CN108995388B - Printing ink circulating device - Google Patents
Printing ink circulating device Download PDFInfo
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- CN108995388B CN108995388B CN201810898818.8A CN201810898818A CN108995388B CN 108995388 B CN108995388 B CN 108995388B CN 201810898818 A CN201810898818 A CN 201810898818A CN 108995388 B CN108995388 B CN 108995388B
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- ink
- ink box
- cover plate
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- waste
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/18—Ink recirculation systems
- B41J2/185—Ink-collectors; Ink-catchers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17513—Inner structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/195—Ink jet characterised by ink handling for monitoring ink quality
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/18—Ink recirculation systems
- B41J2/185—Ink-collectors; Ink-catchers
- B41J2002/1856—Ink-collectors; Ink-catchers waste ink containers
Abstract
The invention discloses an ink circulation device, comprising: a main ink cartridge; the main ink box comprises an ink box main body, an ink box inner container and an ink box cover plate which is covered on the ink box inner container in a sealing way; the ink box cover plate is connected with a backflow connector, and the backflow connector is connected with a transfusion mechanism; the ink box cover plate is provided with a rotating shaft through hole; the ink box cover plate is also connected with a stirring mechanism; the stirring mechanism comprises a stirring rod and a direct current motor; the stirring rod is connected with a coupler, and the coupler is connected with a direct current motor. The liquid conveying mechanism can guide ink or waste ink which flows back from the printing nozzle to the inner container of the ink box through the backflow connector, so that the ink can be prevented from precipitating and caking in the nozzle or an ink supply pipeline, and the normal operation of the printer is guaranteed; this main ink horn is seal structure, and the rabbling mechanism that its set utilizes external direct current motor to provide power for built-in stirring rod, carries out stirring operation to the ink in the ink horn inner bag, makes the ink be in non-static state, prevents that the phenomenon of segregation that stews from appearing in the ink, has improved the printing quality of printer.
Description
Technical Field
The application relates to the technical field of ink-jet printers, in particular to an ink circulating device.
Background
The ink-jet printer can directly print the information such as images, characters and the like processed by the computer on the materials. The ink box supplies ink to the nozzle through the ink supply pipe, and then patterns or character information is printed on the material according to a preset program. However, since the ink has specific components, the specific gravity of the ink itself is high, the anti-settling property is poor, and the ink is likely to precipitate when left standing in an ink cartridge for a long time, and separate and form layers, which may cause uneven printing, and thus, poor printing effect may be obtained.
In view of the above, it is an important subject of research by those skilled in the art to find an ink circulation device capable of overcoming the above problems.
Disclosure of Invention
The invention aims to solve the technical problem that in the prior art, the printing ink circulating device is provided to solve the problem that the printing quality is influenced by the fact that the printing ink of an ink printer is precipitated and separated to form layers due to long-time standing.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an ink circulation device comprising: a main cartridge having a sealed structure;
the main ink box comprises an ink box main body, an ink box inner container positioned in the ink box main body, and an ink box cover plate covering the ink box inner container;
the top surface of the ink box cover plate is connected with a backflow connector, the backflow connector is connected with a liquid conveying mechanism, and the liquid conveying mechanism is used for pumping ink into the main ink box;
the ink box cover plate is provided with a rotating shaft through hole; the top surface of the ink box cover plate is also hermetically connected with a stirring mechanism; the stirring mechanism comprises a stirring rod positioned in the main ink box and a direct current motor positioned outside the main ink box;
the top end of the stirring rod penetrates through the rotating shaft through hole and is exposed outside the main ink box, the top end of the stirring rod is fixedly connected with a coupler, and one end, far away from the stirring rod, of the coupler is fixedly connected with the direct current motor.
Optionally, the stirring rod is of an integral structure and comprises a rotating shaft and a limiting disc arranged on the rotating shaft; the limiting disc is positioned below the ink box cover plate and used for limiting the relative position of the stirring rod and the ink box cover plate;
the stirring rod is also provided with a first stirring paddle and a second stirring paddle, and the first stirring paddle and the second stirring paddle are respectively positioned at the middle part and the lower part;
the stirring rod is also sleeved with a silica gel sealing ring; the silica gel sealing ring is located between the limiting part and the ink box cover plate and used for sealing the rotating shaft through hole.
