CN105334229A - Optical detector - Google Patents
Optical detector Download PDFInfo
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- CN105334229A CN105334229A CN201510678964.6A CN201510678964A CN105334229A CN 105334229 A CN105334229 A CN 105334229A CN 201510678964 A CN201510678964 A CN 201510678964A CN 105334229 A CN105334229 A CN 105334229A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses an optical detector. The optical detector comprises a frame, a base platform, a workbench subassembly which is arranged on the base platform and is capable of moving along the Y direction relative to the base platform, a cross beam structure arranged above the workbench subassembly, and a scanning mechanism arranged on the cross beam structure; the scanning mechanism is capable of moving along the X direction relative to the cross beam structure; the scanning mechanism comprises an imaging device, and a light source device used for assisting the imaging device; the light source device comprises at least one main light subassembly, at least one pair of side light subassemblies, and a light source support subassembly used for supporting the main light subassembly and the side light subassemblies; the main light subassembly comprises a main light 1, and main lights 2 symmetrically arranged on the two sides of the main light 1 respectively, and a first light focusing device used for focusing of the main light 1 and the main lights 2. The optical detector is simple in structure; and light source device irradiation range is large, so that imaging of defect scanning is clear and stable.
Description
Technical field
The present invention relates to the detection field of printed board, particularly relate to a kind of optical detector that can carry out autoscan to printed board.
Background technology
Now, more and more higher to the accuracy requirement of printed-wiring board (PWB), printed board is generally passed through: the techniques such as copper facing, zinc-plated-scanning, maintenance-shear-boring-circuit, circuit-secondary maintenance, printed board after copper facing, tin plating technique after, open circuit, open circuit can be there is, fall oil, breach etc. defect in printed board, these defects be can't see often through naked eyes, need to carry out scanning defect by special optical detection apparatus, optical detection apparatus scanning printed board, the defect record existed stored, the information of storage sends next process correction to.
In prior art, also there is following deficiency in optical detection apparatus: (1), by light supply apparatus as shown in Figure 1, king light is one group, and light range of exposures is little and do not concentrate, make display image clear not, and then even cannot cannot scan defect to defect by accurate scan; Complex structure, installs difficulty, and to the heat abstractor often organizing king light and side lamp assembly needs setting correspondence, otherwise under long-term work environment, fluorescent tube generates heat, thus impact irradiation quality, even fluorescent tube is fragile, and then affects work; (2) each assembly of existing getter device is directly placed in frame, transport and maintenance extremely inconvenience; (3) for support maintenance vacuum platform bracing frame be formed by bending, and be connected with welding machine frame, make the cavity for placing maintenance vacuum platform little, making the platform area for holding printed board little, causing that absorption affinity is weak, pneumatic flow is uneven, thus suction is uneven, printed board can not be held reposefully, accurately cannot locate the defect in printed board, operator is unstable in operation, easily causes the damage of printed board.
Summary of the invention
The present invention is directed to deficiency of the prior art, provide a kind of optical detector, structure is simple, and light supply apparatus illumination coverage is large, makes the imaging clearly scanning defect with stable.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of optical detector, comprise frame, be arranged on base station above frame, be arranged on base station and the table assembly that moves along Y-direction of base station and the beam structure that is arranged on above table assembly relatively, also comprise the scanning mechanism be arranged on beam structure, the relative beam structure of described scanning mechanism moves in X direction; Described scanning mechanism comprises the light supply apparatus of imaging device and auxiliary imaging devices, described light supply apparatus comprises at least one group of king light assembly and at least one pair of side lamp assembly, described light supply apparatus comprises at least one group of king light assembly and at least one pair of side lamp assembly and supports the light source bracket assembly of king light assembly and side lamp assembly, and described one group of king light assembly comprises king light one and is arranged on king light one both sides and the first light focusing device of the king light two that is symmetrical set of relative king light and confession king light one and king light two focusing.
Preferably, described king light one comprises luminophor and supports the king light seat one of luminophor, and the two ends of described king light seat one are respectively equipped with for the fixing connecting hole one of king light seat one facing light sources bracket component; Described king light two comprises luminophor and supports the king light seat two of luminophor, and the two ends of described king light seat two are respectively equipped with for king light seat two connecting hole two that light source bracket assembly is fixing relatively.
