CN202804459U - Energy-saving tungsten electrode argon arc adjustable welding torch component - Google Patents
Energy-saving tungsten electrode argon arc adjustable welding torch component Download PDFInfo
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- CN202804459U CN202804459U CN 201220405853 CN201220405853U CN202804459U CN 202804459 U CN202804459 U CN 202804459U CN 201220405853 CN201220405853 CN 201220405853 CN 201220405853 U CN201220405853 U CN 201220405853U CN 202804459 U CN202804459 U CN 202804459U
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Abstract
An energy-saving tungsten electrode argon arc adjustable welding torch component comprises a welding gun, and an electrical control gear connected with the welding gun. The welding gun comprises a tungsten bar clamping component, a motor reducer (6), a cooling jacket, an arc nozzle (57), a nozzle pressing ring and a shielding gas nozzle. The tungsten bar clamping component comprises a tungsten bar (63) and a middle bar (84) which drives the tungsten bar (63) to ascend or descend. The cooling jacket is used for transmitting cool air membranes and argon shield flow. An argon arc welding machine is used as a welding power supply, and the motor reducer (6) is used as a driving source. Due to the facts that a confining ring (96), a connecting ring (90), a vertical nut (87) and the middle bar (84) are used to achieve ascending or descending motion of the tungsten bar (63), and the electrical control gear controls the rotation direction of the motor reducer (6) and further controls the communication between a top nut contact (21) and an upper piece contact (15) or a lower piece contact (22), and the adjustment of the tungsten bar (63) in a free and stepless continuous mode can be achieved, and resetting of the tungsten bar (63) in the process of arc blowout can be achieved.
Description
Technical field
The utility model relates to a kind of TIG Welding Machine, relates in particular to a kind of adjustable welding torch assembly of energy-conservation argon tungsten-arc welding that can offer the adjustable current density of TIG Welding Machine.
Background technology
The electric arc that existing TIG Welding Machine produces is divergent shape, and shape such as umbrella, the heat affected area is wide, fusion penetration is little, electric arc is stable not, and the shortcoming of the drift of producing is arranged, and easily produces manufacturing deficiency, simultaneously welder's operating technology is had very high requirement.People develop again the plasma-arc solder technology, adopt the plasma welding machine of plasma-arc to have the energy density height, and directive property is good, good stability, fusion penetration are large, the advantage of heating region high concentration.But, the complex structure of plasma welding machine, expensive several times than general argon arc welding machine of costs, and for some weld gap the large or inhomogeneous workpiece in slit, plasma-arc also is not suitable for.Under a lot of actual conditions, the seam of welded piece can not be very even, and the argon arc that single employing is common or plasma-arc all can not advantageously address the above problem and contradiction.So need a kind of argon arc welding machine that can in welding process, can arbitrarily be changed at any time by the demand of the size in workpiece slit by operating personnel arc current density; but existing welding equipment arc adjustment device; there is unreasonable structure in the governor motion that is tungsten bar; cooling water circulation is not in place also abundant not; the air film protection is inhomogeneous also can't be regulated, even outside not reliably insulation.
So, really need a kind of the allowing can be easy to operate in welding process by operating personnel, easily regulate electric arc with the complexity of adaptation condition, and reliable, the TIG Welding Machine welding torch that uses safety, low cost of manufacture rational in infrastructure.
The utility model content
The purpose of this utility model is to provide a kind of energy-conservation argon tungsten-arc welding adjustable welding torch assembly, and this welding torch can be regulated arc energy density, and obtains high efficiency welding in the situation that does not increase power.
