CN112304945A - Single appearance inspection equipment of camera module Cube - Google Patents
Single appearance inspection equipment of camera module Cube Download PDFInfo
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- CN112304945A CN112304945A CN202011145989.7A CN202011145989A CN112304945A CN 112304945 A CN112304945 A CN 112304945A CN 202011145989 A CN202011145989 A CN 202011145989A CN 112304945 A CN112304945 A CN 112304945A
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- 238000007689 inspection Methods 0.000 title claims abstract description 333
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 238000011179 visual inspection Methods 0.000 claims abstract description 13
- 238000005286 illumination Methods 0.000 claims description 36
- 239000000178 monomer Substances 0.000 abstract description 36
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000009194 climbing Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 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
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Abstract
The invention relates to the technical field of product inspection, and particularly discloses appearance inspection equipment for a Cube single body of a camera module. The apparatus comprises: a frame; the inspection table is arranged on the frame, and an inspection area is arranged above the inspection table; the visual inspection system comprises at least two inspection devices, wherein the at least two inspection devices are used for inspecting different surfaces of the Cube monomer; and the jacking mechanism is arranged on the rack in a liftable manner and is positioned at the bottom of the inspection table, and the jacking mechanism is used for jacking the Cube monomer to an inspection area. The appearance inspection equipment for the Cube single body of the camera module can simultaneously perform appearance inspection on a plurality of side surfaces of the Cube single body in the same inspection area, does not need to convey the Cube single body among different inspection units, and can avoid damage to the Cube single body caused by conveying motion.
Description
Technical Field
The invention relates to the technical field of product inspection, in particular to appearance inspection equipment for a Cube monomer of a camera module.
Background
The camera module Cube monomer is as follows: a rectangular parallelepiped holder before the camera is assembled, a chip, a VCM (Voice Coil Motor in electronics), and a substrate. Before assembling the camera module, appearance inspection is generally required to be performed on the Cube single body of the camera module.
The existing appearance inspection equipment for the Cube single body of the camera module performs appearance inspection on different parts of the Cube single body at different inspection units. In the inspection process, the Cube units need to be conveyed among different inspection units, and the appearance inspection equipment of the Cube units of the camera module is relatively bulky, so that the risk of damaging products exists in the conveying action.
Disclosure of Invention
The invention discloses an appearance inspection device of a Cube single body of a camera module, which can simultaneously perform appearance inspection on a plurality of side surfaces of the Cube single body in the same inspection area without carrying the Cube single body among different inspection units, and can avoid damage to the Cube single body caused by carrying motion.
In order to achieve the above object, an embodiment of the present invention discloses an appearance inspection apparatus for a Cube unit of a camera module, including:
a frame;
the inspection table is arranged on the rack and used for bearing the Cube single bodies, and an inspection area is arranged above the inspection table;
the visual inspection system is arranged on the rack and comprises at least two inspection devices, the inspection directions of the at least two inspection devices face the inspection area, and the at least two inspection devices are used for inspecting different surfaces of the Cube single body;
the jacking mechanism is arranged on the rack in a liftable mode and used for jacking the Cube single bodies to the inspection area.
The appearance inspection equipment for the camera Cube single body can perform appearance inspection on at least two side surfaces of the Cube single body in the same inspection area, the Cube single body does not need to be conveyed among different inspection units, and damage to the Cube single body caused by conveying motion can be avoided. Meanwhile, the appearance inspection equipment of the camera module Cube single body can simultaneously inspect a plurality of side surfaces of the Cube single body in the same inspection area, and the inspection efficiency of the appearance inspection equipment of the camera module Cube single body can be improved.
As an optional implementation manner, in an embodiment of the present invention, the appearance inspection apparatus for the Cube unit of the camera module further includes a tray, and the tray is provided with a plurality of positioning holes for placing the Cube unit, so that when the Cube unit is actually inspected, the plurality of Cube units can be placed on the inspection table by moving the tray once, which is simple and fast, and the inspection efficiency of the apparatus can be improved.
As an optional implementation manner, in an embodiment of the present invention, the appearance inspection apparatus for a camera module Cube unit further includes:
the tray moves along with the inspection table to enable the positioning holes to be located at the top of the jacking mechanism in a switchable manner, so that the Cube monomers placed in the positioning holes can be jacked and placed one by one, and the Cube monomers on the tray can be conveniently inspected one by one.
