CN103879026B - Corrugated board wire line cross cutting facial tissue pattern registration adjustment System and method of adjustment - Google Patents

Corrugated board wire line cross cutting facial tissue pattern registration adjustment System and method of adjustment Download PDF

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Publication number
CN103879026B
CN103879026B CN201310300650.3A CN201310300650A CN103879026B CN 103879026 B CN103879026 B CN 103879026B CN 201310300650 A CN201310300650 A CN 201310300650A CN 103879026 B CN103879026 B CN 103879026B
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cutting
color code
print color
die
adjustment
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CN103879026A (en
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朱文彬
陈效隽
王东兴
慈晓雷
盛永忠
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SHANDONG CENTURY SUNSHINE PAPER GROUP CO Ltd
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SHANDONG CENTURY SUNSHINE PAPER GROUP CO Ltd
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Abstract

The present invention relates to corrugated board wire line cross cutting facial tissue pattern registration adjustment System and method of adjustment, described system comprises die-cutting machine frame component, cross cutting control unit, Print color code tracker and revolving knife assembly; Described die-cutting machine frame component, comprises the cross cutting driver element be arranged in cross cutting frame, die cutting roller, rubber cushion roller and clutch pressure unit thereof; The adjustment signal of described cross cutting driver element response cross cutting control unit, drive die cutting roller etc., described cross cutting control unit, it carries out corresponding control to revolving knife; Described Print color code tracker, for following the tracks of Print color code; Described revolving knife assembly is used for the actuating signal according to described cross cutting control unit, drives revolving knife action corrugated board full width to be cut off.Pattern registration adjustment System of the present invention guarantees that the cross cutting alignment adjustment of imperfect pattern settles at one go, has important meaning to aspects such as raising corrugation industry technology level, production efficiency, energy-saving and environmental protection, consumption reductions.

