CN214606492U

CN214606492U - High-precision printing special-shaped screen printing plate

Info

Publication number: CN214606492U
Application number: CN202022733116.XU
Authority: CN
Inventors: 白耀文; 朱显超
Original assignee: Kunshan Lebang Precision Technology Co ltd
Current assignee: Kunshan Lebang Precision Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-11-05
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a high accuracy printing dysmorphism half tone, it includes the screen frame and stretches tight the silk screen of locating on the screen frame, and the silk screen is including the warp and the weft that interweave each other, and the screen frame is circular, the limit number is greater than four and be the even number central symmetry's polygon or corner be provided with the rectangle of orthodrome chamfer, and the radius of the orthodrome chamfer of rectangle is greater than the 15% of the long limit length of rectangle. The utility model discloses a high accuracy printing dysmorphism half tone, circular or limit number is greater than four and is the polygonal shape of the central symmetry of even number, can make the structure that the limit of net frame formed the arch, the orthodrome chamfer can disperse the tension on the angle, avoid stress concentration, can improve the structural strength of net frame, thereby make the net frame more stable, the deformation volume of net frame is little when bearing great silk screen tension, the tension of silk screen is more even unanimous, the distribution law is controllable, improve half tone tension degree of consistency, promote the printing precision, guarantee the printing quality, extension net frame life, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.

Description

High-precision printing special-shaped screen printing plate

Technical Field

The utility model relates to a screen printing technical field especially relates to a high accuracy printing dysmorphism half tone.

Background

At present, screen printing plates used in the screen printing industry are generally square and rectangular screen printing plates, are relatively regular in shape and are convenient to produce, manufacture, clamp and use. However, the existing square and rectangular screen printing plates generally have the defect of uneven tension distribution, generally, the central tension is low, the four-corner tension is high, the four-corner tension is higher than the central tension, and the strength of the screen frame profile is insufficient, so that the abnormal problems of size deformation, deviation, plate explosion and the like are easily caused in the printing process, and the printing precision, the printing quality and the service life of the screen printing plate are seriously influenced.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a high accuracy printing dysmorphism half tone solves the inhomogeneous problem of tension, and tension distribution is more even unanimous, improves half tone tension degree of consistency, promotes the printing precision, guarantees the printing quality, increase of service life, and the practicality is strong.

In order to realize the above-mentioned purpose, the utility model provides a high accuracy printing dysmorphism half tone, include the screen frame and stretch and locate silk screen on the screen frame, the silk screen is including warp and weft that interweaves each other, its characterized in that, the screen frame is circular, the limit number is greater than four and is the polygon of the central symmetry of even number or the rectangle that the corner is provided with the orthodrome chamfer, just the rectangle the radius of orthodrome chamfer is greater than the long limit length's of rectangle 15%.

In one example, the corners of the polygon are provided with rounded chamfers.

In one example, the polygon is a regular polygon.

In one example, the rectangle is a square.

Through the utility model provides a high accuracy printing dysmorphism half tone can bring following beneficial effect: by adopting the shape of a circular or centrosymmetric polygon with the number of sides more than four and an even number, the edges of the screen frame can form an arched structure, the arch can convert all or most of bending moment stress generated by loads acting on the arch into compressive stress, and the action point and the direction of the compressive stress pass through the axis of the arch, so that the structural strength of the screen frame can be greatly improved, the tension on corners can be dispersed by arranging a large arc chamfer at the corners of the rectangle, the stress concentration is avoided, the structural strength of the screen frame is also improved, so that the screen frame is more stable, the deformation amount of the screen frame is small when the large screen tension is borne, therefore, by changing the shape of the screen frame, the design of the special-shaped screen frame is adopted, the distribution of the force on the screen frame can be changed, the tension of the screen is more uniform, the distribution rule of the tension is controllable, the tension uniformity of the screen plate is improved, and the problem of non-uniform and uncontrollable tension is effectively solved, promote the printing precision, guarantee printing quality, extension screen frame life, the practicality is strong, is fit for popularizing and applying.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural diagram of a high-precision printing special-shaped screen printing plate according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a high-precision printing special-shaped screen printing plate according to another embodiment of the present invention;