Preferably, described first light focusing device comprises lens mount one assembly of the lens one that are set in parallel with king light one and king light two respectively and lens two, respectively support of lens one and lens two and lens mount two assembly and the semi-reflective mirror that arranges in vertical direction with certain angle and the semi-reflective mirror mounting assembly supporting semi-reflective mirror.
Preferably, described light source bracket assembly comprises the side plate be symmetrical set, the mounting hole three that described biside plate is provided with the mounting hole one installed at the two ends for described lens mount one assembly and the two ends of the mounting hole two installed for the two ends of described lens mount two assembly and semi-reflective mirror mounting assembly semi-reflective mirror mounting assembly are installed; Described lens mount one assembly comprises lens mount one and the web member one be connected with lens mount one two ends respectively, and described lens mount one assembly is fixedly connected with side plate by web member one; Described lens mount two assembly comprises lens mount two and the web member two be connected with lens mount two two ends respectively, and described lens mount two assembly is fixedly connected with side plate by web member two; Described semi-reflective mirror mounting assembly comprises semi-reflective mirror bearing and the web member three be connected with semi-reflective mirror bearing two ends respectively, and described semi-reflective mirror mounting assembly is fixedly connected with side plate by web member three.
Preferably, described side lamp assembly is symmetrical set about the axis of imaging device, the second light focusing device that described side lamp assembly comprises side lamp and focuses on the described side lamp of confession, described side lamp comprises luminophor and supports the fender lamp base of luminophor, and the two ends of described fender lamp base are respectively equipped with for the fixing connecting hole three of fender lamp base; Described second light focusing device comprises lens mount three assembly of the lens three and support of lens three be set in parallel with side lamp, described lens mount three assembly comprises lens mount three and the web member three be connected with lens mount three two ends respectively, and described lens mount three assembly is fixedly connected with side plate by web member three.
Preferably, described table assembly is moved along Y-direction by the relative base station of the first carriage, described first carriage comprise at least two to be arranged on base station and the guide rail one be set in parallel be arranged on table assembly and with the slide block one that guide rail one is slidably matched and the first driving mechanism of driving the relative base station of described table assembly to move.
Preferably, described scanning mechanism also comprises the support mounting plate be connected with beam structure, and described imaging device and light supply apparatus are arranged in described support mounting plate; Described scanning mechanism is moved in X direction by the relative crossbeam of the second carriage, described second carriage comprise at least two to be arranged on beam structure and the guide rail two be set in parallel be arranged in support mounting plate and with the slide block two that guide rail two is slidably matched and the second driving mechanism of driving the relative beam structure of described scanning mechanism to move.
Preferably, described imaging device comprises lens assembly and the photoelectric conversion component for image being converted to electric signal, described photoelectric conversion component is vertically moved by the 3rd carriage relative support installing plate, and described lens assembly is vertically moved by the 4th carriage relative support installing plate.
Preferably, described photoelectric conversion component is CCD assembly, and described 3rd carriage comprises at least two and to be arranged in support mounting plate and the guide rail three be set in parallel and be arranged on CCD assembly and the slide block three be slidably matched with guide rail three and the 3rd driving mechanism driving described CCD assembly relative support installing plate to move; Described 4th carriage comprises at least two and to be arranged in support mounting plate and the guide rail four be set in parallel and be arranged on lens assembly and the slide block four be slidably matched with guide rail four and the four-wheel drive mechanism driving described lens assembly relative support installing plate to move.
Preferably, described table assembly is vacuum platform, also comprise the getter device be connected with table assembly, described getter device comprises getter assembly and holds the casing of described getter assembly, described getter assembly comprises blower fan, T-valve and exhaust box, described T-valve is connected with blower fan, exhaust box and the external world respectively, and the outlet of described exhaust box is connected with vacuum chamber by pipeline one.
