CN103103880B - Device for removing ink on paper with laser and implementation method thereof - Google Patents
Device for removing ink on paper with laser and implementation method thereof Download PDFInfo
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- CN103103880B CN103103880B CN201310037913.6A CN201310037913A CN103103880B CN 103103880 B CN103103880 B CN 103103880B CN 201310037913 A CN201310037913 A CN 201310037913A CN 103103880 B CN103103880 B CN 103103880B
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Abstract
The invention discloses a device for removing ink on paper with laser and an implementation method thereof. The device comprises a paper ink removing device body, wherein a first paper feeding mechanism, a paper carrying mechanism, a locating mechanism, a scanning mechanism, a laser ink removing mechanism, a powder removing mechanism, a second paper feeding mechanism and a paper loading mechanism are arranged on the paper ink removing device body; paper is fed on the paper carrying mechanism at intervals through the first paper feeding mechanism; an ink region on the paper is scanned through the scanning mechanism; then the laser is emitted through the laser ink removing mechanism so that ink molecules are separated from paper fiber so as to remove the ink on the paper; and then powder generated by the laser ink removing mechanism is removed and output into the paper loading mechanism. The paper is prevented from being damaged by removing the ink on the paper with laser, so that the purpose of waste paper reuse is achieved.
Description
Technical field
The present invention relates to paper and remove ink reutilization technology field, particularly a kind of device and its implementation adopting laser ablation paper ink marks.
Background technology
The raw material of paper is mainly the strings such as timber, grass, reed, bamboo, need to cut down a large amount of trees, and China's area of woods reduces day by day when manufacturing paper, and environmental problem is more and more subject to obtain the attention of people.The protection attention of Essential Environment and cost factor, people pay close attention to reusing of paper more and more, to attempt to be reduced in the use amount that paper manufactures Central Plains paper pulp.Traditional way waste paper is broken into paper pulp to make new paper again, but this mode is smashed together with paper by ink, make in paper pulp containing ink, the poor quality of the new paper produced, can only make grey manila board to open, this mode cannot produce the recycling to the higher paper (as art paper) of quality requirements.In order to ensure that the paper regenerated has required high-quality, usually need to remove whole traces from the paper that will reuse and paper products.Paper (as art paper) the more worth recycling that particularly quality requirements is higher, to reduce the purchase cost of enterprise.
Researcher have employed the method for various removal ink, but still there is a lot of problem, as: the application number patent that is 200580019741.3 adopts the method for chemical reaction to remove ink on paper, by adding in basic aqueous medium under the first polymer (A) comprising the CA mating type polymer of polycarboxylate polymer form and the second polymer (B) comprising poly-Α-hydroxy acrylic acid or its salt or corresponding polylactone existence with this waste paper of peroxide compound process.But the method needs many chemical raw materials, the operation of needs is very many, and reacted chemical liquid has become waste material with ink, also needs the problem considering liquid waste processing, directly increases cost, probably cause environmental pollution if dealt with improperly.
And for example: application number is the ink that 201010157101.1 patents remove on paper mechanically, this mechanical device is made up of paper advance mechanism, ink wiping mechanism, heating ink removing mechanism, secondary ink removing mechanism, shell, motor, binding post, heating plate, paper feeding slide block, by ink wiping mechanism and secondary ink removing mechanism carbon dust is carried out wiping off make paper reach secondary use standard.But this device ink marks directly wiped off on paper is easy to make paper surface become coarse, even damages paper, causes this paper to re-use, and the mechanism of this device is complicated, and cost is higher.
In view of this, the invention provides a kind of device and its implementation of adopting laser ablation paper ink marks.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of complex process when adopting the device of laser ablation paper ink marks and its implementation to remove paper to solve in prior art, and the problem that cost is high.
In order to achieve the above object, this invention takes following technical scheme:
Adopt a device for laser ablation paper ink marks, it comprises a deinking of paper device body, and described deinking of paper device body is provided with:
For carrying the first paper advance mechanism of paper;
For placing the load paper mechanism of paper;
For the detent mechanism to sheet positioning;
For scanning the sweep mechanism in the ink marks region obtained on paper;
For the laser ink removing mechanism making ink molecules be separated the ink marks removed on paper with paper fibre according to described ink marks field emission laser;
For removing the powder cleaning machine of the powder on paper;
For the second paper advance mechanism that the paper after ink removing is exported;
For holding the dress mechanism of paper of paper;
Described first paper advance mechanism is positioned at the side of deinking of paper device body, described detent mechanism, sweep mechanism, laser ink removing mechanism, powder cleaning machine and the second paper advance mechanism are installed in the inside of described deinking of paper device body, and described dress mechanism of paper is positioned at the opposite side of deinking of paper device body.
