CN113478952A - Closed rotary screen printing scraper device - Google Patents

Closed rotary screen printing scraper device Download PDF

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Publication number
CN113478952A
CN113478952A CN202110742233.9A CN202110742233A CN113478952A CN 113478952 A CN113478952 A CN 113478952A CN 202110742233 A CN202110742233 A CN 202110742233A CN 113478952 A CN113478952 A CN 113478952A
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CN
China
Prior art keywords
scraper
ink
rotary screen
frame
scraper blade
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.)
Granted
Application number
CN202110742233.9A
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Chinese (zh)
Other versions
CN113478952B (en
Inventor
朱小鹏
贺跃东
孟非然
赵钰
张龙
刘刚
林晨
李芯雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Aerospace Huayang Electrical And Mechanical Equipment Co ltd
Original Assignee
Xi'an Aerospace Huayang Electrical And Mechanical Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xi'an Aerospace Huayang Electrical And Mechanical Equipment Co ltd filed Critical Xi'an Aerospace Huayang Electrical And Mechanical Equipment Co ltd
Priority to CN202110742233.9A priority Critical patent/CN113478952B/en
Publication of CN113478952A publication Critical patent/CN113478952A/en
Application granted granted Critical
Publication of CN113478952B publication Critical patent/CN113478952B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/44Squeegees or doctors
    • B41F15/46Squeegees or doctors with two or more operative parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/34Screens, Frames; Holders therefor
    • B41F15/38Screens, Frames; Holders therefor curved
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/40Inking units
    • B41F15/42Inking units comprising squeegees or doctors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/02Ducts, containers, supply or metering devices
    • B41F31/04Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/02Ducts, containers, supply or metering devices
    • B41F31/08Ducts, containers, supply or metering devices with ink ejecting means, e.g. pumps, nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00Screen printing machines
    • B41P2215/10Screen printing machines characterised by their constructional features
    • B41P2215/12Screens

Abstract

The invention discloses a closed rotary screen printing scraper device, which comprises a scraper frame penetrating into a printing rotary screen, wherein an ink outlet strip-shaped opening is formed in the side wall of the scraper frame, an ink homogenizing plate is arranged at the position, corresponding to the ink outlet strip-shaped opening, on the side wall of the scraper frame, a fixed scraper blade and a movable scraper blade are respectively arranged at two sides of the ink homogenizing plate, one ends, far away from the ink homogenizing plate, of the fixed scraper blade and the movable scraper blade are abutted against the inner side wall of the printing rotary screen, an ink cavity is formed among the fixed scraper blade, the movable scraper blade, the inner side wall of the printing rotary screen and the ink homogenizing plate, the scraper frame is connected with an ink conveying pipe, the ink conveying pipe is connected with an ink pump, and the driving end of the ink pump is connected with a servo motor. The invention discloses a closed rotary screen printing scraper device, which solves the problems that ink supply in the prior art is in an open form, is easy to volatilize and deteriorate outwards, and pollutes the environment.

