CN104144603A - Electronic component mounting apparatus and electronic component mounting method - Google Patents
Electronic component mounting apparatus and electronic component mounting method Download PDFInfo
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- CN104144603A CN104144603A CN201410111385.9A CN201410111385A CN104144603A CN 104144603 A CN104144603 A CN 104144603A CN 201410111385 A CN201410111385 A CN 201410111385A CN 104144603 A CN104144603 A CN 104144603A
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Abstract
An object of the present invention is to provide an electronic component mounting apparatus and an electronic component mounting method which can achieve both power saving of a tape feeder and accuracy of a stop position of a carrier tape. In the tape feeding process based on the tape feeder, the following operation mode is configured: as an operation mode for specifying an operation mode of a motor driving a tape feeding mechanism, the operation mode is stored with a normal mode and a power saving mode, the normal mode being a mode for executing a normal tape feeding operation and position holding based on an operation command from the electronic component mounting apparatus, the power saving mode being a mode to stop power supply to the motor when the command signal for driving the motor exceeds a predefined set time and is interrupted, and during execution of the power saving mode, the power saving mode is returned to the normal mode if a positional deviation of a rotational position of a sprocket wheel from a prescribed position exceeds a tolerance deviation that is defined in advance.
Description
Technical field
The present invention relates to take out electronic component and electronic element transferring is carried to electronic element installation device and the electronic component mounting method of substrate from tape feeder.
Background technology
Component supplying apparatus as in electronic element installation device, is used tape feeder more, and this tape feeder maintains the carrier band of electronic component by intermittent delivery, and supplies with electronic component to the element absorption position of the mounting head of component mounter structure.As the band conveying mechanism in tape feeder, use to utilize and take rotary drive mechanism drive sprocket that motor is drive source and carry out the structure of intermittent rotary, described sprocket wheel engages with the sprocket hole of being equidistantly located on carrier band.
In this structure, requirement for the reduction in response to power consumption, proposed to have the technical scheme of following function: based on the detailed setting member of production routine, supply with in advance the motion time table of action, to the battery saving mode cutting off the electric power supply of the motor of rotating band conveying mechanism etc., shift (for example, with reference to patent documentation 1) component feeding action being stopped to more than certain hour time period.Thus, can be suppressed at and not carry out that component feeding when action also continues to supply with electric power and the power consumption of power consumption bootlessly.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2008-098355 communique
But, in the situation that above-mentioned battery saving mode is applicable to have the tape feeder of the drive source of servomotor isopulse type of drive, produce following unfavorable condition.That is,, in tape feeder, in order to realize stable component feeding action, need to carry out spacing conveying and carry out position maintenance at correct stop position maintaining the carrier band of electronic component.This position keeps being undertaken by following process, that is, when peeling off heading tape from carrier band, resistant function is peeled off external force in the band of carrier band, by servo lock mechanism, the rotation of sprocket wheel is fixed.
But, when application is during battery saving mode, the electric power to motor is supplied with and cut off, therefore, can not to sprocket wheel, carry out position maintenance with respect to the external force that becomes the principal element of the stop position of upsetting carrier band when heading tape is peeled off etc.Like this, there is in the prior art following problem: if realize the stop position precision that power saving just can not guarantee carrier band, be difficult to guarantee stable component feeding.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of electronic element installation device and electronic component mounting method, it can take into account the assurance of the power saving of tape feeder and the stop position precision of carrier band.
Electronic element installation device of the present invention takes out electronic component and electronic element transferring is carried to substrate from being installed on the tape feeder of component feeding portion, wherein, described tape feeder possesses: band conveying mechanism, by driving the sprocket wheel engaging with the carrier band that maintains described electronic component to carry out intermittent rotary, and carry out spacing conveying to described carrier band, and make described carrier band stop at the band transfer position of regulation, the motor of pulse drive mode, drives described sprocket wheel to be rotated, and can when stopping, carrying out position maintenance, encoder, detects the position of rotation of described sprocket wheel, loader control part, the action command based on from described electronic element installation device and the output of described encoder and control the manner of execution of described motor, and pattern storage part, the pattern of manner of execution described in store predetermined, described pattern comprises normal mode and battery saving mode, described normal mode is to carry out based on described action command the pattern that common band carries action and described position to keep, described battery saving mode is in the situation that drive the command signal of described motor to surpass the predefined time and interrupt stopping the pattern to the electric power supply of described motor from described electronic element installation device, in the execution of described battery saving mode, if described encoder detects the position of rotation of described sprocket wheel, from assigned position, surpass ormal weight and misplace, described loader control part reverts to described normal mode.
