CN108890105A - A kind of filament stainless steel is to welding machine and flat welding process - Google Patents
A kind of filament stainless steel is to welding machine and flat welding process Download PDFInfo
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- CN108890105A CN108890105A CN201811030777.7A CN201811030777A CN108890105A CN 108890105 A CN108890105 A CN 108890105A CN 201811030777 A CN201811030777 A CN 201811030777A CN 108890105 A CN108890105 A CN 108890105A
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- 238000003466 welding Methods 0.000 title claims abstract description 75
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000010935 stainless steel Substances 0.000 title claims description 14
- 230000005669 field effect Effects 0.000 claims description 48
- 230000005611 electricity Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- B23K11/02—Pressure butt welding
-
- 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
- B23K11/34—Preliminary treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
Abstract
The invention discloses a kind of filament stainless steels to welding machine and flat welding process, including welder body, welder body is equipped with touch screen, positive electrode is set below touch screen, it negative electrode and starts switch, control circuit board is equipped with inside welder body, control circuit board is equipped with ARM controller, voltage/current feedback module, drive module, high-frequency inverter, hf rectifier, high frequency transformer and PFC, ARM controller is separately connected touch screen, voltage/current feedback module, it starts switch, ARM controller connects high-frequency inverter by drive module, structure of the invention principle is simple, it can be realized flat welding process curve controlled, the butt welding molding and mechanical property that can make stainless steel wire are optimal, electric current and process curve control precision are high, anti-interference is good.
Description
Technical field
The present invention relates to welding machine technical field, specially a kind of filament stainless steel is to welding machine and flat welding process.
Background technique
Stainless steel Anti-cut Gloves are widely applied in meat-processing industry.Technique requirement of the stainless steel wire of 0.52mm to welding
It is very harsh.Traditional welder is all open cycle system, welding condition list to welding machine such as the exchange mechanical, electrical discharge capacitor of butt welding
One, it cannot achieve the high-quality welding to filament stainless steel；Traditional butt welding requires strictly the notch of stainless steel wire, different
Notch has different contact conditions.Fixture and electrode are required strictly, these can all cause the difference of contact resistance.Contact shape
State and contact resistance directly affect the effect of butt welding.Even if these all meet the requirements, the consistency of butt welding is also very poor, because of butt welding
When connector dynamic electric resistor it is different, and be unable to control.
Summary of the invention
The purpose of the present invention is to provide a kind of filament stainless steels to welding machine and flat welding process, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of filament stainless steel is to welding machine, including welding machine sheet
Body, the welder body are equipped with touch screen, and positive electrode, negative electrode are arranged below the touch screen and starts switch, the weldering
Machine body interior is equipped with control circuit board, and the control circuit board is equipped with ARM controller, voltage/current feedback module, driving
Module, high-frequency inverter, hf rectifier, high frequency transformer and PFC, the ARM controller are separately connected touch screen, electricity
Pressure/current feedback module starts switch, and the ARM controller connects high-frequency inverter, the high-frequency inversion by drive module
Device is separately connected high frequency transformer and PFC, and the high frequency transformer connects hf rectifier, the hf rectifier output welding
Electric current, the hf rectifier are also connected with voltage/current feedback module.
Preferably, the ARM controller be equipped with I/O mouth mold block, timer conter module, ADC module, serial port module with
And FLASH module, the I/O mouth mold block connection start switch, the timer conter module connects full-bridge ZVC sequence circuit,
The ADC module connects voltage/current feedback module, and the serial port module connects touch screen.
