CN102837100A - Flame brazing welding machine and pipe joint protecting tool thereof - Google Patents
Flame brazing welding machine and pipe joint protecting tool thereof Download PDFInfo
- Publication number
- CN102837100A CN102837100A CN2012103283198A CN201210328319A CN102837100A CN 102837100 A CN102837100 A CN 102837100A CN 2012103283198 A CN2012103283198 A CN 2012103283198A CN 201210328319 A CN201210328319 A CN 201210328319A CN 102837100 A CN102837100 A CN 102837100A
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- protecting tool
- joint protecting
- main body
- tool set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a pipe joint protecting tool. A main body of the pipe joint protecting tool is of a cylindrical structure; one end of the main body is a thread protecting end; the other end of the main body is an interface end connected with the welding machine; an abutting plate is arranged at the position, which is close to the interface end, of the inner wall of the main body; and a nitrogen filling port is formed in the abutting plate. Therefore, the pipe joint protecting tool can be arranged on the welding machine through the interface end. When a pipe joint is required to be welded with workpieces, the thread end of the joint is only required to be inserted to the thread protecting end of the pipe joint protecting tool. Compared with a mode of screwing the thread end of the pipe joint into a brass nut in the prior art, the mode applied in the pipe joint protecting tool disclosed by the invention has the characteristics that the disassembly and assembly process is time and labor saving, the work time is saved and the work efficiency is improved; meanwhile, the main body of the pipe joint protecting tool is of the cylindrical structure and has no structure that threads are easily damaged, so that the service period of the pipe joint protecting tool is longer and the maintenance cost is reduced. The invention also discloses a flame brazing welding machine with the pipe joint protecting tool.
Description
Technical field
The present invention relates to the gas brazing technical field, particularly a kind of gas brazing bonding machine and pipe joint protecting tool set-up thereof.
Background technology
Soldering: be meant and use than the low-melting metal material of mother metal as solder, with the wetting mother metal of liquid solder with fill the workpiece interface gaps, and make itself and the mother metal welding method of counterdiffusion mutually.
Gas brazing: the soldering of heating with fuel gas flame.
Pipe joint: connecting line or pipeline is contained in the part on the Hydraulic Elements is a kind of general name of the connector that in fluid passage, can install and remove.
In air conditioner refrigerating and attached industry thereof, generally adopt gas brazing that pipe joint is soldered on the workpiece at present, the nut end that is specially pipe joint is soldered on the workpiece, thereby the end of thread of pipe joint can be connected with another workpiece.The extreme temperatures of flame; For fear of in welding process, thermal-flame causes damage to the end of thread of pipe joint, is provided with the brass nut that matches with the end of thread of pipe joint at the frock clamp end of bonding machine; During welding; The end of thread of pipe joint is screwed in the brass nut, but brass nut double thread end protect, make it not receive the influence of thermal-flame.After welding was accomplished, the workpiece that will have pipe joint unloaded from the brass nut of bonding machine.Yet this bonding machine is through after the multiple welding, and the brass nut interior tissue changes; Also there are certain wearing and tearing in screw thread, finally causes brass nut and pipe joint loading and unloading difficulty, and unloading process takes time and effort; Just need scrap processing during serious wear, life cycle is short, has increased maintenance cost.
After welding was accomplished, temperature was all higher in a slice heat affected area around the weld of workpiece and pipe joint and this weld, even after adopting the pressure-air cooling; Its surface temperature is also just reduced to about 300 ℃, and the workman still exists and scalds hidden danger when the workpiece of taking after welding; After being the pressure-air cooling; Still need under nature, cool off 30-45min, waste man-hour, influence the subsequent production process.
Therefore, how a kind of pipe joint protecting tool set-up is provided, its convenient disassembly and life cycle are longer, can increase work efficiency, and reduce maintenance cost simultaneously, are the technical problems that those skilled in the art need solution badly.
Summary of the invention
In view of this, the technical problem that the present invention will solve is for providing a kind of pipe joint protecting tool set-up, and this pipe joint protecting tool set-up convenient disassembly and life cycle are longer, can increase work efficiency, and reduce maintenance cost simultaneously.
