CN204008426U - Online optical detector - Google Patents
Online optical detector Download PDFInfo
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- CN204008426U CN204008426U CN201420401930.3U CN201420401930U CN204008426U CN 204008426 U CN204008426 U CN 204008426U CN 201420401930 U CN201420401930 U CN 201420401930U CN 204008426 U CN204008426 U CN 204008426U
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Abstract
The open a kind of online optical detector of the utility model, in frame, be installed with four large columns, these four large columns are distributed on four summits of same rectangle, and between these four large columns, be provided with successively from the bottom up five assemblies, and be respectively lower photomoduel, lower light source assembly, hold down assembly, upper light source assembly and upper photomoduel.The utility model is by adopting upper and lower two combination of light sources and corresponding photomoduel to coordinate, thereby can obtain the image information on the upper and lower surface of pcb board to be detected simultaneously, so just can significantly improve detection efficiency, and remove the trouble that traditional detection instrument turn-over detects from; Simultaneously, the utility model is by setting up two degree of accuracy that strengthen light sources and effectively improve obtained image information in the setting that holds down assembly and each light source assembly, thereby improve the accuracy of detection of this detector, three light source heat radiations in each light source assembly are effective, and serviceable life is reliably guaranteed.
Description
Technical field
The utility model belongs to optical detection field, specifically, relates in particular to a kind of online optical detector.
Background technology
Online optical detector is a kind of advanced person's online measuring technique, after it obtains the image information on detected member surface and the image information of pieces O.K. contrast, thereby whether detect measured piece qualified.At present, the utilization field of online optical detector is very extensive, for example be used for detecting pcb board (being printed circuit board (PCB)), because pcb board complexity, its designed lines get more and more, the number of plies is also more and more, therefore be used in line optics detector and detect pcb board more than manual detection mode maturation, efficient, thereby be more conducive to ensure accuracy of detection, and then control product quality.
Existing online optical detector is placed on pcb board on a flat board while detection, first detect a surface of pcb board, then by pcb board turn-over, to detect another surface of pcb board, so just cannot detect two surfaces of pcb board simultaneously, thereby cause its detection efficiency low; In addition, because micro-bending may occur measured piece, and the intensity of illumination of light source is inadequate and have the factors such as shadow region, will affect like this obtained pictorial information precision, thereby affect accuracy of detection.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of online optical detector, and wish efficiently, is accurately obtained two surperficial image informations of pcb board by this detector.
The technical solution of the utility model is as follows: a kind of online optical detector, it is characterized in that: in frame (1), be installed with four large columns (2), these four large columns are distributed on four summits of same rectangle, and be provided with successively from the bottom up five assemblies between these four large columns (2), and be respectively lower photomoduel (XX), lower light source assembly (XG), hold down assembly (YJ), upper light source assembly (SG) and upper photomoduel (SX), wherein:
A, described lower photomoduel (XX) comprise lower camera erecting frame (3) and lower camera (4), wherein play camera erecting frame (3) banding on four described large columns (2), on this lower camera erecting frame, be installed with at least one described lower camera (4), the camera lens of this lower camera vertically upward;
B, described lower light source assembly (XG) comprise that base plate (5) and first strengthens light source (8), wherein base plate (5) banding is on four described large columns (2), this plate top surface is provided with a uncovered rectangle frame upward, and in rectangle frame, is installed with a main light source (6); Described main light source (6) side is provided with a reflecting plate (7), the light that main light source penetrates is after this reflecting plate (7) reflection, from described rectangle frame, open-mouth penetrates, and this reflection ray (FS) is vertical with described base plate (5), and just this reflection ray place is vertically being had to a lower camera lightlng hole (3a) on base plate (5); Described the first enhancing light source (8) and the second intense light source (9) are all fixed in rectangle frame, and being positioned at the both sides of described reflection ray (FS), the intersection point of the enhancing light that these two light sources send is positioned on described reflection ray (FS);
C, described in hold down assembly (YJ) comprise lower hold-down roller mount pad (10) and pressing plate (17), wherein descending hold-down roller mount pad (10) number is two, and be front and back side by side, and a lower hold-down roller mount pad (10) of forward and backward side difference banding is on two large columns (2) of respective side; Between two described lower hold-down roller mount pads (10), left and right has hold-down roller under even number root (11) side by side, the forward and backward side of these lower hold-down rollers respectively by bearings on the lower hold-down roller mount pad (10) of respective side; Between middle described two lower hold-down rollers (11), left and right has under two side by side every tabula rasa (12), under this, be fixedly supported on respectively on lower hold-down roller mount pad (10) end face of respective side every the forward and backward side of tabula rasa, and the gap under two between tabula rasa is passed through for the reflection ray (FS) of described lower light source assembly (XG), and obtains pcb board lower surface image information to be detected by described lower camera (4);
Parallelly directly over every described lower hold-down roller (11) be provided with a upper hold-down roller (13), gap between this upper and lower hold-down roller is passed through for pcb board to be detected, on these forward and backward side of hold-down roller respectively by bearings on a coupling assembling, the connecting component structure of this forward and backward side is identical, and the coupling assembling of forward and backward side is connected with the lifting column (14) of respective side respectively, and can follows lifting column (14) and move up and down together, between middle two described upper hold-down rollers (13), left and right has two side by side above every tabula rasa (15), these two upper every the gap between tabula rasa and two described under gap between tabula rasa (12) stagger, and these two upper before tabula rasa (15), rear side is supported on respectively on back up pad (16) end face of respective side, and compressed by the described pressing plate (17) of correspondence, and it is front, back up pad (16) the difference banding of rear side is on the described lifting column (14) of respective side, and front, insert respectively described in respective side in the pilot hole on lower hold-down roller mount pad (10) the lifting column bottom of rear side,
