CN210198681U

CN210198681U - Automatic detection equipment for lens

Info

Publication number: CN210198681U
Application number: CN201921394127.0U
Authority: CN
Inventors: Yanli Jin; 金焱立; Haifeng Fang; 方海峰; Yixin Cao; 曹一馨; Bo Wang; 王波; Jiantao Wang; 王建涛; Xushuai Xiang; 项旭帅
Original assignee: Ningbo Sunny Instruments Co Ltd
Current assignee: Ningbo Sunny Instruments Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-03-27
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a lens automatic check out test set, include: the material bearing unit is provided with a material mounting carrier for bearing and conveying materials; an edge detection unit. The edge detection device is used for detecting the edge of the material; the feeding and discharging unit is used for conveying materials to be detected and receiving the detected materials; the material taking and placing unit is used for transferring the materials to be detected on the feeding and discharging unit to the material mounting carrier; the sorting unit is used for transferring the detected materials on the material mounting carrier to the material loading and unloading unit; the edge detection unit includes: the device comprises a first visual detection module for imaging materials, a first detection light source arranged opposite to the first visual detection module, and a lower top module for absorbing and lifting the materials in the material mounting carrier. Realize the automated inspection to the lens defect through above-mentioned setting, promoted lens detection efficiency greatly.

Description

Automatic detection equipment for lens

Technical Field

The utility model relates to the field of machinary, especially, relate to a lens automatic check out test set.

Background

As optical products increasingly occupy important positions in production and life, the production requirements of the optical products are increasingly increased. The quality of the optical lens is a main factor directly influencing the imaging quality of the optical product. Furthermore, the requirements for defect and contamination detection of optical lenses are increasing, and the number of test items is also increasing. The existing mode of manually detecting the defects of the lens cannot meet the market demand, and equipment compatible with automatic detection of the defects of the lenses with different sizes and dirt is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens automated inspection equipment improves detection efficiency.

In order to realize the above purpose, the utility model provides a lens automatic detection equipment, include:

the material bearing unit is provided with a material mounting carrier for bearing and conveying materials;

an edge detection unit. The edge detection device is used for detecting the edge of the material;

the feeding and discharging unit is used for conveying materials to be detected and receiving the detected materials;

the material taking and placing unit is used for transferring the materials to be detected on the feeding and discharging unit to the material mounting carrier;

the sorting unit is used for transferring the detected materials on the material mounting carrier to the material loading and unloading unit;

the edge detection unit includes: a first visual detection module for imaging the material, a first detection light source arranged opposite to the first visual detection module, a lower top module for absorbing and lifting the material in the material installation carrier,

according to an aspect of the utility model, the lower top module includes: the device comprises a lower ejection driving mechanism driven by an eccentric wheel mechanism, an ejection suction nozzle arranged on the lower ejection driving mechanism, and a first XY-axis adjusting platform used for adjusting the position of the ejection suction nozzle in the X-axis and Y-axis directions.

According to an aspect of the present invention, the lower top driving mechanism includes: the device comprises a mounting seat, a first sliding mechanism, a mandril, a first eccentric wheel driving mechanism and a first guide wheel, wherein the mounting seat is fixedly connected with the first XY-axis adjusting platform, the first sliding mechanism is arranged on the mounting seat and can reciprocate along the Z-axis direction, the mandril is fixedly connected with the first sliding mechanism, the first eccentric wheel driving mechanism is arranged on the mounting seat and can drive the mandril to reciprocate along the Z-axis direction, and the first guide wheel is arranged on the mandril and is in rolling contact with the first eccentric wheel driving mechanism;

the ejection suction nozzle is detachably arranged on the ejector rod.

According to an aspect of the present invention, the edge detecting unit further includes: the first Z-axis driving module is used for driving the first visual detection module to move along the Z-axis direction, the second Z-axis driving module is used for driving the first detection light source to move along the Z-axis direction, and the second XY-axis adjusting platform is used for adjusting the positions of the first visual detection module and the first detection light source in the plane in the X-axis direction and the Y-axis direction;

the first visual detection module and the first detection light source are respectively located on the upper side of the material mounting carrier, and the lower top module is located on the lower side of the material mounting carrier.

According to an aspect of the utility model, still include: the central detection unit is used for detecting the central area of the material;

the center detection unit includes: the device comprises a second visual detection module for imaging the material, a second detection light source arranged opposite to the second visual detection module, a third Z-axis driving module for driving the second visual detection module to move along the Z-axis direction, and a fourth Z-axis driving module for driving the second detection light source (62) to move along the Z-axis direction;

the second visual detection module and the second detection light source are respectively positioned at the upper side and the lower side of the material mounting carrier.

According to an aspect of the present invention, the central detecting unit further includes: the third XY axis adjusting platform is used for adjusting the positions of the second vision detection module and the second detection light source in the plane in the X axis direction and the Y axis direction, and the first light shield is arranged on the second vision detection module.

According to the utility model discloses an aspect, get and expect that the unit includes:

a first Y-axis drive module;

a first X-axis driving module supported on the first Y-axis driving module;

the first material taking module is supported on the first X-axis driving module and is provided with a plurality of material taking modules in parallel;

the first material taking module comprises a material taking suction nozzle for picking up materials, a first suction nozzle connecting piece used for being connected with the suction nozzle, a second eccentric wheel driving mechanism used for driving the first suction nozzle connecting piece to reciprocate along the Z-axis direction, and a second guide wheel arranged on the first suction nozzle connecting piece and in rolling contact with the second eccentric wheel driving mechanism.