Electronic component mounting method of the present invention takes out electronic component and electronic element transferring is carried to substrate from being installed on the tape feeder of component feeding portion, wherein, described tape feeder possesses: band conveying mechanism, by driving the sprocket wheel engaging with the carrier band that maintains described electronic component to carry out intermittent rotary, and carry out spacing conveying to described carrier band, and make described carrier band stop at the band transfer position of regulation, the motor of pulse drive mode, drives described sprocket wheel to be rotated, and can when stopping, carrying out position maintenance, encoder, detects the position of rotation of described sprocket wheel, loader control part, the action command based on from described electronic element installation device and the output of described encoder and control the manner of execution of described motor, and pattern storage part, the pattern of manner of execution described in store predetermined, described loader control part is with reference to the pattern that is stored in described pattern storage part, carry out normal mode and battery saving mode, described normal mode is to carry out based on described action command the pattern that common band carries action and described position to keep, described battery saving mode is in the situation that drive the command signal of described motor to surpass the predefined time and interrupt stopping the pattern to the electric power supply of described motor from described electronic element installation device, in the execution of described battery saving mode, if described encoder detects the position of rotation of described sprocket wheel, from assigned position, surpass ormal weight and misplace, revert to described normal mode.
Invention effect
According to the present invention, the pattern of stipulating with reference to the manner of execution of the motor that is stored in pattern storage part and the sprocket wheel of rotating band conveying mechanism is rotated, carry out normal mode and battery saving mode, described normal mode is the pattern of carrying action and position to keep based on carry out common band from the action command of electronic element installation device, described battery saving mode is the pattern of interrupting stopping the electric power of motor is supplied with in the situation that the command signal of drive motor surpasses the predefined time, in the execution of battery saving mode, if the position of rotation of sprocket wheel being detected surpasses ormal weight and misplaces from assigned position, revert to normal mode, by being made as above-mentioned such manner of execution, can take into account the assurance of the power saving of tape feeder and the stop position precision of carrier band.
Accompanying drawing explanation
Fig. 1 is the vertical view of the electronic element installation device of one embodiment of the present invention;
Fig. 2 is the partial sectional view of the electronic element installation device of one embodiment of the present invention;
Fig. 3 is the structure key diagram of the tape feeder of one embodiment of the present invention;
Fig. 4 is the structure key diagram with the loader control part in conveying mechanism of the tape feeder of one embodiment of the present invention;
Fig. 5 means the flow chart with transport process in the electronic component mounting method of one embodiment of the present invention.
Label declaration
1 electronic element installation device
3 substrates
4 component feeding portions
5 tape feeders
9 mounting heads
10 component mounter structures
14 carrier bands
20 band conveying mechanisms
21 sprocket wheels
22 motor
22a encoder
26 loader control parts
Embodiment
Below, with reference to the accompanying drawings of embodiments of the present invention.First, the structure of the electronic element installation device 1 of installing electronic elements on substrate is described with reference to Fig. 1, Fig. 2.Electronic element installation device 1, for the production of the element mounting production line of installation base plate, has the function of the electronic component such as mounting semiconductor chip on substrate, and Fig. 2 is the A-A section in presentation graphs 1 partly.
