CN2098344U - Movable and multifunctional welding set - Google Patents
Movable and multifunctional welding set Download PDFInfo
- Publication number
- CN2098344U CN2098344U CN 91211903 CN91211903U CN2098344U CN 2098344 U CN2098344 U CN 2098344U CN 91211903 CN91211903 CN 91211903 CN 91211903 U CN91211903 U CN 91211903U CN 2098344 U CN2098344 U CN 2098344U
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- Prior art keywords
- welding
- signal
- voltage
- operational amplifier
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Abstract
The utility model discloses a multifunctional welding device, which can carry out single side spot welding, soldering, direct manual arc welding and CO2 semiautomatic gas shielded welding. The control circuit of the device is composed of an integrated digital element and a special integrated trigger. The multifunctional welding device has the characteristics of controlling precision, convenient moving, multiple functions and high standard of welding quality.
Description
The present invention relates to a kind of packaged type welding equipment, particularly this equipment has multiple (indirect welding; Soldering; The direct current manual metal-arc welding; The CO2 semi-automatic gas shielded arc welding) welding function.
Existing multifunctional welding machine mainly is equipped with the welding resistance pincers by the source of welding current and forms.The main circuit of the source of welding current is a welding resistance or arc welding transformer, and the number of turn that the adjusting of welding conditions is to use change-over switch to change welding resistance or arc welding transformer primary coil realizes.
The control circuit of existing multifunctional welding machine is simple, does not generally have the timing circuit that can regulate during resistance welded.The electric current adjusting can not be continuous during arc welding, to not control of droplet transfer.The problems referred to above cause the not high welding conditions of welding quality level of existing multifunctional welding machine also to be difficult for stable.
The purpose of this invention is to provide a kind of removable multi-functional welding equipment, it can implement indirect welding, soldering, direct current manual metal-arc welding, CO2 semi-automatic gas shielded arc welding according to different welding process requirement.
Task of the present invention is finished as follows: increase by one and pay the limit winding on a single-phase welding resistance transformer, this pair limit winding connects a single-phase half-controlled bridge-type rectifier, and the circuits for triggering of this single-phase half-controlled bridge-type rectifier adopt integrated circuit component to form.The direct current manual metal-arc welding is different with the desired generator characteristic of CO2 semi-automatic gas shielded arc welding, is resolved by introducing difference (voltage negative feedback and current cut-off negative-feedback) feedback system.Smoothing reactor of output serial connection of single-phase half-controlled bridge-type rectifier is to improve dynamic characteristic and to keep the continuous of output current.
During the direct current manual metal-arc welding, in circuits for triggering, be provided with the current push circuit, make welding arc stablility.
The wire feeding circuit of CO2 semi-automatic gas shielded arc welding is made up of integrated operational amplifier and unijunction transistor circuit, and introduced the voltage negative feedback and help the stable of wire feed rate.This circuit and the above-mentioned circuits for triggering of mentioning are made on 120 * 140mm printed circuit board (PCB) altogether.
When the removable multi-functional welding equipment carried out indirect welding or soldering, can set arbitrarily in 2-999 cycle scope its weld interval, accomplished the accurate control to indirect welding or holding time.Whole weld interval, regulating circuit was made on the printed circuit board (PCB) of a 120 * 140mm.
One, indirect welding and soldering:
1, rated capacity: Pe=16KVA
2, secondary floating voltage adjustable range: 3-5V
3, rated supply voltage (
): 380
4, frequency (HZ): 50HZ
5, the number of phases: 1 phase
6, rated duty cycle: FS=10%
7, power factor: COS=0.4
8, rated secondary current (
): Ize=5000
9, secondary welding cable specification: section S=150mm
2, length L=1.5 meter.
10, indirect welding rifle weight (Kg):＜8Kg
11, soldering pincers weight (Kg):＜4Kg
Two, direct current manual metal-arc welding:
1, rated supply voltage (
) 380
2, frequency (HZ) 50HZ
3, the number of phases: 1 phase
4, floating voltage (
) 50
5, specified weldingvoltage (
): 25
6, zone of welding current (
): I=40-125
7, belt current thrust function:
8, cyclic duration factor: FS=20%
Three, CO2 semi-automatic gas shielded arc welding:
1, rated supply voltage (
) 380
2, the weldingvoltage adjustable range (
): 14-19
3, zone of welding current (
): 40-125
4, cyclic duration factor: FS=20%
5, gas flow (liter): 15 liters/minute
6, maximum wire feed rate (rice): 7 meters/minute
7, give hot device power (watt): 100 watts
8, be suitable for gage of wire (φ): 0.6-1.0
Fig. 1 is an external form front view of the present invention
Fig. 2 is an external form left view of the present invention
Fig. 3 is an electrical schematic diagram of the present invention
Below in conjunction with Fig. 1, Fig. 2 illustrates the structure situation of removable multi-functional welding equipment.
