A kind of outgoing line porcelain bushing water-cooled automatic rotation argon arc welding machine
The utility model relates to field of welding devices, is specifically related to a kind of outgoing line porcelain bushing water-cooled automatic rotation argon arc welding machine.
Power capacitor is a kind of important power compensating device of power system, and its metal shell is welded to form by the end, tank wall, lid, joint hinge and nameplate fixed head etc.Tank wall adopts sheet metal to be formed by special-purpose bender time processing, and the end and lid etc. is stamping.The power capacitor outgoing line porcelain bushing is by bolt and nut, pad, cap, and porcelain friendship and flange, lead-out wire are formed by combining.Require on manufacturing process: power capacitor is covered wire hole and the insulator flange welding is integrated, face of weld can not superelevation, misrun, lack of penetration, can not be mingled with, pore and burning, and this thin-walled riding Tubesheet Welding, quality requirement is high, welds more difficult; Generally need to clamp with special fixture and press welding device, adopt the welding of soldering or high-frequency welder.The impact that weldquality is subjected to the operator Personal Skills is large, the product first-time qualification rate is also lower, and work consuming is time-consuming, also there is certain influence the electromagnetic field of high frequency to operator's health, and therefore, the welding of power capacitor crown cap and insulator flange is a bottleneck on manufacturing process always.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of outgoing line porcelain bushing water-cooled automatic rotation argon arc welding machine, improves welding job efficient.
For achieving the above object, the technical solution of the utility model is as follows: a kind of outgoing line porcelain bushing water-cooled automatic rotation argon arc welding machine comprises:
Frame is provided with electromagnetic varispeed motor, decelerator, water tank, coolant pump, outlet pipe, water inlet pipe in described frame, described electromagnetic varispeed motor is connected with described reducer shaft, and described water tank is connected with described water inlet pipe, and described coolant pump is connected with water inlet pipe;
Work turning table, described Work turning table are provided with gear train and turntable shaft bearing, and described turntable shaft bearing lower end is connected with described rack table;
The capacitor crown cap;
Outgoing line porcelain bushing, the insulator flange of described outgoing line porcelain bushing and described capacitor crown cap fit tightly;
Pneumatic shuttle, described pneumatic shuttle are the crimping arm;
Argon arc welding equipment, described argon arc welding equipment comprises tungsten electrode welding gun and welding gun adjustable support, described argon arc welding equipment is located on described rack table;
Electric appliance control box.
Preferably, described gear train comprises gear wheel, pinion, pinion shaft, described gear wheel and the engagement of described pinion, described gear wheel upper end is connected with described Work turning table bolt, described gear wheel lower end is fixedly connected with described turntable shaft bearing upper end, and described pinion shaft is connected with described reducer shaft by shaft coupling.
Preferably, described cooling device is cylindrical cooling cylinder, described cylindrical cooling cylinder comprises centring ring, still shape cylinder cap, cylinder body, cylinder bottom, described centring ring is located on described still shape cylinder cap cylindrical neck boss, described cylinder body is connected with described still shape cylinder cover screw, and described cylinder bottom is provided with the screw that is complementary with described water inlet pipe and described outlet pipe.
Preferably, the wire hole of described capacitor crown cap is enclosed within on the centring ring of described still shape cylinder cap.
Preferably, described crimping arm comprises cylinder, cylinder holder, linear bearing, guide upright post, column holder, nylon gland, gland bearing block, gland bearing, described guide upright post is located on described column holder by described linear bearing, the axle head that stretches out of described cylinder is fixedly connected with by nut with described column holder, described column holder is fixedly connected with described gland bearing block, described gland bearing is connected by nut with described nylon gland, and described nylon gland is used for compressing described outgoing line porcelain bushing.
Preferably, described cylindrical cooling cylinder material is chromium pick copper.
Preferably, described electric appliance control box is provided with speed setting controller, is used for regulating described electromagnetic varispeed motor velocity of rotation.
