KR100250358B1 - Apparatus for spout ink of inkjet printer - Google Patents

Apparatus for spout ink of inkjet printer Download PDF

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Publication number
KR100250358B1
KR100250358B1 KR1019970073055A KR19970073055A KR100250358B1 KR 100250358 B1 KR100250358 B1 KR 100250358B1 KR 1019970073055 A KR1019970073055 A KR 1019970073055A KR 19970073055 A KR19970073055 A KR 19970073055A KR 100250358 B1 KR100250358 B1 KR 100250358B1
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South Korea
Prior art keywords
ink
beams
nozzle
inkjet printer
nozzle orifices
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KR1019970073055A
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Korean (ko)
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KR19990053430A (en
Inventor
문창렬
최형
신규호
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윤종용
삼성전자주식회사
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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
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • 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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2002/041—Electromagnetic transducer
    • 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
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/15—Moving nozzle or nozzle plate

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  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

PURPOSE: An ink injector of an ink jet printer is provided to simplify structure and to reduce the consumption amount of ink by accurately injecting the ink. CONSTITUTION: An ink injector of an ink jet printer comprises plural conductive beams connected with power and made up of a single beam; a magnet installed on upper and lower parts of the conductive beams; an ink chamber(14) making a space for storing ink between the conductive beams; and a nozzle plate prepared with plural nozzle orifices. Electromagnetic force is generated in the rectilinear direction of the magnets by feeding a current to the beams(11,11',). The beam is deflected to the right and left according to the direction of the current. The ink stored in the ink chamber(14) is discharged to a front part through the nozzle orifices(16,16',16") formed on the nozzle plate(15). The beam is returned to an original state after deflected and the ink is discharged through the nozzle orifices. Then the discharge of the ink is continuously accomplished.

Description

잉크젯 프린터의 잉크 분사 장치{APPARATUS FOR SPOUT INK OF INKJET PRINTER}Ink jetting device of inkjet printer {APPARATUS FOR SPOUT INK OF INKJET PRINTER}

본 발명은 잉크젯 프린터의 잉크 분사 장치에 관한 것으로, 특히 전자기력에 의하여 작동되는 원 빔(one beam)형 도체를 이용하여 잉크를 연속적으로 분사하도록 한 잉크젯 프린터의 잉크 분사 장치에 관한 것이다.TECHNICAL FIELD The present invention relates to an ink jetting apparatus of an inkjet printer, and more particularly, to an ink jetting apparatus of an inkjet printer in which ink is continuously jetted by using a one beam type conductor operated by electromagnetic force.

종래의 드롭 온 디멘드(drop on demand) 방식의 잉크젯 프린터의 헤드에 적용된 기술은 도 1에 도시한 바와 같이, 압전체(1)를 이용한 피에조 타입을 사용한 엡슨(Epson)사의 경우와, 도 2 및 도 3에 도시한 바와 같이, 발열체(2)에서 발생한 열을 이용하여 잉크(I)를 토출하는 서멀(thermal)방식을 채용한 휴렛패커드사, 캐논사의 경우로 대별할 수 있다. 그 밖에 자기력, 정전기력을 이용한 연속분사방식의 카트리지가 제공되기도 하였다.The technology applied to the head of a conventional drop on demand inkjet printer is as shown in Fig. 1, Epson (Epson) using a piezo type using the piezoelectric body 1, Figs. As shown in Fig. 3, it can be roughly classified into the case of Hewlett Packard and Canon, which employs a thermal method in which the ink I is discharged by using the heat generated by the heat generator 2. In addition, a cartridge of a continuous injection method using magnetic force and electrostatic force has been provided.

압전방식에 의한 잉크의 분사방식은 압전체(1)에 구동신호를 가하여 변위를 발생시킴으로써 이러한 변위가 잉크(I)에 전달되어 잉크가 토출되는 방식이며, 서멀방식은 구동신호를 전극을 통해 전달함으로써 저항이 큰 발열체(2)를 통과할 때, 잉크(I)가 끊는 정도의 열을 발생시켜 이러한 열에 의하여 잉크에 발생되는 기포가 잉크(I)를 밀어냄으로써 잉크를 토출시키는 방식이다.Piezoelectric ink is a method of ejecting ink by applying a drive signal to the piezoelectric body 1 to generate a displacement, such that the displacement is transferred to the ink I and the ink is ejected, and the thermal method transmits a drive signal through an electrode. When passing through the heat generating element 2 having a large resistance, heat generated to the extent that the ink I breaks, and bubbles generated in the ink by this heat push the ink I to eject the ink.

