CN2366212Y - Machine for arc welding of copper parts - Google Patents

Abstract

The utility model belongs to welding equipment in the class of the resistance brazing, and more specifically, the utility model relates to a copper welder. The utility model is specifically used for motors and adopts electric control connecting welding, the operation and use is convenient, a welder can be conveniently moved, and a welding holder can be extended into each position in a work piece for welding. The utility model is characterized in that a water tank is arranged on the bottom of the welder and used as a pushcart, the water tank is fixedly provided with a welding transformer and an electric control cabinet, and besides, the water tank is also fixedly provided with a miniature water pump, a motor, etc.; a secondary winding of the welding transformer is connected with the welding holder through a through water cable, a primary winding of the welding transformer is connected with a tap switch, and the copper welder is provided with a cooling water circulating system.

Description

Machine for arc welding of copper parts

The utility model belongs to the electric welding equipment of a kind of resistance brazing class.

Present all kinds of big-and-middle capacity resistance brazing kind equipment has mash welder, seam welder, butt welding machine etc., and its structure is to be fixed on to utilize mechanical mechanism to regulate the welding jaw to realize the welding to different workpieces on the welding machine.A general jaw is fixed, and another jaw can suitably be regulated along the mechanical mechanism that is positioned on the fuselage, and the soldering turret of this form welding machine generally can only the up-down adjustment jaw opens size, and workpiece to be welded must stretch into to clamp in the jaw and weld.As the master in the large and middle size motor casing of the coil of packing into, pair level on line welding, because workpiece is very heavy, position to be welded is in casing inside to some large-scale workpieces, and the space is very little, and existing welding machine then can't weld.In addition, adopt existing big-and-middle capacity resistance brazing machine plug, receptacle combinations structure more realize welding current adjusting, manipulate inconvenience, the automobile specified welding machine that some automobile factorys use, mostly be mash welder, capacity is little, though its soldering turret is removable, but because welding current does not reach motor on line requirement of welding, soldering turret is long, and solder side is little can't to be used in the welding of large and middle size motor on line.So various big-and-middle-sized alterating and direct current machine stator on lines adopt Bolt Connection mostly at present, the motor stator fault rate is higher relatively.Indivedual producers are for improving running reliability of motor, and the motor stator on line adopts Welding Structure, also adopt gas welding more, and the weak point of existence is that the operative employee is had relatively high expectations, and work efficiency is low, the easy damaged electrical machine insulation.

The purpose of this utility model provides a kind of Machine for arc welding of copper parts, is exclusively used in large and middle size motor, automatically controlled on line welding, and easy for operation, welding machine can move easily, and soldering turret can stretch into workpiece inside and weld at each position.

The utility model is to realize like this.A kind of Machine for arc welding of copper parts, be fixed with transformer, electric control box, soldering turret and cooling water recirculation system on the base, the water tank 2 double as car bases of go-cart bottom, be fixed with wheel 1 under the water tank 2, water tank 2 front ends are fixed with the support 5 of placing soldering turret, water tank 2 rear ends are fixed with handgrip 8, be fixed with welding transformer 3 and electric cabinet 10 on the water tank 2, also be fixed with micro pump 24 and motor 25 on the water tank 2, the secondary windings of welding transformer 3 connects the upper jaw 15 and the lower jaw 13 of soldering turret 12 by Water cooling cable 4, and the former limit winding lead-out wire of welding transformer 3 connects shunting switch 9.Soldering turret 12 is the scissors symmetrical structure, two are supported 18 and flexibly connect by screw 22 with two handgrips 20 respectively, the slotted eye of handgrip 20 middle part flexibly connects by rivet 21, and the afterbody of supporting 18 inserts in handgrip 20 inner chambers, and hangs with back-moving spring 19 and fix with handgrip 20 rearward end; The front end of two supports 18 is fixed as one by connecting plate 23 and upper jaw 15, lower jaw 13 respectively, and the inboard end parts of bit is embedded with carbon block 14, is respectively equipped with ventilating water pipe 16 in the bit and connects water power cables 4.Support 18 with 23 of connecting plates, be lined with the insulation that insulating materials 17 is used as 20 of jaw conductive component and handgrips between connecting plate 23 and the connecting bolt.The both ends of Water cooling cable 4 are provided with copper sleeve 30, cable 26 adopts soft copper conductor to make conductor, skin is with rubber water pipe 27, leave water flowing space 28 between cable 26 and the rubber water pipe 27, copper sleeve 30 is integrally welded with cable 26, and the skin of copper sleeve 30 is tightly wrapped up by the end of rubber water pipe 27, and steel overcoat 29 links by the internal thread and the copper sleeve 30 of end, copper sleeve 30 is provided with interior water hole, is communicated with water flowing space 28.Be fixed with plurality of contacts 32 and corresponding static contact panel 31 on the base 46 of shunting switch 9, the two ends of rotating shaft 42 are connected in respectively in the hole of base 46 and panel 43, the upper end of rotating shaft 42 is equipped with handle 40 and handle set 41, handle set 41 is associated with the gear arrow, the middle part of rotating shaft 42 cooperates fixing with the square opening at gripper shoe 44 tops by square shaft, the installing hole not equidistant with shaft hole arranged on gripper shoe 44, in the hole, be separately installed with insulation sleeve 37 and axle 36, and with locking nut 35 locking, moving contact plate 33 is withstood in spring 34 lower ends that are enclosed within on the axle 36, moving contact plate 33 is fixed as one with moving contact panel seat 45, moving contact plate 33 is provided with gripper shoe 44 corresponding holes and matches with the lower end of axle 36, base 46 is located at the below of moving contact plate 33, being connected and fixed with four pillars between base 46 and the panel 43 is one, also is provided with the aperture mounting spring 38 and the decorative pearl on top of an official cap 39 on gripper shoe 44.

