CN207351917U - High-precision conveying device for the detection of transparent plate appearance - Google Patents
High-precision conveying device for the detection of transparent plate appearance Download PDFInfo
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- CN207351917U CN207351917U CN201720664777.7U CN201720664777U CN207351917U CN 207351917 U CN207351917 U CN 207351917U CN 201720664777 U CN201720664777 U CN 201720664777U CN 207351917 U CN207351917 U CN 207351917U
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Abstract
A kind of high-precision conveying device for the detection of transparent plate appearance, described device include at least：First ladder rotating assembly,Second ladder rotating assembly,3rd ladder rotating assembly,Fourth order ladder rotating assembly,First belt support component,Second belt support component,First feed belt,Second feed belt,3rd feed belt,4th feed belt,Rotary encoder,Bottom plate,First support plate,Second support plate,Deployment etc.,Feed belt is sleeved on the first ladder rotating assembly and the second ladder rotating assembly with certain extensibility or expanding force,In the circular groove of 3rd ladder rotating assembly and fourth order ladder rotating assembly,There is belt support component below every root skin band,Prevent belt " collapse waist " phenomenon,Improve the movement glacing flatness of transmitted transparent plate,At utmost reduce the error as caused by moving transparent plate in line scanning process,And finally ensure the straightness of transparent plate edge or vertical element in line scan image.
Description
Technical field
This application involves transparent plate transmission system, more particularly to the high-precision conveying device of glass detection.
Background technology
In daily life, the application of the transparent plate such as glass is increasingly extensive, correspondingly to the transparent plate appearance such as glass
Requirement be continuously improved, the especially detection to the surface quality for the glass being covered on display screen proposes the requirement of higher.
Whole glass industry still carries out surface quality detection using artificial visual method at present.But market is continuous to the demand of glass
Increase, Surface Quality requirement are also increasingly to improve.Due to artificial visual method, there is subjectivity is strong, False Rate is high, detection product
The shortcomings such as matter is unstable, detection efficiency is low, so in order to further improve glass appearance quality, objective evaluation standard is consistent, inspection
Survey efficient machine vision method progress glass appearance detection and be increasingly becoming glass detection industry focus of attention.
Glass appearance detection is carried out based on machine vision, is the technical side of light, mechanical, electrical, soft etc. the multi-crossed disciplines of an item collection
To.In order to obtain the glass image of complete and accurate, generally use line-scan digital camera is scanned imaging to whole glass appearance.Linear array
Camera imaging must make testee perpendicular to CCD directions uniform motion, so the transmission precision of the conveying device of glass is direct
Determine the quality of glass image.
The common method of testee movement at present is to use straight-line displacement platform or roller conveyor.Roller conveyor is profit
The conveyer of work piece is conveyed with several rollers being uniformly erected on fixing bracket at a certain distance.If directly adopt
With traditional roller conveyor mode, institute
Although upgrading of the glass production industry after many decades, the degree of automation are greatly improved,
At present glass conveyer device can not meet glass appearance detection the needs of.
In view of this, it is special to propose the application.
The content of the invention
The application main purpose is to provide a kind of available for the high-precision of transparent plate especially glass appearance vision-based detection
Conveying device is spent, subregion during glass thread Scanning Detction is which solved and is blocked and the technical problem such as bumpy motion,
Strong support is provided subsequently to carry out glass appearance quality testing using machine vision method.
To achieve these goals, according to the one side of the application, there is provided following technical scheme：
A kind of transparent plate especially glass high accuracy conveying device, can steadily be conveyed glass, in favor of linear array
The image that optical imaging system obtains high quality is scanned, described device includes at least：
4 ladder shafts for carrying circular groove.At least two circular groove is carried in every ladder shaft.
The both ends of every ladder shaft are fixed on by bearing and bearing block in the support plate of device both sides.
Two circular feed belts are sleeved on the circular arc of the 1st and the 2nd ladder shaft with certain extensibility or expanding force
In connected in star, similarly, another two circular feed belts are sleeved on the 3rd and the 4th ladder with certain extensibility or expanding force
In the circular groove of shaft.The 2 ladder shafts connected by identical two circular feed belts are known as a pair of of ladder and turn
Axis.