In the device of described employing laser ablation paper ink marks, whether the paper of described sweep mechanism also after scanning ink removing also judges on paper level and smooth, or there is hole point;
The coating mechanism for being coated with the hole point on paper according to the scanning result of sweep mechanism is also provided with in described deinking of paper device body.
In the device of described employing laser ablation paper ink marks, described laser ink removing mechanism is provided with the power demodulator for adjusting laser power.
In the device of described employing laser ablation paper ink marks, in described deinking of paper device body, be also provided with the drying unit for drying the paper after coating.
In the device of described employing laser ablation paper ink marks, described powder cleaning machine is hairbrush, blowing device or inhales last device.
In the device of described employing laser ablation paper ink marks, in described deinking of paper device body, be also provided with the Shou Mo mechanism for collecting the powder that powder cleaning machine is removed.
A kind of waste paper ink removing reuse method, it comprises:
By the first paper advance mechanism by paper sheet delivery in load paper mechanism;
By detent mechanism by sheet positioning;
The ink marks region obtained on paper is scanned by sweep mechanism;
Ink molecules is made to be separated the ink marks removed on paper with paper fibre by laser ink removing mechanism according to described ink marks field emission laser;
The powder on paper is removed by powder cleaning machine;
By the second paper advance mechanism the paper after ink removing exported to and hold in the dress mechanism of paper of paper.
In described waste paper ink removing reuse method, after the described step by the powder on powder cleaning machine removing paper, described method also comprises:
Whether the paper after scanning ink removing by described sweep mechanism also judges on paper level and smooth, or there is hole point, when paper exists hole point, is coated with the hole point on paper by coating mechanism.
In described waste paper ink removing reuse method, after the described step by the powder on powder cleaning machine removing paper, described method also comprises:
Sweep mechanism scans paper again, judges whether to there is ink marks region, if paper has ink marks, described laser ink removing mechanism removes the ink marks on paper again.
In described waste paper ink removing reuse method, after the step be coated with the hole point on paper by coating mechanism, described method also comprises:
The hole point after coating is dried by drying unit.
Compared to prior art, the device of employing laser ablation paper ink marks provided by the invention and its implementation, paper is intermittently sent in load paper mechanism by the first paper advance mechanism by its device one by one, by the ink marks on sweep mechanism scanning paper, pass through laser ink removing mechanism afterwards according to the ink marks region of described acquisition, launch laser beam, under laser beam energy effect, ink molecules is separated with paper fibre, again the powder that laser ink removing mechanism produces is removed afterwards, export in dress mechanism of paper again, in the process of whole ink removing, technique is simple, processing speed is fast, paper can not be damaged by the mode of the ink marks on laser ablation paper, reach the object that waste paper utilizes again.
In addition, the device of employing laser ablation paper ink marks provided by the invention, by the hole point on coating mechanism Coated Paper, makes paper become more smooth, makes paper reach the standard of secondary use.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the device of employing laser ablation paper ink marks provided by the invention.
Fig. 2 is the method flow block diagram of waste paper ink removing provided by the invention recycling.
Detailed description of the invention
For making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, the device of employing laser ablation paper ink marks provided by the invention comprises a deinking of paper device body, and described deinking of paper device body is provided with: the sweep mechanism 40 of the first paper advance mechanism 10, load paper mechanism 20, detent mechanism 30, ink marks, laser ink removing mechanism 50, powder cleaning machine 60, second paper advance mechanism 70 and dress mechanism of paper 80.Described first paper advance mechanism 10 is positioned at the side of deinking of paper device body, described sweep mechanism 40, laser ink removing mechanism 50, powder cleaning machine 60 and the second paper advance mechanism 70 are installed in the inside of described deinking of paper device body, and described dress mechanism of paper 80 is positioned at the opposite side of deinking of paper device body.
