CN207119884U - A kind of system that tie pole is welded using arc pulling type arc stud welding - Google Patents
A kind of system that tie pole is welded using arc pulling type arc stud welding Download PDFInfo
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- CN207119884U CN207119884U CN201720601951.3U CN201720601951U CN207119884U CN 207119884 U CN207119884 U CN 207119884U CN 201720601951 U CN201720601951 U CN 201720601951U CN 207119884 U CN207119884 U CN 207119884U
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Abstract
It the utility model is related to welding technology field; disclose a kind of system that tie pole is welded using arc pulling type arc stud welding; including device power supply (DPS), equipment source of the gas, arc pulling type welding machine, protective gas conveying device, tie pole, welding workpiece, Hammering Test device, blanking cutter device and laser shooting location device; the device power supply (DPS) is connected with arc pulling type welding machine; the arc pulling type welding machine includes welding gun; tie pole is housed on the welding gun; the welding gun is vertical with welding workpiece surface, the center superposition in the binding rod end surface center of circle and binding boom end welding position；The equipment source of the gas is connected with protective gas conveying device, and the protective gas conveying device is used to convey protective gas in the weld of workpiece to be welded；The Hammering Test device is used to before and after welding do damage type hammering experiment；The blanking cutter device is used to cut tie pole.The utility model welding system realizes mechanization automatic welding, avoids artifact from influenceing.
Description
Technical field
Welding technology field is the utility model is related to, more particularly, to one kind using arc pulling type arc stud welding welding binding
The system of bar.
Background technology
Traction current transformation cabinet internal structure is related to electrical equipment wiring, and suitable wiring (such as electric wire selection is applied with cloth) can
To efficiently reduce interfering between interference and various cables of the external environment condition to signal, mobile unit operation is improved
Reliability, urban rail stainless steel cabinet often purchase the stainless round steel of welding (being usually ф 6 or ф 8) tie pole as circuit cloth
Binding is used when putting, and cable wiring needs to fix, typically fixed with band, and band is exactly that cable is tied up on tie pole.Binding
Bar design generally use metal material is such as：Stainless round steel or cold-drawn round steel, have to ensure cable in binding enough electric strong
Degree and mechanical strength.
Traditional tie pole welding welds (melting pole gas shielded arc welding) or TIG welderings (CO2 gases guarantor using MAG
Shield weldering) it is welded in skeleton warehouse, two is all high compared to MAG weldering welding efficiencies, and the wider model of application, MAG weldering protective gas is 80%
The mixed gas of Ar+20% carbon dioxide, but substantial amounts of splash can be produced in welding process, welding process deformation is big and welds
Quality is had a great influence by operation factor, and welding parameter WPS works out unreasonable tie pole welding root and easily stung
The defects of side, not prison welding are solid.So tie pole welds welding procedure with traditional MAG, also to increase the processes such as scarfing cinder, adjustment, no
Production efficiency is only influenceed, increases cost of manufacture, the outward appearance of product is had a greatly reduced quality.Particularly tie pole is broken and taken off in assembly site
Fall not only to influence client to produce to deliver, dynamic weldering process of rework is brought to electrical equipment has big potential safety hazard and risk.Product exists
Easily occur because failure welding causes tie pole to be broken, phenomena such as coming off when erecting yard assembles.Wanted because tie pole comes off
Again weld, had a strong impact on product quality and manufacturing schedule, assemble the dynamic weldering process of rework of electric cabinet to group in cabinet
There is also very big potential safety hazard for the electricity piece installed.Such as：The spark of welding process product easily burns out electric wire, welding process
Current Voltage easily burns out expensive electrical equipment, although and use TIG weldering welding fly chaff produce efficiency it is low,
Cost is high.
In addition, often using human weld's tie pole in the prior art, by operating personnel's technology restriction, can not ensure to weld
Quality；Plate shearing machine for blanking is often used when to tie pole blanking, causes binding rod end surface injustice to have woollen, influences welding effect
Fruit；The fixture of the welding gun of arc pulling type welding machine is closed, can not fix tie pole.