한편, 도 4에 도시한 바와 같이 자기력과 정전기력을 이용하여 마그네트(3)과 박막코일(4)을 사용한 연속분사방식은 도전성 잉크(I)를 연속적으로 분사시키고, 구동신호에 따라 자기력과 정전기력을 발생시켜 잉크 방울의 진로를 변경시켜 인쇄하는 방식이다.Meanwhile, as shown in FIG. 4, the continuous injection method using the magnet 3 and the thin film coil 4 by using the magnetic force and the electrostatic force continuously injects the conductive ink I, and generates the magnetic force and the electrostatic force according to the driving signal. It is generated by changing the course of ink droplets and printing.

그러나 피에조 방식에 의한 잉크 분사 방식은 프린팅 속도가 늦고, 헤드당 노즐의 수를 많이 형성할 수 없으며, 양산 수율이 저조하기 때문에 헤드의 가격이 고가가 되는 문제가 있다.However, the ink jet method by the piezo method has a problem in that the printing speed is slow, the number of nozzles per head cannot be formed, and the mass production yield is low, resulting in a high price of the head.

또한, 서멀 방식은 헤드의 수명이 짧고, 해상도가 떨어지며, 잉크의 호환성이 저조하고, 구조가 복잡하다는 문제가 있으며, 자기력과 정전기력을 이용한 잉크 분사 방식은 인쇄속도가 빠르다는 장점을 갖는 반면에 잉크의 소모량이 많고, 경제성이 떨어진다는 단점이 있다.In addition, the thermal method has a problem that the life of the head is short, the resolution is low, the compatibility of the ink is poor, the structure is complicated, and the ink ejection method using the magnetic force and the electrostatic force has the advantage of high printing speed, whereas the ink The consumption is high, the economical disadvantage is disadvantageous.

이와 같은 여러 가지 문제점을 감안하여 안출한 본 발명의 목적은 간소한 구조를 갖는 잉크젯 프린터의 잉크 분사 장치를 제공함에 있다.SUMMARY OF THE INVENTION An object of the present invention devised in view of such various problems is to provide an ink jetting apparatus of an ink jet printer having a simple structure.

본 발명의 다른 목적은 정확한 잉크 분사 동작을 구현하여 잉크의 소모량을 줄이도록 한 잉크젯 프린터의 잉크 분사 장치를 제공함에 있다.Another object of the present invention is to provide an ink jetting apparatus of an ink jet printer, which realizes an accurate ink jetting operation to reduce the consumption of ink.

도 1은 피에조(Piezo) 타입에 의한 잉크 분사 방식으로 엡슨(Epson)사의 방식을 보인 단면도이고,1 is a cross-sectional view showing the Epson (Epson) method of the ink jet method by the Piezo type,

도 2 및 도 3은 서멀(Thermal) 타입에 의한 잉크 분사 방식으로서,2 and 3 is an ink jet method by a thermal type,

도 2는 휴렛패커드(HP)사의 방식을 보인 단면도이며,Figure 2 is a cross-sectional view showing a Hewlett Packard (HP) method,

도 3은 캐논(Canon)사의 방식을 보인 단면도이다.3 is a cross-sectional view showing a method of Canon company.

도 4는 종래 기술에 의한 자기력 또는 정전기력에 의한 잉크 분사 방식을 보인 단면도.Figure 4 is a cross-sectional view showing an ink jet method by a magnetic force or electrostatic force according to the prior art.

도 5는 본 발명에 의한 잉크 분사 방식의 구성을 개략적으로 보인 사시도.5 is a perspective view schematically showing the configuration of the ink ejection method according to the present invention.

도 6은 도 5의 개략적인 구성도.6 is a schematic configuration diagram of FIG. 5.

도 7은 도 5의 배면도.7 is a rear view of FIG. 5.

도 8은 잉크 분사시의 상태를 연속적으로 보인 도 5의 횡단면도.Fig. 8 is a cross sectional view of Fig. 5 showing a state of ink ejection continuously;

( 도면의 주요부분에 대한 부호의 설명 )(Explanation of symbols for the main parts of the drawing)

