CN210234311U - Printing machine scraper device - Google Patents
Printing machine scraper device Download PDFInfo
- Publication number
- CN210234311U CN210234311U CN201920151741.8U CN201920151741U CN210234311U CN 210234311 U CN210234311 U CN 210234311U CN 201920151741 U CN201920151741 U CN 201920151741U CN 210234311 U CN210234311 U CN 210234311U
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- Prior art keywords
- scraper
- ink
- printing
- negative pressure
- pressure pump
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model discloses a printing machine scraper device, include version roller, scrape knife rest, scraper blade, mounting screw, guide rail, inhale ink horn, mounting panel, translation pneumatic cylinder, connecting plate, play black pipe and go out the china ink mouth, version roller is installed on the version roller, the version roller is connected with the rotation motor, version roller top is equipped with scrapes the knife rest, should scrape the knife rest and install on the guide rail, scrape the knife rest and go up to install the scraper blade through mounting screw, it is equipped with and inhales the ink horn to scrape knife rest top, the blotting box is installed on another guide rail, it has the negative pressure pump to inhale ink horn internally mounted, and the material entry connection of this negative pressure pump is in the clearance department of scraping knife rest and scraper blade. The utility model discloses can effectually scrape off the printing ink that no pattern region was gone up to version roller, and collect and discharge the printing ink that the scraper was scraped through the negative pressure pump, effectually prevent that printing ink from polluting the stock to and printing ink corrodes the scraper, prolonged the life of scraper.
Description
Technical Field
The utility model belongs to the technical field of the printing machine accessory and specifically relates to a printing machine scraper device is related to.
Background
Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the same printed matter as the printing plate. The invention and the development of the printing machine play an important role in the propagation of human civilization and culture.
In gravure printing, a doctor blade is required to remove the ink in the non-patterned areas during each printing pass. Improper handling of the scraped ink tends to contaminate the substrate and corrode the doctor blade.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A printing machine scraper device comprises a printing roller, a printing roller shaft, a scraper frame, a scraper blade, a mounting screw, a guide rail, an ink suction box, a mounting plate, a translation hydraulic cylinder, a connecting plate, an ink outlet pipe and an ink outlet, wherein the printing roller is mounted on the printing roller shaft, the printing roller shaft is connected with a rotating motor, the scraper frame is arranged above the printing roller, the scraper blade is mounted on the guide rail through the mounting screw on the scraper frame, the ink suction box is arranged above the scraper frame, the ink suction box is mounted on the guide rail, a negative pressure pump is mounted inside the ink suction box, a material inlet of the negative pressure pump is connected at the gap between the scraper frame and the scraper blade, a material outlet of the negative pressure pump is connected at the ink outlet on the side of the ink suction box, the ink outlet is connected with the ink outlet pipe, the ink suction box is fixedly connected with the scraper frame, the translation hydraulic cylinder is arranged above, the cylinder body of the translation hydraulic cylinder is fixed on the mounting plate, and the telescopic rod of the translation hydraulic cylinder is connected with the ink absorption box through the connecting plate.
As a further aspect of the present invention: the plate roller is a gravure plate roller.
As a further aspect of the present invention: the scraper blade is installed on the scraper frame through mounting screw, it is triangle-shaped's clearance to have the cross-section between scraper blade and the scraper frame, the biggest clearance of scraper blade and scraper frame is 1 millimeter.
As a further aspect of the present invention: the cutting edge of the scraper blade is a fillet cutting edge, and the radius of the fillet cutting edge is 0.05 mm.
As a further aspect of the present invention: the two guide rails penetrate through the scraper frame and the ink absorption box respectively, and are parallel to the roller shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can effectually scrape off the printing ink that no pattern region was gone up to version roller, and collect and discharge the printing ink that the scraper was scraped through the negative pressure pump, effectually prevent that printing ink from polluting the stock to and printing ink corrodes the scraper, prolonged the life of scraper.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the scraper holder of the present invention.