As an optional implementation manner, in an embodiment of the present invention, the appearance inspection apparatus of the single camera module Cube further includes a driving device, and the inspection stage includes:
the chassis is arranged on the rack;
the first guide rail is arranged at the top of the underframe;
the first workbench is arranged on the first guide rail and slides along the first guide rail under the driving of the driving device;
the second guide rail is arranged on the surface, away from the underframe, of the first workbench, and is perpendicular to the first guide rail;
and the second workbench is arranged on the second guide rail and slides along the second guide rail under the driving of the driving device.
Drive arrangement drives first workstation and slides along first guide rail, just can drive first workstation and install the second workstation on first workstation and slide along first guide rail together, then recycle drive arrangement and drive the second workstation and slide along the second guide rail, finally make the second workstation be planar motion, thereby it is planar motion along with the inspection bench to drive the tray, make different locating holes on the tray alternately aim at climbing mechanism, and then can carry out the inspection one by one to the Cube monomer of placing in the locating hole, moreover, the steam generator is simple in structure, high in inspection efficiency.
As an alternative implementation, in an embodiment of the invention, the driving device includes:
the first driving mechanism is in driving connection with the first workbench so as to enable the first workbench to slide along the first guide rail;
and the second driving mechanism is in driving connection with the second workbench so as to enable the second workbench to slide along the second guide rail.
According to the invention, the first and second working tables are respectively driven by the first and second driving mechanisms to move, so that the planar movement of the inspection table is realized, the interference of the first and second working tables in the movement process can be avoided, and the whole structure is more compact.
As an optional implementation manner, in an embodiment of the present invention, the number of the inspection devices is five, four of the five inspection devices are uniformly spaced along the periphery of the inspection region, another inspection device is located at the top of the inspection region, and when the Cube unit is lifted into the inspection region by the lifting mechanism, five side surfaces of the Cube unit except for the bottom surface of the contact surface with the lifting mechanism are provided in one-to-one correspondence with the inspection devices.
The appearance inspection equipment for the Cube single body of the camera module can simultaneously and comprehensively inspect five planes of the Cube single body except for the plane lifted by the jacking mechanism, can effectively improve the inspection efficiency of the appearance inspection equipment in the embodiment, does not need to carry the Cube single body among different inspection units, and can avoid the damage to the Cube single body caused by the carrying motion.
As an optional implementation manner, in an embodiment of the present invention, the vision inspection system further includes a plurality of illumination components for increasing the brightness of the environment, where the illumination components are disposed in one-to-one correspondence with the inspection device, and when the inspection device performs shooting inspection on the Cube cell, the illumination components can increase the brightness of the environment, so that the inspection device can perform shooting inspection on each surface of the Cube cell in a sufficiently bright environment, and thus the inspection accuracy of the appearance inspection apparatus of the camera module Cube cell can be improved.
As an alternative, in an embodiment of the present invention, the illumination component includes a first illumination structure, and the first illumination structure is disposed in one-to-one correspondence with the inspection apparatus located at the outer periphery of the inspection area, so that the inspection accuracy of the inspection apparatus can be improved.
As an optional implementation manner, in an embodiment of the present invention, the illumination component further includes a second illumination structure, the second illumination structure is an annular illumination structure, and the annular illumination structure is disposed around an outer circumference of the inspection apparatus at the top of the inspection area, so that brightness of a top environment of the Cube can be improved, and further, the top of the Cube can be accurately inspected.
As an optional implementation manner, in an embodiment of the present invention, the inspection apparatus includes a camera for photographing the surface of the Cube, and has a simple structure and low cost.
As an alternative implementation, in an embodiment of the present invention, the jacking mechanism includes:
the driving piece is mounted on the frame and is positioned at the bottom of the inspection table;
the thimble, the thimble with the driving piece drive is connected, and carry out elevating movement under the drive of driving piece, the thimble goes up and down the in-process, can carry out visual inspection to the Cube monomer with Cube monomer jacking to the inspection region, and then the vision inspection system of being convenient for carries out appearance inspection to Cube monomer.
As an optional implementation manner, in an embodiment of the present invention, the appearance inspection apparatus for a camera module Cube unit further includes:
the conveyor belt is arranged on the rack and positioned on the side edge of the inspection table, and is used for conveying the tray;
the gripping device is arranged on the frame and used for moving the tray on the conveyor belt to the inspection table or moving the tray on the inspection table to the conveyor belt.
The concrete during operation, the free tray of bearing weight with Cube is placed on the conveyer belt through manual work or manipulator, and during this conveyer belt motion, can transport Cube monomer to the assigned position and snatch in order to supply to grab the device, when needs carry out outward appearance inspection to Cube monomer, utilize to grab the device and remove the free tray of bearing weight with Cube of assigned position department to the inspection bench, then recycle the Cube monomer jacking in jacking mechanism will tray to the inspection region, it can to utilize vision inspection system to inspect Cube monomer afterwards. After the inspection is finished, the Cube single bodies are placed on the trays by the jacking mechanism, the trays on the inspection table are moved to the conveyor belt by the gripping device, and the trays are conveyed to the next procedure by the conveyor belt, so that the working efficiency of the appearance inspection equipment can be improved.
