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WO2014161283A1 - Système d'adsorption à vide pour une presse multicolore - Google Patents

Système d'adsorption à vide pour une presse multicolore Download PDF

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Publication number
WO2014161283A1
WO2014161283A1 PCT/CN2013/084668 CN2013084668W WO2014161283A1 WO 2014161283 A1 WO2014161283 A1 WO 2014161283A1 CN 2013084668 W CN2013084668 W CN 2013084668W WO 2014161283 A1 WO2014161283 A1 WO 2014161283A1
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WIPO (PCT)
Prior art keywords
opening
valve
vacuum adsorption
cam
vacuum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/084668
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English (en)
Chinese (zh)
Inventor
邱耀光
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2014161283A1 publication Critical patent/WO2014161283A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/16—Printing tables
    • B41F15/18—Supports for workpieces
    • B41F15/20—Supports for workpieces with suction-operated elements

Definitions

  • the present invention relates to the field of printing equipment, and more particularly to a vacuum adsorption system for a multicolor printer.
  • the vacuum substrate is usually used to fix the single-sheet substrate, that is, the substrate is placed on the platform station to be printed, and the vacuum-adsorbing substrate is used to fix the substrate, thereby preventing the substrate from being printed during the printing process. move.
  • a fixedly disposed vacuum pump is connected to a vacuum suction stage of a multicolor printing press through a pipe.
  • the printing platform needs a long distance movement, which is a non-linear reciprocating motion, and the vacuum adsorption of the vacuum adsorption table needs to be continuous, that is, from loading to printing. , including multiple print drying, until the material is cut, the entire dynamic process needs to maintain the vacuum adsorption state of the substrate without interruption.
  • the vacuum adsorption system is difficult to maintain the vacuum adsorption state of the substrate without interruption.
  • the technical problem to be solved by the present invention is that in the above-mentioned multi-color printing machine of the prior art, in the printing process, it is difficult for the vacuum adsorption system to continuously maintain the vacuum adsorption state defect of the substrate, and provide a kind of printing process which can The vacuum adsorption system of the multicolor printer that maintains the vacuum adsorption state of the substrate.
  • the technical solution adopted by the present invention to solve the technical problem thereof is to construct a vacuum adsorption system of a multicolor printing press, comprising a rotating wheel, a conveyor belt surrounding the rotating wheel, and a plurality of mounting on the conveyor belt for adsorption a vacuum adsorption stage of the substrate, a pipe connecting the plurality of vacuum adsorption stages, and a vacuum pump;
  • the pipe is a circulating pipe that communicates end to end, and the pipe surrounds the conveyor belt;
  • the vacuum adsorption system further includes installation At least two opening and closing devices on one end face of the rotating wheel, a plurality of first valves uniformly mounted on the conveyor belt and connected to the pipe, and a multi-channel rotary joint; wherein each of the opening and closing devices Connecting to the vacuum pump through the multi-channel rotary joint;
  • the distance between two adjacent first valves along the conveyor belt is equal to the distance between two adjacent opening and closing devices along the circumference of the rotating wheel;
  • At least one of the opening and closing devices pushes a spool of the first valve corresponding thereto such that a passage for gas communication is formed therebetween, thereby allowing the vacuum pump to communicate with the vacuum suction stage.
  • the vacuum adsorption system further includes a cam
  • a protruding portion of the cam is adjacent to a side of the rotating wheel contacting the conveyor belt; at least one of the opening and closing devices is in sliding contact with the protruding portion of the cam;
  • the opening and closing device in sliding contact with the protruding portion of the cam may push a spool of the first valve such that a passage for gas circulation is formed between the opening and closing device and the first valve;
  • the opening and closing device when the non-protrusion portion of the cam is in sliding contact is in a closed state.
  • the vacuum adsorption system further includes a fixed shaft; the rotating wheel is rotatably mounted on the fixed shaft; the cam is fixedly mounted on the fixed On the shaft.
  • the opening and closing device includes a second valve connected to the vacuum pump and fixedly mounted on one end surface of the rotating wheel, and a second valve a movable rod connected to the spool; the movable rod is slidably contactable with the cam and controls the second valve to open or close;
  • the opening and closing device further includes an elastic returning member; the movable end of the elastic returning member is coupled to the movable rod, and the elastic returning member is fixed The end is connected to the rotating wheel.
  • the elastic return member is a spring.
  • the movable rod pushes one end of the valve body of the first valve with a seal.
  • a bearing is mounted at one end of the movable lever in sliding contact with the cam.
  • the rotating wheel is a sprocket;
  • the conveyor belt is a chain that meshes with the sprocket.
  • the vacuum adsorption system of the multicolor printing machine embodying the invention has the following beneficial effects: the vacuum adsorption system of the multicolor printing machine adopts the structure of the opening and closing device and the first valve, and the multicolor printing machine can be in the printing process, and the vacuum adsorption system can A continuous vacuum adsorption state of the substrate is achieved.
  • FIG. 1 is a schematic structural view of a vacuum adsorption system of a multicolor printing press according to a preferred embodiment of the present invention
  • Fig. 2 is a schematic view showing the structure of the movable rod in contact with the cam in the vacuum adsorption system of the multicolor printing press shown in Fig. 1.
  • a preferred embodiment of the present invention provides a vacuum adsorption system for a multicolor printer comprising a rotating wheel 1, a conveyor belt 2, a opening and closing device 3, a first valve 4, and a vacuum suction station. (not shown), piping (not shown), vacuum pump (not shown), and multi-channel swivel joints.
  • the conveyor belt 2 is wound around the rotating wheel 1 and can be synchronized with the rotating wheel 1.
  • a plurality of vacuum adsorption stages are provided, and each vacuum adsorption stage is uniformly mounted on the conveyor belt 2.
  • Multi-color presses Vacuum printing stations can be used to adsorb substrates during printing operations.
  • Each vacuum adsorption stage is connected by a pipe.
  • the pipe is a circulating pipe that communicates end to end, and the pipe is wound around the conveyor belt 2 and can move synchronously with the belt 2.
