CN101602418B - Control method for labeling device - Google Patents
Control method for labeling device Download PDFInfo
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- CN101602418B CN101602418B CN2009100436768A CN200910043676A CN101602418B CN 101602418 B CN101602418 B CN 101602418B CN 2009100436768 A CN2009100436768 A CN 2009100436768A CN 200910043676 A CN200910043676 A CN 200910043676A CN 101602418 B CN101602418 B CN 101602418B
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Abstract
A control method for a labeling device is disclosed, a system thereof comprises a detection unit, a control unit and an implementation mechanism and is characterized in that the detection unit comprises a photoelectric switch and a label detector which are connected with an input end of a programmable logic controller (PLC for short), the control unit comprises a touch screen, the PLC and a stepper motor driver connected with an output end of the PLC, the touch screen is electrically connected with the PLC via a communication bus, and the implementation mechanism comprises a label strip unreeling mechanism mounted on wallboard, rollers, a baffle plate, a labeling head and a label strip reeling mechanism. The PLC processes a tissue packet signal and a label signal as well as shields error signals generated by label printing locations, thickness of the label strip and shape and color of the surface of the tissue packet, the PLC controls the stepper motor driver to drive a stepper motor for drawing the label strip and controlling the reeling of the label strip, and the implementation mechanism completes the labeling operation. The invention is a control solution which accurately detects and positions the label and has low cost of the system, convenient operation and stable performance.
Description
Technical field:
The present invention relates to technical field of automation, promptly the automatic adhesive label device of tissue parcel is carried out that label and product detect, a kind of electric control method of location.
Background technology:
The label that tissue parcel upper surface commonly used has peelable breach and can make a breach in people's daily life, error is finished automatically by label sticking machine, the control method of tradition label sticking machine is: photoelectric switch detects the tissue parcel, label on the grooved label testing tags detected bar, when photoelectric switch detects the edge of tissue parcel, stepping motor advances with speed by the grooved framework and the tissue parcel of idler wheel mechanism traction tag by the grooved label testing, decals head on the label sticking machine is peeled off label on tag automatically, when the grooved label testing detects label on the tag, step motor stop is finished decals.Tissue parcel surface often has complicated and diversified pattern and color, this makes photoelectric switch be easy to generate error signal when detecting this tissue parcel, the even grooved label testing that also can make of the positional error that produces during label printing and the became uneven of tag produces error signal, the control method of tradition label sticking machine can not be carried out shielding processing to these error signals, make label sticking machine subsides, the phenomenon of labelling occur leaking easily more, and the grooved label testing costs an arm and a leg, inconvenience is cleaned, and influences the efficient of product design and manufacturing line.
Summary of the invention:
The defectives that the problem of labelling and cost height, inconvenience are safeguarded of pasting, leak appear easily more in order to overcome traditional label sticking machine control method, the present invention for tissue parcel label sticking machine provide a kind of stable and reliable for performance and easy maintenance electric control method.
Control system of the present invention is made up of detecting unit, control unit and actuating unit three parts, it is characterized in that: detecting unit comprises photoelectric switch and label testing, they link to each other with the input end of Programmable Logic Controller respectively, control unit comprises touch-screen, Programmable Logic Controller and the stepper motor driver that links to each other with its mouth, touch-screen and Programmable Logic Controller are electrically connected by communication bus, actuating unit mainly comprises tag unreeling structure, roller, baffle plate, decals head and tag rolling-up mechanism, and these mechanisms all are installed on the wallboard.
Photoelectric switch response time＜0.6ms that the present invention adopts, has the short characteristic of response time, can make Programmable Logic Controller respond tissue parcel signal fast, the label testing that adopts is the interval between the tags detected accurately, label testing adopts non-grooved, be convenient to safeguard, label testing has detection material light and shade contrast's characteristic, touch-screen can carry out bus communication with Programmable Logic Controller, Programmable Logic Controller has external interrupt input channel and high-speed pulse delivery channel, can carry out fast worktodo processing and high-speed pulse output, Programmable Logic Controller is handled tissue parcel signal and label signal, and shielding processing label printing position, the thickness of tag, the error signal that tissue parcel surface configuration and color produce, the Controlled by Programmable Controller stepper motor driver, drive stepping motor is rotated, the rolling of stepping motor traction tag operation and control tag, and actuating unit is finished label application process.
