CN102000905A - Pin tube automatic set submerged arc welding set - Google Patents
Pin tube automatic set submerged arc welding set Download PDFInfo
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- CN102000905A CN102000905A CN 201010506113 CN201010506113A CN102000905A CN 102000905 A CN102000905 A CN 102000905A CN 201010506113 CN201010506113 CN 201010506113 CN 201010506113 A CN201010506113 A CN 201010506113A CN 102000905 A CN102000905 A CN 102000905A
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Abstract
The invention provides a pin tube automatic set submerged arc welding set which is characterized by comprising a pin automatic loading-unloading system, a welding system, an automatic pin delivering and centering mechanism and a programmable logic controller (PLC), wherein the PLC is connected with the automatic loading-unloading system, the welding system and the automatic pin delivering and centering mechanism; the functions of automatic nail feeding under air pressure, hydraulic centering, and automatic sending of fixed quantity of welding flux and the like are realized through using the welding set; in the control system, the PLC is mainly used as the main control device matched with a full-digital AC servo driver, so that the pin tube welding set can be used to realize accurate and effective full-automatic control in the welding process; and the welding set is suitable for automatic welding of large-diameter pins and large-diameter light tubes in shapes of cylinder, droplet and rhomboid, and overcomes the defects of arc pits, welding beading, bubbles and the like, the production efficiency is enhanced and the labor intensity is lowered. The invention has simple structure and is easy to manufacture.
Description
Technical field: the present invention relates to a kind of process equipment of the submerged-arc welding based on PLC technology and servo control technique, relate in particular to the automatic complete submerged arc welding device of a kind of studded tube, belong to the welding automatization technology field.
Background technology:
Studded tube is the main element in the heat exchanger of extensive use in the petrochemical industry machinery, and it is made up of the steel pipe and the ailhead on the surface of gathering.The welding method of studded tube employing at present mainly contains electric resistance welding, electric arc stud welding and submerged-arc welding.All adopt electric resistance welding method as patent 94228692.8,99253080.6; If any bibliographical information, Automatic Welding Machine for Pin Tube adopts the short period electric arc stud welding, and the energy-efficient welding machine of the full-automatic electric capacity energy storage of studded tube adopts electric arc stud welding.Studded tube submerged-arc welding is a kind of welding method that the electric arc that produces between ailhead and the light pipe is burnt under the submerged arc welding flux layer, there is document to introduce a kind of full-automatic studded tube automatic submerged-arc soldering equipment, this equipment has ailhead body automatic charging and centering, the ailhead automatic feed, solder flux is given automatically, and welding tractor is auto-feed radially, the axial auto-feed of studded tube, studded tube is out of shape from dynamic(al) correction, the automatic control of studded tube welding process and fault diagnosis and warning function.But at studded tube submerged-arc welding, in the production adopt manual operations, labor strength is big, operating mode is abominable more, the welding quality instability, especially send automatically nail, solder flux quantitatively give aspect automaticity lower.Therefore, how to realize the automation of studded tube welding process, enhancing productivity, improving working conditions has become the key technology of studded tube in making.
Summary of the invention:
The purpose of this invention is to provide the automatic complete submerged arc welding device of a kind of studded tube, adopt chuck mode rotation light pipe to move handpiece structure, air pressure drives goes up nail automatically, hydraulic-driven centering technology, the solder flux automatic ration is given, adopting PLC in the control is the major control device, and is furnished with Digital AC Servo Driver, makes this studded tube welding equipment can reach accurately effectively Automatic Control in welding process.The purpose of this invention is the problem that the existing automaticity of solder technology is low, production efficiency is low, welding quality is unstable, labour intensity is big and working condition is abominable that solves in the past.
Technical scheme: the present invention is achieved by the following technical solutions:
The automatic complete submerged arc welding device of a kind of studded tube is characterized in that: described equipment comprises ailhead automatic assembling and disassembling system, welding system, send nail and centering body and PLC controller automatically; Described PLC controller is with automatic assembling and disassembling system, welding system and send nail and centering body to be connected automatically; Described welding system and ailhead automatic assembling and disassembling system are arranged on the same side of sending nail and centering body automatically and can move axially along studded tube in use.
