CN106465582B - Surface mounting apparatus - Google Patents

Surface mounting apparatus Download PDF

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Publication number
CN106465582B
CN106465582B CN201480078718.0A CN201480078718A CN106465582B CN 106465582 B CN106465582 B CN 106465582B CN 201480078718 A CN201480078718 A CN 201480078718A CN 106465582 B CN106465582 B CN 106465582B
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China
Prior art keywords
head unit
camera
head
scanning
mentioned
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CN201480078718.0A
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Chinese (zh)
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CN106465582A (en
Inventor
谷口谦
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Yamaha Motor Co Ltd
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Yamaha Motor Co Ltd
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Publication of CN106465582A publication Critical patent/CN106465582A/en
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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/08Monitoring manufacture of assemblages
    • H05K13/081Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
    • H05K13/0813Controlling of single components prior to mounting, e.g. orientation, component geometry
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04Mounting of components, e.g. of leadless components
    • H05K13/0404Pick-and-place heads or apparatus, e.g. with jaws
    • H05K13/0408Incorporating a pick-up tool
    • H05K13/041Incorporating a pick-up tool having multiple pick-up tools

Abstract

The present invention provides a kind of surface mounting apparatus (1), installs electronic component to printed base plate (P), surface mounting apparatus (1) has: base station (11);Head unit (60) has multiple mounting heads (73) arranged side by side in one direction;Driving device (30) moves above-mentioned head unit (60) on above-mentioned base station along in-plane;And scanning element (80), it is set to above-mentioned head unit (60), above-mentioned scanning element (80) includes: scanning camera (81), and shooting is adsorbed the electronic component for being held in above-mentioned mounting head (73);Carriage (90) slides above-mentioned scanning camera (81) along said one direction;And mounting flange (95), set on above-mentioned carriage (90), by loading and unloading the mounting flange (95) of above-mentioned carriage (90) relative to the attached portion (65) for being set to above-mentioned head unit (60), above-mentioned scanning element (80) entirety including above-mentioned scanning camera (81) and above-mentioned carriage (90) is loaded and unloaded relative to above-mentioned head unit (60).

Description

Surface mounting apparatus
Technical field
The present invention relates to a kind of mounting structures of scanning element.
Background technique
For a long time, there is known following surface mounting apparatus: is adsorbed using the mounting head for being equipped on head unit from feed The electronic component of device supply, and be mounted on printed base plate.Surface mounting apparatus identifies dress equipped with the element based on camera It sets, is adsorbed the structure of the posture for the electronic component being maintained in mounting head using identifying and checking.
Element identifying device has fixed and scan-type.It is fixed such using on base station as described in patent document 1 The fixed camera being arranged carries out the shooting of electronic component.The visual field of fixed camera is larger, therefore has and can shoot The advantages of electronic component of large size, but need that the head unit equipped with mounting head is made to be moved to camera after stick electronic components Position is set, therefore the moving distance of head unit is elongated.
On the other hand, scan-type makes camera relatively move and shoot relative to head unit as described in patent document 2 Electronic component.The visual field of the camera of scan-type is smaller, therefore is not suitable for the large-scale electronic component of shooting, but due to that can utilize electricity Installation site of the subcomponent on the printed base plate mobile time can shorten compared with fixed to shoot electronic component The moving distance of head unit.
Patent document 1: Japanese Unexamined Patent Publication 11-40996
Patent document 2: Japanese Unexamined Patent Publication 2008-166550
In this way, it is fixed from scan-type the advantages of, disadvantage it is different, therefore exist and fixed situation be used only, be used only The case where scan-type, uses the case where fixed and scan-type simultaneously, seeks simply load and unload scanning element.
Summary of the invention
The present invention is completed based on situation as described above, it is intended that can be by scanning element relative to head Unit is simply loaded and unloaded.