To achieve these goals, the utility model provides a kind of and has regulated the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding of arc energy density with motor as driving, comprise welding gun, aqueous vapor electric control box, cooling water recirculation system, argon supply system, and the electrical control gear that links to each other with described welding gun, described welding gun comprises a tungsten bar clamp assembly, insulating coating, motor reducer, cooling jacket, arc nozzle, nozzle compacting ring, protect gas jets and be arranged on operating grip and arc adjustment switch on the described insulating coating; The water, gas and electricity road of described operating grip inside links to each other with external water pneumoelectric control cabinet; The middle rod that described tungsten bar clamp assembly comprises tungsten bar and drives described tungsten bar lifting; Described welding gun also comprises upper slice contact and sheet contact once; Described cooling jacket is for delivery of cold air film and argon shield stream; Described tungsten bar clamp assembly is inserted in the described cooling jacket, cooling jacket has arc nozzle, adopt the nozzle compacting ring that arc nozzle is fixedly connected with cooling jacket, protection gas jets and nozzle compacting ring match again, and described tungsten bar moves up and down by the centre bore of arc nozzle; Supporting one prohibits circle on the output shaft of described motor reducer, drives when making the output shaft rotation of motor reducer and prohibits the circle synchronous rotary; Described taboo circle is connected with a clamping ring, and described clamping ring is fixedly connected with lower nut on, so that motor reducer and upper lower nut synchronous rotary; Described upper lower nut is connected with described middle rod, and described middle rod is connected with a jacking nut contact; Adopt argon arc welding machine as the source of welding current, with motor reducer as drive source, finish the action that tungsten bar rises and descends by prohibiting circle, clamping ring, upper lower nut and middle rod, and by described electrical control gear control motor reducer rotation direction, and then being communicated with of control jacking nut contact and upper slice contact or time sheet contact, realize tungsten bar freely, stepless continuous ground is adjustable, and when blow-out, reset.
Further, drive to control described tungsten bar by described motor reducer and promote or put down, or employing is manual or utilize spring control, or utilize the magnetic force hoisting of magnetic field generation or put down described tungsten bar.
Further, described electrical control gear comprises relay assembly, draws blow-out switch, electric welding machine radio-frequency generator and reversing switch; By described reversing switch control motor reducer rotation direction, and then being communicated with of control jacking nut contact and upper slice contact or time sheet contact, make relay assembly work, and then control described tungsten bar and move up and down at the centre bore of arc nozzle, realize tungsten bar freely, stepless continuous ground is adjustable, and gets back to original shape when the blow-out by the described blow-out switch control tungsten bar that draws.
Further, described clamping ring and upper lower nut are fixed by a round pin, by adopting the combination that links of described taboo circle, clamping ring, upper lower nut and round pin, make described middle rod keep motion steadily.
Further, described middle rod is provided with air drain d and keyway c, and described tungsten bar clamp assembly comprises that also one is used for clamping the interior chuck of described tungsten bar, and described inner clip is set between lower jacking nut and the upper lower nut, clamps by nut; Clamp tungsten bar by described middle rod, interior chuck, lower jacking nut and nut; Described arc nozzle is from tungsten bar top or bottom loading and unloading.
Further, described cooling jacket comprises cover, cooling jacket in cooling inner sleeve, the cooling, two water pipes and one first tracheae; Described cooling jacket forms an integral body by soldering; In the cover water proof sheet is set in the described cooling; The argon gas of cold air film outlet output is by the air drain d on the second tracheae, the middle rod, lower jacking nut, cooling inner sleeve, enters the centre bore of arc nozzle again and forms the cold air film, and the diameter of centre bore reduces to form one deck cold air film and then compression arc suddenly; The argon gas of protection gas outlet forms protect gas reservoir by sending under many on the gap between the first tracheae, cooling jacket, nozzle compacting ring and the arc nozzle and the arc nozzle round grooves.
Further, have many round grooves on the midplane of described arc nozzle, the diameter DE of the centre bore of described arc nozzle=[tungsten bar diameter+(0.5 ~ 1.5)] mm, the length DL of described centre bore=[tungsten bar diameter+(0 ~ 1.5)] mm.
Further, described arc nozzle adopts direct water-cooling or adopts indirect water-cooling.
Further, described indirect water-cooling further adopts inclined-plane or screw thread.
Further, arrange one at described welding gun middle part and adjust circle, be used for rod and arc nozzle are separated from each other.
The utility model has the advantage of provides a kind of energy-conservation argon tungsten-arc welding adjustable welding torch assembly, and this welding torch can be regulated arc energy density, and obtains high efficiency welding in the situation that does not increase power.This welding torch can be applicable to any TIG Welding Machine, and the electric arc that produces can be transitioned into plasma arc gradually by common argon arc, this welding torch can by operating personnel the welding arc stepless continuous regulate between free electric arc and compression arc, just can obtain significant energy-saving effect because the welder can arbitrarily regulate the energy density of electric arc, also reduce the technical ability requirement to the welder.Make low-level welder be easy to rise to and be high level welder, make a lower argon arc welding machine of price can have the function of this welding machine itself, also had the function of expensive plasma motor, and two kinds of different electric arcs can stepless continuous ground phase co-conversion.
