CN217021842U

CN217021842U - Cylinder adjusting device that offset press used

Info

Publication number: CN217021842U
Application number: CN202122346719.9U
Authority: CN
Inventors: 成方军; 周连庆; 徐学桐
Original assignee: Shandong Huijie Printing Co ltd
Current assignee: Shandong Huijie Printing Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-07-22
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a roller adjusting device for a flat offset printing machine, which comprises a first bottom plate, a roller body, a second bottom plate, a second roller frame and a first roller frame, a first connecting shaft is fixed in the middle of one end of the roller body, one end of the first connecting shaft is rotatably arranged on the first roller frame, a screw rod frame is fixed in the middle of the upper surface of the first bottom plate, a screw rod is rotatably arranged in the screw rod frame, a screw nut is arranged on the screw rod in a threaded manner, the top end of the screw nut is fixed with the bottom end of the first rolling shaft frame, a second connecting shaft is fixed in the middle of the other end of the roller body, one end of the second connecting shaft is rotatably arranged on the second roller frame, the front end and the rear end of the upper surface of the second bottom plate are respectively embedded with a track, and the track is provided with a connecting plate in a sliding manner, and the upper surface of the connecting plate is fixed with the bottom end of the second roller frame. The utility model has the advantage that the position of the roller body can be adjusted in real time according to the actual use condition.

Description

Cylinder adjusting device that offset press used

Technical Field

The utility model relates to the technical field of offset press, in particular to a roller adjusting device for an offset press.

Background

Lithographic printing means that the printed image and text portions and the non-printed blank portions of the printing plate are substantially in one plane. Although there is a slight difference in height between them, it still counts as a plane compared to letterpress printing and intaglio printing.

Offset printing includes three types, lithographic printing, offset printing and collotype printing. Among them, offset printing is indirect printing, which is also a type of recent mass application.

The cylinder of the offset press is basically fixed in position, and the position of the cylinder cannot be adjusted, so that the cylinder cannot be adjusted according to actual conditions.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a cylinder adjusting apparatus for a flatbed offset printing press, which solves the problems of the background art mentioned above.

In order to achieve the purpose, the utility model provides the following technical scheme: a cylinder adjusting device for a flat-plate offset printing machine comprises a first bottom plate, a cylinder body, a second bottom plate, a second roller frame and a first roller frame, a first connecting shaft is fixed in the middle of one end of the roller body, one end of the first connecting shaft departing from the roller body is rotatably arranged on a first roller frame, a screw rod frame is fixed in the middle of the upper surface of the first bottom plate, a screw rod is rotatably arranged in the screw rod frame, a screw nut is arranged on the screw rod in a threaded manner, the top end of the screw nut is fixed with the bottom end of the first rolling shaft frame, a second connecting shaft is fixed in the middle of the other end of the roller body, one end of the second connecting shaft, which is far away from the roller body, is rotatably arranged on the second roller frame, the front end and the rear end of the upper surface of the second bottom plate are respectively embedded with a track, and the track is provided with a connecting plate in a sliding manner, and the upper surface of the connecting plate is fixed with the bottom end of the second roller frame.

Preferably, a first bearing is embedded in the top of the first roller frame, and the first connecting shaft rotates relative to the first roller frame through the first bearing.

Preferably, a stepping motor is fixed at one end of the screw rod frame and drives the screw rod to rotate.

Preferably, a second bearing is embedded in the top of the second roller frame, and the second connecting shaft rotates relative to the second roller frame through the second bearing.

Preferably, the front end and the rear end of the upper surface of the second bottom plate are respectively provided with an embedded groove matched with the rail, and the rail is fixed in the embedded groove.

Preferably, the front end and the rear end of the lower surface of the connecting plate are respectively fixed with a sliding block, and the two sliding blocks are slidably mounted in sliding grooves in the two rails.

Compared with the prior art, the utility model has the beneficial effects that: the first bottom plate and the second bottom plate are fixed on the frame, and the roller body is arranged at the designated position of the flat offset press. When the position of the roller body is adjusted, the stepping motor is started to drive the screw rod to rotate, the screw nut moves along with the screw rod to drive the first roller frame to move, the roller body is stressed to move, the connecting plate moves relative to the rail through the sliding block, the position of the roller body is adjusted, and the roller body is adjusted to a proper position. The position of the roller body is adjusted in real time according to actual use conditions, and the operation is convenient.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic view of the connection structure of the connection plate of the present invention;

fig. 4 is a schematic view of a top connection structure of the lead screw frame of the present invention.