For solving the problems of the technologies described above; The invention provides a kind of pipe joint protecting tool set-up, it is characterized in that, the main body of said pipe joint protecting tool set-up is a tubular structure; One end of said main body is the screw thread protection end; The other end is the interface end that is connected with bonding machine, and the inwall of said main body is provided with the butt plate near the position of said interface end, and said butt plate is provided with along its thickness direction and fills the nitrogen hole with what it ran through.
Preferably, in the aforementioned tube joint protective frock, saidly fill the central authorities that the nitrogen hole is positioned at said butt plate.
Preferably, in the aforementioned tube joint protective frock, also be provided with on the said butt plate with said and fill the nitrogen blanketing valve that the nitrogen hole is connected.
Preferably, in the aforementioned tube joint protective frock, the top of said nitrogen blanketing valve is lower than the top of said screw thread protection end.
Preferably, in the aforementioned tube joint protective frock, the top of said nitrogen blanketing valve is lower than the top 20mm of said screw thread protection end.
Preferably, in the aforementioned tube joint protective frock, the said main body between said butt plate and the said nitrogen blanketing valve top is provided with the draining window.
Preferably, in the aforementioned tube joint protective frock, said draining window is two, and is oppositely arranged on the said main body.
Preferably, in the aforementioned tube joint protective frock, the end face of said butt plate is directed downwards inclination by its center to outer rim.
Preferably, in the aforementioned tube joint protective frock, the main body of said pipe joint protecting tool set-up is processed by resistant to elevated temperatures metal.
With respect to prior art, technique effect of the present invention is:
Pipe joint protecting tool set-up provided by the invention; Its main body is a tubular structure; One end of main body is the screw thread protection end; The other end is the interface end that is connected with bonding machine, and the inwall of this main body is provided with the butt plate near the position of interface end, and this butt plate is provided with along its thickness direction and fills the nitrogen hole with what it ran through.
Can know that when being plugged to interface end of the present invention on the bonding machine, the butt plate is connected on the bonding machine; Can the present invention be mounted on the bonding machine; During welding, oxidized for fear of workpiece and pipe joint, bonding machine can fill nitrogen to weld through the nitrogen hole of filling that is arranged on the butt plate.When needs during with the welding of pipe joint and workpiece; Only need the end of thread of pipe joint be plugged to screw thread protection end of the present invention and get final product, in prior art, need the end of thread of pipe joint be threaded in the brass nut, disassembly process of the present invention is time saving and energy saving; Practice thrift man-hour, improved operating efficiency; Because main body of the present invention is a tubular structure, do not have screw thread and be prone to damage structure, so its life cycle is longer, has reduced maintenance cost simultaneously.
The invention also discloses a kind of gas brazing bonding machine, comprise the bonding machine main body and be arranged on the pipe joint protecting tool set-up on the said bonding machine main body, said pipe joint protecting tool set-up is above-mentioned pipe joint protecting tool set-up.Because aforementioned tube joint protective frock has above-mentioned technique effect, the gas brazing bonding machine with aforementioned tube joint protective frock also should possess the corresponding techniques effect.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is embodiments of the invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the structural representation of pipe joint protecting tool set-up provided by the invention;
Fig. 2 is the cutaway view of pipe joint protecting tool set-up provided by the invention;
Fig. 3 is the side view of pipe joint protecting tool set-up provided by the invention.
Among the last figure, the corresponding relation between Reference numeral and the component names is:
1 screw thread protection end; 2 interface end; 3 butt plates; 4 nitrogen blanketing valves; 5 draining windows.
The specific embodiment
Core of the present invention is for providing a kind of pipe joint protecting tool set-up, and this pipe joint protecting tool set-up convenient disassembly and life cycle are longer, can increase work efficiency, and reduce maintenance cost simultaneously.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Please refer to Fig. 1-Fig. 3, Fig. 1 is the structural representation of pipe joint protecting tool set-up provided by the invention; Fig. 2 is the cutaway view of pipe joint protecting tool set-up provided by the invention; Fig. 3 is the side view of pipe joint protecting tool set-up provided by the invention.