Wherein, be provided with shaggy running roller in the first paper advance mechanism 10, the first paper advance mechanism 10 coordinates paper by step for the paper load paper mechanism 20 be delivered to for placing paper.Certainly in other embodiments, described first paper advance mechanism 10 also can be provided with Fei Da mechanism by suction nozzle by after paper separation, then carries in load paper mechanism.
Described load paper mechanism 20 can be cylinder or clear glass, sweep mechanism 40 is positioned at the side of load paper mechanism 20, for scanning the ink marks region obtained on paper, laser ink removing mechanism 50 can be positioned at the side that paper has ink marks, laser beam is launched for the scanning result (i.e. ink marks position) according to sweep mechanism 40, under laser beam energy effect, make ink molecules be separated the ink marks removed on paper with paper fibre, described powder cleaning machine 60 also can be positioned at the side that paper has ink marks, the powder produced during for ink marks is removed by laser ink removing mechanism 50 is removed.When load paper mechanism 20 is cylinder, can fix when sweep mechanism 40, laser ink removing mechanism 50 and powder cleaning machine 60 work, drive paper to rotate scanning, remove the series of processes such as ink marks, powder removing by cylinder; When paper is glass platform, sweep mechanism 40, laser ink removing mechanism 50 and powder cleaning machine 60 need move reciprocatingly in the side of glass platform, carried out scanning, have removed the operation such as ink marks, powder removing.
In the present embodiment, the laser beam that described laser ink removing mechanism 50 exports is one or more in ultraviolet laser, infrared laser, green laser.And the laser beam that laser ink removing mechanism 50 exports is short-pulse laser, makes the ink on paper but be vaporized off, and can not damage paper.For green laser, when removing the ink marks that laser printer types stays, wavelength can be adopted to be 450-600 nanometer, being preferably wavelength is that the green laser beam of 532 nanometers is irradiated paper and had the region of ink marks, obscure powdered carbon can absorb pulse by thermal evaporation, and the cellulose of paper is almost transparent to this pulse, so paper can not be influenced.
In the present embodiment, laser ink removing mechanism 50 works once, again can start sweep mechanism 40 run-down paper and confirm whether paper also exists ink marks, if also have ink marks, then again start laser ink removing mechanism 50 to work, and so forth, until all remove the ink marks on paper.
Preferentially, described laser ink removing mechanism is provided with the power governor (not shown) for adjusting laser power, before batch is to deinking of paper, can first try to be in several paper, the power of laser is regulated according to the result removing ink, batch process paper more afterwards, thus the operating efficiency improving the device adopting laser ablation paper ink marks.
Also shaggy running roller can be provided with, for exporting the paper handled well for holding in the dress mechanism of paper 80 of paper in described second paper advance mechanism 70.In other embodiments, described second paper advance mechanism 70 also can be provided with chain and tooth row, after the ink powder cleaning on paper, lives paper, then sent by paper by chain by tooth row folding.
Described detent mechanism 30 is used for fixing paper, and prevents paper to be shifted when removing powder.As load paper mechanism be glass time, paper is attached in load paper mechanism by the mode of air draught by detent mechanism.When load paper mechanism is cylinder, detent mechanism makes paper be attached on cylinder by the mode that air draught or spring are pushed down.
Due to the ink marks (as ink) of ink-jet printer or printing machine, some powder may be produced in the process of laser ink removing mechanism ink removing 50, so need powder cleaning machine 60 pairs of powder to process.In the present embodiment, described powder cleaning machine 60 is for hairbrush, blowing device or inhale last device.And the powder that Shou Mo mechanism (not shown) is used for collecting the removing of powder cleaning machine 60 is set at the periphery (as side) of powder cleaning machine 60, thus keeps cleaning in deinking of paper device body.
Due to laser ink removing and remove powder process in the surface of paper may be made to become coarse or there are some hole points, be also provided with coating mechanism 90 in described deinking of paper device body, be used for hole point on Coated Paper and rough region.In the present embodiment, the coating that described coating mechanism 90 is coated with also can be paper pulp or varnish, when paper existing hole point, can coat paper pulp make paper become smooth at some place, hole, or also can be made into the high-grade paper such as transfer paper or extrusion coating paper, be coated with last layer varnish thereon.
Particularly, described coating mechanism 90 can be positioned at the same side of laser ink removing mechanism 50, after powder removed by powder cleaning machine 60, sweep mechanism is also for scanning the paper after ink removing, and judge whether paper exists hole point, according to the scanning result of sweep mechanism, the hole point on paper is coated with by coating mechanism 90 again, as paper is not cheated a little, does not then need to start coating mechanism 90 and work.
