CN208729572U - Bend glass vision positioning mechanism and laminating apparatus - Google Patents
Bend glass vision positioning mechanism and laminating apparatus Download PDFInfo
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- CN208729572U CN208729572U CN201821160236.1U CN201821160236U CN208729572U CN 208729572 U CN208729572 U CN 208729572U CN 201821160236 U CN201821160236 U CN 201821160236U CN 208729572 U CN208729572 U CN 208729572U
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- bend glass
- picture shooting
- shooting assembly
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Abstract
The utility model relates to field of locating technology, a kind of bend glass vision positioning mechanism and the bend glass laminating apparatus including the vision positioning mechanism are provided, including workbench, localization tool, first picture shooting assembly, second picture shooting assembly and control assembly, localization tool is for fixing bend glass, first picture shooting assembly is for shooting the location hole for the planar portions for being formed in the bend glass, second picture shooting assembly is used to shoot the positioning side for the edge part for being located at the bend glass, control assembly can carry out target's feature-extraction processing to image obtained by image obtained by the first picture shooting assembly and the second picture shooting assembly respectively as pre-set image recognizer；The structure is using the translucency of bend glass, localization tool to the reflection characteristic and positioning bore edges of light, bend glass edge part to the refracting characteristic of light, in conjunction with the first picture shooting assembly, the second picture shooting assembly and high-precision pre-set image recognizer based on robust, the precise positioning of bend glass is realized.
Description
Technical field
The utility model relates to field of locating technology, specifically, be related to a kind of bend glass vision positioning mechanism and
Bend glass laminating apparatus including the vision positioning mechanism.
Background technique
With the technology and market development of the consumption electronic products such as mobile phone, in bend glass (also known as 3D glass) substituted metal
Mount structure becomes the first choice of product casing；The processing technology of bend glass is with respect to will have many difficulties, example for flat glass
Such as glass bending, curved surface polishing, 3D glass printing and 3D glass gluing, and in 3D glass printing and 3D glass gluing technique
It is directed to the positioning to glass.Common localization method includes physical positioning and vision positioning, for bend glass, by
It is cambered surface in edge, and product itself, there are tolerance, physical positioning is difficult to meet requirement on machining accuracy, so common practice
It is the mode that physical positioning is combined with vision positioning.
Glass is transparent material, and light transmission is high, when carrying out vision positioning, since positive polishing is difficult, is commonly used
The mode of backlight, it is different using the chamfering at edge transmissivity caused by the refraction of light, realize visual identity and positioning.But at certain
A little occasions, in high temperature bend glass attaching process, since backlight can not be provided for glass, to cause vision positioning difficulty
Problem.
Utility model content
The purpose of this utility model is to provide a kind of bend glass vision positioning mechanism and bend glass laminating apparatus, purports
Solve in the prior art bend glass the occasion location difficulty, locating effect that can not provide backlight be unstable, positioning result
The big technical problem of error.
For this purpose, the technical solution adopted in the utility model is: providing a kind of bend glass vision positioning mechanism, wrap
It includes workbench, setting on the workbench and is used to fix the localization tool of bend glass and is respectively set on the table
Following components: the first picture shooting assembly, above the localization tool and for obtains be formed in the bend glass put down
The image of the location hole of face；Second picture shooting assembly is set to above the localization tool and is located at the curved surface glass for obtaining
The image on the positioning side of the edge part of glass；Control assembly, by pre-set image recognizer respectively to the first shooting group
Image obtained by image obtained by part and second picture shooting assembly carries out target's feature-extraction processing.
Further, the localization tool has a horizontal positioning surface, and the positioning surface is recessed inwardly to form locating slot,
The locating slot has the slot bottom for being parallel to the positioning surface and being used to abut against with the planar portions and is formed in the slot
The cell wall of bottom periphery and the arc for abutting against with the edge part, first picture shooting assembly are located above the slot bottom,
Second picture shooting assembly is located above the cell wall.
Further, first picture shooting assembly includes the annular light source with a light emission side, is arranged in the ring light
First contraposition camera lens of the other side opposite with the light emission side in source and be correspondingly connected with the first contraposition camera lens the
One contraposition camera, the location hole are located at the light emission side of the annular light source.
Further, the location hole, the annular light source and the first contraposition camera lens are coaxially disposed.
