CN111823708B - Super magnetostriction material doctor blade feeding mechanism of flexographic printing machine - Google Patents
Super magnetostriction material doctor blade feeding mechanism of flexographic printing machine Download PDFInfo
- Publication number
- CN111823708B CN111823708B CN202010838721.5A CN202010838721A CN111823708B CN 111823708 B CN111823708 B CN 111823708B CN 202010838721 A CN202010838721 A CN 202010838721A CN 111823708 B CN111823708 B CN 111823708B
- Authority
- CN
- China
- Prior art keywords
- doctor blade
- feeding
- feeding mechanism
- pushing rod
- giant magnetostrictive
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000007639 printing Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000007774 anilox coating Methods 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 230000000452 restraining effect Effects 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007647 flexography Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/10—Applications of feed or duct rollers
- B41F31/12—Applications of feed or duct rollers adjustable for regulating supply
Abstract
The application provides a feeding mechanism of a super magnetostrictive material doctor blade of a flexible plate printer, which comprises a coarse feeding mechanism and a micro feeding mechanism; the coarse feeding mechanism comprises a motor arranged on the frame and a linear feeding assembly driven by the motor; the micro-feeding mechanism comprises a shell, a driving coil, a giant magnetostrictive sheet and a pushing rod, wherein the shell is arranged on the linear feeding assembly, the driving coil is arranged in the shell, the giant magnetostrictive sheet can be deformed under the action of a magnetic field of the driving coil, and the pushing rod is driven by the giant magnetostrictive sheet to realize micro-feeding; the doctor blade is arranged on the pushing rod, and the ink quantity of the anilox roller is controlled through the feeding movement of the doctor blade. The application can solve the problems of low feeding precision, large error and difficult accurate control of the ink supply amount of printing of the traditional doctor blade feeding mechanism.
Description
Technical Field
The application mainly relates to the field of printing equipment, in particular to a feeding mechanism of a super magnetostrictive material doctor blade of a flexographic printing machine.
Background
At present, in the field of printing equipment, the flexographic printing machine has wide applicability and is suitable for various flexible, rigid and rough-surface printing materials. The printing ink is water-based ink with high drying speed and no pollution, and has small printing pressure and good printing quality. High printing speed and high production efficiency. Has wide application prospect in mass and large-scale production.
Flexography passes ink through an anilox roller, which is provided in the press with a chambered doctor blade system, closing the two doctor blades, one acting as a doctor blade, the doctor blade being reversed, on top of the blade holder. The other scraper for forming a chamber and containing ink is forward and positioned at the bottom of the tool rest and contains ink. To improve the quality of flexographic printing, to ensure the ink supply effect and to improve the service life of the anilox roller, the angle formed by the doctor blade and the anilox roller and the distance between the doctor blade and the anilox roller are adjusted. At present, a mechanical adjusting device is used for a flexographic printing machine, the adjusting precision is low, the error is large, the adjustment is mostly based on experience, the printing ink supply amount is difficult to accurately control, and the printing precision is directly affected.
Disclosure of Invention
The application combines the prior art, and provides a feeding mechanism of a super magnetostrictive material doctor blade of a flexographic printing machine from practical application, which can solve the problems of low feeding precision, large error and difficult accurate control of the ink supply amount of printing of the traditional feeding mechanism of the doctor blade.
In order to achieve the above purpose, the technical scheme of the application is as follows:
a feeding mechanism of a super magnetostrictive material doctor blade of a flexographic printing machine comprises a coarse feeding mechanism and a micro feeding mechanism;
the coarse feeding mechanism comprises a motor arranged on the frame and a linear feeding assembly driven by the motor;
the micro-feeding mechanism comprises a shell, a driving coil, a giant magnetostrictive sheet and a pushing rod, wherein the shell is arranged on the linear feeding assembly, the driving coil is arranged in the shell, the giant magnetostrictive sheet can be deformed under the action of a magnetic field of the driving coil, and the pushing rod is driven by the giant magnetostrictive sheet to realize micro-feeding;
the doctor blade is arranged on the pushing rod, and the ink quantity of the anilox roller is controlled through the feeding movement of the doctor blade.
Further, the linear feed assembly comprises a ball screw connected with the motor and a nut in threaded engagement with the ball screw, and the housing is mounted on the nut.
