CN114889311A - Anti-blocking and anti-flying ink cleaning device of gravure printing machine - Google Patents
Anti-blocking and anti-flying ink cleaning device of gravure printing machine Download PDFInfo
- Publication number
- CN114889311A CN114889311A CN202210566308.7A CN202210566308A CN114889311A CN 114889311 A CN114889311 A CN 114889311A CN 202210566308 A CN202210566308 A CN 202210566308A CN 114889311 A CN114889311 A CN 114889311A
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- Prior art keywords
- ink
- roller
- hanging
- gravure
- swing arm
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- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 238000007646 gravure printing Methods 0.000 title claims description 9
- 238000007790 scraping Methods 0.000 claims abstract description 48
- 238000007639 printing Methods 0.000 claims abstract description 22
- 230000009191 jumping Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/10—Doctors, scrapers, or like devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/061—Inking devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/10—Doctors, scrapers, or like devices
- B41F9/1018—Doctors, scrapers, or like devices using a wiping cylinder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a blockage-preventing and flying-preventing ink cleaning device of an intaglio printing press, and aims to overcome the defect that the quality of a printed matter is influenced because a scraper is jumped due to too high impact force between ink and the scraper caused by too much ink when the existing intaglio roller cleans the ink. The gravure roller comprises a gravure roller, an ink scraping roller and a scraper, wherein the side wall of the ink scraping roller is provided with a mesh hole; in an application state, the gravure roller carrying the printing ink firstly passes through the ink scraping roller and then passes through the scraper. The ink scraping amount of the blank area of the gravure roller is reduced through the ink scraping of the ink scraping roller, the impact between the ink and the scraper is reduced, the phenomenon of knife jumping is improved, and the printing stability is improved.
Description
Technical Field
The invention relates to the field of printing gravure printing machines, in particular to an anti-blocking and anti-flying ink cleaning device of a gravure printing machine.
Background
The printing process of the existing intaglio printing press is to bring the ink to the intaglio roller by the rotation of the intaglio roller, to ensure that the ink only remains in the cells of the image-text part after scraping the redundant ink, and to transfer the ink to the surface of the printing stock under the action of a larger pressure rubber roller, so as to obtain the printed matter.
The ink applied to the surface of the gravure roller by the ink delivery roller is saturated ink amount in the printing process, and the saturated ink amount is driven by the high-speed rotation of the gravure roller in the printing process to generate high-speed impact force with the scraper to generate the phenomenon of scraper jumping. Therefore, the application aims at realizing the anti-blocking and anti-flying ink cleaning device of the gravure printing machine and improving the knife shaking condition of the jumping knife.
Disclosure of Invention
The invention overcomes the defects that the scraper is jumped due to overhigh impact force between ink and the scraper and the quality of a printed matter is influenced because the existing gravure roller has too much ink when cleaning the ink, and provides the anti-blocking and anti-flying ink cleaning device of the gravure printing machine.
In order to solve the technical problems, the invention adopts the following technical scheme:
the anti-blocking and anti-flying ink cleaning device of the gravure printing machine comprises a gravure roller, an ink scraping roller and a scraper, wherein the side wall of the ink scraping roller is provided with a mesh hole; in an application state, the gravure roller carrying the printing ink firstly passes through the ink scraping roller and then passes through the scraper.
The intaglio printing press comprises a gravure roll and an ink cartridge, wherein the ink cartridge has ink therein, and the lower surface of the gravure roll is immersed in the ink. When the gravure roller rotates, saturated ink can be brought out. The ink scraping roller is firstly contacted with the gravure roller, a part of redundant ink on the surface of the gravure roller is scraped, the amount of the ink after the gravure roller passes through the ink scraping roller is greatly reduced, and the phenomenon of cutter jumping of the ink when the ink passes through the scraper is avoided. The scraper can stably scrape the ink in the blank area of the gravure roller clean.
