CN203316890U - Narrow gap MIG welding gun for aluminum bus welding - Google Patents
Narrow gap MIG welding gun for aluminum bus welding Download PDFInfo
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- CN203316890U CN203316890U CN2013202390050U CN201320239005U CN203316890U CN 203316890 U CN203316890 U CN 203316890U CN 2013202390050 U CN2013202390050 U CN 2013202390050U CN 201320239005 U CN201320239005 U CN 201320239005U CN 203316890 U CN203316890 U CN 203316890U
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Abstract
The utility model relates to a narrow gap MIG welding gun for aluminum bus welding. An eccentric contact tube is adopted to convey welding wires. A conducting rod is of a gas-feeding and wire-guiding integration structure. A jet nozzle is of a split structure. The welding part of the jet nozzle is small, namely the maximum length of the welding part is 24mm, and the maximum width of the welding part is 16mm. Two cooling waterways are arranged on the water cooling part of the jet nozzle so that the cooling effect can be improved. The water-cooling conducting rod is machined to be two semicircles. A cooling water channel is formed inside the water-cooling conducting rod. Meanwhile, the number of insulating pieces of the whole welding gun is increased, and therefore the electric arc stability during welding is ensured. Six gas outlets are formed in an arranged gas flow divider, therefore, the flow of protective gas is improved, the welding protection effect is improved, and therefore the process requirement of aluminum bus welding is met.
Description
Technical field
The utility model relates to the welder of welding field, and particularly a kind of aluminium busbar welds special-purpose narrow gap MIG welding gun, aluminium busbar welding when this utility model is used for building aluminum electrolytic tank.
Background technology
Aluminium busbar is as " wire " of aluminium cell, and domestic aluminium manufacturer all adopts manual welding in installation, and its welding efficiency is low, of poor quality.Usually more than 200mm, therefore can adopt heavy wall narrow gap welding mode due to the bevel for welding degree of depth of aluminium busbar, substitute the soft aluminium sheet multiple-layer stacked of original craft connecting welding mode.At present, the common mechanical type electric arc of welding gun of narrow gap MIG weldering swings principle, domestic application eccentric ignition tip formula preferably wherein, and the method drives the high-speed gear of interlock to rotate by motor, thereby drive eccentric ignition tip, together with electric arc, rotates
But this class welding gun general structure complexity, volume is large, can't meet the technological requirement of aluminium busbar continuous N IG welding.Main cause is that the groove of aluminium busbar is dark and short, during welding, require will weld in two ends of weld seam full, therefore weld edge is provided with the forced shaping water-cooled copper plate, and, in order to meet the continuous welding needs, usually at narrow gap MIG torch neck, be provided with water-cooling structure, cause the nozzle mouth position larger along welding direction length, when arriving end of welding bead, nozzle outer rim and water-cooled copper plate bump, and the welding wire of rotation is difficult to fill up end of welding bead, form defect.In the MIG narrow clearance welding gun, nozzle does not adopt water-cooling pattern at present, and in welding process, because conducting rod does not participate in rotation, so aerating system and water-cooling system are comparatively simple and traditional.
Because the defect that the welding gun of above-mentioned existing narrow gap MIG weldering exists, the inventor is based on being engaged in this type of product design manufacture abundant practical experience and professional knowledge for many years, and the utilization of cooperation scientific principle, positive research and innovation in addition, to founding a kind of special-purpose narrow gap of aluminium busbar welding MIG welding gun of new structure, can improve the welding gun of general existing narrow gap MIG weldering, make it have more practicality.Through constantly research, design, and, after repeatedly studying sample and improving, finally create the present invention who has practical value.
Summary of the invention
The purpose of this utility model is to overcome the narrow gap of eccentric ignition tip formula MIG welding gun due to the excessive technical problem that can't meet the requirement of welding of aluminum bus of nozzle arrangements, the special-purpose narrow gap of a kind of aluminium busbar welding MIG welding gun is provided, this torch neck has adopted split mechanism, the welding position jet hole is less, it the is met technological requirement of welding of aluminum bus, the weld edge accessibility is good, and welding effect is good.A further object of the present invention is, a kind of nozzle with water-cooled is provided, technical problem to be solved is to make it in narrow Connexin automatic Arc Welding, can effectively prevent the too high and defective nozzle of nozzle temperature, thereby improve the service time of nozzle, improve welding efficiency, thereby more be suitable for practicality.
An also purpose of the present utility model is, the special-purpose narrow gap of a kind of aluminium busbar welding MIG welding gun is provided, the narrow gap welding thinking is proposed, conducting rod rotation when using eccentric ignition tip and welding, technical problem to be solved is to make it when welding, solve the fusion effect of side, narrow gap welding road, thereby more be suitable for practicality, and there is the value on industry.
The purpose of this utility model is, provide the welding of a kind of aluminium busbar special-purpose novel narrow gap MIG welding gun, adopt the water-cooled conducting rod for supplying gas, the seal wire integral structure, inside be provided with the cool cycles water route and make its good cooling results, observe electric arc convenient, dismounting easily simultaneously.
The purpose of this utility model is, provides a kind of aluminium busbar welding special-purpose novel narrow gap MIG welding gun, makes two side ends in its water-cooled nozzle be provided with two independently cool cycles water routes, has improved cooling effect, has reduced difficulty of processing and the cost of raw material.
