WO2018064787A1 - 印刷放纸系统装置 - Google Patents

印刷放纸系统装置 Download PDF

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Publication number
WO2018064787A1
WO2018064787A1 PCT/CN2016/000553 CN2016000553W WO2018064787A1 WO 2018064787 A1 WO2018064787 A1 WO 2018064787A1 CN 2016000553 W CN2016000553 W CN 2016000553W WO 2018064787 A1 WO2018064787 A1 WO 2018064787A1
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Prior art keywords
paper
tensioning
cylinder
frame
tension
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PCT/CN2016/000553
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English (en)
French (fr)
Inventor
刘翠娥
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刘翠娥
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Priority to PCT/CN2016/000553 priority Critical patent/WO2018064787A1/zh
Publication of WO2018064787A1 publication Critical patent/WO2018064787A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines

Definitions

  • the utility model relates to the field of printing machine printing, in particular to a printing and discharging system device.
  • a printing press is a machine that prints text and images.
  • Some printing machines are not highly automated, and the running reliability is poor. Some steps need to be performed manually, and the operation is not very convenient.
  • the web offset press is different from the single-sheet offset press. It is characterized by fast printing speed and high production efficiency. Therefore, it has great advantages in some fields that require high-volume printing (such as newspaper printing).
  • the market for reprogramming presses is growing. In recent years, various web offset presses have emerged in the world market. However, these offset presses are all designed for the printing of fixed-format paper. For the printing of the variable version, it has not been seen.
  • the wide-format variable-format web offset press is a bottleneck in technology and has not been reported until now.
  • the invention and development of printing presses play an important role in the spread of human civilization and culture.
  • the development of the printing industry has gradually changed from a relatively simple type of typography to the current popular use of offset printing and the growing digital printing model.
  • the belief behind this kind of development model is, of course, based on manufacturers' demands for continuous improvement of production efficiency and improvement of product competitiveness and quality in the market.
  • Modern printing presses generally consist of a mechanism such as a unwinding unit, a printing unit, and a winding unit. It works by first making a plate and image to be printed on a printing press, then applying the ink to the place where the text and image are printed on the printing plate by hand or by a printing machine, and then directly or indirectly Printed on paper or other substrates (such as textiles, metal sheets, plastics, leather, wood, glass, and ceramics) to replicate the same print as the plate.
  • a mechanism such as a unwinding unit, a printing unit, and a winding unit. It works by first making a plate and image to be printed on a printing press, then applying the ink to the place where the text and image are printed on the printing plate by hand or by a printing machine, and then directly or indirectly Printed on paper or other substrates (such as textiles, metal sheets, plastics, leather, wood, glass, and ceramics) to replicate the same print as the plate.
  • the unwinding unit stretches and stretches the roll that has been rolled into a cylinder to make it into a strip shape, which can meet the requirements of the printing unit.
  • the unwinding unit of the printing press acts as the initial step in printing and plays a key role throughout the printing process.
  • the paper roll must be neat and smooth, and there should be no deviation. If it is slightly biased, it may cause the printing to deviate from the specified position. It may even cause the large-scale printed products to be out of specification, which not only affects the normal operation of the printing machine, but also reduces the normal operation of the printing machine. Production efficiency, and affect the quality of printed products.
  • the utility model provides a printing and discharging system device, which is simple in design and convenient to use. It can prevent the paper from being too loose, automatically adjust the paper tension, ensure the paper tension is constant, the printing is stable, the printing machine works normally, and the production efficiency is improved.
  • the printing and discharging system device comprises a frame, a driving motor, a paper discharge reel, a paper roll, a conveying roller, a cylinder, an angle iron support, a driving motor is mounted at a lower end of the frame, and the driving motor is connected to the paper discharging reel through a trapezoidal tooth timing belt.
