CN106312258A - Automatic welding machine special for waterproof casing pipe and pipeline accessories - Google Patents
Automatic welding machine special for waterproof casing pipe and pipeline accessories Download PDFInfo
- Publication number
- CN106312258A CN106312258A CN201510347439.6A CN201510347439A CN106312258A CN 106312258 A CN106312258 A CN 106312258A CN 201510347439 A CN201510347439 A CN 201510347439A CN 106312258 A CN106312258 A CN 106312258A
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- CN
- China
- Prior art keywords
- welding
- mould
- pipe
- cylinder
- flange
- 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.)
- Pending
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Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
-
- 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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- 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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/127—Means for tracking lines during arc welding or cutting
- B23K9/1272—Geometry oriented, e.g. beam optical trading
- B23K9/1278—Using mechanical means
-
- 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
- B23K9/16—Arc welding or cutting making use of shielding gas
Abstract
The invention provides a welding machine special for automatically welding a waterproof casing pipe and pipeline accessories. In the traditional waterproof casing pipe and casing pipe accessory welding process at present, manual welding is adopted and has the main problems that the welding speed is low, weld joints are not uniform, and the welding cost is high. In traditional welding, the pipe needs to be firstly sleeved with a middle flange plate manually, and after spot welding, a lower plate, the middle plate and an upper plate are welded; in the middle flange plate sleeving process, a ruler needs to be used by workers for calibration; and the welding height of the middle flange plate is not uniform and not consistent through the process, the traditional process is complex in welding, and a large number of manpower is wasted. An upper mold is driven by controlling an upper air cylinder through a programmable logic controller (PLC) and cooperates with a lower mold and an inner supporting mold to round the pipe, the position of the middle flange plate is fixed through a lower air cylinder, and finally three carbon-dioxide arc welding machines are used for welding. Meanwhile, the welding machine can weld casing pipe accessories of rigid casing pipes and the like, and further has the functions of welding corrugated expansion joints and the like.
Description
Technical field
Patent of the present invention provides a kind of automatic welding water string and the welding machine special of pipe fitting; control upper cylinder by programmable logic controller (PLC) (PLC) drive mold and coordinate lower mold to be held round by pipe with internal stay mould; and utilize lower cylinder mounting flange mid-game position, finally by three carbon-dioxide arc welding welder.Meanwhile, the present invention can also weld the casing fittings such as rigid casing, also has the functions such as welding bellows compensator.Belong to automatically control, the field such as industrial welding.
Background technology
Water string is again wall bushing, wall pipe.Soft waterproof casing applies in general to pipeline and receives vibration or have the structures of tight waterproof requirement, after sleeve portion machines, at the equal priming of its outer wall one time (priming paint includes Plumbum preparatium or adhesive bitument primer) in place of wall.Water string is divided into rigid waterproof sleeve and soft waterproof casing.The place that both mainly use is different, and the exigent places such as soft waterproof casing is used primarily in people's air defense wall, pond, rigid waterproof sleeve is commonly used in the pipelines such as basement and needs the position in poling road.
In the welding process of the most traditional water string and casing fitting, all using human weld, human weld mainly has speed of welding slow, the problems such as weld seam is uneven, and welding cost is higher.Traditional welding needs manually first flange mid-game to be enclosed within pipe, after point welds, lower wall mid-game and upper dish is welded again with this, need manually to use straightness calibration during set flange mid-game, this process can cause flange mid-game welding and assembling height disunity, inconsistent, and traditional handicraft welding is loaded down with trivial details, wastes a large amount of artificial.
Summary of the invention
Present invention aim at providing a kind of full automatic welding equipment, replace the high cost of human weld, the conventional welding process of high manpower.By using PLC control system, air compressor machine, cylinder, pneumatic reversing solenoid valve, air relief valve, buncher, support, it is characterized in driving mold by upper cylinder and coordinating lower mold to make pipe hold round with internal stay mould, flange mid-game is moved to specify position by lower cylinder and mechanical hand, then make welding gun advance welding position by cylinder at welding gun, then weld.After having welded a circle, welding machine is automatically stopped welding.
