CN117087305A - Multilayer alignment superposition equipment and method - Google Patents
Multilayer alignment superposition equipment and method Download PDFInfo
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- CN117087305A CN117087305A CN202311363849.0A CN202311363849A CN117087305A CN 117087305 A CN117087305 A CN 117087305A CN 202311363849 A CN202311363849 A CN 202311363849A CN 117087305 A CN117087305 A CN 117087305A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 149
- 238000010030 laminating Methods 0.000 claims abstract description 67
- 238000003475 lamination Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 72
- 238000005259 measurement Methods 0.000 claims description 23
- 238000003848 UV Light-Curing Methods 0.000 claims description 17
- 239000004579 marble Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000001723 curing Methods 0.000 claims description 5
- 241000309551 Arthraxon hispidus Species 0.000 claims description 4
- 239000011521 glass Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 19
- 238000012937 correction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000003190 augmentative effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
- B32B38/1833—Positioning, e.g. registration or centering
- B32B38/1841—Positioning, e.g. registration or centering during laying up
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
- B32B2041/04—Detecting wrong registration, misalignment, deviation, failure
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses multilayer alignment superposition equipment and a multilayer alignment superposition method, wherein the multilayer alignment superposition equipment comprises a support frame, a lower lamination mechanism and an upper lamination mechanism, wherein the lower lamination mechanism can move relative to the length direction of the support frame, and the upper lamination mechanism is fixedly arranged on a conveying path of the lower lamination mechanism; the upper attaching mechanism comprises a mounting bracket and an attaching upper platform; the upper attaching platform comprises a fixed seat, a floating connecting seat and an upper attaching head which are sequentially arranged, and the floating connecting seat drives at least two opposite sides of the upper attaching head to respectively adjust in the Z-axis direction relative to the fixed seat; the same plane of the lower laminating mechanism is provided with at least three height measuring sensors, three of the height measuring sensors are not collinear, and the detecting heads of the height measuring sensors face upwards so as to detect the bottom surface of the upper laminating head of the upper laminating mechanism. The invention improves the up-down parallelism of the overlapped lenses and meets the parallelism precision requirement of the AR glasses.
Description
Technical Field
The invention relates to the technical field of laminating equipment, in particular to multilayer contraposition laminating equipment and a multilayer contraposition laminating method.
Background
The augmented reality (Augmented Reality) technology is a technology of skillfully fusing virtual information with a real world, and is implemented by applying computer-generated virtual information such as characters, images, three-dimensional models, music, video and the like to the real world after simulation, wherein the two kinds of information are mutually complemented, so that the real world is enhanced. And as a main carrier of AR display, AR glasses are particularly important.
Wherein, the manufacturing procedure of the AR lens is that after the multi-layer lens is respectively fed with material and glued, the multi-layer lens is sequentially overlapped. In the prior art, the alignment and lamination device mostly comprises an upper lamination platform and a lower lamination platform, and is realized by lowering and laminating a lens into the lens positioned on the lower lamination platform through the upper lamination platform. The parallelism between the lenses is mainly determined by the relative parallelism between the upper platform and the lower platform, the parallelism requirement between the lenses of the AR glasses is high, the parallelism precision requirement of the lenses is difficult to realize by the alignment superposition equipment in the prior art, and the equipment manufacturing and development difficulties and the cost are high.
Disclosure of Invention
Therefore, the invention provides multilayer alignment superposition equipment and a multilayer alignment superposition method, so as to solve the technical problem that the parallelism precision cannot meet the requirement.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the multilayer alignment superposition equipment comprises a support frame, a lower lamination mechanism and an upper lamination mechanism, wherein the lower lamination mechanism and the upper lamination mechanism are arranged on the support frame, the lower lamination mechanism can move relative to the support frame in the length direction, and the upper lamination mechanism is fixedly arranged on a conveying path of the lower lamination mechanism; the upper attaching mechanism comprises a mounting bracket and an attaching upper platform arranged on the mounting bracket; the upper attaching platform comprises a fixed seat, a floating connecting seat and an upper attaching head which are sequentially arranged, and the floating connecting seat drives at least two opposite sides of the upper attaching head to respectively adjust in the Z-axis direction relative to the fixed seat; the same plane of the lower laminating mechanism is provided with at least three height measuring sensors, three of the height measuring sensors are not collinear, and the detecting heads of the height measuring sensors face upwards so as to detect the bottom surface of the upper laminating head of the upper laminating mechanism.