As an optional implementation manner, in an embodiment of the present invention, the appearance inspection apparatus for a Cube unit of a camera module further includes a processor, the processor is connected in communication with the vision inspection system, and the processor is configured to determine whether the appearance of the Cube unit is qualified according to a result of the vision inspection by the vision inspection system. The processor of the invention is pre-stored with qualified or unqualified pictures, and after the visual inspection system transmits the pictures shot by the visual inspection system to the processor, the processor can compare the pictures shot by the visual inspection system with the pictures stored in the processor, so as to judge whether the appearance of the Cube monomer is qualified, which is simple and fast.
Compared with the prior art, the appearance inspection equipment for the Cube single body of the camera module at least has the following beneficial effects:
when the appearance inspection equipment of the Cube single body of the camera module is used for carrying out appearance inspection on the Cube single body, the Cube single body is firstly placed on the inspection table, then the Cube single body in the tray placed on the inspection table is jacked by the jacking mechanism, and after the Cube single body is jacked into the inspection area by the jacking mechanism, the appearance inspection system is used for carrying out appearance inspection on the Cube single body. Since the vision inspection system in this embodiment includes at least two inspection devices, the inspection directions of which are both directed toward the inspection region, different surfaces of the Cube can be inspected. After the inspection is finished, the jacking mechanism descends, and then the Cube monomer is placed on the inspection table and moved away to the next procedure.
Therefore, the appearance inspection equipment of the camera Cube can perform appearance inspection on at least two side surfaces of the Cube in the same inspection area, the Cube is not required to be conveyed among different inspection units, and damage to the Cube caused by conveying motion can be avoided. Meanwhile, the appearance inspection equipment of the camera module Cube single body can simultaneously inspect a plurality of side surfaces of the Cube single body in the same inspection area, and the inspection efficiency of the appearance inspection equipment of the camera module Cube single body can be improved. In addition, the appearance inspection equipment for the camera Cube single bodies can perform blanking operation after all the Cube single bodies are inspected, and the efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of an appearance inspection apparatus of a Cube unit of a camera module according to the present invention;
FIG. 2 is a perspective view of an inspection table and a vision inspection system of the appearance inspection device of the camera module Cube of the invention;
FIG. 3 is a schematic oblique view of a tray of the appearance inspection device of the camera module Cube of the invention;
FIG. 4 is a schematic perspective view of a jacking mechanism of the appearance inspection equipment of the camera module Cube single body of the invention;
fig. 5 is a top-down schematic view of a perspective schematic view of the inspection table and vision inspection system of the present invention.
Icon: 10. a frame; 12. an electric cabinet; 11. an examination region; 20. an inspection table; 21. a chassis; 22. a first guide rail; 23. a second guide rail; 24. a second table; 25. a first table; 30. a tray; 31. positioning holes; 40. a vision inspection system; 41. an inspection device; 42. an illumination component; 421. a first illumination structure; 422. a second illumination structure; 50. a jacking mechanism; 51. a drive member; 52. a thimble; 60. a drive device; 61. a first drive mechanism; 62. a second drive mechanism; 70. a conveyor belt; 80. a drive motor; 90. a gripping device; 100. cube monomer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the particular nature and configuration of which may be the same or different, and not intended to indicate or imply the relative importance or importance of the indicated device, element, or component.
As mentioned in the background, the existing appearance inspection equipment for the Cube unit of the camera module performs appearance inspection on different parts of the Cube unit in different inspection units. In the inspection process, the Cube units need to be conveyed among different inspection units, and the appearance inspection equipment of the Cube units of the camera module is relatively bulky, so that the risk of damaging products exists in the conveying action. Therefore, the invention provides the appearance inspection equipment of the camera Cube single body, which can simultaneously perform appearance inspection on a plurality of side surfaces of the Cube single body in the same inspection area without carrying the Cube single body among different inspection units, and can avoid damage to the Cube single body caused by carrying motion.
The following detailed description is made with reference to the accompanying drawings.
Referring to fig. 1 to 3, the appearance inspection apparatus of the camera module Cube unit of the present invention includes a frame 10, an inspection stage 20, a vision inspection system 40, and a jacking mechanism 50.