According to the utility model discloses an aspect, material bearing unit includes: the supporting table is used for mounting the material mounting carrier, and the driving device is used for driving the supporting table to move;

the mounting carriers are arranged on the supporting table at equal intervals.

According to one aspect of the present invention, the material mounting carrier is provided with a material mounting location for mounting the material, and a positioning structure for positioning;

the material installation position and the positioning structure are mutually coaxially arranged and communicated holes, wherein the material installation position is positioned above the positioning structure, and the aperture of the material installation position is larger than that of the positioning structure.

According to an aspect of the present invention, the aperture of the material mounting position on the supporting platform is set to one or more than one.

According to the utility model discloses an aspect, go up the unloading unit and include:

the material storage bin is internally stacked with a plurality of material trays for containing materials;

the fifth Z-axis driving module is used for driving the storage bin to reciprocate along the Z-axis direction;

and the material tray push-pull module is used for taking and placing the material tray.

According to an aspect of the utility model, charging tray push-and-pull module includes: the tray lifting mechanism is used for driving the tray hook to move up and down along the Z-axis direction, the hook driving mechanism is used for driving the tray hook to move up and down in a plane, and the tray bearing table is used for bearing the tray.

According to one aspect of the utility model, the material tray is provided with a first claw connecting structure, and the material tray claw is provided with a second claw connecting structure;

and under the driving action of the claw lifting mechanism, the second claw connecting structure is connected with or separated from the first claw connecting structure.

According to an aspect of the invention, the sorting unit comprises:

a second X-axis drive module;

a second Y-axis driving module supported on the second X-axis driving module;

a second take-off module supported on the second Y-axis drive module;

a sorting vision module supported on the second Y-axis drive module;

the sorting visual module and the second material taking module are fixedly connected with each other and are respectively positioned on two sides of the second Y-axis driving module.

According to one aspect of the utility model, the second material taking module comprises two sorting mechanisms arranged side by side and an interval adjusting mechanism for adjusting the interval of the sorting mechanisms;

the sorting mechanism comprises a sorting suction nozzle for picking up materials and a driving cylinder for driving the sorting suction nozzle to reciprocate along the Z-axis direction.

According to an aspect of the utility model, still include: the positioning unit is used for positioning and correcting the material mounting carrier;

the positioning unit includes: the positioning cone is used for positioning and correcting the material mounting carrier, the positioning cone seat is used for supporting the positioning cone, and the fourth XY-axis adjusting platform is used for adjusting the position of the positioning cone in the X-axis direction and the Y-axis direction;

the positioning cone is connected with the positioning cone seat, and the position of the positioning cone can be adjusted along the Z-axis direction;

and the positioning conical seat is fixedly supported on the fourth XY axis adjusting platform.

According to an aspect of the utility model, still include:

and the correcting unit is arranged below the material taking and placing unit and is used for identifying and correcting the position of the material picked by the material taking and placing unit.

According to the utility model discloses a scheme is through setting up material bearing unit, central detecting element, edge detecting element, positioning unit, going up unloading unit, getting and putting material unit, correction unit and letter sorting unit to can realize having promoted lens detection efficiency greatly to the automated inspection of lens defect.

According to the utility model discloses a scheme has realized the incessant feed of material in the testing process through setting up a plurality of material installation carriers, has guaranteed the automatic continuity of operation that detects, and is not only efficient, but also has improved the effective usage space of equipment. In addition, material installation carrier and supporting bench set up to dismantling to be connected and then can change corresponding material installation carrier according to the material of difference, have effectively improved the utility model discloses an application scope makes it can satisfy and detects surface and the inside of the lens of diameter 2-10 mm.

According to the utility model discloses a scheme, through setting up the accurate positioning of realization material installation carrier position on the supporting bench that location structure can be convenient, is favorable to the detection precision of guaranteeing the material like this. In addition, the material mounting position and the positioning structure are separately arranged, and the aperture of the positioning structure is small, so that the positioning structure is only used in the positioning process, the abrasion of the positioning structure is avoided, and the positioning precision is ensured. In addition, with the coaxial setting of location structure and material installation position, when directly fixing a position location structure like this, also can be more favorable to guaranteeing the accurate positioning of material installation position, avoided because location structure and material installation position dislocation set produced positioning error.

According to the utility model discloses a scheme, when the aperture of the material installation position in all material installation carriers was unanimous, it can be used for the big batch detection of same kind of material. If the aperture with material installation position sets up to when multiple, can realize the detection of material in the difference like this, improved application scope.

According to the utility model discloses a scheme, first eccentric wheel actuating mechanism is including driving motor and the eccentric wheel that links to each other with driving motor. Under the driving action of the driving motor, a first guide wheel which is in rolling contact with the eccentric wheel in the rotating process of the eccentric wheel can drive the ejector rod to move up and down along the Z-axis direction along with the radius change of the eccentric wheel. The liftout suction nozzle can contact and then adsorb the material with the material at this in-process, prevents that the material from being thrown away by the top. In addition, the change of the movement stroke of the eccentric wheel driving mechanism is gentle, so that the ejection suction nozzle is favorable for timely and stably adsorbing materials, the safety of the materials is further ensured, and the phenomenon that the ejection suction nozzle moves too fast along the Z-axis direction to damage the surface of the materials is avoided.