  • the first valve 4 is provided in plurality, which are uniformly mounted on the conveyor belt 2, and each of the first valves 4 is connected to the pipe, respectively. It can be understood that as long as one of the plurality of first valves 4 is connected to the vacuum pump, the vacuum pump is connected to the vacuum adsorption stage, and the vacuum adsorption stage can be used to adsorb the substrate.
  • At least two opening and closing devices 3 are provided, which are evenly mounted on one end face of the rotating wheel 1, and the opening and closing device 3 is capable of moving as the rotating wheel 1 rotates.
  • Each opening and closing device 3 is connected to a vacuum pump, respectively.
  • each of the opening and closing devices 3 is connected to a vacuum pump through a multi-channel rotary joint.
  • the multi-channel rotary joint employs a multi-channel rotary joint that is common in the prior art, and the number of joints matches the number of opening and closing devices 3.
  • Each of the opening and closing devices 3 is connected to the vacuum pump through a multi-channel rotary joint, and since the joint connected to each of the opening and closing devices 3 can be kept connected to the vacuum pump during the rotation, when the vacuum pump is fixedly disposed, the opening and closing device 3 can be rotated during the rotation. Keep the connection to the vacuum pump.
  • the positional relationship between the first valve 4 and the opening and closing device 3 is such that the distance between the adjacent two first valves 4 along the conveyor belt 2 is equal to the distance between the adjacent two opening and closing devices 3 along the circumference of the rotating wheel 1.
  • the opening and closing device 3 can be brought into contact with the first valve 4 during the movement of the rotating wheel 1 and the conveyor belt 2.
  • the at least one opening and closing device 3 can push the valve core of the first valve 4 corresponding thereto, so that the opening and closing device 3 and the first valve 4 form a passage for gas circulation. . Since the vacuum pump is connected to the opening and closing device 3, at this time, the vacuum pump is sequentially connected to the vacuum adsorption stage through the opening and closing device 3, the first valve 4, and the vacuum adsorption stage can keep the vacuum adsorption stage in a state of adsorbing the substrate.
  • the vacuum adsorption system further includes a cam 5 and a fixed shaft 6.
  • the rotary wheel 1 is rotatably mounted on a fixed shaft 6, and the cam 5 is fixedly mounted on the fixed shaft 6. It can be understood that the cam 5 does not rotate as the rotating wheel 1 rotates.
  • the projection of the cam 5 is adjacent to the side of the contact portion of the rotating wheel 1 with the conveyor belt 2. Accordingly, the non-protrusion portion of the cam 5 is located on the side of the non-contact portion of the rotating wheel 1 and the conveyor belt 2.
  • at least one of the opening and closing devices 3 is in sliding contact with the projection of the cam 5.
  • the curvature of the convex portion of the cam 5 is equal, the curvature of the non-contact portion is also equal, and the convex portion and the non-protrusion portion smoothly transition to ensure smoothness when the opening and closing device 3 is in sliding contact with the cam 5.
  • Sex. It can be understood that the cam 5 can be replaced by a concave wheel as long as the convex portion of the concave wheel is close to the side of the contact portion of the rotating wheel 1 and the conveyor belt 2. In other embodiments, the cam 5 may have other alternative configurations.
  • the opening and closing device 3 When one end of the opening and closing device 3 is in sliding contact with the protruding portion of the cam 5, the other end of the first valve 4 pushes the valve body of the first valve 4 to form a passage for the gas to flow between the opening and closing device 3 and the first valve 4, and the vacuum pump operates.
  • the vacuum adsorption stage can be kept in a state of adsorbing the substrate.
  • the rotating wheel 1 is a sprocket.
  • the conveyor belt 2 is a chain that is meshed with the sprocket.
  • the chain drive has the advantages of accurate transmission ratio and reliable operation.
  • the opening and closing device 3 includes a second valve 31, a movable rod 32, and an elastic returning member (not shown).
  • the second valve 31 is connected to the vacuum pump and fixedly mounted on the end surface of the rotating wheel 1.
  • the movable lever 32 is coupled to the spool of the second valve 31.
  • the multi-color printing press can be in sliding contact with the cam 5 during the printing operation and control the second valve 31 to open or close.
  • the resilient return member is a spring. It can be understood that the elastic reset member can also adopt other structures that can realize automatic reset.
  • the opening and closing device 3 is provided with eight, which are uniformly mounted on the end faces of the rotating wheel 1.
  • the number of the first valves 4 is designed according to the size of the conveyor belt 2, and the distance between the adjacent two first valves 4 along the conveyor belt 2 is equal to the distance between the adjacent two opening and closing devices 3 along the circumference of the rotating wheel 1. .
  • the movable lever 32 drives the second valve 31 under the action of the cam 5.
  • the spool moves so that the second valve 31 is opened, at the same time, the movable rod 32 pushes the spool of the first valve 4, so that a passage for the gas to flow is formed between the first valve 4 and the second valve 31.
  • the vacuum pump sequentially communicates with the vacuum adsorption stage through the second valve 31 and the first valve 4, and the vacuum adsorption stage can keep the vacuum adsorption stage in a state of adsorbing the substrate.
  • the opening and closing device 3 When the opening and closing device 3 is rotated from the protruding portion of the cam 5 to the non-protruding portion of the cam 5, the movable lever 32 is disengaged from the first valve 4 by the elastic returning member. At this time, the first valve 4 The spool and the spool of the second valve 31 are automatically reset to remain closed.
  • the opening and closing device 3 comes into contact with the projection of the cam 5, the opening and closing device 3 comes into contact with the other first valve 4, thereby reciprocatingly circulating.
  • at least one opening and closing device 3 communicates with the first valve 4, so that the vacuum pump can communicate with the vacuum adsorption stage to ensure that the vacuum adsorption stage adsorbs the state of the substrate.
  • the number of the opening and closing devices 3 can also have other options.
  • the movable rod 32 pushes the end of the valve body of the first valve 4 with the sealing member 33.
  • the sealing performance when the first valve 4 and the second valve 31 are in communication can be improved.
  • the bearing 34 is attached to one end of the movable lever 32 in sliding contact with the cam 5.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)
  • Screen Printers (AREA)