Described welding system and ailhead automatic assembling and disassembling system are arranged on the same side of sending nail and centering body automatically by welding head movably, welding head connects the head transmission system, the head transmission system is connected to first servomotor, and first servomotor is connected to the PLC controller by first servo-driver; Be connected with photoelectric encoder between the output of described first servomotor and first servo-driver; The both sides of the moving direction of described welding head are provided with left and right sides limit switch, and left and right sides limit switch is connected to the PLC controller.
Described ailhead automatic assembling and disassembling system is for sending the nail pallet body, and this mechanism mainly comprises auxiliary tray and first cylinder that is connected auxiliary tray; Described auxiliary tray is provided with and send nail motor and conveyer chain, conveyer chain by travelling gear be centered around auxiliary tray around, described conveyer chain is connected to the driven wheel on the motor; The position of the transfer path correspondence of the bottom of described auxiliary tray, conveyer chain is provided with out the nail hole, and the described nail motor that send is connected to the PLC controller; Described welding system comprises solder flux case, feeding motor, welding gun and goes out the solder flux mouth, and described solder flux case is connected to out the solder flux mouth by the solder flux pipeline, go out the solder flux mouth below be provided with four-cylinder, described feeding motor is arranged between solder flux pipeline and the solder flux case; Described welding gun connects the 5th cylinder, is provided with gangbar between described welding gun and the 5th cylinder, and gangbar is connected to the 3rd cylinder; Described welding gun is arranged on out the next door of solder flux mouth; Described feeding motor is connected to the PLC controller.
Described first cylinder, the 3rd cylinder, four-cylinder and the 5th cylinder all are connected one group separately not to be had bar side one-way throttle valve and bar side one-way throttle valve is arranged, no bar side one-way throttle valve and the parallel connection of bar side one-way throttle valve is arranged after be connected to magnetic valve jointly, magnetic valve is connected with air pump; Described magnetic valve is connected to the PLC controller.
Be provided with cylinder magnetic induction on described first cylinder, the 3rd cylinder and the four-cylinder and form switch, cylinder magnetic induction forms switch and is connected to the PLC controller.
Described studded tube send nail and centering body mainly to comprise two expansion chucks that can draw close mutually, oil cylinder, threephase asynchronous, gear pump and band drive automatically; Described oil cylinder is fixed on the support and is connected to gear pump, gear pump is connected with threephase asynchronous and fuel tank, the flexible end of oil cylinder is connected to a chuck by the jacking mechanism of the roller type that can move on support, another chuck is connected to the band drive by back-up block, and back-up block is fixed on the support; Described band drive is connected to second servomotor, and second servomotor is connected to the PLC controller by second servo-driver; Be connected with photoelectric encoder between the output of described second servomotor and second servo-driver; Described threephase asynchronous is connected to the PLC controller.
Described PLC controller is connected with guidance panel.
Advantageous effect: the invention provides the automatic complete buried arc stud welding of a kind of studded tube and connect equipment, this equipment adopts chuck mode rotation light pipe to move handpiece structure, have air pressure and go up nail automatically, hydraulic pressure centering, the solder flux automatic ration such as gives at function, and that this method is applicable to is cylindrical, drip the welding of major diameter ailhead such as shape, rhombus and major diameter light pipe.Adopting PLC simultaneously is the major control device, and is furnished with Digital AC Servo Driver, makes this studded tube welding equipment can reach accurately effectively Automatic Control in welding process.
In the design of the mechanical part of apparatus of the present invention: the servomotor of employing is accurately controlled head and parent tube, is furnished with the semiclosed loop feedback of encoder simultaneously; Advance the nailing machine structure and adopt the semi-automatic conveying pin structure of chain type blade, designed the automatic ration solder flux simultaneously and given system; Automatic welding head adopts two cylinder linkage structures; Different operating condition and form at the pneumatic apparatus in this equipment have designed pneumatic circuit, and determine the parameter specification of each element of pneumatic circuit according to driving load and needed movement velocity.Designed system, comprised the design of hardware components and software section, adopted PLC and Digital AC Servo Driver and photoelectric encoder to form the dual position control system of a high-precision angle and displacement based on the electrical control of PLC.
