CN102267251A - Making method for seamless paper tube - Google Patents
Making method for seamless paper tube Download PDFInfo
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- CN102267251A CN102267251A CN201110257772XA CN201110257772A CN102267251A CN 102267251 A CN102267251 A CN 102267251A CN 201110257772X A CN201110257772X A CN 201110257772XA CN 201110257772 A CN201110257772 A CN 201110257772A CN 102267251 A CN102267251 A CN 102267251A
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- paper tube
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Abstract
The invention discloses a making method for a seamless paper tube. The method comprises the processes of reeling, polishing, coating and drying; and after the drying process, a thermal extrusion process is performed at the temperature of between 120 and 150 DEG C. For meeting the production requirement of the paper tube, the thermal extrusion process is increased on the basis of the conventional processes of reeling, polishing, coating, drying and the like, so that concentricity and straightness are ensured; and a film reeled by using the paper tube has no initial stripes, so that the requirement of an optical film is met. By the production processes, strength, hardness and smoothness of the paper tube can be increased, deformation and chip removal of the paper tube in the use process of a downstream manufacturer are avoided, and the quality and the durability of the product are improved.
Description
Technical field
The present invention relates to a kind of preparation method of paper tube, specifically, is a kind of preparation method of seamless paper tube.
Background technology
Along with developing rapidly of optical grade films such as LED and diaphragm, to its auxiliary material---the requirement of paper tube also is more and more higher.That is to say, indexs such as the concentricity of paper tube, linearity have been proposed new requirement.Especially as the film of optical plastic film volume inner core,,, can produce holiday if the film volume has striped during coating because the main process of optical grade film is coating.
The paper tube that prior art is produced, because equipment and technology are backward relatively, can only be with pipe crimping, dry, be coated with technology such as cured, polishing and produce.The paper tube of being produced, oven dry back size easy deformation does not have follow-up technology again linearity, concentricity is corrected, and can't satisfy the performance requirement of film for optical use paper tube.
Summary of the invention
Technical problem to be solved by this invention is, a kind of assurance concentricity, linearity are provided, and satisfies the seamless preparation method of extruding paper tube of optical thin film.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of preparation method of seamless paper tube, comprise pipe crimping, polishing, coating, baking operation process, and behind baking operation, also carry out hot-extrudable operation at 120～150 ℃.
Specifically may further comprise the steps:
(1) pipe crimping: the wide and number of plies of paper that select to be fit to, handle, go up glue process through cut paper, groove, on automatic reeling machine, be wound into pipe, satisfy diameter requirement behind the pipe crimping;
(2) polish, be coated with: after grinding process is carried out on the paper tube surface of coiling and molding, evenly be coated with one deck paper tube special glue on its surface;
(3) oven dry: paper tube enters the drying room inner drying through after air-dry, the drying room temperature is 40～60 ℃, 13 ~ 18 hours drying times, the paper tube water content remains on 14%～16% before the oven dry, the paper tube external diameter guarantees greater than oven dry back size 1.5～2.5%, oven dry back moisture is no more than 10%, and the size after guaranteeing to dry is greater than extrusion die size 1.5～2.5%;
(4) hot-extrudable operation: after the paper tube cooling after will drying, carry out hot-extrudable at 120～150 ℃.
(5) essence is cut: cut according to the customer requirement size, finish end product.
The speed of described pipe crimping is 3 meters/minute to 12 meters/minute.
Evenly extrude to 2.5 meters/minute with 1 meter/minute in the described hot-extrudable operation.
The invention has the beneficial effects as follows: for satisfying the paper tube production requirement, on technology bases such as original pipe crimping, coating, oven dry, increased hot-extrudable technology, guaranteed concentricity and linearity, do not had initial striped, satisfied the requirement of optical thin film with its film that rolls out.Production technology of the present invention can increase intensity, hardness and the smoothness of paper tube, avoids downstream producer the paper tube distortion in use to occur, fall bits, improves the quality of products and durability.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is described in further detail:
The pipe crimping of the preparation method of seamless paper tube of the present invention, polishing, coating, baking operation are identical with prior art, can be with reference to prior art, so no longer narration, the difference of the present invention and prior art is also to carry out hot-extrudable operation in 120～150 ℃ of temperature ranges after the oven dry, is described in detail below:
Embodiment 1
One, raw material paper
1, the selection of raw material paper
According to the different requirements of paper tube, selecting the paper grammes per square metre is 300 ~ 600g/m
2Between paper.General 100 ~ the 350g/m that selects of water imbibition
2Between (suddenly method).
