阅读说明：本技术 一种印刷装置 (Printing device ) 是由 王家林 李胜夏 邢慧泽 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种印刷装置,该装置包括：印刷头,所述印刷头包括：笔尖、卡持件和连接件,笔尖由多根毛发组成,包括端部和根部；连接件包括一基底,基底第一侧的边缘设有凸出的壁,壁和基底配合形成腔体,基底第一侧的中心位置设有一凸出的第一墨水流道,基底第二侧的中心位置设有一凸出的第二墨水流道,第一墨水流道和第二墨水流道连通；笔尖的根部深入腔体并包裹第一墨水流道,使第一墨水流道处于笔尖的根部的中心位置；卡持件沿笔尖的端部到根部的方向,穿过笔尖插入连接件的腔体,与连接件固定连接,以束缚笔尖的毛发并使笔尖的根部固定在连接件的腔体内。(The invention discloses a printing device, comprising: a print head, the print head comprising: the pen point comprises a plurality of hairs and comprises an end part and a root part; the connecting piece comprises a substrate, wherein a convex wall is arranged at the edge of the first side of the substrate, the wall and the substrate are matched to form a cavity, a convex first ink flow channel is arranged at the center of the first side of the substrate, a convex second ink flow channel is arranged at the center of the second side of the substrate, and the first ink flow channel is communicated with the second ink flow channel; the root of the pen point penetrates into the cavity and wraps the first ink flow channel, so that the first ink flow channel is positioned in the center of the root of the pen point; the clamping piece penetrates through the pen point to be inserted into the cavity of the connecting piece along the direction from the end part to the root part of the pen point and is fixedly connected with the connecting piece so as to restrict the hair of the pen point and fix the root part of the pen point in the cavity of the connecting piece.)

1. A printing apparatus, characterized in that the apparatus comprises: a print head, the print head comprising: the pen point comprises a pen point body, a clamping piece and a connecting piece, wherein the pen point body consists of a plurality of hairs and comprises an end part and a root part;

the connecting piece comprises a substrate, wherein a convex wall is arranged at the edge of the first side of the substrate, the wall and the substrate are matched to form a cavity, a convex first ink flow channel is arranged at the center of the first side of the substrate, a convex second ink flow channel is arranged at the center of the second side of the substrate, and the first ink flow channel is communicated with the second ink flow channel;

the root of the pen point penetrates into the cavity and wraps the first ink flow channel, so that the first ink flow channel is positioned in the center of the root of the pen point;

the clamping piece penetrates through the pen point to be inserted into the cavity of the connecting piece along the direction from the end part to the root part of the pen point and is fixedly connected with the connecting piece so as to restrain the hair of the pen point and fix the root part of the pen point in the cavity of the connecting piece.

2. Printing device according to claim 1,

the tip of each hair of the tip has a diameter of less than 30 microns.

3. Printing device according to claim 1,

the diameter of the first ink flow channel is 5-1000 microns, and the diameter of the first ink flow channel is smaller than that of the second ink flow channel.

4. A printing device as claimed in claim 1, characterized in that the device further comprises an ink duct;

and a second ink flow channel on the second side of the substrate of the connecting piece is inserted into the ink tube, and the outer side of the second ink flow channel is fixedly connected with the inner wall of the first end of the ink tube through a corresponding structure.

5. The printing device of claim 4, wherein the second end of the ink tube is provided with an ink inlet through which ink is injected into the ink tube;

the ink tube is a dispensing ink tube; the ink is one of solvent conductive silver ink, polymer or micromolecule solution and nano dispersion liquid.

6. A printing apparatus according to claim 1, further comprising:

and the mechanical frame is controlled by a control module to drive the printing head to move so as to draw a graph.

Technical Field

The invention relates to the field of printing, in particular to a printing device.

Background

The existing printing equipment comprises ink-jet printing, electrofluid jet printing, silk screen printing and a simpler dispensing process, wherein the silk screen printing and the simpler dispensing process can not realize patterning on dilute solution with lower solution viscosity. The diameter of a jet orifice commonly used in ink-jet printing is 20 micrometers, when a dilute solution with low solution viscosity is used, the solution diffusion phenomenon is seriously difficult to obtain a graph with the precision of less than 50 micrometers, and if the diameter of the jet orifice is reduced, the extrusion difficulty of ink drops is increased, and the jet orifice is easily blocked. Although the precision of electrofluid jet printing is high, the equipment price is expensive. The printing field urgently needs printing equipment with high graphic precision and low equipment cost.

Disclosure of Invention

The present invention provides a printing apparatus to solve at least the above technical problems in the prior art.