Further, second picture shooting assembly includes the strip source with a light emission side, is arranged in the strip light
The side adjacent with the light emission side in source second contraposition camera lens and with it is described second contraposition camera lens be correspondingly connected with second
Camera is aligned, the positioning side is arranged in the light emission side of the strip source and is located at the underface of the second contraposition camera lens.
Further, extending direction of the strip source along the positioning side is arranged and is located at the outer of the bend glass
Side.
Further, the localization tool is mould steel jig.
Further, first picture shooting assembly and second picture shooting assembly include trimming part.
Further, the trimming part includes lead screw, the nut piece for being sheathed on the lead screw and for making the silk
The actuator of thick stick rotation, the actuator are connected to the lead screw end.
The beneficial effect of bend glass vision positioning provided by the utility model mechanism is: it is compared with the prior art, this
A kind of bend glass vision positioning mechanism that utility model proposes is controlled including workbench and the positioning being respectively set on the table
Tool, the first picture shooting assembly, the second picture shooting assembly and control assembly, wherein localization tool is for fixing bend glass, first count
Component is taken the photograph for shooting to the location hole for the planar portions for being formed in the bend glass, the second picture shooting assembly is used for being located at
The positioning side of the edge part of the bend glass is shot, and control assembly can be by pre-set image recognizer respectively to
Image obtained by image obtained by one picture shooting assembly and the second picture shooting assembly carries out target's feature-extraction processing, which passes through using bent
Refraction of the translucency, localization tool of surface glass to the reflection characteristic and positioning bore edges, bend glass edge part of light to light
Characteristic, and the first picture shooting assembly, the second picture shooting assembly and the high-precision pre-set image recognizer based on robust are combined, it realizes bent
The precise positioning of surface glass；The first picture shooting assembly, the second picture shooting assembly of the vision positioning mechanism can be beaten from bend glass front
Light, locating effect is stable and characteristics of image is easy to identify, reduces position error, and then has broken bend glass precise positioning and need to mention
For the limitation of backlight.
The beneficial effect of bend glass laminating apparatus provided by the utility model is: being compared with the prior art, this is practical
A kind of bend glass laminating apparatus of novel proposition is regarded including above-mentioned bend glass vision positioning mechanism by bend glass
Feel that positioning mechanism carries out precise positioning to bend glass to be fit, realizes the high accurancy and precision of bend glass attaching process；Together
When, since bend glass vision positioning mechanism structure is simply easily built, and breaks bend glass precise positioning backlight need to be provided
Limitation, so that the bend glass laminating apparatus is more free when component builds layout, and entire bend glass is bonded
Device volume is small, and space occupancy is low, and packaging efficiency is high, stabilized structure is reliable.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram of bend glass vision positioning provided by the embodiment of the utility model mechanism；
Fig. 2 is the schematic elevation view of bend glass vision positioning provided by the embodiment of the utility model mechanism.
Wherein, each appended drawing reference in figure:
1: workbench
2: localization tool 21: positioning surface
22: locating slot 23: slot bottom
24: cell wall
3: the first picture shooting assemblies 31: annular light source
30: annular light source light emission side 32: the first aligns camera lens
33: the first contraposition cameras
4: the second picture shooting assemblies 41: strip source
40: strip source light emission side 42: the second aligns camera lens
43: the second contraposition cameras
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.
It is to be appreciated that the orientation or position of the instructions such as term " on ", "lower", "vertical", "horizontal", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connection ", " fixation " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral；It can be mechanical connection, it can also be with
It is electrical connection；Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or
The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
It as shown in Figures 1 and 2, is a preferred embodiment provided by the utility model.