Indicator lamp ［ 2 ］; Ammeter ［ 3 ］, inspection air cock K4 ［ 4 ］; Voltmeter ［ 5 ］; Power switch K1 ［ 6 ］; Protective tube ［ 7 ］, voltage or electric current regulator potentiometer W1 ［ 8 ］; Protective tube ［ 9 ］; Generator characteristic change-over switch K2 ［ 10 ］; Give thermal switch K4 ［ 11 ］, indirect welding or soldering current regulating switch HK ［ 12 ］; The manual metal-arc welding main circuit is connected K switch 5 ［ 24 ］; Wire feed rate regulator potentiometer W3 ［ 23 ］ is installed on the front panel of shell ［ 1 ］.The secondary output of direct current manual metal-arc welding and CO2 semi-automatic gas shielded arc welding power supply indicates ［+］ from the front panel lower-left side of ［ 1 ］; Draw at the two ends of ［-］, whether uses wire-feed motor ［ 13 ］ or soldering turret according to the welding procedure needs.The secondary output of the power supply of indirect welding or soldering is drawn from the front panel lower right side of ［ 1 ］, whether uses indirect welding rifle ［ 14 ］ according to the welding procedure needs; Conducting block ［ 15 ］ or soldering pincers.
Power transformer B
1［ 22 ］ be contained in the bottom of ［ 1 ］, B
1［ 19 ］ are housed ［ 22 ］, electromagnetic gas valve ［ 17 ］ and A.C. contactor CJ are housed on the rear board of shell ［ 1 ］
1［ 16 ］ inside of shell separates with shrouding ［ 25 ］, and this helps the stability of electronic control circuit.Control transformer ［ 18 ］ is housed above the shrouding ［ 25 ］; Regulating circuit plate weld interval ［ 21 ］ that the circuits for triggering plate ［ 20 ］ of single-phase half-controlled bridge-type rectifier and indirect welding or soldering are used.
Two rollers are equipped with in the bottom of shell ［ 1 ］, and a pushing hands is arranged at top, are convenient to move.
Do in conjunction with Fig. 3 and to specify: main circuit of the present invention is electrically connected and is formed by fuse RD1, A.C. contactor CJ1, indirect welding or soldering current regulating switch HK, power transformer B1, single-phase half-controlled bridge-type rectifier, smoothing reactor L, the specified input voltage of power transformer B1 is 380V, and elementary winding is provided with tap and is electrically connected with indirect welding or soldering current regulating switch HK.B1 level of power transformer is provided with two (number of turn=1, the number of turn=12) windings, (number of turn=a 1) winding is electrically connected with indirect welding rifle or soldering pincers, (number of turn=a 12) winding is electrically connected with single-phase half-controlled bridge-type rectifier, smoothing reactor L is serially connected in the output of single-phase half-controlled bridge-type rectifier, the maximum output floating voltage Ud=50V of single-phase half-controlled bridge-type rectifier.
Dc source employing ± the 15V of control circuit of the present invention, by forming after three terminal integrated voltage stabilizer (AN7815) voltage stabilizing, also have the dc source of one+24V to amplify power supply as the pulse of special-purpose integrated trigger ［ KCO4 ］ in addition, photoelectrical coupler ［ 4N32 ］ also uses this dc source.
The circuits for triggering of single-phase half-controlled bridge-type rectifier are by special-purpose integrated trigger ［ KCO4 ］, integrated operational amplifier ［ A1 ］, ［ A2 ］, resistance, diode, triode, electric capacity, voltage or electric current regulator potentiometer W1, potentiometer W2, W4, electrical connections such as pulse transformer MB1, MB2 form.The 8th pin of special-purpose integrated trigger ［ KCO4 ］ is introduced the AC synchronous signal, the 9th pin is introduced phase shift controlling voltage signal and skew control voltage signal, the 3rd pin is introduced sawtooth waveforms slop regulation joint signal, the 15th pin, the start pulse signal that the 1st pin phase difference output is 180 °, this signal is after two triode pulses are amplified, and from pulse transformer MB1, MB2 exports.