Description

Corrugated board wire line cross cutting facial tissue pattern registration adjustment System and method of adjustment
Technical field
The invention belongs to the technical field of corrugated board, particularly relate to a kind of corrugated board wire line cross cutting facial tissue pattern registration adjustment System, the invention still further relates to a kind of method of adjustment of corrugated board wire line cross cutting facial tissue pattern registration adjustment System.
Background technology
Corrugated board makes corrugated case through cross cutting, impression, nail case or stick box; in off-line type corrugated box die-cutting technique; from corrugated board to last finished product carton sheet; needing to be divided into two stages produces; namely the corrugated board of monolithic is first completed; through turnover, deliver to single mode machine or platen (circle pressure circle) die-cutting machine and carry out cross cutting, form finished product carton sheet.Off-line type corrugated box die-cutting technique has the following disadvantages: the consumption of low, all kinds of body paper of production efficiency and the energy consumption of corrugated board wire large.Along with the development of equipment automatization level, and the raising that corrugated board industry requires product cost, quality and the aspect such as production efficiency, environmental protection, corrugated board line replaces off-line type corrugated box die-cutting technique at last with mark die-cutting process.
In off-line type corrugated box die-cutting technique, the colour code lengthwise position signal that the full width revolving knife of corrugated board wire can provide according to Print color code tracker, between two patterns, corrugated board is cut off, or corrugated board line control system is according to unreeling splicing signal and the distance joint line rate signal between sheet laying table and full width revolving knife directly controls the action of full width revolving knife, then reject by manually carrying out inspection.Therefore, need not consider that cross cutting adjusts.
And in corrugated board line production process, splice after removing due to printing trouble, spoilage or preprint the factors such as facial tissue change of lap, preprinting in facial tissue and can often there will be imperfect pattern.Speed of related movement between die cutting roller and corrugated board is limited; instant linear velocity and the corrugated board linear velocity of General Requirements die cutting roller are consistent; if there is imperfect pattern and complete pattern length difference larger; then be in the regulation time that operating die cutting roller needs to grow very much; a large amount of cross cutting alignment waste products can be produced in the adjusting stage; there is huge waste, and shutdown solution only can produce larger waste.Therefore, the problems referred to above in the urgent need to address.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of corrugated board wire line cross cutting facial tissue pattern registration adjustment System and control method are provided, when occurring that printed patterns is imperfect on preprinting facial tissue and being longitudinal, by the adjustment of corrugated board wire line cross cutting alignment, reduce cross cutting waste product.
Corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention, comprises die-cutting machine frame component, cross cutting control unit, Print color code tracker and revolving knife assembly; Wherein:
Described die-cutting machine frame component, comprises the cross cutting driver element be arranged in cross cutting frame, die cutting roller, rubber cushion roller and clutch pressure unit thereof; Described cross cutting driver element for driving die cutting roller and rubber cushion roller supporting with it, the adjustment signal of summary responses cross cutting control unit;
Described cross cutting control unit, it exports corresponding control signal, carries out corresponding control to revolving knife assembly;
Described Print color code tracker, for following the tracks of Print color code, is the signal that described cross cutting control unit provides Print color code to arrive;
Described revolving knife assembly, it comprises revolving knife and revolving knife driver element, after described revolving knife driver element receives the actuating signal of described cross cutting control unit, drives revolving knife action corrugated board full width to be cut off.
The present invention also proposes a kind of method of adjustment of corrugated board wire line cross cutting facial tissue pattern registration adjustment System, and described method of adjustment comprises the following steps:
Step one, determines the normal length of die cutting product in normal course of operation, provides mould-cutting precision according to cross cutting control unit, the deviation range of the normal length of Print color code before and after generating;
Step 2, compares the normal length of the instant length between the Print color code of front and back and front and back Print color code;
