CN113447499A - Optical detection equipment and automatic detection system - Google Patents
Optical detection equipment and automatic detection system Download PDFInfo
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- CN113447499A CN113447499A CN202110710284.3A CN202110710284A CN113447499A CN 113447499 A CN113447499 A CN 113447499A CN 202110710284 A CN202110710284 A CN 202110710284A CN 113447499 A CN113447499 A CN 113447499A
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- 238000001514 detection method Methods 0.000 title claims abstract description 92
- 230000003287 optical effect Effects 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 119
- 238000003825 pressing Methods 0.000 claims description 62
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000007689 inspection Methods 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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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
- G01N21/84—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
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
- G01N2021/95653—Through-holes
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Abstract
The invention relates to the technical field of detection, in particular to optical detection equipment and an automatic detection system. The optical detection equipment comprises a machine table, a platform device and a cover plate device, wherein the platform device comprises a support plate assembly and a support plate translation driving mechanism; the cover plate device comprises a cover plate assembly, a cover plate translation driving mechanism and a cover plate lifting driving mechanism; when the output end of the cover plate lifting driving mechanism is connected with the cover plate assembly, the cover plate translation driving mechanism can drive the cover plate lifting driving mechanism to drive the cover plate assembly to move along a horizontal first direction, so that the cover plate assembly and the support plate assembly are arranged in a staggered or overlapped mode to facilitate automatic loading and unloading, and the cover plate lifting driving mechanism can drive the cover plate assembly to lift along a vertical direction to be supported on the support plate assembly; when the output end of the cover plate lifting driving mechanism is separated from the cover plate assembly, the cover plate assembly is supported on the support plate assembly and can move along the horizontal first direction along with the support plate assembly, so that optical detection is facilitated.
Description
Technical Field
The invention relates to the technical field of detection, in particular to optical detection equipment and an automatic detection system.
Background
At present, the demand for PCBs is increasing due to the drive of the 5G and artificial intelligence industries. There is an increasing production of PCBs. And the requirement for PCB refinement is higher and higher. The accuracy of PCBs has now been developed to a minimum aperture of 0.08mm, a minimum aperture spacing of 0.1mm or even higher. Drilling is an important step in PCB manufacture, and in addition to via holes, part holes, and also slotted holes, profile holes, board profiles, etc., need to be inspected. How to efficiently and accurately detect the drilling quality of the PCB is an important link for ensuring the product quality.
The existing automatic optical detection equipment for PCB drilling generally adopts a mode of adding a glass cover plate to a glass platform for detection, the cover plate mostly adopts an inclined strut opening and closing mode, the equipment is only suitable for manual feeding and discharging detection, and a feeding area and a discharging area are overlapped, so that the efficiency is low.
Therefore, there is a high necessity for an optical inspection apparatus to solve the above problems.
Disclosure of Invention
The invention aims to provide optical detection equipment, which has good grafting performance by changing the opening and closing mode of a cover plate, can ensure the convenience of automatic feeding and discharging and improve the operation efficiency.
Another objective of the present invention is to provide an automatic detection system, which can achieve automatic loading and unloading and automatic detection by using the above optical detection apparatus, effectively reduce production time, and achieve high operation efficiency.
In order to realize the purpose, the following technical scheme is provided:
in a first aspect, there is provided an optical detection apparatus comprising:
a machine platform;
the carrier platform device comprises a carrier plate assembly and a carrier plate translation driving mechanism, wherein the carrier plate assembly is used for bearing a piece to be detected, the carrier plate translation driving mechanism is arranged on the machine platform, and the carrier plate translation driving mechanism is used for driving the carrier plate assembly to move along a horizontal first direction;
the cover plate device comprises a cover plate assembly, a cover plate translation driving mechanism and a cover plate lifting driving mechanism, wherein the cover plate translation driving mechanism is arranged on the machine table, the cover plate lifting driving mechanism is arranged on the output end of the cover plate translation driving mechanism, and the output end of the cover plate lifting driving mechanism is detachably connected with the cover plate assembly.
As an alternative to the optical inspection apparatus, the optical inspection apparatus further comprises a pressing mechanism for pressing the carrier plate assembly and the cover plate assembly together.
As an alternative to the optical detection device, the pressing mechanism includes:
the pressing driving piece is arranged on the carrier plate assembly;
the pressing block is arranged on the output end of the compression driving piece;
and the pressure bearing block is arranged on the cover plate assembly, and when the cover plate assembly is supported on the carrier plate assembly, the pressing driving piece can drive the pressing block to downwards move along the vertical direction and press the pressing block on the pressure bearing block, so that the cover plate assembly presses the carrier plate assembly.