  • the two ends of the paper discharge reel are mounted on the frame, the paper roll is wound with a paper roll, the angle iron is supported, the lower end is connected to the upper end of the cylinder, the lower end of the cylinder is fixed on the frame, and the angle iron support is equipped with a conveying roller and paper on the paper roll. Pass through between the transfer rolls in sequence.
  • the tensioning mechanism is designed between the driving motor and the paper take-up reel.
  • the tensioning mechanism is installed under the oblique direction of the trapezoidal toothed timing belt, and the tensioning mechanism is mounted on one side of the frame.
  • the tensioning mechanism includes the tensioning pin and the bearing.
  • the tension pin is located in the tension ring, and two bearings are installed between the tension pin and the tension ring, the bearing There is a spacer between the two sides, and the outer side of the bearing is provided with a retaining ring, and the upper end of the tensioning plate is connected with one end of the tensioning pin, the tensioning support is mounted on the frame, and the screw square block is mounted on the frame below the tensioning support.
  • the tensioning slide is fixedly connected to the frame through the tensioning support and the screw square block, and the lower end of the tensioning slide is fixed at the other end of the tensioning support, and the bolt is screwed into one end of the screw square block and passes through the connection tensioning skateboard. At the lower end, the bolt is locked to the screw square block by a nut.
  • the cylinder is controlled by a pneumatic system.
  • the pneumatic system includes a solenoid valve, a check valve, a pressure reducing valve and a pipeline.
  • the intake pipeline is connected to the solenoid valve inlet.
  • the solenoid valve is connected to the two ends of the cylinder in two ways. The lower end of the cylinder and the solenoid valve
  • the pipeline is divided into two ways, one is connected with a one-way valve, the other is connected with a one-way valve and a pressure reducing valve, and then the two channels are again connected to the solenoid valve.
  • the angle iron supports a potentiometer on the rotating support shaft on both sides.
  • the design of the potentiometer can effectively ensure the positional action of the angle iron support, whether it remains unchanged, or move up or down, thus giving a simple command to make the cylinder system and the drive motor move, so that the angle iron support returns to the set position, ensuring The tension of the paper is constant.
  • the utility model has the advantages that the tension can be adjusted according to the tension, and the tension of the paper roll can be adjusted to ensure the effective operation of the printing work and the quality of the product; the position of the angle iron support is maintained by the monitoring potentiometer, and the paper is placed once changed.
  • the paper roll or take-up action ensures the tension of the paper is unchanged; the ingenious design of the pneumatic system ensures that the cylinder rises quickly and slows down, preventing rapid decline and damage to the paper; the utility model has unique design, novel concept and strong practicability. Therefore, the utility model has broad market prospects.
  • Figure 1 is a schematic view of the present invention.
  • FIG. 2 is a schematic view of a partial cylinder and an angle iron support of the present invention.
  • FIG 3 is a schematic view of a partial drive motor and a tensioning mechanism of the present invention.
  • FIG. 4 is a schematic view of a partial tensioning mechanism of the present invention.
  • Figure 5 is a schematic view of the "B" zone of the tensioning mechanism of the present invention.
  • Figure 6 is a schematic view of the pneumatic system of the cylinder of the present invention.
  • a printing and discharging system apparatus includes a frame 1, a driving motor 2, a paper discharge reel 3, a paper roll 4, a conveying roller 5, a cylinder 6, an angle iron support 7, and a driving motor 2 mounted on the machine.
  • the driving motor 2 is connected to the paper discharge reel 3 via a trapezoidal tooth timing belt 26.
  • the two ends of the paper discharge reel 3 are mounted on the frame 1, and the paper reel 3 is wound with a paper roll 4, and the angle iron support 7 is connected to the lower end.
  • the lower end of the cylinder 6 is fixed to the frame 1, and the angle iron support 7 is provided with a conveying roller 5, and the sheets 8 on the paper roll 4 are sequentially passed between the conveying rollers 5.
  • a tensioning mechanism 9 is disposed between the drive motor 2 and the paper take-up reel 3, the tensioning mechanism 9 is mounted obliquely below the trapezoidal tooth timing belt 26, and the tensioning mechanism 9 is mounted on one side of the frame.
