KR101456879B1 - Ink feeding device for digital printing machine - Google Patents

Ink feeding device for digital printing machine Download PDF

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Publication number
KR101456879B1
KR101456879B1 KR1020130133233A KR20130133233A KR101456879B1 KR 101456879 B1 KR101456879 B1 KR 101456879B1 KR 1020130133233 A KR1020130133233 A KR 1020130133233A KR 20130133233 A KR20130133233 A KR 20130133233A KR 101456879 B1 KR101456879 B1 KR 101456879B1
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KR
South Korea
Prior art keywords
ink
air
solution
ink supply
reservoir
Prior art date
Application number
KR1020130133233A
Other languages
Korean (ko)
Inventor
최관수
Original Assignee
주식회사 디지아이
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Publication date
Application filed by 주식회사 디지아이 filed Critical 주식회사 디지아이
Priority to KR1020130133233A priority Critical patent/KR101456879B1/en
Application granted granted Critical
Publication of KR101456879B1 publication Critical patent/KR101456879B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17506Refilling of the cartridge
    • B41J2/17509Whilst mounted in the printer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17513Inner structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17543Cartridge presence detection or type identification
    • B41J2/17546Cartridge presence detection or type identification electronically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17553Outer structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17556Means for regulating the pressure in the cartridge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17596Ink pumps, ink valves

Abstract

The present invention relates to an ink supply apparatus for a digital printing machine, which comprises an ink reservoir storing different color inks, an ink supply hose connected to the ink reservoir in one-to-one correspondence and directly connected to each of the plurality of head units, And an ink intermittent valve provided in the ink supply hose for interrupting ink supply of the corresponding color from the ink reservoir to the head unit.
Unlike the prior art, according to the present invention, the inks of different colors are directly supplied to the head unit corresponding one-to-one, whereby the printing failure due to the mixing of the inks can be prevented.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an ink supplying apparatus for a digital printing machine,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ink supply apparatus for a digital printing machine, and more particularly, to a digital printing machine capable of preventing printing defects due to mixing of inks by supplying ink of different colors directly to head units corresponding one- To an ink supply apparatus.

Large-size photographs, wide colors, and banners are widely used, and a large-size ink-jet printer such as a printer for outputting the large-size image is widely used. When printing a large-size ink-jet printer,

The ink supply method for the printer is largely known as a method in which a cartridge preliminarily manufactured in the factory is directly mounted on a printer and supplied, and a method in which ink consumed in the printer is directly or indirectly supplied from outside without depending on a cartridge is known have.

In particular, due to the recent development of the industry, due to the needs of environment beautification and advertising, large scale photographs, wide colors, large banners and the like have been widely used and commercialized to output a more colorful and diverse design depending on computer graphics, And large-size printers are inevitably increasing.

As described above, the conventional ink supply apparatus for a large printer supplies each of the cartridges injected with a plurality of different colors of ink so as to supply various colors, and supplies ink of the required color and quantity to the head for jetting the ink.

The ink supply device is proposed in Korean Patent No. 10-0478922 (titled invention: ink supply device of printer).

Conventional large-sized printers have a problem in that a plurality of inks of different colors are transferred to a corresponding head through a single passage, resulting in a printing failure due to mixing of ink remaining in one passage and newly supplied ink.

Therefore, there is a need to improve this.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an ink supply apparatus for a digital printing machine which is capable of preventing printing defects due to mixing of inks by directly supplying inks of different colors to a head unit corresponding one to one, The purpose is to provide.

The present invention relates to an ink supply apparatus for a digital printing machine, which is configured to discharge ink remaining in a head unit by discharging ink through a head unit before printing, The purpose is to provide.

In addition, the present invention can selectively supply the solution to the hose for supplying each ink to the corresponding head unit, thereby eliminating the need for a separate bulky solution supply facility, thereby reducing the overall volume of the digital printing machine And to provide an ink supply device of a digital printing machine.

An ink supply device of a digital printing machine according to the present invention comprises: an ink reservoir storing ink of different colors; an ink supply hose directly connected to each of the plurality of head units, And an ink intermittent valve provided in the ink supply hose for interrupting ink supply of the corresponding color from the ink reservoir to the head unit.

Preferably, the ink supply hose includes a solution supply part to fill the solution.

The solution supply unit includes a solution reservoir for storing the solution, and a switching valve for selecting supply of the ink and the solution to the ink supply hose.

