Round scraper device for printing machine

Abstract

The utility model discloses a circular scraper device for a printing machine, which comprises a fixed top plate, a scraper blade and a scraper blade, the base is assembled at the bottom of the fixed top plate, a stepped positioning table is arranged on one side of the base, and a first positioning groove and a second positioning groove are formed in the positioning table from top to bottom; the scraping plate and the clamping plate on one side of the top are spliced on the second positioning groove and the first positioning groove respectively, a base plate is filled between the scraping plate and the second positioning groove, and the clamping plate is assembled on the base through a first fastener; the tin blocking piece is arranged on the side face of the base, and the inner side of the tin blocking piece abuts against the side face of the scraper. The scraper device can solve the problem that when an existing scraper device of the printing machine is used, a scraper plate is prone to deformation, so that the scraping uniformity and the subsequent machining quality of products are affected.

Description

Technical Field

[0001] This utility model relates to the field of printing press technology, specifically a circular doctor blade device for printing presses. Background Technology

[0002] Printing machines are a wide range of equipment. When printing on workpieces, a squeegee structure is needed to assist in evenly scraping the material onto the surface of the workpiece. Traditional squeegee devices have thin and soft squeegees, which causes deformation at different angles when processing workpieces, thus affecting the uniformity of scraping and the subsequent processing quality of the product. Utility Model Content

[0003] The purpose of this utility model is to provide a circular doctor blade device for printing machines, in order to solve the problem that the doctor blade of the existing printing machine is prone to deformation during use, which affects the uniformity of scraping and the subsequent processing quality of the product.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a circular doctor blade device for a printing press, comprising:

[0005] A fixed top plate, which is installed inside the printing press;

[0006] The base is assembled at the bottom of the fixed top plate, and a stepped positioning platform is provided on one side of the base. The positioning platform is provided with a first positioning groove and a second positioning groove from top to bottom.

[0007] The scraper and the clamping plate on the top side are respectively assembled on the second positioning groove and the first positioning groove. The scraper and the second positioning groove are filled with a pad. The clamping plate is assembled on the base by the first fastener.

[0008] A solder baffle is disposed on the side of the base, and its inner side abuts against the side of the scraper.

[0009] As a further description of the above technical solution:

[0010] The groove at the bottom of the fixed top plate fits into the trapezoidal boss at the top of the base. The second fastener passes through the mounting hole on the fixed top plate and is fixed to the mounting hole on the trapezoidal boss. The second fastener is a bolt.

[0011] As a further description of the above technical solution:

[0012] The scraper has an arc-shaped scraping surface on its bottom side.

[0013] As a further description of the above technical solution:

[0014] The scraper and the clamping plate are an integral structure, or the scraper and the clamping plate are independent prefabricated parts, and the clamping plate and the second positioning groove clamp and position the scraper.

[0015] As a further description of the above technical solution:

[0016] The first fastener is a pin or bolt that passes through the mounting hole of the clamping plate and is positioned on the mounting hole of the base.

[0017] As a further description of the above technical solution:

[0018] A stud extends from the side of the base, the stud passing through the waist-shaped hole of the solder shield, and the end of the fastening knob extends into the waist-shaped hole, where a screw hole is screwed into the stud for positioning.

[0019] In summary, by adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art:

[0020] This utility model's circular squeegee device for printing presses allows for convenient detachable assembly of squeegees and blades of different thicknesses and sizes via a base, clamping plate, and pad. Combined with an adjustable tin baffle, it provides ample support and positioning for the squeegee, preventing deformation that could affect printing and squeegee quality and efficiency. It also blocks the printed material, preventing it from extending outwards and contaminating undesignated printing areas, thus improving printing efficiency and quality. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of a circular doctor blade device for a printing press.

[0023] Figure 2 This is a cross-sectional view of a circular doctor blade device for a printing press.

[0024] Legend:

[0025] 1. Fixed top plate; 2. Base; 3. First positioning groove; 4. Second positioning groove; 5. Scraper; 6. Clamping plate; 7. First fastener; 8. Solder baffle; 9. Second fastener; 10. Stud; 11. Waist-shaped hole; 12. Fastening knob. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] Please see Figure 1-2 This utility model provides a technical solution: a circular doctor blade device for a printing press, comprising:

[0029] Fixed top plate 1, which is installed inside the printing press;

[0030] The base 2 is assembled at the bottom of the fixed top plate 1, and a stepped positioning platform is provided on one side of the base 2. The positioning platform is provided with a first positioning groove 3 and a second positioning groove 4 from top to bottom.

[0031] The scraper 5 and the clamping plate 6 on the top side are respectively assembled on the second positioning groove 4 and the first positioning groove 3. The scraper 5 and the second positioning groove 4 are filled with a pad. The clamping plate 6 is assembled on the base 2 by the first fastener 7. Thus, the gap between the scraper 5 and the second positioning groove 4 of different thicknesses is filled with matching pads to support the scraper 5 and prevent it from deforming under force.