Description

Closed rotary screen printing scraper device
Technical Field
The invention belongs to the technical field of printing and dyeing equipment, and relates to a closed rotary screen printing scraper device.
Background
On a rotary screen printing device, a scraper device is one of indispensable devices of a rotary screen printing unit. Because of the peculiar structure of rotary screen printing device, traditional rotary screen printing scraper is open scraping ink structure, and scraper and rotary screen inner wall form one and store up the china ink district, and open form is adopted in the supply of printing ink, externally volatilizees easily and rottens, the polluted environment, and can not recycle, printing ink viscosity is uncontrollable.
Disclosure of Invention
The invention aims to provide a closed rotary screen printing scraper device, which solves the problems that ink supply in the prior art is in an open form, is easy to volatilize and deteriorate outwards, and pollutes the environment.
The technical scheme includes that the closed rotary screen printing scraper device comprises a scraper frame penetrating into a printing rotary screen, an ink strip-shaped port is formed in the side wall of the scraper frame, an ink homogenizing plate is arranged at the position, corresponding to the ink strip-shaped port, of the side wall of the scraper frame, a fixed scraper blade and a movable scraper blade are arranged on two sides of the ink homogenizing plate respectively, one ends, far away from the ink homogenizing plate, of the fixed scraper blade and the movable scraper blade are abutted to the inner side wall of the printing rotary screen, an ink cavity is formed among the fixed scraper blade, the movable scraper blade, the inner side wall of the printing rotary screen and the ink homogenizing plate, the scraper frame is connected with an ink conveying pipe, the ink conveying pipe is connected with an ink pump, the ink pump is driven by a servo motor, and a pressure sensor on the ink path controls the servo motor to adjust the rotating speed.
The present invention is also characterized in that,
the scraper frame and the ink conveying pipe are connected through a quick-change connector.
Both ends of the scraper frame are respectively connected with a plug and an ink conveying pipe.
The upper side wall and the lower side wall of the scraper frame are respectively fixed with a scraper installation upper support and a scraper installation lower support, and the scraper frame is fixed through the scraper installation upper support and the scraper installation lower support.
And one side of the even ink plate is fixedly connected with a scraper blade pressing plate through a bolt, and the fixed scraper blade is extruded between the even ink plate and the scraper blade pressing plate through the scraper blade pressing plate.
The opposite side of even china ink board is provided with the gasbag splint of U type, and the U type opening of gasbag splint is back to even china ink board, and the U type inner chamber of gasbag splint is provided with the gasbag, scrapes the end that stretches out that is provided with the U type on the knife rest, and the U type opening that stretches out the end is relative with the U type opening of gasbag splint, and gasbag splint are placed in stretching out the end, and the gasbag is located the space that two U types formed.
The scraper frame is provided with a pressure sensor at one end close to the ink conveying pipe, the pressure sensor is electrically connected with a servo motor, and the pressure sensor on the ink path controls the servo motor to adjust the rotating speed through electric signals.
The invention has the beneficial effects that:
1. the invention adopts a closed scraper structure, changes the open storage state of the ink in the circular screen, reduces the contact between the ink and the air, reduces the volatilization of the ink, and maintains the ink proportion unchanged during printing.
2. The invention adopts the servo motor to control the ink supply amount of the ink pump, realizes no ink accumulation residue in the cylinder, saves printing ink and is beneficial to cleaning the cylinder.
Drawings
FIG. 1 is a side view of a closed rotary screen printing doctor apparatus of the present invention;
FIG. 2 is a front view of a closed rotary screen printing doctor apparatus of the present invention;
FIG. 3 is a schematic structural diagram of an ink homogenizing plate in the closed rotary screen printing scraper device.
