CN102315846A - Method for judging missing points by using welding spot counter - Google Patents
Method for judging missing points by using welding spot counter Download PDFInfo
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- CN102315846A CN102315846A CN201110101515A CN201110101515A CN102315846A CN 102315846 A CN102315846 A CN 102315846A CN 201110101515 A CN201110101515 A CN 201110101515A CN 201110101515 A CN201110101515 A CN 201110101515A CN 102315846 A CN102315846 A CN 102315846A
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- counted
- leak source
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- 238000003466 welding Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910000679 solder Inorganic materials 0.000 claims description 36
- 238000005476 soldering Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The invention provides a method for judging missing points by using a welding spot counter, comprising the following steps of; determining the number of welding spots of technological requirement; acquiring a welding signal and counting the number of actual welding spots by the counter; when welding of welding spots is manually confirmed to be finished, enabling the counter to step counting, and comparing the number of the actual welding spots, obtained through counting, with the number of welding spots of technological requirement; and if the number of the actual welding spots is not equal to the number of welding spots of the technological requirement, judging that spots are missed by using the counter.
Description
Technical field
The present invention relates to the solder joint decision technology in the welding procedure, specifically is a kind of leak source decision method that is used for the solder joint counter.
Background technology
The solder joint counter adopts following operation principle to carry out work usually: during the soldering turret welding, and start pulse signal, welding is accomplished, and counter judges whether leak source again through to the collection of number of signals and the contrast of solder joint number.The general work flow process of widely used solder joint counter is: confirm that at first technology welding counts; After welding operation is accomplished; The solder joint counter is made judgement automatically at certain timing node; Counter is counted actual welding and is compared with technology welding requirements number of welds, as leak source then welding machine control soldering turret quit work and report to the police; Otherwise can carry out the next round welding operation.We are called such counter " time is judged the solder joint counter ".The solder joint counter that is above-mentioned workflow mode that our company promotes the use of at present.
This solder joint counter of whether accomplishing according to time affirmation judgement welding has bigger advantage, and wherein personnel limit and arbitrarily interrupt operation in operating process if having time, so normalizing operation is had certain effect.This judges time parameter T
JudgeThe claimed range of selecting is: weld used maximum duration value T from single-point
Single-pointBe worth T to this welding last point to next blanking time of welding at first
Get piece installing(get, piece installing time), i.e. T
Single-point＜T
Judge＜T
Get piece installingBut because body dimensions precision and technological requirement, the part station exists secondary piece installing welding or the welding of frequent change soldering turret, and problems such as frock, plant issue or supplied materials defective also take place in the operating process often, causes single-point welding time T
Single-point＞T
Get piece installingIf judgement time T is set by force for the solder joint counter of these stations
Judge(because judgement time T
JudgeFor productive temp and technological requirement decision, generally can not adjust), the frequent warning of counter meeting, welding machine quit work in operating process, and it must cause to production line and stop the quality risk that solder joint was lost and leaked to line loss; Also can mislead operating personnel and think own leak source, thereby operating personnel are prone to the use of new equipment is produced resentment.
List of references 1: one Chinese patent application CN200810032744.6
Summary of the invention
The leak source decision method that the purpose of this invention is to provide a kind of solder joint counter is provided with judgement time T by force with the solder joint counter that solves because of station
Judge, cause in the operating process of solder joint counter frequently report to the police, the out-of-work problem of welding machine.
The leak source decision method of solder joint counter provided by the present invention may further comprise the steps: confirm that technological requirement welding counts; Counter is gathered welding signal and is counted so that actual welding is counted; When confirm accomplishing the solder joint welding manually, counter stops counting, and the actual welding that counting draws counted to count with the technology welding compares; If actual welding is counted and technology welding is counted unequally, then counter is judged leak source.
Wherein, confirming manually to accomplish the solder joint welding, specifically is through connecting welding bat-handle switch signal or connecting the clamp switch signal.
Preferably, counter makes welding machine or anchor clamps quit work and report to the police when judging leak source.Simultaneously, counter can also be reaffirmed solder joint.
If counting to count with technology welding, actual welding equates that then counter is judged does not have leak source, and can carry out zero clearing to count value.At this moment, the counter collection that can carry out next welding signal is with counting again.