The inspection table 20 is arranged on the frame 10 for carrying the Cube monomer 100, and an inspection area is arranged above the inspection table 20; a vision inspection system 40 is arranged inside the rack 10, the vision inspection system 40 includes at least two inspection devices 41, the inspection directions of the at least two inspection devices 41 are toward the inspection area 11, and the at least two inspection devices 41 are used for inspecting different surfaces of the Cube unit 100; a jacking mechanism 50 is liftably mounted on the frame 10 and located at the bottom of the inspection table 20, and the jacking mechanism 50 is used for jacking the Cube unit 100 to the inspection area 11.
Specifically, when the appearance inspection equipment for the Cube monomer of the camera module of the invention is used for performing appearance inspection on the Cube monomer 100, the Cube monomer 100 is firstly placed on the inspection table 20, then the jacking mechanism 50 located at the bottom of the inspection table 20 is used for jacking the Cube monomer 100, and after the jacking mechanism 50 jacks the Cube monomer 100 into the inspection area 11, the visual inspection system 40 is used for performing appearance inspection on the Cube monomer 100. Since the vision inspection system 40 in the present embodiment includes at least two inspection devices 41, and the inspection directions of the at least two inspection devices 41 are both directed toward the inspection region 11, different surfaces of the Cube unit 100 can be inspected. After the inspection, the jacking mechanism 50 is lowered, and the Cube monomer 100 is lowered onto the inspection table 20 and moved away to the next process.
Compared with the prior art in which the Cube unit 100 is transported between different inspection units for inspection, the appearance inspection device of the camera Cube unit of the invention can perform appearance inspection on at least two side surfaces of the Cube unit 100 in the same inspection area 11, does not need to transport the Cube unit 100 between different inspection units, and can avoid damage to the Cube unit 100 caused by the transport motion. Meanwhile, the appearance inspection equipment of the camera module Cube single body of the invention can simultaneously inspect a plurality of side surfaces of the Cube single body 100 in the same inspection area 11, and can improve the inspection efficiency of the appearance inspection equipment of the camera module Cube single body.
As shown in fig. 1, the rack 10 of the present embodiment has a rectangular box-shaped structure, an electric cabinet 12 is provided in a bottom space of the rectangular box-shaped structure, a built-in power supply, a circuit board, and the like are provided in the electric cabinet 12, and power is supplied to power consuming components such as the lift mechanism 50, the vision inspection system 40, the driving device 60, and the like, by the structure of the built-in power supply. Optionally, a built-in power supply may not be provided in the electric cabinet 12, and power may be supplied to the electric components such as the jacking mechanism 50, the vision inspection system 40, the driving device 60, and the like by an external power supply. During actual installation, the inspection table 20, the jacking mechanism 50, the vision inspection system 40, the driving device 60 and the like are all installed on the electric cabinet 12, and power is conveniently supplied to the power utilization structure of the single appearance inspection equipment of the camera module Cube under the action of the electric cabinet 12. The inspection area 11, the inspection table 20, the vision inspection system 40 and the jacking mechanism 50 are arranged above the electric cabinet 12, the whole structure layout is compact and reasonable, and the assembly line operation is convenient to realize. In other embodiments of the present invention, the frame 10 may be configured as a cylindrical structure, a prismatic structure, or other irregular structures.
The vision inspection system 40 is supported and arranged above the inspection table 20 by a bracket, and when the vision inspection system 40 is actually installed, a plurality of inspection devices 41 are all installed on the bracket, and the area surrounded by the plurality of inspection devices 41 is the inspection area 11. In order to further improve the inspection efficiency of the single appearance inspection device of the camera module Cube in this embodiment, the single appearance inspection device of the camera module Cube in this embodiment further includes a tray 30, a plurality of positioning holes 31 for placing the Cube units 100 are provided on the tray 30, when the Cube units are actually inspected, the Cube units 100 are placed in the positioning holes 31, at this time, the plurality of Cube units 100 can be placed on the inspection table 20 by moving the tray 30 once, so that, in the actual work, the tray 30 is moved once, the plurality of Cube units 100 can be inspected, and the inspection efficiency of the device can be improved. For example, the tray 30 of the present embodiment is provided with 8 positioning holes 31, and after the tray 30 filled with 8 Cube units 100 is moved to the inspection table 20, 8 Cube units 100 can be inspected. Of course, in other embodiments of the present invention, more than 8 or 2 to 7 positioning holes 31 may be disposed on the tray 30.
The single visual inspection equipment of camera module Cube in this embodiment still includes drive arrangement 60, and this drive arrangement 60 is connected with inspection stage 20 drive and is the plane motion with drive inspection stage 20, and tray 30 moves along with inspection stage 20 so that a plurality of locating holes 31 are switchably located the top of climbing mechanism 50, and then can carry out the jacking and transferring one by one to a plurality of Cube monomers 100 of placing in the locating hole 31 of tray 30, and then be convenient for carry out inspection one by one to a plurality of Cube monomers 100 on the tray 30.
