set 22 is set in gap outside cutting torch head 21, forms third fluid gap 24, cutting torch head 21 between the two
On offer the second center flow channels 25, mixed-gas channel 3 is connected to cutting torch seat 23 and is connected to third fluid gap 24, cutting
Oxygen channel 4 is connected to cutting torch seat 23 and is connected to the second center flow channels 25.
In addition, being all provided on three pipe joints 2 to realize combustion gas, preheating oxygen and cutting accurately controlling for three kinds of gases of oxygen
It is equipped with air valve 26, air valve 26 includes valve body 27 and valve rod 28, is provided in valve body 27 and blocks chamber 29, chamber 29 is blocked to lead to outward
Two flow-guiding channels 30, two flow-guiding channels 30 protrude into blocking chamber in two runner holes of formation, valve rod 28 on the wall for blocking chamber 29
In 29, blocks and be provided with stroke screw thread on the wall of chamber 29, correspondence course screw thread is provided with external screw thread, the head of valve rod 28 on valve rod 28
End offers spherical groove, and the sealing steel ball 31 that can be freely rotated is embedded in spherical groove, and the diameter of sealing steel ball 31 is greater than runner
The bore in hole forms sealing to be pressed in runner hole.The runner hole of inlet side is located at the bottom for blocking chamber 29, and and valve rod
28, sealing steel ball 31 is located on same axis, and the runner hole of outlet side is located on the side wall for blocking chamber 29, and the tail end of valve rod 28 is set
It is equipped with adjusting handle 32.
The opening of chamber 29 is blocked in forming connectivity port on valve body 27, sealing nut 33 is equipped on valve rod 28, seals spiral shell
Mother 33 is threadedly coupled with connectivity port, is also arranged with the first washer 34 and second packing ring 35 on valve rod 28, the first washer 34 and the
It is folded with teflon seal ring 36 between two washers 35, limiting groove, the first washer 34, second are offered on connectivity port
The outside of washer 35 is limited by limiting groove and sealing nut 33 are corresponding respectively, and the outer ring of teflon seal ring 36 and limit
The side wall of position groove closely against the surface of, inner ring and valve rod 28 closely against.Wherein, teflon seal ring 36 is using shifting
360 ° of dynamic formula face property sealings, air-tightness are strong.
To sum up, above-mentioned jet absorption type machine cutting torch is formed preheating oxygen high speed injection to mixing chamber negative using suction principle is penetrated
Pressure, so that combustion gas is inhaled into, through longer mixed-gas channel, the flow velocity and pressure for preheating oxygen and combustion gas reach unanimity, so that
The two is sufficiently mixed, and improves the combustion rate of combustion gas, in addition, a small gangs of preheating oxygen is introduced into cutting oxygen pipe road in warm-up phase,
The stock preheat oxygen while combustion-supporting pre- thermal-flame, avoid sundries block cutting torch cutting oxygen channel, and cut oxygen channel have it is low
The preheating oxygen of temperature cools, and effective protection cutting torch improves service life, overcoming injector cutting torch has tempering
Defect.
The above embodiments only describe the basic principles and characteristics of the invention, and the invention is not restricted by the above cases,
Without departing from the spirit and scope, the invention also has various changes and changes, and these changes and changes are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (10)
1. a kind of jet absorption type machine cutting torch, which is characterized in that including cutting torch main body, there are three one end settings of the cutting torch main body
Pipe joint, the other end lead to mixed-gas channel and cutting oxygen channel, and fuel gas pipeline, pre- is provided in the cutting torch main body
Hot oxygen pipeline, cutting oxygen pipe road and mixing chamber, the connection corresponding with three pipe joints respectively of three pipelines, the bottom of the mixing chamber
Portion closes up and is connected to the mixed-gas channel, and the cutting oxygen pipe road is connected to the cutting oxygen channel,
It is provided with injecting tube and diversion column in the mixing chamber, the side wall of the outer wall of the diversion column and the mixing chamber reclines close
Envelope, offers first fluid channel in the diversion column, the first fluid channel it is open at one end positioned at the diversion column
Head end, another end opening are located on the side of the diversion column, the side of preheating the oxygen pipeline and the first fluid channel
Open communication, the injecting tube is provided with the first center flow channels, and there are first-class between its outer wall and the side wall of the mixing chamber
Body space, the first center flow channels opening of one end of the injecting tube connect with the head end opening sealing in the first fluid channel
Logical, the other end of the injecting tube is set as conical head, and the fuel gas pipeline is connected to the first fluid gap,
The preheating oxygen pipeline leads to an auxiliary branch, offers valve channel from appearance is inward-facing in the cutting torch main body,
The head end of the valve channel is set as closing in taper and cone is connected to the cutting oxygen pipe road, the auxiliary branch with it is described
The side wall of valve channel is connected, and cutting torch protection valve is provided in the valve channel, and institute is blocked on the head of the cutting torch protection valve
The taper head end for stating valve channel forms sealing, and the passway of tail portion and the valve channel, which is formed, to be sealed, intermediate portion with
Second fluid gap is formed between the side wall of the valve channel, offers second fluid channel in the cutting torch protection valve, it is described
The apical head open at one end positioned at cutting torch protection valve in second fluid channel, another end opening are located at cutting torch protection
The intermediate portion surfaces of valve.
2. jet absorption type machine cutting torch according to claim 1, it is characterised in that: it further include gun barrel and cutting torch component, it is described
Gun barrel covers at the mixed-gas channel, cuts outside oxygen channel, and one end connects the cutting torch main body, and the other end connects institute
Cutting torch component is stated, the mixed-gas channel extends at the cutting torch component to spray the combustion gas and oxygen of burning required
Mixed gas, the cutting oxygen channel extends at the cutting torch component thus high pressure oxygen needed for spraying gas cutting.