According to the utility model discloses a scheme, through the location awl can be convenient with the location structure's in different apertures matching, to the material installation carrier of different materials like this, also can carry out the location correction not changing the location awl, only need adjust the location awl can in the ascending position of Z axle side, improved the utility model discloses location correction efficiency to material installation carrier. The position of the positioning cone can be accurately adjusted by arranging the fourth XY-axis adjusting platform, so that the positioning precision of the material mounting carrier is ensured, and the detection precision is further ensured.

According to the utility model discloses a scheme, first material module of getting is provided with a plurality ofly side by side. The effect of picking up a plurality of materials simultaneously has been realized through setting up a plurality of first material modules of getting, and then is favorable to improving the material loading efficiency who bears the weight of the unit.

Drawings

Fig. 1 schematically shows a structural view of an automatic lens inspecting apparatus according to an embodiment of the present invention;

fig. 2 schematically shows a top view of an automatic lens inspection apparatus according to an embodiment of the present invention;

figure 3 schematically shows a block diagram of a material carrying unit according to an embodiment of the invention;

figure 4 schematically shows a top view of a material carrying unit according to an embodiment of the invention;

fig. 5 is a block diagram schematically illustrating an edge detection unit according to an embodiment of the present invention;

fig. 6 is a block diagram schematically illustrating a lower top module according to an embodiment of the present invention;

fig. 7 is a structural view schematically showing a loading and unloading unit according to an embodiment of the present invention;

fig. 8 is a block diagram schematically illustrating a tray push-pull module according to an embodiment of the present invention;

fig. 9 is a structural view schematically showing a material taking and placing unit according to an embodiment of the present invention;

fig. 10 is a block diagram schematically illustrating a first take out module according to one embodiment of the present invention;

fig. 11 is a block diagram schematically illustrating a sorting unit according to an embodiment of the present invention;

fig. 12 is a block diagram schematically illustrating a second take off module according to an embodiment of the present invention;

FIG. 13 schematically shows a block diagram of a central detection unit according to an embodiment of the invention;

fig. 14 is a block diagram schematically illustrating a positioning unit according to an embodiment of the present invention;

fig. 15 is a schematic diagram illustrating a positioning unit and a material carrying unit according to an embodiment of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In describing embodiments of the present invention, the terms "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and other terms are used in an orientation or positional relationship shown in the associated drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are not repeated herein, but the present invention is not limited to the following embodiments.

With reference to fig. 1 and 2, according to an embodiment of the present invention, the present invention provides an automatic lens inspection device, including: the material bearing unit comprises a material bearing unit 1 used for bearing and conveying materials, an edge detection unit 2 used for detecting the edge of the materials, a feeding and discharging unit 3 used for conveying the materials to be detected and received after detection, a material taking and discharging unit 4 used for transferring the materials to be detected on the feeding and discharging unit 3 to the material bearing unit 1, a sorting unit 5 used for transferring the materials to be detected on the material bearing unit 1 to the feeding and discharging unit 3, and a central detection unit 6 used for detecting the central area of the materials. In the present embodiment, along the direction of conveying the material by the material bearing unit 1, the material taking and placing unit 4, the central detecting unit 6, the edge detecting unit 2 and the sorting unit 5 are respectively arranged around the material bearing unit 1, and the central detecting unit 6 and the edge detecting unit 2 are adjacently arranged. Through the arrangement, automatic feeding and discharging and continuous detection of materials can be conveniently realized, and the detection efficiency is improved. In this embodiment, along the direction that the material bearing unit 1 carried the material, get and put material unit 4, central detecting element 6, edge detecting element 2 and letter sorting unit 5 and set gradually, realized the line production in proper order of material loading, detection, unloading, effectively improved the efficiency of this equipment automation mechanized operations.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, according to an embodiment of the present invention, the material bearing unit 1 includes: a supporting table 12 for mounting the material mounting carrier 11, and a driving device 13 for driving the supporting table 12 to move. In the present embodiment, the material attachment device 11 and the support base 12 are detachably connected to each other, and the material attachment device 11 is provided at equal intervals on the support base 12. The uninterrupted feeding of the materials in the detection process is realized by arranging the material mounting carriers 11, the automatic continuous operation of detection is ensured, the efficiency is high, and the effective use space of the equipment is also increased. In addition, material installation carrier 11 sets up to dismantling the connection and then can change corresponding material installation carrier 11 according to the material of difference with supporting station 12, has effectively improved the utility model discloses an application scope.

As shown in fig. 3 and 4, according to an embodiment of the present invention, the material mounting carrier 11 is provided with a material mounting position for mounting material, and a positioning structure for positioning. In this embodiment, the material installation position and the positioning structure are holes coaxially arranged and communicated with each other, wherein the material installation position is located above the positioning structure and the aperture of the material installation position is larger than that of the positioning structure. Furthermore, the material mounting positions and the positioning structures form step holes which penetrate through the material mounting carriers 11 one by one. The accurate positioning of the position of the material mounting carrier 11 on the supporting table 12 can be conveniently realized by arranging the positioning structure, so that the detection precision of the material is ensured. In addition, the material mounting position and the positioning structure are separately arranged, and the aperture of the positioning structure is small, so that the positioning structure is only used in the positioning process, the abrasion of the positioning structure is avoided, and the positioning precision is ensured. In addition, with the coaxial setting of location structure and material installation position, when directly fixing a position location structure like this, also can be more favorable to guaranteeing the accurate positioning of material installation position, avoided because location structure and material installation position dislocation set produced positioning error.