Abstract

L'invention concerne un système d'adsorption à vide pour une presse multicolore qui comprend une roue rotative (1), une courroie de transport (2), une pluralité de plate-formes d'adsorption à vide, un tuyau reliant la pluralité de plate-formes d'adsorption à vide, une pompe à vide, au moins deux dispositif d'ouverture et de fermeture (3) montés sur une face d'extrémité de la roue rotative (1), plusieurs premières soupapes (4) montées sur la courroie de transport (2) et connectées au tuyau et un joint rotatif à plusieurs canaux. Chaque dispositif d'ouverture et de fermeture (3) est connecté à la pompe à vide par le biais du joint rotatif à plusieurs canaux, et au moins un dispositif de fermeture et d'ouverture (3) est en mesure de pousser un noyau de soupape de la première soupape (4) correspondant au dispositif d'ouverture et de fermeture de telle sorte qu'un canal de circulation de gaz soit formé entre le dispositif d'ouverture et de fermeture (3) et la première soupape (4); ceci permettant à la pompe à vide de communiquer avec les plates-formes d'adsorption à vide. En utilisant des structures telles que les dispositifs d'ouverture et de fermeture et les premières soupapes, au cours de l'impression de la presse multicolore, le système d'adsorption à vide permet une adsorption à vide continue pour des supports imprimés.
PCT/CN2013/084668 2013-04-03 2013-09-30 Système d'adsorption à vide pour une presse multicolore Ceased WO2014161283A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310116071.3A CN103203978B (zh) 2013-04-03 2013-04-03 多色印刷机的真空吸附系统
CN201310116071.3 2013-04-03

