CN115318579A - Positioning mechanism, fitting system and method for micro optical machine lens - Google Patents
Positioning mechanism, fitting system and method for micro optical machine lens Download PDFInfo
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- CN115318579A CN115318579A CN202211059129.0A CN202211059129A CN115318579A CN 115318579 A CN115318579 A CN 115318579A CN 202211059129 A CN202211059129 A CN 202211059129A CN 115318579 A CN115318579 A CN 115318579A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 100
- 230000003287 optical effect Effects 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010030 laminating Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 47
- 239000003292 glue Substances 0.000 claims description 27
- 230000008569 process Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
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- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/025—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Lens Barrels (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention relates to a positioning mechanism, a fitting system and a method for a lens of a micro optical machine, which comprises the following steps: the limiting jig is provided with a limiting groove for accommodating the micro optical machine lens, the bottom surface of the limiting groove is provided with a supporting surface, and the limiting jig is also provided with a limiting side surface; at least one limiting mechanism is arranged corresponding to the supporting surface, and at least one limiting mechanism is arranged corresponding to the limiting side surface; when the micro optical machine lens is positioned in the limiting groove, at least two limiting mechanisms drive the micro optical machine lens to be correspondingly attached to the limiting side face and the supporting face. Because set up the spacing groove on spacing tool, and set up holding surface and spacing side, miniature ray apparatus camera lens can be positioned in the spacing groove, and stop gear can be laminated two at least surface counterpoint of miniature ray apparatus camera lens to spacing side and holding surface, realizes the accurate location of miniature ray apparatus camera lens, guarantees subsequent laminating precision.
Description
Technical Field
The invention relates to the technical field of display, in particular to a positioning mechanism, a fitting system and a method for a micro optical machine lens.
Background
At present, display screens are widely applied to various scenes of people's lives and become an essential part of people's lives.
In the related art, the types of displays on the market are more and more, and at present, displays produced based on Micro LED (Micro light emitting diode) technology are slowly coming into the field of vision of people.
Little work is currently done on the market regarding the attachment process of Micro LED screens. The number of bonding processes in the optical system is correspondingly greater. But compare in the similar prism laminating scheme on the market, laminating object is littleer in Micro LED's the laminating processing procedure, and the precision that needs control laminating is higher, and the processing procedure scheme is more complicated.
Therefore, there is a need for a positioning mechanism, a bonding system and a method for a micro optical machine lens to overcome at least one of the above problems.
Disclosure of Invention
The embodiment of the invention provides a positioning mechanism, a bonding system and a method for a Micro optical machine lens, and aims to solve the problems that in the related art, a bonding object is smaller in the bonding process of a Micro LED, and the precision of bonding needs to be controlled is higher.
In a first aspect, a positioning mechanism for a micro optical machine lens is provided, which includes: the limiting jig is provided with a limiting groove for accommodating the micro optical machine lens, the bottom surface of the limiting groove is provided with a supporting surface, and the limiting jig is also provided with a limiting side surface; at least one limiting mechanism is arranged corresponding to the supporting surface, and at least one limiting mechanism is arranged corresponding to the limiting side surface; when the micro optical-mechanical lens is positioned in the limiting groove, at least two limiting mechanisms drive the micro optical-mechanical lens to correspondingly attach to the limiting side face and the supporting face.
In some embodiments, the limiting mechanism includes a cylinder pressing joint, the cylinder pressing joint is located above the limiting groove, and when the micro optical mechanical lens is located in the limiting groove, the cylinder pressing joint automatically presses to the top of the micro optical mechanical lens.
In some embodiments, the limiting mechanism includes an automatic spring limiting component, the automatic spring limiting component is located on one side of the limiting groove, when the micro optical-mechanical lens is located in the limiting groove, the automatic spring limiting component automatically abuts against one side of the micro optical-mechanical lens, so that the other side of the micro optical-mechanical lens is attached to the limiting side surface.
