CN105965127A - Automatic welding device and control method thereof - Google Patents
Automatic welding device and control method thereof Download PDFInfo
- Publication number
- CN105965127A CN105965127A CN201610187104.7A CN201610187104A CN105965127A CN 105965127 A CN105965127 A CN 105965127A CN 201610187104 A CN201610187104 A CN 201610187104A CN 105965127 A CN105965127 A CN 105965127A
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- Prior art keywords
- standard
- wire feed
- feed rate
- stem elongation
- deviation value
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
- B23K9/0953—Monitoring or automatic control of welding parameters using computing means
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Feedback Control In General (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention provides an automatic welding device and a control method thereof and belongs to the field of welding. The automatic welding device comprises a standard wire extension obtaining unit, a standard wire feeding speed obtaining unit, a deviation value computing unit, a compensation amount obtaining unit and an instruction wire feeding speed computing unit, wherein the standard wire extension obtaining unit is used for obtaining the standard wire extension according to materials, gas, the wire diameter and corresponding relationship; the standard wire feeding speed obtaining unit is used for obtaining the standard wire feeding speed according to the standard wire extension, preset current and corresponding relationship; the deviation value computing unit is used for computing the deviation value between the set wire extension and the standard wire extension according to the set wire extension; the compensation amount obtaining unit is used for obtaining the compensation amount according to the deviation value and the corresponding relationship; and the instruction wire feeding speed computing unit is used for computing the instruction wire feeding speed according to the standard wire feeding speed and the compensation amount. According to the automatic welding device and the control method thereof, the preset data size is small, and the proper wire feeding speed can be obtained accurately and rapidly.
Description
[technical field]
The present invention relates to welding technology field, particularly relate to a kind of automatic soldering device and controlling party thereof
Method.
[background technology]
Along with the development of solder technology, the automatization of welding is required more and more higher, occurs by people
The automatic soldering device such as robot and special plane.When using automatic soldering device to carry out weld job, welding wire is stretched
Going out the length of welding gun, i.e. stem elongation, general requirement is fixing.
According to different materials, gas, string diameter, the source of welding current of automatic soldering device can be deposited in advance
Store up some fixing stem elongation L.During welding, user selects suitable stem elongation to enter from these fixing stem elongation L
Row welding.
But, because the feelings of the combination of the material used in actual welding in recent years, gas, string diameter
Condition gets more and more.So the actually used stem elongation of user also gets more and more.The fixing stem elongation prestored
L can not fully meet the demand of user.
If the stem elongation not having user to need in the fixing stem elongation L prestored, then user
Can only first select a fixing stem elongation L relatively, the most manually adjust wire feed rate and carry out
Compensate, to realize preferable stem elongation.This method of adjustment is inaccurate, adjusts complexity, even if repeatedly adjusting,
Preferable stem elongation can not be realized.Further, after wire feed rate adjusts, need according to welded condition again
The parameters such as matching current voltage, actual welding output electric current is the most consistent with preset current.
[summary of the invention]
[technical problem]
It is contemplated that for the problems of the prior art, it is provided that a kind of automatic soldering device and control thereof
Method processed.
[solution]
The automatic soldering device that the present invention provides includes: standard stem elongation acquiring unit, and it is used for root
According to material, gas and the string diameter of user's input, and material set in advance, gas and string diameter are done with standard
First corresponding relation of elongation, obtains standard stem elongation；Standard wire feed rate acquiring unit, it is used for basis
Standard stem elongation, the preset current of user's input, and preset current set in advance and standard wire feed rate
The second corresponding relation, obtain standard wire feed rate；Difference computational unit partially, it is for inputting according to user
Setting stem elongation, calculate the deviation value set between stem elongation and standard stem elongation；Compensation dosage acquiring unit,
It is used for according to deviation value, and deviation value set in advance pass corresponding with the 3rd of the compensation dosage of wire feed rate the
System, obtains compensation dosage；And instruction wire feed rate computing unit, it is for according to standard wire feed rate and benefit
The amount of repaying, computations wire feed rate.
The present invention also provides for the control method of a kind of automatic soldering device, including: standard stem elongation obtains
Take step, according to material, gas and the string diameter of user's input, and material set in advance, gas and silk
Footpath and the first corresponding relation of standard stem elongation, obtain standard stem elongation；Standard wire feed rate obtaining step,
According to standard stem elongation, the preset current of user's input, and preset current set in advance and standard wire feed
Second corresponding relation of speed, obtains standard wire feed rate；Deviation value calculation procedure, according to user's input
Set stem elongation, calculate the deviation value set between stem elongation and standard stem elongation；Compensation dosage obtaining step,
According to deviation value, and the 3rd corresponding relation of the compensation dosage of deviation value set in advance and wire feed rate, obtain
Take compensation dosage；And instruction wire feed rate calculation procedure, according to standard wire feed rate and compensation dosage, calculating refers to
Make wire feed rate.