This device can be controlled weld interval accurately, guarantee striking 0.7s, pressurize at 0.3s, send solder flux under 0.5s, to finish, guaranteeing that speed of welding reaches 20-22/minute under the stable prerequisite of welding parameter, and overcoming the generation of weld defects such as slag inclusion, overlap, pore.Send bright cylindrical, as to drip major diameter ailhead such as shape, rhombus and the major diameter light pipe welding that is applicable to elsewhere.
Concrete advantage of the present invention: the frame for movement of 1 design adopts air pressure to drive and goes up nail, and hydraulic-driven centering technology is different from the thought that in the past adopts the general NC Machine Tool design, novel structure.2 have realized that the solder flux automatic ration gives.That 3 these methods are applicable to is cylindrical, drip the welding of major diameter ailhead such as shape, rhombus and major diameter light pipe.
Description of drawings:
Fig. 1 is an overall construction drawing of the present invention;
Fig. 2 send the structure chart of nail and centering body automatically for studded tube of the present invention;
Fig. 3 is the structure chart of ailhead automatic assembling and disassembling system of the present invention;
Fig. 4 is the two cylinder linkage structure schematic diagrames that connect welding gun in the welding system of the present invention;
Fig. 5 gives the structural representation of system for the solder flux automatic ration that connects the solder flux mouth in the welding system of the present invention;
Fig. 6 is the pneumatic circuit figure of executive component of the present invention;
Fig. 7 is an integrally-built control flow block diagram of the present invention;
Fig. 8 is the peripheral wiring diagram of PLC controller of the present invention;
Fig. 9 is a guidance panel design drawing of the present invention;
Figure 10 is a system of the present invention main circuit diagram;
Figure 11 becomes key diagram for the structural group of employing servo-drive system of the present invention.
The specific embodiment: the present invention is described further below in conjunction with accompanying drawing:
In Fig. 1-11,1 auxiliary tray, 2 conveyer chains, 3 send the nail motor, 4 travelling gears, 5 go out to follow closely the hole, 6 solder flux casees, and 7 send the agent motor, 8 welding guns, 9 go out the solder flux mouth, 10 solder flux pipelines, 11 four-cylinders, 12 the 5th cylinders, 13 the 3rd cylinders, 15 oil cylinders, 16 jacking mechanisms, 17 expansion chucks, 18 back-up blocks, 19 band drives, fuel tank 20,21 supports, 22 second servomotors, 23 second servo-drivers, 24 first servomotors, 25 welding heads, 26 head transmission systems.27 first cylinders, 29 studded tubes.
As shown in Figure 1, the invention provides the automatic complete submerged arc welding device of a kind of studded tube, described equipment comprises that ailhead automatic assembling and disassembling system, welding system, studded tube send nail and centering body, solder flux automatic ration to give mechanism and PLC controller automatically; Described PLC controller send nail and centering body to be connected with automatic assembling and disassembling system, welding system and studded tube automatically; Described welding system and ailhead automatic assembling and disassembling system are arranged on studded tube and send the same side of nail and centering body also can move axially along studded tube when in use automatically.
Described welding system and ailhead automatic assembling and disassembling system are arranged on the same side of sending nail and centering body automatically by welding head 25 movably, as shown in figure 11, welding head 25 is connected to head transmission system 26, head transmission system 26 is connected to first servomotor, 24, the first servomotors 24 and is connected to the PLC controller by first servo-driver; Be connected with photoelectric encoder between the output of described first servomotor 24 and first servo-driver; The both sides of the moving direction of described welding head 25 are provided with left and right sides limit switch, and left and right sides limit switch is connected to the PLC controller, thereby guarantee that welding system and ailhead automatic assembling and disassembling system when in use can axially accurately moving along the top pipe.