As an alternative to the optical detection device, the pressing drive may also drive the pressing block to rotate in a horizontal plane, so that the pressing block can be arranged opposite to the bearing block, or so that the pressing block is retracted from the bearing block.
As an alternative of the optical detection device, the pressure-bearing block includes a connecting portion and a pressure-bearing portion, the connecting portion is fixed on the cover plate assembly, the pressure-bearing portion is parallel to the cover plate assembly, and the pressure block can be pressed on the pressure-bearing portion.
As an alternative of the optical detection device, the stage device further includes a workbench, an output end of the support plate translation driving mechanism is connected with the workbench, and the support plate assembly is fixed on the workbench.
As an alternative to the optical detection apparatus, the optical detection apparatus further comprises a detection mechanism, and the first position and the second position are respectively located at both ends of the detection mechanism in a horizontal first direction.
As an alternative to the optical inspection apparatus, when the output end of the cover plate lifting driving mechanism is connected to the cover plate assembly, the cover plate translation driving mechanism can drive the cover plate lifting driving mechanism and the cover plate assembly to move between a first position and a second position on the machine table along a horizontal first direction, the cover plate assembly can cover the carrier plate assembly at the first position or can be staggered with the carrier plate assembly along the horizontal first direction, the cover plate assembly can cover the carrier plate assembly at the second position or can be staggered with the carrier plate assembly along the horizontal first direction, and when the cover plate assembly is staggered with the carrier plate assembly, the to-be-inspected member can be placed on the carrier plate assembly or the to-be-inspected member on the carrier plate assembly can be removed; when the output end of the cover plate lifting driving mechanism is separated from the cover plate assembly, the cover plate assembly is supported on the carrier plate assembly and can move along the horizontal first direction along with the carrier plate assembly.
As an alternative to the optical inspection apparatus, the cover plate lifting drive mechanism may drive the cover plate assembly to be lifted in a vertical direction away from or supported on the carrier plate assembly, the cover plate lifting drive mechanism including:
the lifting driving piece is arranged at the output end of the cover plate translation driving mechanism;
the supporting plate is arranged at the output end of the lifting driving piece;
the plug-in component comprises a plug connector and a plug hole, one of the plug connector and the plug hole is arranged on the supporting plate, the other one of the plug connector and the plug hole is arranged on the cover plate component, and the lifting driving piece can drive the supporting plate to lift so that the plug connector and the plug hole can be detachably connected.
As an alternative of the optical detection device, the cover plate assembly comprises a glass cover plate, a cover plate frame and a connecting plate, the connecting plate is arranged on each of two sides of the glass cover plate along a horizontal second direction, one or more plug-in holes are formed in the connecting plate, and the plug connectors arranged corresponding to the plug-in holes are arranged on the supporting plate.
As an alternative to the optical detection apparatus, the cover plate translation drive mechanism includes:
the power assembly is arranged on the machine table;
the guide assembly comprises a guide rail and a sliding block which are in sliding fit, the guide rail is arranged on the machine table along a horizontal first direction, the sliding block is used for installing an cover plate lifting driving mechanism, and the power assembly can drive the sliding block to drive the cover plate lifting driving mechanism to move along the guide rail.
As an alternative of the optical detection device, the cover plate translation driving mechanism further comprises a transmission assembly, at least two sets of the guide assemblies are respectively arranged on two sides of the cover plate assembly along the horizontal second direction, and the power assembly can simultaneously drive the sliding blocks in the two sets of the guide assemblies to move along the guide rail through the transmission assembly.
As an alternative of the optical detection device, the power assembly comprises a servo motor and a transmission shaft, and the transmission assembly is a belt transmission assembly in transmission connection with the transmission shaft;
or the power assembly comprises a servo motor, and the transmission assembly is a screw rod transmission assembly;
or, the power assembly comprises a servo motor and a moving guide rail fixed on the machine table, the servo motor is arranged on the moving guide rail in a sliding mode, and the transmission assembly is a rack transmission assembly.
In a second aspect, an automatic detection system is provided, which includes a feeding device, a discharging device and the optical detection device as described above, where the feeding device and the discharging device are respectively located at two ends of the optical detection device along the horizontal first direction, the feeding device conveys the to-be-detected object to the optical detection device from the horizontal first direction, and the discharging device conveys the to-be-detected object on the optical detection device out of the optical detection device from the horizontal first direction.
