CN220662014U - Flow channel structure of scraper ink supply device - Google Patents
Flow channel structure of scraper ink supply device Download PDFInfo
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- CN220662014U CN220662014U CN202322279825.9U CN202322279825U CN220662014U CN 220662014 U CN220662014 U CN 220662014U CN 202322279825 U CN202322279825 U CN 202322279825U CN 220662014 U CN220662014 U CN 220662014U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 8
- 238000007641 inkjet printing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 13
- 238000011010 flushing procedure Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011087 paperboard Substances 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007774 anilox coating Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010023 transfer printing Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model relates to the technical field of paperboard production, and discloses a runner structure of a scraper ink supply device, which comprises the following components: mo Liang, the inking roller, first three-way pipe, first inlet tube, advance the black pipe, first black pipe, second black pipe, first ink pump return, form the ink chamber between ink roof beam and the inking roller, the ink inlet has been seted up to the bottom side of ink roof beam, the quantity of ink inlet is more than three, the upside of ink roof beam is equipped with first black mouth and second black mouth that returns, three openings of first three-way pipe respectively with first black mouth, first inlet tube and second black pipe intercommunication, advance black pipe and all ink inlet intercommunication, the output and the black pipe intercommunication of first ink pump return the black mouth and second black pipe intercommunication. The multi-point ink return to the ink cavity can be realized through the inversion of the first ink pump, so that the impurity deposition in the ink cavity is reduced; the first ink return port and the second ink return port form a main runner for flushing the ink cavity unidirectionally, and the cleaning effect is better.
Description
Technical Field
The utility model relates to the technical field of paperboard production, in particular to a runner structure of a scraper ink supply device.
Background
Along with the continuous development of economy, the labor cost is continuously increased, and people put higher requirements on high efficiency and energy conservation of printing equipment. Paperboard is often required to display information on the surface of the paperboard during the manufacturing process. In order to improve the efficiency of the transfer printing of the paper board, a roller type transfer printing technology is generally adopted to transfer ink on the paper board. The roller type transfer printing technology needs to be provided with an ink scraping unit, the ink scraping unit comprises an ink beam, an ink inlet and an overflow port are formed in the ink beam, the ink inlet is located at the low side of an ink cavity, an anilox roller is tightly attached to Mo Liang to form the ink cavity, ink is continuously input into the ink cavity through the ink inlet, and when the ink liquid level is too high, the ink flows out through the overflow port. When the anilox roller rotates, the ink is transferred to the printing plate roller through the anilox roller, and finally, specific graph display information is formed on the surface of the paperboard by the printing plate roller.
After the wiping unit is stopped, the wiping unit needs to be cleaned. When the current ink scraping unit is used for cleaning, the ink inlet is communicated with a water source of cleaning water through a pipeline system switching pipeline, the cleaning water is introduced into the ink cavity through the ink inlet for cleaning, water continuously flows in and flows out through the overflow port in the initial stage of flushing, and the water is discharged through the ink inlet for back suction when the water is required to be emptied. The ink inlet is usually only arranged at two ends of the ink cavity, so that the ink cavity with the arrangement structure has very limited cleaning effect on accumulated ink and ink blocks.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the background art.
The present utility model provides a flow path structure of a doctor blade ink supply device, comprising: mo Liang, a first tee pipe, a first water inlet pipe, an ink inlet pipe, a first ink return pipe, a second ink return pipe and a first ink pump;
the bottom side of the ink beam is provided with more than three ink inlets, the ink inlets are arranged at intervals along the length direction of the ink beam, the upper side of the ink beam is provided with a first ink return opening and a second ink return opening, and the first ink return opening and the second ink return opening are respectively positioned at two sides along the length direction of the ink beam;
the three ports of the first three-way pipe are respectively communicated with the first ink return port, the first water inlet pipe and the first ink return pipe;
the ink inlet pipe is communicated with all the ink inlet openings through a flow divider, and the output end of the first ink pump is communicated with the ink inlet pipe;
the second ink return port is communicated with the second ink return pipe.
