CN2553945Y - Semi-automatic gas protection welder - Google Patents
Semi-automatic gas protection welder Download PDFInfo
- Publication number
- CN2553945Y CN2553945Y CN 02243544 CN02243544U CN2553945Y CN 2553945 Y CN2553945 Y CN 2553945Y CN 02243544 CN02243544 CN 02243544 CN 02243544 U CN02243544 U CN 02243544U CN 2553945 Y CN2553945 Y CN 2553945Y
- Authority
- CN
- China
- Prior art keywords
- loop
- control
- switch
- welding
- potentiometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Arc Welding Control (AREA)
Abstract
The utility model provides a half automatic gas protection welding machine with a circuit consisting of a welding gun power loop, an AC contactor coil loop, a protection gas valve loop, a control power supply loop, a control circuit board control loop, and a switch potentiometer control loop; the three-phase power supply input terminal of the welding gun power loop is connected with the power supply input terminal of the control power supply loop and the heating power supply of protection gas by the power supply switch; the control power supply loop is provided with two voltage outputs to be connected with the control circuit board control loop; one group of output loop is connected with the control circuit board control loop by the AC contactor coil and the gas valve coil which are connected in parallelism; the control circuit board control loop is connected with a welding gun switch and a switch potentiometer loop which comprises a welding wire transmission speed potential adjuster, a spot welding time switch potentiometer and a spot welding discontinuous time switch potentiometer. The welding machine has the advantages of automatic providing protection gas, adjustable welding temperature, welding wire automatic transmission speed, spot welding time and discontinuous time, convenient application and improving the automatic operation level.
Description
Technical field
The utility model relates to a kind of welding equipment, is specifically related to a kind of semi-automatic gas shielded arc welding machine that can replace manual electric arc welding.
Background technology
At present; carbon steel; stainless steel; the manual welding technology is all adopted in the welding of low-alloy steel and aluminium alloy basically; Welder's staff is held welding rod and is carried out welding procedure; when needing welding; welding gun is clipped welding rod to be contacted with metallic object to be welded; open the welding gun power switch; form electric arc between soldered metallic object and the welding rod; metallic object to be welded is met heat under arcing, after welding wire melts, meet the thermometal body and be welded together; when running into spot welding; welding rod need be aimed at soldered position, needs mobile repeatedly welding rod and operating power switch, operates very inconvenient; protective gas can not start automatically; the bad control of welding quality and welding process, and the voltage of electric welding can not regulate can't be according to by the size of weldering metallic object and the welding temperature of property adjustments metallic object.
The utility model content
The utility model is in order to overcome above-mentioned the deficiencies in the prior art, provide a kind of welding temperature adjustable, can transmit welding wire automatically, conveniently realize the spot welding function, simultaneously with protective gas automatically and can replace the semi-automatic gas shielded arc welding machine of manual electric arc welding.
The technical solution of the utility model is such; a kind of semi-automatic gas shielded arc welding machine; its circuit is mainly by the welding gun power loop; ac contactor coil loop and protective gas air valve loop; the control electric power loop; the control circuit board control loop; the potentiometer with switch control loop is formed; the welding gun power loop of dc supply is provided to welding gun; its three-phase power input end links to each other by the power input of power switch with the control electric power loop; the power input of control electric power loop also connects the heating power supply input of protective gas by power switch; the control electric power loop has two kinds of voltage outputs; one group of output directly connects the input of control circuit board control loop; another group output zero line directly connects the control circuit board control loop; live wire is by insuring direct connection control circuit board control loop and connecting the control circuit board control loop by the gentle valve coil of the ac contactor coil that is connected in parallel simultaneously; arc welding gun switch is connecting the control circuit board control loop; the direct current output in control circuit board control loop silicon controlled rectifier loop connects welding wire and transmits motor, and the potentiometer with switch control loop connects the control end of control circuit board control loop.
Described welding gun power loop can be connected together in series by A.C. contactor normally opened contact, voltage regulator and three-phase commutation bridge and reactor, and last output DC source is to welding gun work.Described control electric power loop can mainly comprise control transformer; the former limit of control transformer live wire connects an input mutually of three-phase alternating-current supply by the protection loop; zero line connect three phase mains by power switch another import mutually, the former limit of control transformer is formed one group of power supply by the zero line of a power supply tap and control transformer and is connected protective gas heater, power supply indicator and fan respectively.
Can be in series with heat portective switch on the wire loop of described A.C. contactor.
Described potentiometer with switch control loop can comprise welding wire transfer rate potential regulator, spot welding clock switch potentiometer, spot welding potentiometer with switch break time, they connect the different control ends of control circuit board control loop respectively, spot welding clock switch potentiometer and spot welding potentiometer with switch break time comprise a switch and an adjustable potentiometer respectively, switch and potentiometer interlock.
Adopted the semi-automatic gas shielded arc welding machine of this circuit structure; different according to the size of weldment and material; by regulating weldingvoltage in order to regulate welding temperature; can reach welding wire transmits and the adjustable purpose of transfer rate automatically; select adjusting spot welding clock switch potentiometer and spot welding potentiometer with switch break time that the spot welding effect is accomplished the end in view simultaneously; when pressing the welding switch, connect protective gas air valve and gas-heating apparatus simultaneously automatically to guarantee that supplying with protective gas automatically guarantees welding quality; easy to use, welding machine automaticity than before increases.