Optionally, the top surface of the ink box cover plate is hermetically connected with a motor fixing seat, and the direct current motor is connected to the top surface of the motor fixing seat;
the ink box cover plate is also provided with an ink injection through hole which is communicated with the ink box inner container;
the motor fixing seat is further provided with an ink injection port communicated with the ink injection through hole, and the ink injection port is covered with an ink box spiral cover in a sealing manner.
Optionally, the return joint includes a first bridge joint, and the first bridge joint is hermetically connected to the top surface of the ink box cover plate and communicated with the ink box liner of the main ink box;
the transfusion mechanism comprises a backflow ink pump, the backflow ink pump is connected with the first gap bridge connector in an airtight mode and is far away from one end of the ink box cover plate, and the backflow ink pump is used for pumping ink needing to flow back to an ink box inner container of the main ink box.
Optionally, the return joint further includes a second bridging joint, the second bridging joint is hermetically connected to the top surface of the ink box cover plate and communicated with the ink box liner of the main ink box;
the liquid conveying mechanism further comprises a waste liquid ink pump, and the waste liquid ink pump is connected to one end, far away from the ink box cover plate, of the second bridge joint in an airtight mode;
the waste liquid ink pump is also connected with a waste liquid caching tank; the waste ink pump can pump the waste ink in the waste ink buffer tank into the ink box inner container of the main ink box.
Optionally, the waste liquid buffer tank is a sealed structure and comprises a tank body and a sealing cover matched with the tank body;
the tank body is of an integral structure and is provided with an ink storage groove, the bottom end of the ink storage groove is also provided with an ink guide through hole, and the tank body is communicated with the waste liquid ink pump through the ink guide through hole;
the sealing cover is of an integrated structure and comprises a cover body and a trapezoidal boss, wherein the cover body is covered on the ink storage tank in a sealing mode, and the trapezoidal boss is connected to the lower portion of the cover body; the cover body is provided with a negative pressure through hole, and the negative pressure through hole is hermetically connected with a vacuum generator;
the sealing cover is also provided with a waste ink recovery through hole which sequentially penetrates through the cover body and the trapezoid boss, and waste ink can enter the ink storage tank through the waste ink recovery through hole.
Optionally, the backflow ink pump is further connected with a first solution filter in an airtight manner, and is used for filtering the backflow ink.
Optionally, a second solution filter is further hermetically connected between the waste ink pump and the waste ink buffer tank, and is used for filtering ink flowing back from the waste ink buffer tank.
Optionally, a liquid level control switch is further arranged in the main ink box, the upper end of the liquid level control switch is fixedly connected with the ink box cover plate, and the lower end of the liquid level control switch is located in the ink box inner container.
Optionally, the liquid level control switch is a double-float liquid level switch; the double-float liquid level switch comprises a connecting rod, and a liquid level monitoring float and a liquid level abnormity monitoring float which are sequentially sleeved on the connecting rod; the top end of the connecting rod is fixedly connected with the ink box cover plate.
Compared with the prior art, the invention has the following beneficial effects:
the present invention provides an ink circulation device, comprising: a main cartridge having a sealed structure; the main ink box comprises an ink box main body, an ink box inner container positioned in the ink box main body, and an ink box cover plate covering the ink box inner container; the top surface of the ink box cover plate is hermetically connected with a backflow connector, the backflow connector is hermetically connected with a liquid conveying mechanism, and the liquid conveying mechanism is used for pumping ink into the main ink box; the ink box cover plate is provided with a rotating shaft through hole; the top surface of the ink box cover plate is also hermetically connected with a stirring mechanism; the stirring mechanism comprises a stirring rod positioned in the main ink box and a direct current motor positioned outside the main ink box; the top end of the stirring rod penetrates through the rotating shaft through hole and is exposed outside the main ink box, the top end of the stirring rod is fixedly connected with a coupler, and one end, far away from the stirring rod, of the coupler is fixedly connected with the direct current motor. The liquid conveying mechanism can guide the ink or waste ink which flows back from the printing nozzle to the ink box liner of the main ink box through the backflow connector, so that the fluidity of the ink is guaranteed, the ink can be prevented from precipitating and caking in the nozzle or an ink supply pipeline, and the normal operation of the printer is guaranteed; moreover, the main ink box is of a sealing structure, the stirring mechanism provided with the main ink box utilizes the external direct current motor to provide power for the built-in stirring rod, and the ink in the inner container of the ink box is stirred regularly or continuously, so that the ink in the main ink box is in a non-static state, the phenomena of precipitation and segregation of the ink are prevented, the uniformity and consistency of the ink are ensured, and the printing quality of the printer is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 view of the main ink cartridge in this embodiment;
FIG. 2 is a schematic view of an ink path of the ink circulation device in this embodiment;
FIG. 3 is an exploded view of the main ink cartridge in the present embodiment;
fig. 4 is a schematic structural diagram of a waste liquid buffer tank.