Description of drawings:
Fig. 1 actuating unit scheme drawing of the present invention
Fig. 2 control principle figure of the present invention
The pulse scheme drawing that Fig. 3 label testing tags detected produces
Fig. 4 photoelectric switch detects the pulse scheme drawing of the little packet generation of tissue
Among the figure: 1, the tag unreeling structure, 2, roller, 3, the label roll jockey pulley, 4, tag, 5, bar, 6, roller, 7, baffle plate, 8, label testing, 9, roller, 10, photoelectric switch, 11, the decals head, 12, the tissue parcel, 13, roller, 14, roller, 15, roller, 16, the tag rolling-up mechanism, 17, stepping motor, 18, label specification S, 19, touch-screen, 20, Programmable Logic Controller, 21, fast worktodo is handled, 22, the T2 time-delay is finished program, 23, stop the trigging pulse program, 24, T2 time-delay mute label error signal program, 25, the high-speed pulse delivery channel, 26, stepper motor driver, 27, pulse protocol (frequency is f, pulse count n), 28, T1 time-delay shielding parcel error signal program, 29, the T1 time-delay is finished program, 30, fast worktodo is handled, and 31, tag width S1,32, label is S2 at interval, 33, label, 34, the label error signal, 35, the label error signal, 36, label is through t2 period of label testing, 37, tissue parcel width S 3,38, tissue parcel delivery speed V1,39, tissue parcel error signal, 40, the tissue parcel is through the time t1 of photoelectric switch, 41, wallboard.
The specific embodiment:
Below in conjunction with accompanying drawing, be described in detail as follows:
Among Fig. 1 and Fig. 2, stepping motor 17, roller 2, roller 6, roller 9, roller 13, roller 14 and roller 15, bar 5, baffle plate 7, label testing 8, photoelectric switch 10, decals head 11 and tag rolling-up mechanism 16 have been installed in the front of wallboard 41, tag unreeling structure 1 is positioned at the top of wallboard 41, label roll jockey pulley 3 is connected with tag unreeling structure 1, and tissue parcel 12 is carried the below of process decals head 11 from left to right by conveying mechanism.
Detecting unit comprises photoelectric switch 10 and label testing 8, they link to each other with the input end of Programmable Logic Controller 20 respectively, control unit comprises touch-screen 19, Programmable Logic Controller 20 and the stepper motor driver 26 that is attached thereto, and touch-screen 19 and Programmable Logic Controller 20 are electrically connected by communication bus.
In Fig. 3 and Fig. 4, tag 4 is long paper tapes, label 33 being attached on the tag 4 at interval, because the positional error during label printing, S232 is inhomogeneous at interval for label, cause label error signal 34, because the became uneven of tag is even, cause label error signal 35, tissue parcel 12 is in course of conveying, and photoelectric switch 10 detects its edge, because tissue parcel upper surface injustice, the Thinfilm pattern aberration of upper surface influences photoelectric switch 10, causes tissue parcel error signal 39, these error signals must be in control program shielding processing.
