CN211918089U

CN211918089U - High-speed ink-jet head and ink-jet printing equipment with same

Info

Publication number: CN211918089U
Application number: CN201922360575.5U
Authority: CN
Inventors: 张士洲; 王文浩; 谢永林
Original assignee: Suzhou Xinruifa Technology Co Ltd
Current assignee: Suzhou Xinruifa Technology Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-11-13
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a high-speed inkjet locomotive and have inkjet printing equipment of this high-speed inkjet locomotive, beat printer head including the frame and install the inkjet on the frame, the frame bottom surface is stretched out to the orifice end that the inkjet beaten printer head, beat printer head direction of motion, a water conservancy diversion piece is respectively installed to orifice end both sides along the inkjet, one side that this water conservancy diversion piece deviates from the orifice end has a water conservancy diversion face, during the displacement, the air current forms the air current face to printing medium direction flow through the water conservancy diversion, the air current face area that corresponds with the water conservancy diversion face is located water conservancy diversion piece below, the air current face area that corresponds with the frame is located the frame below, the air current face area that corresponds with the orifice end is located orifice end below. The utility model discloses not only can shield orifice tip and air current contact collision and produce the turbulent flow, can also unify the air current to the influence of ink droplet ejection angle, stabilize the placement of ink droplet, eliminate the irregular destruction of turbulent flow to ink droplet ejection angle, and then improve the printing quality.

Description

High-speed ink-jet head and ink-jet printing equipment with same

Technical Field

The utility model relates to a high-speed inkjet locomotive and have inkjet printing equipment of this high-speed inkjet locomotive belongs to the inkjet and prints technical field.

Background

In the ink jet printing technology, an ink jet printing head and a printing medium are relatively displaced, ink is ejected through an ejection hole of the ink jet printing head to form countless ink drops, and the ink drops fall on the printing medium to form pixels forming an image, so that the printing work is finished.

In the prior art, in order to improve the printing speed, an ink-jet printing head is arranged on a guide beam of the equipment through a frame component to form various printing equipment, wherein a headstock formed by the ink-jet printing head and the frame can reciprocate along the guide beam and is matched with the rapid ink-jet printing of the ink-jet printing head, so that the printing coverage can be improved, the printing speed can be effectively improved, and the efficient printing is realized; generally, the moving speed of a head is 0-2 m/s, when the ink-jet printing head reciprocates on a guide beam for printing, because the moving speed of the head is high, air between the head and a printing medium is disturbed, the higher the moving speed is, the more complicated the turbulent flow generated by the air below the head is, and the complicated turbulent flow of the air can destroy the original jetting angle of an ink drop, so that the ink drop deviates from the original drop point on the printing medium, and the printing quality of the ink-jet printing head is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-speed inkjet locomotive, this high-speed inkjet locomotive collide with the air when having solved locomotive back and forth movement and produce irregular air current, influence the problem of ink droplet ejection angle, have improved the inkjet printing quality.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-speed ink-jet locomotive comprises a frame and an ink-jet printing head arranged on the frame, wherein a jet orifice end of the ink-jet printing head extends out of the bottom surface of the frame, a flow guide block is respectively arranged on two sides of the jet orifice end along the moving direction of the ink-jet printing head, one side of the flow guide block, which is far away from the jet orifice end, is provided with a flow guide surface, when the ink-jet locomotive displaces, air flows towards a printing medium direction through the flow guide surface to form an air flow surface, an air flow surface area corresponding to the flow guide surface is positioned below the flow guide block, an air flow surface area corresponding to the frame is positioned below the frame, and an air flow.

The further improved scheme in the technical scheme is as follows:

1. in the scheme, the flow guide blocks are arranged on the side walls of the two sides of the frame.

2. In the scheme, the flow guide block is arranged on the bottom surface of the frame.

3. In the above scheme, the flow guide surface is a flow guide curved surface.

4. In the above scheme, the flow guide surface is a flow guide plane.

Based on same design, the utility model also provides an inkjet printing equipment, including foretell high-speed inkjet locomotive.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses high-speed inkjet locomotive and have inkjet printing equipment of this high-speed inkjet locomotive, through at orifice end both sides installation water conservancy diversion piece, utilize the air current of the water conservancy diversion face direction high-speed motion of water conservancy diversion piece during with the contact of water conservancy diversion piece, form regular air current bundle, on the one hand, regular air current bundle can shield orifice tip and air current contact collision and produce the turbulent flow, on the other hand, regular air current bundle can unify its influence to ink droplet ejection angle, when designing ejection angle, can be in advance with the directional stress that air current bundle was applyed during the calculation, thereby stabilize the placement of ink droplet, eliminate the irregular destruction of turbulent flow to ink droplet ejection angle, and then improve the printing quality.