The present invention obtains following beneficial effect: (1) light supply apparatus of the present invention comprises at least one group of king light assembly and at least one pair of side lamp assembly, structure is simple, easy for installation, and king light assembly comprises king light one and is arranged on the king light two of king light one both sides, focused on by the first light focusing device again, more concentrated after light focusing, the pcb map picture of illumination is shown more clear and stable, scan image imaging is more clear; (2) getter device described in is an independently structure, is installed concentratedly by each assembly by casing, and structure is simple, and transport and easy to maintenance; (3) bracing frame for supporting maintenance vacuum platform is formed by assembling, make the cavity for placing maintenance vacuum platform larger, make the platform area for holding printed board large, ensure that absorption affinity is stronger, pneumatic flow is more even, thus suction is even, printed board can be held more reposefully, more accurately locate the defect in printed board, the printed board epigraph that camera lens can be seen is more clear, the image effect fed back by camera is better, ensure that maintenance is more complete, ensure the quality of printed board maintenance.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of light supply apparatus in prior art of the present invention;
Fig. 2 is the structural representation of scanning mechanism in prior art of the present invention;
Fig. 3 is the structural representation of a kind of optical detector embodiment of the present invention;
Fig. 4 is a kind of structural representation removing the optical detector embodiment of housing of the present invention;
Fig. 5 is a kind of structural representation removing the optical detector embodiment of scanning mechanism of the present invention;
Fig. 6 is the structural representation that table assembly of the present invention is connected with the first carriage;
Fig. 7 is the structural representation that table assembly of the present invention is connected with getter device;
Fig. 8 is the cut-open view of table assembly of the present invention;
Fig. 9 is the structural representation of getter device of the present invention;
Figure 10 is the structural representation that scanning mechanism of the present invention is connected with beam structure;
Figure 11 is the structural representation of imaging device of the present invention;
Figure 12 is the structural representation one of light supply apparatus of the present invention;
Figure 13 is the structural representation two of light supply apparatus of the present invention;
Figure 14 is the partial enlarged drawing at A place in Figure 13;
Figure 15 is the partial enlarged drawing at B place in Figure 13;
Figure 16 is the structural representation three of light supply apparatus of the present invention;
Figure 17 is the imaging schematic diagram of imaging device of the present invention;
Figure 18 is the partial enlarged drawing in Figure 17;
Figure 19 is the structural representation of web member four.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Unless otherwise defined, technical term used herein or scientific terminology should be in field belonging to the present invention the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in patent application specification of the present invention and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different ingredients.Equally, the similar word such as " " or " " does not represent restricted number yet, but represents to there is at least one.
As shown in Figures 3 and 4, as embodiments of the invention, a kind of optical detector, comprise frame 100, be arranged on the base station 200 (removing panel beating just can point out) above frame 100, to be arranged on base station 200 and the table assembly 300 that moves along Y-direction of base station 200 and the scanning mechanism 500 that is arranged on the beam structure 400 above table assembly 300 and is arranged on beam structure 400 relatively, housing 600 is added a cover above scanning mechanism 500 and beam structure 400, prevent the dust and other impurities of top from entering into detector inside, affect the detection of detector, in like manner also add a cover housing 600 around frame 100, prevent the dust and other impurities of below from entering into detector inside, affect the detection of detector, housing 600 is preferably made up of sheet metal structural, processing is simple, greatly increase work efficiency.
In the present embodiment, table assembly 300 wants relative base station 200 to move along Y-direction, scanning mechanism 500 wants relative beam structure 400 to move in X direction, therefore, the stability requirement of the base station 200 of carrying table assembly 300 and the beam structure 400 of carrying scanning mechanism 500 is good, and it is not yielding under long-term work, to have influence on the accuracy that detector detects printed board, therefore in the present invention, the preferred marble of material of base station 200 and beam structure 400 is made, marble material has good rigidly, hardness is high, wearing quality is strong, not by the impact of wet environment, be out of shape and be not littlely even out of shape, and do not need the process through techniques such as paint, and can not get rusty after a long time use, need not oiling, not easily sticky micronic dust, also there will not be cut folding, care and maintenance is convenient and simple, further increase the stability of detector equipment, long service life, and it is elegant in appearance.
In the present embodiment, as seen in figs. 5-6, described table assembly 300 is moved along Y-direction by the relative base station 200 of the first carriage 1, described first carriage 1 comprise two to be arranged on base station 200 and the guide rail 1 be set in parallel be arranged on table assembly 300 and with the slide block 1 that guide rail 1 is slidably matched and the first driving mechanism of driving the relative base station 200 of described table assembly 300 to move, in the present embodiment, base station 200 is greater than the size of table assembly 300 along the size of length and Width, make table assembly 300 can adapt to the detection of the printed board of Multiple Type specification.In the present embodiment, preferably the first driving mechanism comprises motor 1, the screw mandrel 1 be connected with motor 1 output terminal and screw rodb base 1, wherein screw rodb base 1 is connected with bottom table assembly 300, the relative table assembly 300 of base station 200 is driven to move by motor 1, in the present embodiment, also led by the first guiding mechanism 2, ensure that table assembly 300 moves more steady under the driving of motor 1, wherein the first guiding mechanism 2 comprises the guide 1 be connected with table assembly 300 and the guide channel 1 be arranged on base station 200.