Illustration of the drawings:
10. a main ink cartridge; 101. an ink cartridge main body; 102. an ink box inner container; 103. an ink cartridge cover plate; 1031. a through hole of the rotating shaft; 1032. ink injection through holes;
201. a waste ink collecting device; 202. a maintenance device; 203. a first solution filter; 204. a second solution filter; 205. a return ink pump; 206. a waste ink pump; 207. a vacuum generator; 208. a vacuum moisture separator; 209. an electromagnetic valve;
301. a direct current motor; 302. a coupling; 303. a stirring rod; 3031. a rotating shaft; 3032. a limiting disc; (ii) a 3033. A first stirring paddle; 3034. a second stirring paddle;
401. a first bridge fitting; 402. a second gap bridge joint;
50. a waste liquid buffer tank; 501. a tank body; 502. a sealing cover; 5021. a cover body; 5022. a trapezoidal boss; 5023. a negative pressure through hole; 5024. a waste ink recovery through hole; 5025. an ink guide through hole;
60. a motor fixing seat; 601. an ink injection port; 602. screwing a cover of the ink box;
701. a connecting rod; 702. a liquid level monitoring float; 703. the liquid level anomaly monitors the float.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 to 3, the present embodiment provides an ink circulation device, including: a main cartridge 10 of a sealed structure;
the main ink box 10 comprises an ink box main body 101, an ink box inner container 102 positioned in the ink box main body 101, and an ink box cover plate 103 covering the ink box inner container 102;
the top surface of the ink box cover plate 103 is connected with a backflow connector in an airtight way, and the backflow connector is connected with a transfusion mechanism in an airtight way; it can be understood that, in a conventional printer, a waste ink collecting device 201 and a maintenance device 202 for maintaining the nozzle are provided, the waste ink collecting device 201 is mainly used for collecting waste ink, and the maintenance device 202 is mainly used for cleaning the waste ink remained on the nozzle, while the present liquid feeding mechanism can be connected to the waste ink collecting device 201 and the maintenance device 202 through pipes according to actual operation, and the liquid feeding mechanism can pump the ink into the main ink box 10 for recycling the ink;
the ink box cover plate 103 is provided with a rotating shaft through hole 1031; the top surface of the ink box cover plate 103 is also connected with a stirring mechanism in an airtight way; the stirring mechanism comprises a stirring rod 303 positioned in the main ink box 10 and a direct current motor 301 positioned outside the main ink box 10;
the top end of the stirring rod 303 passes through the rotating shaft through hole 1031 and is exposed to the outside of the main ink cartridge 10, the top end of the stirring rod 303 is fixedly connected with a coupler 302, and one end of the coupler 302 far away from the stirring rod 303 is fixedly connected with the direct current motor 301.
Further, the return joint comprises a first bridging joint 401, the first bridging joint 401 is hermetically connected to the top surface of the ink box cover 103 and is communicated with the ink box liner 102 of the main ink box 10;
the fluid delivery mechanism includes a return ink pump 205, and the return ink pump 205 is hermetically connected to an end of the first bridge connector 401 away from the ink cartridge cover 103. it will be appreciated that the return ink pump 205 can be connected to the maintenance device 202 via a pipe according to actual operation, and pumps ink to be returned to the ink cartridge inner container 102 of the main ink cartridge 10.
Further, the return joint further comprises a second bridging joint 402, the second bridging joint 402 is hermetically connected to the top surface of the ink box cover 103 and is communicated with the ink box liner 102 of the main ink box 10;
the liquid conveying mechanism further comprises a waste ink pump 206, wherein the waste ink pump 206 is connected to one end, far away from the ink box cover plate 103, of the second bridge joint 402 in an airtight mode;
the waste ink pump 206 is also connected to a waste ink buffer tank 50. it will be appreciated that the waste ink buffer tank 50 may be connected to the waste ink collecting device 201 via a pipe to buffer waste ink, and the waste ink pump 206 may pump waste ink from the waste ink buffer tank 50 into the tank liner 102 of the main ink tank 10.