The present invention provides a kind of surface mounting apparatus, installs electronic component to printed base plate, above-mentioned surface mounting apparatus has: base Platform;Head unit has multiple mounting heads arranged side by side in one direction;Driving device makes above-mentioned head unit in above-mentioned base station On moved along in-plane;And scanning element, it is set to above-mentioned head unit, above-mentioned scanning element includes: scanning camera, and shooting is inhaled The attached electronic component for being held in above-mentioned mounting head;Carriage slides above-mentioned scanning camera along said one direction;And peace Dress portion is set to above-mentioned carriage, by making the mounting portion of above-mentioned carriage relative to being mounted set on above-mentioned head unit Portion is loaded and unloaded, and the above-mentioned scanning element including above-mentioned scanning camera and above-mentioned carriage is whole relative to above-mentioned head Unit is loaded and unloaded.
Invention effect
In the present invention, scanning element can be made simply to be loaded and unloaded relative to head unit.
Detailed description of the invention
Fig. 1 is the top view of the surface mounting apparatus suitable for an embodiment.
Fig. 2 is the figure for indicating the support structure of head unit.
Fig. 3 is the main view of head unit.
Fig. 4 is the perspective view of head unit and scanning element.
Fig. 5 is the perspective view of scanning element.
Fig. 6 is the exploded perspective view of scanning element.
Fig. 7 is the cross-sectional view (the line A-A cross-sectional view of Fig. 6) of carriage.
Fig. 8 is the side view (state that expression is equipped with scanning element) of head unit.
Fig. 9 is the side view (state that scanning element has been dismantled in expression) of head unit.
Figure 10 is the block diagram for indicating the electric structure of surface mounting apparatus.
Figure 11 is the figure for amplifying the lower part of head unit.
Figure 12 is the figure for amplifying the lower part of head unit.
Figure 13 is the flow chart for indicating the process of the correction process executed by control unit.
Figure 14 is the figure for amplifying the lower part of head unit.
Description of symbols
1 ... surface mounting apparatus
11 ... base stations
30 ... driving devices
60 ... head units
61 ... braced frames
65 ... attached portions
70 ... unit main bodies
73 ... mounting heads
77 ... position reference components
80 ... scanning elements
90 ... carriages
91 ... frames
95 ... mounting flanges (are equivalent to " mounting portion " of the invention)
130 ... harness units
200 ... controllers
210 ... control units
220 ... storage units
Specific embodiment
Mono- embodiment > of <
1. the overall structure of surface mounting apparatus
As shown in Figure 1, carrying conveyer 20, head unit 60 that surface mounting apparatus 1 has base station 11, carries printed base plate P And make head unit 60 on base station 11 along the driving device 30 that in-plane (direction XY) is mobile.In addition, in the following description, The longitudinal direction (i.e. the left and right directions of Fig. 1, the carry direction of printed base plate P) of base station 11 is known as X-direction, by base station 11 into Deep direction (i.e. the up and down direction of Fig. 1, the direction orthogonal with X-direction) is known as Y-direction, and the up and down direction of Fig. 3 is known as Z-direction.
The configuration of conveyer 20 is carried in the center of base station 11.It carries conveyer 20 and has a pair for recycling driving in X direction Carry strap 21 is carried the printed base plate P in carry strap 21 by the friction with band in X direction.
In the present embodiment, left side shown in FIG. 1 becomes entrance, and printed base plate P is passed through from left side shown in FIG. 1 to be removed Conveyor 20 and towards moving in machine.The printed base plate P being moved to is transported to the operation position in base station center by carrying conveyer 20 It sets, and stops herein.
On the other hand, on base station 11, component feeding portion 13 everywhere is arranged in the mode surrounded around job position.? It is in these each component feeding portions 13, the loader 15 for supplying electronic component is multiple with the setting of transversely arranged shape.
Moreover, in job position, and the mounting head 73 by being equipped on head unit 60 carries out passing through above-mentioned loader 15 The electronic component of supply is mounted on the installation process on printed base plate P, also, will finish the printed base plate of installation process later P passes through conveyer 20 and the right direction into Fig. 1 is transported, and moves out to outside machine.
Driving device 30 is generally by a pair of of supporting leg 41, head supporter 51, Y-axis ball screw 45, Y-axis motor 47, X-axis Ball screw 55 and X-axis motor 57 are constituted.Specifically, as shown in Figure 1, being provided with a pair of of supporting leg 41 on base station 11.Two Supporting leg 41 is located at the two sides of job position, extends as the crow flies along Y-direction.