Therefore, to solve the defects of conventional bonding technique, it is necessary to be improved from welding procedure and welding equipment etc.
And innovation.Introduce a kind of welding equipment or welding manner gesture that both can guarantee that the reliable and can of welding quality stable and improved operating efficiency
It must go.
The content of the invention
The defects of technical problem that the utility model solves is directed to tie pole conventional bonding technique, creatively to arc pulling type
Stud welding technology is improved, and realizes arc pulling type stud welding technology being applied to welding tie pole, it is long-term to solve this area
Technological deficiency existing for the New technical use of ignorance and the welding of existing tie pole.In order to ensure arc pulling type stud welding in tie pole
On optimum efficiency, the utility model provides tie pole welding procedure by improvement to welding procedure.
In order to ensure the optimum efficiency of welding procedure, the utility model is also carried by the improvement to existing arc pulling type bonding machine
For the system using arc pulling type arc stud welding welding tie pole.
The purpose of this utility model is achieved through the following technical solutions：
A kind of tie pole welding procedure using arc pulling type stud welding is provided, using arc pulling type welding machine, including following step
Suddenly：
S1. start arc pulling type welding machine, the welding parameter of adjustment equipment, open protective gas；
S2. earth wire clamp is pressed from both sides, 2 points of two clamps and workpiece reduce concentric reducer into wire clamp；
S3. blanking is carried out to tie pole, then by the tie pole clamping after blanking on welding gun, adjusts arcing distance, branch
Frame bottom surface and tie pole end face distance are 5~6mm；
S4. weld：Binding rod end surface is smooth and lower beam vertical peripheral impulse- free robustness, is bonded with plate face, ensures the 90 of tie pole
Degree shaping, "+" instruction binding boom end welding position, semicircle instruction tie pole direction, welding gun is vertical with workpiece surface, tie pole
The end face center of circle and "+" center superposition, welding gun pipette tips and support can only contact with workpiece planarization, it is impossible to which other metalworks have with plate face
Phenomenon is touched, firmly flattening bracket end face downwards, to hold rifle motionless, is pulled with forefinger and button is welded on welding gun, complete welding；
Preferably, in addition to step S5. weld strength inspections.
The utility model creatively provides application of the arc pulling type stud welding in terms of tie pole welding.Arc pulling type welding machine
It is mainly used in the welding of stud socket cap weldering nail (without a head) and special-shaped nail, weld diameter is generally Φ 8-25mm, and binding rod-type
Number be usually between Φ 5-10, and be stainless round steel material, thus in order to by arc pulling type welding application on tie pole, it is necessary to
By carrying out above-mentioned improvement for technique.Step S1 welding parameters are according to the model of tie pole, diameter, Welder in this technique
The material of part, highly set；Protective gas uses mixed gas, prevents pad from aoxidizing well.Its short cycle
Welding can also not need protective gas.
Concrete principle is as follows：
1. tie pole is clamped in the clamper of welding gun during welding, welding gun is moved to welding position, tie pole by operator
Contacted with workpiece.
Disengaged 2. the magnetic force hoisting mechanism in welding gun rises tie pole with workpiece, controlling organization is simultaneously in tie pole
Apply a striking voltage between workpiece, electric arc is drawn between binding rod end surface and workpiece, electric arc makes binding rod end surface be melted with workpiece
Change.
3. as tie pole is thus lifted to the height of setting, the voltage between workpiece is added to weldingvoltage, and weld interval reaches
To preset time, weldingvoltage is cut off and the electromagnet of hoisting mechanism is de-energized simultaneously, spring mechanism of the tie pole in welding gun
The lower workpiece that immerses of elastic force effect melt the molten bath to be formed, tie pole extrudes operative liquid metal, molten pool metal crystallisation by cooling
Form the common jointing of tie pole and workpiece.
Further, step S1 also includes S11 welding preparations：Weld periphery 25mm scopes are cleared up, are done in test piece for welding
Workpiece test specimen and damage type Hammering Test, workpiece test specimen is qualified and periphery zero defect carries out subsequent step again, and then workpiece tries
On the part mark good date, preserve 15 working days.
