CN201275660Y - Gas protecting electric welding machine - Google Patents

Gas protecting electric welding machine Download PDF

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Publication number
CN201275660Y
CN201275660Y CNU2008201494155U CN200820149415U CN201275660Y CN 201275660 Y CN201275660 Y CN 201275660Y CN U2008201494155 U CNU2008201494155 U CN U2008201494155U CN 200820149415 U CN200820149415 U CN 200820149415U CN 201275660 Y CN201275660 Y CN 201275660Y
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CN
China
Prior art keywords
welding
wire
welding machine
phase
root bead
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Expired - Fee Related
Application number
CNU2008201494155U
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Chinese (zh)
Inventor
藏伟
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Individual
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Individual
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Publication date
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Priority to CNU2008201494155U priority Critical patent/CN201275660Y/en
Application granted granted Critical
Publication of CN201275660Y publication Critical patent/CN201275660Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a gas-protection electric welding machine, comprising a transformer, an electric reactor, welding wires, a welding gun, conductive nozzles, a wire-feeding mechanism and a DC motor. The conductive nozzles are arranged in the welding gun, and the electric welding machine is provided with three welding wires and three conductive nozzles; three low-end phases of the transformer are respectively connected with the three conductive nozzles after the connection with the three-phase electric reactor, and the three welding wires respectively penetrate through the three conductive nozzles; and the DC motor is connected with the wire-feeding mechanism of the three welding wires in a transmission manner. As the electric welding machine is provided with three welding wires and three conductive nozzles, a three-phase rectifier bridge is not needed; when a work-piece is welded, the welding wires are not needed to be in contact with the work-piece to be welded, the work-piece to be welded can be unelectrified and an AC arc can be generated by the mutual contact among the welding wires, thus saving not only electric energy, but also materials; therefore, not only common welding can be carried out, but also the welding of glass, tubes and pipes and the like can be carried out, thus enlarging the welding field and reducing the labor intensity of operating personnel.