D, described upper light source assembly (SG) are fixed on four large columns (2), the structure of light source assembly on this (SG) is identical with described lower light source assembly (XG), these two assemblies are oppositely arranged, and the reflection ray of upper light source assembly (SG) penetrates downwards, and by two described upper gaps between tabula rasa (15);
E, described upper photomoduel (SX) comprise camera erecting frame (18) and upper camera (23), wherein go up camera erecting frame (18) banding on four described large columns (2), on this, on camera erecting frame, front and back are fixed with two upright guide rails (19) side by side, on every upright guide rail, be sliding combined with a slide block (20), these two slide blocks are simultaneously fixing with a vertical upper camera installing plate (21); Described upper camera installing plate (21) is combined with upper camera erecting frame (18) and is connected by driving simultaneously, and can under this driving combination drives, move up and down;
Before and after described upper camera installing plate (21) is upper, be fixed with side by side two pulling blocks (22), these two pulling blocks difference bandings are on described lifting column (14) top of respective side, and on upper camera installing plate (21), be installed with at least one described upper camera (23), on this, the camera lens of camera down, and the center line of upper camera (23) camera lens overlaps with the reflection ray of described upper light source assembly (SG), and obtain pcb board upper surface image information to be detected by camera on this.
In above technical scheme, the utility model has adopted time photomoduel (XX), lower light source assembly (XG), (YJ) holds down assembly, upper light source assembly (SG) and upper photomoduel (SX), wherein descend photomoduel (XX) and lower light source assembly (XG) to cooperatively interact, to obtain pcb board lower surface image information to be detected, and upper light source assembly (SG) and upper photomoduel (SX) cooperatively interact, to obtain pcb board upper surface image information to be detected, and under passing through, avoid the mutual projection of upper and lower light source every tabula rasa (12) and upper setting every tabula rasa (15), thereby ensure to obtain the upper of detected pcb board, lower surface image information is not mutually exclusive.In sum, so just can obtain the upper and lower surface image information of pcb board to be detected, once can only obtain a surface image efficient information than traditional detection instrument, before also having removed from, need the trouble of taking a picture again after turn-over simultaneously.Meanwhile, we can move up and down by upper hold-down roller (13) described in programmed control according to the thickness of pcb board, so just well pcb board is compressed, thus the micro-deformation of elimination pcb board, thus be convenient to obtain accurate image information; In the time that upper hold-down roller (13) moves up and down, hold-down roller on this (13) drives upper camera (23) synchronizing moving by a series of parts such as described lifting columns (14), thereby the focal length of camera in guarantee (23) and pcb board upper surface, and then the accuracy of the PCB upper surface image information that guarantee is obtained better.
In addition, the utility model is except a main light source (6), also set up first and strengthened light source (8) and the second intense light source (9), these two enhancing light sources lay respectively at the both sides of described reflection ray (FS), the intersection point of the enhancing light that these two light sources send is positioned on described reflection ray (FS), can not only strengthen like this intensity of illumination of light source, and the shadow region that can very effectively eliminate light source by the first enhancing light source (8) and the second intense light source (9), thereby ensure that the image information of obtaining is accurate, and then ensure accuracy of detection.
Adopt above technical scheme, the utility model is by adopting upper and lower two combination of light sources and corresponding photomoduel to coordinate, thereby can obtain the image information on the upper and lower surface of pcb board to be detected simultaneously, so just can significantly improve detection efficiency, and remove the trouble that traditional detection instrument turn-over detects from; Meanwhile, in the setting of the utility model by hold down assembly (YJ) and each light source assembly, set up two and strengthen light sources and effectively improve the degree of accuracy of obtained image information, thereby improve the accuracy of detection of this detector.
As preferably, described rectangle frame is surrounded by two end plates (24) and two blocks of side plates (25), wherein the bottom of two blocks of side plates (25) outer plate surface respectively level be fixed with two slivers (26), these two slivers are in same level, and two slivers (26) on every block of side plate (25) are pushed down by a press strip (27), and be slidably matched with this press strip, and these press strips are all fixed on described base plate (5) end face.
Described main light source (6) comprises two LED lamp bands (6-1) and radiator structure, wherein radiator structure comprises a rectangle installing frame and small fan (6-5), wherein rectangle installing frame is surrounded by two bar shaped end plates (6-2) and two rectangular side panels (6-3), in this rectangle installing frame, be installed with a heat radiation rack (6-4), this heat radiation rack is made up of with the linkage section (6-4b) that is connected these heat radiation fin upper ends about one group heat radiation fin (6-4a) side by side, article two, described LED lamp band (6-1) left and right is fixed on the end face of this linkage section side by side,
In every described rectangular side panels (6-3), just LED lamp band (6-1) is located all to have small square hole (6-3a), described side plate has the via hole relative with this small square hole position on (25); The inner plate surface of every described bar shaped end plate (6-2) is provided with the first bar-shaped trough (6-2a) that a row vertically offers, the bottom land of this first bar-shaped trough has the first air vent of perforation, and every described heat radiation fin (6-4a) is upper to should the first air vent having wind hole (6-4a '); Described small fan (6-5) is positioned under heat radiation rack (6-4), and is arranged side by side before and after being, and the bottom surface of this small fan and two blocks of described side plates (25) is fixed, and the air outlet of small fan (6-5) all upward.