Comparing the beneficial effects of the utility model with background technology is: the welding machine capacity is bigger, be furnished with the rotary shaft shunting switch and can regulate welding current easily, adopted light, softness can move arbitrarily, crooked Water cooling cable, thereby guaranteed that soldering turret can move arbitrarily, stretches into the welding of carrying out all places in the workpiece; Adopt the jaw can parallel mobile small and exquisite soldering turret, can realize the butt welding of butt welding and spot welding and different cross section shape area workpiece, joint welding by changing carbon block; Integral body is the trolley type structure, and machine shape has been dwindled in the cooling of band recirculated water, and is small and exquisite, flexible, use applicable to various occasions, and be motor, automatically controlled manufacturing, a kind of easily welding equipment of repairing trades necessity.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of soldering turret 12.

Fig. 3 is that the A of Fig. 1 is to view.

Fig. 4 is the structural representation of Water cooling cable 4.

Fig. 5 is the structural representation of shunting switch 9.

Be described further below in conjunction with embodiment.The important technological parameters of Machine for arc welding of copper parts: capacity: 75KVA; Power supply: single-phase; AC, 380V; Frequency: 50HZ; Inferior polygonal voltage 7.9V-15.8V; Former limit rated current: 197A; Inferior limit electric current: 1000A-4000A; Electric current regulation stall: five grades; Arcing time factor: 50%.

The utility model welding transformer 3 adopts C shell formula transformer, dry type, and the Secondary Winding internal water cooling, first and second winding cake formula structure is staggered, and the transformer leakage reactance is less, and efficient is higher relatively, and the general transformer of volume weight is little.Transformer cover 6 is installed on the welding transformer 3.

The course of work of cooling water recirculation system of the present utility model is as follows: water pump 24 is extracted cooling water out in water tank, the internal water cooling of inferior limit winding joint of input welding transformer 3 is but managed and is flowed out to the ventilating water pipe 16 of a upper jaw 15 that a Water cooling cable 4 delivers to soldering turret 12 after the circulation after the ventilating water pipe of lower jaw 13 flows into another root Water cooling cable 4, again through the internal water cooling of the inferior limit of welding transformer winding joint but pipe return in the water tank 2.

Electric cabinet 10 tops are equipped with panel 7, and power switch is housed on the panel, power supply indicator, and welding indicator lamp and shunting switch 9, the power control line pin of electric cabinet 10 is stepped on switch 11.

The utility model is suitable for range of capacity 10KVA-150KVA to be used.

Claims (4)

1, a kind of Machine for arc welding of copper parts, be fixed with transformer on the base, electric control box, soldering turret and cooling water recirculation system, it is characterized in that: the water tank of go-cart bottom (2) double as car base, be fixed with wheel (1) under the water tank (2), water tank (2) front end is fixed with the support (5) of placing soldering turret, water tank (2) rear end is fixed with handgrip (8), be fixed with welding transformer (3) and electric cabinet (10) on the water tank (2), also be fixed with micro pump (24) and motor (25) on the water tank (2), the secondary windings of welding transformer (3) connects the upper jaw (15) and the lower jaw (13) of soldering turret (12) by Water cooling cable (4), and the former limit winding lead-out wire of welding transformer (3) connects shunting switch (9).

2, Machine for arc welding of copper parts according to claim 1, it is characterized in that: soldering turret (12) is the scissors symmetrical structure, two supports (18) flexibly connect by screw (22) with two handgrips (20) respectively, the slotted eye middle part of handgrip (20) flexibly connects by rivet (21), the afterbody of supporting (18) inserts in handgrip (20) inner chamber, and hangs with back-moving spring (19) and fix with handgrip (20) rearward end; The front end of two supports (18) is fixed as one by connecting plate (23) and upper jaw (15), lower jaw (13) respectively, and the inboard end parts of bit is embedded with carbon block (14), is respectively equipped with ventilating water pipe (16) in the bit and connects water power cable (4).

3, Machine for arc welding of copper parts according to claim 1, the both ends that it is characterized in that Water cooling cable (4) are provided with copper sleeve (30), cable (26) adopts soft copper conductor to make conductor, skin is with rubber water pipe (27), leave water flowing space (28) between cable (26) and the rubber water pipe (27), copper sleeve (30) is integrally welded with cable (26), the skin of copper sleeve (30) is tightly wrapped up by the end of rubber water pipe (27), steel overcoat (29) links by the internal thread and the copper sleeve (30) of end, copper sleeve (30) is provided with interior water hole, is communicated with water flowing space (28).

4, Machine for arc welding of copper parts according to claim 1, the two ends that it is characterized in that being fixed with on the base (46) of shunting switch (9) plurality of contacts (32) and corresponding static contact panel (31), rotating shaft (42) are connected in respectively in the hole of base (46) and panel (43), the upper end of rotating shaft (42) is equipped with handle (40) and handle set (41), handle set (41) is associated with the gear arrow, the middle part of rotating shaft (42) cooperates fixing with the square opening at gripper shoe (44) top by square shaft, have on gripper shoe (44)

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