A kind of bend glass vision positioning mechanism provided in this embodiment, including workbench 1 and it is separately positioned on workbench 1
On localization tool 2, the first picture shooting assembly 3, the second picture shooting assembly 4 and control assembly, wherein localization tool 2 is for fixing
Bend glass is chosen as mould steel jig, which is used as metal fixture, has high reflective；First picture shooting assembly 3
Above localization tool 2 and for being shot to the location hole being formed in bend glass planar portions, it should be noted that
In the present embodiment, the hole edge of location hole is formed in bend glass plane domain and location hole is usually provided with arc angling,
In this way, there is high reflective in conjunction with localization tool 2, positive high angle is carried out to above-mentioned location hole by the first picture shooting assembly 3 and is beaten
Photo-beat is taken the photograph, and gained image will be highlighted at hole edge, and will generate weak shade beside bore edges, thus by hole edge
Edge is clearly sketched the contours of；Certainly, bend glass planar portions herein refer not only to bend glass plane domain, also can refer to bend glass
The region of crooked radian smaller (close to plane), in addition, other of bend glass can also be arranged in location hole according to actual needs
Position does not limit uniquely herein；Similarly, the second picture shooting assembly 4 is set to 2 top of localization tool and for bend glass
Positioning side is shot, and positioning side is located at the edge part of bend glass, which refers to choosing in bend glass edge
A default side, to cooperate together with location hole above complete bend glass positioning operation；Control assembly then passes through pre-
If image recognition algorithm carries out target signature to 3 gained image of the first picture shooting assembly and 4 gained image of the second picture shooting assembly respectively
Extraction process obtains accurate location hole, positioning edge image by pre-set image recognizer；In this way, by by location hole,
The image data of positioning side actual photographed is placed in preset coordinate system, and the bend glass can be obtained compared to its offset of predeterminated position
The size of amount (being determined by position of positioning hole offset) and deviation angle (being determined by the angle on positioning side and standard shaft), in other words,
The positioning method, which is used, determines bend glass shifting deviation with location hole image, determines bend glass deviation angle to position edge image
Degree, to realize the precise positioning of bend glass；It can be seen that the vision positioning mechanism passes through the light transmission using bend glass
Property, the reflection characteristic of 2 pairs of light of localization tool and positioning bore edges, bend glass edge part combine the refracting characteristic of light
First picture shooting assembly 3, the second picture shooting assembly 4 and the high-precision pre-set image recognizer based on robust, realize bend glass
Precise positioning；The first picture shooting assembly 3, the second picture shooting assembly 4 of the vision positioning mechanism can be positioned from the polishing of bend glass front
Effect stability and characteristics of image is easy to identify, reduces position error, and then broken bend glass precise positioning to provide backlight
Limitation, the occasion that backlight can not be provided still can to bend glass carry out high accuracy positioning.
It should be noted that pre-set image recognizer is specially a kind of high-precision feature extraction vision calculation based on robust
Method can extract linear character from mixed and disorderly image；The process of the vision algorithm mainly includes Novel Image Noise Smoothing, image increasing
By force, threshold segmentation, contour line extraction, linear classification combination, the combination of length characteristic filtering scheduling algorithm, for the first picture shooting assembly
4 gained image of 3 gained images and the second picture shooting assembly, by above-mentioned pre-set image recognizer to realize stable linear character
It extracts, this method can be by adjusting image intensification coefficient and threshold segmentation coefficient, to reach from the various images for having very noisy
The upper stable purpose for extracting target signature.
Further, please refer to Fig. 1 and Fig. 2, localization tool 2 has an approximate horizontal positioning surface 21, positioning surface 21 to
Sunken inside forms locating slot 22, locating slot 22 have be parallel to positioning surface 21 and for the slot bottom 23 that is abutted against with planar portions and
It is formed in the cell wall 24 of 23 periphery of slot bottom and the arc for abutting against with edge part, the first picture shooting assembly 3 is located on slot bottom 23
Side, the second picture shooting assembly 4 are located at 24 top of cell wall；Further, please continue to refer to Fig. 1 and Fig. 2, the first picture shooting assembly 3 packet
The the first contraposition mirror for including the annular light source 31 with a light emission side 30, the side opposite with light emission side 30 of annular light source 31 being set
First 32 and the first contraposition camera 33 for being correspondingly connected with the first contraposition camera lens 32, location hole is located at the light emission side of annular light source 31
30；Specifically, please continue to refer to Fig. 1 and Fig. 2, location hole, annular light source 31 and the first contraposition camera lens 32 are coaxially disposed；This
The first picture shooting assembly 3 that embodiment provides positions the location hole on bend glass using positive high angle method for polishing,
The method for polishing will obtain highlighted figure in location hole edge, and location hole adjacent edges can generate weak shade, thus by hole edge
Edge is clearly sketched the contours of.