Referring to fig. 1, in an alternative embodiment of the invention, inspection station 20 includes a base frame 21, a first rail 22, a second rail 23, a first table 25, and a second table 24.
Wherein, the chassis 21 is mounted on the frame 10, and can be specifically mounted on the top of the electric cabinet; the first guide rail 22 is arranged on the top of the bottom frame 21; the first table 25 is mounted on the first guide rail 22 and can slide along the first guide rail 22 under the driving of the driving device 60; the second guide rail 23 is arranged on the surface of the first workbench 25 departing from the base frame 21, and the second guide rail 23 is perpendicular to the first guide rail 22; second workstation 24 installs in second guide rail 23 and can slide along second guide rail 23 under drive arrangement 60's drive, and tray 30 sets up on second workstation 24, for the convenience of climbing mechanism 50 carries out the jacking to tray 30, all is provided with the through-hole of stepping down on first workstation 25 and the second workstation 24 in this embodiment, and climbing mechanism 50 can pass this through-hole of stepping down and carry out the jacking to tray 30.
During specific work, the driving device 60 drives the first workbench 25 to slide along the first guide rail 22, so as to drive the first workbench 25 and the second workbench 24 installed on the first workbench 25 to slide along the first guide rail 22, then the driving device 60 is utilized to drive the second workbench 24 to slide along the second guide rail 23, and finally the second workbench 24 is made to perform planar motion, so as to drive the tray 30 to perform planar motion along with the inspection table 20, so that different positioning holes 31 on the tray 30 can be aligned to the jacking mechanism 50 in a switchable manner, and then the Cube monomers 100 placed in the positioning holes 31 can be inspected one by one, the structure is simple, and the inspection efficiency is high.
Alternatively, the first working table 25 and the second working table 24 in this embodiment may be a single plate structure, or may be a frame structure constructed by several plates.
That is, the present invention uses the driving device 60 to drive the tray 30 carrying a plurality of Cube units 100 to be inspected to make a planar motion on the inspection table 20, so that one of the Cube units 100 to be inspected on the tray 30 is aligned with the jacking mechanism 50. Then, the jacking mechanism 50 is controlled to jack up one of the Cube units 100 to be inspected, so that the other surfaces of the Cube unit 100 except the bottom surface can respectively face the corresponding inspection device 41, and each surface is inspected by the inspection device 41. After the inspection is finished, the jacking mechanism 50 is driven to place the Cube monomer 100 which is finished by the inspection back to the tray 30, the driving device 60 is used for driving the tray 30 to move to the position where the Cube monomer 100 to be inspected aligns at the jacking mechanism 50, so that the jacking mechanism 50 can align at the Cube monomer 100 to be inspected and jack up the Cube monomer 100, and the like is performed until all products on the tray 30 are inspected.
Further, the driving device 60 in the present embodiment includes a first driving mechanism 61 and a second driving mechanism 62, wherein the first driving mechanism 61 is in driving connection with the first table 25 to slide the first table 25 along the first guide rail 22; the second driving mechanism 62 is drivingly connected to the second table 24 to slide the second table 24 along the second guide rail 23. In the embodiment, the first driving mechanism 61 and the second driving mechanism 62 respectively drive the first workbench 25 and the second workbench 24 to move so as to realize the planar movement of the inspection table 20, so that the interference of the first workbench 25 and the second workbench 24 in the movement process can be avoided, and the whole structure is more compact.
Alternatively, the first drive mechanism 61 and the second drive mechanism 62 in the present embodiment may be a drive motor, a drive cylinder, or the like.
Referring to fig. 1 to 3, in order to simultaneously inspect different side surfaces of the Cube unit 100, in the present embodiment, five inspection devices 41 of the vision inspection system 40 are provided, and the five inspection devices 41 are all mounted on a bracket above the inspection table 20, which is mounted on the second table 24, wherein four of the five inspection devices 41 are uniformly spaced along the periphery of the inspection region 11, and another inspection device is located at the top of the inspection region 11, and when the jacking mechanism 50 jacks the Cube unit 100 into the inspection region 11, five side surfaces of the Cube unit 100 except the bottom surface contacting with the jacking mechanism 50 are provided in one-to-one correspondence with the five inspection devices 41. After the lift-up mechanism 50 lifts up the Cube unit 100 on the tray 30 into the inspection area 11, the four inspection devices 41 located at the periphery of the inspection area 11 can simultaneously perform appearance inspection on the four side surfaces of the periphery of the Cube unit 100, and the inspection device 41 located at the top of the inspection area 11 can perform appearance inspection on the top surface of the Cube unit 100. Therefore, the appearance inspection equipment for the Cube unit of the camera module can simultaneously and comprehensively inspect five planes of the Cube unit 100 except for the plane lifted by the lifting mechanism 50, can effectively improve the inspection efficiency of the appearance inspection equipment in the embodiment, does not need to carry the Cube unit 100 among different inspection units, and can avoid damage to the Cube unit 100 caused by carrying movement.