In order to reach said welding method, the present invention is made up of Machinery Control System and electric control system two parts.Wherein, Machinery Control System is divided into main equipment and mould two parts.Main equipment includes the part compositions such as equipment runing rest, plant bottom case rotating disk, mechanical hand, welding gun support, and mould is to make pipe hold round, convenient welding.Main equipment mating mold, flange lower wall is first placed in the lower mold on rotating disk by work, then pipe is enclosed within internal stay mould, is placed on flange lower wall, flange mid-game is overlapped on a robotic arm, upper cylinder drives and presses under tapered mold, being held round by pipe, mid-game is pulled down to specify welding position, then upper cylinder half liter by lower cylinder driving mechanical hands, upper dish is placed on pipe, presses down.Action complete after at welding gun cylinder drive welding gun to turn to weld, at equipment rotation, driven by motor equipment rotates, after rotating 1/4th, at rotation, under the sensing of proximity switch, equipment rotates stopping, then welding, after having welded a circle, equipment upset resets, after rotating 1/4th, at reset, under the sensing of proximity switch, device reset rotates stopping.At welding gun, cylinder drives welding gun spinning reduction afterwards, and mechanical hand struts, and upper cylinder rises, and welding completes.Die size 2-3mm less than sleeve pipe ips, mould inner wall becomes certain taper, when pressing under upper cylinder drives tapered mold, coordinates with the tapered lower mold at rotating disk and makes internal stay mould strut under the effect of the pressure, held round by pipe.
During corrugated expansion joint welding, first by flange and corrugated tube on internal stay mould by corrugated tube and flange stretching, internal stay mould is six lobes.After stretching, corrugated tube is put on equipment together with flange, upper and lower and left and right fixed wheel fixing under, welding gun is firm with bellows-welding by flange along flange periphery, completes the welding of corrugated expansion joint.
The elements such as electric control system is mainly programmable logic controller (PLC) (PLC) control system, coordinates air-operated solenoid valve, proximity switch, photosensitive resistance sensor, touch screen complete above-mentioned action.Whether photosensitive resistance sensor occurs that tip blocks not wire vent when detection two guarantor's welder, causes solder skip occur during welding.When welding normal, two protect the photostimulation photosensitive resistance sensor sent at welding machine welding gun works, and relay conducting makes welding proceed；When occurring the situations such as welding gun mouth blocks when soldered, two protect welding machine welding gun does not welds, and does not now have light source, photosensitive resistance sensor to can't accept light source, and relay is not turned on, and makes welding stop, and plays the function of detection automatically with this.
The present invention uses automatic control system, controls cylinder by PLC, drives mold, and coordinates internal stay mould with lower mold, completes set and lives.Weld finally by welding gun, photosensitive resistance sensor detection light source, complete welding.This invention the most also has welding differential and the function of rigid casing.
Accompanying drawing explanation
Accompanying drawing 1 is automatic welder(welding machine) structural representation.
Accompanying drawing 2 is robot manipulator structure schematic diagram.
Accompanying drawing 3 is gun rack structural representation.
Accompanying drawing 4 is upper/lower die and internal stay mould structure schematic diagram.
Accompanying drawing 5 is mould and sleeve pipe pipe, flange schematic diagram.
Accompanying drawing 6 is welding gun Guiding wheel structure schematic diagram.
Accompanying drawing 7 is corrugated tube internal stay mould schematic diagram.
Accompanying drawing 8 is bellows-welding welding gun and guide wheel schematic diagram.
Detailed description of the invention
Be expanded on further below in conjunction with the accompanying drawings this bady invention be embodied as, operation principle.