  • the tensioning mechanism 9 includes the tension pin 10, the bearing 11, the retaining ring 12, the spacer 13, the tension ring 14, the tensioning slide 15, the tensioning support 16 and the screw square support 17, and the tension pin 10 Located in the tension ring 14, and two bearings 11 are installed between the tension pin 10 and the tension ring 14, a spacer 13 is arranged between the bearings 11, and a ring 12 is arranged on the outer side of the bearing 11, and the upper end of the slider 15 is tightened.
  • the end of the tension pin 10 is connected, the tensioning support 16 is mounted on the frame 1, the screw square block 17 is mounted on the frame 1 below the tensioning support 16, and the tensioning slide 15 is passed through the tensioning support 16 and the screw
  • the square support block 17 is fixedly connected to the frame 1, and the lower end side of the tension slide plate 15 is fixed at the other end of the tension support seat 16, and the bolt is screwed into one end of the screw square support block 17 and passes through the lower end of the connection tension slide plate 15, the bolt 18 It is locked to the screw square block 17 by a nut 19.
  • the cylinder 6 is controlled by a pneumatic system 20 including a solenoid valve 21, a check valve 22, a pressure reducing valve 23 and a line 24, the intake line 25 being connected to the solenoid valve 21 inlet, the solenoid valve 21 points and two ways are connected to the two ends of the cylinder 6.
  • the line between the lower end of the cylinder 6 and the solenoid valve 21 is divided into two paths, one way is connected with the one-way valve 22, the other is connected with the one-way valve 22 and the pressure reducing valve 23, and then two ways The confluence is again connected to the solenoid valve 21.
  • a potentiometer is mounted on the rotating fulcrum of the angle iron support 7.
  • the paper of the paper roll is sequentially passed between the conveying rollers, and then the tension of the tensioning mechanism is adjusted by adjusting the bolts and nuts of the tensioning mechanism, and the tension of the conveying roller in the angle iron support acts on the paper.
  • the potentiometer senses that the angle iron support and the conveying roller are entirely lowered, indicating that the tension is small and the driving is small.
  • the motor will move, and the paper take-up reel will rotate in the reverse direction, and the paper will be recovered and tightened, so that the angle iron support and the conveying roller will rise as a whole and return to the set position.
  • the potentiometer senses that the angle iron support and the conveying roller rise as a whole.
  • the driving motor will move, and the paper take-up reel is driven forward to carry out the paper feeding, so that the angle iron support and the conveying roller are integrally lowered to the set position, which is to ensure The angle iron support and the conveying roller are integrally set at the set position to ensure the effective printing work and the quality of the product; wherein the angle iron support and the conveying roller are integrally connected to the cylinder, and the cylinder also cooperates with the angle iron support and the conveying roller.
  • the solenoid valve moves, the air supply directly draws air from the left side of the system, the right side deflates, and the venting gas passes through the check valve in the middle.