fig. 3 is a schematic structural view of a high-precision printing special-shaped screen printing plate according to another embodiment of the present invention;

fig. 4 is a schematic structural view of a high-precision printing special-shaped screen printing plate according to another embodiment of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1-4, the embodiment of the utility model provides a high accuracy printing dysmorphism half tone, it includes screen frame 1 and stretches tight the silk screen on locating screen frame 1, and the silk screen is including the warp and the weft of interweaving, and screen frame 1 is circular, the limit number is greater than four and be the even number central symmetry's polygon or the rectangle that the corner is provided with orthodrome chamfer 11, and the orthodrome chamfer 11's of rectangle radius is greater than 15% of the long limit length of rectangle. By adopting the shape of a circular or centrosymmetric polygon with the number of sides more than four and an even number, the edges of the screen frame 1 can form an arched structure, the arch can convert all or most of bending moment stress generated by loads acting on the arch into pressure stress, and the action point and the direction of the pressure stress pass through the axis of the arch, so that the structural strength of the screen frame 1 can be greatly improved, the tension on the corners can be dispersed by arranging the large arc chamfers 11 at the corners of the rectangle, the stress concentration is avoided, the structural strength of the screen frame 1 is also improved, so that the screen frame 1 is more stable, the deformation amount of the screen frame 1 is small when the larger screen tension is borne, therefore, by changing the shape of the screen frame 1, the design of the special-shaped screen frame is adopted, the distribution of the force on the screen frame 1 can be changed, the tension of the screen is more uniform and consistent, the distribution rule of the tension is controllable, the tension of the screen is improved, and the problem of the uneven tension is effectively solved, promote the printing precision, guarantee printing quality, extension screen frame 1 life, the practicality is strong, is fit for popularizing and applying.

In one embodiment, the side length of the quadrangular frame 1 is 500 × 500mm, and the radius of the large arc chamfer 11 is 80mm or more.

In one embodiment, the polygonal screen tension is more uniform within 5% of the tension error, as tested, while the conventional screen tension error is more than 10%.

The utility model discloses a high accuracy printing dysmorphism half tone is applicable to photovoltaic solar wafer printing and photoelectric industry printing field, for example, the circuit printing of cell-phone camera, touch screen, MLCC, OLED etc..

Specifically, the corners of the polygon are provided with rounded chamfers 12. The arc chamfer 12 can disperse the tension on the corner, avoid stress concentration, the tension distribution is more uniform, the tension uniformity of the screen printing plate is improved, the printing precision is improved, the printing quality is ensured, the service life of the screen frame 1 is prolonged, and the practicability is high.

Specifically, the polygon is a regular polygon, such as a regular hexagon or a regular octagon. Regular polygon's atress is more even, and structural strength is higher, further improves half tone tension degree of consistency, promotes the printing precision, guarantees printing quality, increase of service life, and processing is simple and convenient moreover, low in manufacturing cost, and the practicality is strong.

Specifically, the rectangle is a square. The atress of square is more even, and structural strength is higher, further improves half tone tension degree of consistency, promotes the printing precision, guarantees printing quality, and life is longer, and processing is simple and convenient moreover, low in manufacturing cost, and the practicality is strong.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a high accuracy printing dysmorphism half tone, includes the screen frame and stretches tight locate silk screen on the screen frame, the silk screen is including warp and weft that interweaves each other, its characterized in that, the screen frame is circular, the number of sides is greater than four and be the even number central symmetry's polygon or the rectangle that the corner was provided with the orthodrome chamfer, just the rectangle the radius of orthodrome chamfer is greater than 15% of the long limit length of rectangle.

2. The special-shaped screen printing plate for high-precision printing as claimed in claim 1, wherein the corners of the polygon are provided with circular-arc chamfers.

3. The high-precision printing irregular screen printing plate as claimed in claim 1 or 2, wherein the polygon is a regular polygon.

4. The high-precision printing special-shaped screen printing plate as claimed in claim 1, wherein the rectangle is a square.