CN108620722A - A kind of miniature electric resistance welding pen of digital precision control - Google Patents
A kind of miniature electric resistance welding pen of digital precision control Download PDFInfo
- Publication number
- CN108620722A CN108620722A CN201810555513.7A CN201810555513A CN108620722A CN 108620722 A CN108620722 A CN 108620722A CN 201810555513 A CN201810555513 A CN 201810555513A CN 108620722 A CN108620722 A CN 108620722A
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- China
- Prior art keywords
- welding
- main shaft
- resistance welding
- electric resistance
- pen
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
-
- 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
-
- 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
Abstract
A kind of miniature electric resistance welding pen of digital precision control, including main shaft（7）, main shaft（7）Setting is in force shell（8）It is interior, pressure sensor（9）With load spring（10）It is sequentially sleeved at main shaft（7）On, load spring（10）With main shaft（7）Upper wall is bonded.The purpose of the present invention is to provide a kind of digital precision control microminiature electric resistance welding pen and its control system, the solderable microminiature part of the system has many advantages, such as that metering is accurate, can still keep higher welding quality after accurate control welding pressure, long-time service, be convenient for technical management.
Description
Technical field
The present invention is a kind of miniature electric resistance welding pen of digital precision control, is related to special welding accurate control technique field.
Background technology
With the rapid development of science and technology, every profession and trade has higher want to the welding application range and welding quality of electric resistance welding
It asks, new technological requirement is had been unable to meet with welding triggering mode especially for traditional electric resistance welding pressure control, in some
Portion's bulk is minimum and complicated electronic component, traditional spot-welding equipment even electric resistance welding robot are also difficult to realize
The welding of many complex regions, needs size extra small and resistance welding electrode mechanical system that upper/lower electrode is separately controlled can be real
It is existing.
In traditional resistor welding electrode mechanical structure, top electrode is by measuring the bullet built in head to the pressure size of workpiece
Spring deformation quantity is arranged pressure controlled mechanical scale.The conventional method disadvantage is mainly that metering precision is inadequate, can not be accurate
Control welding pressure, at the same spring be used for a long time during elastic property change, but in terms of still being gone by initial scale
The size for measuring pressure, causes pressure under identical scale and tapers into, influence technical management and the welding quality of resistance-welding process.
Therefore at this stage technology in the presence of can not weld microminiature part, metering it is inaccurate, can not accurate control welding pressure,
Welding quality is greatly reduced, is unfavorable for the shortcomings of technical management after long-time service.
Invention content
The purpose of the present invention is to provide a kind of digital precisions to control miniature electric resistance welding pen and its control system, which can
Welding microminiature part has that metering is accurate, can still keep higher welding matter after accurate control welding pressure, long-time service
Amount is convenient for the advantages that technical management.
Technical scheme of the present invention：Digital precision controls miniature electric resistance welding pen, including main shaft, and main shaft setting is in force shell
Interior, pressure sensor is sequentially sleeved at load spring on main shaft, and load spring is bonded with main shaft upper wall.
Aforementioned digital precision controls miniature electric resistance welding pen, and the main shaft includes the axis body of upper end, and axis body lower end connects round platform
Holding section, the lower electrode of round platform holding section lower end connection.
Aforementioned digital precision controls miniature electric resistance welding pen, and the pressure sensor connects pressure control and welding by conducting wire
The welding trigger switch of triggering system, pressure control and welding triggering system connection resistance welding power source controller, resistance welding power source
Controller one end connects resistance electric welding pen upper end, the lower electrode of other end connection.
Aforementioned digital precision controls miniature electric resistance welding pen, and the force shell is hollow-core construction, and force shell lower port is straight
Diameter, which is more than, powers on polar diameter, and upper port is more than the diameter of axis body.
Aforementioned digital precision controls miniature electric resistance welding pen, diameter≤10mm of the force shell.
Aforementioned digital precision controls miniature electric resistance welding pen, a diameter of 0.5~3mm of top electrode.
Beneficial effects of the present invention：
1, traditional resistor weldering pressure control device is located inside machine, and mechanical scale is arranged by metering spring deformation quantity to pressure
It is adjusted.Precision Rough is arranged in pressure under this control, and spring is chronically at elastic parameter under compressive state and changes shadow
Ringing pressure output can not prevent, and finally influence welding quality.