Publications (1)

Publication Number Publication Date
WO2014161283A1 true WO2014161283A1 (fr) 2014-10-09

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PCT/CN2013/084668 Ceased WO2014161283A1 (fr) 2013-04-03 2013-09-30 Système d'adsorption à vide pour une presse multicolore

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CN (1) CN103203978B (fr)
WO (1) WO2014161283A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113580654A (zh) * 2021-06-30 2021-11-02 东莞市皇盈自动化设备有限公司 一种用于包装盒加工的多工位转盘
CN115179651A (zh) * 2022-06-02 2022-10-14 晋江市绿雨彩色印刷有限公司 一种绿色环保印刷工艺及印刷设备
CN120132555A (zh) * 2025-05-13 2025-06-13 华夏富康环境科技有限公司 一种化学废气处理装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203978B (zh) * 2013-04-03 2014-11-19 深圳市科精诚印刷机械制造有限公司 多色印刷机的真空吸附系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658866A (en) * 1979-10-19 1981-05-22 Toshiba Corp Automatic screen printing apparatus
EP0456385A1 (fr) * 1990-05-11 1991-11-13 American Screen Printing Equipment Company Dispositif de distribution à dépression et procédé d'impression sérigraphique à écran plat
US5730048A (en) * 1997-01-06 1998-03-24 Averill; Michael J. System for the printing of small flat objects using direct rotary printing apparatus
JP2001191481A (ja) * 2000-01-11 2001-07-17 Miyakoshi Printing Machinery Co Ltd 平板部材用の連続多色印刷装置
CN103203978A (zh) * 2013-04-03 2013-07-17 邱耀光 多色印刷机的真空吸附系统
CN203142006U (zh) * 2013-04-03 2013-08-21 邱耀光 多色印刷机的真空吸附系统

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US5165340A (en) * 1991-03-06 1992-11-24 Karlyn William M Multicolor printing system for the silk-screen printing of compact discs
JPH1016189A (ja) * 1996-06-28 1998-01-20 Nippon Bunka Seiko Kk ディスク、カード等の印刷装置
DE19803617C1 (de) * 1998-01-30 1999-08-05 Kammann Maschf Werner Vorrichtung zum Dekorieren von Objekten
ITMI20040963A1 (it) * 2004-05-13 2004-08-13 Siasprint S R L Macchina da stampa serigrafica a piu' stazioni di lavoro
CN201109225Y (zh) * 2007-10-29 2008-09-03 陆新田 一种改良的丝网印花机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658866A (en) * 1979-10-19 1981-05-22 Toshiba Corp Automatic screen printing apparatus
EP0456385A1 (fr) * 1990-05-11 1991-11-13 American Screen Printing Equipment Company Dispositif de distribution à dépression et procédé d'impression sérigraphique à écran plat
US5730048A (en) * 1997-01-06 1998-03-24 Averill; Michael J. System for the printing of small flat objects using direct rotary printing apparatus
JP2001191481A (ja) * 2000-01-11 2001-07-17 Miyakoshi Printing Machinery Co Ltd 平板部材用の連続多色印刷装置
CN103203978A (zh) * 2013-04-03 2013-07-17 邱耀光 多色印刷机的真空吸附系统
CN203142006U (zh) * 2013-04-03 2013-08-21 邱耀光 多色印刷机的真空吸附系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113580654A (zh) * 2021-06-30 2021-11-02 东莞市皇盈自动化设备有限公司 一种用于包装盒加工的多工位转盘
CN115179651A (zh) * 2022-06-02 2022-10-14 晋江市绿雨彩色印刷有限公司 一种绿色环保印刷工艺及印刷设备
CN115179651B (zh) * 2022-06-02 2023-12-22 晋江市绿雨彩色印刷有限公司 一种环保印刷工艺及印刷设备
CN120132555A (zh) * 2025-05-13 2025-06-13 华夏富康环境科技有限公司 一种化学废气处理装置

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CN103203978B (zh) 2014-11-19
CN103203978A (zh) 2013-07-17

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