CN105965127B - A kind of automatic soldering device and its control method - Google Patents
A kind of automatic soldering device and its control method Download PDFInfo
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- CN105965127B CN105965127B CN201610187104.7A CN201610187104A CN105965127B CN 105965127 B CN105965127 B CN 105965127B CN 201610187104 A CN201610187104 A CN 201610187104A CN 105965127 B CN105965127 B CN 105965127B
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- standard
- wire feed
- stem elongation
- feed rate
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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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- Manufacturing Of Electrical Connectors (AREA)
- Feedback Control In General (AREA)
Abstract
A kind of automatic soldering device of present invention offer and its control method, belong to welding field.The automatic soldering device includes：Standard stem elongation acquiring unit is used to, according to material, gas and string diameter and correspondence, obtain standard stem elongation；Standard wire feed rate acquiring unit is used to, according to standard stem elongation, preset current and correspondence, obtain standard wire feed rate；Deviation computing unit is used to, according to setting stem elongation, calculate the deviation between setting stem elongation and standard stem elongation；Compensation rate acquiring unit is used to, according to deviation and correspondence, obtain compensation rate；Wire feed rate computing unit is instructed, is used for according to standard wire feed rate and compensation rate, computations wire feed rate.Automatic soldering device through the invention and its control method, preset data volume is small, and can quickly and accurately obtain suitable wire feed rate.
Description
[technical field]
The present invention relates to welding technology field more particularly to a kind of automatic soldering device and its control methods.
[background technology]
With the development of welding technique, people require the automation of welding also higher and higher, robot and specially occur
The automatic soldering devices such as machine.When carrying out weld job using automatic soldering device, welding wire stretches out the length of welding gun, that is, stem elongation,
It is general to require to be fixed.
According to different materials, gas, string diameter, the source of welding current of automatic soldering device can prestore some and fix dry stretch
Long L.User selects suitable stem elongation to weld from these fixation stem elongations L when welding.
But because the case where combination of the material used in actual welding in recent years, gas, string diameter it is more and more.Institute
It is also more and more with the stem elongation that user actually uses.Pre-stored fixed stem elongation L cannot fully meet the demand of user.
If there is no the stem elongation that user needs, user that can only first select one in pre-stored fixed stem elongation L
Then fixation stem elongation L relatively manually adjusts wire feed rate to compensate, to realize ideal stem elongation again.
This method of adjustment is inaccurate, and adjustment is complicated, even if repeatedly adjustment, can not realize ideal stem elongation.Also, when wire feed speed
After degree adjustment, need according to the welded condition again parameters such as matching current voltage, actual welding output current and preset current
It is not necessarily consistent.
[invention content]
[technical problem]
The present invention is directed to be directed to the problems of the prior art, a kind of automatic soldering device and its control method are provided.
[solution]
Automatic soldering device provided by the invention includes：Standard stem elongation acquiring unit, is used for according to input by user
First correspondence of material, gas and string diameter and preset material, gas and string diameter and standard stem elongation obtains
Standard stem elongation；Standard wire feed rate acquiring unit is used for according to standard stem elongation, preset current input by user, and
Second correspondence of preset preset current and standard wire feed rate obtains standard wire feed rate；Deviation calculates single
Member is used to, according to setting stem elongation input by user, calculate the deviation between setting stem elongation and standard stem elongation；Compensation
Acquiring unit is measured, is used for corresponding with the third of the compensation rate of wire feed rate according to deviation and preset deviation
Relationship obtains compensation rate；And instruction wire feed rate computing unit, it is used to, according to standard wire feed rate and compensation rate, calculate
Instruct wire feed rate.
The present invention also provides a kind of control methods of automatic soldering device, including：Standard stem elongation obtaining step, according to
Material, gas and string diameter and the preset material of family input, the first corresponding pass of gas and string diameter and standard stem elongation
System obtains standard stem elongation；Standard wire feed rate obtaining step, according to standard stem elongation, preset current input by user, and
Second correspondence of preset preset current and standard wire feed rate obtains standard wire feed rate；Deviation calculates step
Suddenly, according to setting stem elongation input by user, the deviation between setting stem elongation and standard stem elongation is calculated；Compensation rate obtains
Step obtains compensation according to the third correspondence of deviation and the compensation rate of preset deviation and wire feed rate
Amount；And instruction wire feed rate calculates step, according to standard wire feed rate and compensation rate, computations wire feed rate.
[invention advantageous effect]
Automatic soldering device through the invention and its control method, preset data volume is small, and can be accurate
Suitable wire feed rate is rapidly obtained, to realize ideal stem elongation, while avoiding the repeated matching to Current Voltage.
[description of the drawings]
Fig. 1 is the hardware structure diagram of the automatic soldering device of the present invention；
Fig. 2 is the structure diagram 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 correspondence of material, gas and the string diameter and standard stem elongation of the automatic soldering device of the present invention
Schematic diagram；And
Fig. 5 is that the preset current of the automatic soldering device of the present invention is illustrated with the second correspondence of standard wire feed rate
Figure.
