CN102729607A - Intermittent corona treatment method - Google Patents
Intermittent corona treatment method Download PDFInfo
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- CN102729607A CN102729607A CN2012101824334A CN201210182433A CN102729607A CN 102729607 A CN102729607 A CN 102729607A CN 2012101824334 A CN2012101824334 A CN 2012101824334A CN 201210182433 A CN201210182433 A CN 201210182433A CN 102729607 A CN102729607 A CN 102729607A
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- corona
- corona treatment
- packaging bag
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- photoelectric sensor
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Abstract
The invention provides an intermittent corona treatment method. According to the method, a feed roller and a printing roller are arranged behind a corona device, and a packaging bag film which is subjected to corona treatment is subjected to surface printing at the printing roller; an intermittent operating system is arranged on the corona device and comprises an intermittent signal generator, a controller and a corona operating switch of which the signal transfer ends are connected sequentially; when areas where the corona treatment is required on the packaging bag film pass through the response end of the corona device, the intermittent signal generator turns on the corona operating switch by the controller to perform the corona treatment on the areas; and when areas where the corona treatment is not required on the packaging bag film pass through the response end of the corona device, the intermittent signal generator turns off the corona operating switch by the controller, the corona device stops operating. By the intermittent corona treatment method, the requirement of layouts which are needed to be printed on lateral surfaces can be met, and the adverse impact of the corona treatment on an effect of heat seal strength can also be avoided, so the intermittent corona treatment method can be widely applicable to a package printing process of industry of chemicals, foods and the like, and has high popularization value.
Description
Technical field
The present invention relates to the surface printing field, specifically is a kind of processing method of carrying out the batch (-type) corona on plastic packaging bag film surface.
Background technology
At present, the positive and negative of packaged by plastic film bag generally is printed with literal and pattern, and its two ends are the heat-sealing zone.For making the surface of stock have higher tack, make the printing effect of packaging bag better, generally the printing in packaging bag carries out corona treatment.But through the packaging bag film after the corona treatment, its heat seal strength will descend significantly.Therefore, can not carry out by whole face for the corona treatment of packaging bag film, must consider the horizontal X of film or vertically Y, carry out step corona treatment.
Flanging bag as shown in Figure 1, because of the specific requirement of layout, its front printing zone b and flanging printing zone c are the corona treatment zone, it is non-corona treatment zone that transversal heat seal zone a and flanging seal regional d.Packaging bag before heat-sealing, add and be the packaging bag film that horizontal X launches man-hour; Because the packaging bag film is to adopt the feeding of vertical Y direction in corona unit; At this moment; The horizontal X of film is carried out step corona treatment ratio be easier to realize, be about on the horizontal X of the corresponding film of corona head screening arrangement is set, make correspondence position not carry out corona treatment and get final product; But, vertical Y of film is carried out very difficulty of step corona treatment, and this just in time relates to M type flanging bag principal mass index, the key of heat sealability quality.
Summary of the invention
The objective of the invention is to: provide a kind of can be to the step corona treatment method of the enterprising row of packaging bag film feed direction.
The technical scheme that the present invention adopted is:
A kind of batch (-type) corona treatment method, vertically through the reactive end of corona unit, the corona unit rear is provided with feeding roller and print roller to the packaging bag film, constitutes the streamline of packaging bag film printing, and the packaging bag film of process corona treatment carries out surface printing at the print roller place; Said corona unit is provided with the service intermittent system, comprises intermittent signal generator, controller and corona operating switch that signal transmission end connects successively, and its job step is following:
When the reactive end of the zone passage corona unit that needs corona treatment on the packaging bag film, intermittent signal generator is through controller opens corona operating switch, the reactive end work of corona unit, corona treatment carried out in this zone;
When the reactive end of the zone passage corona unit that does not need corona treatment on the packaging bag film, intermittent signal generator is closed the corona operating switch through controller, and the reactive end of corona unit quits work.
Said intermittent signal generator comprises signal period disk and photoelectric sensor; The signal period disk be arranged on print roller the side, with the coaxial rotation of print roller; The corresponding side face that does not need the position of corona treatment to be projected on the signal period disk on the print roller is provided with breach; The corresponding breach of photoelectric sensor belongs to circumferential position, is fixed on the outside of signal period disk, the signal input part of the input respective signal cycle disk direction of photoelectric sensor, the corresponding controller of output.