In the present embodiment, also comprise the photoelectric induction device (photoelectric sensor) 3 being arranged on base station 200, the element preferred light electric inductor of photoelectric induction device 3, respond to sensitive, wherein photoelectric induction device 3 lays respectively at the both sides of table assembly 300, for the distance that the relative base station 200 of feedback operation platform assembly 300 slides in the Y direction, ensure that a class foreign matter enters in light-source system the thing exceeding thickness of slab and will sense that stop table assembly 300 moves guarantee radiant system and installs anti-impaired, scanning puts in place.
In the present embodiment, as shown in FIG. 7 and 8, described table assembly 300 is vacuum platform, comprise the support platform 301 be connected with described base station 200 and the workbench 302 be arranged in support platform 301, described support platform 301 is provided with cavity 3011, and described workbench 302 and the cavity 3011 of described support platform 301 form the vacuum chamber 303 for holding workpiece; Described workbench 302 is provided with the adsorption hole 3021 communicated with vacuum chamber 303.Workbench 302 to be arranged in support platform 301 and to be tightly connected with support platform 301, cavity for placing workbench 302 is larger, make the vacuum chamber 303 for holding printed board large, ensure that absorption affinity is stronger, pneumatic flow is more even, thus suction is even, printed board can be held on workbench 302 more reposefully; In the present embodiment, as shown in Figure 7, described workbench 302 is provided with the adsorption hole 3021 communicated with vacuum chamber 9, for adsorbing tested product, the adsorption hole 3021 of the present embodiment is pore, and transversely with being uniformly distributed of longitudinal direction, printed board can be adsorbed better, printed board can be held more reposefully, more accurately locate the defect in printed board, the printed board epigraph that camera lens can be seen is more clear, and the image effect fed back by camera is better, ensure that maintenance is more complete, ensure the quality of printed board maintenance.
In the present embodiment, as shown in Figure 9, also comprise the getter device 600 be connected with table assembly 300, described getter device 600 comprises getter assembly 601 and holds the casing 602 of described getter assembly 601, and below casing, being provided with wheel 603, getter device is an independently structure, is installed concentratedly by getter assembly 601 by casing 602, structure is simple, and transport and easy to maintenance; Convenient carrying and transport.In the present embodiment, described getter assembly 601 comprises blower fan 6011, T-valve 6012 and exhaust box 6013, one ventilation blower 6011 of T-valve 6012 is connected, air intake opening is connected with ambient atmosphere, for ensureing dust, powder etc. enter into T-valve 6012, therefore be also provided with filtrator 6015 at the air intake opening place of T-valve 6012, the air filtered out through filter 6015 is through T-valve 6012, be connected with exhaust box 6013 from the exit of T-valve 6012 by pipeline 2 6016, the outlet of described exhaust box 6013 is connected with vacuum chamber 9 by pipeline 1, noise reduction is carried out by exhaust box 6013, ensure that the noise of air being entered into vacuum chamber 9 by pipeline 1 is little, and flowing steadily.
In the present embodiment, as shown in figures 10-13, described scanning mechanism 500 comprises the light supply apparatus 4 of imaging device 5 and auxiliary imaging devices 5, in an embodiment of the present invention, described light supply apparatus 4 comprises one group of king light assembly 42 and a pair side lamp assembly 41, wherein a pair side lamp assembly 41 is symmetrical set about the axis of imaging device 5 vertically imaging, is namely arranged on the both sides of axis.In the present embodiment, as illustrated in figures 11-16, described light supply apparatus 4 comprises at least one group of king light assembly 41 and at least one pair of side lamp assembly 42, the side lamp assembly 42 of the present embodiment is preferably three right, i.e. six groups of side lamp assemblies 42, also can be two to or four right, and each is symmetrical set about axis side lamp assembly 42, king light assembly 41 is a pair, also two groups can be arranged to as required, or it is more, in the present embodiment, king light assembly 41 and side lamp assembly 42 are supported by light source bracket assembly 43, namely be firmly arranged on light source bracket assembly 43, the light source bracket assembly 43 of the present embodiment comprises the side plate 431 and support and the bracing frame 432 of connecting lateral plate 431 that are symmetrical set, the bracing frame 432 of the present embodiment is preferably connected with four Angle Position of side plate 431, mainly play a supporting role, certainly, side plate 431 and bracing frame 432 are structure as a whole, and form the light source bracket assembly 43 for supporting.