In some embodiments, the spring autostop assembly comprises: the pressing head is arranged on the limiting jig; the adjusting piece is provided with a spring, one end of the spring is in contact with the adjusting piece, the other end of the spring is in contact with the pressing head, and the axis of the spring is perpendicular to the limiting side face.
In some embodiments, the pressing head has an adjusting hole inside, and a step is arranged in the adjusting hole; the adjusting piece comprises a rod part and an operating part fixedly arranged on the rod part; the spring is sleeved on the rod part, at least parts of the spring and the rod part are contained in the adjusting hole, one end of the spring is in contact with the operating part, and the other end of the spring is in contact with the step.
In some embodiments, the limiting jig is provided with a guide post, and the axis of the guide post is parallel to the axis of the spring; the pressing head is provided with a guide hole corresponding to the guide post, and the guide hole is inserted into the guide post.
In a second aspect, a fitting system for a micro optical machine lens is provided, which comprises a fixing platform, wherein the fixing platform is provided with the positioning mechanism.
In some embodiments, the attaching system further includes a six-axis fine alignment platform, and the six-axis fine alignment platform is used for aligning and attaching the micro display screen to one side of the micro optical machine lens.
In some embodiments, the attaching system further includes at least two dispensing mechanisms, and the two dispensing mechanisms are respectively disposed on two opposite sides of the six-axis precise alignment platform; an electric rotating table is installed at the bottom of the limiting jig and used for driving the limiting jig to face at least two glue dispensing mechanisms respectively and rotate by preset angles.
In some embodiments, the fit system further comprises a glue dispensing mechanism, the glue dispensing mechanism being mounted to the fixed platform.
In a third aspect, a method for alignment bonding of the bonding system is provided, which includes the following steps: pressing the micro optical machine lens by using at least two limiting mechanisms to position the micro optical machine lens in the limiting groove; and aligning and laminating the micro display screen to one side of the micro optical machine lens by using a six-axis precise alignment platform.
In some embodiments, before the aligning and attaching the micro display screen to one side of the micro optical machine lens by using the six-axis precise alignment platform, the method further includes driving a limiting jig to rotate by a preset angle; and using a glue dispensing mechanism to perform glue dispensing on the lens base of the micro optical machine lens.
In some embodiments, the opposite sides of the six-axis fine alignment platform are both provided with a dispensing mechanism, and before the use of the six-axis fine alignment platform to align and laminate the micro display screen to one side of the micro optical machine lens, the method further comprises: driving a limiting jig to rotate towards one of the dispensing mechanisms by a first preset angle, and dispensing one side of a lens base of the lens of the micro optical machine by using the dispensing mechanism; and driving the limiting jig to rotate by a second preset angle towards the other dispensing mechanism, and dispensing the other side of the lens base of the lens of the micro optical machine by using the dispensing mechanism.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides a positioning mechanism, a laminating system and a method for a micro optical machine lens.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a bonding system according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a bonding system according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a limiting jig and a cylinder pressing joint according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a limiting jig according to an embodiment of the present invention for mounting a micro optical machine lens and a micro display screen;
fig. 5 is an exploded schematic view of a limiting jig according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a limiting jig according to an embodiment of the present invention;
fig. 7 is a schematic top view of a limiting jig according to an embodiment of the present invention;
fig. 8 is a schematic side view of a limiting jig according to an embodiment of the present invention;
FIG. 9 isbase:Sub>A schematic cross-sectional view A-A of FIG. 8;
fig. 10 is a schematic front view of a limiting jig according to an embodiment of the present invention;
FIG. 11 is a schematic cross-sectional view of B-B in FIG. 10;
fig. 12 is a schematic view illustrating a rotation angle θ of the limiting jig to the left and right dispensing mechanisms respectively according to the embodiment of the invention.
