Printing dot structure based on area segmentation screening

Abstract

The utility model relates to the technical field of printing, and discloses a printing dot structure based on area segmentation screening, the printing dot structure comprises a base and a baffle, an upper frame is rotatably arranged on one side of the upper end of the base through a hinge, a sliding groove is formed in the upper frame, and a first screen plate and a second screen plate are slidably arranged in the sliding groove; one side of the baffle is fixedly connected with a plurality of first springs arranged in a linear array, and the ends, away from the baffle, of the first springs are fixedly connected with a contact plate. According to the printing dot structure based on area segmentation screening, the first screen plate and the second screen plate are slidably arranged in the upper frame through the sliding grooves, the positions and the combination modes of the screen plates are allowed to be flexibly adjusted according to printing requirements, area segmentation screening and independent sliding of the screen plates are achieved, independent replacement or adjustment is facilitated, and the printing dot structure adapts to different printing patterns and area requirements; the adaptability of printing dots is improved, the color rendition capacity is improved, and the high-quality printing effect is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the printing technical field, in particular to a printing dot structure based on area segmentation screening. BACKGROUND

[0002] In the printing process, a continuous tone image must be converted into a halftone image by screening, wherein the middle part of the screen plate is provided with different size dots, and the dot is the smallest unit for expressing the level of the printed image, and the shape, angle and size of the dot will directly affect the printing quality.

[0003] However, the existing printing dot structure is difficult to adapt to the dot requirements of different areas, and since different areas have different requirements for dots, the traditional screening technology is difficult to realize targeted processing in different areas of images or text, resulting in insufficient light and shade contrast of the image and unnatural color transition. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the present application provides a printing dot structure based on area segmentation screening, which has the advantages of area segmentation screening and solves the problem that the existing printing dot structure is difficult to adapt to the dot requirements of different areas, and since different areas have different requirements for dots, the traditional screening technology is difficult to realize targeted processing in different areas of images or text, resulting in insufficient light and shade contrast of the image and unnatural color transition.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a printing dot structure based on area segmentation screening, comprising a base and a baffle, a upper frame is rotatably arranged on one side of the upper end of the base through a hinge, a sliding groove is formed in the interior of the upper frame, a first screen plate and a second screen plate are respectively slidably arranged in the sliding groove, threaded holes are formed in both ends of one side of the upper frame, a plurality of first springs are fixedly connected to one side of the baffle in a linear array, a contact plate is fixedly connected to the ends of the plurality of first springs away from the baffle, and fixed bolts are slidably arranged on both sides of the interior of the baffle.

[0006] Through the above scheme, the first screen plate and the second screen plate are slidably arranged in the interior of the upper frame through the sliding groove, allowing the position and combination mode of the screen plate to be flexibly adjusted according to the printing requirements, realizing area segmentation screening, and the screen plate independently slides, facilitating individual replacement or adjustment, adapting to different printing patterns and area requirements, the upper frame is rotatably connected to the base through the hinge, facilitating quick opening and closing for placing printed matter, and the baffle is connected to the contact plate through the first spring, allowing the contact plate to be elastically pressed against the screen plate, ensuring the stability of the screen plate in the sliding groove and preventing displacement during the printing process. The device can flexibly adjust the screen plate, improve the adaptability of the printing dot, increase the color reproduction capability, and realize high-quality printing effect.

[0007] Further, the upper frame surface is fixedly connected with a handle.

[0008] Through the above scheme, the handle provides a force point for the operator to lift the upper frame, improving the operation efficiency.

[0009] Further, the base is fixedly connected with a plurality of second springs arranged in a rectangular array inside, a plurality of second springs are fixedly connected with a placing plate at the upper end, two sides of the upper end of the base are provided with receiving grooves, one side of the inside of the two receiving grooves is fixedly connected with a first rotating seat, two sides of the bottom end of the upper frame are fixedly connected with two second rotating seats arranged in a mirror image, and a hydraulic jack is rotatably connected between the two first rotating seats and the second rotating seats.

