CN101148012A - Method for processing hollow sucker rod - Google Patents
Method for processing hollow sucker rod Download PDFInfo
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- CN101148012A CN101148012A CNA2007101134323A CN200710113432A CN101148012A CN 101148012 A CN101148012 A CN 101148012A CN A2007101134323 A CNA2007101134323 A CN A2007101134323A CN 200710113432 A CN200710113432 A CN 200710113432A CN 101148012 A CN101148012 A CN 101148012A
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Abstract
The present invention relates to pump rod making technology, and is especially hollow pump rod making process. The hollow pump rod making process includes the steps of preparing material, cutting edges of steel plate, forming, welding, rolling, forging or welding rod end, heat treatment and machining. The process is superior to available ones, and has the advantages of high production efficiency, low power consumption, low comprehensive cost, capacity of continuous production, etc.
Description
Technical field:
The present invention relates to a kind of sucker rod processing method, the processing method of particularly a kind of (continuously) hollow rod.
Background technology:
At present, also do not have the manufacturing process of continuous hollow rod both at home and abroad, have only the hollow rod manufacturing process of common scale.Existing hollow rod manufacturing process is that circular steel billet is through rolling, perforation, sizing, formation hollow rod bar base.Manufactory at the blank that forms hollow rod, forms the scale hollow rod of finished product in the forging of carrying out the bar head or welding, heat treatment again through machining.The specification that this manufacturing process is merely able to process has several specifications such as Φ 32, Φ 35, Φ 38.Its shortcoming or deficiency are: (1) process equipment is huge, and energy resource consumption is big; (2) speed of production is slow, and production efficiency is low; (3) product specification is few, and range of application is little; (4) tolerances such as how much external diameters of the blank of the hollow rod of Sheng Chaning, wall thickness are big; (5) can not realize production continuously etc., thereby influence its use value.
Summary of the invention:
The processing method that the purpose of this invention is to provide a kind of hollow rod, it can avoid and overcome shortcoming or the deficiency that exists in the existing hollow rod manufacturing process effectively, this is low, can produce continuous hollow rod continuously to have production efficiency height, energy savings, integrated cost, but also scale production and can produce advantages such as (continuously) hollow rod, the operation of all size be simple has high use value.
Technical scheme of the present invention is: gets the raw materials ready, steel plate cutting edge, plate forming, welding, rolling, bar head forge and make or welding, heat treatment, machining operation, wherein:
(1), procedure for preparation is that the steel plate band is installed on the uncoiler, and when last coil strip uses up, follow-up steel band is welded on the last coil band welding of welding employing angle, angle angle 15～60 degree;
(2), steel band cutting edge operation is that raw material blank steel plate is cut out Jian to the width that sets, the speed that needs cutting that reaches plate forming technology is 10～120 meters/minute;
(3), the plate forming operation is that the steel plate after the cutting edge is rolled into the pipe shape by former, the speed of plate forming is 10～120 meters/minute;
(4), welding sequence is that the cylindric sheet material after the moulding is welded into hollow rod shaped structure, the temperature of welding pool is 1300～1600 ℃, speed of welding is 10～120 meters/minute;
(5), rolling process be the welding after hollow rod body by tube reducing equipment the welding after the hollow stem diameter roll the regulation diameter and wall thickness, the inlet temperature of tube reducing equipment is 950～1000 ℃, entrance velocity is not less than 25 meters/minute; Outlet temperature is not less than 850 ℃, and muzzle velocity is not less than 60 meters/minute;
(6), the bar head forges or welding sequence is the hollow rod body blank forging after rolling to be gone out the API hollow rod bar head of standard or oily club head is welded on the body of rod blank, after finishing, welding to carry out annealing in process to welding portion, the temperature of annealing is 350～650 ℃, 3～15 minutes time;
(7), heat treatment step is that the hollow rod after the welding is heat-treated, and normalizing or the burning hot processing mode of quenching add-back are arranged, and adopts normalized treatment, the temperature of normalizing is generally at 800～1000 ℃, temperature retention time 5～20 minutes; Add the processing mode of tempering if adopting quenches, hardening heat is 800～920 ℃, temperature retention time 5～20 minutes, 450～650 ℃ of temperatures, tempering insulation time 10～30 minutes;
(8), the machining operation is that the hollow rod bar head car after the heat treatment is gone out screw thread, forms the hollow rod of finished product.
Also be included in forging of bar head or welding sequence in the above-mentioned operation and finish back increase high-pressure water descaling operation, coil operation in the increase of machining operation.
In welding sequence (4), after welding finished, weld seam will be handled by heating in medium frequency, and heating-up temperature is 850～950 ℃.
Behind rolling process (5) tube reducing, the hollow rod sawing to the length of setting, is made the hollow rod of scale.