Step 3, judges whether the difference of the normal length of instant length between the Print color code of front and back and front and back Print color code is within the scope of normal deviate, if be within normal deviate scope, then maintains current operating conditions; If depart from normal deviate scope, then carry out step 4;
Step 4, cross cutting control unit outputs signal to revolving knife driver element, and corrugated board full width is cut off by revolving knife drive unit drives revolving knife.
Corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention guarantees that the cross cutting alignment adjustment of imperfect pattern settles at one go, to the popularization of corrugated board wire line die-cutting process, there is very large impetus, in raising corrugation industry technology level, production efficiency, energy-saving and environmental protection, consumption reduction etc., have important meaning.
Accompanying drawing explanation
Fig. 1 is the principle schematic of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention;
Fig. 2 is the front view of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention;
Fig. 3 is a top view of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention;
Fig. 4 is another top view of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention;
Fig. 5 is the flow chart of the control method of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention.
Reference marker in accompanying drawing is as follows:
10. die-cutting machine frame component;
101. die cutting roller; 102. cross cutting driver elements; 103. rubber cushion roller; 104. motor;
20. cross cutting control units;
30. Print color code trackers; 301. Print color code;
50. revolving knife assemblies; 501. revolving knife; 502. revolving knife driver elements;
Detailed description of the invention
Fig. 1 provides the principle schematic of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention; As shown in Figure 1, corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention, comprises die-cutting machine frame component 10, cross cutting control unit 20, Print color code tracker 30 and revolving knife assembly 50.
Fig. 1 reflects the general principle of pattern adjustment System of the present invention: cross cutting control unit is according to the detection signal of Print color code tracker to Print color code, determine imperfect pattern and send actuating signal to revolving knife, being cut off in imperfect pattern middle part by revolving knife; Cross cutting control unit controls the linear velocity improving die cutting roller immediately after receiving revolving knife action settling signal, is completed by the corrugated board cross cutting before revolving knife with the relatively short time; Cross cutting control unit according to the linear velocity of the detection signal adjustment die cutting roller of Print color code tracker, can guarantee that the cross cutting of follow-up corrugated board is accurate thereupon.
Fig. 2 is the front view of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention; See Fig. 2, die-cutting machine frame component 10, it comprises the cross cutting driver element 102 be arranged in cross cutting frame, die cutting roller 101, rubber cushion roller 103 and clutch pressure unit thereof.For improving response speed and control accuracy, cross cutting driver element 102 adopts the servo drive unit of configuration servomotor.Cross cutting driver element 102, for driving die cutting roller 101 and supporting rubber cushion roller 103, the adjustment signal of summary responses cross cutting control unit 20, completes cross cutting longitudinal alignment adjustment action.
Print color code tracker 30, for following the tracks of Print color code, specifically select suitable types by market purchasing, in figure 301 is Print color code, and Print color code tracker provides Print color code 301 to arrive the signal of colour code tracker 30, on corrugated board wire for cross cutting control unit 20, Print color code tracker 30 is upper fixed installation longitudinally, it is changeless for detecting longitudinal air line distance between position and die cut lines, and wherein, die cut lines refers to the contact wire of die cutting roller 101 and rubber cushion roller 103; In printed patterns in die cutting roller cross cutting peripheral extent, only have a Print color code 301 for tracing detection, Print color code 301 can be the mark of printing separately, also can be a part for product printed patterns.
Cross cutting control unit 20 is according to the anglec of rotation of time difference inner die cut roller 101 receiving front and back Print color code 301 detection signal, and in conjunction with the girth of die cutting roller, calculate the instant length between front and back Print color code 301, by this instant length compared with the normal length scope of front and back Print color code, according to this comparative result, control in real time.
Revolving knife assembly 50 comprises: revolving knife 501 and revolving knife driver element 502, after revolving knife driver element 502 receives the actuating signal of cross cutting control unit 20, revolving knife 501 is driven corrugated board full width to be cut off, and by revolving knife driver element 502 to cross cutting control unit 20 feedback action settling signal.
