CN104416260A - Electric welding machine - Google Patents
Electric welding machine Download PDFInfo
- Publication number
- CN104416260A CN104416260A CN201310399176.4A CN201310399176A CN104416260A CN 104416260 A CN104416260 A CN 104416260A CN 201310399176 A CN201310399176 A CN 201310399176A CN 104416260 A CN104416260 A CN 104416260A
- Authority
- CN
- China
- Prior art keywords
- transformer
- welding machine
- cooling water
- cooled cable
- water
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/003—Cooling means for welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/006—Safety devices for welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/323—Combined coupling means, e.g. gas, electricity, water or the like
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding Control (AREA)
Abstract
The invention discloses an electric welding machine comprising a transformer, a controller, a circulating cooling water tank, a water-cooled cable and an electrode holder. The transformer is connected with both the circulating cooling water tank and the controller. The water-cooled cable penetrates the circulating cooling water tank. The electrode holder is connected with the transformer through the water-cooled cable. The electric welding machine further comprises a flood preventer disposed inside the circulating cooling water tank. The flood preventer is connected with the controller. A cooling fan is disposed on the top of the transformer. During running of the electric welding machine, the transformer also produces heat, and untimely treatment may lead to damage of the transformer; the cooling fan can bring away a great deal of generated heat, and running stability of the transformer is guaranteed.
Description
Technical field
The present invention relates to electric welding field, specifically refer to a kind of electric welding machine.
Background technology
In the production process of the autopanel products such as automobile; welding machine, welding robot have become the key equipment enhancing productivity and ensure product quality; for the operating characteristic of equipment, take corresponding safeguard measure, equipment can be made to obtain safety guarantee and energy-saving effect.Welding machine, improves the productivity of enterprise to a great extent, and product competitiveness have also been obtained and greatly improves.But in use, have also discovered a lot of deficiency, reason is that the water power cable life cycle of this equipment is too short, it is too fast to damage, and replacement frequency is too high.So not only cause the frequent shutdown maintenance of equipment, impact is produced, but also adds the working strength of maintenance personal, adds maintenance cost simultaneously.Operator is when the equipment of use, because production on-site environment complexity waits a variety of causes, ignore the importance of cool cycles penstock sometimes, do not open completely or just forget at all and open, cause water-cooled cable to be damaged too fast because can not effectively cool.
Before use welder, first should guarantee there are enough cooling water flow supercooling systems.At present, most manufacturer is only provided with cooling device on the water-cooled cable of welding machine, but under working long hours, the miscellaneous parts such as transformer can generate heat and cause the temperature of internal structure sharply to rise equally, if can there is the consequences such as transformer burns out in process not in time.
Summary of the invention
The present invention is by arranging a kind of electric welding machine, and the transformer solving traditional welding machine such as easily to burn out at the problem, reaches the object reducing welder fault rate.
Object of the present invention reaches by the following technical programs:
The present invention includes transformer, controller, circulating cooling water tank, water-cooled cable and soldering turret, described transformer is connected with circulating cooling water tank, controller respectively, water-cooled cable is through circulating cooling water tank, soldering turret is connected with transformer by water-cooled cable, also comprise the current flood control device be arranged in circulating cooling water tank, described current flood control device is connected with controller, and the top of described transformer is also provided with radiator fan.Equipment power-on, opens the water inlet switch on circulating cooling water tank, when cooling circulating water is by after current signalling generator, connects via minimization and enters duty by equipment; When cooling water switch is closed, do not have cooling water by current signalling generator, controller is cut off the electricity supply, and soldering turret power-off cannot normally work; If operationally circulating cooling water tank is cut off the water supply suddenly, current flood control device can at once by Signal transmissions to controller, and send warning and inform staff, with Time Controller automatic cut-off power, until cooling water recovers normal, whole equipment also recovers normal, rearming.The setting of current flood control device avoids and causes transformer and water-cooled cable to burn out because of the reason of cooling water, substantially prolongs the service life of water-cooled cable, decreases the workload of maintenance personal;
When welding machine works, transformer can produce larger heat equally, if process not in time, transformer also can be caused impaired, the amount of heat that the radiator fan of setting can be produced is taken away, and ensures that the working stability of transformer carries out.