Preferably, protective gas described in step S1 is Ar and O2, the output pressure of the protective gas is 15L/min.
Preferably, the Ar and O2Volume ratio be 98:2.
Further, blanking described in step S3 also includes determining needing to weld the position of rolling line bar to carry out laser marking
Position, it need to only be welded to there is its welding direction of the mark of welding direction, during welding according to mark location and direction, so as to
Realize batch production.
Preferably, blanking described in step S3 uses bar stock cutting by punching mould, compared with prior art using plate shearing machine for blanking, under
Expect that section injustice is jagged, influence welding effect, using mould punching blanking instead can solve the above problems.
Preferably, weld strength inspection described in step S5 uses following methods：
S51. visual examination：Visually inspect welding point.Answer pore-free, incomplete fusion and crack defect in joint；
S52. sound test：Welding tie pole can be tapped with hand hammer in process of production and carries out nondestructive inspection, through hammer
Hit the tie pole MIG or CO of inspection2Protection weldering carries out repair welding.
Preferably, welding parameter is as follows described in step S1：
A kind of system that tie pole is welded using arc pulling type arc stud welding, including device power supply (DPS), equipment source of the gas, arc pulling type are provided
Welding machine, protective gas conveying device, tie pole, welding workpiece, Hammering Test device, blanking cutter device and laser marking positioning
Device, the device power supply (DPS) are connected with arc pulling type welding machine, and the equipment source of the gas is connected with protective gas conveying device, the arcing
Formula welding machine includes welding gun, and tie pole is housed on the welding gun, and the welding gun is vertical with welding workpiece surface, the binding rod end surface
The center superposition in the center of circle and binding boom end welding position, the protective gas conveying device are used for the welding in workpiece to be welded
Place's conveying protective gas, the Hammering Test device are used to before and after welding do damage type hammering experiment, the blanking cutter device
For cutting tie pole, the laser shooting location device is used to determine needing to weld the position of rolling line bar to carry out laser marking
Position, to there is its welding direction of the mark of welding direction.
Preferably, the Hammering Test device includes torque spanner, sleeve and double nut, and the sleeve is located at tie pole
On, one end is fixed by double nut, and the other end is provided with torque spanner, and the torque spanner is located at binding rod port.
Preferably, the blanking cutter device uses bar stock cutting by punching mould, and the bar stock cutting by punching mould includes lathe, described
Lathe is provided with punching press platform, is provided with staking punch above the punching press platform, the punching press platform includes base and firm banking
Limited block, the base be provided with fluting be used for fix tie pole, be additionally provided with groove be used for staking punch cut tie pole.
Preferably, the welding gun also includes support, and the support is fixed in welding workpiece, the cradle bottom surface and binding
Rod end surface distance is 5~6mm.
Preferably, the arc pulling type welding machine also includes earth wire clamp, and 2 points of the earth wire clamp and workpiece are into wire clamp.
Preferably, the tie pole size is Ф 5, Ф 6, Ф 8 and Ф 10, and material is stainless steel.
Preferably, the parameter of the arc pulling type welding machine be tie pole hoisting depth be 50mm, welding current 720A, weldering
It is 20ms to connect the time.
Preferably, it is 98 that the protective gas conveying device, which provides volume ratio,:2 Ar and O2, controls the output pressure to be
15L/min.
Preferably, the protective gas conveying device is gas cylinder or protective gas supplies facility, the laser marking positioning
Device is laser cutting machine.
Preferably, the welding gun also includes fixture, and the fixture includes train wheel bridge, lower plate and regulation handle, it is described on
Clamping plate is hinged with lower plate, and coordinates regulation handle to control fixture opening degree.
Compared with prior art, the utility model has following beneficial effect：
The utility model is improved to arc pulling type stud welding technology, is creatively applied on tie pole, with
Prior art is compared, and produces following significant beneficial effect：1) welding deformation is small, and adjustment process is greatly reduced, or even is not required to
Want adjustment；2) non-welding surface connects splash, reduces scarfing cinder process, 3) avoid human factor and cause weld defect, 4) product
Increased quality, place's rolling line bar phenomenon of rupture substantially reduce；5) welded without filling silk in kind, prouctiveness lifting, cost of manufacture
Reduce；The utility model overcomes fixed mode of this area to tie pole long-term use MAG welderings and TIG welderings, has developing formula
Heroic undertaking.