Specifically, cross cutting control unit 20 comprises: comparator and controller, instant length before and after comparator receives between Print color code 301, the anglec of rotation of die cutting roller 101, by the instant length between front and back Print color code 301 compared with the normal length scope of front and back Print color code; Controller is for judging whether the difference of the normal length of instant length and front and back Print color code is in normally, if in normal range (NR), then maintains current operating conditions; If exceed normal deviate scope, then export and control signal to revolving knife driver element 502 accordingly, revolving knife driver element 502 drives revolving knife 501, corrugated board full width is cut off, and to cross cutting control unit 20 immediate feedback action settling signal.After receiving the feedback signal that revolving knife driver element 502 action completes, cross cutting control unit 20 exports control signal to cross cutting driver element 102 immediately, adjusts accordingly it, the basis producing a small amount of waste product reaches and does not shut down quantity-produced object.Here, it is to be understood that corrugated board is cut in half at the imperfect place of pattern by so-called full width cut-out exactly.
Below, with reference to accompanying drawing 3 and 4, the operation principle of cross cutting control unit 20 is further illustrated.
Fig. 3 is a top view of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention; As shown in Figure 3, if the difference of the normal length of the instant length of front and back Print color code and Print color code is within normal range (NR), then corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention is normally run, and revolving knife 501 is without action.
Fig. 4 is another top view of corrugated board wire line cross cutting facial tissue pattern registration adjustment System of the present invention; As shown in Figure 4, if the difference of the normal length of the instant length of front and back Print color code 301 and Print color code exceeds normal deviate scope, mean and occurred imperfect pattern, and the length difference of itself and complete pattern has exceeded effective adjusting range of line cross cutting, iff adopting the relative motion of limited low speed between die cutting roller 101 and corrugated board to proceed to adjust, its cost will be produce a large amount of cross cutting waste products.
When before and after cross cutting control unit 20 judges, the difference of the instant length of Print color code and the normal length of Print color code exceeds normal deviate scope, on the one hand, cross cutting control unit 20 exports control signal to revolving knife driver element 502, revolving knife 501 is driven by the latter, corrugated board is cut off in pattern imperfect place full width, and immediately feed back to cross cutting control unit 20, report crosscutting action settling signal.On the other hand, according to the distance of the difference of the instant length of front and back colour code and Print color code normal length scope bound, Print color code detector 30 and the longitudinal straight line of die cut lines, and the normal length before and after combining between Print color code, the lifting speed curve of die cutting roller 101 is calculated by cross cutting control unit 20.Wherein, Print color code detector 30 is preset parameter with the distance of the longitudinal straight line of die cut lines.For simplifying the difficulty controlled, the lifting speed acceleration of lifting speed curve is also set to a steady state value.
Below, the control strategy of cross cutting control unit 20 is illustrated.
The normal length of setting die cutting product is 600mm, the cross cutting girth 600mm of die cutting roller 101, and the linear velocity of corrugated board wire is 120m/min, servomotor 3000 pulse/week; The normal length scope of front and back Print color code is 595-605mm, and Print color code instant length in front and back is 320mm, and Print color code tracker and die cut lines air line distance are 5400mm.
Because Print color code instant length in front and back is 320mm, the normal length scope of front and back Print color code is 595-605mm, therefore, the difference of the front and back instant length of Print color code and the normal length (600mm) of Print color code is 280mm, and this deviation is not in normal scope (± 5mm).Corrugated board can cut off in pattern imperfect place full width by revolving knife 501, and the length that die cutting roller 101 rotates adjustment in 9 weeks is 600-320=280mm.Wherein, because Print color code tracker and die cut lines air line distance are 5400mm, and the cross cutting girth 600mm of die cutting roller 101, thus die cutting roller 101 rotate needed for 9 weeks time=5400mm*60s/ (120*1000mm)=2.7s.
Under normal circumstances, die cutting roller 101 rotates a circle and takes 0.3s, and cross cutting control unit 20 can export 3000 pulses at 0.3s; After receiving the action settling signal of revolving knife, the umber of pulse that the cross cutting control unit 20 of each time period in units of 0.3s exports is as shown in table 1.