According to an embodiment of the present invention, the aperture of the material mounting positions in all the material mounting carriers 11 on the supporting platform 12 is set to one or more. When the apertures of the material mounting locations in all the material mounting carriers 11 are consistent, it can be used for mass detection of the same material. If the aperture with material installation position sets up to when multiple, can realize the detection of different kinds of materials like this, improved application scope. In the present embodiment, the support base 12 is a disk-shaped structure, and the drive device 13 can drive the support base to rotate. Of course, the support table 12 may also be a linear plate-like structure, and its driving device may drive the linear movement of the device.

As shown in fig. 1, fig. 2 and fig. 5, according to an embodiment of the present invention, the edge detecting unit 2 includes: the device comprises a first visual detection module 21 for imaging the material, a first detection light source 22 arranged opposite to the first visual detection module 21, a lower top module 23 for sucking and lifting the material in the material mounting carrier 11, a first Z-axis driving module 24 for driving the first visual detection module 21 to move along the Z-axis direction, a second Z-axis driving module 25 for driving the first detection light source 22 to move along the Z-axis direction, and a second XY-axis adjusting platform 26 for adjusting the positions of the first visual detection module 21 and the first detection light source 22 in the plane in the X-axis direction and the Y-axis direction. In the present embodiment, the first Z-axis drive module 24 and the second Z-axis drive module 25 are fixedly supported on the same support frame, which is fixedly supported on the second XY-axis adjustment stage 26. The second XY axis adjusting platform 26 realizes accurate adjustment of the positions of the first visual inspection module 21 and the first inspection light source 22, and is beneficial to ensuring the edge inspection unit 2 to be aligned with the material. The first visual detection module 21 and the first detection light source 22 can be adjusted in position in the Z-axis direction through the first Z-axis driving module 24 and the second Z-axis driving module 25, so that the first visual detection module 21 can clearly image the material. In this embodiment, the material can be lifted upwards by the lower top module 23, so that the first visual inspection module 21 can conveniently and clearly image the edge of the material, and the accuracy of edge detection is ensured.

As shown in fig. 1 and 5, in the present embodiment, the first visual inspection module 21 and the first inspection light source 22 are respectively located on the upper side of the material-mounting carrier 11, and the lower-ceiling module 23 is located on the lower side of the material-mounting carrier 11.

As shown in fig. 5 and 6, according to an embodiment of the present invention, the lower top module 23 includes: a lower ceiling driving mechanism 231, an ejector nozzle 232 mounted on the lower ceiling driving mechanism 231, and a first XY-axis adjusting stage 233 for adjusting the position of the ejector nozzle 232 in the X-axis and Y-axis directions. In the present embodiment, the lower roof drive mechanism 231 includes: a mounting seat 2311 for fixedly connecting with the first XY-axis adjustment stage 233, a first sliding mechanism 2312 provided on the mounting seat 2311 and capable of reciprocating in the Z-axis direction, a lift bar 2313 fixedly connected with the first sliding mechanism 2312, a first eccentric wheel driving mechanism 2314 provided on the mounting seat 2311 and capable of driving the lift bar 2313 to reciprocate in the Z-axis direction, and a first guide wheel 2315 provided on the lift bar 2313 and in rolling contact with the first eccentric wheel driving mechanism 2314. In this embodiment, the topping suction nozzle 232 is detachably mounted on the topping bar 2313. Position between adjustment liftout suction nozzle 232 that platform 233 can be accurate is adjusted through the first XY axle that sets up and the material makes liftout suction nozzle 232 can align with the central point of material, has guaranteed the utility model discloses a lower top module 23 can prevent the slope of material when lifting up the material, and is favorable to guaranteeing the precision of edge detection.

Referring to fig. 6, in the present embodiment, the mount 2311 has a plate-like structure extending in the Z-axis direction, the first slide mechanism 2312 and the first eccentric wheel drive mechanism 2314 are sequentially mounted on the plate-like structure, and the first eccentric wheel drive mechanism 2314 is located above the first slide mechanism 2312. In this embodiment, the first eccentric drive mechanism 2314 includes a drive motor and an eccentric connected to the drive motor. Under the driving action of the driving motor, the first guide wheel 2315 in rolling contact with the eccentric wheel in the rotation process of the eccentric wheel can drive the push rod 2313 to move up and down along the Z-axis direction along with the radius change of the eccentric wheel. In the process, the material ejecting suction nozzle 232 can be in contact with the material to adsorb the material, so that the material is prevented from being ejected. In addition, the change of the movement stroke of the eccentric wheel driving mechanism is gentle, so that the ejection suction nozzle 232 can timely and stably adsorb materials, the safety of the materials is further ensured, and the phenomenon that the ejection suction nozzle 232 moves too fast along the Z-axis direction to damage the surface of the materials is avoided. Of course, after the edge of the material is detected, the eccentric wheel continues to rotate, so that the material can be placed back, and the ejection suction nozzle 232 is loosened.