According to the technical solution of the utility model; tungsten bar can be loaded onto or draw off easily; can back out the protector nozzle first; again the nozzle compacting ring is backed out; take out arc nozzle; then with one screwdriver is unscrewed lower jacking nut, at this moment interior chuck just loses clamping action, and can load and unload easily tungsten bar this moment; equally also can set about from welding torch top carrying out the insertion of tungsten bar and drawing off; can unscrew first the first line of a couplet and take over, then take away shell and motor reducer, unclamp again lower jacking nut contact; then can back-out by hand clamping ring and upper lower nut; unscrew nut by screwdriver again, then interior chuck has just unclamped, and just can extract tungsten bar or insert out.
Description of drawings
Fig. 1 is the cutaway view of the welding gun part-structure of the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model;
Fig. 2 is the cooling jacket STRUCTURE DECOMPOSITION schematic diagram in the welding gun structure shown in Figure 1;
Fig. 3 A is the schematic diagram of nested structure in the cooling shown in Figure 2;
Fig. 3 B is the cutaway view of nested structure in the cooling shown in Fig. 3 A;
Fig. 4 A is the schematic diagram of nested structure in the cooling shown in Figure 2;
Fig. 4 B is the cutaway view of nested structure in the cooling shown in Fig. 4 A;
Fig. 5 is the cutaway view of cooling jacket structure shown in Figure 2;
Fig. 6 is the cutaway view of tungsten bar clamp assembly structure shown in Figure 1;
Fig. 7 A-7D is the cutaway view of each nozzle arrangements shown in Figure 1;
Fig. 8 is the cutaway view of nozzle compacting ring structure shown in Figure 1;
Fig. 9 is the aqueous vapor electric control box schematic diagram of the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model;
Figure 10 is the electrical control gear schematic diagram of the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model;
Figure 11 A-11C is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding shown in Figure 1 adopts respectively manually, magnetic field force, spring are regulated tungsten bar generalized section up and down;
Figure 12 A-12C is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding shown in Figure 1 adopts direct water-cooling but or the but generalized section of arc nozzle of various screw thread, inclined-plane indirect water-cooling.
[primary clustering symbol description]
1, screw rod; 2, pin; 3, upper shell;
6, motor reducer; 9, the first line of a couplet is taken over; 12, rotating nut;
12, screw; 15, upper slice contact; 18, top nut post;
21, jacking nut contact; 22, lower contact; 24, nut;
27, middle inner sleeve; 30, nut; 33, adjust circle;
36, cooling inner sleeve; 39, lower casing; 42, the second line of a couplet is taken over;
45, lower jacking nut; 48, cover in the cooling; 481, water proof sheet;
482, boss; 51, cooling jacket; 54, nozzle compacting ring;
57, arc nozzle; 571, justify groove; 60, protection gas jets;
63, tungsten bar; 66, interior chuck; 69, the first tracheae;
72, water pipe; 721, water inlet pipe; 722, outlet pipe;
73, cannelure; 75, the second tracheae; 78, wire;
81, connect screwed pipe; 84, middle rod; 87, upper lower nut;
90, clamping ring; 93, bearing; 96, prohibit circle;
97, magnetosphere; 98, pin; 99, operating grip;
101, the first tank switch; 102, reversing switch; 103, the second tank switch;
105, draw the blow-out switch; 108, round pin; 109, Compress Spring;
A, tank; B, air drain; C, keyway;
F, external screw thread; D, air drain; E, nut groove.
The specific embodiment
The specific embodiment of the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding that the utility model is provided below in conjunction with accompanying drawing elaborates.
The related adjustable welding torch assembly of energy-conservation argon tungsten-arc welding of the utility model comprises welding gun, the electrical control gear that links to each other with described welding gun, aqueous vapor electric control box and peripheral cooling water recirculation system, argon supply system.Described welding gun comprises a tungsten bar clamp assembly, insulating coating, motor reducer, cooling jacket, arc nozzle, nozzle compacting ring, protect gas jets and be arranged on operating grip and arc adjustment switch on the described insulating coating; The water, gas and electricity road of described operating grip inside links to each other with external water pneumoelectric control cabinet; The middle rod that described tungsten bar clamp assembly comprises tungsten bar and drives described tungsten bar lifting.
