CN216993491U - Fluid coating and scraping recovery device for screen printing plate - Google Patents
Fluid coating and scraping recovery device for screen printing plate Download PDFInfo
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- CN216993491U CN216993491U CN202220694639.4U CN202220694639U CN216993491U CN 216993491 U CN216993491 U CN 216993491U CN 202220694639 U CN202220694639 U CN 202220694639U CN 216993491 U CN216993491 U CN 216993491U
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Abstract
The utility model relates to the technical field of screen printing plate making, in particular to a fluid coating and scraping recovery device for a screen printing plate, wherein the screen printing plate comprises a screen frame and a screen; the fluid scraping and recycling device comprises a scraper and a baffle; the screen plate is provided with a front end and a tail end; the coating scraper comprises a coating scraping part and a groove, and the coating scraping part is matched with the silk screen; when the coating and scraping plate moves along the silk screen, the excess materials on the screen plate flow into the groove; the baffle is connected to the tail end of the screen printing plate and used for blocking the excess materials on the screen printing plate and enabling the excess materials to flow back into the groove of the coating scraper. The coating and scraping part of the coating and scraping device is contacted with the screen and scrapes from the front end to the tail end of the screen, a certain coating and scraping speed is achieved in the coating and scraping process, part of redundant fluid is collected into the groove, and part of redundant fluid is collected to the tail end of the screen; at the tail end of the screen printing plate, the baffle can prevent collected fluid from overflowing out of the screen printing plate, and the fluid flows back to the groove under the blocking of the baffle, so that the fluid is recycled.
Description
Technical Field
The utility model relates to the technical field of screen printing plate making, in particular to a fluid scraping and recycling device for a screen printing plate.
Background
The colored glaze glass is formed by covering a pattern screen on the surface of glass, uniformly and fully coating ink, and sintering at high temperature. At present, the colored glaze glass is usually manufactured by adopting a traditional preparation method, namely a screen printing processing technology; the latest colored glaze glass processing technology is a digital printing technology, generally adopts an ink-jet printing technology to form the color-coated colored glaze glass, but has the problems of high processing cost and low processing efficiency. The core of the screen printing processing technology is a screen printing plate manufacturing technology, which directly influences the formation of a colored glaze pattern in the later printing process.
The manufacturing process of the pattern screen printing plate generally comprises the steps of preparing a screen, stretching the screen on a screen frame, uniformly coating photosensitive resist, laying a film pattern, carrying out exposure treatment, and washing to remove unmodified photosensitive resist. In the process of coating the photosensitive resist on the screen printing plate, the conventional method for coating the photosensitive resist is to place the photosensitive resist in a sizing device, and in the process of manual sizing, the sizing device slowly moves forwards through a slight inclination angle, so that the photosensitive resist is coated on the surface of the screen.
In the traditional plate making process, the inclination angle of the sizing device is manually controlled, so that local over-thickness or over-thickness is easily caused in the coating process, the coating of the glue surface is uneven, and meanwhile, if the screen surface glue film is too thin, the printing resistance strength in the later printing process is reduced; uneven coating can lead to more burrs at the edge of the pattern and rougher surface of the silk-screen printing pattern in the silk-screen printing process.
In the traditional screen printing plate manufacturing process, when a flat surface is coated and scraped with fluid photosensitive glue to the tail end of the screen printing plate, a certain recovery problem exists, the common method is that the fluid is accumulated at the tail end of the flat surface after the coating and scraping operation is finished, the photosensitive glue is manually recovered by a scraper knife, the efficiency is low, and the photosensitive glue cannot be completely recovered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: aiming at the problem that the used fluid is difficult to recover in the screen manufacturing process in the prior art, the fluid scraping and recovering device for the screen is provided, and comprises a scraper with a groove and a baffle at the tail end of the screen, wherein the scraper concentrates the redundant fluid to the tail end of the screen, and the fluid flows back to the groove of the scraper under the blocking of the baffle at the tail end of the screen, so that the recovery of the fluid is realized.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a fluid coating scraping and recycling device for a screen printing plate comprises a screen frame and a screen; comprises a coating scraper and a baffle; the screen plate is provided with a front end and a tail end; the coating scraper comprises a coating scraping part and a groove, and the coating scraping part is matched with the silk screen; when the coating and scraping plate moves along the silk screen, the excess materials on the screen plate flow into the groove; the baffle is connected to the tail end of the screen printing plate and used for blocking the excess materials on the screen printing plate and enabling the excess materials to flow back into the groove of the coating scraper.