Below in conjunction with drawings and Examples the utility model is elaborated.
Description of drawings
Fig. 1 is an electrical block diagram of the present utility model.
Fig. 2 is a circuit working theory diagram of the present utility model.
The specific embodiment
A kind of semi-automatic gas shielded arc welding machine; its circuit is mainly by the welding gun power loop; ac contactor coil loop and protective gas air valve loop; the control electric power loop; the control loop of control circuit board; the potentiometer with switch control loop is formed; the welding gun power loop of dc supply is provided to welding gun; its three-phase power input end links to each other with the power input of control electric power loop by power switch S1; the power input of control electric power loop also connects the heating power supply input of protective gas by electric former switch S 1; the control electric power loop has two kinds of voltage outputs: exchange 26V and exchange 24V; exchange the 26V live wire connects the control circuit board control loop by insurance F1 1 pin; zero line connects 2 pin; exchange 7 pin and 9 pin that the 24V zero line directly connects the control circuit board control loop; live wire directly connects 6 pin of control circuit board control loop by insurance F2; and connect control circuit board control loop 10 pin by the gentle valve coil YV of ac contactor coil CJ that is connected in parallel simultaneously; the potentiometer with switch control loop comprises welding wire transfer rate potential regulator R3; spot welding clock switch potentiometer T1; spot welding potentiometer with switch break time T2; welding wire transfer rate potential regulator R3 is three terminal potential devices; two ends connect 11 of control circuit board control loop; 13 pin; adjustable end connects 12 pin; spot welding clock switch potentiometer T2 comprises a switch S 2 and adjustable potentiometer R2; adjustable potentiometer R2 connects 18 pin; 19 pin; switch S 2 connects 8 pin; 14 pin; spot welding potentiometer with switch break time T1 comprises a switch S 3 and adjustable potentiometer R1; adjustable potentiometer R1 connects 16 pin; 17 pin; switch S 3 connects 15 pin; 20 pin; switch S 3 and adjustable potentiometer R1 interlock; switch S 2 and adjustable potentiometer T2 interlock; arc welding gun switch T.S is connected between 5 pin and 8 pin; potentiometer R1; the controllable silicon that potentiometer R2 can regulate silicon controlled rectifier loop in the wiring board control loop respectively triggers the angle; the pulse width of trigger impulse and frequency connect welding wire and transmit motor M between dc output end 3 pin in control circuit board control loop silicon controlled rectifier loop and 4 pin.
Described welding gun power loop can be connected together in series by A.C. contactor normally opened contact S-K, voltage regulator TR1 and three-phase commutation bridge and the anti-L of inductance, and last output DC source is to welding gun work.
Described control electric power loop can mainly comprise control transformer TR2; the former limit of control transformer live wire connects the S phase of three-phase alternating-current supply by insurance F2; zero line is imported mutually by the T in addition that power switch S1 connects three phase mains, and the former limit of control transformer is formed one group of power supply by the zero line of a power supply tap and control transformer and is connected protective gas heater, power supply indicator LP1 and fan FAN respectively.
Can be in series with heat portective switch on the coil S-K loop of described A.C. contactor.
In use; connect three phase mains to welding machine three-phase input power supply; welding wire is passed wire feed rolls and fix; the heater power source of protective gas gas cylinder is connected, mix up air pressure, install welding gun; according to welding wire and workpiece situation; choose the electric pressure of welding gun power loop with voltage-selected switch, select the welding wire transfer rate, ground wire is received on the workpiece by the transfer rate potential regulator; opening three-phase power switch send to welding machine; it is bright to open electricity power switch indicator lamp cashier's office in a shop, and the heater power source of protective gas gas cylinder is connected, and fan rotates; press power switch; the adhesive of welding gun power supply A.C. contactor, air valve gets electric, and protective gas is started working; welding wire transmits beginning; begin arc welding, unclamped the welding switch, finished welding process.During spot welding; choose spot welding clock switch potentiometer and spot welding potentiometer with switch break time; can make the spot welding effect reach its intended purposes; adopted the semi-automatic gas shielded arc welding machine of this circuit structure; can realize the energy that is of the automatic transmission of welding wire; transfer rate is adjustable; simultaneously by selecting adjusting spot welding clock switch potentiometer and spot welding potentiometer with switch break time can finish the spot welding function; different according to the weldment size with material; can regulate weldingvoltage to reach the purpose of regulating welding temperature, protective gas work is arranged simultaneously, guarantee welding quality; easy to use, welding machine automaticity than before increases.