In the figure, 1, a printing cylinder, 2, a scraper frame, 3, a scraper blade pressing plate, 4, a fixed scraper blade, 5, an ink cavity, 6, a movable scraper blade, 7, an air bag clamping plate, 8, an ink homogenizing plate, 9, a plug, 10, an air bag, 11, a scraper installation upper support, 12, a scraper installation lower support, 13, a pressure sensor, 14, a quick-change connector, 15, an ink conveying pipe, 16, an ink pump, 17, a servo motor and 18, an ink outlet strip-shaped opening are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a closed rotary screen printing scraper device, which is structurally shown in figure 1 and comprises a scraper frame 2 arranged in a printing rotary screen 1 in a penetrating manner, wherein the side wall of the scraper frame 2 is provided with an ink strip-shaped port 18, an ink homogenizing plate 8 is arranged at the position, corresponding to the ink strip-shaped port 18, on the side wall of the scraper frame 2, two sides of the ink homogenizing plate 8 are respectively provided with a fixed scraper 4 and a movable scraper 6, one ends, far away from the ink homogenizing plate 8, of the fixed scraper 4 and the movable scraper 6 are abutted against the inner side wall of the printing rotary screen 1, the fixed scraper 4, the movable scraper 6, an ink cavity 5 is formed between the inner side wall of the printing rotary screen 1 and the ink homogenizing plate 8, the scraper frame 2 is connected with an ink conveying pipe 15, the ink conveying pipe 15 is connected with an ink pump 16, and the ink pump 16 is connected with a servo motor 17.
The doctor holder 2 and the ink feed tube 15 are connected by means of a quick-change coupling 14.
The upper side wall and the lower side wall of one end of the scraper frame 2 are respectively fixed with a scraper mounting upper support 11 and a scraper mounting lower support 12, and the scraper frame 2 is supported and fixed through the scraper mounting upper support 11 and the scraper mounting lower support 12.
Even ink board 8 one side is through bolt fixedly connected with scraper blade clamp plate 3, and fixed scraper blade 4 extrudes between even ink board 8 and scraper blade clamp plate 3 through scraper blade clamp plate 3.
The opposite side of even china ink board 8 is provided with the gasbag splint 7 of U type, and the U type opening of gasbag splint 7 is back to even china ink board 8, is provided with gasbag 10 in the U type of gasbag splint 7, scrapes the end that stretches out that is provided with the U type on the knife rest 2, and the U type opening that stretches out the end is relative with the U type opening of gasbag splint 7, and gasbag splint 7 is placed in stretching out the end, and gasbag 10 is located the space that two U types formed, and gasbag 10 is connected with the trachea.
The scraper frame 2 is also provided with a pressure sensor 13 at one end close to the ink conveying pipe 15, the pressure sensor 13 is electrically connected with a servo motor 17, and the electric signal of the pressure sensor 13 on the ink path controls the servo motor 17 to adjust the rotating speed.
The scraper frame 2 is tubular, and two ends of the scraper frame are respectively connected with a plug 9 and an ink conveying pipe 15.
The ink distributing groove on the ink distributing plate 8 is designed into a structure shown in fig. 3, and ink in the scraper frame 2 can be uniformly distributed in the ink cavity 5 in the printing width direction, so that the ink pressure of the whole ink cavity in the printing width direction is consistent.
The servo motor 17 drives the ink pump 16 to send ink into the scraper frame 2 through the ink conveying pipe 15, the ink flows out to the ink homogenizing plate 8 through the ink outlet strip-shaped port 18, the ink is uniformly extruded into the ink cavity 5 between the fixed scraper 4 and the movable scraper 6 through the ink homogenizing plate 8, the fixed scraper 4, the movable scraper 6 and the printing circular net 1 form a closed cavity 5, the printing ink is printed on a printing stock through a hollow pattern part on the printing circular net 1, the air bag 10 can quickly lock the movable scraper 6 through the pressurizing air bag clamping plate 7, one end of the scraper frame 2 is closed through the plug 9, one end of the scraper frame 2 is connected with the ink conveying pipe 15, the scraper frame 2 is connected with the printing stock through the quick-change connector 14 for convenient disassembly, the scraper frame 2 is fixed on the circular net printing machine frame through the scraper mounting upper support 11 and the scraper mounting lower support 12, the pressure sensor 13 mounted on the scraper frame 2 measures the ink pressure in the ink cavity 5, the servo motor 17 is adjusted to control the ink supply amount of the ink pump 16 so as to achieve the balance of the ink supply and demand.
The invention realizes the closed storage of the printing ink in the rotary screen by adopting a double-scraper-blade ink scraping mode, drives the ink pump in a servo mode, and accurately supplies the ink to achieve the balance of the supply and demand of the printing ink.