Fig. 2, Fig. 3, among Fig. 4, label specification S 18 is summations of tag width S131 and label interval S232, be S=S1+S2, the time T 1 that the T1 time-delay is finished in the program 29 equals the time t140 of tissue parcel through photoelectric switch, be T1=t 1, T2 time-delay is finished time T 2 outlines in the program 22 less than the period t236 of label through label testing, after being convenient to label time-delay releasing like this, label testing can in time detect label at interval, be made as the T2=t2-5 millisecond, in the label sticking machine design, the every fortune of the stepping motor tag operation S4 that circles, corresponding Programmable Logic Controller 20 sends N pulse count, and stepping motor and tissue parcel move with fast, impulse rate f in the pulse protocol 27 is relevant with tissue parcel delivery speed V138, f=(the ÷ S4 of V1 * N), the pulse count of the n in the pulse protocol 27 is the actual pulse number that Programmable Logic Controller 20 sends to stepper motor driver 26, S 18 is relevant with the label specification, the n=[(S+ Δ) * N] ÷ S4; Wherein the pulse count of Δ generation is in order to compensate the pulse dropout that the mechanical drive error causes, the mechanical drive mistake refers to tag 4 and may produce trickle skidding on roller 14, " amount of skidding " that produced during the length of a label specification S 18 of tag 4 operations is defined as Δ, Δ is generally less than 0.001 meter, can set according to actual conditions; Label is relevant with label specification S 18 through t236 period of label testing, t2=S/V1, and the tissue parcel is relevant with tissue parcel width S 337 through the time t139 of photoelectric switch, t1=S3/V1.
When labelling, at first the externally measured tag width S131 that gets is become the data of label specification S 18 with the data reduction of label interval S232, by touch-screen 19, give Programmable Logic Controller 20 data transmission of label specification S 18, adjust the relative position between tag 4 and the label testing 8, the hot spot that label testing 8 is sent just aligns label S232 at interval, tissue parcel 12 is along horizon uniform movement in the direction of arrows, when arriving photoelectric switch 10 belows, its edge triggers the electric signal of photoelectric switch 10 and exports to Programmable Logic Controller 20, carry out fast worktodo and handle 30, handle in 30 at fast worktodo, T1 time-delay shielding parcel error signal program 28 and photoelectric switch 10 are controlled the T1 time-delay simultaneously and are finished program 29, the T1 time-delay is finished program 29 and is triggered T1 time-delay shielding parcel error signal program 28, T2 time-delay mute label error signal program 24 and 27 3 sections programs of pulse protocol, T1 time-delay shielding parcel error signal program 28 shielding processing tissue parcel error signals 39, T2 time-delay mute label error signal program 24 shielding processing label error signals 35, pulse protocol 27 sends n pulse to high-speed pulse delivery channel 25.
When producing label error signal 34, label testing 8 does not detect label S232 at interval, and this moment, stepper motor driver 26 received n pulse, and control step motor 17 drives tag operation S+ Δ, label 33 pastes on the tissue parcel 12 at decals head 11 places, and the decals error precision is a Δ.
When producing tissue parcel error signal 39 or label error signal 35 or not producing error signal, through after the shielding processing, send in n the pulse process at high-speed pulse delivery channel 25, label testing 8 detects label S232 at interval, the electric signal that triggers is exported to Programmable Logic Controller 20, carry out fast worktodo and handle 21, handle in 21 at fast worktodo, T2 time-delay mute label error signal program is handled for 24 this moments, label testing 8 is finished program 22 by the T2 time-delay, control stops trigging pulse program 23, make high-speed pulse delivery channel 25 forbid sending pulse, stepper motor driver 26 control step motors 17 stop operating, tag operation this moment S millimeter, label 33 correctly pastes on the tissue parcel 12 at decals head 11 places, finishes normal decals.
Claims (6)
1. the control method of a label sticking machine, its control system is by detecting unit, control unit and actuating unit three parts are formed, it is characterized in that: detecting unit comprises photoelectric switch and label testing, they link to each other with the input end of Programmable Logic Controller respectively, control unit comprises touch-screen, Programmable Logic Controller and the stepper motor driver that links to each other with its mouth, touch-screen and Programmable Logic Controller are electrically connected by communication bus, actuating unit mainly comprises the tag unreeling structure, roller, baffle plate, decals head and tag rolling-up mechanism, these mechanisms all are installed on the wallboard.