Preferably, the high-frequency inverter include field effect transistor A, field effect transistor B, field effect transistor C and
Field effect transistor D connects resistance A, the field effect transistor A grid point between the field effect transistor gate and drain electrode
Not Lian Jie the one end resistance B and diode A anode, the resistance B other end connection diode A cathode simultaneously connects the end OUTUT；It is described
Field effect transistor A drain electrode is also respectively connected with transformer one end and field effect transistor B source electrode, and the field-effect is brilliant
Resistance C is connected between body pipe B drain and gate, the field effect transistor B grid is separately connected the one end resistance D and diode B
Anode, the resistance D other end connect diode B cathode and connect the end OUTLL；The field effect transistor B drain electrode connects respectively
Field effect transistor D drain electrode and the one end resistance G are connect, the resistance G other end is separately connected the one end resistance H, diode D anode and field
Effect transistor D grid, the resistance H other end connect diode D cathode and connect the end OUTLR, the field effect transistor D
Source electrode is separately connected the one end resistance E and field effect transistor C drain electrode, and the resistance E other end is separately connected the one end resistance F, two
Pole pipe C anode and field effect transistor C grid, the resistance F other end connect diode C cathode and connect the end OUTUR.
Preferably, flat welding process includes the following steps：
A, by the stainless steel welding stick cut-to-length of 0.52mm；
B, stainless steel wire copper folder is added on electrode；
C, two stainless steel wire ends are aligned；
D, specific pressure is added on electrode, makes the pressurization of stainless steel wire connector to it；
E, welding machine is powered on, setup parameter was pressed and started switch if parameter meets the requirements touch-control screen display last time
It is welded；
If F, parameter is undesirable, resets parameter and pressed after being saved to parameter and start switch；
G, triggering starts butt welding to welding machine output welding procedure curve；
H, to postwelding, connector takes out after cooling down in air.
Compared with prior art, the beneficial effects of the invention are as follows：Structure of the invention principle is simple, can be realized flat welding process
Curve controlled can be such that the butt welding molding of stainless steel wire and mechanical property is optimal, and electric current and process curve control precision are high,
Anti-interference is good.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is control principle block diagram of the present invention；
Fig. 3 is ARM controller schematic diagram of the present invention；
Fig. 4 is high frequency inverter circuit schematic diagram of the present invention；
Fig. 5 is welding machine work flow diagram of the present invention；
Fig. 6 is flat welding process curve graph of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution：A kind of filament stainless steel is to welding machine, including welder body
1, the welder body 1 is equipped with touch screen 2, and positive electrode 3, negative electrode 4 are arranged below the touch screen 2 and starts switch 5, institute
It states and is equipped with control circuit board 6 inside welder body 1, the control circuit board 6 is equipped with ARM controller 7, voltage/current is fed back
Module 8, drive module 9, high-frequency inverter 10, hf rectifier 11, high frequency transformer 12 and PFC13, the ARM controller
7 are separately connected touch screen 2, voltage/current feedback module 8, start switch 5, and the ARM controller 7 is connected by drive module 9
High-frequency inverter 10, the high-frequency inverter 10 are separately connected high frequency transformer 12 and PFC13, and the high frequency transformer 12 connects
Hf rectifier 11, the hf rectifier 11 export welding current, and the hf rectifier 11 is also connected with voltage/current feedback
Module 8；High frequency transformation electric appliance is since the electric current of output is larger, the subcarrier band centre cap of transformer, so at least around Liang Quan, it is defeated
Enter 403v, export 7.5v, primary side can be calculated around 54 circles.Magnetic core uses the magnetic core of Ferrite Material E28；Rectifier will exchange
The input of 220V becomes DC voltage；High-frequency inverter uses full-bridge topology, adjusts the voltage of output by adjusting duty ratio；
High frequency transformer plays the role of isolation and impedance transformation, and the input characteristics of high voltage-small current is transformed into the defeated of low-voltage, high-current
Characteristic out；High-frequency ac point is become direct current by hf rectifier, provides energy for butt welding.The main circuit of high-frequency work can make
Current response rate is greater than 100A/us, which provides condition for the accurate control of precision to waveform.
Traditional welding machine is used herein as rectifier bridge and exchange is become direct current, reduces DC pulse with filter capacitor.Due to
The stainless steel wire of 0.52mm requires harshness to energy hole, and DC pulse makes the energy output of welding also have pulsation, shadow at branch
Ring welding quality.So the present invention has following purpose using PFC module：220v alternating current is become to the 403v direct current that do not pulse
Voltage；To input 220v AC power factor correction, improve efficiency；The input voltage of PFC module is 110~264VAC,
The 403v direct current that the mutation and disturbance of alternating voltage caused by the start and stop of his large power-consuming equipment will not influence this welding machine is female
Line voltage, therefore improve the stability and anti-interference ability of system.