In the present embodiment, the king light assembly 41 of the present embodiment comprises king light 1 and is arranged on the king light 2 412 of king light 1 both sides, the relative king light 1 of king light 2 412 of the present embodiment is symmetrical set, preferred king light 1 comprises luminophor 44 and supports the king light seat 1 of luminophor 44, the two ends of described king light seat 1 are respectively equipped with for the fixing connecting hole 1 of king light seat 1 facing light sources bracket component 43, the side plate 431 of same light source bracket assembly 43 is provided with the hole one of matching with connecting hole one, by securing member, king light 1 is fixedly connected on side plate 431, preferred king light 2 412 comprises luminophor 44 and supports the king light seat 2 4121 of luminophor 44, the two ends of described king light seat 2 4121 are respectively equipped with for the fixing connecting hole 2 4122 of king light seat 2 4121 facing light sources bracket component 43, the side plate 431 of same light source bracket assembly 43 is provided with the hole two of matching with connecting hole two, is fixedly connected on side plate 431 by king light 2 412 by securing member.
In the present embodiment, as shown in figs. 12-14, king light 1 and king light 2 412 carry out optically focused by the first light focusing device 413, and the first light focusing device 413 of the present embodiment comprises lens mount one assembly 4133 of the lens 1 that are set in parallel with king light 1 and king light 2 412 respectively and lens 2 4132, respectively support of lens 1 and lens 2 4132 and lens mount two assembly 4134 and the semi-reflective mirror 4135 that arranges in vertical direction with certain angle and the semi-reflective mirror mounting assembly 4136 supporting semi-reflective mirror 4135.Lens mount one assembly 4133 of the present embodiment comprises lens mount 1 and the web member 1 be connected with lens mount 1 two ends respectively, the two ends of lens mount 1 are respectively equipped with connecting hole four, web member 1 penetrates in connecting hole four, and structure is simple, biside plate 431 is provided with the mounting hole 1 that the two ends for described lens mount one assembly 4133 are installed, mounting hole 1 is passed across on biside plate 431 in the two ends of described lens mount one assembly 4133, described lens mount one assembly 4133 is fixedly connected with side plate 431 by web member 1, wherein the two ends of web member 1 are provided with connecting hole 5 41333, corresponding side plate 431 is provided with the hole three of matching with connecting hole five, penetrate connecting hole five by securing member with Kong Sanzhong, relative for web member 1 side plate 431 to be fixed, thus lens mount one assembly 4133 is firmly connected on side plate 431.In like manner, described lens mount two assembly 4134 comprises lens mount 2 41341 and the web member 2 41342 be connected with lens mount 2 41341 two ends respectively, the two ends of lens mount 2 41341 are respectively equipped with connecting hole six, and web member 2 41342 penetrates in connecting hole six, and structure is simple, biside plate 431 is provided with the mounting hole 2 4312 that the two ends for described lens mount two assembly 4134 are installed, mounting hole 2 4312 is passed across on biside plate 431 in the two ends of described lens mount two assembly 4134, described lens mount two assembly 4134 is fixedly connected with side plate 431 by web member 2 41342, wherein the two ends of web member 2 41342 are provided with connecting hole 7 41343, corresponding side plate 431 is provided with the Kong Si matched with connecting hole seven, penetrate connecting hole seven by securing member with Kong Sizhong, relative for web member 2 41342 side plate 431 to be fixed, thus lens mount two assembly 4134 is firmly connected on side plate 431.
