KR200153524Y1 - Color/mono combined apparatus of hrad cartridge - Google Patents

Abstract

The present invention relates to an inkjet printer, and more particularly, a plurality of color ink reservoirs and a mono ink reservoir for monochrome; A spraying device which is separately installed at the lower end of the color ink reservoir and the mono ink reservoir and maintains a predetermined interval to inject ink; A filter provided in each of the ink reservoirs to remove impurities contained in the ink; An ink passage through which the ink filtered by the filter is stored, and an ink passage penetrated at the bottom of each ink reservoir so that ink having passed through the ink reservoir is injected through the jetting apparatus; The color ink reservoir and the mono ink reservoir for black and white are each divided into blocks and are integrally formed in one ink storage body, and a cap for sealing the color ink reservoir and the mono ink reservoir is used for the ink storage. Provided at the top of the body, the color ink reservoir and the mono ink reservoir are separated from each other independently to provide a color mono integration apparatus of a head cartridge having a feature composed of a replaceable cartridge.

Description

Color / mono integration device of ink head cartridge

The present invention relates to an inkjet printer, and more specifically, to lower the cost of the product and to simplify the structure of the product, in order to achieve the perfection of the product, the inkhead in which a separate inkhead cartridge for color and mono is integrated into one body. Relates to a cartridge.

In general, an apparatus using an inkjet printing head, as shown in FIG. 1, transfers the inkjet printing head cartridge 7 and the head cartridge 7 to the left and right to eject the ink to form an image on the media. Carriage and drive driver, cassette (1) for loading paper, pickup roller (3) for picking up paper, paper detection sensor for detecting the presence or absence of paper (2) picked up by pickup roller (3), paper leading edge A transport roller 10 for aligning and transporting the paper, a register sensor 6 for timing the paper to be aligned at the transport roller 10 at a predetermined time and driving the transport roller, and a paper transport guide for transporting and transporting paper. And a discharge roller 9 for discharging the paper, a connecting device for operating the driving roller, and an electrical means, respectively. And the mono ink jet print head assembly or is mounted been broken into separate parts for each, so as to enable separation from the mounting according to one of the ink jet printhead mounting assembly and the housing use.

In the conventional printer configured as described above, when a print signal transmitted from a computer (not shown) through a printer interface is sent to a signal printer by a printing command, the printer picks up the paper from the cassette 1 by a drive driver through a video board. By picking up sheet by sheet (3) and feeding it along the guide (4) for feeding the paper to the feed roller (10) side, the ledge sensor (6) installed in front of the feed roller (10) is operated, and the feed roller (10) to the nip. The amount of paper is added by converting the distance of the paper into time to generate curl of paper between the nips. When the leading edge of the paper 2 is aligned, the driving of the pickup roller 3 is stopped. At the same time, the transfer roller 10 is driven to transfer the paper to a certain printing leading edge area of the inkjet printing head. According to the signal from the head driver, ink is ejected by transferring the printing head cartridge 7 mounted on the carriage to the left and the right while splicing the image, that is, the data on the media, and at the same time, each line according to the scanning of the head cartridge. When the printing is completed, the transfer roller 10 is discharged through the discharge roller 9 while completing the printing while transferring by a predetermined length, thereby completing one cycle.

The paper 2 of the media cassette 1 is picked up by the pickup roller 3 and conveyed by the transfer roller 10 to the transfer guide 4 while being sensed by the ledge sensor 6 and thus the head cartridge 7. Is printed while passing through the nozzle portion 8 of the nozzle and discharged by the discharge roller 9, and the head cartridge 7 forms a dot by spraying a fine ink drop DROP from a nozzle having a plurality of openings. The way to make it is used.

Looking at the structure of the ink cartridge in detail, FIG. 2 is a cross-sectional view showing the structure of the head cartridge, which is composed of the ink 12 and the head 13 sucked in the sponge stored in the case 11 forming the outer surface of the container.

3 is an enlarged cross-sectional view of the head cartridge portion shown in FIG. 2 and includes a filter 21 for removing impurities mixed in the ink and an ink stand pipe 22 storing ink filtered through the filter 21. ), An ink passage 23 for providing the ink transferred through the ink stand pipe 22 to the chip 24 on which the heating heater unit and the ink stand pipe are formed, and the heating transferred from the ink passage 24. It consists of the nozzle plate 25 provided with the some opening part for injecting the ink of a heater part (not shown) to media.