[0010] Through the above scheme, the base is provided with elastic support by a plurality of second springs arranged in a rectangular array inside, so that the placing plate can adaptively adjust the height according to the thickness or unevenness of the printed matter, ensuring that the printed matter is always close to the first screen plate and the second screen plate during printing, avoiding printing blur, missing printing or screen point deformation caused by gaps, the second spring arranged in a rectangular array uniformly distributes the pressure in the entire printing area, reducing the problem of excessive or insufficient local pressure, ensuring the ink amount of each printing point is consistent, thereby improving the printing precision and quality, the upper frame and the base are connected by the hydraulic jack, realizing smooth and labor-saving opening and closing action, the hydraulic jack provides stable support force to prevent the upper frame from accidentally closing during operation, ensuring the safety of the operator.

[0011] Further, the first screen plate is provided with a first dovetail groove at the upper end of one side, the first screen plate is fixedly connected with a first dovetail tenon at the bottom end of one side, the second screen plate is fixedly connected with a second dovetail groove at the bottom end of one side, the first screen plate is provided with a second dovetail tenon at the upper end of one side, the first dovetail tenon is slidingly arranged in the inside of the second dovetail groove, and the second dovetail tenon is slidingly arranged in the inside of the first dovetail tenon.

[0012] Through the above scheme, the first screen plate and the second screen plate are slidingly fitted by the first dovetail tenon and the second dovetail groove, the second dovetail tenon and the first dovetail groove, realizing splicing, the assembly and disassembly of the screen plate can be quickly completed, and the position of the first screen plate and the second screen plate is accurately aligned when splicing, avoiding printing deviation caused by misalignment.

[0013] Further, the baffle is fixedly arranged on one side of the upper frame, and one end of the two fixed bolts penetrating the baffle is threadedly arranged in the inside of the threaded hole.

[0014] Through the above scheme, the fixing bolt penetrates the baffle and is threadedly connected to the threaded hole, forming a rigid connection, ensuring firm combination of the baffle and the upper frame, preventing the baffle from loosening or falling off when under stress, and the bolt connection mode allowing quick installation and disassembly of the baffle by rotating the bolt, and thus facilitating disassembly of the first screen plate and the second screen plate.

[0015] Further, the contact plate is slidingly arranged in the sliding groove, and an end of the contact plate away from the first spring is in contact with one side of the second screen plate.

[0016] Through the above scheme, the contact plate slides in the sliding groove, avoiding deviation or shaking, and the contact plate is arranged to resist the first screen plate and the second screen plate, ensuring stability during printing.

[0017] Further, the placement plate is slidingly arranged in the base.

[0018] Through the above scheme, the placement plate is arranged to place the printed matter, and the printed matter can be directly placed on the placement plate and the upper cover is closed to fix the position of printing.

[0019] Further, the two hydraulic tappets are slidingly arranged in the receiving grooves.

[0020] Through the above scheme, the hydraulic tappets are slidingly received in the receiving grooves, so that the device maintains a compact structure in the closed state.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The printing screen dot structure based on regional division screening, the first screen plate and the second screen plate are slidingly arranged in the upper frame through the sliding groove, allowing flexible adjustment of the position and combination mode of the screen plate according to printing requirements, realizing regional division screening, the screen plate independently slides, facilitating individual replacement or adjustment, adapting to different printing patterns and regional requirements, the upper frame is rotatably connected to the base through the hinge, facilitating quick opening and closing, for placing the printed matter, the baffle is connected to the contact plate through the first spring, allowing the contact plate to elastically press the screen plate, ensuring the stability of the screen plate in the sliding groove, preventing displacement during printing, the device can flexibly adjust the screen plate, improving the adaptability of the printing screen dot, increasing the color reproduction capability, and realizing high-quality printing effect. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the structure of the present application;

[0024] Figure 2 It is a screen plate installation structure schematic view of the structure of the present application;

[0025] Figure 3 It is a baffle installation structure schematic view of the structure of the present application;

[0026] Figure 4 This is a cross-sectional view of the base of the structure in this application;

[0027] Figure 5 This is a schematic diagram of the upper frame opening structure of this application;

[0028] Figure 6 for Figure 2 Enlarged view of point A in the middle.

