CN111037080A - Automatic cooling system of parallel resistance welding electrode tip - Google Patents
Automatic cooling system of parallel resistance welding electrode tip Download PDFInfo
- Publication number
- CN111037080A CN111037080A CN201911320731.3A CN201911320731A CN111037080A CN 111037080 A CN111037080 A CN 111037080A CN 201911320731 A CN201911320731 A CN 201911320731A CN 111037080 A CN111037080 A CN 111037080A
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- China
- Prior art keywords
- parallel resistance
- resistance welding
- switch
- welding
- port
- Prior art date
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 76
- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 230000005693 optoelectronics Effects 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002918 waste heat Substances 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3054—Cooled electrodes
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
An automatic cooling system for parallel resistance welding electrode tips comprising: air pipe, pneumatic solenoid valve and control circuit. According to the automatic cooling system for the parallel resistance welding electrode tip, the electrode tip is cooled through air flow in a non-welding state; in the welding state, the air flow is automatically cut off to ensure that the welding heat is sufficient. Use this system cooling electrode tip, especially when welding production cycle is fast, the cooling effect is obvious, can not only guarantee welding stability, because of the electrode tip temperature can not accumulate moreover, in whole welding production process, the electrode tip life-span obviously improves, and production efficiency obviously improves.
Description
Technical Field
The invention belongs to the technical field of resistance welding, and particularly relates to an automatic cooling system for parallel resistance welding electrode tips.
Background
The parallel resistance welding uses tungsten and molybdenum electrode tips for welding, and the electrode tips generate heat when current flows through the electrode tips in the welding process, so that the workpieces are locally melted. The welded electrode tip mainly radiates heat through the heat conduction guide electrode arm, and the tungsten and molybdenum materials have high thermal resistance and low heat conduction speed, so that the welding frequency is high, and the waste heat of the welded electrode is not easy to dissipate to cause heat accumulation particularly when the production beat is high. The resistance of the metal material is increased along with the temperature rise, so that the resistance of the electrode tip is increased, and no matter which control mode the welding machine performs welding in, the resistance change caused by the temperature change of the electrode tip can cause the heat generation change of resistance welding, so that the stability of welding production is reduced.
Disclosure of Invention
To solve the above problems, the present invention provides an automatic cooling system for parallel resistance welding electrode tips, comprising:
the air pipe is used for blowing air to the electrode tip so as to cool the electrode tip; the electrode head is arranged at the tail end of the electrode arm, and the first end of the air pipe is aligned to the electrode head;
the pneumatic electromagnetic valve is used for controlling the on-off of the air pipe; the first end of the pneumatic electromagnetic valve is communicated with the second end of the air pipe, and the second end of the pneumatic electromagnetic valve is communicated with a high-pressure gas pipeline;
the control circuit is used for judging the working state of the parallel resistance welding so as to control the pneumatic electromagnetic valve to switch on or off the air pipe; and the control circuit is respectively connected with the welding switch of the parallel resistance welding and the pneumatic electromagnetic valve.
Preferably, the trachea is fixed to the electrode arm.
Preferably, the control circuit includes: a port J1, a port J2, a photoelectric switch U1, a photoelectric switch U2, a resistor R1 and a resistor R2, wherein, the pin of the port J1 is connected with the switch loop of the parallel resistance welding, the pin 1 of the port J1 is respectively connected with the diode anode of the photoelectric switch U1 and the diode cathode of the photoelectric switch U1, and the pin 2 is respectively connected with the diode cathode of the photoelectric switch U1 and the diode anode of the photoelectric switch U1, the resistor R1 has a first terminal connected to a first positive potential and a second terminal connected to a first terminal of the output terminal of the opto-electronic switch U1, the resistor R2 has a first terminal connected to the first positive potential and a second terminal connected to the first terminal of the output terminal of the opto-electronic switch U2, the second end of the output end of the photoelectric switch U1 and the second end of the output end of the photoelectric switch U2 are both connected with the 1 pin of the port J2, and the 2 pin of the port J2 is grounded.
Preferably, the pin of the port J1 is connected in series with the parallel resistance welded switch loop.
Preferably, pin 1 or pin 2 of the port J1 is connected to the switch loop of the parallel resistance welding.
Preferably, the photoelectric switches U1 and U2 include photocouplers.
According to the automatic cooling system for the parallel resistance welding electrode tip, the electrode tip is cooled through air flow in a non-welding state; in the welding state, the air flow is automatically cut off to ensure that the welding heat is sufficient. Use this system cooling electrode tip, especially when welding production cycle is fast, the cooling effect is obvious, can not only guarantee welding stability, because of the electrode tip temperature can not accumulate moreover, in whole welding production process, the electrode tip life-span obviously improves, and production efficiency obviously improves.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic illustration of the connection of an automatic cooling system for parallel resistance welding electrode tips according to the present invention;
FIG. 2 is a schematic view of the gas circuit connection of an automatic cooling system for parallel resistance welding electrode tips provided by the present invention;
fig. 3 is a schematic diagram of a control circuit in an automatic cooling system for parallel resistance welding electrode tips according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In an embodiment of the present application, as shown in fig. 1-3, the present application provides an automatic cooling system for parallel resistance welding electrode tips, comprising: the air pipe 1, the pneumatic solenoid valve 4 and the control circuit 5, and the detailed description of each part is given below.