Further, the floating connecting seat comprises a connecting plate, a return air cylinder, a tension spring, a connecting plate and an upper attaching head, wherein the connecting plate is in driving connection with the connecting plate, the tension spring is connected with the fixing seat and the connecting plate, the number of the return air cylinders is two, and the return air cylinders are respectively positioned on two opposite sides of the connecting plate.
Further, the laminating mechanism includes that X axle transfers drive assembly and fixed locating the laminating of drive assembly's output down the platform is transferred to the X axle, laminating platform is including laminating head and UV curing lamp down, the UV curing lamp is annular structure, the annular cloth in the periphery of laminating head down.
Further, a lower shape CCD detection mechanism is arranged below the upper attaching mechanism of the supporting frame, the detection end of the lower shape CCD detection mechanism faces the upper attaching head, and the lower surface of the lens sucked by the upper attaching head is subjected to alignment detection; the support frame is in still be equipped with appearance CCD detection mechanism on lower laminating mechanism's the travel path, the detection end of going up appearance CCD detection mechanism orientation down the laminating head, in order to be located lens on the laminating head down carries out the counterpoint of upper surface and shoots.
Further, a two-axis adjusting seat is further arranged between the floating connecting seat of the upper attaching mechanism and the upper attaching head, and the two-axis adjusting seat adjusts the X-axis direction and the Y-axis direction of the upper attaching head; the laminating of laminating mechanism down still is equipped with counterpoint platform down on the platform, UV curing lamp and laminating head down are located on the counterpoint platform, counterpoint platform is right laminating head and UV curing lamp's X axis direction and Y axis direction are adjusted down.
Furthermore, the upper attaching head and the lower attaching head are made of quartz glass.
Further, the joint surfaces of the upper joint head and the lower joint head are respectively provided with grid grooves.
Further, the mounting bracket is also fixedly provided with a Z-axis lifting mechanism, and the output end of the Z-axis lifting mechanism is connected with the upper attaching platform so as to drive the upper attaching platform to lift and move along the Z-axis.
Further, the supporting frame comprises a supporting steel frame supported on the ground, and a marble Dan Ji positioned on the supporting steel frame, and the lower attaching mechanism is fixedly arranged on the marble base.
The invention also provides a multilayer alignment superposition method, which provides the multilayer alignment superposition equipment, comprising the following steps:
step 1: the upper attaching mechanism is used for attaching the first lens and the second lens, and the lower attaching mechanism is used for attaching the second lens and the second lens;
step 2: the height measurement sensor detects the heights of at least three diagonal positions of the bottom surface of the upper attaching head, and controls the two-axis adjusting seat to conduct angle adjustment on the X-axis direction and the Y-axis direction of the upper attaching head according to the obtained detection data so as to adjust the parallelism of the upper attaching head relative to the lower attaching mechanism;
step 3: controlling the upper bonding platform to descend along the Z axis and move to a superposition position, and superposing a first lens of the upper bonding platform and a second lens of the lower bonding platform;
step 4: and curing the glue between the first lens and the second lens after lamination.
Further, the step 2 specifically includes the following steps:
step 2-1: the upper attaching platform is controlled to descend along the Z axis to enable the upper attaching platform to be located in the detection range of the height measurement sensor, and the height measurement sensor detects the heights of at least three diagonal positions of the upper attaching platform to obtain detection data of the at least three diagonal positions;
step 2-2: if the obtained two-by-two errors of the detection data of the at least three diagonal positions are in a set error range, entering a step 3;
step 2-3: if the error between every two of the obtained detection data of at least three diagonal positions is larger than a set error range, adjusting the X-axis and Y-axis direction angle adjustment of the two-axis adjusting seat, and adjusting the parallelism of the upper platform and the lower platform; and after the adjustment is finished, the step 2-1 is carried out.
