CN208888127U - A kind of printed matter color automatic detection device based on image and spectroscopic modes - Google Patents
A kind of printed matter color automatic detection device based on image and spectroscopic modes Download PDFInfo
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- CN208888127U CN208888127U CN201821479495.0U CN201821479495U CN208888127U CN 208888127 U CN208888127 U CN 208888127U CN 201821479495 U CN201821479495 U CN 201821479495U CN 208888127 U CN208888127 U CN 208888127U
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Abstract
This application discloses a kind of printed matter color automatic detection device based on image and spectroscopic modes, the device includes: the top that guide assembly is set to sample placement platform by support device, guide assembly is provided with cross slide way and longitudinal rail, cross slide way and longitudinal rail are vertically arranged, it is provided with sliding connecting device on cross slide way and longitudinal rail, sliding connecting device can transversely guide rail and longitudinal rail movement；Colour photometer is connected to the sliding connecting device of guide assembly, and colour photometer follows the movement of sliding connecting device and moves, and colour photometer is used to detect the color of printed matter to be detected；Image collecting device is set to the top of sample placement platform, and the visual field of image collecting device covers sample placement platform, and image collecting device is used to obtain the image of printed matter to be detected.By the technical solution in the application, the workload during color detection is advantageously reduced, improves the accuracy of color detection efficiency and detection zone positioning.
Description
Technical field
This application involves the technical fields of printed matter color detection, in particular to one kind based on image and light splitting side
The printed matter color automatic detection device of formula.
Background technique
The method of printed matter color detection can generally use two different methods: spectrophotometry and image colour examining
Method.For image colorimetry method, usually surveyed by sensor device such as RGB imaging sensor and multispectral imaging sensor
Measure the rgb value of printed matter image, to obtain the tristimulus values and Lab chromatic value of printed matter image, but its testing result by
The influence of the spectral response characteristic of different sensors device and generate difference, the reliability of testing result is lower.For being divided light
For degree method, printed matter reflected light spectral power distributions, the i.e. photometric property of printed matter itself are mainly measured, then pass through calculating
Method acquires tristimulus values of the printed matter under the illumination of various standard sources, testing result high reliablity.
And in the prior art, when using spectrophotometry printed matter color, it usually needs testing staff repeatedly moves
Dynamic spectrophotometry device, tests to the color of the different parts of same sample, causes to examine using spectrophotometry
It surveys during printed matter color, testing staff's larger workload, detection efficiency is relatively low, and exists in carrying out position moving process
A possibility that position inaccurate, and then influence the detection accuracy of spectrophotometry.
Utility model content
The purpose of the application is: reducing the workload of testing staff during spectrophotometry, improves to be detected
Printed matter color detection efficiency and detection accuracy.
The technical solution of the application is: providing a kind of printed matter color based on image and spectroscopic modes and detects dress automatically
It sets, which includes: sample placement platform, guide assembly, colour photometer and image collecting device；Guide assembly is set by support device
It is placed in the top of sample placement platform, guide assembly is provided with cross slide way and longitudinal rail, and cross slide way and longitudinal rail are vertically set
It sets, sliding connecting device is provided on cross slide way and longitudinal rail, sliding connecting device can transversely be led in guide rail and longitudinal direction
Rail movement；Colour photometer is connected to the sliding connecting device of guide assembly, and colour photometer follows the movement of sliding connecting device and moves,
Colour photometer is used to detect the color of printed matter to be detected；Image collecting device is set to the top of sample placement platform, image collector
The visual field covering sample placement platform set, image collecting device are used to obtain the image of printed matter to be detected.
In any of the above-described technical solution, further, sliding connecting device, further includes: spiral shell block, screw rod, gear are synchronous
Gear band and servo motor；Spiral shell block is connected to colour photometer, and spiral shell block spiral shell is set on screw rod, and when screw rod rotates, spiral shell block is along screw rod
Screw thread does forward or backward movement；The tail end of screw rod is provided with gear, and gear is connected to servo motor by synchromesh gear belt, watches
When taking motor operation, rotated by synchromesh gear belt band moving gear, and screw rod rotation is driven by gear.
In any of the above-described technical solution, further, sliding connecting device, further includes: limiter；Limiter includes the
One limiter and second limiter, first limiter are arranged close to the head end of screw rod, and second limiter is set close to the tail end of screw rod
It sets, when spiral shell block touches limiter, servo motor is out of service.