The purpose of this utility model also is, the special-purpose narrow gap of a kind of aluminium busbar welding MIG welding gun is provided, and makes it by improving the structure of gas diverter, and the flow of protective gas can be improved.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.Can adapt to the special-purpose narrow gap of the aluminium busbar welding MIG welding gun of the narrow gap MIG welding of the reciprocal aluminum mother plate of deep groove short distance according to a kind of nozzle the utility model proposes, comprise:
---nozzle adopts split-type structural and is rectangular configuration, superposed is bulky band water-cooled nozzle, what be positioned at this water-cooled nozzle below is short and small quick short nozzle, this band water-cooled nozzle adopts screw to be connected with this quick short nozzle, and in this water-cooled nozzle, two side ends is provided with two independently cool cycles water routes;
---the water-cooled conducting rod, integrate supply gas, wire feed, conducting function, the upper end of this water-cooled conducting rod coordinates with the lower end of connecting axle, in cooperation place, this water-cooled conducting rod is processed into two semicircles, and a part is retained on the water-cooled conducting rod, it is the semicircular ring that conducting rod cuts that a part cuts, both are connected these two parts by trip bolt, can adjust the tightness of contact-making surface according to actual conditions, realize best conductive effect.The lower end of this water-cooled conducting rod is threaded with gas diverter top, and this gas diverter bottom is threaded with eccentric ignition tip, and the upper end of water-cooled conducting rod coordinates with connecting axle, to realize the effect of conduction; Be provided with complete cooling-water duct in the inside of water-cooled conducting rod;
---the insulation spacer shell, upper end in this water-cooled nozzle closely cooperates with the bottom of insulation spacer shell, and adjust the tightness of its cooperation by the upper end clip that is located at water-cooled nozzle, this clip is comprised of two semicircular ring and two bolts, can control the tightness of water-cooled nozzle and insulation spacer shell by bolt;
---water collar, the top of this insulation spacer shell is connected with the water collar lower screw;
---casing, on the top of this water collar, with the cover screw of bottom half, be connected, be embedded in insulation sleeve at the connecting hole of this water collar, to prevent that water collar is charged in welding process;
---bearing, the top of described casing is connected with the bearing screw;
---connecting axle, described bearing is connected with the connecting axle screw, and the upper end of this connecting axle is threaded with the welding gun gooseneck that is positioned at the connecting axle top;
---gear I and gear II, all be located in casing, described water-cooled conducting rod and insulating sleeve are in mating connection by flat key, this insulating sleeve and this gear II are in mating connection by flat key, this gear I and the engagement of this gear II, this gear I and servomotor and motor reducer are in mating connection by flat key, when servomotor and motor reducer work rotation, by above-mentioned two gear driven water-cooled conducting rods rotation.An axle sleeve III is arranged between the cover plate of gear I and bottom half, and this axle sleeve III embeds in the hole of cover plate of bottom half, to prevent the gear I, directly contacts the cover plate of bottom half, thereby has prevented wear and tear the when rotated cover plate of bottom half of gear I.
The special-purpose narrow gap of aforesaid aluminium busbar welding MIG welding gun, in wherein said water-cooled nozzle two independently the cool cycles water route be symmetrical in respectively water-cooled conducting rod both sides and arrange, the left cool cycles water route that wherein is positioned at water-cooled conducting rod left side is that left recirculated water flows into passage and left recirculated water and flows out circulation passage bottom passage and left recirculated water and form by two vertical water routes that are parallel to each other.This left recirculated water flows into the passage upper port and is provided with left recirculated water entrance, the upper port that this left recirculated water flows out passage is provided with left circulating water outlet, the bottom that this left recirculated water flows into passage and left recirculated water outflow passage is communicated with by left recirculated water bottom circulation passage, forms independently left cool cycles water route.The right cool cycles water route that is positioned at water-cooled conducting rod right side is that right recirculated water flows into passage and right recirculated water flows out passage and left recirculated water bottom circulation passage forms by two vertical water routes that are parallel to each other, this right recirculated water flows into the passage upper port and is provided with right recirculated water entrance, the upper port that this right recirculated water flows out passage is provided with right circulating water outlet, the bottom that this right recirculated water flows into passage and right recirculated water outflow passage is communicated with by right recirculated water bottom circulation passage, forms independently right cool cycles water route.This left recirculated water inflow passage, left recirculated water outflow passage, right recirculated water flow into passage, right recirculated water outflow passage is fixed by Duct fixing clamp.
The special-purpose narrow gap of aforesaid aluminium busbar welding MIG welding gun, wherein said water collar is comprised of cooling water inlet, cooling water inlet cannelure, coolant outlet, coolant outlet cannelure, wherein, Yi Duanyu cooling water inlet, this cooling water inlet cannelure communicates, the other end of this cooling water inlet is connected with the outlet of external refrigeration device, this coolant outlet one end communicates with the coolant outlet cannelure, and the other end of this coolant outlet is connected with the entrance of external refrigeration device.