Further, referring to fig. 3, which is an exploded view of the main ink cartridge 10 in the embodiment, the stirring rod 303 is an integrated structure and includes a rotating shaft 3031 and a limiting disc 3032 disposed on the rotating shaft 3031; it will be appreciated that after assembly is complete, the restraining disc 3032 will be located below the cartridge cover plate 103 to limit the relative positions of the agitator bars 303 and the cartridge cover plate 103;
the stirring rod 303 is further provided with a first stirring paddle 3033 and a second stirring paddle 3034, and the first stirring paddle 3033 and the second stirring paddle 3034 are respectively positioned in the middle and the lower part; particularly, the two stirring paddles can effectively improve the stirring effect;
wherein, the stirring rod 303 is also sleeved with a silica gel sealing ring (not marked in the figure); the silica gel sealing ring is located between the limiting part and the ink box cover plate 103 and used for sealing the rotating shaft through hole 1031, so that the air tightness of the main ink box 10 can be guaranteed, and the ink is prevented from being splashed out due to overlarge stirring action.
Further, the top surface of the ink box cover plate 103 is hermetically connected with a motor fixing seat 60, and the direct current motor 301 is connected to the top surface of the motor fixing seat 60;
the ink box cover plate 103 is also provided with an ink injection through hole 1032, and the ink injection through hole 1032 is communicated with the ink box liner 102;
the motor fixing base 60 is further provided with an ink injection port 601 communicated with the ink injection through hole 1032, and the ink injection port 601 is covered with an ink box screw cover 602.
Specifically, the design of arranging the ink injection port 601 on the motor fixing seat 60 is adopted, and through the simple function integration, the occupied volume of two functional parts is reduced, the structure of the main ink box 10 can be effectively optimized, and the whole volume is reduced.
Further, please refer to fig. 4, which is a schematic structural diagram of the waste liquid buffer tank 50, wherein the waste liquid buffer tank 50 is a sealed structure, and includes a tank 501 and a sealing cover 502 matching with the tank 501;
the tank 501 is an integral structure and is provided with an ink storage tank, the bottom end of the ink storage tank is also provided with an ink guide through hole 5025, and the tank 501 is communicated with the waste ink pump 206 through the ink guide through hole 5025;
the seal cap 502 is an integral structure, and includes a cap 5021 that is sealed over the ink storage tank, and a trapezoidal boss 5022 connected to the lower part of the cap 5021; the cover 5021 is provided with a negative pressure through hole 5023, and the negative pressure through hole 5023 is hermetically connected with a vacuum generator 207;
the seal cap 502 further defines a waste ink recovery through hole 5024 sequentially passing through the cap 5021 and the trapezoidal boss 5022, and waste ink can enter the ink reservoir through the waste ink recovery through hole 5024.
It will be appreciated that in actual operation, the vacuum generator 207 will be hermetically connected to the negative pressure through hole 5023 through a conduit; the vacuum generator 207 serves as a negative pressure adsorption source and can provide negative pressure for the waste liquid cache tank 50 and suck waste ink into the ink storage tank of the waste liquid cache tank 50 from the waste ink collecting device 201, wherein a trapezoidal boss 5022 is arranged below the sealing cover 502, so that the height of the waste ink recovery hole is lower than that of the negative pressure through hole 5023, by adopting the layered isolation type design, the sucked ink can directly fall to the bottom of the ink storage tank and cannot enter the negative pressure through hole 5023, the situation that the recovered ink enters the vacuum generator 207 through the negative pressure through hole 5023 is avoided, and the normal operation of the device is effectively guaranteed.
As shown in fig. 2, a first solution filter 203 is further connected between the return ink pump 205 and the maintenance device 202 in an airtight manner, for filtering the returned ink. A second solution filter 204 is also hermetically connected between the waste ink pump 206 and the waste buffer tank 50 for filtering ink returning from the waste buffer tank 50.
Specifically, the two solution filters can filter the ink, so that waste ink is prevented from polluting the ink in the main ink box 10, the ink is kept consistent, and the printing quality is further guaranteed.
Referring to fig. 3, a liquid level control switch is further disposed in the main ink cartridge 10, an upper end of the liquid level control switch is fixedly connected to the ink cartridge cover plate 103, and a lower end of the liquid level control switch is disposed in the ink cartridge liner 102.
Wherein, the liquid level control switch is a double-float liquid level switch; the double-float liquid level switch comprises a connecting rod 701, and a liquid level monitoring float 702 and a liquid level abnormity monitoring float 703 which are sequentially sleeved on the connecting rod 701; the top end of the connecting rod 701 is fixedly connected with the ink box cover plate 103.