In the present invention, ARM controller 7 is equipped with I/O mouth mold block 14, timer conter module 15, ADC module 16, serial ports
Module 17 and FLASH module 19, the connection of I/O mouth mold block 14 start switch 5, and the timer conter module 15 connects entirely
Bridge ZVC sequence circuit 18, the ADC module 16 connect voltage/current feedback module 8, and the serial port module 17 connects touch screen
2.The sampling of ADC module completion feedback voltage electric current；The control of timer counter module completion full-bridge zvs Sofe Switch timing；Serial ports
Complete the communication with touch screen data.The input of I/O module mouth identification trigger signal.FLASH module storage technology data.
In the present invention, high-frequency inverter 10 includes field effect transistor A1c, field effect transistor B2c, field effect transistor
C3c and field effect transistor D4c connects resistance A1a, the field-effect between the field effect transistor A1c grid and drain electrode
Transistor A1c grid is separately connected the one end resistance B2a and diode A1b anode, and the resistance B2a other end connects diode
A1b cathode simultaneously connects the end OUTUT；Field effect transistor A1c drain electrode be also respectively connected with 20 primary coil one end of transformer and
Field effect transistor B2c source electrode, resistance C3a is connected between the field effect transistor B2c drain and gate, and the field-effect is brilliant
Body pipe B2c grid is separately connected the one end resistance D4a and diode B2b anode, and the resistance D4a other end connects diode B2b
Cathode simultaneously connects the end OUTLL；The field effect transistor B2c drain electrode is separately connected field effect transistor D4c drain electrode and resistance
The one end G7a, the resistance G7a other end are separately connected the one end resistance H8a, diode D4b anode and field effect transistor D4c grid,
The resistance H8a other end connects diode D4b cathode and connects the end OUTLR, and the field effect transistor D4c source electrode connects respectively
The one end connecting resistance E5a and field effect transistor C3c drain electrode, the resistance E5a other end are separately connected the one end resistance F6a, two poles
Pipe C3b anode and field effect transistor C3c grid, the resistance F6a other end connect diode C3b cathode and connect OUTUR
End.
High-frequency inverter uses full-bridge inverting topology, ZVS Sofe Switch control sequential；OUTUR and OUTUL is upper bridge arm two
Switching tube, accounting are fixed as 50%.OUTLR and OUTLL is two switching tubes of lower bridge arm, and duty ratio is adjustable.Traditional full-bridge is inverse
Become and use hard switching control sequential, switching loss, spike and interference are all very big.The spike of these switches can make the voltage electricity of welding machine
Stream feedback sample has large error, to influence the accurate control of welding machine output technique.So the present invention uses zvs Sofe Switch
The error that technology samples come feedback of voltage and current caused by avoiding because of switch spike.
Flat welding process of the invention includes the following steps：
A, by the stainless steel welding stick cut-to-length of 0.52mm；
B, stainless steel wire copper folder is added on electrode；
C, two stainless steel wire ends are aligned；
D, specific pressure is added on electrode, makes the pressurization of stainless steel wire connector to it；
E, welding machine is powered on, setup parameter was pressed and started switch if parameter meets the requirements touch-control screen display last time
It is welded；
If F, parameter is undesirable, resets parameter and pressed after being saved to parameter and start switch；
G, triggering starts butt welding to welding machine output welding procedure curve；
H, to postwelding, connector takes out after cooling down in air.
The technological parameter of butt welding is inputted by touch screen, and the parameter of setting includes electric current I and time t.ARM controller acquisition is defeated
Instantaneous voltage and electric current out, then calculate the real available value of voltage and current.In the welding process, weldering is precisely measured out
The virtual value for connecing electric current, output electric current accurately control and the monitoring of welding quality very crucial (most welding is using putting down
Equal current control is used herein as real available value current control).The electric current that touch screen provides is as given, the real available value work of calculating
For feedback, the duty ratio D of PWM output is calculated subsequently into real available value current closed-loop.When there is trigger signal, output is closed
The electric current of ring control and corresponding time, to complete the control of spot-welding technology curve.