Compared with the prior art, the invention has the beneficial effects that:
according to the optical detection equipment provided by the invention, the carrying platform device and the cover plate device which can move relatively independently and can also move synchronously are arranged, and the cover plate assembly and the support plate assembly can be overlapped and dislocated at the first position and the second position on the machine table, so that the machine table can be used for loading and unloading plates at two ends, the convenience of loading and unloading plates is ensured, the requirement on automatic production is met, the waiting time is reduced, and the detection efficiency is effectively improved.
The automatic detection system provided by the invention can realize automatic feeding and discharging and automatic detection by applying the optical detection equipment, effectively reduces the production beat and further effectively improves the operation efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a feeding state of an optical detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a detection state of an optical detection apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a blanking state of the optical detection apparatus according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an optical inspection apparatus provided in an embodiment of the present invention, without a cover plate device;
fig. 5 is a schematic structural diagram of a carrier board assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cover plate device according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a cover plate assembly according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an automatic detection system according to an embodiment of the present invention.
Reference numerals:
100-feeding equipment; 200-an optical detection device; 300-blanking equipment; 400-a piece to be detected;
1-a machine platform;
2-a workbench;
3-a carrier plate assembly; 31-a glass carrier plate; 32-a carrier frame; 33-a support arm;
4-a carrier plate translation driving mechanism; 41-linear drive; 42-carrier guide assembly; 421-carrier plate guide rail; 422-carrier plate slide block;
5-a cover plate assembly; 51-a glass cover plate; 52-cover plate frame; 53-connecting plate;
6-a cover plate translation driving mechanism; 61-a power assembly; 611-a servo motor; 612-right angle reducer; 613-drive shaft; 62-a transmission assembly; 621-driving pulley; 622-belt; 623-a tensioning wheel; 624-clamping block; 625-a driven pulley; 63-a guide assembly; 631-a guide rail; 632-a slider;
7-cover plate lifting driving mechanism; 71-a lifting drive; 72-a support plate; 73-a plug-in assembly; 731-plug-in unit; 732-plug holes;
8-a pressing mechanism; 81-compacting the driving element; 82-briquetting; 83-a pressure-bearing block; 831-a connecting portion; 832-bearing part;
9-a detection mechanism; 91-a linear light source; 92-line scan camera.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 4, the present embodiment further provides an optical detection apparatus 200, which includes a machine table 1, a stage device, a cover plate device, and a detection mechanism 9, where the stage device and the cover plate device cooperate to clamp an object 400 to be detected, and then the detection mechanism 9 detects the object 400 to be detected.
The object 400 to be detected may be a plate-shaped object such as a PCB that needs to be optically detected.
In order to improve the detection efficiency, the carrier device comprises a carrier plate assembly 3 and a carrier plate translation driving mechanism 4, wherein the carrier plate assembly 3 is used for bearing the piece 400 to be detected, the carrier plate translation driving mechanism 4 is arranged on the machine table 1, and the carrier plate translation driving mechanism 4 is used for driving the carrier plate assembly 3 to move along a horizontal first direction; the cover plate device comprises a cover plate component 5, a cover plate translation driving mechanism 6 and a cover plate lifting driving mechanism 7, wherein the cover plate translation driving mechanism 6 is arranged on the machine table 1, the cover plate lifting driving mechanism 7 is arranged at the output end of the cover plate translation driving mechanism 6, and the output end of the cover plate lifting driving mechanism 7 is detachably connected with the cover plate component 5; when the output end of the cover plate lifting driving mechanism 7 is connected with the cover plate assembly 5, the cover plate translation driving mechanism 6 can drive the cover plate lifting driving mechanism 7 to drive the cover plate assembly 5 to move along the horizontal first direction, and the cover plate lifting driving mechanism 7 can drive the cover plate assembly 5 to lift along the vertical direction to be far away from or supported on the support plate assembly 3; when the output end of the lid lifting driving mechanism 7 is separated from the lid assembly 5, the lid assembly 5 is supported on the carrier assembly 3 and can move along the horizontal first direction along with the carrier assembly 3.
It is noted that the "horizontal first direction" is parallel to the direction from the upstream to the downstream of the optical detection device 200, i.e., parallel to the direction from the first position to the second position.