Adopt above structure, described rectangle frame is connected with base plate (5) with press strip (27) by sliver (26), so just can pull out overall rectangle frame, thus convenient for maintaining, the interior fixing lamp source of replacing rectangle frame.
In use, described small fan (6-5) is constantly extracted the hot blast in heat radiation rack (6-4) out, the first disposed at air vent on small square hole (6-3a) and bar shaped end plate (6-2) rectangular side panels (6-3) constantly extracts cold air from the external world simultaneously, and the wind hole (6-4a ') of crossing in heat radiation fin (6-4a) can enter in the space between each heat radiation fin (6-4a) cold air, thereby strengthen the Air Flow in heat radiation rack (6-4), improve significantly the radiating efficiency of LED lamp band, due to the compact conformation of light source group, power consumption is large, this efficient radiator structure has extended the serviceable life of main light source significantly, and make the illumination of main light source more stable.
In this case, the outer plate surface of every described bar shaped end plate (6-2) has four the second bar-shaped troughs (6-2c) up and down side by side, and the bottom land of middle two the second bar-shaped troughs has second air vent (6-2d) of perforation; In every described rectangular side panels (6-3), just heat radiation fin (6-4a) is located to have side by side up and down two little bar holes (6-3b), between these two little bar holes, have a small sircle hole (6-3c), and directly over described small square hole (6-3a), have a big hole (6-3d), and the upper corresponding small square hole (6-3a) of described two blocks of described side plates (25), little bar hole (6-3b), small sircle hole (6-3c) and big hole (6-3d) locate to have respectively via hole;
Article two, directly over described LED lamp band (6-1), be provided with the astigmatism plate (6-6) of a rectangle, the edge of this astigmatism plate surrounding snaps in respectively in the draw-in groove at two described bar shaped end plates (6-2) and rectangular side panels (6-3) top.
In said structure, above-mentioned the second air vent (6-2d) offer the further heat radiation that strengthens LED lamp band (6-1).Offering of the second bar-shaped trough (6-2c) strengthened the contact area of bar shaped end plate (6-2) with outside air, is also conducive to improve the radiating effect of bar shaped end plate (6-2).Offering of little bar hole and large and small circular hole, has strengthened air and has entered from rectangular side panels (6-3) flow of heat radiation rack (6-4), has further improved radiating effect.Meanwhile, described astigmatism plate (6-6) not only can make light irradiate more evenly, and can protect described LED lamp band.Described astigmatism plate (6-6) is installed by draw-in groove, makes its installing/dismounting convenient.
As preferably, described first strengthens light source (8) and second strengthens light source (9) except only containing a LED lamp band, and other structures of these two enhancing light sources are all identical with described main light source (6).
In the present embodiment, described upper hold-down roller (13) is preferably the six roots of sensation, and four middle upper hold-down rollers (13) are divided into two hold-down roller groups, and each hold-down roller group is made up of two adjacent upper hold-down rollers (13);
Each described coupling assembling comprises T shape part (28) and L shaped (31), wherein the long arm end banding of T shape part (28) is upper at the described lifting column (14) of respective side, and two terminations of this T shape part galianconism end are installed with respectively a L shaped piece (29) that lifts; Described in each, lift the end face of horizontal segment and the laminating of the middle part of an intermediate supports seat (30) bottom surface under piece (29), this intermediate supports seat is positioned at the galianconism of described T shape part (28) and rectifies below, the left and right end of each intermediate supports seat has a bearing mounting hole, and these two bearing mounting holes are offered side by side; Two upper hold-down roller (13) front sides in each described hold-down roller group are respectively installed with a bearing, and these two bearings are contained in respectively in two bearing mounting holes on same described intermediate supports seat (30);
The number of described L shaped (31) is two, on a described intermediate supports seat (30) end face that this two L shaped is separately fixed at corresponding end, on the lower horizontal segment of each L shaped (31), be placed with a side supporting seat (32), every described upper hold-down roller (13) one sides on limit by bearings on a side supporting seat (32).
Adopt said structure, described coupling assembling by lifting column (14) with drive combination interlock, thereby in the time of pcb board thickness thickening to be detected, drive and combine and will on the height of upper camera, move by controls, to focus; Meanwhile, described intermediate supports seat (30) and side supporting seat (32) are followed together on lifting column (14) and are moved, resistance suffered while making thicker pcb board clamp-on between upper and lower hold-down roller is less, thereby it is more steady that pcb board is advanced, and pcb board is not flexible, the image obtaining is more accurate, clear.
In addition, one group between two of four middle upper hold-down roller, and the intermediate supports seat (30) that these four upper hold-down rollers are installed lifts on the lower horizontal segment of piece (29) described in being supported on, and the galianconism that is positioned at described T shape part (28) is rectified below, just can be by four upper hold-down roller jack-up together while so just making these four wherein velamen pcb board jack-up of going up in hold-down roller, thereby further reduce pcb board suffered resistance when hold-down roller on four pieces in the middle of entering, avoid pcb board just to upper, the position bending of lower camera, so more be conducive to, lower camera obtains image clearly.