The special-purpose narrow gap of aforesaid aluminium busbar welding MIG welding gun, the cooling-water duct of wherein said water-cooled conducting rod is to flow into passage by the conducting rod cooling water, conducting rod cooling water apopore, conducting rod cooling water inlet opening, conducting rod cooling water flow out of passage, conducting rod cooling water bottom circulation passage forms, wherein, described conducting rod cooling water flow out of passage and the conducting rod cooling water flows into the two side ends that passage vertically is set in parallel in water-cooled conducting rod central shaft, the upper end that this conducting rod cooling water flows into passage is provided with conducting rod cooling water inlet opening, the upper end that this conducting rod cooling water flow out of passage is provided with conducting rod cooling water apopore, the lower end that this conducting rod cooling water flows into passage is communicated with by conducting rod cooling water bottom circulation passage with the lower end that this conducting rod cooling water flow out of passage, this conducting rod cooling water flows into passage like this, this conducting rod cooling water inlet opening, this conducting rod cooling water flow out of passage, this conducting rod cooling water apopore and this conducting rod cooling water bottom circulation passage form path, this conducting rod cooling water apopore coordinates conducting with the coolant outlet cannelure of water collar, this conducting rod cooling water inlet opening coordinates conducting with the cooling water inlet cannelure of water collar, thereby form a complete path, in order to prevent water route, reveal, on the water-cooled conducting rod, with sealing ring, water route is sealed.
The special-purpose narrow gap of aforesaid aluminium busbar welding MIG welding gun; wherein said gas diverter is to have processed 6 pores i.e. 3 venthole A and 3 venthole B for air guide; this gas diverter top is threaded with the water-cooled conducting rod; this gas diverter bottom is threaded with this bias ignition tip; when welding; when protection-gas welding from water-cooled conducting rod central through hole out; by i.e. 3 venthole A and 3 the venthole B outflows of 6 ventholes; enter nozzle interior, carry out smoothly thereby guarantee to weld.The special-purpose narrow gap of aforesaid aluminium busbar welding MIG welding gun, it also is provided with the axle sleeve I, the axle sleeve II, insulation sleeve and felt pad, above-mentioned member all adopts insulating materials, wherein this axle sleeve I is embedded in the cover board hole of casing, prevented that cover plate from directly directly contacting with the water-cooled conducting rod, this axle sleeve II is embedded in the hole of cabinet panel, prevent that cabinet panel from directly directly contacting with the water-cooled conducting rod, this insulation sleeve embeds in the bolt connecting hole of water collar, this felt pad is arranged between the cover plate and water collar of casing, lower end at water collar is connected by screw with the insulation spacer shell, so insulation sleeve, felt pad and insulation spacer shell common guarantee water collar not charged when welding, this water-cooled nozzle upper end coordinates with this insulation spacer shell, while having guaranteed to weld, water-cooled nozzle is not charged again, thereby guaranteed welding quality.
By technique scheme, the special-purpose narrow gap of the utility model aluminium busbar welding MIG welding gun at least has following advantages:
1, because torch neck of the present utility model has adopted split mechanism, the welding position jet hole is less, it the is met technological requirement of welding of aluminum bus, and the weld edge accessibility is good, and welding effect is good.The welding position jet hole is along bead direction jet hole length 24mm, and the welding wire end, apart from nozzle outer 2mm, guaranteed the aluminium busbar Narrow sloping-glot sidewall wide at 18mm and the access for welding of welding bead end, and gas shield is respond well.
2, carry the welding wire mode because welding gun of the present utility model has adopted eccentric ignition tip, the rotation of driven by servomotor gear, drive water-cooled conducting rod part according to the set model rotation, this water-cooled conducting rod for supplying gas, the seal wire integral structure, circulation waterway is inside arranged.Nozzle is installed in insulation spacer shell below, and this nozzle adopts split-type structural, and top is that the double loop water circulation is cooling, before and after it, on sidewall, all has two to stand to water channel, by being connected of outside water channel, before and after forming, connects water route, good water-cooling effect; Can make the quick short nozzle of lower end remain in rational temperature range.The split type nozzle of this narrow gap MIG welding gun has not only met water-cooled and has required and the requirement of weld edge accessibility, observes electric arc convenient simultaneously, and easily, during welding, sidewall and end of welding bead are not prone to the defects such as lack of penetration and incomplete fusion in dismounting.
3, the beneficial effects of the utility model are: in the aluminium busbar Narrow sloping-glot that the special-purpose narrow gap of aluminium busbar MIG welding gun can be 18mm at width, realize reciprocal continuous welding.Gas shield and the conductive effect of welding gun are good, and conducting rod and nozzle be water-cooled simultaneously, good cooling results.This welding gun structure compactness, easy to use, the short weld seam narrow gap welding of deep groove of applicable aluminium busbar.
4, the utility model adopts gas diverter, and this gas diverter arranges six ventholes altogether, by improving the flow of protective gas, has improved the welding protection effect, it the is met technological requirement of welding of aluminum bus.
5,, aspect insulation, this patent adopts the many places insulation system, and the one,, ensured the insulation of cabinet shell and motor housing; The 2nd, guaranteed water-cooled nozzle 23, quick short nozzle 24 and eccentric ignition tip 1 insulation, while having guaranteed welding due to water-cooled nozzle 23, the charged welding arc that affects of quick short nozzle 24, thereby affect welding quality.
6, in a word, innovation of the present utility model just is that the water-cooled conducting rod rotates when welding, require again water-cooled, ventilation, insulation to be integrated simultaneously, increased the difficulty of structural design, so when rotating when meeting the water-cooled conducting rod in welding, in order to meet conducting rod water-cooled, ventilation, insulation, be integrated, larger breakthrough and innovation have been carried out on the conducting rod structure, in order to meet narrow gap welding, carry out larger improvement on nozzle arrangements, the one, change rectangular configuration into by circular configuration, the 2nd, increased the cooling function of nozzle.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.