Adopt the counter of above-mentioned self test mode; Can not meet the demands and can not use because of the judgement time; And some accidents in the operating process do not influence the counter use yet; Operating personnel carry out self check initiatively maybe must for the solder joint counter signals, guarantee number of welds, also are a kind of practical modes.Make operating personnel have greater flexibility, improved operating efficiency.
Description of drawings
Fig. 1 is the schematic block diagram when welding the bat-handle switch signal according to connecting manually of first embodiment of the invention;
Fig. 2 be according to second embodiment of the invention connect the clamp switch signal manually the time sketch map.
Embodiment
For the solder joint counter that solves because of station is provided with judgement time T by force
JudgeCause in the operating process of solder joint counter frequently report to the police, the out-of-work problem of welding machine; Through being accomplished decision procedure, welding thinks deeply; Can take operating personnel's self test mode manually to give the solder joint counter decision signal that a welding is accomplished from the outside, the solder joint counter is made and is judged contrast.If leak source, then counter is reported to the police, and the while welding machine quits work or frock clamp is not worked.Otherwise,, then can carry out the next round welding operation if there is not leak source.That is: the welding signal acquisition mode is constant, and welding is accomplished judgement and changed, and adopts operating personnel's self test mode to touch the relevant device device and judges, avoids the unnecessary line that stops.
Through concrete preferred embodiment the present invention is described below.Should be appreciated that embodiment only is used for explaining better and easy to understand the present invention, rather than in order to limit scope of the present invention.
As shown in Figure 1, at first the technology welding that requires is counted and confirm (S1), and determined counting deposited in the included memory of counter.In welding process, welding cable can produce very big electric current.The generation of this electric current of current sensor senses is to export a sensor signal to signal acquisition circuit.This sensor signal is converted into digital signal and sends into counter in signal acquisition circuit, thereby counter obtains actual welding count (S2) through this digital signal is counted as welding signal.With existing solder joint counter judgement time is set by force and judges whether that leak source is different, in the present embodiment, counter is not provided with a judgement time, confirm that solder joint welding accomplishes but manually provide a signal to counter through operating personnel.In Fig. 1, this affirmation is connected welding bat-handle switch signal through welding personnel and is realized (S3).
In case counter receives the above-mentioned signal of confirming that the solder joint welding is accomplished, just stops counting, and will add up that resulting actual welding is counted and the technology welding that requires is counted compares, judge whether to exist leak source (S4).Count less than technology welding if actual welding is counted, then counter is judged and is had leak source (" being " among the S4), makes welding machine quit work (S5) this moment.Operating personnel check affirmation (S6) to the solder joint of welding.After this, the process of repeating step S2 to S4 once more, judging up to counter does not have leak source (" denying " among the S4).So the collection (S8) of the welding signal of next round is carried out in counter records zero clearing (S7) with preparation.
By the way; Carry out leak source and judge owing to forcibly limit a judgement time for counter, therefore can avoid counter because the judgement time does not meet the demands or operating process in some accidents and cause out of use problem.
One embodiment of the present of invention have been described above.Fig. 2 shows an alternative embodiment of the invention, and wherein identical with Fig. 1 step is represented with same reference numbers, and the descriptions thereof are omitted at this.
Second embodiment shown in Figure 2 and first embodiment shown in Figure 1 are basic identical, and the object that difference is to connect manually is different, are here to confirm to accomplish solder joint welding (S3 ') through connecting the clamp switch signal.There is leak source (" being " among the S4) if counter is judged, then drive signal is not provided the electromagnetically operated valve of anchor clamps, so anchor clamps be failure to actuate (S5 ').And if judge and not have leak source (" deny " among the S4), then counter records zero clearing, electromagnetically operated valve reception signal, anchor clamps are opened (S7 ').
Through above two kinds of modes manually, confirm to accomplish the solder joint welding, effectively avoided because of judgement time T is set by force
Judge, cause in the operating process of solder joint counter frequently report to the police, the out-of-work problem of welding machine, make operating personnel have greater flexibility, help the raising of operating efficiency.