Alternatively, in other embodiments of the present invention, the number of the inspection devices 41 may also be 2, 3, 4, or 5 or more, and other arrangements that can inspect different sides of the Cube unit 100 are within the protection scope of the present invention.
Further, the inspection apparatus 41 in the present embodiment may include a camera for imaging the surface of the Cube unit 100, or may be configured by a scanner or the like capable of imaging the surface of the Cube unit 100.
In order to improve the inspection accuracy of the appearance inspection device of the camera module Cube in this embodiment, the vision inspection system 40 in this embodiment further includes a plurality of illumination components 42 for increasing the brightness of the environment, the illumination components 42 are disposed in one-to-one correspondence with the inspection devices 41, and when the inspection devices 41 perform the shooting inspection on the Cube 100, the illumination components 42 can increase the brightness of the environment, so that the inspection devices 41 can shoot each surface of the Cube 100 in a sufficiently bright environment, thereby improving the inspection accuracy of the appearance inspection device of the camera module Cube.
The illumination component 42 in this embodiment includes the first illumination structure 421, and the first illumination structure 421 is disposed in one-to-one correspondence with the inspection device 41 located at the periphery of the inspection area 11, so as to improve the brightness of the environment around the Cube unit 100, and further improve the inspection accuracy of the inspection device 41.
Further, the illumination component 42 in the embodiment further includes a second illumination structure 422, and the second illumination structure 422 is an annular illumination component, and the annular illumination component is disposed around the periphery of the inspection device 41 at the top of the inspection area 11, so that the brightness of the top environment of the Cube unit 100 can be improved, and the top of the Cube unit 100 can be accurately inspected.
Alternatively, the first illumination structure 421 and the second illumination structure 422 in this embodiment may be configured as a low-power illumination light source such as an LED light source, an EEL light source, a DFB light source, or the like, or may be an illumination light source such as an incandescent lamp.
Referring to fig. 4, the jacking mechanism 50 in the present embodiment includes a driving member 51 and a thimble 52, wherein the driving member 51 is mounted on the frame 10, specifically on the electric cabinet 12, and the driving member 51 is located at the bottom of the inspection table 20; the thimble 52 is in driving connection with the driving element 51 and is driven by the driving element 51 to move up and down, and in the process of lifting the thimble 52, the Cube unit 100 can be lifted up to the inspection area 11, so that the visual inspection system 40 can conveniently perform appearance inspection on the Cube unit 100.
Alternatively, the driving member 51 in this embodiment may be a driving cylinder, a combination structure of a driving motor and a lead screw assembly, and the like. The thimble 52 is a needle-shaped thin rod structure, and in order to ensure the contact stability between the thimble 52 and the Cube unit 100, a vacuum suction head or a magnetic suction structure may be further disposed on the thimble 52 in this embodiment.
Further, the appearance inspection apparatus of the Cube cell of the camera module in this embodiment further includes a processor (not shown), the processor is connected in communication with the vision inspection system 40, and the processor is configured to determine whether the appearance of the Cube cell 100 is qualified according to the result of the inspection by the vision inspection system 40. Specifically, in the embodiment, a picture that is qualified or unqualified is pre-stored in the processor, and after the picture taken by the vision inspection system 40 is transmitted to the processor, the processor can compare the picture taken by the vision inspection system 40 with the picture stored in the processor, and further determine whether the appearance of the Cube unit 100 is qualified, which is simple and fast.
Referring to fig. 2 to 5, in order to improve the line operability of the appearance inspection apparatus of the camera module Cube unit, the appearance inspection apparatus of the camera module Cube unit in the present embodiment further includes a conveyor belt 70 and a gripping device 90. Wherein, the conveyor belt 70 is arranged on the frame 10 and at the side of the inspection table 20, in practical use, the conveyor belt 70 is driven by the driving motor 80, and the conveyor belt 70 is used for conveying the tray 30; a gripping device 90 is provided in the frame 10 between the conveyor belt 70 and the inspection station 20, which gripping device 90 is used to move the tray 30 on the conveyor belt 70 to the inspection station 20 or to move the tray 30 on the inspection station 20 to the conveyor belt 70, in operation.