At first, in conjunction with reference to figure 1,2 and accompanying drawing 6 shown in, put motor reducer 6 in the upper shell 3, and there is bolt to fix, supporting upper taboo circle 96 on the output shaft of motor reducer 6, use again screw 12 fastening, in output shaft when rotation of motor reducer 6, driven prohibit circle 96 synchronous rotaries, prohibiting circle 96 bottoms is square healths, the party's health inserts in the square hole at clamping ring 90 centers, clamping ring 90 and upper lower nut 87 usefulness round pins 108 are fixing, and the result of the combination of above-mentioned part is that motor reducer 6 rotations and upper lower nut 87 are synchronous.By adopting the combination that links of described taboo circle 96, clamping ring 90, upper lower nut 87 and round pin 108, make bearing 93 keep motion steadily, thereby make described middle excellent 84 to keep motion steadily.
There is one section external screw thread upper lower nut 87 lower ends, this external screw thread links to each other with the internal thread of middle excellent 84 upper ends and joins, the external screw thread of upper lower nut 87 is placed in the internal thread of middle excellent 84 upper ends, on the middle inner sleeve 27 screw is arranged, jacking nut contact 21 leading sections have external screw thread, described external screw thread is screwed in the screw of middle inner sleeve 27, and be screwed in the keyway c of middle excellent 84 upper ends, when the rotation under motor reducer 6 drives of upper lower nut 87, because the external screw thread of jacking nut contact 21 front ends is in middle excellent 84 keyway c, so middle excellent 84 can move up and down and can not rotate, middle excellent 84 tungsten bars 63 that move up and down in the middle of will driving move up and down together.
The tungsten bar clamp assembly (see figure 6) that accompanies tungsten bar 63 is inserted in (see figure 2) in the cooling jacket; arc nozzle 57 is arranged under the cooling jacket; adopting the external screw thread of the internal thread of nozzle compacting ring 54 and cooling jacket to match is pressed in arc nozzle 57 on the lower plane of cooling jacket tightly again; the internal thread of protection gas jets 60 and the external screw thread of nozzle compacting ring 54 match, and tungsten bar 63 moves up and down by the centre bore in the middle of arc nozzle 57 bottoms.Described welding gun also comprises upper slice contact 15 and sheet contact 22 once; Adopt argon arc welding machine as the source of welding current, with motor reducer 6 as drive source, finish the action that tungsten bar 63 rises and descends by taboo circle 96, clamping ring 90, upper lower nut 87 and middle excellent 84, and by described electrical control gear control motor reducer 6 rotation directions, and then being communicated with of control jacking nut contact 21 and upper slice contact 15 or time sheet contact 22, realize tungsten bar 63 freely, stepless continuous ground is adjustable, and when blow-out, reset.Arrange one at described welding gun middle part and adjust circle 33, be used for rod 84 and arc nozzle 57 are separated from each other.Wire 78 joins with the negative pole of argon arc welding machine.
The argon shield stream of protection gas outlet enters the first tracheae 69 by expansion box; enter afterwards cooling jacket 51; enter nozzle compacting ring 54 and the gap that arc nozzle 57 forms by air drain d again, form protect gas reservoir by many on the arc nozzle 57 round grooves again.
The argon gas cold air film of cold air film outlet output enters the second tracheae 75 by expansion box, and enter air drain d on middle excellent 84 by middle inner sleeve 27, enter centre bore in the arc nozzle 57 by air drain d again, form the cold air film, very large effect is played in the compression of electric arc.The diameter of centre bore suddenly reduces and forms the strong cold air film of one deck and compressed electric arc.
Referring to accompanying drawing 2,3,4 and accompanying drawing 5, described cooling jacket comprises cooling inner sleeve 36, overlaps 48 in the cooling, cooling jacket 51 and two water pipes and a tracheae 1, and its effect is the transporting cold-air film and carries the protection argon gas.Cooling inner sleeve 36(sees Fig. 3 A-3B) on to be welded with 72, one in two water pipes be water inlet pipe 721, another root is outlet pipe 722, has flat water flowing cannelure 73 under the cooling inner sleeve 36 top circle plates.Cover 48(sees Fig. 4 A-4B in the cooling) in inlayed a water proof sheet 481, in water proof sheet 481 upper ends and the cooling on the cover 48 plane concordant, wider gap is left less than cover 48 bottom in the cooling in the lower end, the internal diameter of cover 48 is greater than the external diameter that cools off inner sleeve 36 in the cooling; On the cover 48 boss 482 is arranged in the cooling, the aperture of cover 48 and the external diameter in the same size of cooling off inner sleeve 36 in the cooling; Cooling inner sleeve 36 is filled in the cooling and is just left a ring gap behind the cover 48 between two parts, allows two water pipes place water proof sheet about 481 during installation, and water inlet can not be short-circuited with water outlet like this, and maximum area ground cools off.Cooling jacket 51(sees Fig. 5) upper end is welded with one first tracheae 69; the internal diameter of cooling jacket 51 is greater than the external diameter of cover 48 in the cooling; cooling inner sleeve 48 just leaves a ring gap after filling in cooling jacket 51 between two parts, flow into the ring gap between cooling inner sleeve 48 and the cooling jacket 51 after the protection argon gas stream enters from the first tracheae 69 again.
