Spray head structure of inkjet printer

Abstract

The utility model discloses a nozzle structure of an inkjet printer, which belongs to the technical field of inkjet printers, aims at solving the problems that when equipment adopts a full-color printing mode, the color of an inkjet picture is darkened in a light-off state, and the color of the picture is lightened in a light-on state, and comprises a machine body, an inkjet assembly, a mounting frame, a bottom plate and an external pipe, the device further comprises a plurality of color ink nozzles and a plurality of white ink nozzles. The color ink nozzles are all installed in the middle of the bottom plate and divided into four groups, and each group comprises four color ink nozzles which are arranged in a linear array. The plurality of white ink nozzles are mounted on the outer sides of the plurality of color ink nozzles and are divided into two groups; according to the utility model, the plurality of color ink nozzles and the plurality of white ink nozzles are designed according to the proportion of 1: 2, so that compared with the conventional design that a plurality of color ink nozzles and a plurality of white ink nozzles are designed according to the proportion of 1: 3, the problem that the color of a drawing is darkened in a light-off state or the color of the drawing is shallower in a light-on state is effectively solved, and the inkjet printer is enabled to be more attractive through the structural design of the nozzle. And the inkjet printer has a better effect.

Description

Technical Field

[0001] This utility model belongs to the field of inkjet printer technology, specifically relating to a printhead structure for an inkjet printer. Background Technology

[0002] Inkjet printers are a type of large-format printer. While they don't offer the same high resolution as traditional printers or photo printers, newly released inkjet printers have significantly improved resolution. Inkjet printers use solvent-based or UV-cured inks. Solvent-based inks have a strong odor and are corrosive. During printing, the ink penetrates the printing material through corrosion, making the image less prone to fading. Therefore, they are waterproof, UV-resistant, and scratch-resistant.

[0003] The printhead is the most crucial component of an inkjet printer. Existing inkjet printer printheads, such as... Figure 1 As shown; when the printhead of this inkjet printer starts working, under the control of programming, inks of different colors are discharged through the printhead in a regular manner. As the slide moves, the ink forms a pattern to achieve inkjet printing.

[0004] However, this device uses multiple color ink printheads, such as Figure 3 As shown, the multiple color ink printheads are divided into 3 groups of 4, with two white ink printheads installed on both sides. This causes the printed image to appear dark when the lights are off and lighter when the lights are on when the device is in full-color printing mode.

[0005] Therefore, we propose a printhead structure for an inkjet printer. Summary of the Invention

[0006] The purpose of this invention is to provide a printhead structure for an inkjet printer to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a printhead structure for an inkjet printer, comprising: a body, an inkjet assembly, a mounting frame, a base plate, and an external connecting pipe, and further comprising multiple color ink nozzles and multiple white ink nozzles;

[0008] The multiple colored ink nozzles are all installed in the middle of the base plate, divided into four groups of four, arranged in a linear array.

[0009] The multiple white ink nozzles are all installed on the outside of the multiple colored ink nozzles, divided into two groups of two, arranged in a linear array.

[0010] The utility model discloses a plurality of color ink nozzles and a plurality of white ink nozzles adopt 1:2 ratio design, compared with the design of a plurality of color ink nozzles and a plurality of white ink nozzles adopting 1:3 in the past, effectively solve the problem that the drawing color is dark in the off state or the drawing color is light in the on state, make the spray plotter through the nozzle structure design, and the effect of spray plotter is better.

[0011] As a preferred implementation, the top of the plurality of color ink nozzles and the plurality of white ink nozzles is fixedly installed with a liquid supply pipe, and the top of the liquid supply pipe is fixedly connected with a butt joint.

[0012] The liquid supply pipe and the butt joint are designed in one piece, and both are made of alloy material, effectively preventing internal rusting and thus improving the service life of the nozzle structure of the spray plotter.

[0013] As a preferred implementation, the vertical section of the butt joint is an I-shaped section, and a circular groove is formed at the top.

[0014] The butt joint is designed in an I-shaped section, so that when the butt joint is connected with an external pipe, the external pipe is quickly clamped through the internal groove, and the external pipe is combined with the circular groove and an internal leak-proof pad to avoid leakage of the original liquid of the spray plotter and improve the stability of the nozzle structure of the spray plotter during use.

[0015] As a preferred implementation, the two sides of the plurality of color ink nozzles and the plurality of white ink nozzles are fixedly installed with clamping blocks, an internal groove for placing the nozzles is formed on the bottom plate, and a limiting groove matched with the clamping blocks is formed in the internal groove.

[0016] The internal groove allows the outlets of the plurality of color ink nozzles and the plurality of white ink nozzles to be kept at the same level as the bottom surface of the bottom plate after installation, so that the spray plotter has better spray effect.