In an embodiment of the present application, as shown in fig. 1, the present application provides an automatic cooling system for parallel resistance welding electrode tips, comprising:
the air pipe 1 is used for blowing air to the electrode tip 2 so as to cool the electrode tip; the electrode tip 2 is arranged at the tail end of the electrode arm 3, and the first end of the air pipe 1 is aligned with the electrode tip 2;
the pneumatic electromagnetic valve 4 is used for controlling the on-off of the air pipe 1; the first end of the pneumatic electromagnetic valve 4 is communicated with the second end of the air pipe 1, and the second end of the pneumatic electromagnetic valve is communicated with a high-pressure gas pipeline;
the control circuit 5 is used for judging the working state of the parallel resistance welding so as to control the pneumatic electromagnetic valve 4 to switch on or off the air pipe 1; the control circuit 5 is connected to the welding switch of the parallel resistance welding and the pneumatic solenoid valve 4, respectively.
When this automatic cooling system of the parallel resistance welding electrode tips is operated, a welding switch is first connected to the control circuit 5 in the present system, whereby a welding state is obtained. In a non-welding state, the control circuit 5 automatically controls the pneumatic electromagnetic valve 4 to guide the air pipe 1 to be communicated and cool the electrode tip 2 by airflow; in a welding state, the control circuit 5 automatically controls the pneumatic electromagnetic valve 4 to cut off the air flow in the air pipe 1 so as to stabilize the welding production.
Referring to fig. 2, in the present embodiment, the trachea 1 is fixed to the electrode arm 3 and can move up and down with the electrode arm 3.
As shown in fig. 3, in the embodiment of the present application, the control circuit 5 includes: a port J1, a port J2, a photoelectric switch U1, a photoelectric switch U2, a resistor R1 and a resistor R2, wherein, the pin of the port J1 is connected with the switch loop of the parallel resistance welding, the pin 1 of the port J1 is respectively connected with the diode anode of the photoelectric switch U1 and the diode cathode of the photoelectric switch U1, and the pin 2 is respectively connected with the diode cathode of the photoelectric switch U1 and the diode anode of the photoelectric switch U1, the resistor R1 has a first terminal connected to a first positive potential and a second terminal connected to a first terminal of the output terminal of the opto-electronic switch U1, the resistor R2 has a first terminal connected to the first positive potential and a second terminal connected to the first terminal of the output terminal of the opto-electronic switch U2, the second end of the output end of the photoelectric switch U1 and the second end of the output end of the photoelectric switch U2 are both connected with the 1 pin of the port J2, and the 2 pin of the port J2 is grounded.
In the embodiment of the application, the pin of the port J1 is connected in series with the switch loop of the parallel resistance welding.
In the embodiment of the application, the 1 pin or the 2 pin of the port J1 is connected with the switch loop of the parallel resistance welding.
Referring to fig. 3, in the embodiment of the present application, the opto-electronic switches U1 and U2 include opto-couplers, the opto-couplers are PS7241-1B, the resistor R1 has a resistance of 100 Ω, the resistor R2 has a resistance of 100 Ω, and the voltage of the first positive potential is 12V.
When the control circuit 5 works, if the welding switch is closed, and the welding time period is in the welding time period, the photoelectric switch U1 or the photoelectric switch U2 acts (U1 and U2 are anti-reverse designs, and no matter the port J1 is connected with the welding machine switch in a positive and reverse mode, the port J1 can act all the way), the photoelectric switch U1 is disconnected with the output end of the photoelectric switch U2, the pneumatic electromagnetic valve 4 is closed, and no air flow is in the air pipe 1 to cool the electrode head 2; if the welding switch is turned off, the welding switch is in a non-welding period, the output end of the photoelectric switch U1 or the photoelectric switch U2 is closed, the pneumatic electromagnetic valve 4 is opened, and air flow exists in the air pipe 1 to cool the electrode tip 2.
According to the automatic cooling system for the parallel resistance welding electrode tip, the electrode tip is cooled through air flow in a non-welding state; in the welding state, the air flow is automatically cut off to ensure that the welding heat is sufficient. Use this system cooling electrode tip, especially when welding production cycle is fast, the cooling effect is obvious, can not only guarantee welding stability, because of the electrode tip temperature can not accumulate moreover, in whole welding production process, the electrode tip life-span obviously improves, and production efficiency obviously improves.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. An automatic cooling system for parallel resistance welding electrode tips comprising:
the air pipe is used for blowing air to the electrode tip so as to cool the electrode tip; the electrode head is arranged at the tail end of the electrode arm, and the first end of the air pipe is aligned to the electrode head;
the pneumatic electromagnetic valve is used for controlling the on-off of the air pipe; the first end of the pneumatic electromagnetic valve is communicated with the second end of the air pipe, and the second end of the pneumatic electromagnetic valve is communicated with a high-pressure gas pipeline;
the control circuit is used for judging the working state of the parallel resistance welding so as to control the pneumatic electromagnetic valve to switch on or off the air pipe; and the control circuit is respectively connected with the welding switch of the parallel resistance welding and the pneumatic electromagnetic valve.
