Mechanism for eliminating axial force of anilox roller

Abstract

The utility model relates to the technical field of anilox rollers, in particular to a mechanism for eliminating axial force of an anilox roller, which comprises an air cylinder, a movable push plate is mounted at the output end of the air cylinder in a threaded manner, a fixed plate is mounted on the outer surface of a jacking shaft in a penetrating manner, and a net roller female head is fixedly inserted into the outer surface of one end of the jacking shaft. And a mesh roller male head is fixedly mounted on the outer surface of one end of the anilox roller, and the mesh roller male head is connected with the second screw in an inserted mode. According to the mechanism for eliminating the axial force of the anilox roller, the anilox roller is fixed into a printing machine through insertion connection of the net roller male head and the net roller female head, the movable push plate is pushed out through the air cylinder to move, the movable push plate can push the jacking shaft to move, the net roller female head and the net roller male head can be tightly attached, and therefore the axial force of the anilox roller is eliminated. And axial thrust is applied to the anilox roller, so that the anilox roller cannot axially move during rotary printing, printing errors during printing are reduced, and defective printing products are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anilox roll, specifically to a mechanism for eliminating the axial force of an anilox roll. BACKGROUND

[0002] Anilox roll is an indispensable tool in the process of printing, and is usually made of metal. In the process of printing, the anilox roll contacts the printing plate or substrate to enable the ink or coating to be uniformly transferred to the printing plate or substrate, thereby realizing the transfer of images or coating, and the anilox roll plays a role in transferring ink, controlling the amount of ink, improving printing accuracy, and enabling the ink to be evenly coated, thereby improving production efficiency and improving the quality of printing. However, when the anilox roll rotates for printing, the anilox roll will move back and forth along the axial direction, which will cause printing problems in the printed products and result in ghosting of the printed patterns, which cannot be used. SUMMARY

[0003] The utility model aims to provide a mechanism for eliminating the axial force of an anilox roll to solve the problem of poor printing caused by the easy movement of the anilox roll during operation.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mechanism for eliminating the axial force of an anilox roll, comprising a pneumatic cylinder, a movable push plate is threadedly installed on the output end of the pneumatic cylinder, a top shaft is rotatably installed on the outer surface of the movable push plate, an anilox roll cylinder is arranged on one side of the top shaft, a fixed plate is installed through the outer surface of the top shaft, and the fixed plate is slidably connected with the top shaft.

[0005] Preferably, a clamping and pushing mechanism is arranged between the anilox roll cylinder and the top shaft, the clamping and pushing mechanism comprises: a female anilox roll head is fixedly inserted into the outer surface of one end of the top shaft, a second screw is threadedly installed on the outer surface of the top shaft, and the second screw penetrates through the outer surface of the female anilox roll head, a male anilox roll head is fixedly installed on the outer surface of one end of the anilox roll cylinder, and the male anilox roll head is inserted into the second screw.

[0006] By the above technical scheme, the movable push plate can push the top shaft to move linearly by the pushing of the pneumatic cylinder, the second screw and the male anilox roll head can be engaged together, the second screw and the male anilox roll head can be easily separated, the anilox roll cylinder can be easily removed for maintenance, the anilox roll cylinder always bears the pushing force of the top shaft, and the anilox roll cylinder will not move back and forth during rotation to cause poor printing.

[0007] Preferably, a threaded hole is formed in the side surface of the pneumatic cylinder, and the pneumatic cylinder is fixedly installed on the outer surface of the printing machine through the threaded hole in the side surface.

[0008] Adopt above technical scheme, can convenient fixed installation in the outer surface of printing machine, and can replace the cylinder of different cylinder diameter conveniently.

[0009] Preferably, the outer surface of the fixed plate is provided with a first screw, and the outer surface of the first screw is provided with a positioning guide column, and the outer surface of the positioning guide column is attached to the outer surface of the fixed plate.

[0010] Adopt above technical scheme, through the first screw can be fixed installation in the side surface of fixed plate positioning guide column, and can be through the guide of positioning guide column makes the movable push plate when moving will not deviate position can stably move.

