Printing machine plate roller with fixed color register mark position

Abstract

The utility model relates to the technical field of printing machine plate rollers, and discloses a printing machine plate roller with a fixed color register mark position, which comprises a plate roller main body, a key groove is arranged on the end face of the plate roller main body, a color register mark number is carved on the plate face of the plate roller main body, and the key groove and the color register mark number can play a role in setting an initial position. And the initial position is unified, and color register can be performed after the plate roller main body is mounted, so that the color register time after the plate roller main body is mounted on a machine can be shortened, the waste of color register materials is reduced, and the waste of color register labor force is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of printing press plate rollers, in particular to a printing press plate roller with a fixed color registration mark position. Background Art

[0002] The gravure printing process involves filling a recessed plate with ink and then pressing the ink onto paper or other materials to create an image. For multi-color printing, each color requires a separate plate, which is then pressed in sequence. The register mark plays a crucial role in gravure printing. It is a marking system used to detect the position of the paper during the printing process, ensuring that each color is accurately registered during multi-color printing.

[0003] After the printing plate roller is installed, the position of the color mark is not fixed in the circumferential direction of the plate. It is necessary to make a proof first, take the first color as the standard, measure the distance between the mark on the sample except the mark on the first plate roller and the mark of the first color, and then manually adjust it on the machine according to the value to make all the mark cross distances zero to complete the color registration, which increases the machine adjustment time and wastes materials and labor. Utility Model Content

[0004] The utility model aims to provide a printing press plate roller with a fixed color registration mark position, which solves the problem that after the printing plate roller is installed, the position of the color registration mark is not fixed in the plate circumferential direction, and it is necessary to make a proof first, take the first color as the standard, measure the distance between the mark on the sample except the first plate roller and the mark of the first color, and then manually adjust it on the machine according to the value so that all the mark cross distances are zero to complete the color registration, which increases the machine adjustment time and wastes materials and labor.

[0005] An embodiment of the present application provides a printing press plate roller with a fixed color mark position, comprising a plate roller body, an end face of the plate roller body having a key groove, and a plate surface of the plate roller body having color mark numbers engraved thereon.

[0006] By adopting the above technical solution, the starting position can be set by setting the keyway and the color registration mark number, and the starting position can be unified. The color registration can be carried out after the plate roller body is installed, which can reduce the color registration machine time after the plate roller body is installed, reduce the waste of color registration materials, and reduce the waste of color registration labor.

[0007] Optionally, the color marking number corresponds to the position of the keyway.

[0008] By adopting the above technical solution, the color registration mark number corresponds to the position of the key groove, which facilitates the unification of the color registration starting position on the plate roller body.

[0009] Optionally, the distance between the color marking number and the keyway is fixed.

[0010] By adopting the above technical solution, the distance between the color registration mark and the key groove is fixed, which further facilitates the unification of the color registration starting position on the plate roller body.

[0011] Optionally, the inner wall of the plate roller body is hollow.

[0012] By adopting the above technical solution, the inner wall of the plate roller body is hollowed, which facilitates the installation of the plate roller body on the machine.

[0013] Optionally, the plate roller body is made of metal, and the plate surface of the plate roller body is smooth.

[0014] By adopting the above technical solution, the wear resistance and corrosion resistance of the plate roller body can be improved by using a metal material as the material of the plate roller body.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The technical solution of this application can set the starting position through the setting of key slots and color registration marks, unify the starting position, and can perform color registration after the plate roller body is installed, thereby reducing the color registration machine time after the plate roller body is installed, reducing the waste of color registration materials, and reducing the waste of color registration labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0018] Figure 1 This is a front view schematic diagram of a printing press plate roller with a fixed color mark position according to the present invention;

[0019] Figure 2 The utility model is a schematic axial view of a printing press plate roller with a fixed color mark position.

[0020] In the figure: 1. Plate roller body; 2. Keyway; 3. Color mark number. DETAILED DESCRIPTION

[0021] See also Figure 1-2 The utility model provides a technical solution: a printing press plate roller with a fixed color mark position, comprising a plate roller body 1, a key groove 2 is opened on the end face of the plate roller body 1, a color mark number 3 is engraved on the plate surface of the plate roller body 1, the material of the plate roller body 1 is metal, and the plate surface of the plate roller body 1 is smooth.

[0022] In the technical solution of the present invention, the key slot 2 and the color registration mark 3 are set to set the starting position, unify the starting position, and the color registration can be carried out after the plate roller main body 1 is installed, which can reduce the color registration machine time after the plate roller main body 1 is installed on the machine, reduce the waste of color registration materials, and reduce the waste of color registration labor.

[0023] In addition, the use of metal as the material of the plate roller body 1 can improve the wear resistance and corrosion resistance of the plate roller body 1.

[0024] In the technical solution of the present utility model, Figure 2 As shown, the color mark number 3 corresponds to the position of the key slot 2. By making the color mark number 3 correspond to the position of the key slot 2, the color starting position on the plate roller body 1 is unified. The distance between the color mark number 3 and the key slot 2 is fixed. By making the distance between the color mark number 3 and the key slot 2 fixed, the color starting position on the plate roller body 1 is further unified.

[0025] In the technical solution of the present utility model, Figure 2 As shown, the inner wall of the plate roller body 1 is hollow, which facilitates the installation of the plate roller body 1 on the machine.

[0026] When in use, the starting position can be set by firstly setting the key slot 2 and the color registration mark number 3, and the starting position can be unified. After the plate roller body 1 is installed, the color registration can be carried out, which can reduce the color registration time after the plate roller body 1 is installed on the machine, reduce the waste of color registration materials, and reduce the waste of color registration labor.

Claims

1. A printing press plate roller with a fixed color mark position, characterized in that: The invention comprises a plate roller main body (1), the end surface of the plate roller main body (1) is provided with a key groove (2), and the plate surface of the plate roller main body (1) is engraved with a color registration mark (3).

2. A printing press plate roller with a fixed color mark position according to claim 1, characterized in that: The color marking number (3) corresponds to the position of the keyway (2).

3. A printing press plate roller with a fixed color mark position according to claim 2, characterized in that: The distance between the color marking number (3) and the keyway (2) is fixed.

4. The printing press plate roller with fixed color mark position according to claim 1, characterized in that: The inner wall of the plate roller body (1) is hollow.

5. The printing press plate roller with fixed color mark position according to claim 1, characterized in that: The plate roller main body (1) is made of metal, and the plate surface of the plate roller main body (1) is smooth.

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