This weldering pen incudes top electrode pressure by precision pressure sensor, and the pressure data sensed is transferred to microcontroller
Pressure sensor is passed to welding trigger switch by the control pressurer system of control in a manner of sophisticated signal, is realized to pressure
The control of power precision perception, and the size of pressure is subject to the signal of sensor actual perceived and transmission, it will not be because of spring
Index variation and change, therefore, theoretically and actually can keep for a long time accurate without changing, the weldering pen is in my company
Design and manufacture have come into operation nearly 3 years and any pressure precision variation do not occur, are welded with the lead of wherein certain model relay
For, it has been always maintained at the pressure of 8.5N since 3 years and the time of the electric current of 260A and 4.5ms are welded, is welded in 3 years
Intensity does not change, and welding deformation amount can control within the scope of 0.03mm.The integrated system of no pressure inside traditional weldering pen
It unites, only a copper electrode, for welding pressure completely with the empirical value artificially compressed, pressure divergence is larger, and also needs cooperation tradition
The triggering foot pedal of mash welder could be completed to weld, i.e., tradition weldering pen can be sayed without accurate precision, and this weldering pen theoretically can be permanent
The original precision of holding of property.
By taking the welding of certain miniature electro-magnetic relay coil lead as an example, diameter wire is Φ 0.4mm, every using tradition weldering pen weldering
Relay lead deformation amount deviation is larger, and minimum and maximum deviation range uses new weldering pen to can guarantee weldering in 0~0.3mm
Rear deflection range is connect in 0~0.03mm
2, traditional resistor welding head and power-supply controller of electric, welding triggering system are connected and fixed, and overall mass is larger, installation
It is irremovable afterwards, workpiece to be welded can only be moved between fixed upper/lower electrode after compressing and step on welding trigger switch again, passed
The electric resistance welding equipment of system is difficult to realize the inner body welding of complicated electronic component, such as the line of subminiature relay
Enclose the welding etc. between silver contact and pedestal exit.And the microminiature electric resistance welding pen after innovative design is due to dividing upper/lower electrode
From can design the electrode of different shape size according to demand, control pressurer system is built in by precision pressure sensor
In top electrode, the precision resistance weldering of super-small workpiece is realized, is led in space flight and aviation since current military relay is most of
Domain, and it is more and more harsh to a class technological requirement, new requirement is especially proposed to the intensity of electric resistance welding and welding deformation amount,
It is required that it is smaller and smaller to welding consistency, that is, welding deformation amount range, it is based on this, product design and technical papers are to welding
Deflection range reduces, by taking the welding of certain model miniature electro-magnetic relay lead as an example, file provide deflection 0~
It within the scope of 0.14mm, but according to traditional weldering pen ranging from 0~0.3mm, cannot achieve, space flight and aviation unit carries out technique and examines
File specified value and actual value are not inconsistent mostly when looking into, and here it is the inconvenience in technical management, the present invention successfully will after coming into operation
Welding deformation scope control is convenient for technical management in 0~0.03mm.
Description of the drawings
Attached drawing 1 is the general assembly structure chart of the present invention；
Attached drawing 2 is electric welding pen structural schematic diagram；
3 main axle structure figure of attached drawing；
Attached drawing 4 is pressure sensor structure figure.
Label in attached drawing be：1- resistance welding power source controllers, 2- weld trigger switch, 3- conducting wires, the control of 4-PLC pressure
System, 5- top electrodes, electrode under 6-, 7- main shafts, 8- exert a force shell, 9- pressure sensors, 10- load springs, 11- axis bodies, 12-
Round platform holding section, 13- lower ports, 14- upper ports, the miniature resistance electric welding pens of 15-, 16- workpiece.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment 1：Digital precision controls miniature electric resistance welding pen, as shown in Fig. 2, including main shaft 7, the setting of main shaft 7 is exerting a force
In shell 8, pressure sensor 9 is sequentially sleeved at load spring 10 on main shaft 7, and load spring 10 is bonded with 7 upper wall of main shaft.
The main shaft 7 includes the axis body 11 of upper end, and 11 lower end of axis body connects round platform holding section 12,12 lower end of round platform holding section
Electrode 5 under connection.
The pressure sensor 9 connects pressure control and welding triggering system 4 by conducting wire 3, and pressure control and welding are touched
Hair system 4 connects the welding trigger switch 2 of resistance welding power source controller 1, and 1 one end of resistance welding power source controller connects resistance electric welding
15 upper ends of pen, electrode 6 under other end connection.
The force shell 8 is hollow-core construction, and 8 lower port of force shell, 13 diameter is more than 5 diameter of top electrode, upper port 14
More than the diameter of axis body 11.