In the present embodiment, as shown in figs. 12-14, described semi-reflective mirror mounting assembly 4136 comprises semi-reflective mirror bearing 41361 and the web member 3 41362 be connected with semi-reflective mirror bearing 41361 two ends respectively, biside plate 431 is provided with the mounting hole 3 4313 that the two ends for described semi-reflective mirror mounting assembly 4136 are installed, the two ends of described semi-reflective mirror mounting assembly 4136 are through mounting hole 3 4313 across on biside plate 431, and described semi-reflective mirror mounting assembly 4136 is fixedly connected with side plate 431 by web member 3 41362.As shown in figure 16, the web member 3 41362 of the present embodiment comprises the connecting portion 1 and the connecting portion two 41364 connected with side plate 431 that are connected with semi-reflective mirror bearing 41361 and the connecting portion 3 41365 connecting described connecting portion 1 and connecting portion 2 41364, and be structure as a whole, wherein fit outside connecting portion 1 and the end of semi-reflective mirror bearing 41361, the side of connecting portion 3 41365 and semi-reflective mirror bearing 41361 is close or fit, play the effect connecting and strengthen, connecting portion 1 is provided with the connecting hole 10 be connected with side plate 431, through connecting hole 10, web member 3 41362 is fixed on side plate 431 by securing member, one end of semi-reflective mirror bearing 41361 only needs a web member 3 41362 can firmly be connected to side plate 431, structure is simple, load and convenient disassembly, substantially increase work efficiency, connecting portion 1 and connecting portion 2 41364 that the web member 3 41362 of the present embodiment comprises, connecting portion 2 41364 and connecting portion 3 41365 junction rounded transitional, match with semi-reflective mirror bearing 41361, protect semi-reflective mirror bearing 41361 better.
In the present embodiment, the second light focusing device 422 that described side lamp assembly 42 comprises side lamp 421 and focuses on the described side lamp 421 of confession, the side lamp 421 of the present embodiment comprises luminophor 44 and supports the fender lamp base 4211 of luminophor 44, the two ends of described fender lamp base 4211 are respectively equipped with for the fixing connecting hole 3 4212 of fender lamp base 4211, the side plate 431 of same light source bracket assembly 43 is provided with the hole five of matching with connecting hole three, is fixedly connected on side plate 431 by securing member by side lamp 421, the second light focusing device 422 of the present embodiment comprises lens mount three assembly 4222 of the lens 3 4221 and support of lens 3 4221 be set in parallel with side lamp 421, described lens mount three assembly 4222 comprises lens mount 3 42221 and the web member 4 42222 be connected with lens mount 3 42221 two ends respectively, the two ends of lens mount 3 42221 are respectively equipped with connecting hole eight, web member 4 42222 penetrates in connecting hole eight, and structure is simple, biside plate 431 is provided with the mounting hole 4 4314 that the two ends for described lens mount three assembly 4222 are installed, mounting hole 4 4314 is passed across on biside plate 431 in the two ends of described lens mount three assembly 4222, described lens mount three assembly 4222 is fixedly connected with side plate 431 by web member 4 42222, wherein as shown in figure 19, the two ends of web member 4 42222 are provided with connecting hole 9 42223, corresponding side plate 431 is provided with the hole six of matching with connecting hole nine, penetrate connecting hole nine by securing member with Kong Liuzhong, relative for web member 4 42222 side plate 431 to be fixed, thus lens mount three assembly 4222 is firmly connected on side plate 431.
The preferred red-light LED light fixture of luminophor of the present embodiment.
As shown in FIG. 17 and 18, in the present embodiment, light 2 465 is obtained after light 1 scioptics 3 4221 that side lamp 421 of the present invention is launched, wherein the side lamp 421 of the present embodiment is 6 groups, light 2 465 is obtained after making focusing, the angular range that described light 2 465 covers is large, and illuminating area is large; In the present embodiment, described king light assembly 41 comprises king light 1 and king light 2 412, the light 1 that king light 1 and king light 2 412 are launched is respectively by lens 1 and lens 2 4132, obtain directional light 1, described directional light 1 is by obtaining light 3 463 after semi-reflective mirror 4135, light 3 463 transfers 90 degree again by total reflective mirror 45, aim at the center of camera lens, make the light being irradiated to testee 700 more concentrated, make the display of testee 700 more clear, thus it is more clear and accurate to scan the image obtained.
In the present embodiment, as shown in Figure 10, described scanning mechanism 500 relatively beam structure 400 moves in X direction, and sensing range is large, is suitable for the detection of the printed board of Multiple Type; Described scanning mechanism 500 also comprises the support mounting plate 7 be connected with beam structure 400, and described imaging device 5 and light supply apparatus 4 are arranged in described support mounting plate 7; Described scanning mechanism 500 by the second carriage 6 relatively beam structure move in X direction, described second carriage 6 comprise two to be arranged on beam structure 400 and the guide rail 2 61 be set in parallel be arranged in support mounting plate 7 and with the slide block 2 62 that guide rail 2 61 is slidably matched and the second driving mechanism of driving the relative beam structure 400 of described scanning mechanism 500 to move.In the present embodiment, preferably the second driving mechanism comprises motor 2 63, the screw mandrel 2 64 be connected with motor 2 63 output terminal and screw rodb base 2 65, wherein screw rodb base 2 65 is connected with beam structure 400, the relative beam structure 400 of scanning mechanism 500 is driven to move by motor 2 63, in the present embodiment, also led by the second guiding mechanism 66, ensure that scanning mechanism 500 moves more steady under the driving of motor 2 63, wherein the second guiding mechanism 66 comprises the guide 2 661 be connected with support mounting plate 7 and the guide channel 2 662 be arranged on beam structure 400, the guide channel 2 662 of the present embodiment can be directly be arranged on beam structure 400, or at the guide channel 2 662 that beam structure 400 is installed.