In Fig. 1, in the central authorities of base station 1a, along directions X (substrate transferring direction), dispose substrate transferring mechanism 2.The substrate 3 that 2 conveyances of substrate transferring mechanism are moved into from upstream side, and substrate 3 location are held in to the erecting bed of setting for executive component installation exercise.Two sides in substrate transferring mechanism 2 dispose component feeding portion 4, in each component feeding portion 4, a plurality of tape feeders 5 are installed side by side.Tape feeder 5 by by the carrier band of taking in electronic component along tape feeding direction, carry out spacing conveying from the outside of component feeding portion 4 towards the direction of substrate transferring mechanism 2, and supply with electronic component to the element absorption position of the mounting head of the component mounter structure of following explanation.
At base station 1a upper surface, in the end of a side of directions X, dispose the Y-axis travelling table 7 that possesses straight line driving mechanism, on Y-axis travelling table 7, along Y-direction, move and be combined with freely two X-axis travelling tables 8 that possess equally straight line driving mechanism.On two X-axis travelling tables 8, along directions X, move mounting head 9 is installed freely respectively.Mounting head 9, for possessing the multistation formula head of a plurality of holding heads, as shown in Figure 2, is provided with the suction nozzle 9a that absorption keeps electronic component and can carry out individually lifting in the bottom of each holding head.
By Y-axis travelling table 7, X-axis travelling table 8 are driven, mounting head 9 moves along directions X, Y-direction.Thus, two mounting heads 9 utilize respectively suction nozzle 9a to take out electronic component from the element absorption position of the tape feeder 5 of corresponding component feeding portion 4, and the mounting points of this electronic element transferring being carried to the substrate 3 that is positioned substrate transferring mechanism 2.Y-axis travelling table 7, X-axis travelling table 8 and mounting head 9 form by making the mounting head 9 that maintains electronic component move and electronic element transferring is carried to the component mounter structure 10 on substrate 3.
Between component feeding portion 4 and substrate transferring mechanism 2, dispose component recognition video camera 6.When the mounting head 9 of having taken out electronic component from component feeding portion 4 moves above component recognition video camera 6,6 pairs, component recognition video camera is held in the electronic component of the state of mounting head 9 and takes and identify.Substrate identification video camera 11 is installed in mounting head 9, and this substrate identification video camera 11 is positioned at the lower face side of X-axis travelling table 8, moves integratedly respectively with mounting head 9.By mounting head 9, move, substrate identification video camera 11 moves to the top that is located in the substrate 3 of substrate transferring mechanism 2, and substrate 3 is taken and identified.In mounting head 9, carry out in the element installation action of substrate 3, consider recognition result and the substrate recognition result based on substrate identification video camera 11 of the electronic component based on component recognition video camera 6, carry out mounting position correcting.
As shown in Figure 2, the chassis 12 that the state of a plurality of tape feeders 5 is installed in advance on loader base 12a is arranged at component feeding portion 4.With respect to the firm banking 1b being located on base station 1a, utilize fixture 12b clamping loader base 12a, thus in the fixing position of chassis 12 of component feeding portion 4.On chassis 12, maintain the supply spool 13 of taking in maintaining the carrier band 14 of electronic component with reeling condition.The carrier band 14 of pulling out from supply spool 13 is delivered to the element absorption position of suction nozzle 9a by spacing by tape feeder 5.
Structure and the function of tape feeder 5 then, are described with reference to Fig. 3.As shown in Figure 3, tape feeder 5 is for possessing main part 5a and from the structure of the lower surface installation portion 5b that projection arranges of main part 5a downwards.The lower surface of main part 5a has been installed under the state of tape feeder 5 along loader base 12a, and the connector portion (omitting diagram) that is located at installation portion 5b is chimeric with loader base 12a.Thus, tape feeder 5 is fixedly installed in component feeding portion 4, and, in order to control the band conveying in tape feeder 5, built-in loader control part 26 is electrically connected to the control part 27 of electronic element installation device 1, and control part 27 is connected with the unified Upper system 28 of controlling the affiliated element mounting production line of this device.
In the inside of main part 5a, be provided with the band road 5c that advances, the carrier band 14 in main part 5a is pulled out and be taken into the road 5c guiding of advancing of this band from supply spool 13.The band road 5c that advances is arranged to from the bottom at main part 5a being upstream communicated with until pass through the element absorption position of mounting head 9 taking-up electronic components with introducing port 5d of opening between the end, upstream of the extended extension 5e of side and main part 5a.In continuing the process of executive component installation exercise, with a plurality of carrier bands 14 of taking in Liang Wei unit batch to a supply spool 13, from band introducing port 5d, insert successively and supply with to tape feeder 5.