Flat welding process curve is as shown in fig. 6, wherein tr is current rise time, rising of this stage with electric current, connector
Place starts fever plastic deformation, and the contact surface of connector becomes larger, and contact resistance reduces.This segment process can reduce contact condition butt welding
Connect the influence of quality.If this segment process is not added, the consistency of butt welding is poor, and yield rate is low；T1 is weld interval, and I1 is welding electricity
Stream.This segment process makes connector temperature rapid increase, makes connector melting welding.(I is excessive or t is too long) can make to connect when the technological parameter is bigger than normal
Head in air burning and black, can not melting welding when parameter is less than normal；T2 is heat preservation electric current, and I2 is soaking time.This segment process makes
Connector temperature, which is maintained at certain temperature (850-1050 DEG C) held for some time (5-50ms), spreads atom between connector adequately,
Improve joint quality.
In conclusion structure of the invention principle is simple, flat welding process curve controlled can be realized, can make stainless steel wire
Butt welding molding and mechanical property are optimal, and electric current and process curve control precision are high, and anti-interference is good.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of filament stainless steel is to welding machine, including welder body (1), it is characterised in that：The welder body (1) is equipped with touching
Control screen (2), touch screen (2) lower section are arranged positive electrode (3), negative electrode (4) and start switch (5), the welder body (1)
Inside is equipped with control circuit board (6), and the control circuit board (6) is equipped with ARM controller (7), voltage/current feedback module
(8), drive module (9), high-frequency inverter (10), hf rectifier (11), high frequency transformer (12) and PFC (13), it is described
ARM controller (7) is separately connected touch screen (2), voltage/current feedback module (8), starts switch (5), the ARM controller
(7) by drive module (9) connection high-frequency inverter (10), the high-frequency inverter (10) is separately connected high frequency transformer (12)
With PFC (13), the high frequency transformer (12) connects hf rectifier (11), hf rectifier (11) the output welding electricity
Stream, the hf rectifier (11) are also connected with voltage/current feedback module (8).
2. a kind of filament stainless steel according to claim 1 is to welding machine, it is characterised in that：It is set on the ARM controller (7)
There are I/O mouth mold block (14), timer conter module (15), ADC module (16), serial port module (17) and FLASH module (19),
I/O mouth mold block (14) connection starts switch (5), and the timer conter module (15) connects full-bridge ZVC sequence circuit
(18), ADC module (16) connection voltage/current feedback module (8), the serial port module (17) connect touch screen (2).
3. a kind of filament stainless steel according to claim 1 is to welding machine, it is characterised in that：High-frequency inverter (10) packet
Include field effect transistor A (1c), field effect transistor B (2c), field effect transistor C (3c) and field effect transistor D (4c), institute
It states and connects resistance A (1a) between field effect transistor A (1c) grid and drain electrode, field effect transistor A (1c) the grid difference
The one end (2a) resistance B and diode A (1b) anode are connected, resistance B (2a) other end connects diode A (1b) cathode and company
Connect the end OUTUT；Field effect transistor A (1c) drain electrode is also respectively connected with transformer (20) primary coil one end and field-effect is brilliant
Body pipe B (2c) source electrode connects resistance C (3a) between field effect transistor B (2c) drain and gate, the field effect transistor
Pipe B (2c) grid is separately connected the one end (4a) resistance D and diode B (2b) anode, and resistance D (4a) other end connects two poles
Pipe B (2b) cathode simultaneously connects the end OUTLL；Field effect transistor B (2c) drain electrode is separately connected field effect transistor D (4c) leakage
Pole and the one end resistance G (7a), resistance G (7a) other end are separately connected the one end resistance H (8a), diode D (4b) anode and field
Effect transistor D (4c) grid, resistance H (8a) other end connects diode D (4b) cathode and connects the end OUTLR, described
Field effect transistor D (4c) source electrode is separately connected the one end (5a) resistance E and field effect transistor C (3c) drain electrode, the resistance E
(5a) other end is separately connected the one end resistance F (6a), diode C (3b) anode and field effect transistor C (3c) grid, the electricity
Resistance F (6a) other end connection diode C (3b) cathode simultaneously connects the end OUTUR.