In the figure:
1. limiting the jig; 11. a limiting groove; 111. a support surface; 12. a limiting side surface; 13. a guide post; 14. a Y-direction limiting surface;
2. a limiting mechanism; 21. the cylinder presses the joint;
22. the spring automatic limiting component; 221. a pressing head; 2211. an adjustment hole; 222. an adjustment member; 2221. a rod portion; 2222. an operation unit; 223. a spring;
3. a fixed platform; 31. an electric rotating table; 4. a six-axis precise alignment platform; 5. a glue dispensing mechanism; 6. fine tuning the platform; 7. a crimping mechanism; 8. a micro optical-mechanical lens; 9. and (6) micro display screens.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides a positioning mechanism for a Micro optical machine lens, which can solve the problems that in the related art, a bonding object is smaller in a bonding process of a Micro LED, and the bonding precision needs to be controlled to be higher.
Referring to fig. 3 and fig. 4, a positioning mechanism for a micro optical machine lens according to an embodiment of the present invention may include: the limiting jig 1 is provided with a limiting groove 11 for accommodating the micro optical machine lens 8, the bottom surface of the limiting groove 11 is provided with a supporting surface 111, the limiting jig 1 is also provided with a limiting side surface 12, when the micro optical machine lens 8 is installed in the limiting groove 11, the bottom surface of the micro optical machine lens 8 can be supported on the supporting surface 111, the supporting surface 111 can limit the bottom surface of the micro optical machine lens 8, and the limiting side surface 12 can also limit the corresponding side surface of the micro optical machine lens 8, wherein the limiting side surface 12 can be positioned in the limiting groove 11 or outside the limiting groove 11; at least two limiting mechanisms 2, wherein at least one limiting mechanism 2 is arranged corresponding to the supporting surface 111, and at least one limiting mechanism 2 is arranged corresponding to the limiting side surface 12; when the micro optical-mechanical lens 8 is located in the limiting groove 11, at least two limiting mechanisms 2 can drive the micro optical-mechanical lens 8 to be correspondingly attached to the limiting side surface 12 and the supporting surface 111; that is, at least one of the limiting mechanisms 2 can drive at least one side surface of the micro optical mechanical lens 8 to be correspondingly attached to the limiting side surface 12, and at least one of the limiting mechanisms 2 can drive the bottom surface of the micro optical mechanical lens 8 to be correspondingly attached to the supporting surface 111, so that the micro optical mechanical lens 8 can be positioned in the limiting groove 11.
In this embodiment, because the limiting groove 11 is arranged on the limiting jig 1, the micro optical mechanical lens 8 can be accommodated in the limiting groove 11, and the supporting surface 111 and the limiting side surface 12 are arranged, the micro optical mechanical lens 8 can be positioned in the limiting groove 11, and the limiting mechanism 2 can align and laminate at least two surfaces of the micro optical mechanical lens 8 to the limiting side surface 12 and the supporting surface 111, so as to realize accurate positioning of the micro optical mechanical lens 8 and ensure subsequent laminating accuracy.
Referring to fig. 3, in some embodiments, the limiting mechanism 2 may include a cylinder pressing joint 21, the cylinder pressing joint 21 is located above the limiting groove 11, and when the micro optical engine lens 8 is located in the limiting groove 11, the cylinder pressing joint 21 may automatically press to the top of the micro optical engine lens 8. In this embodiment, the automatic pressing of the micro optical machine lens 8 can be realized by arranging the cylinder pressing connector 21, and the cylinder pressing connector 21 is arranged above the limiting groove 11, so that the cylinder pressing connector 21 is directly controlled to move up and down when being pressed. Of course, in other embodiments, other pressing joints such as manual pressing joints can be arranged to realize up-down pressing; or the air cylinder pressing joint 21 is arranged at other left or right side positions and the like to provide a larger installation space for the micro optical machine lens 8, and when the limit needs to be pressed, the air cylinder pressing joint 21 is driven to move to press.