In any of the above-described technical solution, further, further includes: scale；Scale is set to the upper surface of sample placement platform,
It is arranged close to a corner of sample placement platform, scale includes lateral blend stop and longitudinal blend stop, and lateral blend stop is parallel to cross slide way,
Longitudinal blend stop is parallel to longitudinal rail, and scale is used for so that printed matter to be detected is aligned with guide assembly, scale be also used to so that
Printed matter to be detected is right against image collecting device.
In any of the above-described technical solution, it further, on scale is provided with equidistant scale.
In any of the above-described technical solution, further, further includes: adsorbent equipment；Adsorbent equipment is set to sample placement platform,
Adsorbent equipment is right against the lower section of image collecting device, and adsorbent equipment is used to make printed matter to be detected smooth by suction type
Ground is placed in above sample placement platform.
In any of the above-described technical solution, further, suction type includes negative pressure of vacuum, fan negative pressure and magnetic strip.
In any of the above-described technical solution, further, further includes: lighting device；Lighting device is to be detected for providing
The light source of printed matter.
In any of the above-described technical solution, further, lighting device is LED light, and light source is diffusion white light.
In any of the above-described technical solution, further, further includes: display device；Display device is to be detected for showing
The image and testing result of printed matter.
The beneficial effect of the application is: by setting guide assembly in color automatic detection device, enabling colour photometer
It is enough to be slided along guide assembly, it completes to examine the color of printed matter different zones to be detected, reduces printed matter to be detected
Manual operation amount in color checkout procedure is conducive to improve the checkability that printed matter color to be detected is examined, passes through servo
Motor driven colour photometer transversely and longitudinal movement, during improving color detection, the accuracy of colour photometer positioning, Jin Eryou
Conducive to the accuracy for improving color detection, a possibility that causing testing result abnormal because of human factor in checkout procedure is reduced.
The application is advantageously ensured that during placing printed matter to be detected every time by the way that scale is arranged on sample placement platform
Printed matter place at same location to be detected, improves the consistency of printed matter detection zone to be detected, by scale
Scale is set, a possibility that causing testing result abnormal because of printed matter change in size to be detected is reduced.Pass through setting absorption dress
Set, advantageously allow printed matter to be detected it is smooth be placed in sample placement platform, reduce during placing printed matter to be detected
A possibility that causing color detection abnormal because of bending, folding problem.By the way that limiter is arranged, colour photometer is reduced beyond normal row
A possibility that journey range, improves the reliability of color automatic detection device, by the way that lighting device is arranged, advantageously ensures that light source
Consistency, improve the accuracy for obtaining reflectance spectrum power, and then improve the accurate of printed matter color detection to be detected
Property.
Detailed description of the invention
The advantages of above-mentioned and/or additional aspect of the application, will become bright in combining description of the following accompanying drawings to embodiment
It shows and is readily appreciated that, in which:
Fig. 1 is to detect dress automatically according to the printed matter color based on image and spectroscopic modes of one embodiment of the application
The main view set；
Fig. 2 is to detect dress automatically according to the printed matter color based on image and spectroscopic modes of one embodiment of the application
The top view set.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to be more clearly understood that the above objects, features, and advantages of the application
Mode is applied the application is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, many details are elaborated in order to fully understand the application, still, the application may be used also
To be implemented using other than the one described here other modes, therefore, the protection scope of the application is not by described below
Specific embodiment limitation.
As shown in Figure 1, present embodiments provide a kind of printed matter color based on image and spectroscopic modes detects dress automatically
It sets, comprising: sample placement platform 1, guide assembly, colour photometer 4 and image collecting device 5；Guide assembly is arranged by support device
In the top of sample placement platform 1, guide assembly is provided with cross slide way 2 and longitudinal rail 3, and cross slide way 2 and longitudinal rail 3 are vertical
Setting, is provided with sliding connecting device on cross slide way 2 and longitudinal rail 3, and sliding connecting device can transversely guide rail 2 and vertical
Direction guiding rail 3 moves；
Specifically, guide assembly of the setting including cross slide way 2 and longitudinal rail 3 on sample placement platform 1, and on guide rail
Sliding connecting device is set, and sliding connecting device can transversely guide rail 2 and longitudinal rail 3 move, so that connecting with sliding
The connected colour photometer 4 of connection device can transversely and longitudinal movement.
Further, sliding connecting device, further includes: spiral shell block, screw rod, gear, synchromesh gear belt and servo motor；Spiral shell block
It is connected to colour photometer 4, spiral shell block spiral shell is set on screw rod, and when screw rod rotates, screw thread of the spiral shell block on screw rod does forward or backward and move；
The tail end of screw rod is provided with gear, and gear is connected to servo motor when servo motor is run by synchromesh gear belt and passes through synchronization
Gear band band moving gear rotates, and drives screw rod rotation by gear.