Preferably, described speed setting controller is regulated in 1.5～11.5r/min scope in real time.
Preferably, described capacitor crown cap is provided with two wire holes.
Adopt the beneficial effect of above technical scheme to be: changed welding manner, improved welding job efficient, and the argon arc smooth welding joint is smooth, without arc crater, pore-free satisfies the specification requirement that power capacitor is produced, and is simple to operate.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, the below will do to introduce simply to the accompanying drawing of required use in the embodiment technical description, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of outgoing line porcelain bushing water-cooled of the utility model automatic rotation argon arc welding machine.
Fig. 2 is crimping arm configuration schematic diagram.
Fig. 3 is the Work turning table structural representation.
Fig. 4 is the power capacitor structural representation.
The represented corresponding component title of numeral in figure:
1, cylinder holder 2, column holder 3, gland bearing block 4, nylon gland 5, outgoing line porcelain bushing 6, capacitor crown cap 7, centring ring 8, still shape cylinder cap 9, gear wheel 10, turntable bearing 11, nut 12, O-ring seals 13, electromagnetic varispeed motor 14, cylinder bottom 15, outlet pipe 16, water inlet pipe 17, frame 18, water tank 19, coolant pump 20, electric appliance control box 21, decelerator 22, shaft coupling 23, pinion shaft 24, pinion shaft bearing 25, pinion 26, Work turning table 27, the turntable shaft bearing, 28, cylinder body 29, tungsten electrode welding gun 30, welding gun adjustable support 31, gland bearing 32, guide upright post 33, linear bearing 34, cylinder.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1-4, a kind of outgoing line porcelain bushing water-cooled automatic rotation argon arc welding machine, comprise: frame 17, be provided with YCT electromagnetic varispeed motor 13, WPA decelerator 21, water tank 18, coolant pump 19, outlet pipe 15, water inlet pipe 16 in frame 17, YCT electromagnetic varispeed motor 13 is connected with WPA decelerator 21 axles, water tank 18 is connected with water inlet pipe 16, and coolant pump 19 is connected with water inlet pipe 16.
Work turning table 26, Work turning table 26 is provided with gear wheel 9, pinion 25, turntable bearing 10 and turntable shaft bearing 27, gear wheel 9 and pinion 25 engagements, gear wheel 9 upper ends are connected with Work turning table 26 bolts, gear wheel 9 lower ends are fixedly connected with turntable shaft bearing 27 upper ends, pinion shaft 23 connects by shaft coupling 22 and WPA decelerator 21 axles, and pinion shaft 23 is located on frame 17 by pinion shaft bearing 24.
cooling device, cooling device is cylindrical cooling cylinder, comprise centring ring 7, still shape cylinder cap 8, cylinder body 28, cylinder bottom 14, can hold recirculated cooling water during cylinder body 28 closed cavity work, cylinder body 28 lower end cylindricals are provided with the high temperature resistant O-ring seals 12 of twice antiseep, after embedding cylinder bottom 14 mounting grooves, successively fix with cylinder body 28 and frame 17 table tops with stud again, be respectively equipped with the screw that is complementary with water inlet pipe 16 and outlet pipe 15 on 14 at the bottom of cooling cylinder, need only during work and connect water inlet pipe 16 and outlet pipe 15, be connected with coolant pump 19 and water tank 18, after switching on power, cooling water is just promoted through coolant pump by water tank and enters cylinder body 28 closed cavities, ever-increasing hydraulic pressure will force the interior water with welding heat of container to be back to water tank 18 by outlet pipe 15, form like this circulation, carry out again and again exchange heat, thereby a large amount of heats from the workpiece heat affected area have been taken away, the workpiece welding deformation amount is reduced, cylinder body 28 upper ends are fixing by hex screw and still shape cylinder cap 8, the design of still shape cylinder cap 8 inner chambers is to place insulator for the ease of when welding to draw line end, still shape cylinder cap 8 cylindrical neck boss placement positioning circles 7, for the ease of suitably adjusting with capacitor crown cap 6 wire hole external diameters, secondly, also being convenient to only needs to change centring ring 7 after wearing and tearing.Cylindrical cooling cylinder material adopts chromium pick copper to do, and is to consider that it has good electric conductivity, thermal conductivity, and hardness is high, wear-resisting antiknock, doubles as during welding that the negative electrode loss is few, speed of welding is fast, plays the effect of conductive electric current, pilot arc normal combustion.