On two supporting legs 41, the guide rail 42 extended along Y-direction is arranged in supporting leg upper surface, and so that longitudinal direction The both ends mode chimeric with the guide rail 42 of these left and right supporter 51 is installed.
In addition, assembling the Y-axis ball-screw 45 extended along Y-direction on the supporting leg 41 on right side, and in Y-axis ball wire Ball nut (not shown) is screwed on thick stick 45.Moreover, being provided with Y-axis motor 47 on Y-axis ball-screw 45.
When carrying out power-on servicing to Y-axis motor 47, ball nut is retreated along Y-axis ball-screw 45, as a result, solid (Y-axis servo mechanism) is moved along Y-direction along guide rail 42 due to the head supporter 51 of ball nut and following head units 60.
Head supporter 51 is longer shape in X direction.Head unit 60 is mounted in a manner of moving freely along the X direction On head supporter 51.The X-axis ball-screw 55 extended in X direction is built-in in this supporter 51, and in X-axis ball-screw Ball nut (not shown) is screwed on 55.
Also, X-axis motor 57 is provided on X-axis ball-screw 55, when carrying out power-on servicing to the motor 57, ball Nut is retreated along X-axis ball-screw 55, as a result, being fixed on the head unit 60 of ball nut along head supporter 51 in X (X-axis servo mechanism) is moved on direction.
It therefore, can be on base station 11 along in-plane (direction XY) by complex controll X-axis motor 57, Y-axis motor 47 Head unit 60 carries out moving operation.
The mounting head 73 of multiple installation exercises for carrying out electronic component is carried in above-mentioned 60 arow of head unit.Each mounting head 73 become can be pivoted by R axis motor 78 and be gone up and down by the driving of Z axis motor 75 relative to head unit 60 Structure.In addition, each mounting head 73 is configured to supply negative pressure from negative pressure unit (not shown), attraction is generated in head front end.
By being set as such structure, X-axis motor 57, Y-axis motor 47, Z axis motor 75 can be made to work at the scheduled time, Thus it executes and the electronic component supplied across loader 15 is taken out by mounting head 73 and is installed on printed base plate P Processing.
In addition, appended drawing reference " 17 " shown in FIG. 1 is component recognizing camera.Component recognizing camera 17 is on base station 11 to clap Face-up mode is taken the photograph to be fixed.Image (the following table for the electronic component that the component recognizing camera 17 shooting is taken out by mounting head 73 Face image), absorption posture of the detection mounting head 73 to electronic component.
2. the construction of head unit 60, scanning element 80
As shown in Figure 3, Figure 4, head unit 60 has braced frame 61 and relative to the fixed unit master of braced frame 61 Body 70.Braced frame 61 is installed to be to be moved freely in X direction relative to head supporter 51.Unit main body 70 has central frame 71, multiple (being in this embodiment 10) mounting heads 73, Z axis motor 75 that can be moved up and down relative to central frame 71 are installed as And R axis motor 78.
As shown in figure 3, each mounting head 73 (is equivalent to " direction " of the invention) in X direction relative to central frame 71 It is arranged as a column-shaped.Each mounting head 73 is shaft-like longer along the vertical direction, is equipped in lower part and passes through negative-pressure adsorption electronic component Suction nozzle 74.Z axis motor 75 is set to the upper side of each mounting head 73, becomes the construction for going up and down each mounting head 73 independently.Separately Outside, R axis motor 78 is the motor by being pivoted each mounting head 73 with driving, in this example, under unit main body 70 Portion is equipped with two R axis motors 78.In addition, being installed in a manner of being located at the side of R axis motor 78 in the lower part of central frame 71 There is pair of right and left side wall 76.
In addition, as shown in figure 4, scanning element 80 is mounted on head unit 60 in a manner of assemble and unassemble.Such as Fig. 5, Fig. 6 institute Show, scanning element 80 has scanning camera 81, carriage 90 and harness unit 130.
Carriage 90 is the device for sliding scanning camera 81 in X direction, has frame 91 and sliding part as shown in Figure 7 111.Frame 91 is that longer shape, section are U-shaped in X direction.Frame 91 it is opening down.In the upper surface wall of frame 91 Equipped with mounting flange (being equivalent to " mounting portion " of the invention) 95.Mounting flange 95 is dashed forward upwards from the upper surface wall of frame 91 Longitudinal wall out.Mounting flange 95 is longer shape in X direction, in this embodiment, the shape in the length range of the X-direction of frame 91 At.In addition, the both side ends in the X-direction of frame 91 are equipped with apolipsis plate 123 respectively, apolipsis plate 123 is being bolted Except the side end face of frame 91, the side end face also by bolt relative to mounting flange 95 is fixed.