The pipe joint protecting tool set-up that the embodiment of the invention provides; Its main body is a tubular structure; One end of main body is a screw thread protection end 1; The other end is the interface end 2 that is connected with bonding machine, and the inwall of this main body is provided with butt plate 3 near the position of interface end 2, and this butt plate 3 is provided with along its thickness direction and fills the nitrogen hole with what it ran through.
Can know that when being plugged to interface end 2 of the present invention on the bonding machine, butt plate 3 is connected on the bonding machine; Can the present invention be mounted on the bonding machine; During welding, oxidized for fear of workpiece and pipe joint, bonding machine can fill nitrogen to weld through the nitrogen hole of filling that is arranged on the butt plate 3.When needs during with the welding of pipe joint and workpiece; Only need the end of thread of pipe joint be plugged to screw thread protection end 1 of the present invention gets final product; In prior art, need the end of thread of pipe joint be threaded in the brass nut; Disassembly process of the present invention is time saving and energy saving, has practiced thrift man-hour, has improved operating efficiency; Because main body of the present invention is a tubular structure, do not have screw thread and be prone to damage structure, so its life cycle is longer, has reduced maintenance cost simultaneously.
Particularly, above-mentionedly fill the central authorities that the nitrogen hole is positioned at butt plate 3.Nitrogen can evenly diffuse to the weld of workpiece and pipe joint like this, has optimized the effect of anti-oxidation.Further, also be provided with on the butt plate 3 and fill the nitrogen blanketing valve 4 that the nitrogen hole is connected.Directly nitrogen is sent to weld through this nitrogen blanketing valve 4.This nitrogen blanketing valve 4 is positioned at the inside of the tubular structure of main body of the present invention, and the present invention protects the end of thread of pipe joint to screw thread protection end 1, and screw thread protection end 1 butt is to the nut of pipe joint; Can know that this place is the weld of pipe joint and workpiece, therefore, the top of above-mentioned nitrogen blanketing valve 4 will be lower than the top of screw thread protection end 1; So that nitrogen is sent in weld and the heat-affected zone thereof; Particularly, the top of nitrogen blanketing valve 4 is lower than the top 20mm of screw thread protection end 1 in a kind of specific embodiment provided by the invention, can be so that the distribution of nitrogen is the most reasonable; Promptly only low; Make to not being soldered the regional inflated with nitrogen that has influence on, high only, make that being soldered the zone that has influence on is not charged to nitrogen.
After welding finished, temperature was all higher in a slice heat affected area around the weld of workpiece and pipe joint and this weld, because the present invention is tubular protection structure; Therefore, can directly adopt water-cooled cooling, be about to cooling water and directly be sprayed onto the main body of the present invention outside; Can realize fast cooling, after pressure-air cooling of the prior art, in natural cooling; The present invention has eliminated the stand-by period of a back operation, has practiced thrift man-hour.
In order further to optimize technique scheme; In the present invention, on the main body between butt plate 3 and the nitrogen blanketing valve 4, be provided with draining window 5, promptly cooling water can directly be sprayed onto on the nitrogen blanketing valve 4 that the present invention receives welding heat affected maximum; This nitrogen blanketing valve 4 is that the end of thread of direct and pipe joint is contacted; Therefore, water is sprayed onto nitrogen blanketing valve 4, can improves water-cooled effect of the present invention.After current spray into,, therefore, can not get in the nitrogen blanketing valve 4 on the one hand and survey, flow in the bonding machine along nitrogen blanketing valve 4 because the position that is provided with of this draining window 5 is between the top of butt plate 3 and nitrogen blanketing valve 4; On the other hand, can be directly flow out along the end face of butt plate 3.Further, flow down along the end face of butt plate 3 in order to be convenient to cooling water more, the end face of butt plate 3 is directed downwards inclination by its center to outer rim among the present invention.
Need to prove raw material of the present invention optional high temperature resistant, be convenient to machining, corrosion resistant metal, like red copper, brass, stainless steel etc.The present invention is preferably red copper.