Each of the head units preferably includes an exhaust unit for initially exhausting air therein.

The exhaust unit includes an air transmission pipe member connected to each of the head units and guided to convey air to be discharged, and an air sharer connected to each of the air transfer pipe members to collect and discharge the air.

As described above, according to the ink supply device of the digital printing machine according to the present invention, unlike the prior art, the inks of different colors are directly supplied to the head units corresponding one-to-one, .

Further, according to the present invention, since the ink remaining in the head unit is exhausted by discharging the ink through the head unit before printing, it is possible to prevent the installation failure of the head unit by air and the printing failure.

In addition, the present invention makes it possible to selectively supply the solution to the hose for supplying each ink to the corresponding head unit, thereby eliminating the need for a separate bulky solution supply facility, thereby reducing the overall volume of the digital printing machine have.

1 is a side cross-sectional view of a digital printing machine having an ink supply device according to an embodiment of the present invention.
2 is a front view of an ink supply apparatus according to an embodiment of the present invention.
3 is a plan view of an ink supply apparatus according to an embodiment of the present invention.
4 is a side view of an ink supply apparatus according to an embodiment of the present invention.

Hereinafter, an embodiment of an ink supply apparatus of a digital printing machine according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, and these may vary depending on the intention or custom of the operator, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a side sectional view of a digital printing machine having an ink supply apparatus according to an embodiment of the present invention, FIG. 2 is a front view of an ink supply apparatus according to an embodiment of the present invention, and FIG. Fig. 4 is a side view of an ink supply apparatus according to an embodiment of the present invention. Fig.

1 to 4, an ink supply apparatus 100 of a digital printing machine according to an embodiment of the present invention includes an ink reservoir 110, an ink supply hose 120, and an ink intermittent valve 130 .

In particular, the ink supply apparatus 100 is provided in the main body 10 of the digital printing machine.

In addition, the main body 10 is provided with a carrier 20 reciprocally movable, and the carrier 20 is provided with a plurality of head units 30. [ The head unit 30 serves to jet the ink onto a printing paper (not shown).

The ink reservoir 110 serves to store inks of different colors. Accordingly, a plurality of ink reservoirs 110 are provided. In particular, the ink reservoir 110 is fixed to the carrier 20.

At this time, the ink reservoir 110 is connected to a large ink reservoir (not shown) as a supplemental ink reservoir.

Of course, the ink reservoir 110 is fixedly mounted on the carrier 20 in various manners, and is provided for the required number of colors of ink.

In addition, the head unit 30 is provided in a number corresponding to one-to-one correspondence with the ink reservoir 110.

Also, the ink supply hose 120 is connected to the ink reservoir 110 in a one-to-one correspondence, and is directly connected to each of the plurality of head units 30.

Thus, the ink supply hose 120 serves to guide the ink in each of the ink reservoir 110 to the corresponding head unit 30. The ink supply hose 120 may be made of various materials.

Of course, the ink reservoir 110 and the head unit 30 may not correspond one to one. That is, the number of the head units 30 may be larger than the number of the ink reservoirs 110. In this case, the ink supply hose 120 is branched and connected to the head unit 30 which ejects ink of the same color.

The ink intermittent valve 130 is provided in each of the ink supply hoses 120 and controls the supply of the corresponding color ink from the corresponding ink reservoir 110 to the head unit 30.

At this time, it is preferable that the ink intermittent valve 130 is provided in the ink supply hose 120 so as to be close to the ink reservoir 110. This is to prevent the ink, which flows out of the ink reservoir 110, from remaining in the ink supply hose 120 when the ink intermittent valve 130 is closed.

Of course, the ink intermittent valve 130 is applicable to the ink supply hose 120 in various ways. The ink intermittent valve 130 is opened and operated automatically or manually when ink is to be supplied to the head unit 30.

The ink supply hose 120 also has a solution supply unit 140 for filling the head unit 30 and the ink supply hose 120 with a solution when the head unit 30 is not used for a long period of time.

The solution supply section 140 includes a solution reservoir 142 and a switching valve 144.

The solution storage box 142 serves to store the solution. In particular, the solution reservoir 142 is provided to be connected to the ink supply hose 120. Thus, the solution in the solution reservoir 142 becomes transportable to the head unit 30 through the ink supply hose 120. [

The switching valve 144 serves to select the supply of the ink and the solution to the ink supply hose 120. Accordingly, the switching valve 144 is preferably applied as a three-way valve. That is, the switching valve 144 is switching-controlled so that ink or solution is supplied to the head unit 30 through the ink supply hose 120.