The downstream end with conveyor side of advancing on the 5c of road at band disposes band conveying mechanism 20.With conveying mechanism 20, be by motor 22 drive sprockets 21, to carry out the structure of intermittent rotary.By making to be located at the state that a plurality of conveying pins (omitting diagram) of the outer peripheral face of sprocket wheel 21 engages with carrier band 14 to embed the sprocket hole of carrier band 14, rotate, carrier band 14 is carried by spacing and is stopped at the element absorption position of the regulation of mounting head 9.
Motor 22 is the motor of servomotor isopulse type of drive, can come drive sprocket 21 to rotate rotation amount arbitrarily by Numerical Control, and the position that can realize while stopping keeps.And, motor 22 possesses the encoder 22a that position of rotation is exported as feedback pulse, by loader control part 26, receive and control motor 22 from the feedback pulse of encoder 22a, the carrier band 14 that can make thus spacing carry stops at the position of regulation, and the position of the carrier band of the state after stopping 14 being remained to correct position.
Dispose band pressing component 23 above with conveying mechanism 20, the carrier band 14 of being carried by spacing is pressed and directed from upside by band pressing component 23.And the electronic component that is held in carrier band 14 is taken out via the taking-up peristome 23a being formed at accordingly with pressing component 23 with element absorption position by the suction nozzle 9a of mounting head 9.
At this, the structure of loader control part 26 is described with reference to Fig. 4, the function of the manner of execution of motor 22 is controlled in the output that this loader control part 26 has action command based on from electronic element installation device 1 and an encoder 22a.In Fig. 4, loader control part 26 possesses arithmetic processing section 30, storage part 31, position probing handling part 32, motor driven portion 33, interface 34.The interface 34 that loader control part 26 is connected via the main body with electronic element installation device 1 receives and drives electric power, or receives action command.
Arithmetic processing section 30, for having the CPU of operation processing function, according to the program or the data that are stored in storage part 31, is controlled the action of motor 22 via the motor driven portion 33 with driver functions.Storage part 31 storage action mode data 31a, band transportation parameters 31b, dwell time parameter 31c, departure parameter 31d.Pattern data 31a is for stipulating the data of the manner of execution of motor 22, and storage part 31 is to the pattern storage part of stipulating that the pattern of this manner of execution is stored.
Pattern comprises normal mode and battery saving mode, described normal mode is that the common band that the action command execution based on from electronic element installation device 1 is carried out spacing conveying to carrier band 14 is carried the pattern of moving and carrier band 14 being remained on to the position maintenance of stop position, and described battery saving mode is the pattern stopping the electric power supply of motor.In the present embodiment, in the situation that surpass the dwell time of predefined regulation and interrupt from the command signal of electronic element installation device 1 drive motor 22, to battery saving mode, shift, power consumption loss is reduced.
With transportation parameters 31b, mean the data of the spacing conveying capacity of the carrier band 14 in component feeding action, each is supplied with the component kind of object and is stipulated.Dwell time parameter 31c is the data of regulation dwell time of the regulation of setting in order to shift from normal mode to battery saving mode.Arithmetic processing section 30 monitors all the time the action command from electronic element installation device 1 under normal mode, if the time that command signal is interrupted surpasses the setting-up time of dwell time parameter 31c defined, just from normal mode, to battery saving mode, shifts.
Departure parameter 31d is that regulation in order to revert to normal mode and the data of defined terms in the execution of battery saving mode, at this, with in the situation that the setting that the position of rotation of sprocket wheel 21 surpasses departure parameter 31d defined from the departure of assigned position dislocation reverts to the mode of normal mode imposes a condition.Position probing handling part 32 carries out the processing that feedback pulse based on from encoder 22a output detects the position of rotation of sprocket wheel 21.Arithmetic processing section 30 is obtained the departure representing from the dislocation of assigned position according to this testing result, the departure of obtaining and departure parameter 31d are compared, and judges whether thus to revert to normal mode from battery saving mode.