Referring to the operation of the prior art configured as described above, when the recording medium is picked up and transported by the pickup roller in the cassette, the front end of the recording medium is operated by the resist sensor. When a certain amount of loop amount is converted into time, and the record material is matched by the curvature ability of the loop between the ledge roller nip, the record roller is operated by the clutch which is the power switching device on the shaft. When the main motor is stopped at the lower part of the jetting device of the inkjet printhead cartridge as a shaping device, the color / mono inkjet printhead is transferred by the carriage assembly motor in a direction orthogonal to the recording medium transporting direction, and the ink is transferred through the jetting device. When printing while forming the image by the width, the main motor When transferring the information recording medium by a width of the printhead is complete the printing in continuous motion while repeatedly performed as long as a certain amount of the front of the next printing by the carriage assembly.

Therefore, in the related art, since the mono inkjet printhead cartridge and the color inkjet printhead cartridge are separately configured, the capacity of the motor for driving the cartridge is increased, and at the home position and the opposite side of the head cartridge, Space is required to position the heads of the dogs. As a result, the set needs to be increased in size by twice the width of the head cartridge, and there is a problem due to the limitation of speed at high speed printing. As a result, the cost and complexity of the structure are increased due to the weight increase and the material cost increase.

Therefore, the present invention integrates the color and mono ink reservoirs into the ink storage body, which is one ink head cartridge, for the convenience of the user, and enables high speed printing, low cost, simple structure and light weight, ease of assembly, and the number of parts. The aim is to reduce costs and to miniaturize products.

In order to achieve the above object, the present invention is a plurality of color ink reservoir and mono ink reservoir for monochrome; A spraying device which is separately installed at the lower end of the color ink reservoir and the mono ink reservoir and maintains a predetermined interval to inject ink; A filter provided in each of the ink reservoirs to remove impurities contained in the ink; An ink reservoir for storing the ink filtered by the filter, and an ink passage penetrated at the bottom of each ink reservoir so that ink having passed through the ink reservoir is injected through the injection apparatus; The color ink reservoir and the mono ink reservoir for black and white are each divided into blocks and are integrally formed in one ink storage body, and a cap for sealing the color ink reservoir and the mono ink reservoir is used for the ink storage. It is provided at the top of the body. Further, the color ink reservoir and the mono ink reservoir are separated from each other independently and constituted of a replaceable cartridge, and the color ink ejector and the mono ink ejector are fixed to the ink storage body. The color ink reservoir is configured independently from each other in the ink storage body, and the mono ink reservoir has a feature configured to be detachable from the ink storage body.

1 is a view showing the operation of the device using an inkjet printing head which is generally used in the prior art,

2 is a cross-sectional view showing a configuration of an ink cartridge generally in use,

3 is an enlarged cross-sectional view showing the structure of the head cartridge in use in general,

Figure 4 is an embodiment showing the structure of the head cartridge according to the present invention,

5 is another embodiment according to the present invention.

* Explanation of symbols for main parts of the drawings

1: cassette 3: pickup roller

6: cash register sensor 7: head cartridge

8: nozzle unit 9: discharge roller

10: feed roller

4 is a view showing an embodiment according to an embodiment of the present invention, in which the structure of an inkjet printhead cartridge, which is an image forming apparatus for forming an image on a recording body by ejecting ink, is changed.

As shown, FIG. 4 (a) is divided and sold in each block for storing in one body a color ink reservoir such as magenta, cyan, yellow or red, green and blue and a mono ink reservoir which is black ink. It shows the structure of the ink storage body 27, which is a different ink to selectively increase the filling amount of any one ink color of the color ink index magenta 33, cyan 32, and yellow 31, respectively. In order to have a larger volume than the ink reservoir of the color, the magenta 33 color is usually configured to occupy the largest volume.

4 (b) is a cross-sectional view showing a state in which the color ink reservoir and the mono ink reservoir are separated and installed in one head cartridge, the filter 21 for removing impurities mixed in the ink, and the filter 21 An ink reservoir 22 storing ink filtered through the ink), an ink passage 23 for supplying the ink transferred through the ink reservoir 22 to a chip on which a heating heater and an ink reservoir are formed; And a nozzle plate having a plurality of openings for engaging with a plurality of jetting devices in the jetting device and regulating the ink to a certain size in correspondence with the plurality of jetting devices 24, and increasing the speed by one assembly. Comparted and dispensed with an injector 24, each block for storing magenta, cyan, yellow, red, green or blue color ink and black ink in a single body An ink storing body 27, a cap 29 for partitioning or sealing the color ink and the mono ink, and a selling block 28 for selling the mono ink and the color ink. And a separate jet chip for jetting the color ink and the mono ink onto the recording medium, that is, the color jet and the mono jet respectively attached to the bottom of the ink reservoir for color and mono jet. The device 24 and the FLEXIBLE POWER CIRCUIT (hereinafter referred to as FPC) 26, which is an electrical connection means for supplying energy by electrically injecting chips with the injector chip 24, are divided into colors and mono. It is integrated.

