Poking device for micro concave roller of printing machine

Abstract

The utility model relates to the technical field of printing machines, and discloses a printing machine micro-concave roller shifting device which comprises a fixed base and a micro-concave roller, bosses are arranged at the two ends of the surface of the upper end of the fixed base, installation cavities are formed in the bosses, and shifting adjusting assemblies are arranged between the interiors of the installation cavities and the two bosses. A mounting support is arranged at the upper end of the shifting adjusting assembly, and the micro-concave roller is rotatably arranged at the upper end of the inner side of the mounting support. According to the printing machine micro-concave roller shifting device, the shifting adjusting assembly is arranged, a handle is rotated, a first gear can be effectively driven to rotate, a gear block can be shifted to rotate and move through rotation of the first gear, then the gear block drives a mounting support and a micro-concave roller to rotate synchronously in the rotating process, the position of the micro-concave roller is effectively adjusted, operation is simple, and practicability is high. Time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, in particular to a micro-concave roller shifting device for a printing machine. Background Art

[0002] The micro-concave roller of a printing press is a roller relative to the anilox roller. Its surface has tiny concave and convex patterns, so it is also called a "micro-concave and convex roller". The roller surface of the micro-concave roller is engraved with holes, and the size of these holes is used to control the amount of glue transferred from the rubber disc.

[0003] During the installation of the micro-concave roller of a printing press, generally, a mounting bracket is fixed first, and then the micro-concave roller is installed on the bracket. After the existing micro-concave roller bracket is fixed and installed, the position of the micro-concave roller is relatively determined. When the position of the micro-concave roller bracket is inaccurate, it is easy to cause the micro-concave roller to be non-parallel with its adjacent rollers after installation, and the position of the micro-concave roller cannot be adjusted, affecting the printing effect. Therefore, it is necessary to provide a micro-concave roller shifting device for a printing press to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a micro-concave roller shifting device for a printing press, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: a printing press micro-concave roller shifting device, comprising:

[0006] A fixed base, wherein bosses are provided at both ends of the upper end surface of the fixed base;

[0007] A micro-concave roller, wherein the micro-concave roller is arranged above the fixed base;

[0008] The boss has an installation cavity inside, a toggle adjustment component is arranged between the installation cavity and the two bosses, a mounting bracket is arranged at the upper end of the toggle adjustment component, and the micro-concave roller is rotatably arranged at the upper end of the inner side of the mounting bracket;

[0009] The toggle adjustment assembly includes a tooth block, two of which are provided, and the two tooth blocks are respectively arranged on the inner sides of the two bosses.

[0010] Preferably, the toggle adjustment assembly further includes a first gear, a second gear, a handle and a fastening nut, and the first gear and the second gear are rotatably disposed inside the mounting cavities of the two bosses respectively.

[0011] Preferably, a convex shaft is fixedly provided at the center of the upper end surface of the first gear and the second gear, and the convex shaft at the upper end of the first gear passes through the upper wall of the installation cavity and is fixedly connected to the handle.

[0012] Preferably, the upper end of the convex shaft of the second gear passes through the upper wall of another mounting cavity and is provided with an external thread, and the convex shaft of the second gear is threadedly connected to the fastening nut via the external thread.

[0013] Preferably, the centers of the two bosses on the sides close to each other are provided with openings, the racks on the sides close to each other of the first gear and the second gear extend through the openings to the outside, and the first gear and the second gear are respectively meshed with two gear blocks.

[0014] Preferably, the lower end of the mounting bracket is fixedly connected to the tooth block, a connecting plate is provided between the two tooth blocks, a limiting axis is provided at the center of the upper end surface of the fixed base, and an axial hole that cooperates with the limiting axis is opened at the center of the connecting plate.