Table 1
Because the acceleration of lifting speed is set as steady state value, therefore, in table 1, the lifting speed curve of 9 time periods can produce 25 adjustment amounts (i.e. 1+2+3+4+5+4+3+2+1=25); In 9 time periods in units of 0.3s, total adjustment umber of pulse is: the pulse of 280mm/600mm*3000 pulse=1400, each adjustment amount is: 1400 pulses/25=56 pulse.Through the adjustment of 9 time periods, the phase place of die cutting roller is corresponding with the Print color code on corrugated board, instant linear velocity is also consistent with corrugated board linear velocity (such as 120m/min), thus, guarantee the long direction die cutting precision of follow-up corrugated board.
After cross cutting control unit 20 receives the crosscutting action settling signal of revolving knife 501 feedback, control cross cutting driver element 102 according to lifting speed curve, the linear velocity of instant adjustment die cutting roller.Before this according to the linear velocity of climb curve microlitre die cutting roller, by complete for the corrugated board cross cutting between revolving knife and die cut lines, then, cross cutting control unit 20 is according to reduction of speed curve, reduce the instant linear velocity of linear velocity to corrugated board wire of die cutting roller gradually, as 120m/min, the die cutting roller phase place after adjustment is corresponding with the position of the Print color code 301 on follow-up corrugated board, thus complete longitudinal adjustment process of corrugated board, only there will be few waste product.
In actual production, if deviation appears in the lateral attitude of corrugated board, the precision of horizontal cross cutting will be affected.On the basis of technique scheme, described pattern registration adjustment System can also arrange correction assembly, by three kinds of modes such as adjustment corrugated board, die cutting roller or cross cutting frame lateral attitudes, transverse direction correction is immediately carried out to corrugated board, guarantee cross cutting horizontal register precision.
As shown in Figure 5, the present invention also proposes a kind of control method of corrugated board wire line cross cutting facial tissue pattern registration adjustment System, and described control method comprises the following steps:
Step one, determines the normal length of die cutting product in normal course of operation, provides mould-cutting precision according to cross cutting control unit, the deviation range of the normal length of Print color code before and after generating;
Step 2, compares the normal length of the instant length between the Print color code of front and back and front and back Print color code;
Step 3, judges whether the difference of the normal length of instant length between the Print color code of front and back and front and back Print color code is within the scope of normal deviate, if be within normal deviate scope, then maintains current operating conditions; If depart from normal deviate scope, then carry out step 4;
Step 4, cross cutting control unit outputs signal to revolving knife driver element, corrugated board full width is cut off by revolving knife drive unit drives revolving knife, cross cutting control unit adjusts accordingly according to the linear velocity of the parameters such as phase place to die cutting roller of the instant length between the distance of Print color code tracker and die cut lines, front and back Print color code, corrugated board wire linear velocity, die cutting roller, and the die cutting roller phase place after adjustment is corresponding with the position of the Print color code on follow-up corrugated board.
If there is deviation in the lateral attitude of corrugated board, also comprise the correction lateral attitude of assembly to corrugated board to rectify a deviation, correction can be by three kinds of modes such as adjustment corrugated board, die cutting roller or cross cutting frame lateral attitudes, transverse direction correction is immediately carried out to corrugated board, thus eliminates the impact on horizontal mould-cutting precision.
In sum, when occurring preprinting facial tissue longitudinally upper printed patterns being imperfect, the present invention does not need to shut down and solves; but by the adjustment of corrugated board wire line cross cutting alignment; reduce cross cutting waste product, enhance productivity, have unusual meaning to the Implement of sustainable development and reduction environmental pollution.
It should be noted that, above embodiment is only in order to illustrate the present invention and unrestricted, although with reference to preferred embodiment, the present invention will be described in detail, those of ordinary skill in the art is to be understood that, the amendment carried out the present invention under the premise without departing from the spirit and scope of the present invention or equivalently to replace, all should be encompassed in the middle of right of the present invention.

Claims (10)

1. a corrugated board wire line cross cutting facial tissue pattern registration adjustment System, comprises die-cutting machine frame component, cross cutting control unit, Print color code tracker and revolving knife assembly; Wherein:
Described die-cutting machine frame component, comprises the cross cutting driver element be arranged in cross cutting frame, die cutting roller, rubber cushion roller and clutch pressure unit thereof; Cross cutting driver element for driving die cutting roller and rubber cushion roller supporting with it, the adjustment signal of summary responses cross cutting control unit;
Described cross cutting control unit, it exports corresponding control signal, carries out corresponding control to revolving knife;
Described Print color code tracker, for following the tracks of Print color code, is the signal that cross cutting control unit provides Print color code to arrive;
Described revolving knife assembly, for the actuating signal according to described cross cutting control unit, drives revolving knife action corrugated board full width to be cut off.
2. pattern registration adjustment System as claimed in claim 1, is characterized in that: described cross cutting control unit comprises comparator and controller, described comparator by the instant length between the Print color code of front and back compared with the normal length scope of front and back Print color code; Described controller exports and controls signal to described revolving knife assembly accordingly.
3. pattern registration adjustment System as claimed in claim 2, it is characterized in that: described comparator by the instant length between the Print color code of front and back compared with the normal length scope of front and back Print color code, to comprise before and after receiving instant length, the die cutting roller anglec of rotation between Print color code further, compare the normal length scope of instant length between the Print color code of front and back and front and back Print color code.
4. pattern registration adjustment System as claimed in claim 2, it is characterized in that: whether described controller exports the difference that corresponding control signal comprises the normal length judging instant length and front and back Print color code and be in normally, if in normal range (NR), then maintain current operating conditions; Otherwise, output is controlled signal to accordingly described revolving knife assembly.
5. pattern registration adjustment System as claimed in claim 1 or 2, it is characterized in that: described revolving knife assembly comprises: revolving knife and revolving knife driver element, described revolving knife driver element receives the actuating signal of described cross cutting control unit, drive described revolving knife to do corresponding crosscutting action, described revolving knife driver element is also to described cross cutting control unit feedback settling signal.
6. pattern registration adjustment System as claimed in claim 5, it is characterized in that: described cross cutting control unit receives the crosscutting action settling signal of feedback, control described cross cutting driver element according to lifting speed curve, the linear velocity of instant adjustment die cutting roller, namely first according to the linear velocity of climb curve microlitre die cutting roller, by complete for the corrugated board cross cutting between revolving knife and die cut lines, then, described cross cutting control unit is according to reduction of speed curve, reduce the instant linear velocity of linear velocity to corrugated board wire of die cutting roller gradually, make die cutting roller phase place corresponding with facial tissue pattern.
7. pattern registration adjustment System as claimed in claim 1, it is characterized in that: described pattern registration adjustment System also arranges correction assembly, by three kinds of modes such as adjustment corrugated board, die cutting roller or cross cutting frame lateral attitudes, transverse direction correction is immediately carried out to corrugated board.
8. a corrugated board wire line cross cutting facial tissue pattern registration method of adjustment, is characterized in that, comprise the following steps:
Step one, determines the normal length of die cutting product in normal course of operation, provides mould-cutting precision according to cross cutting control unit, the deviation range of the normal length of Print color code before and after generating;
Step 2, compares the normal length of the instant length between the Print color code of front and back and front and back Print color code;
Step 3, judges whether the difference of the normal length of instant length between the Print color code of front and back and front and back Print color code is within the scope of normal deviate, if be within normal deviate scope, then maintains current operating conditions; If depart from normal deviate scope, then carry out step 4;
Step 4, cross cutting control unit outputs signal to revolving knife driver element, and corrugated board full width is cut off by revolving knife drive unit drives revolving knife.
9. pattern registration method of adjustment as claimed in claim 8, is characterized in that:
According to parameters such as the phase places of the instant length between the distance of Print color code tracker and die cut lines, front and back Print color code, corrugated board wire linear velocity, die cutting roller, the linear velocity of described cross cutting control unit to die cutting roller adjusts accordingly, and the die cutting roller phase place after adjustment is corresponding with the position of the Print color code on follow-up corrugated board.
10. pattern registration method of adjustment as claimed in claim 9, it is characterized in that: the linear velocity of described cross cutting control unit to die cutting roller adjusts accordingly, comprise: according to the linear velocity of climb curve microlitre die cutting roller, by complete for the corrugated board cross cutting between revolving knife and die cut lines, then, again according to reduction of speed curve, reduce the instant linear velocity of linear velocity to corrugated board wire of die cutting roller gradually, make die cutting roller phase place corresponding with facial tissue pattern.
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CN106073602B (en) * 2016-07-29 2019-05-03 华新(佛山)彩色印刷有限公司 A kind of process units of the continuous paper window membrane carton of face-cloth paper extraction
US10642551B2 (en) 2017-07-14 2020-05-05 Georgia-Pacific Corrugated Llc Engine for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
CN110303764B (en) * 2019-07-05 2021-01-26 浙江海印数码科技有限公司 Overprinting method and system
CN110509669A (en) * 2019-08-29 2019-11-29 常德金鹏印务有限公司 A kind of auto-alignment system
CN110877363B (en) * 2019-12-02 2020-09-01 北京中鼎高科自动化技术有限公司 Method for improving synchronous sleeve cutting precision of rotary die cutting machine
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Inventor after: Zhu Wenbin

Inventor after: Chen Xiaojuan

Inventor after: Wang Dongxing

Inventor after: Ci Xiaolei

Inventor after: Sheng Yongzhong

Inventor before: Zhu Wenbin

Inventor before: Chen Xiaojuan

Inventor before: Wang Dongxing

Inventor before: Ci Xiaolei

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