Claims (7)

1. The utility model provides a closed rotary screen printing scraper device, its characterized in that, including wear to establish scraper frame (2) in printing rotary screen (1), scraper has seted up out black bar mouth (18) on the scraper frame (2) lateral wall, scrape on the scraper frame (2) lateral wall and correspond the position department of going out black bar mouth (18) is provided with even ink board (8), the both sides of even ink board (8) are provided with fixed scraper blade (4) and activity scraper blade (6) respectively, the one end that even ink board (8) were kept away from to fixed scraper blade (4) and activity scraper blade (6) is supported in printing rotary screen (1) inside wall, form china ink chamber (5) between fixed scraper blade (4), activity scraper blade (6), printing rotary screen (1) inside wall and even ink board (8), scraper frame (2) are connected with defeated china ink pipe (15), defeated china ink pipe (15) are connected with china ink pump (16), the driving end of the ink pump (16) is connected with a servo motor (17) through an electric signal.
2. A closed rotary screen printing doctor apparatus according to claim 1, characterised in that the doctor holder (2) and the inking tube (15) are connected by means of a quick-change coupling (14).
3. A closed rotary screen printing scraper device according to claim 1, characterized in that the scraper frame (2) is connected at its two ends with a plug (9) and an ink feed tube (15), respectively.
4. The closed rotary screen printing scraper device according to claim 1, wherein the upper and lower side walls of the scraper frame (2) are respectively fixed with a scraper mounting upper support (11) and a scraper mounting lower support (12), and the scraper frame (2) is supported and fixed by the scraper mounting upper support (11) and the scraper mounting lower support (12).
5. A closed rotary screen printing scraper device according to claim 1, characterized in that a scraper blade pressing plate (3) is fixedly connected to one side of the ink distribution plate (8) through a bolt, and the fixed scraper blade (4) is pressed between the ink distribution plate (8) and the scraper blade pressing plate (3) through the scraper blade pressing plate (3).
6. A closed rotary screen printing scraper device according to claim 5, characterized in that the other side of the ink distribution plate (8) is provided with a U-shaped air bag clamping plate (7), the U-shaped opening of the air bag clamping plate (7) faces away from the ink distribution plate (8), an air bag (10) is arranged in the U-shaped air bag clamping plate (7), the scraper frame (2) is provided with a U-shaped extending end, the U-shaped opening of the extending end is opposite to the U-shaped opening of the air bag clamping plate (7), the air bag clamping plate (7) is placed in the extending end, and the air bag (10) is located in a space formed by the two U-shaped openings.
7. A closed rotary screen printing scraper device according to claim 1, wherein a pressure sensor (13) is further arranged at one end of the scraper frame (2) close to the ink feed pipe (15), and the pressure sensor (13) is electrically connected with the servo motor (17).
CN202110742233.9A 2021-06-30 2021-06-30 Closed rotary screen printing scraper device Active CN113478952B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110742233.9A CN113478952B (en) 2021-06-30 2021-06-30 Closed rotary screen printing scraper device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110742233.9A CN113478952B (en) 2021-06-30 2021-06-30 Closed rotary screen printing scraper device

Publications (2)

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CN113478952A true CN113478952A (en) 2021-10-08
CN113478952B CN113478952B (en) 2023-02-03

