CN104942413A - Butt weld elbow automatic arc-submerging welder - Google Patents
Butt weld elbow automatic arc-submerging welder Download PDFInfo
- Publication number
- CN104942413A CN104942413A CN201510326005.8A CN201510326005A CN104942413A CN 104942413 A CN104942413 A CN 104942413A CN 201510326005 A CN201510326005 A CN 201510326005A CN 104942413 A CN104942413 A CN 104942413A
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- China
- Prior art keywords
- arm
- welding
- elbow
- submerged arc
- arc welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a butt weld elbow automatic arc-submerging welder which comprises a walking trolley and a welding motor. A vertical lifting arm is arranged on the walking trolley, a horizontal telescopic arm is arranged on the lifting arm, a welding special arm is arranged at the front end of the horizontal telescopic arm, and the welding special arm comprises a crank arm and a connecting rod. The bending radian and the curvature of the crank arm are matched with those of an elbow. The connecting rod is arranged at one end of the crank arm, and a submerged-arc welding nozzle is arranged at the other end of the crank arm. The crank arm is detachably arranged on the horizontal telescopic arm through the connecting rod. The crank arm of the butt weld elbow automatic arc-submerging welder is simple in structure, low in production cost and large in using range and coverage rate, one set of special arm can cover welding of elbows of two or move calibers, it is avoided that the crank arm is replaced frequently. Welding stability is high, and the product back repair rate is low; the production efficiency is improved, and production cost is lowered.
Description
Technical field
The present invention relates to a kind of butt-welding elbow automatic submerged arc welding machine.
Background technology
Elbow is the pipe fitting changing pipeline direction, and the material of elbow has cast iron, stainless steel, steel alloy, malleable cast iron, carbon steel, non-ferrous metal and plastics etc.; Angularly divide, have 30 °, 45 °, 60 ° and 90 ° etc. multiple.In butt-welding elbow manufacturing process, elbow longitudinal seam be welded as key operation, directly have influence on quality and the speed of production of product.The common welding of cranking arm of general employing, because common welding is cranked arm poor stability, complicated operation, and can only weld for the elbow of a kind of bore and radius of curvature.Reduce production efficiency and capacity utilization, add production cost.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of butt-welding elbow automatic submerged arc welding machine, this welding machine is provided with elbow interior wall submerged arc welding Special arm, and this Special arm structure is simple, can be adapted to the elbow of multiple curvature.Only curvature is used to be the welding that 1067,1524,1,981 three kinds of Special arms can cover DN600 ~ DN1400 elbow.
For achieving the above object, a kind of butt-welding elbow automatic submerged arc welding machine disclosed by the invention, it comprises walking dolly and welding motor; Walking dolly is provided with vertical lift arm, lifting arm is provided with horizontal extension arm, the front end of horizontal extension arm is provided with welding Special arm, and described welding Special arm comprises cranks arm and connecting rod; Curvature and the radian of described crooked radian of cranking arm and curvature and elbow match; Connecting rod is arranged on the one end of cranking arm, and submerged arc tip is arranged on the other end of cranking arm; Described cranking arm detachably is arranged on horizontal extension arm by described connecting rod.
Further, described connecting rod is arranged on described horizontal extension arm by snap fit or thread connecting mode.
Further, interior setting is cranked arm described in for holding the through hole of power line or conveying welding wire.
Further, described in the crooked radian of cranking arm be 70 ° ~ 75 °, curvature is 1067,1524,1,981 three kinds.
Further, described connecting rod and described angle of cranking arm between tangent line are 80 ~ 85 degree.
Further, described connecting rod length is greater than elbow diameter.
Further, described connecting rod is provided with wire reel support, described wire reel is arranged in wire reel support rotationally.
Further, described in crank arm on be arranged at intervals with several welding wire spacing rings, the welding wire of drawing from wire reel is through arriving tip after several welding wire spacing rings.
Further, crank arm described in and submerged arc tip one end is provided with surveillance.
Further, described submerged arc welding machine also comprises rotary table, and rotary table freely can rotate in vertical plane; Rotary table is provided with elbow submerged-arc welding jig.