Specifically, under the action of the liquid level monitoring float 702 and the liquid level abnormality monitoring float 703, a printer operator can monitor the ink height in the main ink cartridge 10, and can add ink in time according to actual conditions, thereby ensuring the normal operation of the printer.
In this embodiment, a vacuum-moisture separator 208 and a solenoid valve 209 are further connected between the waste liquid buffer tank 50 and the waste ink collecting device 201; the electromagnetic valve 209 has a switch function, and when the electromagnetic valve 209 is opened, ink can pass through the pipeline and be sucked into the ink storage tank of the waste liquid buffer tank 50; the vacuum moisture separator 208 prevents contamination of the ink.
In this embodiment, the ink cartridge liner 102 is formed by turning a blank-core-free bar machine without making a mold and opening the mold, and is suitable for small-batch rapid production. The bottom of the device adopts a process boss design, so that the wall thickness of the middle part is increased, and the use safety is effectively improved. Moreover, the material is white Teflon, and has the advantages of good acid resistance, alkali resistance, corrosion resistance and the like.
The embodiment provides an ink circulating device, wherein an infusion mechanism in the device can guide ink or waste ink which flows back from a printing nozzle to an ink box liner 102 of a main ink box 10 through a backflow connector, so that the fluidity of the ink is ensured, the ink can be prevented from precipitating and caking in the nozzle or an ink supply pipeline, and the normal operation of a printer is ensured; moreover, the main ink box 10 is a sealed structure, and the stirring mechanism provided with the main ink box provides power for the built-in stirring rod 303 by using the external direct current motor 301 to perform timed or continuous stirring operation on the ink in the inner container 102 of the ink box, so that the ink in the main ink box 10 is in a non-static state, the separation and layering phenomena of the ink are prevented, the uniformity and consistency of the ink are ensured, and the printing quality of the printer is effectively improved.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. An ink circulation device, comprising: a main cartridge having a sealed structure;
the main ink box comprises an ink box main body, an ink box inner container positioned in the ink box main body, and an ink box cover plate covering the ink box inner container;
the top surface of the ink box cover plate is connected with a backflow connector, the backflow connector is connected with a liquid conveying mechanism, and the liquid conveying mechanism is used for pumping ink into the main ink box;
the ink box cover plate is provided with a rotating shaft through hole; the top surface of the ink box cover plate is also hermetically connected with a stirring mechanism; the stirring mechanism comprises a stirring rod positioned in the main ink box and a direct current motor positioned outside the main ink box;
the top end of the stirring rod penetrates through the rotating shaft through hole and is exposed out of the main ink box, the top end of the stirring rod is fixedly connected with a coupler, and one end, far away from the stirring rod, of the coupler is fixedly connected with the direct current motor;
the backflow connector also comprises a second bridging connector which is hermetically connected to the top surface of the ink box cover plate and communicated with the ink box inner container of the main ink box;
the liquid conveying mechanism further comprises a waste liquid ink pump, and the waste liquid ink pump is connected to one end, far away from the ink box cover plate, of the second bridge joint in an airtight mode;
the waste liquid ink pump is also connected with a waste liquid caching tank; the waste ink pump can pump the waste ink of the waste ink buffer tank into the ink box inner container of the main ink box;
the waste liquid buffer tank is a sealing structure and comprises a tank body and a sealing cover matched with the tank body;
the tank body is of an integral structure and is provided with an ink storage groove, the bottom end of the ink storage groove is also provided with an ink guide through hole, and the tank body is communicated with the waste liquid ink pump through the ink guide through hole;
the sealing cover is of an integrated structure and comprises a cover body and a trapezoidal boss, wherein the cover body is covered on the ink storage tank in a sealing mode, and the trapezoidal boss is connected to the lower portion of the cover body; the cover body is provided with a negative pressure through hole, and the negative pressure through hole is hermetically connected with a vacuum generator;
the sealing cover is also provided with a waste ink recycling through hole which sequentially penetrates through the cover body and the trapezoid boss, and waste ink can enter the ink storage tank through the waste ink recycling through hole;
and a second solution filter is also hermetically connected between the waste liquid ink pump and the waste liquid buffer tank and used for filtering the ink flowing back from the waste liquid buffer tank.
