CN211683923U

CN211683923U - High-efficient offset press

Info

Publication number: CN211683923U
Application number: CN202020095842.0U
Authority: CN
Inventors: 薛建洋
Original assignee: Yiwu Pebo Paper Products Co Ltd
Current assignee: Yiwu Pebo Paper Products Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-16
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a high-efficient offset press aims at solving the rubber roller and can appear wearing and tearing after long-term the use, can't apply for the sufficient pressure of gravure roll, leads to the problem that printing quality reduces. The key points of the technical scheme are as follows: the utility model provides a high-efficient offset press, which comprises a frame, be provided with rubber roll and gravure roll in the frame, the gravure roll rotates with the frame to be connected, be provided with the groove of sliding in the frame, the inslot that slides is provided with the installation piece, the one end of rubber roll rotates with the installation piece to be connected, the other end of rubber roll is provided with the movable block, the one end in groove of sliding is provided with the dwang, the other end of dwang and the output shaft of motor, be provided with the drive piece on the dwang, be provided with the one end stay cord on the drive piece, be provided with the spring between. The utility model discloses a high-efficient offset press can adjust the distance between rubber roller and the gravure roll, ensures that the rubber roller can apply sufficient pressure for the gravure roll, guarantees printing quality.

Description

High-efficient offset press

Technical Field

The utility model relates to a printing machine technique, more specifically say, it relates to a high-efficient offset press.

Background

Modern printing has an increasing demand for the colour of the ink on the printed matter and an increasing demand for the printing speed of the printing press, in particular offset printing, which must achieve the best printing with the least amount of water, i.e. a higher demand for ink-water balance, so that the inking unit is a very critical mechanism in modern offset printing presses. Each large brand of offset printing machine has its own unique inking device design, which manifests itself in the distinctive number, diameter, shape and arrangement of inking rollers, thereby embodying the performance of the offset printing machine. The ink rollers on the market are basically smooth cylinders in shape, but the ink rollers cannot easily take ink out of the ink box, and most of the ink rollers can only take ink out better through the position design of the ink rollers and the ink box.

In order to solve the above problems, an offset printing machine inking device disclosed in chinese patent publication No. CN205615177U includes an ink transfer roller, an intaglio cylinder, a blanket cylinder, a support roller, wherein one side of the ink transfer roller contacts with an ink tank, the other side of the ink transfer roller contacts with the intaglio cylinder, the edge of the blanket cylinder is tightly attached to the intaglio cylinder, the upper portion of the support roller bears a conveying belt, a printing material is placed on the conveying belt, ink falls onto the printing material through the blanket cylinder, and the edge of the intaglio cylinder is provided with a groove.

Above-mentioned scheme is through setting up the recess at gravure cylinder outer circumferential surface, can be effectual with printing ink evenly distributed to blanket cylinder surface for it is more even to go out the china ink during offset printing, and offset printing effect is better. However, in actual printing, the printing effect of the paper is mainly determined by two aspects, namely whether the pressing force applied to the gravure cylinder by the blanket cylinder is sufficient and uniform, and whether the ink transferred to the printing wheel by the ink transfer roller is uniform. Although the grooves can make the ink distribution more uniform in the above scheme, after a long time of use, the rubber cylinder is worn to a certain extent, and the pressure applied by the rubber cylinder on the gravure cylinder is reduced, so that the characters printed on the paper are blurred, and the printing effect of the offset printing machine is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high-efficient offset press sets up dwang, drive piece and stay cord through the groove that slides in the frame to and realize the adjustable interval between rubber roll and the gravure roll with stay cord fixed connection's installation piece, reach the purpose that improves the printing quality.

The above technical purpose of the present invention can be achieved by the following technical solutions: an efficient offset press comprises a frame, a rubber roller and a gravure roller are arranged on the frame, the gravure roller is rotationally connected with the frame, the frame is provided with a sliding groove, the sliding groove is internally provided with an installation block which is connected with the sliding groove in a sliding way, one end of the rubber roller is rotationally connected with the mounting block, the other end of the rubber roller is provided with a moving block rotationally connected with the rubber roller, the moving block is connected with the frame in a sliding way, a rotating rod is arranged at one end of the sliding groove far away from the mounting block, one end of the rotating rod is rotatably connected with the sliding groove, a motor is arranged in the sliding groove, the other end of the rotating rod is connected with an output shaft of the motor, the rotating rod is provided with a driving block fixedly connected with the rotating rod, the driving block is provided with a pull rope, one end of the pull rope is fixedly connected with the driving block, the other end of the pull rope is fixedly connected with the mounting block, and a spring is arranged between one side of the mounting block, which is far away from the pull rope, and the sliding groove.