The technical scheme provided by the invention has the following beneficial effects:
according to the invention, at least three height measuring sensors are arranged on the lower attaching mechanism, the attaching upper platform comprises a fixed seat, a floating connecting seat and an upper attaching head which are sequentially arranged, the floating connecting seat adjusts the X-axis and Y-axis direction angle adjustment of the two-axis adjusting seat according to the detection data of the height measuring sensors, and further adjusts the parallelism of the attaching upper platform relative to the lower attaching mechanism, ensures the parallelism between overlapped lenses and meets the parallelism precision requirement of AR lenses;
in addition, the parallelism of the upper attaching mechanism and the lower attaching mechanism is further improved through arrangement of the upper attaching mechanism and the lower attaching mechanism and selection of materials; and finally, quartz glass materials of the upper attaching head and the lower attaching head and the grid grooves are formed, so that when the upper attaching head and the lower attaching head are separated, the situation that sliding sheets are misplaced due to the surface tension of the attaching surfaces of the lenses after lamination is avoided, and the lamination effect of the lenses after lamination is further ensured.
Drawings
Fig. 1 is a schematic structural diagram of a multi-layer contraposition laminating apparatus according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an upper bonding mechanism according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram showing a second structure of the upper bonding mechanism according to embodiment 1 of the present invention at another angle;
FIG. 4 is a schematic view showing the structure of the attaching upper platform according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the structure of the attaching upper platform according to embodiment 1 of the present invention; wherein the fixing seat is hidden;
FIG. 6 is a top view of the conformable upper platform of example 1 of the present invention;
FIG. 7 is a schematic view showing the structure of the upper bonding mechanism, the bonding lower platform and the height sensor according to embodiment 1 of the present invention;
FIG. 8 is a schematic view showing the structure of the attached lower platform and the height sensor according to embodiment 1 of the present invention;
fig. 9 is a schematic diagram of the structure of the upper bonding head and the height sensor according to embodiment 1 of the present invention.
Description of the reference numerals:
1-supporting frame, 11-supporting steel frame, 12-marble base, 2-lower laminating mechanism, 21-X axle transfer drive assembly, 22-laminating lower platform, 221-alignment platform, 222-UV curing lamp, 223-lower laminating head, 3-upper laminating mechanism, 31-installing support, 311-supporting column, 312-connecting longitudinal beam, 313-laminating crossbeam, 32-laminating upper platform, 321-fixing base, 322-floating connecting base, 3221-connecting plate, 3222-return cylinder, 3223-extension spring, 3224-ceramic gauge block, 323-upper laminating head, 324-biaxial adjustment base, 33-Z axle elevating system, 4-height measuring sensor, 5-lower appearance CCD detection mechanism, 6-upper appearance CCD detection mechanism.
Detailed Description
For further illustration of the various embodiments, the invention is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present invention. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "center", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The invention will now be further described with reference to the drawings and detailed description.
Example 1
Referring to fig. 1 to 9, the embodiment provides a multi-layer alignment laminating apparatus, which includes a support frame 1, and a lower laminating mechanism 2 and an upper laminating mechanism 3 disposed on the support frame 1, wherein the lower laminating mechanism 2 can move along a length direction of the support frame 1, and the upper laminating mechanism 3 is fixedly disposed on a conveying path of the lower laminating mechanism 2. Referring to fig. 2 to 5, the upper attaching mechanism 3 includes a mounting bracket 31 and an attaching upper platform 32 provided on the mounting bracket 31; the upper attaching platform 32 includes a fixing base 321, a floating connecting base 322, and an upper attaching head 323, which are sequentially arranged, and the floating connecting base 322 drives at least two opposite sides of the upper attaching head 323 to respectively adjust in the Z-axis direction relative to the fixing base 321; the same plane of the lower laminating mechanism 2 is provided with at least three height measuring sensors 4, three of the height measuring sensors 4 are not collinear, and the detecting heads of the height measuring sensors 4 are directed upward to detect the bottom surface of the upper laminating head 323 of the upper laminating mechanism 3.
In this embodiment, as shown in fig. 7 to 9, the number of height measurement sensors 4 is 4, and the four height measurement sensors 4 respectively perform height measurement on the four corner positions of the lens located on the upper bonding head 323 when the four height measurement sensors are respectively disposed on the four corner positions of the lower bonding head 223 (see below) of the lower bonding mechanism 2. If the error between the values of any two of the four corner positions of the lens detected by the four height measuring sensors 4 is within the set error range, the parallelism of the lens positioned on the upper attaching head 323 is indicated to meet the requirement, and the subsequent overlapping action is directly performed without adjusting the parallelism; if the error between the values of any two of the four corner positions of the lens detected by the four height measuring sensors 4 is greater than the set error range, the processing system controls the floating connecting seat 322 to drive the opposite sides of the upper attaching head 323 to respectively adjust in the Z-axis direction relative to the fixing seat 321, so as to ensure the plane parallelism of the lens on the upper attaching head 323.