[0011] Preferably, the outer surface of the movable push plate is provided with an oil-free bushing, and the outer surface of the oil-free bushing is in sliding connection with the positioning guide column, and the positioning guide column and the oil-free bushing are concentrically designed.

[0012] Adopt above technical scheme, after the wear of the oil-free bushing, it can be conveniently replaced without replacing the movable push plate as a whole, so that the movable push plate can keep vertical when being pushed.

[0013] Preferably, a rotating screw mechanism is arranged between the movable push plate and the top driving shaft, so that the top driving shaft can rotate after being pushed out and moved, and the rotation is more stable.

[0014] Adopt above technical scheme, the top driving shaft can rotate together and more stably, so that the movable push plate can push the top driving shaft and the top driving shaft can rotate at the same time.

[0015] Preferably, the rotating screw mechanism comprises: a rotating bearing, which is clamped and installed in the interior of the movable push plate, and the side surface of the movable push plate is fixedly provided with an end cover, and the end cover and the top driving shaft are concentrically designed, the outer surface of the top driving shaft is provided with a third screw, the outer surface of the third screw is provided with a fixed washer, and the fixed washer is attached to the outer surface of the third screw, the fixed washer is attached to the inner ring outer surface of the rotating bearing, and the outer ring of the rotating bearing is attached to the outer surface of the end cover.

[0016] Adopt above technical scheme, through the installation of the third screw and the fixed washer, the fixed washer can fix the rotating bearing on the outer surface of the top driving shaft, and the outer ring of the rotating bearing is attached to the outer surface of the end cover, so that the rotating bearing is fixed in the interior of the movable push plate, and the rotating bearing will not move when the top driving shaft moves and presses the anilox roller, and the end cover can prevent dust.

[0017] Compared with the prior art, the beneficial effects of the present application are that the mechanism for eliminating the axial force of the anilox roller:

[0018] Compared with the prior art, the beneficial effects of the present application are that the mechanism for eliminating the axial force of the anilox roller:1. The utility model discloses a fixed patterned roller in the interior of the printing machine through the plug of the male head of the screen roller and the female head of the screen roller, and the movable push plate is moved through the push of the air cylinder, the movable push plate can push the top driving shaft to move, the female head of the screen roller and the male head of the screen roller can be closely attached, and an axial pushing force is applied to the patterned roller, so that the patterned roller does not axially move during rotary printing, printing errors during printing are reduced, and the appearance of printing defective products is reduced.

[0019] 2. The utility model discloses a fixed installation of the positioning guide column on the side surface of the fixed plate through the first screw, and the oilless bushing is fixedly installed on the outer surface of the movable push plate, the positioning guide column and the oilless bushing are inserted, so that the movable push plate can be more stable when the air cylinder pushes and moves, and when the positioning guide column and the oilless bushing are worn, the positioning guide column and the oilless bushing only need to be removed and replaced, the damage of the air cylinder caused by the displacement of the movable push plate is reduced, and the stability of the movable push plate during movement is ensured.

[0020] 3. The utility model discloses a rotating bearing is installed to the inside of the movable push plate, one end of the top driving shaft is inserted into the inside of the rotating bearing, and the fixed washer is fixedly installed on the outer surface of the top driving shaft through the third screw, so that the fixed washer presses the inner ring of the rotating bearing to fix the top driving shaft in the inside of the rotating bearing, then the outer ring of the rotating bearing is pressed through the end cover, the position of the rotating bearing is limited, the top driving shaft and the rotating bearing do not deviate from the position due to the axial force when the movable push plate drives the top driving shaft to move and extrude the patterned roller, and the rotation of the patterned roller is not limited. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the front view structural diagram of the fixed plate and the patterned roller of the utility model;

[0022] Figure 2 It is the second screw and the male head of the screen roller structural diagram of the utility model;

[0023] Figure 3 It is the female head of the screen roller and the male head of the screen roller local section view structural diagram of the utility model;

[0024] Figure 4 It is the fixed plate and the top driving shaft three-dimensional structure diagram of the utility model;

[0025] Figure 5 It is the movable push plate and the fixed plate section view three-dimensional structure diagram of the utility model;

[0026] Figure 6 It is the rotating bearing and the fixed washer three-dimensional structure diagram of the utility model.