2, raw material paper cuts
According to making the required tape width size of paper tube, paper is cut into paper tape on cutting machine.The paper tape broadband is generally between 100 ~ 130mm.
3, mill trimming
Top layer paper tape after cutting placed on the edge polisher grinding is carried out on the paper tape both sides handled.Approximately grind off about 3 ~ 6mm, thinnest part reaches 0.05 ~ 0.1mm.
Two, pipe rolling technique
1, gluing
Main body paper tape and top layer paper tape placed carry out gluing on the glue spreader, evenly be coated with last layer paper tube special glue at the upper surface of main body paper tape and top layer paper tape.
2, pipe crimping
Enter automatic reeling machine after the gluing, travel at the uniform speed with 3 meters/minute to 12 meters/minute, be rolled into paper roll.
3, polishing
Online polished in the paper tube surface, more smooth, smooth through online polishing paper tube surface.
Three, coating, online oven dry is cut pin and is become female pipe
1, coating
At the even coated heat thermosetting resin in paper tube surface.
2, carry out prebake, cut into female pipe
Paper tube after the coating passes through the air-dry prebake of carrying out, and cuts into 3 meters long mothers then and manages standby.
2, oven dry
With the mode of female effective suspension of prebake, vertically put into the drying room inner drying, according to the temperature and humidity of weather, temperature was done 13 ~ 18 hours in drying room.In the drying course, moisture content is measured, the paper tube water content remains on 14%～16% before the oven dry, the paper tube external diameter guarantees greater than oven dry back size 1.5～2.5%, oven dry back moisture is no more than 10%, detects the paper tube diameter simultaneously, and the size after guaranteeing to dry is greater than extrusion die size 1.5～2.5%.
Four, hot-extrudable operation
After paper tube after the oven dry fully cooled off, in 120～150 ℃ of temperature ranges, put into extrusion die and carry out hot-extrudablely, evenly extrude to 2.5 meters/minute with 1 meter/minute.The paper tube surface was Paint Gloss smooth when process was hot-extrudable.
Five, essence is cut
Cut according to the customer requirement size, finish end product.
The critical process of extruding the paper tube technology is hot-extrudable, if the paper tube outside dimension is too small or excessive before extruding, all can't carry out expressing technique, the too small effect of not extruding, excessive can't extruding.Paper tube outside dimension before extruding is controlled, and comprises two aspects, and the one, control pipe crimping, coating back diameter, the 2nd, the paper tube external diameter after the control drying time is dried with assurance, the paper tube external diameter before just extruding.
The process test of many times is carried out hot-extrudable at 120～150 ℃, the paper tube surface is fully solidified, and increases glossiness, and temperature rising (as surpassing 150 degree) causes the embrittlement of paper tube overlay paper, degree of tarnishing easily.
The present invention is in original production technology, pipe crimping-polishing-oven dry--and be coated with on the basis of cured-glossing, increased hot-extrudable technology, make existing paper tube production technology be improved to pipe crimping-polishing-coating-oven dry-hot-extrudable.The paper tube concentricity of former explained hereafter smaller or equal to 0.5mm, linearity smaller or equal to 0.5mm(1 rice length), the present invention extrude the paper tube concentricity smaller or equal to 0.3mm, linearity smaller or equal to 0.3mm(1 rice length).The paper tube main performance index of extruding that the present invention produces sees Table 1:
Table 1 the present invention extrudes the paper tube The performance test results
Above-described embodiment only is used to illustrate technological thought of the present invention and characteristics, its purpose is to make those skilled in the art can understand content of the present invention and implements according to this, can not only limit claim of the present invention with present embodiment, be equal variation or the modification that all disclosed spirit is done, still drop in the claim of the present invention.
Claims (4)
1. the preparation method of a seamless paper tube comprises pipe crimping, polishing, coating, baking operation process, it is characterized in that, also carries out hot-extrudable operation at 120～150 ℃ behind baking operation.
2. the preparation method of seamless paper tube according to claim 1 is characterized in that, may further comprise the steps:
(1) pipe crimping: the wide and number of plies of paper that select to be fit to, handle, go up glue process through cut paper, groove, on automatic reeling machine, be wound into pipe, satisfy diameter requirement behind the pipe crimping;
(2) polish, be coated with: after grinding process is carried out on the paper tube surface of coiling and molding, evenly be coated with one deck paper tube special glue on its surface;
(3) oven dry: paper tube enters the drying room inner drying through after air-dry, the drying room temperature is 40～60 ℃, 13 ~ 18 hours drying times, the paper tube water content remains on 14%～16% before the oven dry, the paper tube external diameter guarantees greater than oven dry back size 1.5～2.5%, oven dry back moisture is no more than 10%, and the size after guaranteeing to dry is greater than extrusion die size 1.5～2.5%;
(4) hot-extrudable operation: after the paper tube cooling after will drying, carry out hot-extrudable at 120～150 ℃;
(5) essence is cut: cut according to the customer requirement size, finish end product.