In this embodiment, through the cooperation of the height measurement sensor 4 on the upper laminating mechanism 3 and the lower laminating mechanism 2, namely, the floating connecting seat 322 of the upper laminating mechanism 3 drives the opposite sides of the upper laminating head 323 to adjust in the Z-axis direction respectively relative to the fixing seat 321 according to the detection data of the height measurement sensor 4, and then adjusts the parallelism of the laminating upper platform 32 relative to the lower laminating mechanism 2, ensures the parallelism between the laminated lenses, and meets the parallelism precision requirement of the AR lenses.
Wherein, each mechanism mentioned above all carries out the coordinated operation through processing system, and lower laminating mechanism 2, go up laminating mechanism 3, altimeter sensor 4 all and be connected with processing system promptly, and specifically, this processing system is preferably the PLC processing system among the prior art, and PLC processing system extensively is used for the control of automation board, and the person skilled in the art has already mastered and skilled in the application. For example, the in-place position of the product among the mechanisms can be sensed by arranging a sensor at the corresponding position and output to the processing system; for example, the height measurement sensor 4 transmits the data obtained by photographing to the processing system, processes the data by the processing system, and outputs a signal to control the upper bonding platform 32 or the lower bonding mechanism 2, etc., which will not be described in detail herein.
In this embodiment, the length direction of the support frame 1 is the X-axis direction, the width direction of the support frame 1 is the Y-axis direction, and the height direction of the support frame 1 is the Z-axis direction.
Referring to fig. 2 and 3, the mounting bracket 31 of the upper attaching mechanism 3 is further fixedly provided with a Z-axis lifting mechanism 33, and an output end of the Z-axis lifting mechanism 33 is connected with the attaching upper platform 32 to drive the attaching upper platform 32 to perform lifting movement of the Z-axis. Specifically, the mounting bracket 31 includes 4 support columns 311 disposed on the support frame 1, where the number of the support columns 311 is 4, and the support columns 311 are disposed on two opposite sides of the lower lamination mechanism 2, that is, two support columns 311 are disposed in the Y-axis direction of the lower lamination mechanism 2, and a connection longitudinal beam 312 is connected above the two support columns 311 in the same Y-axis direction, and two connection longitudinal beams 312 are disposed, a lamination cross beam 313 is disposed between the two connection longitudinal beams 312, and the lamination cross beam 313 is used for connection of the Z-axis lifting mechanism 33; the connecting stringers 312 are made of marble. In this embodiment, the mounting bracket 31 of the upper attaching mechanism 3 adopts a stable i-shaped structure, so that the upper attaching mechanism 3 is ensured to be stably fixed on the supporting frame 1, and the connecting longitudinal beam 312 is made of marble material, so that the parallelism of the platform itself attached to the upper platform 32 mounted on the mounting bracket 31 is ensured.
With continued reference to fig. 4, 5 and 7, the floating connection base 322 includes a return cylinder 3222 drivingly connected to the connection plate 3221 by the connection plate 3221, and a tension spring 3223 connecting the fixing base 321 and the connection plate 3221, the connection plate 3221 is connected to the upper bonding head 323, and the number of the return cylinders 3222 is two and respectively located on two opposite sides of the connection plate 3221; the bottom surface of the connection plate 3221 is also provided with a ceramic gauge block 3224. The processing system of the device receives and analyzes the detection data of the height measurement sensor 4, and drives the upper attaching head 323 to move upwards to a correction position through the cooperation of the tension spring 3223 and the return cylinder 3222; after the correction position is reached, the return cylinder 3222 is controlled to return, and the X-axis and Y-axis direction angles of the two-axis adjusting seat 324 are adjusted, so that the parallelism of the upper attaching head 323 is adjusted. Further, a guide rail and a slider for guiding and a tension sensor for detecting the tension of the upper bonding stage 32 are further connected to the floating connection base 322. In this embodiment, through the cooperation of each subassembly on the floating connection seat 322, realize the regulation to the depth of parallelism of last laminating head 323, simple structure is ingenious, and control accuracy is high.
The specific working process of the upper attaching mechanism 3 and the height measurement sensor 4 is as follows:
the upper attaching platform 32 of the upper attaching mechanism 3 sucks the lens and moves downwards under the drive of the Z-axis lifting mechanism 33 to reach the detection position of the height sensor 4, and the upper attaching head 323 moves upwards under the action of the tension spring 3223 of the floating connecting seat 322 to reach the correction position; the rear height measurement sensor 4 detects the heights of at least three diagonal positions of the lenses on the upper attaching head 323 to obtain detection data of the at least three diagonal positions;
at this time, the processing system analyzes the obtained detection data of the height measurement sensor 4, if the obtained detection data of at least three diagonal positions are within a set error range, it indicates that the parallelism of the lenses on the upper bonding head 323 meets the requirement, and the subsequent superposition is directly performed without adjusting the parallelism;
if the error between every two of the obtained detection data of at least three diagonal positions is larger than the set error range, adjusting the X-axis and Y-axis direction angles of the two-axis adjusting seat 324, and further adjusting the parallelism of the upper attaching head 323; after the adjustment is completed, the process can be repeated for secondary correction, and the subsequent superposition action can be directly performed.
Wherein, a two-axis adjusting seat 324 is arranged between the floating connecting seat 322 and the upper attaching head 323, and the two-axis adjusting seat 324 adjusts the X-axis direction and the Y-axis direction of the upper attaching head 323. In this embodiment, the processing system controls the two-axis adjusting seat 324 to drive the upper bonding head 323 to adjust in the X-axis direction and the Y-axis direction according to the detection data by the cooperation detection of the lower-profile CCD detection mechanism and the upper-profile CCD detection mechanism (see below), so as to ensure the horizontal alignment degree of the upper bonding head 323 and the lower bonding mechanism 2.
Referring to fig. 1 and 8, the lower attaching mechanism 2 includes an X-axis transferring driving assembly 21 and an attaching lower platform 22 fixedly disposed at an output end of the X-axis transferring driving assembly 21, the attaching lower platform 22 includes an alignment platform 221, a UV curing lamp 222 disposed on the alignment platform 221, and a lower attaching head 223, the UV curing lamp 222 is in a ring structure, and is annularly disposed on an outer periphery of the lower attaching head 223, and the UV curing lamp 222 is further connected with a lifting assembly to drive the UV curing lamp 222 to move up and down relative to the lower attaching head 223. Further, the X-axis transfer driving assembly 21 may use a driving motor and a rail to realize transmission in the X-axis direction, however, in other embodiments, the X-axis transfer driving assembly 21 may be a belt or a belt-rail assembly driven by a motor, and the like, which is not limited herein. The UV curing lamp 222 is used for pre-curing the glue between the overlapped lenses, and before lamination, the UV curing lamp 222 is driven by the lifting assembly to lift to be far away from the lower laminating head 223, so that interference to lamination action is avoided; after the lamination is completed, the UV curing lamp 222 is driven by the lifting assembly to descend so as to irradiate and cure the laminated lens positioned on the lower lamination head 223; after curing, the upper attaching mechanism 3 sucks the overlapped lenses again, so that the lower attaching mechanism 2 sucks new lenses, and then the lenses are overlapped with each other, and the overlapping among a plurality of lenses can be completed by analogy. In this embodiment, detection data is obtained through the cooperation detection of the lower-profile CCD detection mechanism and the upper-profile CCD detection mechanism (see below), and the processing system controls the alignment platform 221 to drive the lower bonding head 223 to adjust in the X-axis direction and the Y-axis direction according to the detection data, so as to ensure the horizontal alignment degree of the upper bonding head 323 and the lower bonding mechanism 2.