Referring to accompanying drawing 6, described tungsten bar clamp assembly comprises middle excellent 84, tungsten bar 63, nut 24, interior chuck 66, lower jacking nut 45.Interior chuck 66 is copper parts that the bottom has the line of rabbet joint; Middle excellent 84 is that the upper end has the larger internal thread of a diameter, and endoporus has the less internal thread of a diameter, and there is an external screw thread lower end, and the middle part is with an air drain d, and the upper end has the part of keyway c; There is an internal thread lower jacking nut 45 upper ends, and there is a flat ditch nut groove e lower end.After tungsten bar 63 is filled in the endoporus of interior chuck 66, fill in together middle excellent 84 endoporus, then screw in the above behind the nut 24, as long as being screwed to middle excellent 63 lower ends, lower jacking nut 45 just can clamp tungsten bar 63, can twist lower jacking nut 45 very tightly by screwdriver, this is owing under the endoporus of lower jacking nut 45 inclined-plane is arranged, and this inclined-plane holds out against inner clip and overlaps and its line of rabbet joint is tightened up after 66 lower bevel and clamped securely tungsten bar 63.
Referring to accompanying drawing 7A-7D, described arc nozzle 57 is good by thermal conductivity, and the anaerobic pure copper material that thermal capacity is large processes, and digging on the midplane of arc nozzle 57 has many round grooves 571.Described arc nozzle 57 can adopt direct water-cooling or adopt the indirect water-cooling cooling, and described indirect water-cooling cooling further can be adopted but arc nozzle 57 of various screw threads or inclined-plane indirect water-cooling.The diameter of bore DE of the centre bore of arc nozzle 57 and aperture length DL and tungsten bar diameter have certain proportionate relationship, namely, the diameter DE of the centre bore of described arc nozzle 57=[tungsten bar diameter+0.5 ~ 1.5] mm, the length DL of described centre bore=[tungsten bar diameter+0 ~ 1.5] mm.
Referring to accompanying drawing 8, internal thread and external screw thread are arranged at the top of nozzle compacting ring 54, and the external diameter of arc nozzle 57 is less than the internal diameter of nozzle compacting ring 54, have just produced the gap after cooperatively interacting, for argon gas flows out the condition of having created.
Referring to accompanying drawing 9, the aqueous vapor electric control box comprises current transformer and cyclelog; The composition of cyclelog has transformer, electric control (machine governor), rectifier and relay assembly (comprising four relays) to form, and current transformer is comprised of air inlet, the outlet of cold air film, protector outlet and expansion box (not shown).
Referring to accompanying drawing 10, electrical control gear comprises current transformer, draws blow-out switch 105, electric welding machine radio-frequency generator, signal lamp, reversing switch 102 and relay assembly (comprising four relays).Reversing switch 102 is the switches that can change motor polarity, by the operation to this switch, can make the motor forward or reverse, also can make motor stop at a certain intermediateness.By described reversing switch 102 control motor reducers 6 rotation directions, and then being communicated with of control jacking nut contact 21 and upper slice contact 15 or time sheet contact 22, make relay assembly work, and then control described tungsten bar 63 and move up and down at the centre bore of arc nozzle 57, realize tungsten bar 63 freely, stepless continuous ground is adjustable, and gets back to original shape when the blow-out by the described blow-out switch 105 control tungsten bars 63 that draw.Present embodiment drives to control described tungsten bar 63 by described motor reducer and promotes or put down, also can adopt in other embodiments manually or utilize spring control, or utilize the magnetic force hoisting that the suction magnetic field in the magnetic field that produces behind the coil electricity produces or put down described tungsten bar 63.