The utility model can reach optimum efficiency for arc pulling type stud welding tie pole, not be that simple, stiff will draw
The stud welding of arc formula but by largely testing, improvement has been made to technique, for example add guarantor with welding tie pole
Protect gas, and the preferred component and ratio of protective gas；Make traditional plate shearing machine for blanking into mould punching blanking to ensure
Welding effect；The production of mass is realized by laser marking positioning；Most of all, the utility model tie pole Welder
Skill has carried out numerous studies to welding condition and has been applied to this skill so as to draw according to the model of tie pole, material and height
The technological parameter of art field tie pole.
The utility model has made improvement to the welding system of the technique of supporting tie pole, realizes mechanization automatic welding
Connect, avoid welding quality and had a great influence by operation factor, operational procedure is welded by specification, sets welding parameter,
Welding quality is improved, so as to by tie pole welding standard；Make traditional closed fixture into open fixture, be more conducive to
By tie pole clamping on welding gun, and protective gas device is also add the output that coordinates technique to realize protective gas；Adopt
Traditional plate shearing machine is compared with bar stock cutting by punching mould, it is more efficient, and also end face will not produce not gentle burr.
Brief description of the drawings
The short cycle drawn arc stud welding machine welding schematic diagrames of Fig. 1
Fig. 2 welds the system schematic of tie pole using arc pulling type arc stud welding.
Fig. 3 clamp structure schematic diagrames.
Fig. 4 bar stock cutting by punching mould front views.
Fig. 5 bar stock cutting by punching mould top views.
Fig. 6 Hammering Test schematic devices.
Wherein, arc pulling type welding machine 1, welding gun 11, fixture 12, train wheel bridge 121, lower plate 122, regulation handle 123, shake tight spiral shell
Bolt 124, support 13, protective gas conveying device 2, tie pole 3, welding workpiece 4, Hammering Test device 5, torque spanner 51, set
It is cylinder 52, double nut 53, blanking cutter device 6, lathe 61, punching press platform 62, base 622, fluting 6221, groove 6222, spacing
Block 623, staking punch 63, laser shooting location device 7, earth wire clamp 8.
Embodiment
The utility model is further described with reference to embodiment.Wherein, being given for example only property of accompanying drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which this reality is better described
With new embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To ability
For field technique personnel, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Embodiment 1
The present embodiment provides a kind of tie pole welding procedure using arc pulling type stud welding, using arc pulling type welding machine, bag
Include following steps：
S11. welding preparation：Weld periphery 25mm scopes are cleared up, workpiece test specimen and damage type hammering are done in test piece for welding
Experiment, workpiece test specimen is qualified and periphery zero defect carries out subsequent step again, then the workpiece test specimen mark good date, preserves 15 works
Make day；
S1. arc pulling type welding machine is started, specific to connect equipment source of the gas, air pressure is 0.6~0.8MPA, opens device power supply (DPS),
According to tie pole model and the welding parameter of material adjustment equipment, specifically, using the tie pole of the stainless steels of Ф 5, stud lifting
It is highly 50mm, welding current 720A, weld interval 20ms, and opens protective gas, protective gas uses volume ratio
For 98:2 Ar and O2, it is 15L/min to control output pressure；
S2. earth wire clamp is pressed from both sides, 2 points of two clamps and workpiece reduce concentric reducer into wire clamp；
S3. blanking is carried out to tie pole, specifically uses bar stock cutting by punching mould, the position for needing to weld rolling line bar is swashed
Light mark positions, and need to only be welded to there is its welding direction of the mark of welding direction, during welding according to mark location and direction
, so as to realize batch production, then by the tie pole clamping after blanking on welding gun, thumb during specific clamping tie pole
Finger presses pneumatic button should not be loose, and dress is just unclamping button clamping workpiece and guarding against tong afterwards, adjusts arcing distance, rotation butterfly spiral shell
Bolt, cradle bottom surface and tie pole end face distance are 5~6mm；
S4. weld：Binding rod end surface is smooth and lower beam vertical peripheral impulse- free robustness, is bonded with plate face, ensures the 90 of tie pole
Degree shaping, "+" instruction binding boom end welding position, semicircle instruction tie pole direction, welding gun is vertical with workpiece surface, tie pole
The end face center of circle and "+" center superposition, welding gun pipette tips and support can only contact with workpiece planarization, it is impossible to which other metalworks have with plate face
Phenomenon is touched, firmly flattening bracket end face downwards, to hold rifle motionless, is pulled with forefinger and button is welded on welding gun, complete welding；
S5. weld strength inspection：
S51. visual examination：Visually inspect welding point.Answer pore-free, incomplete fusion and crack defect in joint；
S52. sound test：Welding tie pole can be tapped with hand hammer in process of production and carries out nondestructive inspection, through hammer
Hit the tie pole MIG or CO of inspection2Protection weldering carries out repair welding.