With continued reference to fig. 1, the support frame 1 is further provided with a lower-profile CCD detection mechanism 5 below the upper bonding mechanism 3, and the detection end of the lower-profile CCD detection mechanism 5 faces the upper bonding head 323 and performs alignment detection on the lower surface of the lens sucked by the upper bonding head 323; the support frame 1 is further provided with an upper-profile CCD detection mechanism 6 on the moving path of the lower bonding mechanism 2, and the detection end of the upper-profile CCD detection mechanism 6 faces the lower bonding head 223 to perform alignment photographing on the upper surface of the lens positioned on the lower bonding head 223. The processing system receives and analyzes the lower appearance CCD detection mechanism 5 and the upper appearance CCD detection mechanism 6 to control the two-axis adjusting seat 324 to drive the upper attaching head 323 to adjust in the X-axis and Y-axis directions, and the alignment platform 221 to drive the lower attaching head 223 to adjust in the X-axis and Y-axis directions, so that the levelness and the alignment degree of the overlapped lenses are ensured.
The specific action process in this embodiment is as follows:
the first lens is fed to the lower attaching mechanism 2, and is transferred by the lower attaching mechanism 2, and is transferred to the position of the upper appearance CCD detecting mechanism 6 for alignment detection of the upper surface of the first lens; then under the movement of the lower attaching mechanism 2, the lower part of the upper attaching mechanism 3 is reached; the processing system processes the detection data acquired by the upper-profile CCD detection mechanism 6, controls the Z-axis lifting mechanism 33 to drive the Z-axis lifting mechanism to move downwards, and controls the two-axis adjusting seat 324 to act so as to pick up the first lens and ensure the levelness of the first lens; the lower appearance CCD detection mechanism 5 positioned below the upper attaching mechanism 3 is used for carrying out alignment detection on the lower surface of the first lens, and sending detection data to a processing system for processing;
the second lens is fed to the lower attaching mechanism 2, and is transferred by the lower attaching mechanism 2, and is transferred to the position of the upper appearance CCD detecting mechanism 6 for alignment detection of the upper surface of the second lens; then under the movement of the lower attaching mechanism 2, the upper surface of the second lens is glued by the glue dispensing mechanism, if the second lens is a glued lens, the second lens is directly moved to the right lower part of the upper attaching mechanism 3 under the driving of the lower attaching mechanism 2; at this time, the processing system controls the two-axis adjusting seat 324 to adjust the upper attaching head 323 and the alignment platform 221 to adjust the lower attaching head 223 in the X-axis and Y-axis directions according to the detection data of the lower appearance CCD detection mechanism 5 to the lower surface of the first lens and the detection data of the upper appearance CCD detection mechanism 6 to the upper surface of the second lens, so as to ensure the preparation alignment of the upper attaching head 323 and the lower attaching head 223 and ensure the levelness and alignment of the first lens and the second lens;
the rear attaching upper platform 32 moves downwards under the drive of the Z-axis lifting mechanism 33, reaches the detection position of the height measurement sensor 4, the height measurement sensor 4 detects at least three corner positions of the first lens on the upper attaching head 323, and the processing system controls the action of the floating connecting seat 322 according to the detection data of the height measurement sensor 4, so as to drive the upper attaching head 323 to move upwards to the correction position through the cooperation of the tension spring 3223 and the return cylinder 3222; after the correction position is reached, the return cylinder 3222 is controlled to return, and the X-axis and Y-axis direction angles of the two-axis adjusting seat 324 are adjusted so as to ensure the plane parallelism of the lens on the upper attaching head 323;
the rear attaching upper platform 32 drives the first lens to move downwards under the drive of the Z-axis lifting mechanism 33, and is overlapped with the second lens positioned on the attaching lower platform 22;
the overlapped first lens and second lens are positioned on the attaching lower platform 22, and the UV curing lamp 222 irradiates the overlapped first lens and second lens to cure the glue between the first lens and the second lens;
if the AR glasses are composed of more than three layers of lenses, the upper attaching platform 32 picks up the first and second lenses after lamination, and the lower-profile CCD detecting mechanism 5 performs photographing detection on the lower surface of the second lens (i.e., the first and second lenses after lamination are the first lens in the above steps); the lower attaching mechanism 2 continues to absorb the third lens (the third lens is the second lens in the step at this time), and the above process is repeated, so that the overlapping of the first lens and the second lens with the third lens is completed; and by analogy, more than three lenses can be overlapped.