Description

The gas shield electric welding machine
Technical field
The utility model relates to the industrial welding field, especially a kind of gas shield electric welding machine.
Background technology
Present electric welding machine welds with a root bead silk, and this just needs the three phase rectifier electric bridge, and welded piece must chargedly just can weld.During welding, welding wire need contact with welded piece and weld, and welded piece must be charged, and for the welded piece that welding is got rusty, it is very difficult welding, and this has just caused inconvenience for welding.
The utility model content
The purpose of this utility model provides a kind of gas shield electric welding machine, has economize on electricity, saves the advantage of material.
For achieving the above object; the utility model adopts following technical scheme: a kind of gas shield electric welding machine; comprise three-phase transformer; three-phase reactor; welding wire; welding gun; conduction is chewed; wire feeder, direct current generator, conduction is chewed and is arranged in the welding gun; it is characterized in that: this electric welding machine has three root bead silks and three conductions to chew; chew corresponding the connection with three conductions respectively again after corresponding with the three-phase reactor respectively connection of the low side three-phase of three-phase transformer, three root bead silks pass in three conductions are chewed respectively, and the wire feeder of described direct current generator and three root bead silks is in transmission connection.
Described wire feeder is made of the driving wheel in gearbox body and the gearbox body, follower, and three wire feeders connect with two insulation connecting shafts covers, and direct current generator is connected with a wire feeder wherein by an insulation connecting shaft cover.
Be arranged with three seal wire flexible pipes respectively on the described three root bead silks, enter on the seal wire flexible pipe in the welding gun and be arranged with steel pipe, steel pipe one end is chewed with conduction and is connected.
Described three root bead silks in welding gun during wire vent circumferencial direction be in 120 ° of fixed angles
This utility model electric welding machine has three root bead silks and three conductions to chew, do not need the three phase rectifier electric bridge, during welding work pieces, welding wire does not need to contact with welded piece, welded piece can be not charged, welding wire and welding wire are in contact with one another and can produce alternating current arc, and the economize on electricity energy is saved material, not only can carry out common welding, can also carry out the welding of glass, tubing etc., enlarge welding field, reduce operator's labour intensity.
Description of drawings
Fig. 1 is the structure chart of electric welding machine;
Fig. 2 is the power supply connection layout of electric welding machine;
Fig. 3 is the three root bead silk locations drawing;
Fig. 4 is a three-phase electric arc orientation diagram;
Fig. 5 is common welding wiring diagram;
Fig. 6 is glass, tubing welding wiring diagram;
Fig. 7 is the power supply connection layout of glass, tubing welding;
Fig. 8 is multiple welding wiring diagram.
The specific embodiment
As depicted in figs. 1 and 2, the utility model electric welding machine comprises three-phase transformer 1, three-phase reactor 2, and welding gun, welding wire 61,62,63, conduction chews 71,72,73, wire feeder 31,32,33, direct current generator 4.The low side three-phase of the three-phase transformer 1 of this electric welding machine respectively with three-phase reactor 2 corresponding connections after, A, B, C end are chewed 71,72,73 with three conductions respectively and are connected, three root bead silks 61,62,63 are chewed in 71,72,73 from three conductions respectively and are passed, 31,32,33, three conductions of wire feeder that direct current generator 4 drives three mutually insulateds are chewed 71,72,73 and are arranged in the welding gun.Wire feeder 31 is made of driving wheel in gearbox body and the gearbox body 101 and follower 111, wire feeder 32 is made of driving wheel in gearbox body and the gearbox body 102 and follower 112, and wire feeder 33 is made of driving wheel in gearbox body and the gearbox body 103 and follower 113.Wire feeder 31,32 usefulness insulation connecting shaft cover 51 connects, and wire feeder 32,33 usefulness insulation connecting shaft cover 52 connects, and direct current generator 4 overlaps 53 by the insulation connecting shaft and is connected with wire feeder 33.Be arranged with three seal wire flexible pipes 81,82,83 respectively and mutually insulated outside the three root bead silks 61,62,63, entering an end that is arranged with 91,92,93, three steel pipes 91,92,93 of three steel pipes on the seal wire flexible pipe 81,82,82 in the welding gun respectively chews 71,72,73 with three conductions and is connected.Three root bead silks are in 120 ° of fixed angles during wire vent in welding gun.When energising is welded, three root bead silks 61,62,63 are chewed 71,72,73 by conduction and are connected A, B, C respectively, three root bead silks, 61,62,63 ends are in contact with one another and produce three-phase alternating current electric arc, welded piece 12 does not need chargedly just can weld, and welding wire 61,62,63 does not need to contact with welded piece 12.Protect welding with carbon dioxide or argon gas during welding, cut with oxygen.
As shown in Figure 3, it is cone-shaped to have become in the welding gun wire vent to become three root bead silks 61,62,63 of 120 ° of fixed angles to form triangles.As shown in Figure 4, when the welding of welded piece 12 was carried out in energising, three root bead silks, 61,62,63 ends were in contact with one another and produce three-phase alternating current electric arc, and welding wire melts, and the pyrometric cone body shown in dashed circle and the dotted line is divided into three-phase electricity arc district.In border circular areas, the load resistance of three sides of a triangle 131,132,133 expression three-phase electric arcs be can't see load resistance during real work.
The specific embodiment 1, be the wiring diagram of embodiment 1 as shown in Figure 5, the low side three-phase of three-phase transformer 1 respectively with three-phase reactor 2 corresponding connections after, A, B, C end is chewed 71,72,73 with three conductions respectively and is connected, welded piece 12 is connected the low side neutral conductor of transformers 1.When energising was welded, three root bead silks, 61,62,63 ends were in contact with one another and produce three-phase alternating current electric arc, and the voltage of 10~16V is arranged between welding wire 61,62,63 and the welded piece 12, and this voltage can be guided alternating current arc into welded piece 12, welds.This connection is applicable to common welding, with carbon dioxide or argon shield welding.
The specific embodiment 2, as Fig. 6, shown in Figure 7 is the wiring diagram of embodiment 2, the low side three-phase of three-phase transformer 1 respectively with three-phase reactor 2 corresponding connections after, A, B, the C end chews 71 with three conductions respectively, 72,73 are connected, welded piece 141,142 do not connect, welded piece 141 and welded piece 142 are done synchronous rotation, when energising is welded, three root bead silks 61,62,63 are in contact with one another generation three-phase alternating current electric arc, utilize the light and heat energy heating welded piece 141 of alternating current arc, 142, after reaching fusing point, welded piece 142 levels are pushed welded piece 141 to, get final product after the cooling.The molten iron that melts when in addition, this welds can also carry out the casting of mould.This wiring is applicable to the welding of glass, tubing, can cut with oxygen.
The specific embodiment 3, be the wiring diagram of embodiment 3 as shown in Figure 8, the low side three-phase of three-phase transformer 1 respectively with three-phase reactor 2 corresponding connections after, A, B, C end is chewed 71,72,73 with three conductions respectively and is connected, and is connected an adjustable positive and negative voltage-stabilized power supply 15 between the low side neutral conductor of transformer 1 and the welded piece 12.When energising is welded, three root bead silks 61,62,63 are in contact with one another and produce three-phase alternating current electric arc, utilize the direction of the positive negative control electric arc of welded piece 12 voltage that connects, and welded piece 10 connects timing, the alternating current arc that produces shifts near to welded piece 12 directions, is fit to thicker workpiece welding; Welded piece 12 connects when bearing, and the alternating current arc of generation shifts near to welding wire 61,62,63 directions, is fit to thin workpiece welding.Utilize the incision dynamics of the height control electric arc of welded piece 12 and 61,62,63 voltages of welding wire during welding, the incision dynamics was dark when voltage was high, and the incision dynamics was shallow when voltage was low, regulated voltage-stabilized power supply according to the needs of welded piece 12, welded.With carbon dioxide or argon shield welding, this connection is applicable to the welding of various workpieces.