The bar head forges or the mode of welding sequence (6) welding comprises friction welding, flash of light welding.
This patent compared with prior art has following advantage:
1, reduces the volume and the power of manufacturing equipment, saved the energy, reduced production cost;
2, owing to adopted welding fabrication technology, improved speed of production greatly;
3, realized continuous production, (continuously) hollow rod of production respective length as required.
4, owing to adopt welding fabrication, solved the problem that traditional processing technology can not be produced the small dimension hollow rod.
Description of drawings
Accompanying drawing is the manufacturing process flow diagram of hollow rod.
The specific embodiment
The hollow rod processing method, comprise get the raw materials ready, steel plate cutting edge, plate forming, welding, rolling, bar head forge and make or welding, high-pressure water descaling, heat treatment, machining, operation such as coil.
1, procedure for preparation is that the steel plate band of certain specification is installed on the uncoiler, and when last coil strip uses up, follow-up steel band is welded on the last coil band.The angle welding is adopted in welding, and angle angle 25 degree, welding manner are the ERW welding.
2, steel band cutting edge operation is that certain thickness raw material blank steel plate is cut out Jian to needed width, satisfies the needs of plate forming technology; The steel plate cutting edge realizes that by the steel plate cutter speed of cutting is 60 meters/minute.
3, the plate forming operation is that the steel plate after the cutting edge is rolled into the pipe shape by former, and the speed of plate forming is 60 meters/minute.
4, welding procedure is that the cylindric sheet material after the moulding is welded into hollow rod shaped structure by certain welding procedure, and welding manner is ERW or other welding manners, and the temperature of welding pool is 1400 ℃, and speed of welding is 60 meters/minute.After welding finished, weld seam will be handled by heating in medium frequency, and purpose is to eliminate the welding stress of weld seam, improves the tissue of welding heat affected zone.According to the material of steel plate, heating-up temperature is 850 ℃.
5 stretch reducing technologies are that the hollow rod body after the welding is rolled certain diameter and wall thickness by the hollow stem diameter after the welding of tube reducing equipment.The inlet temperature of tube reducing is 950 ℃, and entrance velocity is not less than 25 meters/minute; Outlet temperature is not less than 850 ℃, and muzzle velocity is not less than 60 meters/minute.Behind the tube reducing, produce the product of scale if desired, can be the hollow rod sawing to the length that requires.
6, the bar head forges or welding is the hollow rod body blank forging after rolling to be gone out the API hollow rod head of standard or sucker rod head is welded on the body of rod blank, and the mode of welding can adopt friction welding, glisten and weld or other welding manners.Will carry out annealing in process to welding portion after welding finishes, the temperature of annealing is 450 ℃, 10 minutes time.
7, heat treatment step is that the hollow rod after the welding is heat-treated, and mainly comprises heat treatment modes such as normalizing, quenching+tempering, and purpose is to eliminate the stress after rolling and the welding and the inhomogeneities of tissue, improves the mechanical performance of sucker rod.If employing normalized treatment, the temperature of normalizing be generally at 900 ℃, temperature retention time 10 minutes; If adopt the processing mode of quenching+tempering, hardening heat is 850 ℃, temperature retention time 10 minutes, 550 ℃ of temperatures, tempering insulation time 20 minutes.
8, the machining foot goes out screw thread to the hollow rod bar head car after the heat treatment, forms (continuously) hollow rod of finished product or the sucker rod of scale.
9, coiling is neat the coiling on cylinder of hollow rod continuously after the heat treatment, and purpose is the loading and unloading and the on-the-spot operation that can be easy to be implemented in the Operation Van.
Claims (5)
1. the processing method of a hollow rod is characterized in that comprising: gets the raw materials ready, steel plate cutting edge, plate forming, welding, rolling, bar head forge and make or welding, heat treatment, machining operation, wherein:
(1), procedure for preparation is that the steel plate band is installed on the uncoiler, and when last coil strip uses up, follow-up steel band is welded on the last coil band welding of welding employing angle, angle angle 15～60 degree;
(2), steel band cutting edge operation is that raw material blank steel plate is cut out Jian to the width that sets, the speed that needs cutting that reaches plate forming technology is 10～120 meters/minute;
(3), the plate forming operation is that the steel plate after the cutting edge is rolled into the pipe shape by former, the speed of plate forming is 10～120 meters/minute;
(4), welding sequence is that the cylindric sheet material after the moulding is welded into hollow rod shaped structure, the temperature of welding pool is 1300～1600 ℃, speed of welding is 10～120 meters/minute;
(5), rolling process be the welding after hollow rod body by tube reducing equipment the welding after the hollow stem diameter roll the regulation diameter and wall thickness, the inlet temperature of tube reducing equipment is 950～1000 ℃, entrance velocity is not less than 25 meters/minute; Outlet temperature is not less than 850 ℃, and muzzle velocity is not less than 60 meters/minute;
(6), the bar head forges or welding sequence is the hollow rod body blank forging after rolling to be gone out the API hollow rod bar head of standard or oily club head is welded on the body of rod blank, after finishing, welding to carry out annealing in process to welding portion, the temperature of annealing is 350～650 ℃, 3～15 minutes time;
(7), heat treatment step is that the hollow rod after the welding is heat-treated, and normalizing or the burning hot processing mode of quenching add-back are arranged, and adopts normalized treatment, the temperature of normalizing is generally at 800～1000 ℃, temperature retention time 5～20 minutes; Add the processing mode of tempering if adopting quenches, hardening heat is 800～920 ℃, temperature retention time 5～20 minutes, 450～650 ℃ of temperatures, tempering insulation time 10～30 minutes;
(8), the machining operation is that the hollow rod bar head car after the heat treatment is gone out screw thread, forms the hollow rod of finished product.