2. The system for automatically cooling parallel resistance welding electrode tips of claim 1 wherein said gas tube is secured to said electrode arms.
3. An automated cooling system for parallel resistance welding electrode tips as defined in claim 1 wherein said control circuit includes: a port J1, a port J2, a photoelectric switch U1, a photoelectric switch U2, a resistor R1 and a resistor R2, wherein, the pin of the port J1 is connected with the switch loop of the parallel resistance welding, the pin 1 of the port J1 is respectively connected with the diode anode of the photoelectric switch U1 and the diode cathode of the photoelectric switch U1, and the pin 2 is respectively connected with the diode cathode of the photoelectric switch U1 and the diode anode of the photoelectric switch U1, the resistor R1 has a first terminal connected to a first positive potential and a second terminal connected to a first terminal of the output terminal of the opto-electronic switch U1, the resistor R2 has a first terminal connected to the first positive potential and a second terminal connected to the first terminal of the output terminal of the opto-electronic switch U2, the second end of the output end of the photoelectric switch U1 and the second end of the output end of the photoelectric switch U2 are both connected with the 1 pin of the port J2, and the 2 pin of the port J2 is grounded.
4. The system for automatically cooling parallel resistance welding electrode tips of claim 3 wherein the pin of port J1 is in series with the switch circuit of the parallel resistance welding.
5. The system for automatically cooling parallel resistance welding electrode tips of claim 3 wherein pin 1 or pin 2 of said port J1 is connected to a switch circuit of said parallel resistance welding.
6. The automatic cooling system for parallel resistance welding electrode tips of claim 3 wherein said opto-electronic switches U1 and U2 comprise opto-couplers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911320731.3A CN111037080A (en) | 2019-12-19 | 2019-12-19 | Automatic cooling system of parallel resistance welding electrode tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911320731.3A CN111037080A (en) | 2019-12-19 | 2019-12-19 | Automatic cooling system of parallel resistance welding electrode tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111037080A true CN111037080A (en) | 2020-04-21 |
Family
ID=70238138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911320731.3A Pending CN111037080A (en) | 2019-12-19 | 2019-12-19 | Automatic cooling system of parallel resistance welding electrode tip |
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| Country | Link |
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| CN (1) | CN111037080A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005118819A (en) * | 2003-10-16 | 2005-05-12 | Furukawa Battery Co Ltd:The | Soldering method |
| CN202212689U (en) * | 2011-08-22 | 2012-05-09 | 北京维通利电气有限公司 | Copper strip soft connector diffusion welding system |
| CN103464885A (en) * | 2013-09-13 | 2013-12-25 | 江门市保值久机电有限公司 | Novel arc welding machine |
| CN104959699A (en) * | 2013-10-16 | 2015-10-07 | 南安市丰州高捷摩托车节能实用科技产品销售中心 | Water-cooling heat dissipating frame of electric soldering iron |
| CN205684894U (en) * | 2016-06-08 | 2016-11-16 | 珠海市持久电子科技有限公司 | A kind of c-type welding gun of resistance welder |
| CN208391208U (en) * | 2017-09-15 | 2019-01-18 | 厦门佑科自动化科技有限公司 | Two cap welder of fuse |
-
2019
- 2019-12-19 CN CN201911320731.3A patent/CN111037080A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005118819A (en) * | 2003-10-16 | 2005-05-12 | Furukawa Battery Co Ltd:The | Soldering method |
| CN202212689U (en) * | 2011-08-22 | 2012-05-09 | 北京维通利电气有限公司 | Copper strip soft connector diffusion welding system |
| CN103464885A (en) * | 2013-09-13 | 2013-12-25 | 江门市保值久机电有限公司 | Novel arc welding machine |
| CN104959699A (en) * | 2013-10-16 | 2015-10-07 | 南安市丰州高捷摩托车节能实用科技产品销售中心 | Water-cooling heat dissipating frame of electric soldering iron |
| CN205684894U (en) * | 2016-06-08 | 2016-11-16 | 珠海市持久电子科技有限公司 | A kind of c-type welding gun of resistance welder |
| CN208391208U (en) * | 2017-09-15 | 2019-01-18 | 厦门佑科自动化科技有限公司 | Two cap welder of fuse |
Non-Patent Citations (1)
| Title |
|---|
| 王伟强: "一种适应较大电流场合的水冷式TIG焊枪设计 ", 《机械工程师》 * |
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Application publication date: 20200421 |