11,11',11"...; 도체 빔 12,13 ; 마그네트11,11 ', 11 "...; conductor beam 12,13; magnet

14 ; 잉크 챔버 15 ; 노즐 플레이트14; Ink chamber 15; Nozzle plate

16,16'16,"...; 노즐 오리피스16,16'16, "...; nozzle orifice

상기한 본 발명의 목적을 달성하기 위한 잉크젯 프린터의 잉크 분사 장치는 단일 빔으로 이루어져 전원과 연결되는 다수 개의 도체 빔과, 상기 도체 빔들의 상하부에 설치되는 마그네트와, 상기 도체 빔들 사이마다에 잉크가 수납되는 공간을 이루는 잉크 챔버와, 상기 도체 빔들의 전면에 설치되며 다수 개의 노즐 오리피스가 형성된 노즐 플레이트를 포함하는 것을 특징으로 한다.An ink jetting apparatus of an inkjet printer for achieving the above object of the present invention comprises a plurality of conductor beams consisting of a single beam and connected to a power source, magnets installed above and below the conductor beams, and ink is provided between the conductor beams. An ink chamber constituting a space to be accommodated, and a nozzle plate which is installed on the front of the conductor beams and formed with a plurality of nozzle orifices.

이하, 상기한 바와 같은 본 발명의 바람직한 실시예를 첨부도면에 의거하여 보다 상세히 설명한다.Hereinafter, preferred embodiments of the present invention as described above will be described in more detail with reference to the accompanying drawings.

첨부도면 도 5는 본 발명에 의한 잉크 분사 방식의 구성을 개략적으로 보인 사시도이고, 도 6은 도 5의 개략적인 구성도이며, 도 7은 도 5의 배면도이고, 도 8은 잉크 분사시의 상태를 연속적으로 보인 도 5의 횡단면도이다.5 is a perspective view schematically showing the configuration of the ink ejection method according to the present invention, FIG. 6 is a schematic configuration view of FIG. 5, FIG. 7 is a rear view of FIG. 5, and FIG. 5 is a cross sectional view of the state continuously.

이에 도시한 바와 같이, 본 발명의 실시예는 잉크의 분사 메카니즘을 전자기력에 의한 분사 메카니즘으로 구성하며, 이러한 구체적인 기구의 구성은 상하부에 마그네트(12)(13)가 구비되고, 그 사이에서 전류가 흐르는 도체로서의 단일 빔(11,11',11"...)을 다수 개 배치한 것이다.As shown in the drawing, the embodiment of the present invention constitutes a jetting mechanism of ink by an electromagnetic force, and this specific mechanism is provided with magnets 12 and 13 at the upper and lower sides, and a current therebetween. A plurality of single beams 11, 11 ', 11 "... as flowing conductors are arranged.

다수의 빔(11,11',11"...)은 서로 이웃하는 빔끼리는 항시 반대방향으로 전류가 인가되기 때문에 전원의 인가여부에 따라 인접하는 빔들끼리 서로 인력이 작용하도록 구성한다.Since the plurality of beams 11, 11 ', 11 "... are adjacent to each other and current is always applied in the opposite direction, the adjacent beams are configured to attract each other depending on whether the power is applied.

빔의 단면구조는 도 6에 개략적으로 도시한 바와 같이, 빔의 일단부에 전원이 연결되어 있고, 타단부에는 전류 경로가 형성되어 전원과 연결됨으로써 폐회로를 구성한다.As the cross-sectional structure of the beam is schematically shown in Figure 6, the power is connected to one end of the beam, a current path is formed at the other end is connected to the power supply to form a closed circuit.

빔의 머리부와 머리부(11a,11'a,11"a...) 사이의 틈이 노즐 분사 경로의 역할을 담당하게 되고, 빔의 몸체와 몸체 사이의 공간이 잉크가 수납되는 잉크 챔버(14)의 역할을 담당한다.The gap between the head of the beam and the heads 11a, 11'a, 11 " a ... serves as a nozzle injection path, and the space between the beam body and the body is the ink chamber in which the ink is stored. It is in charge of (14).

또한, 본 발명에 의한 잉크 분사 장치는 빔들의 선단부에 빔과 빔 사이의 노즐 분사 경로에 대응되는 다수 개의 노즐 오리피스(16,16',16"...)가 형성된 노즐 플레이트(15)가 구비되어 있는 것이 특징이다.In addition, the ink jetting apparatus according to the present invention includes a nozzle plate 15 having a plurality of nozzle orifices 16, 16 ', 16 "... corresponding to the nozzle jetting path between the beams at the tip of the beams. It is characteristic.

이와 같이 구성되어 있는 본 발명의 작용을 설명한다.The operation of the present invention configured as described above will be described.