Step S1 welding parameters are model according to tie pole, diameter in the present embodiment, and the material of welding workpiece, height are come
Setting；On the one hand parameter that workpiece test specimen welds checking equipment is preserved, on the other hand can be continued to employ as later observations；Protection
Gas be in order to prevent pad from aoxidizing, wherein short periodic weld can also not need protective gas,
The present embodiment concrete principle is as follows：
1. tie pole is clamped in the clamper of welding gun during welding, welding gun is moved to welding position, tie pole by operator
Contacted with workpiece.
Disengaged 2. the magnetic force hoisting mechanism in welding gun rises tie pole with workpiece, controlling organization is simultaneously in tie pole
Apply a striking voltage between workpiece, electric arc is drawn between binding rod end surface and workpiece, electric arc makes binding rod end surface be melted with workpiece
Change.
3. as tie pole is thus lifted to the height of setting, the voltage between workpiece is added to weldingvoltage, and weld interval reaches
To preset time, weldingvoltage is cut off and the electromagnet of hoisting mechanism is de-energized simultaneously, spring mechanism of the tie pole in welding gun
The lower workpiece that immerses of elastic force effect melt the molten bath to be formed, tie pole extrudes operative liquid metal, molten pool metal crystallisation by cooling
Form the common jointing of tie pole and workpiece.
Wherein, the German KOCO drawn arc stud welding machines of arc pulling type welding machine, the equipment mainly have following two advantages：
1) KOCO stud welding machines meet world's highest quality criteria requirements with stud；
2) KOCO stud welding machines are through German official's certification：Z-21.5-280.
Welding operation and points for attention：
4. connect welding machine electric power, check welding cable whether be reliably connected, binding rod end surface it is smooth and with bar vertical peripheral
Impulse- free robustness, whether specification is correct, quantity is suitable, and clamping bar is normal.
5. ensureing product surface cleaning during welding, welding gun is vertical with workpiece surface, as out of plumb will adjust welding gun in time
Soldering angle.
6. welded.Preweld cleaning weld periphery 25mm scopes, the test specimen that must first work before welding product are qualified
Can weld afterwards will inspect periodically the scaling loss situation of stud clamper in welding processes, in time cleaning, should not after being often soldered one
Work continuously, next welding can be carried out after welding current indicates data recovery.Welding on periodic cleaning chuck outer wall
Splash.
7. postwelding checks that whether molten bath is protected full around tie pole, finds defect argon arc weld repair.
The checking of arc pulling type stud welding
In order to verify equipment welding performance, we verify the welding piece to equipment first.We use material for
Stainless round steel (1Cr18NiTi 6) is by arc pulling type energy storing screw column welder in stainless steel plate (SUS304-2B/
OCr18Ni9 3.0) on material.According to EN15085-4 4.2.1.1 on the purpose requirement to the test specimen that works, work is made
Test specimen purpose, verify and ensure that product meets requirement as defined in EN15085-3.Pass through the macroscopical brilliant picture and mechanical property to test specimen
Analysis, judge new equipment, the reliability and stability of new technology welding.By correlation test, we demonstrate new equipment and new work
The validity of skill.