As optimal design, described driving is combined as feed screw nut's formula structure, wherein screw mandrel (33) is coaxially connected with the output shaft of motor (34) by shaft coupling, this motor is installed on described upper camera erecting frame (18), nut (35) on screw mandrel (33) is simultaneously fixing with tressel (36), and tressel (36) is fixing with described upper camera installing plate (21).Adopt above structure, not only simple in structure, and reliable transmission, be difficult for occurring clamping stagnation.
As preferably, described lower camera (4) and upper camera (23) number are three, and these lower cameras (4) and upper camera (23) are all front and back and are arranged side by side.In said structure, the number of described lower camera (4) and upper camera (23) is moderate, and their set-up mode is reasonable.
Beneficial effect: the utility model is by adopting upper and lower two combination of light sources and corresponding photomoduel to coordinate, thereby can obtain the image information on the upper and lower surface of pcb board to be detected simultaneously, so just can significantly improve detection efficiency, and remove the trouble that traditional detection instrument turn-over detects from; Simultaneously, in the setting of the utility model by hold down assembly (YJ) and each light source assembly, set up two degree of accuracy that strengthen light sources and effectively improve obtained image information, thereby improve the accuracy of detection of this detector, and three light source heat radiations in each light source assembly are effective, and serviceable life is reliably guaranteed.
Brief description of the drawings
Fig. 1 is outside drawing of the present utility model;
Fig. 2 be Fig. 1 dismantle outside protective covers BH, enter the schematic diagram after panel assembly JB and board discharging device CB;
Fig. 3 is that the F of Fig. 2 is to enlarged drawing;
Fig. 4 is that the G of Fig. 2 is to enlarged drawing;
Fig. 5 is the outside drawing of lower light source assembly XG in Fig. 4;
Fig. 6 is that the H-H of Fig. 5 is to cut-open view;
Fig. 7 is the axonometric drawing that Fig. 5 dismantles after described rectangle frame;
Fig. 8 is the explosive view of main light source 6 in Fig. 7;
Fig. 9 is the axonometric drawing that Fig. 4 dismantles after lower photomoduel XX, lower light source assembly XG and upper light source assembly SG;
Figure 10 is the axonometric drawing of YJ of holding down assembly in Fig. 9;
Figure 11 is 10 cross section view;
Figure 12 is the explosive view of upper photomoduel SX in Figure 10.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Fig. 1 to 12, a kind of online optical detector, this light detector is a complicated system, it is in order to reach protection object, be provided with outside protective covers BH, and be provided with into panel assembly JB and board discharging device CB simultaneously, these two devices point are located at the both sides of outside protective covers BH, the effect of wherein entering panel assembly JB is to be convenient to input pcb board to be detected, and enter panel assembly JB and there is positioning function, so that to positioning through the pcb board above it, thereby make the camera centering in pcb board and outside protective covers BH, so that two surperficial image informations of camera subsequent acquisition pcb board.The effect of described board discharging device CB is the pcb board of being convenient to after output detections reposefully, and enters panel assembly JB and board discharging device CB also can not adopt.
As core inventive point of the present utility model, in outside protective covers BH, be installed with a frame 1, this frame 1 is space frame structure, and is welded by one group of quarter bend.In described frame 1, be installed with four large columns 2, these four large columns 2 are distributed on four summits of same rectangle.Between above-mentioned four large columns 2, be provided with successively from the bottom up five assemblies, and be respectively lower photomoduel XX, lower light source assembly XG, the YJ that holds down assembly, upper light source assembly SG and upper photomoduel SX, wherein:
A, can find out with reference to Fig. 2 to 4, described lower photomoduel XX mainly comprises lower camera erecting frame 3 and lower camera 4, wherein play camera erecting frame 3 bandings on four described large columns 2, on this lower camera erecting frame 3, be installed with the described lower camera 4 of at least one outsourcing, vertically upward, and the effect of lower camera 4 is to gather pcb board lower surface image information to be detected to the camera lens of this lower camera 4.In this case, the number of described lower camera 4 is three, under this three platform, camera 4 front and back are arranged side by side, and camera 4 all maintains static under this three platform, and under every platform camera 4 directly over be provided with a lower camera magnifier 37, these lower camera magnifieres 37 are fixed by some web members and above-mentioned lower camera erecting frame 3 respectively.
B, can draw referring to Fig. 2 to 8, described lower light source assembly XG mainly strengthens light source 8 by base plate 5, main light source 6, reflecting plate 7, first and the second intense light source 9 forms.Wherein, above-mentioned base plate 5 bandings are on four described large columns 2, and the end face of this base plate 5 is provided with a uncovered rectangle frame upward, and this rectangle frame is surrounded by two end plates 24 and two blocks of side plates 25.Wherein, the bottom of two above-mentioned side plate 25 outer plate surface respectively level is fixed with two slivers 26, these two slivers 26 are in same level, and two slivers 26 on every block of side plate 25 are pushed down by a press strip 27, and be slidably matched with this press strip 27, and these press strips 27 are all fixed on described base plate 5 end faces.The outer plate surface that it should be noted that above-mentioned side plate 25 is with respect to the inward-outward direction of rectangle frame.Adopt above-mentioned design, just make rectangle frame be connected by drawing and pulling type structure with base plate 5, while needs, rectangle frame entirety can be pulled out, thus easy maintenance and replacement parts.