Referring to accompanying drawing 11A-11C, wherein accompanying drawing 11A is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model adopts manual adjustments tungsten bar generalized section up and down, accompanying drawing 11B is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model adopts magnetic field force to regulate tungsten bar generalized section up and down, and accompanying drawing 11C is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model adopts spring to regulate tungsten bar generalized section up and down.
Referring to accompanying drawing 12A-12C, wherein accompanying drawing 12A is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model adopts direct water-cooling but to cool off the generalized section of arc nozzle, accompanying drawing 12B is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model adopts various screw thread indirect water-coolings but to cool off the generalized section of arc nozzle, and accompanying drawing 12C is that the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding described in the utility model adopts the inclined-plane indirect water-cooling but to cool off the generalized section of arc nozzle.
Continuation is referring to accompanying drawing 8, and welding process begins the protection gas control valve in the outlet of protection gas is transferred to suitable position, and the position is not protect gas output as shown in Figure 8; Swivel bolt 90 degree can reach maximum protection gas output.Between 0 ~ 90 degree, strengthen with angle, the output of protection gas also strengthens gradually; the cold air film-strength reduces gradually in the process that protection gas strengthens gradually; the cold air film reduces namely electric arc to be compressed to reduce gradually, and the argon gas of air inlet derives from argon bottle, is that homeostasis is constant after its flow mixes up.
Next, referring to Fig. 1, Fig. 2, Fig. 3 A-3B and accompanying drawing 6, the argon gas of cold air film outlet output enters the second tracheae 75(and sees Fig. 1), the air drain d(that enters on middle excellent 84 by this pipe again sees Fig. 6), enter in the cavity of cooling inner sleeve 36 along the cylindrical of the lower jacking nut 45 of the dirty process of groove again, enter again the centre bore of arc nozzle 57 and form the cold air film.In addition; the argon gas of protection gas outlet enters the internal diameter gap that enters again cooling jacket 51 behind the first tracheae 69 and enters into gap between nozzle compacting ring 54 and the arc nozzle 57, again by forming protect gas reservoir along sending under the wall behind many on the arc nozzle 57 round grooves.
Next, referring to Fig. 9, Figure 10, press the first water tank 101 switches, make relay assembly work; Close again the second tank switch 103 on the cyclic water tank is so water is sent to the water pipe 72 from outlet; Current enter the flat cannelure of cooling on the inner sleeve 36, and the water proof sheet 481 in the cooling on the cover 48 is dirty in bottoms, out enter into water inlet on the cyclic water tank from delivery port again; Then press HF switch, welding machine striking success, the electric arc that produce this moment is a kind of common free electric arc, is umbrella, easily drift, so always common argon tungsten-arc welding is exactly, and the welder need to have higher technical level.
Press reversing switch 102 again, connect motor reducer 6, motor reducer 6 forwards drive prohibits circle 96, prohibit circle 96 and drive again clamping ring 90, clamping ring 90 joins with upper lower nut 87 usefulness round pins 108, so go up also forward of lower nut 87, sees Fig. 6 with the upper lower nut 87 middle excellent 84(that turns that matches).Because there is keyway c middle excellent 84 upper ends, and rod 84 rotates in 21 restrictions of jacking nut contact, thus about middle excellent 84 straight lines, and with tungsten bar 63 together about.When rising gradually near arc nozzle 57 centre bores in the tip of tungsten bar 63, and gradually during the indentation centre bore, its electric arc has been subject to the contracting of cold air mould, also be subject to the mechanical compress of the hole wall of arc nozzle 57 centre bores, arc diameter is reduced greatly, the electric arc that attenuates simultaneously can produce magnetic compression again, strengthens under the reinforcement gradually in this three large compression, and arc diameter is more and more thinner, but arc power does not reduce, arc temperature suddenly raises, and is elevated to 30000 ~ 50000 degree by 7000 degree, and drift disappears, arc stiffness is good, electric arc just develops into plasma-arc gradually from common free electric arc like this, and the welder is easy to operate, and rudimentary welder can weld high-quality weld seam easily.