With reference to fig. 1 and 2, according to the utility model discloses an embodiment, go up unloading unit 3 and be provided with a plurality ofly, its some is used for carrying the material that detects the detection, and another part detects the material after accomplishing with carrying. In this embodiment, go up unloading unit 3 and can set up to three, and one of them is used for carrying the material that detects, and two other side by side set up and are used for carrying the material qualified and unqualified after detecting and accomplish.

With reference to fig. 1 and 7, according to an embodiment of the present invention, the feeding and discharging unit 3 includes: a silo 31, a fifth Z-axis drive module 32 and a tray push-pull module 33. In the present embodiment, a plurality of trays 311 for containing materials are stacked in the bin 31; the fifth Z-axis driving module 32 is configured to drive the storage bin 31 to reciprocate along the Z-axis direction; the tray push-pull module 33 is used for taking and placing the tray 311.

Referring to fig. 7 and 8, according to an embodiment of the present invention, the tray push-pull module 33 includes: a tray claw 331 for taking and placing the tray 311, a claw lifting mechanism for driving the tray claw 331 to move up and down along the Z-axis direction, a claw driving mechanism 332 for driving the tray claw 331 to move back and forth in a plane, and a tray bearing table 333 for bearing the tray 311. In this embodiment, the tray 311 is provided with a first claw coupling structure 3111, and the tray claw 331 is provided with a second claw coupling structure 3311. Referring to fig. 8, the first claw connection structure 3111 may be a through hole provided on the edge of the tray, and the second claw connection structure 3311 may be provided as a cylinder matching the first claw connection structure 3111. In this embodiment, the magazine 31 lifts the tray 311 containing the material to be measured to a position corresponding to the tray support 333 by the driving of the fifth Z-axis driving module 32, and the tray claw 331 moves in a direction approaching the tray 311 in the magazine 31 by the claw driving mechanism 332. In the initial state, the second claw connecting structure 3311 on the tray claw 331 is lower than the tray 311, and after the tray claw 331 moves in place, the claw lifting mechanism lifts the tray claw 331, so that the second claw connecting structure 3311 is connected with the first claw connecting structure 3111 in a matching manner, the claw driving mechanism 332 returns to operate, and the tray 311 is pulled into the tray bearing table 333 under the action of the tray claw 331. Therefore, the second claw connecting structure 3311 and the first claw connecting structure 3111 are connected or separated from each other by the driving action of the claw lifting mechanism, so that the tray 311 is taken or placed. The process of placing the tray 311 into the magazine 31 is just the reverse of the above process, and will not be described herein.

With reference to fig. 1 and 9, according to an embodiment of the present invention, the material taking and placing unit 4 includes: a first Y-axis drive module 41, a first X-axis drive module 42, and a first take-off module 43. In the present embodiment, the first X-axis drive module 42 is supported by the first Y-axis drive module 41; the first take-out module 43 is supported by the first X-axis drive module 42, and a plurality of the take-out modules are arranged side by side. In the present embodiment, two first takeout modules 43 are provided side by side. The effect of picking up a plurality of materials simultaneously has been realized through setting up a plurality of first material modules 43 of getting, and then is favorable to improving the material loading efficiency that bears unit 1.

As shown in fig. 9 and 10, according to an embodiment of the present invention, the first material taking module 43 includes a material taking nozzle 431 for taking up the material, a first nozzle connecting member 432 for connecting with the nozzle, a second eccentric wheel driving mechanism 433 for driving the first nozzle connecting member 432 to reciprocate along the Z-axis direction, and a second guide wheel 434 disposed on the first nozzle connecting member 432 and in rolling contact with the second eccentric wheel driving mechanism 433. In this embodiment, the first material taking module 43 is provided with a first material taking module connecting plate 43a for connecting with the first X-axis driving module 42, and the first nozzle connecting member 432 and the first material taking module connecting plate 43a are connected in a sliding manner, so that the first nozzle connecting member 432 is driven by the driving action of the second eccentric wheel driving mechanism 433. In this embodiment, a second eccentric wheel driving mechanism 433 is also provided on the first nozzle link 432, and the second eccentric wheel driving mechanism 433 includes an eccentric wheel and a driving motor. Under the driving action of the driving motor, the second guide wheel 434, which is in rolling contact with the eccentric wheel during the rotation of the eccentric wheel, drives the first suction nozzle connecting piece 432 to move up and down along the Z-axis direction along with the change of the radius of the eccentric wheel. In the process, the material taking suction nozzle 431 can be in contact with the material to further adsorb the material. In addition, the change of the movement stroke of the eccentric wheel driving mechanism is gentle, so that the material taking suction nozzle 431 is favorable for timely and stably adsorbing materials, the safety of the materials is further ensured, and the phenomenon that the material taking suction nozzle 431 moves too fast along the Z-axis direction to damage the surface of the materials is avoided. When the material is put down, the second eccentric wheel driving mechanism 433 drives the material taking nozzle 431 to move downwards and reach the position, and then the material taking nozzle 431 loosens the material.