[0029] In the picture:

[0030] 1. Base; 2. Upper frame; 3. Slide groove; 4. First mesh plate; 401. First dovetail groove; 402. First dovetail tenon; 5. Second mesh plate; 501. Second dovetail groove; 502. Second dovetail tenon; 6. Threaded hole; 7. Baffle; 8. First spring; 9. Contact plate; 10. Fixing bolt; 11. Handle; 12. Second spring; 13. Placement plate; 14. Storage slot; 15. First rotating seat; 16. Second rotating seat; 17. Hydraulic push rod. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] Please see Figure 1 , Figure 2 and Figure 3 This embodiment of a printing halftone structure based on area segmentation includes a base 1 and a baffle 7. An upper frame 2 is rotatably mounted on one side of the upper end of the base 1 via a hinge. The upper frame 2 is rotatably connected to the base 1 via the hinge, facilitating quick opening and closing for placing printed materials. A groove 3 is provided inside the upper frame 2, and a first screen plate 4 and a second screen plate 5 are slidably mounted inside the groove 3. The first screen plate 4 and the second screen plate 5 are slidably mounted inside the upper frame 2 via the groove 3, allowing flexible adjustment of the screen plate position and combination according to printing needs, achieving area segmentation halftone. The screen plates slide independently, facilitating individual replacement or adjustment to adapt to different printing patterns and area requirements. Threaded holes 6 are provided at both ends of one side of the upper frame 2. Multiple first springs 8 arranged in a linear array are fixedly connected to one side of the baffle 7. A contact plate 9 is fixedly connected to the end of the multiple first springs 8 away from the baffle 7. The baffle 7 connects to the contact plate 9 via the first springs 8, enabling the contact plate 9 to elastically press the screen plate, ensuring the stability of the screen plate within the groove 3 and preventing displacement during printing. Fixing bolts 10 are slidably mounted on both sides inside the baffle 7.

[0033] Please refer to Figure 1 , Figure 4 and Figure 5 , the upper frame 2 is fixedly connected with a handle 11, which provides an operating point for the operator to lift the upper frame 2, improving the operating efficiency. The base 1 is fixedly connected with a plurality of second springs 12 arranged in a rectangular array inside. The upper end of the plurality of second springs 12 is fixedly connected with a placement plate 13. The upper end of the base 1 is provided with a receiving groove 14 on both sides. The first rotating seat 15 is fixedly connected to one side of the receiving groove 14. The bottom end of the upper frame 2 is fixedly connected with two second rotating seats 16 arranged in a mirror image. The hydraulic tappet 17 is rotatably connected between the two first rotating seats 15 and the second rotating seats 16. The base 1 is elastically supported by the plurality of second springs 12 arranged in a rectangular array, so that the placement plate 13 can be self-adapted to adjust the height according to the thickness or unevenness of the printed matter, ensuring that the printed matter is always close to the first screen plate 4 and the second screen plate 5 during printing, avoiding printing blur, missing printing or screen deformation caused by gap. The second spring 12 arranged in a rectangular array uniformly distributes the pressure in the entire printing area, reducing the problem of excessive or insufficient local pressure, ensuring the ink amount of each printing point is consistent, thereby improving the printing precision and quality. The upper frame 2 and the base 1 are connected by the hydraulic tappet 17, realizing smooth and labor-saving opening and closing action. The hydraulic tappet 17 provides stable support force to prevent the upper frame 2 from accidentally closing during operation, ensuring the safety of the operator.

[0034] Please refer to Figure 1 and Figure 6 , the first screen plate 4 is provided with a first dovetail groove 401 on one side of the upper end, and the first screen plate 4 is fixedly connected with a first dovetail 402 on one side of the bottom end. The second screen plate 5 is fixedly connected with a second dovetail groove 501 on one side of the bottom end. The first screen plate 4 is provided with a second dovetail 502 on one side of the upper end. The first dovetail 402 is slidingly arranged in the second dovetail groove 501. The second dovetail 502 is slidingly arranged in the first dovetail 402. The first screen plate 4 and the second screen plate 5 are slidingly fitted through the first dovetail 402 and the second dovetail groove 501, the second dovetail 502 and the first dovetail groove 401, realizing splicing, which can quickly complete the assembly and disassembly of the screen plate, and ensure that the first screen plate 4 and the second screen plate 5 are accurately aligned when splicing, avoiding printing deviation caused by misalignment.

[0035] Please refer to Figure 3 , Figure 4 and Figure 5The baffle 7 is fixedly arranged on one side of the upper frame 2, the two fixed bolts 10 are arranged in the threaded holes 6 in threaded mode, the fixed bolts 10 pass through the baffle 7 and are connected to the threaded holes 6 in threaded mode, forming a rigid connection, ensuring the firm combination of the baffle 7 and the upper frame 2, preventing the baffle 7 from loosening or falling off under stress, and the bolt connection mode allows the baffle 7 to be quickly installed and disassembled by rotating the bolt, so that the first mesh plate 4 and the second mesh plate 5 can be conveniently disassembled, the contact plate 9 is slidingly arranged in the sliding groove 3, the end of the contact plate 9 away from the first spring 8 is in contact with one side of the second mesh plate 5, the contact plate 9 slides in the sliding groove 3 to avoid deviation or shaking, and the contact plate 9 is arranged to resist the first mesh plate 4 and the second mesh plate 5, ensuring the stability during printing, the placement plate 13 is slidingly arranged in the base 1, the placement plate 13 is arranged to place printed matter, the printed matter can be directly placed on the placement plate 13 and the upper cover is closed to fix the position of printing, and the two hydraulic tappets 17 are slidingly arranged in the receiving groove 14.

[0036] In the embodiment, the first mesh plate 4 and the second mesh plate 5 are slidingly arranged in the upper frame 2 through the sliding groove 3, allowing the position and combination mode of the mesh plate to be flexibly adjusted according to printing requirements, realizing regional division screening, and the mesh plate independently slides, facilitating individual replacement or adjustment, adapting to different printing patterns and regional requirements, the upper frame 2 is rotationally connected to the base 1 through the hinge, facilitating quick opening and closing, and being used for placing printed matter, the baffle 7 is connected to the contact plate 9 through the first spring 8, so that the contact plate 9 can be elastically pressed against the mesh plate, ensuring the stability of the mesh plate in the sliding groove 3, and preventing displacement during the printing process, the device can flexibly adjust the mesh plate, improves the adaptability of the printing screen dots, increases the color reproduction capability, and realizes high-quality printing effect.

[0037] It should be noted that the apertures in the first mesh plate 4 and the second mesh plate 5 are different, and the mesh plate combination can be flexibly switched according to the printing pattern requirements, adapting to different printing requirements of different resolutions.