As shown in figure 1, arc pulling type percussion welder can be divided into short cycle arcing as the time length required for its welding process
With two kinds of long period arcing.Short cycle arcing is that the time welded is shorter, typically within 200 milliseconds, suitable for thin plate (5mm
Welding between the weldering nail of diameter smaller (below 10mm) below)；The welding interval of long period arcing is longer, most long reachable
2000 milliseconds, suitable for the welding between thickness of slab (more than 2mm) and the weldering nail for being relatively large in diameter (more than 10mm).Here should
It is short cycle arc pulling type percussion welder, therefore sets weld interval can not be oversize in technological parameter.
Embodiment 2~8
Embodiment 2~8 is essentially identical with embodiment, and difference is, tie pole model is different, corresponding welding parameter
Difference, do not repeat one by one herein, it is specific as shown in table 1：
Table 1
Embodiment 9
As figures 2-6, the present embodiment provides a kind of system using arc pulling type arc stud welding welding tie pole, including sets
Stand-by power source, equipment source of the gas, arc pulling type welding machine 1, protective gas conveying device 2, tie pole 3, welding workpiece 4, Hammering Test device
5th, blanking cutter device 6 and laser shooting location device 7,
The device power supply (DPS) is connected with arc pulling type welding machine, and the arc pulling type welding machine includes welding gun 11, leads on the welding gun 11
Cross fixture 12 and fill tie pole 3, fixture 12 includes train wheel bridge 121, lower plate 122 and regulation handle 123, train wheel bridge 121 and lower folder
Plate 122 is hinged, and coordinate regulation handle 123 control fixture opening degree, specifically two shake tight bolt 124 can it is individually operated progressively
Tie pole is clamped, the size of tie pole 3 is Ф 5, Ф 6, Ф 8 and Ф 10, and material is stainless steel, welding gun 11 and the surface of welding workpiece 4
Vertically, the center superposition in the end face center of circle of tie pole 3 and the end welding position of tie pole 3, arc pulling type welding machine 1 also include earth wire clamp 8,
Earth wire clamp 8 also includes support 13 with 4 two points of welding workpiece into wire clamp, welding gun 11, and support 13 is fixed in welding workpiece 4, branch
The bottom surface of frame 13 is 5~6mm with the end face distance of tie pole 3, and the parameter of arc pulling type welding machine 1 is that the hoisting depth of tie pole 3 is 50mm, welded
Connect electric current be 720A, weld interval 20ms；
Equipment source of the gas is connected with protective gas conveying device 2, and protective gas conveying device 2 is used for the weldering in workpiece to be welded
Place's conveying protective gas is connect, protective gas conveying device 2 is gas cylinder, and it is 98 that protective gas conveying device 2, which provides volume ratio,:2
Ar and O2, it is 15L/min to control output pressure；
Hammering Test device 5 is used to before and after welding do damage type hammering experiment, includes torque spanner 51, sleeve 52 and double spiral shells
Mother 53, sleeve 52 is located on tie pole 3, and one end is fixed by double nut 53, and the other end is provided with torque spanner 51, torque spanner 51
It is located at the port of tie pole 3；
Blanking cutter device 6 is used to cut tie pole, and using bar stock cutting by punching mould, bar stock cutting by punching mould includes lathe 61,
The lathe is provided with punching press platform 62, and the top of punching press platform 62 is provided with staking punch 63, and punching press platform 62 is including base 622 and admittedly
Determine the limited block 623 of base 622, base 622 is provided with fluting 6221 and is used to fix tie pole, is additionally provided with groove 6222 and is used for
Staking punch 63 cuts tie pole, and the one end of limited block 623 is bolted on punching press platform 62, and the other end is bolted
On base 622, because the fluting of various sizes of tie pole matching is also different, therefore the size of base 622 is also different,
Now limited block 623 can fix various sizes of base 622 by the movement of middle bolt fastening.
Laser shooting location device 7 is that laser cutting machine is used to determine needing to weld the position of rolling line bar to carry out laser marking
Position, to there is its welding direction of the mark of welding direction.