As shown in fig. 1 and 11, according to an embodiment of the present invention, the sorting unit 5 includes: a second X-axis drive module 51, a second Y-axis drive module 52, a second take off module 53, and a sort vision module 54. In the present embodiment, the second Y-axis drive module 52 is supported by the second X-axis drive module 51; the second take-out module 53 is supported on the second Y-axis drive module 52; the sort vision module 54 is supported on the second Y-axis drive module 52. In the present embodiment, the sorting vision module 54 and the second material fetching module 53 are fixedly connected to each other and respectively located at two sides of the second Y-axis driving module 52. Qualified and unqualified materials can be effectively and quickly and conveniently discharged by arranging the sorting visual module 54, and the automatic sorting efficiency of the materials is improved.

As shown in fig. 11 and 12, according to an embodiment of the present invention, the second material taking module 53 includes two sorting mechanisms 531 arranged side by side, and a spacing adjustment mechanism 532 for adjusting the spacing between the sorting mechanisms 531. In this embodiment, two sorting mechanisms 531 and two pitch adjustment mechanisms 532 are disposed on the same reclaimer module connector, and the two sorting mechanisms 531 are disposed side by side with respect to each other. One of the sorting mechanisms 531 is fixedly attached to the take-off module connector, the spacing adjustment mechanism 532 is also fixedly attached to the take-off module connector, and the other sorting mechanism 531 is attached to the spacing adjustment mechanism 532. In the present embodiment, the pitch adjustment mechanism 532 may employ an air cylinder. The interval between two letter sorting mechanisms 531 of adjustment that can be convenient and quick through the effect of interval guiding mechanism 532 to make it can be applicable to different spaced charging trays 311, improved the utility model discloses an application range.

As shown in fig. 11 and 12, according to an embodiment of the present invention, the sorting mechanism 531 includes a sorting nozzle 5311 for picking up the material, and a driving cylinder 5312 for driving the sorting nozzle 5311 to reciprocate along the Z-axis direction. The corresponding speed of the driving cylinder is high, and the sorting efficiency in the sorting process is improved.

Referring to fig. 1 and 13, according to an embodiment of the present invention, the central detecting unit 6 includes: the second visual detection module 61 is used for imaging the material, the second detection light source 62 is arranged opposite to the second visual detection module 61, the third Z-axis driving module 63 is used for driving the second visual detection module 61 to move along the Z-axis direction, and the fourth Z-axis driving module 64 is used for driving the second detection light source 62 to move along the Z-axis direction. In the present embodiment, the third Z-axis driving module 63 and the fourth Z-axis driving module 64 are fixedly provided on a support, and the third Z-axis driving module 63 is located above the fourth Z-axis driving module 64. Under the driving action of the third Z-axis driving module 63 and the fourth Z-axis driving module 64, the positions of the second visual detection module 61 and the second detection light source 62 in the Z-axis direction can be respectively adjusted, so that clear imaging of the material and layer shooting of the material are guaranteed.

As shown in fig. 1 and 13, in the present embodiment, the second visual inspection module 61 and the second inspection light source 62 are respectively located at the upper and lower sides of the material mounting carrier 11.

Referring to fig. 1 and 13, according to an embodiment of the present invention, the central detecting unit 6 further includes: a third XY-axis adjusting stage 65 for adjusting the positions of the second vision inspection module 61 and the second inspection light source 62 in the plane in the X-axis and Y-axis directions, and a first light shield 66 disposed on the second vision inspection module 61. The third XY axis adjusting platform 65 effectively ensures that the central detecting unit 6 can be aligned with the center of the material, and the detection quality is ensured.

With reference to fig. 1, fig. 2 and fig. 14, according to an embodiment of the present invention, the automatic lens inspection device of the present invention further includes: and the positioning unit 7 is used for positioning and correcting the material mounting carrier 11 used for mounting the material on the bearing unit 1. In the present embodiment, the positioning unit 7 includes: a positioning cone 71 for positioning and correcting the material mounting carrier 11, a positioning cone seat 72 for supporting the positioning cone 71, and a fourth XY-axis adjusting platform 73 for adjusting the position of the positioning cone 71 in the X-axis and Y-axis directions. In the present embodiment, the positioning cone 71 and the positioning cone base 72 are connected to each other, and the position of the positioning cone 71 can be adjusted in the Z-axis direction. In the present embodiment, the positioning cone 72 is fixedly supported by the fourth XY-axis adjustment table 73. As shown in fig. 14 and 15, in the present embodiment, one end of the positioning cone 71 is a conical structure 411, which can extend into the positioning structure of the material-mounting carrier 11 to perform positioning correction on the material-mounting carrier 11. Set up to conical structure and then can be convenient use and the matching of the location structure in different apertures through the one end with location awl 71, to the material installation carrier 11 of different materials like this, also can fix a position the correction not changing location awl 71, only need adjust location awl 71 in Z epaxial ascending position can, improved the utility model discloses fix a position correction efficiency to material installation carrier 11. The position of the positioning cone 71 can be accurately adjusted by arranging the fourth XY-axis adjusting platform 73, so that the positioning precision of the material mounting carrier 11 is ensured, and the detection precision is further ensured.