[invention beneficial effect]
By automatic soldering device and the control method thereof of the present invention, data volume set in advance is little,
And suitable wire feed rate can be obtained quickly and accurately, thus realize preferable stem elongation, avoid simultaneously
Repeated matching to current/voltage.
[accompanying drawing explanation]
Fig. 1 is the hardware structure diagram of the automatic soldering device of the present invention；
Fig. 2 is the structured flowchart of the automatic soldering device of the present invention；
Fig. 3 is the control method flow chart of the automatic soldering device of the present invention；
Fig. 4 is the first couple of the material of the automatic soldering device of the present invention, gas and string diameter and standard stem elongation
Schematic diagram should be related to；And
Fig. 5 is that the preset current of the automatic soldering device of the present invention is corresponding with the second of standard wire feed rate to close
It it is schematic diagram.
[detailed description of the invention]
The core concept of the present invention is, first preset in automatic soldering device material, gas and
String diameter and the second corresponding relation of the first corresponding relation of standard stem elongation, preset current and standard wire feed rate,
And the 3rd corresponding relation of deviation value and compensation dosage.Further according to material, gas and the string diameter of user's input,
Standard stem elongation is obtained by the first corresponding relation.The preset electricity inputted according to standard stem elongation and user subsequently
Stream, obtains standard wire feed rate by the second corresponding relation.Further according to the setting stem elongation of user's input, meter
Calculate the deviation value set between stem elongation and standard stem elongation.Then compensation dosage is obtained by the 3rd corresponding relation.
Finally according to standard wire feed rate and compensation dosage, calculate instruction wire feed rate.
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is illustrated.
Fig. 1 shows the hardware structure diagram of the automatic soldering device of the present invention, comprising: welding electricity
Source and wire feeder.The source of welding current includes: controller, and respectively with controller connect RAM and
FLASH.Alternatively, it is also possible to use the controller being built-in with RAM and ROM, outside so there is no need to
RAM and FLASH put.Above-mentioned hardware configuration belongs to prior art, is therefore not described in detail.
The present invention is mainly the improvement of the in house software program to automatic soldering device.As in figure 2 it is shown,
The automatic soldering device of the present invention includes: standard stem elongation acquiring unit, and it is for the material according to user's input
Matter, gas and string diameter, and material set in advance, gas and string diameter and standard stem elongation L0First
Corresponding relation R1, obtains standard stem elongation L0；Standard wire feed rate acquiring unit, it is for according to standard
Stem elongation L0, preset current Is of user's input, and preset current Is set in advance and standard wire feed
Speed v0The second corresponding relation R2, obtain standard wire feed rate v0；Difference computational unit partially, it is used for
According to the setting stem elongation Ls of user's input, calculate and set stem elongation Ls and standard stem elongation L0Between inclined
Difference △ L；Compensation dosage acquiring unit, it is used for according to deviation value △ L, and deviation value set in advance
The 3rd corresponding relation R3 of △ L and the compensation dosage △ v of wire feed rate, obtains compensation dosage △ v；And instruction
Wire feed rate computing unit, it is for according to standard wire feed rate v0With compensation dosage △ v, computations wire feed
Speed v.
As the example of controller, according to actual needs, existing general DSP core can be used
Sheet, MCU+DSP chip or MCU+PWM chip.Standard stem elongation acquiring unit, standard wire feed
Speed acquiring unit, inclined difference computational unit, compensation dosage acquiring unit and wire feed rate computing unit can lead to
Cross the program module of storage in controller operation FLASH or ROM to realize.First corresponding relation R1,
Second corresponding relation R2 and the 3rd corresponding relation R3 can be stored in the ROM of controller, it is also possible to
It is stored in external memorizer, it is also possible to be stored in high in the clouds etc..