Referring to fig. 5, 8 to 9, in some alternative embodiments, the limiting mechanism 2 may include an automatic spring limiting component 22, and the automatic spring limiting component 22 is located at one side of the limiting groove 11, wherein the automatic spring limiting component 22 may be located at the left side or the right side, or the front side or the rear side of the limiting groove 11, and may be adjusted according to actual requirements, and when the micro optical engine lens 8 is located in the limiting groove 11, the automatic spring limiting component 22 is automatically abutted to one side of the micro optical engine lens 8, so that the other side of the micro optical engine lens 8 is attached to the limiting side 12. Because the automatic spring limiting component 22 has elasticity, under the driving action of the elasticity, the automatic spring limiting component 22 can automatically drive the micro optical machine lens 8 to move towards the direction close to the limiting side surface 12, and further drive the micro optical machine lens 8 to be attached to the limiting side surface 12.
Of course, in other embodiments, the automatic spring limiting assembly 22 may be disposed above the limiting groove 11, so that the automatic spring limiting assembly 22 above presses the top surface of the micro-optical-mechanical lens 8 to drive the bottom surface of the micro-optical-mechanical lens 8 to be attached to the supporting surface 111.
Further, referring to fig. 5 to 7, the spring automatic limiting assembly 22 may include: a pressing head 221 which is mounted on the limiting jig 1, and the pressing head 221 can move relative to the limiting jig 1; the adjusting piece 222 is provided with a spring 223, one end of the spring 223 contacts the adjusting piece 222, the other end of the spring 223 contacts the pressing head 221, and the axis of the spring 223 is perpendicular to the limiting side surface 12. The adjusting member 222 can be fixed to the limiting jig 1, and the adjusting member 222 can be fixed to the limiting jig 1 in a threaded connection manner, or can be fixed to the limiting jig 1 by other bolts or screws. When the adjusting piece 222 and the pressing head 221 are assembled on the limiting jig 1, the spring 223 may be in a compressed state, when the pressing head 221 is driven to move in a direction away from the limiting groove 11, the spring 223 may be further compressed, and the movement of the pressing head 221 may also provide an installation space for the micro optical machine lens 8, when the micro optical machine lens 8 is installed in the limiting groove 11, the pressing head 221 may be loosened, and under the driving of the elastic force of the spring 223, the pressing head 221 may be driven to automatically press onto the micro optical machine lens 8.
Referring to fig. 8 to 9, in some embodiments, the pressing head 221 may have an adjusting hole 2211 inside, and a step is provided in the adjusting hole 2211; the adjusting part 222 comprises a rod part 2221 and an operating part 2222 fixed on the rod part 2221; the spring 223 is sleeved on the rod portion 2221, so that the spring 223 can move along the rod portion 2221 in the processes of compression and extension, and the rod portion 2221 can play a role in guiding; and the spring 223 and the rod 2221 are at least partially accommodated in the adjustment hole 2211, so that the spring 223 and the adjustment piece 222 can be protected, one end of the spring 223 contacts the operating part 2222, the other end contacts the step, when the pressing head 221 is moved, the pressing head 221 can compress the spring 223 through the step, and when the pressing head 221 is released, the spring 223 can push the step again, so as to drive the pressing head 221 to move.
In other embodiments, the adjuster 222 may be fixed to the outside of the pressing head 221, one end of the spring 223 may be connected to an end of the adjuster 222, and the other end of the spring 223 may be connected to the pressing head 221.
Referring to fig. 5, in some alternative embodiments, the limiting jig 1 may be provided with a guide post 13, an axis of the guide post 13 is parallel to an axis of the spring 223, wherein the number of the guide posts 13 may be one or more; the pressing head 221 is provided with a guide hole corresponding to the guide post 13, and the guide hole is inserted into the guide post 13. In this embodiment, the guide post 13 is provided so that the pressing head 221 can move along the axis of the guide post 13 during the movement, thereby guiding the pressing head 221.
Preferably, as shown in fig. 10 to 11, the limiting jig 1 may further include a Y-direction limiting surface 14, wherein the Y-direction is along the axial direction of the micro optical mechanical lens 8, and the Y-direction limiting surface 14 may be perpendicular to the axial line of the micro optical mechanical lens 8, the micro optical mechanical lens 8 includes a lens holder, and when the micro optical mechanical lens 8 is installed in the limiting groove 11, the lens holder may be stopped at the Y-direction limiting surface 14, so that the Y-direction limiting surface 14 limits the Y-direction position of the micro optical mechanical lens 8.