Abstract

印刷放纸系统装置，它包括机架（1）、驱动电机（2）、放纸卷轴（3）、纸卷（4）、传送辊（5）、气缸（6）、角铁支撑（7），驱动电机（2）装在机架（1）下端，驱动电机（2）通过梯形齿同步带（26）连接放纸卷轴（3），放纸卷轴（3）两端装在机架（1）上，放纸卷轴（3）外绕有纸卷（4），角铁支撑（7）后下端连接气缸（6）上端，气缸（6）下端固定在机架（1）上，角铁支撑（7）上装有传送辊（5），纸卷（4）上的纸张（8）依次从传送辊（5）之间穿过。该装置的优点是可以根据张力变化调整用于调整纸卷的张力，便于保证印刷工作的有效进行和产品的质量；通过监测电位器确保角铁支撑保持位置不变，一旦变化就使放纸卷轴做放纸或收纸动作，确保纸张的张力不变；气动系统的巧妙设计确保气缸上升快速，下降时缓慢，防止快速下降损坏纸张；该装置设计独特，构思新颖，具有很强的实用性，因此具有广阔的市场前景。

Description

印刷放纸系统装置 技术领域
本实用新型涉及印刷机放纸领域，具体涉及一种印刷放纸系统装置。
背景技术
印刷机是印刷文字和图像的机器。目前市面上的印刷机种类很多，但是普遍还存在一些问题：一些印刷机的自动化程度不高，运行可靠性差，有些步骤需要人工进行，操作起来不是很方便。卷筒胶印机有别于单张胶印机，它的特点就是印刷速度快，生产效率高，因此在一些需要大批量印刷的领域(如报纸的印刷等)，它具有非常大的优势，也因此改种印刷机的市场越来越大。近几年来，在世界市场上，各种各样的卷筒胶印机层出不穷，但是，这些胶印机都是针对固定版面纸张的印刷而设计的印刷机，对于可变版版面的印刷则尚未见到，特别是宽幅可变版面的卷筒胶印机，在技术上是一个瓶颈，至今一直未见报端。印刷机的发明和发展，对于人类文明和文化的传播具有重要作用。印刷业的发展由比较简单的活版印刷方式，渐渐转变为现时普遍采用的柯式印刷及日渐茁壮成长的数码印刷模式。而推动此种发展模式的背后信念，当然是根据厂家对不断改良生产效率及提高产品在市场上之竞争力和质量的诉求下出现。
故此，各种实践厂家生产指标的印刷及其它加工机械设备，正以一日千里的速度，配合并超越厂家的期望下不断在市场上涌现。现代印刷机一般由放卷单元、印刷单元和收卷单元等机构组成。它的工作原理是：先将要印刷的文字和图像制成印版，装在印刷机上，然后由人工或印刷机把墨涂敷于印版上有文字和图像的地方，再直接或间接地转印到纸或其他承印物(如纺织品、金属板、塑胶、皮革、木板、玻璃和陶瓷)上，从而复制出与印版相同的印刷品。
但是，当这些先进的机械正在日以继夜地朝向生产目标前进时，很多运作上的相关“小问题”也会随之出现。放卷单元顾名思义就是将已经卷成圆筒的纸卷进行拉伸舒展，使其成为条状，能够满足印刷单元的要求。印刷机的放卷单元做为印刷的起始步骤，在整个印刷过程起着关键的作用。在放卷过程中，纸卷必须整齐平稳，不能有偏差，稍微有点偏差，便有可能使印刷偏离指定位置，甚至有可能导致大批量的印刷成品不合规格，不仅影响印刷机的正常工作，降低了生产效率，而且影响了印刷成品的质量。
发明问题
为了解决上述问题，本实用新型的提出一种印刷放纸系统装置，设计简单，使用方便， 能够防止纸张太松问题，自动调节纸张张力，保证纸张张力恒定，则印刷平稳，印刷机正常工作，生产效率提高。
为了达到上述发明目的，本实用新型提出了以下技术方案：
