CN220115849U - Automatic constant tension tensioning device for felt of plate making machine - Google Patents

Abstract

The utility model discloses a constant tension automatic tensioning device for a felt of a plate making machine, which comprises a tensioning roller, wherein the two ends of the tensioning roller are provided with sliding sleeves, the tensioning roller is lifted and regulated on a lifter through the sliding sleeves, the two ends of the tensioning roller are fixedly provided with a pair of clamping pieces through bolts, the clamping pieces are fixedly connected with the sliding sleeves through a plurality of first screws, the side wall of one clamping piece is fixedly provided with a pair of protruding blocks, the pair of protruding blocks are rotatably provided with a pressing rod through a rotating shaft, one end of the pressing rod is fixedly provided with a pressing roller, and the other end of the pressing rod is connected with the first screws through an elastic component, so that the pressing roller is driven to abut against the felt by the pressing rod after the elastic component is tensioned, and the felt is rectified. According to the utility model, the compression rollers are arranged on the two sides of the tensioning roller, so that the sides of the felt are tightly pressed on the surface of the tensioning roller, and the effect of flattening and centering is achieved, thereby avoiding the phenomenon that the felt is deviated on the tensioning roller to generate wrinkles in the tensioning process of adjusting the tensioning roller, and ensuring the quality of the plate.

Description

Automatic constant tension tensioning device for felt of plate making machine

Technical Field

The utility model relates to the field of plate making machines, in particular to a constant tension automatic tensioning device for a felt of a plate making machine.

Background

At present, when the felt of the plate making machine is used for the first time and along with the increase of the service time, the felt can be stretched to different degrees, and when the felt is too loose, if the felt is not tensioned in time, the production quality of a product can be influenced, and even normal production cannot be realized.

The existing felt tensioning is mainly achieved through two modes of manual tensioning and automatic tensioning. When tensioning is adjusted, the felt is stretched when the tensioning is overlarge, so that the felt deforms, the position of the felt on the tensioning roller is deviated, the felt is easily wrinkled, and the quality of the plate is affected.

Disclosure of Invention

The utility model aims to provide a constant-tension automatic tensioning device for a felt of a plate making machine, which aims to solve the problem that the felt is deviated and wrinkled when the plate making machine is too tensioned in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a permanent tension automatic tensioning device of board making machine felt, includes the tensioning roller of sliding sleeve is installed at both ends, and the tensioning roller passes through the sliding sleeve and goes up and down on the lift to adjust felt tensioning force, the both ends of tensioning roller pass through the bolt fastening and be provided with a pair of clamping piece, the clamping piece with through a plurality of first screw rod fixed connection between the sliding sleeve, one of them fixed mounting has a pair of lug on the lateral wall of clamping piece, a pair of install the depression bar through the pivot rotation on the lug, the one end fixed mounting of depression bar has the compression roller, the other end pass through elastic component with first screw rod is connected to cooperation depression bar drives compression roller and felt conflict and rectifies the felt after making elastic component taut.

Preferably, a fixing plate is fixedly arranged on one side of the sliding sleeve, lug blocks are fixedly arranged at the horizontal section positions of the clamping pieces, and the first screw rod penetrates through the lug blocks and the fixing plate and is fixedly connected with the fixing plate through a first nut.

Preferably, the compression bar is of a Y-shaped structure, a third screw is fixedly arranged on one side of the compression bar, and a pair of second nuts are fixedly arranged on the third screw.

Preferably, a third nut is mounted on one of the first screws, and the third nut and the ear block form a containing groove for containing the elastic member.

Preferably, the elastic member is a tension spring.

Preferably, a mounting hole is formed in one end of the pressure rod, a second screw rod is rotatably sleeved on one side of the pressure roller, and the end portion of the second screw rod penetrates through the mounting hole and is mounted on the pressure rod in a fastening mode through a fourth nut.