3. jet absorption type machine cutting torch according to claim 2, it is characterised in that: the cutting torch component includes cutting torch head, cuts
Muzzle and cutting torch seat, the cutting torch head, cutting torch set are threadedly connected on the cutting torch seat, and the cutting torch set is set in gap
Outside the cutting torch head, third fluid gap is formed between the two, offers the second center flow channels, the mixing on the cutting torch head
Gas passage is connected to the cutting torch seat and is connected to the third fluid gap, and the cutting oxygen channel is connected to the cutting torch
Seat is simultaneously connected to second center flow channels.
4. jet absorption type machine cutting torch according to claim 2, it is characterised in that: be provided with rack gear on the gun barrel outer wall.
5. jet absorption type machine cutting torch according to claim 1, it is characterised in that: be provided on three pipe joints
Air valve, the air valve include valve body and valve rod, are provided with blocking chamber in the valve body, and the blocking chamber draws that there are two lead outward
Circulation road, in forming two runner holes on the wall for blocking chamber, the valve rod protrudes into the blocking chamber two flow-guiding channels,
It is provided with stroke screw thread on the wall for blocking chamber, the stroke screw thread is corresponded on the valve rod and is provided with external screw thread, the valve
The head end of bar offers spherical groove, and the sealing steel ball that can be freely rotated is embedded in the spherical groove, described to seal the straight of steel ball
Diameter is greater than the bore of the runner hole, forms sealing to be pressed in runner hole.
6. jet absorption type machine cutting torch according to claim 5, it is characterised in that: blocking chamber opening and in the valve body
Upper formation connectivity port is equipped with sealing nut on the valve rod, and the sealing nut is threadedly coupled with the connectivity port, institute
It states and is also arranged with the first washer and second packing ring on valve rod, be folded with polytetrafluoro between first washer and the second packing ring
Ethylene sealing ring, offers limiting groove on the connectivity port, first washer, second packing ring outside respectively by described
Limiting groove and the corresponding limit of the sealing nut, and the side of the outer ring of the teflon seal ring and the limiting groove
Wall closely against the surface of, inner ring and the valve rod closely against.
7. jet absorption type machine cutting torch according to claim 5, it is characterised in that: the runner hole of inlet side is located at the blocking
The bottom of chamber, and be located on same axis with the valve rod, sealing steel ball, the runner hole of outlet side is located at the side for blocking chamber
On wall, the tail end of the valve rod is provided with adjusting handle.
8. jet absorption type machine cutting torch according to claim 1, it is characterised in that: the head end of the valve channel is set as round
The head of taper, the cutting torch protection valve is set as hemispherical.
9. jet absorption type machine cutting torch according to claim 1, it is characterised in that: the apical head of the cutting torch protection valve
Hatch bore diameter is 0.1mm.
10. jet absorption type machine cutting torch according to claim 1, it is characterised in that: the cutting torch protection valve and the cutting torch
Main body screw connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286401.0A CN109855097A (en) | 2019-04-10 | 2019-04-10 | A kind of jet absorption type machine cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286401.0A CN109855097A (en) | 2019-04-10 | 2019-04-10 | A kind of jet absorption type machine cutting torch |
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| Publication Number | Publication Date |
|---|---|
| CN109855097A true CN109855097A (en) | 2019-06-07 |
Family
ID=66903639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286401.0A Pending CN109855097A (en) | 2019-04-10 | 2019-04-10 | A kind of jet absorption type machine cutting torch |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520718A (en) * | 2020-03-16 | 2020-08-11 | 宁波汉仑工具有限公司 | Tempering-resistant cutting torch |
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|---|---|---|---|---|
| CN2206899Y (en) * | 1994-12-17 | 1995-09-06 | 梁光启 | Semi-automatic and numerical controlled cutting machine with petrol-oxygen |
| CN2227266Y (en) * | 1995-06-27 | 1996-05-15 | 天津市气焊工具厂 | No-technology hole jet sucking type welding blow lamp |
| CN201103906Y (en) * | 2007-10-16 | 2008-08-20 | 石锋云 | Injected suction type semi-automatic imitation type gasoline cutter |
| CN201875721U (en) * | 2010-11-05 | 2011-06-22 | 王爱英 | Cutting head and cutting device with same |
| CN106413964A (en) * | 2014-07-14 | 2017-02-15 | Gce控股公司 | Machine cutting torch system |
| CN209944328U (en) * | 2019-04-10 | 2020-01-14 | 无锡翔征焊割机械有限公司 | Cutting torch for injection-suction machine |
-
2019
- 2019-04-10 CN CN201910286401.0A patent/CN109855097A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206899Y (en) * | 1994-12-17 | 1995-09-06 | 梁光启 | Semi-automatic and numerical controlled cutting machine with petrol-oxygen |
| CN2227266Y (en) * | 1995-06-27 | 1996-05-15 | 天津市气焊工具厂 | No-technology hole jet sucking type welding blow lamp |
| CN201103906Y (en) * | 2007-10-16 | 2008-08-20 | 石锋云 | Injected suction type semi-automatic imitation type gasoline cutter |
| CN201875721U (en) * | 2010-11-05 | 2011-06-22 | 王爱英 | Cutting head and cutting device with same |
| CN106413964A (en) * | 2014-07-14 | 2017-02-15 | Gce控股公司 | Machine cutting torch system |
| CN209944328U (en) * | 2019-04-10 | 2020-01-14 | 无锡翔征焊割机械有限公司 | Cutting torch for injection-suction machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520718A (en) * | 2020-03-16 | 2020-08-11 | 宁波汉仑工具有限公司 | Tempering-resistant cutting torch |
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