Specifically, servo motor is connected to industrial personal computer 10 by pulsqe distributor, when industrial personal computer 10 controls servo motor fortune
When row, servo motor drives to be fixedly connected by synchromesh gear belt to be rotated with the gear on screw rod, and then is realized and driven screw rod rotation
Turn.When screw rod rotation when, spiral shell block connect with wire rod thread, along on screw rod hand of spiral advance or retreat, drive and
The colour photometer 4 of spiral shell block connection moves.Wherein, the connection type of gear and screw rod can connect for keyway, can also pass through screw
It is connected with nut, welding can also be passed through.
Further, sliding connecting device, further includes: limiter；Limiter includes first limiter and the second limit
Device, first limiter are arranged close to the head end of screw rod, and second limiter is arranged close to the tail end of screw rod, when spiral shell block touches limit
When device, servo motor is out of service.
Specifically, in order to prevent because servo motor causes formation of the spiral shell block on screw rod beyond effective shape on screw rod extremely
At limiter being arranged at the both ends of screw rod, such as photoelectric position sensor, spring limit switch, when spiral shell block runs to limit
When the place of device limit, limiter is triggered, sends stop signal to servo motor, control servo motor is out of service.
In the present embodiment, colour photometer 4 is connected to the sliding connecting device of guide assembly, and colour photometer 4, which follows, to be slidably connected
The movement of device and move, colour photometer 4 is used to detect the color of printed matter to be detected；
Specifically, colour photometer 4 is the spectral reflectivity of printed matter to be detected under each wavelength of pattern acquiring based on light splitting,
Then the color value that printed matter to be detected specifies region is obtained by integral.
In the present embodiment, image collecting device 5 is set to the top of sample placement platform 1, and the visual field of image collecting device 5 is covered
Lid sample placement platform 1, image collecting device 5 are used to obtain the image of printed matter to be detected.
Preferably, image collecting device 5 includes camera and camera lens, and camera is colored area array cameras.
Specifically, the corresponding on-gauge plate of printed matter to be detected is placed on sample placement platform 1, passes through image collecting device 5
The image for obtaining on-gauge plate, selectes one or more regions in on-gauge plate image as measured zone, colour examining by testing staff
Instrument 4, by servo motor transmission to measured zone, obtains Lab value, the spectral reflectivity of measured zone under the control of industrial personal computer 10
And spectrum figure, it is denoted as standard value.
Printed matter to be detected corresponding with on-gauge plate is placed on sample placement platform 1 by testing staff, is controlled by industrial personal computer 10
Servo motor operation, drive colour photometer 4 transversely with it is longitudinally running, obtain the Lab of the corresponding printed matter to be detected of measured zone
Value, spectral reflectivity and spectrum figure, are denoted as measured value, are compared with previously measured standard value, when measured value and standard
When being worth consistent or both difference in the difference range of permission, then determine that the color of the printed matter to be detected is normal, otherwise,
Determine the color exception of printed matter to be detected.
Further, printed matter color automatic detection device, further includes: scale 6；Scale 6 is set to the upper of sample placement platform 1
Surface is arranged close to a corner of sample placement platform 1, and scale 6 includes lateral blend stop and longitudinal blend stop, and lateral blend stop is parallel to cross
Direction guiding rail 2, longitudinal blend stop are parallel to longitudinal rail 3, and scale 6 is used for so that printed matter to be detected is aligned with guide assembly, scale 6
It is also used to limit, so that printed matter to be detected is right against image collecting device 5, in order to which image collecting device 5 can collect
The all images of printed matter to be detected.
Preferably, equidistant scale is provided on scale 6.
Specifically, scale 6 is set on sample placement platform 1, it, will according to scale when testing staff places printed matter to be detected
Printed matter to be detected is placed at identical position, to guarantee the measured zone of printed matter to be detected and the measured zone of on-gauge plate
Corresponding, i.e. the region of guarantee colour photometer 4 detection is consistent, and the corresponding measured zone of obtained measured value is consistent.
Further, printed matter color automatic detection device, further includes: adsorbent equipment 7；Adsorbent equipment 7 is set to setting-out
Platform 1, adsorbent equipment 7 are right against the lower section of image collecting device 5, and adsorbent equipment 7 is to be detected for being made by suction type
Printed matter is entirely placed in 1 top of sample placement platform.
Preferably, suction type includes negative pressure of vacuum, fan negative pressure and magnetic strip.
Specifically, the top for being placed in sample placement platform 1 for making printed matter to be detected smooth by adsorbent equipment 7, avoids
It because of printed matter to be detected bending, folds, causes color detection abnormal.