In one aspect, the present invention provides a printing apparatus, comprising: a print head, the print head comprising: the pen point comprises a pen point body, a clamping piece and a connecting piece, wherein the pen point body consists of a plurality of hairs and comprises an end part and a root part; the connecting piece comprises a substrate, wherein a convex wall is arranged at the edge of the first side of the substrate, the wall and the substrate are matched to form a cavity, a convex first ink flow channel is arranged at the center of the first side of the substrate, a convex second ink flow channel is arranged at the center of the second side of the substrate, and the first ink flow channel is communicated with the second ink flow channel; the root of the pen point penetrates into the cavity and wraps the first ink flow channel, so that the first ink flow channel is positioned in the center of the root of the pen point; the clamping piece penetrates through the pen point to be inserted into the cavity of the connecting piece along the direction from the end part to the root part of the pen point and is fixedly connected with the connecting piece so as to restrain the hair of the pen point and fix the root part of the pen point in the cavity of the connecting piece.

In one embodiment, the tip of each hair of the tip has a diameter of less than 30 microns.

In one embodiment, the diameter of the first ink flow channel is 5-1000 microns, and the diameter of the first ink flow channel is smaller than the diameter of the second ink flow channel.

In one embodiment, the apparatus further comprises: and the second ink flow channel on the second side of the substrate of the connecting piece is inserted into the ink tube, and the outer side of the second ink flow channel is fixedly connected with the inner wall of the first end of the ink tube through a corresponding structure.

In an embodiment of the ink tube, a second end of the ink tube is provided with an ink inlet, and ink is injected into the ink tube through the ink inlet; the ink tube is a dispensing ink tube; the ink is one of solvent conductive silver ink, polymer or micromolecule solution and nano dispersion liquid.

In one embodiment, the apparatus further comprises: and the mechanical frame is controlled by a control module to drive the printing head to move so as to draw a graph.

Based on the above, the printing device provided by the invention has the advantages that the pen point is composed of the hair, the hair is low in price, the cost of the printing equipment is greatly reduced, the diameter of the end part of the hair composing the pen point is smaller than 30 micrometers, in the drawing process, the ink in the ink tube flows to the pen point to infiltrate the hair of the pen point, and the graph with the precision of less than 10 micrometers can be drawn by utilizing the capillary action of the hair.

Drawings

FIG. 1 illustrates a schematic structural view of a printhead arrangement provided by an embodiment of the present invention;

FIG. 2 illustrates another printhead structure provided by an embodiment of the present invention;

fig. 3 is a schematic diagram of a printing apparatus according to an embodiment of the present invention.

Reference numerals:

a pen tip 010; a retaining member 020; a connector 030;

a first ink flow channel 031; wall 032; a substrate 033;

a second ink flow passage 034; an ink tube 110; a print head 120;

a machine frame 210; a graphic carrier 220.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The existing printing equipment comprises ink-jet printing, electrofluid jet printing, silk screen printing and a simpler dispensing process, wherein the silk screen printing and the simpler dispensing process can not realize patterning on dilute solution with lower solution viscosity. The diameter of a jet orifice commonly used in ink-jet printing is 20 micrometers, when a dilute solution with low solution viscosity is used, the solution diffusion phenomenon is seriously difficult to obtain a graph with the precision of less than 50 micrometers, and if the diameter of the jet orifice is reduced, the extrusion difficulty of ink drops is increased, and the jet orifice is easily blocked. Although the precision of electrofluid jet printing is high, the equipment price is expensive. The printing field urgently needs printing equipment with high graphic precision and low equipment cost.

In order to improve the accuracy of printed patterns and reduce the cost of printing equipment, an embodiment of the present invention provides a printing apparatus, the printing apparatus includes a printing head 120, as shown in fig. 1, the printing head 120 includes a pen tip 010, a retaining member 020 and a connecting member 030, wherein the pen tip 010 is composed of a plurality of hairs, the pen tip 010 further includes an end portion and a root portion, the end portion of the pen tip is composed of the end portion of the hairs, the root portion of the pen tip is composed of the root portion of the hairs, and the diameter of each end portion of the hairs is smaller than 30 micrometers, and the hairs composing the pen tip 010 can draw the patterns with the accuracy of less than 10 micrometers by using capillary action.

Connecting piece 030, connecting piece 030 includes a base 033, the edge of the first side of base 033 is equipped with convex wall 032, wall 032 and base 033 cooperate and form the cavity, the central point of the first side of base 033 is equipped with a convex first ink runner 031, the central point of the second side of base is equipped with a convex second ink runner 034, first ink runner 031 and second ink runner 034 communicate, first ink runner 031 diameter is between 5 microns to 1000 microns, in order to control the ink flow rate, and the diameter of first ink runner 031 is less than the diameter of second ink runner 034, card holding piece 020 is along the tip of nib 010 to the direction of root, pass through the cavity that nib 010 inserts the connecting piece 030, with connecting piece 030 fixed connection, in order to tie the hair of nib 010 and make the root of nib 010 fix in the cavity of connecting piece 030. The root of the pen tip 010 penetrates into the cavity and wraps the first ink flow channel 031, so that the first ink flow channel 031 is located at the center of the root of the pen tip 010.

