CN215972704U

CN215972704U - Paper pressing device for offset press

Info

Publication number: CN215972704U
Application number: CN202122009626.7U
Authority: CN
Inventors: 石守秀; 黄兄女; 关纪涛
Original assignee: Guangzhou Yisheng Printing Co ltd
Current assignee: Guangzhou Yisheng Printing Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model belongs to the technical field of offset presses, and particularly relates to a paper pressing device for an offset press, which comprises a mounting frame, wherein mounting seats are arranged at the left end and the right end of the mounting frame, a sliding rod is assembled between the two mounting seats, a plurality of paper pressing mechanisms are assembled on the sliding rod in a sliding manner, each paper pressing mechanism comprises a mounting block, a pressing wheel, a torsion spring, two limiting seats and a pressing block, the two limiting seats are fixedly connected with the mounting blocks, the two limiting seats are sleeved with the sliding rod, the pressing wheel is arranged at one end, far away from the mounting frame, of the mounting block, the torsion spring is sleeved with the sliding rod and is positioned between the two limiting seats, one end of the torsion spring is abutted against the mounting frame, one end, abutted against one end of the torsion spring and the mounting frame, is fixedly connected with the pressing block, one end, far away from the pressing wheel, of the mounting block at the other end of the torsion spring, and an adjusting assembly matched with the plurality of paper pressing mechanisms are arranged on the mounting frame.

Description

Paper pressing device for offset press

Technical Field

The utility model belongs to the technical field of offset presses, and particularly relates to a paper pressing device for an 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; according to the printing colour number of once walking paper completion can be divided into monochromatic, double-colored, four-color and polychrome printing machine, when needs use offset press to print paper, can place paper on the workstation of offset press front side, be provided with the conveyer belt on the workstation, put paper on the conveyer belt, the conveyer belt is transported paper to offset press built-in and is printed, guarantee the stability of paper transportation for example, can be provided with on the workstation and press the paper device, compress tightly the paper surface, guarantee the clean and tidy nature on paper surface, however present press paper device structure complicacy, be not convenient for adjust and press the paper position.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the paper pressing device for offset press is provided to solve the problems in the background art.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a paper pressing device for offset press, includes the mounting bracket, both ends all are equipped with the mount pad about the mounting bracket, two be equipped with the slide bar between the mount pad, the slide bar slides and is equipped with a plurality of nipper constructs, nipper constructs including an installation piece, a pinch roller, a torsional spring, two spacing seats and a briquetting, two spacing seat all with installation piece fixed connection, two spacing seat all establishes with the slide bar cover, the mounting bracket one end is kept away from at the installation piece to the pinch roller, the torsional spring is established with the slide bar cover, and is located between two spacing seats, torsional spring one end and mounting bracket butt one end and briquetting fixed connection, pinch roller one end butt is kept away from to torsional spring other end installation piece, the mounting bracket be equipped with a plurality of nipper assorted adjusting part.

Stretch through the torsional spring, upwards push up and move the installation piece and keep away from pinch roller one end, make the pinch roller support tight conveyer belt, when the paper position is pressed in needs adjustment, the staff can push down the installation piece and keep away from pinch roller one end, and upwards mention the briquetting, make the briquetting be close to each other with the installation piece this moment, the torsional spring compression, but the slidable mounting piece, make two spacing seats slide around for the slide bar, just drive the pinch roller and slide for the slide bar, after removing the pinch roller suitable position, the staff can cancel pressing of installation piece, and cancel and mention the briquetting, stretch through the torsional spring this moment, with last the same reason, it is equipped with pinch roller one end to drive the installation piece, it continues to compress tightly the paper to support tight conveyer belt downwards.