Increase supporting structure between each pair multi-diameter shaft, the round belt of supporting structure pair and glass contact plays support and makees
With preventing the phenomenon of the waist that collapses among round belt.Supporting structure uses the regulative mode of eccentric shaft, by rotating adjustable branch
The high and low position of support point.
Without any connection between 2nd and the 3rd ladder shaft, in order to line-scan digital camera scan image.In above-mentioned two
A wherein ladder shaft be connected with high-precision rotary encoder, be camera shooting figure for measuring the rotating speed of ladder shaft
As providing external trigger signal.
Wherein one end of ladder shaft is connected with gear.The rotation of main drive shaft is delivered to ladder shaft by gear pair,
Ladder shaft drives circular feed belt movement, so that glass moves along a straight line along belt.
Pass through synchronous belt passing power between motor and main drive shaft.
It can also specifically be achieved through the following technical solutions：
A kind of high-precision conveying device for the detection of transparent plate appearance, it is characterised in that described device includes at least：
4 ladder rotating assemblies for carrying circular groove, including ladder shaft (19), travelling gear (21), bearing (20), 4 ranks
Terraced rotating assembly is installed in the bearing saddle bore of the first support plate (13) and the second support plate (18), the first support plate (13) and the
Two support plates (18) are fixed on bottom plate (17)；On first ladder rotating assembly (1) and the second ladder rotating assembly (2) wherein
2 feed belts (14), (16), similarly, the 3rd ladder rotating assembly (3) and fourth order are respectively provided with 2 circular grooves
2 feed belts (5), (7), the first belt support group are wherein respectively provided with 2 circular grooves on terraced rotating assembly (4)
Part (15) is used to support the first feed belt (16), the second feed belt (14)；Second belt support component (6) is used to support
Three feed belts (5), the 4th feed belt (7).
Transparent plate elects glass plate or transparent plastic tablet as.
Distance between axles between first ladder rotating assembly (1) and the second ladder rotating assembly (2) is a, the second ladder shaft
Distance between axles between component (2) and the 3rd ladder rotating assembly (3) is b, the 3rd ladder rotating assembly (3) and fourth order ladder shaft
Distance between axles between component (4) is c, and in the transmit direction, the length of glass is L for setting, usually, b ＜ L/2, a ＞ L, c ＞
L。
A, the upper limit value of c is no more than the elastic range of transmission flat belt.
Second ladder rotating assembly (2) or the 3rd ladder rotating assembly (3) can be directly with rotary coding device assemblies (9) even
Connect.
Transparent plate imaging can not be influenced between second ladder rotating assembly (2) and the 3rd ladder rotating assembly (3)
Shelter.
First belt support component (15) is identical with the design structure of the second belt support component (6), all respectively by 1
A support base (22) and 4 accentric support component (23) compositions.
Accentric support component (23) includes support runner (24), hexagonal eccentric shaft (25), optical axis (26) etc., wherein support turns
Take turns (24) to be installed on hexagonal eccentric shaft (25), it is positioned axially through clamp spring.
Fixed in the eccentric orfice of one end insertion hexagonal eccentric shaft (25) of optical axis (30) and by holding screw, the other end is solid
It is scheduled in the lateral aperture of belt support component base (22), by rotating hexagonal eccentric shaft (25), support runner (24) can be driven
Height on vertical direction is adjusted.
Compared with prior art, above-mentioned technical proposal at least has the advantages that：
The application is according to the drive characteristic of flexible body, using two pairs with installing round belt mode in reeded ladder shaft
The transmission of glass is carried out, while increases eccentrically braces structure between each pair multi-diameter shaft, to prevent belt " collapse waist " phenomenon from going out
It is existing, the movement glacing flatness of transmitted glass is greatly enhanced, can at utmost reduce and be drawn in line scanning process by glass motion
The error risen, and can finally ensure the straightness of glass edge or vertical element in line scan image.
The rotary motion of all ladder shafts, by gear pair transmission, ensure that all ladder shafts all by main drive shaft
Movement synchronism.Wherein a ladder shaft is connected with high-precision rotary encoder, can measure ladder shaft in real time
Rotating speed, and then can efficiently and accurately obtain real-time speed of the glass on circular feed belt.