3. the preparation method of seamless paper tube according to claim 2 is characterized in that, the speed of described pipe crimping is 3 meters/minute to 12 meters/minute.
4. the preparation method of seamless paper tube according to claim 2 is characterized in that, evenly extrudes to 2.5 meters/minute with 1 meter/minute in the described hot-extrudable operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110257772 CN102267251B (en) | 2011-09-02 | 2011-09-02 | Making method for seamless paper tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110257772 CN102267251B (en) | 2011-09-02 | 2011-09-02 | Making method for seamless paper tube |
Publications (2)
| Publication Number | Publication Date |
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| CN102267251A true CN102267251A (en) | 2011-12-07 |
| CN102267251B CN102267251B (en) | 2013-09-11 |
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| CN 201110257772 Active CN102267251B (en) | 2011-09-02 | 2011-09-02 | Making method for seamless paper tube |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943243A (en) * | 2015-06-19 | 2015-09-30 | 姚伟 | Preparation process of paper pouring earthenware pipe |
| CN106239981A (en) * | 2016-08-17 | 2016-12-21 | 上海允成纸业有限公司 | Screw seamless paper tube produces extruder and seamless paper tube production technology |
| CN107458031A (en) * | 2017-09-22 | 2017-12-12 | 太仓捷公精密金属材料有限公司 | A kind of production method of compound paper pipe |
| CN110181868A (en) * | 2019-06-19 | 2019-08-30 | 杭州九鼎纸管有限公司 | A kind of novel plus bullet paper tube and preparation method thereof |
| CN110920150A (en) * | 2019-11-27 | 2020-03-27 | 南京格润包装材料有限公司 | Surface seamless paper tube processing technology |
| CN111268517A (en) * | 2020-04-10 | 2020-06-12 | 山东德派克纸业有限公司平原分公司 | Production method of paper tube for textile production by using soybean protein glue as adhesive |
| CN111823650A (en) * | 2019-04-15 | 2020-10-27 | 无锡市百雄流体科技有限公司 | Forming process for compounding plant fiber paper into silencing pipe |
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| CN1586881A (en) * | 2004-07-15 | 2005-03-02 | 杭州保力洁包装有限公司 | Method for producing paper tube |
| CN1814534A (en) * | 2005-11-21 | 2006-08-09 | 周明刚 | Paper bobbin and its production method |
| CN101368354A (en) * | 2008-09-26 | 2009-02-18 | 玖龙纸业（太仓）有限公司 | Offcut reclaiming utilization technique for reclaiming paper production |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943243A (en) * | 2015-06-19 | 2015-09-30 | 姚伟 | Preparation process of paper pouring earthenware pipe |
| CN106239981A (en) * | 2016-08-17 | 2016-12-21 | 上海允成纸业有限公司 | Screw seamless paper tube produces extruder and seamless paper tube production technology |
| CN107458031A (en) * | 2017-09-22 | 2017-12-12 | 太仓捷公精密金属材料有限公司 | A kind of production method of compound paper pipe |
| CN111823650A (en) * | 2019-04-15 | 2020-10-27 | 无锡市百雄流体科技有限公司 | Forming process for compounding plant fiber paper into silencing pipe |
| CN110181868A (en) * | 2019-06-19 | 2019-08-30 | 杭州九鼎纸管有限公司 | A kind of novel plus bullet paper tube and preparation method thereof |
| CN110181868B (en) * | 2019-06-19 | 2024-01-30 | 杭州九鼎纸管有限公司 | Novel elasticized paper tube and manufacturing method thereof |
| CN110920150A (en) * | 2019-11-27 | 2020-03-27 | 南京格润包装材料有限公司 | Surface seamless paper tube processing technology |
| CN111268517A (en) * | 2020-04-10 | 2020-06-12 | 山东德派克纸业有限公司平原分公司 | Production method of paper tube for textile production by using soybean protein glue as adhesive |
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| CN102267251B (en) | 2013-09-11 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20111207 Assignee: Tianjin Hua Cheng Packing Products Co., Ltd. Assignor: Tianjin Wanhua Co., Ltd. Contract record no.: 2013120000051 Denomination of invention: Making method for seamless paper tube Granted publication date: 20130911 License type: Exclusive License Record date: 20130918 |
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