CN103792234A - Reciprocating-motion banknote paper fluorescence fiber on-line detection device - Google Patents
Reciprocating-motion banknote paper fluorescence fiber on-line detection device Download PDFInfo
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- CN103792234A CN103792234A CN201210422860.5A CN201210422860A CN103792234A CN 103792234 A CN103792234 A CN 103792234A CN 201210422860 A CN201210422860 A CN 201210422860A CN 103792234 A CN103792234 A CN 103792234A
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Abstract
The invention discloses a reciprocating-motion banknote paper fluorescence fiber on-line detection device. A back paper carrying roller after being driven by a paper carrying motor rotates and drives a paper web so as to inject the paper web from a front paper carrying roller and pull the paper web out by the back paper carrying roller. A first imaging device can image the paper web exposed in a first light source and can transmit information to a longitudinally-cut-cursor position analysis and deviation calculation module. The longitudinally-cut-cursor position analysis and deviation calculation module obtains horizontal coordinate location information of a longitudinally cut cursor and transmits the information to a servo motor master control module. The servo motor master control module controls a driving device to drive a sliding block mechanism so that sliding block mechanism horizontally reciprocates along the paper on a rack. An imaging device on a sliding block mechanism can image the paper web exposed in a second light source and transmit information to a fluorescence fiber analysis module. The fluorescence fiber analysis module can analyze color fluorescence fiber information in images shown in the second imaging device and can output the analysis results. The detection device achieves sufficient protection for workers, and is simple in structure, low in machining cost, precise in detection and convenient to use.
Description
Technical field
The present invention relates to a kind of servicing unit of paper manufacture line, espespecially relate to a kind of reciprocating motion type bank-note paper fluorescent fiber on-line measuring device.
Background technology
In bank-note paper production run, in paper web, there is the slitter line of similar white watermark effect, high-visible under printing opacity, for follow-up cut paper operation correction calibration.Copy paper paper web has teeter in motion process, and in order to guarantee the accurate of detection position, detecting unit must be take rip cutting cursor as reference point, teeter together with paper web.
In bank-note paper production run, need in paper, full version embed color fluorescence fiber as anti-counterfeiting characteristic.These fluorescent fibers can present multiple color under ultraviolet excitation, in bank-note paper manufacture process, the quantity, position, the shape that embed fluorescent fiber are had to specific requirement.Current detection mode is on-line sampling paper, puts into fluorescence lamp box, and it embeds effect artificial judgment, and ultraviolet ray has damage to human eye, and sampling check efficiency is low, poor accuracy.
Also can laterally install many color image sensors additional and realize fluorescent fiber with the LED ultraviolet source of the horizontal same widths of paper web and detect along paper web, but cost be high.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of reciprocating motion type bank-note paper fluorescent fiber on-line measuring device, this reciprocating motion type bank-note paper fluorescent fiber on-line measuring device is simple in structure, automatically detects, and does not injure human eye, and testing cost is low.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of reciprocating motion type bank-note paper fluorescent fiber on-line measuring device, comprise frame, paper injection motor, front paper carrying roll, rear paper carrying roll, the first light source, the first imaging device, rip cutting cursor position is resolved and deviation computing module, drive unit, slide block mechanism, secondary light source, the second imaging device, fluorescent fiber analysis module and servomotor main control module, take paper on paper machine from wet end to the direction of motion of reeling end as longitudinally, take with paper web longitudinally vertical direction for horizontal, before described, rear paper carrying roll parallel interval can rotational positioning in frame, paper injection motor drives rear paper carrying roll to rotarily drive paper web and is introduced by front paper carrying roll and drawn by rear paper carrying roll, the first light source and the first imaging device correspondence are fixed in the frame of paper web both sides, the first light source irradiates in paper surface, the first imaging device can and be messaging in rip cutting cursor position by the paper web imaging of irradiating through the first light source and resolve and deviation computing module, rip cutting cursor position is resolved and deviation computing module draws the lateral coordinates positional information of paper web rip cutting cursor and is transferred to servomotor main control module after calculating and comparing, servomotor master control module controls drive unit drives slide block mechanism to move along paper transverse reciprocating in frame, described secondary light source and the second imaging device are fixed on slide block mechanism, secondary light source irradiates in paper surface, the second imaging device can and be messaging in fluorescent fiber analysis module by the paper web imaging of irradiating through secondary light source, fluorescent fiber analysis module can be to the second imaging device the position distribution of the color fluorescence fiber in image, analysis result is analyzed and exported to quantity and colouring information.