Such as Fig. 1, to control at 0.6-0.7MPa by the air pressure one of air compressor by two choke valves, for upper and lower two cylinders, another controls at 0.4-0.5MPa, for cylinder at cylinder at mechanical hand and welding gun support, control four cylinders respectively by four air-operated solenoid valves.Drive equipment to rotate by three phase electric machine, and make it stop by two proximity switches.In work, first flange lower wall is put into lower mold, retell pipe to be placed on lower wall together with internal stay mould, flange mid-game being overlapped on a robotic arm, then press under upper cylinder and held round by pipe, lower cylinder drives flange mid-game to arrive tube center position afterwards, then upper cylinder liter, dish on flange is placed on pipe, presses under upper cylinder afterwards, pipe is nuzzled with flange.At welding gun, cylinder drives gun rack to advance, and makes guide wheel withstand on pipe and flange.Driven by motor equipment rotates, and after stopping, reducing motor drives turntable rotation, and welding machine welds.After having welded a circle, rotating disk stops, equipment spinning reduction.At welding gun, cylinder drives gun rack to leave weld, and mechanical hand struts, and upper cylinder drives mold to rise, and lower cylinder driving mechanical rises on hand, and welding completes.
Such as the robot manipulator structure schematic diagram that Fig. 2 is bady invention, the both sides having a two-way cylinder driving mechanical hands carry out opening and closing, first according to the external diameter size of mid-game flange before using, by being adjusted at joint in figure 1,2,3, adjust to corresponding size.Wear the leading screw of a 20mm at mechanical hand 4, determined the height of mid-game flange by screw, and be connected with lower cylinder, carry out the rise and fall of driving mechanical hands.During work, shunk by two-way cylinder and mechanical hand is opened and the operation of Guan Bi.
If Fig. 3 is gun rack structural representation, with the SC Standard Cylinder that stroke is 700mm, being fixed on shown in figure 1 on equipment, during cylinder interior ventilation, in cylinder axis band cardon, 1 and 2 move, and make welding gun axle rotate, thus reach the requirement of welding gun forward-reverse.
It is sleeve pipe upper/lower die and internal stay mould structure such as Fig. 4, Fig. 5 and mould is combined schematic diagram with pipe, flange, internal stay mould is divided into three lobes, mold is connected on upper cylinder, lower mold is fixed on rotating disk, internal stay mould external diameter is identical with ips, internal stay mould is divided into three lobes, and the arc length every petal being had reduces 3-4mm so that it is less than warp in pipe after contraction.During work, flange lower wall is placed in lower mold, pipe is enclosed within internal stay mould, presses under upper cylinder, by the effect of upper/lower die, internal stay mould is strutted, making pipe hold round, mechanical arm drives flange mid-game to arrive in the middle of pipe, and upper cylinder rises, upper dish is placed on pipe, by ring flange fixation after lower pressure.
If Fig. 6 is welding gun Guiding wheel structure schematic diagram, welding gun Guiding wheel structure is that middle concave both sides are protruded, the both sides protruded are while resisting on pipe, another side resists on ring flange, the two torch head positions protecting weldering are fixed on the weld of ring flange and pipe, and during welding, guide wheel rotates with flange along with pipe, make welding gun walk along with weld, complete welding job.
If Fig. 7 is corrugated tube internal stay mould schematic diagram, bellow mold is divided into six lobes, is fixed on base disk by screw and rubber ring in bottom so that it is can slide on disk.Pulling pin in figure to make it up and down by hydraulic cylinder, when pin is downward, six petals tools extend out along with the slideway on disk, make mould support big, by corrugated tube stretching on ring flange, when pin upwards time, six petals tools shrink under the elastic force effect of rubber ring.
If Fig. 8 is bellows-welding welding gun and guide wheel schematic diagram, during bellows-welding, on ring flange, rolls fixing welding gun height by the guide wheel that stretches up and down, on ring flange inwall, roll, by the left and right guide wheel that stretches, the distance fixing welding gun from ring flange.Fixed the position of welding gun during welding by two guide wheels, make welding gun all the time along the distance welding equal with flange, make even weld smooth.