In this embodiment, the upper bonding head 323 and the lower bonding head 223 are made of quartz glass. Further, the upper bonding head 323 and the lower bonding head 223 are respectively provided with grid grooves. In this embodiment, the quartz glass material is used to ensure the flatness of the bonding surfaces of the upper bonding head 323 and the lower bonding head 223, so as to further improve the parallelism of lamination. In addition, the adoption of the quartz glass material causes the generation of a large adsorption force on the bonding surface lens, when the upper bonding head 323 and the lower bonding head 223 are separated, the problem that the slide sheet is easily deviated to influence the superposition effect is solved, and therefore, the upper bonding head 323 and the lower bonding head 223 are respectively provided with the grid grooves, and the adsorption force on the lens is reduced through the grid grooves.
In this embodiment, the support frame 1 includes a support steel frame 11 supported on the ground, and a marble Dan Ji 12 located on the support steel frame 11, and the lower attaching mechanism 2 is fixedly disposed on the marble base 12, so that the parallelism of the platform of the lower attaching mechanism 2 is ensured by the marble Dan Ji to further ensure the parallelism of the superposition of a plurality of lenses.
Example 2
The embodiment also provides a multilayer alignment and lamination method, and provides the multilayer alignment and lamination device described in the embodiment 1, which includes the following steps:
step 1: the upper attaching platform 32 of the upper attaching mechanism 3 absorbs the first lens, and the lower attaching mechanism 2 absorbs the second lens after dispensing and moves to the position right below the upper attaching mechanism 3;
step 2: the height measurement sensor 4 detects the heights of at least three diagonal positions of the bottom surface of the upper bonding head 323, and controls the two-axis adjusting seat to perform angle adjustment on the X-axis direction and the Y-axis direction of the upper bonding head according to the obtained detection data so as to adjust the parallelism of the upper bonding head 323 relative to the lower bonding mechanism 2;
step 3: controlling the upper bonding stage 32 to descend along the Z axis and move to a superposition position to perform superposition of the first lens of the upper bonding stage 32 and the second lens of the lower bonding stage 22;
step 4: and curing the glue between the first lens and the second lens after lamination.
Further, the step 2 specifically includes the following steps:
step 2-1: the upper attaching platform 32 is controlled to descend along the Z axis so as to be positioned in the detection range of the height measurement sensor 4, and the height measurement sensor 4 detects the heights of at least three diagonal positions of the upper attaching platform 32 to obtain detection data of at least three diagonal positions;
step 2-2: if the obtained two-by-two errors of the detection data of the at least three diagonal positions are in a set error range, entering a step 3;
step 2-3: if the error between every two of the obtained detection data of at least three diagonal positions is larger than the set error range, adjusting the X-axis and Y-axis direction angles of the two-axis adjusting seat 324; and after the adjustment is finished, the step 2-1 is carried out.
When three or more AR lenses are stacked, the upper attaching mechanism 3 absorbs the first and second lenses (the first and second lenses after being stacked at this time are the first lenses in the step 1), and the lower attaching mechanism 2 absorbs the third lens after dispensing and moves to the position right below the upper attaching mechanism; repeating the above process to complete the superposition of the first lens, the second lens and the third lens, and so on, so as to realize the superposition of more than three lenses.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A multilayer alignment superposition device, characterized in that: the device comprises a supporting frame, a lower attaching mechanism and an upper attaching mechanism, wherein the lower attaching mechanism and the upper attaching mechanism are arranged on the supporting frame, the lower attaching mechanism can move relative to the supporting frame in the length direction, and the upper attaching mechanism is fixedly arranged on a conveying path of the lower attaching mechanism; the upper attaching mechanism comprises a mounting bracket and an attaching upper platform arranged on the mounting bracket; the upper attaching platform comprises a fixed seat, a floating connecting seat and an upper attaching head which are sequentially arranged, and the floating connecting seat drives at least two opposite sides of the upper attaching head to respectively adjust in the Z-axis direction relative to the fixed seat; the same plane of the lower laminating mechanism is provided with at least three height measuring sensors, three of the height measuring sensors are not collinear, and the detecting heads of the height measuring sensors face upwards so as to detect the bottom surface of the upper laminating head of the upper laminating mechanism.
2. The multi-layer registration apparatus according to claim 1, wherein: the floating connecting seat comprises a connecting plate, a return air cylinder, a tension spring, a connecting plate and an upper attaching head, wherein the connecting plate is in driving connection with the connecting plate, the tension spring is connected with the fixing seat and the connecting plate, the number of the return air cylinders is two, and the return air cylinders are respectively positioned on two opposite sides of the connecting plate.