Further, please refer to Fig. 1 and Fig. 2, the second picture shooting assembly 4 include strip source 41 with a light emission side 40,
It is arranged in the second of strip source 41 and the adjacent side of light emission side 40 and aligns camera lens 42 and corresponding with the second contraposition camera lens 42
Second contraposition camera 43 of connection, positioning side are arranged in the light emission side 40 of strip source 41 and are located at the second contraposition camera lens 42 just
Lower section；Further, Fig. 1 and Fig. 2 is please referred to, extending direction of the strip source 41 along positioning side arranges the (length of strip source
It is parallel with the extending direction on side is positioned to spend direction) and positioned at the outside of bend glass, specific strip source 41 is located at bend glass
Oblique upper avoid metal fixture so that light is squeezed into from the side of bend glass for light and reflect into the second contraposition
Positioning side feature is unobvious after glass edge is imaged in camera 43, and specifically, bend glass edge part is usually covered by fixed
In the arc cell wall 24 of position jig 2, common front method for polishing, since edge part is arc, 2 arc cell wall of localization tool
24, which are in all angles all, can stronger reflective interference, cause glass edge edge feature unobvious, the present embodiment propose the
Two picture shooting assemblies 4 are using method for polishing on side, since sidelight will not be projected directly at 2 arc cell wall 24 of localization tool,
So light will not be reflected into the second contraposition camera lens 42 by localization tool 2, but glass edge edge is cambered surface, it can be from each
A angle refraction or reflected light, to by light refraction or be reflected into the second contraposition camera 43, with this by edge part from background
In be completely exfoliated out, obtain feature and significantly position edge image.
Further, the first picture shooting assembly 3 and the second picture shooting assembly 4 include trimming part (not shown), further,
Trimming part includes that lead screw, the nut piece for being sheathed on lead screw and the actuator for rotating lead screw, actuator are connected to silk
Manual or such as servo motor driving automated manner, 3 He of the first picture shooting assembly can be used in thick stick end, the actuator driving method
The trimming part of second picture shooting assembly 4 can be mutually indepedent, and trimming part can be realized the first picture shooting assembly 3 or the second shooting group
Part 4 makees translational motion in the horizontal and vertical directions, in this way, the first picture shooting assembly 3 or the second can be adjusted by trimming part
The positional relationship of 4 relative surface glass of picture shooting assembly ensure that the first picture shooting assembly 3, the second picture shooting assembly 4, bend glass phase
To the accuracy of position, positioning accuracy is improved.
In conclusion in the present embodiment, due to the translucency of bend glass, the reflection of 2 pairs of light of localization tool, location hole
Difference visual effect caused by the refracting characteristic of edge and curved edges portion to light, and by being adopted respectively to location hole and edge part
It with specific method for polishing, and then proposes and bend glass shifting deviation is established with location hole, it is curved that bend glass is determined with edge part
The locating scheme of bent angle finally combines the high-precision pre-set image recognizer based on robust, it is accurate to realize bend glass
Precise positioning, the positioning mechanism locating effect is stable and characteristics of image is easy to identify, reduces position error, and broken curved surface
Glass precise positioning need to provide the limitation of backlight；In addition, due to current bend glass localization method mostly use greatly polyphaser (5~
10 cameras) it splits in glass edge and cooperates telecentric lens to realize that bend glass positions, due to the song of the present embodiment proposition
Surface glass vision positioning mechanism only needs 2 contraposition cameras that bend glass accurate positioning can be realized, and on the one hand reduces hardware
The difficulty of cost and Machine Design, on the other hand makes that positioning mechanism structure is simply easily built, space occupancy is low, packaging efficiency
Height, stabilized structure are reliable.
The beneficial effect of bend glass laminating apparatus provided by the utility model is: being compared with the prior art, this is practical
A kind of bend glass laminating apparatus of novel proposition is regarded including above-mentioned bend glass vision positioning mechanism by bend glass
Feel that positioning mechanism carries out precise positioning to bend glass to be fit, realizes the high accurancy and precision of bend glass attaching process；Together
When, since bend glass vision positioning mechanism structure is simply easily built, and breaks bend glass precise positioning backlight need to be provided
Limitation so that the bend glass laminating apparatus is more free in component layouts, and entire bend glass laminating apparatus volume
Small, space occupancy is low, and packaging efficiency is high, stabilized structure is reliable.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. bend glass vision positioning mechanism, which is characterized in that including workbench, setting on the workbench and for fixing
The localization tool of bend glass and following components on the table are respectively set:
First picture shooting assembly, above the localization tool and for obtaining determining for the planar portions for being formed in the bend glass
The image in position hole；
Second picture shooting assembly, above the localization tool and for obtaining the positioning positioned at the edge part of the bend glass
The image on side；
Control assembly, as pre-set image recognizer respectively to image obtained by first picture shooting assembly and the second count
It takes the photograph image obtained by component and carries out target's feature-extraction processing.