Sliding part 111 is installed on the lower part of frame 91 via Linear guide 92.Also, in the upper table of sliding part 111 Face is arranged coil 113 and on the other hand in the inside of frame 91, is equipped with magnet 93 opposite to each other with coil 113.These coils 113 Linear motor 120 is constituted with magnet 93, by driving linear motor 120, the scanning camera 81 for being fixed on sliding part 111 can be made It is slided in the X direction along frame 91 together with sliding part 111.
In addition, the front surface wall in sliding part 111 is equipped with protection board 125.Protection board 125 is installed in sliding part 111 Front surface wall on the slit 112 that is formed, cover the front of sliding part 111, play protection sliding part 111 and 111 institute of sliding part The function of fixed Linear guide 92.
Also, scanning camera 81 is fixed in the lower part of sliding part 111.Scanning camera 81 passes through relative to set on sliding part Front and back a pair of flanges 115 of 111 lower part carries out bolt fastening and is fixed.
Scanning camera 81 is along the longer shape of Z-direction, as shown in fig. 7, being configured to along front and back across sliding part 111.It sweeps Camera 81 is retouched in toe lateral configured with shoot part 82, has frame 84 in intermediate configurations, is configured with camera main-body 85 in rear portion side.Before The shoot part 82 of portion side has the U-shaped groove 83 passed through for subject (in this case, it is electronic components, position reference component 77). Form the light into optical window 83A, from subject from entering after optical window 83 is acquired in the bottom surface of U-shaped groove 83, rearward into Enter into frame 84 and incident to camera main-body 85.
Harness unit 130 from supplied electric power to the coil 113 of linear motor 120 three harness 131, fix three harness First terminal plate 133 of 131 base end part, be installed on three harness 131 front end the second terminal plate 135 constitute.First Terminal plate 133 is longer shape in X direction, is consolidated relative to the mounting flange 95 formed on the frame 91 of carriage 90 It is fixed.In addition, the second terminal plate 135 is fixed on the longitudinal wall 117 fixed in the rear end of sliding part 111, the second terminal plate 135 and solid Due to the harness front end of second terminal plate 135 and sliding part 111, one is mobile together.
Also, scanning element 80 is whole to be pacified as a unit in the mode detachable relative to head unit 60 Dress.That is, scanning camera 81, carriage 90, harness unit 130 are pacified by loading and unloading freely as a unit Dress.
If illustrating, mounting flange 95 is formed in the upper surface of the frame 91 of carriage 90.On the other hand, in structure The attached portion 65 of the object as mounting flange 95 is equipped at the lower backside of the braced frame 61 of head unit 60.Attached portion 65 is being capable of for 95 face contact of mounting flange and in X direction longer planes.Also, screw hole is formed in attached portion 65 65A can be by scanning element 80 relative to head list by the way that mounting flange 95 and attached portion 65 are overlappingly carried out bolt fastening Member 60 is fixed (referring to Fig. 8).It, can be by scanning element 80 from head unit by releasing bolt fastening in addition, in contrast 60 disassemblies (referring to Fig. 9).
In addition, as shown in figure 9, being equipped with stage portion 68 in the lower part of attached portion 65.The stage portion 68 and carriage 90 Frame 91 be arranged in correspondence with, become by frame 91 from rear be fitted into construction.
Also, in the state that scanning element 80 is assembled in head unit 60, as shown in figure 8, the shooting of scanning camera 81 Portion 82 is located at the lower section of head unit 60, and the center of the U-shaped groove 83 of shoot part 82 is consistent with the central axis L of mounting head 73.Therefore, when When relatively moving scanning element 80 along the x axis relative to head unit 60 by the driving of linear motor 120, arranged in a column-shaped Each mounting head 73 of column adsorb the electronic component kept by the inside of U-shaped groove 83, thus can using scanning camera 81 come Shooting mounting head 73 adsorbs the electronic component kept.