Behind the signal that said controller reception photoelectric sensor sends, send shutdown signal to the corona operating switch.
The corresponding individual packaging bag of the length in said one week of print roller is length longitudinally.
The size dimension of said signal period disk and breach thereof is according to the specification setting of packaging bag.
The concrete steps of said method are:
(1) corresponding the packaging bag that will print is provided with print roller, signal period disk and photoelectric sensor, vertically is arranged on the packaging bag film on the streamline;
(2) slow start haul roller, make streamline operation, regulate the position of signal period disk, make the position that does not need corona treatment on the corresponding print roller of its breach;
(3) open all devices in the streamline, put into production, concrete:
When the input of photoelectric sensor when disk shelters from by the signal period, photoelectric sensor are not worked, controller is not worked, the corona operating switch is opened, corona unit carries out corona treatment to packaging bag film surface;
When the breach, photoelectric sensor that advances into the signal period disk when the input of photoelectric sensor receives light; After controller receives the signal that photoelectric sensor sends, send the execution signal to the corona operating switch; The corona operating switch cuts out, and corona unit stops corona treatment being carried out on packaging bag film surface.
The beneficial effect that the present invention produced is:
M type heavy duty film package bag; Because the necessity of its layout content; Receiving the corona negative effect with sack heat-sealing effect is prior art unsolved one big technical barrier, and the present invention has successfully solved this industry common problem, can in packages printings such as chemical industry, food, extensively promote.Vertical batch (-type) corona treatment method of the present invention guarantees that packaging bag reaches printing, bag, heat-sealing requirement, and production has higher promotional value for the same industry.
Below in conjunction with sketch map the present invention is done further explanation.
Description of drawings
Fig. 1 is the structural representation of flanging bag according to the invention;
Fig. 2 is the control flow sketch map of the packaging bag film trend of the inventive method;
Fig. 3 is the intermittently structural representation of corona unit of the present invention.
Label is represented among the figure: X-is horizontal, Y-is vertical, a-transversal heat seal zone (non-corona treatment zone), b-front printing zone (corona treatment zone), c-flanging printing zone (corona treatment zone), d-flanging heat-sealing zone (non-corona treatment zone), 1-corona unit, 2-feeding roller, 3-intermittently corona signal generator, 4-print roller, 5-controller, 6-breach, 7-photoelectric sensor, 8-turning cylinder, 9-signal period disk.
The specific embodiment
As shown in Figure 2, the present invention is a kind of batch (-type) corona treatment method, and what dotted line was represented among the figure is the trend of packaging bag film on streamline, and what solid line was represented is the direction that signal transmits.The packaging bag film is by the reactive end of vertical Y through corona unit 1, and corona unit 1 rear is provided with feeding roller 2 and print roller 4, and the packaging bag film of process corona treatment carries out surface printing at print roller 4 places, constitutes the streamline of packaging bag film printing.
Corona unit 1 is provided with the service intermittent system, comprises intermittent signal generator 3, controller 5 and corona operating switch that signal transmission end connects successively, and its job step is following:
When the zone that needs corona treatment on the packaging bag film (like front printing zone b, flanging printing zone c) passes through the reactive end of corona unit 1; Intermittent signal generator 3 is opened the corona operating switch through controller 5, make corona unit 1 reactive end work, corona treatment is carried out in this zone.
When the zone that does not need corona treatment on the packaging bag film (sealing regional d) reactive end through corona unit 1 like transversal heat seal zone a, flanging; Intermittent signal generator 3 is closed the corona operating switch through controller 5, makes the reactive end of corona unit 1 quit work.
This corona unit 1 is one can satisfy long-time batch (-type) discharging function and non-damageable again corona treatment.
