CN105667083B - A kind of paper drying process and its drying device for intaglio printing press paper collection part - Google Patents
A kind of paper drying process and its drying device for intaglio printing press paper collection part Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/0463—Drying sheets, e.g. between two printing stations by convection
- B41F23/0466—Drying sheets, e.g. between two printing stations by convection by using heated air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/0443—Drying sheets, e.g. between two printing stations after printing
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Abstract
本发明公开了一种用于凹印机收纸部的纸张干燥工艺及其干燥装置,所述凹印机收纸部收纸仓内的传输通道由纸张输送方向依次分为第一自然风冷却段、热风加热段以及第二自然风冷却段,所述纸张经过凹印机印刷后进入凹印机收纸部的收纸仓内,所述纸张在叼纸牙的带动下,同时在托纸风的作用下进行收纸,所述纸张在进入收纸仓后经过三段式干燥。本发明综合凹印油墨与纸张结合的特性,使纸张在进入收纸仓后依次经过自然风冷却、热风加热以及自然风再次冷却的三段式干燥工艺,从而加速油墨与纸张的结合,提高纸张温湿度一致性和纸张与油墨结合的干燥速度及效果,实现凹印收纸工艺方式的改变,使收纸隔板由现有的1000大张/隔板增加到2500大张~5000大张/隔板。
The invention discloses a paper drying process and a drying device for the paper receiving part of a gravure printing machine. The transmission channel in the paper receiving bin of the gravure printing machine is divided into the first natural wind cooling according to the paper conveying direction. Section, hot air heating section and second natural air cooling section, the paper is printed by the gravure printing machine and then enters the paper delivery bin of the paper delivery section of the gravure printing machine. The paper is delivered under the action of the wind, and the paper is dried in three stages after entering the delivery warehouse. The invention integrates the characteristics of gravure printing ink and paper combination, and makes the paper go through the three-stage drying process of natural wind cooling, hot air heating and natural wind cooling again after entering the delivery warehouse, thereby accelerating the combination of ink and paper and improving the quality of paper. The consistency of temperature and humidity and the drying speed and effect of the combination of paper and ink can realize the change of the gravure printing delivery process, and increase the delivery partition from the existing 1000 sheets/partition to 2500 ~ 5000 sheets/ clapboard.
Description
技术领域technical field
本发明属于纸张印刷技术领域,特别涉及一种用于凹印机收纸部的纸张干燥工艺及其干燥装置。The invention belongs to the technical field of paper printing, and in particular relates to a paper drying process and a drying device used in the paper delivery section of a gravure printing machine.
背景技术Background technique
现印钞行业凹印所用油墨属于易蹭脏型油墨,为确保产品印刷质量,目前国内凹印印刷在接纸时均采用1000大张/隔板的方式,来解决产品蹭脏的质量风险问题,该方式主要存在以下弊端:The ink used in gravure printing in the current banknote printing industry is an ink that is easy to smudge. In order to ensure the printing quality of the product, the current domestic gravure printing adopts the method of 1,000 sheets/partition when receiving paper to solve the quality risk of product smearing. , this method mainly has the following disadvantages:
(1)该方式接纸板、三角挡板用量大,数管和机台操作人员的劳动强度大,尤其机台上机印刷拆板时,操作不经济、低效,工作负荷大,辅助生产时间多,企业生产辅助成本高,是制约MES技术基础平台的印钞在线清数系统项目推进的主要技术难题。(1) This method consumes a large amount of cardboard and triangular baffles, and the labor intensity of the number tube and machine operators is high. Especially when printing and unpacking on the machine, the operation is uneconomical, inefficient, and the workload is large. Auxiliary production time Many, the high production auxiliary cost of enterprises is the main technical problem that restricts the promotion of the banknote printing online counting system project of the MES technology basic platform.
(2)在产品转运、翻数或上机的过程中,尤其是产品入库房或立体库时,极易发生倒垛,导致产品蹭脏废的质量风险。(2) During the process of product transfer, counting or boarding, especially when the product is put into the warehouse or three-dimensional warehouse, it is very easy to overturn the stack, resulting in the quality risk of dirty and waste products.
(3)产品翻印周期长,存放库房场地占用面积大,这是行业生产组织的长期工艺技术难题,占用了大量的生产流动资金。(3) The reprinting cycle of products is long, and the storage space occupies a large area. This is a long-term technical problem for the production organization of the industry, which occupies a large amount of production liquidity.
综上所述,1000大张/隔板的接纸方式是制约印钞在线清数系统项目推进、工艺变革的主要问题。To sum up, the paper splicing method of 1000 large sheets/partition is the main problem that restricts the progress of the banknote printing online counting system project and the process change.