In addition, being equipped with pair of right and left position reference component 77A, 77B on head unit 60.Specifically, such as Fig. 3 institute Show, is installed on the outer surface side in the pair of right and left side wall 76 for the lower part installation for constituting the central frame 71 of head unit 60.Position Reference component 77A, 77B are along the longer shape of Z-direction, and front end protrudes downwards from head unit 60.Position reference component 77A, 77B is located at the outside for being arranged as the mounting head 73 of a column-shaped.Also, as shown in figure 8, the Y-direction of position reference component 77A, 77B Position it is consistent with the central axis L of mounting head 73, when from Z-direction, with the mounting head 73 for being arranged as a column-shaped in X direction Arrangement is on the same line.The front end face of position reference component 77A, 77B are towards in the U-shaped groove 83 of shoot part 82.
Therefore, when making scanning element 80 relative to head unit 60 along X axis relative movement, installation is held in except being adsorbed It, also being capable of camera site reference component 77A, 77B except first 73 electronic component.In addition, position reference component 77A, 77B are phase Similar shape is installed as bilateral symmetry relative to unit main body 70.
In addition, being equipped with substrate in a manner of being located at the outside of position reference component 77 in the left and right sides of head unit 60 Identify camera 170.Board-recognition camera 170 is fixed on head unit 60 to shoot face-down state, becomes and head unit 60 1 And the structure that ground integrally moves.Board-recognition camera 170 is to carry out image knowledge to the printed base plate P on job position It is not arranged.
2. the electric structure of surface mounting apparatus 1
Surface mounting apparatus 1 has controller 200.Controller 200 has control unit 210 and storage unit 220 as shown in Figure 10. X-axis motor 57, Y-axis motor 47, Z axis motor 75, R axis motor 78 are connected on controller 200.Control unit 210 is based on storage In storage unit 220 data, program and control above-mentioned various motors 57,47,75,78, execute to printed base plate P installation electronics member The installation process of part.
In addition, being connected separately with linear motor 120, scanning camera 81, board-recognition camera 170, member on controller 200 Part identifies camera 17, based on the image obtained from scanning camera 81, board-recognition camera 170, component recognizing camera 17, execution pair It is adsorbed the processing for the electronic component progress image recognition for being held in mounting head 73, to the position mark being attached on printed base plate The processing identified.
3. replacing associated correction process with scanning element
Surface mounting apparatus 1 will be as position data relevant to each mounting head 73, origin position with scanning camera 81 The initial value of the range data Lx of the X-direction away from each mounting head 73 on the basis of Lo is stored in storage unit 220.In addition, origin position Setting the initial position (base position) that Lo is scanning camera 81 is in this example the position of the left end of head unit 60.In addition, In this specification, from the left side of Figure 11 successively to each 73 reference numerals of mounting head, " Lx1 " is indicated from origin position Lo to first The distance of mounting head 73-1, " Lx2 " indicate the distance of the mounting head 73-2 from origin position Lo to second.
Hereinafter, being illustrated to being replaced along with scanning element by the correction process that control unit 210 carries out.Here, It is illustrated in case where scanning element 80 is changed to new scanning element 80.
Control unit 210 is carried out by existing scanning camera 81 to position reference component before scanning element replacement operation The processing of 77A progress image recognition.That is, firstly, keeping existing scanning camera 81 mobile to origin position Lo shown in Figure 11.
Also, control unit 210 carries out moving scanning camera 81 in X direction from origin position Lo and identifies position reference portion The processing of part 77A, and being handled as follows: the recognition result based on acquisition and obtain from origin position Lo to position reference portion The distance " Lm0 " of the X-direction of part 77A, and the data are stored in storage unit 220 (S10, S20 shown in Figure 13).
Later, by operator, the operation for replacing existing scanning element 80 with new scanning element 80 is carried out (S30).Also, at the end of the replacement operation of scanning element 80, control unit 210 and the control that existing scanning camera 81 is carried out System is carried out similarly the processing for carrying out image recognition to position reference component 77A using the new scanning camera 81 after replacement.That is, Firstly, keeping the scanning camera 81 after replacement mobile to origin position Lo shown in Figure 12.Also, it carries out making the scanning phase after replacement Machine 81 moves in X direction and identifies the processing of position reference component 77A from origin position Lo, is obtained based on recognition result from original The distance " Lm1 " (S40, S50 shown in Figure 13) of the X-direction of point position Lo to position reference component 77A.
