CN216779512U - Automatic detection equipment for appearance size of optical lens - Google Patents

Abstract

The utility model discloses automatic detection equipment for the external dimension of an optical lens, aiming at solving the problems that manual measurement adopts a contact type measurement method, the precision is low, the time consumption is long, and the lens is easy to scratch; the appearance size detection machine for the optical lenses in the market has the problems that the optical lenses need to be measured at fixed points and fixed positions and are greatly influenced by factors such as radial direction, tangential direction, image focal length, image brightness and the like, and comprises a rack, a detection box and an electric control box, wherein the detection box and the electric control box are respectively arranged at the upper end and the lower end of the rack, and a feeding belt conveyor and a discharging belt conveyor which are arranged in parallel are arranged in the detection box; be equipped with automatic checkout device between material loading belt conveyor and the unloading belt conveyor, the top of material loading belt conveyor and unloading belt conveyor is equipped with the binary channels and moves the material device. The utility model is especially suitable for the appearance size of the optical lens and has higher social use value and application prospect.

Description

Automatic detection equipment for appearance size of optical lens

Technical Field

The utility model relates to the technical field of optical lens detection, in particular to automatic detection equipment for the appearance size of an optical lens.

Background

The method has the advantages that the accurate measurement of the appearance size is needed after the optical lens is finely polished, the traditional measurement mode is a manual measurement operation mode, the obtained appearance size is inaccurate and unstable, the quality cannot be guaranteed, the error rate is high, and the manual measurement adopts a contact type measurement method, so that the precision is low, the time consumption is long, the lens is easily scratched, and the real-time online measurement cannot be realized.

With the development of the technology, some optical lens appearance size detection machines appear in the market, but the optical lens appearance size detection machines have the advantages that the optical lens needs to be measured in a fixed point and a fixed position, the influence of factors such as radial direction, tangential direction, image focal length and image brightness is large, and accurate appearance size cannot be obtained. Therefore, an automatic detection device for the external dimension of the optical lens is provided.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve or at least alleviate problems in the prior art.

The utility model provides automatic detection equipment for the appearance size of an optical lens, which comprises a rack serving as an installation base body, a detection box and an electric control box, wherein the detection box and the electric control box are respectively arranged at the upper end and the lower end of the rack;

the automatic detection device for detecting the optical lenses to be detected is arranged between the feeding belt conveyor and the discharging belt conveyor, a material tray used for transferring from the feeding belt conveyor to the discharging belt conveyor is arranged above the feeding belt conveyor and the discharging belt conveyor, and a double-channel material moving device used for transferring the optical lenses to be detected and moving out after detection to the automatic detection device is arranged above the feeding belt conveyor and the discharging belt conveyor.

Optionally, the dual-channel material moving device comprises a portal frame vertically erected above the feeding belt conveyor and the discharging belt conveyor, a tooling circulating material moving module circularly moving above the feeding belt conveyor and the discharging belt conveyor is arranged on one side of a cross beam of the portal frame, which is far away from the upper box door, and an empty tooling adsorption module for transferring a feeding disc of the feeding belt conveyor to the discharging belt conveyor is arranged on a moving end of the tooling circulating material moving module;

the opposite side level of door type frame crossbeam is equipped with first servo material module and the servo material module that moves of second, and the removal of first servo material module that moves is served and is equipped with the vacuum that is used for shifting the optical lens piece of material loading belt conveyor material loading dish to automatic checkout device and absorbs the material loading module, and the removal of the servo material module that moves of second is served and is equipped with the lens material that is used for detecting the back and moves optical lens piece to unloading belt conveyor material loading dish and get the module.

Optionally, the automatic detection device includes that the seat is placed to the lens material of waiting to detect the optical lens base as waiting, and the lower extreme that the seat was placed to the lens material is equipped with and is used for waiting to detect the horizontal 360 rotatory horizontal rotation motor of optical lens, is used for waiting to detect the vertical 360 rotatory vertical rotation motor of optical lens, is used for waiting to detect the slope motor of 30 oscillating actions in optical lens footpath tangential, and the both sides that the seat was placed to the lens material all are equipped with and are used for measuring the projection image measurement module and the automatic focusing module that is used for the focus to the projection image camera lens of waiting to detect a plurality of position sizes of optical lens from the projection that obtains simultaneously.