When using magnetic strip, after printed matter to be detected is placed on sample placement platform 1, magnet steel is used respectively horizontal and vertical
Piece lid, side is adsorbed smooth on that prin matter to be detect.
When using fan negative pressure, a negative-pressure type chamber is formed below sample placement platform 1, is discharged using negative pressure fan
Air declines intracavitary air pressure, and chamber air weakens, and air is intracavitary since draught head compensation flows into, and adsorbs printing to be detected
Product make its surfacing.
Further, printed matter color automatic detection device, further includes: lighting device 8；Lighting device 8 for provide to
Detect the light source of printed matter.
Preferably, lighting device 8 is LED light, and light source is diffusion white light.
Specifically, cabinet can be set on sample placement platform 1, image collecting device 5 is located at the surface of sample placement platform,
Lighting device 8 is set in cabinet, provides consistent light source to printed matter to be detected and corresponding on-gauge plate.
Further, printed matter color automatic detection device, further includes: display device 9；Display device 9 for show to
Detect the image and testing result of printed matter.
Specifically, industrial personal computer 10 and display device 9 are set in printed matter color automatic detection device, and colour photometer 4 will be examined
Lab value, spectral reflectivity and the spectrum figure of the measured zone measured, compare measured value and standard value by industrial personal computer 10
Compared with CIELAB, CMC (l:c), DE2000 and DE94 colour difference formula can be used, and industrial personal computer 10 will test result and be sent to display
Device 9, display device 9 can also divide different display areas with multihead display, and the content of display may include colour photometer
Attribute setting area, measurement data display area, image display area, defect display area, wherein defect type includes ink
Point, bite, knife silk and draw ink.
Further, in this embodiment printed matter color automatic detection device can also detect nonstandard sample and standard sample
The similarity of shape, size and brand.
Preferably, setting zero correction box and correction blank, in order to carry out school to image collecting device 5 and colour photometer 4
It tests, zero correction box and idle correction blank when is withdrawn, and work when moves up and surveys under the control of stepper motor
The fitting of color instrument, completes the correction work of colour photometer.
The technical solution for having been described in detail above with reference to the accompanying drawings the application, present applicant proposes one based on image and light splitting side
The printed matter color automatic detection device of formula, comprising: guide assembly is set to the top of sample placement platform, guide rail by support device
Component is provided with cross slide way and longitudinal rail, and cross slide way and longitudinal rail are vertically arranged, on cross slide way and longitudinal rail
It is provided with sliding connecting device, sliding connecting device can transversely guide rail and longitudinal rail movement；Colour photometer is connected to guide rail
The sliding connecting device of component, colour photometer follow the movement of sliding connecting device and move, and colour photometer is for detecting print to be detected
The color of brush product；Image collecting device is set to the top of sample placement platform, and the visual field of image collecting device covers sample placement platform, figure
As acquisition device is used to obtain the image of printed matter to be detected.By the technical solution in the application, color inspection is advantageously reduced
Workload during survey improves the accuracy of color detection efficiency and detection zone positioning.
In this application, the terms such as term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example,
" connection " may be fixed connection or may be dismantle connection, or integral connection；" connected " can be directly connected,
It can be indirectly connected through an intermediary.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in this application.
The shape of all parts in attached drawing is schematical, however not excluded that there is some difference with its true shape, attached
Figure is only used for being illustrated the principle of the application, is not intended to and limits the application.
Although disclosing the application in detail with reference to attached drawing, it will be appreciated that, these descriptions are only exemplary, not
For limiting the application of the application.The protection scope of the application may include not departing from this Shen by appended claims
It please be in the case where protection scope and spirit for various modifications, remodeling and equivalent scheme made by utility model.
Claims (10)
1. a kind of printed matter color automatic detection device based on image and spectroscopic modes, which is characterized in that the device includes: to put
Sample platform (1), guide assembly, colour photometer (4) and image collecting device (5)；
The guide assembly is set to the top of the sample placement platform (1) by support device, and the guide assembly is provided with cross
Direction guiding rail (2) and longitudinal rail (3), the cross slide way (2) and the longitudinal rail (3) are vertically arranged, the cross slide way
(2) and on the longitudinal rail (3) it is provided with sliding connecting device, the sliding connecting device can be along the cross slide way
(2) it is moved with the longitudinal rail (3)；
The colour photometer (4) is connected to the sliding connecting device of the guide assembly, and the colour photometer (4) follows the cunning
It moves the movement of attachment device and moves, the colour photometer (4) is used to detect the color of printed matter to be detected；
Described image acquisition device (5) is set to the top of the sample placement platform (1), the visual field of described image acquisition device (5)
It covers the sample placement platform (1), described image acquisition device (5) is used to obtain the image of the printed matter to be detected.