The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
The accompanying drawing explanation
Fig. 1 is the utility model integrated model schematic diagram;
Fig. 2 A is the whole loop of the utility model conducting rod cooling water schematic diagram;
Fig. 2 B is the A-A cross-sectional view of Fig. 2 A;
Fig. 2 C is the B-B cross-sectional view of Fig. 2 A;
Fig. 3 A is the utility model water-cooled nozzle water circulation water route master's TV structure schematic diagram;
Fig. 3 B is the left TV structure schematic diagram in the utility model water-cooled nozzle water circulation water route;
Fig. 4 A is water collar master TV structure schematic diagram of the present utility model;
Fig. 4 B is water collar plan structure schematic diagram of the present utility model;
Fig. 5 A is water-cooled conducting rod overall structure schematic diagram of the present utility model;
Fig. 5 B is the cutaway view of the B-B section of the utility model Fig. 5 A;
Fig. 5 C is the cutaway view of the C-C section of the utility model Fig. 5 A
Fig. 5 D is the cutaway view of the A-A section of the utility model Fig. 5 A;
Fig. 5 E is the semicircular ring schematic diagram that water-cooled conducting rod conducting rod of the present utility model cuts;
Fig. 6 A is gas diverter structural representation of the present utility model;
Fig. 6 B is the A-A cutaway view of the utility model Fig. 6 A;
1: eccentric ignition tip 3: insulating washer
2: gas diverter
2-1: venthole A 2-2: venthole B
4: the water-cooled conducting rod
4-1: trip bolt
4-2: the conducting rod cooling water flows into passage 4-3: the semicircular ring that conducting rod cuts
4-4: conducting rod cooling water apopore 4-5: conducting rod cooling water inlet opening
4-6: conducting rod cooling water flow out of passage 4-7: conducting rod cooling water bottom circulation passage
5: the insulation spacer shell
6: water collar
6-1: cooling water inlet 6-2: cooling water inlet cannelure
6-3: coolant outlet 6-4: coolant outlet cannelure
7: felt pad 8: the axle sleeve I
9: insulating sleeve 10: the axle sleeve II
11: connecting axle 12: bearing
13: casing 14: the gear I
Within 15: the first, flat key 16: cover plate
17: axle sleeve III 18: the gear II
Within 19: the second, flat key 20: insulation sleeve
21: clip
22: Duct fixing clamp
23 water-cooled nozzle
23-1: left recirculated water entrance 23-2: left circulating water outlet
23-3: right recirculated water entrance 23-4: right circulating water outlet
23-5: left recirculated water flows into passage 23-6: left recirculated water flows out passage
The left recirculated water of 23-7 bottom circulation passage 23-8: right recirculated water flows out passage
23-9: right recirculated water flows into passage 23-10: left recirculated water bottom circulation passage
24: quick short nozzle 25: servomotor and decelerator
26: 27: the three flat keys of welding gun gooseneck
28: sealing ring
The specific embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing 1-6 and preferred embodiment, to the special-purpose narrow gap of the welding of the aluminium busbar according to the utility model proposes its specific embodiment of MIG welding gun, structure, feature and effect thereof, be described in detail as follows.
Refer to shown in Fig. 1, a kind of nozzle of the utility model preferred embodiment can adapt to the special-purpose narrow gap of the aluminium busbar welding MIG welding gun of the narrow gap MIG welding of the reciprocal aluminum mother plate of deep groove short distance, by nozzle, gas diverter 2, water-cooled conducting rod 4, insulation spacer shell 5, water collar 6, felt pad 7, axle sleeve I8, axle sleeve II10, axle sleeve III17, casing 13, bearing 12, connecting axle 11, cover plate 16, servomotor and 2 devices 25 that slow down, the welding gun gooseneck, sealing ring 28 and gear I14, gear II18, insulating sleeve 9, the first flat key 15, the second flat key 19, the 3rd flat key 27 forms.Described nozzle adopts split-type structural and is rectangular configuration.Wherein, superposed is the bulky water-cooled nozzle 23 with cool cycles water route, and what be positioned at these water-cooled nozzle 23 belows is short and small quick nozzle 24, and this water-cooled nozzle 23 adopts screw to be connected with this quick nozzle 24.
Separately, in the upper end of this water-cooled nozzle 23, with insulation spacer shell 5 bottoms, closely cooperate and join, the top of this insulation spacer shell 5 is connected with water collar 6 lower screw.Top at this water collar 6 is connected with bottom cover plate 16 screws of casing 13, the top of this casing 13 is connected with bearing 12 screws, because water-cooled nozzle 23 has certain weight, the elasticity of its cooperation is adjusted in upper end in water-cooled nozzle 23 with clip 21, this clip 21 is comprised of two semicircular ring and two bolts, can control the tightness of water-cooled nozzle 23 and insulation spacer shell 5 by bolt.