印刷放纸系统装置，它包括机架、驱动电机、放纸卷轴、纸卷、传送辊、气缸、角铁支撑，驱动电机装在机架下端，驱动电机通过梯形齿同步带连接放纸卷轴，放纸卷轴两端装在机架上，放纸卷轴外绕有纸卷，角铁支撑后下端连接气缸上端，气缸下端固定在机架上，角铁支撑上装有传送辊，纸卷上的纸张依次从传送辊之间穿过。
所述的驱动电机与放纸卷轴之间设计有涨紧机构，涨紧机构装在梯形齿同步带斜下方，涨紧机构装在一侧机架上，涨紧机构包括涨紧销、轴承、挡圈、隔套、涨紧圈、涨紧滑板、涨紧支座和螺杆方支座，涨紧销位于涨紧圈内，且涨紧销与涨紧圈之间装有两个轴承，轴承之间装有隔套，轴承外侧装有挡圈，涨紧滑板上端连接涨紧销一端，涨紧支座装在机架上，螺杆方支块装在涨紧支座下方的机架上，涨紧滑板通过涨紧支座和螺杆方支块固定连接在机架上，涨紧滑板下端一侧固定在涨紧支座另一端，螺栓旋进螺杆方支块一端并穿过连接涨紧滑板下端，螺栓通过螺母锁紧在螺杆方支块上。
所述的气缸通过气动系统控制动作，气动系统包括电磁阀、单向阀、减压阀和管路，进气管路连接电磁阀进口，电磁阀分两路连接气缸两端，气缸下端与电磁阀之间管路分为两路，一路连接有单向阀，另一路连接单向阀和减压阀，然后两路再次汇合连接到电磁阀上。
所述的角铁支撑两侧旋转支轴上装有电位器。电位器的设计能有效确保角铁支撑的位置动作，是否保持不变，还是向上或向下动作，从而给出简单指令，使气缸系统和驱动电机动作，使角铁支撑回复设定位置，确保纸张的张力恒定。
本实用新型的优点是可以根据张力变化调整，用于调整纸卷的张力，便于保证印刷工作的有效进行和产品的质量；通过监测电位器确保角铁支撑保持位置不变，一旦变化就放纸卷轴放纸或收纸动作，确保纸张的张力不变；气动系统的巧妙设计确保气缸上升快速，下降时缓慢，防止快速下降损坏纸张；本实用新型设计独特，构思新颖，具有很强的实用性，因此本实用新型具有广阔的市场前景。
附图说明
图1是本实用新型的示意图。
图2是本实用新型的局部气缸和角铁支撑的示意图。
图3是本实用新型的局部驱动电机和涨紧机构的示意图。
图4是本实用新型的局部涨紧机构的示意图。
图5是本实用新型的涨紧机构“B”区的示意图。
图6是本实用新型的气缸的气动系统示意图。
具体实施方式
为了对本实用新型进一步说明介绍，下面结合说明书附图来介绍：
参照附图1-2，印刷放纸系统装置，它包括机架1、驱动电机2、放纸卷轴3、纸卷4、传送辊5、气缸6、角铁支撑7，驱动电机2装在机架1下端，驱动电机2通过梯形齿同步带26连接放纸卷轴3，放纸卷轴3两端装在机架1上，放纸卷轴3外绕有纸卷4，角铁支撑7后下端连接气缸6上端，气缸6下端固定在机架1上，角铁支撑7上装有传送辊5，纸卷4上的纸张8依次从传送辊5之间穿过。
参照图3-5，所述的驱动电机2与放纸卷轴3之间设计有涨紧机构9，涨紧机构9装在梯形齿同步带26斜下方，涨紧机构9装在一侧机架1上，涨紧机构9包括涨紧销10、轴承11、挡圈12、隔套13、涨紧圈14、涨紧滑板15、涨紧支座16和螺杆方支座17，涨紧销10位于涨紧圈14内，且涨紧销10与涨紧圈14之间装有两个轴承11，轴承11之间装有隔套13，轴承11外侧装有挡圈12，涨紧滑板15上端连接涨紧销10一端，涨紧支座16装在机架1上，螺杆方支块17装在涨紧支座16下方的机架1上，涨紧滑板15通过涨紧支座16和螺杆方支块17固定连接在机架1上，涨紧滑板15下端一侧固定在涨紧支座16另一端，螺栓旋进螺杆方支块17一端并穿过连接涨紧滑板15下端，螺栓18通过螺母19锁紧在螺杆方支块17上。