본 발명은 도체인 다수 개의 빔(11,11',11"...)의 상하부에 마그네트(12)(13)가 구비되어 있기 때문에 빔(11,11',11"...)에 전류를 인가해 주면 마그네트(12)(13)의 직각방향으로 전자력이 발생된다.In the present invention, since the magnets 12 and 13 are provided above and below the plurality of conductors 11, 11 ', 11 "..., the currents in the beams 11, 11', 11" ... Applying the magnetic force is generated in the direction perpendicular to the magnet (12) (13).

따라서 빔(11,11',11"...)은 전류의 흐르는 방향에 따라 좌측으로 휘어지거나, 우측으로 휘어지게 되며, 이처럼 휘어지는 빔에 의하여 잉크 챔버(14)에 수납되어 있던 잉크가 빔과 빔의 머리부(11a,11'a,11"a...) 사이에 이격되어 있는 잉크분사유로를 통해 노즐 플레이트(15)에 형성된 노즐 오리피스(16,16',16",16'"...)를 통해서 전방으로 토출되는 것이다.Accordingly, the beams 11, 11 ', 11 "... are bent to the left or to the right according to the direction of the current flow, and the ink contained in the ink chamber 14 is transferred to the beam by the bent beam. Nozzle orifices 16, 16 ', 16 ", 16'" formed in the nozzle plate 15 through ink ejection flow paths spaced between the heads 11a, 11'a, 11 "a ... of the beam. It is discharged forward through ..).

이와 같이 빔은 인가되는 전류의 인가여부에 따라 휘어졌다가 다시 본래의 상태로 복귀되며, 이에 따라 서로 인접된 노즐 오리피스 (16,16"...)나, (16',16'"...)를 통해 잉크가 토출된다. 이러한 잉크의 토출 동작은 연속적으로 실시되는 것이다.Thus, the beam is bent and returned to its original state according to the application of the applied current, and thus the adjacent nozzle orifices (16, 16 "...) or (16 ', 16'") .. Ink is ejected through. This ink ejection operation is performed continuously.

이상에서 설명한 바와 같이, 본 발명에 의한 잉크젯 프린터의 잉크 분사 장치는 전자기력을 이용하여 잉크를 분사하는 방식으로서, 전자력이 발생되는 도체를 단일 빔을 사용하기 때문에 도체의 휨(deflection)이 커지고, 압착력(pressure)도 커져 정확한 잉크의 토출이 이루어지는 효과가 있다.As described above, the ink jetting apparatus of the inkjet printer according to the present invention is a method of injecting ink by using electromagnetic force, and the deflection of the conductor is increased because the single beam is used for the conductor generating the electromagnetic force. (pressure) is also large, there is an effect that the accurate ejection of ink.

또한, 단일의 빔으로 이루어진 도체를 사용하여 전자기력에 의한 잉크의 토출을 실시하기 때문에 구조가 간소화되어 헤드의 크기를 줄일 수 있는 효과가 있다.In addition, since the ink is discharged by the electromagnetic force by using a conductor made of a single beam, the structure is simplified, thereby reducing the size of the head.

그리고 잉크가 토출되는 노즐 오리피스의 설계가 용이하여 프린터의 해상도를 향상시킬 수 있다.In addition, it is possible to easily design a nozzle orifice through which ink is discharged, thereby improving the resolution of the printer.

Claims (1)

복수개의 전원들과,A plurality of power sources, 단일 빔으로 이루어지며 상기 전원과 각각 연결되어 각각의 폐회로를 구성하는 다수 개의 도체 빔과,A plurality of conductor beams each consisting of a single beam and connected to the power source to form a closed circuit; 상기 도체 빔들의 상하부에 설치되는 마그네트와,A magnet installed above and below the conductor beams; 상기 도체 빔들 사이마다에 잉크가 수납되는 공간을 이루는 잉크 챔버와,An ink chamber forming a space in which ink is stored between the conductor beams; 상기 도체 빔들의 전면에 설치되며 다수 개의 노즐 오리피스가 형성된 노즐 플레이트를 포함하는 것을 특징으로 하는 잉크젯 프린터의 잉크 분사 장치.And a nozzle plate provided in front of the conductor beams and having a plurality of nozzle orifices formed therein.
KR1019970073055A 1997-12-24 1997-12-24 Apparatus for spout ink of inkjet printer KR100250358B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1442887A1 (en) * 2003-01-21 2004-08-04 Samsung Electronics Co., Ltd. Droplet ejector and ink-jet printhead using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1442887A1 (en) * 2003-01-21 2004-08-04 Samsung Electronics Co., Ltd. Droplet ejector and ink-jet printhead using the same
US7484833B2 (en) 2003-01-21 2009-02-03 Samsung Electronics Co., Ltd. Droplet ejector and ink-jet printhead using the same

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