Further, described elbow submerged-arc welding jig comprises fixed support and fastener; Fixed support comprises riser and base plate, base plate offers multiple connecting hole for being connected with workbench; Described riser top offers the deep-slotted chip breaker for elbow location, and the arc curvature of deep-slotted chip breaker is consistent with the curvature of elbow cylindrical; Described fastener comprises U-shaped plate and trip bolt, and U-shaped plate comprises left side, right side and middle interconnecting piece; Described left side can be arranged on described riser horizontally slidingly, and described right side is walked around riser and is arranged on above described deep-slotted chip breaker; Described right side is provided with tapped through hole, and trip bolt is threaded with right side by this tapped through hole.
Further, described elbow is placed on described deep-slotted chip breaker, and the tubular body of elbow is stretched in described right side, screws off described trip bolt, and described elbow compresses by the lower end of trip bolt.
Further, described trip bolt is also provided with locking nut.
Further, multiple floor is provided with between described base plate and described riser.
Crank arm during welding extend into corresponding bore and curvature elbow in weld.Compared with prior art, structure of cranking arm of the present invention is simple, and production cost is low, and scope of application coverage rate is large, and a set of Special arm can cover two or more bore elbow welding, avoids frequent replacing and cranks arm.Welding stability is high, and product repair rate is low.Improve production efficiency, reduce production cost.Wire feed path of the present invention is short, improves the stability of wire feed, decreases welding wire residue length, improves welding wire utilization rate.
Accompanying drawing explanation
Fig. 1 is submerged arc welding machine structural representation;
Fig. 2 is the structural representation of welding Special arm;
Fig. 3 is wire reel support structural representation;
Fig. 4 is elbow submerged-arc welding fixture structure schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, a kind of butt-welding elbow automatic submerged arc welding machine, it comprises walking dolly 1, welding motor 2 and rotary table 9; Walking dolly 1 is provided with vertical lift arm 3, lifting arm 3 is provided with horizontal extension arm 4, the front end of horizontal extension arm 4 is provided with welding Special arm 10.Rotary table 9 freely can rotate in vertical plane; Rotary table 9 is provided with elbow submerged-arc welding jig.
As shown in Figure 2, weld Special arm 10 and comprise crank arm 12 and connecting rod 11; Crank arm 12 crooked radian suitable with radian with the curvature of curvature and elbow 14; Connecting rod 11 be vertically set on crank arm 12 one end, submerged arc tip 15 be arranged on crank arm 12 the other end; Crank arm and 12 to be detachably arranged on horizontal extension arm 4 by snap fit or thread connecting mode by connecting rod 11.Connecting rod 11 length is 1.2-2 times of elbow diameter.In order to carry power line or welding wire, crank arm 12 inside be provided with through hole 12a.
As shown in Figure 3,11 connecting rods are provided with wire reel support 16, wire reel 19 is arranged in wire reel support 16 rotationally.Crank arm on 14 and be arranged at intervals with several welding wire spacing rings 18, the welding wire 17 of drawing from wire reel 19 arrives tip 15 through after several welding wire spacing rings 18.Crank arm and 14 submerged arc tip 15 one end is provided with surveillance 20.
As shown in Figure 4, rotary table 9 is provided with elbow submerged-arc welding jig 21.Elbow submerged-arc welding jig 21 comprises fixed support 22 and fastener 23; Fixed support 22 comprises riser and base plate, base plate offers multiple connecting hole for being connected with workbench; Riser top offers the deep-slotted chip breaker for elbow location, and the arc curvature of deep-slotted chip breaker is consistent with the curvature of elbow cylindrical; Fastener 23 comprises U-shaped plate and trip bolt.
For Φ 711 butt-welding elbow, first the fixed support of elbow submerged-arc welding jig is bolted on rotary table, again welding elbow is fixed on fixed support, by movable walking dolly, move up and down lifting arm and telescopic arm, makes submerged arc tip and treat that welding line aligns.Rotary turnplate carries out dry running, checks that whether tip is along weld movement.After adjustment, setting weldingvoltage, electric current and rotary speed are welded.Speed of welding and displacement is observed by surveillance in welding process.Timely adjustment welding torch position, until welded.