As shown in fig. 2, the printing apparatus provided in the embodiment of the present disclosure further includes:

the ink tube 110, the second ink flow channel 034 on the second side of the base 033 of the connector 030 is inserted into the ink tube 110, the outer side of the second ink flow channel 034 is fixedly connected with the inner wall of the first end of the ink tube 110 by corresponding structures, and the connection mode includes:

in a first mode

The inner wall of the first end of the ink tube 110 is provided with threads, the second ink flow channel 034 on the second side of the substrate 033 on the connecting member 030 is inserted into the first end of the ink tube 110, and then the threads on the inner wall of the first end of the ink tube 110 are screwed with the threads on the outer side of the second ink flow channel 034, so that the connecting member 030 is fixedly connected with the ink tube 110.

Mode two

The inner wall of the first end of the ink tube 110 is made of elastic plastic, the second ink flow channel 034 on the second side of the substrate 033 of the connector 030 is inserted into the first end of the ink tube 110, and the inner wall of the first end of the ink tube 110 clamps the second ink flow channel 034, so that the connector 030 is fixedly connected to the ink tube 110.

In the embodiment of the present disclosure, the connection mode between the second ink flow channel 034 and the ink tube 110 is not limited to the above two modes, as long as the second ink flow channel 034 can be inserted into the ink tube 110 to achieve the effect of fixedly connecting the two modes.

The second end of the ink tube 110 is provided with an ink inlet, the ink is injected into the ink tube 110 through the ink inlet, after the ink is injected into the ink tube 110, the gravity of the ink itself can be passed, the second end of the ink tube is additionally provided with a pneumatic device to generate air pressure, or the second end of the ink tube is additionally provided with a piston device to extrude the ink, so that the ink flows into the second ink flow channel 034 through the first end of the ink tube 110, then flows into the first ink flow channel 031 through the second ink flow channel 034, and then flows into the nib 010 through the first ink flow channel 031 to control the flow rate of the ink, the ink tube 110 can be a dispensing ink tube or other ink storage containers, and the ink can be a dilute solution with lower solution viscosity, for example: solvent-based conductive silver ink, polymer or small molecule solution or nano dispersion, and the like.

In the print head 120, the printing device shown in the first figure, the second ink flow channel 034 on the second side of the base 033 of the connector 030 of the print head 120 is inserted into the ink tube 110, and the outer side of the second ink flow channel 034 is fixedly connected to the inner wall of the first end of the ink tube 110 by corresponding structures.

As shown in fig. 3, the printing apparatus provided in the embodiment of the present disclosure further includes: the carriage 210 mounts the structure of the print head 120 and the ink tube 110 shown in fig. 2 on the carriage 210. The mechanical frame 210 is controlled by a control module to drive the structure shown in fig. 2 to move to draw a graph, the control module comprises a graph processing unit and a motion track processing unit, graph drawing paper is generated by graph software, then the motion track is calculated by the motion software, the height or distance between the pen point 110 of the printing head 120 and the graph carrier 220 is adjusted through the mechanical frame 210, the moving speed of the printing head 120 is controlled, the printing head is driven to move according to the calculated motion track, and the graph is drawn on the graph carrier 220.

The pattern carrier 220, which is a carrier for printing patterns, may be a lower film or device, and since the hairs of the pen tip 010 are soft and elastic, the lower film or device is not damaged during the drawing process.

The structure of the print head 120 and the ink tube 110 shown in fig. two is connected to the mechanical frame 210 by, for example, screwing bolts.

In the printing device provided by the embodiment of the invention, the pen point 010 is composed of hairs, the hairs are low in price, the cost of a printing device is greatly reduced, the diameter of the end part of the hairs forming the pen point 010 is smaller than 30 micrometers, ink in the ink tube 110 flows to the pen point 010 through the first ink flow channel 031 in the drawing process, the diameter of the first ink flow channel 031 is 5-1000 micrometers, the flow rate of the ink is controlled to be too fast or too slow, the ink infiltrates the hairs of the pen point 010, a graph with the precision of less than 10 micrometers can be drawn on the graph carrier 220 by utilizing the capillary action of the hairs, the hairs are soft and rich in elasticity, a lower layer film or a device cannot be damaged in the drawing process, and in the embodiment of the invention, the diameter of the first ink flow channel can be adjusted according to the viscosity of a dilute solution used, so that the nozzle is.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.