Band transportation parameters 31b, the dwell time parameter 31c, the departure parameter 31d that are stored in storage part 31 all can rewrite, and are set as can suitably changing according to object kind.When carrying out this change operation, can set input via the action button of being located at individually tape feeder 5, the operation input function of control part 27 that also can be by electronic element installation device 1 be take a plurality of tape feeders 5 and is set in the lump alter operation as object.And, take a plurality of electronic element installation devices as object in the situation that, also can carry out setting operation by the Upper system 28 of element mounting production line.
Then,, with reference to Fig. 5, when utilizing 5 pairs of carrier bands of tape feeder 14 to carry out the band transport process of spacing conveying in the electronic component mounting method based on electronic element installation device 1, the control of being carried out by loader control part 26 is processed and is described.First, start band and carry action (ST1), pattern is set as to the normal mode (ST2) that the position based on carry out common band conveying action and carrier band 14 from the action command of electronic element installation device 1 keeps.
In the implementation of this normal mode, loader control part 26 monitors that whether receiving band carries action command (ST3) all the time, if receive action command, drive motor 22, carry out the band of carrier band 14 and carry action (ST4).At this, if do not receive action command, arithmetic processing section 30 monitors the dwell time (ST5) of whether having passed through the setting-up time of dwell time parameter 31c defined, having stipulated.At this, if through setting-up time, arithmetic processing section 30 change patterns, shift to battery saving mode from normal mode, and the power supply to motor 22 is supplied with and cut off (ST6).The position of motor 22 keeps being disengaged thereupon, thereby become the carrier band 14 engaging with sprocket wheel 21, may produce the state of dislocation.
The element that the dislocation of this carrier band 14 hinders next time takes out the normal element absorption in action, therefore, in the present embodiment, obtain and represent that carrier band 14 is from the departure of the dislocation of assigned position, whether the departure that judgement is obtained surpasses the setting as allowable limit (ST7) of departure parameter 31d defined.If surpass setting at this, be judged as carrier band 14 and surpass feasible value and misplace, thereby revert to normal mode, executing location keeps action (ST8).
That is, the power supply to motor 22 is supplied with and connected, by servo function, so that the mode executing location that the departure of this time point is zero is proofreaied and correct, afterwards, keep the position of rotation of motor 22.And, while being judged as NO, no matter all return in any case the monitored state of (ST3) after the action executing of (ST4), (ST8) or in (ST5), (ST7), repeatedly carry out following identical processing.
; in band transport process in above-mentioned electronic component is installed; loader control part 26 is carried out normal mode and battery saving mode with reference to the pattern that is stored in storage part 31; described normal mode is to carry out based on action command the pattern that common band carries action and position to keep, and described battery saving mode is in the situation that surpass the predefined time and interrupt stopping the pattern to the electric power supply of motor 22 from the command signal of electronic element installation device 1 drive motor 22.And, in the execution of battery saving mode, if the position of rotation of sprocket wheel 21 detected by encoder 22a, from assigned position, over ormal weight, misplace, revert to normal mode.
Thus, eliminated and with power saving, turned to the unfavorable condition producing in the object method that cut-out is supplied with the electric power of the motor with conveying mechanism when band conveying stops in prior art, become the external force of the principal element of the stop position of upsetting carrier band while peeling off with respect to heading tape etc., can not make sprocket wheel 21 carry out position and keep this difficult point, can take into account the assurance of power saving and the carrier band 14 stop position precision of tape feeder 5.
Utilizability in industry
Electronic element installation device of the present invention and electronic component mounting method have the effect of the assurance that can take into account the power saving of tape feeder and the stop position precision of carrier band, in the element installing area of installing to substrate the electronic component that utilizes carrier band to supply with is taken out, are useful.