Claims (5)
1. semi-automatic gas shielded arc welding machine; it is characterized in that: its circuit is mainly by the welding gun power loop; ac contactor coil loop and protective gas air valve loop; the control electric power loop; the control loop of control circuit board; the potentiometer with switch control loop is formed; the welding gun power loop of dc supply is provided to welding gun; its three-phase power input end links to each other by the power input of power switch with the control electric power loop; the power input of control electric power loop also connects the heating power supply input of protective gas by power switch; the control electric power loop has two kinds of voltage outputs; one group of output loop directly connects the control circuit board control loop; another group output loop zero line directly connects the control circuit board control loop; live wire directly connects the control circuit board control loop and connects the control circuit board control loop by the gentle valve coil of the ac contactor coil that is connected in parallel simultaneously; arc welding gun switch is connecting the control circuit board control loop; the direct current output in control circuit board control loop silicon controlled rectifier loop connects welding wire and transmits motor, and the potentiometer with switch control loop connects the control end of control circuit board control loop.
2. semi-automatic gas shielded arc welding machine according to claim 1; it is characterized in that: described welding gun power loop is connected together in series by A.C. contactor normally opened contact, voltage regulator, three-phase commutation bridge and reactance, and last output DC source is to welding gun work.
3. semi-automatic gas shielded arc welding machine according to claim 2; it is characterized in that: described control electric power loop mainly comprises control transformer; the former limit of control transformer live wire connects an input mutually of three-phase alternating-current supply by the protection loop; zero line connect three phase mains by power switch another import mutually, the former limit of control transformer is formed one group of power supply by the zero line of a power supply tap and control transformer and is connected protective gas heater, power supply indicator and fan respectively simultaneously.
4. semi-automatic gas shielded arc welding machine according to claim 3 is characterized in that: be in series with heat portective switch on the wire loop of described A.C. contactor.
5. semi-automatic gas shielded arc welding machine according to claim 4; it is characterized in that: described potentiometer with switch control loop comprises welding wire transfer rate potential regulator, spot welding clock switch potentiometer, spot welding potentiometer with switch break time; they connect the different control ends of control circuit board control loop respectively; spot welding clock switch potentiometer and spot welding potentiometer with switch break time comprise a switch and an adjustable potentiometer respectively, switch and potentiometer interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02243544 CN2553945Y (en) | 2002-07-26 | 2002-07-26 | Semi-automatic gas protection welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02243544 CN2553945Y (en) | 2002-07-26 | 2002-07-26 | Semi-automatic gas protection welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2553945Y true CN2553945Y (en) | 2003-06-04 |
Family
ID=33715762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02243544 Expired - Fee Related CN2553945Y (en) | 2002-07-26 | 2002-07-26 | Semi-automatic gas protection welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2553945Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678495B (en) * | 2007-01-24 | 2012-08-08 | 威尔特克公司 | Arrangement for blanket gas supply control for an electrical welding apparatus |
| CN105215515A (en) * | 2015-09-28 | 2016-01-06 | 武汉钢铁(集团)公司 | A kind of welding control method and system |
-
2002
- 2002-07-26 CN CN 02243544 patent/CN2553945Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678495B (en) * | 2007-01-24 | 2012-08-08 | 威尔特克公司 | Arrangement for blanket gas supply control for an electrical welding apparatus |
| CN105215515A (en) * | 2015-09-28 | 2016-01-06 | 武汉钢铁(集团)公司 | A kind of welding control method and system |
| CN105215515B (en) * | 2015-09-28 | 2017-08-29 | 武汉钢铁(集团)公司 | A kind of welding control method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101524781B (en) | AC arc welding system and method thereof | |
| CN107030430B (en) | A kind of plate sheet welding semiautomatic welding welding fixture | |
| WO2013178028A1 (en) | Hand arc welding device applying pulse current and welding method thereof | |
| CN2553945Y (en) | Semi-automatic gas protection welder | |
| CN109396607B (en) | Inversion multifunctional welding machine | |
| CN203526789U (en) | Intermediate-frequency inverter resistance multipoint spot welder | |
| CN207386872U (en) | Welding system and linear welding robot thereof | |
| CN106304447B (en) | Bearing heater | |
| CN105269124A (en) | Fuse wire argon tungsten-arc welding method | |
| CN205324949U (en) | Semi -automatic argon arc welding machine | |
| CN202780174U (en) | Manual metal-arc welding device utilizing pulse currents | |
| CN201807810U (en) | Supersonic frequency brazing device | |
| CN202317460U (en) | Hot welding machine | |
| CN201287232Y (en) | DSP power source control system applied to welding machine | |
| CN201168850Y (en) | Computer full-automatic multifunctional seam welder | |
| CN206373478U (en) | The welder circuit powered using bridge rectifier | |
| TWM526452U (en) | Handheld active control type stud welding machine | |
| CN102717170B (en) | A kind of welding method of manual metal-arc welding connection device of apply pulse electric current | |
| CN2134254Y (en) | A.c. arc welder with pot welding device | |
| CN206677361U (en) | A kind of multifunctional accurate aluminium welder circuit | |
| CN205725325U (en) | A kind of intermediate frequency arc welding alternator group and control system thereof | |
| CN2286441Y (en) | Single phase, semi-automatic and gas shielded arc welding machine | |
| CN220217045U (en) | High-benefit semi-automatic two-protection welding machine | |
| CN203765126U (en) | Magnetic induction tin soldering machine | |
| CN216680662U (en) | Resistance welding device with split type electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |