CN1758845A - Mounting devcie, its mounting loading correcting method and absorbtion nozzle checking method - Google Patents
Mounting devcie, its mounting loading correcting method and absorbtion nozzle checking method Download PDFInfo
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- CN1758845A CN1758845A CN 200510108270 CN200510108270A CN1758845A CN 1758845 A CN1758845 A CN 1758845A CN 200510108270 CN200510108270 CN 200510108270 CN 200510108270 A CN200510108270 A CN 200510108270A CN 1758845 A CN1758845 A CN 1758845A
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- load
- adsorption mouth
- adsorption
- mouth
- erecting device
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Abstract
To improve loading accuracy upon mounting an electronic component on a substrate by a suction nozzle. The mounting device mounts the electronic component sucked and retained by the suction nozzle 10 mounted on a suction head moving into XY directions on the substrate fixed at a predetermined position. A load cell 28 for measuring a load when the suction nozzle 10 is descended into a Z direction within a range wherein a suction head is movable to make a suction terminal abut against the load is installed and nozzle operation same as that upon mounting is effected on a load cell to measure the load previously whereby the load set upon mounting is corrected.
Description
Technical field
The present invention relates to erecting device, its mounting loading correcting method and absorbtion nozzle checking method, particularly be applicable to erecting device, its mounting loading correcting method and the absorbtion nozzle checking method of the precision of the load control when raising is installed on the substrate to electronic unit.
Background technology
In general, when electronic unit being installed (loading) to circuit boards such as printed base plate the time, can be by being loaded in the adsorption mouth on the adsorption head that the XY in-plane moves in mode moving up and down, absorption is also picked up after the electronic unit that offers assigned position, this adsorption head is moved on the substrate on the platform to positioning and fixing, adsorption mouth is descended, by adsorption mouth the load (load is installed) that electronic unit applies regulation is installed (for example, with reference to patent documentation 1) during decline.
In this erecting device, as the adsorption mouth 10 that is loaded into adsorption head, used the adsorption mouth main body 12 that has among Fig. 5 schematically expression, can be in the slide section 14 of the slides within of this main body 12, in the absorption end 16 of its front end, be used for to adsorption mouth main body 12 with adsorb the adsorption mouth of giving the spring 18 (cross section is shown) of elastic force between the end 16.
Though this adsorption mouth 10 is relatively simple for structure, owing to serve as the coefficient of elasticity with spring that the load value that calculates in advance on the basis is set at target load is installed, so the load when having easily installation is controlled to the advantage of desired value.
Patent documentation 1: the spy opens the 2004-6605 communique
Yet when by the erecting device that has loaded above-mentioned adsorption mouth electronic unit being installed, according to the installation load that calculates, or slide section can't move smoothly because of not necessarily, so often load precision aspect when mounted has problems.
Summary of the invention
The present invention carries out in order to solve above-mentioned existing problem, so its purpose is to provide erecting device, its mounting loading correcting method and the absorbtion nozzle checking method that can improve the load precision when electronic unit by adsorption mouth absorption is installed to substrate.
The present invention has solved above-mentioned problem by following erecting device, this erecting device has in the regulation moving range of XY direction the adsorption head that moves and is loaded into adsorption mouth on this adsorption head in mode moving up and down, on one side reduce above-mentioned adsorption mouth and apply the load of regulation, the electronic unit that absorption is remained on the above-mentioned adsorption mouth is installed on the substrate on one side, and, in the above-mentioned mobile range of above-mentioned adsorption head, be provided with the load measurement unit that the load when making the contact of its absorption end for above-mentioned adsorption mouth is descended is measured.
The display unit that also can have in the present invention, the load that demonstration records by above-mentioned load measurement unit.
In addition, in the present invention, ideal situation is that above-mentioned load measurement unit is the force cell of the upper surface of base plate equal height when adjusting to measurement face in fact with installation.
In addition, the present invention is by on the above-mentioned load measurement unit in above-mentioned erecting device, the action identical when installing of load when carrying out in fact to(for) above-mentioned adsorption mouth is measured, calculate the deviation load according to this measurement load and the difference of calculated load, revise the load of setting when installing, solved above-mentioned problem equally.
In addition, the present invention is by on the above-mentioned load measurement unit in above-mentioned erecting device, above-mentioned adsorption mouth is descended, after the absorption end arrives measurement face, load during for further decline is measured, compare with fiducial value measuring load, judge the well still bad of this adsorption mouth, solved above-mentioned problem equally.
According to the present invention, in the scope of the transportable XY in-plane of adsorption head, be provided with the load measurement unit of the load below the measuring vertical.Therefore, actual measurement is loaded by when making adsorption mouth and installing move in the same manner on this measuring unit, can obtain the deviation load with the difference of calculated load according to measuring load, utilizes this deviation to load and revises the load of setting when installing.In addition, the load that measures in the time of can also contacting according to adsorption mouth detects and slides unusually, therefore can improve the load precision when installing.
Description of drawings
Fig. 1 is the schematic perspective view of major part of the erecting device of expression one embodiment of the present invention.
Fig. 2 schematically represents the force cell in the erecting device of present embodiment and the front view of the relation between adsorption mouth and the adsorption head.
Fig. 3 is the key diagram of summary of the load measurement action of expression force cell.
Fig. 4 is the curve chart at expression measured load measurement curve in the present embodiment.
Fig. 5 is a front view of schematically representing to be applicable to the adsorption mouth of present embodiment.
Embodiment
Below, with reference to drawing embodiments of the present invention are elaborated.
The major part of in Fig. 1, schematically representing electronic component mounting apparatus of the present invention.
The erecting device of present embodiment has: load a plurality of adsorption mouth 10 adsorption head 20, make the X driving guide rail 22 that this adsorption head 20 moves at directions X, the Y driving guide rail 24 that this adsorption head 20 and X driving guide rail 22 are moved to the Y direction integratedly.
In addition, for convenience's sake, the substrate of representing with double dot dash line transports portion 26 along the directions X setting, is arranged at its mounting platform (not expressing) midway so that can utilize this substrate delivery section 26 that substrate S is transported into, and transports after installing.
In the erecting device of present embodiment, also aforesaid substrate transport portion 26 near (at adsorption head 20 movably in the XY direction scope) be provided with force cell unit (load measurement unit) 28, it is for above-mentioned adsorption mouth 10 is descended and load when making 16 contacts of its absorption end is measured in the Z direction.
In Fig. 2, schematically amplify the relation between expression force cell unit 28 and adsorption mouth 10 and the adsorption head 20.The identical height of upper surface of base plate (not shown) when the load measurement face (upper surface) of this force cell unit 28 is adjusted in fact with the installation that is fixed on mounting platform.
The a plurality of adsorption mouth 10 that are loaded into above-mentioned adsorption head 20 are assembled in the leading section of the axle 30 that utilizes not shown motor and can move up and down respectively, make this adsorption head 20 after move the top of force cell unit 28, the axle 30 that is equipped with desired adsorption mouth 10 that makes as shown in the drawing descends.And, contact the load the during contact of measuring this adsorption mouth 10 with the measurement face of force cell unit 28 by making its absorption end 16.
At this moment, set decrease speed and pressing quantity (adsorbing the adsorption mouth slippage that start at from the elemental height that contacts with measurement face end 16) identical when installing, make adsorption mouth 10 action and measure load, thus, can survey out the impact load under the condition identical when installing with essence.
Usually, state in the use in the erecting device of adsorption mouth of kind shown in Figure 5, the load of setting during installation is at each adsorption head 10, according to the elastic force and the pressing quantity (mm) of spring 18, is set in the control device after being calculated by following formula.In addition, in the formula, adsorption mouth minimum load length is the eigenvalue of spring required during according to spring constant and pressing quantity calculated load.
Load (g)=spring constant (g/mm) * { adsorption mouth minimum load length (mm)+pressing quantity (mm) } ... (1)
In the present embodiment, because of above-mentioned force cell unit 28 is arranged on device inside, so can on this force cell unit 28, measure above-mentioned adsorption mouth 10 with the load during identical if action when installing in fact.And, calculate the deviation load by the difference of measuring the calculated load that load and above-mentioned (1) formula calculate by it, can utilize this deviation load to revise the load of setting when installing.
When specifically, the load when installing is measured absorption respectively on force cell (unit) 28 and the load in when loading.
That is, as schematically representing among Fig. 3, when when measuring absorption, loading, adsorption head is moved to force cell 28 tops, make adsorption mouth 10 be in the state shown in this figure (A).Then, the timing that identical Z axle (direction) decrease speed and vacuum are connected when adsorbing with parts is moved, the absorption end touches after the measurement face of force cell 28, makes axle (adsorption head) the pressing quantity Δ L used in the calculating of assumed load that descends shown in this figure (B).
Then, shown in this figure (C), vacuum is connected the directly identical Z axle rate of climb with absorption time of back, utilizes axle (adsorption head) to promote an adsorption mouth 10.
When having carried out the action of above Fig. 3 (A) to (C), the load curve of being measured by force cell 28 is for as shown in Figure 4, and measurement is loaded when wherein maximum is set at absorption.
