CN103801864A - Electric welding device - Google Patents
Electric welding device Download PDFInfo
- Publication number
- CN103801864A CN103801864A CN201410070681.9A CN201410070681A CN103801864A CN 103801864 A CN103801864 A CN 103801864A CN 201410070681 A CN201410070681 A CN 201410070681A CN 103801864 A CN103801864 A CN 103801864A
- Authority
- CN
- China
- Prior art keywords
- transformer
- water
- water tank
- cooling water
- controller
- 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
Links
- 238000003466 welding Methods 0.000 title claims abstract description 35
- 239000000498 cooling water Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000005476 soldering Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000003260 anti-sepsis Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 208000005392 Spasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 208000003663 ventricular fibrillation Diseases 0.000 description 1
Images
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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
The invention discloses an electric welding device. The electric welding device comprises a transformer, a controller, a circulating cooling water tank, a water cooling cable and welding tongs, wherein the transformer is respectively connected with the circulating cooling water tank and the controller, the water cooling cable penetrates through the circulating cooling water tank, and the welding tongs are connected with the transformer through the water cooling cable; the electric welding device further comprises a water flow flood prevention device which is arranged in the circulating cooling water tank and connected with the controller, and a cooling fan is further arranged at the top of the transformer. When a welding machine works, the transformer can generate a large amount of heat as well, and the transformer will be damaged if the heat is not treated timely, and the arranged cooling fan can take the large amount of heat generated by the transformer away to ensure stable work of the transformer.
Description
Technical field
The present invention relates to a kind of Workshop Production processing auxiliary equipment, specifically refer to a kind of welding set.
Background technology
In the production process of the products such as petrochemical industry; welding machine, welding robot have become the key equipment of enhancing productivity and guaranteeing product quality; for the operating characteristic of equipment, take corresponding safeguard measure, can make equipment obtain safety guarantee and energy-saving effect.Welding machine, promoted to a great extent the productivity of enterprise, and product competitiveness is also greatly improved.But in use, also found a lot of deficiencies, 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 has increased maintenance personal's working strength, has increased maintenance cost simultaneously.Operator is in the time of the equipment of use, wait a variety of causes because production on-site environment is complicated, ignore sometimes the importance of cool cycles penstock, do not open completely or just forget and open at all, cause water-cooled cable because of can not obtain effectively cooling damage too fast.
Before using welding machine welding, 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 equally and cause the temperature of internal structure sharply to rise, if the consequences such as transformer burns out can occur in processing not in time.
Summary of the invention
The present invention is by arranging a kind of welding set, and the transformer that solves traditional welding machine such as easily burns out at the problem, reaches the object that reduces 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 being 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 control device and enters duty by equipment; In the time that cooling water switch is closed, do not have cooling water to pass through current signalling generator, controller is cut off the electricity supply, and soldering turret power-off cannot normally be worked; If circulating cooling water tank is cut off the water supply suddenly in the time of work, current flood control device can be transferred to controller by signal at once, and sends warning and inform staff, with Time Controller automatic cut-off power, until cooling water recovers normal, whole equipment also recovers normally, rearming.The setting of current flood control device has been avoided because of the former of cooling water thereby has been caused transformer and water-cooled cable to burn out, and has greatly extended the service life of water-cooled cable, has also reduced maintenance personal's workload;
In the time that welding machine is worked, transformer can produce larger heat equally, if process not in time, also can cause transformer impaired, and the radiator fan of setting can be taken away the amount of heat of its generation, guarantees 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, in the time that water level sensor detects that water level in circulating cooling water tank is lower, signal can be transferred to control loop, the prompting of sounding a buzzer of control loop control alarm; If circulating cooling water tank internal cause is lack of water while causing temperature sharply to raise, temperature sensor can transfer to controller by control loop by signal, controller is directly cut off the electricity supply, and avoids excess Temperature and causes water-cooled cable to burn out, and has extended 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 that temperature variable is converted to transmissible normalization output signal.PT100 is platinum resistance thermometer sensor,, and its resistance is with the direct ratio that is varied to of temperature.The resistance of PT100 and variations in temperature are closed: in the time that PT100 temperature is 0 ℃, its resistance is 100 ohm, and in the time of 100 ℃, its resistance is about 138.5 ohm, and its resistance can increase along with temperature rise forms at the uniform velocity.In the time that 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 in the time 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, thereby false temperature is provided.