Consult shown in Fig. 3 A, Fig. 3 B, cooling effect for the raising water-cooled nozzle 23 of maximum possible, be provided with two independently cool cycles water routes in this water-cooled nozzle 23, these two independently circulation waterway be symmetrical in respectively water-cooled conducting rod 4 both sides and arrange, the left cool cycles water route that is positioned at water-cooled conducting rod 4 left sides is that left recirculated water flows into passage 23-5 and left recirculated water and flows out circulation passage 23-7 bottom passage 23-6 and left recirculated water and form by two vertical water routes that are parallel to each other.The bottom that this left recirculated water flows into passage 23-5 is connected and jointly forms an independently cool cycles water route with left recirculated water bottom circulation passage 23-7 bottom left recirculated water flows out passage 23-6, right cool cycles water route is also same structure, by two parallel vertical water routes, is that right recirculated water flows into passage 23-9 and right recirculated water flows out passage 23-8 and right recirculated water bottom circulation passage 23-10 forms.The bottom that this right recirculated water flows into passage 23-9 is connected and jointly forms an independent loops water route with right recirculated water bottom circulation passage 23-10 bottom right recirculated water flows out passage 23-8.For fixing four passages of water-cooled nozzle 23, this left recirculated water flows into passage 23-5, left recirculated water and flows out passage 23-6, right recirculated water and flow into passage 23-9, right recirculated water and flow out passage 23-8 and is fixed by Duct fixing clamp 22.
Water inlet is respectively the left recirculated water entrance 23-1 be provided with in left recirculated water inflow passage 23-5 upper port and flows at right recirculated water the right recirculated water entrance 23-3 that passage 23-9 upper port is provided with, delivery port is respectively left recirculated water and flows out left circulating water outlet 23-2 and the right recirculated water that passage 23-6 upper port is provided with and flow out the right circulating water outlet 23-4 that passage 23-8 is provided with, this left recirculated water entrance 23-1 is connected with external refrigeration equipment delivery port respectively with this right recirculated water entrance 23-3, this left circulating water outlet 23-2 is connected with external refrigeration equipment water inlet respectively with this right circulating water outlet 23-4.
Consult shown in Fig. 1, described connecting axle 11 is fixed with screw connecting mode on bearing 12, the effect of play conduction, supplying gas, and these connecting axle 11 upper ends are threaded with the welding gun gooseneck 26 of the side of being located thereon.
Consult shown in Fig. 1, described gear I14 and gear II 18, all be located in casing 13, described water-cooled conducting rod 4 is connected by the second flat key 19 with the insulating sleeve 9 of gear, this insulating sleeve 9 is in mating connection by the 3rd flat key 27 with this gear II18, the gear teeth of this gear II 18 and 14 engagements of gear I.
Consult shown in Fig. 1, described servomotor and reductor 25 are positioned at the welding gun rear end, and this servomotor and reductor 25 connect gear I 14 by the first flat key 15.
Consult Fig. 1, Fig. 2 A, Fig. 4 A, Fig. 4 B, described water collar 6, be comprised of 6-1, cooling water inlet, cooling water inlet cannelure 6-2, coolant outlet 6-3, coolant outlet cannelure 6-4.Wherein, this cooling water inlet 6-1 mono-end communicates with cooling water inlet cannelure 6-2, the other end of this cooling water inlet 6-1 is connected with the outlet of external refrigeration device, this coolant outlet 6-3 mono-end communicates with coolant outlet cannelure 6-4, and the other end of this coolant outlet 6-3 is connected with the entrance of external refrigeration device.
Consult shown in Fig. 1, Fig. 2 A, Fig. 2 B, Fig. 2 C, Fig. 5 A, Fig. 5 B, Fig. 5 C, Fig. 5 D, Fig. 5 E, described water-cooled conducting rod 4 integrate supply gas, wire feed, conducting function, the cooling cold electric pole 4 of water guide be positioned at the below of connecting axle 11; The lower end of this water-cooled conducting rod 4 is threaded with gas diverter 2 tops, and these gas diverter 2 bottoms are threaded with eccentric ignition tip 1, and the upper end of this water-cooled conducting rod 4 coordinates with connecting axle 11 lower ends, to realize the effect of conduction.At the place that matches with this connecting axle 11, this water-cooled conducting rod 4 is processed into two semicircles with connecting axle 11 touching positions, a part is retained on water-cooled conducting rod 11, it is the semicircular ring 4-3 that conducting rod cuts that a part cuts, the semicircular ring 4-3 that both cut the cold conducting rod 4 of water guide by trip bolt 4-1 is connected with water-cooled conducting rod 4, so can adjust the tightness of contact-making surface according to actual conditions, realize best conductive effect.
Be provided with complete cooling-water duct in the inside of this water-cooled conducting rod 4.This cooling water channel is by conducting rod cooling water apopore 4-4, conducting rod cooling water inlet opening 4-5, and conducting rod cooling water flow out of passage 4-6, conducting rod cooling water bottom circulation passage 4-7, and the conducting rod cooling water flows into passage 4-2 and forms.This conducting rod cooling water flow out of passage 4-6 and the conducting rod cooling water flows into the two side ends that passage 4-2 vertically is set in parallel in water-cooled conducting rod 4 central shafts, the bottom and the conducting rod cooling water inflow passage 4-2 bottom that cooling water flow out of passage 4-6 at this conducting rod are communicated with conducting rod cooling water bottom circulation passage 4-7 respectively, this conducting rod cooling water flows into passage 4-2 upper end and communicates with conducting rod cooling water inlet opening 4-5, this conducting rod cooling water flow out of passage 4-6 upper end and communicates with conducting rod cooling water apopore 4-4, and conducting rod cooling water apopore 4-4 coordinates conducting with the coolant outlet cannelure 6-4 of water collar 6.This conducting rod cooling water inlet opening 4-5 coordinates conducting with the cooling water inlet cannelure 6-2 of water collar 6, and this is just at cooling-water duct of the interior formation of water-cooled conducting rod 4.Under the cooperation of water collar 6, when cooling water inlet 6-1 is connected with the outlet of external refrigeration device, coolant outlet 6-3 is connected with the entrance of external refrigeration device, thereby forms a complete path, in order to prevent the water route leakage, on water-cooled conducting rod 4, with sealing ring 28, water route is sealed.