Further, described current flood control device comprises temperature sensor, water level sensor, alarm and control loop, and described control loop is connected with temperature sensor, water level sensor, alarm respectively, and control loop is connected with controller.Control loop is the command centre of current flood control device, when the water level that water level sensor detects in circulating cooling water tank is lower, can by Signal transmissions to control loop, and control loop controls alarm and to sound a buzzer prompting; If circulating cooling water tank internal cause is lack of water when causing temperature sharply to raise, signal can be transferred to controller by control loop by temperature sensor, controller is directly cut off the electricity supply, and avoids temperature too high and causes water-cooled cable to burn out, extending the service life of water-cooled cable.
Further, as preferably, described temperature sensor is PT100 temperature sensor.PT100 temperature sensor is a kind of instrument temperature variable being converted to transmissible normalization output signal.PT100 is platinum resistance thermometer sensor, and its resistance is changing into direct ratio with temperature.The resistance of PT100 and variations in temperature are closed and are: when PT100 temperature is 0 DEG C, its resistance is 100 ohm, and 100 DEG C time, its resistance is about 138.5 ohm, and its resistance at the uniform velocity can increase along with temperature rises to form.When the water temperature in circulating cooling water tank changes, the change in resistance amount of PT100 temperature sensor, is adjusted by control loop to control loop by wire transmission.
Further, described temperature sensor is arranged on water-cooled cable.Temperature sensor is provided with the restriction of maximum temperature, and when exceeding maximum temperature, temperature sensor will send signal to control circuit, and alarm sends alarm; Temperature sensor directly contacts with water-cooled cable, can effectively prevent from causing temperature sensor displays temperature to occur larger error because spread heat in circulating cooling water tank is uneven, thus provides false temperature.
Further, the anti-electric shock apparatus be arranged on transformer inputs is also comprised.When a kind of electric welder no-load, DC welder voltage is 55-90V, and AC welding set is 60-80V, all exceedes safe voltage value, but due to voltage not bery high, and often to be ignored by people, especially welder to weld Danger Electric shock risk larger.According to calculating, when welding machine floating voltage is 70V, people is at flush point operation, and protective articles is dressed lack of standardization, human body resistance RR about 1600 about Ω now, if welder's hand is once contact jaw, by the electric current I R=V/RR=70/1600=0.044A=44MA of human body, under this function of current, the hand generation spasm of welder, causes ventricular fibrillation, as rescued not in time, lethal danger will occur, and the anti-electric shock apparatus of setting can be avoided dressing lack of standardization and security incident that is that cause by welder.
Further, described radiator fan is provided with protective cover.When radiator fan is placed in welding machine inside, more inner space can be taken, so usually fan is placed on transformer top.For avoiding external fan security incident is caused to welder or prevent extraneous dust, foreign material enter in fan, fan arranges protective cover and can ensure that the stable of welding job carries out.
Further, as preferably, the wire of described water-cooled cable is enamel-covered wire.Because insulate between every root enamel-covered wire, conduction medium, high frequency electric current, can not surface generation kelvin effect online, and with other with compared with the water-cooled cable of cross section, during by identical electric current, caloric value is few; Make the wire of water-cooled cable of enamel-covered wire, the service life of water-cooled cable can be improved, because the wire long period of soaking of water-cooled cable is in water; working environment is very severe; enamel-covered wire has paint film protective layer, can play antisepsis, and its service life is 1.5 ~ 2 times of copper bare wire.