In the present embodiment, preferably the first driving mechanism comprises motor 1, the screw mandrel 1 be connected with motor 1 output terminal and screw rodb base 1, wherein screw rodb base 1 is connected with bottom table assembly 300, the relative table assembly 300 of base station 200 is driven to move by motor 1, in the present embodiment, also led by the first guiding mechanism 2, ensure that table assembly 300 moves more steady under the driving of motor 1, wherein the first guiding mechanism 2 comprises the guide 1 be connected with table assembly 300 and the guide channel 1 be arranged on base station 200.
In the present embodiment, described imaging device 5 comprises lens assembly 51 and the photoelectric conversion component for image being converted to electric signal, the preferred described photoelectric conversion component of the present invention is CCD assembly 52, described CCD assembly 52 is vertically moved by the 3rd carriage 8 relative support installing plate 7, according to the needs of imaging, CCD assembly 52 can carry out the adjustment on vertical direction, ensures that scanning obtains picture more clearly, ensures the quality of scanning.In the present invention, defining this direction of motion is L axle, in the present embodiment, the 3rd carriage 8 comprises two and to be arranged in support mounting plate 7 and the guide rail 3 81 be set in parallel and be arranged on CCD assembly 52 and the slide block 3 82 be slidably matched with guide rail 3 81 and the 3rd driving mechanism driving described CCD assembly 52 relative support installing plate 7 to move; In the present embodiment, preferably the first driving mechanism comprises motor 3 83, the screw mandrel 3 84 be connected with motor 3 83 output terminal and screw rodb base 3 85, wherein screw rodb base 3 85 is connected with support mounting plate 7, is moved along L axle by motor 3 83 driven CCD assembly 52 relative support installing plate 7.
In like manner, described lens assembly 51 is vertically moved by the 4th carriage 9 relative support installing plate 7, and defining this direction of motion is C axle; Adjustable lens assembly 51, is suitable for the adjustment of detected printed board of different-thickness, gear.Described 4th carriage 9 comprises at least two and to be arranged in support mounting plate 7 and the guide rail 4 91 be set in parallel and be arranged on lens assembly 51 and the slide block 4 92 be slidably matched with guide rail 4 91 and the four-wheel drive mechanism driving described lens assembly 51 relative support installing plate 7 to move.In the present embodiment, preferably four-wheel drive mechanism comprises motor 4 93, the screw mandrel 4 94 be connected with motor 4 93 output terminal and screw rodb base 4 95, wherein screw rodb base 4 95 is connected with support mounting plate 7, drives lens assembly 51 relative support installing plate 7 to move along C axle by motor 4 93.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. an optical detector, comprise frame, be arranged on base station above frame, be arranged on base station and the table assembly that moves along Y-direction of base station and the beam structure that is arranged on above table assembly relatively, it is characterized in that: also comprise the scanning mechanism be arranged on beam structure, the relative beam structure of described scanning mechanism moves in X direction; Described scanning mechanism comprises the light supply apparatus of imaging device and auxiliary imaging devices, described light supply apparatus comprises at least one group of king light assembly and at least one pair of side lamp assembly and supports the light source bracket assembly of king light assembly and side lamp assembly, and described one group of king light assembly comprises king light one and is arranged on king light one both sides and the first light focusing device of the king light two that is symmetrical set of relative king light and confession king light one and king light two focusing.
2. optical detector according to claim 1, is characterized in that: described king light one comprises luminophor and supports the king light seat one of luminophor, and the two ends of described king light seat one are respectively equipped with for the fixing connecting hole one of king light seat one facing light sources bracket component; Described king light two comprises luminophor and supports the king light seat two of luminophor, and the two ends of described king light seat two are respectively equipped with for king light seat two connecting hole two that light source bracket assembly is fixing relatively.