Further, described radiator fan is provided with protective cover.In the time that radiator fan is placed in welding machine inside, can take more inner space, so usually fan is placed on transformer top.For avoiding external fan welder to be caused to security incident or prevent that extraneous dust, foreign material from entering in fan, protective cover is set on fan and can guarantees 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 enamel-covered wire, conduction medium, high frequency electric current, not surface generation kelvin effect online, with compared with the water-cooled cable of cross section, during by identical electric current, caloric value is few with other; Make the wire of water-cooled cable of enamel-covered wire, can improve the service life of water-cooled cable, 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 be 1.5～2 times of copper bare wire its service life.
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 being 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.In the time that welding machine is worked, transformer can produce larger heat equally, if process not in time, also can cause transformer impaired, and the radiator fan of setting can be taken away the amount of heat of its generation, guarantees that the working stability of transformer carries out.
2, radiator fan of the present invention is provided with protective cover.In the time that radiator fan is placed in welding machine inside, can take more inner space, so usually fan is placed on transformer top.For avoiding external fan welder to be caused to security incident or prevent that extraneous dust, foreign material from entering in fan, protective cover is set on fan and can guarantees that the stable of welding job carries out.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
The specific embodiment
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 being 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 control device and enters duty by equipment; In the time that cooling water switch is closed, do not have cooling water to pass through current signalling generator, controller is cut off the electricity supply, and soldering turret power-off cannot normally be worked; If circulating cooling water tank is cut off the water supply suddenly in the time of work, current flood control device can be transferred to controller by signal at once, and sends warning and inform staff, with Time Controller automatic cut-off power, until cooling water recovers normal, whole equipment also recovers normally, rearming; In the time that welding machine is worked, transformer can produce larger heat equally, if process not in time, also can cause transformer impaired, and the radiator fan of setting can be taken away the amount of heat of its generation, guarantees 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, in the time that water level sensor detects that water level in circulating cooling water tank is lower, signal can be transferred to control loop, the prompting of sounding a buzzer of control loop control alarm; If circulating cooling water tank internal cause is lack of water while causing temperature sharply to raise, temperature sensor can transfer to controller by control loop by signal, controller is directly cut off the electricity supply, and avoids excess Temperature and causes water-cooled cable to burn out, and has extended 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 being arranged on transformer input.In the time that a kind of welding set is unloaded, DC welder voltage is 55-90V, and AC welding set is 60-80V, all exceedes safe voltage value, but because voltage is not bery high, and is often ignored by people, especially welder to weld Danger Electric shock risk larger.According to calculating, in the time that welding machine floating voltage is 70V, people is at point operation flush, and protective articles is dressed lack of standardization, human body resistance RR approximately 1600 Ω left and right now, if once welder's hand contact jaw, by the electric current I R=V/RR=70/1600=0.044A=44MA of human body, under this function of current, welder's hand generation spasm, causes ventricular fibrillation, as rescued not in time, lethal danger will occur, and the anti-electric shock apparatus of setting can be avoided dressing security incident lack of standardization and 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.In the time that radiator fan is placed in welding machine inside, can take more inner space, so usually fan is placed on transformer top, for avoiding external fan welder to be caused to security incident or prevent that extraneous dust, foreign material from entering in fan, protective cover is set on fan and can guarantees that the stable of welding job carries out; Temperature sensor is provided with the restriction of maximum temperature, and in the time 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, thereby false temperature is provided.
As preferably, the wire of described water-cooled cable is enamel-covered wire.Because insulate between every enamel-covered wire, conduction medium, high frequency electric current, not surface generation kelvin effect online, with compared with the water-cooled cable of cross section, during by identical electric current, caloric value is few with other; Make the wire of water-cooled cable of enamel-covered wire, can improve the service life of water-cooled cable, 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 be 1.5～2 times of copper bare wire its service life.
As preferably, described temperature sensor is PT100 temperature sensor.PT100 temperature sensor is a kind of instrument that temperature variable is converted to transmissible normalization output signal.PT100 is platinum resistance thermometer sensor,, and its resistance is with the direct ratio that is varied to of temperature.The resistance of PT100 and variations in temperature are closed: in the time that PT100 temperature is 0 ℃, its resistance is 100 ohm, and in the time of 100 ℃, its resistance is about 138.5 ohm, and its resistance can increase along with temperature rise forms at the uniform velocity.In the time that 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 (6)
1. a welding set, it is characterized in that: 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, also comprise the current flood control device being 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 welding set 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 welding set according to claim 2, is characterized in that: described temperature sensor is arranged on water-cooled cable.