As shown in Figure 2, intermittent signal generator 3 comprises signal period disk 9 and photoelectric sensor 7, signal period disk 9 be arranged on print roller 4 the side, be connected by same rotating shaft 8 with print roller 4, both rotate synchronously.The length in one week of print roller 4 can a corresponding integer vertical Y of packaging bag the length setting, in this specific embodiment, the length of the vertical Y of corresponding individual packaging bag.Owing in actual production, print multiple design and color, its print roller 4 is generally a plurality of, at this moment signalization cycle disk 9 on the first look version roll shaft of printing.Do not need the position of corona treatment, the corresponding side face that is projected on the signal period disk 9 to be provided with breach 6 on the print roller 4; Photoelectric sensor 7 is that a signal receives shaven head; The circumferential position that corresponding breach 6 belongs to, the outside that is fixed on signal period disk 9, the signal input part of input respective signal cycle disk 9 directions of photoelectric sensor 7, the corresponding controller 5 of output.The size of signal period disk 9 and breach 6 thereof, size are according to the specification setting of packaging bag, and promptly breach 6 correspondences do not need the zone of corona treatment.Work, send signal to controller 5 when photoelectric sensor 7 front ends correspond to breach 6, behind the signal that controller 5 reception photoelectric sensors 7 send, send shutdown signal to the corona operating switch.
In this specific embodiment, the concrete steps of method are:
(1) corresponding the packaging bag that will print is provided with feeding roller 2, print roller 4, signal period disk 9 and photoelectric sensor 7, and vertical Y is arranged on the streamline with the packaging bag film; Specification, printing surface size, the regional size of heat-sealing according to packaging bag to be produced; Make signal period disk 9; Signal period disk 9 is installed in before first look seal roller; Signal period disk 9 and print roller 4 are arranged on the same rotating shaft 8, both rotate synchronously, and should rotation with printing synchronously.
(2) slow start haul roller 2, make streamline operation, regulate the position of signal period disk 9, make the position that does not need corona treatment on its breach 6 corresponding print roller 4; Through 5 conditioning signal cycle of controller disk 9 and corona unit 1, the vertical Y of the corona treatment position of packaging bag film is overlapped with the printed patterns position.
(3) open all devices in the streamline, put into production, press equipment ordinary production speed and move, concrete:
When the input of photoelectric sensor 7 is sheltered from by signal period disk 9, photoelectric sensor 7 do not work, controller 5 is not worked, the corona operating switch is opened, corona treatment is carried out on 1 pair of packaging bag film surface of corona unit (being front printing zone b and flanging printing zone c);
When the breach 6, photoelectric sensor 7 that advances into signal period disk 9 when the input of photoelectric sensor 7 receives light; After controller 5 receives the signal that photoelectric sensor 7 sends, send the execution signal to the corona operating switch; The corona operating switch cuts out, and corona unit 1 stops packaging bag film surface (being that transversal heat seal zone a and flanging seal regional d) carried out corona treatment.
After stopping streamline work,, then can directly start shooting, just not adjust and produce if do not change packaging bag specification and the kind that needs printing when producing next time.
Claims (6)
1. batch (-type) corona treatment method; The packaging bag film is the reactive end through corona unit vertically; The corona unit rear is provided with feeding roller and print roller, constitutes the streamline of packaging bag film printing, and the packaging bag film of process corona treatment carries out surface printing at the print roller place; It is characterized in that: said corona unit is provided with the service intermittent system, comprises intermittent signal generator, controller and corona operating switch that signal transmission end connects successively, and its job step is following:
When the reactive end of the zone passage corona unit that needs corona treatment on the packaging bag film, intermittent signal generator is through controller opens corona operating switch, the reactive end work of corona unit, corona treatment carried out in this zone;
When the reactive end of the zone passage corona unit that does not need corona treatment on the packaging bag film, intermittent signal generator is closed the corona operating switch through controller, and the reactive end of corona unit quits work.
2. batch (-type) corona treatment method according to claim 1; It is characterized in that: said intermittent signal generator comprises signal period disk and photoelectric sensor; The signal period disk be arranged on print roller the side, with the coaxial rotation of print roller; The corresponding side face that does not need the position of corona treatment to be projected on the signal period disk on the print roller is provided with breach; The corresponding breach of photoelectric sensor belongs to circumferential position, is fixed on the outside of signal period disk, the signal input part of the input respective signal cycle disk direction of photoelectric sensor, the corresponding controller of output.
3. batch (-type) corona treatment method according to claim 2 is characterized in that: behind the signal that said controller reception photoelectric sensor sends, send shutdown signal to the corona operating switch.