Consult Fig. 1, Fig. 2 A, Fig. 6 A, Fig. 6 B, for air guide has been processed 6 pores i.e. 3 venthole A2-1 and 3 venthole B2-2 at described gas diverter 2, these gas diverter 2 tops are threaded with water-cooled conducting rod 4, and these gas diverter 2 bottoms are threaded with eccentric ignition tip 1.In when welding, when protection-gas welding from water-cooled conducting rod 4 central through holes out, by 6 ventholes 3 venthole A2-1 and 3 venthole B2-2 flow out, enter nozzle interior, thereby guarantee that welding carries out smoothly.
The present embodiment adopts the many places insulation system, the effect of each insulation system: the one,, bearing 12, insulating sleeve 9, axle sleeve I 8, axle sleeve II 10, insulation sleeve 20 and felt pad 7 have all adopted insulating materials, because in the actual welding process, connecting axle 11 and water-cooled conducting rod 4 are charged, this six place adopts insulating materials just can prevent that electric current from entering casing 13, thereby has ensured the insulation of cabinet shell and motor housing; The 2nd, it is by charged water-cooled conducting rod 4 and water-cooled nozzle 23, quick short nozzle 24 insulation that insulation spacer shell 5 and insulating washer 3 these two places adopt the purpose of insulation, and then guaranteed that water-cooled nozzle 23, quick short nozzle 24 insulate with eccentric ignition tip 1, while having guaranteed welding due to water-cooled nozzle 23, the charged welding arc that affects of quick short nozzle 24, thereby affect welding quality.
Its bottom bracket axle I 8 is embedded in cover plate 16 holes of casing 13, prevented that cover plate 16 from directly directly contacting with water-cooled conducting rod 4, axle sleeve II 10 is embedded in the hole of casing 13 panels, prevent that cabinet panel from directly directly contacting with water-cooled conducting rod 4, in the hole of the cover plate 16 of axle sleeve III 17 embedding casing 13 bottoms, to prevent the directly cover plate 16 of contact casing 13 bottoms of gear I 14, thereby prevented wear and tear the when rotated cover plate 16 of casing 13 bottoms of gear I 14.Insulation sleeve 20 embeds in the bolt connecting hole of water collar 6, felt pad 7 is arranged between the cover plate 16 and water collar 6 of casing 13, lower end at water collar 6 is connected by screw with insulation spacer shell 5, so insulation sleeve 20, felt pad 7 and insulation spacer shell 5 common guarantee water collar 6 not charged when welding, these water-cooled nozzle 23 upper ends coordinate with insulation spacer shell 5, while having guaranteed to weld, water-cooled nozzle 23 is not charged again, thereby has guaranteed welding quality.
In the actual welding process, the operation principle of this welding gun is as follows:
After welding starts, control servomotor and reductor 25 and obtain enabling signal, start rotation, then driven gear I 14 rotations, gear I 14 and 18 engagements of gear II, thereby gear I 14 driven gear II 18 rotations, gear II 18 is connected by the 3rd flat key 27 with insulating sleeve 9, thereby gear II 18 drives insulating sleeve 9 rotations, insulating sleeve 9 is connected by the second flat key 19 with water-cooled conducting rod 4, thereby insulating sleeve 9 drives 4 rotations of water-cooled conducting rod, the lower end of water-cooled conducting rod 4 is threaded with gas diverter 2 upper ends, gas diverter 2 lower ends are threaded with eccentric ignition tip 1 upper end, thereby water-cooled conducting rod 4 drives eccentric ignition tip 1, guaranteed the welding fusion effect of welding bead both sides.
Before welding starts, open the cooling water refrigeration plant, make cooling water flow through water-cooled conducting rod 4 and water-cooled nozzle 23, make to obtain fully cooling through water-cooled conducting rod 4 and water-cooled nozzle 23.
When welding; protection-gas welding enters in the centre bore of connecting axle 11 from common MIG welding gun; then enter in the centre bore of water-cooled conducting rod 4; after protection gas arrives water-cooled conducting rod 4 bottoms; flow to gas diverter 2; then be venthole A2-1 and venthole B2-2 from 6 ventholes of gas diverter 2, enter in nozzle, play the effect of protection welding.