The invention also discloses a kind of gas brazing bonding machine, comprise the bonding machine main body and be arranged on the pipe joint protecting tool set-up on the bonding machine main body, this pipe joint protecting tool set-up is above-mentioned pipe joint protecting tool set-up.Because aforementioned tube joint protective frock has above-mentioned technique effect, the gas brazing bonding machine with aforementioned tube joint protective frock also should possess the corresponding techniques effect.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. pipe joint protecting tool set-up; It is characterized in that; The main body of said pipe joint protecting tool set-up is a tubular structure, and an end of said main body is screw thread protection end (1), the interface end (2) of the other end for being connected with bonding machine; The inwall of said main body is provided with butt plate (3) near the position of said interface end, and said butt plate is provided with along its thickness direction and fills the nitrogen hole with what it ran through.
2. pipe joint protecting tool set-up according to claim 1 is characterized in that, saidly fills the central authorities that the nitrogen hole is positioned at said butt plate (3).
3. pipe joint protecting tool set-up according to claim 2 is characterized in that, also is provided with on the said butt plate (3) with said to fill the nitrogen blanketing valve (4) that the nitrogen hole is connected.
4. pipe joint protecting tool set-up according to claim 3 is characterized in that, the top of said nitrogen blanketing valve (4) is lower than the top of said screw thread protection end (1).
5. pipe joint protecting tool set-up according to claim 4 is characterized in that, the top of said nitrogen blanketing valve (4) is lower than the top 20mm of said screw thread protection end (1).
6. pipe joint protecting tool set-up according to claim 1 is characterized in that, the said main body between the top of said butt plate (3) and said nitrogen blanketing valve (4) is provided with draining window (5).
7. pipe joint protecting tool set-up according to claim 6 is characterized in that, said draining window (5) is two, and is oppositely arranged on the said main body.
8. pipe joint protecting tool set-up according to claim 7 is characterized in that, the end face of said butt plate (3) is directed downwards inclination by its center to outer rim.
9. according to each described pipe joint protecting tool set-up of claim 1-8, it is characterized in that the main body of said pipe joint protecting tool set-up is processed by resistant to elevated temperatures metal.
10. a gas brazing bonding machine comprises the bonding machine main body and is arranged on the pipe joint protecting tool set-up on the said bonding machine main body, it is characterized in that, said pipe joint protecting tool set-up is like each described pipe joint protecting tool set-up of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210328319.8A CN102837100B (en) | 2012-09-06 | 2012-09-06 | Flame brazing welding machine and pipe joint protecting tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210328319.8A CN102837100B (en) | 2012-09-06 | 2012-09-06 | Flame brazing welding machine and pipe joint protecting tool thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102837100A true CN102837100A (en) | 2012-12-26 |
| CN102837100B CN102837100B (en) | 2014-10-01 |
Family
ID=47364970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210328319.8A Active CN102837100B (en) | 2012-09-06 | 2012-09-06 | Flame brazing welding machine and pipe joint protecting tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102837100B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341696A (en) * | 2013-07-17 | 2013-10-09 | 中国一冶集团有限公司 | Method and device for protecting internal threads of pup joint of meter |
| CN104747828A (en) * | 2015-03-27 | 2015-07-01 | 大连新钢液压管件有限公司 | Brazing type clamping sleeve connector |
| CN108180330A (en) * | 2017-12-20 | 2018-06-19 | 长沙格力暖通制冷设备有限公司 | Nitrogen charging connector |
| CN112355426A (en) * | 2020-10-28 | 2021-02-12 | 中国航发贵州黎阳航空动力有限公司 | Protective device for nuts with anodized layers in flame brazing process |
