CN215882946U

CN215882946U - Offset printing device for automatic offset printing machine

Info

Publication number: CN215882946U
Application number: CN202122172844.2U
Authority: CN
Inventors: 龚立新
Original assignee: Beijing Xinhai Jinao Offset Printing Co ltd
Current assignee: Beijing Xinhai Jinao Offset Printing Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-22
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses an offset printing device for an automatic offset printing machine, and relates to the technical field of offset printing machines. The utility model provides an offset printing device for automatic offset press, includes the curb plate, the curb plate is provided with two, is provided with discharge roller, ink roller and compression roller between two curb plates, and right angle groove has all been seted up to two curb plates one side, and one of them curb plate one side fixedly connected with fixed plate, the shift groove has been seted up to the fixed plate upper end, and wherein, discharge roller, ink roller and compression roller both ends all are provided with the pivot, and the pivot swing joint of discharge roller one end has still seted up the spout in shift inslot wall in the pivot swing joint of discharge roller one side, and spout inner wall swing joint has the connecting rod. According to the utility model, through the arrangement of the connecting plate, the fixing plate and the motor, the device can automatically adjust the position of the discharge roller so as to achieve the purpose of adjusting the pressure required by paper and the paper discharge speed, and is convenient, the mechanism is automatically adjusted, the labor cost is reduced, and the mechanism is simple in movement process and not easy to damage.

Description

Offset printing device for automatic offset printing machine

Technical Field

The utility model relates to the technical field of offset presses, in particular to an offset printing device for an automatic offset press.

Background

An offset printing press is a kind of offset printing press, in which printing images are first printed on a blanket cylinder from a printing plate and then transferred to paper by the blanket cylinder. Offset presses can be divided into sheet-fed offset presses and web-fed offset presses according to different paper feeding modes; the printing color number completed by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color printing machines; the full-paper printing machine can be divided into a small offset press, a six-opening, four-opening, two-opening and full-paper printing machine according to the maximum paper breadth to be printed, and a double-sided printing machine capable of simultaneously finishing two-sided printing by one-time paper feeding is also arranged.

The traditional offset press needs manual adjustment mostly for adjusting the pressure of paper and the paper outlet speed by adjusting each roller, and an automatic adjusting mechanism is generally used in a high-end offset press with high manufacturing cost, so that the mode of adjusting each roller of most offset presses is troublesome, and the current market rarely has improved schemes aiming at the condition, so that the utility model provides a novel solution.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an offset printing apparatus for an automatic offset printing machine to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an offset printing device for automatic offset press, which comprises a side plate, the curb plate is provided with two, be provided with the discharge roller between two curb plates, ink roller and compression roller, right angle groove has all been seted up to two curb plates one side, one of them curb plate one side fixedly connected with fixed plate, the shift groove has been seted up to the fixed plate upper end, wherein, the discharge roller, ink roller and compression roller both ends all are provided with the pivot, the pivot swing joint of discharge roller one end is in shift inslot wall, the spout has still been seted up to curb plate one side, spout inner wall swing joint has the connecting rod, connecting rod one end fixedly connected with connecting plate, one side and the pivot one end swing joint of the connecting plate other end.

Preferably, the spout top is provided with the fixed block, fixed block one end fixed connection in curb plate one side, and fixed block swing joint has the threaded rod, curb plate one side fixedly connected with motor, motor output end fixed connection in threaded rod one end.

Preferably, the middle part of the connecting rod is provided with a thread groove, the threaded rod is matched with the thread groove, and the threaded rod is movably connected to the inner wall of the thread groove.

Preferably, the translation groove has been seted up to curb plate one side bottom, and ink roller both ends swing joint in translation inslot wall, curb plate one side fixedly connected with spacing ring, spacing ring inner wall fixedly connected with bearing, bearing inner wall fixed connection in the one end pivot surface of ink roller.

Preferably, be located the pivot and the compression roller swing joint at compression roller both ends, the pivot surface cover that is located the compression roller is equipped with spacing piece, and spacing piece middle part is seted up and is greater than the square groove of pivot diameter, and spacing piece top and the equal swing joint in one side have the bolt.

Preferably, curb plate one side is provided with the protection casing, protection casing one side fixed connection in curb plate one side, fixedly connected with guard plate between the curb plate top, simultaneously, the discharge roller top is provided with the installing support, and installing support both ends fixed connection is in curb plate one side, curb plate bottom fixedly connected with chassis.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this an offset printing device for automatic offset press, through the setting of connecting plate, fixed plate and motor, the device can the position of automatically regulated ejection of compact roller in order to reach the purpose of the required pressure of adjustment paper and paper ejection of compact speed, and is comparatively convenient to this mechanism is automatically regulated, reduces the cost of labor, and the motion process of this mechanism is simple, and is not fragile.