2. The ink circulation device as claimed in claim 1, wherein the stirring rod is a unitary structure including a rotation shaft and a limiting disc disposed on the rotation shaft; the limiting disc is positioned below the ink box cover plate and used for limiting the relative position of the stirring rod and the ink box cover plate;
the stirring rod is also provided with a first stirring paddle and a second stirring paddle, and the first stirring paddle and the second stirring paddle are respectively positioned in the middle of the rotating shaft and at the lower part of the rotating shaft;
the stirring rod is also sleeved with a silica gel sealing ring; the silica gel sealing ring is located between the limiting disc and the ink box cover plate and used for sealing the rotating shaft through hole.
3. The ink circulation device of claim 1, wherein the top surface of the ink box cover plate is hermetically connected with a motor fixing seat, and the direct current motor is connected to the top surface of the motor fixing seat;
the ink box cover plate is also provided with an ink injection through hole which is communicated with the ink box inner container;
the motor fixing seat is further provided with an ink injection port communicated with the ink injection through hole, and the ink injection port is covered with an ink box spiral cover in a sealing manner.
4. The ink circulation device of claim 1, wherein the return connection comprises a first bridge connection that is hermetically connected to a top surface of the ink tank cover and communicates with the tank liner of the main ink tank;
the transfusion mechanism comprises a backflow ink pump, the backflow ink pump is connected with the first gap bridge connector in an airtight mode and is far away from one end of the ink box cover plate, and the backflow ink pump is used for pumping ink needing to flow back to an ink box inner container of the main ink box.
5. The ink circulation device of claim 4, wherein the return ink pump is further hermetically connected to a first solution filter for filtering the returned ink.
6. The ink circulation device as claimed in claim 1, wherein a liquid level control switch is further disposed in the main ink box, an upper end of the liquid level control switch is fixedly connected to the ink box cover plate, and a lower end of the liquid level control switch is disposed in the ink box inner container.
7. The ink circulation device of claim 6, wherein the level control switch is a dual float level switch; the double-float liquid level switch comprises a connecting rod, and a liquid level monitoring float and a liquid level abnormity monitoring float which are sequentially sleeved on the connecting rod; the top end of the connecting rod is fixedly connected with the ink box cover plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898818.8A CN108995388B (en) | 2018-08-08 | 2018-08-08 | Printing ink circulating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898818.8A CN108995388B (en) | 2018-08-08 | 2018-08-08 | Printing ink circulating device |
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| CN108995388A CN108995388A (en) | 2018-12-14 |
| CN108995388B true CN108995388B (en) | 2020-06-05 |
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| CN114132087A (en) * | 2021-10-26 | 2022-03-04 | 厦门墨逦标识科技有限公司 | Ink storage device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066115A (en) * | 2008-06-24 | 2011-05-18 | 马斯特满股份有限公司 | Printing device |
| CN202293674U (en) * | 2011-10-14 | 2012-07-04 | 深圳市润天智数字设备股份有限公司 | Ink barrel for inkjet printer |
| US9649848B1 (en) * | 2016-02-24 | 2017-05-16 | Ricoh Company, Ltd. | Ink recirculation for Drop-On-Demand ink jet systems |
| CN206856290U (en) * | 2017-06-23 | 2018-01-09 | 南京中彩九鼎数码科技有限公司 | A kind of main print cartridge of hermetically sealed stirring for being exclusively used in colored glazed glass digit inkjet printer |
| CN206856289U (en) * | 2017-06-23 | 2018-01-09 | 南京中彩九鼎数码科技有限公司 | A kind of circulation ink system for being exclusively used in colored glazed glass digit inkjet printer |
-
2018
- 2018-08-08 CN CN201810898818.8A patent/CN108995388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066115A (en) * | 2008-06-24 | 2011-05-18 | 马斯特满股份有限公司 | Printing device |
| CN202293674U (en) * | 2011-10-14 | 2012-07-04 | 深圳市润天智数字设备股份有限公司 | Ink barrel for inkjet printer |
| US9649848B1 (en) * | 2016-02-24 | 2017-05-16 | Ricoh Company, Ltd. | Ink recirculation for Drop-On-Demand ink jet systems |
| CN206856290U (en) * | 2017-06-23 | 2018-01-09 | 南京中彩九鼎数码科技有限公司 | A kind of main print cartridge of hermetically sealed stirring for being exclusively used in colored glazed glass digit inkjet printer |
| CN206856289U (en) * | 2017-06-23 | 2018-01-09 | 南京中彩九鼎数码科技有限公司 | A kind of circulation ink system for being exclusively used in colored glazed glass digit inkjet printer |
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| Publication number | Publication date |
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| CN108995388A (en) | 2018-12-14 |
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