As a further improvement on the present invention, be connected with the first scrambler on paper injection motor, the first scrambler can obtain rear paper carrying roll angular velocity measurement result and deliver a letter and resolve and deviation computing module to rip cutting cursor position.
As a further improvement on the present invention, described the first light source is LED white light source (width is 20-50CM), and the first imaging device is line sweep monochrome image sensor.
As a further improvement on the present invention, described secondary light source is LED purple light source, and the second imaging device is line sweep color image sensor.
As a further improvement on the present invention, the structure that described servomotor master control module controls drive unit drives slide block mechanism to move along paper transverse reciprocating in frame is: described drive unit is a servomotor, also be provided with a driven by servomotor module and a screw mandrel, described servomotor main control module is messaging in driven by servomotor module, driven by servomotor module drives servomotor action, servomotor power is exported to can the screw mandrel of rotational positioning in frame, described screw mandrel is parallel to paper web plane and it is axially for paper web is horizontal, slide block mechanism and screw mandrel activity are spirally connected.
As a further improvement on the present invention, be also provided with and the slide rail of screw mandrel axially parallel in frame, described slide block mechanism is sheathed on slide rail.
As a further improvement on the present invention, be connected with the second scrambler on described servomotor, this second scrambler can obtain position and the rotary speed information of servomotor and deliver a letter to servomotor main control module.
As a further improvement on the present invention, be installed with a pair of limit position sensor in frame, this can sense the slide block mechanism in paper web transverse ends extreme position to limit position sensor, and is messaging in servomotor main control module.
As a further improvement on the present invention, described servomotor main control module comprises filter capacitor, rectifier bridge stack and the first thyristor, described the first thyristor that connects the pulse width modulating signal that servomotor main control module sends is electrically connected output variable DC voltage and realizes the control of motor action speed with filter capacitor, in described rectifier bridge stack, be provided with second, the first signal passage of three thyristors compositions and by the 4th, the secondary signal passage of five thyristor compositions, described first, binary signal passage receives respectively the control signal that servomotor main control module sends and realizes the positive and negative motion control of servomotor.
As a further improvement on the present invention, described servomotor main control module is programmable controller, also be provided with main control module man-machine interface, between described rip cutting cursor position parsing and deviation computing module and servomotor main control module, be provided with heartbeat signal, this heartbeat signal is messaging in servomotor main control module, and described servomotor main control module can send sound and light alarm signal by main control module man-machine interface.
The invention has the beneficial effects as follows: the present invention is by the first light source, the lateral attitude that the first imaging device and rip cutting cursor position are resolved and deviation computing module obtains rip cutting cursor in the bank-note paper paper web of lengthwise movement, servomotor main control module is take rip cutting cursor lateral attitude as reference point, by the displacement of setting, drive slide block mechanism transversal displacement to assigned address, start by secondary light source, the second imaging device and the work of fluorescent fiber analysis module, realizing paper web desired location fluorescent fiber detects online, Automatic Control in testing process, ultraviolet ray can not injure workman's eyes, workman is played to sufficient protection, and it is simple in structure, processing cost is low, easy to use, detect accurately.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2 is structural principle schematic diagram of the present invention;
Fig. 3 is schematic top plan view of the present invention.
