CN220334316U - Tensioning adjustment mechanism of newspaper printing machine - Google Patents

Abstract

The utility model discloses a tensioning and adjusting mechanism of a newspaper printing machine, which comprises a base, wherein one side of the base is fixedly connected with symmetrically arranged first support rods, first conveying rollers are rotatably connected between the first support rods, the other side of the base is fixedly connected with symmetrically arranged second support rods, buffer mechanisms are fixedly arranged on the second support rods, the second conveying rollers are rotatably connected between the buffer mechanisms, symmetrically arranged third support rods are fixedly connected at the middle position of the base, and rotating rods are rotatably connected between the third support rods.

Description

Tensioning adjustment mechanism of newspaper printing machine

Technical Field

The utility model relates to the technical field of newspaper printing, in particular to a tensioning and adjusting mechanism of a newspaper printing machine.

Background

Newspapers are important carriers for mass propagation, and each newspaper needs to be finished through steps of plate loading, inking, embossing, paper conveying, packaging and the like.

However, in the production process, the phenomenon of wrinkling, misprinting and the like of finished newspapers is easily caused by insufficient tension of the newspapers, the problem of insufficient tension in paper transportation is solved by a press roller set of a printing machine generally, but reasonable tension of the newspapers in transportation is difficult to control in adjustment, the phenomena of paper breakage and even breakage are easily caused, and therefore the quality and the printing efficiency of the newspapers are reduced.

To solve the above problems, the present utility model proposes a tension adjusting mechanism for a newspaper printing press.

Disclosure of Invention

The utility model aims to provide a tensioning and adjusting mechanism of a newspaper printing press, which solves the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a tensioning adjustment mechanism of newspaper printing machine, includes the base, first bracing piece that base one side fixedly connected with symmetry set up, rotate between the first bracing piece and be connected with first conveying roller, opposite side fixedly connected with second bracing piece that the symmetry set up on the base, all fixedly on the second bracing piece be equipped with buffer gear, rotate between the buffer gear and be connected with the second conveying roller, intermediate position department fixedly connected with symmetry sets up third bracing piece on the base, one of them fixedly connected with fixed plate on the third bracing piece, one of them fixedly connected with motor between third bracing piece and the fixed plate, fixedly connected with driving gear on the motor output, rotate between the third bracing piece and be connected with the dwang, fixedly connected with driven gear on the dwang, fixedly connected with symmetry sets up the connecting plate on the dwang, fixedly connected with squeeze roll between the connecting plate, fixedly mounted has pressure sensor between the squeeze roll.

As the preferable scheme of the utility model, the buffer mechanism comprises a chute, wherein symmetrically arranged guide rods are fixedly connected in the chute, a sliding block is connected in the chute in a sliding way, symmetrically arranged through grooves are fixedly formed in the sliding block, and symmetrically arranged springs are fixedly connected at the top end and the bottom end of the sliding block.

As a further preferable scheme of the utility model, the sliding grooves are fixedly arranged on the second supporting rod, the guide rods are all in sliding connection with the sliding grooves on the sliding blocks, and the top ends of the guide rods are all movably penetrated through the hollow parts of the springs and the through grooves in the sliding blocks.

As a preferred embodiment of the present utility model, the second conveying roller is rotatably connected between the sliders in the buffer mechanism.

As a preferable scheme of the utility model, the driven gear is meshed with the driving gear, and the pressure sensor and the squeeze roller are both positioned between the third support rods.

Compared with the prior art, the tension adjusting mechanism of the newspaper printing machine has the beneficial effects that: the pressing force of the squeeze roller to the newspaper is automatically regulated by the motor so as to prevent the newspaper from breaking due to overlarge tension; in addition, the spring can be matched with the sliding block to enable the second conveying roller to automatically adapt to the tension of the newspaper, so that the purpose of tension buffering is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the inventive embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only examples of the inventive embodiments of the present utility model, and that other drawings can be obtained according to these drawings without the need of inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model;

FIG. 2 is a schematic side view of an embodiment of the present utility model;

FIG. 3 is a schematic top view of an embodiment of the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: 1. a base; 2. a first support bar; 3. a first conveying roller; 4. a second support bar; 5. a buffer mechanism; 51. a chute; 52. a guide rod; 53. a slide block; 54. a through groove; 55. a spring; 6. a second conveying roller; 7. a third support bar; 8. a fixing plate; 9. a motor; 10. a drive gear; 11. a rotating lever; 12. a driven gear; 13. a connecting plate; 14. a squeeze roll; 15. a pressure sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the inventive embodiments of the present utility model more apparent, the inventive implementation routine will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present utility model.

In the description of the inventive embodiments, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the inventive embodiments and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the inventive embodiments.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly coupled, integrally coupled, or detachably coupled; may be a communication between the interiors of two elements; either directly or indirectly through intermediaries, the specific meaning of the terms in the inventive embodiments of the present utility model will be understood by those skilled in the art in the specific case.

Referring to fig. 1-4, the tensioning adjustment mechanism of the newspaper printing machine according to the embodiment of the utility model comprises a base 1, wherein one side of the base 1 is fixedly connected with symmetrically arranged first support rods 2, first conveying rollers 3 are rotatably connected between the first support rods 2, the other side of the base 1 is fixedly connected with symmetrically arranged second support rods 4, and buffer mechanisms 5 are fixedly arranged on the second support rods 4.