Further, the driving coil is externally coated with a magnetic yoke for restraining the magnetic leakage of the driving coil from diffusing outwards.
Furthermore, the giant magnetostrictive thin sheet is designed into a circular arc shape of 14-20 degrees, and the pushing rod is arranged on one side of the circular arc-shaped bulge.
Further, the shell is a soft iron shell.
Further, the doctor blade is supported by a doctor blade holder.
The application has the beneficial effects that:
the application is a doctor blade feeding mechanism combining coarse feeding in a mechanical mode and micro feeding in a giant magnetostrictive material mode, in the feeding structure of the application, the ball screw replaces sliding in a common screw-nut pair by rolling of balls, and the friction force is small, and the feeding structure has good performance; the micro-feeding motion of the doctor blade is realized by using a giant magnetostrictive material as an actuating element; the giant magnetostrictive material has the advantages of large magnetostriction coefficient, low saturation magnetic field, high magnetic permeability, small hysteresis effect and high resonance frequency, and micro-feeding is realized by converting electromagnetic energy into mechanical energy for the movement of a doctor blade, so that the feeding structure can accurately control the ink quantity on the surface of an anilox roller, and realize the film thickness required by printing.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present application;
fig. 2 is a schematic view of the micro-feeding structure of the present application.
Detailed Description
The application will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the application, and equivalents thereof fall within the scope of the application as defined by the claims.
Fig. 1 and 2 are schematic diagrams of a doctor blade feeding mechanism according to an embodiment of the present application. The application relates to a doctor blade micro-feeding mechanism combining mechanical coarse feeding and micro-feeding of a giant magnetostrictive material mode.
In the present application, as shown in fig. 1, a doctor blade 10 is installed in a reverse direction to an anilox roller 12 to control the ink amount on the surface of the anilox roller 12. The coarse feeding motion of the doctor blade 10 is realized by driving the ball screw 3 through the servo motor 2 arranged on the frame 1, driving the nut 4 through the ball screw 3, converting the rotary motion of the ball screw 3 into the linear motion of the nut 4, and completing the feeding motion of the doctor blade 10 along the doctor blade seat 11.
In the present application, as shown in fig. 2, a sheet 5 of giant magnetostrictive material, a driving coil 6, and a yoke 7 are mounted in a soft iron case 8. The driving magnetic field generated by the electrified driving coil 6 acts on the giant magnetostrictive thin sheet 5 to deform the giant magnetostrictive thin sheet, and the magnetic yoke 7 restricts the magnetic leakage of the induction coil to diffuse outwards; the displacement is output through the pushing rod 9; the doctor blade 10 is mounted on the pushing rod 9, and when the pushing rod 9 moves slightly, the doctor blade 10 is driven to move slightly along the doctor blade seat 11.
As shown in the figure, the giant magnetostrictive material sheet 5 is designed into a circular arc shape with the angle of 14-20 degrees, the pushing rod 9 is positioned at one side of the circular arc-shaped bulge, the driving coil 6 is electrified to deform, and then the pushing rod 9 drives the doctor blade 10 to perform micro-feed motion, so that the ink quantity on the surface of the anilox roller 12 is controlled, and the film thickness required by printing is realized.
