CN212400666U - Ink-jet printing device with double-resolution-ratio combined nozzle - Google Patents
Ink-jet printing device with double-resolution-ratio combined nozzle Download PDFInfo
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- CN212400666U CN212400666U CN202020588227.3U CN202020588227U CN212400666U CN 212400666 U CN212400666 U CN 212400666U CN 202020588227 U CN202020588227 U CN 202020588227U CN 212400666 U CN212400666 U CN 212400666U
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Abstract
The utility model relates to an ink jet printing technical field especially relates to an ink jet printing device with two resolution ratio combination shower nozzles. The utility model provides an inkjet printing device with two resolution ratio combination shower nozzles, its characterized in that, includes ink supply system, inkjet device and connecting plate, inkjet device is equipped with first inkjet passageway and second inkjet passageway, first inkjet passageway with the ink of different colours is printed in the second inkjet passageway inkjet respectively, first shower nozzle is installed to first inkjet passageway, the second shower nozzle is installed to second inkjet passageway. An object of the utility model is to provide an inkjet printing device with two resolution ratio combination shower nozzles makes up two kinds of shower nozzles of different resolution ratios to same inkjet printing device in, can print out fine and smooth, the colour effect is abundant, meticulous clear inkjet prints the pattern.
Description
Technical Field
The utility model relates to an ink jet printing technical field especially relates to an ink jet printing device with two resolution ratio combination shower nozzles.
Background
The ink-jet printing technology has become a mainstream digital image-text printing mode due to the characteristics of low cost, high quality, wide applicable medium and the like. With the continuous development of computer digital technology, the digital printing industry is gradually developed and strengthened, the application of the ink-jet printing technology in the industry is increasingly wide, the ink-jet printing technology is expanded to the industrial fields of textile printing and dyeing, ceramic building materials, electronics, 3D printing and the like, and higher requirements on the printing quality and the printing effect are also provided. Present inkjet printing device adopts the same resolution ratio shower nozzle in same printing direction, because the shower nozzle of high resolution ratio can spray pigment's granule is little, it is not enough to print the china ink volume, the resolution ratio of the enough big shower nozzle of printing china ink volume is too low, can't print meticulous clear pattern, because the shower nozzle orifice of low resolution ratio is big, the scope of the ink of selectable use is wide, it is single to adopt the shower nozzle of the same resolution ratio to print the effect in same printing direction, it is dull and not clear to print the pattern when using the low resolution ratio, although it is clear to print the pattern when using the high resolution ratio shower nozzle, it is single to print the effect, can.
SUMMERY OF THE UTILITY MODEL
Problem to the background art provides, the utility model aims to provide an inkjet printing device with two resolution ratio combination shower nozzles is provided, in two kinds of shower nozzles with different resolution ratios make up same inkjet printing device, can print out fine and smooth, the colour effect is abundant, meticulous clear inkjet prints the pattern.
To achieve the purpose, the utility model adopts the following technical proposal:
an ink jet printing device with a double-resolution-ratio combined nozzle comprises an ink supply system, an ink jet device and a connecting plate, wherein the ink jet device is provided with a first ink jet channel and a second ink jet channel, the first ink jet channel and the second ink jet channel respectively jet ink for printing ink with different colors, the first ink jet channel is provided with a first nozzle, and the second ink jet channel is provided with a second nozzle;
the resolution of a first nozzle of the ink jet device is 400-600 dpi, the resolution of a second nozzle of the ink jet device is 600-1200 dpi, and the resolution of the second nozzle of the ink jet device is greater than that of the first nozzle of the ink jet device;
the ink jet device is provided with at least two, two adjacent ink jet devices are respectively connected through the connecting plate, and the output end of the ink supply system is connected with the first spray head and the second spray head of the ink jet device.
Preferably, the ink jet device is provided with the first ink jet channel and the second ink jet channel in sequence in a printing direction.
Preferably, the ink jet device is provided with the second ink jet channel and the first ink jet channel in sequence in a printing direction.
Preferably, the ink supply system comprises an ink circulation assembly and an ink adding assembly, the ink circulation assembly comprises a circulation ink barrel, an external circulation pump, a reflux pump, a pressure side and a vacuum side which keep pressure difference, the ink adding assembly comprises an ink adding barrel and an ink supply pump, an ink outlet end of the ink adding barrel is connected with the ink supply pump, the ink supply pump is connected between the ink adding barrel and the circulation ink barrel, and a first filter for filtering ink is further arranged between the ink supply pump and the circulation ink barrel;
the first shower nozzle and the second shower nozzle of ink jet device are connected the pressure side with between the vacuum side, the input of outer circulating pump with circulation china ink bucket is connected, the output of outer circulating pump with the pressure side is connected, outer circulating pump with still be provided with the second filter between the pressure side, the input of backwash pump with the vacuum side is connected, the output of backwash pump with circulation china ink bucket is connected.
Preferably, the ink supply system further comprises a negative pressure detection assembly connected between the vacuum side and the circulating ink barrel, the negative pressure detection assembly comprises a control plate and a first three-way valve, the control plate is connected with the vacuum side, the first three-way valve is connected between the control plate and the circulating ink barrel, and the first three-way valve is externally connected with a positive pressure generator.
Preferably, the ink supply system further comprises an air pressure control assembly communicated with the upper space in the circulating ink barrel, wherein the air pressure control assembly comprises a vacuum pump, a disc-type filter and a second three-way valve, the second three-way valve is connected between the circulating ink barrel and the vacuum pump, and the disc-type filter is connected between the second three-way valve and the vacuum pump.
Preferably, the pressure side is provided with a return passage communicating with an upper space in the circulating ink tank.
Preferably, a first branch is further arranged between the circulating ink barrel and the second filter, and a flow joint is arranged on the first branch.
Preferably, ink jet set is equipped with the mounting panel, mounting panel detachably install in ink jet set's bottom, the mounting panel is equipped with first mounting groove and second mounting groove, the first mounting groove of mounting panel and the width of second mounting groove are different, ink jet set's first shower nozzle is installed in the first mounting groove of mounting panel, ink jet set's second shower nozzle is installed in the second mounting groove of mounting panel, the width of mounting panel is 365mm, the length of mounting panel is 800 ~ 1680 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
since the amount of printing ink of the head with high resolution is insufficient, and the resolution of the head with large enough amount of printing ink is insufficient, a fine and clear pattern cannot be printed. The utility model discloses a will first shower nozzle with the second shower nozzle is installed same in the ink jet equipment, realize the printing of two resolution ratio shower nozzle combinations, wherein the lower shower nozzle of resolution ratio can accomplish like the colour piles up (supplementary china ink volume makes and sends dark), the printing effect of big china ink volume such as 3D printing processing, the higher shower nozzle of resolution ratio can accomplish like colour transition processing, print the processing of meticulous printing effect such as fine and smooth, no graininess pattern, through ink supply system to first shower nozzle with the second shower nozzle supplies the ink, printing the in-process, first shower nozzle with the pattern effect printing of different resolution ratios is accomplished respectively to the second shower nozzle, makes up two kinds of shower nozzles of different resolution ratios to same ink jet printing device in, can print out fine and smooth, abundant, the meticulous clear ink jet printing pattern of colour effect.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
FIG. 1 is a schematic diagram of an inkjet printing apparatus with dual resolution combination head according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a mounting plate of an ink jet device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an ink supply system according to an embodiment of the present invention;
wherein: the ink supply system comprises an ink supply system 1, a circulating ink barrel 10, an external circulating pump 11, a reflux pump 12, a pressure side 13, a vacuum side 14, a second filter 15, a reflux channel 16, an ink adding barrel 17, an ink supply pump 18, a first filter 19, a first branch 20, a flow joint 200, a control plate 101, a first three-way valve 102, a vacuum pump 201, a butterfly type filter 202, a second three-way valve 203, an ink jet device 2, a first ink jet channel 21, a first spray head 211, a second ink jet channel 22, a second spray head 221, a mounting plate 23, a first mounting groove 231, a second mounting groove 232 and a connecting plate 3.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to the embodiments below.
As shown in fig. 1 to 3, wherein fig. 1 and 2 show printing directions, an inkjet printing apparatus with dual resolution combination nozzles comprises an ink supply system 1, an inkjet device 2 and a connection plate 3, wherein the inkjet device 2 is provided with a first inkjet channel 21 and a second inkjet channel 22, the first inkjet channel 21 and the second inkjet channel 22 respectively perform inkjet printing on different colors of ink, the first inkjet channel 21 is provided with a first nozzle 211, and the second inkjet channel 22 is provided with a second nozzle 221;
the resolution of the first nozzle 211 of the ink jet device 2 is 400 to 600dpi, the resolution of the second nozzle 221 of the ink jet device 2 is 600 to 1200dpi, and the resolution of the second nozzle 221 of the ink jet device 2 is greater than the resolution of the first nozzle 211 of the ink jet device 2;
the number of the ink jet devices 2 is at least two, two adjacent ink jet devices 2 are respectively connected through the connecting plate 3, and the output end of the ink supply system 1 is connected with the first nozzle 211 and the second nozzle 221 of the ink jet device 2.
Since the amount of printing ink of the head with high resolution is insufficient, and the resolution of the head with large enough amount of printing ink is insufficient, a fine and clear pattern cannot be printed. By installing the first and second heads 211 and 221 having different resolutions in the same ink jet device 2, printing of two different resolutions is realized, wherein the spray head with lower resolution can finish the printing effects of large ink amount such as color stacking (replenishing ink amount to make the color emit dark color), 3D printing processing and the like, the spray head with higher resolution can finish the processing of fine printing effects such as color transition processing, fine printing, non-granular pattern and the like, ink is supplied to the first and second heads 211 and 221 of the ink jet apparatus through the ink supply system 1, in the printing process, the first nozzle 211 and the second nozzle 221 of the ink jet device respectively complete the printing of the pattern effect with different resolutions, and two nozzles with different resolutions are combined into the same ink jet printing device, so that the fine, rich and fine ink jet printing pattern with rich color effect can be printed.
Preferably, the ink jet device 2 is provided with the first ink jet channel 21 and the second ink jet channel 22 in this order in the printing direction.
According to the sequence of the printing direction, the first spray head 211 of the ink-jet device 2 with lower resolution ratio firstly finishes printing, the second spray head 221 of the ink-jet device 2 with higher resolution ratio finishes printing, at the moment, the first spray head 211 of the ink-jet device 2 with lower resolution ratio can be used for firstly performing the treatment of spraying and printing functional ink as an auxiliary substrate or accumulating a 3D effect before printing fine and clear patterns, for example, the treatment is performed before the colored printing stock is printed with white color, and then the second spray head 221 of the ink-jet device 2 with higher resolution ratio performs the printing of the clear and fine patterns, so that the printing efficiency and the printing attractiveness can be effectively improved.
Preferably, the ink jet device 2 is provided with the second ink jet channel 22 and the first ink jet channel 21 in this order in the printing direction.
According to the order of printing the direction, the resolution ratio is higher the second shower nozzle 221 of ink jet set 2 accomplishes earlier and prints, and the resolution ratio is lower accomplish printing behind ink jet set 2's the first shower nozzle 211, and the resolution ratio is higher this moment ink jet set 2's second shower nozzle 221 accomplishes clear fine and smooth pattern earlier and prints, and the resolution ratio is lower ink jet set 2's first shower nozzle 211 can be used to pile up 3D and handle after printing clear fine and smooth pattern, or make the aftertreatment of special effects such as highlight, matte, metallic effect for the pattern of printing is more exquisite, pleasing to the eye, and has richened the printing effect.
Preferably, the ink supply system 1 comprises an ink circulation assembly and an ink adding assembly, the ink circulation assembly comprises a circulation ink barrel 10, an external circulation pump 11, a reflux pump 12, a pressure side 13 and a vacuum side 14 which maintain pressure difference, the ink adding assembly comprises an ink adding barrel 17 and an ink supply pump 18, an ink outlet end of the ink adding barrel 17 is connected with the ink supply pump 18, the ink supply pump 18 is connected between the ink adding barrel 17 and the circulation ink barrel 10, and a first filter 19 for filtering ink is further arranged between the ink supply pump 18 and the circulation ink barrel 10;
the first shower nozzle 211 and the second shower nozzle 221 of inkjet device 2 are connected pressure side 13 with between the vacuum side 14, the input of outer circulating pump 11 with circulation china ink bucket 10 is connected, the output of outer circulating pump 11 with pressure side 13 is connected, outer circulating pump 10 with still be provided with second filter 15 between the pressure side 13, the input of backwash pump 12 with vacuum side 14 is connected, the output of backwash pump 12 with circulation china ink bucket 10 is connected.
The ink supply system 1 is adopted to provide enough flow of ink to the first nozzle 211 and the second nozzle 221 of the ink jet device 2, the ink supply pump 18 pumps the ink from the ink adding barrel 17 into the circulating ink barrel 10, the ink is filtered by the first filter 19 to remove precipitated impurities, the printing quality is ensured, then the ink in the circulating ink barrel 10 is pumped to the pressure side 13 through the external circulating pump 11, the ink is filtered by the second filter 15 to remove the precipitated impurities, after the ink in the pressure side 13 flows through the first head 211 and the second head 221 of the ink jet device 2, the ink is pumped back to the circulating ink barrel 10 from the vacuum side 14 through the return pump 12 to serve as circulating ink supply, so that ink supply to the first nozzle 211 and the second nozzle 221 of the ink jet device 2 is ensured, and the quality of ink jet printing is ensured.
Preferably, the ink supply system 1 further comprises a negative pressure detection assembly connected between the vacuum side 14 and the circulating ink barrel 10, the negative pressure detection assembly comprises a control plate 101 and a first three-way valve 102, the control plate 101 is connected with the vacuum side 14, the first three-way valve 102 is connected between the control plate 101 and the circulating ink barrel 10, and the first three-way valve 102 is externally connected with a positive air pressure generator.
Because the circulating ink barrel 10 needs to have a sufficient negative pressure value, the ink of the first nozzle 211 and the second nozzle 221 of the ink jet device 2 cannot drop due to gravity, and ink leakage occurs, the negative pressure detection assembly is arranged, the lower end of the control plate 101 can detect the vacuum degree of the vacuum part 14, the upper end of the control plate 101 can detect the negative pressure value of the circulating ink barrel 10, and the monitoring of the vacuum degree in the vacuum part 14 and the air pressure of the circulating ink barrel 10 is realized; the first three-way valve 102 is externally connected with a positive pressure generator, when a bubble bracing wire is generated during printing due to the fact that the first spray head 211 and the second spray head 221 of the ink jet device 2 enter the atmosphere, at the moment, a channel connecting the positive pressure generator and the circulating ink barrel 10 by the first three-way valve 102 is opened, positive pressure can be input into the circulating ink barrel 10 through the positive pressure generator, negative pressure of the circulating ink barrel 10 is lost, ink leaks from the first spray head 211 and the second spray head 221 of the ink jet device 2, and internal air of the first spray head 211 and the second spray head 221 of the ink jet device 2 is exhausted by using ink, so that the purpose of 'ink pressing' is achieved.
Preferably, the ink supply system 1 further comprises an air pressure control assembly communicated with the upper space in the circulating ink barrel 10, the air pressure control assembly comprises a vacuum pump 201, a disc-type filter 202 and a second three-way valve 203, the second three-way valve 203 is connected between the circulating ink barrel 10 and the vacuum pump 201, and the disc-type filter 202 is connected between the second three-way valve 203 and the vacuum pump 201.
The air in the circulating ink barrel 10 is pumped away by the vacuum pump 201 to form a negative pressure value, so that the ink of the nozzle cannot drop due to gravity and ink leakage is avoided, the disc filter 202 is arranged, the air is introduced through the disc filter 202, the pumping force of the vacuum pump 201 during the vacuum pumping is relieved, and the situation that the nozzle cannot pump ink due to the fact that the vacuum pump 201 pumps excessive vacuum to form a high negative pressure value is avoided; when the ink supply system 1 stops working (alarm or stop), the second three-way valve 203 is closed at this time, and atmospheric pressure of the disc filter 202 is prevented from entering the circulating ink tank 10, so that the circulating ink tank 10 loses negative pressure, and the first nozzle 211 and the second nozzle 221 of the ink jet device 2 leak ink.
It should be noted that the negative pressure detecting assembly is linked with the air pressure control assembly, and the vacuum pump 201 controls the magnitude of the vacuum pumping of the vacuum pump 201 according to the negative pressure value of the circulating ink tank 10 detected by the control board 101 of the negative pressure detecting assembly, so as to control the negative pressure value of the circulating ink tank 10.
Preferably, the pressure side 14 is provided with a return passage 16 communicating with an upper space in the circulating ink tank 10.
By arranging the backflow channel 16, when the internal liquid level of the pressure side 13 is too high, the ink can flow back to the inside of the circulating ink barrel 10 through the backflow channel 16, and the ink can be guaranteed to complete internal circulation in the circulating ink barrel 10.
Preferably, a first branch 20 is further disposed between the circulating ink tank 10 and the second filter 15, and the first branch 20 is provided with a flow joint 200.
By arranging the first branch passage 20, the upper space in the circulating ink tank 10 is communicated with the second filter 15, air in the ink flowing through the second filter 15 can be pumped away by the negative pressure in the circulating ink tank 10 through the first branch passage 20, bubbles in the ink are reduced, and the condition that the printing color is light due to the bubbles in the ink is avoided.
Preferably, the inkjet device 2 is provided with a mounting plate 23, the mounting plate 23 is detachably mounted in the bottom of the inkjet device 2, the mounting plate 2 is provided with a first mounting groove 231 and a second mounting groove 232, the widths of the first mounting groove 231 and the second mounting groove 232 of the mounting plate 23 are different, the first nozzle 211 of the inkjet device 2 is mounted in the first mounting groove 231 of the mounting plate 23, the second nozzle 221 of the inkjet device 2 is mounted in the second mounting groove 232 of the mounting plate 23, the width of the mounting plate 23 is 365mm, and the length of the mounting plate 23 is 800-1680 mm.
The printing width of the individual heads is different depending on the heads, the width of the mounting plate 23 is designed according to the maximum width of the heads (the width of the heads is currently 69.5cm, 64.2cm and 53cm), the length of the mounting plate 23 is adjusted according to the number of the first heads 211 arranged in the first ink jetting passage 21 and the number of the second heads 221 arranged in the second ink jetting passage 22, the first mounting grooves 231 and the second mounting grooves 232 having different widths are provided in the mounting plate 23 according to the widths of the first heads 211 and the second heads 221 of the ink jetting apparatus 2, the first heads 211 of the ink jetting apparatus 2 are mounted in the first mounting grooves 231 of the mounting plate 23, the second heads 221 of the ink jetting apparatus 2 are mounted in the second mounting grooves 232 of the mounting plate 23, and finally the mounting plate 23 is mounted to the ink jetting apparatus 2, the purpose of being compatible with different spray heads in one ink-jet printing device is achieved, only the corresponding mounting plate needs to be replaced when the spray heads are replaced, the whole device does not need to be replaced, and the production cost, the equipment maintenance cost and the replacement cost are effectively reduced.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (9)
1. An ink jet printing device with a dual-resolution-ratio combined nozzle is characterized by comprising an ink supply system, an ink jet device and a connecting plate, wherein the ink jet device is provided with a first ink jet channel and a second ink jet channel, the first ink jet channel and the second ink jet channel respectively jet ink for printing ink with different colors, the first ink jet channel is provided with a first nozzle, and the second ink jet channel is provided with a second nozzle;
the resolution of a first nozzle of the ink jet device is 400-600 dpi, the resolution of a second nozzle of the ink jet device is 600-1200 dpi, and the resolution of the second nozzle of the ink jet device is greater than that of the first nozzle of the ink jet device;
the ink jet device is provided with at least two, two adjacent ink jet devices are respectively connected through the connecting plate, and the output end of the ink supply system is connected with the first spray head and the second spray head of the ink jet device.
2. The inkjet printing apparatus having dual resolution combination head as claimed in claim 1, wherein the inkjet apparatus sequentially arranges the first inkjet channel and the second inkjet channel in a printing direction.
3. The inkjet printing apparatus having dual resolution combination head as claimed in claim 1, wherein the inkjet apparatus sequentially arranges the second inkjet channel and the first inkjet channel in a printing direction.
4. The inkjet printing apparatus with dual resolution combination nozzles as claimed in claim 1, wherein the ink supply system includes an ink circulation assembly and an ink feeding assembly, the ink circulation assembly includes a circulation ink tank, an external circulation pump, a reflux pump, and a pressure side and a vacuum side maintaining a pressure difference, the ink feeding assembly includes an ink feeding tank and an ink supply pump, an ink outlet of the ink feeding tank is connected to the ink supply pump, the ink supply pump is connected between the ink feeding tank and the circulation ink tank, and a first filter for filtering ink is further disposed between the ink supply pump and the circulation ink tank;
the first shower nozzle and the second shower nozzle of ink jet device are connected the pressure side with between the vacuum side, the input of outer circulating pump with circulation china ink bucket is connected, the output of outer circulating pump with the pressure side is connected, outer circulating pump with still be provided with the second filter between the pressure side, the input of backwash pump with the vacuum side is connected, the output of backwash pump with circulation china ink bucket is connected.
5. The inkjet printing apparatus as claimed in claim 4, wherein the ink supply system further comprises a negative pressure detection assembly connected between the vacuum side and the circulating ink tank, the negative pressure detection assembly comprises a control board connected to the vacuum side and a first three-way valve connected between the control board and the circulating ink tank, the first three-way valve is externally connected to a positive pressure generator.
6. The inkjet printing apparatus as claimed in claim 4, wherein the ink supply system further comprises an air pressure control assembly in communication with the upper space of the circulating ink tank, the air pressure control assembly includes a vacuum pump, a disc filter, and a second three-way valve, the second three-way valve is connected between the circulating ink tank and the vacuum pump, and the disc filter is connected between the second three-way valve and the vacuum pump.
7. The inkjet printing apparatus having a dual resolution combination head as claimed in claim 4, wherein the pressure side is provided with a return channel communicating with an upper space in the circulating ink tank.
8. The inkjet printing apparatus having dual resolution combination head as claimed in claim 4, wherein a first branch is further provided between the circulating ink tank and the second filter, and the first branch is provided with a flow connector.
9. The inkjet printing apparatus as claimed in claim 1, wherein the inkjet printing apparatus has a mounting plate detachably mounted at the bottom of the inkjet printing apparatus, the mounting plate has a first mounting groove and a second mounting groove, the first mounting groove and the second mounting groove of the mounting plate have different widths, the first nozzle of the inkjet printing apparatus is mounted in the first mounting groove of the mounting plate, the second nozzle of the inkjet printing apparatus is mounted in the second mounting groove of the mounting plate, the mounting plate has a width of 365mm, and the mounting plate has a length of 800-1680 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588227.3U CN212400666U (en) | 2020-04-17 | 2020-04-17 | Ink-jet printing device with double-resolution-ratio combined nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588227.3U CN212400666U (en) | 2020-04-17 | 2020-04-17 | Ink-jet printing device with double-resolution-ratio combined nozzle |
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| CN212400666U true CN212400666U (en) | 2021-01-26 |
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| CN202020588227.3U Active CN212400666U (en) | 2020-04-17 | 2020-04-17 | Ink-jet printing device with double-resolution-ratio combined nozzle |
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| CN (1) | CN212400666U (en) |
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