Next, middle excellent 84 drive tungsten bar 63 continues to rise, make middle excellent 84 upper ends bump against a contact 15, going up like this a contact 15 connects with jacking nut contact 21, make corresponding relay assembly work, motor reducer 6 stalls, the interior degree of depth of tungsten bar 63 indentation arc nozzles 57 centre bores this moment reaches maximum, and the electric arc compression reaches capacity, as stirring reversing switch 102 again, the polarity of motor reducer 6 is changed, motor reducer 6 counter-rotatings so middle excellent 84 drive tungsten bars 63 descend, make middle excellent 84 lower ends bump against lower contact 22, descend like this sheet contact 22 and jacking nut contact 21 to connect, make corresponding relay assembly work, motor reducer 6 stalls, tungsten bar 63 stretches out arc nozzle 57 centre bores and reaches maximum length outward at this moment, electric arc has been to form free electric arc, and this electric arc is dispersed, drift, unstable.
The above-mentioned tungsten bar 63 of just having described is at two extreme positions up and down, in the actual welding process, tungsten bar 63 can rest on the arbitrary position between these two extreme positions, and corresponding electric arc also is in compression in various degree, and valuable is that this electric arc compression is continuous stepless.
Welding is finished, draw blow-out switch 105 and make 0,1 disconnects, connect 0,2 points, so the blow-out contact is communicated with, make corresponding relay assembly work, connected like this return circuit of motor reducer 6, motor reducer 6 counter-rotatings, if this moment tungsten bar 63 overhanging maximums, then be exactly that lower sheet contact 22 is connected with jacking nut contact 21, make corresponding relay assembly work, so upper slice contact 15 corresponding relay assemblies are opened, motor reducer 6 can't be worked, if tungsten bar 63 is not in this other any position, then descend sheet contact 22 and jacking nut contact 21 to disconnect, corresponding relay assembly is not worked, and the blow-out contact 0 so, after 2 connections, make corresponding relay assembly work, motor reducer 6 counter-rotatings, tungsten bar 63 descends, and makes corresponding relay assembly work, motor reducer 6 stalls until tungsten bar 63 bumps against with lower contact 22, tungsten bar 63 stretches out arc nozzle 57 centre bore outermost, when this position also was the designed striking of this project, the fixed position that tungsten bar 63 should be in was during each striking, tungsten bar 63 must be in this fixed position, to guarantee the reliability of striking.
The above only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. adjustable welding torch assembly of energy-conservation argon tungsten-arc welding, comprise welding gun and the electrical control gear that links to each other with described welding gun, it is characterized in that described welding gun comprises tungsten bar clamp assembly, motor reducer (6), cooling jacket, arc nozzle (57), nozzle compacting ring (54), protection gas jets (60); The middle rod (84) that described tungsten bar clamp assembly comprises tungsten bar (63) and drives described tungsten bar (63) lifting; Described welding gun also comprises upper slice contact (15) and once sheet contact (22); Described cooling jacket is for delivery of cold air film and argon shield stream; Described tungsten bar clamp assembly is inserted in the described cooling jacket, cooling jacket has arc nozzle (57), adopt again nozzle compacting ring (54) that arc nozzle (57) is fixedly connected with cooling jacket, protection gas jets (60) matches with nozzle compacting ring (54), and described tungsten bar (63) moves up and down by the centre bore of arc nozzle (57); Supporting one prohibits circle (96) on the output shaft of described motor reducer (6), drives when making the output shaft rotation of motor reducer (6) and prohibits circle (96) synchronous rotary; Described taboo circle (96) is connected with a clamping ring (90), and lower nut (87) is fixedly connected with on the described clamping ring (90) and, so that motor reducer (6) and upper lower nut (87) synchronous rotary; Described upper lower nut (87) is connected with described middle rod (84), and described middle rod (84) is connected with a jacking nut contact (21); Adopt argon arc welding machine as the source of welding current, with motor reducer (6) as drive source, finish the action that tungsten bar (63) rises and descends by prohibiting circle (96), clamping ring (90), upper lower nut (87) and middle rod (84), and by described electrical control gear control motor reducer (6) rotation direction, and then being communicated with of control jacking nut contact (21) and upper slice contact (15) or time sheet contact (22), realize tungsten bar (63) freely, stepless continuous ground is adjustable, and when blow-out, reset.
2. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1, it is characterized in that, controlling described tungsten bar (63) by described motor reducer driving (6) promotes or puts down, or employing is manual or utilize spring control, or utilizes the magnetic force hoisting of magnetic field generation or put down described tungsten bar (63).
3. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1 is characterized in that, described electrical control gear comprises relay assembly, draws blow-out switch (105), electric welding machine radio-frequency generator and reversing switch (102); By described reversing switch (102) control motor reducer (6) rotation direction, and then being communicated with of control jacking nut contact (21) and upper slice contact (15) or time sheet contact (22), make relay assembly work, and then control described tungsten bar (63) and move up and down at the centre bore of arc nozzle (57), realize tungsten bar (63) freely, stepless continuous ground is adjustable, and gets back to original shape when the blow-out by described blow-out switch (105) the control tungsten bar (63) that draws.
4. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1, it is characterized in that, further, described clamping ring (90) and upper lower nut (87) are fixing by a round pin (108), by adopting the combination that links of described taboo circle (96), clamping ring (90), upper lower nut (87) and round pin (108), make described middle rod (84) keep motion steadily.
5. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1, it is characterized in that, described middle rod (84) is provided with air drain d and keyway c, described tungsten bar clamp assembly comprises that also one is used for clamping the interior chuck (66) of tungsten bar (63), described interior chuck (66) is arranged between lower jacking nut (45) and the upper lower nut (87), clamps by nut (24); Clamp tungsten bar (63) by described middle rod (84), interior chuck (66), lower jacking nut (45) and nut (24); Described arc nozzle (57) is from tungsten bar (63) top or bottom loading and unloading.
6. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1 is characterized in that, described cooling jacket comprises cover (48), cooling jacket (51), two water pipes (72) and one first tracheae (69) in cooling inner sleeve (36), the cooling; Described cooling jacket forms an integral body by soldering; In the cover (48) a water proof sheet (481) is set in the described cooling; The argon gas of cold air film outlet output is by the air drain d on the second tracheae (75), the middle rod (84), lower jacking nut (45), cooling inner sleeve (36), enter the centre bore of arc nozzle (57) again and form the cold air film, the diameter of centre bore reduces to form one deck cold air film and then compression arc suddenly; The argon gas of protection gas outlet forms protect gas reservoir by sending under the gap between the first tracheae (69), cooling jacket (51), nozzle compacting ring (54) and the arc nozzle (57) and many round grooves (571) on the arc nozzle (57).
7. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1, it is characterized in that, have many round grooves (571) on the midplane of described arc nozzle (57), the diameter DE of the centre bore of described arc nozzle (57)=[tungsten bar (63) diameter+(0.5 ~ 1.5)] mm, the length DL of described centre bore=[tungsten bar (63) diameter+(0 ~ 1.5)] mm.
8. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1 is characterized in that, described arc nozzle (57) adopts direct water-cooling or adopts indirect water-cooling.
9. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 8 is characterized in that described indirect water-cooling further adopts inclined-plane or screw thread.
10. the adjustable welding torch assembly of energy-conservation argon tungsten-arc welding according to claim 1 is characterized in that, arranges one at described welding gun middle part and adjusts circle (33), is used for rod (84) and arc nozzle (57) are separated from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405853 CN202804459U (en) | 2012-08-16 | 2012-08-16 | Energy-saving tungsten electrode argon arc adjustable welding torch component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405853 CN202804459U (en) | 2012-08-16 | 2012-08-16 | Energy-saving tungsten electrode argon arc adjustable welding torch component |
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| CN202804459U true CN202804459U (en) | 2013-03-20 |
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| CN 201220405853 Expired - Fee Related CN202804459U (en) | 2012-08-16 | 2012-08-16 | Energy-saving tungsten electrode argon arc adjustable welding torch component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814581A (en) * | 2012-08-16 | 2012-12-12 | 张益炯 | Energy-saving argon tungsten-arc welding assembly with adjustable welding torch |
| CN103203524A (en) * | 2013-04-16 | 2013-07-17 | 上海格瀚斯机械有限公司 | Self-adjusting welding torch component and self-adjusting argon arc welding energy-saving machine top cabinet component |
-
2012
- 2012-08-16 CN CN 201220405853 patent/CN202804459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814581A (en) * | 2012-08-16 | 2012-12-12 | 张益炯 | Energy-saving argon tungsten-arc welding assembly with adjustable welding torch |
| CN103203524A (en) * | 2013-04-16 | 2013-07-17 | 上海格瀚斯机械有限公司 | Self-adjusting welding torch component and self-adjusting argon arc welding energy-saving machine top cabinet component |
| CN103203524B (en) * | 2013-04-16 | 2015-09-23 | 上海格瀚斯机械有限公司 | Self-regulated welding torch assembly and self-regulated argon arc welding energy-saving machine Top Tank assembly |
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