Preferably, the gravure printing machine further comprises swing arms, the swing arms are arranged on two sides of the axial direction of the gravure roller, one end of the ink scraping roller is fixedly connected with one swing arm, the other end of the ink scraping roller is fixedly connected with the other swing arm, the middle of each swing arm is rotatably connected with a fixed shaft, the fixed shaft is fixedly connected onto a machine frame of the printing machine, and a first elastic piece is connected between each swing arm and the machine frame. By providing the first elastic member, the abutment between the wiping roller and the gravure roller is made non-rigid, and the force therebetween is maintained within a range. The structure can avoid causing the injury to gravure roller.
Preferably, the wiping roller is connected to one end of the swing arm, and the first elastic member is connected to the other end of the swing arm, so that the wiping roller and the gravure roller are kept in contact with each other by the principle of leverage.
Preferably, a scraping plate is fixedly connected to one end, close to the scraping roller, of the swing arm, the scraping plate abuts against the end portion of the gravure roller, and the scraping plate scrapes the end face of the gravure roller, so that ink splashing is avoided.
Preferably, the doctor blade is fitted over the doctor roller, a second elastic member is provided between the doctor blade and the doctor roller, the second elastic member is fitted over the doctor roller, and the abutment between the doctor blade and the gravure roller is non-rigid and the forces therebetween are maintained within a common range.
Preferably, the swing arm is provided with a hanging and buckling block, the rack is fixedly connected with a hanging and buckling device, the hanging and buckling device comprises a hanging and buckling frame and a hanging and buckling rod, one end of the hanging and buckling frame is fixedly connected with the rack, the other end of the hanging and buckling frame is rotatably connected with the hanging and buckling rod, the hanging and buckling rod is elastically connected with the hanging and buckling frame, a hanging and buckling part is arranged on the hanging and buckling rod, the hanging and buckling part is provided with a hanging and buckling wedge face for guiding the hanging and buckling rod to rotate and a hook adaptive to the hanging and buckling block, and the hanging and buckling wedge face is located on a rotating path of the swing arm. When the gravure shaft is replaced, the swing arm can be hung through the hanging and buckling device, so that the scraper and the ink scraping roller are not in the original positions any more and the installation of the gravure roller is interfered.
Preferably, the ink scraping plate comprises a first plate, the first plate is provided with an ink facing surface, the projection of the ink facing surface is parallel to the width direction of the gravure roller or inclines towards the direction far away from the swing arm on the plane perpendicular to the axial direction of the ink scraping roller, the movement direction of the ink after the ink hits the ink facing surface is limited by the shape of the ink facing surface, and the ink only moves downwards, so that the ink scraping effect is ensured.
Preferably, the first plate is higher at an end closer to the gravure roll than at an end farther from the gravure roll in the axial direction of the wiping roller, and guides the ink toward the gravure roll to avoid the ink from flying outward.
Preferably, the ink box is further included, the ink scraping plate comprises a second plate, the second plate is provided with an ink guiding surface, the projection of the ink guiding surface is directed to the ink box on a plane perpendicular to the axial direction of the ink scraping roller, and ink falling from the ink facing surface falls onto the ink guiding surface on the second plate and falls into the ink box along the direction of the ink guiding surface.
Preferably, the side walls of the wiping roller are flexible.