Embodiment
Embodiment: a kind of reciprocating motion type bank-note paper fluorescent fiber on-line measuring device, comprise frame 9, paper injection motor, front paper carrying roll 1, rear paper carrying roll 14, the first light source 2, the first imaging device 3, rip cutting cursor position is resolved and deviation computing module 5, drive unit, slide block mechanism 91, secondary light source 10, the second imaging device 11, fluorescent fiber analysis module 12 and servomotor main control module 6, take paper on paper machine from wet end to the direction of motion of reeling end as longitudinally, take with paper web longitudinally vertical direction for horizontal, before described, rear paper carrying roll 14 parallel interval can rotational positioning in frame 9, paper injection motor drives rear paper carrying roll 14 to rotarily drive paper web 30 and is introduced by front paper carrying roll 1 and drawn by rear paper carrying roll 14, the first light source 2 and the first imaging device 3 correspondences are fixed in the frame 9 of paper web both sides, the first light source 2 irradiates in paper surface, the first imaging device 3 can and be messaging in rip cutting cursor position by the paper web imaging of irradiating through the first light source 2 and resolve and deviation computing module 5, rip cutting cursor position is resolved and deviation computing module 5 draws the lateral coordinates positional information of paper web rip cutting cursor and is transferred to servomotor main control module 6 after calculating and comparing, servomotor main control module 6 accessory drives drive slide block mechanism 91 to move along paper transverse reciprocating in frame 9, described secondary light source 10 and the second imaging device 11 are fixed on slide block mechanism 91, secondary light source 10 irradiates in paper surface, the second imaging device 11 can and be messaging in fluorescent fiber analysis module 12 by the paper web imaging of irradiating through secondary light source 10, fluorescent fiber analysis module 12 can be to the position distribution of the second color fluorescence fiber in image that imaging device 11 is, analysis result is analyzed and exported to quantity and colouring information, lengthwise movement paper web is imported pick-up unit by front paper carrying roll 1, the first light source 2 and the first imaging device 3 generate the paper image that comprises rip cutting cursor 20, sending to rip cutting cursor position resolves and deviation computing module 5, this rip cutting cursor position is resolved and deviation computing module 5 is analyzed the image getting, calculate the lateral coordinates position of rip cutting cursor in image, send to servomotor main control module 6, servomotor main control module 6 is according to position deviation order of magnitude, accessory drive transmits control signal, drive unit action, drive slide block mechanism 91 along the horizontal left and right displacement of paper, when slide block mechanism 91 is displaced to desired location, secondary light source 10 and the second imaging device 11 generate the paper image that comprises fluorescent fiber 21, send to fluorescent fiber analysis module 12, this fluorescent fiber analysis module 12 is analyzed the image getting, calculate the position distribution of fluorescent fiber in image, quantity, colouring information, fluorescent fiber analysis module 12 quits work, slide block mechanism 91 drives secondary light source 10 and the second imaging device 11 to move to the next position of paper web, fluorescent fiber analysis module 12 is started working, so repeatedly realize the full paper web fluorescent fiber scanning of bank-note paper testing goal, can detect arbitrary shape, as linear, triangle, circular, annular, the fluorescent fiber of square etc., described rip cutting cursor position is resolved and deviation computing module 5, servomotor main control module 6 and fluorescent fiber analysis module 12 can be realized by an embedded computer equipment or industrial control computer.
On described paper injection motor, being connected with the first scrambler 4, the first scramblers can obtain rear paper carrying roll 14 angular velocity measurement results and deliver a letter and resolve and deviation computing module 5 to rip cutting cursor position.
Described the first light source 2 is LED white light source (width is 20-50CM), the first imaging device 3 is line sweep monochrome image sensor, rip cutting cursor position is resolved and deviation computing module 5 joint line scanning monochrome image sensor line-scanning frequency and encoder data, the monochrome image that generation comprises rip cutting cursor, is resolved to the lateral coordinates position of rip cutting cursor in image by gradation of image difference arithmetic.
Described secondary light source 10 is LED purple light source, and the second imaging device 11 is line sweep color image sensor.
The structure that described servomotor main control module 6 accessory drives drive slide block mechanism 91 to move along paper transverse reciprocating in frame 9 is: described drive unit is a servomotor 8, also be provided with a driven by servomotor module 7 and a screw mandrel, described servomotor main control module 6 is messaging in driven by servomotor module 7, driven by servomotor module 7 drives servomotor action, servomotor power is exported to can the screw mandrel of rotational positioning in frame 9, described screw mandrel is parallel to paper web plane and it is axially horizontal for paper web, and slide block mechanism 91 is spirally connected with screw mandrel activity.
In frame 9, be also provided with and the slide rail 15 of screw mandrel axially parallel, described slide block mechanism 91 is sheathed on slide rail 15.
On described servomotor, be connected with the second scrambler, this second scrambler can obtain position and the rotary speed information of servomotor and deliver a letter to servomotor main control module 6, servomotor main control module 6 subtracts each other the physical location of the slide block mechanism 91 of rip cutting cursor lateral coordinates position and servomotor feedback, obtain the physical location deviate of slide block mechanism 91, desired location deviate refers to the poor of the slide block mechanism 91 lateral coordinates positions of setting and rip cutting cursor lateral coordinates position, physical location deviation and desired location deviation and, need exactly slide block mechanism 91 position deviations that regulate,
The slide block mechanism 91 lateral coordinates Wei Zhi – rip cutting cursor lateral coordinates positions of slide block mechanism 91 physical location deviations=servomotor feedback;
Need the slide block mechanism 91 lateral coordinates position deviation=slide block mechanism 91 physical location deviation+slide block mechanism 91 desired location deviations that regulate.