The adjusting part comprises a top plate, a screw rod and a handle, the mounting rack is provided with a mounting groove, the lower end of the screw rod is connected with the middle part of the inner wall of the lower side of the mounting groove in a rotating mode, the top plate is in threaded connection with the screw rod, the handle is fixedly connected with the upper end of the screw rod, the upper end of the top plate is abutted to the pressing block, and the mounting rack is provided with a stabilizing component matched with the top plate. The screw rod is in threaded connection with the top plate, so that the top plate can be driven to move up and down respectively when the screw rod rotates in two directions, when the pressing force of the pressing wheel needs to be increased, a worker can drive the screw rod to rotate through the handle to enable the top plate to move upwards, the distance between the top plate and the mounting block, which is far away from the pressing wheel, is reduced, the compression strength of the torsion spring is increased, the abutting force of the torsion spring on one end, far away from the pressing wheel, of the mounting block is increased, and the pressing force of the pressing wheel on paper is increased; rotate the handle and drive the roof downstream as the staff, increase the roof and keep away from the interval between the pinch roller with the installation piece to increase the radian of stretching of torsional spring, reduce the torsional spring and keep away from the butt power of pinch roller one end to the installation piece, just reduce the dynamics that compresses tightly of pinch roller to paper.

The stabilizing component comprises two limiting rods, the two limiting rods are respectively positioned at the left side and the right side of the mounting groove, and two ends of the top plate are respectively sleeved with the two limiting rods. The setting of two gag lever posts can carry on spacingly to the roof, guarantees the stability that the roof reciprocated.

A plurality of convex strips are uniformly arranged on the outer surface of the handle in an annular mode. The design of a plurality of convex strips is convenient for the staff to rotate the handle.

Both ends all are equipped with the installed part, two about the mounting bracket the installed part all is equipped with the screw. Due to the design, the device is convenient for workers to install on the transport table.

The pinch roller and the mounting block are detachably assembled. The design is convenient for workers to replace the pressing wheel.

The paper pressing device is simple in structure, reasonable in design, low in production cost, and convenient for workers to adjust the pressing position of the pressing wheel while pressing paper, and the practicability of the paper pressing device is improved.

Drawings

The utility model is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a first schematic structural diagram of a paper pressing device for an offset printing press according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of a paper pressing device for an offset printing press according to an embodiment of the present invention;

FIG. 3 is a schematic view of a partial structure of a paper pressing device for an offset printing press according to an embodiment of the present invention;

the main element symbols are as follows:

the mounting rack comprises a mounting rack 1, a mounting seat 11, a sliding rod 12, a mounting block 2, a pressing wheel 21, a torsion spring 22, a limiting seat 23, a pressing block 24, a top plate 3, a screw rod 31, a handle 32, a mounting groove 33, a limiting rod 34, a convex strip 35, a mounting part 4 and a screw 41.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the paper pressing device for an offset printing machine of the present invention comprises a mounting frame 1, mounting seats 11 are respectively arranged at the left and right ends of the mounting frame 1, a slide rod 12 is assembled between the two mounting seats 11, a plurality of paper pressing mechanisms are slidably assembled on the slide rod 12, each paper pressing mechanism comprises a mounting block 2, a pressing wheel 21, a torsion spring 22, two limiting seats 23 and a pressing block 24, the two limiting seats 23 are respectively fixedly connected with the mounting block 2, the two limiting seats 23 are respectively sleeved with the slide rod 12, the pressing wheel 21 is arranged at one end of the mounting block 2 far away from the mounting frame 1, the torsion spring 22 is sleeved with the slide rod 12, and be located between two

spacing seats

23, 22 one ends of torsional spring and the 1 butt of mounting bracket, 22 one ends of torsional spring and 1 butt one end of mounting bracket and 24 fixed connection of briquetting, 21 one end butt of pinch roller are kept away from to 22 other end installation pieces of torsional spring 2, mounting bracket 1 be equipped with a plurality of nipper assorted adjusting part.

The structure is simple, the paper can be pressed tightly by stretching the spring 22, when the paper pressing position needs to be adjusted, a worker can press the mounting block 2 downwards to keep away from one end of the pressing wheel 21 and lift the pressing block 24 upwards, the pressing block 24 and the mounting block 2 are close to each other, the torsion spring 22 is compressed, at the moment, the limiting seat 23 is sleeved with the sliding rod 12, the mounting block 2 can be slid, the two limiting seats 23 slide back and forth relative to the sliding rod 12, the pressing wheel 21 is driven to slide relative to the sliding rod 12, the position of the pressing wheel 21 can be moved, after the pressing wheel 21 is moved to a proper position, the worker can cancel pressing on the mounting block 2, and cancel to the briquetting 24 and mention, stretch through torsional spring 22 this moment, with the same reason above, drive the installation piece 2 and be equipped with pinch roller 21 one end, support the conveyer belt tightly downwards and continue to compress tightly the paper.