Without any object and glass contact between 2nd and the 3rd ladder shaft, it is ensured that the figure of line-scan digital camera collection
Seem that the true of glass completes image, glass image is without the region being blocked.
Present application addresses the technical barrier that industry spot glass conveys in high precision, had both avoided straight-line displacement platform and has been transmitted across
Reciprocating motion in journey, and can ensure the straightness moved in glass detection process, transmission precision is high, can meet glass completely
The requirement of glass Site Detection, strong guarantee is provided for the accurate measurement and detection of line-scan digital camera.
Certainly, any product for implementing the application is not necessarily required to realize all the above advantage at the same time.
Brief description of the drawings
A part of the attached drawing as the application, is further understood from the application for providing, and the application's is schematic
Embodiment and its explanation are used to explain the application, but do not form the improper restriction to the application.Obviously, drawings in the following description
Only some embodiments, to those skilled in the art, without creative efforts, can be with
Other accompanying drawings are obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 is the schematic diagram of high-accuracy glass conveying device；
Fig. 2 is the schematic diagram of ladder shaft；
Fig. 3 is ladder rotating shaft position schematic layout pattern；
Fig. 4 is belt support component structure chart
Fig. 5 is accentric support part assembling drawing
Fig. 6 is hexagonal eccentric shaft schematic diagram
Wherein, above-mentioned attached drawing is marked including the following drawings：
1st, the first ladder rotating assembly；2nd, the second ladder rotating assembly；3rd, the 3rd ladder rotating assembly；4th, fourth order ladder turns
Shaft assembly；5th, the 3rd feed belt；6th, the second belt support component；7th, the 4th feed belt；8th, clutch shaft bearing pressing plate；9th, second
Bearing plate；10th, rotary encoder；11st, deployment；12nd, electric machine assembly；13rd, the first support plate；14th, the second transmission
Belt；15th, the first belt support component；16th, the first feed belt；17th, bottom plate；18th, the second support plate；19th, ladder shaft；
20th, bearing；21st, travelling gear；22nd, belt support component base；23rd, accentric support component；24th, runner is supported；25th, hexagonal is inclined
Mandrel；26th, optical axis.
These attached drawings and word description be not intended as in any way limit the application concept, but by reference to
Specific embodiment illustrates the concept of the application for those skilled in the art.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the embodiment of the present application is solved technical problem, used technical side
Case and the technique effect of realization carry out clear, complete description.Obviously, described embodiment is only one of the application
Divide embodiment, be not whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not paying creation
Property work on the premise of, the embodiment of all other equivalent or obvious modification obtained is all fallen within the protection domain of the application.
The embodiment of the present application can be embodied according to the multitude of different ways being defined and covered by claim.
It should be noted that in the following description, understand for convenience, give many details.It is but very bright
Aobvious, the realization of the application can be without these details.
It should be noted that in the case where not limiting clearly or not conflicting, each embodiment in the application and its
In technical characteristic can be mutually combined and form technical solution.
The basic thought of the embodiment of the present application is：Utilize 4 circular feed belts and 4 ladders for carrying circular groove
Shaft, realizes the high-precision linear transmission of transparent plate especially glass.To improve the motion straightness of circular strap, reduction is set
Standby resetting difficulty in the lower section of itself and glass contact, it is necessary to increase eccentrically braces structure.To ensure the image of line-scan digital camera collection
It is identical with glass time of day, in viewing field of camera, without other foreign objects and glass contact, i.e., nothing between middle two ladder shafts
Any connection.Since four ladder shafts and same root main drive shaft are respectively by gear pair passing power, can ensure
The speed sync of all ladder shafts.It is connected by the 2nd ladder shaft with rotary encoder, realizes glass motion speed
Accurate measurement.By above-mentioned measures, the accuracy and detection efficiency of glass on-line checking image can be greatly improved.
The embodiment of the present application provides a kind of high-precision conveying device for transparent plate especially glass transmission.The dress
Put including at least the first ladder rotating assembly 1, the second ladder rotating assembly 2, the 3rd ladder rotating assembly 3, fourth order ladder shaft
Component 4, the first belt support component 15, the second belt support component 6, the first feed belt 16, the second feed belt the 14, the 3rd
Feed belt 5, the 4th feed belt 7, rotary encoder 10, bottom plate 17, the first support plate 13, the second support plate 18, main driving
Shaft assembly 11 etc..