Specifically, during operation, the tray 30 carrying the Cube units 100 is placed on the conveyor belt 70 by a manual or a mechanical hand, when the conveyor belt 70 moves, the Cube units 100 can be conveyed to a specified position to be grabbed by the grabbing device 90, when appearance inspection needs to be performed on the Cube units 100, the tray 30 carrying the Cube units 100 at the specified position is moved to the inspection table 20 by the grabbing device 90, then the Cube units 100 in the tray 30 are jacked to the inspection area 11 by the jacking mechanism 50, and then the Cube units 100 are inspected by the visual inspection system 40. After the inspection is completed, the jacking mechanism 50 lowers the Cube unit 100 to the tray 30, and finally, the gripping device 90 is used to move the tray 30 on the inspection table 20 to the conveyor belt 70, and the conveyor belt 70 is used to convey the tray 30 to the next process.
In an alternative embodiment of the invention, the gripping device 90 comprises a robot and a movable slide, wherein the movable slide is arranged between the inspection station 20 and the conveyor belt 70, and the robot is elevatably mounted on the movable slide, and when the robot grips the tray 30 and reciprocates along the movable slide, the robot can move the tray 30 on the conveyor belt 70 to the inspection station 20 or move the tray 30 on the inspection station 20 to the conveyor belt 70. In other embodiments of the present invention, the gripping device 90 may be a combination of a boom and a robot, and any other modification that can move the tray 30 on the conveyor 70 to the inspection table 20 or move the tray 30 on the inspection table 20 to the conveyor 70 is within the scope of the present invention.
According to the above embodiments, the visual inspection apparatus of the camera module Cube unit of the present invention drives the tray 30 carrying the plurality of Cube units 100 to be inspected to perform a planar motion on the inspection table 20 by using the driving device 60, so that one of the Cube units 100 to be inspected on the tray 30 is aligned with the jacking mechanism 50. Then, the jacking mechanism 50 is controlled to jack up one of the Cube units 100 to be inspected, so that the other surfaces of the Cube unit 100 except the bottom surface can respectively face the corresponding inspection device 41, and each surface is inspected by the inspection device 41. After the inspection is finished, the jacking mechanism 50 is driven to place the Cube monomer 100 which is finished by the inspection back to the tray 30, the driving device 60 is used for driving the tray 30 to move to the position where the Cube monomer 100 to be inspected aligns at the jacking mechanism 50, so that the jacking mechanism 50 can align at the Cube monomer 100 to be inspected and jack up the Cube monomer, and the like can be realized until all products on the tray 30 are inspected, and then the tray 30 is moved to the conveyor belt 70 through the gripping device 90 and is transmitted to the next process for blanking.
Therefore, the appearance inspection equipment of the camera Cube can perform appearance inspection on at least two side surfaces of the Cube in the same inspection area, the Cube is not required to be conveyed among different inspection units, and damage to the Cube caused by conveying motion can be avoided. Meanwhile, the appearance inspection equipment of the camera module Cube single body can simultaneously inspect a plurality of side surfaces of the Cube single body in the same inspection area, and the inspection efficiency of the appearance inspection equipment of the camera module Cube single body can be improved. In addition, the appearance inspection equipment for the camera Cube single bodies can perform blanking operation after all the Cube single bodies are inspected, and the efficiency is higher.
In addition, the invention is very flexible to use, can be spliced into different equipment according to requirements, can adjust the width of the conveyor belt according to the size of the tray, and can adjust the structure of the vision system according to the requirements of inspection items and inspection precision.
The invention can inspect 5 surfaces of the product, Lens, cosmetic plate, YOKE, bracket and side glue, can detect the defects of dirt, foreign matter, scratch, deformation, glue overflow, glue break, glue shortage and the like, and has comprehensive functions.
The appearance inspection equipment of the camera module Cube single body disclosed by the embodiment of the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the appearance inspection equipment of the camera module Cube single body and the core idea of the appearance inspection equipment; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (13)
1. The utility model provides a free visual inspection equipment of camera module Cube which characterized in that includes:
a frame;
the inspection table is arranged on the rack and used for bearing the Cube single bodies, and an inspection area is arranged above the inspection table;
the visual inspection system is arranged on the rack and comprises at least two inspection devices, the inspection directions of the at least two inspection devices face the inspection area, and the at least two inspection devices are used for inspecting different surfaces of the Cube single body;
the jacking mechanism is arranged on the rack in a liftable mode and used for jacking the Cube single bodies to the inspection area.