The above, it is only preferred embodiment of the present utility model, not the present invention is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. a nozzle can adapt to the special-purpose narrow gap of the aluminium busbar welding MIG welding gun that the narrow gap MIG of the reciprocal aluminum mother plate of deep groove short distance welds, and it is characterized in that, it comprises:
---nozzle adopts split-type structural and is rectangular configuration, superposed is bulky water-cooled nozzle (23), what be positioned at this water-cooled nozzle (23) below is short and small quick short nozzle (24), this water-cooled nozzle (23) adopts screw to be connected with this quick short nozzle (24), and in this water-cooled nozzle (23), two side ends is provided with two independently cool cycles water routes;
---water-cooled conducting rod (4), collection is supplied gas, wire feed, conducting function is in one, the upper end of this water-cooled conducting rod (4) coordinates with the lower end of connecting axle (11), in cooperation place, this water-cooled conducting rod (4) is processed into two semicircles, a part is retained on water-cooled conducting rod (4), it is the semicircular ring (4-3) that conducting rod cuts that a part cuts, both are connected these two parts by trip bolt (4-1), the lower end of this water-cooled conducting rod (4) is threaded with gas diverter (2) top, this gas diverter (2) bottom is threaded with eccentric ignition tip (1), inside at this water-cooled conducting rod (4) is provided with complete cooling-water duct,
---insulation spacer shell (5), in the upper end of this water-cooled nozzle (23) and the bottom of this insulation spacer shell (5), closely cooperate, and adjust the tightness of its cooperation by the upper end clip (21) that is located at water-cooled nozzle (23), this clip (21) is comprised of two semicircular ring and two bolts, controls the tightness of water-cooled nozzle (23) and insulation spacer shell (5) by bolt;
---water collar (6), the top of this insulation spacer shell (5) is connected with water collar (6) lower screw;
---casing (13) is connected with cover plate (16) screw of casing (13) bottom on the top of this water collar (6);
---bearing (12), the top of described casing (13) is connected with bearing (12) screw;
---connecting axle (11), described bearing (12) is connected with connecting axle (11) screw, and the upper end of this connecting axle (11) is threaded with the welding gun gooseneck (26) that is positioned at connecting axle (11) top;
---gear I (14) and gear II (18), all be located in casing (13), described water-cooled conducting rod (4) is in mating connection by the second flat key (19) with insulating sleeve (9), this insulating sleeve (9) is in mating connection by the 3rd flat key (27) with this gear II (18), this gear I (14) and the engagement of this gear II (18), this gear I (14) is in mating connection by the first flat key (15) with servomotor and motor reducer (25), between the cover plate (16) of gear I (14) and casing (13) bottom, an axle sleeve III (17) is arranged, this axle sleeve III (17) embeds in the hole of the cover plate (16) bottom casing (13).
2. aluminium busbar according to claim 1 welds special-purpose narrow gap MIG welding gun, it is characterized in that, in described water-cooled nozzle (23) two independently the cool cycles water route be symmetrical in respectively water-cooled conducting rod (4) both sides and arrange, the left cool cycles water route that wherein is positioned at water-cooled conducting rod (4) left side is that left recirculated water flows into passage (23-5) and left recirculated water flows out passage (23-6) and left recirculated water bottom circulation passage (23-7) forms by two vertical water routes that are parallel to each other, this left recirculated water flows into passage (23-5) upper port and is provided with left recirculated water entrance (23-1), the upper port that this left recirculated water flows out passage (23-6) is provided with left circulating water outlet (23-2), this left recirculated water flows into passage (23-5) and left recirculated water flows out the bottom of passage (23-6) by left recirculated water bottom circulation passage (23-7) connection, form independently left cool cycles water route, the right cool cycles water route that is positioned at water-cooled conducting rod (4) right side is that right recirculated water flows into passage (23-9) and right recirculated water flows out passage (23-8) and left recirculated water bottom circulation passage (23-10) forms by two vertical water routes that are parallel to each other, this right recirculated water flows into passage (23-9) upper port and is provided with right recirculated water entrance (23-3), the upper port that this right recirculated water flows out passage (23-8) is provided with right circulating water outlet (23-4), this right recirculated water flows into passage (23-9) and right recirculated water flows out the bottom of passage (23-8) by right recirculated water bottom circulation passage connection (23-10), form independently right cool cycles water route, this left recirculated water flows into passage (23-5), left recirculated water flows out passage (23-6), right recirculated water flows into passage (23-9), it is fixing by Duct fixing clamp (22) that right recirculated water flows out passage (23-8).
3. aluminium busbar according to claim 1 welds special-purpose narrow gap MIG welding gun, it is characterized in that, at described water collar (6) by cooling water inlet (6-1), cooling water inlet cannelure (6-2), coolant outlet (6-3), coolant outlet cannelure (6-4) forms, wherein, this cooling water inlet (6-1) end communicates with cooling water inlet cannelure (6-2), the other end of this cooling water inlet (6-1) is connected with the outlet of external refrigeration device, this coolant outlet (6-3) end communicates with coolant outlet cannelure (6-4), the other end of this coolant outlet (6-3) is connected with the entrance of external refrigeration device.
4. according to the special-purpose narrow gap of the described aluminium busbar welding of any one in claim 1-3 MIG welding gun, it is characterized in that, the cooling-water duct of described water-cooled conducting rod (4) is to flow into passage (4-2) by the conducting rod cooling water, conducting rod cooling water apopore (4-4), conducting rod cooling water inlet opening (4-5), conducting rod cooling water flow out of passage (4-6), conducting rod cooling water bottom circulation passage (4-7) forms, wherein, described conducting rod cooling water flow out of passage (4-6) and the conducting rod cooling water flows into the two side ends that passage (4-2) vertically is set in parallel in water-cooled conducting rod (4) central shaft, the upper end that this conducting rod cooling water flows into passage (4-2) is provided with conducting rod cooling water inlet opening (4-5), the upper end that this conducting rod cooling water flow out of passage (4-6) is provided with conducting rod cooling water apopore (4-4), the lower end that this conducting rod cooling water flows into passage (4-2) is communicated with by conducting rod cooling water bottom circulation passage (4-7) with the lower end that this conducting rod cooling water flow out of passage (4-6), this conducting rod cooling water flows into passage (4-2) like this, this conducting rod cooling water inlet opening (4-5), this conducting rod cooling water flow out of passage (4-6), this conducting rod cooling water apopore (4-4) forms path with this conducting rod cooling water bottom circulation passage (4-7), this conducting rod cooling water apopore (4-4) coordinates conducting with the coolant outlet cannelure (6-4) of water collar (6), this conducting rod cooling water inlet opening (4-5) coordinates conducting with the cooling water inlet cannelure (6-2) of water collar (6), thereby form a complete path, at the upper sealing ring (28) of using of water-cooled conducting rod (4), water route is sealed.