2. require described hollow rod processing method according to right 1, it is characterized in that: forge or welding sequence end back increase high-pressure water descaling operation at the bar head in the described operation, coil operation in the increase of machining operation.
3. require described hollow rod processing method according to right 1 or 2, it is characterized in that: in welding sequence (4), after welding finished, weld seam will be handled by heating in medium frequency, and heating-up temperature is 850～950 ℃.
4. require described hollow rod processing method according to right 1 or 2, it is characterized in that: behind rolling process (5) tube reducing, the length of hollow rod sawing to setting.
5. require described hollow rod processing method according to right 1 or 2, it is characterized in that: the bar head forges or the mode of welding sequence (6) welding comprises friction welding, flash of light welding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101134323A CN101148012A (en) | 2007-10-15 | 2007-10-15 | Method for processing hollow sucker rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101134323A CN101148012A (en) | 2007-10-15 | 2007-10-15 | Method for processing hollow sucker rod |
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| CN101148012A true CN101148012A (en) | 2008-03-26 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898295A (en) * | 2010-08-12 | 2010-12-01 | 中国石油天然气集团公司 | Manufacturing method of high-strength and high-plasticity continuous tube |
| CN101954575A (en) * | 2010-10-21 | 2011-01-26 | 安徽省宁国市晨光汽车零部件有限公司 | Production process of supporting plate of vehicle transmission gear |
| CN102189375A (en) * | 2010-03-05 | 2011-09-21 | 三洋精密株式会社 | Manufacturing method of lead screw |
| CN102199703A (en) * | 2011-05-14 | 2011-09-28 | 天津天海精密锻造有限公司 | Method for treating quenching arc-shaped cracks of carbon steel thin-wall ring part |
| CN101722406B (en) * | 2009-12-31 | 2011-11-02 | 上海新闵重型锻造有限公司 | Method for manufacturing pin shaft through forging |
| CN102399970A (en) * | 2011-11-18 | 2012-04-04 | 中国石油集团渤海石油装备制造有限公司 | Heat treatment method for V150 steel grade drill rod welded seam |
| CN102717240A (en) * | 2012-07-06 | 2012-10-10 | 常熟市石油固井工具有限公司 | Manufacture method of novel sucker rod |
| CN102886644A (en) * | 2012-09-11 | 2013-01-23 | 昌利锻造有限公司 | Method for manufacturing high-strength pin shaft |
| CN103100822A (en) * | 2011-11-10 | 2013-05-15 | 五冶集团上海有限公司 | Processing method for inter-arm connection component of lifting platform |
| CN105441816A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Steel for sucker rod, and making method of sucker rod |
| CN106271427A (en) * | 2016-08-30 | 2017-01-04 | 桐乡市凯盛精密机械有限公司 | A kind of processing method of Oil Guide rod |
| CN107405659A (en) * | 2015-03-03 | 2017-11-28 | 杰富意钢铁株式会社 | The electric welded steel pipe and its manufacture method that welding seam part can identify |
| CN110273101A (en) * | 2019-06-14 | 2019-09-24 | 首钢集团有限公司 | A kind of H grade pumping rod and preparation method thereof |
| CN111085541A (en) * | 2019-10-17 | 2020-05-01 | 包头钢铁（集团）有限责任公司 | Method for producing rare earth sucker rod by large-coil process |
| CN111940879A (en) * | 2020-08-20 | 2020-11-17 | 浙江睿智钢业有限公司 | Resistance flash butt welding process for 00Cr steel and product thereof |
| CN114406622A (en) * | 2022-02-24 | 2022-04-29 | 湖南湘投金天新材料有限公司 | Production method of high-strength alloy welded pipe |
| CN115255692A (en) * | 2022-08-03 | 2022-11-01 | 新疆八一钢铁股份有限公司 | Low-carbon high-Cr alloy billet connecting and rolling method |
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2007