At this time, the switching valve 144 is disposed closer to the ink reservoir 110 side than the ink intermittent valve 130. This is to allow the ink intermittent valve 130 to intercept the flow of ink and solution.

On the other hand, when the head unit 30 is stopped, ink is not supplied to the head unit 30. Then, the head unit (30) remains in the air.

Thereafter, when the ink is supplied to the print unit together with air when the ink is supplied to the head unit 30, printing failure occurs. In addition, the head unit 30 can be separated from the carrier 20 by the pressure of the air.

Thus, each of the head units 30 initially has an exhaust portion 150 for exhausting the air inside.

The exhaust portion 150 includes an air delivery pipe member 152 and an air shaper 154.

The air delivery pipe member 152 is connected to each of the head units 30. At this time, the air delivery pipe member 152 is connected to the upper side of the head unit 30.

When the ink or the solution is supplied to the head unit 30, the air having a relatively low specific gravity is raised inside the head unit 30. The raised air is exhausted through the air delivery pipe member 152.

At this time, when the ink or solution is discharged to the airtransmitting member 152, the air inside the head unit 30 is completely discharged.

Although not shown, the air delivery pipe member 152 has an intermittent valve. Thus, when the ink or solution is discharged to the air line member 152, the intermittent valve is operated to close.

Further, the air sharer 154 is connected to each of the air transmission pipe members 152 to collect the air and discharge the air. At this time, it is preferable that the air sharer 154 is fixed to the carrier 20. The air shaper 154 is provided to reduce the number and length of the air delivery pipe members 152 to minimize the complexity around the head unit 30. [

In addition, the air sharer 154 guides the air that has flowed into the inside and the ink or solution to a predetermined place.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: main body 30: head unit
100: ink supply device 110: ink reservoir
120: ink supply hose 130: ink intermittent valve
140: solution supply unit 142: solution storage tank
144: Switching valve 150:
152: air delivery pipe member 154: air sharing device

Claims (5)

  1. An ink reservoir storing different color inks;
    An ink supply hose connected to the ink reservoir in a one-to-one correspondence manner and directly connected to each of the plurality of head units; And
    And an ink intermittent valve provided in the ink supply hose to intermittently supply ink of the corresponding color from the ink reservoir to the head unit,
    Wherein each of the head units is provided with an exhaust unit for initially exhausting air therein.
  2. The method according to claim 1,
    Wherein the ink supply hose comprises a solution supply for filling the solution.
  3. 3. The apparatus according to claim 2,
    A solution reservoir for storing the solution; And
    And a switching valve for selecting supply of the ink and the solution to the ink supply hose.
  4. delete
  5. The air conditioner according to claim 1,
    An air delivery pipe connected to each of the head units to guide and guide the air exhausted; And
    And an air sharer connected to each of the air duct members to collect and discharge the air.
KR1020130133233A 2013-11-04 2013-11-04 Ink feeding device for digital printing machine KR101456879B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130133233A KR101456879B1 (en) 2013-11-04 2013-11-04 Ink feeding device for digital printing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130133233A KR101456879B1 (en) 2013-11-04 2013-11-04 Ink feeding device for digital printing machine

Publications (1)

Publication Number Publication Date
KR101456879B1 true KR101456879B1 (en) 2014-10-31

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KR1020130133233A KR101456879B1 (en) 2013-11-04 2013-11-04 Ink feeding device for digital printing machine

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040023212A (en) * 2002-09-11 2004-03-18 주식회사 디지아이 Device For The Head Using Three Way Valve
KR20050102344A (en) * 2004-04-22 2005-10-26 코스테크 주식회사 A dvice for supplying ink to a printer for digital printing
KR100570186B1 (en) 2001-03-27 2006-04-11 실버브룩 리서치 피티와이 리미티드 Printhead assembly capping device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100570186B1 (en) 2001-03-27 2006-04-11 실버브룩 리서치 피티와이 리미티드 Printhead assembly capping device
KR20040023212A (en) * 2002-09-11 2004-03-18 주식회사 디지아이 Device For The Head Using Three Way Valve
KR20050102344A (en) * 2004-04-22 2005-10-26 코스테크 주식회사 A dvice for supplying ink to a printer for digital printing

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