4. a kind of welding set according to claim 2, is characterized in that: described temperature sensor is PT100 temperature sensor.
5. a kind of welding set according to claim 1, is characterized in that: described radiator fan is provided with protective cover.
6. according to a kind of welding set described in any one in claim 1 ~ 5, 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 |
|---|---|---|---|
| CN201410070681.9A CN103801864A (en) | 2014-02-28 | 2014-02-28 | Electric welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070681.9A CN103801864A (en) | 2014-02-28 | 2014-02-28 | Electric welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103801864A true CN103801864A (en) | 2014-05-21 |
Family
ID=50699505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410070681.9A Pending CN103801864A (en) | 2014-02-28 | 2014-02-28 | Electric welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103801864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695572A (en) * | 2017-10-26 | 2018-02-16 | 安徽工程大学 | A kind of controllable type device for cooling of electric welding machine |
| CN108994486A (en) * | 2018-01-23 | 2018-12-14 | 伏能士智能设备（上海）有限公司 | A kind of welding gun water cooling plant |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999477A (en) * | 1990-07-27 | 1991-03-12 | Obara Corporation | Resistance measuring mechanism in a resistance welding machine |
| US20050006116A1 (en) * | 2003-07-11 | 2005-01-13 | Rehrig Richard B. | Power cable assembly for water and air-cooled welding torches |
| CN201002168Y (en) * | 2006-07-21 | 2008-01-09 | 中国第一重型机械集团公司 | Suspension type turning electric welding device |
| CN201592308U (en) * | 2010-02-03 | 2010-09-29 | 李孝杰 | Anti-explosion electric welding device |
| CN201728470U (en) * | 2010-07-28 | 2011-02-02 | 北京铁路信号工厂 | Cooling circulation water tank |
| CN201807810U (en) * | 2010-06-03 | 2011-04-27 | 湘潭科创机电有限公司 | Supersonic frequency brazing device |
| CN202910469U (en) * | 2012-06-05 | 2013-05-01 | 丰生微电机(上海)有限公司 | Portable circulating water cooling device with water level controller |
| CN203738253U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | Electric welding machine for production workshop |
-
2014
- 2014-02-28 CN CN201410070681.9A patent/CN103801864A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999477A (en) * | 1990-07-27 | 1991-03-12 | Obara Corporation | Resistance measuring mechanism in a resistance welding machine |
| US20050006116A1 (en) * | 2003-07-11 | 2005-01-13 | Rehrig Richard B. | Power cable assembly for water and air-cooled welding torches |
| CN201002168Y (en) * | 2006-07-21 | 2008-01-09 | 中国第一重型机械集团公司 | Suspension type turning electric welding device |
| CN201592308U (en) * | 2010-02-03 | 2010-09-29 | 李孝杰 | Anti-explosion electric welding device |
| CN201807810U (en) * | 2010-06-03 | 2011-04-27 | 湘潭科创机电有限公司 | Supersonic frequency brazing device |
| CN201728470U (en) * | 2010-07-28 | 2011-02-02 | 北京铁路信号工厂 | Cooling circulation water tank |
| CN202910469U (en) * | 2012-06-05 | 2013-05-01 | 丰生微电机(上海)有限公司 | Portable circulating water cooling device with water level controller |
| CN203738253U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | Electric welding machine for production workshop |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695572A (en) * | 2017-10-26 | 2018-02-16 | 安徽工程大学 | A kind of controllable type device for cooling of electric welding machine |
| CN107695572B (en) * | 2017-10-26 | 2019-07-09 | 安徽工程大学 | A controllable cooling device for electric welding machine |
| CN108994486A (en) * | 2018-01-23 | 2018-12-14 | 伏能士智能设备（上海）有限公司 | A kind of welding gun water cooling plant |
| CN108994486B (en) * | 2018-01-23 | 2020-03-31 | 伏能士智能设备（上海）有限公司 | Welding gun water cooling device |
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Application publication date: 20140521 |