Compared with the prior art, the invention has the beneficial effects that: (1) by scraping ink by the ink scraping roller, the blank area inking amount of the gravure roller is reduced, the impact between the ink and a scraper is reduced, the phenomenon of knife jumping is improved, and the printing stability is improved; (2) ink scraping is carried out to the setting, so that the ink flying phenomenon is reduced, the ink waste is reduced, the printing rejection rate is effectively reduced, and the quality of printed matters is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic left side view of the present invention;
FIG. 4 is a schematic top view of the present invention;
in the figure:
the gravure roller comprises a gravure roller 1, a wiping roller 2, a scraper 3, a swing arm 4, a fixed shaft 5, a frame 6, a first elastic part 7, a wiping plate 8, a second elastic part 9, a hanging buckle frame 10, a hanging buckle rod 11, a hanging buckle wedge surface 12, a hook 13, a hanging buckle block 14, an elastic part 15, a first plate 16, an ink facing surface 17, an ink box 18, a second plate 19 and an ink guiding surface 20.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example (b):
the utility model provides an ink cleaning device is prevented flying by anti-drag of intaglio press, as shown in fig. 1 to 3, including gravure roller 1 that the lateral wall is equipped with the pocket, wiping roller 2, swing arm 4, ink horn 18 and scraper 3, ink cleaning device installs in the frame 6 of printing machine, swing arm 4 sets up in gravure roller 1 axial direction both sides, a swing arm 4 is connected to wiping roller 2's one end, another swing arm 4 is connected to wiping roller 2's the other end, swing arm 4 middle part is rotated and is connected with fixed axle 5, fixed axle 5 fixed connection is in the frame 6 of printing machine. The side wall of the ink scraping roller 2 is abutted with the side wall of the gravure roller 1; in the application state, the gravure roll 1 carrying the ink passes through the wiping roller 2 and then the scraper 3.
In this embodiment, the side walls of the wiping roller 2 are flexible. Specifically, the wiping roller 2 includes a hard roller member body and a flexible layer fitted around the outside thereof. In other possible embodiments, the flexible layer and the roller body are integrally formed through a vulcanization process. In other possible embodiments, the wiping roller 2 is entirely flexible.
In this embodiment, one end of the wiping roller 2 is fixedly connected with a swing arm 4, and the other end of the wiping roller 2 is fixedly connected with another swing arm 4.
In another possible embodiment, the oscillating arm 4 has a through hole for positioning the wiping roller 2, the through hole having a thick section adapted to the wiping shaft and into which the wiping roller 2 is inserted, the end face of the wiping roller 2 having a first friction plate, the thin section being connected to an adjusting screw, the end of the adjusting screw having a second friction plate, the first friction plate and the second friction plate abutting. The thin section is provided with internal threads and is in threaded connection with the adjusting screw rod. The friction force between the first friction plate and the second friction plate is adjusted in a threaded connection mode. The wiping roller 2 is static when the impact of the ink on the gravure roll 1 is small, and the wiping roller 2 can be rotated adaptively when the impact of the ink is excessive. The structure can avoid the damage of overlarge pressure on the gravure roller 1 caused by overlarge impact force.
In this embodiment, a first elastic member 7 is connected between the swing arm 4 and the frame 6. The first elastic piece 7 is arranged, so that the abutting joint between the ink scraping roller 2 and the gravure roller 1 is non-rigid, the force between the ink scraping roller 2 and the gravure roller 1 is maintained in a range, the gravure roller 1 can be prevented from being damaged, the ink scraping roller 2 is connected with one end of the swing arm 4, the first elastic piece 7 is connected with the other end of the swing arm 4, and the abutting joint between the ink scraping roller 2 and the gravure roller 1 is maintained by utilizing a lever principle. Wherein the first elastic member 7 is a spring.
In this embodiment, a doctor blade 8 is fixedly connected to one end of the swing arm 4 close to the doctor roller 2, the doctor blade 8 abuts against an end portion of the gravure roller 1, and the doctor blade 8 scrapes an end surface of the gravure roller 1, so as to avoid ink splashing. The ink scraping plate 8 is sleeved on the ink scraping roller 2, a second elastic part 9 is arranged between the ink scraping plate 8 and the ink scraping roller 2, the second elastic part 9 is sleeved on the ink scraping roller 2, the abutting joint between the ink scraping plate 8 and the gravure roller 1 is non-rigid, and the force between the ink scraping plate 8 and the gravure roller 1 is maintained in a range. Wherein the second elastic element 9 is also a spring.