Optionally, the vacuum suction and feeding module comprises a CCD camera for automatically detecting the state of the optical lens to be detected and a vacuum suction head for positioning the optical lens to be detected.

Optionally, all be equipped with the charging tray stacking device on material loading storage silo and the unloading storage silo, and the charging tray stacking device is fixed in the mounting bracket of material loading storage silo or unloading storage silo both sides bottom including the symmetry, is fixed with the propelling movement cylinder of output towards material loading storage silo or the inside of unloading storage silo on the mounting bracket, and installs the charging tray frame that is used for getting into material loading storage silo or the inside in order to support the charging tray of unloading storage silo on the output of propelling movement cylinder.

Optionally, an air purification system for maintaining the interior of the detection box to be purified so as to construct a clean room is disposed on the top wall of the detection box.

Optionally, the upper end of the detection box is further provided with an operation state indicator light for displaying the detection state of the external dimension of the optical lens.

Optionally, a heat dissipation fan for discharging heat in the chassis is disposed on a side wall of the electrical control box.

Optionally, a human-computer interaction panel is installed on the upper box door, and a touch display screen for controlling automatic operation of the equipment is arranged on the human-computer interaction panel.

The utility model mainly has the following beneficial effects:

1. the optical lens to be detected respectively performs horizontal 360-degree rotation, vertical 360-degree rotation and radial tangential 30-degree swing motion on the automatic detection device, the projection image measurement module and the automatic focusing module are matched to automatically capture and analyze the external dimension of the optical lens to be detected, calculate the external dimension of the optical lens and store related data in real time, the non-contact measurement adopts an optical principle-chromatic aberration confocal principle to effectively avoid the problems that the external diameter of multiple points cannot be measured simultaneously and the height difference exists in the traditional detection, and the detection result is more accurate, reliable and stable.

2. The utility model can realize the high-speed sampling and position correction functions of the optical lens to be detected by using the control mode of the servo motor, the projection image measuring module can realize the simultaneous automatic measurement of the sizes of a plurality of parts of the optical lens from the acquired projection, the real-time data monitoring, the data acquisition and storage, the information traceability is strong, the equipment application range is wide, the utility model can be suitable for the automatic detection of optical lens products with various specifications, the image data acquisition, the comparison, the analysis and the calculation of the appearance size are carried out, the automatic measurement of the diameter, the thickness and the core point of the optical lens is realized, the operation of operators with rich experience is not needed, and the labor expenditure cost is greatly reduced.

Drawings

The above features, technical features, advantages and implementation manners of the automatic optical lens physical dimension detecting device will be further described in the following detailed description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the inspection box of the present invention;

FIG. 4 is a schematic view of a combined structure of a tray stacking device and an automatic detection device according to the present invention;

FIG. 5 is a schematic structural diagram of an automatic detection device according to the present invention;

fig. 6 is a schematic structural view of the dual-channel material moving device in the utility model.

In the figure: the system comprises a rack 1, an electrical control box 2, a lower box door 201, a cooling fan 202, a detection box 3, an air purification system 301, an operation state indicator lamp 302, an upper box door 303, a man-machine interaction panel 4, a feeding belt conveyor 5, a discharging belt conveyor 6, a feeding storage bin 701, a discharging storage bin 702, a tray stacking device 8, a mounting rack 801, a pushing cylinder 802, a tray rack 803, a double-channel material moving device 9, a door-shaped rack 901, a tooling circulating material moving module 902, an empty tooling adsorption module 903, a second servo material moving module 904, a lens material taking and placing module 905, a first servo material moving module 906, a vacuum suction material feeding module 907, a CCD camera 908, an automatic detection device 10, a horizontal rotating motor 101, a vertical rotating motor 102, an inclined motor 103, a lens material placing seat 104, a projection image measuring module 105 and an automatic focusing module 106.