2. the printed matter color automatic detection device based on image and spectroscopic modes as described in claim 1, which is characterized in that
The sliding connecting device, further includes: spiral shell block, screw rod, gear, synchromesh gear belt and servo motor；
The spiral shell block is connected to the colour photometer (4), and the spiral shell block spiral shell is set on the screw rod, described when the screw rod rotates
Screw thread of the spiral shell block on the screw rod does forward or backward and moves；
The tail end of the screw rod is provided with the gear, and the gear is connected to the servo electricity by the synchromesh gear belt
Machine when the servo motor is run, drives the gear to rotate by the synchromesh gear belt, and as described in gear drive
Screw rod rotation.
3. the printed matter color automatic detection device based on image and spectroscopic modes as claimed in claim 2, which is characterized in that
The sliding connecting device, further includes: limiter；
The limiter includes first limiter and second limiter, and the first limiter is set close to the head end of the screw rod
It sets, the second limiter is arranged close to the tail end of the screw rod, described when the spiral shell block touches the limiter
Servo motor is out of service.
4. the printed matter color automatic detection device based on image and spectroscopic modes as described in claim 1, which is characterized in that
Further include: scale (6)；
The scale (6) is set to the upper surface of the sample placement platform (1), and a corner close to the sample placement platform (1) is set
It sets, the scale (6) includes lateral blend stop and longitudinal blend stop, and the transverse direction blend stop is parallel to the cross slide way (2), described vertical
It is parallel to the longitudinal rail (3) to blend stop, the scale (6) is used for so that the printed matter to be detected and the guide assembly
Alignment, the scale (6) is also used to so that the printed matter to be detected is right against described image acquisition device (5).
5. the printed matter color automatic detection device based on image and spectroscopic modes as claimed in claim 4, which is characterized in that
Equidistant scale is provided on the scale (6).
6. the printed matter color automatic detection device based on image and spectroscopic modes as described in claim 1, which is characterized in that
Further include: adsorbent equipment (7)；
The adsorbent equipment (7) is set to the sample placement platform (1), and the adsorbent equipment (7) is right against described image acquisition dress
The lower section of (5) is set, the adsorbent equipment (7) is used to that the printed matter to be detected to be made entirely to be placed in by suction type described
Above sample placement platform (1).
7. the printed matter color automatic detection device based on image and spectroscopic modes as claimed in claim 6, which is characterized in that
The suction type includes negative pressure of vacuum, fan negative pressure and magnetic strip.
8. the printed matter color automatic detection device based on image and spectroscopic modes as described in claim 1, which is characterized in that
Further include: lighting device (8)；
The lighting device (8) is used to provide the described the light source of printed matter to be detected.
9. the printed matter color automatic detection device based on image and spectroscopic modes as claimed in claim 8, which is characterized in that
The lighting device (8) is LED light, and the light source is diffusion white light.
10. the printed matter color automatic detection device based on image and spectroscopic modes, feature exist as described in claim 1
In, further includes: display device (9)；
The display device (9) is used to show the described image and testing result of the printed matter to be detected.
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| CN201821479495.0U CN208888127U (en) | 2018-09-10 | 2018-09-10 | A kind of printed matter color automatic detection device based on image and spectroscopic modes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153249A (en) * | 2020-01-20 | 2020-05-15 | 天津迦自机器人科技有限公司 | Printer manufacturing production line proof sheet detection and judgment system based on intelligent vision |
| CN111474121A (en) * | 2020-04-10 | 2020-07-31 | 三峡大学 | Textile thread printing and dyeing color difference detection device and detection method thereof |
| CN112345471A (en) * | 2020-11-10 | 2021-02-09 | 深圳拓匠印前科技有限公司 | Hand-held intelligent color measuring instrument |
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2018
- 2018-09-10 CN CN201821479495.0U patent/CN208888127U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153249A (en) * | 2020-01-20 | 2020-05-15 | 天津迦自机器人科技有限公司 | Printer manufacturing production line proof sheet detection and judgment system based on intelligent vision |
| CN111474121A (en) * | 2020-04-10 | 2020-07-31 | 三峡大学 | Textile thread printing and dyeing color difference detection device and detection method thereof |
| CN112345471A (en) * | 2020-11-10 | 2021-02-09 | 深圳拓匠印前科技有限公司 | Hand-held intelligent color measuring instrument |
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