In above-mentioned rectangle frame, be installed with a main light source 6, the side of this main light source 6 is provided with a reflecting plate 7, this reflecting plate 7 is also fixed in described rectangle frame, and the light that main light source 6 penetrates is after these reflecting plate 7 reflections, from described rectangle frame, open-mouth penetrates, and this reflection ray FS is vertical with described base plate 5.Meanwhile, on described base plate 5, just reflection ray FS place is vertically had the lower camera lightlng hole 3a of a up/down perforation, because the number of above-mentioned lower camera 4 is three, so this lower camera lightlng hole 3a is bar hole, and offer along the fore-and-aft direction of base plate 5.Described the first enhancing light source 8 and the second intense light source 9 are all fixed in rectangle frame, and be positioned at the both sides of described reflection ray FS, it is upper that the intersection point of the enhancing light that these two light sources send is positioned at described reflection ray FS, and this intersection point is preferably positioned on PCB upper surface to be detected.
Also can draw from Fig. 2 to 8, described main light source 6 mainly comprises two LED lamp band 6-1 and radiator structure, and wherein radiator structure comprises a rectangle installing frame and small fan 6-5, and described rectangle installing frame is surrounded by two bar shaped end plate 6-2 and two rectangular side panels 6-3.In described rectangle installing frame, be installed with a heat radiation rack 6-4, this heat radiation rack 6-4 is made up of with the linkage section 6-4b that is connected these heat radiation fin 6-4a upper ends about one group heat radiation fin 6-4a side by side, and the described LED lamp band 6-1 left and right of two outsourcings is fixed on the end face of this linkage section 6-4b side by side.
On every described rectangular side panels 6-3, just LED lamp band 6-1 place is all had to small square hole 6-3a, on described side plate 25, have the via hole relative with this small square hole 6-3a position.The inner plate surface of every described bar shaped end plate 6-2 is provided with the first bar-shaped trough 6-2a that a row vertically offers, the bottom land of this first bar-shaped trough 6-2a has the first air vent of perforation, and every described heat radiation fin 6-4a is upper to having wind hole 6-4a ' by the first air vent.It should be noted that, the inner plate surface of above-mentioned bar shaped end plate 6-2 is with respect to the inward-outward direction of rectangle installing frame.Described small fan 6-5 be positioned at heat radiation rack 6-4 under, its number is four, and be before and after be arranged side by side, the bottom surface of this small fan 6-5 and two blocks of described side plates 25 is fixed, and the air outlet of small fan 6-5 is all upward.
Also can further draw from Fig. 2 to 8, the outer plate surface of every described bar shaped end plate 6-2 has four the second bar-shaped trough 6-2c up and down side by side, and the bottom land of middle two the second bar-shaped trough 6-2c has the second air vent 6-2d of perforation.On every described rectangular side panels 6-3, just heat radiation fin 6-4a place is had to two little bar hole 6-3b up and down side by side, between these two little bar hole 6-3b, have a small sircle hole 6-3c, and directly over described small square hole 6-3a, have a big hole 6-3d, and on described two blocks of described side plates 25, corresponding small square hole 6-3a, little bar hole 6-3b, small sircle hole 6-3c and big hole 6-3d place have via hole respectively.In addition, be provided with the astigmatism plate 6-6 of a rectangle directly over two described LED lamp band 6-1, the edge of this astigmatism plate 6-6 surrounding snaps in respectively in the draw-in groove at two described bar shaped end plate 6-2 and rectangular side panels 6-3 top.
In addition, described first strengthens light source 8 and second strengthens light source 9 except only containing a LED lamp band, and these two other structures that strengthen light source are all identical with described main light source 6.And described first strengthens light source 8 and second strengthens between light source 9 and main light source 6 and have certain angle of inclination, its object being obliquely installed is to be positioned on reflection ray FS in order to realize the enhancing light intersection point that aforementioned the first enhancing light source 8 and the second intense light source 9 send.In addition, first strengthens light source 8, second strengthens light source 9 and main light source 6 and is and is arranged side by side, and the forward and backward side of these three light sources is fixing with the described side plate 25 of respective side respectively, thereby is fixed on described rectangle frame.
C, can find out according to Fig. 2,3,4 and 9,10,11, described in hold down assembly YJ mainly by lower hold-down roller mount pad 10, lower hold-down roller 11, under every tabula rasa 12, upper hold-down roller 13, lifting column 14, above form every tabula rasa 15, back up pad 16 and pressing plate 17.Wherein, described lower hold-down roller mount pad 10 numbers are two, before and after being, these two lower hold-down roller mount pads 10 are arranged side by side, and a lower hold-down roller mount pad 10 of forward and backward side is distinguished bandings on two large columns 2 of respective side, and each lower hold-down roller mount pad 10 is fixedly supported on the end face of described frame 1 by a cushion block 38 simultaneously.
Between two described lower hold-down roller mount pads 10, left and right has hold-down roller 11 under even number root side by side, the forward and backward side of these lower hold-down rollers 11 respectively by bearings on the lower hold-down roller mount pad 10 of respective side.In this case, the number of described lower hold-down roller 11 is preferably the six roots of sensation.Between middle described two lower hold-down rollers 11, left and right has under two side by side every tabula rasa 12, under this, be fixedly supported on respectively on lower hold-down roller mount pad 10 end faces of respective side every the forward and backward side of tabula rasa 12, and the gap under two between tabula rasa 12 is passed through for the reflection ray FS of described lower light source assembly XG, and obtains pcb board lower surface image information to be detected by described lower camera 4.
