CN210354650U - Automatic calibrating installation of optometry lens case - Google Patents

Automatic calibrating installation of optometry lens case Download PDF

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Publication number
CN210354650U
CN210354650U CN201920628773.2U CN201920628773U CN210354650U CN 210354650 U CN210354650 U CN 210354650U CN 201920628773 U CN201920628773 U CN 201920628773U CN 210354650 U CN210354650 U CN 210354650U
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China
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lens
laser
manipulator
lensmeter
upper computer
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CN201920628773.2U
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Inventor
曾庆威
邓玉湖
林燮佳
廖国才
王真桢
谢清群
黄双茂
邱添荣
沈奎琴
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Xiamen General Electronic Measurement Co ltd
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Xiamen General Electronic Measurement Co ltd
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Abstract

The utility model discloses an automatic calibrating device for an optometry lens box, which comprises a lensmeter, a six-axis manipulator with a machine vision system, two linear laser line devices, a camera, a lower computer and an upper computer with automatic calibrating software; lens measurement information collected by the lensometer is transmitted to the upper computer through the lower computer; the manipulator hand is an electric clamping jaw with two claws and is used for grabbing, moving and rotating the lens; the laser line marker is arranged above a lens support of the lensmeter and positioned on one side of the optical axis of the lensmeter and used for marking the geometric center position of the lens support on the lens; the camera collects image information of the lens on the lens support and transmits the image information to the upper computer through the lower computer; the lower computer controls the lensmeter, the manipulator, the two laser line markers and the camera and communicates with the upper computer; the upper computer is used for operating software and controlling the lower computer to finish the automatic verification process. The utility model discloses but the automatic generation original record and certificate, the verification result is accurate reliable, lays the basis for the verification is intelligent.

Description

Automatic calibrating installation of optometry lens case
Technical Field
The utility model relates to an automatic calibrating installation of ophthalmology measuring apparatus, concretely relates to automatic calibrating installation of optometry lens case.
Background
The optometric lens box is a combination of various optometric lenses (lenses embedded in a frame for measuring ametropia of a human eye), and is an ophthalmologic measuring instrument for examining the ametropia state, strabismus, amblyopia and other visual functions of the human eye in ophthalmology, glasses stores and the like in hospitals. In order to ensure the accuracy and reliability of the measurement performance of the optometry lens box, the optometry lens box needs to be verified periodically according to the verification rules of JJG 579-.
The optometry lens box is generally calibrated by a lensometer based on an automatic focusing principle. The common structural principle of such lensmeters is: the light that the light source sent becomes parallel light behind collimating lens, and parallel light passes and takes place to deflect behind the lens that is placed on the lens support that is surveyed, through foraminiferous diaphragm, falls on the formation and measures the image on photoelectric position detector, and the lensmeter carries out analysis processes back to measuring the image, obtains the measurement information such as the focal power of lens, prism degree, cylinder lens refractometry lens axis position, prism refractometry lens base line and the skew position of lensmeter's optical axis of optical center and shows on the screen.
When using such a focal length meter, the examiner needs to manually adjust the orientation of the lens to be measured on the lens holder to obtain an accurate measurement result. However, the manual adjustment process is complicated, the verification efficiency is low, the labor intensity is high, and human errors are easily introduced.
Patent application No. 201811411679.8 discloses a lens parameter non-contact detection device and method, 201811411831.2 discloses a lens parameter contact detection device and method, both of which are technically characterized in that a clamping mechanism is utilized to clamp the circumferential surface of a measured lens, the measured lens is sent to the lower part of a light source component of a lensmeter, and the optical center of the measured lens is aligned with the light beam center of the light source component, and then the measured lens parameters are detected, but the two defects exist:
1. the clamping mechanisms in the two inventions can only determine the geometric center position of the measured lens, but cannot determine the optical center position of the measured lens, namely, the optical center of the measured lens cannot be aligned with the light beam center of the light source assembly;
2. the clamping mechanisms in the two inventions can not automatically rotate the lenses, so that the axial position of the cylindrical lens and the base line of the prism lens can not be automatically measured according to the verification regulation of JJJG 579-2010 Optometry lens case.
Patent application No. 201710417556.4 discloses an automatic focal power meter and a detection method, the invention automatically controls a driving mechanism through an operating system to move a measured lens up and down, back and forth and left and right until an optical center of the measured lens is found and positioned, and finally, the automatic measurement is carried out. However, the invention still has the following defects:
1. the invention can not ensure the tested lens and the lens support to be jointed in the measuring process, which can cause measuring errors;
2. the invention can not automatically rotate the lens, so the axial position of the cylindrical lens and the base line of the prism lens can not be automatically measured according to the verification regulation of JJG579 and 2010 (case for lens inspection).
Disclosure of Invention
The utility model aims at providing an automatic calibrating installation of optometry lens case, the device can place optometry lens (hereinafter referred to as lens) on the lens support of lensometer automatically, then adjusts the lens position and examine and determine according to the requirement of examination regulation, and original record of last automatic generation and certificate realize the automation of optometry lens case examination.
In order to achieve the above purpose, the utility model relates to an automatic calibration device for an optometry lens box, which comprises a lensometer, a manipulator, a first laser line marker, a second laser line marker, a camera, a lower computer and an upper computer with automatic calibration software; the focal power meter is an automatic focusing focal power meter and is in communication connection with the lower computer, and is used for collecting measurement information of the top focal power of the lens, the prism power, the axial position of the cylindrical lens refractor, the base line of the cylindrical lens refractor and the direction of the optical center deviating from the optical axis of the focal power meter and uploading the measurement information to the upper computer through the lower computer; the manipulator is a six-axis manipulator with a machine vision system, the hand part of the manipulator is an electric clamping jaw with two claws, one opposite side of the two claws is made of elastic materials, the opposite side of the two elastic materials is a plane and is respectively vertical to the motion direction of the claws, the electric clamping jaw can clamp the edges of two axial sides of the lens by the tail ends of the two claws and move or rotate, the edges of two radial sides of the lens can also be clamped by the two claws and move or rotate, the clamping condition of the electric clamping jaw can be observed when the center sight line of the machine vision system is on the plane of a contact surface when the claws are tightly attached, and the manipulator is used for grabbing, moving and rotating the lens; the first laser striping machine is a linear laser striping machine, is arranged above a lens support of the lensometer and is positioned on one side of the optical axis of the lensometer, and the laser sector surface of the first laser striping machine is superposed with the optical axis of the lensometer and is used as an axial position mark of the lensometer; the second laser striping machine is a linear laser striping machine, is arranged above a lens support of the lensmeter and is positioned on one side of the optical axis of the lensmeter, the laser sector surface of the second laser striping machine passes through the optical axis of the lensmeter and is vertical to the laser sector surface of the first laser striping machine, and the first laser striping machine and the second laser striping machine are used for marking the geometric center position of the lens support on the lens; the camera is arranged on the lensometer through the camera bracket, enables the lens to be aligned with the lens support, is used for collecting lens image information on the lens support and transmits the lens image information to the upper computer through the lower computer; the lower computer is used for controlling the lensmeter, the manipulator, the first laser striping machine, the second laser striping machine and the camera and communicating with the upper computer; the upper computer is used for operating software and controlling the lower computer to finish an automatic verification process.
The elastic material at the opposite side of the two claws of the electric clamping jaw is solid rubber, and can also be other solid elastic materials with good elasticity, small elastic coefficient and large friction coefficient with the mirror frame.
The lower computer belongs to the prior art, the provider is Xiamen Tongdi electronic Limited company, the address is No. 6 Central American No. 5 building 2101 room in the Guinea region in the Hurrian area of Ximen, Xili, the product name is an automatic verification Controller of an optometry lens box, the product model is AVOTCL Controller-2018, the marketing date is 12 months in 2018, and the lower computer is used for controlling a lensometer, a mechanical arm, a first laser line marker, a second laser line marker and a camera and is communicated with the upper computer.
The automatic verification software belongs to the prior art, and is provided by Xiamen Tongdi electronic Limited company, and is addressed to No. 6 Central American No. 5 building 2101 in the Guinea area in the Hurrian area of Ximen, the name of the software is automatic verification software of an optometry lens box, the version number is TL-H V1.0.0, the marketing date is 12 months in 2018, the software is used for controlling an automatic verification device to automatically place lenses on a lens support according to a program, then the orientation of the lenses is adjusted and verified according to the requirements of verification regulations, and finally, original records and certificates are automatically generated, so that the automatic verification of the optometry lens box is realized.
The utility model relates to an automatic calibrating installation of optometry lens case's examination operating procedure as follows:
1. opening the optometry lens box, checking the appearance of the optometry lens box by visual inspection, if the appearance meets the requirement, continuing to perform the verification of the following steps, otherwise, not performing the verification;
2. placing the optometry lens box beside the automatic verification device to ensure that each lens in the optometry lens box can be grabbed by a manipulator;
3. starting an upper computer and a lower computer, running software, and starting automatic verification after inputting relevant information of the optometry lens box;
4. taking out the lens and placing the lens on a lens support;
5. the camera collects image information of a lens on the lens support and transmits the image information to the upper computer through the lower computer, the upper computer analyzes and processes the image information, and lens information of the lens type and the nominal value of the top focal power or the prism power is obtained and stored according to the lens mark;
when the collected image information has a lens mark, the following steps are continuously executed; when the acquired image information has no lens mark, the steps 6 and 7 are not executed;
6. optometric lens metrology performance
The upper computer selects a corresponding type of verification steps from the step 6.1 to the step 6.3 according to the type of the lens to carry out metrological performance verification;
6.1, ball lens optometry lens
6.1.1, vertex power
Adjusting the orientation of the lens to ensure that the optical center of the lens is superposed with the optical axis of the lensmeter and the prism degree indication value is minimum or zero, and uploading the top focal power collected by the lensmeter to an upper computer for storage by a lower computer;
6.1.2 optical center shift
After the step 6.1.1, adjusting the orientation of the lens to enable the geometric center of the lens to be located at the geometric center of the lens support and the vertical direction prism degree to be zero, and uploading the prism degree in the horizontal direction collected by the lensometer to an upper computer for storage by a lower computer;
6.2 cylindrical lens
6.2.1, vertex power
Adjusting the position of the lens to enable the axial position of the lens to fall in the direction of 0-180 degrees and the optical center of the lens to coincide with the optical axis of the lensmeter, and uploading the spherical power, the cylindrical power and the inherently carried prism power collected by the lensmeter to an upper computer for storage by a lower computer;
6.2.2, axial position
After the step 6.2.1, opening a first laser striping machine, adjusting the orientation of the lens, enabling the axial position mark of the lens to coincide with a laser line projected on the mirror ring by the first laser striping machine, closing the first laser striping machine, and uploading the axial position error collected by the lensometer to an upper computer by a lower computer for storage;
6.2.3 optical center Displacement
After the step 6.2.2, adjusting the position of the lens to ensure that the geometric center of the lens is positioned at the geometric center of the lens support, and uploading the prism degree indication value in the direction of 0-180 degrees acquired by the lensometer to an upper computer for storage by a lower computer;
6.3 prism optometry lens
6.3.1 degree of prism
Adjusting the orientation of the lens to enable the optical center of the lens to fall in the direction of 0-180 degrees of the optical axis of the lensmeter, and uploading the prism, spherical power and cylindrical power collected by the lensmeter to an upper computer for storage by a lower computer;
6.3.2 prism Optometry lens base line
After the step 6.3.1, opening a first laser striping machine, adjusting the orientation of the lens, enabling the baseline mark of the lens to be overlapped with a laser line projected on the lens ring by the first laser striping machine, closing the first laser striping machine, and uploading the baseline deviation indication value of the prism optometry lens collected by the lensmeter to an upper computer for storage by a lower computer;
7. adjusting the position of the lens to ensure that the geometric center of the lens is positioned at the geometric center of the lens support, and loosening the electric clamping jaw;
8. the mechanical arm clamps the edges of two axial sides of the lens by using the tail ends of the claws of the electric clamping jaws and takes the lens off the lens support;
9. the mechanical arm turns over one surface of the lens and then places the lens on the lens support, and the step 5 to the step 8 are executed again to finish the verification of the other surface;
10. the mechanical arm puts the lens back to the original position of the optometry lens box;
11. repeating the steps 4 to 10 to finish the verification of the other lenses in the optometry lens box;
12. and the upper computer performs data processing on the stored information according to the requirements of the verification regulations and generates original records and certificates.
The step 4 of the operation of taking out the lens and placing the lens on the lens support is as follows: the mechanical arm identifies and positions each lens in the optometry lens box through a machine vision system of the mechanical arm, selects a lens which is not verified according to the visual angle of the machine vision system from left to right and from near to far, then uses the tail ends of the claws of the electric clamping jaws to clamp the edges of two axial sides of the lens, moves or rotates the lens to the upper part of the lens support, continues to move or rotate the lens according to image information collected by the machine vision system and a camera until the lower surface of the lens is attached to the surface of the lens support, and the geometric center of the lens is positioned at the geometric center of the lens support, releases the electric clamping jaws, and then the lens is placed on the lens support.
The operation of adjusting the lens orientation in the 6 th and 7 th steps is:
the manipulator firstly adjusts the lens orientation from the step (1), otherwise, the manipulator firstly adjusts the lens orientation from the step (3):
(1) determining the origin
Taking the geometric center of the surface of the lens support as an origin;
(2) determining the reference orientation
The manipulator enables the geometric center of the lens to be located at the geometric center of the lens support, the projection position of the geometric center of the lens on the surface of the lens support is coincided with the original point, and the upper computer takes the position of the manipulator as a reference position; the operation steps of the manipulator to locate the geometric center of the lens at the geometric center of the lens holder are as follows: firstly, when a lens is placed on a lens support of a lensmeter, a mechanical arm observes a lens frame of the lens by using a machine vision system, finds and determines the positions suitable for clamping the edges of two radial sides of the lens, and adjusts an electric clamping jaw to enable the moving direction of the jaw to be parallel to the surface of the lens support; secondly, opening a first laser line marker and a second laser line marker, clamping the position suitable for clamping at the two radial side edges of the lens by a mechanical hand through a claw, then moving or rotating the lens according to the image information acquired by the camera until the distance between the intersection point of the laser line and the outer edge or the inner edge of the lens ring in the two laser line directions is the farthest, wherein the motion track of each point of the electric clamping jaw is parallel to the surface of the lens support in the clamping, moving or rotating process of the mechanical hand, and the geometric center of the lens is positioned at the geometric center of the lens support; finally, closing the first laser striping machine and the second laser striping machine;
(3) lens orientation adjustment
(3.1) moving or rotating the lens by the manipulator according to the original point, the reference position, the measurement information acquired by the lensmeter and the image information acquired by the camera until the lens is positioned at a proper verification position, wherein the motion track of each point of the electric clamping jaw is parallel to the surface of the lens support in the moving or rotating process of the manipulator;
(3.2) the upper computer compares and analyzes the position of the manipulator and the reference position at the moment, the distance of the geometric center of the lens on the surface of the lens support deviating from the geometric center of the lens support can be calculated, and if the distance between the geometric center of the lens and the reference position is greater than the radius of the lens support, the electric clamping jaw slightly inclines towards the original point direction;
(3.3) slightly pressing the lens on the lens support;
and (3.4) the upper computer judges whether the lens is positioned at the proper verification orientation according to the original point, the reference orientation, the current orientation of the manipulator, the measurement information collected by the lensmeter and the image information collected by the camera, and if not, the step (3.1) is executed again to ensure that the lens is positioned at the proper verification orientation.
The utility model relates to an automatic calibrating installation of optometry lens case has following technical characterstic and beneficial effect:
(1) the device can automatically place the optometry lens on the lens support of the lensometer, adjust the lens position and examine and determine according to the requirement of the examination regulation, automatically generate original record and certificate, realize the automation of examining and determining.
(2) The manipulator replaces manual adjustment of the lens position, so that human errors are eliminated, and the verification result is more accurate and reliable.
(3) And a foundation is provided for verification intellectualization through the matching of the mechanical arm and the camera.
Drawings
Fig. 1 is the structure schematic diagram of the automatic calibrating device for the optometry lens box of the utility model.
Fig. 2 is a schematic side view of the lensmeter of fig. 1 with the camera mounted thereon.
Fig. 3 is a schematic front view of the lensmeter of fig. 1 with the camera mounted thereon.
Fig. 4 is a schematic structural view of the robot hand of fig. 1.
Fig. 5 is a schematic structural view of the electric jaw in fig. 4.
Fig. 6 is a block diagram of the structure principle of the automatic calibrating apparatus for the optometry lens box of the present invention.
Reference numerals: the device comprises a lensometer 1, a first laser striping machine 1-1, a second laser striping machine 1-2, a lens support 1-3, a mechanical arm 2, a machine vision system 2-1, an electric clamping jaw 2-2, a claw 2-3, an elastic material 2-4, a camera 3, a camera support 4, a lower computer 5, an upper computer 6 and an optometry lens box 7.
Detailed Description
The automatic calibrating device for the optometry lens box of the present invention will be described in further detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 5, the utility model relates to an automatic calibrating installation of optometry lens case includes lensmeter 1, manipulator 2, first laser marker 1-1, second laser marker 1-2, camera 3, next computer 5 and takes the host computer 6 of automatic examination software.
The lensometer 1 is a lensometer based on an automatic focusing principle, has the same structural principle as described in the technical background, removes a printing mechanism, adds a communication function with the lower computer 5, and is used for collecting measurement information such as the vertex power of a lens, the prism power, the axial position of a cylindrical lens, the base line of the prism lens and the direction of an optical center deviating from the optical axis of the lensometer, and uploading the measurement information to the upper computer 6 through the lower computer 5.
The mechanical arm 2 is a six-axis mechanical arm 2 with a machine vision system 2-1, the hand part is an electric clamping jaw 2-2 with two claws 2-3, and the mechanical arm 2 is used for grabbing, moving or rotating the lens; the opposite sides of the two claws 2-3 in the electric clamping jaw 2-2 are made of elastic materials 2-4, the elastic materials 2-4 have good elasticity, small elastic coefficient and large friction coefficient with a mirror frame, the opposite sides of the two elastic materials 2-4 are planes and are respectively vertical to the moving direction of the claws 2-3, the electric clamping jaw 2-2 can clamp the edges of two axial sides of a lens by the tail ends of the two claws 2-3 and move or rotate, and the edges of two radial sides of the lens can also be clamped by the two claws 2-3 and move or rotate; the central sight line of the machine vision system 2-1 is on the plane where the contact surface is located when the claw 2-3 is attached tightly, and the clamping condition of the electric clamping jaw 2-2 can be observed.
The first laser striping machine 1-1 is a linear laser striping machine, is arranged above a lens support 1-3 of the lensometer 1 and on one side of the optical axis of the lensometer, and the laser sector surface of the first laser striping machine is superposed with the optical axis of the lensometer and is used as an axial position mark of the lensometer 1.
The second laser striping machine 1-2 is a linear laser striping machine and is arranged above the lens support 1-3 of the lensometer 1 and on one side of the optical axis of the lensometer, the laser sector surface of the second laser striping machine passes through the optical axis of the lensometer and is vertical to the laser sector surface of the first laser striping machine 1-1, and the first laser striping machine 1-1 and the second laser striping machine 1-2 are used for marking the geometric center position of the lens support 1-3 on the lens.
The camera 3 is arranged on the lensometer 1 through the camera bracket 4, enables the lens to be aligned with the lens support 1-3, is used for collecting lens image information on the lens support 1-3 and is uploaded to the upper computer 6 through the lower computer 5;
the lower computer 5 is used for controlling the lensmeter 1, the manipulator 2, the first laser striping machine 1-1, the second laser striping machine 1-2 and the camera 3 and communicating with the upper computer 6.
The upper computer 6 is used for operating software and controlling the lower computer 5 to complete an automatic verification process.
The automatic verification software is used for controlling the automatic verification device to automatically place the lens on the lens support 1-3 according to a program, then adjusting the orientation of the lens according to the requirements of verification regulations and verifying, and finally automatically generating original records and certificates to realize the automatic verification of the optometric lens box 7.
The method of this embodiment takes the lens out of the prescription case 7 and places it on the lens holders 1-3:
the mechanical arm 2 uses the tail ends of the claws 2-3 of the electric clamping claws 2-2 to clamp the edges of two axial sides of the lens and takes the lens out of the optometry lens box 7, and moves or rotates the lens above the lens support 1-3. The mechanical arm 2 moves or rotates the lens according to the image information collected by the machine vision system 2-1 and the camera 3 until the lower surface of the lens is attached to the surface of the lens support 1-3 and the geometric center of the lens is located at the geometric center of the lens support 1-3, and the electric clamping jaw 2-2 is loosened, and then the lens is placed on the lens support 1-3.
The method of this embodiment for locating the geometric center of the lens at the geometric center of the lens holder 1-3:
1. when the lens is placed on the lens support 1-3 of the lensmeter 1, the manipulator 2 uses the machine vision system 2-1 to observe the frame of the lens, find and determine the position of the radial two side edges of the lens suitable for clamping, and adjust the electric clamping jaw 2-2 to make the moving direction of the jaw 2-3 parallel to the surface of the lens support 1-3.
2. The first laser striping machine 1-1 and the second laser striping machine 1-2 are opened, the manipulator 2 uses the claws 2-3 to clamp the position suitable for clamping of the radial two side edges of the lens, then the lens is moved or rotated according to the image information collected by the camera 3 until the distance between the laser line and the intersection point of the outer edge or the inner edge of the lens ring is farthest in the direction of the two laser lines, the motion track of each point of the electric clamping jaw 2-2 is parallel to the surface of the lens support 1-3 in the clamping, moving or rotating process of the manipulator 2, and the geometric center of the lens is located at the geometric center of the lens support 1-3.
3. The first laser striper 1-1 and the second laser striper 1-2 are closed.
The utility model discloses method in adjustment lens position:
the robot first adjusts the lens orientation beginning at step 1, otherwise beginning at step 3.
1. Determining origin
The geometric center of the lens carrier surface is taken as the origin.
2. Determining a reference orientation
The mechanical arm enables the geometric center of the lens to be located at the geometric center of the lens support, the projection position of the geometric center of the lens on the surface of the lens support coincides with the original point, and the upper computer takes the position of the mechanical arm at the moment as a reference position.
3. Lens orientation adjustment
3.1, moving or rotating the lens by the manipulator according to the original point, the reference position, the measurement information acquired by the lensmeter and the image information acquired by the camera until the lens is located at a proper verification position, wherein the motion trail of each point of the electric clamping jaw is parallel to the surface of the lens support in the moving or rotating process of the manipulator.
And 3.2, the upper computer compares and analyzes the position of the manipulator and the reference position at the moment, the distance of the geometric center of the lens on the surface of the lens support deviating from the geometric center of the lens support can be calculated, and if the distance between the geometric center of the lens and the reference position is greater than the radius of the lens support, the electric clamping jaw slightly inclines towards the original point direction.
3.3, slightly pressing the lens on the lens support.
And 3.4, judging whether the lens is positioned at the proper verification position by the upper computer according to the original point, the reference position, the current position of the manipulator, the measurement information collected by the lensmeter and the image information collected by the camera, and if not, executing the step 3.1 again to ensure that the lens is positioned at the proper verification position.
The steps of using the automatic calibrating device for the optometry lens box of the embodiment to calibrate the optometry lens box 7 are as follows:
1. the optometric lens case 7 was opened, and the appearance thereof was checked by visual observation. If the appearance meets the requirement, the following steps are carried out, otherwise, the verification is not carried out.
2. Place optometry lens case 7 by automatic calibrating installation, ensure that manipulator 2 can snatch each lens in optometry lens case 7.
3. And starting the upper computer 6 and the lower computer 5, running software, and starting automatic verification after inputting relevant information of the optometry lens box 7.
4. The manipulator 2 identifies and positions each lens in the optometry lens box 7 through the machine vision system 2-1, selects a lens which is not yet verified according to the visual angle of the machine vision system 2-1 from left to right and from near to far, then uses the tail ends of the claws 2-3 of the electric clamping jaws 2-2 to clamp the edges of the two axial sides of the lens, and takes out and places the lens on the lens support 1-3.
5. The camera 3 collects image information of the lenses on the lens supports 1-3 and transmits the image information to the upper computer 6 through the lower computer 5. The upper computer 6 analyzes and processes the image information, and obtains and stores lens information such as the type of the lens (sphere lens, cylinder lens, prism lens, etc.) and the nominal value of the vertex power or prism power according to the lens mark.
If the acquired image information has no lens mark, steps 6 and 7 are not performed.
6. Optometric lens metrology performance
And the upper computer 6 selects corresponding verification steps from the step 6.1 to the step 6.3 according to the type of the lens to perform metrological performance verification.
6.1, ball lens optometry lens
6.1.1, vertex power
The manipulator 2 adjusts the lens position to ensure that the optical center of the lens is superposed with the optical axis of the lensmeter and the prism degree indicating value is minimum or zero, and the lower computer 5 uploads the top focal power (spherical power and cylindrical power) acquired by the lensmeter 1 to the upper computer 6 for storage;
6.1.2 optical center shift
After the step 6.1.1, the manipulator 2 adjusts the orientation of the lens to enable the geometric center of the lens to be located at the geometric center of the lens support 1-3 and the vertical direction prism degree to be zero, and the lower computer 5 uploads the prism degree in the horizontal direction collected by the lensometer 1 to the upper computer 6 for storage;
6.2 cylindrical lens
6.2.1, vertex power
The manipulator 2 adjusts the lens position to enable the lens axis position to fall in the direction of 0-180 degrees and the optical center of the lens to coincide with the optical axis of the lensometer, and the lower computer 5 uploads the spherical power, the cylindrical power and the inherently carried prism power collected by the lensometer 1 to the upper computer 6 for storage;
6.2.2, axial position
After the step 6.2.1, opening the first laser line marker 1-1, adjusting the orientation of the lens by the manipulator 2 to enable the axial position mark of the lens to coincide with a laser line projected on a mirror ring by the first laser line marker 1-1, closing the first laser line marker 1-1, and uploading the axial position error collected by the lensometer 1 to the upper computer 6 for storage by the lower computer 5;
6.2.3 optical center Displacement
And 6.2.2, adjusting the orientation of the lens by the manipulator 2 to enable the geometric center of the lens to be positioned at the geometric center of the lens support 1-3, and uploading the prism degree indication value in the 0-180-degree direction acquired by the lensometer 1 to the upper computer 6 by the lower computer 5 for storage.
6.3 prism optometry lens
6.3.1 degree of prism
The manipulator 2 adjusts the lens position to enable the optical center of the lens to fall in the direction of 0-180 degrees of the optical axis of the lensmeter, and the lower computer 5 uploads the prism, spherical and cylindrical power collected by the lensmeter 1 to the upper computer 6 for storage.
6.3.2 prism Optometry lens base line
And 6.3.1, opening the first laser striping machine 1-1, adjusting the orientation of the lens by the manipulator 2 to enable the baseline mark of the lens to be superposed with the laser line projected on the lens ring by the first laser striping machine 1-1, closing the first laser striping machine 1-1, and uploading the baseline deviation indication value of the prism optometry lens collected by the lensometer 1 to the upper computer 6 for storage by the lower computer 5.
7. The mechanical arm 2 adjusts the position of the lens to ensure that the geometric center of the lens is positioned at the geometric center of the lens support 1-3, and the electric clamping jaw 2-2 is loosened.
8. The mechanical arm 2 uses the tail ends of the claws 2-3 of the electric clamping claws 2-2 to clamp the edges of two axial sides of the lens and takes the lens off the lens support 1-3.
9. And the mechanical arm 2 turns one surface of the lens and then places the lens on the lens support 1-3, and the step 5 to the step 8 are executed again to finish the verification of the other surface.
10. The robot 2 replaces the lens in the prescription lens box 7.
11. Repeating the steps 4 to 10 to finish the detection of the other lenses in the optometry lens box 7;
12. and the upper computer 6 performs data processing on the stored information according to the requirements of the verification regulations and generates original records and certificates.

Claims (1)

1. The utility model provides an automatic calibrating installation of optometry lens case, characterized by: the device comprises a lensmeter, a manipulator, a first laser line marker, a second laser line marker, a camera, a lower computer and an upper computer with automatic verification software; the focal power meter is an automatic focusing focal power meter and is in communication connection with the lower computer, and is used for collecting measurement information of the top focal power of the lens, the prism power, the axial position of the cylindrical lens refractor, the base line of the cylindrical lens refractor and the direction of the optical center deviating from the optical axis of the focal power meter and uploading the measurement information to the upper computer through the lower computer; the manipulator is a six-axis manipulator with a machine vision system, the hand part of the manipulator is an electric clamping jaw with two claws, one opposite side of the two claws is made of elastic materials, the opposite side of the two elastic materials is a plane and is respectively vertical to the motion direction of the claws, the electric clamping jaw can clamp the edges of two axial sides of the lens by the tail ends of the two claws and move or rotate, the edges of two radial sides of the lens can also be clamped by the two claws and move or rotate, the clamping condition of the electric clamping jaw can be observed when the center sight line of the machine vision system is on the plane of a contact surface when the claws are tightly attached, and the manipulator is used for grabbing, moving and rotating the lens; the first laser striping machine is a linear laser striping machine, is arranged above a lens support of the lensometer and is positioned on one side of the optical axis of the lensometer, and the laser sector surface of the first laser striping machine is superposed with the optical axis of the lensometer and is used as an axial position mark of the lensometer; the second laser striping machine is a linear laser striping machine, is arranged above a lens support of the lensmeter and is positioned on one side of the optical axis of the lensmeter, the laser sector surface of the second laser striping machine passes through the optical axis of the lensmeter and is vertical to the laser sector surface of the first laser striping machine, and the first laser striping machine and the second laser striping machine are used for marking the geometric center position of the lens support on the lens; the camera is arranged on the lensometer through the camera bracket, enables the lens to be aligned with the lens support, is used for collecting lens image information on the lens support and transmits the lens image information to the upper computer through the lower computer; the lower computer is used for controlling the lensmeter, the manipulator, the first laser striping machine, the second laser striping machine and the camera and communicating with the upper computer; the upper computer is used for operating software and controlling the lower computer to finish an automatic verification process.
CN201920628773.2U 2019-05-05 2019-05-05 Automatic calibrating installation of optometry lens case Expired - Fee Related CN210354650U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110025286A (en) * 2019-05-05 2019-07-19 厦门通测电子有限公司 A kind of lens box for optometry automatic calibrator and calibration method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110025286A (en) * 2019-05-05 2019-07-19 厦门通测电子有限公司 A kind of lens box for optometry automatic calibrator and calibration method
CN110025286B (en) * 2019-05-05 2023-10-27 厦门通测电子有限公司 Automatic calibrating device and calibrating method for optometry lens box

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