It is respectively provided with 2 corresponding circular grooves on first ladder rotating assembly 1 and the second ladder rotating assembly 2
First feed belt 16 and the second feed belt 14；The wherein top of the first feed belt 16 and the second feed belt 14 is by first
Belt support component 15 provides upward support.Similarly, 2 on the 3rd ladder rotating assembly 3 and fourth order ladder rotating assembly 4
The 3rd feed belt 5 and the 4th feed belt 7 are respectively provided with a corresponding circular groove；5 He of wherein the 3rd feed belt
The top of 4th feed belt 7 is provided to upper belt from the second belt support component 6 to be supported.Second ladder rotating assembly 2 and the 3rd
Without any connection between ladder rotating assembly 3.
First belt support component 15 is identical with the design structure of the second belt support component 6, all respectively by 1 branch
Support base 22 and 4 accentric support components 23 form.Accentric support component 23 altogether include support runner 24, hexagonal eccentric shaft 25,
Optical axis 26 etc..Runner 24 is supported to be installed on hexagonal eccentric shaft 25, it is positioned axially through clamp spring.One end insertion six of optical axis 30
Fixed in the eccentric orfice of angle eccentric shaft 25 and by holding screw, the other end is fixed on the lateral aperture of belt support component base 22
It is interior.Hexagonal eccentric shaft 25 is rotated by spanner, the height on support 24 vertical direction of runner can be driven to adjust.Accentric support component
Use so that belt support it is more steady, the linearity of belt transmission is more preferable.
The main purpose of first belt support component 15 and the second belt support component 6 is to support the first feed belt respectively
16 and second feed belt 14, the 3rd feed belt 5 and the 4th feed belt 7.Since the distance between axles of each multi-diameter shaft is too long, belt
As flexible body, necessarily there is the phenomenon of middle " collapse waist ", and then glass obvious pitch and left is occurred
Right swing, directly influences the accuracy of detection of glass.Adjusted by the support of the first belt support component 15, that is, adjust supporting point
The level height of P2, P3, it is ensured that supporting point P2, P3 are on the straight line that point P1 is connected with point P4, similarly, pass through the second belt
The support of support component 6 is adjusted, that is, adjusts the level height of supporting point P6, P7, can also ensure supporting point P6, P7 in point P5 and
On the straight line of point P8 connections.By the support of the first belt support component 15 and the second belt support component 6 to feed belt with
And the first ladder rotating assembly 1, the second ladder rotating assembly 2, the 3rd ladder rotating assembly 3, the peace of fourth order ladder rotating assembly 4
Holding position precision, can be greatly enhanced the movement glacing flatness of transmitted glass, can at utmost reduce in line scanning process by
Error caused by glass motion, and then can finally ensure the straightness of glass edge or vertical element in line scan image.
First support plate 13 and the second support plate 18 are fixed on bottom plate 17.First ladder rotating assembly 1, the second ladder turn
Shaft assembly 2, the 3rd ladder rotating assembly 3, fourth order ladder rotating assembly 4 are installed on 13 and of the first support plate according to corresponding order
In the U bearing holes of second support plate 18, the first ladder rotating assembly 1, the second ladder rotating assembly 2, the 3rd ladder shaft group
Gear of the gear respectively with deployment 11 on part 3, fourth order ladder rotating assembly 4 coordinates, and ensures all spindle speeds
Synchronism.Wherein the first ladder rotating assembly 1, fourth order ladder rotating assembly 4 are respectively by 2 pieces of clutch shaft bearing pressing plates 8 bearing
It is fixed in U-shaped bearing hole；Second ladder rotating assembly 2, the 3rd ladder rotating assembly 3 are altogether by 2 pieces of second bearing pressing plates 9 axis
Hold and be fixed in U-shaped bearing hole.