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Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613635A (en) * 1969-03-13 1971-10-19 Freudenberg Carl Apparatus for the spot application of adhesives to continuous sheet material
DE3200571A1 (en) * 1982-01-12 1983-07-21 Mathias 4815 Schloss Holte Mitter Slotted squeegee inside a screen cylinder or the like
US5095816A (en) * 1990-02-20 1992-03-17 Riso Kagaku Mimeographic printing machine
US5191709A (en) * 1990-08-10 1993-03-09 Nippon Cmk Corp. Method of forming through-holes in printed wiring board
CN202753563U (en) * 2012-08-02 2013-02-27 姜方财 Closed type ink scraping system of intaglio press
US20130047877A1 (en) * 2011-08-25 2013-02-28 Cheol Jun YOO Squeeze apparatus
CN103213389A (en) * 2013-04-20 2013-07-24 浙江超伟机械有限公司 Printing and dyeing mechanism of a printing machine
CN103496250A (en) * 2013-08-29 2014-01-08 江苏宇天港玻新材料有限公司 Slit coater
CN204235999U (en) * 2014-11-03 2015-04-01 嘉善圣士得毛皮服饰有限公司 A kind of ROTARY SCREAM PRINTING give sizing device
CN205238806U (en) * 2015-12-02 2016-05-18 江苏爵尚壁纸有限公司 Seal machine is scraped to mould
CN205311064U (en) * 2015-12-17 2016-06-15 天津市嘉惠宝地毯有限公司 Circular screen printer gives thick liquid, scraping printing device
CN105751687A (en) * 2014-12-16 2016-07-13 财团法人金属工业研究发展中心 Slit type scraper structure
CN205522969U (en) * 2015-10-22 2016-08-31 绍兴飞亚印染有限公司 Circular screen printing machine
CN207535464U (en) * 2017-10-12 2018-06-26 杭州嘉濠印花染整有限公司 A kind of environment-friendly type reactive printing device of fabric
CN108556463A (en) * 2018-05-13 2018-09-21 吴长海 A kind of screen process press
CN108819459A (en) * 2018-06-28 2018-11-16 徐州美亚纺织有限公司 A kind of circular screen printer elastic metallic scraer printing system
CN108995356A (en) * 2018-06-28 2018-12-14 徐州美亚纺织有限公司 A kind of circular screen printer magnetic roller scraer printing system
CN109080253A (en) * 2018-06-15 2018-12-25 浙江省邮电印刷股份有限公司 Offset press

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613635A (en) * 1969-03-13 1971-10-19 Freudenberg Carl Apparatus for the spot application of adhesives to continuous sheet material
DE3200571A1 (en) * 1982-01-12 1983-07-21 Mathias 4815 Schloss Holte Mitter Slotted squeegee inside a screen cylinder or the like
US5095816A (en) * 1990-02-20 1992-03-17 Riso Kagaku Mimeographic printing machine
US5191709A (en) * 1990-08-10 1993-03-09 Nippon Cmk Corp. Method of forming through-holes in printed wiring board
US20130047877A1 (en) * 2011-08-25 2013-02-28 Cheol Jun YOO Squeeze apparatus
CN202753563U (en) * 2012-08-02 2013-02-27 姜方财 Closed type ink scraping system of intaglio press
CN103213389A (en) * 2013-04-20 2013-07-24 浙江超伟机械有限公司 Printing and dyeing mechanism of a printing machine
CN103496250A (en) * 2013-08-29 2014-01-08 江苏宇天港玻新材料有限公司 Slit coater
CN204235999U (en) * 2014-11-03 2015-04-01 嘉善圣士得毛皮服饰有限公司 A kind of ROTARY SCREAM PRINTING give sizing device
CN105751687A (en) * 2014-12-16 2016-07-13 财团法人金属工业研究发展中心 Slit type scraper structure
CN205522969U (en) * 2015-10-22 2016-08-31 绍兴飞亚印染有限公司 Circular screen printing machine
CN205238806U (en) * 2015-12-02 2016-05-18 江苏爵尚壁纸有限公司 Seal machine is scraped to mould
CN205311064U (en) * 2015-12-17 2016-06-15 天津市嘉惠宝地毯有限公司 Circular screen printer gives thick liquid, scraping printing device
CN207535464U (en) * 2017-10-12 2018-06-26 杭州嘉濠印花染整有限公司 A kind of environment-friendly type reactive printing device of fabric
CN108556463A (en) * 2018-05-13 2018-09-21 吴长海 A kind of screen process press
CN109080253A (en) * 2018-06-15 2018-12-25 浙江省邮电印刷股份有限公司 Offset press
CN108819459A (en) * 2018-06-28 2018-11-16 徐州美亚纺织有限公司 A kind of circular screen printer elastic metallic scraer printing system
CN108995356A (en) * 2018-06-28 2018-12-14 徐州美亚纺织有限公司 A kind of circular screen printer magnetic roller scraer printing system

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