[0032] The tin-blocking sheet 8 is arranged on the side of the base 2, and its inner side abuts against the side of the scraper 5.

[0033] The groove at the bottom of the fixed top plate 1 fits into the trapezoidal boss at the top of the base 2. The second fastener 9 passes through the mounting hole on the fixed top plate 1 and is fixed to the mounting hole on the trapezoidal boss. The second fastener 9 is a bolt.

[0034] The bottom side of the scraper 5 is provided with an arc scraping surface to improve the structural strength of the lower end of the scraper 5, the printing scraping efficiency, and to prevent the scraper 5 from deforming.

[0035] The scraper 5 and the clamping plate 6 are an integral structure, or the scraper 5 and the clamping plate 6 are independent prefabricated parts, and the clamping plate 6 and the second positioning groove 4 clamp and position the scraper 5. The above two manufacturing and assembly structures of the scraper 5 can further improve the ease of disassembly and assembly and the installation stability of the scraper 5.

[0036] The first fastener 7 is a pin or bolt, which passes through the mounting hole of the clamping plate 6 and is positioned on the mounting hole of the base 2.

[0037] A stud 10 extends from the side of the base 2, passing through the oblong hole 11 of the solder baffle 8. The end of the fastening knob 12 extends into the oblong hole 11, and its screw hole is screwed into the stud 10 for positioning. The solder baffle 8 extends below the squeegee 5. Through the above structural design, the relative position of the solder baffle 8 and the squeegee 5 can be adjusted to regulate the distance between their bottom surfaces, thereby improving the printing quality and efficiency of the squeegee 5.

[0038] The assembly process of a circular scraper device for a printing machine according to this embodiment includes: fixing the top plate 1 to the base 2 and fixing it with the second fastener 9; selecting a scraper 5 of the required thickness and size and assembling it with the clamping plate 6 on the corresponding positioning groove of the positioning table, and positioning it structurally with the first fastener 7; fixing the top plate 1 to be assembled in the printing machine so that the bottom surface of the scraper 5 is located at a certain height above the printing platform or the surface of the printed object, the bottom surface of the solder baffle 8 abuts against the surface of the printing platform or the printed object, and the stud 10 passes through the oblong hole 11 and is screwed into the stud 10 by tightening the fastening knob 12, so as to realize the abutment positioning of the solder baffle 8 with the base 2 and the side of the scraper 5.

[0039] In summary, due to the adoption of the above technical solution, the circular doctor blade device for printing presses in this embodiment has the following advantages compared with the prior art:

[0040] This utility model's circular squeegee device for printing presses allows for convenient detachable assembly of squeegees and blades of different thicknesses and sizes via a base, clamping plate, and pad. Combined with an adjustable tin baffle, it provides ample support and positioning for the squeegee, preventing deformation that could affect printing and squeegee quality and efficiency. It also blocks the printed material, preventing it from extending outwards and contaminating undesignated printing areas, thus improving printing efficiency and quality.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A circular doctor blade device for a printing press, characterized in that, include: A fixed top plate, which is installed inside the printing press; The base is assembled at the bottom of the fixed top plate, and a stepped positioning platform is provided on one side of the base. The positioning platform is provided with a first positioning groove and a second positioning groove from top to bottom. The scraper and the clamping plate on the top side are respectively assembled on the second positioning groove and the first positioning groove. The scraper and the second positioning groove are filled with a pad. The clamping plate is assembled on the base by the first fastener. A solder baffle is disposed on the side of the base, and its inner side abuts against the side of the scraper.

2. The circular doctor blade device for a printing press according to claim 1, characterized in that, The groove at the bottom of the fixed top plate fits into the trapezoidal boss at the top of the base. The second fastener passes through the mounting hole on the fixed top plate and is fixed to the mounting hole on the trapezoidal boss. The second fastener is a bolt.

3. The circular doctor blade device for a printing press according to claim 1, characterized in that, The scraper has an arc-shaped scraping surface on its bottom side.

4. The circular doctor blade device for a printing press according to claim 1, characterized in that, The scraper and the clamping plate are an integral structure, or the scraper and the clamping plate are independent prefabricated parts, and the clamping plate and the second positioning groove clamp and position the scraper.

5. A circular doctor blade device for a printing press according to claim 1, characterized in that, The first fastener is a pin or bolt that passes through the mounting hole of the clamp and is positioned on the mounting hole of the base.

6. A circular doctor blade device for a printing press according to claim 1, characterized in that, A stud extends from the side of the base, the stud passing through the waist-shaped hole of the solder shield, and the end of the fastening knob extends into the waist-shaped hole, where a screw hole is screwed into the stud for positioning.

Images