Distance between axles between first ladder rotating assembly 1 and the second ladder rotating assembly 2 is a, the second ladder rotating assembly 2
Distance between axles between the 3rd ladder rotating assembly 3 is b, between the 3rd ladder rotating assembly 3 and fourth order ladder rotating assembly 4
Distance between axles is c.It is assumed that in the transmit direction, the length of glass is L, usually,
In above-mentioned formula, distance between axles a, c value Main Basiss are to prevent in glass detection process while contact 3 pairs of transmission skins
Band, is effectively guaranteed the precision of glass motion.In addition the upper limit value of a, c do not allow more than the elastic range of transmission flat belt,
Length when generally can be according to apron drawing 5%~20%, determines the detailed value of a, c.If the extensibility of belt is excessive,
Necessarily cause its rotary course Analaysis on Elastic Slide to increase, greatly reduce the precision of glass linear movement.
Without any object and glass contact between second ladder rotating assembly 2 or the 3rd ladder rotating assembly 3, it is ensured that
The image of line-scan digital camera collection is that the true of glass completes image, and glass image is without the region being blocked.
Rotary encoder 10 can directly be connected with the second ladder rotating assembly 2 or the 3rd ladder rotating assembly 3, for surveying
The rotating speed of two ladder rotating assembly 2 of flow control or the 3rd ladder rotating assembly 3, and then calculate the speed of glass motion.
The technical solution provided above the embodiment of the present application is described in detail.Although apply herein specific
A example the principle and embodiment of the application are set forth, still, the explanation of above-described embodiment is only applicable to help and manages
Solve the principle of the embodiment of the present application；Meanwhile to those skilled in the art, according to the embodiment of the present application, it is being embodied
It can be made a change within mode and application range.
It should be noted that：Mark in attached drawing is intended merely to be illustrated more clearly that the application, is not intended as protecting the application
Protect the improper restriction of scope.
Term " comprising " or any other like term are intended to non-exclusive inclusion, so that including a system
Process, method, article or the equipment/device of row key element not only include those key elements, but also including being not explicitly listed
Other key elements, either further include these processes, method, article or the intrinsic key element of equipment/device.
Statement as " first ", " second " etc. is used herein, this statement is just for the sake of similar pair of difference
As being not to be used to state specific order or precedence.
The application is not limited to the above embodiment, and in the case of without departing substantially from the application substantive content, this area is common
Any deformation, improvement or replacement that technical staff is contemplated that each fall within the protection domain of the application.
Claims (17)
1. a kind of high-precision conveying device for the detection of transparent plate appearance, it is characterised in that described device includes at least：
4 ladder rotating assemblies for carrying circular groove, including ladder shaft (19), travelling gear (21), bearing (20), 4
Root ladder rotating assembly is installed in the bearing saddle bore of the first support plate (13) and the second support plate (18), the first support plate (13)
It is fixed on the second support plate (18) on bottom plate (17)；
On first ladder rotating assembly (1) and the second ladder rotating assembly (2) wherein 2 are respectively provided with 2 circular grooves
Feed belt (14), (16), similarly, wherein 2 on the 3rd ladder rotating assembly (3) and fourth order ladder rotating assembly (4)
2 feed belts (5), (7) are respectively provided with circular groove, the first belt support component (15) is used to support the first feed belt
(16), the second feed belt (14)；Second belt support component (6) is used to support the 3rd feed belt (5), the 4th feed belt
(7)。
2. device according to claim 1, it is characterised in that：Transparent plate elects glass plate as or transparent plastic is put down
Plate.
3. the apparatus of claim 2, it is characterised in that the first ladder rotating assembly (1) turns with the second ladder
Distance between axles between shaft assembly (2) is a, the distance between axles between the second ladder rotating assembly (2) and the 3rd ladder rotating assembly (3)
For b, the distance between axles between the 3rd ladder rotating assembly (3) and fourth order ladder rotating assembly (4) is c, is set in the transmit direction,
The length of glass is L, usually, b ＜ L/2, a ＞ L, c ＞ L.
4. device according to claim 3, it is characterised in that the upper limit value of a, c are no more than the elastic model of transmission flat belt
Enclose.
5. according to the device described in claim 1-4 any claims, it is characterised in that the second ladder rotating assembly
(2) or the 3rd ladder rotating assembly (3) can be directly connected with rotary coding device assembly (9).