Though describe the present invention in detail through specific embodiment, yet scope of the present invention is not limited to this, those skilled in the art can also make various variants and modifications in the scope that purport of the present invention and spirit cover.For example, in an embodiment of the present invention, the mode that welding is confirmed to the completion solder joint is to realize through the switch of connecting welding machine or anchor clamps.Yet the invention is not restricted to this, can also adopt other suitable mode to come confirmation signal to be provided to counter.Scope of the present invention is limited accompanying claims.
Claims (6)
1. solder joint counter leak source decision method comprises step:
Confirm that technology welding counts;
Counter is gathered welding signal and is counted so that actual welding is counted;
When confirm accomplishing the solder joint welding manually, counter stops counting, and the actual welding that counting draws counted to count with the technology welding compares;
If actual welding is counted and technology welding is counted unequally, then counter is judged leak source.
2. method according to claim 1 wherein confirms to accomplish the solder joint welding manually through connecting the bat-handle switch signal or realizing through connecting the clamp switch signal.
3. according to each described method in the claim 1 to 2, wherein counter makes welding machine or anchor clamps quit work and report to the police when judging leak source.
4. method according to claim 3, wherein counter is reaffirmed solder joint after welding machine or anchor clamps quit work.
5. according to each described method in the claim 1 to 2, also comprise step:
If counting to count with technology welding, actual welding equates that then counter is judged does not have leak source, and count value is carried out zero clearing.
6. method according to claim 5 also comprises step:
Counter carries out the collection of next welding signal to count again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110101515.7A CN102315846B (en) | 2011-04-19 | 2011-04-19 | Method for judging missing points by using welding spot counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110101515.7A CN102315846B (en) | 2011-04-19 | 2011-04-19 | Method for judging missing points by using welding spot counter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102315846A true CN102315846A (en) | 2012-01-11 |
| CN102315846B CN102315846B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110101515.7A Active CN102315846B (en) | 2011-04-19 | 2011-04-19 | Method for judging missing points by using welding spot counter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077421A (en) * | 2012-10-22 | 2013-05-01 | 奇瑞汽车股份有限公司 | Stud welding counter |
| CN104708185A (en) * | 2015-03-05 | 2015-06-17 | 奇瑞汽车股份有限公司 | Stud welding machine system |
| CN112008219A (en) * | 2020-08-17 | 2020-12-01 | 奇瑞汽车股份有限公司 | Detection method for counting resistance spot welding |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6698652B1 (en) * | 1998-05-28 | 2004-03-02 | Infineon Technologies Ag | Method and arrangement for operating a multistage counter in one counting direction |
| CN2933684Y (en) * | 2006-07-29 | 2007-08-15 | 奇瑞汽车有限公司 | Stud welding machine |
| CN201210244Y (en) * | 2008-06-26 | 2009-03-18 | 天津七所高科技有限公司 | Welding point counting controller for welding machine |
| CN201333587Y (en) * | 2009-01-07 | 2009-10-28 | 富奥汽车零部件股份有限公司 | Solder skip prevention electric control device for welding machine |
-
2011
- 2011-04-19 CN CN201110101515.7A patent/CN102315846B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6698652B1 (en) * | 1998-05-28 | 2004-03-02 | Infineon Technologies Ag | Method and arrangement for operating a multistage counter in one counting direction |
| CN2933684Y (en) * | 2006-07-29 | 2007-08-15 | 奇瑞汽车有限公司 | Stud welding machine |
| CN201210244Y (en) * | 2008-06-26 | 2009-03-18 | 天津七所高科技有限公司 | Welding point counting controller for welding machine |
| CN201333587Y (en) * | 2009-01-07 | 2009-10-28 | 富奥汽车零部件股份有限公司 | Solder skip prevention electric control device for welding machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077421A (en) * | 2012-10-22 | 2013-05-01 | 奇瑞汽车股份有限公司 | Stud welding counter |
| CN104708185A (en) * | 2015-03-05 | 2015-06-17 | 奇瑞汽车股份有限公司 | Stud welding machine system |
| CN112008219A (en) * | 2020-08-17 | 2020-12-01 | 奇瑞汽车股份有限公司 | Detection method for counting resistance spot welding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102315846B (en) | 2014-07-02 |
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