参照图6，所述的气缸6通过气动系统20控制动作，气动系统20包括电磁阀21、单向阀22、减压阀23和管路24，进气管路25连接电磁阀21进口，电磁阀21分两路连接气缸6两端，气缸6下端与电磁阀21之间管路分为两路，一路连接有单向阀22，另一路连接单向阀22和减压阀23，然后两路再次汇合连接到电磁阀21上。
所述的角铁支撑7的旋转支轴上装有电位器。
本实用新型使用时，纸卷的纸张依次从传送辊之间穿过，然后通过调节涨紧机构的螺栓和螺母，调节涨紧机构的松紧度，角铁支撑内的传送辊在纸张的张力作用下，保持在电位器设置的位置，一旦张力变小，角铁支撑和传送辊整体就会在重力的作用下下降，电位器感应到角铁支撑和传送辊整体下降，说明张力变小，驱动电机就会动作，反向带动放纸卷轴转动，把纸张回收拉紧，使角铁支撑和传送辊整体上升，回到设置位置，当纸张张力过大时，角铁支撑和传送辊就会上升，电位器感应到角铁支撑和传送辊整体上升，这时驱动电机就会动作，正向带动放纸卷轴运转，进行放纸，使使角铁支撑和传送辊整体下降到设置位置，就是确保 使角铁支撑和传送辊整体在设定的设置位置，确保印刷工作的有效进行和产品的质量；其中角铁支撑和传送辊整体连接在气缸上，气缸也会同时配合角铁支撑和传送辊整体上升下降做出相应动作，根据气缸系统的特殊设计，气缸上升时电磁阀动作则供气直接从系统左侧进气，右侧放气，放气从中间的单向阀正通过，左侧无法通过，最终连接到电磁阀放气，中间没有任何空气流通阻碍，上升迅速保证效率；气缸需要下降时，电磁阀动作，气体从左边的单向阀通过，再次进过减压阀，是空气缓慢进入气缸，使气缸缓慢下降，气缸另一侧气体直接回到电磁阀释放，由于减压阀的设计确保气缸下降缓慢，从而保证角铁支撑和传送辊整体缓慢下降，防止迅速下降，把纸张损坏。

Claims (4)

  1. 印刷放纸系统装置，其特征是它包括机架、驱动电机、放纸卷轴、纸卷、传送辊、气缸、角铁支撑，驱动电机装在机架下端，驱动电机通过梯形齿同步带连接放纸卷轴，放纸卷轴两端装在机架上，放纸卷轴外绕有纸卷，角铁支撑后下端连接气缸上端，气缸下端固定在机架上，角铁支撑上装有传送辊，纸卷上的纸张依次从传送辊之间穿过。
  2. 根据权利要求1所述的印刷放纸系统装置，其特征是所述的驱动电机与放纸卷轴之间设计有涨紧机构，涨紧机构装在梯形齿同步带斜下方，涨紧机构装在一侧机架上，涨紧机构包括涨紧销、轴承、挡圈、隔套、涨紧圈、涨紧滑板、涨紧支座和螺杆方支座，涨紧销位于涨紧圈内，且涨紧销与涨紧圈之间装有两个轴承，轴承之间装有隔套，轴承外侧装有挡圈，涨紧滑板上端连接涨紧销一端，涨紧支座装在机架上，螺杆方支块装在涨紧支座下方的机架上，涨紧滑板通过涨紧支座和螺杆方支块固定连接在机架上，涨紧滑板下端一侧固定在涨紧支座另一端，螺栓旋进螺杆方支块一端并穿过连接涨紧滑板下端，螺栓通过螺母锁紧在螺杆方支块上。
  3. 根据权利要求1所述的印刷放纸系统装置，其特征是所述的气缸通过气动系统控制动作，气动系统包括电磁阀、单向阀、减压阀和管路，进气管路连接电磁阀进口，电磁阀分两路连接气缸两端，气缸下端与电磁阀之间管路分为两路，一路连接有单向阀，另一路连接单向阀和减压阀，然后两路再次汇合连接到电磁阀上。
  4. 根据权利要求1所述的印刷放纸系统装置，其特征是所述的角铁支撑旋转支轴上装有电位器。
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