Screen printing plate

Abstract

The utility model discloses a printing screen, which relates to the technical field of printing screens and comprises a bottom metal layer and a screen body arranged at the upper end of the bottom metal layer. The bottom metal layer is made of a stainless steel material, ribs connected with grid lines do not exist in the grid lines on the screen main body, the grid lines on the screen main body are of an integral opening type, a mechanism facilitating ink flowing is arranged on the bottom metal layer, and the upper end of the screen main body is provided with the surface metal layer. The bottom metal layer and the surface metal layer provide the strength and stability of the screen main body, the bottom metal layer made of stainless steel can bear various pressures in the printing process, and when ink is applied to the screen main body, due to the fact that each grid line is of an overall open structure and is not internally provided with ribs, the ink can enter the grid lines without being blocked, and the printing quality is improved. Relatively uniform flow velocity and pressure can be kept, so that ink transferred to a printing material is distributed more uniformly, and formation of clear and accurate patterns is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing screen technology field, concretely is a kind of printing screen. BACKGROUND

[0002] In the printing industry, printing screen as the key component to control ink transfer, its structure and performance play a decisive role in printing quality, however, there are some significant problems in the use of existing printing screen.

[0003] The grid line structure of traditional printing screen often has factors hindering the smooth flow of ink, many screen grid lines are provided with rib-like structures, although these ribs can support to some extent, but become an obstacle to ink flow, ink is easy to accumulate at the rib when passing through the grid line, leading to uneven distribution of ink, which directly affects the clarity and accuracy of printed patterns, so that printed patterns may appear blurred lines, color depth is not the same and other problems, in color printing field, uneven color caused by ink accumulation seriously reduces the visual effect and quality of printed matter, cannot meet the market demand for high-quality printed matter.

[0004] Such as the announcement number CN119283484A a kind of metal screen, the top surface of the metal screen gauze is provided with welded wire screen gauze, the top surface of the welded wire screen gauze is provided with thickened metal screen gauze, one side of the welded wire screen gauze is provided with a marker sheet, one side of the metal screen gauze is provided with a connecting frame, can be thickened to a part of metal screen plate;

[0005] Such as the announcement number CN222473643U a kind of metal screen, the screen gauze is provided with a pad area and a non-pad area, the pad and the fish fork vertical section height are uneven, the pad and the fish fork horizontal section are provided with openings with different diameters, for the problem of the thickness consistency of the screen gauze of existing metal screen, reduce the fluidity of slurry at this place, and then improve the printing thickness of this area when printing, the metal screen above in use, the rib in the grid line of printing screen blocks ink, causes its accumulation, reduces the clarity, accuracy and color uniformity of printed pattern, also limits printing speed, but it still has other problems in the middle, such as the fixing mode of traditional printing screen is relatively complex, usually needs to use a variety of tools and complicated operation steps to accurately fix screen on printing equipment, once fixed operation is improper, screen is easy to displace, shake and other situations in printing process, and then affect the accuracy of printed pattern, disassembly process is also complex, especially in the case of frequent switching of printing task, different patterns or specifications screen need to be quickly replaced, the traditional screen fixing and replacement mode seriously affects production efficiency. UTILITY MODEL CONTENTS

[0006] The utility model discloses a printing screen plate to solve the problem that the muscle in the screen line of printing screen plate blocks ink, causes the accumulation, reduces the printing pattern definition, precision and color uniformity, and also limits the printing speed and the fixed mode is complicated, and the installation, dismounting time -consuming long, the high skill requirement of operating personnel, the easy displacement shaking of screen plate, the influence production efficiency and printing accuracy problem.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a printing screen plate, including bottom metal layer and the screen plate main part of bottom metal layer upper end setting, the bottom metal layer is made of stainless steel material, and the inside of the screen line on the screen plate main part is not connected with the muscle of screen line, and the screen line on the screen plate main part is integral open type, the bottom metal layer is provided with the ink flow mechanism convenient for, and the screen plate main part upper end is provided with surface metal layer, and the surface metal layer is made of nickel alloy material, the upper end of bottom metal layer is uniformly distributed with eight positioning columns, the screen plate main part upper end is seted up fixed groove, the bottom metal layer upper end is provided with the fixed installation mechanism convenient for, and the surface metal layer lower end is seted up positioning groove, and positioning column, fixed groove and positioning groove mutually cooperate.

[0008] Further, the ink flow mechanism convenient for includes the first protective coating of bottom metal layer outside setting, and the first protective coating is made of polyurethane material.

[0009] Further, the surface metal layer outside is provided with the second protective coating, and the second protective coating is made of epoxy resin material.

[0010] Further, the fixed installation mechanism convenient for includes the placing groove of bottom metal layer upper end front side right side setting, and the placing groove is evenly distributed four with bottom metal layer as the center of symmetry, and the installing plate is fixedly installed in the inside lower end of placing groove.

[0011] Further, the fixed shaft is fixedly installed on the upper end middle of installing plate, the fixed clamping plate is rotatably installed on the fixed shaft, and the fixed clamping plate is evenly distributed two with installing plate as the center of symmetry.