[specific implementation mode]
Core of the invention thought is that elder generation presets material, gas and string diameter in automatic soldering device and standard is dry
First correspondence of elongation, the second correspondence and deviation of preset current and standard wire feed rate and compensation rate
Third correspondence.Further according to material input by user, gas and string diameter, standard stem elongation is obtained by the first correspondence.
Then according to standard stem elongation and preset current input by user, standard wire feed rate is obtained by the second correspondence.Root again
According to setting stem elongation input by user, the deviation between setting stem elongation and standard stem elongation is calculated.Then pass through third pair
Answer Relation acquisition compensation rate.Finally according to standard wire feed rate and compensation rate, instruction wire feed rate is calculated.
Description of specific embodiments of the present invention below in conjunction with the accompanying drawings.
Fig. 1 shows the hardware structure diagram of the automatic soldering device of the present invention comprising：The source of welding current and wire feeder.
The source of welding current includes：Controller, and the RAM and FLASH that are connected respectively with controller.It is built-in with RAM alternatively, it is also possible to use
With the controller of ROM, so there is no need to external RAM and FLASH.Above-mentioned hardware configuration belongs to the prior art, therefore
It is not described in detail.
The present invention is mainly the improvement to the in house software program of automatic soldering device.As shown in Fig. 2, the present invention's is automatic
Welder includes：Standard stem elongation acquiring unit, is used for according to material input by user, gas and string diameter, and in advance
Material, gas and the string diameter and standard stem elongation L of setting0The first correspondence R1, obtain standard stem elongation L0；Standard wire feed
Speed acquiring unit is used for according to standard stem elongation L0, preset current Is input by user and preset preset electricity
Flow Is and standard wire feed rate v0The second correspondence R2, obtain standard wire feed rate v0；Deviation computing unit, is used for
According to setting stem elongation Ls input by user, setting stem elongation Ls and standard stem elongation L is calculated0Between deviation △ L；Compensation
Acquiring unit is measured, is used for according to the deviation △ L's and preset deviation △ L and compensation rate △ v of wire feed rate
Third correspondence R3 obtains compensation rate △ v；And instruction wire feed rate computing unit, it is used for according to standard wire feed rate
v0With compensation rate △ v, computations wire feed rate v.
As the example of controller, according to actual needs, may be used existing general dsp chip, MCU+DSP chips or
Person's MCU+PWM chips.Standard stem elongation acquiring unit, standard wire feed rate acquiring unit, deviation computing unit, compensation rate obtain
Take unit and wire feed rate computing unit that can run the program module stored in FLASH or ROM by controller to realize.
First correspondence R1, the second correspondence R2 and third correspondence R3 can be stored in the ROM of controller, can also be deposited
Storage can also store beyond the clouds etc. in external memory.
Referring next to the control method of the automatic soldering device of Fig. 3 to Fig. 5 description present invention.As shown in figure 3, controlling party
Method includes the following steps：
Standard stem elongation obtaining step S1, according to material input by user, gas and string diameter and preset material
Matter, gas and string diameter and standard stem elongation L0The first correspondence R1, obtain standard stem elongation L0。
In the present embodiment, material, gas and string diameter and mark are first prestored in automatic soldering device by technical staff
Quasi- stem elongation L0Mapping table.As shown in figure 4, the combination of one group of material, gas and string diameter and a standard stem elongation L0It is right
It answers.When welding, user inputs material, gas and string diameter on the panel of automatic soldering device, and automatic soldering device passes through correspondence
Relation table obtains standard stem elongation L0.For example, material input by user, gas and string diameter are respectively：C1, Q1 and S1, then standard
Stem elongation is L1.
Standard wire feed rate obtaining step S2.According to standard stem elongation L0, preset current Is input by user, and in advance
The preset current Is and standard wire feed rate v of setting0The second correspondence R2, obtain standard wire feed rate v0。
In the present embodiment, first by technical staff in advance in automatic soldering device, for each standard stem elongation L0, deposit
Storage one preset current Is and standard wire feed rate v0Mapping table.As shown in figure 5, with standard stem elongation L0The feelings of=L1
For condition, each standard stem elongation L0It is corresponding with multiple preset current Is, each preset current Is and a standard wire feed rate v0
It is corresponding.
When welding, user first inputs preset current Is, and automatic soldering device is stretched according to the standard obtained in step sl is dry
Long L0And preset current Is input by user, standard wire feed rate v is obtained from mapping table0.For example, dry for standard
Extend L0The case where=L1, if preset current Is=I2 input by user, standard wire feed rate v0=v2.