3. The multi-layer registration apparatus according to claim 1, wherein: the lower laminating mechanism comprises an X-axis transferring driving assembly and a laminating lower platform fixedly arranged at the output end of the X-axis transferring driving assembly, the laminating lower platform comprises a lower laminating head and a UV curing lamp, the UV curing lamp is of an annular structure, and the periphery of the lower laminating head is annularly arranged.
4. A multilayer contraposition laminating apparatus according to claim 3, wherein: the lower appearance CCD detection mechanism is arranged below the upper attaching mechanism of the supporting frame, the detection end of the lower appearance CCD detection mechanism faces the upper attaching head, and the lower surface of the lens sucked by the upper attaching head is subjected to alignment detection; the support frame is in still be equipped with appearance CCD detection mechanism on lower laminating mechanism's the travel path, the detection end of going up appearance CCD detection mechanism orientation down the laminating head, in order to be located down the upper surface counterpoint detection is carried out to the lens on the laminating head.
5. The multi-layer registration apparatus as set forth in claim 4, wherein: a two-axis adjusting seat is further arranged between the floating connecting seat of the upper attaching mechanism and the upper attaching head, and the two-axis adjusting seat adjusts the X-axis direction and the Y-axis direction of the upper attaching head; the laminating of laminating mechanism down still is equipped with counterpoint platform down on the platform, UV curing lamp and laminating head down are located on the counterpoint platform, counterpoint platform is right laminating head and UV curing lamp's X axis direction and Y axis direction are adjusted down.
6. A multilayer contraposition laminating apparatus according to claim 3, wherein: and the upper attaching head and the lower attaching head are made of quartz glass.
7. The multi-layer registration apparatus as set forth in claim 6, wherein: and the joint surfaces of the upper joint head and the lower joint head are respectively provided with a grid groove.
8. The multi-layer registration apparatus according to claim 1, wherein: the mounting bracket is also fixedly provided with a Z-axis lifting mechanism, and the output end of the Z-axis lifting mechanism is connected with the upper attaching platform so as to drive the upper attaching platform to lift and move along the Z axis.
9. The multi-layer registration apparatus according to claim 1, wherein: the supporting frame comprises a supporting steel frame supported on the ground, a marble Dan Ji positioned on the supporting steel frame, and the lower attaching mechanism is fixedly arranged on the marble base.
10. A multilayer alignment superposition method is characterized in that: providing a multilayer register folding apparatus according to any one of claims 1 to 9, comprising the steps of:
step 1: the upper attaching mechanism is used for attaching the first lens and the second lens, and the lower attaching mechanism is used for attaching the second lens and the second lens;
step 2: the height measurement sensor detects the heights of at least three diagonal positions of the bottom surface of the upper attaching head, and controls the two-axis adjusting seat to conduct angle adjustment on the X-axis direction and the Y-axis direction of the upper attaching head according to the obtained detection data so as to adjust the parallelism of the upper attaching head relative to the lower attaching mechanism;
step 3: controlling the upper bonding platform to descend along the Z axis and move to a superposition position, and superposing a first lens of the upper bonding platform and a second lens of the lower bonding platform;
step 4: and curing the glue between the first lens and the second lens after lamination.
11. The multilayer contraposition laminating method according to claim 10, wherein: the step 2 specifically comprises the following steps:
step 2-1: the upper attaching platform is controlled to descend along the Z axis to enable the upper attaching platform to be located in the detection range of the height measurement sensor, and the height measurement sensor detects the heights of at least three diagonal positions of the upper attaching platform to obtain detection data of the at least three diagonal positions;
step 2-2: if the obtained two-by-two errors of the detection data of the at least three diagonal positions are in a set error range, entering a step 3;
step 2-3: if the error between every two of the obtained detection data of at least three diagonal positions is larger than a set error range, adjusting the X-axis and Y-axis direction angle adjustment of the two-axis adjusting seat, and adjusting the parallelism of the upper platform and the lower platform; and after the adjustment is finished, the step 2-1 is carried out.
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| CN117087305B (en) | 2024-01-05 |
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Denomination of invention: A multi-layer alignment stacking device and method Granted publication date: 20240105 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN LIJU AUTOMATION TECHNOLOGY Co.,Ltd. Registration number: Y2024980028041 |