In the working process, the cover plate assembly 5 can have a first state and a second state through the arrangement of the cover plate translation driving mechanism 6 and the cover plate lifting driving mechanism 7, wherein in the first state, the cover plate assembly 5 and the support plate assembly 3 are arranged in a staggered mode, and no barrier is arranged above the support plate assembly 3, so that automatic loading and unloading are facilitated, and the loading and unloading efficiency is improved; in the second state, the cover plate assembly 5 overlaps the carrier plate assembly 3 and is supported on the carrier plate assembly 3, and then the carrier plate assembly 3 is driven by the carrier plate translation driving mechanism 4 to drive the cover plate assembly 5 to move synchronously, so that the to-be-detected part 400 between the cover plate assembly 5 and the carrier plate assembly 3 is ensured to be kept stable, optical detection is facilitated, and detection quality is improved. Because the motion power of the cover plate component 5 and the carrier plate component 3 is supplied separately and is not different from each other, the feeding and discharging do not need to wait, and the production efficiency is high.
The optical detection equipment that this embodiment provided compares among the prior art technical scheme that 6 setting of apron translation mechanism are on the microscope carrier device, can realize going on unloading at the both ends of the first direction of optical detection equipment's level, and the structure is compacter, and the complete machine volume is littleer.
Specifically, the cover plate translation driving mechanism 6 can drive the cover plate assembly 5 to move between a first position and a second position on the machine platform 1, where the first position and the second position are respectively located at two ends of the machine platform 1 along the horizontal first direction, for example, the first position and the second position may be set as extreme movement positions of the cover plate assembly 5 and the carrier plate assembly 3 at two ends of the machine platform 1. Wherein, apron subassembly 5 can cover support plate subassembly 3 or stagger with support plate subassembly 3 when first position department to carry out optical inspection or be convenient for wait to detect the automation of piece 400 and go up unloading, apron subassembly 5 also can cover support plate subassembly 3 or stagger with support plate subassembly 3 in second position department, in order to carry out optical inspection, or be convenient for wait to detect the automation of piece 400 and go up unloading. By staggered is meant that the cover plate assembly 5 and the carrier plate assembly 3 do not substantially overlap or at least partially overlap.
In addition, it should be noted that, the loading and unloading can be performed at both the first position and the second position, which depends on the position of the loading and unloading machine for arranging the cloth. The apron device and the support plate device that this embodiment provided can also be applied to on other automated inspection production lines, belong to preceding upper and lower back mode, have effectively reduced the production beat, improve production efficiency.
The detection mechanism 9 includes a linear light source 91 and a line scan camera 92, wherein the linear light source 91 is disposed above the cover plate assembly 5 through a gantry, the line scan camera 92 is disposed below the carrier plate assembly 3, and the line scan camera 92 cooperates with the linear light source 91 to optically detect the to-be-detected piece 400 (which may be a circuit board). Further, the first position and the second position are distributed at two ends of the detecting mechanism 9 along the horizontal first direction, so as to ensure that the detecting mechanism 9 can detect the piece 400 to be detected.
Illustratively, the machine table 1 may include a marble table and a base welded by metal members, so as to ensure the stability of the whole optical detection apparatus 200.
In order to ensure that the support plate component 3 can better support the piece 400 to be detected and can better and fully flatten the piece 400 to be detected in cooperation with the cover plate component 5, the platform deck device further comprises a workbench 2, the output end of the support plate translation driving mechanism 4 is connected with the workbench 2, and the support plate component 3 is fixed on the workbench 2.
Alternatively, as shown in fig. 4, the carrier plate translation driving mechanism 4 includes a linear driving element 41 and a carrier plate guiding assembly 42, and an output end of the linear driving element 41 is fixedly connected to the working table 2 to drive the carrier plate assembly 3 to move along the horizontal first direction. The carrier guide assembly 42 includes a carrier guide rail 421 and a carrier slider 422, the carrier guide rail 421 is fixed on the machine table 1 along the horizontal first direction, and the carrier slider 422 is in sliding fit with the machine table and is fixedly connected to the workbench 2, so that the workbench 2 can move along the horizontal first direction stably.
Illustratively, there are two sets of carrier guide assemblies 42, and the two sets of carrier guide assemblies 42 are respectively disposed on two sides of the worktable 2.
In order to fix the cover plate assembly 5 and the carrier plate assembly 3 together, the optical inspection apparatus 200 further includes a pressing mechanism 8, and the pressing mechanism 8 is used for fixing and pressing the carrier plate assembly 3 and the cover plate assembly 5 together, so that the two can move synchronously, and the inspection by the inspection mechanism 9 is facilitated.
Alternatively, as shown in fig. 5 to 7, the pressing mechanism 8 includes a pressing driving member 81, a pressing block 82 and a bearing block 83, the pressing driving member 81 is disposed on the carrier plate assembly 3; the pressing block 82 is arranged on the output end of the pressing driving piece 81; the bearing block 83 is provided on the lid assembly 5, and when the lid assembly 5 is supported on the carrier assembly 3, the pressing driving member 81 can drive the pressing block 82 to move downward in the vertical direction and press against the bearing block 83, so that the lid assembly 5 presses against the carrier assembly 3.