For the welding Special arm that curvature is 1067, the welding of inner and outer welding can be carried out to the butt-welding elbow of DN600 ~ DN850 scope.Increase the use coverage rate of single welding Special arm.The working range of butt-welding elbow automatic submerged arc welding machine is expanded to DN600 ~ DN1400 from DN700 ~ DN1000 by changing welding Special arm.Improve utilization rate and the production efficiency of equipment.
The present invention utilizes automationization to weld and instead of manual welding, improves product quality and operating efficiency, reduction to manual welding welding personnel dependence; Add welding scope to avoid in welding process and change welding frequently and crank arm; Once be installed the weld seam welding that can complete whole elbow, changes that be once installed can only to the one-sided welding of wall scroll weld seam in the past; Surveillance is installed in welding Special arm front end can monitor inwall welding situation at any time, provides accurate foundation to operative employee.
Below only describe several preferred embodiments of the application by reference to the accompanying drawings, but the application is not limited thereto, every those of ordinary skill in the art are under the spirit not departing from the application, and any improvement made and/or distortion, all belong to the protection domain of the application.
Claims (10)
1. a butt-welding elbow automatic submerged arc welding machine, is characterized in that, it comprises walking dolly and welding motor; Walking dolly is provided with vertical lift arm, lifting arm is provided with horizontal extension arm, the front end of horizontal extension arm is provided with welding Special arm, and described welding Special arm comprises cranks arm and connecting rod; Curvature and the radian of described crooked radian of cranking arm and curvature and elbow match; Connecting rod is arranged on the one end of cranking arm, and submerged arc tip is arranged on the other end of cranking arm; Described cranking arm detachably is arranged on horizontal extension arm by described connecting rod.
2. automatic submerged arc welding machine as claimed in claim 1, it is characterized in that, described connecting rod is arranged on described horizontal extension arm by snap fit or thread connecting mode.
3. automatic submerged arc welding machine as claimed in claim 1, is characterized in that, described in crank arm interior setting for holding the through hole of power line or conveying welding wire.
4. automatic submerged arc welding machine as claimed in claim 1, is characterized in that, described in the crooked radian of cranking arm be 70 ° ~ 75 °, curvature is 1067,1524,1,981 three kinds.
5. automatic submerged arc welding machine as claimed in claim 1, it is characterized in that, described connecting rod and described angle of cranking arm between tangent line are 80 ~ 85 degree.
6. automatic submerged arc welding machine as claimed in claim 1, it is characterized in that, described connecting rod is provided with wire reel support, and described wire reel is arranged in wire reel support rotationally.
7. automatic submerged arc welding machine as claimed in claim 6, is characterized in that, described in crank arm on be arranged at intervals with several welding wire spacing rings, the welding wire of drawing from wire reel arrives tip through after several welding wire spacing rings.
8. automatic submerged arc welding machine as claimed in claim 1, is characterized in that, described in crank arm submerged arc tip one end be provided with surveillance.
9. automatic submerged arc welding machine as claimed in claim 1, it is characterized in that, described submerged arc welding machine also comprises rotary table, and rotary table freely can rotate in vertical plane; Rotary table is provided with elbow submerged-arc welding jig.