The present embodiment whole process uses mechanization automatic welding, and operating personnel only needs the input welding ginseng on arc pulling type welding machine
Number, then can complete whole welding process according to the welding procedure of embodiment 1 using the system of the present embodiment.
Comparative example 1
Using workpiece and tie pole in the same manner as in Example 1, then welded, comprised the following steps that using MAG：
S1. welding preparation：
S1.1 tie pole retaining wall on slope：
The shape and size of tie pole groove are same as Example 1, cut using traditional plate shearing machine.
S1.2. preweld cleaning
Welding position will remove residue, moisture, greasy dirt, carbide, oxide etc., weld seam both sides 25mm or so before welding
Need descale of polishing.Using mechanical chipping, wire brush can be specifically used.
S2. workpiece positions
Workpiece is fixed according to welded gaps as defined in the corresponding WPS of weld seam, ensures gap uniformity, controls unfitness of butt joint.Workpiece
Fixation should be used and rigidly fixed, and tack welding should do minimal welding according to the size of weld seam to be advisable, and is abraded after the completion of welding.
The adjustment of S3 technological parameters
Welding current, voltage welding current, voltage are selected according to the thickness and drawing requirement of mother metal.Concrete numerical value can
Corresponding WPS files are searched according to detailed programs weld seam inventory.Dry extension of electrode degree dry extension of electrode degree is relevant with gage of wire,
Equal to 10 times of gage of wire.Concrete numerical value performs according to corresponding WPS.
S4. welding is completed.
Comparative example 2
Using workpiece and tie pole in the same manner as in Example 1, then welded using TIG, it is specific as follows：
1. welding preparation：
S1.1 tie pole retaining wall on slope：
The shape and size of tie pole groove are same as Example 1, cut using traditional plate shearing machine.
S1.2. preweld cleaning
Welding position will remove residue, moisture, greasy dirt, carbide, oxide etc., weld seam both sides 25mm or so before welding
Need descale of polishing.Using mechanical chipping, wire brush can be specifically used.
S2. workpiece positions
Workpiece is fixed according to welded gaps as defined in the corresponding WPS of weld seam, ensures gap uniformity, controls unfitness of butt joint.Workpiece
Fixation should be used and rigidly fixed, specifically using special fixture.
S3. the adjustment of technological parameter
Welding current is selected according to the thickness and drawing requirement of mother metal, and concrete numerical value refers to corresponding WPS.Tungsten electrode is straight
Footpath and end shape, tungsten electrode diameter select according to welding current value and polarity, are specifically performed according to WPS.First examined before welding
Look into tungsten electrode end shape, it is determined whether need to polish.Straight polarity direct current and low current plate sheet welding can be selected minor diameter tungsten electrode and will
Wear into pointed cone angle in end；High current is welded, and tungsten electrode front end should be worn into the taper with platform or pure obtuse angle, gas flow gas
Flow should coordinate with nozzle inside diameter size.
S4. welding is completed.
Performance characterization
According to the postwelding Contrast on effect of embodiment 1, comparative example 1 and comparative example 2, it is known that MAG is welded and TIG weldering welding currents
Be partially welded with respect to arc pulling type energy storing screw column it is small, but weld interval grow, caloric value is big, and welding deformation is serious and the technical ability of welding personnel
Weld defect caused by factor (such as undercut) has a great influence to weldquality.Wherein, MAG welding processes meeting product largely splashes
Thing, TIG welderings welding efficiency are relatively low.Arc pulling type energy storing screw column weldering welding current is big, and weld interval is extremely short, and caloric value is small, and deformation is small,
Welding splash, welding process is without silk filling.
Using laser marking positioning and open fixture, welding tie pole is greatly improved in urban rail stainless steel cabinet
On operating efficiency, realize the production of batch.
Arc pulling type stud welding has obvious advantage, with having on conventional bonding technique in production efficiency and quality in kind
Very big improvement.
As shown in table 2, the process ration for embodiment 1 using arc pulling type stud welding with comparative example 1 using MAG welderings.