Deviation calculates step S3, and according to setting stem elongation Ls input by user, it is dry with standard to calculate setting stem elongation Ls
Extend L0Between deviation △ L.In the present embodiment, deviation △ L=L0-Ls。
Compensation rate obtaining step S4, according to the benefit of deviation △ L and preset deviation △ L and wire feed rate
The third correspondence R3 of the amount of repaying △ v obtains compensation rate △ v.In the present embodiment, third correspondence R3 is to be stored in advance in
Formula in automatic soldering device, as shown in Equation 1.
[formula 1] △ v=F (△ L)
The deviation △ L obtained in step s3 are substituted into formula 1, so that it may with the amount of being compensated △ v.
Third correspondence R3 can be obtained by testing repeatedly.In the present embodiment, it can first pass through and test repeatedly,
Multiple compensation rate △ vs corresponding from different deviation △ L are obtained, then fit the pass of deviation △ L and compensation rate △ v
It is curve, finally obtains the formula of deviation △ L and compensation rate △ v correspondences.Preferably, it in third correspondence R3, mends
The amount of repaying △ v increase with the increase of deviation △ L.
Wire feed rate is instructed to calculate step S5, according to standard wire feed rate v0With compensation rate △ v, computations wire feed rate
v.In the present embodiment, instruction wire feed rate v=v0+△v。
Pass through the above method, so that it may quickly and accurately to obtain suitable wire feed rate.User is not needed manually to adjust.
Also, pre-stored data volume is small.For one group of material, gas and string diameter, it is only necessary to store a standard stem elongation L0, with
And corresponding one group of preset current Is and one group of standard wire feed rate v0.Substantially reduce pre-stored data volume.
Later, controller controls the angle of flow according to instruction wire feed rate v, right to export the control signal of wire feeding motor
The rotating speed of wire feeding motor is controlled, to reach ideal stem elongation.Above-mentioned control method is same as the prior art, therefore not
It is described in detail again.
More than, with reference to detailed or specific embodiment, the present invention is described, but those skilled in the art manage
Solution, can make various changes and correct under the premise of not departing from spirit and scope of the invention.
[industrial applicibility]
Automatic soldering device through the invention and its control method, pre-stored data volume is small, and can be accurate
Suitable wire feed rate is rapidly obtained, to realize ideal stem elongation.
Claims (4)
1. a kind of automatic soldering device, including：
Standard stem elongation acquiring unit is used for according to material input by user, gas and string diameter and preset described
First correspondence of material, gas and string diameter and standard stem elongation obtains the standard stem elongation；
Standard wire feed rate acquiring unit is used for according to the standard stem elongation, preset current input by user, and in advance
Second correspondence of the preset current and standard wire feed rate of setting, obtains the standard wire feed rate；
Deviation computing unit is used to, according to setting stem elongation input by user, calculate the setting stem elongation and the mark
Deviation between quasi- stem elongation；
Compensation rate acquiring unit is used for according to the deviation and the preset deviation and wire feed rate
The third correspondence of compensation rate, obtains the compensation rate；And
Wire feed rate computing unit is instructed, is used to, according to the standard wire feed rate and the compensation rate, calculate described instruction
Wire feed rate.
2. automatic soldering device as described in claim 1, which is characterized in that in the third correspondence, the compensation rate
Increase with the increase of the deviation.
3. a kind of control method of automatic soldering device, including：
Standard stem elongation obtaining step, according to material input by user, gas and string diameter and the preset material,
First correspondence of gas and string diameter and standard stem elongation obtains the standard stem elongation；
Standard wire feed rate obtaining step, according to the standard stem elongation, preset current input by user and preset
Second correspondence of the preset current and standard wire feed rate obtains the standard wire feed rate；
Deviation calculates step, according to setting stem elongation input by user, calculates the setting stem elongation and the standard is dry stretches
Deviation between length；
Compensation rate obtaining step, according to the deviation and the compensation rate of the preset deviation and wire feed rate
Third correspondence, obtain the compensation rate；And
It instructs wire feed rate to calculate step, according to the standard wire feed rate and the compensation rate, calculates described instruction wire feed speed
Degree.
4. the control method of automatic soldering device as claimed in claim 3, which is characterized in that in the third correspondence,
The compensation rate increases with the increase of the deviation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610187104.7A CN105965127B (en) | 2016-03-29 | 2016-03-29 | A kind of automatic soldering device and its control method |
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| CN201610187104.7A CN105965127B (en) | 2016-03-29 | 2016-03-29 | A kind of automatic soldering device and its control method |
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| CN105965127B true CN105965127B (en) | 2018-10-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106735732B (en) * | 2016-12-30 | 2018-05-08 | 唐山松下产业机器有限公司 | The energy control method and device of consumable electrode high-speed welding |
| 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 |
| CN114871620B (en) * | 2022-05-25 | 2023-04-07 | 西南交通大学 | Thick plate welding quality monitoring and control system and welding method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| JPS6422467A (en) * | 1987-07-20 | 1989-01-25 | Nippon Kokan Kk | 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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