Also can find out according to Fig. 2,3,4 and 9,10,11, parallelly directly over every described lower hold-down roller 11 be provided with a upper hold-down roller 13, the gap between this lower hold-down roller 11 and upper hold-down roller 13 is passed through for pcb board to be detected.And, on these forward and backward side of hold-down roller 13 respectively by bearings on a coupling assembling, the connecting component structure of this forward and backward side is identical, and the coupling assembling of forward and backward side is connected with the lifting column 14 of respective side respectively, and can follow lifting column 14 and move up and down together.Between two middle described upper hold-down rollers 13, left and right has two side by side above every tabula rasa 15, these two upper every the gap between tabula rasa 15 and two described under gap between tabula rasa 12 stagger, and these two are above supported on respectively on back up pad 16 end faces of respective side every the forward and backward side of tabula rasa 15, and are pressed in back up pad 16 by corresponding pressing plate 17.Meanwhile, bandings are on the described lifting column 14 of respective side respectively for the back up pad of forward and backward side 16, and insert respectively described in respective side in the pilot hole on lower hold-down roller mount pad 10 lifting column 14 bottoms of forward and backward side.In this case, described upper hold-down roller 13 is the six roots of sensation, and four middle upper hold-down rollers 13 are divided into two hold-down roller groups, and each hold-down roller group is made up of two adjacent upper hold-down rollers 13.
Each described coupling assembling mainly by T shape part 28, lift piece 29, intermediate supports seat 30, L shaped 31 and side supporting seat 32 forms.Wherein, the long arm end banding of described T shape part 28 is on the described lifting column 14 of respective side, two terminations of these T shape part 14 galianconism ends are installed with respectively one and lift piece 29, this lifts piece 29 for L shaped structure, its vertically section be connected with T shape part 28, and below the lower horizontal segment that lifts piece 29 galianconism that is positioned at T shape part 28 rectifies.
Described in each, lift the end face of 29 times horizontal segments of piece and the laminating of the middle part of intermediate supports seat 30 bottom surfaces, this intermediate supports seat 30 be positioned at described T shape part 28 galianconism ends under, the left and right end of each intermediate supports seat 30 has a bearing mounting hole, and these two bearing mounting hole left and right are offered side by side.Two upper hold-down roller 13 front sides in each described hold-down roller group are respectively installed with a bearing (unmarked in figure), and these two bearings are contained in respectively in two bearing mounting holes on same described intermediate supports seat 30.The number of described L shaped 31 is two, on described intermediate supports seat 30 end faces that this two L shaped 31 is separately fixed at corresponding end, on the lower horizontal segment of each L shaped 31, be placed with a side supporting seat 32, every described upper hold-down roller 13 1 sides on limit by bearings on a side supporting seat 32.
D, can find out according to Fig. 2,3,4 and 9, described upper light source assembly SG is fixed on four large columns 2, on this, the structure of light source assembly SG is identical with described lower light source assembly XG, these two assemblies are oppositely arranged, and the reflection ray of upper light source assembly SG penetrates downwards, and by two described upper gaps between tabula rasa 15.
E, can find out according to Fig. 2,3,4 and 9,12, described upper photomoduel SX is mainly constituted by upper camera erecting frame 18, upright guide rail 19, slide block 20, upper camera installing plate 21, pulling block 22, upper camera 23 and driving.Wherein, described upper camera erecting frame 18 bandings are on four described large columns 2, and on this, on camera erecting frame 18, front and back are fixed with two upright guide rails 19 side by side.On every described upright guide rail 19, be sliding combined with a slide block 20 in the mode of dovetail groove, this two slide blocks 20 are simultaneously fixing with a vertical upper camera installing plate 21.Described upper camera installing plate 21 is combined with upper camera erecting frame 18 and is connected by driving simultaneously, and can under this driving combination drives, move up and down.Described driving is combined as feed screw nut's formula structure, wherein screw mandrel 33 is coaxially connected with the output shaft of motor 34 by shaft coupling, this motor 34 is installed on described upper camera erecting frame 18, nut 35 on screw mandrel 33 is simultaneously fixing with tressel 36, and tressel 36 is fixing with described upper camera installing plate 21.
Before and after on described upper camera installing plate 21, be fixed with side by side two pulling blocks 22, these two pulling blocks, 22 difference bandings are on described lifting column 14 tops of respective side, and on upper camera installing plate 21, be installed with at least one described upper camera 23, on this, the camera lens of camera 23 down, and the center line of upper camera 23 camera lenses overlaps with the reflection ray of described upper light source assembly SG, and obtain pcb board upper surface image information to be detected by camera on this 23.In this case, the number of described upper camera 23 is preferably three, and on this three platform, camera 23 front and back are arranged side by side.In addition, on every platform camera 23 under be provided with a upper camera magnifier 39, on these, camera magnifier 39 all fixedly mounts with described upper camera erecting frame 18 by a series of web member.