Later, control unit 210 compare after the distance " Lm0 " away from position reference component 77A before replacement and replacement away from position The distance " Lm1 " for setting reference component 77A calculates the variable quantity α (S60) of distance.
α=Lm1-Lm0 (1) formula
In addition, the symbol of " α " is " just " in Lm1 > Lm0, it is in Lm1 < Lm0 " negative ".
Also, control unit 210 carries out following processing: being corrected based on calculated variable quantity α from scanning camera 81 Distance Lx of the origin position Lo to each mounting head 73 in the X direction.Specifically, as shown in figure 12, will from origin position Lo to The distance of first mounting head 73-1 is corrected to " Lx1+ α " from the distance " Lx1 " before replacement.In addition, similarly will be away from second The distance of mounting head 73-2 is corrected to " Lx2+ α " from " Lx2 ".Also, similarly correct the distance away from remaining mounting head 73 (S70 shown in Figure 13).
Also, in the production of printed base plate P, image recognition is being carried out to the electronic component kept by the absorption of mounting head 73 In the case where, control unit 210 identifies the position of the X-direction of each mounting head 73 based on the distance after correction, and shooting is adsorbed guarantor It is held in the electronic component of each mounting head 73.That is, control unit 210 makes scanning camera 81 move " Lx1+ α " from origin position Lo At the time of carry out the shooting for being adsorbed the electronic component for being held in first mounting head 73-1.In addition, being moved from origin position Lo At the time of having moved " Lx2+ α ", the shooting for being adsorbed the electronic component for being held in second mounting head 73-2 is carried out, is carried out similarly The shooting of remaining electronic component.
It, can be by scanning camera 81 and each mounting head 73 in the X direction from the foregoing, it will be observed that after the replacement of scanning element 80 Relative positional relationship remains and replaces preceding identical relationship.If describing in detail, when replacing scanning element 80, sometimes because of scanning Unit 80 is relative to the error of the installation site of head unit 60, deviation of components accuracy etc., compared with before replacement, scanning camera 81 Origin position Lo deviate in X direction.
When origin position Lo is deviated in the X direction, from origin position Lo to the distance Lx of each mounting head 73 and before replacing Compared to changing, therefore when identifying electronic component using scanning camera 81, compared with before replacement, the position of electronic component exists It is identified to offset in X-direction.
In this regard, in this surface mounting apparatus 1, position reference component 77A is equipped in head unit 60.Position reference component 77A is affixed to the constant component in position of head unit 60, even if replacement scanning element 80 etc., the position of position reference component 77A It is also fixed for setting.Therefore, by using scanning camera 81 to position reference section with after replacement before the replacement of scanning element 80 Part 77A carries out image recognition, compares the distance away from position reference component 77A, inclined thus, it is possible to find out the position of origin position Lo It moves (variable quantity α).Also, based on the variable quantity α found out, correction exists from the origin position Lo of scanning camera 81 to each mounting head 73 Distance Lx in X-direction.Therefore, because can replacement scanning element it is after 80s by scanning camera 81 and each mounting head 73 in the side X Upward relative positional relationship remain with replace before identical relationship, if therefore shoot identical electronic component, can take It obtains and replaces preceding identical image, reproducible high advantage.In addition, being removed according to the recognition result of position reference component 77A Except the position of X-direction, the position of Y-direction can be identified.Thus, it is also possible to according to before replacing scanning element 80 and after replacement Y-direction as a result, detection scanning camera 81 is carried out obtained from image recognition using scanning camera 81 to position reference component 77A The offset (variable quantity of the position of Y-direction) of position also being capable of correct scan in addition to the correction of the distance Lx of X-direction The positional shift (that is, positional shift of the Y-direction of origin position Lo) of the Y-direction of camera 81.In addition, the position about Y-direction Correction, as long as by the side Y of the position correction scanning camera 81 of the Y-direction of the electronic component identified by scanning camera 81 after replacement To position offset.