FIG. 4 (c) is an enlarged cross-sectional view of the structure in the injector of FIG. 4 (b). A plurality of openings 25 for injecting the ink of the heating heater unit (not shown) transferred from the ink passage 23 to the media, and separate for separately injecting the color ink and the mono ink onto the recording medium. The ejection chip is attached to the lower end of the ink reservoir with a constant distance therebetween, and is composed of an ejection device 24 attached separately for the color and mono.

The operation of the present invention configured as described above will be described.

The jetting device 24 attached to each other at a lower portion of the ink storage body 27 at a mutually corresponding position including the jetting chip and the nozzle plate is separately attached to the color and the mono, respectively. Separate from the body for a certain distance from the ink storage body. Further, each FPC 26 for delivering electrical energy to the color and black jetting device 24 at the lower left and right sides of the lower end of the ink storage body 27 has a corresponding jetting device portion of the color jetting chip. And black ink reservoirs, which are separated into four blocks, for ink storage, and are separated from each other by a cap 29. It can be sealed.

On the other hand, each injection chip of the ink reservoir divided into color and mono is connected to the corresponding ink passage 23, and one ink passage 23 is formed for each ink reservoir so that the ink reservoir is connected to the passage of the injection chip. It is connected while forming a flow path.

Here, the initial head driver that receives the print command through the printer interface according to the control command of the central processing unit (hereinafter referred to as CPU), which is not electrically connected to the pair of electrodes of the position to form a signal To supply energy. Therefore, when electrical signals and energy from the head driver are connected to the ejection apparatuses 24 along the FPC 26 in accordance with the control command of the CPU, they enter the ejection apparatus portions via the ink passages 23 inside the respective ink reservoirs. Ink is sequentially sprayed onto the recording body through the opening of the nozzle plate at the corresponding position, thereby completing printing.

In addition, Figure 5 shows another embodiment according to the present invention, and relates to a device that allows a user to exchange the mono ink reservoir in the ink head cartridge divided into a mono ink reservoir and a color ink reservoir in use. .

The printer has been inconvenient for users because its life is shortened due to the increase in the use of black ink which is mono in use, and it provides convenience for the user. When all of the paddy ink is used up, it can be replaced with a new ink cartridge to extend the life of the head cartridge.

By integrating the color and mono of the inkjet head cartridge as described above, by reducing the weight of the cartridge housing and the cartridge itself for conventional cartridge mounting by reducing the driving load, and serves as an electrical connection means for the color and mono to one FPC The ease of assembly and the reduction of the number of parts can reduce the cost of management and material cost reduction, and color and mono printing can be performed at the correct position as the color and mono jet chips are attached at a short distance from one body.

In addition, the space for mounting the left and right head cartridges is reduced by twice as much as the head cartridges, and the use of multiple replacements of black ink increases the life of the frequently used head cartridges, resulting in economical savings for the user.

Claims (6)

A plurality of color ink reservoirs and monochrome ink reservoirs; A spraying device which is separately installed at the lower end of the color ink reservoir and the mono ink reservoir and maintains a predetermined interval to inject ink; A filter provided in each of the ink reservoirs to remove impurities contained in the ink; An ink storage unit storing ink filtered by the filter; An ink passage penetrating the bottom of each ink reservoir so that ink having passed through the ink reservoir is injected through the injection device; The color ink reservoir and the mono ink reservoir for black and white are each divided into blocks and are integrally formed in one ink storage body, and a cap for sealing the color ink reservoir and the mono ink reservoir is used for the ink storage. A color mono integration device for an ink head cartridge, characterized in that provided on top of the body. 2. The color mono-integration apparatus of claim 1, wherein the color ink reservoir and the mono ink reservoir are separated from each other and configured as a replaceable cartridge. The color mono-integration apparatus of claim 1, wherein the color ink jetting device and the mono ink jetting device are fixed to the ink storage body. According to claim 1, wherein the color ink reservoir is configured separately from each other in the ink storage body, the mono ink reservoir is a mono color unitary of the head cartridge having a feature configured to be detachable from the ink storage body Device. The color mono-integration apparatus of claim 1, wherein the color ink jetting device and the mono ink jetting device are configured as a single jetting device. The apparatus of claim 1, wherein one of the plurality of color ink reservoirs is formed larger than the other ink reservoirs.