(2) The offset printing device for the automatic offset printing machine is compact in mechanism, small in occupied area, flexible in installation and capable of being expanded to a certain extent due to the fact that the installation support is installed.

Drawings

FIG. 1 is a schematic view of the construction of a side panel and its components according to the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic diagram of the right side structure of the present invention;

FIG. 4 is a schematic left-side view of the present invention.

In the figure: 1. a side plate; 2. a right-angle groove; 3. a shifting groove; 4. a fixing plate; 5. a connecting plate; 6. a connecting rod; 7. a threaded rod; 8. a fixed block; 9. a limiting ring; 10. a rotating shaft; 11. a compression roller; 12. an ink roller; 13. a discharging roller; 14. mounting a bracket; 15. a limiting sheet; 16. a bolt; 17. a protection plate; 18. a protective cover; 19. a motor; 20. a chassis.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to 4, the present invention provides a technical solution: an offset printing device for an automatic offset printing machine comprises side plates 1, wherein two side plates 1 are arranged, a discharge roller 13, an ink roller 12 and a compression roller 11 are arranged between the two side plates 1, a right-angle groove 2 is formed in each of one sides of the two side plates 1, the right-angle groove 2 can provide transverse moving and vertical moving conditions for the discharge roller 13, a fixing plate 4 is fixedly connected to one side of one side plate 1, a displacement groove 3 is formed in the upper end of the fixing plate 4, the displacement groove 3 is used for limiting a connecting plate 5, so that the connecting plate 5 drives the discharge roller 13 to move in the vertical direction by taking the displacement groove 3 as a path, rotating shafts 10 are arranged at two ends of the discharge roller 13, the ink roller 12 and the compression roller 11, the discharge roller 13 and the ink roller 12 are fixedly connected with the rotating shafts 10, the rotation of the discharge roller 13 and the ink roller 12 is driven by the rotation of the rotating shafts 10, and the rotating shaft 10 at one end of the discharge roller 13 is movably connected to the inner wall of the displacement groove 3, one side of the side plate 1 is also provided with a chute which provides a limit for the movement of the connecting rod 6, the inner wall of the chute is movably connected with the connecting rod 6, one end of the connecting rod 6 is fixedly connected with a connecting plate 5, one end of the connecting plate 5 can be provided with a motor 19 or other braking parts to provide power for the discharging roller 13, one side of the other end of the connecting plate 5 is movably connected with one end of a rotating shaft 10, the top end of the chute is provided with a fixed block 8, one end of the fixed block 8 is fixedly connected with one side of the side plate 1, the middle part of the connecting rod 6 is provided with a thread groove, a threaded rod 7 is matched with the thread groove, the threaded rod 7 is movably connected with the inner wall of the thread groove, the fixed block 8 is movably connected with a threaded rod 7, one side of the side plate 1 is fixedly connected with a motor 19, and the output end of the motor 19 is fixedly connected with one end of the threaded rod 7, so that the motor 19 provides power to drive the threaded rod 7 to rotate, the threaded rod 7 acts on the connecting rod 6, and the connecting rod 6 is limited by the chute, connecting rod 6 reciprocates in the spout, therefore, connecting rod 9 drives pivot and discharge roller 13 through connecting plate 5 and reciprocates, adjust the interval between discharge roller 13 and compression roller 12 and ink roller 11 with this, with regulation paper pressure and exit velocity, the paper is by the feeding between compression roller 12 and the ink roller 11 during the feeding, can transversely adjust the position of ink roller before the feeding, the position of compression roller 12 also can manually carry out certain regulation, make the distance between compression roller 12 and the ink roller 11 appropriate before the offset press work, advance afterwards and realize the adjustment of paper speed through the position of adjustment discharge roller 13, and simultaneously, when feed roller 13 upwards displaces, can improve the pressure above the paper, can increase the pressure below the paper when feed roller 13 downwards displaces, can carry out regulation at any time through feed roller 13.

In order to guarantee the smooth implementation of this scheme, it needs to be known that, the translation groove has been seted up to curb plate 1 one side bottom, ink roller 12 both ends swing joint is in translation inslot wall, ink roller 12 can carry out certain translation through the translation groove, adjust the distance between ink roller 12 and compression roller 11 and the discharge roller 13, curb plate 1 one side fixedly connected with spacing ring 9, spacing ring 9 is used for making bearing and ink roller 12 remain stable, reduce the tremble, spacing ring 9 inner wall fixedly connected with bearing, do not influence its translation when making ink roller 12 choose to favor each other through the setting of bearing, bearing inner wall fixed connection is in the one end pivot 10 surface of ink roller 12.