The foregoing is only preferred embodiment of the present utility model; not taking the utility model as restriction; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. an online optical detector, it is characterized in that: in frame (1), be installed with four large columns (2), these four large columns are distributed on four summits of same rectangle, and be provided with successively from the bottom up five assemblies between these four large columns (2), and be respectively lower photomoduel (XX), lower light source assembly (XG), hold down assembly (YJ), upper light source assembly (SG) and upper photomoduel (SX), wherein:
A, described lower photomoduel (XX) comprise lower camera erecting frame (3) and lower camera (4), wherein play camera erecting frame (3) banding on four described large columns (2), on this lower camera erecting frame, be installed with at least one described lower camera (4), the camera lens of this lower camera vertically upward;
B, described lower light source assembly (XG) comprise that base plate (5) and first strengthens light source (8), wherein base plate (5) banding is on four described large columns (2), this plate top surface is provided with a uncovered rectangle frame upward, and in rectangle frame, is installed with a main light source (6); Described main light source (6) side is provided with a reflecting plate (7), the light that main light source penetrates is after this reflecting plate (7) reflection, from described rectangle frame, open-mouth penetrates, and this reflection ray (FS) is vertical with described base plate (5), and just this reflection ray place is vertically being had to a lower camera lightlng hole (3a) on base plate (5); Described the first enhancing light source (8) and the second intense light source (9) are all fixed in rectangle frame, and being positioned at the both sides of described reflection ray (FS), the intersection point of the enhancing light that these two light sources send is positioned on described reflection ray (FS);
C, described in hold down assembly (YJ) comprise lower hold-down roller mount pad (10) and pressing plate (17), wherein descending hold-down roller mount pad (10) number is two, and be front and back side by side, and a lower hold-down roller mount pad (10) of forward and backward side difference banding is on two large columns (2) of respective side; Between two described lower hold-down roller mount pads (10), left and right has hold-down roller under even number root (11) side by side, the forward and backward side of these lower hold-down rollers respectively by bearings on the lower hold-down roller mount pad (10) of respective side; Between middle described two lower hold-down rollers (11), left and right has under two side by side every tabula rasa (12), under this, be fixedly supported on respectively on lower hold-down roller mount pad (10) end face of respective side every the forward and backward side of tabula rasa, and the gap under two between tabula rasa is passed through for the reflection ray (FS) of described lower light source assembly (XG), and obtains pcb board lower surface image information to be detected by described lower camera (4);
Parallelly directly over every described lower hold-down roller (11) be provided with a upper hold-down roller (13), gap between this upper and lower hold-down roller is passed through for pcb board to be detected, on these forward and backward side of hold-down roller respectively by bearings on a coupling assembling, the connecting component structure of this forward and backward side is identical, and the coupling assembling of forward and backward side is connected with the lifting column (14) of respective side respectively, and can follows lifting column (14) and move up and down together, between middle two described upper hold-down rollers (13), left and right has two side by side above every tabula rasa (15), these two upper every the gap between tabula rasa and two described under gap between tabula rasa (12) stagger, and these two upper before tabula rasa (15), rear side is supported on respectively on back up pad (16) end face of respective side, and compressed by the described pressing plate (17) of correspondence, and it is front, back up pad (16) the difference banding of rear side is on the described lifting column (14) of respective side, and front, insert respectively described in respective side in the pilot hole on lower hold-down roller mount pad (10) the lifting column bottom of rear side,
D, described upper light source assembly (SG) are fixed on four large columns (2), the structure of light source assembly on this (SG) is identical with described lower light source assembly (XG), these two assemblies are oppositely arranged, and the reflection ray of upper light source assembly (SG) penetrates downwards, and by two described upper gaps between tabula rasa (15);
E, described upper photomoduel (SX) comprise camera erecting frame (18) and upper camera (23), wherein go up camera erecting frame (18) banding on four described large columns (2), on this, on camera erecting frame, front and back are fixed with two upright guide rails (19) side by side, on every upright guide rail, be sliding combined with a slide block (20), these two slide blocks are simultaneously fixing with a vertical upper camera installing plate (21); Described upper camera installing plate (21) is combined with upper camera erecting frame (18) and is connected by driving simultaneously, and can under this driving combination drives, move up and down;
Before and after described upper camera installing plate (21) is upper, be fixed with side by side two pulling blocks (22), these two pulling blocks difference bandings are on described lifting column (14) top of respective side, and on upper camera installing plate (21), be installed with at least one described upper camera (23), on this, the camera lens of camera down, and the center line of upper camera (23) camera lens overlaps with the reflection ray of described upper light source assembly (SG), and obtain pcb board upper surface image information to be detected by camera on this.
2. online optical detector according to claim 1, it is characterized in that: described rectangle frame is surrounded by two end plates (24) and two blocks of side plates (25), wherein the bottom of two blocks of side plates (25) outer plate surface respectively level be fixed with two slivers (26), these two slivers are in same level, and two slivers (26) on every block of side plate (25) are pushed down by a press strip (27), and be slidably matched with this press strip, and these press strips are all fixed on described base plate (5) end face;
Described main light source (6) comprises two LED lamp bands (6-1) and radiator structure, wherein radiator structure comprises a rectangle installing frame and small fan (6-5), wherein rectangle installing frame is surrounded by two bar shaped end plates (6-2) and two rectangular side panels (6-3), in this rectangle installing frame, be installed with a heat radiation rack (6-4), this heat radiation rack is made up of with the linkage section (6-4b) that is connected these heat radiation fin upper ends about one group heat radiation fin (6-4a) side by side, article two, described LED lamp band (6-1) left and right is fixed on the end face of this linkage section side by side,
In every described rectangular side panels (6-3), just LED lamp band (6-1) is located all to have small square hole (6-3a), described side plate has the via hole relative with this small square hole position on (25); The inner plate surface of every described bar shaped end plate (6-2) is provided with the first bar-shaped trough (6-2a) that a row vertically offers, the bottom land of this first bar-shaped trough has the first air vent of perforation, and every described heat radiation fin (6-4a) is upper to should the first air vent having wind hole (6-4a '); Described small fan (6-5) is positioned under heat radiation rack (6-4), and is arranged side by side before and after being, and the bottom surface of this small fan and two blocks of described side plates (25) is fixed, and the air outlet of small fan (6-5) all upward.