It is further preferred that the pressing driving member 81 is further capable of driving the pressing block 82 to rotate in the horizontal plane, so that the pressing block 82 can be disposed opposite to the bearing block 83, or the pressing block 82 can be disposed away from the bearing block 83.
Illustratively, the pressure-bearing block 83 includes a connecting portion 831 and a pressure-bearing portion 832, the connecting portion 831 is fixed on the cover assembly 5, the pressure-bearing portion 832 is arranged in parallel with the cover assembly 5, and the pressure block 82 can be pressed on the pressure-bearing portion 832. Preferably, the pressure bearing portion 832 extends toward the inner side of the cover plate assembly 5, the end portion of the pressing piece 82 extends toward the outer side of the carrier plate assembly 3, and the pressing piece 82 can be pressed against the pressure bearing portion 832.
In the working process, the initial state of the pressing block 82 is parallel to the horizontal first direction of the machine table 1, when the cover plate assembly 5 is separated from the output end of the cover plate lifting driving mechanism 7 and is supported on the carrier plate assembly 3, the pressing driving member 81 drives the pressing block 82 to rotate 90 degrees counterclockwise or clockwise, so that the pressing block 82 corresponds to the pressure bearing portion 832, and then the pressing driving member 81 drives the pressing block 82 to move downwards and press the pressing block 832, so that the cover plate assembly 5 is pressed on the carrier plate assembly 3.
Alternatively, the number of the pressing mechanisms 8 may be multiple, and the multiple pressing mechanisms 8 are uniformly arranged on the peripheral side of the carrier plate assembly 3 or the cover plate assembly 5, so that the two are uniformly stressed. The number of hold-down mechanisms 8 is illustratively four, arranged at the four corners of the carrier plate assembly 3 or the change assembly 5.
Alternatively, the pressing driving member 81 may be a rotary lifting cylinder, which can drive the pressing block 82 to rotate in the horizontal plane and can drive the pressing block 82 to lift in the vertical direction.
Preferably, carrier plate assembly 3 includes a glass carrier plate 31, a carrier plate frame 32 and a support arm 33, wherein carrier plate frame 32 is disposed around glass carrier plate 31, and support arm 33 is disposed on carrier plate frame 32. The pressing driving member 81 of the pressing mechanism 8 is fixed on the supporting arm 33, and the output end of the pressing driving member 81 is fixedly connected with the pressing block 82.
The support arm 33 may be, for example, Z-shaped to facilitate the positioning of the press drive 81 outside the carrier plate assembly 3.
Optionally, the cover plate lifting driving mechanism 7 comprises a lifting driving member 71, a supporting plate 72 and a plugging assembly 73, wherein the lifting driving member 71 is arranged on the output end of the cover plate translation driving mechanism 6; the support plate 72 is provided on the output end of the elevation driving member 71; the plug assembly 73 includes a plug piece 731 and a plug hole 732, one of the plug piece 731 and the plug hole 732 is disposed on the supporting plate 72, and the other is disposed on the cover assembly 5, and the lifting driving member 71 can drive the supporting plate 72 to lift and lower, so that the plug piece 731 and the plug hole 732 can be detachably connected.
In this embodiment, the plug element 731 is disposed on the supporting plate 72, the insertion hole 732 is disposed on the cover plate assembly 5, and the lifting driving element 71 drives the supporting plate 72 to lift, so that the plug element 731 is inserted into the insertion hole 732, and the cover plate translation driving mechanism 6 drives the cover plate lifting driving mechanism 7 to drive the cover plate assembly 5 to move along the horizontal first direction; or the plug-in part 731 is lowered to separate from the plug-in hole 732, then the pressing mechanism 8 presses the cover plate assembly 5 onto the carrier plate assembly 3, and the carrier plate translation driving mechanism 4 drives the carrier plate assembly 3 and the cover plate assembly 5 to synchronously translate along the horizontal first direction.
Preferably, the cover plate assembly 5 includes a glass cover plate 51, a cover plate frame 52 and a connecting plate 53, the connecting plate 53 is disposed on the cover plate frame 52 on both sides of the glass cover plate 51 along the horizontal second direction, one or more insertion holes 732 are disposed on the connecting plate 53, and the insertion parts 731 disposed corresponding to the insertion holes 732 are disposed on the support plate 72.