Referring to fig. 1 to 2, an embodiment of the present invention further provides a bonding system for a micro optical mechanical lens, which may include a fixed platform 3, where the fixed platform 3 is preferably a marble vibration isolation platform, and a positioning mechanism is installed on the fixed platform 3, where the positioning mechanism in this embodiment may adopt the positioning mechanism provided in any of the above embodiments, and details are not repeated herein. When the laminating system provided in this embodiment is used for laminating and fixing the micro display screen 9, the micro optical machine lens 8 can be positioned and limited through the limiting jig 1 and the limiting mechanism 2 in the positioning mechanism.
Referring to fig. 1 to fig. 2, in some embodiments, the attaching system may further include a six-axis fine alignment platform 4, where the six-axis fine alignment platform 4 is used to align and attach the micro display screen 9 to one side of the micro optical mechanical lens 8. Wherein, in this embodiment, the six-axis fine alignment platform 4 is disposed at the rear of the positioning mechanism, and when the micro optical mechanical lens 8 is mounted in the limiting groove 11, the six-axis fine alignment platform 4 is located at the rear side of the micro optical mechanical lens 8, and of course, in other embodiments, the position of the six-axis fine alignment platform 4 can also be properly adjusted according to actual requirements. The six-axis fine alignment platform 4 can use a sucker to adsorb the micro display screen 9, and the six-axis fine alignment platform 4 can realize the movement and rotation of X, Y and Z axes to adjust the position of the micro display screen 9 relative to the micro optical machine lens 8.
Referring to fig. 1 and 12, in some optional embodiments, the attaching system may further include at least two dispensing mechanisms 5, where the two dispensing mechanisms 5 are respectively disposed on two opposite sides of the six-axis precise alignment platform 4, where the number of the dispensing mechanisms 5 may be two or more, and in this embodiment, it is preferable that the two dispensing mechanisms 5 are disposed and distributed on the left and right sides of the six-axis precise alignment platform 4; electric rotating table 31 can be installed to the bottom of spacing tool 1, electric rotating table 31 is used for the drive spacing tool 1 is towards at least two respectively the rotatory angle of predetermineeing of dispensing mechanism 5. That is, the electric rotating table 31 can drive the limiting jig 1 to rotate towards one of the dispensing mechanisms 5 by a preset angle, and the electric rotating table 31 can also drive the limiting jig 1 to rotate in the reverse direction to rotate towards the other dispensing mechanism 5 by a preset angle, so that the two dispensing mechanisms 5 can respectively dispense the micro optical machine lens 8 in the limiting jig 1.
Wherein, two point gum machines 5 that set up in this embodiment both can realize carrying out the point to the same side of micro optical machine camera lens 8 and glue, also can carry out the point to the different sides of micro optical machine camera lens 8. When two dispensing mechanisms 5 are glued with some glue to same side of micro-optical machine camera lens 8, two dispensing mechanisms 5 can be glued with some glue to the relative both sides of same side respectively, and spacing tool 1 can rotate a less angle theta this moment can, for example spacing tool 1 can be towards left side rotation 45, also rotate 45 towards the right side, of course, rotatory angle theta also can be less than 45 or be greater than 45 all. When two dispensing mechanisms 5 carry out some glue to the different sides of micro-optical machine lens 8, can realize a plurality of side points to micro-optical machine lens 8 on same spacing tool 1 and glue, and can laminate polychrome micro-display, make laminating system both had been applicable to the laminating of monochromatic micro-display, also was applicable to the laminating of polychrome micro-display.
Further, in some optional embodiments, the attaching system may further include a glue dispensing mechanism 5, and the glue dispensing mechanism 5 is installed on the fixed platform 3. In this embodiment, a dispensing mechanism 5 may be disposed on the fixing platform 3, so that the dispensing mechanism 5 dispenses one or more surfaces of the micro optical mechanical lens 8.