- 2007-10-15 CN CNA2007101134323A patent/CN101148012A/en active Pending
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722406B (en) * | 2009-12-31 | 2011-11-02 | 上海新闵重型锻造有限公司 | Method for manufacturing pin shaft through forging |
| CN102189375A (en) * | 2010-03-05 | 2011-09-21 | 三洋精密株式会社 | Manufacturing method of lead screw |
| CN101898295A (en) * | 2010-08-12 | 2010-12-01 | 中国石油天然气集团公司 | Manufacturing method of high-strength and high-plasticity continuous tube |
| CN101954575A (en) * | 2010-10-21 | 2011-01-26 | 安徽省宁国市晨光汽车零部件有限公司 | Production process of supporting plate of vehicle transmission gear |
| CN101954575B (en) * | 2010-10-21 | 2014-01-29 | 安徽省宁国市晨光汽车零部件有限公司 | Production process of supporting plate of vehicle transmission gear |
| CN102199703A (en) * | 2011-05-14 | 2011-09-28 | 天津天海精密锻造有限公司 | Method for treating quenching arc-shaped cracks of carbon steel thin-wall ring part |
| CN102199703B (en) * | 2011-05-14 | 2012-10-10 | 天津天海精密锻造有限公司 | Method for treating quenching arc-shaped cracks of carbon steel thin-wall ring part |
| CN103100822A (en) * | 2011-11-10 | 2013-05-15 | 五冶集团上海有限公司 | Processing method for inter-arm connection component of lifting platform |
| CN102399970A (en) * | 2011-11-18 | 2012-04-04 | 中国石油集团渤海石油装备制造有限公司 | Heat treatment method for V150 steel grade drill rod welded seam |
| CN102399970B (en) * | 2011-11-18 | 2014-02-05 | 中国石油集团渤海石油装备制造有限公司 | Heat treatment method for V150 steel grade drill rod welded seam |
| CN102717240A (en) * | 2012-07-06 | 2012-10-10 | 常熟市石油固井工具有限公司 | Manufacture method of novel sucker rod |
| CN102886644A (en) * | 2012-09-11 | 2013-01-23 | 昌利锻造有限公司 | Method for manufacturing high-strength pin shaft |
| CN105441816A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Steel for sucker rod, and making method of sucker rod |
| CN105441816B (en) * | 2014-08-29 | 2017-08-04 | 中国石油天然气股份有限公司 | A kind of manufacture method of steel for sucker rod and sucker rod |
| US11045896B2 (en) | 2015-03-03 | 2021-06-29 | Jfe Steel Corporation | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same |
| CN107405659A (en) * | 2015-03-03 | 2017-11-28 | 杰富意钢铁株式会社 | The electric welded steel pipe and its manufacture method that welding seam part can identify |
| CN107405659B (en) * | 2015-03-03 | 2019-06-07 | 杰富意钢铁株式会社 | The manufacturing method for the electric welded steel pipe that welding seam part can identify |
| US10369655B2 (en) | 2015-03-03 | 2019-08-06 | Jfe Steel Corporation | Electric resistance welded steel pipe having identifiable seam portion and method for manufacturing the same |
| CN106271427A (en) * | 2016-08-30 | 2017-01-04 | 桐乡市凯盛精密机械有限公司 | A kind of processing method of Oil Guide rod |
| CN110273101A (en) * | 2019-06-14 | 2019-09-24 | 首钢集团有限公司 | A kind of H grade pumping rod and preparation method thereof |
| CN111085541A (en) * | 2019-10-17 | 2020-05-01 | 包头钢铁（集团）有限责任公司 | Method for producing rare earth sucker rod by large-coil process |
| CN111940879A (en) * | 2020-08-20 | 2020-11-17 | 浙江睿智钢业有限公司 | Resistance flash butt welding process for 00Cr steel and product thereof |
| CN111940879B (en) * | 2020-08-20 | 2022-03-11 | 浙江睿智钢业有限公司 | Resistance flash butt welding process for 00Cr steel and product thereof |
| CN114406622A (en) * | 2022-02-24 | 2022-04-29 | 湖南湘投金天新材料有限公司 | Production method of high-strength alloy welded pipe |
| CN115255692A (en) * | 2022-08-03 | 2022-11-01 | 新疆八一钢铁股份有限公司 | Low-carbon high-Cr alloy billet connecting and rolling method |
| CN115255692B (en) * | 2022-08-03 | 2024-03-22 | 新疆八一钢铁股份有限公司 | Low-carbon high-Cr alloy billet connection and rolling method |
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