Adjusting part is including roof 3, screw rod 31 and handle 32, and mounting bracket 1 is equipped with mounting groove 33, and screw rod 31 lower extreme rotates with mounting groove 33 downside inner wall middle part to be connected, and roof 3 and screw rod 31 threaded connection, handle 32 and screw rod 31 upper end fixed connection, 3 upper ends of roof and 24 butts of briquetting, mounting bracket 1 be equipped with 3 assorted stabilizing members of roof. Because the screw rod 31 is in threaded connection with the top plate 3, when the screw rod 31 rotates in two directions respectively, the top plate 3 can be driven to move up and down respectively, when the paper pressing force of the pressing wheel 21 needs to be increased, a worker can drive the screw rod 31 to rotate through the handle 32, so that the top plate 3 moves upwards, the distance between the top plate 3 and the mounting block 2 far away from the pressing wheel 21 is reduced, the compression strength of the torsion spring 22 is increased, the abutting force of the torsion spring 22 on one end of the mounting block 2 far away from the pressing wheel 21 is increased, and the paper pressing force of the pressing wheel 21 is increased; rotate handle 32 and drive roof 3 downstream as the staff, increase roof 3 and installation piece 2 and keep away from the interval between the pinch roller 21 to increase torsional spring 22's the radian that stretches, reduce torsional spring 22 and keep away from the butt power of pinch roller 21 one end to installation piece 2, just reduce the dynamics that compresses tightly of pinch roller 21 to paper.

The stabilizing component comprises two limiting rods 34, the two limiting rods 34 are respectively positioned at the left side and the right side of the mounting groove 33, and two ends of the top plate 3 are respectively sleeved with the two limiting rods 34. Two gag lever post 34's setting can carry on spacingly to roof 3, guarantees the stability that roof 3 reciprocated.

A plurality of convex strips 35 are uniformly arranged on the outer surface of the handle 32 in a ring shape. The plurality of ribs 35 are designed to facilitate rotation of the handle 32 by a worker.

Both ends all are equipped with installed part 4 about mounting bracket 1, and two installed parts 4 all are equipped with screw 41. Due to the design, the device is convenient for workers to install on the transport table.

The pinch roller 21 is detachably assembled with the mounting block 2. Such a design facilitates replacement of the puck 21 by a worker.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an offset press is with pressing paper device, includes the mounting bracket, its characterized in that: both ends all are equipped with the mount pad about the mounting bracket, two be equipped with the slide bar between the mount pad, the slide bar slides and is equipped with a plurality of nipper constructs, nipper constructs including an installation piece, a pinch roller, a torsional spring, two spacing seats and a briquetting, two spacing seat all establishes with installation piece fixed connection, two spacing seat all establishes with the slide bar cover, the pinch roller is established and is kept away from mounting bracket one end at the installation piece, the torsional spring is established with the slide bar cover, and is located between two spacing seats, torsional spring one end and mounting bracket butt one end and briquetting fixed connection, pinch roller one end butt is kept away from to torsional spring other end installation piece, the mounting bracket be equipped with a plurality of nipper assorted adjusting part.

2. The platen device for an offset printing press according to claim 1, wherein: the adjusting part comprises a top plate, a screw rod and a handle, the mounting rack is provided with a mounting groove, the lower end of the screw rod is connected with the middle part of the inner wall of the lower side of the mounting groove in a rotating mode, the top plate is in threaded connection with the screw rod, the handle is fixedly connected with the upper end of the screw rod, the upper end of the top plate is abutted to the pressing block, and the mounting rack is provided with a stabilizing component matched with the top plate.

3. The platen device for an offset printing press according to claim 2, wherein: the stabilizing component comprises two limiting rods, the two limiting rods are respectively positioned at the left side and the right side of the mounting groove, and two ends of the top plate are respectively sleeved with the two limiting rods.

4. The platen device for an offset printing press according to claim 2, wherein: a plurality of convex strips are uniformly arranged on the outer surface of the handle in an annular mode.

5. The platen device for an offset printing press according to claim 1, wherein: both ends all are equipped with the installed part, two about the mounting bracket the installed part all is equipped with the screw.

6. The platen device for an offset printing press according to claim 1, wherein: the pinch roller and the mounting block are detachably assembled.