5. want the 4 special-purpose narrow gap of described aluminium busbar welding MIG welding guns according to right, it is characterized in that, described gas diverter (2) is to have processed 6 pores i.e. 3 venthole A (2-1) and 3 venthole B (2-2) for air guide, this gas diverter (2) top is threaded with water-cooled conducting rod (4), and this gas diverter (2) bottom is threaded with this bias ignition tip (1).
6. according to the special-purpose narrow gap of the described aluminium busbar welding of claim MIG welding gun, it is characterized in that, also be provided with axle sleeve I (8), axle sleeve II (10), insulation sleeve (20) and felt pad (7), above-mentioned member all adopts insulating materials, wherein this axle sleeve I (8) is embedded in cover plate (16) hole of casing (13), this axle sleeve II (10) is embedded in the hole of casing (13) panel, this insulation sleeve (20) embeds in the bolt connecting hole of water collar (6), this felt pad (7) is arranged between the cover plate (16) and water collar (6) of casing (13), lower end at water collar (6) is connected by screw with insulation spacer shell (5), this water-cooled nozzle (23) upper end coordinates with this insulation spacer shell (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202390050U CN203316890U (en) | 2013-05-06 | 2013-05-06 | Narrow gap MIG welding gun for aluminum bus welding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202390050U CN203316890U (en) | 2013-05-06 | 2013-05-06 | Narrow gap MIG welding gun for aluminum bus welding |
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Cited By (8)
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| CN103658942A (en) * | 2013-12-31 | 2014-03-26 | 哈尔滨工业大学 | Oscillating-arc narrow-gap MIG/MAG (Metal Inert Gas/Metal Active Gas) welding torch |
| CN103862212A (en) * | 2013-12-31 | 2014-06-18 | 郑州科慧科技股份有限公司 | Handheld automatic welding head for welding closely-spaced small-diameter metal pipes |
| CN104384683A (en) * | 2014-09-22 | 2015-03-04 | 武汉纳瑞格智能设备有限公司 | Automatic multifunctional narrow-clearance/super-narrow-clearance gas protection welding gun and manufacturing method thereof |
| CN104999170A (en) * | 2015-06-26 | 2015-10-28 | 武汉纳瑞格智能设备有限公司 | Self-circulation water-cooling ultra-narrow gap MAG/MIG welding gun based on contact-surface-free heat conduction |
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| CN115709327A (en) * | 2022-11-30 | 2023-02-24 | 哈尔滨工业大学 | Smart welding gun suitable for repairing narrow-gap welding defects |
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| CN103658942A (en) * | 2013-12-31 | 2014-03-26 | 哈尔滨工业大学 | Oscillating-arc narrow-gap MIG/MAG (Metal Inert Gas/Metal Active Gas) welding torch |
| CN103862212A (en) * | 2013-12-31 | 2014-06-18 | 郑州科慧科技股份有限公司 | Handheld automatic welding head for welding closely-spaced small-diameter metal pipes |
| CN103658942B (en) * | 2013-12-31 | 2015-09-16 | 哈尔滨工业大学 | swing arc narrow gap MIG/MAG welding torch |
| CN103862212B (en) * | 2013-12-31 | 2016-01-20 | 郑州科慧科技股份有限公司 | A kind of hand-held automatic welding head for the welding of solid matter small-caliber metal tubes |
| CN104384683A (en) * | 2014-09-22 | 2015-03-04 | 武汉纳瑞格智能设备有限公司 | Automatic multifunctional narrow-clearance/super-narrow-clearance gas protection welding gun and manufacturing method thereof |
| CN104999170A (en) * | 2015-06-26 | 2015-10-28 | 武汉纳瑞格智能设备有限公司 | Self-circulation water-cooling ultra-narrow gap MAG/MIG welding gun based on contact-surface-free heat conduction |
| CN106903410A (en) * | 2017-03-28 | 2017-06-30 | 付可森 | A kind of carbon-dioxide arc welding gas energy-saving controller |
| CN108608094A (en) * | 2018-04-28 | 2018-10-02 | 武汉纳瑞格智能设备有限公司 | A kind of efficient gas-saving type ultra-narrow gap MAG/MIG automatic welding secondary air protective devices |
| CN108637440A (en) * | 2018-04-28 | 2018-10-12 | 武汉纳瑞格智能设备有限公司 | A kind of ultra-narrow gap MAG/MIG automatic welding gun metallic nozzles with ignition tip insulation |
| CN115709327A (en) * | 2022-11-30 | 2023-02-24 | 哈尔滨工业大学 | Smart welding gun suitable for repairing narrow-gap welding defects |
| CN115709327B (en) * | 2022-11-30 | 2024-01-26 | 哈尔滨工业大学 | Smart welding gun suitable for repairing narrow-gap welding defects |
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Granted publication date: 20131204 Termination date: 20140506 |