In order to ensure that the scheme is the best optimal scheme, it needs to be known that the rotating shafts 10 at the two ends of the compression roller 11 are movably connected with the compression roller 11, the surface of the rotating shaft 10 at the compression roller 11 is sleeved with a limiting piece 15, the middle part of the limiting piece 15 is provided with a square groove larger than the diameter of the rotating shaft 10, the top and one side of the limiting piece 15 are movably connected with a bolt 16, and the limiting piece 15 and the bolt 16 limit and move the compression roller.

In order to ensure the implementation effect of the scheme, it needs to be known that a protective cover 18 is arranged on one side of the side plate 1, one side of the protective cover 18 is fixedly connected to one side of the side plate 1, a protective plate 17 is fixedly connected between the tops of the side plate 1, the protective plate 17 is used for preventing pigments from splashing, meanwhile, an installation support 14 is arranged above the discharging roller 13, the installation support 14 is used for installing other parts, two ends of the installation support 14 are fixedly connected to one side of the side plate 1, and a chassis 20 is fixedly connected to the bottom of the side plate 1.

The device makes the offset printing subassembly that is used for adjusting paper receiving pressure and ejection of compact speed in the offset printing machine offset printing mechanism, carry out the position that a series of linkage actions can adjust ejection of compact roller 13 through the braking of motor 19, make ejection of compact roller 13 adjust to appropriate position at any time, in order to reach the required ejection of compact speed of needs and control the required pressure of paper, simultaneously when needs, compression roller 11 and ink roller 12 all can carry out the displacement of certain distance through manual, the regulating effect is more comprehensive, the device structure is comparatively compact, better effect can be obtained to the occupation space is less.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An offset printing device for automatic offset printing machines, comprising a side plate (1), characterized in that: curb plate (1) is provided with two, be provided with between two curb plate (1) discharge roller (13), ink roller (12) and compression roller (11), right angle groove (2) have all been seted up to two curb plate (1) one side, one of them curb plate (1) one side fixedly connected with fixed plate (4), shift groove (3) have been seted up to fixed plate (4) upper end, wherein, discharge roller (13), ink roller (12) and compression roller (11) both ends all are provided with pivot (10), pivot (10) swing joint in shift groove (3) inner wall of discharge roller (13) one end, the spout has still been seted up to curb plate (1) one side, spout inner wall swing joint has connecting rod (6), connecting rod (6) one end fixedly connected with connecting plate (5), one side and pivot (10) one end swing joint of the connecting plate (5) other end.

2. An offset printing apparatus for an automatic offset printing press according to claim 1, wherein: the sliding groove top is provided with fixed block (8), fixed block (8) one end fixed connection in curb plate (1) one side, and fixed block (8) swing joint has threaded rod (7), curb plate (1) one side fixedly connected with motor (19), and motor (19) output end fixed connection is in threaded rod (7) one end.

3. An offset printing apparatus for an automatic offset printing press according to claim 1, wherein: threaded groove has been seted up in connecting rod (6) middle part, threaded rod (7) and threaded groove looks adaptation, and threaded rod (7) swing joint in threaded groove inner wall.

4. An offset printing apparatus for an automatic offset printing press according to claim 1, wherein: translation groove has been seted up to curb plate (1) one side bottom, and ink roller (12) both ends swing joint is in translation inslot wall, curb plate (1) one side fixedly connected with spacing ring (9), spacing ring (9) inner wall fixedly connected with bearing, bearing inner wall fixed connection in one end pivot (10) surface of ink roller (12).

5. An offset printing apparatus for an automatic offset printing press according to claim 1, wherein: lie in pivot (10) and compression roller (11) swing joint at compression roller (11) both ends, pivot (10) surface cover that lies in compression roller (11) is equipped with spacing piece (15), and spacing piece (15) middle part is seted up and is greater than the square groove of pivot (10) diameter, and spacing piece (15) top and one side equal swing joint have bolt (16).

6. An offset printing apparatus for an automatic offset printing press according to claim 1, wherein: curb plate (1) one side is provided with protection casing (18), protection casing (18) one side fixed connection in curb plate (1) one side, fixedly connected with guard plate (17) between curb plate (1) top, simultaneously, discharge roller (13) top is provided with installing support (14), installing support (14) both ends fixed connection in curb plate (1) one side, curb plate (1) bottom fixedly connected with chassis (20).