Turntable shaft bearing 27 lower ends are by turntable plane bearing 10, be connected with frame 17 table tops take cylindrical cooling cylinder body 28 as the centre of gyration, cooling cylinder body 28 lower ends locking nut 11 and frame 17 table top backward holds, gear wheel 9 and pinion 25 engagements, when power when pinion 25 drives gear wheels 9 motion, just drive Work turning table 26 around cooling cylinder body 28 rotations, rotary speed can be according to welding requirements,, carry out 1.5～11.5r/min and regulate in real time by the nonshared control unit on controlling electric device control cabinet 20 panels by the operator.
Pneumatic shuttle, pneumatic shuttle is the crimping arm, comprises cylinder 34, cylinder holder 1, linear bearing 33, guide upright post 32, column holder 2, nylon gland 4, gland bearing block 3, gland bearing 31.The crimping arm adopts shaped steel to become box structure with Plate Welding, improves crimping rigidity.cylinder 34 is fixed on arm end top cylinder holder 1, both sides guide upright post 32 is by after linear bearing 33, be separately fixed on column holder 2, cylinder 34 stretches out axle head and column holder 2 centers are fixing afterwards with the nut adjustment, thereby consisted of on cylinder 34, under mechanism slidably, column holder 2 lower ends, center are by gland bearing block 3, gland axle journal boss is fixing with the gland bearing 31 of a pair of assembling up and down, eliminate its axial freedom, make nylon gland 4 can follow workpiece synchronous rotary together, gland axle lower end screw thread is with after nylon gland 4 screws are connected, oppositely fixing with nut again, thereby consisted of the required crimping clamping device of welding.
Operation principle is as follows:
When argon arc welding machine is worked, at first switch on power, coolant pump 19 work are after forming cooling water circulation.the operator is enclosed within power capacitor crown cap 6 wire holes on the centring ring 7 of still shape cylinder cap 8, then, outgoing line porcelain bushing 5 is installed, outgoing line porcelain bushing 5 lead-out wire end plugs are entered still shape cylinder cap 8 inner chambers, pin is stepped on jettron, the compressed air of 1～1.5Mpa is sent into cylinder 34, cylinder axis drives guide upright post 32 and moves down, nylon gland 4 compresses outgoing line porcelain bushing 5, insulator flange and power capacitor crown cap 6 lap-joints are fitted tightly, regulate again and start YCT electromagnetic varispeed motor 13, Work turning table 26 is at the uniform velocity rotated, mobile welding gun adjustable support 30 again, make tungsten electrode welding gun 29 and lap gap be in the welding correct position, open the argon arc welding switch, after Work turning table rotates a circle, slightly delay time and closed argon arc welding switch (elongating arc slightly in several seconds, overlapping weld seam 10mm left and right), whole welding is namely accused and is completed, then cut off the electricity supply, unclamp cylinder 34, power capacitor crown cap 6 together with after outgoing line porcelain bushing 5 Rotate 180s that welded °, another wire hole of power capacitor crown cap 6 is placed on still shape cylinder cap 8 centring rings 7, outgoing line porcelain bushing 5 is installed, repeat said process, the argon arc welding work of generally completing a power capacitor crown cap 6 and outgoing line porcelain bushing 5 flanges only needs 5～8 minutes, improved greatly welding job efficient, and the argon arc smooth welding joint is smooth, and without arc crater, pore-free has satisfied the specification requirement that power capacitor is produced.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.