Diameter≤10mm of the force shell 8.
5 a diameter of 0.5~3mm of the top electrode.
Electric resistance welding pen part is mainly made of force shell, load spring, annular pressure sensor, main shaft.Its assembly is suitable
Sequence is that main shaft 7 is inserted into inside force shell 8, and the top electrode 5 of 7 lower end of main shaft is stretched by the lower port 13 for the shell 8 that exerts a force
Go out, is fastened on inside force shell 8 by round platform holding section 12, pressure sensor 9 and load spring 10 are linked in main shaft 7 successively
On, load spring 10 is mutually supported with 8 upper port 14 of force shell and is closed, and realizes assembly.
Force shell 8 is held when welding and applies downward pressure compaction workpiece to be welded, and force shell 8 compresses load spring
10, load spring 10 applies pressure to annular pressure sensor 9, and pressure signal is transferred to PLC controls by annular pressure sensor 9
System 4.
PLC control system is made of power module, pressure setting control system, welding triggering system, according to reality when welding
Border need be arranged technique specific requirement welding pressure, when in electric resistance welding pen annular pressure sensor 9 transmit pressure value and
When setting value is identical, pressure control module sends out the signal for connecting welding circuit to welding triggering system, and then welding triggering is opened
It closes and connects, source of welding current controller is once discharged according to the welding parameter set, completes primary welding.It is controlled by PLC
Pressure is converted to electric signal by system processed using pressure sensor 9, can be according to settings pressures such as size, the materials of welding workpiece
Smaller pressure threshold can be arranged when being welded to some microminiature workpiece in force threshold, when pressure reaches this threshold value
When, i.e., start-up resistor welds pen, is welded, just need not continue growing pressure, ensure that the sensitivity of welding, while avoiding length
Phase is welded the larger change to 10 coefficient of elasticity of load spring using larger pressure, and then reduces welding precision, passes through length
The use of phase can record different sizes, the rational pressure threshold of different materials institute, form record, can become in long-term work
Technical Reference foundation is convenient for technical management.
Embodiment 2：Digital precision controls miniature electric resistance welding pen, as shown in Fig. 2, including main shaft 7, the setting of main shaft 7 is exerting a force
In shell 8, pressure sensor 9 is sequentially sleeved at load spring 10 on main shaft 7, and load spring 10 is bonded with 7 upper wall of main shaft.
The main shaft 7 includes the axis body 11 of upper end, and 11 lower end of axis body connects round platform holding section 12,12 lower end of round platform holding section
Electrode 5 under connection.
The pressure sensor 9 connects pressure control and welding triggering system 4 by conducting wire 3, and pressure control and welding are touched
Hair system 4 connects the welding trigger switch 2 of resistance welding power source controller 1, and 1 one end of resistance welding power source controller connects resistance electric welding
15 upper ends of pen, electrode 6 under other end connection.
The force shell 8 is hollow-core construction, and 8 lower port of force shell, 13 diameter is more than 5 diameter of top electrode, upper port 14
More than the diameter of axis body 11.
Diameter≤9mm of the force shell 8.
5 a diameter of 1-2mm of the top electrode.Assembly method and application method are the same as embodiment 1.
Embodiment 3：Digital precision controls miniature electric resistance welding pen, as shown in Fig. 2, including main shaft 7, the setting of main shaft 7 is exerting a force
In shell 8, pressure sensor 9 is sequentially sleeved at load spring 10 on main shaft 7, and load spring 10 is bonded with 7 upper wall of main shaft.
The main shaft 7 includes the axis body 11 of upper end, and 11 lower end of axis body connects round platform holding section 12,12 lower end of round platform holding section
Electrode 5 under connection.
The pressure sensor 9 connects pressure control and welding triggering system 4 by conducting wire 3, and pressure control and welding are touched
Hair system 4 connects the welding trigger switch 2 of resistance welding power source controller 1, and 1 one end of resistance welding power source controller connects resistance electric welding
15 upper ends of pen, electrode 6 under other end connection.
The force shell 8 is hollow-core construction, and 8 lower port of force shell, 13 diameter is more than 5 diameter of top electrode, upper port 14
More than the diameter of axis body 11.
Diameter≤7mm of the force shell 8.
5 a diameter of 1.5mm of the top electrode.Assembly method and application method are the same as embodiment 1.