By adopting the technical scheme, when the rubber roller is worn after being used for a long time and the pressure applied to the gravure roller is reduced, the rubber roller can be moved to move towards one end close to the gravure roller, the rotating rod is positioned at one end close to the gravure roller of the sliding groove, at the moment, after the rotating rod is driven by the starting motor to rotate, the rotating rod can drive the driving block fixedly connected with the rotating rod to rotate, the driving block can drive the stay cord to be wound on the rotating rod, the mounting block can be pulled by the stay cord, the mounting block can move towards one end close to the gravure roller, the mounting block can drive the rubber roller to move towards one end close to the gravure roller, because the other end of the rubber roller is in sliding connection with the frame, after the rubber roller moves under the driving of the mounting block, the other end can also move together with the rubber roller, the rubber roller can be parallel to the gravure roller all the time, the spring is a spring with higher, the interval between rubber roll and the gravure roll will dwindle, just can increase the pressure that the rubber roll was applyed to the gravure roll, guarantee the quality of printing, and simultaneously, when the cardboard thickness of printing is great, can drive the dwang through the motor and rotate in the opposite direction, the stay cord of winding on the dwang just can loosen, the spring will be with the one end that the gravure roll was kept away from to the installation piece pull back, what is more what the length that the stay cord unclamped, the spring just also what with its distance that pulls back, just so can make the offset press be applicable to the printing of more panels, the efficiency of printing has been improved.

The utility model discloses further set up to: the rack is provided with a moving groove for the moving block to insert and move, the moving block is provided with a convex block fixedly connected with the moving block, and the inner wall of the moving groove is provided with a sliding rail for the convex block to insert and move.

Through adopting above-mentioned technical scheme, at the in-process that the installation piece drove the rubber roller and removes, the movable block of the rubber roller other end also can remove along with the rubber roller along the shifting chute, and at the in-process that the movable block removed, the lug can remove along the slide rail, makes the removal of movable block more stable, makes the rubber roller can remove together at the in-process both ends that remove, is parallel with the gravure roll all the time.

The utility model discloses further set up to: the inner wall of the moving groove is provided with a plurality of first universal balls distributed in an array mode, and the first universal balls are attached to the surface of the moving block.

By adopting the technical scheme, in the moving process of the moving block moving along the moving groove, the universal balls roll along the surface of the moving block for a while, so that the friction between the moving block and the moving groove is reduced, and the moving block is smoother in the moving process.

The utility model discloses further set up to: the mounting block is provided with a limiting block fixedly connected with the mounting block, and the inner wall of the sliding groove is provided with a limiting groove for the limiting block to insert and move.

Through adopting above-mentioned technical scheme, at the in-process that the installation piece removed, the stopper can remove in the spacing groove along with the installation piece, makes the installation piece can be more stable at the in-process that removes.

The utility model discloses further set up to: the inner wall of the limiting groove is provided with a plurality of universal ball II distributed in an array mode, and the universal ball II is attached to the surface of the limiting block.

Through adopting above-mentioned technical scheme, at the in-process that the stopper removed along the spacing groove, universal ball two can roll along the surface of stopper, has reduced the friction between stopper and the spacing groove, makes the removal of stopper more smooth and easy.

The utility model discloses further set up to: the pull rope is sleeved with a rubber sleeve.

Through adopting above-mentioned technical scheme, the rubber sleeve can play a guard action to the stay cord, has reduced the wearing and tearing that the stay cord can appear in the use, has prolonged the life of stay cord.

The utility model discloses further set up to: the motor is provided with a band-type brake and is connected with a reversing switch.

Through adopting above-mentioned technical scheme, after the motor was closed, the band-type brake can carry out the auto-lock to the motor, prevents that the motor from producing the rotation by oneself under the effect of external force, and the switch of reversing one's direction can make the motor realize just reversing.

The utility model discloses further set up to: the width of the limiting block is consistent with that of the limiting groove.

Through adopting above-mentioned technical scheme, at the rubber roller in the in-process of rotating processing, the width clearance fit of stopper and spacing groove can reduce rocking of rubber roller in the course of working.

To sum up, the utility model discloses following beneficial effect has:

one of them, wearing and tearing appear after the rubber roll is used for a long time, when the pressure applied to the gravure roll reduces, can remove the rubber roll and make it remove to the one end that is close to the gravure roll, and the dwang is located the one end that the groove of sliding is close to the gravure roll, at this moment, starter motor drives the dwang after rotatory, the dwang will drive rather than fixed connection's drive piece rotatory, it will drive the stay cord winding on the dwang to drive the piece, the installation piece will be pulled by the stay cord, the installation piece will be to the one end removal that is close to the gravure roll, the installation piece will drive the rubber roll and remove to the one end that is close to the gravure roll, the spring is the great spring of rigidity, can stretch out after the removal of installation piece, the interval between rubber roll and the gravure roll will reduce, just can increase the pressure that the.

Drawings

Fig. 1 is a schematic external structural view of the present invention, showing the external structural features of an offset printing machine;

FIG. 2 is an enlarged view of part A of FIG. 1, showing the position relationship of the sliding slot;

FIG. 3 is a schematic view of the internal structure of the present invention, showing the internal structure of the sliding groove;

FIG. 4 is a schematic structural view of the present invention, showing the positional relationship between the rubber roller and the frame;

FIG. 5 is an enlarged view of the portion B of FIG. 4, showing the positional relationship between the mounting block and the slide groove;

fig. 6 is an enlarged schematic view of the portion C of fig. 4, showing the positional relationship between the moving block and the moving groove.

In the figure: 1. a frame; 2. a rubber roller; 3. a gravure roll; 4. a sliding groove; 5. mounting blocks; 6. a moving block; 7. rotating the rod; 8. driving the block; 9. pulling a rope; 10. a spring; 11. a moving groove; 12. a bump; 13. a slide rail; 14. a first universal ball; 15. a limiting block; 16. a limiting groove; 17. and a second universal ball.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

A high-efficiency offset press is disclosed, as shown in figures 1-6, comprising a frame 1, a rubber roller 2 and a gravure roller 3 are arranged on the frame 1, the gravure roller 3 is rotatably connected with the frame 1 through a rotating shaft, a sliding groove 4 is arranged on the frame 1, an installation block 5 slidably connected with the sliding groove 4 is arranged in the sliding groove 4, a limit block 15 welded and fixed with the installation block 5 is arranged on the installation block 5, a limit groove 16 for the limit block 15 to insert and move is arranged on the inner wall of the sliding groove 4, a plurality of universal balls 17 distributed in an array are arranged on the inner wall of the limit groove 16, the universal balls 17 are attached to the surface of the limit block 15, one end of the rubber roller 2 is rotatably connected with the installation block 5 through the rotating shaft, a moving block 6 rotatably connected with the other end of the rubber roller 2 through the rotating shaft, the moving block 6 is slidably connected with the frame 1, a moving, the movable block 6 is provided with a convex block 12 welded and fixed with the movable block, the inner wall of the movable groove 11 is provided with a slide rail 13 for the convex block 12 to insert and move, the inner wall of the movable groove 11 is provided with a plurality of universal ball I14 distributed in an array, the universal ball I14 is attached to the surface of the movable block 6, one end of the sliding groove 4 far away from the installation block 5 is provided with a rotating rod 7, the rotating rod 7 is positioned at one end of the sliding groove 4 close to the gravure roll 3, one end of the rotating rod 7 is rotatably connected with the sliding groove 4 through a rotating shaft, the sliding groove 4 is internally provided with a motor, the motor is provided with a contracting brake and is connected with a reversing switch, the other end of the rotating rod 7 is connected with an output shaft of the motor through a coupler, the rotating rod 7 is provided with a driving block 8 welded and fixed with the rotating rod, the driving block, 9 overcoat of stay cord is equipped with the rubber sleeve, and the rubber sleeve is made by the rubber that elasticity is good, and one side that stay cord 9 was kept away from to installation piece 5 is equipped with spring 10 with sliding between the groove 4, and spring 10 is the spring 10 that has great stiffness coefficient, and spring 10's both ends respectively with installation piece 5 and sliding groove 4 welded fastening.