Drawings

Fig. 1 is a schematic structural view of a high-speed ink-jet vehicle head in embodiment 1 of the present invention;

fig. 2 is another schematic structural diagram of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a high-speed inkjet head according to embodiment 2 of the present invention;

fig. 4 is another schematic structural diagram of embodiment 2 of the present invention.

In the above drawings: 1. a frame; 2. an inkjet print head; 3. a spray hole end; 4. a flow guide block; 5. a flow guide surface; 6. airflow surface.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a kind of high-speed ink-jet locomotive, refer to fig. 1 or fig. 2, including the frame 1 and ink-jet print head 2 mounted on frame 1, the jet orifice end 3 of the said ink-jet print head 2 stretches out of the bottom surface of frame 1, along the movement direction of ink-jet print head 2, install a deflector 4 in the jet orifice end 3 both sides sequentially, this deflector 4 deviates from one side of jet orifice end 3 and has a deflector 5, this deflector 5 and horizontal included obtuse angle lie below the horizontal plane, while displacing, the airstream flows to one side of print media through the deflector 5 and forms the airstream surface 6, the airstream surface 6 area corresponding to deflector 5 lies below deflector 4, the airstream surface 6 area corresponding to frame 1 lies below frame 1, the airstream surface 6 area corresponding to jet orifice end 3 lies below jet orifice end 3; the flow guide blocks 4 are arranged on the side walls of the two sides of the frame 1; the flow guide surface 5 is a flow guide curved surface.

Example 2: a kind of high-speed ink-jet locomotive, refer to fig. 3 or fig. 4, including the frame 1 and ink-jet print head 2 mounted on frame 1, the jet orifice end 3 of the said ink-jet print head 2 stretches out of the bottom surface of frame 1, along the movement direction of ink-jet print head 2, install a deflector 4 in the jet orifice end 3 both sides sequentially, this deflector 4 deviates from one side of jet orifice end 3 and has a deflector 5, this deflector 5 and horizontal included obtuse angle lie below the horizontal plane, while displacing, the airstream flows to one side of print media through the deflector 5 and forms the airstream surface 6, the airstream surface 6 area corresponding to deflector 5 lies below deflector 4, the airstream surface 6 area corresponding to frame 1 lies below frame 1, the airstream surface 6 area corresponding to jet orifice end 3 lies below jet orifice end 3; the flow guide block 4 is arranged on the bottom surface of the frame 1; the flow guide surface 5 is a flow guide plane.

Example 3: an ink-jet printing device comprises a high-speed ink-jet head, wherein the high-speed ink-jet head comprises a frame 1 and an ink-jet printing head 2 arranged on the frame 1, a jet orifice end 3 of the ink-jet printing head 2 extends out of the bottom surface of the frame 1, a flow guide block 4 is sequentially arranged on two sides of the jet orifice end 3 along the moving direction of the ink-jet printing head 2, one side of the flow guide block 4 departing from the jet orifice end 3 is provided with a flow guide surface 5, an obtuse angle formed by the flow guide surface 5 and a horizontal plane is positioned below the horizontal plane, during displacement, air flows to one side of a printing medium through the flow guide surface 5 to form an air flow surface 6, the area of the air flow surface 6 corresponding to the flow guide surface 5 is positioned below the flow guide block 4, the area of the air flow surface 6 corresponding to the frame 1 is positioned below the frame 1, and the.

By adopting the high-speed ink-jet locomotive and the ink-jet printing equipment with the high-speed ink-jet locomotive, the guide blocks are arranged on the two sides of the jet orifice end, and the air flow which is contacted with the guide blocks during high-speed movement is guided by the guide surfaces of the guide blocks to form the regular air flow beams.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A high-speed ink-jet locomotive is characterized by comprising a frame and an ink-jet printing head arranged on the frame, wherein a jet orifice end of the ink-jet printing head extends out of the bottom surface of the frame, a flow guide block is respectively arranged along the moving direction of the ink-jet printing head and on two sides of the jet orifice end, one side of the flow guide block, which is far away from the jet orifice end, is provided with a flow guide surface, when the ink-jet locomotive displaces, air flows towards a printing medium direction through the flow guide surface to form an air flow surface, an air flow surface area corresponding to the flow guide surface is positioned below the flow guide block, an air flow surface area corresponding to the frame is positioned below the frame, and an air flow.

2. The high-speed inkjet locomotive according to claim 1, wherein the flow guide blocks are mounted on the side walls on both sides of the frame.

3. The high-speed inkjet locomotive according to claim 1, wherein the flow guide block is mounted on the bottom surface of the frame.

4. The high-speed inkjet locomotive according to claim 1, wherein the flow guide surface is a curved flow guide surface.

5. The high-speed inkjet locomotive according to claim 1, wherein the flow guide surface is a flow guide plane.

6. An inkjet printing apparatus comprising the high-speed inkjet locomotive of any one of claims 1 to 5.