Claims (6)
1. a kind of digital precision controls miniature electric resistance welding pen, it is characterised in that：Including main shaft（7）, main shaft（7）Setting is outer in force
Shell（8）It is interior, pressure sensor（9）With load spring（10）It is sequentially sleeved at main shaft（7）On, load spring（10）With main shaft（7）
Upper wall is bonded.
2. digital precision according to claim 1 controls miniature electric resistance welding pen, it is characterised in that：The main shaft（7）Including
The axis body of upper end（11）, axis body（11）Lower end connects round platform holding section（12）, round platform holding section（12）Lower end connects top electrode
（5）.
3. digital precision according to claim 1 controls miniature electric resistance welding pen, it is characterised in that：The pressure sensor
（9）Pass through conducting wire（3）Connect pressure control and welding triggering system（4）, pressure controls and welding triggering system（4）Connect resistance
Weld power-supply controller of electric（1）Welding trigger switch（2）, resistance welding power source controller（1）One end connects resistance electric welding pen（15）On
End, the lower electrode of other end connection（6）.
4. digital precision according to claim 1 controls miniature electric resistance welding pen, it is characterised in that：The force shell（8）
For hollow-core construction, exert a force shell（8）Lower port（13）Diameter is more than top electrode（5）Diameter, upper port（14）More than axis body（11）
Diameter.
5. digital precision according to claim 1 controls miniature electric resistance welding pen, it is characterised in that：The force shell（8）
Diameter≤10mm.
6. digital precision according to claim 1 controls miniature electric resistance welding pen, it is characterised in that：The top electrode（5）Directly
Diameter is 0.5~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555513.7A CN108620722A (en) | 2018-06-01 | 2018-06-01 | A kind of miniature electric resistance welding pen of digital precision control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555513.7A CN108620722A (en) | 2018-06-01 | 2018-06-01 | A kind of miniature electric resistance welding pen of digital precision control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108620722A true CN108620722A (en) | 2018-10-09 |
Family
ID=63690964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810555513.7A Pending CN108620722A (en) | 2018-06-01 | 2018-06-01 | A kind of miniature electric resistance welding pen of digital precision control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108620722A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119764A (en) * | 2020-01-16 | 2021-07-16 | 许继电气股份有限公司 | Charging device with force measuring structure |
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| CN101670480A (en) * | 2008-09-09 | 2010-03-17 | 珠海精易焊接设备有限公司 | Spot welding pressure control device, spot welder and method for precisely controlling spot welding pressure |
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| CN203484794U (en) * | 2013-09-25 | 2014-03-19 | 东莞市威顺焊接设备有限公司 | Point welding machine head |
| CN206047340U (en) * | 2016-06-30 | 2017-03-29 | 广州微点焊设备有限公司 | The spot welding head of accurate electrode force compression system |
| CN207358363U (en) * | 2017-09-13 | 2018-05-15 | 深圳市沃特玛电池有限公司 | A kind of welding gun |
| CN208467495U (en) * | 2018-06-01 | 2019-02-05 | 贵州振华群英电器有限公司（国营第八九一厂） | A kind of miniature electric resistance welding pen of digital precision control |
-
2018
- 2018-06-01 CN CN201810555513.7A patent/CN108620722A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070021411A (en) * | 2005-08-18 | 2007-02-23 | 현대자동차주식회사 | Observation structure for welding quality of vehicle spot welding robot |
| CN101670480A (en) * | 2008-09-09 | 2010-03-17 | 珠海精易焊接设备有限公司 | Spot welding pressure control device, spot welder and method for precisely controlling spot welding pressure |
| CN102091856A (en) * | 2011-01-26 | 2011-06-15 | 吕华兵 | Trigger control welding head for micro-point electronic welding machine |
| CN203484794U (en) * | 2013-09-25 | 2014-03-19 | 东莞市威顺焊接设备有限公司 | Point welding machine head |
| CN206047340U (en) * | 2016-06-30 | 2017-03-29 | 广州微点焊设备有限公司 | The spot welding head of accurate electrode force compression system |
| CN207358363U (en) * | 2017-09-13 | 2018-05-15 | 深圳市沃特玛电池有限公司 | A kind of welding gun |
| CN208467495U (en) * | 2018-06-01 | 2019-02-05 | 贵州振华群英电器有限公司（国营第八九一厂） | A kind of miniature electric resistance welding pen of digital precision control |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119764A (en) * | 2020-01-16 | 2021-07-16 | 许继电气股份有限公司 | Charging device with force measuring structure |
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