[0027] In the figure: 1, cylinder; 2, movable push plate; 3, oil-free bushing; 4, fixed plate; 5, jacking shaft; 6, positioning guide column; 7, first screw; 8, web roller female head; 9, second screw; 10, anilox roller; 11, web roller male head; 12, rotating bearing; 13, fixed washer; 14, third screw; 15, end cover. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of mechanism for eliminating anilox shaft axial force, including cylinder 1, the output end of cylinder 1 is threadedly installed with movable push plate 2, and the outer surface of movable push plate 2 is rotatably installed with jacking shaft 5, and the side of jacking shaft 5 is provided with anilox roller 10, the outer surface of jacking shaft 5 is installed with fixed plate 4, and fixed plate 4 and jacking shaft 5 are slidingly connected, clamping push mechanism is arranged between anilox roller 10 and jacking shaft 5, clamping push mechanism includes: web roller female head 8, web roller female head 8 is fixedly inserted in the outer surface of one end of jacking shaft 5, and the outer surface of jacking shaft 5 is threadedly installed with second screw 9, and second screw 9 penetrates the outer surface of web roller female head 8, the outer surface of one end of anilox roller 10 is fixedly installed with web roller male head 11, and web roller male head 11 is inserted with second screw 9.

[0030] Through second screw 9, web roller female head 8 can be fixed and replaced after wear, the push-out of cylinder 1 can drive jacking shaft 5 to slide inside fixed plate 4, so that jacking shaft 5 can drive web roller female head 8 to move and be inserted with web roller male head 11, so that anilox roller 10 can be subjected to an axial thrust, so that anilox roller 10 can not axially move when rotating, reducing the poor printing caused by the axial movement of anilox roller 10 rotating.

[0031] The side surface of cylinder 1 is provided with a threaded hole, and the cylinder 1 is fixedly installed on the outer surface of the printing machine through the threaded hole in the side surface.

[0032] Through the threaded hole in the side surface of cylinder 1, cylinder 1 can be conveniently fixed and installed on the side surface of the printing machine, and by installing cylinder 1 on the outside of the printing machine, a larger space is provided around cylinder 1, which facilitates the replacement of cylinder 1 and the replacement of a larger cylinder 1.

[0033] The outer surface of the fixed plate 4 is provided with a first screw 7, the outer surface of the first screw 7 is provided with a positioning guide column 6, and the outer surface of the positioning guide column 6 is attached to the outer surface of the fixed plate 4.

[0034] The positioning guide column 6 can provide more force points for the movable push plate 2 when moving, so that the movable push plate 2 can move along the direction perpendicular to the positioning guide column 6 and the top driving shaft 5, and the shaking of the movable push plate 2 during movement is reduced, so that the air cylinder 1 will not leak and be damaged due to the shaking of the movable push plate 2.

[0035] The outer surface of the movable push plate 2 is provided with an oil-free bushing 3, the outer surface of the oil-free bushing 3 is in sliding connection with the positioning guide column 6, and the positioning guide column 6 and the oil-free bushing 3 are concentrically designed.

[0036] The oil-free bushing 3 can make the positioning guide column 6 move more smoothly, and since the oil-free bushing 3 does not contain oil, it will not cause oil pollution. After the oil-free bushing 3 and the positioning guide column 6 are worn out, the positioning guide column 6 can be removed by removing the first screw 7, and the oil-free bushing 3 can be replaced, which can ensure that the movable push plate 2 can always move vertically when moving, and the oil-free bushing 3 and the positioning guide column 6 can be easily replaced and maintained.