4. batch (-type) corona treatment method according to claim 2 is characterized in that: the corresponding individual packaging bag of the length in said one week of print roller is length longitudinally.
5. batch (-type) corona treatment method according to claim 2 is characterized in that: the size dimension of said signal period disk and breach thereof is according to the specification setting of packaging bag.
6. batch (-type) corona treatment method according to claim 2, it is characterized in that: the concrete steps of said method are:
(1) corresponding the packaging bag that will print is provided with print roller, signal period disk and photoelectric sensor, vertically is arranged on the packaging bag film on the streamline;
(2) slow start haul roller, make streamline operation, regulate the position of signal period disk, make the position that does not need corona treatment on the corresponding print roller of its breach;
(3) open all devices in the streamline, put into production, concrete:
When the input of photoelectric sensor when disk shelters from by the signal period, photoelectric sensor are not worked, controller is not worked, the corona operating switch is opened, corona unit carries out corona treatment to packaging bag film surface;
When the breach, photoelectric sensor that advances into the signal period disk when the input of photoelectric sensor receives light; After controller receives the signal that photoelectric sensor sends, send the execution signal to the corona operating switch; The corona operating switch cuts out, and corona unit stops corona treatment being carried out on packaging bag film surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101824334A CN102729607A (en) | 2012-06-05 | 2012-06-05 | Intermittent corona treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101824334A CN102729607A (en) | 2012-06-05 | 2012-06-05 | Intermittent corona treatment method |
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| CN102729607A true CN102729607A (en) | 2012-10-17 |
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| CN2012101824334A Pending CN102729607A (en) | 2012-06-05 | 2012-06-05 | Intermittent corona treatment method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2806551A1 (en) * | 1978-02-16 | 1979-08-30 | Geisler Guenther | Corona discharge pretreatment device for valved plastics sacks - for printing, uses electrode which is lifted from support roller to allow bag to pass |
| JPS54145769A (en) * | 1978-05-04 | 1979-11-14 | Dainippon Printing Co Ltd | Surface treatment of synthetic resin film |
| US5087234A (en) * | 1990-03-19 | 1992-02-11 | Mobil Oil Corporation | Method of forming an easy-open bag pack |
| JPH0999502A (en) * | 1995-10-04 | 1997-04-15 | Nippon Matai Co Ltd | Gussette bag and production thereof |
| JP2008156108A (en) * | 2006-12-26 | 2008-07-10 | Funai Electric Co Ltd | Image forming device and image reader |
| US20080290591A1 (en) * | 2007-05-22 | 2008-11-27 | Komori Corporation | Static eliminator of sheet handling device |
| CN201609970U (en) * | 2010-02-04 | 2010-10-20 | 南通华盛新材料股份有限公司 | Device for producing edge-inserting inner printing plastic bag |
| CN202088653U (en) * | 2011-03-15 | 2011-12-28 | 骏龙包装集团有限公司 | A corona roller for film gravure |
-
2012
- 2012-06-05 CN CN2012101824334A patent/CN102729607A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2806551A1 (en) * | 1978-02-16 | 1979-08-30 | Geisler Guenther | Corona discharge pretreatment device for valved plastics sacks - for printing, uses electrode which is lifted from support roller to allow bag to pass |
| JPS54145769A (en) * | 1978-05-04 | 1979-11-14 | Dainippon Printing Co Ltd | Surface treatment of synthetic resin film |
| US5087234A (en) * | 1990-03-19 | 1992-02-11 | Mobil Oil Corporation | Method of forming an easy-open bag pack |
| JPH0999502A (en) * | 1995-10-04 | 1997-04-15 | Nippon Matai Co Ltd | Gussette bag and production thereof |
| JP2008156108A (en) * | 2006-12-26 | 2008-07-10 | Funai Electric Co Ltd | Image forming device and image reader |
| US20080290591A1 (en) * | 2007-05-22 | 2008-11-27 | Komori Corporation | Static eliminator of sheet handling device |
| CN201609970U (en) * | 2010-02-04 | 2010-10-20 | 南通华盛新材料股份有限公司 | Device for producing edge-inserting inner printing plastic bag |
| CN202088653U (en) * | 2011-03-15 | 2011-12-28 | 骏龙包装集团有限公司 | A corona roller for film gravure |
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Application publication date: 20121017 |