The ink scraping plate 8 comprises a first plate 16, the first plate 16 is provided with an ink facing surface 17, the projection of the ink facing surface 17 is parallel to the width direction of the gravure roller 1 or inclines towards the direction far away from the swing arm 4 on the plane vertical to the axial direction of the ink scraping roller 2, the movement direction of the ink after the ink hits the ink facing surface 17 is limited by the shape of the ink facing surface 17, and the ink only moves downwards, so that the ink scraping effect is ensured. The end of the first plate 16 closer to the gravure roll 1 is higher than the end farther from the gravure roll 1 in the axial direction of the wiping roll 2, guiding the ink to move in the direction of the gravure roll 1, avoiding its outward flying.
In one embodiment, the ink facing surface 17 is horizontal, and in other embodiments, the end of the ink facing surface 17 close to the swing arm 4 is inclined to the end far away from the swing arm 4.
The doctor blade 8 comprises a second plate 19, which second plate 19 is provided with an ink guiding surface 20, the projection of which surface 20, in a plane perpendicular to the axial direction of the doctor roller 2, is directed towards the ink chamber 18, and ink falling from the ink facing surface 17 falls onto the ink guiding surface 20 on the second plate 19, into the ink chamber 18 in the direction of the ink guiding surface 20. The second plate 19 is thicker than the first plate 16 in the longitudinal direction of the gravure roll 1, and one end of the second plate 19, which is far from the gravure roll 1, is inclined toward the end close to the gravure roll 1.
In the present embodiment, the first plate 16 and the second plate 19 are integrally structured.
As shown in fig. 4, a hanging buckle block 14 is arranged on the swing arm 4, a hanging buckle device is fixedly connected to the frame 6, the hanging buckle device comprises a hanging buckle frame 10 and a hanging buckle rod 11, one end of the hanging buckle frame 10 is fixedly connected to the frame 6, the other end of the hanging buckle frame 10 is rotatably connected to the hanging buckle rod 11, the hanging buckle rod 11 is elastically connected to the hanging buckle frame 10, a hanging buckle portion is arranged on the hanging buckle rod 11, the hanging buckle portion is provided with a hanging buckle wedge surface 12 and a hook 13 for guiding the hanging buckle rod 11 to rotate, and the hanging buckle wedge surface 12 is located on a rotation path of the swing arm 4. When the gravure shaft is replaced, the swing arm 4 can be hung through the hanging and buckling device, so that the scraper 3 and the ink scraping roller 2 are no longer in the original position and interfere with the installation of the gravure roller 1. When the hanging buckle is used, the swing arm 4 is rotated, and the swing arm 4 is abutted to the hanging buckle wedge surface 12, so that the hanging buckle rod 11 overcomes the elastic piece 15 to rotate. After the swing arm 4 passes through, the hanging and buckling rod 11 is reset, and the hook 13 is reset to block the hanging and buckling block 14 on the swing arm 4, so that the hanging and buckling effect is realized. The intaglio printing press comprises a gravure roll 1 and an ink cartridge 18, the ink cartridge 18 having ink therein, the lower surface of the gravure roll 1 being immersed in the ink. When the gravure roll 1 rotates, saturated ink is brought out. The ink scraping roller 2 is firstly contacted with the gravure roller 1 to scrape a part of redundant ink on the surface of the gravure roller 1, the amount of the ink after the gravure roller 1 passes through the ink scraping roller 2 is greatly reduced, and the phenomenon of cutter jumping of the ink when the ink passes through the scraper 3 is avoided. The scraper 3 can stably scrape the ink on the blank area of the gravure roll 1. ' Qiyi
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (10)
1. The anti-blocking and anti-flying ink cleaning device of the gravure printing machine is characterized by comprising a gravure roller, an ink scraping roller and a scraper, wherein the side wall of the ink scraping roller is provided with a mesh hole; in an application state, the gravure roller carrying the printing ink firstly passes through the ink scraping roller and then passes through the scraper.