[0037] A rotating screw mechanism is arranged between the movable push plate 2 and the top driving shaft 5, which can make the top driving shaft 5 rotate after being pushed out and move more stably. The rotating screw mechanism comprises a rotating bearing 12, which is clamped and installed in the inside of the movable push plate 2. The side surface of the movable push plate 2 is fixedly provided with an end cover 15, and the end cover 15 and the top driving shaft 5 are concentrically designed. The outer surface of the top driving shaft 5 is provided with a third screw 14, the outer surface of the third screw 14 is provided with a fixed gasket 13, the outer surface of the fixed gasket 13 is attached to the third screw 14, the outer surface of the fixed gasket 13 is attached to the inner ring of the rotating bearing 12, and the outer ring of the rotating bearing 12 is attached to the outer surface of the end cover 15.

[0038] The third screw 14 is screwed into the top driving shaft 5 to fix the fixed gasket 13 at one end of the top driving shaft 5, so that the top driving shaft 5 can be fixed in the inner ring of the rotating bearing 12. Then the end cover 15 is fixed to the outer surface of the movable push plate 2, so that the rotating bearing 12 is fixed in the inside of the movable push plate 2. When the movable push plate 2 pushes out the top driving shaft 5, the top driving shaft 5 can still rotate, which will not affect the rotation of the anilox roller 10.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mechanism for eliminating the axial force of an anilox roller, comprising a cylinder (1), a movable push plate (2) being threadedly mounted on the output end of the cylinder (1), a push shaft (5) being rotatably mounted on the outer surface of the movable push plate (2), a mesh roller (10) being provided on one side of the push shaft (5), a fixed plate (4) being installed through the outer surface of the push shaft (5), and the fixed plate (4) and the push shaft (5) being in sliding connection, characterized in that: The meshing roller (10) and the jacking shaft (5) are provided with a clamping pushing mechanism, the clamping pushing mechanism comprises a mesh roller female head (8), the mesh roller female head (8) is fixedly inserted on the outer surface of one end of the jacking shaft (5), the outer surface of the jacking shaft (5) is threadedly installed with a second screw (9), the second screw (9) penetrates the outer surface of the mesh roller female head (8), one end of the outer surface of the meshing roller (10) is fixedly installed with a mesh roller male head (11), and the mesh roller male head (11) is inserted with the second screw (9).

2. The mechanism for eliminating the axial force of anilox roller according to claim 1, characterized in that: The side surface of the cylinder (1) is provided with a threaded hole, and the cylinder (1) is fixedly installed on the outer surface of the printing machine through the threaded hole in the side surface.

3. The mechanism for eliminating the axial force of the anilox roller according to claim 1, characterized in that: The outer surface of the fixed plate (4) is penetrated and installed with a first screw (7), the outer surface of the first screw (7) is threadedly installed with a positioning guide column (6), and the outer surface of the positioning guide column (6) is attached to the outer surface of the fixed plate (4).

4. The mechanism for eliminating the axial force of the anilox roll according to claim 1, characterized in that: The outer surface of the movable push plate (2) is penetrated and installed with an oil-free bushing (3), the outer surface of the oil-free bushing (3) is in sliding connection with the positioning guide column (6), and the positioning guide column (6) and the oil-free bushing (3) are concentrically designed.

5. The mechanism for eliminating the axial force of the anilox roll according to claim 1, characterized in that: The movable push plate (2) and the jacking shaft (5) are provided with a rotating thread mechanism, so that the jacking shaft (5) can also rotate after being pushed out and moved, and the rotation is more stable.

6. A mechanism for eliminating the axial force of a pattern roll according to claim 5, characterized in that: The rotating thread mechanism comprises a rotating bearing (12) which is clamped and installed in the inside of the movable push plate (2), the side surface of the movable push plate (2) is fixedly installed with an end cover (15), and the end cover (15) and the jacking shaft (5) are concentrically designed, the outer surface of the jacking shaft (5) is threadedly installed with a third screw (14), the outer surface of the third screw (14) is penetrated and installed with a fixed gasket (13), the fixed gasket (13) is attached to the outer surface of the third screw (14), the fixed gasket (13) is attached to the inner ring outer surface of the rotating bearing (12), and the outer ring of the rotating bearing (12) is attached to the outer surface of the end cover (15).

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