The fluid is a flowable colloid such as a photosensitive paste or ink applied to a screen. The coating and scraping part of the coating and scraping device is contacted with the screen and scrapes from the front end to the tail end of the screen, a certain coating and scraping speed is achieved in the coating and scraping process, part of redundant fluid is collected into the groove, and part of redundant fluid is collected to the tail end of the screen; at the tail end of the screen printing plate, the baffle can prevent collected fluid from overflowing out of the screen printing plate, and the fluid flows back to the groove under the blocking of the baffle, so that the fluid is recycled.
As a preferable aspect of the present invention, the squeegee includes a squeegee blade having a U-shaped cross section, and a side edge of the squeegee blade in an extending direction is the squeegee portion; the two ends of the coating scraper are respectively provided with an end plate, and the coating scraper and the end plates form the grooves. The coating scraper with the U-shaped cross section has the first side serving as a coating scraping part and the other side capable of blocking the overflow of the fluid collected into the groove.
As a preferable aspect of the present invention, the coating blade includes a first side edge and a second side edge, and the height of the first side edge is greater than the height of the second side edge. The higher first side edge is used as the coating scraping part, so that the state of fluid in the groove can be conveniently observed during operation, and the moving speed of the coating scraping plate can be conveniently regulated and controlled.
As a preferable embodiment of the present invention, the baffle plate and the screen plate are detachably connected. After the coating is finished, the film is laid on a silk screen, and the operation of vacuumizing is carried out. After the baffle is removed, the screen is in the state of a common screen, and subsequent processes such as vacuumizing are not influenced.
As a preferable scheme of the utility model, two ends of the baffle are respectively provided with a blocking piece. The baffle plates are arranged to prevent fluid from overflowing from the two ends of the baffle plates.
In a preferred embodiment of the present invention, the shutter has a blocking surface, one side of the blocking surface is in contact with the screen, and one side of the blocking surface, which is away from the screen, is deflected toward the front end of the screen.
In a preferred embodiment of the present invention, the blocking surface has a C-shaped cross section. The blocking surface is in good contact with the coating and scraping part, so that the fluid can flow back into the groove conveniently, and the overflow is avoided.
As a preferable scheme of the present invention, the baffle has an assembling surface, and the assembling surface is adapted to a screen frame of the screen; the assembly surface is equipped with the assembly post, the screen frame is equipped with the pilot hole, the assembly post with the pilot hole adaptation. Through the setting of pilot hole and assembly column, the equipment is conveniently dismantled.
As a preferable scheme of the present invention, the fluid scraping and recycling device further includes a screen support, and the screen support is detachably connected to a terminal of the screen.
As a preferable scheme of the utility model, after the screen printing plate and the screen printing plate support are assembled, an included angle between the screen printing plate and the horizontal direction is alpha, and alpha is more than or equal to 30 degrees and less than or equal to 45 degrees. The inclination angle of the screen printing plate can be conveniently adjusted by using the screen printing plate support, and when the tail end of the screen printing plate is inclined upwards, fluid is favorably collected into the groove of the coating scraper.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the fluid coating and scraping recovery device for the screen printing plate, the coating and scraping part of the coating and scraping device is in contact with the screen, the fluid is scraped from the front end to the tail end of the screen printing plate, a certain coating and scraping speed is achieved in the coating and scraping process, part of redundant fluid is collected into the groove, and part of redundant fluid is collected to the tail end of the screen printing plate; at the tail end of the screen printing plate, the baffle can prevent collected fluid from overflowing out of the screen printing plate, and the fluid flows back to the groove under the blocking of the baffle, so that the fluid is recycled.
2. According to the fluid scraping and recycling device for the screen printing plate, the scraper with the U-shaped section is used, the end plates are arranged at the two ends of the scraper to form the groove, one side edge serves as a scraping part, and the other side edge can prevent fluid from overflowing; the baffle that sets up at half tone end is the C shape to the front end deflection, and both ends set up and block the piece, have also played the effect that prevents that the fluid from overflowing from half tone end top and both ends. The scraper and the baffle are matched to recover redundant fluid.
3. According to the fluid scraping and recycling device for the screen printing plate, the screen printing plate support is arranged, so that the tail end of the screen printing plate is in an upward inclined state of 30-45 degrees, and fluid can be collected into the groove of the scraper conveniently.
Drawings
Fig. 1 is a schematic structural diagram of a screen printing plate according to embodiment 1 of the present invention.
Fig. 2 is a schematic top view of a screen printing plate according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a baffle plate of embodiment 1 of the present invention.
Fig. 4 is a schematic view of the structure of the squeegee according to embodiment 1 of the utility model.
Fig. 5 is an assembled structural schematic view of a shutter and a screen in embodiment 1 of the present invention.
FIG. 6 is a schematic view showing the usage state of the fluid scraping recycling device in example 1 of the present invention.
An icon: 1-screen printing plate; 11-a screen frame; 12-a wire mesh; 13-assembly holes; 2-a baffle plate; 21-assembly surface; 22-barrier face; 23-assembling the column; 3-a scraper; 31-a squeegee section; 32-grooves; 33-coating a scraper; 34-an end plate; 4-screen support.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
A fluid squeegee recovery apparatus for a screen comprising a frame 11 and a screen 12, as shown in fig. 1, 2, 3 and 4; the scraping recovery device comprises a scraper 3 and a baffle 2; the screen 1 has a front end and a tail end; the squeegee 3 includes a squeegee portion 31 and a groove 32, the squeegee portion 31 being fitted to the screen 12; when the plate of the coating and scraping part 31 moves along the silk screen 12, the excess material on the screen plate flows into the groove 32; the baffle 2 is connected to the tail end of the screen printing plate and used for blocking the excess materials on the screen printing plate and enabling the excess materials to flow back to the groove 32 of the coating scraper 3.
In a more specific configuration, as shown in fig. 4, the coating scraper 3 includes a coating scraper 33 having a U-shaped cross section, and a side edge of the coating scraper 33 in an extending direction serves as the coating portion 31; the two ends of the coating scraper 33 are respectively provided with an end plate 34, and the coating scraper 33 and the end plate 34 form the groove 32. The coating blade 33 having a U-shaped cross section has a first side serving as the coating portion 31 and the other side capable of blocking the overflow of the fluid collected in the groove. The coating scraper comprises a first side edge and a second side edge, and the height of the first side edge is larger than that of the second side edge. The first side edge and the second side edge are both sides in the extension direction. The left side is higher than the right side in fig. 4. The higher first side edge is used as the coating and scraping part 31, so that the state of fluid in the groove can be conveniently observed during operation, and the moving speed of the coating and scraping plate can be conveniently regulated and controlled. During processing, a single piece of steel or aluminum plate is bent into a U-shape, and end plates 34 are welded or bonded to both ends of the plate 33. preferably, a flexible wiper strip, such as a rubber strip, is provided on the wiper portion 31 to prevent scratching of the screen 12.
The baffle 2 and the screen printing plate 1 are detachably connected. After assembly, as shown in fig. 5, the blocking plate 2 has a blocking surface 22, one side of the blocking surface 22 contacts with the screen, and one side of the blocking surface 22 away from the screen deflects toward the front end of the screen. The blocking surface 22 is C-shaped in cross-section. The blocking surface 22 is in good contact with the scraping portion 31, so that the fluid can flow back into the groove 32 to avoid overflowing. The baffle 2 is provided with an assembling surface 21, and the assembling surface 21 is matched with the screen frame 11 of the screen; the assembly surface 21 is provided with an assembly column 23, the net frame 11 is provided with an assembly hole 13, and the assembly column 23 is matched with the assembly hole 13. In the present embodiment, three fitting holes 13 and three fitting posts 23 are provided. In each pair of assembly holes and assembly columns, the positions of the assembly holes and the assembly columns can be interchanged. Through the arrangement of the assembly holes 13 and the assembly columns 23, disassembly and assembly are facilitated. In other schemes, two ends of the baffle 2 may be respectively provided with a blocking piece. The baffle plates are arranged to prevent fluid from overflowing from the two ends of the baffle plates.
In a further aspect, as shown in fig. 6, the fluid scraping and recycling apparatus further includes a screen support 4, and the screen support 4 is detachably connected to the end of the screen 1. After the screen printing plate 1 and the screen printing plate support 4 are assembled, the included angle between the screen printing plate 1 and the horizontal direction is alpha, and alpha is more than or equal to 30 degrees and less than or equal to 45 degrees. The inclination angle of the screen printing plate 1 can be conveniently adjusted by using the screen printing plate support 4, and when the tail end of the screen printing plate 1 is inclined upwards, fluid is favorably collected into the groove of the coating scraper.
The use of the above device will be described by taking the application to the plate making process of colored glaze glass as an example.
During operation, the tail end (the running tail end of the scraping photosensitive paste) of the screen printing plate 1 is fixed on the screen printing plate support 4, so that the tail end of the screen printing plate 1 is supported by the screen printing plate support 4 to form an inclined state that the front end is close to the ground and the tail end is suspended. Wherein the inclination angle of the screen printing plate is 30-45 degrees. Connecting the C-shaped baffle 2 and the tail end of the screen printing plate in a seamless mode through a combination of an assembling column 23 and an assembling hole 13, and enabling the coating scraper 3 with the U-shaped groove to move from the front end of the screen printing plate to the tail end of the screen printing plate, wherein the arrow direction in the figure 6 is shown; i.e. the position of the C-shaped recovery baffle, the upper end of the baffle 2 automatically shifts the fluid photosensitive resist back to the U-shaped groove 32 of the squeegee 3, thereby completing the whole process flow. In the process of coating the photosensitive resist on the clean and dry screen surface, the photosensitive resist can be uniformly coated on the screen, and after coating, the photosensitive resist excess material is automatically recovered to form an integrated solution.