When generator characteristic change-over switch K2 is pulled direct current manual metal-arc welding position, the K2-3 closure, the K2-1 closure, K2-2 disconnects, the output of integrated operational amplifier ［ A2 ］ is guided to ［-］ input of integrated operational amplifier ［ A1 ］ through K2-4, current cut-off negative-feedback signal ［ VI ］ is drawn from the output of single-phase half-controlled bridge-type rectifier, the given signal synthesis of after integrated operational amplifier ［ A2 ］ homophase amplifies, drawing with voltage or electric current regulator potentiometer W1, its difference signal obtains a phase shift controlling voltage signal through the anti-phase amplification of integrated operational amplifier ［ A1 ］ again, this signal is guided to the 9th pin of special-purpose integrated trigger, thereby regulation voltage or electric current regulator potentiometer W1 can evenly change the phase place that the phase shift controlling voltage signal changes trigger impulse.
Also introduced weldingvoltage signal ［ VQ ］ during the direct current manual metal-arc welding, reduce to as ［ VQ ］+when 15V was following, the thrust circuit produced a pulse, makes the instantaneous increase of welding current, generator characteristic presents outer dragging, and helps molten and smoothly transits in the molten bath to keep the stable of welding arc.
When generator characteristic change-over switch K2 is pulled the position of CO2 semi-automatic gas shielded arc welding; K2-1 disconnects; K2-3 disconnects; the K2-2 closure; the given signal synthesis that voltage negative feedback signal ［ Vf ］ is introduced and drawn with voltage or electric current regulator potentiometer W1 through K2-4; its difference signal obtains a phase shift controlling voltage signal through anti-phase its output that is amplified in of integrated operational amplifier ［ A1 ］ again, thereby regulation voltage or electric current regulator potentiometer W1 can change the phase place that the phase shift controlling voltage signal changes trigger impulse uniformly.
Will have certain procedure to satisfy the welding procedure demand during CO2 semi-automatic gas shielded arc welding, the circuit of finishing this program is by giving hot device ［ Y ］, electromagnetic gas valve ［ DZ ］, A.C. contactor CJ1 DC relay ［ J1 ］, electrochemical capacitor compositions such as ［ C1 ］.
The wire feed alignment circuit of CO2 semi-automatic gas shielded arc welding is by integrated operational amplifier ［ A3 ］; triode ［ T1 ］; unijunction transistor ［ T2 ］, resistance, diode, electric capacity, wire feed rate regulator potentiometer W3 are electrically connected composition, regulate the requirement that armature voltage that wire feed rate regulator potentiometer W3 can change motor D uniformly reaches stepless speed regulation.
Use as indirect welding or soldering weld interval regulating circuit by decade counter ［ H150 ］, NAND gate ［ H006 ］, ［ H004 ］, form with non-power door ［ H008 ］, photoelectrical coupler ［ 4N32 ］, resistance, diode, integrated full rectifier bridge, electric capacity, digital driver chuck switch ［ 8421 ］.
Count signal is taken from electrical network, and the cycle is 0.02 second, is ［ CP ］ after the Schmidt circuit shaping.When pressing switch ［ K7 ］, flip and flop generator produces a high level signal ［ H1 ］, this signal is guided to the input of integral type monostable trigger, and this monostable flipflop produces a low level signal ［ H2 ］, obtains high level signal ［ H4 ］ after anti-phase.［ H2 ］ makes another flip and flop generator upset obtain high level signal ［ H3 ］, signal this moment ［ CP ］ enters decade counter ［ H150 ］, high level signal ［ H3 ］ makes and non-power door ［ H008 ］ conducting, photoelectrical coupler ［ 4N32 ］ conducting, DC relay ［ J2 ］ action, A.C. contactor CJ1 action, power transformer B1 gets electric welding to begin, when the number of signal ［ CP ］ input and three bit digital driver chuck switches ［ 8421 ］ digital identical, welding stops, and repeats said process when pressing switch ［ K7 ］ once more.
The present invention selects the power switch of A.C. contactor as main circuit for use, the many problems that can avoid dimension level impedance variations to bring.Weld interval, the adjustable range of regulating circuit was the 2-999 cycle, and indirect welding and soldering all are suitable for.