[0017] As a preferred implementation, the clamping blocks and the bottom plate are fixedly connected with bolts, and the bottom plate and the clamping blocks are both provided with screw grooves matched with the bolts.

[0018] The bolts are used for positioning, so that the connection between the bottom plate and the clamping blocks is more secure and the stability of the nozzles after installation is ensured.

[0019] As a preferred implementation, the screw grooves on the clamping blocks are through grooves, and the screw grooves on the bottom plate are grooves.

[0020] The through screw grooves on the clamping blocks allow the bolts to be connected with the bottom plate after passing through the clamping blocks, so that the normal fixing work of the bolts is ensured, and the grooved screw grooves on the bottom plate avoid damage to the sprayed objects caused by the bolts penetrating the bottom plate.

[0021] Compared with the prior art, the nozzle structure of the spray plotter provided by the utility model has at least the following beneficial effects:

[0022] (1) by multiple color ink nozzles and multiple white ink nozzles, the proportion of 1:2 is designed, compared with the proportion of 1:3 of multiple color ink nozzles and multiple white ink nozzles in the prior art, the problem of color fading of the drawing under the off state or color lightening of the drawing under the on state is effectively solved, so that the spray plotter has better effect through the nozzle structure design. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic diagram of the spray plotter of the utility model;

[0024] Figure 2 It is a part structure schematic diagram of the spray plotter in the utility model; Figure 1

[0025] Figure 3 It is a part structure schematic diagram of the spray plotter in the utility model;

[0026] Figure 4 It is a part structure schematic diagram of the spray plotter in the utility model;

[0027] Figure 5 It is a part structure schematic diagram of the spray plotter in the utility model;

[0028] Figure 6 It is a part structure schematic diagram of the spray plotter in the utility model;

[0029] In the drawing: 1, machine body; 2, ink jet assembly; 21, mounting frame; 22, bottom plate; 3, color ink nozzle; 31, white ink nozzle; 32, infusion tube; 33, butt joint; 4, clamping block; 41, bolt; 5, external pipe. DETAILED DESCRIPTION

[0030] The utility model will be further described in combination with examples.

[0031] In order to make the purpose, technical scheme and advantage of the embodiment of the disclosure clearer, the technical scheme of the embodiment of the disclosure will be clearly and completely described in combination with the drawings of the embodiment of the disclosure. Obviously, the described embodiment is a part of the embodiment of the disclosure, not all the embodiments. Based on the described embodiment of the disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the disclosure.

[0032] ​Unless otherwise defined, technical terms or scientific terms used in the present disclosure shall have the ordinary meaning commonly understood by one of ordinary skill in the art to which the present disclosure pertains, and the like terms "comprise", "comprises" and the like terms used in the present disclosure mean that the elements or objects before the word "comprise" encompass the elements or objects listed after the word "comprise" and equivalents thereof, and do not exclude other elements or objects, and the like terms "connect" or "connected" and the like terms are not limited to physical or mechanical connection, and can also include electrical connection, whether direct or indirect, and "upper", "lower", "left", "right" and the like are only used to indicate relative positional relationship, when the absolute position of the described object is changed, the relative positional relationship can also be changed accordingly.

[0033] Please refer to Figures 1-6 The utility model provides a spray head structure of spray plotter, include: body 1, inkjet subassembly 2, mounting bracket 21, bottom plate 22 and external connection pipe 5, still include multiple color ink nozzles 3 and multiple white ink nozzles 31,

[0034] Multiple color ink nozzles 3 are installed in the middle position of bottom plate 22, and are divided into four groups, four in each group, and are arranged in linear array,

[0035] Multiple white ink nozzles 31 are installed on the outer side of multiple color ink nozzles 3, and are divided into two groups, two in each group, and are arranged in linear array.

[0036] Inkjet subassembly 2 is composed of mounting bracket 21 and bottom plate 22, bottom plate 22 is installed on the inner bottom surface of mounting bracket 21 and is fixed by screw; when bottom plate 22 is installed, multiple nozzles on bottom plate 22 are connected with corresponding internal pipelines of mounting bracket 21, and corresponding pipelines flow corresponding ink, which is sprayed through multiple nozzles to carry out spray plotter work.

[0037] As Figure 3 As shown in the prior art, multiple color ink nozzles 3 are divided into three groups, four in each group, and two white ink nozzles are arranged on both sides, so that when the device adopts full-color printing mode, the spray plotter picture appears dark in the light-off state, and the picture color becomes lighter in the light-on state, however, the practical improvement method adopts white ink and pre-treatment liquid to solve the problem of dark picture color in the light-off state or light picture color in the light-on state, which requires professional instruments and professional staff, thus increasing labor cost, increasing labor input and slowing down spray plotter efficiency;

[0038] Therefore, this utility model adopts a 1:2 ratio design for multiple color ink printheads 3 and multiple white ink nozzles 31, compared with the previous 1:3 ratio design for multiple color ink printheads 3 and multiple white ink nozzles 31. This effectively solves the problem that the image color is dark when the lights are off or light when the lights are on, making the inkjet printer achieve better results through this printhead structure design.