发明内容Contents of the invention
本发明的目的在于:针对上述存在的问题,提供一种能够将印钞凹印机收纸接纸方式由1000大张/隔板增加到2500大张~5000大张/隔板的用于凹印机收纸部的纸张干燥工艺及其干燥装置。The object of the present invention is to solve the above-mentioned problems, to provide a banknote printing gravure printing machine that can increase the paper delivery method from 1000 large sheets/partition to 2500 ~ 5000 large sheets/partition for gravure printing. The paper drying process and its drying device in the delivery section of the printing machine.
本发明的技术方案是这样实现的:一种用于凹印机收纸部的纸张干燥工艺,所述纸张经过凹印机印刷后进入凹印机收纸部的收纸仓内,所述纸张在叼纸牙的带动下,同时在托纸风的作用下进行收纸,其特征在于:所述纸张在进入收纸仓后经过三段式干燥,具体为:The technical solution of the present invention is realized in the following way: a paper drying process for the delivery section of the gravure printing machine, the paper is printed in the gravure printing machine and then enters the delivery bin of the delivery section of the gravure printing machine, the paper Driven by the grippers, the paper is collected under the action of the paper-supporting wind at the same time. It is characterized in that: the paper is dried in three stages after entering the paper delivery bin, specifically:
首先,印刷后的纸张进入收纸仓后先经过第一自然风冷却段进行冷却,其自然冷却风为该段对应托纸风管产生的托纸冷却风;First of all, after the printed paper enters the delivery bin, it is cooled by the first natural air cooling section, and its natural cooling air is the paper cooling air generated by the corresponding paper air duct in this section;
然后,经过第一自然风冷却段冷却的纸张进入热风加热段进行加热,其用于加热的热风为该段对应托纸风管产生的托纸热风;Then, the paper cooled by the first natural air cooling section enters the hot air heating section for heating, and the hot air used for heating is the paper supporting hot air generated by the section corresponding to the paper supporting air duct;
最后,经过热风加热段加热后的纸张进入第二自然风冷却段进行冷却,其自然冷却风为该段对应托纸风管产生的托纸冷却风,冷却后的纸张落入收纸仓。Finally, the paper heated by the hot air heating section enters the second natural air cooling section for cooling. The natural cooling air is the paper cooling air generated by the corresponding paper air duct in this section, and the cooled paper falls into the paper delivery bin.
本发明所述的用于凹印机收纸部的纸张干燥工艺,其所述热风加热段的托纸热风是由加热装置进行加热后的空气,所述加热后的空气通过对应的托纸风管作用于纸张表面。According to the paper drying process used in the delivery section of the gravure printing machine according to the present invention, the paper-supporting hot air in the hot-air heating section is the air heated by the heating device, and the heated air passes through the corresponding paper-supporting air The tube acts on the surface of the paper.
一种用于凹印机收纸部的纸张干燥装置,在所述凹印机收纸部的收纸仓内设置有用于输送印刷后纸张的传输通道,在所述传输通道内、纸张输送的下方设置有若干排托纸风管,其特征在于:所述传输通道由纸张输送方向依次分为第一自然风冷却段、热风加热段以及第二自然风冷却段,所述第一自然风冷却段和第二自然风冷却段对应的托纸风管分别与冷却风机连接,所述热风加热段对应的托纸风管与加热风机连接。A paper drying device for a paper delivery section of a gravure printing machine, in which a transmission channel for conveying printed paper is provided in the paper delivery bin of the gravure printing machine delivery section, and in the transmission channel, the paper conveying There are several air ducts for supporting paper at the bottom, and it is characterized in that: the transmission channel is divided into the first natural wind cooling section, the hot air heating section and the second natural wind cooling section according to the paper conveying direction, and the first natural wind cooling section The paper supporting air ducts corresponding to the section and the second natural air cooling section are respectively connected to the cooling fan, and the paper supporting air ducts corresponding to the hot air heating section are connected to the heating fan.
本发明所述的用于凹印机收纸部的纸张干燥装置,其在所述传输通道内、若干排托纸风管下方设置有封底隔板,在所述传输通道内、热风加热段对应段设置有封顶隔板,所述封顶隔板与封底隔板对应配合形成纸张的加热通道。According to the paper drying device used in the paper delivery section of the gravure printing machine according to the present invention, a back-sealing partition is arranged in the transmission channel and below a plurality of supporting paper air ducts, and in the transmission channel, the hot air heating section corresponds to The section is provided with a top-sealing partition, and the top-sealing partition and the bottom-sealing partition are correspondingly matched to form a heating channel for paper.
本发明所述的用于凹印机收纸部的纸张干燥装置,其在所述传输通道内设置有至少两套热传感器形成闭环控制,所述热传感器与PLC控制系统连接。The paper drying device used in the delivery section of the gravure printing machine according to the present invention is provided with at least two sets of thermal sensors in the transmission channel to form a closed-loop control, and the thermal sensors are connected to a PLC control system.