The present invention compared with prior art, there is following advantage and beneficial effect:
1, the present invention includes transformer, controller, circulating cooling water tank, water-cooled cable and soldering turret, described transformer is connected with circulating cooling water tank, controller respectively, water-cooled cable is through circulating cooling water tank, soldering turret is connected with transformer by water-cooled cable, also comprise the current flood control device be arranged in circulating cooling water tank, described current flood control device is connected with controller, and the top of described transformer is also provided with radiator fan.When welding machine works, transformer can produce larger heat equally, if process not in time, transformer also can be caused impaired, the amount of heat that the radiator fan of setting can be produced is taken away, and ensures that the working stability of transformer carries out.
2, radiator fan of the present invention is provided with protective cover.When radiator fan is placed in welding machine inside, more inner space can be taken, so usually fan is placed on transformer top.For avoiding external fan security incident is caused to welder or prevent extraneous dust, foreign material enter in fan, fan arranges protective cover and can ensure that the stable of welding job carries out.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, the present embodiment comprises transformer, controller, circulating cooling water tank, water-cooled cable and soldering turret, described transformer is connected with circulating cooling water tank, controller respectively, water-cooled cable is through circulating cooling water tank, soldering turret is connected with transformer by water-cooled cable, also comprise the current flood control device be arranged in circulating cooling water tank, described current flood control device is connected with controller, and the top of described transformer is provided with radiator fan.Equipment power-on, opens the water inlet switch on circulating cooling water tank, when cooling circulating water is by after current signalling generator, connects via minimization and enters duty by equipment; When cooling water switch is closed, do not have cooling water by current signalling generator, controller is cut off the electricity supply, and soldering turret power-off cannot normally work; If operationally circulating cooling water tank is cut off the water supply suddenly, current flood control device can at once by Signal transmissions to controller, and send warning and inform staff, with Time Controller automatic cut-off power, until cooling water recovers normal, whole equipment also recovers normal, rearming; When welding machine works, transformer can produce larger heat equally, if process not in time, transformer also can be caused impaired, the amount of heat that the radiator fan of setting can be produced is taken away, and ensures that the working stability of transformer carries out.
Embodiment 2
As shown in Figure 1, the present embodiment is on the basis of embodiment 1, described current flood control device comprises temperature sensor, water level sensor, alarm and control loop, and described control loop is connected with temperature sensor, water level sensor, alarm respectively, and control loop is connected with controller.Control loop is the command centre of current flood control device, when the water level that water level sensor detects in circulating cooling water tank is lower, can by Signal transmissions to control loop, and control loop controls alarm and to sound a buzzer prompting; If circulating cooling water tank internal cause is lack of water when causing temperature sharply to raise, signal can be transferred to controller by control loop by temperature sensor, controller is directly cut off the electricity supply, and avoids temperature too high and causes water-cooled cable to burn out, extending the service life of water-cooled cable.
Embodiment 3
As shown in Figure 1, the present embodiment, on the basis of embodiment 1, also comprises the anti-electric shock apparatus be arranged on transformer inputs.When a kind of electric welder no-load, DC welder voltage is 55-90V, and AC welding set is 60-80V, all exceedes safe voltage value, but due to voltage not bery high, and often to be ignored by people, especially welder to weld Danger Electric shock risk larger.According to calculating, when welding machine floating voltage is 70V, people is at flush point operation, and protective articles is dressed lack of standardization, human body resistance RR about 1600 about Ω now, if welder's hand is once contact jaw, by the electric current I R=V/RR=70/1600=0.044A=44MA of human body, under this function of current, the hand generation spasm of welder, causes ventricular fibrillation, as rescued not in time, lethal danger will occur, and the anti-electric shock apparatus of setting can be avoided dressing lack of standardization and security incident that is that cause by welder.
Embodiment 4
As shown in Figure 1, the present embodiment is on the basis of embodiment 1, and described temperature sensor is arranged on water-cooled cable, and described radiator fan is provided with protective cover.When radiator fan is placed in welding machine inside, more inner space can be taken, so usually fan is placed on transformer top, for avoiding external fan security incident is caused to welder or prevent extraneous dust, foreign material enter in fan, fan arranges protective cover and can ensure that the stable of welding job carries out; Temperature sensor is provided with the restriction of maximum temperature, and when exceeding maximum temperature, temperature sensor will send signal to control circuit, and alarm sends alarm; Temperature sensor directly contacts with water-cooled cable, can effectively prevent from causing temperature sensor displays temperature to occur larger error because spread heat in circulating cooling water tank is uneven, thus provides false temperature.