Claims (4)

1. a gas shield electric welding machine comprises three-phase transformer, three-phase reactor; welding wire; welding gun, conduction is chewed, wire feeder; direct current generator; conduction is chewed and is arranged in the welding gun, and it is characterized in that: this electric welding machine has three root bead silks and three conductions to chew, and chews corresponding the connection with three conductions respectively again after corresponding with the three-phase reactor respectively connection of the low side three-phase of three-phase transformer; three root bead silks pass in three conductions are chewed respectively, and the wire feeder of described direct current generator and three root bead silks is in transmission connection.
2. gas shield electric welding machine according to claim 1; it is characterized in that: described wire feeder is made of the driving wheel in gearbox body and the gearbox body, follower; three wire feeders connect with two insulation connecting shafts covers, and direct current generator is connected with a wire feeder wherein by an insulation connecting shaft cover.
3. gas shield electric welding machine according to claim 1 and 2 is characterized in that: be arranged with three seal wire flexible pipes respectively on the described three root bead silks, enter on the seal wire flexible pipe in the welding gun and be arranged with steel pipe, steel pipe one end is chewed with conduction and is connected.
4. gas shield electric welding machine according to claim 3 is characterized in that: three root bead silks in welding gun during wire vent circumferencial direction be in 120 ° of fixed angles.
CNU2008201494155U 2008-09-25 2008-09-25 Gas protecting electric welding machine Expired - Fee Related CN201275660Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201494155U CN201275660Y (en) 2008-09-25 2008-09-25 Gas protecting electric welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201494155U CN201275660Y (en) 2008-09-25 2008-09-25 Gas protecting electric welding machine

Publications (1)

Publication Number Publication Date
CN201275660Y true CN201275660Y (en) 2009-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201494155U Expired - Fee Related CN201275660Y (en) 2008-09-25 2008-09-25 Gas protecting electric welding machine

Country Status (1)

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CN (1) CN201275660Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179658A (en) * 2011-02-28 2011-09-14 深圳市骏腾发自动焊接装备股份有限公司 Welding method of automobile brake gear ring and device using method
CN102528246A (en) * 2012-03-07 2012-07-04 天津大学 Three-wire welding system for vertical welding and welding process of three-wire welding system
CN114939711A (en) * 2022-06-16 2022-08-26 盐城工学院 Welding device and method for single-wire and double-wire consumable electrode arc cross coupling

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179658A (en) * 2011-02-28 2011-09-14 深圳市骏腾发自动焊接装备股份有限公司 Welding method of automobile brake gear ring and device using method
CN102179658B (en) * 2011-02-28 2015-05-20 深圳市骏腾发自动焊接装备股份有限公司 Welding method of automobile brake gear ring and device using method
CN102528246A (en) * 2012-03-07 2012-07-04 天津大学 Three-wire welding system for vertical welding and welding process of three-wire welding system
CN114939711A (en) * 2022-06-16 2022-08-26 盐城工学院 Welding device and method for single-wire and double-wire consumable electrode arc cross coupling
CN114939711B (en) * 2022-06-16 2023-12-26 盐城工学院 Welding device and method for single-wire and double-wire consumable electrode arc diagonal coupling

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090722

Termination date: 20110925