2. bend glass vision positioning according to claim 1 mechanism, which is characterized in that the localization tool has a water
Flat positioning surface, the positioning surface are recessed inwardly to form locating slot, and the locating slot, which has, to be parallel to the positioning surface and be used for
The slot bottom abutted against with the planar portions and the arc for being formed in the slot bottom periphery and being used to abut against with the edge part
Cell wall, first picture shooting assembly are located above the slot bottom, and second picture shooting assembly is located above the cell wall.
3. bend glass vision positioning according to claim 2 mechanism, which is characterized in that first picture shooting assembly includes
Annular light source with a light emission side, be arranged in the annular light source the other side opposite with the light emission side the first contraposition
Camera lens and the first contraposition camera being correspondingly connected with the first contraposition camera lens, the location hole are located at the annular light source
Light emission side.
4. bend glass vision positioning according to claim 3 mechanism, which is characterized in that the location hole, the annular
Light source and the first contraposition camera lens are coaxially disposed.
5. bend glass vision positioning according to any one of claims 1 to 4 mechanism, which is characterized in that the second count
Taking the photograph component includes the strip source with a light emission side, the side adjacent with the light emission side that the strip source is arranged in
Second contraposition camera lens and the second contraposition camera being correspondingly connected with the second contraposition camera lens, the positioning side is arranged described
The light emission side of strip source and the underface for being located at the second contraposition camera lens.
6. bend glass vision positioning according to claim 5 mechanism, which is characterized in that the strip source is along described fixed
The extending direction arrangement on position side and the outside for being located at the bend glass.
7. bend glass vision positioning according to claim 5 mechanism, which is characterized in that the localization tool is mould steel
Jig.
8. bend glass vision positioning according to claim 5 mechanism, which is characterized in that first picture shooting assembly and institute
Stating the second picture shooting assembly includes trimming part.
9. bend glass vision positioning according to claim 8 mechanism, which is characterized in that the trimming part includes silk
Thick stick, the nut piece for being sheathed on the lead screw and the actuator for making the lead screw rotation, the actuator is connected to described
Lead screw end.
10. bend glass laminating apparatus, which is characterized in that including bend glass vision as described in any one of claims 1 to 9
Positioning mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821160236.1U CN208729572U (en) | 2018-07-19 | 2018-07-19 | Bend glass vision positioning mechanism and laminating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821160236.1U CN208729572U (en) | 2018-07-19 | 2018-07-19 | Bend glass vision positioning mechanism and laminating apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208729572U true CN208729572U (en) | 2019-04-12 |
Family
ID=66026409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821160236.1U Active CN208729572U (en) | 2018-07-19 | 2018-07-19 | Bend glass vision positioning mechanism and laminating apparatus |
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| CN (1) | CN208729572U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012204A (en) * | 2019-05-08 | 2019-07-12 | 广东拓斯达科技股份有限公司 | A kind of high-precision vision contraposition laminating apparatus |
| CN110370194A (en) * | 2019-08-13 | 2019-10-25 | 郭墨龙 | A kind of glass production manufacture clamp for machining |
| CN112814982A (en) * | 2020-12-31 | 2021-05-18 | 广东鑫能机器人科技有限公司 | Device for automatically mounting flexible lamp strip |
-
2018
- 2018-07-19 CN CN201821160236.1U patent/CN208729572U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012204A (en) * | 2019-05-08 | 2019-07-12 | 广东拓斯达科技股份有限公司 | A kind of high-precision vision contraposition laminating apparatus |
| CN110370194A (en) * | 2019-08-13 | 2019-10-25 | 郭墨龙 | A kind of glass production manufacture clamp for machining |
| CN112814982A (en) * | 2020-12-31 | 2021-05-18 | 广东鑫能机器人科技有限公司 | Device for automatically mounting flexible lamp strip |
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