In the figure: 1. a stepping motor; 2. a first base plate; 3. a screw frame; 4. a drum body; 5. a second base plate; 6. a connecting plate; 7. a second roller frame; 8. a second connecting shaft; 9. a first connecting shaft; 10. a first roller frame; 11. a track; 12. a screw rod; 13. a slider; 14. a screw nut.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, fig. 2 and fig. 4, an embodiment of the present invention: the utility model provides a cylinder adjusting device that offset press was used, includes first bottom plate 2, cylinder body 4 and first roller frame 10, and the centre of 4 one ends of cylinder body is fixed with first connecting axle 9, and first connecting axle 9 deviates from the one end rotation of cylinder body 4 and installs on first roller frame 10, and first bearing is installed in the embedding of first roller frame 10 top, and first connecting axle 9 rotates for first roller frame 10 through first bearing. The middle of the upper surface of the first bottom plate 2 is fixed with a screw frame 3, a screw rod 12 is rotatably installed in the screw frame 3, a screw nut 14 is installed on the screw rod 12 in a threaded mode, the top end of the screw nut 14 is fixed with the bottom end of the first roller frame 10, and one end of the screw frame 3 is fixed with a stepping motor 1. The first base plate 2 is fixed on the frame, and the roller body 4 is arranged at the designated position of the flat offset printing machine. When the position of the roller body 4 is adjusted, the stepping motor 1 is started to drive the screw rod 12 to rotate, the screw nut 14 moves along with the screw rod to drive the first roller frame 10 to move, and the position of the roller body 4 is adjusted.

Example 2

Referring to fig. 1 to 3, an embodiment of the present invention includes: the utility model provides a cylinder adjusting device that offset press used, includes cylinder body 4, second bottom plate 5 and second roller frame 7, and the centre of the 4 other ends of cylinder body is fixed with second connecting axle 8, and the one end that second connecting axle 8 deviates from cylinder body 4 rotates and installs on second roller frame 7, and the embedding of 7 tops of second roller frame is installed the second bearing, and second connecting axle 8 rotates for second roller frame 7 through the second bearing. The front end and the rear end of the upper surface of the second bottom plate 5 are respectively provided with a track 11 in an embedded mode, the front end and the rear end of the upper surface of the second bottom plate 5 are respectively provided with an embedded groove matched with the track 11, and the track 11 is fixed in the embedded groove. The connecting plates 6 are arranged on the rails 11 in a sliding mode, the front ends and the rear ends of the lower surfaces of the connecting plates 6 are respectively fixed with the sliding blocks 13, the two sliding blocks 13 are arranged in the sliding grooves in the two rails 11 in a sliding mode, and the upper surfaces of the connecting plates 6 are fixed to the bottom ends of the second roller racks 7. The second bottom plate 5 is fixed on the frame, the second bottom plate 5 is aligned with the first bottom plate 2, the roller body 4 is forced to move, the connecting plate 6 moves relative to the rail 11 through the sliding block 13, the position of the roller body 4 is adjusted, and the roller body 4 is adjusted to a proper position. The position of the roller body 4 is adjusted in real time according to the actual use condition, so that the operation is convenient.

The working principle is as follows: the first bottom plate 2 and the second bottom plate 5 are respectively fixed on the rack, when the position of the roller body 4 is adjusted, the stepping motor 1 is started to drive the screw rod 12 to rotate, the screw nut 14 moves along with the screw rod to drive the first roller frame 10 to move, the roller body 4 moves under stress, and the connecting plate 6 moves relative to the rail 11 through the sliding block 13 to adjust the position of the roller body 4.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A cylinder adjusting device for offset press, includes first bottom plate (2), cylinder body (4), second bottom plate (5), second roller frame (7) and first roller frame (10), its characterized in that: the middle of one end of the roller body (4) is fixed with a first connecting shaft (9), one end of the first connecting shaft (9) deviating from the roller body (4) is rotatably installed on a first roller frame (10), the middle of the upper surface of the first base plate (2) is fixed with a screw frame (3), a screw rod (12) is rotatably installed in the screw frame (3), a screw (14) is installed on the screw rod (12) in a threaded manner, the top end of the screw (14) is fixed to the bottom end of the first roller frame (10), a second connecting shaft (8) is fixed in the middle of the other end of the roller body (4), one end of the second connecting shaft (8) deviating from the roller body (4) is rotatably installed on a second roller frame (7), a track (11) is respectively embedded into and installed at the front end and the rear end of the upper surface of the second base plate (5), and a connecting plate (6) is slidably installed on the track (11), the upper surface of the connecting plate (6) is fixed with the bottom end of the second roller frame (7).

2. The cylinder adjusting apparatus for a flatbed offset printing machine according to claim 1, wherein: a first bearing is embedded in the top of the first roller frame (10), and the first connecting shaft (9) rotates relative to the first roller frame (10) through the first bearing.

3. The cylinder adjusting apparatus for a flatbed offset printing press according to claim 1, characterized in that: one end of the screw rod frame (3) is fixed with a stepping motor (1), and the stepping motor (1) drives the screw rod (12) to rotate.

4. The cylinder adjusting apparatus for a flatbed offset printing machine according to claim 1, wherein: and a second bearing is embedded into the top of the second roller frame (7), and the second connecting shaft (8) rotates relative to the second roller frame (7) through the second bearing.

5. The cylinder adjusting apparatus for a flatbed offset printing press according to claim 1, characterized in that: the front end and the rear end of the upper surface of the second bottom plate (5) are respectively provided with an embedded groove matched with the rail (11), and the rail (11) is fixed in the embedded grooves.

6. The cylinder adjusting apparatus for a flatbed offset printing machine according to claim 1, wherein: the front end and the rear end of the lower surface of the connecting plate (6) are respectively fixed with a sliding block (13), and the two sliding blocks (13) are slidably mounted in sliding grooves in the two rails (11).