Claims (4)
1. A feeding mechanism of a super magnetostrictive material doctor blade of a flexographic printing machine is characterized by comprising a coarse feeding mechanism and a micro feeding mechanism;
the coarse feeding mechanism comprises a motor arranged on the frame and a linear feeding assembly driven by the motor;
the micro-feeding mechanism comprises a shell, a driving coil, a giant magnetostrictive sheet and a pushing rod, wherein the shell is arranged on the linear feeding assembly, the driving coil is arranged in the shell, the giant magnetostrictive sheet can be deformed under the action of a magnetic field of the driving coil, and the pushing rod is driven by the giant magnetostrictive sheet to realize micro-feeding;
the scraping knife is arranged on the pushing rod, and the ink quantity of the anilox roller is controlled through the feeding movement of the scraping knife;
the flexible plate the linear feeding assembly comprises a ball screw connected with the motor and a nut in threaded fit with the ball screw, and the shell is arranged on the nut;
the giant magnetostrictive thin sheet is designed into a circular arc shape with the angle of 14-20 degrees, and the pushing rod is arranged on one side of the circular arc-shaped bulge;
the doctor blade micro-feeding mechanism is formed by combining mechanical coarse feeding and micro-feeding of a giant magnetostrictive material mode, the doctor blade and the anilox roller are reversely arranged, the ink quantity on the surface of the anilox roller is controlled, the coarse feeding motion of the doctor blade is realized by driving a ball screw through a servo motor arranged on a rack, the ball screw drives a nut to convert the rotary motion of the ball screw into the linear motion of the nut, and the coarse feeding motion of the doctor blade is realized;
the giant magnetostrictive material sheet, the driving coil and the magnetic yoke are arranged in the soft iron shell, and a driving magnetic field generated by the electrified driving coil acts on the giant magnetostrictive material sheet to deform the giant magnetostrictive material sheet, so that the magnetic yoke restricts the magnetic leakage of the induction coil to diffuse outwards; outputting displacement through a pushing rod; the doctor blade is arranged on the pushing rod, and when the pushing rod moves slightly, the doctor blade is driven to move slightly along the doctor blade seat.
2. The feeding mechanism of a super magnetostrictive material doctor blade for a flexographic printing machine according to claim 1, wherein the driving coil is externally coated with a magnetic yoke for restraining the magnetic flux leakage of the driving coil from diffusing outwards.
3. The flexible printing machine super magnetostrictive material doctor blade feeding mechanism according to claim 1, wherein the casing is a soft iron casing.
4. A feeding mechanism for a super magnetostrictive material doctor blade of a flexographic printing machine according to claim 1, wherein the doctor blade is supported by a doctor blade holder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010838721.5A CN111823708B (en) | 2020-08-19 | 2020-08-19 | Super magnetostriction material doctor blade feeding mechanism of flexographic printing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010838721.5A CN111823708B (en) | 2020-08-19 | 2020-08-19 | Super magnetostriction material doctor blade feeding mechanism of flexographic printing machine |
Publications (2)
Publication Number | Publication Date |
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CN111823708A CN111823708A (en) | 2020-10-27 |
CN111823708B true CN111823708B (en) | 2023-12-08 |
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CN202010838721.5A Active CN111823708B (en) | 2020-08-19 | 2020-08-19 | Super magnetostriction material doctor blade feeding mechanism of flexographic printing machine |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5040459A (en) * | 1983-07-09 | 1991-08-20 | Heidelberger Druckmaschinen Ag | Device for metering ink in offset printing machines |
US5603263A (en) * | 1995-09-08 | 1997-02-18 | Heidelberger Druckmaschinen Ag | Scraper blade and ink scavenger for printing presses |
DE102009045559A1 (en) * | 2009-10-12 | 2011-04-14 | Manroland Ag | Method for operating color deck of printing machine, involves providing color box in color deck and holding printing color in color box |
CN103465622A (en) * | 2013-09-29 | 2013-12-25 | 李付军 | Zone control ink transferring device on printing machine |
CN212353264U (en) * | 2020-08-19 | 2021-01-15 | 静宁县恒达有限责任公司 | Feeding mechanism for giant magnetostrictive material doctor blade of flexible plate printing machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60109754T2 (en) * | 2001-05-17 | 2006-02-09 | Veslatec Oy | Adjusting mechanism for color squeegee |
-
2020
- 2020-08-19 CN CN202010838721.5A patent/CN111823708B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5040459A (en) * | 1983-07-09 | 1991-08-20 | Heidelberger Druckmaschinen Ag | Device for metering ink in offset printing machines |
US5603263A (en) * | 1995-09-08 | 1997-02-18 | Heidelberger Druckmaschinen Ag | Scraper blade and ink scavenger for printing presses |
DE102009045559A1 (en) * | 2009-10-12 | 2011-04-14 | Manroland Ag | Method for operating color deck of printing machine, involves providing color box in color deck and holding printing color in color box |
CN103465622A (en) * | 2013-09-29 | 2013-12-25 | 李付军 | Zone control ink transferring device on printing machine |
CN212353264U (en) * | 2020-08-19 | 2021-01-15 | 静宁县恒达有限责任公司 | Feeding mechanism for giant magnetostrictive material doctor blade of flexible plate printing machine |
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CN111823708A (en) | 2020-10-27 |
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