4. realizing a kind of filament stainless steel described in claim 1 to welding machine, it is characterised in that：Flat welding process includes following step
Suddenly：
A, by the stainless steel welding stick cut-to-length of 0.52mm；
B, stainless steel wire copper folder is added on electrode；
C, two stainless steel wire ends are aligned；
D, specific pressure is added on electrode, makes the pressurization of stainless steel wire connector to it；
E, welding machine is powered on, setup parameter was pressed if parameter meets the requirements and started switch progress touch-control screen display last time
Welding；
If F, parameter is undesirable, resets parameter and pressed after being saved to parameter and start switch；
G, triggering starts butt welding to welding machine output welding procedure curve；
H, to postwelding, connector takes out after cooling down in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030777.7A CN108890105B (en) | 2018-09-05 | 2018-09-05 | Filament stainless steel butt welding machine and butt welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030777.7A CN108890105B (en) | 2018-09-05 | 2018-09-05 | Filament stainless steel butt welding machine and butt welding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108890105A true CN108890105A (en) | 2018-11-27 |
| CN108890105B CN108890105B (en) | 2024-05-14 |
Family
ID=64359698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811030777.7A Active CN108890105B (en) | 2018-09-05 | 2018-09-05 | Filament stainless steel butt welding machine and butt welding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108890105B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001539A (en) * | 1973-11-13 | 1977-01-04 | Axis S.P.A. | Control systems for welding machines |
| CN1314226A (en) * | 2000-03-22 | 2001-09-26 | 宫地技术株式会社 | Connection method for metal member and reflux welding method |
| CN101157154A (en) * | 2007-11-15 | 2008-04-09 | 华南理工大学 | Embedded digitalization multifunctional inversion type flexible switch arc-welding power supply based on ARM |
| CN101913015A (en) * | 2010-07-29 | 2010-12-15 | 薛家祥 | Thin double-wire digital soft switch inverter welding power source system and control method thereof |
| JP2012101231A (en) * | 2010-11-08 | 2012-05-31 | Daihen Corp | Power unit for welding |
| CN103962695A (en) * | 2013-02-04 | 2014-08-06 | 日本亚比欧尼克斯股份有限公司 | Welding apparatus |
| CN204171514U (en) * | 2014-08-29 | 2015-02-25 | 成都三方电气有限公司 | A kind of high-performance high-frequency Inverter TIG Welding machine |
| CN208628637U (en) * | 2018-09-05 | 2019-03-22 | 河北科技大学 | A kind of filament stainless steel is to welding machine |
-
2018
- 2018-09-05 CN CN201811030777.7A patent/CN108890105B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001539A (en) * | 1973-11-13 | 1977-01-04 | Axis S.P.A. | Control systems for welding machines |
| CN1314226A (en) * | 2000-03-22 | 2001-09-26 | 宫地技术株式会社 | Connection method for metal member and reflux welding method |
| CN101157154A (en) * | 2007-11-15 | 2008-04-09 | 华南理工大学 | Embedded digitalization multifunctional inversion type flexible switch arc-welding power supply based on ARM |
| CN101913015A (en) * | 2010-07-29 | 2010-12-15 | 薛家祥 | Thin double-wire digital soft switch inverter welding power source system and control method thereof |
| JP2012101231A (en) * | 2010-11-08 | 2012-05-31 | Daihen Corp | Power unit for welding |
| CN103962695A (en) * | 2013-02-04 | 2014-08-06 | 日本亚比欧尼克斯股份有限公司 | Welding apparatus |
| CN204171514U (en) * | 2014-08-29 | 2015-02-25 | 成都三方电气有限公司 | A kind of high-performance high-frequency Inverter TIG Welding machine |
| CN208628637U (en) * | 2018-09-05 | 2019-03-22 | 河北科技大学 | A kind of filament stainless steel is to welding machine |
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|---|---|
| CN108890105B (en) | 2024-05-14 |
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