[0015] Preferably, a fixing hole is provided on the upper surface of the fixing base and located outside the boss.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The micro-concave roller toggle device of the printing press is provided with a toggle adjustment component. By turning the handle, the first gear can be effectively driven to rotate. By rotating the first gear, the tooth block can be toggled to rotate and move, and then the mounting bracket and the micro-concave roller are driven to rotate synchronously during the rotation of the tooth block, so as to achieve effective adjustment of the position of the micro-concave roller, which is simple to operate, saving time and effort.

[0018] 2. The micro-concave roller shifting device of the printing press, when the position of the micro-concave roller is adjusted, the position of the second gear is fixed by rotating the fastening nut, the rotation of the tooth block is restricted, and the position of the micro-concave roller is stable. The fixing hole is provided to facilitate the installation of the fixed base to ensure the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the overall structural schematic diagrams of the micro-concave roller shifting device of the printing press of the utility model;

[0020] Figure 2 This is the second schematic diagram of the overall structure of the micro-concave roller shifting device of the printing press of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the fixed base of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the tooth block and the connecting plate of the utility model;

[0023] Figure 5 It is a partial structural schematic diagram of the fixed base of the utility model.

[0024] In the figure: 1. fixed base; 101. fixing hole; 2. boss; 201. mounting cavity; 202. opening; 3. toggle adjustment assembly; 301. first gear; 302. second gear; 303. handle; 304. fastening nut; 305. connecting plate; 306. tooth block; 307. shaft hole; 4. limiting shaft; 5. mounting bracket; 6. micro-concave roller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 , a printing press micro-concave roller shifting device, comprising:

[0027] A fixed base 1, with bosses 2 provided at both ends of the upper surface of the fixed base 1;

[0028] A micro-concave roller 6, which is arranged above the fixed base 1;

[0029] The boss 2 has an installation cavity 201 formed inside, a toggle adjustment component 3 is provided between the installation cavity 201 and the two bosses 2, a mounting bracket 5 is provided at the upper end of the toggle adjustment component 3, and a micro-concave roller 6 is rotatably provided at the inner upper end of the mounting bracket 5;

[0030] The toggle adjustment assembly 3 includes a tooth block 306 . Two tooth blocks 306 are provided. The two tooth blocks 306 are respectively arranged on the inner sides of the two bosses 2 .

[0031] Among them; the toggle adjustment component 3 also includes a first gear 301, a second gear 302, a handle 303 and a fastening nut 304. The first gear 301 and the second gear 302 are rotatably arranged inside the mounting cavities 201 of the two bosses 2 respectively. By opening the mounting cavity 201 inside the boss 2, it is convenient to install the first gear 301 and the second gear 302.

[0032] Among them, a convex shaft is fixedly set at the center of the upper end surface of the first gear 301 and the second gear 302, the convex shaft at the upper end of the first gear 301 passes through the upper wall of the installation cavity 201 and is fixedly connected to the handle 303, and an opening 202 is opened in the center of the side where the two bosses 2 are close to each other, and the racks on the side where the first gear 301 and the second gear 302 are close to each other extend to the outside through the opening 202, and the first gear 301 and the second gear 302 are respectively meshed with two tooth blocks 306, and by rotating the handle 303, the first gear 301 can be effectively driven to rotate, and by rotating the first gear 301, the tooth block 306 can be driven to rotate and move, and then the installation bracket 5 and the micro-concave roller 6 are driven to rotate synchronously during the rotation of the tooth block 306, thereby realizing effective adjustment of the position of the micro-concave roller 6.

[0033] Among them; the upper end of the convex shaft of the second gear 302 passes through the upper wall of another installation cavity 201 and is provided with an external thread. The convex shaft of the second gear 302 is threadedly connected with the fastening nut 304 through the external thread. When the position adjustment of the micro-concave roller 6 is completed, the position of the second gear 302 is fixed by rotating the fastening nut 304 to limit the rotation of the tooth block 306.

[0034] Among them; the lower end of the mounting bracket 5 is fixedly connected to the tooth block 306, a connecting plate 305 is arranged between the two tooth blocks 306, a limiting axis 4 is arranged at the center of the upper end surface of the fixed base 1, and an axial hole 307 cooperating with the limiting axis 4 is opened at the center of the connecting plate 305. By setting the limiting axis 4, the position of the connecting plate 305 can be limited to prevent the connecting plate 305 from detaching from the fixed base 1.

[0035] Among them, a fixing hole 101 is provided on the upper surface of the fixed base 1 and located on the outer side of the boss 2. By providing the fixing hole 101, it is easy to install and fix the fixed base 1 to ensure the overall stability.

[0036] Working principle: by opening an installation cavity 201 inside the boss 2, it is convenient to install the first gear 301 and the second gear 302. By setting a limit axis 4, the position of the connecting plate 305 can be limited to prevent the connecting plate 305 from being separated from the fixed base 1. By turning the handle 303, the first gear 301 can be effectively driven to rotate. By rotating the first gear 301, the tooth block 306 can be driven to rotate and move, and then the installation bracket 5 and the micro-concave roller 6 are driven to rotate synchronously during the rotation of the tooth block 306, thereby realizing effective adjustment of the position of the micro-concave roller 6.

[0037] Further, after the position adjustment of the micro-concave roller 6 is completed, the position of the second gear 302 is fixed by rotating the fastening nut 304 to limit the rotation of the tooth block 306. The fixing hole 101 is provided to facilitate the installation and fixing of the fixed base 1 to ensure the overall stability.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A printing press micro-concave roller shifting device, comprising: A fixed base (1), wherein bosses (2) are provided at both ends of the upper surface of the fixed base (1); A micro-concave roller (6), wherein the micro-concave roller (6) is arranged above the fixed base (1); The invention is characterized in that a mounting cavity (201) is provided inside the boss (2), a toggle adjustment component (3) is provided between the inside of the mounting cavity (201) and the two bosses (2), a mounting bracket (5) is provided at the upper end of the toggle adjustment component (3), and the micro-concave roller (6) is rotatably provided at the upper end of the inner side of the mounting bracket (5); The toggle adjustment component (3) comprises a tooth block (306), two of which are provided, and the two tooth blocks (306) are respectively arranged on the inner sides of two bosses (2).

2. A printing press micro-concave roller shifting device according to claim 1, characterized in that: The toggle adjustment assembly (3) further comprises a first gear (301), a second gear (302), a handle (303) and a fastening nut (304); the first gear (301) and the second gear (302) are rotatably disposed inside the mounting cavities (201) of the two bosses (2).

3. The printing press micro-concave roller shifting device according to claim 2, characterized in that: A convex shaft is fixedly provided at the center of the upper end surface of the first gear (301) and the second gear (302), and the convex shaft at the upper end of the first gear (301) passes through the upper wall of the installation cavity (201) and is fixedly connected to the handle (303).

4. A printing press micro-concave roller shifting device according to claim 3, characterized in that: The upper end of the convex shaft of the second gear (302) passes through the upper wall of the other installation cavity (201) and is provided with an external thread, and the convex shaft of the second gear (302) is threadedly connected to the fastening nut (304) via the external thread.

5. The printing press micro-concave roller shifting device according to claim 4, characterized in that: An opening (202) is provided at the center of the side where the two bosses (2) are close to each other, and the racks on the side where the first gear (301) and the second gear (302) are close to each other extend through the opening (202) to the outside, and the first gear (301) and the second gear (302) are respectively meshed with two gear blocks (306).

6. The printing press micro-concave roller shifting device according to claim 1, characterized in that: The lower end of the mounting bracket (5) is fixedly connected to the tooth block (306), a connecting plate (305) is provided between the two tooth blocks (306), a limiting axis (4) is provided at the center of the upper end surface of the fixed base (1), and an axis hole (307) cooperating with the limiting axis (4) is opened at the center of the connecting plate (305).

7. The printing press micro-concave roller shifting device according to claim 1, characterized in that: A fixing hole (101) is provided on the upper surface of the fixing base (1) and is located outside the boss (2).

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