The utility model has the beneficial effects that: the runner structure of the scraper ink supply device comprises a first three-way pipe, a first water inlet pipe, an ink inlet pipe, a first ink return pipe, a second ink return pipe and a first ink pump, wherein the ink inlet pipe is communicated with each ink inlet, the first ink pump is arranged on the ink inlet pipe, the multi-point ink return to the ink cavity can be realized through the inversion of the first ink pump, and the impurity deposition in the ink cavity is reduced; in addition, the first ink return port is provided with a first water inlet pipe, the first ink return port and the second ink return port are respectively positioned at the front side and the rear side of the ink beam, the first ink return port and the second ink return port form a main flow passage for one-way flushing of the ink cavity, the flushing effect on ink accumulation of the ink cavity, the ink blocks and impurities is improved, and the cleaning effect is better.
As some sub-aspects of the above-described technical solution, the first ink pump may be rotated forward or reverse.
As some sub-schemes of the above technical scheme, the number of the ink inlets is seven.
As some sub-aspects of the above technical solution, seven of the ink inlets are arranged on the ink beam at equal intervals.
As some sub-schemes of the above technical scheme, the first water inlet pipe is provided with a first vacuum valve, the first vacuum valve comprises a first suction end, a first ejection end and a first air inlet end, the first ejection end is arranged adjacent to the first ink return port, the first suction end is far away from the first ink return port, and the first air inlet end is used for being connected with an air source.
As some sub-schemes of the above technical scheme, the second ink return pipe is provided with a second vacuum valve, the second vacuum valve includes a second suction end, a second ejection end and a second air inlet end, the second suction end is arranged towards the second ink return port, the second ejection end is arranged away from the second ink return port, and the second air inlet end is used for being connected with an external air source.
As some sub-schemes of the above technical scheme, the first ink return pipe is provided with a third vacuum valve, the third vacuum valve comprises a third suction end, a third ejection end and a third air inlet end, the third suction end is arranged towards the first ink return port, the third ejection end is arranged away from the first ink return port, and the third air inlet end is used for being connected with an external air source.
As some sub-schemes of the technical scheme, the ink beam is further provided with a scraper component, the scraper component comprises a soft scraper, a screw and a pressing block, the ink beam is provided with a screw hole, and the screw penetrates through the pressing block to be in threaded connection with the screw hole, so that the soft scraper is pressed on the ink beam.
As some sub-aspects of the above-described technical solution, the doctor assembly further includes a spacer block, the spacer block is located on a side of the screw facing away from the flexible blade, and the spacer block is pressed against the ink beam by the pressing block.
As some sub-schemes of the above technical scheme, the soft scraping plate is made of plastic.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of an embodiment of a flow channel configuration of a doctor blade ink supply;
FIG. 2 is a schematic diagram of a second embodiment of a flow channel configuration of a doctor blade ink supply;
FIG. 3 is a schematic diagram of a conduit of a flow channel configuration of a doctor blade ink supply;
FIG. 4 is a schematic view of the inking roller installation;
fig. 5 is a partial enlarged view at a in fig. 4.
In the accompanying drawings: 1-an ink beam; 11-a first ink return port; 12-a second ink return port; 13-an ink inlet;
21-a first water inlet pipe;
3-an ink inlet pipe;
41-a first ink return tube; 42-a second ink return tube;
51-a first ink pump; 52-an ink tank;
61-a first tee;
71-a first vacuum valve; 72-a third vacuum valve; 73-a second vacuum valve;
8-a shunt;
91-a soft scraper; 92-screws; 93-pressing plate; 94-cushion blocks; 95-inking roller.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of a number is not quantitative, and the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Appear throughout and/or represent three parallel schemes, e.g., a and/or B represent a scheme that is met by a, a scheme that is met by B, or a scheme that is met by a and B simultaneously.
In the description of the utility model, there are phrases containing a plurality of parallel features, where the phrase defines a feature that is closest, for example: b, C provided on A, E connected with D, which means that B is provided on A, E connected with D, and C is not limited; but for the words representing the relationship between features, such as "spaced arrangement", "annular arrangement", etc., do not belong to this category. The phrase preceded by a "homonym" indicates that all features in the phrase are defined, e.g., B, C, D, all disposed on a, and B, C and D are disposed on a. The sentence of the subject is omitted, and the omitted subject is the subject of the previous sentence, namely, B is arranged on A and comprises C, B is arranged on A, and A comprises C.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Embodiments of the present utility model are described below with reference to fig. 1 to 5.