Be produce paper slurry used owing to being coated with material used, in the embodiment of the present invention, in described deinking of paper device body, be also provided with the drying unit for the hole point after drying coating, the paper that the second paper advance mechanism 70 is exported can directly use.
In a further embodiment, in described deinking of paper device body, also a filter can being set, for collecting the ink after gasification, thus again utilizing, further economize energy.
Based on the device of above-mentioned employing laser ablation paper ink marks, the present invention is also corresponding provides a kind of waste paper ink removing reuse method, and as shown in Figure 2, described method comprises:
S110, by the first paper advance mechanism by paper sheet delivery in load paper mechanism.In the present embodiment, coordinated with paper by the running roller of the first paper advance mechanism, by the load paper mechanism in step for paper feeding deinking of paper device body.
S120, by detent mechanism by sheet positioning, when preventing powder cleaning machine from working, paper is shifted.
S130, scan by sweep mechanism the ink marks region obtained on paper.During concrete enforcement, described sweep mechanism can scan the ink marks region on paper, as the zone line of paper.
S140, ink molecules is made to be separated the ink marks removed on paper with paper fibre by laser ink removing mechanism according to described ink marks field emission laser.During concrete enforcement, employing wavelength is the region that the green laser beam of 532 nanometers irradiates that paper has ink marks, and obscure powdered carbon can absorb pulse by thermal evaporation, and ink marks is removed.
S150, the powder removed by powder cleaning machine on paper.
S160, by the second paper advance mechanism the paper after ink removing to be exported to and hold in the dress mechanism of paper of paper.During concrete enforcement, described dress mechanism of paper also can arrange an elevating mechanism, after the paper in dress mechanism of paper reaches some, and decline certain distance, thus make the paper in dress mechanism of paper fill more, and stacked stacking.
Wherein, after the step s 150, described method also comprises: the paper after described sweep mechanism scanning ink removing also judges whether paper exists hole point, when paper exists hole point, is coated with the hole point on paper by coating mechanism.And after the step be coated with the hole point on paper, described method also comprises: dry the hole point after coating by drying unit, directly can use after sending making paper in deinking of paper device body, there will not be the phenomenon of clinging other paper.
In sum, paper is intermittently sent in load paper mechanism by the first paper advance mechanism by the device of employing laser ablation paper ink marks provided by the invention one by one, by the ink marks on sweep mechanism scanning paper, the ink marks on paper is removed afterwards by laser ink removing mechanism, again the powder that laser ink removing mechanism produces is removed afterwards, export in dress mechanism of paper again, in the process of whole ink removing, technique is simple, processing speed is fast, can not paper be damaged by the mode of the ink marks on laser ablation paper, reach the object that waste paper utilizes again.The paper removing ink marks in this way can utilize about ten times, can greatly reduce and fall trees for papermaking, has greatly saved the cost of enterprise's paper using.The present invention and the existing ink marks more environmental protection utilizing chemical method to remove waste paper, not only reduce the demand to chemicals, can also greatly reduce CO2 emission, environmental protection.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.
Claims (8)
1. adopt a device for laser ablation paper ink marks, it is characterized in that, comprise a deinking of paper device body, described deinking of paper device body is provided with:
For carrying the first paper advance mechanism of paper;
For placing the load paper mechanism of paper;
For the detent mechanism to sheet positioning;
For scanning the sweep mechanism in the ink marks region obtained on paper;
For the laser ink removing mechanism making ink molecules be separated the ink marks removed on paper with paper fibre according to described ink marks field emission laser;
For removing the powder cleaning machine of the powder on paper;
For the second paper advance mechanism that the paper after ink removing is exported;
For holding the dress mechanism of paper of paper; Described dress mechanism of paper arranges an elevating mechanism, after the paper in dress mechanism of paper reaches some, and decline certain distance, thus make the paper in dress mechanism of paper fill more, and stacked stacking;
Described first paper advance mechanism is positioned at the side of deinking of paper device body, described detent mechanism, sweep mechanism, laser ink removing mechanism, powder cleaning machine and the second paper advance mechanism are installed in the inside of described deinking of paper device body, described dress mechanism of paper is positioned at the opposite side of deinking of paper device body, and described laser ink removing mechanism and powder cleaning machine are positioned at the side that paper has ink marks;
Wherein, whether the paper of described sweep mechanism also after scanning ink removing also judges on paper level and smooth, or there is hole point;
The coating mechanism for being coated with the hole point on paper according to the scanning result of sweep mechanism is also provided with in described deinking of paper device body.