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

according to the utility model, the compression rollers are arranged on the two sides of the tensioning roller, so that the sides of the felt are tightly pressed on the surface of the tensioning roller, and the effect of flattening and centering is achieved, thereby avoiding the phenomenon that the felt is deviated on the tensioning roller to generate wrinkles in the tensioning process of adjusting the tensioning roller, and ensuring the quality of the plate.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic diagram of a front view of the present utility model;

FIG. 3 is a partially enlarged perspective view of the present utility model;

FIG. 4 is a schematic view of an assembled three-dimensional structure of a clamping piece and a compression roller according to the utility model;

fig. 5 is a schematic perspective view of the assembly of the clamping piece and the pressing roller.

In the figure: 1. a lifter; 2. a tension roller; 3. a sliding sleeve; 4. a press roller; 5. a first screw; 6. a clamping piece; 7. a compression bar; 8. a second screw; 9. a fixing plate; 10. a tension spring; 11. a bump; 12. and a third screw.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model relates to a constant tension automatic tensioning device for a felt of a plate making machine, which comprises a tensioning roller 2, wherein sliding sleeves 3 are arranged at two ends of the tensioning roller 2, the tensioning roller 2 is used for lifting and adjusting the tension of the felt on a lifter 1 through the sliding sleeves 3.

In one case of this embodiment, please refer to fig. 3-5, the compression bar 7 is in a Y-shaped structure, one side of the compression bar 7 is fixedly provided with a third screw 12, a pair of second nuts are fixedly installed on the third screw 12, one of the first screws 5 is provided with the third nut, the third nut and the ear block form a containing groove for containing an elastic member, the elastic member is a tension spring 10, two ends of the tension spring 10 are respectively hooked between the containing groove and the pair of second nuts, one end of the compression bar 7 is provided with a mounting hole, one side of the compression bar 4 is rotatably sleeved with the second screw 8, and the end of the second screw 8 penetrates through the mounting hole and is fixedly installed on the compression bar 7 through the fourth nut.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. A permanent tension automatic tensioning device of board machine felt, its characterized in that: including tensioning roller (2) that sliding sleeve (3) are installed at both ends, tensioning roller (2) are through sliding sleeve (3) on lift (1) lift regulation felt tensioning force, the both ends of tensioning roller (2) are provided with a pair of clamping piece (6) through the bolt fastening, clamping piece (6) with through a plurality of first screw rod (5) fixed connection between sliding sleeve (3), one of them fixed mounting has a pair of lug (11) on the lateral wall of clamping piece (6), a pair of install depression bar (7) through the pivot rotation on lug (11), the one end fixed mounting of depression bar (7) have compression roller (4), the other end pass through elastic component with first screw rod (5) are connected to cooperation depression bar (7) drive compression roller (4) and felt and rectify the felt after making the elastic component taut.

2. The automatic constant tension tensioning device for a piece of board making machine felt according to claim 1, wherein: one side of the sliding sleeve (3) is fixedly provided with a fixing plate (9), the horizontal section positions of the clamping pieces (6) are fixedly provided with lug blocks, and the first screw rods (5) penetrate through the lug blocks and the fixing plate (9) and are fixedly connected through first nuts.

3. The automatic constant tension tensioning device for a piece of board making machine felt according to claim 1, wherein: the compression bar (7) is of a Y-shaped structure, a third screw (12) is fixedly arranged on one side of the compression bar (7), and a pair of second nuts are fixedly arranged on the third screw (12).

4. The automatic constant tension tensioning device for a piece of board making machine felt according to claim 2, wherein: and one of the first screw rods (5) is provided with a third nut, and the third nut and the lug form a containing groove for containing the elastic component.

5. The automatic constant tension tensioning device for a piece of board making machine felt according to claim 4, wherein: the elastic component is a tension spring (10).

6. The automatic constant tension tensioning device for a piece of board making machine felt according to claim 1, wherein: one end of the compression bar (7) is provided with a mounting hole, one side of the compression roller (4) is rotatably sleeved with a second screw rod (8), and the end part of the second screw rod (8) penetrates through the mounting hole and is fixedly mounted on the compression bar (7) through a fourth nut.