Claims (2)
1, a kind of removable multi-functional (indirect welding, soldering, direct current manual metal-arc welding, CO2 semi-automatic gas shielded arc welding) welding equipment is characterized in that:
A, main circuit is by fuse RD1, A.C. contactor CJ1, indirect welding or soldering current regulating switch HK, power transformer B1, single-phase half-controlled bridge-type rectifier, smoothing reactor L is electrically connected and forms, the specified input voltage of power transformer B1 is 380V, elementary winding is provided with tap and is electrically connected with indirect welding or soldering current regulating switch HK, B1 level of power transformer is provided with the two (number of turn=1, the number of turn=12) winding, (number of turn=a 1) winding is electrically connected with indirect welding rifle or soldering pincers, smoothing reactor L is serially connected in the output of single-phase half-controlled bridge-type rectifier, the maximum output floating voltage Ud=50V of single-phase half-controlled bridge-type rectifier
B; the circuits for triggering of single-phase half-controlled bridge-type rectifier are by special-purpose integrated trigger (KC04); integrated operational amplifier [A1]; [A2]; resistance; diode; triode; electric capacity; voltage or electric current regulator potentiometer W1; potentiometer W2; W4; pulse transformer MB1; MB2 is electrically connected and forms; the 8th pin of special-purpose integrated trigger [KC04] is introduced the AC synchronous signal; the 9th pin is introduced phase shift controlling voltage signal and skew control voltage signal; the 3rd pin is introduced sawtooth waveforms slope adjustment signal; the 15th pin; the start pulse signal that the 1st pin phase difference output is 180 °; this signal is after two triode pulses are amplified; from pulse transformer MB1; MB2 output; during the direct current manual metal-arc welding; current cut-off negative-feedback signal (VI) is through integrated operational amplifier [A2]; K2-4 guides to the given signal synthesis that [-] end of integrated operational amplifier [A1] and voltage or electric current regulator potentiometer W1 are drawn; the output of integrated operational amplifier [A1] produces the 9th pin that a phase shift controlling voltage signal is guided to special-purpose integrated trigger [KC04]; during the CO2 semi-automatic gas shielded arc welding; voltage negative feedback signal [Vf] is guided to the given signal synthesis that [-] end of integrated operational amplifier [A1] and voltage or electric current regulator potentiometer W1 are drawn through K2-4; the output of integrated operational amplifier [A1] produces a phase shift controlling voltage signal, and guides to the 9th pin of special-purpose integrated trigger [KC04].
2, by the described removable multi-functional welding equipment of claim 1; it is characterized in that: the wire feed alignment circuit of CO2 semi-automatic gas shielded arc welding is by integrated operational amplifier ［ A3 ］; triode ［ T1 ］; unijunction transistor ［ T2 ］; resistance; electric capacity, diode is formed, and the armature voltage of motor ［ D ］ can evenly change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91211903 CN2098344U (en) | 1991-06-26 | 1991-06-26 | Movable and multifunctional welding set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91211903 CN2098344U (en) | 1991-06-26 | 1991-06-26 | Movable and multifunctional welding set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2098344U true CN2098344U (en) | 1992-03-11 |
Family
ID=4920504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91211903 Withdrawn CN2098344U (en) | 1991-06-26 | 1991-06-26 | Movable and multifunctional welding set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2098344U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537523B (en) * | 2009-04-22 | 2011-06-15 | 杨继新 | Method of automatic welding of manual arc welding machine |
| CN107009061A (en) * | 2017-05-27 | 2017-08-04 | 郭超杰 | A kind of welding equipment |
| CN111030529A (en) * | 2020-01-14 | 2020-04-17 | 云南巨能科技发展有限公司 | Excitation control system of arc welding generator |
-
1991
- 1991-06-26 CN CN 91211903 patent/CN2098344U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537523B (en) * | 2009-04-22 | 2011-06-15 | 杨继新 | Method of automatic welding of manual arc welding machine |
| CN107009061A (en) * | 2017-05-27 | 2017-08-04 | 郭超杰 | A kind of welding equipment |
| CN107009061B (en) * | 2017-05-27 | 2018-10-09 | 广州美亚股份有限公司 | A kind of welding equipment |
| CN111030529A (en) * | 2020-01-14 | 2020-04-17 | 云南巨能科技发展有限公司 | Excitation control system of arc welding generator |
| CN111030529B (en) * | 2020-01-14 | 2023-04-25 | 云南巨能科技发展有限公司 | Excitation control system of arc welding generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |