Screen printing device

Abstract

The utility model relates to the technical field of silk-screen printing, and provides a silk-screen printing device which aims at solving the problem that patterns or characters are prone to bleeding or rubbing in the ink drying process of an existing silk-screen printing device for a packaging box and comprises a printing table and a silk-screen plate erected on the top of the printing table. A limiting mechanism is further erected on the top of the silk screen plate. The limiting mechanism comprises at least two sets of limiting assemblies, each limiting assembly comprises a mechanical arm and a telescopic rod arranged on the side wall face of the mechanical arm, the mechanical arms can be rotationally connected with the telescopic rods, and the telescopic rods can do reciprocating motion in the direction close to the center of the printing table. The printing table and the silk screen plate are arranged at the bottom of the packaging box to be subjected to silk screen printing, namely, printing is conducted in an inverted state, redundant ink printed on the surface of the packaging box to be subjected to silk screen printing can automatically flow back to the ink fountain under the action of gravity, and the problems of bleeding or scratching caused by the ink on the surface of the packaging box after printing are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing, in particular to a screen printing device. Background Art

[0002] Screen printing refers to the use of a silk screen as a base plate and a photosensitive plate making method to make a screen printing plate with images and texts, referred to as silk screen printing. Screen printing has the advantages of large single processing volume, low cost, bright colors, and long shelf life. It is currently widely used in ceramics, glass, bricks, textiles, plastics or metal products.

[0003] Among them, for the silk-screen processing on the surface of the packaging box, the patent with publication number CN219634761U provides a packaging box surface silk-screen printer, including a base, a fixedly connected mounting frame is installed on the top of the base, and a fixedly connected electric wire is installed on the mounting frame; a storage assembly, the storage assembly is located on the mounting frame, and the storage assembly includes a mounting box, an electric slide rail and a limit rod, a fixedly connected mounting box is installed on the mounting frame, and a plurality of fixedly connected electric slide rails are installed in the mounting box, and a slidably connected limit rod is installed on the electric slide rails; a support assembly, the support assembly is located below the base.

[0004] However, the existing screen printing devices used for the production of packaging boxes such as the above-mentioned ones often have the following problems: since most packaging boxes are paper products, the screen printing ink needs some time to dry after being printed on the surface of the packaging box. This process can easily cause the printed pattern or text to spread or be rubbed, affecting the effect of screen printing and the product qualification rate.

[0005] Based on this, there is an urgent need for a device suitable for a packaging box screen brush. Utility Model Content

[0006] The purpose of the utility model is to solve the problem that the pattern or text is easily spread or rubbed during the ink drying process in the existing screen printing device for packaging boxes. The application provides a screen printing device, which sets the printing table and the screen plate at the bottom of the packaging box to be screen-printed, that is, prints in an inverted state, and the excess ink printed on the surface of the packaging box to be screen-printed can automatically flow back to the ink tank under the action of gravity, thereby reducing the problems of spreading or rubbing caused by the ink on the surface of the packaging box after printing.

[0007] The utility model is realized by the following technical solutions:

[0008] A screen printing device comprises a printing table and a screen plate mounted on the top of the printing table, wherein a limiting mechanism is also mounted on the top of the screen plate; the limiting mechanism comprises at least two sets of limiting components, wherein the limiting components comprise a manipulator and a telescopic rod arranged on the side wall of the manipulator, wherein the manipulator can be rotatably connected to the telescopic rod, and the telescopic rod can reciprocate in a direction close to the center of the printing table.

[0009] Preferably, an operation box is further included, the printing table is arranged at the bottom of the operation box, the limiting assembly is arranged on the side wall surface of the operation box, and the limiting assembly is slidably connected to the side wall surface of the operation box.

[0010] Preferably, the limiting assembly includes a connecting seat, which is slidably connected to the side wall of the operating box; the telescopic rod is arranged in a horizontal direction, and one end of the telescopic rod is detachably connected to the side wall of the connecting seat, and the other side of the telescopic rod is detachably connected to the manipulator.

[0011] Preferably, a plurality of support columns are arranged at the bottom of the operation box, and the support columns are arranged in a vertical direction; an assembly plate is arranged at the edge of the wire mesh plate, and the top of the support column is detachably connected to the assembly plate.

[0012] Preferably, a limiting groove is provided on the top of the support column, and a plurality of limiting blocks are arranged on the inner side wall of the limiting groove. The plurality of limiting blocks are distributed along the vertical direction, and the assembly plate can be limited on the surface of the limiting block.

[0013] Preferably, the printing table comprises a table body, an ink tank and a roller brush, the ink tank is recessed on the top surface of the table body, and the roller brush is mounted on the inner side wall of the ink tank.

[0014] Preferably, the roller surface of the roller brush protrudes from the ink groove; the roller surface of the roller brush is provided with an ink absorbing layer, and the ink absorbing layer can contact the bottom of the ink groove.

[0015] Preferably, the side wall of the ink tank is provided with a slide rail, the roller brush is provided with a roller shaft, and the end of the roller shaft is slidably connected to the slide rail.

[0016] The technical solution of the utility model has the following beneficial effects:

[0017] The screen printing device of the utility model arranges the printing table and the screen plate at the bottom of the packaging box to be screen-printed, that is, printing is performed in an inverted state, and the excess ink printed on the surface of the packaging box to be screen-printed can automatically flow back to the ink tank under the action of gravity, thereby reducing the problems of bleeding or rubbing caused by the ink on the surface of the packaging box after printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a partial cross-sectional structural schematic diagram of the screen printing device in Example 1 (the limiting mechanism is in a longitudinal sliding state);

[0020] Figure 2 It is a partial cross-sectional structural schematic diagram of the screen printing device in Example 1 (the limiting mechanism is in a lateral pushing state);

[0021] Figure 3 It is a schematic diagram of the structure of the screen plate in Example 1;

[0022] Figure 4 It is a structural schematic diagram of the printing table in Example 1;

[0023] Figure 5 This is a schematic diagram of the structure of the support column in Example 1.

[0024] Icon: 1-printing table, 11-table body, 12-ink tank, 13-roller brush, 14-ink absorbing layer, 15-slide rail, 16-roller shaft, 2-screen plate, 21-support column, 211-limiting groove, 212-limiting block, 22-assembly plate, 221-bolt, 31-manipulator, 32-telescopic rod, 33-connecting seat, 4-operation box. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] Example 1

[0029] like Figures 1 to 5 As shown, this embodiment provides a screen printing device, including an operating box 4, in which a printing table 1 and a screen plate 2 mounted on the top of the printing table 1 are arranged, the printing table 1 is arranged at the bottom of the operating box 4, and a limiting mechanism is also mounted on the top of the screen plate 2;

[0030] The limiting mechanism includes two groups of limiting components arranged at opposite sides, the limiting components include a manipulator 31 and a telescopic rod 32 arranged on the side wall of the manipulator 31, the manipulator 31 is rotatably connected with the telescopic rod 32, and the telescopic rod 32 can reciprocate in a direction close to the center of the printing table 1. The manipulator 31 in this embodiment adopts an L-shaped plate structure to achieve the functions of placing the object to be screen-printed and pushing the object.

[0031] In this embodiment, the printing table 1 and the screen plate 2 are arranged at the bottom of the packaging box to be screen-printed, that is, printing is performed in an inverted state. The excess ink printed on the surface of the packaging box to be screen-printed can automatically flow back to the ink tank 12 under the action of gravity, thereby reducing the problem of ink bleeding or rubbing on the surface of the packaging box after printing.

[0032] In this embodiment, the limit assembly is configured on the side wall surface of the operation box 4, and the limit assembly includes a connecting seat 33, which is slidably connected to the side wall surface of the operation box 4; the telescopic rod 32 is arranged in the horizontal direction, and one end of the telescopic rod 32 is screwed to the side wall surface of the connecting seat 33, and the other side of the telescopic rod 32 is screwed to the manipulator 31.

[0033] In this embodiment, a pair of support columns 21 are arranged at the bottom of the operation box 4, and the support columns 21 are arranged in the vertical direction; the edge of the screen plate 2 is provided with an assembly plate 22, and the top of the support column 21 is connected to the assembly plate 22 by bolts 221; a limiting groove 211 is arranged at the top of the support column 21, and a plurality of limiting blocks 212 are arranged on the inner side wall of the limiting groove 211, and the plurality of limiting blocks 212 are distributed in the vertical direction, and the assembly plate 22 can be limited on the surface of the limiting blocks 212. When printing, the screen plate 2 can be adjusted to a suitable height according to the thickness, shape and other dimensions of the screen plate 2, and the shape, size and other dimensions of the object to be screen-printed, so as to better complete the screen printing process.

[0034] In this embodiment, the printing table 1 includes a table body 11, an ink tank 12 and a roller brush 13. The ink tank 12 is recessed on the top surface of the table body 11, and the roller brush 13 is mounted on the inner side wall of the ink tank 12; the roller surface of the roller brush 13 protrudes out of the ink tank 12; the roller surface of the roller brush 13 is provided with an ink absorbing layer 14, and the ink absorbing layer 14 can adopt an ink absorbing sponge, and the ink absorbing layer 14 can contact with the bottom of the ink tank 12; the side wall surface of the ink tank 12 is configured with a slide rail 15, and the roller brush 13 is penetrated by a roller shaft 16, and the end of the roller shaft 16 is slidably connected to the slide rail 15.

[0035] When in use, first put the object to be screen-printed from the top of the operation box 4, place it on the surface of the robot 31 and abut against the robot 31; then move the object held by the robot 31 to the surface of the screen plate 2 by moving the connecting seat 33, then rotate the robot 31, extend the telescopic rod 32, and fix the object in the center of the surface of the screen plate 2; finally, the roller brush 13 can be rolled to allow the ink to be adsorbed on the ink absorbing layer 14 and then printed on the surface of the object through the screen plate 2.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A screen printing device, characterized in that: It comprises a printing platform (1), and a screen plate (2) mounted on the top of the printing platform (1), wherein a limiting mechanism is also mounted on the top of the screen plate (2); The limiting mechanism comprises at least two groups of limiting components, wherein the limiting components comprise a manipulator (31) and a telescopic rod (32) arranged on a side wall surface of the manipulator (31); the manipulator (31) can be rotatably connected to the telescopic rod (32), and the telescopic rod (32) can reciprocate in a direction close to the center of the printing table (1).

2. The screen printing device according to claim 1, characterized in that: It also comprises an operating box (4), the printing table (1) is arranged at the bottom of the operating box (4), the limiting assembly is arranged on the side wall surface of the operating box (4), and the limiting assembly is slidably connected to the side wall surface of the operating box (4).

3. The screen printing device according to claim 2, characterized in that: The limiting assembly comprises a connecting seat (33), and the connecting seat (33) is slidably connected to the side wall surface of the operating box (4); The telescopic rod (32) is arranged in the horizontal direction, and one end of the telescopic rod (32) is detachably connected to the side wall surface of the connecting seat (33), and the other side of the telescopic rod (32) is detachably connected to the manipulator (31).

4. The screen printing device according to claim 2, characterized in that: A plurality of support columns (21) are arranged at the bottom of the operation box (4), and the support columns (21) are arranged in a vertical direction; The edge of the wire mesh plate (2) is provided with an assembly plate (22), and the top of the support column (21) is detachably connected to the assembly plate (22).

5. The screen printing device according to claim 4, characterized in that: A limiting groove (211) is provided on the top of the support column (21), and a plurality of limiting blocks (212) are arranged on the inner side wall of the limiting groove (211). The plurality of limiting blocks (212) are distributed along the vertical direction, and the assembly plate (22) can be limited on the surface of the limiting blocks (212).

6. The screen printing device according to any one of claims 1 to 5, characterized in that: The printing table (1) comprises a table body (11), an ink tank (12) and a roller brush (13); the ink tank (12) is recessed on the top surface of the table body (11), and the roller brush (13) is mounted on the inner side wall of the ink tank (12).

7. The screen printing device according to claim 6, characterized in that: The roller surface of the roller brush (13) protrudes from the ink groove (12); The roller surface of the roller brush (13) is provided with an ink absorbing layer (14), and the ink absorbing layer (14) can be in contact with the bottom of the ink tank (12).

8. The screen printing device according to claim 6, characterized in that: The side wall surface of the ink tank (12) is provided with a slide rail (15), the roller brush (13) is penetrated by a roller shaft (16), and the end of the roller shaft (16) is slidably connected to the slide rail (15).

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