Claims (2)
1. an electronic element installation device, takes out electronic component and electronic element transferring is carried to substrate from being installed on the tape feeder of component feeding portion, it is characterized in that,
Described tape feeder possesses:
Band conveying mechanism, by driving the sprocket wheel engaging with the carrier band that maintains described electronic component to carry out intermittent rotary, and carries out spacing conveying to described carrier band, and makes described carrier band stop at the band transfer position of regulation;
The motor of pulse drive mode, drives described sprocket wheel to be rotated, and can when stopping, carrying out position maintenance;
Encoder, detects the position of rotation of described sprocket wheel;
Loader control part, the action command based on from described electronic element installation device and the output of described encoder and control the manner of execution of described motor; And
Pattern storage part, the pattern of manner of execution described in store predetermined,
Described pattern comprises normal mode and battery saving mode, described normal mode is to carry out based on described action command the pattern that common band carries action and described position to keep, described battery saving mode is in the situation that drive the command signal of described motor to surpass the predefined time and interrupt stopping the pattern to the electric power supply of described motor from described electronic element installation device
In the execution of described battery saving mode, if described encoder detects the position of rotation of described sprocket wheel, from assigned position, surpass ormal weight and misplace, described loader control part reverts to described normal mode.
2. an electronic component mounting method, takes out electronic component and electronic element transferring is carried to substrate from being installed on the tape feeder of component feeding portion, it is characterized in that,
Described tape feeder possesses: band conveying mechanism, by driving the sprocket wheel engaging with the carrier band that maintains described electronic component to carry out intermittent rotary, and carries out spacing conveying to described carrier band, and makes described carrier band stop at the band transfer position of regulation; The motor of pulse drive mode, drives described sprocket wheel to be rotated, and can when stopping, carrying out position maintenance; Encoder, detects the position of rotation of described sprocket wheel; Loader control part, the action command based on from described electronic element installation device and the output of described encoder and control the manner of execution of described motor; And pattern storage part, the pattern of manner of execution described in store predetermined,
Described loader control part is with reference to the pattern that is stored in described pattern storage part, carry out normal mode and battery saving mode, described normal mode is to carry out based on described action command the pattern that common band carries action and described position to keep, described battery saving mode is in the situation that drive the command signal of described motor to surpass the predefined time and interrupt stopping the pattern to the electric power supply of described motor from described electronic element installation device
In the execution of described battery saving mode, if described encoder detects the position of rotation of described sprocket wheel, from assigned position, surpass ormal weight and misplace, revert to described normal mode.
Applications Claiming Priority (2)
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JP2013099004A JP5903669B2 (en) | 2013-05-09 | 2013-05-09 | Electronic component mounting apparatus and electronic component mounting method in electronic component mounting apparatus |
JP2013-099004 | 2013-05-09 |
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CN104144603A true CN104144603A (en) | 2014-11-12 |
CN104144603B CN104144603B (en) | 2018-07-17 |
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CN201410111385.9A Active CN104144603B (en) | 2013-05-09 | 2014-03-24 | Electronic element installation device and electronic component mounting method |
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Cited By (1)
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CN111034386A (en) * | 2017-08-25 | 2020-04-17 | 株式会社富士 | Control system of belt feeder |
Families Citing this family (3)
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JP6528130B2 (en) * | 2015-12-25 | 2019-06-12 | パナソニックIpマネジメント株式会社 | Parts supply apparatus and parts supply method |
JP6613455B2 (en) * | 2015-12-25 | 2019-12-04 | パナソニックIpマネジメント株式会社 | Component supply system and component supply method |
JP7138248B2 (en) * | 2019-07-22 | 2022-09-15 | 株式会社Fuji | Tape feeder and mounter |
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JP4450615B2 (en) * | 2003-12-19 | 2010-04-14 | 株式会社日立ハイテクインスツルメンツ | Parts supply device |
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CN1413079A (en) * | 2001-10-16 | 2003-04-23 | 松下电器产业株式会社 | Moving belt transveyer and electronic parts mounting device and electric parts transporting method |
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JP5903669B2 (en) | 2016-04-13 |
CN104144603B (en) | 2018-07-17 |
JP2014220396A (en) | 2014-11-20 |
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