2. The apparatus for inspecting appearance of a Cube camera module according to claim 1, further comprising a tray, wherein the tray is provided with a plurality of positioning holes for placing the Cube camera module Cube.
3. The apparatus for inspecting appearance of a Cube-shaped camera module according to claim 2, further comprising:
the driving device is in driving connection with the inspection table to drive the inspection table to do plane motion, and the tray moves along with the inspection table to enable the positioning holes to be located at the top of the jacking mechanism in a switchable mode.
4. The apparatus for inspecting appearance of a camera module Cube according to claim 1, wherein the apparatus for inspecting appearance of a camera module Cube further comprises a driving device, and the inspection stage comprises:
the chassis is arranged on the rack;
the first guide rail is arranged at the top of the underframe;
the first workbench is arranged on the first guide rail and slides along the first guide rail under the driving of the driving device;
the second guide rail is arranged on the surface, away from the underframe, of the first workbench, and is perpendicular to the first guide rail;
and the second workbench is arranged on the second guide rail and slides along the second guide rail under the driving of the driving device.
5. The apparatus for inspecting appearance of a Cube camera module according to claim 4, wherein the driving means comprises:
the first driving mechanism is in driving connection with the first workbench so as to enable the first workbench to slide along the first guide rail;
and the second driving mechanism is in driving connection with the second workbench so as to enable the second workbench to slide along the second guide rail.
6. The appearance inspection apparatus of a Cube unit of a camera module according to any one of claims 1 to 5, wherein the number of the inspection devices is five, four of the five inspection devices are arranged at regular intervals along the outer circumference of the inspection area, another inspection device is arranged at the top of the inspection area, and when the Cube unit is lifted into the inspection area by the lifting mechanism, five side surfaces of the Cube unit excluding the bottom surface of the contact surface with the lifting mechanism are arranged in one-to-one correspondence with the inspection devices.
7. The apparatus for inspecting appearance of a camera module Cube according to claim 6, wherein the vision inspection system further comprises a plurality of illuminating members for increasing the ambient brightness, the illuminating members being disposed in one-to-one correspondence with the inspection devices.
8. The apparatus for inspecting appearance of a camera module Cube according to claim 7, wherein the illumination member includes a first illumination structure provided in one-to-one correspondence with the inspection device located at the outer periphery of the inspection area.
9. The apparatus for inspecting appearance of a camera module Cube according to claim 7, wherein the illumination member further comprises a second illumination structure, the second illumination structure is an annular illumination structure, and the annular illumination structure is arranged around the outer circumference of the inspection device at the top of the inspection area.
10. The apparatus for inspecting appearance of Cube unit of camera module according to any one of claims 1 to 5, wherein the inspecting means comprises a camera for photographing the surface of Cube unit.
11. The apparatus for inspecting appearance of Cube unit of camera module set according to any one of claims 1 to 5, wherein the lift mechanism comprises:
the driving piece is mounted on the frame and is positioned at the bottom of the inspection table;
the ejector pin is in driving connection with the driving piece and is driven by the driving piece to perform lifting motion.
12. The apparatus for inspecting appearance of a Cube-shaped camera module according to claim 2, further comprising:
the conveyor belt is arranged on the rack and positioned on the side edge of the inspection table, and is used for conveying the tray;
the gripping device is arranged on the frame and used for moving the tray on the conveyor belt to the inspection table or moving the tray on the inspection table to the conveyor belt.
13. The appearance inspection device of a camera module Cube unit according to any one of claims 1 to 5 or 7 to 9, further comprising a processor, wherein the processor is communicatively connected to the vision inspection system, and is configured to determine whether the appearance of the Cube unit is acceptable according to the result of the vision inspection system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145989.7A CN112304945A (en) | 2020-10-23 | 2020-10-23 | Single appearance inspection equipment of camera module Cube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145989.7A CN112304945A (en) | 2020-10-23 | 2020-10-23 | Single appearance inspection equipment of camera module Cube |
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| CN112304945A true CN112304945A (en) | 2021-02-02 |
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| CN202011145989.7A Pending CN112304945A (en) | 2020-10-23 | 2020-10-23 | Single appearance inspection equipment of camera module Cube |
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Cited By (1)
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Address after: 510663 No.7, Shenzhou Road, Science City, Guangzhou hi tech Industrial Development Zone, Guangdong Province Applicant after: Guangzhou delta Imaging Technology Co.,Ltd. Address before: 510663 No.7, Shenzhou Road, Science City, Guangzhou hi tech Industrial Development Zone, Guangdong Province Applicant before: O-FILM IMAGE TECHNOLOGY (GUANGZHOU) Co.,Ltd. |
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