3. optical detector according to claim 2, is characterized in that: described first light focusing device comprises lens mount one assembly of the lens one that are set in parallel with king light one and king light two respectively and lens two, respectively support of lens one and lens two and lens mount two assembly and the semi-reflective mirror that arranges in vertical direction with certain angle and the semi-reflective mirror mounting assembly supporting semi-reflective mirror.
4. optical detector according to claim 3, it is characterized in that: described light source bracket assembly comprises the side plate be symmetrical set, the mounting hole three that described biside plate is provided with the mounting hole one installed at the two ends for described lens mount one assembly and the two ends of the mounting hole two installed for the two ends of described lens mount two assembly and semi-reflective mirror mounting assembly semi-reflective mirror mounting assembly are installed; Described lens mount one assembly comprises lens mount one and the web member one be connected with lens mount one two ends respectively, and described lens mount one assembly is fixedly connected with side plate by web member one; Described lens mount two assembly comprises lens mount two and the web member two be connected with lens mount two two ends respectively, and described lens mount two assembly is fixedly connected with side plate by web member two; Described semi-reflective mirror mounting assembly comprises semi-reflective mirror bearing and the web member three be connected with semi-reflective mirror bearing two ends respectively, and described semi-reflective mirror mounting assembly is fixedly connected with side plate by web member three.
5. optical detector according to claim 4, it is characterized in that: described side lamp assembly is symmetrical set about the axis of imaging device, the second light focusing device that described side lamp assembly comprises side lamp and focuses on the described side lamp of confession, described side lamp comprises luminophor and supports the fender lamp base of luminophor, and the two ends of described fender lamp base are respectively equipped with for the fixing connecting hole three of fender lamp base; Described second light focusing device comprises lens mount three assembly of the lens three and support of lens three be set in parallel with side lamp, described lens mount three assembly comprises lens mount three and the web member three be connected with lens mount three two ends respectively, and described lens mount three assembly is fixedly connected with side plate by web member three.
6. the optical detector according to any one of claim 1-5, it is characterized in that: described table assembly is moved along Y-direction by the relative base station of the first carriage, described first carriage comprise at least two to be arranged on base station and the guide rail one be set in parallel be arranged on table assembly and with the slide block one that guide rail one is slidably matched and the first driving mechanism of driving the relative base station of described table assembly to move.
7. optical detector according to claim 6, is characterized in that: described scanning mechanism also comprises the support mounting plate be connected with beam structure, and described imaging device and light supply apparatus are arranged in described support mounting plate; Described scanning mechanism is moved in X direction by the relative crossbeam of the second carriage, described second carriage comprise at least two to be arranged on beam structure and the guide rail two be set in parallel be arranged in support mounting plate and with the slide block two that guide rail two is slidably matched and the second driving mechanism of driving the relative beam structure of described scanning mechanism to move.
8. optical detector according to claim 1, it is characterized in that: described imaging device comprises lens assembly and the photoelectric conversion component for image being converted to electric signal, described photoelectric conversion component is vertically moved by the 3rd carriage relative support installing plate, and described lens assembly is vertically moved by the 4th carriage relative support installing plate.
9. optical detector according to claim 8, it is characterized in that: described photoelectric conversion component is CCD assembly, described 3rd carriage comprises at least two and to be arranged in support mounting plate and the guide rail three be set in parallel and be arranged on CCD assembly and the slide block three be slidably matched with guide rail three and the 3rd driving mechanism driving described CCD assembly relative support installing plate to move; Described 4th carriage comprises at least two and to be arranged in support mounting plate and the guide rail four be set in parallel and be arranged on lens assembly and the slide block four be slidably matched with guide rail four and the four-wheel drive mechanism driving described lens assembly relative support installing plate to move.
10. optical detector according to claim 1, it is characterized in that: described table assembly is vacuum platform, also comprise the getter device be connected with table assembly, described getter device comprises getter assembly and holds the casing of described getter assembly, described getter assembly comprises blower fan, T-valve and exhaust box, described T-valve is connected with blower fan, exhaust box and the external world respectively, and the outlet of described exhaust box is connected with vacuum chamber by pipeline one.
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| CN201510678964.6A CN105334229A (en) | 2015-10-19 | 2015-10-19 | Optical detector |
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| CN201510678964.6A CN105334229A (en) | 2015-10-19 | 2015-10-19 | Optical detector |
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Application publication date: 20160217 |