In some embodiments, the attaching system may further include a detection camera disposed in front of the limiting jig 1, and the bottom of the limiting jig 1 may be installed with a fine tuning platform 6, so that when the micro optical mechanical lens 8 is installed in the limiting groove 11, the position of the micro optical mechanical lens 8 can be fine tuned by the fine tuning platform 6, so that the center of the micro optical mechanical lens 8 coincides with the center of the detection camera.
The embodiment of the invention also provides an alignment bonding method of the bonding system, which comprises the following steps:
step 1: the micro optical-mechanical lens 8 is pressed by at least two limiting mechanisms 2, so that the micro optical-mechanical lens 8 is positioned in the limiting groove 11. One of the limiting mechanisms 2 can be pressed on the top of the micro optical-mechanical lens 8 from above, so that the bottom surface of the micro optical-mechanical lens 8 is attached to the supporting surface 111; another limiting mechanism 2 can be pressed on the side surface of the micro optical machine lens 8 from one side, so that the other side surface of the micro optical machine lens 8 is attached to the limiting side surface 12, the position of the micro optical machine lens 8 in the limiting jig 1 is fixed, and the positioning of the micro optical machine lens 8 is realized.
Step 2: and aligning and attaching the micro display screen 9 to one side of the micro optical machine lens 8 by using the six-axis fine alignment platform 4. Wherein, the accurate platform 4 of counterpointing of six axles can be equipped with the sucking disc, adsorbs little display screen 9 through the sucking disc to move little display screen 9 and counterpoint the laminating near the microscope base of miniature ray apparatus camera lens 8.
In some embodiments, before step 1, the method may include: the micro optical machine lens 8 is taken by a person or a machine and is placed in the limit groove 11 for preliminary positioning.
Further, after step 1, the method may further include: and adjusting a six-axis fine adjustment platform 6 below the limiting jig 1 to enable the center of the lens base of the micro optical machine lens 8 to coincide with the center of the lens of the detection camera, and ensuring that images of the lens base are parallel.
In some optional embodiments, the micro display screen 9 may be placed in the profiling fixture manually or by a robot, and the micro display screen 9 is initially positioned by the profiling fixture, after step 1, which may include: the micro display screen 9 is sucked by the six-axis fine alignment platform 4 and moves to the initial position of the six-axis fine alignment platform 4 with the micro display screen 9, and the micro display screen 9 has a certain distance from the micro optical machine lens 8.
Further, use six accurate counterpoint platforms 4 will little display screen 9 to counterpoint the laminating to before one side of miniature ray apparatus camera lens 8, can also include: the limiting jig 1 is driven to rotate by a preset angle, wherein the rotating angle can be 90 degrees, can also be smaller than 90 degrees or other suitable angles; and (3) dispensing the lens base of the micro optical machine lens 8 by using a dispensing mechanism 5 so as to be convenient for subsequent lamination and fixation. Wherein, in this embodiment, can drive spacing tool 1 rotatory through electric rotating platform 31, and can set up a point gum machine and construct 5, rotate once and carry out some glue.
In some optional embodiments, two opposite sides of the six-axis fine alignment platform 4 may be provided with a tape dispenser 5, and before the six-axis fine alignment platform 4 is used to align and attach the micro display screen 9 to one side of the micro optical mechanical lens 8, the method may further include: driving the limiting jig 1 to rotate towards one of the dispensing mechanisms 5 by a first preset angle, so that the lens base of the micro optical machine lens 8 is obliquely arranged relative to the dispensing mechanism 5, the lens base faces the dispensing mechanism 5, dispensing is performed on one side of the lens base of the micro optical machine lens 8 by using the dispensing mechanism 5, dispensing can be performed on the left side of the lens base, and the first preset angle of rotation can be a small angle; the drive is spacing 1 to glue the rotatory second of mechanism 5 and predetermine the angle towards another point for the microscope base of miniature ray apparatus camera lens 8 sets up for 5 slopes of another point glues mechanism, and uses this point to glue the mechanism 5 right the opposite side of the microscope base of miniature ray apparatus camera lens 8 carries out some glue, can glue the right side of microscope base, and the angle is also can be a small-angle in the second of rotation predetermineeing this moment, and the second predetermines the angle and can equal with the first angle of predetermineeing.