[0012] Further, the extrusion spring is installed on the right side of the upper end of installing plate, and the upper end of extrusion spring is installed in the right end middle of fixed clamping plate.

[0013] Further, the buckle is fixedly installed on the front side lower end of surface metal layer, and the buckle is evenly distributed four with bottom metal layer as the center of symmetry, and the buckle and fixed clamping plate mutually cooperate.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1、In the printing process, the bottom metal layer and the surface metal layer provide the screen body strength and stability, the bottom metal layer of stainless steel material can withstand various pressures in the printing process, when the ink is applied to the screen body, since each grid line is a whole open structure and has no internal rib, the ink can enter the grid line without obstruction, the relative uniform flow rate and pressure can be maintained, so that the ink distribution transferred to the printing material is more uniform, which helps to form clear and accurate patterns.

[0016] Further, the grid line has no rib and is a whole open structure, which eliminates the ink accumulation phenomenon, the ink can pass through the grid line uniformly and be accurately transferred to the printing material without obstruction, so that the lines of the printed pattern are clearer and more accurate, since the ink can be uniformly distributed on the surface of the printing material, the color uniformity of the printed pattern is greatly improved, in the color printing industry, whether it is large-format poster printing or delicate album printing, a more vivid, realistic and natural color transition effect can be presented.

[0017] Further, the smooth ink flow makes it possible to improve the printing speed, under the premise of ensuring the printing quality, the printing speed can be significantly improved, after using the printing screen, the printing speed on the packaging printing production line can be improved, which not only improves the production efficiency, but also reduces the production cost per unit product, improves the color uniformity, presents a vivid and realistic color effect, and speeds up the printing under the premise of ensuring the quality.

[0018] 2、The buckle at the lower end of the edge of the surface metal layer is aligned with the installation plate inside the placing slot on the bottom metal layer, the lower end of the buckle extrudes the upper end of the fixed clamping plate, the fixed clamping plate extrudes the extrusion springs on both sides, then the buckle is pushed into the fixed clamping plate for clamping, forming a tight mechanical connection, ensuring that the screen body maintains a stable position during use, realizing quick positioning and installation, which is simple and fast to operate, shortening the equipment preparation time, and the tight clamping structure prevents the screen from shifting and shaking, ensuring consistent pattern quality.

[0019] Further, the quick positioning and installation of the screen are realized, the operator only needs to align the buckle of the surface metal layer with the placing slot of the bottom metal layer and press it gently, and the installation can be completed, the whole process is simple and fast, and skilled operators can complete the installation of the screen within a few seconds, compared with the traditional fixing method, whether it is short printing or large-scale batch printing, the pattern quality of each printed product can be ensured to be the same, and the stability and reliability of the product are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of the utility model;

[0021] Figure 2 It is a half-cut three-dimensional structure schematic view of the surface metal layer of the utility model;

[0022] Figure 3 It is the three-dimensional structure schematic view of the protective coating of the utility model;

[0023] Figure 4 It is the three-dimensional structure schematic view of the screen body of the utility model;

[0024] Figure 5 It is the three-dimensional structure schematic view of the installation plate of the utility model;

[0025] Figure 6 It is the three-dimensional structure schematic view of the fixed clamping plate of the utility model.

[0026] In the drawing: 1, bottom metal layer; 2, screen body; 3, surface metal layer; 4, positioning column; 5, fixed groove; 6, positioning groove; 7, first protective coating; 8, second protective coating; 9, placing groove; 10, installation plate; 11, fixed shaft; 12, fixed clamping plate; 13, extrusion spring; 14, buckle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Embodiment one: please refer to Figures 1-6 The utility model provides the following technical scheme: a printing screen, including bottom metal layer 1 and the screen body 2 that bottom metal layer 1 upper end sets, bottom metal layer 1 is made of stainless steel material, and there is no muscle connected with grid line inside the grid line on the screen body 2, and the grid line on the screen body 2 is integral open type, bottom metal layer 1 is provided with the ink flow mechanism that facilitates, and the surface metal layer 3 is set up on the screen body 2 upper end, and the surface metal layer 3 is made of nickel alloy material, the upper end of bottom metal layer 1 is evenly distributed with eight positioning columns 4, and the fixed groove 5 is set up on the screen body 2 upper end, and the ink flow mechanism that facilitates is set up on bottom metal layer 1 upper end, and the positioning groove 6 is set up on the lower end of surface metal layer 3, and positioning column 4, fixed groove 5 and positioning groove 6 cooperate with each other, the first protective coating 7 of bottom metal layer 1 outside is set up, and the first protective coating 7 is made of polyurethane material, and the second protective coating 8 is set up on the outside of surface metal layer 3, and the second protective coating 8 is made of epoxy resin material.

[0029] In the printing process, the bottom metal layer 1 and the surface metal layer 3 provide the strength and stability of the screen body 2, the bottom metal layer 1 made of stainless steel can withstand various pressures in the printing process, and when the ink contacts the surface metal layer 3, it can better adhere and transfer, making the process of transferring ink from the grid line to the surface of the printing material more smooth, when the ink is applied to the screen body 2, since each grid line is a whole open structure and has no internal rib, the ink can enter the grid line without obstruction, maintaining a relatively uniform flow rate and pressure, thereby making the ink transferred to the printing material more evenly distributed, helping to form a clear and accurate pattern, the first protective coating 7 can adapt to different printing environments and process requirements, and can effectively protect the screen from wear and chemical erosion, and the second protective coating 8 can well resist chemical erosion and physical wear, and the formed coating is strong and durable.

[0030] Example two: on the basis of example one, a convenient fixing and mounting mechanism is also disclosed, and the specific structure is as follows:

[0031] The convenient fixing and mounting mechanism comprises a placing groove 9 opened on the front side of the upper end of the bottom metal layer 1, the placing grooves 9 are evenly distributed on both sides of the bottom metal layer 1 as the center, and the installation plate 10 is fixedly installed at the lower end inside the placing groove 9, the fixed shaft 11 is fixedly installed at the upper end of the installation plate 10, the fixed clamping plate 12 is rotatably installed on the fixed shaft 11, the fixed clamping plate 12 is evenly distributed on both sides of the installation plate 10 as the center, the extrusion spring 13 is installed on the right side of the upper end of the installation plate 10, and the extrusion spring 13 is installed at the right end of the fixed clamping plate 12 as the center, the buckle 14 is fixedly installed on the front side of the lower end of the surface metal layer 3, the buckles 14 are evenly distributed on both sides of the bottom metal layer 1 as the center, and the buckles 14 are matched with the fixed clamping plate 12.

[0032] The fixed groove 5 on the screen body 2 is installed in correspondence with the positioning column 4 on the bottom metal layer 1, then the positioning column 4 on the bottom metal layer 1 is installed in correspondence with the positioning groove 6 below the surface metal layer 3, then the buckle 14 at the lower end of the edge of the surface metal layer 3 is aligned with the installation plate 10 inside the placing groove 9 on the bottom metal layer 1, the lower end of the buckle 14 extrudes the upper end of the fixed clamping plate 12, the fixed clamping plate 12 extrudes the extrusion spring 13 on both sides, so that the fixed clamping plate 12 rotates around the fixed shaft 11 at the lower end as the center, then the buckle 14 is pushed into the fixed clamping plate 12 to be clamped, forming a close mechanical connection, ensuring that the screen body 2 maintains a stable position during use.

[0033] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A printing screen, comprising a bottom metal layer (1) and a screen body (2) disposed on the upper end of the bottom metal layer (1); characterized in that: The bottom metal layer (1) is made of stainless steel, and there are no ribs connected to the grid lines inside the grid lines on the screen body (2). The grid lines on the screen body (2) are open as a whole. The bottom metal layer (1) is provided with a mechanism to facilitate ink flow. The upper end of the screen body (2) is provided with a surface metal layer (3), and the surface metal layer (3) is made of nickel alloy. Eight positioning posts (4) are symmetrically and evenly distributed on the upper end of the bottom metal layer (1). The upper end of the screen body (2) is provided with a fixing groove (5). The upper end of the bottom metal layer (1) is provided with a mechanism to facilitate fixing and installation. The lower end of the surface metal layer (3) is provided with a positioning groove (6). The positioning posts (4), fixing groove (5) and positioning groove (6) cooperate with each other.

2. A printing screen according to claim 1, characterized in that: The ink flow facilitator includes a first protective coating (7) disposed on the outside of the bottom metal layer (1), and the first protective coating (7) is made of polyurethane material.

3. A printing screen according to claim 2, characterized in that: The outer side of the surface metal layer (3) is provided with a second protective coating (8), and the second protective coating (8) is made of epoxy resin.

4. A printing screen according to claim 1, characterized in that: The easy-to-fix installation mechanism includes a placement groove (9) opened on the right side of the front side of the upper end of the bottom metal layer (1), and four placement grooves (9) are evenly distributed with the bottom metal layer (1) as the center of symmetry, and an installation plate (10) is fixedly installed inside the lower end of the placement groove (9).

5. A printing screen according to claim 4, characterized in that: A fixed shaft (11) is fixedly installed at the middle of the upper end of the mounting plate (10), and a fixed clamping plate (12) is rotatably installed on the fixed shaft (11), and two fixed clamping plates (12) are evenly distributed with the mounting plate (10) as the center of symmetry.

6. A printing screen according to claim 5, characterized in that: A compression spring (13) is installed on the upper right side of the mounting plate (10), and the upper end of the compression spring (13) is installed in the middle of the right end of the fixing plate (12).

7. A printing screen according to claim 6, characterized in that: The front side of the lower end of the surface metal layer (3) is fixedly installed with a buckle (14), and four buckles (14) are evenly distributed with the bottom metal layer (1) as the center of symmetry, and the buckles (14) cooperate with the fixing plate (12).

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