2. The anti-blocking and anti-flying ink cleaning device of the intaglio printing press as claimed in claim 1, further comprising swing arms disposed at both sides of the intaglio roller in the axial direction, wherein one end of the wiping roller is fixedly connected with one swing arm, the other end of the wiping roller is fixedly connected with the other swing arm, a fixed shaft is rotatably connected to the middle of the swing arms, the fixed shaft is fixedly connected to the frame of the printing press, and a first elastic member is connected between the swing arms and the frame.
3. The apparatus of claim 2, wherein the wiping roller is coupled to one end of a swing arm, and the first elastic member is coupled to the other end of the swing arm.
4. The anti-drag and anti-flying ink cleaning device of the intaglio printing press as recited in claim 2, wherein a doctor plate is fixedly connected to one end of the swing arm near the doctor roller, and the doctor plate abuts against an end of the intaglio roller.
5. The apparatus of claim 1, wherein the doctor blade is mounted to the doctor roller with a second resilient member interposed therebetween, the second resilient member being mounted to the doctor roller.
6. The anti-blocking and anti-flying ink cleaning device of the intaglio printing press as claimed in claim 2, wherein a hanging block is arranged on the swing arm, a hanging device is fixedly connected to the frame, the hanging device comprises a hanging frame and a hanging rod, one end of the hanging frame is fixedly connected to the frame, the other end of the hanging frame is rotatably connected to the hanging rod, the hanging rod is elastically connected to the hanging frame, a hanging portion is arranged on the hanging rod, the hanging portion has a hanging wedge surface for guiding the hanging rod to rotate and a hook adapted to the hanging block, and the hanging wedge surface is located on a rotation path of the swing arm.
7. The apparatus according to claim 4, wherein the wiping plate comprises a first plate having an ink-receiving surface, and a projection of the ink-receiving surface on a plane perpendicular to an axial direction of the wiping roller is parallel to a width direction of the gravure roller or inclined away from the swing arm.
8. The apparatus according to claim 7, wherein the first plate is higher at an end thereof closer to the gravure roll than at an end thereof farther from the gravure roll in an axial direction of the wiping roller.
9. The apparatus of claim 4, further comprising a cartridge, wherein the doctor plate comprises a second plate having an ink guide surface, wherein a projection of the ink guide surface is directed toward the cartridge in a plane perpendicular to an axial direction of the doctor roller.
10. The apparatus of claim 1, wherein the side walls of the wiping roller are flexible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566308.7A CN114889311B (en) | 2022-05-24 | 2022-05-24 | Anti-blocking anti-flying ink cleaner for intaglio press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566308.7A CN114889311B (en) | 2022-05-24 | 2022-05-24 | Anti-blocking anti-flying ink cleaner for intaglio press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114889311A true CN114889311A (en) | 2022-08-12 |
| CN114889311B CN114889311B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210566308.7A Active CN114889311B (en) | 2022-05-24 | 2022-05-24 | Anti-blocking anti-flying ink cleaner for intaglio press |
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| Country | Link |
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| CN (1) | CN114889311B (en) |
Cited By (1)
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| CN116728955A (en) * | 2023-08-16 | 2023-09-12 | 广东东方精工科技股份有限公司 | End ink fountain assembly and inking mechanism |
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| CN216373749U (en) * | 2021-12-17 | 2022-04-26 | 安徽天翔高新特种包装材料集团有限公司 | Printing tool rest device for gravure printing |
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| CN202408222U (en) * | 2011-12-31 | 2012-09-05 | 浙江先行实业有限公司 | Cup cover of direct drinking cup |
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| CN116728955B (en) * | 2023-08-16 | 2023-12-12 | 广东东方精工科技股份有限公司 | End ink fountain assembly and inking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114889311B (en) | 2023-12-22 |
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