When the rubber roller 2 is worn after being used for a long time and the pressure applied to the gravure roller 3 is reduced, the rubber roller 2 can be moved to move towards one end close to the gravure roller 3, the rotating rod 7 is positioned at one end of the sliding groove 4 close to the gravure roller 3, at the moment, after the rotating rod 7 is driven by the starting motor to rotate, the rotating rod 7 drives the driving block 8 to rotate, the driving block 8 drives the pull rope 9 to wind on the rotating rod 7, the installation block 5 is pulled by the pull rope 9, the installation block 5 moves towards one end close to the gravure roller 3, the installation block 5 drives the rubber roller 2 to move towards one end close to the gravure roller 3, as the other end of the rubber roller 2 is in sliding connection with the frame 1, after the rubber roller 2 moves under the driving of the installation block 5, the other end can also move along with the rubber roller 2, the rubber roller 2 can be parallel to the gravure roller 3 all the time, and the spring 10 is a spring 10 with, can stretch after installation piece 5 removes, interval between rubber roll 2 and the gravure roll 3 will dwindle, just can increase the pressure that rubber roll 2 applied to gravure roll 3, guarantee the quality of printing, and simultaneously, when the cardboard thickness of printing is great, can drive dwang 7 reverse direction rotation through the motor, stay cord 9 of winding on dwang 7 just can loosen, spring 10 will pull back installation piece 5 and keep away from the one end of gravure roll 3, what is had to the length that stay cord 9 loosens, just also what is had to the distance that spring 10 pulled back it, just so just can make the offset press be applicable to the printing of more panels, the efficiency of printing has been improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient offset press, includes frame (1), be provided with rubber roll (2) and gravure roll (3) on frame (1), gravure roll (3) rotate with frame (1) and are connected its characterized in that: the rubber roller is characterized in that a sliding groove (4) is formed in the rack (1), an installation block (5) in sliding connection with the sliding groove (4) is arranged in the sliding groove (4), one end of the rubber roller (2) is rotationally connected with the installation block (5), a moving block (6) in rotational connection with the rubber roller (2) is arranged at the other end of the rubber roller (2), the moving block (6) is in sliding connection with the rack (1), a rotating rod (7) is arranged at one end, far away from the installation block (5), of the sliding groove (4), one end of the rotating rod (7) is rotationally connected with the sliding groove (4), a motor is arranged in the sliding groove (4), the other end of the rotating rod (7) is connected with an output shaft of the motor, a driving block (8) fixedly connected with the rotating rod (7) is arranged on the rotating rod (7), and a pull rope (9) fixedly connected with, the other end of the pull rope (9) is fixedly connected with the mounting block (5), and a spring (10) is arranged between one side, far away from the pull rope (9), of the mounting block (5) and the sliding groove (4).

2. A high efficiency offset printing press as claimed in claim 1, wherein: the moving mechanism is characterized in that a moving groove (11) for inserting and moving the moving block (6) is formed in the rack (1), a convex block (12) fixedly connected with the moving block (6) is arranged on the moving block (6), and a sliding rail (13) for inserting and moving the convex block (12) is arranged on the inner wall of the moving groove (11).

3. A high efficiency offset printing press as claimed in claim 2, wherein: the inner wall of the moving groove (11) is provided with a plurality of first universal balls (14) distributed in an array mode, and the first universal balls (14) are attached to the surface of the moving block (6).

4. A high efficiency offset printing press as claimed in claim 1, wherein: the mounting block (5) is provided with a limiting block (15) fixedly connected with the mounting block, and the inner wall of the sliding groove (4) is provided with a limiting groove (16) for the limiting block (15) to insert and move.

5. The high efficiency offset printing press as recited in claim 4, wherein: the inner wall of the limiting groove (16) is provided with a plurality of second universal ball bearings (17) distributed in an array mode, and the second universal ball bearings (17) are attached to the surface of the limiting block (15).

6. A high efficiency offset printing press as claimed in claim 1, wherein: the pull rope (9) is sleeved with a rubber sleeve.

7. A high efficiency offset printing press as claimed in claim 1, wherein: the motor is provided with a band-type brake and is connected with a reversing switch.

8. The high efficiency offset printing press as recited in claim 4, wherein: the width of the limiting block (15) is consistent with that of the limiting groove (16).