[0038] The working principle of the above embodiment is as follows:

[0039] First according to the printing requirements, through the sliding fitting of the first dovetail 402 and the second dovetail groove 501, the second dovetail 502 and the first dovetail groove 401, the first screen plate 4 and the second screen plate 5 are spliced, and the spliced first screen plate 4 and the second screen plate 5 are installed in the designated position of the upper frame 2 through the sliding groove 3, the baffle 7 is connected with the contact plate 9 through the first spring 8, the contact plate 9 is always attached to one side of the spliced screen plate, a uniform pressure is provided, displacement of the screen plate during printing is prevented, the fixing bolt 10 penetrates the baffle 7 and is threadedly connected to the threaded hole 6, the firm combination of the baffle 7 and the upper frame 2 is ensured, the hydraulic tappet 17 provides stable supporting force, assists the upper frame 2 to stably open and close, prevents accidental closing, ensures operation safety, the printed matter is placed on the upper end of the placing plate 13, the upper frame 2 is rotatably connected with the base 1 through the hinge, the printed matter is pressed and held after being closed, the placing plate 13 is connected with the base 1 through a plurality of second springs 12, the height of the placing plate 13 is self-adaptively adjusted according to the thickness or unevenness of the printed matter, the printed matter is ensured to be closely attached to the first screen plate 4 and the second screen plate 5, printing blur or dot deformation is avoided, the hydraulic tappet 17 is accommodated in the accommodation groove 14 during closing, the upper frame 2 can be attached to the upper end of the base 1, the printed matter is closely attached to the screen plate, and the printing effect is realized.

[0040] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0041] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A print dot structure based on zone division screening, comprising a base (1) and a barrier (7), characterized in that: The upper end of the base (1) is provided with an upper frame (2) on one side through a hinge, a sliding slot (3) is formed in the upper frame (2), a first mesh plate (4) and a second mesh plate (5) are slidably arranged in the sliding slot (3), threaded holes (6) are formed in the upper frame (2) on both ends of one side, a plurality of first springs (8) are fixedly connected to the baffle (7) on one side in a linear array, a contact plate (9) is fixedly connected to the ends of the plurality of first springs (8) away from the baffle (7), and fixed bolts (10) are slidably arranged in the baffle (7) on both sides.

2. The printing dot structure based on zone division screening according to claim 1, characterized in that: A handle (11) is fixedly connected to the surface of the upper frame (2).

3. The printing dot structure based on zone division screening according to claim 1, characterized in that: A plurality of second springs (12) are fixedly connected to the inside of the base (1) in a rectangular array, a placing plate (13) is fixedly connected to the upper end of the plurality of second springs (12), storage grooves (14) are formed in the upper end of the base (1) on both sides, first rotating seats (15) are fixedly connected to the inside of the two storage grooves (14) on one side, two second rotating seats (16) are fixedly connected to the bottom end of the upper frame (2) on one side in a mirror image distribution, and hydraulic tappets (17) are rotatably connected between the two first rotating seats (15) and the second rotating seats (16).

4. The printing dot structure based on zone division screening according to claim 1, characterized in that: A first dovetail groove (401) is formed in the upper end of one side of the first mesh plate (4), a first dovetail tenon (402) is fixedly connected to the bottom end of one side of the first mesh plate (4), a second dovetail groove (501) is fixedly connected to the bottom end of one side of the second mesh plate (5), a second dovetail tenon (502) is formed in the upper end of one side of the first mesh plate (4), the first dovetail tenon (402) is slidably arranged in the second dovetail groove (501), and the second dovetail tenon (502) is slidably arranged in the first dovetail tenon (402).

5. The print dot structure based on zone division screening according to claim 1, characterized in that: The baffle (7) is fixedly arranged on one side of the upper frame (2), and the ends of the two fixed bolts (10) penetrating the baffle (7) are threadedly arranged in the threaded holes (6).

6. The print dot structure based on zone division screening according to claim 1, characterized in that: The contact plate (9) is slidably arranged in the sliding slot (3), and the end of the contact plate (9) away from the first spring (8) is in contact with one side of the second mesh plate (5).

7. The printing dot structure based on zone division screening according to claim 3, characterized in that: The placing plate (13) is slidably arranged in the base (1).

8. The printing dot structure based on zone division screening according to claim 3, characterized in that: The two hydraulic tappets (17) are slidably arranged in the storage grooves (14).

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