The baffle 2 is then removed. Laying a film on a silk screen, sticking the film on the silk screen along the edge of the film through a sealant tape to form a sealed space between the film and the silk screen, arranging a through hole for inserting an exhaust tube in the blank space of the film, inserting the exhaust tube connected with a vacuum pump into the through hole and sealing, then starting the vacuum pump, vacuumizing the sealed space to attach the film and the silk screen, and finally exposing the attached film and the silk screen to obtain the colored glaze glass screen printing plate.
By the aid of the scraping recovery device, the problem of recovery of residual materials of the photosensitive glue at the tail end of scraping is solved, the state of fluid in the scraping device is conveniently observed, the scraping speed is controlled to be 8-15 s/m at a constant speed, the problem of uniform coating of the photosensitive glue can be solved, the yield of screen printing plate manufacturing is improved, and the printing resistance strength of the screen printing plate is enhanced. The device can ensure that the coating and scraping and the recovery operation are continuously completed, and effectively improves the production efficiency of plate making and the quality of screen printing plate manufacturing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A fluid scraping and recycling device for a screen printing plate, wherein the screen printing plate (1) comprises a screen frame (11) and a screen (12); the device is characterized by comprising a coating scraper (3) and a baffle (2);
the screen (1) is provided with a front end and a tail end;
the scraper (3) comprises a scraping part (31) and a groove (32), and the scraping part (31) is matched with the silk screen (12); when the plate of the coating and scraping part (31) moves along the silk screen (12), the excess materials on the screen printing plate (1) flow into the groove (32);
the baffle (2) is connected to the tail end of the screen printing plate (1) and used for blocking the excess materials on the screen printing plate and enabling the excess materials to flow back into the groove (32) of the coating scraper (3).
2. The fluid scraping recovery apparatus for screen printing plates according to claim 1, wherein the scraper (3) comprises a scraping blade (33) having a U-shaped cross section, and the side of the scraping blade (33) in the extending direction serves as the scraping section (31);
scribble scraper blade (33) both ends and be equipped with end plate (34) respectively, scribble scraper blade (33) with end plate (34) form recess (32).
3. The fluid squeegee recovery apparatus of claim 2, wherein the squeegee blade (33) comprises a first side and a second side, the first side having a height greater than the second side.
4. The fluid scraping recovery apparatus for a screen printing plate of claim 1, wherein the baffle (2) is detachably connected with the screen printing plate (1).
5. The fluid scraping recovery apparatus for a screen according to claim 4, wherein the shutter (2) has a blocking surface (22), one side of the blocking surface (22) is in contact with the screen, and one side of the blocking surface (22) away from the screen (1) is deflected towards the front end of the screen (1).
6. The fluid doctor recovery device for screen printing plates of claim 5, characterised in that the blocking surface (22) is C-shaped in cross-section.
7. The fluid scraping recovery device for the screen printing plate as claimed in claim 4, wherein two ends of the baffle plate (2) are respectively provided with a blocking piece.
8. The fluid scraping recovery device for a screen printing plate of claim 4, wherein the baffle plate (2) is provided with a mounting surface (21), and the mounting surface (21) is matched with a screen frame (11) of the screen printing plate; the assembly surface (21) is provided with an assembly column (23), the net frame (11) is provided with an assembly hole (13), and the assembly column (23) is matched with the assembly hole (13).
9. The fluid scraping recovery device for the screen printing plate of any one of claims 1 to 8, further comprising a screen printing plate support (4), wherein the screen printing plate support (4) is detachably connected with the tail end of the screen printing plate (1).
10. The fluid scraping recovery device for a screen printing plate of claim 9, wherein the angle between the screen printing plate (1) and the horizontal direction after being assembled with the screen printing plate support (4) is alpha, and alpha is more than or equal to 30 degrees and less than or equal to 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220694639.4U CN216993491U (en) | 2022-03-28 | 2022-03-28 | Fluid coating and scraping recovery device for screen printing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220694639.4U CN216993491U (en) | 2022-03-28 | 2022-03-28 | Fluid coating and scraping recovery device for screen printing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216993491U true CN216993491U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220694639.4U Active CN216993491U (en) | 2022-03-28 | 2022-03-28 | Fluid coating and scraping recovery device for screen printing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216993491U (en) |
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- 2022-03-28 CN CN202220694639.4U patent/CN216993491U/en active Active
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