10. automatic submerged arc welding machine as claimed in claim 9, it is characterized in that, described elbow submerged-arc welding jig comprises fixed support and fastener; Fixed support comprises riser and base plate, base plate offers multiple connecting hole for being connected with workbench; Described riser top offers the deep-slotted chip breaker for elbow location, and the arc curvature of deep-slotted chip breaker is consistent with the curvature of elbow cylindrical; Described fastener comprises U-shaped plate and trip bolt, and U-shaped plate comprises left side, right side and middle interconnecting piece; Described left side can be arranged on described riser horizontally slidingly, and described right side is walked around riser and is arranged on above described deep-slotted chip breaker; Described right side is provided with tapped through hole, and trip bolt is threaded with right side by this tapped through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326005.8A CN104942413A (en) | 2015-06-16 | 2015-06-16 | Butt weld elbow automatic arc-submerging welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326005.8A CN104942413A (en) | 2015-06-16 | 2015-06-16 | Butt weld elbow automatic arc-submerging welder |
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| Publication Number | Publication Date |
|---|---|
| CN104942413A true CN104942413A (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510326005.8A Pending CN104942413A (en) | 2015-06-16 | 2015-06-16 | Butt weld elbow automatic arc-submerging welder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422066A (en) * | 2017-02-15 | 2018-08-21 | 东管重工(沈阳)有限公司 | Big specification heavy wall has seam elbow automatic welding device |
| CN109807537A (en) * | 2018-12-24 | 2019-05-28 | 西安航天动力机械有限公司 | A kind of precision assembly welding tooling of microwave transmission pipeline |
| CN112846465A (en) * | 2021-01-07 | 2021-05-28 | 张宁宁 | Submerged arc welding device for seamed elbow |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201168854Y (en) * | 2007-12-03 | 2008-12-24 | 刘学成 | Butt weld elbow welding machine |
| CN101780582A (en) * | 2009-01-20 | 2010-07-21 | 机械科学研究院哈尔滨焊接研究所 | Automatic surfacing device of inner wall anticorrosion layer of 90-degree bent pipe and automatic surfacing method thereof |
| CN102350567A (en) * | 2011-09-26 | 2012-02-15 | 中国第一重型机械股份公司 | TIG (Tungsten Inert Gas) automatic overlay-welding device for all circumferential positions on inner surface of 90-degree bent pipe and welding method thereof |
| CN102632346A (en) * | 2012-04-25 | 2012-08-15 | 山东博润工业技术股份有限公司 | Automatic overlay welding device for inner wall of engineering elbow |
| CN203209831U (en) * | 2013-01-30 | 2013-09-25 | 宁波天翼石化重型设备制造有限公司 | 90-degree equal-diameter elbow inner-wall built-up welding device |
| CN204686256U (en) * | 2015-06-16 | 2015-10-07 | 沧州隆泰迪管道科技有限公司 | Butt-welding elbow automatic submerged arc welding machine |
-
2015
- 2015-06-16 CN CN201510326005.8A patent/CN104942413A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201168854Y (en) * | 2007-12-03 | 2008-12-24 | 刘学成 | Butt weld elbow welding machine |
| CN101780582A (en) * | 2009-01-20 | 2010-07-21 | 机械科学研究院哈尔滨焊接研究所 | Automatic surfacing device of inner wall anticorrosion layer of 90-degree bent pipe and automatic surfacing method thereof |
| CN102350567A (en) * | 2011-09-26 | 2012-02-15 | 中国第一重型机械股份公司 | TIG (Tungsten Inert Gas) automatic overlay-welding device for all circumferential positions on inner surface of 90-degree bent pipe and welding method thereof |
| CN102632346A (en) * | 2012-04-25 | 2012-08-15 | 山东博润工业技术股份有限公司 | Automatic overlay welding device for inner wall of engineering elbow |
| CN203209831U (en) * | 2013-01-30 | 2013-09-25 | 宁波天翼石化重型设备制造有限公司 | 90-degree equal-diameter elbow inner-wall built-up welding device |
| CN204686256U (en) * | 2015-06-16 | 2015-10-07 | 沧州隆泰迪管道科技有限公司 | Butt-welding elbow automatic submerged arc welding machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422066A (en) * | 2017-02-15 | 2018-08-21 | 东管重工(沈阳)有限公司 | Big specification heavy wall has seam elbow automatic welding device |
| CN109807537A (en) * | 2018-12-24 | 2019-05-28 | 西安航天动力机械有限公司 | A kind of precision assembly welding tooling of microwave transmission pipeline |
| CN112846465A (en) * | 2021-01-07 | 2021-05-28 | 张宁宁 | Submerged arc welding device for seamed elbow |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150930 |