The present embodiment relates to a flow path structure of a doctor blade ink supply apparatus, including: the ink jet printing device comprises an ink beam 1, a first tee pipe 61, a first water inlet pipe 21, an ink inlet pipe 3, a first ink return pipe 41, a second ink return pipe 42 and a first ink pump 51, wherein the bottom side of the ink beam 1 is provided with ink inlet ports 13, the number of the ink inlet ports 13 is more than three, the ink inlet ports 13 are arranged at intervals along the length direction of the ink beam 1, the upper side of the ink beam 1 is provided with a first ink return port 11 and a second ink return port 12, the first ink return port 11 and the second ink return port 12 are respectively positioned on two sides along the length direction of the ink beam 1, namely a front side and a rear side in the embodiment, the three through ports of the first tee pipe 61 are respectively communicated with the first ink return port 11, the first water inlet pipe 21 and the first ink return pipe 41, the ink inlet pipe 3 is communicated with all the ink inlet ports 13 through a flow divider 8, the output end of the first ink pump 51 is communicated with the ink inlet pipe 3, and the second ink return port 12 is communicated with the second ink return pipe 42.
The runner structure of the scraper ink supply device comprises a first three-way pipe 61, a first water inlet pipe 21, an ink inlet pipe 3, a first ink return pipe 41, a second ink return pipe 42 and a first ink pump 51, wherein the ink inlet pipe 3 is communicated with each ink inlet 13, the first ink pump 51 is arranged on the ink inlet pipe 3, multi-point ink return can be realized on an ink cavity through the inversion of the first ink pump 51, and impurity deposition in the ink cavity is reduced; in addition, the first water inlet pipe 21 is arranged at the first ink return port 11, the first ink return port 11 and the second ink return port 12 are respectively positioned at the front side and the rear side of the ink beam 1, the first ink return port 11 and the second ink return port 12 form a main flow passage for one-way flushing of the ink cavity, the flushing effect on ink accumulation, ink blocks and impurities of the ink cavity is improved, and the cleaning effect is better.
When the ink supply device works, the first ink pump 51 supplies ink from the ink tank 52 through the ink beam 1, and after the ink is continuously supplied, the first ink return port 11 and the second ink return port 12 serve as overflow ports to recover redundant ink, so that a certain ink volume is maintained, the area contact between the ink and the inking roller 95 is ensured, and the ink supply is ensured.
In this embodiment, the ink chambers are closed along both front and rear ends of the inking roller 95, and end seals are provided on the front and rear sides of the inking roller 95 to seal the ink chambers.
The ink beam 1 is further provided with a scraper assembly, the scraper assembly comprises a soft scraper 91, a screw 92 and a pressing block, the ink beam 1 is provided with a screw hole, and the screw 92 penetrates through the pressing block to be in threaded connection with the screw hole, so that the soft scraper 91 is pressed on the Mo Liang. The screw 92 presses the soft blade 91 on the ink beam 1 through the pressing block, so that the contact area when the soft blade 91 is pressed is increased, and the risk of the soft blade 91 being pressed is reduced. In a state where the inking roller 95 is mounted, the inking roller 95 is respectively abutted against the ink beam 1, the soft scraper 91 and both end seals to form a relatively closed ink chamber. Inking can be performed during rotation of the inking roller 95 by supplying ink into the ink chambers.
Further, the scraper assembly further comprises a cushion block 94, the cushion block 94 is located on the side, facing away from the soft scraper 91, of the screw 92, and the cushion block 94 is pressed against the ink beam 1 by a pressing block. By configuring the cushion block 94, when the pressing plate 93 presses the soft scraping plate 91 on the ink beam 1, the other side of the pressing plate 93 is limited by the cushion block 94, so that the pressing depth of the pressing block can be limited, meanwhile, the pressing block is balanced in stress, the pressing block and the soft scraping plate 91 tend to be in plane contact, and the contact area between the soft scraping plate 91 and the pressing plate 93 is increased. The soft scraper 91 is made of plastic. The soft blade 91 is made of plastic, which is low in cost and less prone to wear on the inking roller 95.
The first ink pump 51 may be rotated forward or backward. The first ink pump 51 can be rotated forward or backward, so that ink can be supplied into the ink chamber through the ink inlet 13 connected to the first ink pump 51 or water in the ink chamber can be returned through the ink inlet 13. Specifically, in the ink supply state, ink is supplied into the ink chamber formed by the inking roller 95 and the ink beam 1 through the ink inlet tube 3, the first ink pump 51 and the ink inlet 13, and the inking roller 95 can transfer ink to the plate roller to complete ink supply when rotating, at this time, the first ink return port 11 and the second ink return port 12 serve as overflow ports, and when the ink is supplied too much, the ink flows back to the ink tank 52 through the first ink return port 11 and the second ink return port 12. When the cleaning is needed, the ink in the ink cavity is pumped away through the first ink pump 51, then the ink barrel 52 is replaced to be a water barrel for cleaning water return, then the first water inlet pipe 21 supplies water, the water of the first water inlet pipe 21 enters the ink cavity through the first ink return port 11 after being pressurized through the first vacuum generator, the accumulated ink and the ink blocks deposited at the bottom of the ink cavity can be flushed in a large flow, the ink and the accumulated ink in the ink cavity are fully flushed, and the cleaning efficiency is improved.
The number of the ink inlets 13 is seven. The number of the ink inlets 13 is seven, so that the ink chambers can be cleaned better. Further, seven of the ink inlets 13 are arranged on the ink beam 1 at equal intervals. The equidistant arrangement of the ink inlets 13 can more uniformly cover the respective positions of the ink chambers.
The first water inlet pipe 21 is provided with a first vacuum valve 71, the first vacuum valve 71 comprises a first suction end, a first ejection end and a first air inlet end, the first ejection end is adjacent to the first ink return port 11, the first suction end is far away from the first ink return port 11, and the first air inlet end is used for being connected with an air source. The first vacuum valve 71 is arranged on the water inlet pipe, the first spraying end of the first vacuum valve 71 faces the first ink return opening 11, after compressed air is input into the first air inlet end, the pressure of the spraying end can be increased, so that the water pressure at the first ink return opening 11 is increased through the first vacuum valve 71, and compared with a traditional mode of adopting a water pump, the mode of increasing the pressure through the first vacuum valve 71 is higher in efficiency, lower in cost and lower in energy consumption.
The second ink return pipe 42 is provided with a second vacuum valve 73, the second vacuum valve 73 comprises a second suction end, a second ejection end and a second air inlet end, the second suction end faces the second ink return port 12, the second ejection end faces away from the second ink return port 12, and the second air inlet end is used for being connected with an external air source. The second suction end of the second vacuum valve 73 is disposed toward the second ink return port 12, and when compressed air enters the second vacuum valve 73 through the second suction end, suction force can be generated on the second suction end, so that negative pressure can be generated when water is discharged or ink is returned, the outflow speed of water or ink is increased, and the backflow or cleaning efficiency is improved. In addition, the negative pressure generated here is beneficial to generating additional flow force for the water flow, thereby better flushing the flow channel and being more beneficial to removing accumulated ink.
The runner structure of the doctor ink supply device further comprises a third vacuum valve 72 arranged on the first ink return tube 41, the third vacuum valve 72 comprises a third suction end, a third ejection end and a third air inlet end, the third suction end is arranged towards the first ink return opening 11, the third ejection end is arranged away from the first ink return opening 11, and the third air inlet end is used for being connected with an external air source. The third suction end of the third vacuum valve 72 arranged on the first ink return pipe 41 is arranged towards the first ink return port 11, when compressed air is introduced into the third suction end, negative pressure can be generated to the first ink return port 11 through the first three-way pipe 61, the outflow speed of water or ink is increased, the cleaning efficiency is improved, and meanwhile, the flushing effect on a flow channel is better, so that accumulated ink is more favorably removed.
While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the utility model as defined in the appended claims.
Claims (9)
1. The runner structure of scraper ink supply device, its characterized in that: comprising the following steps: the ink jet printing device comprises an ink beam (1), a first tee pipe (61), a first water inlet pipe (21), an ink inlet pipe (3), a first ink return pipe (41), a second ink return pipe (42) and a first ink pump (51);
the ink supply device comprises an ink beam (1), wherein the bottom side of the ink beam (1) is provided with ink inlet (13), the number of the ink inlet (13) is more than three, the ink inlet (13) are arranged at intervals along the length direction of the ink beam (1), the upper side of the ink beam (1) is provided with a first ink return opening (11) and a second ink return opening (12), and the first ink return opening (11) and the second ink return opening (12) are respectively positioned at two sides along the length direction of the ink beam (1);
the three ports of the first tee pipe (61) are respectively communicated with the first ink return port (11), the first water inlet pipe (21) and the first ink return pipe (41);
the ink inlet pipe (3) is communicated with all the ink inlet ports (13) through a flow divider (8), and the output end of the first ink pump (51) is communicated with the ink inlet pipe (3);
the second ink return port (12) is communicated with the second ink return pipe (42);
the novel ink jet printing machine is characterized in that a scraper component is further arranged on the ink beam (1), the scraper component comprises a soft scraper (91), a screw (92) and a pressing block, a screw hole is formed in the ink beam (1), the screw (92) penetrates through the pressing block to be in threaded connection with the screw hole, and the soft scraper (91) is pressed on the Mo Liang (1).
2. The flow path structure of a doctor blade ink supply apparatus as claimed in claim 1, wherein: the first ink pump (51) may be rotated forward or reverse.
3. The flow path structure of a doctor blade ink supply apparatus as claimed in claim 1, wherein: the number of the ink inlets (13) is seven.
4. A flow path construction for a doctor blade ink supply as claimed in claim 3, wherein: seven ink inlets (13) are arranged on the ink beam (1) at equal intervals.
5. The flow path structure of a doctor blade ink supply apparatus as claimed in claim 1, wherein: be equipped with first vacuum valve (71) on first inlet tube (21), first vacuum valve (71) are including first suction end, first blowout end and first inlet end, first blowout end is adjacent first ink return mouth (11) setting, first suction end is kept away from first ink return mouth (11) setting, first inlet end is used for being connected with the air supply.
6. The flow path structure of a doctor blade ink supply apparatus as claimed in claim 1, wherein: the second ink return pipe (42) is provided with a second vacuum valve (73), the second vacuum valve (73) comprises a second suction end, a second ejection end and a second air inlet end, the second suction end faces towards the second ink return port (12), the second ejection end faces away from the second ink return port (12), and the second air inlet end is used for being connected with an external air source.
7. The flow path structure of a doctor blade ink supply apparatus as claimed in claim 1, wherein: the first ink return pipe (41) is provided with a third vacuum valve (72), the third vacuum valve (72) comprises a third suction end, a third ejection end and a third air inlet end, the third suction end faces towards the first ink return port (11), the third ejection end faces away from the first ink return port (11), and the third air inlet end is used for being connected with an external air source.
8. The flow path structure of a doctor blade ink supply apparatus as claimed in claim 1, wherein: the scraper assembly further comprises a cushion block (94), the cushion block (94) is located on one side, opposite to the soft scraper (91), of the screw (92), and the cushion block (94) is pressed on the ink beam (1) by the pressing block.
9. The flow path structure of a doctor blade ink supply apparatus as claimed in claim 1, wherein: the soft scraping plate (91) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279825.9U CN220662014U (en) | 2023-08-23 | 2023-08-23 | Flow channel structure of scraper ink supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279825.9U CN220662014U (en) | 2023-08-23 | 2023-08-23 | Flow channel structure of scraper ink supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220662014U true CN220662014U (en) | 2024-03-26 |
Family
ID=90329642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322279825.9U Active CN220662014U (en) | 2023-08-23 | 2023-08-23 | Flow channel structure of scraper ink supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220662014U (en) |
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2023
- 2023-08-23 CN CN202322279825.9U patent/CN220662014U/en active Active
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