4. effect explanation
Component recognizing camera 17 and scanning camera 81, which are shot, is adsorbed the electronic component for being held in mounting head 73, and purposes is It is identical.But due to component recognizing camera 17 be it is fixed, the visual field of camera is larger, and having can shoot large-scale The advantages of electronic component, but the setting position for needing that head unit 60 is made to be moved to camera after stick electronic components, head unit 60 Moving distance it is elongated.On the other hand, the visual field of the camera of scanning camera 81 is smaller, therefore is unsuitable for the large-scale electronics member of shooting Part, but electronic component is shot due to that can utilize time that adsorbed electronic component is moved on printed base plate, The moving distance of head unit 60 can be shortened.
In this way, it is fixed from scan-type the advantages of, disadvantage it is different, exist using only fixed situation, scanning be used only The case where formula, uses the case where fixed and scan-type simultaneously, seeks simply load and unload scanning element 80.About This point, this surface mounting apparatus 1 can be such that scanning element 80 is simply loaded and unloaded relative to head unit 60, therefore can satisfy State requirement.In addition, in the event of a failure, need to be scanned the replacement operation of unit 80, thus also can relatively easily into Row replacement operation.
< other embodiment >
The present invention is not limited to the embodiments as illustrated by above-mentioned record and attached drawing, such as embodiment disclosed below Comprising within the technical scope of the present invention.
(1) in the above-described embodiment, as the position of mounting head 73 benchmark and right side is utilized shown in Figure 11 Position reference component 77A, but also can use the position reference component 77B in left side shown in Figure 11.In addition, in above-mentioned embodiment party In formula, as carriage 90 an example and instantiate the device using linear motor 120, but also can use with motor For the ball wire rod mechanism etc. of driving source.In the above-described embodiment, it is convex that installation is instantiated as an example of mounting portion Edge 95, as long as but construction of the mounting portion with the wall surface Chong Die with attached portion.In addition, in the above-described embodiment, By mounting flange 95 to 65 bolt fastening of attached portion but it is also possible to be the fixing means of (such as clamping) in addition to this.
(2) in addition, position reference component 77A (being also possible to 77B) is for example fixed on base being switched to from scanning element 80 It can also be utilized in the case where the component recognizing camera 17 of platform 11.That is, due on the basis of position reference component 77A away from each peace The data for filling the distance of head 73 are unrelated with the camera used, are constant data, therefore, as shown in figure 14, if will be with position base The data of distance Lc1, Lc2, Lc3 away from each mounting head 73 on the basis of quasi-component 77A are pre-stored within storage unit 220, even if then switching the type of camera, by grasp always on the basis of position reference component 77A away from each mounting head 73 Distance Lc, also can be to identify electronic component with preceding identical condition is replaced.That is, the position of electronic component will not be made to replace The front and back of camera is identified with deviateing in the X direction.

Claims (1)

1. a kind of surface mounting apparatus installs electronic component to printed base plate,
The surface mounting apparatus has:
Base station;
Head unit has multiple mounting heads arranged side by side in one direction;
Driving device moves the head unit on the base station along in-plane;And
Scanning element is set to the head unit,
The scanning element includes:
Scanning camera, shooting are adsorbed the electronic component for being held in the mounting head;
Carriage slides the scanning camera along one direction;And
Mounting portion is set to the carriage,
It will include institute by loading and unloading the mounting portion of the carriage relative to the attached portion for being set to the head unit The scanning element including scanning camera and the carriage is stated integrally to be loaded and unloaded relative to the head unit,
It is equipped with position reference component in the head unit, the position reference component and the multiple mounting head are arranged in same straight line It can be identified above and by the scanning camera,
The surface mounting apparatus has control unit, and before and after replacing the scanning element, which is based on sweeping described in use Camera is retouched to identify obtained from the position reference component as a result, correcting from the origin position of the scanning camera after replacement to described The data of the distance of mounting head in the one direction.
CN201480078718.0A 2014-06-02 2014-06-02 Surface mounting apparatus Active CN106465582B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/064612 WO2015186173A1 (en) 2014-06-02 2014-06-02 Surface mounting apparatus

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Publication Number Publication Date
CN106465582A CN106465582A (en) 2017-02-22
CN106465582B true CN106465582B (en) 2019-03-19

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