[0039] The ratio here is a comparison of the number of groups of multiple color ink nozzles 3 and multiple white ink nozzles 31. For example, one group of white ink nozzles 31 corresponds to two groups of color ink nozzles 3, one group of white ink nozzles 31 has two, one group of color ink nozzles 3 has four, and so on.

[0040] Further as Figure 3 and Figure 4 As shown, it is worth noting that each of the multiple color ink nozzles 3 and multiple white ink nozzles 31 has an infusion tube 32 fixedly installed at its top. Each infusion tube 32 has a connector 33 fixedly connected to its top. The infusion tube 32 and the connector 33 are designed as an integral unit and are made of alloy material, which effectively prevents internal rusting and thus improves the service life of the printhead structure of the inkjet printer.

[0041] Further as Figure 5 and Figure 6 As shown, it is worth noting that the vertical cross-section of the connector 33 is I-shaped, and a circular groove is provided at the top. The I-shaped design of the connector 33 allows for quick positioning of the outer tube 5 through the internal groove when it is connected to the outer tube 5. Furthermore, the circular groove, combined with the internal anti-leakage pad of the outer tube 5, prevents leakage of ink from the inkjet printer, thereby improving the stability of the inkjet printer's printhead structure during use.

[0042] Further as Figure 5 and Figure 6 As shown, it is worth noting that each of the multiple color ink nozzles 3 and multiple white ink nozzles 31 has a locking block 4 fixedly installed on both sides. The base plate 22 has an internal groove for placing the nozzles. The internal groove has a limiting groove that cooperates with the locking block 4. Through the internal groove, after the multiple color ink nozzles 3 and multiple white ink nozzles 31 are installed, the nozzle outlet is kept at the same level as the bottom surface of the base plate 22, which makes the printing effect of the inkjet printer better.

[0043] Further as Figure 5 As shown, it is worth noting that the locking block 4 is fixed to the base plate 22 with bolts 41. Both the base plate 22 and the locking block 4 are provided with threaded grooves that cooperate with the bolts 41. The positioning by the bolts 41 makes the connection between the base plate 22 and the locking block 4 tighter, ensuring the stability of the nozzle after installation.

[0044] Further as Figure 5As shown, it is worth noting that the threaded groove on the card block 4 is in the form of a through hole, and the threaded groove on the bottom plate 22 is in the form of a groove. The card block 4 adopts a through threaded groove, so that the bolt 41 can be effectively connected with the bottom plate 22 after passing through the card block 4, thereby ensuring the normal fixing work of the bolt 41. Moreover, the bottom plate 22 adopts a groove type threaded groove, which avoids the damage to the spray painted object caused by the bolt 41 penetrating the bottom plate 22.

Claims

1. A print head structure for an inkjet printer, comprising: The machine body (1), inkjet assembly (2), mounting bracket (21), base plate (22) and external pipe (5) are characterized in that they also include multiple color ink nozzles (3) and multiple white ink nozzles (31). The multiple colored ink nozzles (3) are all installed in the middle of the base plate (22), divided into four groups of four, arranged in a linear array; The multiple white ink nozzles (31) are all installed on the outside of the multiple colored ink nozzles (3), divided into two groups of two, arranged in a linear array.

2. The head structure of a plotter according to claim 1, wherein: The top of each of the multiple colored ink nozzles (3) and the multiple white ink nozzles (31) is fixedly equipped with an infusion tube (32), and the top of each infusion tube (32) is fixedly connected with a connector (33).

3. The head structure of a plotter according to claim 2, wherein: The vertical cross section of the connector (33) is I-shaped, and a circular groove is provided at the top.

4. The head structure of a plotter according to claim 3, wherein: Both sides of the multiple colored ink nozzles (3) and multiple white ink nozzles (31) are fixedly installed with a locking block (4). The base plate (22) has an internal groove for placing the nozzles, and a limiting groove that cooperates with the locking block (4) is provided in the internal groove.

5. The head structure of a plotter according to claim 4, wherein: The card block (4) is fixed to the base plate (22) by bolts (41), and both the base plate (22) and the card block (4) are provided with threaded grooves that cooperate with the bolts (41).

6. The head structure of a plotter according to claim 5, wherein: The threaded groove on the card block (4) is a through groove, while the threaded groove on the base plate (22) is a recessed groove.

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