The second conveying roller 6 is rotationally connected between the buffer mechanisms 5, third supporting rods 7 which are symmetrically arranged are fixedly connected to the middle position of the base 1, a fixed plate 8 is fixedly connected to one of the third supporting rods 7, a motor 9 is fixedly arranged between one of the third supporting rods 7 and the fixed plate 8, a driving gear 10 is fixedly connected to the output end of the motor 9, a rotating rod 11 is rotationally connected between the third supporting rods 7, a driven gear 12 is fixedly connected to the rotating rod 11, connecting plates 13 which are symmetrically arranged are fixedly connected to the rotating rod 11, squeeze rollers 14 are fixedly connected between the connecting plates 13, and a pressure sensor 15 is fixedly arranged between the squeeze rollers 14.

Specifically, the buffer mechanism 5 includes a chute 51, a guide rod 52 symmetrically disposed is fixedly connected inside the chute 51, a slide block 53 is slidably connected inside the chute 51, a through groove 54 symmetrically disposed is fixedly disposed inside the slide block 53, and springs 55 symmetrically disposed are fixedly connected to the top and bottom ends of the slide block 53.

The sliding groove 51 is fixedly formed in the second supporting rod 4, the guide rods 52 are slidably connected with the sliding groove 51 on the sliding block 53, the top ends of the guide rods 52 movably penetrate through the hollow part of the spring 55 and the through groove 54 in the sliding block 53, and the guide rods 52 are convenient for fixing the moving direction of the sliding block 53 for up-and-down movement.

The second conveying roller 6 is rotatably connected between the sliding blocks 53 in the buffer mechanism 5, and the second conveying roller 6 is convenient for matching with the buffer mechanism 5 to automatically match with the tension suitable for newspapers.

The driven gear 12 is meshed with the driving gear 10, the pressure sensor 15 and the squeeze roller 14 are both positioned between the third support rods 7, and the pressure sensor 15 can sense the pressure of the squeeze roller 14 on the newspaper.

When the embodiment of the utility model is used, the output end of the motor 9 rotates to drive the driving gear 10 to rotate, the driving gear 10 drives the driven gear 12 and the rotating rod 11 to rotate, the rotating rod 11 rotates to drive the connecting plate 13 to rotate, and the connecting plate 13 drives the squeeze roller 14 to press the newspaper being conveyed to increase tension for the newspaper.

When the pressure sensor 15 recognizes that the tension is too high, the motor 9 is controlled to drive the squeeze roller 14 to slightly rotate upwards, so that the pressing force on the newspaper is reduced; meanwhile, the newspaper is in a tensioning state due to the pressing force, the second conveying roller 6 is driven to move downwards, when the second conveying roller 6 moves downwards, the sliding block 53 is driven to slide downwards in the sliding groove 51, the guide rod 52 guides the sliding block 53 to move, the sliding block 53 moves downwards to compress and shrink the spring 55, at the moment, the tension of the newspaper can be slowed down due to the downward movement of the second conveying roller 6, the tension of the newspaper can be effectively regulated through the process, and the newspaper is prevented from being broken due to overlarge tension.

While the basic principles of the present utility model have been shown and described, the foregoing is provided by way of illustration of a preferred embodiment of the utility model, and not by way of limitation, the foregoing embodiment and description are merely illustrative of the principles of the utility model, and any modifications, equivalents, improvements or modifications not within the spirit and scope of the utility model should be included within the scope of the utility model.

Claims (5)

1. A tensioning adjustment mechanism for a newspaper printing press, characterized by: including base (1), first bracing piece (2) that base (1) one side fixedly connected with symmetry set up, rotate between first bracing piece (2) and be connected with first conveying roller (3), opposite side fixedly connected with second bracing piece (4) that the symmetry set up on base (1), all be fixedly equipped with buffer gear (5) on second bracing piece (4), rotate between buffer gear (5) and be connected with second conveying roller (6), intermediate position department fixedly connected with third bracing piece (7) that the symmetry set up on base (1), one of them fixedly connected with fixed plate (8) on third bracing piece (7), one of them fixedly connected with motor (9) between third bracing piece (7) and the fixed plate (8), fixedly connected with driving gear (10) on motor (9) output, rotate between third bracing piece (7) and be connected with dwang (11), fixedly connected with driven gear (12) on dwang (11), be connected with connecting plate (13) that the symmetry set up on dwang (11), be connected with between connecting plate (14) fixed connection between squeeze roller (14).

2. The tension adjustment mechanism of a newspaper printing press as recited in claim 1 wherein: the buffering mechanism (5) comprises a sliding groove (51), a guide rod (52) which is symmetrically arranged is fixedly connected inside the sliding groove (51), a sliding block (53) is connected in the sliding groove (51), a through groove (54) which is symmetrically arranged is fixedly arranged in the sliding block (53), and springs (55) which are symmetrically arranged are fixedly connected to the top end and the bottom end of the sliding block (53).

3. The tension adjustment mechanism of a newspaper printing press as recited in claim 2 wherein: the sliding groove (51) is fixedly formed in the second supporting rod (4), the guide rods (52) are all in sliding connection with the sliding groove (51) in the sliding block (53), and the top ends of the guide rods (52) are all movably penetrated through the hollow part of the spring (55) and the through groove (54) in the sliding block (53).

4. The tension adjustment mechanism of a newspaper printing press as recited in claim 1 wherein: the second conveying roller (6) is rotatably connected between the sliding blocks (53) in the buffer mechanism (5).

5. The tension adjustment mechanism of a newspaper printing press as recited in claim 1 wherein: the driven gear (12) is connected with the driving gear (10) in a meshed mode, and the pressure sensor (15) and the squeeze roller (14) are both positioned between the third support rods (7).