Table 2
Claims (10)
1. it is a kind of using arc pulling type arc stud welding weld tie pole system, it is characterised in that including device power supply (DPS), equipment source of the gas,
Arc pulling type welding machine, protective gas conveying device, tie pole, welding workpiece, Hammering Test device, blanking cutter device and laser are beaten
Mark positioner,
The device power supply (DPS) is connected with arc pulling type welding machine, and the arc pulling type welding machine includes welding gun, and tie pole is housed on the welding gun,
The welding gun is vertical with welding workpiece surface, the center superposition in the binding rod end surface center of circle and binding boom end welding position；
The equipment source of the gas is connected with protective gas conveying device, and the protective gas conveying device is used in workpiece to be welded
Weld conveys protective gas；
The Hammering Test device is used to before and after welding do damage type hammering experiment；
The blanking cutter device is used to cut tie pole；
The laser shooting location device is used to carry out laser marking positioning to the position for needing to weld rolling line bar, to there is welding side
To mark its welding direction.
2. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the hammering examination
Experiment device includes torque spanner, sleeve and double nut, and the sleeve is located on tie pole, and one end is fixed by double nut, another
End is provided with torque spanner, and the torque spanner is located at binding rod port.
3. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the blanking is cut
Cut device and use bar stock cutting by punching mould, the bar stock cutting by punching mould includes lathe, and the lathe is provided with punching press platform, the punching
Staking punch is provided with above flattening bench, the punching press platform includes the limited block of base and firm banking, and the base is provided with and opened
Groove is used to fix tie pole, is additionally provided with groove and is used for staking punch cutting tie pole.
4. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the welding gun is also
Including support, the support is fixed in welding workpiece, and the cradle bottom surface and tie pole end face distance are 5~6mm.
5. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the arc pulling type
Welding machine also includes earth wire clamp, and 2 points of the earth wire clamp and workpiece are into wire clamp.
6. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the tie pole
Size is Ф 5, Ф 6, Ф 8 and Ф 10, and material is stainless steel.
7. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the arc pulling type
The parameter of welding machine be tie pole hoisting depth be 50mm, welding current 720A, weld interval 20ms.
8. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the protection gas
It is 98 that body conveying device, which provides volume ratio,:2 Ar and O2, it is 15L/min to control output pressure.
9. according to claim 1 using the system of arc pulling type arc stud welding welding tie pole, it is characterised in that the protection gas
Body conveying device is that gas cylinder or protective gas supply facility, and the laser shooting location device is laser cutting machine.
10. according to any one of claim 1~9 system that tie pole is welded using arc pulling type arc stud welding, it is characterised in that
The welding gun also includes fixture, and the fixture includes train wheel bridge, lower plate and regulation handle, and the train wheel bridge is cut with scissors with lower plate
Even, and regulation handle is coordinated to control fixture opening degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601951.3U CN207119884U (en) | 2017-05-26 | 2017-05-26 | A kind of system that tie pole is welded using arc pulling type arc stud welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601951.3U CN207119884U (en) | 2017-05-26 | 2017-05-26 | A kind of system that tie pole is welded using arc pulling type arc stud welding |
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| Publication Number | Publication Date |
|---|---|
| CN207119884U true CN207119884U (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720601951.3U Active CN207119884U (en) | 2017-05-26 | 2017-05-26 | A kind of system that tie pole is welded using arc pulling type arc stud welding |
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| CN (1) | CN207119884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266714A (en) * | 2020-03-17 | 2020-06-12 | 株洲天一自动焊接装备有限公司 | Welding gun for wire binding rod and welding method |
| CN111408887A (en) * | 2020-05-15 | 2020-07-14 | 浙江硕维轨道交通装备有限公司 | Stainless steel binding rod arc welding tool clamp |
-
2017
- 2017-05-26 CN CN201720601951.3U patent/CN207119884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266714A (en) * | 2020-03-17 | 2020-06-12 | 株洲天一自动焊接装备有限公司 | Welding gun for wire binding rod and welding method |
| CN111408887A (en) * | 2020-05-15 | 2020-07-14 | 浙江硕维轨道交通装备有限公司 | Stainless steel binding rod arc welding tool clamp |
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