Further, in step 2, use six accurate counterpoint platforms 4 will little display screen 9 to counterpoint the laminating to one side of micro-optical machine lens 8, can include: moving the micro display screen 9 to the vicinity of the joint surface of the lens base of the micro optical machine lens 8 by using the six-axis fine alignment platform 4; carrying out precise alignment on the micro display screen 9; and the six-axis precise alignment platform 4 is used for attaching the micro display screen 9 to the attachment surface of the lens base of the micro optical machine lens 8.
Preferably, before the fine alignment of the micro display 9, the method may include: taking an image of the side of the micro display screen 9 by using a ranging camera; judging whether the distance between the micro display screen 9 and the binding surface is basically the same as a set distance or not according to the image obtained by the ranging camera; otherwise, adjusting the position of the micro display screen 9 until the distance between the micro display screen 9 and the binding face is basically the same as the set distance.
Further, the fine alignment of the micro display screen 9 may include: the micro display screen 9 is lightened by the crimping mechanism 7, the micro display screen 9 is shot by the detection camera, the position of the micro display screen 9 is adjusted by the six-axis fine alignment platform 4, the center of the image is overlapped with the center of a lens of the detection camera, four sides of the micro display screen 9 are parallel to the lens of the detection camera, and the image is rectangular. And (3) lightening a test picture of the micro display screen 9 by using the crimping mechanism 7, taking an image of the micro display screen 9, and adjusting the six-axis fine alignment platform 4 to enable the maximum value max of the deviation between the shot picture and the reference picture to be less than or equal to the set deviation epsilon.
After step 2, the glue between the mirror base and the micro display 9 may also be cured.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. A positioning mechanism for a micro optical machine lens, comprising:
the limiting jig (1) is provided with a limiting groove (11) for accommodating the micro optical machine lens (8), the bottom surface of the limiting groove (11) is provided with a supporting surface (111), and the limiting jig (1) is also provided with a limiting side surface (12);
at least two limiting mechanisms (2), wherein at least one limiting mechanism (2) is arranged corresponding to the supporting surface (111), and at least one limiting mechanism (2) is arranged corresponding to the limiting side surface (12);
when the micro optical-mechanical lens (8) is positioned in the limiting groove (11), at least two limiting mechanisms (2) drive the micro optical-mechanical lens (8) to be correspondingly attached to the limiting side surface (12) and the supporting surface (111).
2. The positioning mechanism for a micro-optical bench lens of claim 1, wherein:
stop gear (2) are including cylinder pressing joint (21), cylinder pressing joint (21) are located the top of spacing groove (11), when micro optical machine lens (8) are located spacing groove (11), cylinder pressing joint (21) are automatic to be pressed to the top of micro optical machine lens (8).
3. The positioning mechanism for a micro-optical mechanical lens of claim 1, wherein:
stop gear (2) are including the automatic spacing subassembly of spring (22), the automatic spacing subassembly of spring (22) are located one side of spacing groove (11), work as miniature ray apparatus camera lens (8) are located when spacing groove (11), the automatic butt of the automatic spacing subassembly of spring (22) extremely one side of miniature ray apparatus camera lens (8), make the opposite side laminating of miniature ray apparatus camera lens (8) extremely spacing side (12).
4. The positioning mechanism for a micro-optical-mechanical lens according to claim 3, wherein the spring automatic position-limiting assembly (22) comprises:
a pressing head (221) mounted on the limit jig (1);
the adjusting piece (222) is provided with a spring (223), one end of the spring (223) is in contact with the adjusting piece (222), the other end of the spring (223) is in contact with the pressing head (221), and the axis of the spring (223) is perpendicular to the limiting side surface (12).
5. The positioning mechanism for a micro-optical bench lens of claim 4, wherein:
the pressing head (221) is internally provided with an adjusting hole (2211), and a step is arranged in the adjusting hole (2211); the adjusting piece (222) comprises a rod part (2221) and an operating part (2222) fixedly arranged on the rod part (2221);
the spring (223) is sleeved on the rod portion (2221), at least parts of the spring (223) and the rod portion (2221) are accommodated in the adjusting hole (2211), one end of the spring (223) contacts the operating portion (2222), and the other end of the spring contacts the step.
6. The positioning mechanism for a micro-optical bench lens of claim 4, wherein:
the limiting jig (1) is provided with a guide post (13), and the axis of the guide post (13) is parallel to the axis of the spring (223);
the pressing head (221) is provided with a guide hole corresponding to the guide post (13), and the guide hole is inserted into the guide post (13).
7. A system for attaching a lens of a micro optical machine, characterized in that it comprises a fixed platform (3), on which fixed platform (3) a positioning mechanism according to any one of claims 1 to 6 is mounted.
8. The fit system of claim 7, wherein:
the laminating system further comprises a six-axis precise alignment platform (4), wherein the six-axis precise alignment platform (4) is used for aligning and laminating the micro display screen (9) to one side of the micro optical machine lens (8).
9. The fit system of claim 8, wherein:
the laminating system further comprises at least two glue dispensing mechanisms, and the two glue dispensing mechanisms are respectively arranged on two opposite sides of the six-axis precise alignment platform;
electric rotary table is installed to the bottom of spacing tool, electric rotary table is used for the drive spacing tool is respectively towards at least two the rotatory angle of predetermineeing of point gum machine structure.
10. The fit system of claim 7, wherein:
the laminating system further comprises a glue dispensing mechanism (5), and the glue dispensing mechanism (5) is installed on the fixing platform (3).
11. The method of claim 7, comprising the steps of:
the micro optical-mechanical lens (8) is pressed by using at least two limiting mechanisms (2), so that the micro optical-mechanical lens (8) is positioned in a limiting groove (11);
and aligning and attaching the micro display screen (9) to one side of the micro optical machine lens (8) by using a six-axis precise alignment platform (4).
12. The alignment and bonding method according to claim 11, further comprising, before the alignment and bonding of the micro display screen (9) to one side of the micro optical mechanical lens (8) by using the six-axis fine alignment stage (4):
driving the limiting jig (1) to rotate by a preset angle;
and (3) dispensing the lens base of the micro optical machine lens (8) by using a dispensing mechanism (5).
13. The alignment and attachment method according to claim 11, wherein the glue dispensing mechanisms (5) are disposed on two opposite sides of the six-axis fine alignment platform (4), and before the six-axis fine alignment platform (4) is used to align and attach the micro display screen (9) to one side of the micro optical mechanical lens (8), the method further comprises:
driving a limiting jig (1) to rotate towards one of the glue dispensing mechanisms (5) by a first preset angle, and dispensing one side of a lens base of the micro optical machine lens (8) by using the glue dispensing mechanism (5);
the limiting jig (1) is driven to rotate a second preset angle towards another dispensing mechanism (5), and the dispensing mechanism (5) is used for dispensing the other side of the lens base of the micro optical machine lens (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211059129.0A CN115318579A (en) | 2022-08-31 | 2022-08-31 | Positioning mechanism, fitting system and method for micro optical machine lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211059129.0A CN115318579A (en) | 2022-08-31 | 2022-08-31 | Positioning mechanism, fitting system and method for micro optical machine lens |
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| CN115318579A true CN115318579A (en) | 2022-11-11 |
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| CN202211059129.0A Pending CN115318579A (en) | 2022-08-31 | 2022-08-31 | Positioning mechanism, fitting system and method for micro optical machine lens |
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