Optionally, the cover plate translation driving mechanism 6 includes a power assembly 61 and a guide assembly 63, and the power assembly 61 is disposed on the machine table 1; guide assembly 63 includes sliding fit's guide rail 631 and slider 632, and guide rail 631 sets up on board 1 along the first direction of level, and slider 632 is used for installing apron lift actuating mechanism 7, and power component 61 can drive slider 632 and drive apron lift actuating mechanism 7 and remove along guide rail 631.
The cover plate translation driving mechanism 6 further comprises a transmission assembly 62, at least two sets of guide assemblies 63 are respectively arranged on two sides of the cover plate assembly 5 along the horizontal second direction, and the power assembly 61 can simultaneously drive the sliding blocks 632 in the two sets of guide assemblies 63 to move along the guide rails 631 through the transmission assembly 62. In addition, through setting up two sets of direction subassemblies 63, can also prevent that apron subassembly 5 from moving the in-process off tracking along horizontal first direction, influencing the testing result.
Alternatively, the power assembly 61 includes a servo motor 611, a right-angle reducer 612 and a transmission shaft 613, the servo motor 611 drives the transmission shaft 613 to rotate through the right-angle reducer 612, and then the transmission assembly 62 is driven to move by the transmission shaft 613.
Alternatively, the transmission assembly 62 may be a belt transmission assembly, and includes a driving pulley 621, a belt 622, a tension pulley 623, a clamping block 624, and a driven pulley 625, wherein the driving pulley 621 is in keyway connection with the transmission shaft 613, the driven pulley 625 is disposed on the machine platform 1 through a bracket, the belt 622 is wound on the driving pulley 621 and the driven pulley 625, and the tension pulley 623 is used for tensioning the belt 622; the clamping block 624 is fixed on the belt 622, and the clamping block 624 is fixedly connected with the sliding block 632. When the driving pulley 621 is driven by the driving shaft 613 to rotate, the belt 622 drives the clamping block 624 thereon to move along the horizontal first direction, so that the slider 632 moves along the horizontal first direction.
Optionally, the transmission assembly 62 may also be a screw transmission assembly, which includes a screw and a nut, the nut is fixedly connected to the slider 632, the power assembly 61 includes a servo motor, the servo motor can drive the screw to rotate through a gear mechanism, and then the nut drives the slider 632 to move along the horizontal first direction.
Alternatively, the transmission assembly 62 may also be a rack-and-pinion transmission assembly, which includes a rack and a pinion, the rack is fixed on the machine platform 1, the pinion is fixedly connected to the sliding block 632 through the connecting plate 53, and then the pinion is driven by the power assembly 61 to move along the rack. At this moment, the power assembly comprises a servo motor and a motion guide rail fixed on the machine table 1, and the servo motor is arranged on the motion guide rail in a sliding mode.
The detection process of the optical detection apparatus 200 of the present embodiment is as follows:
1. initially, the carrier plate assembly 3 is located at a first position of the machine table 1, the cover plate lifting driving mechanism 7 jacks up the cover plate assembly 5 at the moment, meanwhile, the cover plate translation driving mechanism 6 drives the cover plate assembly 5 to move to a second position, the cover plate assembly 5 and the carrier plate assembly 3 are staggered at the moment, and the to-be-detected piece 400 is placed on the carrier plate assembly 3 manually or by a machine;
2. the cover plate translation driving mechanism 6 drives the cover plate assembly 5 to move to the first position, after the cover plate translation driving mechanism 6 is in place, the cover plate lifting driving mechanism 7 drives the cover plate assembly 5 to descend, and after the cover plate assembly 5 is stacked on the carrier plate assembly 3 and presses the piece to be detected 400, the output end of the lifting driving piece 71 of the cover plate lifting driving mechanism 7 continues to descend so that the plug pieces 731 on the support plate 72 are separated from the plug holes 732;
3. the pressing block 82 is driven by the pressing driving element 81 to rotate 90 degrees anticlockwise or clockwise, and then the pressing block 82 is driven by the pressing driving element 81 to move downwards and press on the pressure bearing portion 832, so that the cover plate assembly 5 is pressed on the carrier plate assembly 3;
4. the carrier plate translation driving mechanism 4 drives the carrier plate assembly 3 and the cover plate assembly 5 to move from the first position to the second position synchronously, and at this time, the to-be-detected part 400 passes through the line scanning camera 92 to complete detection.
5. After the detection is finished, the pressing driving member 81 drives the pressing block 82 to ascend and rotate for 90 degrees so that the pressing block 82 is separated from the pressure bearing portion 832 and does not interfere with the pressure bearing portion, the cover plate lifting driving mechanism 7 jacks up the cover plate assembly 5 at the moment, meanwhile, the cover plate translation driving mechanism 6 drives the cover plate assembly 5 to move to the first position, the support plate assembly 3 and the cover plate assembly 5 are staggered at the moment, and the to-be-detected piece 400 of the support plate assembly 3 can be taken out manually or by a machine.
As shown in fig. 8, the present embodiment provides an automatic detection system, which includes a feeding apparatus 100, a discharging apparatus 300, and an optical detection apparatus 200, where the feeding apparatus 100 and the discharging apparatus 300 are respectively located at two ends of the optical detection apparatus 200 along the horizontal first direction. The feeding device 100 is located upstream of the optical detection device 200, and is configured to automatically feed the optical detection device 200, for example, at this time, the feeding device 100 is docked at a first position of the machine 1; the blanking device 300 is located downstream of the optical inspection device 200, and is used for automatically blanking the workpiece that has been inspected on the optical inspection device 200, for example, when the blanking device 300 is docked at the second position of the machine base 1.
The automatic detection system provided by the embodiment can realize automatic feeding and discharging and optical detection, and is high in operation efficiency.
For convenience of understanding, taking the to-be-detected piece 400 as a circuit board as an example, the working principle of the automatic detection system provided by the embodiment is as follows:
the moving direction of the workbench 2 in the optical detection device 200 is the same as the transmission direction of the circuit board, and the circuit board can be directly discharged after being fed upstream of the optical detection device 200 and moving downstream of the optical detection device 200 through detection, so that the production beat is effectively reduced, and the production efficiency is improved. The feeding device 100 includes a first housing, and a feeder (for placing a circuit board to be detected), a first manipulator, and a lifting mechanism (for lifting the stacked piece 400 to be detected integrally) disposed in the first housing. The blanking device 300 includes a second housing, and a collector (for placing the tested circuit board) and a second manipulator disposed in the second housing. During feeding, the circuit board in the feeding device 100 is grabbed to the carrier plate assembly 3 by the feeding device 100 through the manipulator, and during discharging, the circuit board detected by the discharging device 300 is grabbed to a good product or a defective product station in the device for storage through the manipulator.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (11)
1. An optical inspection apparatus, comprising:
a machine table (1);
the carrier platform device comprises a carrier plate component (3) and a carrier plate translation driving mechanism (4), wherein the carrier plate component (3) is used for bearing a piece to be detected (400), the carrier plate translation driving mechanism (4) is arranged on the machine table (1), and the carrier plate translation driving mechanism (4) is used for driving the carrier plate component (3) to move along a horizontal first direction;
the cover plate device comprises a cover plate assembly (5), a cover plate translation driving mechanism (6) and a cover plate lifting driving mechanism (7), wherein the cover plate translation driving mechanism (6) is arranged on the machine table (1), the cover plate lifting driving mechanism (7) is arranged on the output end of the cover plate translation driving mechanism (6), and the output end of the cover plate lifting driving mechanism (7) is detachably connected with the cover plate assembly (5).
2. The optical inspection apparatus according to claim 1, further comprising a pressing mechanism (8), the pressing mechanism (8) being configured to press the carrier plate assembly (3) and the cover plate assembly (5) together; the pressing mechanism (8) includes:
the pressing driving piece (81) is arranged on the carrier plate assembly (3);
a pressure piece (82) arranged on the output end of the compression driving piece (81);
and the pressure bearing block (83) is arranged on the cover plate assembly (5), and when the cover plate assembly (5) is supported on the carrier plate assembly (3), the pressing driving piece (81) can drive the pressing block (82) to move downwards along the vertical direction and press the pressing block (82) on the pressure bearing block (83), so that the cover plate assembly (5) is pressed on the carrier plate assembly (3).
3. Optical detection device according to claim 2, characterized in that the pressing drive (81) is also capable of driving the pressure piece (82) to rotate in a horizontal plane, so that the pressure piece (82) can be arranged opposite the pressure block (83) or the pressure piece (82) is moved clear of the pressure block (83).
4. The optical detection apparatus according to claim 3, wherein the pressure bearing block (83) includes a connecting portion (831) and a pressure bearing portion (832), the connecting portion (831) is fixed on the cover plate assembly (5), the pressure bearing portion (832) is disposed in parallel with the cover plate assembly (5), and the pressure bearing portion (82) can be pressed against the pressure bearing portion (832).