The control method of the automatic soldering device of the present invention is described referring next to Fig. 3 to Fig. 5.As
Shown in Fig. 3, control method comprises the following steps:
Standard stem elongation obtaining step S1, material, gas and the string diameter inputted according to user, with
And material set in advance, gas and string diameter and standard stem elongation L0The first corresponding relation R1, obtain mark
Quasi-stem elongation L0。
In the present embodiment, first in automatic soldering device, material, gas are prestored by technical staff
Body and string diameter and standard stem elongation L0Mapping table.As shown in Figure 4, one group of material, gas and silk
The combination in footpath and a standard stem elongation L0Corresponding.During welding, user is on the panel of automatic soldering device
Input material, gas and string diameter, automatic soldering device obtains standard stem elongation L by mapping table0。
Such as, material, gas and the string diameter of user's input are respectively as follows: C1, Q1 and S1, then standard stem elongation is
L1。
Standard wire feed rate obtaining step S2.According to standard stem elongation L0, it is preset that user inputs
Electric current Is, and preset current Is set in advance and standard wire feed rate v0The second corresponding relation R2,
Acquisition standard wire feed rate v0。
In the present embodiment, first by technical staff in advance in automatic soldering device, for each mark
Quasi-stem elongation L0, store preset current Is and standard wire feed rate v0Mapping table.Such as Fig. 5
Shown in, with standard stem elongation L0In case of=L1, each standard stem elongation L0With multiple preset current
Is is corresponding, each preset current Is and standard wire feed rate v0Corresponding.
During welding, user first inputs preset current Is, and automatic soldering device is according in step sl
The standard stem elongation L obtained0, and preset current Is of user's input, from mapping table, obtain mark
Quasi-wire feed rate v0.Such as, for standard stem elongation L0The situation of=L1, if user's input is preset
Electric current Is=I2, then standard wire feed rate v0=v2.
Deviation value calculation procedure S3, according to the setting stem elongation Ls of user's input, calculates to set and does
Elongation Ls and standard stem elongation L0Between deviation value △ L.In the present embodiment, deviation value △ L=L0-Ls。
Compensation dosage obtaining step S4, according to deviation value △ L, and deviation value △ L set in advance
With the 3rd corresponding relation R3 of the compensation dosage △ v of wire feed rate, obtain compensation dosage △ v.In the present embodiment,
3rd corresponding relation R3 is the formula being stored in advance in automatic soldering device, as shown in Equation 1.
[formula 1] △ v=F (△ L)
The deviation value △ L obtained in step s3 is substituted into formula 1, it is possible to the amount of being compensated △ v.
3rd corresponding relation R3 can obtain by repeatedly testing.In the present embodiment, permissible
First pass through and repeatedly test, obtain the multiple compensation dosage △ vs the most corresponding from different deviation value △ L, then intend
Close the relation curve of value △ L and the compensation dosage △ v that deviates, finally obtain deviation value △ L and compensation dosage △ v
The formula of corresponding relation.Preferably, in the 3rd corresponding relation R3, compensation dosage △ v is along with deviation value △ L
Increase and increase.
Instruction wire feed rate calculation procedure S5, according to standard wire feed rate v0With compensation dosage △ v, meter
Calculate instruction wire feed rate v.In the present embodiment, instruction wire feed rate v=v0+△v。
Pass through said method, it is possible to obtain suitable wire feed rate quickly and accurately.Need not use
Family manually adjusts.Further, the data volume prestored is little.For one group of material, gas and string diameter, only
Need to store a standard stem elongation L0, and corresponding one group of preset current Is and one group of standard send
Silk speed v0.Substantially reduce the data volume prestored.
Afterwards, controller controls the angle of flow according to instruction wire feed rate v, thus exports wire feeding motor
Control signal, the rotating speed of wire feeding motor is controlled, thus reaches preferable stem elongation.Above-mentioned control
Method is same as the prior art, is therefore not described in detail.
Above, with reference to detailed or specific embodiment, describe the present invention, but this
Skilled person understands, can carry out various change on the premise of without departing from spirit and scope of the invention
And revise.
[industrial applicibility]
By automatic soldering device and the control method thereof of the present invention, the data volume prestored is little,
And suitable wire feed rate can be obtained quickly and accurately, realize preferable stem elongation.
Claims (4)
1. an automatic soldering device, including:
Standard stem elongation acquiring unit, it is for material, gas and the string diameter according to user's input, and in advance
Described material, gas and the string diameter first set and the first corresponding relation of standard stem elongation, obtain described standard
Stem elongation；
Standard wire feed rate acquiring unit, it is for according to described standard stem elongation, the preset electricity of user's input
Stream, and the second corresponding relation of described preset current set in advance and standard wire feed rate, obtain described
Standard wire feed rate；
Partially difference computational unit, it is for the setting stem elongation according to user's input, calculates that described setting is dry stretches
Deviation value between long and described standard stem elongation；
Compensation dosage acquiring unit, it is for according to described deviation value, and described deviation value set in advance with
3rd corresponding relation of the compensation dosage of wire feed rate, obtains described compensation dosage；And
Instruction wire feed rate computing unit, it is for according to described standard wire feed rate and described compensation dosage, meter
Calculate described instruction wire feed rate.
