Screen printing machine capable of automatically and uniformly supplementing ink

Abstract

The utility model relates to a screen printing machine capable of automatically and uniformly supplementing ink, which has the specific structure that the screen printing machine comprises a rack base, a printing placing table top is arranged on the rack base, a longitudinal rack plate is fixedly connected to one side of the printing placing table top, a printing plate is connected to the longitudinal rack plate in a sliding manner, and a printing groove is formed in the printing plate; a printing assembly is slidably connected to the rack plate and comprises a scraping plate and an ink return plate which are slidably connected, the scraping plate and the ink return plate both face the bottom face of the printing groove, the printing assembly further comprises a printing linear module, a printing head is slidably connected to the printing linear module, and the scraping plate and the ink return plate both are slidably connected to the printing head. And a pressing assembly is fixedly arranged at the bottom of the printing head and comprises a pressing plate, an S-shaped pressing sliding groove is formed in the pressing plate, a pressing rod is rotationally connected into the pressing sliding groove, the other end of the pressing rod is rotationally connected with a lifting plate, and the automatic ink supplementing effect is achieved by arranging a pressing mechanism and an ink supplementing mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to a silk screen printing machine technology field, concretely relates to a silk screen printing machine that can automatically and evenly replenish ink. BACKGROUND

[0002] Screen printing is composed of five elements, namely, screen printing plate, squeegee, ink, printing table and printing material, and the basic principle of screen printing is: using the principle that the mesh holes of the screen printing plate text part are transparent to ink and the mesh holes of the non-text part are not transparent to ink to print. When printing, ink is poured on one end of the screen printing plate, a certain pressure is applied to the ink part on the screen printing plate with a squeegee, and the squeegee is moved towards the other end of the screen printing plate, and the ink is squeezed from the mesh holes of the text part to the printing material in the movement.

[0003] In the process of screen printing, a silk screen printing machine is needed, and in the existing silk screen printing machine, the printing tank is filled with ink, the ink is scraped flat by a squeegee, the product to be printed is positioned and placed on the bottom surface of the printing plate to print, and after printing, the ink is returned to the ink return plate to return the flat ink, which can facilitate the movement mode of the next silk screen printing machine and facilitate printing again.

[0004] In the process of printing, the existing silk screen printing machine needs to add ink to the printing tank, and the ink replenishment in the printing process needs to be connected to the catheter for replenishment, on the one hand, it is difficult to accurately control the amount of replenished ink, which may cause waste after printing, on the other hand, it may cause uneven replenishment of ink, thereby affecting the printing quality, therefore, the existing silk screen printing machine has the problem of ineffective ink replenishment. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to: set up a structure that can automatically replenish ink and uniformly replenish ink, which can meet the demand of a large number of printed paper shells without affecting the printing quality.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a silk screen printing machine capable of automatic uniform ink replenishment, including frame base, the frame base is provided with printing placement table surface, one side of printing placement table surface is fixedly connected with longitudinal frame plate, slidingly connected with printing plate on longitudinal frame plate, is equipped with printing groove on printing plate, slidingly connected with printing assembly on frame plate, printing assembly includes slidingly connected scraper and ink return plate, the scraper and ink return plate all are to the bottom surface of printing groove, printing assembly still includes printing straight line module, slidingly connected with printing head on printing straight line module, the scraper and ink return plate all are slidingly connected on printing head, the bottom of printing head is fixedly provided with pressing assembly, the pressing assembly includes pressing plate, is equipped with " S" type pressing sliding slot on pressing plate, rotationally connected with pressing lever in pressing sliding slot, rotationally connected with lifting plate on the other end of pressing lever, one side of lifting plate is fixedly provided with pressing block, fixedly connected with ink sac on printing placement table surface, ink sac is placed below pressing block.

[0007] Preferably, the pressing assembly further includes a positioning block fixedly connected to one side of the lifting plate, the positioning block is fixedly connected above the pressing block, one side of the lifting plate extends a sliding rod, and a vertical sliding groove is formed on the longitudinal frame plate for sliding of the sliding rod.

[0008] Preferably, a containing groove is formed on the surface of the printing plate, the ink sac is slidingly connected in the containing groove, an adjusting cylinder is fixedly connected to the bottom surface of the containing groove, and the piston rod of the adjusting cylinder penetrates through the bottom surface of the containing groove and is fixedly connected to the bottom surface of the ink sac.

[0009] Preferably, a pipeline placement groove is formed on the printing plate, a rotating rod is rotationally connected in the pipeline placement groove, a conduit is arranged in the rotating rod, a conveying pipe is fixedly connected in the pipeline placement groove and connected with the conduit, and ink outlets are formed in the side wall of the printing groove and communicated with the middle parts of the conveying pipe.

[0010] Preferably, a matching sleeve is fixedly connected to one end of the rotating rod, the matching sleeve is communicated with the conduit, an ink jet nozzle is fixedly connected to one side of the ink sac, and the matching sleeve is matched with the ink jet nozzle.

[0011] Preferably, a lifting rod is fixedly connected to the printing placement table surface, the printing plate is slidingly connected to the lifting rod, a longitudinal cylinder is fixedly connected to the longitudinal frame plate, and the piston rod of the longitudinal cylinder is fixedly connected to the surface of the printing plate.

[0012] The utility model has the advantages that:

[0013] 1. The pressing assembly can move along with the printing head, and can press the ink bag arranged on the screen printing machine to supplement the ink in the printing groove during the ink returning operation, so that the ink supplementing effect is achieved.

[0014] 2. The half-ring surrounding printing groove is provided with a guide pipe, which can cooperate with the ink bag from multiple directions to supplement the ink and achieve the uniform ink applying effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Structure diagram of the screen printing machine capable of automatically and uniformly supplementing ink Figure 1 ;

[0016] Figure 2 Structure diagram of the screen printing machine capable of automatically and uniformly supplementing ink Figure 2 ;

[0017] Figure 3 For Figure 2 the enlarged view of A in FIG. 1;

[0018] Figure 4 Structure diagram of part of the screen printing machine capable of automatically and uniformly supplementing ink.

[0019] In the drawings:

[0020] 1. The machine base; 11, the printing placement table; 111, the ink bag; 112, the ink jet; 113, the lifting rod; 12, the longitudinal rack plate; 121, the vertical sliding groove; 122, the longitudinal air cylinder; 13, the printing plate; 131, the printing groove; 132, the containing groove; 133, the adjusting air cylinder; 134, the pipeline placement groove; 135, the rotating rod; 136, the transportation pipe; 137, the ink outlet; 138, the matching sleeve;

[0021] 2. The printing assembly; 21, the scraper; 22, the ink returning plate; 23, the printing linear module; 231, the printing head;

[0022] 3. The pressing assembly; 31, the pressing plate; 32, the pressing sliding groove; 33, the pressing rod; 34, the lifting plate; 341, the sliding rod; 35, the pressing block; 36, the positioning block. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the screen printing machine capable of automatically and uniformly supplementing ink more clear and understandable, the following will further describe the screen printing machine capable of automatically and uniformly supplementing ink in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the screen printing machine capable of automatically and uniformly supplementing ink, and are not used to limit the screen printing machine capable of automatically and uniformly supplementing ink.

[0024] Reference Figures 1-4, Set up the rack base 1, the printing placement table 11 is arranged on the rack base 1, the paper shell to be printed is positioned and placed on the printing placement table 11 to wait for printing, a longitudinal rack plate 12 is fixedly connected on one side of the printing placement table 11, various cooperating silk screen structures are installed on the longitudinal rack plate 12 to perform the silk screen printing process operation on the paper shell to be detected, a printing plate 13 is slidably connected on the longitudinal rack plate 12, a printing groove 131 is formed on the printing plate 13, the bottom surface of the printing groove 131 is a silk screen plate, and small holes are formed on the part to be printed, which can pass ink to penetrate the paper shell on the printing placement table 11 to perform printing.

[0025] Reference Figures 1-4 , The printing assembly 2 is slidably connected on the rack plate, the printing assembly 2 includes the scraper 21 and the ink return plate 22 which are slidably connected, the scraper 21 can scrape the ink to be flat to perform the printing operation, the ink return plate 22 can push the scraped ink back to the initial gathering state, the scraper 21 and the ink return plate 22 are both directed to the bottom surface of the printing groove 131, the printing assembly 2 further includes the printing linear module 23, the printing head 231 is slidably connected on the printing linear module 23, the scraper 21 and the ink return plate 22 are both slidably connected on the printing head 231, the air cylinder structure is fixedly connected above the scraper 21 and the ink return plate 22, and the air cylinder structure can drive the hanging plate and the ink return plate 22 to abut against the bottom surface of the printing groove 131 when the scraper 21 and the ink return plate 22 are driven respectively.

[0026] Reference Figures 1-4 , The bottom of the printing head 231 is fixedly provided with the pressing assembly 3, the pressing assembly 3 includes the pressing plate 31, the “S”-shaped pressing sliding groove 32 is formed on the pressing plate 31, the printing head 231 changes the movement state under the limit of the pressing sliding groove 32 when moving along the printing linear module 23, the pressing rod 33 is rotatably connected in the pressing sliding groove 32, the other end of the pressing rod 33 is rotatably connected with the lifting plate 34, the lifting plate 34 is lifted by the sliding of the pressing rod 33 in the pressing sliding groove 32, the pressing block 35 is fixedly arranged on one side of the lifting plate 34, the positioning block 36 is fixedly connected on the pressing block 35, the positioning block 36 is fixedly connected above the pressing block 35, the sliding rod 341 is arranged on one side of the lifting plate 34, the vertical sliding groove 121 is formed on the longitudinal rack plate 12 for the sliding of the sliding rod 341, the sliding rod 341 is slid in the vertical sliding groove 121 by the lifting of the lifting rod 113, the pressing block 35 is a flat circular structure, which can perform the ink pressing process by extruding the ink.

[0027] Reference Figures 1-4The printing placement table 11 is fixedly connected with an ink bag 111, which is placed directly below the pressing block 35. When the pressing plate 31 presses the ink bag 111, the ink bag 111 can be squeezed to extrude the ink. The surface of the printing plate 13 is provided with a containing groove 132, and the ink bag 111 is slidably connected in the containing groove 132. The bottom surface of the containing groove 132 is fixedly connected with an adjusting cylinder 133, and the piston rod of the adjusting cylinder 133 penetrates the bottom surface of the containing groove 132 and is fixedly connected with the bottom surface of the ink bag 111, so that the position of the ink bag 111 can be adjusted. When the ink is not needed to be supplemented, the piston rod of the adjusting cylinder 133 is retracted, and the pressing plate 31 is not pressed on the surface of the ink bag 111 when it moves to the lowest position.

[0028] Reference Figures 1-4 The printing plate 13 is provided with a pipeline placement groove 134, and a rotating rod 135 is rotatably connected in the pipeline placement groove 134. The rotating rod 135 is provided with a conduit, and the ink can flow in the conduit. The pipeline placement groove 134 is fixedly connected with a conveying pipe 136 which is connected with the conduit. The sidewall of the printing groove 131 is provided with ink outlets 137 which are in communication with the middle parts of the conveying pipe 136. One end of the rotating rod 135 is fixedly connected with a matching sleeve 138 which is in communication with the conduit. One side of the ink bag 111 is fixedly connected with an ink jet 112 which is matched with the matching sleeve 138. The ink is sprayed out through the ink jet 112, guided out through the conduit and flows through the conveying pipe 136, and is uniformly sprayed out through the several ink outlets 137, so as to realize the effect of ink supplementing at multiple angles.

[0029] Reference Figures 1-4 The printing placement table 11 is fixedly connected with a lifting rod 113, and the printing plate 13 is slidably connected on the lifting rod 113. The longitudinal frame plate 12 is fixedly connected with a longitudinal cylinder 122, and the piston rod of the longitudinal cylinder 122 is fixedly connected with the surface of the printing plate 13, so as to drive the printing plate 13 to adjust the height, thereby cooperating with the printing process and improving the printing effect.

[0030] The working principle of the device is as follows: when silk printing of multiple paperboards is performed, the paperboard is first positioned and fixed on the surface of the printing placement table 11, a certain amount of ink is filled into the printing groove 131, the printing linear module 23 and the cylinder structure are started, the squeegee 21 is lowered to the surface of the ink to spread the ink, at this time, the bottom surface of the printing plate 13 contacts the surface of the paper shell to print the ink on the surface of the paperboard, then the printing plate 13 is lifted away from the surface of the paperboard under the action of the longitudinal cylinder 122, the squeegee 21 is retracted under the action of the cylinder structure, the ink return plate 22 is contacted with one side of the ink spreading state under the action of the cylinder structure, the printing linear module 23 is started again in the reverse direction to push the ink back to the initial state, waiting for the next printing, when the ink is pushed back, the pressing rod 33 slides in the pressing sliding groove 32 and is downwardly displaced after a horizontal displacement part distance, which drives the lifting plate 34 to move downwardly, thereby driving the pressing block 35 to move towards the surface of the ink capsule 111, when the pressing block 35 moves to the lowest point, the top surface of the ink capsule 111 is pressed and the ink is pressed into the conduit, under the action of the pressure, the ink is sprayed from each ink outlet 137 through the transportation pipe 136 to supplement the ink in the pressing groove, and the silk printing of multiple paperboards is performed in a reciprocating cycle, when the ink is not needed to be supplemented or the ink in the ink capsule 111 is exhausted, the adjusting cylinder 133 is started to move the ink capsule 111 downwardly to be collected into the containing groove 132, the pressing plate 31 is not pressed to the ink capsule 111 when it is pressed, so that the process of supplementing the ink is avoided, thereby the silk printing process is completed and the ink supplementing requirement can be met.

[0031] The above examples are used to further illustrate the present application, but the present application is not limited to these specific embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be understood as being within the protection scope of the present application.

Claims

1. A screen printing machine capable of automatically and uniformly replenishing ink, characterized by: The utility model provides a printing device, including rack base (1), be provided with printing placement mesa (11) on rack base (1), one side of printing placement mesa (11) is fixedly connected with longitudinal rack plate (12), slidingly connected with printing plate (13) on longitudinal rack plate (12), be provided with printing groove (131) on printing plate (13), slidingly connected with printing assembly (2) on rack plate, printing assembly (2) includes slidingly connected squeegee (21) and ink return plate (22), squeegee (21) and ink return plate (22) all are towards the bottom surface of printing groove (131), printing assembly (2) still includes printing straight line module (23), slidingly connected with printing head (231) on printing straight line module (23), squeegee (21) and ink return plate (22) all are slidingly connected on printing head (231), the bottom of printing head (231) is fixedly provided with pressing assembly (3), pressing assembly (3) includes pressing plate (31), be provided with '' S ” type pressing slide groove (32) on pressing plate (31), rotatingly connected with pressing rod (33) in pressing slide groove (32), the other end of pressing rod (33) is rotatingly connected with lifting plate (34), one side of lifting plate (34) is fixedly provided with pressing block (35), printing placement mesa (11) is fixedly connected with ink sac (111), ink sac (111) is placed in the just below of pressing block (35).

2. The screen printing machine capable of automatically and uniformly replenishing ink according to claim 1, wherein: The pressing assembly (3) further includes a positioning block (36) fixedly connected to one side of the lifting plate (34), the positioning block (36) is fixedly connected above the pressing block (35), one side of the lifting plate (34) extends a sliding rod (341), the longitudinal rack plate (12) is provided with a vertical sliding groove (121) for the sliding rod (341) to slide.

3. The screen printing machine capable of automatically and uniformly replenishing ink according to claim 1, wherein: The surface of the printing plate (13) is provided with a containing groove (132), the ink sac (111) is slidingly connected in the containing groove (132), the bottom surface of the containing groove (132) is fixedly connected with an adjusting cylinder (133), the piston rod of the adjusting cylinder (133) penetrates through the bottom surface of the containing groove (132) and is fixedly connected with the bottom surface of the ink sac (111).

4. The screen printing machine capable of automatically and uniformly replenishing ink according to claim 1, wherein: A pipeline placement groove (134) is formed on the printing plate (13), a rotating rod (135) is rotatably connected in the pipeline placement groove (134), a conduit is arranged in the rotating rod (135), a transport pipe (136) is fixedly connected in the pipeline placement groove (134) and is connected with the conduit, ink outlets (137) are formed in the side wall of the printing groove (131) and are in communication with the middle parts of the transport pipe (136).

5. The screen printing machine capable of automatically and uniformly replenishing ink according to claim 4, characterized in that: One end of the rotating rod (135) is fixedly connected with a matching sleeve (138), the matching sleeve (138) is in communication with the conduit, one side of the ink sac (111) is fixedly connected with an ink spout (112), the matching sleeve (138) is matched with the ink spout (112).

6. The screen printing machine capable of automatically and uniformly replenishing ink according to claim 1, wherein: The printing placement table top (11) is fixedly connected with a lifting rod (113), the printing plate (13) is slidingly connected on the lifting rod (113), the longitudinal rack plate (12) is fixedly connected with a longitudinal cylinder (122), and the piston rod of the longitudinal cylinder (122) is fixedly connected with the surface of the printing plate (13).

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