Claims (5)
1. water string based on programmable logic controller (PLC) (PLC), a casing fitting automatic welding machine special equipment, by using PLC to control
System, air compressor machine, cylinder, pneumatic reversing solenoid valve, air relief valve, buncher, support, be characterized in driving mold by upper cylinder and joining
Closing lower mold makes pipe hold round with internal stay mould, and flange mid-game is moved to specify position by lower cylinder and mechanical hand, then makes weldering by cylinder at welding gun
Rifle advance welding position, then welds.After having welded a circle, welding machine is automatically stopped welding.Have saving artificial, cost-effective, carry
The advantages such as high workload efficiency, including:
1) for the mould by the pipe stretching of water string；
2) whether the device that torch head blocking causes welding to stop occurs in time detecting welder；
3) for the mould by the corrugated tube of corrugated expansion joint with flange stretching；
4) device of welding torch position is fixed time for fixing corrugated expansion joint welding.
2. according to claim 1 and water string internal stay mould, it is characterised in that: it is the size being equal to ips by Design of Dies, by it
It is divided into three lobes and deducts 3-4mm in every lobe so that it is be less than sleeve pipe ips after contraction, facilitating pipe to pack in internal stay mould.Pass through cylinder
Drive and press under mold, coordinate lower mold to make internal stay mould strut, pipe is held round.
3. detection device when welding according to claim 1 and water string, select photosensitive resistance sensor has light detection module, and its feature exists
In: when soldered, the light that welding sends is detected by a sensor, and relay turns on, and makes equipment properly functioning.When welding gun blocking occurs, lacks weldering
During the situations such as silk, abnormal welding, sensor can't detect light source, and equipment stops.After repairing, equipment can be made to continue by SR properly functioning.
4. according to claim 1 and the mould of corrugated expansion joint, it is characterised in that: it is the size being equal to flange inner diameter by Design of Dies, point
It is six lobes and in every lobe, deducts 3-4mm that mold center's journey one tapering makes six lobes by the pin of a band tapering under the drop-down effect of hydraulic cylinder
Mould struts, and when hydraulic cylinder rises, is closed by mould by a root rubber circle below mould.
5. according to claims 1 and corrugated expansion joint welding gun guide wheel, it is characterised in that by the telescopic guide wheel that two is 90 °, respectively
Being fixed on ring flange upper wall and flange inner wall, make welding gun walk along ring flange during welding, fixing welding torch position is ignorant of, it is ensured that during welding, weld seam is equal
Even attractive in appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347439.6A CN106312258A (en) | 2015-06-23 | 2015-06-23 | Automatic welding machine special for waterproof casing pipe and pipeline accessories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347439.6A CN106312258A (en) | 2015-06-23 | 2015-06-23 | Automatic welding machine special for waterproof casing pipe and pipeline accessories |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106312258A true CN106312258A (en) | 2017-01-11 |
Family
ID=57728907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510347439.6A Pending CN106312258A (en) | 2015-06-23 | 2015-06-23 | Automatic welding machine special for waterproof casing pipe and pipeline accessories |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106312258A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127254A (en) * | 2017-12-07 | 2018-06-08 | 苏州迅镭激光科技有限公司 | A kind of pump housing automatic laser welding equipment |
| CN109004339A (en) * | 2018-06-26 | 2018-12-14 | 合肥聚能电物理高技术开发有限公司 | The production tooling and its manufacture craft of the Faraday shield of spiral wave antenna |
| CN110449695A (en) * | 2019-06-21 | 2019-11-15 | 江苏同力日升机械股份有限公司 | The flange welding technique that main shaft is rotated by 90 ° |
-
2015
- 2015-06-23 CN CN201510347439.6A patent/CN106312258A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127254A (en) * | 2017-12-07 | 2018-06-08 | 苏州迅镭激光科技有限公司 | A kind of pump housing automatic laser welding equipment |
| CN109004339A (en) * | 2018-06-26 | 2018-12-14 | 合肥聚能电物理高技术开发有限公司 | The production tooling and its manufacture craft of the Faraday shield of spiral wave antenna |
| CN110449695A (en) * | 2019-06-21 | 2019-11-15 | 江苏同力日升机械股份有限公司 | The flange welding technique that main shaft is rotated by 90 ° |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |
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| WD01 | Invention patent application deemed withdrawn after publication |