In frame 9, be installed with a pair of limit position sensor, this can sense the slide block mechanism 91 in paper web transverse ends extreme position to limit position sensor, and be messaging in servomotor main control module 6, in the time that slide block mechanism 91 runs to limit position, servomotor main control module 6 is controlled servomotor reversion by driven by servomotor module 7 makes slide block mechanism 91 from trend motion in the other direction.
Described servomotor main control module 6 comprises filter capacitor, rectifier bridge stack and the first thyristor, described the first thyristor that connects the pulse width modulating signal that servomotor main control module 6 sends is electrically connected output variable DC voltage and realizes the control of motor action speed with filter capacitor, in described rectifier bridge stack, be provided with the first signal passage of second and third thyristor composition and the secondary signal passage being made up of fourth, fifth thyristor, described first and second signalling channel receives respectively the control signal that servomotor main control module 6 sends and realizes the positive and negative motion control of servomotor.
Described servomotor main control module 6 is programmable controller, also be provided with main control module man-machine interface 13, between described rip cutting cursor position parsing and deviation computing module 5 and servomotor main control module 6, be provided with heartbeat signal, this heartbeat signal is messaging in servomotor main control module 6, described servomotor main control module 6 can send sound and light alarm signal by main control module man-machine interface 13, and whether heartbeat signal is normal for detection of communicating by letter between the parsing of rip cutting cursor position and deviation computing module 5 and driven by servomotor module 7; When stuck phenomenon appears in communication abnormality or slide block mechanism 91, main control module man-machine interface 13 is sent sound and light alarm signal, shows simultaneously, records alarm content; Main control module man-machine interface 13 can also realize parameter setting, detection and control data demonstration, manual operation, data recording; Parameter setting comprises: the image resolution ratio of diameter, line sweep monochrome image sensor and the line sweep color image sensor of the rear paper carrying roll 14 of installation scrambler and line-scanning frequency, rip cutting cursor position setting value, slide block mechanism 91 position setting value; Detecting and control data demonstration comprises: rip cutting cursor position actual measured value, fluorescent fiber distributed quantity, position, colouring information, slide block mechanism 91 positions, offset deviation; Alarm comprises: servomotor is reported to the police to communication between utmost point spacing alarm, Image Acquisition abnormal alarm, each module to utmost point spacing alarm, slide block mechanism 91; Manual operation comprise slide block mechanism 91 lateral attitudes control manually automatically switch, the slide block mechanism 91 that manually moves to left, manually move to right slide block mechanism 91, manually directly positioning sliding block mechanism 91 to certain set point; Data recording comprises: record all parameters and testing result to database, and can inquiry system operation history data etc.
Reciprocating motion type bank-note paper fluorescent fiber on-line measuring device of the present invention, not only can be used for fluorescent fiber in bank-note paper production run and detects, and also can be applicable to by machine vision technique, inspects the occasion of some optical characteristics material in motion paper web by random samples.
Claims (10)
1. a reciprocating motion type bank-note paper fluorescent fiber on-line measuring device, it is characterized in that: comprise frame (9), paper injection motor, front paper carrying roll (1), rear paper carrying roll (14), the first light source (2), the first imaging device (3), rip cutting cursor position is resolved and deviation computing module (5), drive unit, slide block mechanism (91), secondary light source (10), the second imaging device (11), fluorescent fiber analysis module (12) and servomotor main control module (6), take paper on paper machine from wet end to the direction of motion of reeling end as longitudinally, take with paper web longitudinally vertical direction for horizontal, before described, rear paper carrying roll (14) parallel interval can rotational positioning in frame (9), after paper injection motor drives, paper carrying roll (14) rotarily drives paper web (30) by front paper carrying roll (1) introducing and is drawn by rear paper carrying roll (14), the first light source (2) and the first imaging device (3) correspondence are fixed in the frame (9) of paper web both sides, the first light source (2) irradiates in paper surface, the first imaging device (3) can and be messaging in rip cutting cursor position by the paper web imaging of irradiating through the first light source (2) and resolve and deviation computing module (5), rip cutting cursor position is resolved and deviation computing module (5) draws the lateral coordinates positional information of paper web rip cutting cursor and is transferred to servomotor main control module (6) after calculating and comparing, servomotor main control module (6) accessory drive drives slide block mechanism (91) above to move along paper transverse reciprocating in frame (9), described secondary light source (10) and the second imaging device (11) are fixed on slide block mechanism (91), secondary light source (10) irradiates in paper surface, the second imaging device (11) can and be messaging in fluorescent fiber analysis module (12) by the paper web imaging of irradiating through secondary light source (10), fluorescent fiber analysis module (12) can be to the second imaging device (11) position distribution of the color fluorescence fiber in image, analysis result is analyzed and exported to quantity and colouring information.
2. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 1, it is characterized in that: on paper injection motor, be connected with the first scrambler (4), the first scrambler can obtain rear paper carrying roll (14) angular velocity measurement result and deliver a letter and resolve and deviation computing module (5) to rip cutting cursor position.
3. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 2, is characterized in that: described the first light source (2) is LED white light source, and the first imaging device (3) is line sweep monochrome image sensor.
4. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 2, is characterized in that: described secondary light source (10) is LED purple light source, and the second imaging device (11) is line sweep color image sensor.
5. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 1, it is characterized in that: described servomotor main control module (6) accessory drive drives slide block mechanism (91) in the upper structure moving along paper transverse reciprocating of frame (9) to be: described drive unit is a servomotor (8), also be provided with driven by servomotor module (7) and a screw mandrel, described servomotor main control module (6) is messaging in driven by servomotor module (7), driven by servomotor module (7) drives servomotor action, servomotor power is exported to can the screw mandrel of rotational positioning in frame (9), described screw mandrel is parallel to paper web plane and it is axially for paper web is horizontal, slide block mechanism (91) is spirally connected with screw mandrel activity.
6. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 5, is characterized in that: in frame (9), be also provided with and the slide rail (15) of screw mandrel axially parallel, described slide block mechanism (91) is sheathed on slide rail (15).
7. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 5, it is characterized in that: on described servomotor, be connected with the second scrambler, this second scrambler can obtain position and the rotary speed information of servomotor and deliver a letter to servomotor main control module (6).
8. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 5, it is characterized in that: frame is installed with a pair of limit position sensor on (9), this can sense the slide block mechanism (91) in paper web transverse ends extreme position to limit position sensor, and is messaging in servomotor main control module (6).
9. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 5, it is characterized in that: described servomotor main control module (6) comprises filter capacitor, rectifier bridge stack and the first thyristor, described the first thyristor that connects the pulse width modulating signal that servomotor main control module (6) sends is electrically connected output variable DC voltage and realizes the control of motor action speed with filter capacitor, in described rectifier bridge stack, be provided with second, the first signal passage of three thyristors compositions and by the 4th, the secondary signal passage of five thyristor compositions, described first, binary signal passage receives respectively the control signal that servomotor main control module (6) sends and realizes the positive and negative motion control of servomotor.
10. reciprocating motion type bank-note paper fluorescent fiber on-line measuring device as claimed in claim 5, it is characterized in that: described servomotor main control module (6) is programmable controller, also be provided with main control module man-machine interface (13), between described rip cutting cursor position parsing and deviation computing module (5) and servomotor main control module (6), be provided with heartbeat signal, this heartbeat signal is messaging in servomotor main control module (6), and described servomotor main control module (6) can send sound and light alarm signal by main control module man-machine interface (13).
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| CN108802051A (en) * | 2018-07-10 | 2018-11-13 | 华南理工大学 | A kind of flexibility IC substrate straight path bubbles and folding line defect detecting system and method |
| CN111707693A (en) * | 2020-08-10 | 2020-09-25 | 江苏三深光谱感知技术研究院有限公司 | Rock core scanner based on X-ray fluorescence and working method thereof |
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Address after: No. 1188 Zhenchuan East Road, Kunshan City, Suzhou City, Jiangsu Province 215300 Patentee after: KUNSHAN BANKNOTE PAPER Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: No. 1188 Zhenchuan East Road, Kunshan City, Suzhou City, Jiangsu Province 215300 Patentee before: KUNSHAN BANKNOTE PAPER Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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