Detailed Description

The utility model will be further illustrated with reference to the following figures 1-6 and examples:

example 1

The utility model provides an automatic detection device for the appearance size of an optical lens, which comprises a frame 1 as an installation base body, a detection box 3 and an electric control box 2 which are respectively arranged at the upper end and the lower end of the frame 1, wherein the side wall of the electric control box 2 is provided with a heat radiation fan 202 for discharging the heat in a machine case, the front walls of the detection box 3 and the electric control box 2 are respectively provided with an upper box door 303 and a lower box door 201 which can be opened and closed, the upper box door 303 is provided with a man-machine interaction panel 4, the man-machine interaction panel 4 is provided with a touch control display screen for controlling the automatic operation of the equipment, a feeding belt conveyor 5 and a discharging belt conveyor 6 which are arranged in parallel are arranged in the detection box 3, a feeding storage bin 701 for vertically stacking optical lens trays to be detected and a discharging storage bin 702 for vertically stacking the optical lens trays after the optical lens detection are erected above the positions, close to the upper box door 303, of the feeding belt conveyor 5 and the discharging belt conveyor 6;

an automatic detection device 10 for detecting optical lenses to be detected is arranged between the feeding belt conveyor 5 and the discharging belt conveyor 6, a material tray for transferring the optical lenses to be detected from the feeding belt conveyor 5 to the discharging belt conveyor 6 and a double-channel material transferring device 9 for transferring the optical lenses to be detected to the automatic detection device 10 and transferring the optical lenses to be detected out after detection are arranged above the feeding belt conveyor 5 and the discharging belt conveyor 6;

the feeding storage bin 701 and the discharging storage bin 702 are both provided with a material tray stacking device 8, the material tray stacking device 8 comprises mounting frames 801 symmetrically fixed at the bottom ends of two sides of the feeding storage bin 701 or the discharging storage bin 702, a propelling cylinder 802 with an output end facing the inside of the feeding storage bin 701 or the discharging storage bin 702 is fixed on the mounting frame 801, and a material tray frame 803 used for entering the inside of the feeding storage bin 701 or the discharging storage bin 702 to support a material tray is installed on the output end of the propelling cylinder 802;

in this embodiment, as shown in fig. 3 and 6, the dual-channel material moving device 9 includes a gate frame 901 vertically erected above the feeding belt conveyor 5 and the discharging belt conveyor 6, a tooling circulating material moving module 902 circularly moving above the feeding belt conveyor 5 and the discharging belt conveyor 6 is arranged on one side of a cross beam of the gate frame 901, which is far away from the upper box door 303, and an empty tooling adsorption module 903 for transferring a feeding plate of the feeding belt conveyor 5 to the discharging belt conveyor 6 is arranged on a moving end of the tooling circulating material moving module 902; a first servo material moving module 906 and a second servo material moving module 904 are horizontally arranged on the other side of the cross beam of the portal frame 901, a vacuum suction material feeding module 907 for transferring optical lenses of a material feeding disc of the material feeding belt conveyor 5 to the automatic detection device 10 is arranged on the moving end of the first servo material moving module 906, the vacuum suction material feeding module 907 comprises a CCD camera 908 for automatically detecting the state of the optical lenses to be detected and a vacuum adsorption head for positioning the optical lenses to be detected, and a lens material taking and placing module 905 for detecting the optical lenses to be moved back to the material feeding disc of the material feeding belt conveyor 6 is arranged on the moving end of the second servo material moving module 904;

in this embodiment, as shown in fig. 5, the automatic detection device 10 includes a lens material placing seat 104 serving as a base of the optical lens to be detected, a horizontal rotating motor 101 for horizontal 360-degree rotation of the optical lens to be detected, a vertical rotating motor 102 for vertical 360-degree rotation of the optical lens to be detected, and an inclined motor 103 for radial 30-degree oscillating movement of the optical lens to be detected, where the lower end of the lens material placing seat 104 is provided with a projection image measuring module 105 for simultaneously measuring sizes of a plurality of portions of the optical lens to be detected in the acquired projection and an automatic focusing module 106 for focusing a lens of the projection image, and in this embodiment, the projection image measuring module 105 is an online projection image measuring instrument;

in this embodiment, the device further comprises a defective product belt 11 for conveying the detected defective product optical lenses, and a defective product box 12 for collecting the defective product optical lenses is arranged at an output end of the defective product belt 11;

in this embodiment, a loader sequentially stacks the trays containing the optical lenses to be detected in the vertical direction in the loading storage bin 701 through the opened upper box door 303 to meet the storage requirement of the trays, and in this embodiment, the stacked trays at least need to meet the requirement of 30-minute detection;

then, the upper box door 303 is closed, a touch display screen on the human-computer interaction panel 4 is used for controlling one-key starting, the equipment is started, the material tray stacking device 8 acts, the material tray frame 803 is retracted outwards under the action of the propulsion cylinder 802 so as to leave a supported material tray, the material tray is conveyed to a lens material taking and placing module 905 of the double-channel material moving device 9 through the feeding belt conveyor 5, the lens material taking and placing module 905 respectively carries out automatic detection of the state of the optical lenses by the CCD camera 908, and the vacuum adsorption head sequentially takes materials to move the optical lenses to be detected to the lens material placing seat 104 of the automatic detection device 10;

after the optical lens to be detected is placed, the automatic detection device 10 respectively performs horizontal 360-degree rotation, vertical 360-degree rotation and radial tangential 30-degree swing motion, the projection image measurement module 105 and the automatic focusing module 106 are matched to automatically capture and analyze the automatic appearance size of the optical lens to be detected, calculate the appearance size of the optical lens and store related data in real time;

during detection, a material tray of an optical lens to be detected reaches the empty tool adsorption module 903 along with the transmission of the feeding belt conveyor 5, the empty tool adsorption module 903 is matched with the tool circulating material moving module 902 to transfer the empty material tray onto the discharging belt conveyor 6, and the empty material tray reaches a designated position along with the transmission of the discharging belt conveyor 6;

after the detection is finished, the lens material taking and placing module 905 is matched with the second servo material moving module 904 to move out the detected good optical lenses and place the good optical lenses on empty trays on the discharging belt conveyor 6 in an array manner, and the defective optical lenses are placed on a defective belt 11 and conveyed to a defective box 12;

the material discs for storing good optical lenses are vertically stacked along with the action of the material disc stacking device 8 at the blanking storage bin 702, after the material discs of the blanking storage bin 702 are full, the equipment action stops, a loading worker sequentially takes out good optical lenses from the blanking storage bin 702, places the optical lenses to be detected on empty material discs again and stacks the optical lenses at the feeding storage bin 701, and controls one key to start again through the touch display screen on the human-computer interaction panel 4 according to the steps;

it can be understood that the defective optical lens is taken out from the defective box 12 and placed at a designated defective position, distinguished, and rejected.

Example 2

The difference between this embodiment and embodiment 1 is that, as shown in fig. 1, an air purification system 301 for maintaining the air inside the detection box 3 to be purified so as to construct a clean room is disposed on the top wall of the detection box 3, so as to ensure a clean environment for optical lens detection inside the detection box 3 and improve the detection quality; the upper end of the detection box 3 is also provided with an operation state indicator lamp 302 for displaying the detection state of the appearance size of the optical lens, so that the operation state of the whole device can be conveniently and directly observed.

Other undescribed structures refer to example 1.

According to the automatic detection equipment for the external dimension of the optical lens, the optical lens to be detected respectively performs horizontal 360-degree rotation, vertical 360-degree rotation and radial-tangential 30-degree swing motion on the automatic detection device 10, the automatic capture and automatic analysis of the automatic external dimension of the optical lens to be detected are realized by matching the projection image measurement module 105 and the automatic focusing module 106, the external dimension of the optical lens is calculated, and relevant data is stored in real time, the non-contact measurement adopts an optical principle-chromatic aberration confocal principle, so that the problems that the external diameter of multiple points cannot be measured simultaneously and height difference exists in the traditional detection can be effectively avoided, and the detection result is more accurate, reliable and stable;

utilize servo motor's control mode can realize waiting to detect the high-speed sampling and the position function of mending of optical lens piece simultaneously, projection image measurement module 105 realizes the size at a plurality of positions of automatic measurement optical lens piece simultaneously in the projection of following the acquisition, real-time data monitoring, data acquisition saves, information traceability is strong, the equipment range of application is wide, the automated inspection of applicable multiple specification optical lens piece product, carry out overall dimension's image data acquisition, contrast, analysis and calculation, realize the optical lens piece diameter, the automatic measure of thickness and core point, it operates to need not experienced operating personnel, the cost of labor cost has been reduced by a wide margin.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An automatic detection device for the appearance size of an optical lens comprises a rack (1) serving as an installation base body, a detection box (3) and an electric control box (2) which are respectively arranged at the upper end and the lower end of the rack (1), wherein an upper box door (303) and a lower box door (201) which can be opened and closed are respectively arranged on the front walls of the detection box (3) and the electric control box (2), and the automatic detection device is characterized in that a feeding belt conveyor (5) and a discharging belt conveyor (6) which are arranged in parallel are arranged in the detection box (3), and a feeding storage bin (701) for vertically stacking optical lens discs to be detected and a discharging storage bin (702) for vertically stacking the optical lens discs after detection are erected above the positions, close to the upper box door (303), of the feeding belt conveyor (5) and the discharging belt conveyor (6);

be equipped with automatic checkout device (10) to waiting to detect the optical lens piece detection between material loading belt conveyor (5) and unloading belt conveyor (6), the top of material loading belt conveyor (5) and unloading belt conveyor (6) is equipped with the charging tray that is used for from material loading belt conveyor (5) to unloading belt conveyor (6) transfer to and shift to automatic checkout device (10) and wait to detect the binary channels that optical lens piece and shift out after the detection and move material device (9).

2. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 1, wherein: the double-channel material moving device (9) comprises a door-shaped frame (901) vertically erected above the feeding belt conveyor (5) and the discharging belt conveyor (6), a tool circulating material moving module (902) which circularly moves above the feeding belt conveyor (5) and the discharging belt conveyor (6) is arranged on one side, which is far away from the upper box door (303), of a cross beam of the door-shaped frame (901), and an empty tool adsorption module (903) for transferring a feeding plate of the feeding belt conveyor (5) to the discharging belt conveyor (6) is arranged at a moving end of the tool circulating material moving module (902);

the other side level of door type frame (901) crossbeam is equipped with first servo material module (906) that moves and the servo material module (904) that moves of second, and the removal of first servo material module (906) is served and is equipped with the vacuum that is used for shifting the optical lens of material loading dish to automatic checkout device (10) on the material loading belt conveyor (5) and absorbs material loading module (907), and the removal of the servo material module (904) of moving of second is served and is equipped with lens material that is used for detecting the back and moves optical lens to material loading dish of unloading belt conveyor (6) and get and put module (905).

3. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 1, wherein: automatic checkout device (10) place seat (104) including the lens material as waiting to detect the optical lens base, and the lower extreme that the lens material was placed seat (104) is equipped with and is used for waiting to detect horizontal 360 rotatory horizontal rotating electrical machines (101) of optical lens, be used for waiting to detect vertical 360 rotatory vertical rotating electrical machines (102) of optical lens, be used for waiting to detect inclined electrical machines (103) of 30 oscillating actions of optical lens footpath tangential, and the both sides that the lens material was placed seat (104) all are equipped with and are used for measuring projection image measurement module (105) and be used for the automatic focusing module (106) to projection image camera lens focus to waiting to detect a plurality of position sizes of optical lens simultaneously in the projection that obtains.

4. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 2, wherein: the vacuum suction feeding module (907) comprises a CCD camera (908) for automatically detecting the state of the optical lens to be detected and a vacuum adsorption head for positioning the optical lens to be detected.

5. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 1, wherein: all be equipped with charging tray stacking device (8) on material loading storage silo (701) and unloading storage silo (702), and charging tray stacking device (8) are fixed in mounting bracket (801) of material loading storage silo (701) or unloading storage silo (702) both sides bottom including the symmetry, be fixed with output cylinder (802) that impels towards material loading storage silo (701) or unloading storage silo (702) inside on mounting bracket (801), and install on the output of impel cylinder (802) and be used for getting into material loading storage silo (701) or unloading storage silo (702) inside with charging tray frame (803) that support the charging tray.

6. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 1, wherein: an air purification system (301) for maintaining the air purification inside the detection box (3) to construct a clean room is arranged on the top wall of the detection box (3).

7. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 1, wherein: and the upper end of the detection box (3) is also provided with an operating state indicator lamp (302) for displaying the detection state of the appearance size of the optical lens.

8. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 1, wherein: and a heat radiation fan (202) used for discharging heat in the case is arranged on the side wall of the electric control box (2).

9. The automatic inspection apparatus for the outer dimension of an optical lens according to claim 1, wherein: and the upper box door (303) is provided with a human-computer interaction panel (4), and the human-computer interaction panel (4) is provided with a touch display screen for controlling the automatic operation of the equipment.

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