Cleaning device for silk-screen printing

Abstract

The cleaning device comprises a base, the top of the base is fixedly connected with two installation frames, a printing silk screen is arranged between one sides of the two installation frames, the two ends of the printing silk screen are both rotationally connected with connecting blocks, and the outer sides of the connecting blocks are connected with the interiors of the installation frames in a sliding mode. One side of one connecting block is fixedly connected with a connecting plate, a first motor is arranged at the top of the connecting plate, an output shaft of the first motor and the outer side of the printing silk screen are fixedly connected with belt wheels, belts are arranged in the belt wheels, telescopic rods are arranged at the top of the mounting frame, and the bottoms of the telescopic rods are fixedly connected with the bottoms of the connecting blocks; and two cleaning brushes are arranged at the bottom of the printing silk screen. According to the cleaning device for silk-screen printing, the cleaning brush is driven by the connecting assembly to reciprocate on the surface of the printing silk screen, the appearance of the printing silk screen can be effectively protected through the cleaning brush, and it can be guaranteed that all areas of the silk screen can be evenly cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to screen printing equipment technical field especially, it relates to a screen printing is with cleaning device. BACKGROUND

[0002] The screen printing machine is the machine that uses silk screen printing plate to print, belongs to one kind of printing machine, and the screen printing machine is the machine or equipment general term for producing printed matter, and the screen printing machine belongs to the representative printing equipment in hole printing machine, and the material for making silk screen can be nylon silk, copper wire, steel wire or stainless steel wire besides silk, and can be divided into plane silk screen printing machine, curved surface silk screen printing machine, rotary silk screen printing machine and silk screen printing for printing circuit board in circuit formation process, pattern printing, solder mask printing, numbering printing and via printing, and solder paste printing and external (box, nameplate, operation panel) printing in mounting process.

[0003] The patent document with the application number CN211054693U discloses an automatic cleaning device for a screen printing machine, which comprises a fixed plate, characterized in that: a pair of side plates are slidably installed on the fixed plate, the side plates are driven to move back and forth by a first driving device, a group of guide rods are fixedly connected between the left and right side plates, an active plate is slidably connected to each of the upper and lower guide rods, the rear ends of the upper and lower active plates are fixedly connected by a connecting plate, the active plates are driven to move left and right by a second driving device, and the active plates are provided with a row of spray heads and blow heads.

[0004] The spray heads and blow heads of the device clean the printing screen from the upper and lower sides, and can also clean the front and back surfaces of the printing screen. However, the cleaning effect of the spray heads and blow heads may vary due to water pressure, airflow direction, or nozzle design, resulting in uneven cleaning. Moreover, the wastewater after cleaning may contain cleaning agents, pigments, chemicals, and other pollutants, which can pollute the soil, water, and air if directly discharged without treatment, thereby harming the ecological environment. To address the above problems, we have developed a screen printing cleaning device. UTILITY MODEL CONTENTS

[0005] The utility model discloses a screen printing cleaning device that improves the existing structure and deficiencies to achieve better practical value.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of cleaning device for screen printing, including base, the top of the base is fixedly connected with two mounting brackets, and the printing screen is arranged between the side of two mounting brackets, the both ends of the printing screen are rotatably connected with connecting block, the outside of the connecting block is slidably connected with the inside of mounting bracket, the side of one of the connecting block is fixedly connected with connecting plate, the top of the connecting plate is provided with first motor, the output shaft of the first motor is fixedly connected with pulley on the outside of printing screen, the inside of the pulley is provided with belt, the top of the mounting bracket is provided with telescopic rod, the bottom of the telescopic rod is fixedly connected with the bottom of connecting block, the bottom of the printing screen is provided with two cleaning brushes, the top of the base is provided with displacement assembly, and the displacement assembly is used to drive cleaning brush to move.

[0008] In a preferred scheme, the displacement assembly includes a groove, the groove is equidistantly opened on the top of the base, the inside of the groove is respectively provided with a lead screw and a slide rod, and the inside of the groove is equidistantly provided with mounting blocks, the inside of one of the mounting blocks is threadedly connected with the outside of the lead screw, and the inside of the other mounting block is rotatably connected with the outside of the slide rod.

[0009] In a preferred scheme, one end of the lead screw extends to the outside of the base and is fixedly connected with a rotating handle.

[0010] In a preferred scheme, the inside of the cleaning brush is threadedly connected with the outside of the threaded rod, and the inside of the cleaning brush is slidably connected with the first connecting rod and the second connecting rod, respectively.

[0011] In a preferred scheme, the bottom of the cleaning brush is slidably connected with a limiting rod, and the outside of the limiting rod is provided with two springs.

[0012] In a preferred scheme, one side of one of the mounting blocks is provided with a second motor, the outside of the output shaft of the second motor is fixedly connected with a first gear, the outside of the threaded rod is fixedly connected with a second gear, and the first gear is engaged with the second gear.

[0013] In a preferred scheme, the telescopic rod, the first motor and the second motor are electrically connected with an external controller.

[0014] The cleaning device for screen printing has the following advantages:

[0015] By using the connecting assembly, the cleaning brushes can clean the surface of the printing screen from the outside of the printing screen, and the two cleaning brushes can move back and forth on the surface of the printing screen, and meanwhile, the first motor can be started to drive the printing screen to rotate through the action of the pulley and the belt, thereby improving the cleaning effect on the printing screen, and the cleaning brushes can not only protect the surface of the printing screen, but also ensure that each part of the screen can be uniformly cleaned, avoid the cleaning effect difference caused by water pressure, airflow direction or nozzle design, effectively solve the use of cleaning agent and generated wastewater, and reduce the risk of pollution. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional schematic view of a cleaning device for screen printing is provided.

[0017] Figure 2 A first exploded schematic view of a cleaning device for screen printing is provided.

[0018] Figure 3 A second exploded schematic view of a cleaning device for screen printing is provided.

[0019] Figure 4 A third exploded schematic view of a cleaning device for screen printing is provided.

[0020] In the drawings: 1, base; 2, mounting frame; 3, printing screen; 4, connecting block; 5, telescopic rod; 6, connecting plate; 7, first motor; 8, pulley; 9, belt; 10, groove; 11, lead screw; 12, slide rod; 13, mounting block; 14, handle; 15, threaded rod; 16, first connecting rod; 17, second connecting rod; 18, cleaning brush; 19, limiting rod; 20, spring; 21, second motor; 22, first gear; 23, second gear. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and indicated in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0022] The utility model discloses a screen printing cleaning device which is mainly used in scenes of screen printing equipment.

[0023] Reference Figures 1 to 4 , a cleaning device for screen printing, comprising: a base 1, two mounting frames 2 are fixedly connected to the top of the base 1, a printing screen 3 is arranged between one side of the two mounting frames 2, both ends of the printing screen 3 are rotatably connected to connecting blocks 4, the outer side of the connecting block 4 is slidably connected to the inner side of the mounting frame 2, one side of one connecting block 4 is fixedly connected to a connecting plate 6, a first motor 7 is arranged on the top of the connecting plate 6, the output shaft of the first motor 7 and the outer side of the printing screen 3 are fixedly connected with a pulley 8, a belt 9 is arranged inside the pulley 8, a telescopic rod 5 is arranged on the top of the mounting frame 2, the bottom of the telescopic rod 5 is fixedly connected to the bottom of the connecting block 4, two cleaning brushes 18 are arranged at the bottom of the printing screen 3, and a displacement component is provided on the top of the base 1, which is used to drive the cleaning brush 18 to move;

[0024] The displacement assembly includes a groove 10, which is equidistantly provided on the top of the base 1. A screw rod 11 and a slide rod 12 are respectively provided inside the groove 10. Mounting blocks 13 are equidistantly provided inside the groove 10. The interior of one mounting block 13 is threadedly connected to the outer side of the screw rod 11, and the interior of the other mounting block 13 is rotatably connected to the outer side of the slide rod 12.

[0025] One end of the screw rod 11 extends to the outside of the base 1 and is fixedly connected to the handle 14;

[0026] A threaded rod 15, a first connecting rod 16, and a second connecting rod 17 are respectively provided between one side of the mounting block 13. The inner portion of a cleaning brush 18 is threadedly connected to the outer portion of the threaded rod 15. The inner portion of the cleaning brush 18 is slidably connected to the first connecting rod 16 and the second connecting rod 17.

[0027] The bottom of the cleaning brush 18 is slidably connected to a limit rod 19, and two springs 20 are provided on the outer side of the limit rod 19;

[0028] A second motor 21 is provided on one side of one of the mounting blocks 13 , a first gear 22 is fixedly connected to the outer side of the output shaft of the second motor 21 , a second gear 23 is fixedly connected to the outer side of the threaded rod 15 , and the first gear 22 and the second gear 23 are meshed.

[0029] In the above technical solution, it is taken into account that the cleaning effects of the nozzle and the blower head may vary due to water pressure, airflow direction or nozzle design, resulting in uneven cleaning. At the same time, the wastewater after cleaning may contain cleaning agents, pigments, chemicals and other pollutants. Direct discharge without treatment will cause pollution to the soil, water and air, and endanger the ecological environment. In order to solve such problems, the specific operations are as follows: when it is necessary to clean the surface of the printing screen 3, first start the telescopic rod 5 to extend downward, thereby driving the connecting block 4 and the printing screen 3 to move downward, so that the printing screen 3 enters the middle of the cleaning brush 18, and then use the connecting assembly to rotate the handle 14 to drive the screw 11 to rotate, so that the mounting block 13 moves, and the two cleaning brushes 18 are close to each other, wrapping the printing screen 3 from the outside. , then start the second motor 21 to drive the first gear 22 to rotate, and use the meshing relationship between the first gear 22 and the second gear 23 to further drive the second gear 23 and the threaded rod 15 to rotate, and then use the limiting effect of the limit rod 19 to make the two cleaning brushes 18 move back and forth on the surface of the printing screen 3 to clean the surface of the printing screen 3. At the same time, the first motor 7 can be started, and the pulley 8 and the belt 9 can be used to drive the printing screen 3 to rotate, thereby improving the cleaning effect of the printing screen 3. The cleaning brush 18 can not only protect the surface of the printing screen 3, but also ensure that every part of the screen can be evenly cleaned, avoiding the differences in cleaning effects caused by water pressure, airflow direction or nozzle design, effectively solving the use of cleaning agents and the wastewater generated, and reducing the risk of pollution.

[0030] Reference Figures 1 to 4 In a preferred embodiment, the telescopic rod 5, the first motor 7 and the second motor 21 are all electrically connected to an external controller;

[0031] Working principle: when using, when the surface of the printing screen 3 needs to be cleaned, first start the telescopic rod 5 to extend downward, so as to drive the connecting block 4 and the printing screen 3 to move downward, so that the printing screen 3 enters the middle of the cleaning brush 18, then use the connecting assembly, rotate the handle 14 to drive the screw rod 11 to rotate, so that the mounting block 13 moves, let two cleaning brushes 18 close to each other, from the outside of the printing screen 3, then start the second motor 21 to drive the first gear 22 to rotate, use the meshing relationship of the first gear 22 and the second gear 23, further drive the second gear 23 and the threaded rod 15 to rotate, then use the limiting action of the limiting rod 19, so that the two cleaning brushes 18 move back and forth on the surface of the printing screen 3, clean the surface of the printing screen 3, at the same time, you can start the first motor 7, use the belt pulley 8 and the belt 9 to drive the printing screen 3 to rotate, so as to improve the cleaning effect of the printing screen 3, after cleaning, reverse rotate the handle 14 to open the cleaning brush 18, then start the telescopic rod 5 to move the printing screen 3 to the original position, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0032] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical scheme and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A cleaning device for screen printing, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to two mounting frames (2), a printing screen (3) is arranged between one side of the two mounting frames (2), both ends of the printing screen (3) are rotatably connected to a connecting block (4), the outer side of the connecting block (4) is slidably connected to the inside of the mounting frame (2), one side of one of the connecting blocks (4) is fixedly connected to a connecting plate (6), a first motor (7) is arranged on the top of the connecting plate (6), the output shaft of the first motor (7) and the outer side of the printing screen (3) are fixedly connected to a pulley (8), a belt (9) is arranged inside the pulley (8), a telescopic rod (5) is arranged on the top of the mounting frame (2), the bottom of the telescopic rod (5) is fixedly connected to the bottom of the connecting block (4), two cleaning brushes (18) are arranged on the bottom of the printing screen (3), and a displacement component is arranged on the top of the base (1), the displacement component is used to drive the cleaning brush (18) to move.

2. A screen printing cleaning device according to claim 1, characterized in that: The displacement assembly comprises a groove (10), wherein the groove (10) is equidistantly provided on the top of the base (1), wherein a screw rod (11) and a slide rod (12) are respectively provided inside the groove (10), and wherein mounting blocks (13) are equidistantly provided inside the groove (10), wherein the interior of one mounting block (13) is threadedly connected to the outer side of the screw rod (11), and the interior of the other mounting block (13) is rotatably connected to the outer side of the slide rod (12).

3. A screen printing cleaning device according to claim 2, characterized in that: One end of the screw rod (11) extends to the outside of the base (1) and is fixedly connected to a turning handle (14).

4. A screen printing cleaning device according to claim 3, characterized in that: A threaded rod (15), a first connecting rod (16) and a second connecting rod (17) are respectively provided between one side of the mounting block (13); the interior of the cleaning brush (18) is threadedly connected to the outer side of the threaded rod (15); and the interior of the cleaning brush (18) is slidably connected to the first connecting rod (16) and the second connecting rod (17).

5. A screen printing cleaning device according to claim 4, characterized in that: The bottom of the cleaning brush (18) is slidably connected to a limiting rod (19), and two springs (20) are provided on the outer side of the limiting rod (19).

6. A screen printing cleaning device according to claim 5, characterized in that: A second motor (21) is provided on one side of one of the mounting blocks (13); a first gear (22) is fixedly connected to the outer side of an output shaft of the second motor (21); a second gear (23) is fixedly connected to the outer side of the threaded rod (15); and the first gear (22) and the second gear (23) are meshed.

7. The screen printing cleaning device according to claim 1, characterized in that: The telescopic rod (5), the first motor (7) and the second motor (21) are all electrically connected to an external controller.

Images