| CN113172297A (en) * | 2021-03-30 | 2021-07-27 | 郑州大轻自动化设备有限公司 | Special ceramic frock of induction brazing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140322Y (en) * | 2008-01-05 | 2008-10-29 | 广东精艺金属股份有限公司 | Throttling back nitrogen feed protecting apparatus |
| CN201471044U (en) * | 2009-08-20 | 2010-05-19 | 广东精艺金属股份有限公司 | Automatic flame welding machine |
| CN201664826U (en) * | 2010-01-08 | 2010-12-08 | 珠海格力电器股份有限公司 | Welding and positioning device of four-hole distributor |
| CN201711700U (en) * | 2010-05-20 | 2011-01-19 | 宁波奥克斯空调有限公司 | Welding tool general for an air condition air inlet pipe assembly |
| CN202845987U (en) * | 2012-09-06 | 2013-04-03 | 珠海格力电器股份有限公司 | Flame brazing welder and pipe joint protection tool thereof |
-
2012
- 2012-09-06 CN CN201210328319.8A patent/CN102837100B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140322Y (en) * | 2008-01-05 | 2008-10-29 | 广东精艺金属股份有限公司 | Throttling back nitrogen feed protecting apparatus |
| CN201471044U (en) * | 2009-08-20 | 2010-05-19 | 广东精艺金属股份有限公司 | Automatic flame welding machine |
| CN201664826U (en) * | 2010-01-08 | 2010-12-08 | 珠海格力电器股份有限公司 | Welding and positioning device of four-hole distributor |
| CN201711700U (en) * | 2010-05-20 | 2011-01-19 | 宁波奥克斯空调有限公司 | Welding tool general for an air condition air inlet pipe assembly |
| CN202845987U (en) * | 2012-09-06 | 2013-04-03 | 珠海格力电器股份有限公司 | Flame brazing welder and pipe joint protection tool thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341696A (en) * | 2013-07-17 | 2013-10-09 | 中国一冶集团有限公司 | Method and device for protecting internal threads of pup joint of meter |
| CN104747828A (en) * | 2015-03-27 | 2015-07-01 | 大连新钢液压管件有限公司 | Brazing type clamping sleeve connector |
| CN108180330A (en) * | 2017-12-20 | 2018-06-19 | 长沙格力暖通制冷设备有限公司 | Nitrogen charging connector |
| CN112355426A (en) * | 2020-10-28 | 2021-02-12 | 中国航发贵州黎阳航空动力有限公司 | Protective device for nuts with anodized layers in flame brazing process |
| CN113172297A (en) * | 2021-03-30 | 2021-07-27 | 郑州大轻自动化设备有限公司 | Special ceramic frock of induction brazing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102837100B (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102837100B (en) | Flame brazing welding machine and pipe joint protecting tool thereof | |
| CN105226479B (en) | A kind of preparation method of tubular type conducting rod, hydraulic bulging device and tubular type conducting rod | |
| CN102861985A (en) | Repairing method of aluminum alloy agitating friction welding hole defects | |
| CN103862146B (en) | Gas turbine burner inner barrel manufacture method and frock | |
| CN103672008A (en) | Ball valve with all-welded valve bodies and welding method of ball valve | |
| CN105414708A (en) | Welding repair method for gray cast iron | |
| CN103317249A (en) | Method for repairing anode steel stud | |
| CN105312742A (en) | Welding technology | |
| CN106270935A (en) | A kind of repair method of centrifugal compound roll axle surface defect | |
| CN202845987U (en) | Flame brazing welder and pipe joint protection tool thereof | |
| CN203627875U (en) | Ball valve with all-welded valve body | |
| CN112496670A (en) | Non-welding repair process for casting cracks | |
| CN109807438A (en) | A method of for water heater porcelain enamel steel liner girth welding | |
| CN101837448A (en) | Repairing method for steel ladle and iron ladle | |
| CN103752995B (en) | A kind of welding method based on valve stress dispersion | |
| CN104400178A (en) | Welding repair process for grey cast iron thick big piece | |
| CN104384805B (en) | A kind of flush type binding piece orientation installation fixture part and locating mounting method | |
| CN109707915B (en) | Limiting ring for pipeline and pipeline processing technology | |
| CN204248325U (en) | A kind of sheet-metal duct assembling tool | |
| CN103658928A (en) | Surface overlaying method for rack roller for wide and thick plates | |
| CN103801887B (en) | Tool for welding steel plates onto outer wall of barrel and welding method thereof | |
| CN206047336U (en) | A kind of upset butt welder mould of cored bar | |
| CN203830974U (en) | Tool structure for welding steel plates to outer wall of cylinder | |
| CN202302389U (en) | Welding assembly of metal pipe fittings | |
| CN206632541U (en) | A kind of high-strength connecting frame automatically welding workstation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |