CN209736950U - Micro-nano assembly platform device based on machine vision - Google Patents
Micro-nano assembly platform device based on machine vision Download PDFInfo
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- CN209736950U CN209736950U CN201920054536.XU CN201920054536U CN209736950U CN 209736950 U CN209736950 U CN 209736950U CN 201920054536 U CN201920054536 U CN 201920054536U CN 209736950 U CN209736950 U CN 209736950U
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Abstract
The project provides a micro-nano assembly platform device based on machine vision. A machine vision system is introduced to break through the problem of large-range high-precision assembly, the preset template is matched and positioned by using machine vision, the tail end positioning error of the large-stroke motion system is compensated by using a two-dimensional motion platform microscope, and finally the large-stroke assembly with the precision reaching the micro-nano level is realized.
Description
Technical Field
The utility model relates to an assembly technique, concretely relates to big stroke, precision can reach the assembly technique of receiving level a little.
Background
with the rapid development of modern production, the processing size of devices has entered the micro-nano level in many technical fields such as electronics, optics, mechanical manufacturing, and the like. The assembly precision required by chip packaging, optical fiber coupling module assembly, MEMS device processing and the like is micro-nano precision, and in order to meet the requirement of large-scale mass production of products, a positioning system with high speed, large stroke, high precision and high stability is urgently needed. Large stroke servo motion platforms tend to have difficulty in achieving such high precision positioning. A machine vision alignment method and a device thereof (201310464698.8) have been applied for by Shanghai university, and relate to a machine vision alignment technology, ABB research Inc. has applied for a vision guide alignment system and a method (201180041489.1), and relate to a technology for aligning a vision guide alignment system of a plurality of components, but both are not suitable for the assembly of large stroke and micro-nano precision.
SUMMERY OF THE UTILITY MODEL
the utility model discloses a solve the problem of high accuracy location, provided a receive assembly platform device a little based on machine vision, the utility model discloses introduce machine vision system and break through high accuracy assembly problem on a large scale, utilize the image matching technique, realize receiving the location of level a little, with the technique of the terminal positioning error of the big stroke motion system of two-dimensional motion platform microscope compensation, finally realize that the precision can reach receiving the big stroke assembly of level a little.
a micro-nano assembly platform device based on machine vision mainly comprises: the device comprises an optical lens, a lens cone, a belt, a motor, a zoom ring, an objective lens, a two-dimensional motion platform, an element to be assembled, an assembled element, a microscopic amplification system, a connecting support, a coarse focusing device, a microscope support, a data line, an upper computer and a control line. The two-dimensional motion platform is placed on the base, the two-dimensional motion platform is provided with a component to be assembled and a component to be assembled, the microscope support is installed on the base, the coarse focusing device is installed on the microscope support, the coarse focusing device is connected with the lens cone through the connecting support, the lens, the objective lens and the camera form an optical acquisition system, the motor and the zooming ring are connected through the belt, the camera is connected onto the upper computer through the data line, and the two-dimensional motion platform is connected onto the upper computer through the control line.
Furthermore, a two-dimensional motion platform in the device is placed on the base, so that the motion in two vertical directions on the same plane can be realized, the element to be assembled is placed on the two-dimensional motion platform, and the motion of the element to be assembled is realized along with the motion of the two-dimensional motion platform.
Furthermore, a coarse focusing device in the device is connected with the lens barrel through a connecting support, the lens, the objective lens and the camera form an optical acquisition system, and the optical acquisition system is used for acquiring optical images.
Furthermore, a data line in the device connects the camera to an upper computer, a control line connects the two-dimensional motion platform to the upper computer, and the upper computer receives data from the camera and controls the motion of the two-dimensional motion platform through the control line.
Further, the motor in the device drives the belt to adjust the zoom ring to continuously change the magnification and field of view of the system.
Furthermore, images of the component to be assembled and the assembled object in the device are imaged on the camera through the objective lens and the lens, so that the upper computer obtains the image of the device.
Further, the upper computer in the device identifies the positions of the component to be assembled and the component to be assembled, the positions of the marks on the component to be assembled and the component to be assembled are obtained through the camera, template matching is carried out, and the positions of the component to be assembled and the component to be assembled are obtained.
further, the device subtracts the position of the component to be assembled from the position of the component to be assembled, thereby obtaining a difference in position between the component to be assembled and the component to be assembled.
further, the device sends the position difference between the component to be assembled and the component to be assembled to an upper computer, and the upper computer drives the two-dimensional motion platform to move, so that the component to be assembled and the component to be assembled are aligned and assembled.
compared with the prior art, the beneficial effects of the utility model are that:
a micro-nano assembly platform device based on machine vision adopts an optical amplification system and a high-resolution camera to collect micro-nano images, and simultaneously adopts a template matching technology to obtain positioning data within the last 1mm range, and the positioning data is sent to an upper computer to drive a two-dimensional mobile platform to align, so that the micro-nano level assembly is finally realized. The project meets the supporting direction of new generation information technology and high-end equipment in the implementation planning of new and old kinetic energy conversion major projects. Therefore, artificial vision is replaced, the precision is improved, the precision reaches the micro-nano level, and meanwhile, the assembly efficiency is also improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a side view of the whole system of a micro-nano assembly platform device based on machine vision according to the present invention;
fig. 2 is a top view of a partial assembly area of a micro-nano assembly platform device based on machine vision according to the present invention;
In the figure: 1. a camera; 2. an optical lens; 3. a lens barrel; 4. a belt; 5. an electric motor; 6. a zoom ring; 7. an objective lens; 8. a workpiece clamping device; 9. a connecting rod; 10. a linkage shaft; 11. a support bracket; 12. a two-dimensional motion platform; 13. a component to be assembled; 14. an assembled element; 15. an optical collection system; 16. connecting a bracket; 17. a coarse focusing device; 18. a microscope stand; 19. a marking on the component to be assembled; 20. a marking on the mounted component; 21. a data line; 22. an upper computer; 23. and controlling the lines.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Just as saying in the introduction, along with the rapid development of modern production, in numerous technical fields such as electron, optics, mechanical manufacturing, the machining dimension of device has got into receiving the level a little, in order to satisfy the large-scale batch production requirement of receiving the level product a little, the utility model provides a receive assembly platform device a little based on machine vision a little, make the precision reach receiving the level a little.
In a typical embodiment of the present application, as shown in fig. 1, a micro-nano assembly platform device based on machine vision includes a camera 1, an optical lens 2, a lens barrel 3, a belt 4, a motor 5, a zoom ring 6, an objective lens 7, a workpiece clamping device 8, a telescopic swing arm 9, a rotating shaft 10, a support bracket 11, a two-dimensional motion platform 12, an element to be assembled 13, an element to be assembled 14, an optical acquisition system 15, a connection bracket 16, a coarse focusing device 17, a microscope bracket 18, a mark 19 on the element to be assembled, a mark 20 on the element to be assembled, a data line 21, an upper computer 22, and a control line 23.
A two-dimensional motion platform 12 in the device is placed on a base 24, a component 13 to be assembled and a component 14 to be assembled are placed on the two-dimensional motion platform 12, a microscope support 18 is installed on the base 24, a coarse focusing device 17 is installed on the microscope support 18, a connecting support 16 connects the coarse focusing device 17 with a lens barrel 3, an optical acquisition system 15 is formed by a lens 2, an objective lens 7 and a camera 1, a motor 5 is connected with a zoom ring 6 through a belt 4, the camera 1 is connected onto an upper computer 22 through a data line 21, and the two-dimensional motion platform 12 is connected onto the upper computer 22 through a control line 23.
In the device, a two-dimensional motion platform 12 is placed on a base 24, so that motion in two vertical directions on the same plane can be realized, a component 13 to be assembled is placed on the two-dimensional motion platform 12, the component 13 to be assembled moves along with the motion of the two-dimensional motion platform 12, and the component 13 to be assembled and the component 14 to be assembled are driven to be aligned and assembled.
In the device, a support bracket 11 is connected with a telescopic swing arm structure 9 through a rotating shaft 10, and the end part of the telescopic swing arm structure 9 is connected with a workpiece clamping device 8 for clamping a mounted element 14 and fixing the position of the mounted element. The rotating shaft 10 can rotate at different angles, the telescopic swing arm structure 9 has different lengths, and the supporting bracket 11, the rotating shaft 10, the telescopic swing arm structure 9 and the workpiece clamping device 8 jointly form a large-stroke motion platform grabbing mechanism which can grab workpieces at different positions.
A coarse focusing device 17 in the device is connected with a lens barrel 3 through a connecting support 16, a lens 2, an objective lens 7 and a camera 1 form an optical collecting system 15, and the optical collecting system 15 is used for collecting images and acquiring the position of a mark 19 on a component to be assembled and the position of a mark 20 on the assembled component.
A data line 21 in the device connects the camera 1 to an upper computer 22, a control line 23 connects the two-dimensional motion platform 12 to the upper computer 22, and the upper computer 22 can drive the two-dimensional motion platform 12 to move after receiving data from the camera 1.
A belt 4 in the device connects a motor 5 with a zoom ring 6, the motor 5 drives the belt 4 to adjust the zoom ring 6, and the magnification factor and the view field of the magnifying optical acquisition system are changed, so that multiple alignment and multiple assembly can be carried out, and the alignment precision is improved.
The device comprises the following specific operation steps:
The workpiece gripping device 8 grips the assembled component 14 to a specified position above the two-dimensional moving platform 12;
Images of the component to be assembled 13 and the component to be assembled 14 are imaged on the camera 1 through the objective lens 7 and the lens 2;
The camera 1 captures an image of the component 13 to be assembled, matches the mark 19 on the component to be assembled with the template, and records the position of the mark 19 on the component to be assembled;
The camera 1 captures an image of the assembled element 14, matches the mark 20 on the assembled element with a template, and records the position of the mark 20 on the assembled element;
acquiring the position difference of the assembled element 13 and the element to be assembled 14;
(6) Sending the obtained position difference to an upper computer 22, and driving the two-dimensional motion platform 12 to move by the upper computer 22;
(7) The motor 5 drives the belt 4 to adjust the zoom ring 6, changes the magnification and the field of view of the magnifying optical collecting system, repeats the steps (2) - (6) above and aligns the component to be assembled 13 and the component to be assembled 14 again until the assembling precision reaches the required precision.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (2)
1. A micro-nano assembly platform device based on machine vision comprises: optical lens, lens cone, belt, motor, ring of zooming, objective, two-dimensional motion platform wait to assemble the component, by the assembly component, micro-magnification system, linking bridge, coarse focusing device, microscope stand, data line, host computer and control line, characterized by: the two-dimensional motion platform is placed on the base, the to-be-assembled element and the to-be-assembled element are placed on the two-dimensional motion platform, the microscope support is installed on the base, the coarse focusing device is installed on the microscope support, the coarse focusing device is connected with the lens cone through the connecting support, the lens, the objective lens and the camera form an optical acquisition system, the camera is connected to the upper computer through the data line, and the two-dimensional motion platform is connected to the upper computer through the control line.
2. The micro-nano assembly platform device based on the machine vision as claimed in claim 1, which is characterized in that: the motor drives the belt to adjust the zoom ring for changing the magnification and field of view of the magnifying optical acquisition system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054536.XU CN209736950U (en) | 2019-01-14 | 2019-01-14 | Micro-nano assembly platform device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054536.XU CN209736950U (en) | 2019-01-14 | 2019-01-14 | Micro-nano assembly platform device based on machine vision |
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| Publication Number | Publication Date |
|---|---|
| CN209736950U true CN209736950U (en) | 2019-12-06 |
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| CN201920054536.XU Expired - Fee Related CN209736950U (en) | 2019-01-14 | 2019-01-14 | Micro-nano assembly platform device based on machine vision |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570950A (en) * | 2019-01-14 | 2019-04-05 | 青岛理工大学 | A kind of micro-nano mounting plate device based on machine vision |
| CN111468199A (en) * | 2020-04-20 | 2020-07-31 | 东北电力大学 | Clamping and adsorbing device of micro-nanofluidic chip and automatic alignment method thereof |
| CN111618548A (en) * | 2020-05-09 | 2020-09-04 | 大连理工大学 | System of automatic assembling equipment for tiny parts convenient for interactive operation |
-
2019
- 2019-01-14 CN CN201920054536.XU patent/CN209736950U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570950A (en) * | 2019-01-14 | 2019-04-05 | 青岛理工大学 | A kind of micro-nano mounting plate device based on machine vision |
| CN111468199A (en) * | 2020-04-20 | 2020-07-31 | 东北电力大学 | Clamping and adsorbing device of micro-nanofluidic chip and automatic alignment method thereof |
| CN111618548A (en) * | 2020-05-09 | 2020-09-04 | 大连理工大学 | System of automatic assembling equipment for tiny parts convenient for interactive operation |
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Granted publication date: 20191206 Termination date: 20210114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |