CN212194710U - Automatic cleaning device for spray head of printing machine - Google Patents
Automatic cleaning device for spray head of printing machine Download PDFInfo
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- CN212194710U CN212194710U CN201821829680.8U CN201821829680U CN212194710U CN 212194710 U CN212194710 U CN 212194710U CN 201821829680 U CN201821829680 U CN 201821829680U CN 212194710 U CN212194710 U CN 212194710U
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- scraping
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- collecting tank
- strip
- cleaning device
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Abstract
The utility model discloses an automatic cleaning device for a printing machine nozzle, which comprises a wastewater collecting mechanism, a scraping mechanism arranged on one side of the wastewater collecting mechanism and a scraping flushing mechanism arranged on the side of the scraping mechanism, wherein the wastewater collecting mechanism comprises a wastewater collecting disc and a wastewater side collecting groove arranged on one side of the wastewater collecting disc; the scraping mechanism comprises a scraping eccentric shaft arranged in the wastewater side collecting tank, a driving assembly connected with the scraping eccentric shaft and a plurality of scraping groups arranged on the outer side edge of the scraping eccentric shaft; the scraping strip flushing mechanism comprises a plurality of flushing assemblies arranged on one side edge of the wastewater side collecting tank, and the flushing assemblies comprise water pipes and nozzles connected to the end parts of the water pipes and embedded into the inner wall of the wastewater side collecting tank. The utility model discloses a clean and moist strip of scraping scrapes the china ink to the shower nozzle and washs, can not appear that the shower nozzle damages and the phenomenon of color colour mixture between the different shower nozzles, and the cleaning performance is good moreover, and is efficient, has guaranteed that the shower nozzle after wasing carries out the precision of jet printing operation.
Description
Technical Field
The utility model relates to a calico printing machine field especially relates to a calico printing machine shower nozzle self-cleaning device.
Background
When the printing machine works, the printing operation is realized by fast moving and high-speed ink jetting of a mechanism provided with a nozzle. In order to print different color patterns, different nozzles eject different color inks. In order to ensure that the nozzle can accurately perform ink-jet action in each operation and prevent the occurrence of phenomena of ink condensation, nozzle hole blockage and the like, the nozzle needs to be cleaned after long-term ink-jet operation.
The conventional method for cleaning the spray head is that a dry brush is adopted to directly brush the spray head manually, and because the spray head is very precise and the holes on the spray head are very small, dry objects are adopted to directly brush or scrape the spray head, the spray head is inevitably damaged, the precision of the spray head is reduced, and the precision of ink jet of the spray head is finally influenced; moreover, the efficiency is low due to manual operation. Simultaneously, because the different shower nozzles can spout the ink of different colours according to concrete needs, if use the shower nozzle that same brush brushed the difference, must can appear the problem of color colour mixture between the different shower nozzles, produce very big influence to the inkjet printing in later stage.
SUMMERY OF THE UTILITY MODEL
To the above, it is not enough that an object of the utility model is to provide a calico printing machine shower nozzle self-cleaning device adopts clean and moist scraping strip to scrape the china ink and wash the shower nozzle, can not appear that the shower nozzle damages and the phenomenon of color colour mixture between the different shower nozzles, and the cleaning performance is good moreover, and is efficient, has guaranteed that the shower nozzle after wasing carries out the precision of jet printing operation.
The utility model discloses a reach the technical scheme that above-mentioned purpose adopted and be:
an automatic cleaning device for a spray head of a printing machine is characterized by comprising a wastewater collecting mechanism, a bar scraping mechanism arranged on one side edge of the wastewater collecting mechanism and a bar scraping flushing mechanism arranged on the side edge of the bar scraping mechanism, wherein the wastewater collecting mechanism comprises a wastewater collecting disc and a wastewater side collecting groove arranged on one side edge of the wastewater collecting disc; the scraping mechanism comprises an ink scraping eccentric shaft arranged in a wastewater side collecting tank, a driving assembly connected with the ink scraping eccentric shaft, and a plurality of scraping groups arranged on the outer side edge of the ink scraping eccentric shaft; the scraping strip flushing mechanism comprises a plurality of flushing assemblies arranged on one side edge of the wastewater side collecting tank, wherein each flushing assembly comprises a water pipe and a nozzle connected to the end part of the water pipe and embedded into the inner wall of the wastewater side collecting tank.
As a further improvement of the present invention, the ink scraping eccentric shaft includes a rotating shaft disposed in the wastewater side collecting tank and extending along the length direction of the wastewater side collecting tank, and an eccentric connecting shaft disposed at both ends of the rotating shaft and biased toward one side, and the rotating shaft is divided into a convex side and a non-convex side along the extending direction of the eccentric connecting shaft; the wiper strip set is disposed on the protruding side of the rotating shaft.
As a further improvement of the present invention, the scraping strip group mainly comprises two scraping strips which are oppositely arranged, one side of the upper end of the scraping strip is provided with an inclined plane, the other side of the upper end of the scraping strip is provided with a strip-shaped inner groove, and a strip-shaped scraping part is formed at the upper end of the scraping strip; and a fan-shaped mounting groove for mounting the scraping strip is formed in the protruding side of the rotating shaft.
As a further improvement, the driving assembly includes a first bearing seat disposed at an outer end of the wastewater side collecting tank, a first deep groove ball bearing disposed in the first bearing seat and sleeved on the periphery of the eccentric connecting shaft, a motor mounting seat disposed on the side of the first bearing seat, a speed reduction motor disposed on the motor mounting seat, and a transmission gear set disposed on the motor mounting seat and connected to the output shaft of the speed reduction motor, wherein the transmission gear set is connected to the end of the eccentric connecting shaft.
As a further improvement, the wastewater collecting tray includes a wastewater main collecting tank and an upper cover plate covering the wastewater main collecting tank, wherein a plurality of water holes are provided on the upper cover plate, and at least one water outlet hole is provided at the lower end of the wastewater main collecting tank.
As a further improvement, the wastewater side collecting tank is communicated with the wastewater main collecting tank through at least one water hole.
As a further improvement of the utility model, the water holes are strip-shaped holes.
As a further improvement, the utility model is provided with a support on the outside of the waste water side collecting tank, be connected through a quick-operation joint between water pipe and the nozzle, quick-operation joint sets up on the support.
As a further improvement, the other outer end of the waste water side collecting tank is provided with a second bearing seat, a second deep groove ball bearing which is sleeved on the periphery of the eccentric connecting shaft is arranged in the second bearing seat, and an angle limiting induction sheet is arranged at the end part of the eccentric connecting shaft.
As a further improvement of the utility model, two proximity switches are relatively arranged on the second bearing seat.
The utility model has the advantages that: mechanism is collected through the waste water that has the special construction design, scrape a mechanism and wash and combine together, before scraping black washing shower nozzle, soak and wash scraping the strip earlier, make and scrape the strip and be in clean and moist state, scrape black the washing to the shower nozzle again, can know from this, clean and moist strip of scraping, neither can scrape the flower, damage the shower nozzle, can not make foul or different colors on the shower nozzle yet, then the phenomenon of color colour mixture between shower nozzle damage and the different shower nozzles can not appear, and to scraping black of shower nozzle rinse very clean, the cleaning performance is good, the shower nozzle after having guaranteed to wash carries out the precision of ink jet printing operation. Meanwhile, the mechanism replaces manpower to automatically clean the spray head, and the cleaning efficiency of the spray head is greatly improved.
The above is an overview of the technical solution of the present invention, and the present invention is further explained with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the overall structure of a side of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
fig. 3 is a schematic structural view of the ink scraping eccentric shaft of the present invention;
FIG. 4 is a schematic structural view of the combination of the eccentric wiping shaft and the wiping strip set of the present invention;
FIG. 5 is a schematic structural view of the scraping strip of the present invention;
FIG. 6 is a schematic structural view of the wastewater collection mechanism of the present invention;
fig. 7 is a schematic view of a part of the structure of the bar scraping mechanism of the present invention;
fig. 8 is a schematic view of the overall structure of another side of the present invention;
fig. 9 is a schematic structural view of the present invention in combination with a mounting base with a nozzle.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings and preferred embodiments.
Referring to fig. 1 and 2, an embodiment of the present invention provides an automatic cleaning device for a spray head of a printing machine, including a waste water collecting mechanism 1, a strip scraping mechanism 2 disposed on one side of the waste water collecting mechanism 1, and a strip scraping and washing mechanism 3 disposed on one side of the strip scraping mechanism 2. The wastewater collection mechanism 1 includes a wastewater collection tray 11 and a wastewater side collection tank 12 disposed on one side of the wastewater collection tray 11. The scraping bar mechanism 2 comprises an eccentric scraping shaft 21 arranged in the wastewater side collecting tank 12, a driving component 22 connected with the eccentric scraping shaft 21, and a plurality of scraping bar groups 23 arranged on the outer side edge of the eccentric scraping shaft 21. The scraping strip flushing mechanism 3 comprises a plurality of flushing assemblies 31 arranged on one side edge of the waste water side collecting tank 12, and each flushing assembly 31 comprises a water pipe 311 and a nozzle 312 which is connected to the end part of the water pipe 311 and embedded into the inner wall of the waste water side collecting tank 12.
In the initial state, the scraping bar group 23 of the scraping bar mechanism 2 faces downwards and is wetted by the water in the wastewater side collecting tank 12, so that the scraping bar group 23 is in a wet state; then, the driving assembly 22 drives the scraping eccentric shaft 21 to turn over 180 degrees towards one side of the flushing assembly 31, in the turning process, the scraping bar group 23 on the scraping eccentric shaft 21 turns over, when the scraping bar group 23 rotates 90 degrees, the nozzle 312 of the scraping bar flushing mechanism 3 sprays water to the scraping bar group 23, the scraping bar group 23 is flushed, and the scraping bar group 23 is flushed; when the scraping strip group 23 rotates until the scraping strip group 23 rotates in place, the scraping strip group 23 faces upwards and just scrapes the upper spray head, the spray head is cleaned, waste ink on the spray head is scraped, the waste ink is cleaned, and waste ink generated after cleaning flows into the waste water collecting tray 11 or the waste water side collecting tank 12.
Specifically, as shown in fig. 3 and 4, the scraping eccentric shaft 21 includes a rotating shaft 211 disposed in the waste water side collecting tank 12 and extending along the length direction of the waste water side collecting tank 12, and an eccentric connecting shaft 212 disposed at both ends of the rotating shaft 211 and biased to one side, and the rotating shaft 211 is divided into a convex side 2121 and a non-convex side 2122 along the extending direction of the eccentric connecting shaft 212; the blade group 23 is disposed on the convex side 2121 of the rotational shaft 211. By the design of the eccentric protruding shaft of the eccentric wiping shaft 21, when the eccentric wiping shaft 21 turns over until the convex side 2121 of the rotating shaft 211 and the scraper group 23 face upwards, the scraper group 23 can scrape the upper nozzle under the action of the protrusion of the convex side 2121, so that the nozzle can be cleaned, and waste ink on the nozzle can be scraped.
As for the specific structure of the scraping bar group 23, as shown in fig. 4 and 5, the scraping bar group 23 mainly comprises two oppositely disposed scraping bars 231, one side of the upper end of the scraping bar 231 is provided with an inclined surface 2311, and the other side of the upper end of the scraping bar 231 is provided with a strip-shaped inner groove 2312, and it is the design of the inclined surface 2311 and the strip-shaped inner groove 2312 at the upper end of the scraping bar 231, so that a strip-shaped scraping portion 2313 is formed at the upper end of the scraping bar 231, and the thickness of the strip-shaped scraping portion 2313 is relatively thin, thereby facilitating the ink scraping operation of the head. Meanwhile, a fan-shaped mounting groove 21211 for mounting the wiper strip 231 is formed on the protruding side 2121 of the rotating shaft 211.
In the present embodiment, as shown in fig. 2 and 7, the driving assembly 22 includes a first bearing seat 221 disposed at an outer end of the waste water side collecting tank 12, a first deep groove ball bearing 222 disposed in the first bearing seat 221 and sleeved on the periphery of the eccentric connecting shaft 212, a motor mounting seat 223 disposed on a side of the first bearing seat 221, a speed reducing motor 224 disposed on the motor mounting seat 223, and a transmission gear set 225 disposed on the motor mounting seat 223 and connected to an output shaft of the speed reducing motor, wherein the transmission gear set 225 is connected to an end of the eccentric connecting shaft 212. The power is provided by the speed reducing motor 224, and the power is transmitted to the eccentric scraping shaft 21 by the transmission gear set 225, so that the eccentric scraping shaft 21 is driven to rotate, and the scraper bar set 23 is driven to rotate along with the rotation. Before rinsing the shower nozzle, scrape strip group 23 down, by the water logging in waste water side collecting vat 12 wet, and when needs scrape the china ink and wash the shower nozzle, can be along with 180 degrees upsets, make scrape strip group 23 up, be convenient for scrape the china ink and wash the operation to the shower nozzle.
As shown in fig. 1 and fig. 6, the wastewater collection tray 11 includes a main wastewater collection tank 111, and an upper cover plate 112 covering the upper end of the main wastewater collection tank 111, wherein a plurality of water through holes 1121 are formed in the upper cover plate 112, and when the ink-scraping group 23 scrapes and cleans the nozzle, the generated waste ink drips and flows into the main wastewater collection tank 111 through the water through holes 1121. Meanwhile, at least one water outlet 1111 is disposed at a lower end of the main wastewater collection tank 111, and waste water collected in the main wastewater collection tank 111 is discharged through the water outlet 1111.
When washing assembly 31 washes bar group 23, waste water is also generated, and in order to discharge waste water in time, at least one water through hole 121 is arranged between waste water side collecting tank 12 and main waste water collecting tank 111 for communication in the embodiment. In this embodiment, it is preferable that the water passing hole 121 is a strip-shaped hole, and when the liquid level of the wastewater in the wastewater-side collecting tank 12 reaches the position of the water passing hole 121, the wastewater flows into the main wastewater collecting tank 111 through the water passing hole 121 and is finally discharged from the water outlet 1111.
As shown in fig. 1, a bracket 122 is disposed on the outer side of the wastewater-side collecting tank 12, the water pipe 311 is connected to the nozzle 312 through a quick coupling 313, and the quick coupling 313 is disposed on the bracket 122. Thus, by the connection of the quick connector 313, the water in the water pipe 311 can be quickly sprayed out from the nozzle 312, and the wiper strip set 23 can be conveniently washed. Typically, a water pump is added to the water line to move water through the water line 311 to the nozzle 312.
The automatic cleaning device for the nozzle of the decorating machine provided by this embodiment can directly control the rotation angle of the ink scraping eccentric shaft 21 by the speed reducing motor 224 of the driving assembly 22. Of course, the control can be carried out in a more intelligent mode, and a corresponding controller and a corresponding sensing device are additionally arranged for the device. Specifically, as shown in fig. 8, a second bearing seat 4 is disposed at the other outer end of the wastewater side collecting tank 12, a second deep groove ball bearing 5 sleeved on the periphery of the eccentric connecting shaft 212 is disposed in the second bearing seat 4, an angle limit sensing piece 6 is disposed at the end of the eccentric connecting shaft 212, the angle limit sensing piece 6 senses and limits the rotation angle of the scraping eccentric shaft 21, and after the scraping eccentric shaft 21 rotates by a specific angle, in order to prevent the scraping eccentric shaft 21 from stopping rotating in time, the angle limit sensing piece 6 can limit the motion of the scraping eccentric shaft 21, so that the rotation motion of the scraping eccentric shaft 21 is more accurate. Meanwhile, two proximity switches 7 may be relatively disposed on the second bearing block 4, where the proximity switch 7 is a position switch that can be operated without mechanically directly contacting with a moving part, and when the eccentric wiping shaft 21 rotates to a certain specific position, the proximity switch 7 may be activated, so as to provide a control instruction to a corresponding controller, so as to control the speed reduction motor 224 and other operation structures.
When the nozzle 20 is cleaned specifically, the nozzle 20 is placed above the cleaning device, and the nozzle 20 is positioned right above the blade group 23. Certainly, in order to improve the cleaning efficiency, the plurality of nozzles 20 are rapidly cleaned, a conventional translation mechanism may be added to the cleaning device, as shown in fig. 9, the plurality of nozzles 20 are installed at corresponding positions on the installation base 10, and the overall position of the cleaning device may be adjusted by the translation mechanism (not shown in the figure), so that the wiper group 23 moves to a position right below the corresponding nozzle 20, the plurality of wiper groups 23 simultaneously wipe and clean the plurality of nozzles 20, and after the cleaning is completed, the cleaning device may be moved to a next position by the movement of the translation mechanism, and other nozzles 20 are cleaned, thereby greatly improving the cleaning efficiency.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by adopting the same or similar technical features as the above embodiments of the present invention are all within the protection scope of the present invention.
Claims (10)
1. An automatic cleaning device for a spray head of a printing machine is characterized by comprising a wastewater collecting mechanism, a bar scraping mechanism arranged on one side edge of the wastewater collecting mechanism and a bar scraping flushing mechanism arranged on the side edge of the bar scraping mechanism, wherein the wastewater collecting mechanism comprises a wastewater collecting disc and a wastewater side collecting groove arranged on one side edge of the wastewater collecting disc; the scraping mechanism comprises an ink scraping eccentric shaft arranged in a wastewater side collecting tank, a driving assembly connected with the ink scraping eccentric shaft, and a plurality of scraping groups arranged on the outer side edge of the ink scraping eccentric shaft; the scraping strip flushing mechanism comprises a plurality of flushing assemblies arranged on one side edge of the wastewater side collecting tank, wherein each flushing assembly comprises a water pipe and a nozzle connected to the end part of the water pipe and embedded into the inner wall of the wastewater side collecting tank.
2. The automatic cleaning device for the spray head of the printing machine according to claim 1, wherein the scraping eccentric shaft comprises a rotating shaft which is arranged in the waste water side collecting tank and extends along the length direction of the waste water side collecting tank, and eccentric connecting shafts which are respectively arranged at two ends of the rotating shaft and are deviated to one side, and the rotating shaft is divided into a convex side and a non-convex side along the extending direction of the eccentric connecting shafts; the wiper strip set is disposed on the protruding side of the rotating shaft.
3. The automatic cleaning device for the spray head of the printing machine according to claim 2, wherein the scraping strip group mainly comprises two oppositely arranged scraping strips, one side of the upper end of each scraping strip is provided with an inclined surface, the other side of the upper end of each scraping strip is provided with a strip-shaped inner groove, and a strip-shaped scraping part is formed at the upper end of each scraping strip; and a fan-shaped mounting groove for mounting the scraping strip is formed in the protruding side of the rotating shaft.
4. The automatic cleaning device for the spray head of the printing machine according to claim 2, wherein the driving assembly comprises a first bearing seat arranged at an outer end part of the waste water side collecting tank, a first deep groove ball bearing arranged in the first bearing seat and sleeved at the periphery of the eccentric connecting shaft, a motor mounting seat arranged on the side edge of the first bearing seat, a speed reducing motor arranged on the motor mounting seat, and a transmission gear set arranged on the motor mounting seat and connected to an output shaft of the speed reducing motor, wherein the transmission gear set is connected to the end part of the eccentric connecting shaft.
5. The automatic cleaning device for the spray head of a printing machine according to claim 1, wherein the waste water collecting tray comprises a main waste water collecting tank and an upper cover plate covering the upper end of the main waste water collecting tank, wherein a plurality of water through holes are formed in the upper cover plate, and at least one water outlet hole is formed in the lower end of the main waste water collecting tank.
6. The automatic cleaning device for the spray head of the printing machine according to claim 5, wherein the waste water side collecting tank is communicated with the main waste water collecting tank through at least one water through hole.
7. The automatic cleaning device for the spray head of the printing machine according to claim 6, wherein the water passing holes are strip-shaped holes.
8. The automatic cleaning device for the spray head of the printing machine according to claim 1, wherein a bracket is arranged on the outer side of the waste water side collecting tank, the water pipe is connected with the spray nozzle through a quick coupling, and the quick coupling is arranged on the bracket.
9. The automatic cleaning device for the spray head of the printing machine according to claim 2, wherein a second bearing seat is arranged at the other outer end part of the waste water side collecting tank, a second deep groove ball bearing sleeved on the periphery of the eccentric connecting shaft is arranged in the second bearing seat, and an angle limiting induction sheet is arranged at the end part of the eccentric connecting shaft.
10. The automatic cleaning device for the spray head of the printing machine according to claim 9, wherein two proximity switches are oppositely arranged on the second bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821829680.8U CN212194710U (en) | 2018-11-07 | 2018-11-07 | Automatic cleaning device for spray head of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821829680.8U CN212194710U (en) | 2018-11-07 | 2018-11-07 | Automatic cleaning device for spray head of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212194710U true CN212194710U (en) | 2020-12-22 |
Family
ID=73806237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821829680.8U Active CN212194710U (en) | 2018-11-07 | 2018-11-07 | Automatic cleaning device for spray head of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212194710U (en) |
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2018
- 2018-11-07 CN CN201821829680.8U patent/CN212194710U/en active Active
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Effective date of registration: 20201221 Address after: Room 101, building 2, 17 xintangyuan 1st Road, Houjie Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Zhonglian century Fangda Digital Technology Co., Ltd Address before: No.13, Shenxi Road, Baihao Industrial Zone, Houjie Town, Dongguan City, Guangdong Province Patentee before: GUANGDONG CENTURY FONDA DIGITAL TECHNOLOGY Co.,Ltd. |