As shown in Figure 3, described ailhead automatic assembling and disassembling system is for sending the nail pallet body, and this mechanism mainly comprises auxiliary tray 1 and first cylinder 27 that is connected auxiliary tray; Described auxiliary tray 1 is provided with and send nail motor 3 and conveyer chain 2, conveyer chain 2 by travelling gear 4 be centered around auxiliary tray 1 around, described conveyer chain 2 is connected to the driven wheel that send on the nail motor 3, so the rotation by motor 3 just can drive conveyer chain 2 transmissions, thereby drives the ailhead transmission; The position of the transfer path correspondence of the bottom of described auxiliary tray 1, conveyer chain 2 is provided with out nail hole 5, so when conveyer chain 2 is delivered to out 5 top positions, nail hole with ailhead, will go out nail automatically; The described nail motor 3 that send is connected to the PLC controller; Described welding system comprises solder flux case 6, feeding motor 7, welding gun 8 and goes out solder flux mouth 9, described solder flux case 6 is connected to out solder flux mouth 9 by solder flux pipeline 10, go out solder flux mouth 9 below be provided with four-cylinder 11, described feeding motor 7 is arranged between solder flux pipeline 10 and the solder flux case 6, be used for controlling the switching of solder flux case 6, to reach the purpose of control feeding; Connect the 5th cylinder 12 on the described welding gun 8, be provided with gangbar between described welding gun 8 and the 5th cylinder 12, gangbar also is connected to the 3rd cylinder 13; This place utilizes two cylinder linkage manner to finish functional requirement, with same gangbar, makes gangbar can drive welding head and moves to same direction.Described welding gun 8 is arranged on out the next door of solder flux mouth 9, so just can realize the purpose of welding synchronously; Described feeding motor 7 is connected to the PLC controller.Also comprise the solder flux proportioning device in the welding system.Feeding motor 7 forms the autofeed device.What this system mainly finished is to welding process auto-feed solder flux, quantitatively provides simultaneously.
Auxiliary tray 1 is for depositing ailhead usefulness, and convenient manually ailhead being put puts in place.Sending nail motor 2 mainly is to drive driving wheel conveyer chain 2 is passed in gyration, and its gearratio 1: 20～1: 50 satisfies the efficient requirement of producing fully.The 27 main effects of first cylinder are auxiliary tray 1 to be pushed put in place, provide favourable upward nail position and release to reset, and abdicate the welding position.
As shown in Figure 6, described first cylinder 2, the 3rd cylinder 13, four-cylinder 11 all are connected no bar side one-way throttle valve separately and bar side one-way throttle valve are arranged with the 5th cylinder 12, no bar side one-way throttle valve and the parallel connection of bar side one-way throttle valve is arranged after be connected to magnetic valve jointly, magnetic valve is connected with air pump; Described magnetic valve is connected to the PLC controller.
Be provided with cylinder magnetic induction on described first cylinder 2, the 3rd cylinder 13 and the four-cylinder 11 and form switch, cylinder magnetic induction forms switch and is connected to the PLC controller, and cylinder magnetic induction forms switch will be sent to the cylinder location signal PLC controller.
As shown in Figure 2, described studded tube send nail and centering body mainly to comprise two expansion chucks that can draw close mutually 17, oil cylinder 15, threephase asynchronous, gear pump and band drive 19 automatically; Described oil cylinder 15 is fixed on the support 21 and is connected to gear pump, gear pump is connected with threephase asynchronous and fuel tank 20, the flexible end of oil cylinder 15 is by being connected on one of them chuck 17 in the jacking mechanism 16 of the roller type that moves on the support 21, another chuck 17 is connected to band drive 19 by back-up block 18, and back-up block 18 is fixed on the support 21; What this equipment adopted is the jacking mechanism of roller type, and promptly roller rolls on the shaped steel face of lathe bed and output moves axially.The rail plate motion mode that so just discards tradition, become and slide to rolling, frictional force significantly reduces when making motion, its operation principle is exactly to drive oil cylinder 15 by threephase asynchronous and gear pump to stretch, make one of them chuck 17 of jacking mechanism urges of roller type move, thereby clamped location is managed in the top between two chucks 17, be connected to the PLC controller by second servo-driver 23 and described band drive 19 is connected to second servomotor, 22, the second servomotors 22; Be connected with photoelectric encoder between the output of described second servomotor 22 and second servo-driver 23; Described threephase asynchronous is connected to the PLC controller; Thereby the PLC controller is controlled second servomotor 22 and is driven 29 rotations of band drive 19 rotation drive studded tubes like this, realizes welding process.