With reference to fig. 1 and 2, according to an embodiment of the present invention, the automatic lens inspection device further includes: a correction unit 8. In the present embodiment, the calibration unit 8 is disposed below the material taking and placing unit 4, and is configured to identify and calibrate the position of the material picked up by the material taking and placing unit 4. In this embodiment, the calibration unit 8 includes a fixing base and a calibration camera Z-direction adjustment assembly disposed on the fixing base, the calibration camera Z-direction adjustment assembly is fixedly disposed with the calibration camera, and the calibration camera can move along the Z-direction under the driving of the calibration camera Z-direction adjustment assembly. In the present embodiment, the correction cameras are provided in two.

In the present embodiment, the correction unit 8 further includes a correction light source. Specifically, a calibration light source Z-direction adjustment assembly is disposed above the calibration camera Z-direction adjustment assembly, in this embodiment, the calibration camera Z-direction adjustment assembly and the calibration light source Z-direction adjustment assembly are both fixed on a fixing plate, the calibration light source Z-direction adjustment assembly is disposed above the calibration camera Z-direction adjustment assembly, and a calibration light source is disposed on the calibration light source Z-direction adjustment assembly. In the present embodiment, two correction light sources are similarly provided, the correction light source is located above the correction camera, and the center axes of the correction light source and the correction camera coincide with each other.

Referring to fig. 1 and 2, according to the utility model discloses an embodiment, get the material suction nozzle 431 of getting of material unit 4 and accomplish the back motion of snatching of camera lens to proofreading and correct light source top region, proofreading and correct the camera and acquire the image of two camera lenses, obtain two camera lens centers and material bearing unit 1's material installation carrier 11 after the image processing and go up center X, Y, Z counterpoint compensation coordinate value of material installation position, later according to the compensation value, get and put material unit 4 and accomplish corresponding position compensation, put the material to the material installation position.

The utility model discloses a lens automated inspection equipment's work flow as follows: the feeding is firstly carried out through the feeding and discharging unit 3 correspondingly arranged to the material taking and discharging unit 4, and then the material taking suction nozzle 431 of the material taking and discharging unit 4 adsorbs the material to be detected and is positioned to the correcting unit 8. And then the correction unit 8 detects the position of the material suction nozzle 431 for sucking the material and outputs corresponding alignment compensation coordinates. The material taking and placing unit 4 carries out X, Y direction position adjustment according to the alignment compensation coordinates, and materials are placed on the material mounting positions on the material mounting carriers 11. The driving device 13 drives the supporting table 12 to move, the supporting table sequentially passes through the central detection unit 6 and the edge detection unit 2, and finally sorting and blanking are carried out through the sorting unit 5 according to the product image processing result.

The foregoing is merely exemplary of embodiments of the present invention and reference should be made to the apparatus and structures herein not described in detail as it is known in the art to practice the same in general equipment and general methods.

The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic lens inspection apparatus, comprising:

the material bearing unit (1) is provided with a material mounting carrier (11) for bearing and conveying materials;

the edge detection unit (2) is used for detecting the edge of the material;

the feeding and discharging unit (3) is used for conveying materials to be detected and receiving the detected materials;

the material taking and placing unit (4) is used for transferring the materials to be detected on the material feeding and discharging unit (3) to the material mounting carrier (11);

the sorting unit (5) is used for transferring the detected materials on the material mounting carrier (11) to the material loading and unloading unit (3);

the edge detection unit (2) comprises: the device comprises a first visual detection module (21) for imaging the materials, a first detection light source (22) arranged opposite to the first visual detection module (21), and a lower top module (23) for sucking and lifting the materials in the material mounting carrier (11).

2. The automatic lens detection apparatus according to claim 1, characterized in that said underhead module (23) comprises: the device comprises a lower top driving mechanism (231) driven by an eccentric wheel mechanism, an ejection suction nozzle (232) installed on the lower top driving mechanism (231), and a first XY-axis adjusting platform (233) used for adjusting the position of the ejection suction nozzle (232) in the X-axis direction and the Y-axis direction.

3. The automatic lens inspection device according to claim 2, characterized in that the under-ceiling driving mechanism (231) comprises: a mounting seat (2311) fixedly connected with the first XY-axis adjusting platform (233) mutually, a first sliding mechanism (2312) arranged on the mounting seat (2311) and capable of reciprocating along the Z-axis direction, a mandril (2313) fixedly connected with the first sliding mechanism (2312) mutually, a first eccentric wheel driving mechanism (2314) arranged on the mounting seat (2311) and capable of driving the mandril (2313) to reciprocate along the Z-axis direction, and a first guide wheel (2315) arranged on the mandril (2313) and in rolling contact with the first eccentric wheel driving mechanism (2314);

the ejection suction nozzle (232) is detachably arranged on the ejector rod (2313).

4. The automatic lens detection device according to any one of claims 1 to 3, characterized in that said edge detection unit (2) further comprises: a first Z-axis driving module (24) for driving the first visual detection module (21) to move along the Z-axis direction, a second Z-axis driving module (25) for driving the first detection light source (22) to move along the Z-axis direction, and a second XY-axis adjusting platform (26) for adjusting the positions of the first visual detection module (21) and the first detection light source (22) in the plane in the X-axis and Y-axis directions;

the first visual detection module (21) and the first detection light source (22) are respectively positioned on the upper side of the material mounting carrier (11), and the lower top module (23) is positioned on the lower side of the material mounting carrier (11).