2. the device of employing laser ablation paper ink marks according to claim 1, is characterized in that, described laser ink removing mechanism is provided with the power demodulator for adjusting laser power.
3. the device of employing laser ablation paper ink marks according to claim 1, is characterized in that, being also provided with the drying unit for drying the paper after coating in described deinking of paper device body.
4. the device of employing laser ablation paper ink marks according to claim 1, it is characterized in that, described powder cleaning machine is hairbrush, blowing device or inhales last device.
5. the device of the employing laser ablation paper ink marks according to claim 1 or 4, is characterized in that, is also provided with the Shou Mo mechanism for collecting the powder that powder cleaning machine is removed in described deinking of paper device body.
6. a waste paper ink removing reuse method, is characterized in that, comprising:
By the first paper advance mechanism by paper sheet delivery in load paper mechanism;
By detent mechanism by sheet positioning;
The ink marks region obtained on paper is scanned by sweep mechanism;
Ink molecules is made to be separated the ink marks removed on paper with paper fibre by laser ink removing mechanism according to described ink marks field emission laser;
The powder on paper is removed by powder cleaning machine;
Whether the paper after scanning ink removing by described sweep mechanism also judges on paper level and smooth, or there is hole point, when paper exists hole point, is coated with the hole point on paper by coating mechanism;
Being exported to by paper after ink removing by the second paper advance mechanism holds in the dress mechanism of paper of paper, described dress mechanism of paper arranges an elevating mechanism, after the paper in dress mechanism of paper reaches some, and decline certain distance, thus make the paper in dress mechanism of paper fill more, and stacked stacking.
7. waste paper ink removing reuse method according to claim 6, is characterized in that, after the described step by the powder on powder cleaning machine removing paper, described method also comprises:
Sweep mechanism scans paper again, judges whether to there is ink marks region, if paper has ink marks, described laser ink removing mechanism removes the ink marks on paper again.
8. waste paper ink removing reuse method according to claim 6, is characterized in that, after the step be coated with the hole point on paper by coating mechanism, described method also comprises:
The hole point after coating is dried by drying unit.
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| US11120669B2 (en) * | 2013-11-26 | 2021-09-14 | Ncr Corporation | Media depository |
| CN104070831A (en) * | 2014-06-29 | 2014-10-01 | 杨成林 | Method for eliminating printing or scribbling marks in paper |
| CN104385795B (en) * | 2014-10-24 | 2017-11-03 | 常熟阿特斯阳光电力科技有限公司 | The modification method and system of a kind of photovoltaic module bar code information |
| CN105002782B (en) * | 2014-10-28 | 2018-06-15 | 赵永兴 | A kind of grinding device of wiping machine |
| CN104438153A (en) * | 2014-12-02 | 2015-03-25 | 赵永兴 | Physical printing ink removal machine |
| CN104480789B (en) * | 2014-12-15 | 2016-08-31 | 贵州大学 | A kind of copy paper renovation process and device |
| CN106337308A (en) * | 2016-10-31 | 2017-01-18 | 李璇 | Water-saving, high-efficiency and environment-friendly paper machine for office and home use |
| CN110656538B (en) * | 2019-08-23 | 2021-04-02 | 武汉理工大学 | Paper regenerating unit based on short pulse laser |
| CN111215755B (en) * | 2019-12-10 | 2022-02-11 | 合肥工业大学 | Method for removing ink marks of paper by adopting laser |
| JP2021119267A (en) * | 2020-01-30 | 2021-08-12 | セイコーエプソン株式会社 | Fiber processing system and fiber processing method |
| CN111250234B (en) * | 2020-02-11 | 2022-03-22 | 联想万像(深圳)科技有限公司 | Paper shredder |
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Address after: 230601 Feilong Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Anhui Antai New Style Packing Materials Co., Ltd. Patentee after: SHENZHEN JINJIA GROUP CO., LTD. Address before: 230601 Feilong Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Anhui Antai New Style Packing Materials Co., Ltd. Patentee before: Shenzhen Jinjia Color Printing Group Co., Ltd. |