Chuck 17 is higher scroll chucks of employed centering precision in the lathe, the principle of scroll chuck is to rotate bevel gear by the slide block that oil cylinder promotes on the chuck, bevel gear drives the planar rectangular screw thread, driving three-jaw then entad moves, because the pitch of planar rectangular screw thread equates, so the three-jaw move distance equates that self centering effect is arranged.The operation principle of oild chuck mainly is to rely on the interior pull bar of reciprocating motion drive spindle hole of the angling cylinder inner carrier that is contained in the main shaft afterbody that power is passed to oild chuck.And then the sector gear by chuck inside promotes the tooth bar at claw back, claw radially moved workpiece is stepped up.When desire is loosened workpiece, the motion of the piston reverses direction in the angling cylinder just, transmission principle is the same.
As shown in Figure 6, compressed air is through T connector, the magnetic valve YV5 of leading up to directly gives first cylinder, one the tunnel gives second cylinder, the 3rd cylinder 13, four-cylinder 11 and the 5th cylinder 12 respectively by magnetic valve YV1～YV4 respectively, and alphabetical A, B, C and D are represented among the figure is respectively second cylinder, the 3rd cylinder 13, four-cylinder 11 and the 5th cylinder 12.
The control that studded tube welds automatically is by Programmable Logic Controller PLC, button, 2 limit switches, 3 cylinder magnetic induction travel switches, contactor, relay, 2 AC servo motors and the servo-driver that is complementary with it, a threephase asynchronous, 2 single-phase capacitor operation asyn. motors (feeding motor 7 and send nail motor 3) are formed.
As shown in Figure 8, the power supply of PLC is provided by the dragging system main circuit power, and the input signal power supply of PLC is provided by the built-in subscriber switch state-detection of PLC power supply (24Vdc).Because the sensor selected for use is the NPN type, promptly is set to leakage type input mode, so the S/S terminal on the PLC terminal row is linked to each other with+24V terminal.And the output driving power of PLC is provided+24Vdc by the Switching Power Supply that adds.Wherein the connection of sensor is simplified to as shown in the figure, and actual should be 3 lines, meets 24V respectively, the input terminal of 0V and PLC.
On described PLC controller, be connected with guidance panel.Guidance panel as shown in Figure 9.
The design of guidance panel belongs to the hardware design of control system, and it is the input equipment of PLC, and the action of button directly is connected with the input point of PLC.Connect the use and the processing request of equipment according to the automatic complete buried arc stud welding of studded tube, its guidance panel design is seen shown in Figure 9:
The main circuit diagram of hardware system such as Figure 10, the QF1 air switch, the SB1 stop button, SB2 start button, HL are power supply indicator.M1 is a hydraulic system motor threephase asynchronous just, DRV1 and DRV2 are motor servo driver and are the servomotor power supply, SM1 and SM2 are the AC servo drive motors, M2 is for sending solder flux mechanism motor feeding motor 7 just automatically, M3 is for sending nail motor 3, the dc source that drives the PLC load is the 24VDC electric current that provides by Switching Power Supply, and the power supply of PLC is an alternating current 220V.
As shown in figure 11, two permanent magnetic Ac servo motors are arranged in this servo-drive system, they select the band reductor for use, utilize machine driving to finish its corresponding action.
This invention when in use, by guidance panel control PLC controller, with control welding system and ailhead automatic assembling and disassembling system moving axially along studded tube, the ailhead automatic assembling and disassembling system also provides ailhead automatically under the effect of PLC controller, welding system is realized welding, and studded tube send nail and centering body to control the rotation of studded tube to realize comprehensive welding under the effect of PLC controller automatically, the fiber switch of control welding system and ailhead automatic assembling and disassembling system moving direction both sides, at any time direction of advance is carried out information gathering, and information transferred to the PLC controller, to realize the accuracy of mobile route; Cylinder magnetic induction form switch then can be at any time with the feedback information of cylinder to the PLC controller, to realize accurate control to all cylinders.