6. according to the device described in claim 1-4 any claims, it is characterised in that and the second ladder shaft group
The shelter of transparent plate imaging can not be influenced between part (2) and the 3rd ladder rotating assembly (3).
7. device according to claim 5, it is characterised in that and the second ladder rotating assembly (2) and the 3rd rank
The shelter of transparent plate imaging can not be influenced between terraced rotating assembly (3).
8. according to the device described in claim 1-4 any claims, it is characterised in that the first belt support component
(15) it is identical with the design structure of the second belt support component (6), all respectively by 1 support base (22) and 4 bias
Support member (23) forms.
9. device according to claim 5, it is characterised in that the first belt support component (15) and the second belt branch
The design structure of support component (6) is identical, is all made of respectively 1 support base (22) and 4 accentric support components (23).
10. device according to claim 6, it is characterised in that the first belt support component (15) and the second belt
The design structure of support component (6) is identical, all respectively by 1 support base (22) and 4 accentric support component (23) groups
Into.
11. device according to claim 7, it is characterised in that the first belt support component (15) and the second belt
The design structure of support component (6) is identical, all respectively by 1 support base (22) and 4 accentric support component (23) groups
Into.
12. device according to claim 8, it is characterised in that the first belt support component (15) and the second belt
The design structure of support component (6) is identical, all respectively by 1 support base (22) and 4 accentric support component (23) groups
Into.
13. device according to claim 8, it is characterised in that accentric support component (23) includes support runner (24), six
Angle eccentric shaft (25), optical axis (26), wherein support runner (24) is installed on hexagonal eccentric shaft (25), it determines axially through clamp spring
Position.
14. according to the device described in claim 9-12 any claims, it is characterised in that accentric support component (23) includes
Runner (24), hexagonal eccentric shaft (25), optical axis (26) are supported, wherein support runner (24) is installed on hexagonal eccentric shaft (25),
It is positioned axially through clamp spring.
15. device according to claim 8, it is characterised in that one end insertion hexagonal eccentric shaft (25) of optical axis (26)
Fixed in eccentric orfice and by holding screw, the other end is fixed in the lateral aperture of belt support component base (22), passes through rotation
Turn hexagonal eccentric shaft (25), the height on support runner (24) vertical direction can be driven to adjust.
16. according to the device described in claim 9-13 any claims, it is characterised in that one end insertion six of optical axis (26)
Fixed in the eccentric orfice of angle eccentric shaft (25) and by holding screw, the other end is fixed on the side of belt support component base (22)
In face, by rotating hexagonal eccentric shaft (25), the height on support runner (24) vertical direction can be driven to adjust.
17. device according to claim 14, it is characterised in that one end insertion hexagonal eccentric shaft (25) of optical axis (26)
Fixed in eccentric orfice and by holding screw, the other end is fixed in the lateral aperture of belt support component base (22), passes through rotation
Turn hexagonal eccentric shaft (25), the height on support runner (24) vertical direction can be driven to adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664777.7U CN207351917U (en) | 2017-06-09 | 2017-06-09 | High-precision conveying device for the detection of transparent plate appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664777.7U CN207351917U (en) | 2017-06-09 | 2017-06-09 | High-precision conveying device for the detection of transparent plate appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351917U true CN207351917U (en) | 2018-05-11 |
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ID=62358662
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720664777.7U Active CN207351917U (en) | 2017-06-09 | 2017-06-09 | High-precision conveying device for the detection of transparent plate appearance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014825A (en) * | 2017-06-09 | 2017-08-04 | 中科慧远视觉技术（洛阳）有限公司 | A kind of high-precision conveying device detected for transparent plate outward appearance |
-
2017
- 2017-06-09 CN CN201720664777.7U patent/CN207351917U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014825A (en) * | 2017-06-09 | 2017-08-04 | 中科慧远视觉技术（洛阳）有限公司 | A kind of high-precision conveying device detected for transparent plate outward appearance |
| CN107014825B (en) * | 2017-06-09 | 2023-09-12 | 中科慧远视觉技术（洛阳）有限公司 | High-precision conveying device for appearance detection of transparent flat plate |
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