In the figure: the printing roller comprises a printing roller 1, a printing roller shaft 2, a scraper frame 3, a scraper blade 4, a mounting screw 5, a guide rail 6, an ink absorption box 7, a mounting plate 8, a translation hydraulic cylinder 9, a connecting plate 10, an ink outlet pipe 11 and an ink outlet 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in the embodiment of the present invention, a printing machine scraper device includes a printing roller 1, a printing roller shaft 2, a scraper holder 3, a scraper 4, a mounting screw 5, a guide rail 6, an ink absorption box 7, a mounting plate 8, a translational hydraulic cylinder 9, a connecting plate 10, an ink outlet tube 11 and an ink outlet 12, wherein the printing roller 1 is mounted on the printing roller shaft 2, the printing roller shaft 2 is connected to a rotating motor, the scraper holder 3 is disposed above the printing roller 1, the scraper holder 3 is mounted on the guide rail 6, the scraper 4 is mounted on the scraper holder 3 through the mounting screw 5, the ink absorption box 7 is disposed above the scraper holder 3, the ink absorption box 7 is mounted on another guide rail 6, a negative pressure pump is mounted inside the ink absorption box 7, a material inlet of the negative pressure pump is connected to a gap between the scraper holder 3 and the scraper 4, and a material outlet of the negative pressure pump is connected to the ink outlet 12 on the side, go out the installation connection on the china ink mouth 12 and go out black pipe 11, inhale ink horn 7 and scrape 3 fixed connection of knife rest, be equipped with translation pneumatic cylinder 9 in the top of blotting box 7, translation pneumatic cylinder 9's cylinder body is fixed on mounting panel 8, translation pneumatic cylinder 9's telescopic link passes through connecting plate 10 and is connected with blotting box 7.
The plate roller 1 is an intaglio plate roller.
Scraper blade 4 passes through mounting screw 5 to be installed on scraper frame 3, it is triangle-shaped's clearance to have the cross-section between scraper blade 4 and the scraper frame 3, scraper blade 4 is 1 millimeter with the biggest clearance of scraper frame 3.
The edge of the scraper blade 4 is a rounded edge, and the radius of the rounded edge is 0.05 mm.
The two guide rails 6 respectively penetrate through the scraper frame 3 and the ink suction box 7, and the two guide rails 6 are parallel to the plate roller shaft 2.
The utility model discloses a theory of operation is:
in gravure printing, a doctor blade 4 is moved over the printing roll 1 before each printing operation to remove ink from the non-patterned areas of the printing roll 1. When version roller 1 is rotatory around version roller 2, translation pneumatic cylinder 9 drive scraper frame 3 takes scraper blade 4 to make reciprocating motion along guide rail 6 to the printing ink between vibrations scraper blade 4 and scraper frame 3 improves the blotting efficiency of the interior negative pressure pump of ink absorption box 7. The ink scraped by the scraper blade 4 is sucked by the negative pressure pump and is finally discharged from the ink outlet pipe 11, so that the ink is effectively prevented from polluting printing stocks and corroding the scraper blade 4.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A printing machine scraper device comprises a printing roller, a printing roller shaft, a scraper frame, a scraper blade, a mounting screw, a guide rail, an ink suction box, a mounting plate, a translation hydraulic cylinder, a connecting plate, an ink outlet pipe and an ink outlet, and is characterized in that the printing roller is mounted on the printing roller shaft, the printing roller shaft is connected with a rotating motor, the scraper frame is arranged above the printing roller, the scraper blade is mounted on the scraper frame through the mounting screw, the ink suction box is arranged above the scraper frame, the ink suction box is mounted on another guide rail, a negative pressure pump is mounted inside the ink suction box, a material inlet of the negative pressure pump is connected at the gap between the scraper frame and the scraper blade, a material outlet of the negative pressure pump is connected at the ink outlet on the side of the ink suction box, the ink outlet pipe is mounted and connected on the ink outlet, the ink suction box is fixedly connected with the scraper frame, the translation hydraulic cylinder is arranged above the ink, the cylinder body of the translation hydraulic cylinder is fixed on the mounting plate, and the telescopic rod of the translation hydraulic cylinder is connected with the ink absorption box through the connecting plate.
2. The printing press doctor apparatus according to claim 1, wherein the plate roll is a gravure plate roll.
3. A printing press scraper arrangement according to claim 1, wherein the scraper blade is mounted on the scraper holder by means of mounting screws, and wherein a gap with a triangular cross-section is provided between the scraper blade and the scraper holder, and wherein the maximum gap between the scraper blade and the scraper holder is 1 mm.
4. The printing press doctor apparatus according to claim 1, wherein the edge of the doctor blade is a rounded edge having a radius of 0.05 mm.
5. The printing press doctor apparatus according to claim 1, wherein there are two of said guides extending through the doctor holder and the blotting cartridge, respectively, both of said guides being parallel to the roll axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920151741.8U CN210234311U (en) | 2019-01-29 | 2019-01-29 | Printing machine scraper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920151741.8U CN210234311U (en) | 2019-01-29 | 2019-01-29 | Printing machine scraper device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210234311U true CN210234311U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920151741.8U Active CN210234311U (en) | 2019-01-29 | 2019-01-29 | Printing machine scraper device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210234311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531960A (en) * | 2020-05-11 | 2020-08-14 | 胡俊好 | Method for preparing and processing composite bag for reducing dirty printing through negative pressure |
-
2019
- 2019-01-29 CN CN201920151741.8U patent/CN210234311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531960A (en) * | 2020-05-11 | 2020-08-14 | 胡俊好 | Method for preparing and processing composite bag for reducing dirty printing through negative pressure |
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