Test and test result:
Adopt the automatic complete submerged arc welding device of studded tube of the present invention's development to carry out the studded tube soldering test.Experimental condition and parameter are as follows:
Studded tube basepipe materials: Q235;
Ailhead material: Q235;
Parent tube parameter: diameter of phi 219mm, wall thickness 10mm, length 5m, quality 425kg;
Nail dimension: diameter 12mm, length 25mm;
Table 1 experiment condition and parameter
Table 2 rate of deposition measurement result
Show that by test sending exposed installation elsewhere, to be equipped with institute's ailhead that weld qualified, equipment moves normally.
Claims (7)
1. automatic complete submerged arc welding device of studded tube is characterized in that: described equipment comprises ailhead automatic assembling and disassembling system, welding system, send nail and centering body and PLC controller automatically; Described PLC controller is with automatic assembling and disassembling system, welding system and send nail and centering body to be connected automatically; Described welding system and ailhead automatic assembling and disassembling system be arranged on send nail and centering body automatically watch a side and can moving axially along studded tube in use.
2. the automatic complete submerged arc welding device of studded tube according to claim 1, it is characterized in that: described welding system and ailhead automatic assembling and disassembling system are arranged on the same side of sending nail and centering body automatically by welding head (25) movably, welding head (25) connects head transmission system (26), the head transmission system is connected to first servomotor (24), and first servomotor (24) is connected to the PLC controller by first servo-driver; Be connected with photoelectric encoder between the output of described first servomotor (24) and first servo-driver; The both sides of the moving direction of described welding head (25) are provided with left and right sides limit switch, and left and right sides limit switch is connected to the PLC controller.
3. the automatic complete submerged arc welding device of studded tube according to claim 2 is characterized in that: described ailhead automatic assembling and disassembling system is for sending the nail pallet body, and this mechanism mainly comprises auxiliary tray (1) and first cylinder (27) that is connected auxiliary tray; Described auxiliary tray (1) is provided with and send nail motor (3) and conveyer chain (2), conveyer chain (2) by travelling gear (4) be centered around auxiliary tray (1) around, described conveyer chain (2) is connected to the driven wheel on the motor (3); The position of the transfer path correspondence of the bottom of described auxiliary tray (1), conveyer chain (2) is provided with out nail hole (5), and the described nail motor (3) that send is connected to the PLC controller; Described welding system comprises solder flux case (6), feeding motor (7), welding gun (8) and goes out solder flux mouth (9), described solder flux case (6) is connected to out solder flux mouth (9) by solder flux pipeline (10), be provided with four-cylinder (11) in the below that goes out solder flux mouth (9), described feeding motor (7) is arranged between solder flux pipeline (10) and the solder flux case (6); Described welding gun (8) connects the 5th cylinder (12), is provided with gangbar between described welding gun (8) and the 5th cylinder (12), and gangbar is connected to the 3rd cylinder (13); Described welding gun (8) is arranged on out the next door of solder flux mouth (9); Described feeding motor (7) is connected to the PLC controller.
4. the automatic complete submerged arc welding device of studded tube according to claim 3, it is characterized in that: described first cylinder (27), the 3rd cylinder (13), four-cylinder (11) and the 5th cylinder (12) all are connected one group separately not to be had bar side one-way throttle valve and bar side one-way throttle valve is arranged, no bar side one-way throttle valve and the parallel connection of bar side one-way throttle valve is arranged after be connected to magnetic valve jointly, magnetic valve is connected with air pump; Described magnetic valve is connected to the PLC controller.
5. the automatic complete submerged arc welding device of studded tube according to claim 4, it is characterized in that: be provided with cylinder magnetic induction on described first cylinder (2), the 3rd cylinder (13) and the four-cylinder (11) and form switch, cylinder magnetic induction forms switch and is connected to the PLC controller.