2. automatic soldering device as claimed in claim 1, it is characterised in that the described 3rd
In corresponding relation, described compensation dosage increases along with the increase of described deviation value.
3. a control method for automatic soldering device, including:
Standard stem elongation obtaining step, according to material, gas and the string diameter of user's input, and presets
The first corresponding relation of described material, gas and string diameter and standard stem elongation, obtain described standard stem elongation；
Standard wire feed rate obtaining step, according to described standard stem elongation, the preset current of user's input, with
And described preset current set in advance and the second corresponding relation of standard wire feed rate, obtain described standard and send
Silk speed；
Deviation value calculation procedure, according to the setting stem elongation of user's input, calculates described setting stem elongation and institute
State the deviation value between standard stem elongation；
Compensation dosage obtaining step, according to described deviation value, and described deviation value set in advance is fast with wire feed
3rd corresponding relation of the compensation dosage of degree, obtains described compensation dosage；And
Instruction wire feed rate calculation procedure, according to described standard wire feed rate and described compensation dosage, calculates described
Instruction wire feed rate.
4. the control method of automatic soldering device as claimed in claim 3, it is characterised in that
In described 3rd corresponding relation, described compensation dosage increases along with the increase of described deviation value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187104.7A CN105965127B (en) | 2016-03-29 | 2016-03-29 | A kind of automatic soldering device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187104.7A CN105965127B (en) | 2016-03-29 | 2016-03-29 | A kind of automatic soldering device and its control method |
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| Publication Number | Publication Date |
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| CN105965127A true CN105965127A (en) | 2016-09-28 |
| CN105965127B CN105965127B (en) | 2018-10-30 |
Family
ID=56989455
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610187104.7A Active CN105965127B (en) | 2016-03-29 | 2016-03-29 | A kind of automatic soldering device and its control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735732A (en) * | 2016-12-30 | 2017-05-31 | 唐山松下产业机器有限公司 | The energy control method and device of consumable electrode high-speed welding |
| CN112894078A (en) * | 2021-01-15 | 2021-06-04 | 唐山松下产业机器有限公司 | Pulse welding control method and system |
| CN114871620A (en) * | 2022-05-25 | 2022-08-09 | 西南交通大学 | Thick plate welding quality monitoring and control system and welding method thereof |
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| JPS542241A (en) * | 1977-06-08 | 1979-01-09 | Tomoegumi Iron Works | Automatic welding in vertical position |
| JPS5884678A (en) * | 1981-11-14 | 1983-05-20 | Shinko Electric Co Ltd | Automatic controlling method for welding wire extension |
| JPS6340674A (en) * | 1986-08-04 | 1988-02-22 | Mitsubishi Electric Corp | Consumable electrode type pulse arc welding machine |
| US4816639A (en) * | 1987-07-20 | 1989-03-28 | Nkk Corporation | Automatic arc-welding method |
| CN104907746A (en) * | 2015-06-11 | 2015-09-16 | 唐山松下产业机器有限公司 | Robot welding system and welding quality detecting method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS542241A (en) * | 1977-06-08 | 1979-01-09 | Tomoegumi Iron Works | Automatic welding in vertical position |
| JPS5884678A (en) * | 1981-11-14 | 1983-05-20 | Shinko Electric Co Ltd | Automatic controlling method for welding wire extension |
| JPS6340674A (en) * | 1986-08-04 | 1988-02-22 | Mitsubishi Electric Corp | Consumable electrode type pulse arc welding machine |
| US4816639A (en) * | 1987-07-20 | 1989-03-28 | Nkk Corporation | Automatic arc-welding method |
| CN104907746A (en) * | 2015-06-11 | 2015-09-16 | 唐山松下产业机器有限公司 | Robot welding system and welding quality detecting method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735732A (en) * | 2016-12-30 | 2017-05-31 | 唐山松下产业机器有限公司 | The energy control method and device of consumable electrode high-speed welding |
| CN112894078A (en) * | 2021-01-15 | 2021-06-04 | 唐山松下产业机器有限公司 | Pulse welding control method and system |
| CN112894078B (en) * | 2021-01-15 | 2022-04-05 | 唐山松下产业机器有限公司 | Pulse welding control method and system |
| CN114871620A (en) * | 2022-05-25 | 2022-08-09 | 西南交通大学 | Thick plate welding quality monitoring and control system and welding method thereof |
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| Publication number | Publication date |
|---|---|
| CN105965127B (en) | 2018-10-30 |
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