2. the control method of a kind of label sticking machine according to claim 1, it is characterized in that: the photoelectric switch response time＜0.6ms of employing, has the short characteristic of response time, can make Programmable Logic Controller respond tissue parcel signal fast, the label testing that adopts is the interval between the tags detected accurately, label testing adopts non-grooved, be convenient to safeguard, label testing has detection material light and shade contrast's characteristic, touch-screen can carry out bus communication with Programmable Logic Controller, Programmable Logic Controller has external interrupt input channel and high-speed pulse delivery channel, can carry out fast worktodo processing and high-speed pulse output, Programmable Logic Controller is handled tissue parcel signal and label signal, and shielding processing label printing position, the thickness of tag, the error signal that tissue parcel surface configuration and color produce, the Controlled by Programmable Controller stepper motor driver, drive stepping motor is rotated, the rolling of stepping motor traction tag operation and control tag, actuating unit is finished label application process.
3. the control method of a kind of label sticking machine according to claim 2, it is characterized in that: label specification S (18) is the summation of tag width S1 (31) and label interval S2 (32), be S=S1+S2, the time T 1 that the T1 time-delay is finished in the program (29) equals the time t1 (40) of tissue parcel through photoelectric switch, be T1=t1, T2 time-delay is finished time T 2 outlines in the program (22) less than the period t2 (36) of label through label testing, after being convenient to label time-delay releasing like this, label testing can in time detect label at interval, the every fortune of the stepping motor tag operation S4 that circles, corresponding Programmable Logic Controller (20) sends N pulse count, stepping motor and tissue parcel are with the speed operation, impulse rate f in the pulse protocol (27) is relevant with tissue parcel delivery speed V1 (38), f=(the ÷ S4 of V1 * N), n pulse count in the pulse protocol (27), it is the actual pulse number that Programmable Logic Controller (20) sends to stepper motor driver 26, relevant with label specification S (18), the n=[(S+ Δ) * and N] ÷ S4, wherein the pulse count of Δ generation is in order to compensate the pulse dropout that the mechanical drive error causes, the mechanical drive mistake refers to tag (4) and may produce trickle skidding on roller (14), " amount of skidding " that produced during the length of tag (a 4) label specification S of operation (18) is defined as Δ, Δ is generally less than 0.001 meter, can set according to actual conditions; Label is relevant with label specification S (18) through t2 period (36) of label testing, t2=S/V1, and the tissue parcel is relevant with tissue parcel width S 3 (37) through the time t1 (39) of photoelectric switch, t1=S3/V1.
4. the control method of a kind of label sticking machine according to claim 3, it is characterized in that: when labelling, at first the externally measured tag width S1 that gets (31) is become the data of label specification S (18) with the data reduction of label interval S2 (32), give Programmable Logic Controller (20) data transmission of label specification S (18) by touch-screen (19), adjust the relative position between tag (4) and the label testing (8), the hot spot that label testing (8) is sent just aligns label S2 (32) at interval, tissue parcel (12) is along horizon uniform movement in the direction of arrows, when arriving photoelectric switch (10) below, its edge triggers the electric signal of photoelectric switch (10) and exports to Programmable Logic Controller (20), carry out fast worktodo and handle (30), handle in (30) at fast worktodo, T1 time-delay shielding parcel error signal program (28) and photoelectric switch (10) are controlled the T1 time-delay simultaneously and are finished program (29), the T1 time-delay is finished program (29) and is triggered T1 time-delay shielding parcel error signal program (28), T2 time-delay mute label error signal program (24) and (27) three sections programs of pulse protocol, T1 time-delay shielding parcel error signal program (28) shielding processing tissue parcel error signal (39), T2 mute label error signal program (24) the shielding processing label error signal (35) of delaying time, pulse protocol (27) sends n pulse to high-speed pulse delivery channel (25).