5. The optical detection device according to claim 1, characterized in that it further comprises a detection mechanism (9), said first and second positions being respectively located at the two ends of said detection mechanism (9) in a horizontal first direction;
when the output end of the cover plate lifting driving mechanism (7) is connected with the cover plate component (5), the cover plate translation driving mechanism (6) can drive the cover plate lifting driving mechanism (7) and the cover plate assembly (5) to move between a first position and a second position on the machine table (1) along a horizontal first direction, the cover plate component (5) can cover the carrier plate component (3) at the first position or can be staggered with the carrier plate component (3) along the horizontal first direction, the cover plate component (5) can cover the carrier plate component (3) at the second position or can be staggered with the carrier plate component (3) along the horizontal first direction, when the cover plate assembly (5) and the carrier plate assembly (3) are staggered, a piece (400) to be detected can be placed on the carrier plate assembly (3) or the piece (400) to be detected on the carrier plate assembly (3) can be removed;
when the output end of the cover plate lifting driving mechanism (7) is separated from the cover plate assembly (5), the cover plate assembly (5) is supported on the carrier plate assembly (3) and can move along the horizontal first direction along with the carrier plate assembly (3).
6. The optical inspection apparatus according to any one of claims 1 to 5, wherein the cover plate elevation driving mechanism (7) is capable of driving the cover plate assembly (5) to be elevated in a vertical direction away from or supported on the carrier plate assembly (3), the cover plate elevation driving mechanism (7) comprising:
the lifting driving piece (71) is arranged at the output end of the cover plate translation driving mechanism (6);
a support plate (72) provided at an output end of the lifting drive member (71);
the plug-in component (73) comprises a plug connector (731) and a plug hole (732), one of the plug connector (731) and the plug hole (732) is arranged on the supporting plate (72), the other one of the plug connector (731) and the plug hole (732) is arranged on the cover plate component (5), and the lifting driving piece (71) can drive the supporting plate (72) to lift so that the plug connector (731) and the plug hole (732) can be detachably connected.
7. The optical detection apparatus according to claim 6, wherein the cover assembly (5) includes a glass cover (51), a cover frame (52), and a connection plate (53), the cover frame (52) on both sides of the glass cover (51) in the horizontal second direction is provided with the connection plate (53), one or more insertion holes (732) are provided on the connection plate (53), and the insertion parts (731) provided corresponding to the insertion holes (732) are provided on the support plate (72).
8. The optical detection device according to any one of claims 1 to 5, characterized in that the cover plate translation drive mechanism (6) comprises:
the power assembly (61) is arranged on the machine table (1);
guide assembly (63), including sliding fit's guide rail (631) and slider (632), guide rail (631) set up along the first direction of level on board (1), slider (632) are used for installing apron lift actuating mechanism (7), power component (61) can drive slider (632) drive apron lift actuating mechanism (7) are followed guide rail (631) remove.
9. The optical detection device according to claim 8, wherein the cover plate translation driving mechanism (6) further comprises a transmission assembly (62), at least two sets of the guide assemblies (63) are respectively disposed on two sides of the cover plate assembly (5) along the horizontal second direction, and the power assembly (61) can simultaneously drive the sliders (632) in the two sets of the guide assemblies (63) to move along the guide rail (631) through the transmission assembly (62).
10. The optical detection apparatus according to claim 9, wherein the power assembly (61) comprises a servo motor (611) and a drive shaft (613), the drive assembly (62) being a belt drive assembly drivingly connected to the drive shaft (613);
or, the power assembly (61) comprises a servo motor (611), and the transmission assembly (62) is a screw rod transmission assembly;
or, the power assembly (61) comprises a servo motor (611) and a moving guide rail fixed on the machine table (1), the servo motor (611) is arranged on the moving guide rail in a sliding mode, and the transmission assembly (62) is a rack transmission assembly.
11. An automatic detection system, characterized by comprising a feeding device (100), a blanking device (300) and the optical detection device according to any one of claims 1 to 10, wherein the feeding device (100) and the blanking device (300) are respectively located at two ends of the optical detection device along the horizontal first direction, the feeding device (100) conveys the to-be-detected object (400) to the optical detection device from the horizontal first direction, and the blanking device (300) conveys the to-be-detected object (400) on the optical detection device out of the optical detection device from the horizontal first direction.
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Cited By (1)
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| CN113865532A (en) * | 2021-12-02 | 2021-12-31 | 苏州佳祺仕信息科技有限公司 | Dimension appearance detection device and multi-station detection system |
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| CN113447499B (en) | 2024-03-15 |
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