6. the automatic complete submerged arc welding device of studded tube according to claim 1 is characterized in that: described studded tube send nail and centering body mainly to comprise two expansion chucks that can draw close mutually (17), oil cylinder (15), threephase asynchronous, gear pump and band drive (19) automatically; Described oil cylinder (15) is fixed on support (21) and goes up and be connected to gear pump, gear pump is connected with threephase asynchronous and fuel tank (20), the flexible end of oil cylinder (15) is by being connected to a chuck (17) in the jacking mechanism (16) of the last roller type that moves of support (21), another chuck (17) is connected to band drive (19) by back-up block (18), and back-up block (18) is fixed on the support (21); Described band drive (19) is connected to second servomotor (22), and second servomotor (22) is connected to the PLC controller by second servo-driver (23); Be connected with photoelectric encoder between the output of described second servomotor (22) and second servo-driver (23); Described threephase asynchronous is connected to the PLC controller.
7. according to the automatic complete submerged arc welding device of any described studded tube in the claim 1 to 6, it is characterized in that: described PLC controller attended operation panel.
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| CN 201010506113 CN102000905A (en) | 2010-10-14 | 2010-10-14 | Pin tube automatic set submerged arc welding set |
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| CN 201010506113 CN102000905A (en) | 2010-10-14 | 2010-10-14 | Pin tube automatic set submerged arc welding set |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102909506A (en) * | 2012-11-02 | 2013-02-06 | 无锡华联科技集团有限公司 | Inverted walking mechanism of cantilever-type welding machine |
| CN103464874A (en) * | 2012-06-07 | 2013-12-25 | 常州阖闾换热器有限公司 | Semiautomatic argon arc welding equipment and semiautomatic argon arc welding method for aluminium heat exchanger |
| CN103831511A (en) * | 2012-11-22 | 2014-06-04 | 沈阳工业大学 | Automatic nail feeding mechanism for stud welding |
| CN104907660A (en) * | 2015-06-26 | 2015-09-16 | 江苏大学 | A PLC-based high frequency brazing machine with a stepping motor and a touch screen and a method for controlling the same |
| CN109773313A (en) * | 2019-03-14 | 2019-05-21 | 鞍山正发表面技术工程股份有限公司 | Intelligent quantification built-up welder solder flux charging gear and feeding method |
| CN111545945A (en) * | 2020-06-14 | 2020-08-18 | 林进卓 | Steel pipe welding system and welding process |
| CN112091384A (en) * | 2020-09-24 | 2020-12-18 | 哈尔滨科能熔敷科技有限公司 | Automatic welding machine for round tube heat-preservation nail |
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2010
- 2010-10-14 CN CN 201010506113 patent/CN102000905A/en active Pending
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464874A (en) * | 2012-06-07 | 2013-12-25 | 常州阖闾换热器有限公司 | Semiautomatic argon arc welding equipment and semiautomatic argon arc welding method for aluminium heat exchanger |
| CN102909506A (en) * | 2012-11-02 | 2013-02-06 | 无锡华联科技集团有限公司 | Inverted walking mechanism of cantilever-type welding machine |
| CN103831511A (en) * | 2012-11-22 | 2014-06-04 | 沈阳工业大学 | Automatic nail feeding mechanism for stud welding |
| CN103831511B (en) * | 2012-11-22 | 2016-04-06 | 沈阳工业大学 | A kind of arc stud welding automatic nail-feeding mechanism |
| CN104907660A (en) * | 2015-06-26 | 2015-09-16 | 江苏大学 | A PLC-based high frequency brazing machine with a stepping motor and a touch screen and a method for controlling the same |
| CN109773313A (en) * | 2019-03-14 | 2019-05-21 | 鞍山正发表面技术工程股份有限公司 | Intelligent quantification built-up welder solder flux charging gear and feeding method |
| CN109773313B (en) * | 2019-03-14 | 2023-11-07 | 鞍山正发表面技术工程股份有限公司 | Flux feeding device and feeding method for intelligent quantitative surfacing machine |
| CN111545945A (en) * | 2020-06-14 | 2020-08-18 | 林进卓 | Steel pipe welding system and welding process |
| CN112091384A (en) * | 2020-09-24 | 2020-12-18 | 哈尔滨科能熔敷科技有限公司 | Automatic welding machine for round tube heat-preservation nail |
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Application publication date: 20110406 |