5. The automatic lens inspection device according to any one of claims 1 to 3, further comprising: a central detection unit (6) for detecting a central area of the material;

the central detection unit (6) comprises: the device comprises a second visual detection module (61) for imaging the material, a second detection light source (62) arranged opposite to the second visual detection module (61), a third Z-axis driving module (63) for driving the second visual detection module (61) to move along the Z-axis direction, and a fourth Z-axis driving module (64) for driving the second detection light source (62) to move along the Z-axis direction;

the second visual detection module (61) and the second detection light source (62) are respectively positioned at the upper side and the lower side of the material mounting carrier (11).

6. Automatic lens detection device according to claim 5, characterized in that said central detection unit (6) further comprises: a third XY-axis adjusting platform (65) for adjusting the positions of the second visual detection module (61) and the second detection light source (62) in the plane in the X-axis and Y-axis directions, and a first light shield (66) arranged on the second visual detection module (61).

7. The automatic lens inspection device according to any one of claims 1 to 3, characterized in that said pick-and-place unit (4) comprises:

a first Y-axis drive module (41);

a first X-axis drive module (42) supported by the first Y-axis drive module (41);

a first material taking module (43), wherein the first material taking module (43) is supported on the first X-axis driving module (42) and is provided with a plurality of materials side by side;

the first material taking module (43) comprises a material taking nozzle (431) for picking up materials, a first nozzle connecting piece (432) for being connected with the nozzle, a second eccentric wheel driving mechanism (433) for driving the first nozzle connecting piece (432) to reciprocate along the Z-axis direction, and a second guide wheel (434) which is arranged on the first nozzle connecting piece (432) and is in rolling contact with the second eccentric wheel driving mechanism (433).

8. The automatic lens inspection device according to any one of claims 1 to 3, characterized in that the material-carrying unit (1) comprises: a supporting table (12) for mounting the material mounting carrier (11), and a driving device (13) for driving the supporting table (12) to move;

the mounting carriers (11) are arranged on the supporting table (12) at equal intervals.

9. The automatic lens detection equipment according to claim 8, characterized in that the material mounting carrier (11) is provided with a material mounting position for mounting the material and a positioning structure for positioning;

10. The automatic lens inspection device according to claim 9, wherein the apertures of the material mounting positions in all the material mounting carriers (11) on the support table (12) are set to one or more.

11. The automatic lens inspection device according to any one of claims 1 to 3, characterized in that the loading and unloading unit (3) comprises:

the material storage bin (31), wherein a plurality of material trays (311) for containing materials are stacked in the material storage bin (31);

the fifth Z-axis driving module (32) is used for driving the storage bin (31) to reciprocate along the Z-axis direction;

and the material tray pushing and pulling module (33) is used for taking and placing the material tray (311).

12. The automatic lens inspection device according to claim 11, wherein the tray push-pull module (33) comprises: the tray lifting mechanism is used for driving the tray hook (331) to move up and down along the Z-axis direction, the hook driving mechanism (332) used for driving the tray hook (331) to move up and down in the plane, and the tray bearing table (333) used for bearing the tray (311).

13. The automatic lens inspection device according to claim 12, wherein the tray (311) is provided with a first claw connection structure (3111), and the tray claw (331) is provided with a second claw connection structure (3311);

under the driving action of the claw lifting mechanism, the second claw connecting structure (3311) and the first claw connecting structure (3111) are connected or separated with each other.

14. Automatic lens detection equipment according to any one of claims 1 to 3, characterized in that said sorting unit (5) comprises:

a second X-axis drive module (51);

a second Y-axis drive module (52) supported by the second X-axis drive module (51);

a second take-off module (53), said second take-off module (53) supported on said second Y-axis drive module (52);

a sort vision module (54) supported on the second Y-axis drive module (52);

the sorting visual module (54) and the second material taking module (53) are fixedly connected with each other and are respectively positioned at two sides of the second Y-axis driving module (52).

15. The automatic lens inspection apparatus according to claim 14, wherein the second picking module (53) comprises two sorting mechanisms (531) arranged side by side, and a pitch adjustment mechanism (532) for adjusting the pitch of the sorting mechanisms (531);

the sorting mechanism (531) comprises a sorting suction nozzle (5311) for picking up materials and a driving cylinder (5312) for driving the sorting suction nozzle (5311) to reciprocate along the Z-axis direction.

16. The automatic lens inspection device according to any one of claims 1 to 3, further comprising: a positioning unit (7) for positioning and correcting the material mounting carrier (11);

the positioning unit (7) comprises: a positioning cone (71) used for positioning and correcting the material mounting carrier (11), a positioning cone seat (72) used for supporting the positioning cone (71), and a fourth XY-axis adjusting platform (73) used for adjusting the position of the positioning cone (71) in the X-axis direction and the Y-axis direction;

the positioning cone (71) is connected with the positioning cone seat (72), and the position of the positioning cone (71) can be adjusted along the Z-axis direction;

the positioning conical seat (72) is fixedly supported on the fourth XY-axis adjusting platform (73).

17. The automatic lens inspection device according to any one of claims 1 to 3, further comprising:

the correcting unit (8) is arranged below the material taking and placing unit (4), and is used for identifying and correcting the position of the material picked up by the material taking and placing unit (4).