3. online optical detector according to claim 2, it is characterized in that: the outer plate surface of every described bar shaped end plate (6-2) has four the second bar-shaped troughs (6-2c) up and down side by side, the bottom land of middle two the second bar-shaped troughs has second air vent (6-2d) of perforation; In every described rectangular side panels (6-3), just heat radiation fin (6-4a) is located to have side by side up and down two little bar holes (6-3b), between these two little bar holes, have a small sircle hole (6-3c), and directly over described small square hole (6-3a), have a big hole (6-3d), and the upper corresponding small square hole (6-3a) of described two blocks of described side plates (25), little bar hole (6-3b), small sircle hole (6-3c) and big hole (6-3d) locate to have respectively via hole;
Article two, directly over described LED lamp band (6-1), be provided with the astigmatism plate (6-6) of a rectangle, the edge of this astigmatism plate surrounding snaps in respectively in the draw-in groove at two described bar shaped end plates (6-2) and rectangular side panels (6-3) top.
4. online optical detector according to claim 3, it is characterized in that: described first strengthens light source (8) and second strengthens light source (9) except only containing a LED lamp band, and these two other structures that strengthen light source are all identical with described main light source (6).
5. online optical detector according to claim 1, it is characterized in that: described upper hold-down roller (13) is the six roots of sensation, four middle upper hold-down rollers (13) are divided into two hold-down roller groups, and each hold-down roller group is made up of two adjacent upper hold-down rollers (13);
Each described coupling assembling comprises T shape part (28) and L shaped (31), wherein the long arm end banding of T shape part (28) is upper at the described lifting column (14) of respective side, and two terminations of this T shape part galianconism end are installed with respectively a L shaped piece (29) that lifts; Described in each, lift the end face of horizontal segment and the laminating of the middle part of an intermediate supports seat (30) bottom surface under piece (29), this intermediate supports seat is positioned at the galianconism of described T shape part (28) and rectifies below, the left and right end of each intermediate supports seat has a bearing mounting hole, and these two bearing mounting holes are offered side by side; Two upper hold-down roller (13) front sides in each described hold-down roller group are respectively installed with a bearing, and these two bearings are contained in respectively in two bearing mounting holes on same described intermediate supports seat (30);
The number of described L shaped (31) is two, on a described intermediate supports seat (30) end face that this two L shaped is separately fixed at corresponding end, on the lower horizontal segment of each L shaped (31), be placed with a side supporting seat (32), every described upper hold-down roller (13) one sides on limit by bearings on a side supporting seat (32).
6. online optical detector according to claim 1, it is characterized in that: described driving is combined as feed screw nut's formula structure, wherein screw mandrel (33) is coaxially connected with the output shaft of motor (34) by shaft coupling, this motor is installed on described upper camera erecting frame (18), nut (35) on screw mandrel (33) is simultaneously fixing with tressel (36), and tressel (36) is fixing with described upper camera installing plate (21).
7. according to the online optical detector described in claim 5 or 6, it is characterized in that: described lower camera (4) and upper camera (23) number are three, before and after these lower cameras (4) and upper camera (23) are all, be arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401930.3U CN204008426U (en) | 2014-07-21 | 2014-07-21 | Online optical detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401930.3U CN204008426U (en) | 2014-07-21 | 2014-07-21 | Online optical detector |
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| CN204008426U true CN204008426U (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165842A (en) * | 2014-07-21 | 2014-11-26 | 四川祥益智能科技有限公司 | Online optical detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165842A (en) * | 2014-07-21 | 2014-11-26 | 四川祥益智能科技有限公司 | Online optical detector |
| CN104165842B (en) * | 2014-07-21 | 2016-08-10 | 四川祥益智能科技有限公司 | A kind of online optical detector |
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Effective date of registration: 20160922 Address after: 523000 Guangdong city of Dongguan Province east of GUANCHEN District Canal Road No. 183 Hua Chang Ge 4 Building No. 7 Patentee after: Zhang Weimin Address before: 638600 Sichuan Huaying Industrial Development Zone electromechanical Industrial Park Room 101 (Hai Xia company) Patentee before: SICHUAN XIANGYI INTELLIGENT TECHNOLOGY CO., LTD. |
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Effective date of registration: 20180611 Address after: 523000 first floor, office building 2, Zhou Wuji village, Jintai community, Wanjiang street, Dongguan, Guangdong Patentee after: Guangdong Huayi Photoelectric Technology Co., Ltd. Address before: 523000, 7, building 4, Hua Chang Ge 183, Dongyi Road, Guancheng District, Dongguan, Guangdong. Patentee before: Zhang Weimin |