5. the control method of a kind of label sticking machine according to claim 3, it is characterized in that: when producing label error signal (34), label testing (8) does not detect label S2 (32) at interval, stepper motor driver this moment (26) receives n pulse, control step motor (17) drives tag operation S+ Δ, label (33) is located to paste on the tissue parcel (12) at decals head (11), and the error precision of labelling is a Δ.
6. the control method of a kind of label sticking machine according to claim 3, it is characterized in that: when producing tissue parcel error signal (39) or label error signal (35) or not producing error signal, through after the shielding processing, send in n the pulse process at high-speed pulse delivery channel (25), label testing (8) detects label S2 (32) at interval, the electric signal that triggers is exported to Programmable Logic Controller (20), carry out fast worktodo and handle (21), handle in (21) at fast worktodo, T2 time-delay mute label error signal program (24) is handled this moment, label testing (8) is finished program (22) by the T2 time-delay, control stops trigging pulse program (23), make high-speed pulse delivery channel (25) forbid sending pulse, stepper motor driver (26) control step motor (17) stops operating, tag operation this moment S millimeter, label (33) is located correctly to paste on the tissue parcel (12) at decals head (11), finishes normal decals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100436768A CN101602418B (en) | 2009-06-10 | 2009-06-10 | Control method for labeling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100436768A CN101602418B (en) | 2009-06-10 | 2009-06-10 | Control method for labeling device |
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| CN101602418A CN101602418A (en) | 2009-12-16 |
| CN101602418B true CN101602418B (en) | 2010-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103979148A (en) * | 2014-05-02 | 2014-08-13 | 常德烟草机械有限责任公司 | Control system and control method for on-line film cutting position adjustment |
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| CN102069056A (en) * | 2010-12-25 | 2011-05-25 | 大连橡胶塑料机械股份有限公司 | Precision glue spreading control system for glue spreader |
| CN102633027A (en) * | 2012-05-09 | 2012-08-15 | 大亚人造板集团有限公司强化地板分公司 | Novel labeling machine |
| CN108045686B (en) * | 2012-11-07 | 2020-06-30 | 录象射流技术公司 | Labeling machine and operation method thereof |
| US20150316920A1 (en) * | 2012-12-25 | 2015-11-05 | Mitsubishi Electric Corporation | Positioning apparatus and positioning method |
| CN103587766B (en) * | 2013-11-15 | 2015-04-29 | 青岛元启工业智能技术有限公司 | Automatic ammeter certificate pasting device |
| CN105292656A (en) * | 2014-07-24 | 2016-02-03 | 上海日立电器有限公司 | Automatic labeling equipment |
| CN104354947B (en) * | 2014-10-24 | 2016-09-28 | 安徽双鹤药业有限责任公司 | Row of labels can be walked the correcting method of the high-speed labeling machine corrected |
| CN104700064B (en) * | 2015-04-02 | 2017-11-07 | 宁波聚思信息科技有限公司 | One kind packaging bar code error correction integration apparatus |
| CN106184956B (en) * | 2016-08-19 | 2019-08-06 | 广东省智能制造研究所 | A kind of high-precision straight line labelling machine |
| CN106829107A (en) * | 2016-08-25 | 2017-06-13 | 德清秋水果汁有限公司 | Labeling system |
| CN111017357B (en) * | 2019-12-23 | 2021-09-10 | Oppo（重庆）智能科技有限公司 | Label pasting control method and device and computer readable storage medium |
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| US6672356B1 (en) * | 2000-10-17 | 2004-01-06 | Kolinahr Systems, Inc. | Pallet labeler system |
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| CN103979148A (en) * | 2014-05-02 | 2014-08-13 | 常德烟草机械有限责任公司 | Control system and control method for on-line film cutting position adjustment |
| CN103979148B (en) * | 2014-05-02 | 2015-10-07 | 常德烟草机械有限责任公司 | A kind of control system of adjusting at line position for film dividing and method |
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| CN101602418A (en) | 2009-12-16 |
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