本发明综合凹印油墨与纸张结合的特性,使纸张在进入收纸仓后依次经过自然风冷却、热风加热以及自然风再次冷却的三段式干燥工艺,从而加速油墨与纸张的结合,提高纸张温湿度一致性和纸张与油墨结合的干燥速度及效果,实现凹印收纸工艺方式的改变,使收纸隔板由现有的1000大张/隔板增加到2500大张~5000大张/隔板,以使企业实现简约生产,降低产品数字安全风险,减少产品蹭脏废,降低员工操作劳动强度,缩短产品干燥周期。The present invention integrates the combination characteristics of gravure printing ink and paper, and makes the paper undergo a three-stage drying process of natural wind cooling, hot air heating and natural wind cooling again after entering the paper delivery warehouse, thereby accelerating the combination of ink and paper and improving the quality of paper. The consistency of temperature and humidity and the drying speed and effect of the combination of paper and ink realize the change of the gravure paper delivery process, and increase the delivery partition from the existing 1000 sheets/baffle to 2500 ~ 5000 sheets/ Partitions enable enterprises to achieve simple production, reduce product digital security risks, reduce product waste, reduce labor intensity of employees, and shorten product drying cycle.
附图说明Description of drawings
图1是本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
图中标记:1为传输通道,1a为第一自然风冷却段,1b为热风加热段,1c为第二自然风冷却段,2为托纸风管,3为封底隔板,4为封顶隔板,5为纸张,6为叼纸牙。Marks in the figure: 1 is the transmission channel, 1a is the first natural air cooling section, 1b is the hot air heating section, 1c is the second natural air cooling section, 2 is the paper supporting air duct, 3 is the bottom sealing partition, 4 is the top sealing partition Plate, 5 is paper, and 6 is a paper gripper.
具体实施方式Detailed ways
下面结合附图,对本发明作详细的说明。Below in conjunction with accompanying drawing, the present invention is described in detail.
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
如图1所示,一种用于凹印机收纸部的纸张干燥装置,在所述凹印机收纸部的收纸仓内设置有用于输送印刷后纸张的传输通道1,在所述传输通道1内、纸张输送的下方设置有若干排托纸风管2,所述传输通道1由纸张输送方向依次分为第一自然风冷却段1a、热风加热段1b以及第二自然风冷却段1c,所述第一自然风冷却段1a和第二自然风冷却段1c对应的托纸风管2分别与冷却风机连接,所述热风加热段1b对应的托纸风管2与加热风机连接,纸张经过三段式干燥工艺处理,在保证托纸效果的同时确保热烘干效果,通过间接加热,达到使油墨迅速干燥的目的,确保产品质量。As shown in Fig. 1, a kind of paper drying device for the paper delivery section of the gravure printing machine, in the paper delivery warehouse of the paper delivery section of the gravure printing machine, a transmission channel 1 for conveying the printed paper is arranged, in the In the conveying channel 1, there are a number of supporting paper ducts 2 arranged below the paper conveying, and the conveying channel 1 is divided into the first natural air cooling section 1a, the hot air heating section 1b and the second natural air cooling section according to the paper conveying direction. 1c, the paper supporting air ducts 2 corresponding to the first natural air cooling section 1a and the second natural air cooling section 1c are respectively connected to cooling fans, and the paper supporting air ducts 2 corresponding to the hot air heating section 1b are connected to heating fans, The paper is processed by a three-stage drying process, which ensures the heat drying effect while ensuring the paper support effect. Through indirect heating, the ink can be dried quickly and the product quality can be ensured.
其中,在所述传输通道1内、若干排托纸风管2下方设置有封底隔板3,在所述传输通道1内、热风加热段1b对应段设置有封顶隔板4,所述封顶隔板4与封底隔板3对应配合形成纸张的加热通道,从而避免收纸仓热量的传导和影响其他印刷工艺环境;在所述传输通道1内设置有至少两套热传感器形成闭环控制,整个风道的温度达到恒温,温度控制精确达到0.1度,所述热传感器与PLC控制系统连接,其控制信号进入PLC控制系统,与机器控制联动,避免温度不符时进行产品印刷而造成产品质量作废。Wherein, in the transmission channel 1, a bottom-sealing partition 3 is arranged below several rows of paper air ducts 2, and a top-sealing partition 4 is arranged in the corresponding section of the hot-air heating section 1b in the transmission channel 1, and the top-sealing partition The plate 4 and the back cover partition 3 correspond to form a heating channel for the paper, thereby avoiding the conduction of heat in the delivery bin and affecting other printing process environments; at least two sets of thermal sensors are arranged in the transmission channel 1 to form a closed-loop control. The temperature of the channel reaches a constant temperature, and the temperature control is accurate to 0.1 degrees. The thermal sensor is connected to the PLC control system, and its control signal enters the PLC control system, which is linked with the machine control to avoid product printing when the temperature does not match, resulting in invalid product quality.