In addition, when measure loading, during load, adsorption head is moved to force cell 28 tops, and disconnect regularly, contact with force cell 28 according to pressing quantity and make adsorption head decline afterwards with Z axle decrease speed and vacuum identical when loading.And, then, promote adsorption head with the Z axle rate of climb identical when loading, thus, can obtain the load curve identical with above-mentioned Fig. 4.And, measure load when the maximum in the load curve that records is set at loading on force cell 28.
As above-mentioned obtain according to when absorption and the deviation load that obtains of each the load measurement result when loading, calculate by the following formula of pushing load setting value (calculated value) of trying to achieve by above-mentioned (1) formula.
Deviation load (g)=push load setting value (g)-measurements result (g) that loads ... (2)
By carrying out the operation of above load measurement, can measure moving in the production and be applied to load on parts or the substrate by absorption/loading.Therefore, utilize its measurement result, the value of the deviation load of calculating by above-mentioned (2) formula, the load value by setting in the pressure-controlled during to absorption/loadings is revised, and thus, can improve the precision of loading and controlling.
In addition, in the erecting device of present embodiment, for convenience's sake, as recording and narrating in the lump in Fig. 3 (A), the measuring-signal of force cell 28 is input to control device (CPU) 32 after the A/D conversion.And, can be presented in real time on the monitor picture 34 as above-mentioned load curve shown in Figure 4, the operator also can detect the load maximum easily according to its picture, utilizes above-mentioned (2) formula to calculate.In addition, can also be saved in these load measurements result in the memory as producing resume.
Then, the adsorption mouth audit function that erecting device had to present embodiment describes.
In the present embodiment, above above-mentioned force cell unit 28, above-mentioned adsorption mouth 10 is descended, its absorption end 16 arrives after the measurement face, load when measuring further decline compares load that records and fiducial value, thereby can judge the well still bad of this adsorption mouth 10.
Specifically, in above-mentioned Fig. 2, assemble the axle 30 of adsorption mouth 10 and used motor driven, begun in the top of force cell (unit) 28 to descend, when this adsorption mouth 10 touches the measurement face of force cell 28, begun to measure load.At this moment,, slowly descend owing to impact the rapid change of the load that causes in order to control not cause the speed of impacting the sort of degree.
When the absorption end 16 of adsorption mouth 10 contacted with force cell 28, slide section 14 usefulness force cells 28 were pressed into adsorption mouth main body 12 inside, produce the bounce of rejecting of spring 18 simultaneously.
Therefore, measure the load of this moment with force cell 28.At this moment, the movable range whole district of pushing scope and adsorption mouth slide section 14 is the center with the first half that contacts initial side irrespectively.This be because in the movable range of sliding fast portion 14 latter half of because of the assembling of adsorption mouth etc. causes the dispersion of loading etc. bigger, and in fact slide block does not almost reach the latter half of cause of its movable range.
Like this, by measuring the load of adsorption mouth 10, judgement has no abnormal.The size of the benchmark load during judgement is by the spring constant of adsorption mouth and the rule of thumb decisions such as load of normal adsorption mouth, and the adsorption mouth that surpasses its load is judged as unusual adsorption mouth.
According to the present embodiment of above detailed description, not only can judge the normal still unusual of adsorption mouth in advance exactly, also because of setting suitable load when mounted, so can increase substantially the load precision when installing.
Claims (5)
1. erecting device, have in the regulation moving range of XY direction the adsorption head that moves and be loaded into adsorption mouth on this adsorption head in mode moving up and down, on one side reduce described adsorption mouth and apply the load of regulation, the electronic unit that absorption is remained on the described adsorption mouth is installed on the substrate on one side, it is characterized in that
In the described mobile range of described adsorption head, be provided with the load measurement unit that the load when making the contact of its absorption end for described adsorption mouth is descended is measured.
2. erecting device according to claim 1 is characterized in that,
Has the display unit that shows for the load that records by described load measurement unit.
3. erecting device according to claim 1 is characterized in that,
Described load measurement unit is the force cell of the upper surface of base plate equal height when adjusting to measurement face in fact with installation.
4. a loading correcting method is characterized in that,
The adsorption head that in the regulation moving range that has in the XY direction, moves and be loaded into adsorption mouth on this adsorption head in mode moving up and down, on one side reduce described adsorption mouth and apply the load of regulation, on one side absorption being remained on electronic unit on the described adsorption mouth is installed in the erecting device on the substrate
In the described mobile range of described adsorption head, be provided with the load measurement unit that the load when making the contact of its absorption end for described adsorption mouth is descended is measured,
On described load measurement unit, the load when carrying out in fact action identical when installing for described adsorption mouth is measured, and according to this difference calculation deviation load of measuring load and calculated load, revises the load of setting when installing.
5. an absorbtion nozzle checking method is characterized in that,
The adsorption head that in the regulation moving range that has in the XY direction, moves and be loaded into adsorption mouth on this adsorption head in mode moving up and down, on one side reduce described adsorption mouth and apply the load of regulation, on one side absorption being remained on electronic unit on the described adsorption mouth is installed in the erecting device on the substrate
In the described mobile range of described adsorption head, be provided with the load measurement unit that the load when making the contact of its absorption end for described adsorption mouth is descended is measured,
On described load measurement unit, described adsorption mouth is descended, after the absorption end arrived measurement face, the load during for further decline was measured, and compared with fiducial value measuring load, judged the well still bad of this adsorption mouth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004292958 | 2004-10-05 | ||
| JP2004292958A JP2006108384A (en) | 2004-10-05 | 2004-10-05 | Mounting device, its mounting load correcting method and nozzle inspecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1758845A true CN1758845A (en) | 2006-04-12 |
| CN100571500C CN100571500C (en) | 2009-12-16 |
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ID=36377749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101082705A Expired - Fee Related CN100571500C (en) | 2004-10-05 | 2005-10-08 | Erecting device and mounting loading correcting method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006108384A (en) |
| CN (1) | CN100571500C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636072A (en) * | 2008-07-24 | 2010-01-27 | Juki株式会社 | Mounting device of electronic components |
| CN103687469A (en) * | 2012-09-26 | 2014-03-26 | Juki株式会社 | Electronic component mounting apparatus |
| CN107835631A (en) * | 2016-09-16 | 2018-03-23 | 先进装配系统有限责任两合公司 | Detection device, system comprising assembly machine and method for detecting function of assembly machine |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5011993B2 (en) * | 2006-12-08 | 2012-08-29 | パナソニック株式会社 | Thermocompression head load measuring device and method |
| KR102135007B1 (en) * | 2012-10-30 | 2020-07-16 | 가부시키가이샤 후지 | Nozzle managing apparatus |
| US10292319B2 (en) | 2014-04-22 | 2019-05-14 | Fuji Corporation | Load measurement method and collection method |
| JP6182505B2 (en) * | 2014-05-15 | 2017-08-16 | 株式会社東海理化電機製作所 | Mounting load measuring device |
| JP6523347B2 (en) * | 2015-02-09 | 2019-05-29 | 株式会社Ｆｕｊｉ | Mounting device and mounting method |
| WO2018154761A1 (en) * | 2017-02-27 | 2018-08-30 | 株式会社Ｆｕｊｉ | Load measurement system |
| WO2019202655A1 (en) | 2018-04-17 | 2019-10-24 | 株式会社Ｆｕｊｉ | Mounting operation machine and confirmation method |
| DE102020103569B3 (en) | 2020-02-12 | 2021-07-22 | Asm Assembly Systems Gmbh & Co. Kg | Changing table, placement machine, force measuring unit and method for measuring a placement force |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2877055B2 (en) * | 1995-12-06 | 1999-03-31 | ソニーケミカル株式会社 | Thermocompression bonding equipment |
| JP3233053B2 (en) * | 1997-02-05 | 2001-11-26 | 松下電器産業株式会社 | Method for measuring height of nozzle of transfer head in electronic component mounting apparatus |
| JP2003332792A (en) * | 2002-05-14 | 2003-11-21 | Fuji Mach Mfg Co Ltd | Electronic circuit component mounting head |
| JP2004087937A (en) * | 2002-08-28 | 2004-03-18 | Seiko Epson Corp | Pressing apparatus, pressing method, pressure bonding method for electronic component, and manufacturing method of electro-optical device |
-
2004
- 2004-10-05 JP JP2004292958A patent/JP2006108384A/en active Pending
-
2005
- 2005-10-08 CN CNB2005101082705A patent/CN100571500C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636072A (en) * | 2008-07-24 | 2010-01-27 | Juki株式会社 | Mounting device of electronic components |
| CN101636072B (en) * | 2008-07-24 | 2014-02-26 | Juki株式会社 | Mounting device of electronic components |
| CN103687469A (en) * | 2012-09-26 | 2014-03-26 | Juki株式会社 | Electronic component mounting apparatus |
| CN103687469B (en) * | 2012-09-26 | 2017-12-29 | Juki株式会社 | Electronic component mounting apparatus |
| CN107835631A (en) * | 2016-09-16 | 2018-03-23 | 先进装配系统有限责任两合公司 | Detection device, system comprising assembly machine and method for detecting function of assembly machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100571500C (en) | 2009-12-16 |
| JP2006108384A (en) | 2006-04-20 |
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Granted publication date: 20091216 Termination date: 20101008 |