As preferably, the wire of described water-cooled cable is enamel-covered wire.Because insulate between every root enamel-covered wire, conduction medium, high frequency electric current, can not surface generation kelvin effect online, and with other with compared with the water-cooled cable of cross section, during by identical electric current, caloric value is few; Make the wire of water-cooled cable of enamel-covered wire, the service life of water-cooled cable can be improved, because the wire long period of soaking of water-cooled cable is in water; working environment is very severe; enamel-covered wire has paint film protective layer, can play antisepsis, and its service life is 1.5 ~ 2 times of copper bare wire.
As preferably, described temperature sensor is PT100 temperature sensor.PT100 temperature sensor is a kind of instrument temperature variable being converted to transmissible normalization output signal.PT100 is platinum resistance thermometer sensor, and its resistance is changing into direct ratio with temperature.The resistance of PT100 and variations in temperature are closed and are: when PT100 temperature is 0 DEG C, its resistance is 100 ohm, and 100 DEG C time, its resistance is about 138.5 ohm, and its resistance at the uniform velocity can increase along with temperature rises to form.When the water temperature in circulating cooling water tank changes, the change in resistance amount of PT100 temperature sensor, is adjusted by control loop to control loop by wire transmission.
Claims (7)
1. an electric welding machine, comprise transformer, controller, circulating cooling water tank, water-cooled cable and soldering turret, described transformer is connected with circulating cooling water tank, controller respectively, water-cooled cable is through circulating cooling water tank, soldering turret is connected with transformer by water-cooled cable, it is characterized in that: also comprise the current flood control device be arranged in circulating cooling water tank, described current flood control device is connected with controller, and the top of described transformer is also provided with radiator fan.
2. a kind of electric welding machine according to claim 1, it is characterized in that: described current flood control device comprises temperature sensor, water level sensor, alarm and control loop, described control loop is connected with temperature sensor, water level sensor, alarm respectively, and control loop is connected with controller.
3. a kind of electric welding machine according to claim 2, is characterized in that: described temperature sensor is arranged on water-cooled cable.
4. a kind of electric welding machine according to claim 2, is characterized in that: described temperature sensor is PT100 temperature sensor.
5. a kind of electric welding machine according to claim 1, is characterized in that: also comprise the anti-electric shock apparatus be arranged on transformer inputs.
6. a kind of electric welding machine according to claim 1, is characterized in that: described radiator fan is provided with protective cover.
7. according to a kind of electric welding machine in claim 1 ~ 6 described in any one, it is characterized in that: the wire of described water-cooled cable is enamel-covered wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399176.4A CN104416260A (en) | 2013-09-05 | 2013-09-05 | Electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399176.4A CN104416260A (en) | 2013-09-05 | 2013-09-05 | Electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104416260A true CN104416260A (en) | 2015-03-18 |
Family
ID=52966989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310399176.4A Pending CN104416260A (en) | 2013-09-05 | 2013-09-05 | Electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104416260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338520A (en) * | 2021-11-25 | 2022-11-15 | 鼎乙建设(上海)有限公司 | Electric welding that protection nature that material welding used is good |
-
2013
- 2013-09-05 CN CN201310399176.4A patent/CN104416260A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338520A (en) * | 2021-11-25 | 2022-11-15 | 鼎乙建设(上海)有限公司 | Electric welding that protection nature that material welding used is good |
| CN115338520B (en) * | 2021-11-25 | 2024-03-19 | 鼎乙建设(上海)有限公司 | Electric welding that protection nature is good that material welding was used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |
|
| WD01 | Invention patent application deemed withdrawn after publication |