一种用于凹印机收纸部的纸张干燥工艺,所述纸张5经过凹印机印刷后进入凹印机收纸部的收纸仓内,所述纸张5在叼纸牙6的带动下,同时在托纸风的作用下进行收纸,所述纸张在进入收纸仓后经过三段式干燥,具体为:首先,印刷后的纸张进入收纸仓后先经过第一自然风冷却段进行冷却,其自然冷却风为该段对应托纸风管产生的托纸冷却风;然后,经过第一自然风冷却段冷却的纸张进入热风加热段进行加热,其用于加热的热风为该段对应托纸风管产生的托纸热风,通过加热收纸托纸风这一介质,在印刷过程中,托纸热风直接作用在单张纸表面上,促进油墨与纸张的结合,提高纸张温湿度一致性和纸张与油墨结合的干燥速度、效果;最后,经过热风加热段加热后的纸张进入第二自然风冷却段进行冷却,其自然冷却风为该段对应托纸风管产生的托纸冷却风,冷却后的纸张落入收纸仓。A paper drying process for the delivery section of a gravure printing machine, the paper 5 is printed by the gravure printing machine and enters the delivery bin of the delivery section of the gravure printing machine, and the paper 5 is driven by the grippers 6 At the same time, the paper is delivered under the action of the supporting wind, and the paper is dried in three stages after entering the delivery warehouse, specifically: first, the printed paper passes through the first natural wind cooling section after entering the delivery warehouse The natural cooling air is the paper cooling air generated by the corresponding paper air duct in this section; then, the paper cooled by the first natural air cooling section enters the hot air heating section for heating, and the hot air used for heating is the paper cooling air of this section. Corresponding to the paper-supporting hot air generated by the paper-supporting air duct, by heating the paper-receiving and paper-supporting air medium, during the printing process, the paper-supporting hot air directly acts on the surface of the single paper to promote the combination of ink and paper and increase the temperature and humidity of the paper Consistency and the drying speed and effect of the combination of paper and ink; finally, the paper heated by the hot air heating section enters the second natural air cooling section for cooling. Wind, the cooled paper falls into the delivery bin.
其中,所述热风加热段的托纸热风是由加热装置进行加热后的空气,所述加热后的空气通过对应的托纸风管作用于纸张表面,这样,能够有效避免因纸张燃点较低而引发安全事故,即使是停机后纸张至于热风加热段内,也不会出现纸张自燃的情况。Wherein, the paper-supporting hot air in the hot-air heating section is the air heated by the heating device, and the heated air acts on the surface of the paper through the corresponding paper-supporting air pipe, so that it can effectively avoid the Cause safety accidents, even if the paper is placed in the hot air heating section after the shutdown, the paper will not spontaneously ignite.
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention. within.
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| CN106183397A (en) * | 2016-08-25 | 2016-12-07 | 北京图文天地制版印刷有限公司 | A kind of device accelerating to print paper removal moisture drying |
| CN110447935A (en) * | 2019-07-19 | 2019-11-15 | 太湖县嘉鹰特种纸有限公司 | A drying process for edible paper drying production |
| CN114683676B (en) * | 2020-12-25 | 2024-01-12 | 杭州创嘉印刷文化有限公司 | Multicolor offset press |
| CN116100948B (en) * | 2023-02-24 | 2025-05-06 | 南京特麦奥包装材料有限责任公司 | Ink drying oven mechanism |
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| DE202008018404U1 (en) * | 2007-10-11 | 2013-09-20 | manroland sheetfed GmbH | Thermo-air drying device for effecting the drying of a printing material |
| KR20090122798A (en) * | 2008-05-26 | 2009-12-01 | 삼성테크윈 주식회사 | Heat treatment device capable of continuous reel to reel |
| KR101580997B1 (en) * | 2014-04-14 | 2015-12-29 | 김선기 | The heating roller device for Transfer fabric |
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| CN201365487Y (en) * | 2009-01-14 | 2009-12-23 | 圣昌达机械(天津)有限公司 | Multistage dryer with controllable humiture |
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| CN102041706A (en) * | 2010-11-18 | 2011-05-04 | 天津科技大学 | Device for drying paper with segmented heating metal tapes |
| CN201983594U (en) * | 2011-03-23 | 2011-09-21 | 上海煦康电子科技有限公司 | Tunnel-type drying and sintering furnace |
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| CN105667083A (en) | 2016-06-15 |
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Address after: 611130 No. 189, Golden Road, Wenjiang District, Sichuan, Chengdu Patentee after: CHENGDU BANKNOTE PRINTING Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 611130 No. 189, Golden Road, Wenjiang District, Sichuan, Chengdu Patentee before: CHENGDU BANKNOTE PRINTING Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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