CN219620459U

CN219620459U - Coiling equipment of adjustable tension's PET base film

Info

Publication number: CN219620459U
Application number: CN202320939495.9U
Authority: CN
Inventors: 秋泽民; 张文远; 俞国建; 朱晓明
Original assignee: Shaoxing Weiming Plastic Co ltd
Current assignee: Shaoxing Weiming Plastic Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-09-01
Anticipated expiration: 2033-04-24

Abstract

The utility model discloses a winding device of a PET (polyethylene terephthalate) base film with adjustable tension, which comprises a mounting frame, wherein the inner surface of the mounting frame is rotationally connected with a connecting rod, one end of the connecting rod is rotationally connected with a winding roller, one end of the connecting rod, which is far away from the winding roller, is rotationally connected with a tension roller, and the outer surface of the winding roller is provided with a position adjusting device.

Description

Coiling equipment of adjustable tension's PET base film

Technical Field

The utility model relates to the technical field of PET (polyethylene terephthalate) base film processing, in particular to a winding device for a PET base film with adjustable tension.

Background

The PET base film mainly refers to a film for packaging articles, and due to the good transparency and toughness, people often use the material when packaging goods.

In the prior art, electric control equipment such as a motor, a potentiometer and the like is often adopted to detect and control the tension in the production process of the PET base film.

However, in the practical use process, because the tension of the PET base films with different thicknesses is different when the PET base films are processed, people are often required to adjust the tension of the PET base films, but a large number of electric control devices are adopted to control the tension, so that the production cost of the equipment is higher, and meanwhile, when the PET base films are wound, the winding rollers with fixed lengths are required to additionally control the positions of the winding rollers when the winding operation is performed due to different widths of the PET base films with different types, so that the control process is complicated.

Disclosure of Invention

The utility model mainly aims to provide a coiling device for PET (polyethylene terephthalate) base films with adjustable tension, which solves the problem that the production cost of the device is high due to the fact that a large number of electric control devices are adopted for tension control in the background art.

In order to achieve the above purpose, the rolling equipment for the PET base film with the adjustable tension comprises a mounting frame, wherein the inner surface of the mounting frame is rotationally connected with a connecting rod, one end of the connecting rod is rotationally connected with a rolling roller, one end of the connecting rod, which is far away from the rolling roller, is rotationally connected with a tension roller, the outer surface of the mounting frame is provided with a tension adjusting device, and the outer surface of the rolling roller is provided with a position adjusting device;

the tension adjusting device comprises a rotary drum, the surface and the mounting bracket of rotary drum rotate to be connected, the extrados department fixedly connected with arc piece of rotary drum, the surface of arc piece is through spring elastic connection has the ring piece, the surface fixedly connected with fixture block of ring piece, the surface and the rotary drum sliding connection of fixture block, the internal surface fixedly connected with scroll spring of rotary drum, the one end fixedly connected with pivot of rotary drum is kept away from to the scroll spring, the surface and the mounting bracket of pivot rotate to be connected, the surface and the connecting rod fixed connection of pivot.

Preferably, the upper end of the inner surface of the mounting frame is provided with a through hole, and the center and the two ends of the connecting rod are provided with through holes.

Preferably, the mounting frame is provided with a plurality of groups of rectangular grooves near the clamping block, and the outer surface of the winding roller is provided with rectangular sliding grooves.

Preferably, a plurality of groups of triangular clamping grooves are formed in the rectangular sliding groove on the outer surface of the winding roller, and the inner surface of the rotary drum is hollow.

Preferably, a plurality of groups of rectangular sliding grooves are formed in the outer surface of the rotary drum, and the shape of the clamping block is the same as that of the rectangular groove on the outer surface of the mounting frame.

Preferably, the position adjusting device comprises a positioning block, and a plurality of groups of rectangular protrusions are arranged on the inner cambered surface of the positioning block.

Preferably, the intrados of locating piece department and wind-up roll sliding connection, the internal surface sliding connection of locating piece has the slider, the both sides of slider are all fixedly connected with stopper.

Preferably, the end part of the sliding block is contacted with an inserting block, the inserting block is elastically connected with a positioning block through a spring, and the lower end of the sliding block is provided with an inclined plane.

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

(1) When the winding device of the PET base film with the adjustable tension is used, when the winding roller is driven by an external motor to continuously rotate, a certain tension is formed between the PET base film and the tension roller, and when the tension is required to be adjusted, a ring block needs to be pushed to an arc block, at the moment, the ring block can drive a clamping block to be separated from a groove on the outer surface of the mounting frame, so that people can directly rotate the rotating drum, the elasticity of the spiral spring on the outer surface of the rotating drum is changed, at the moment, the rotating shaft is fixedly connected with a connecting rod, the tension of the tension roller is changed, and the device does not need to be controlled by an electric control device, so that the manufacturing cost is low.

(2) When the winding equipment for the PET base film with the adjustable tension is used, the PET base film waiting for winding passes through the tension roller and is connected to the outer surface of the winding roller, the sliding block can be used for extruding the inserting block below in a downward movement mode by extruding the sliding block, and the upper surface of the inserting block is set to be an inclined surface, so that the inserting block can be pushed to move towards the inside of the positioning block by the sliding block, and the positioning block can be pushed to slide on the outer surface of the winding roller at the moment, so that the position adjusting devices on the left side and the right side can form positioning on reels with different widths.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a tension adjusting device according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a position adjusting device according to the present utility model.

In the figure: 1. a mounting frame; 2. a tension adjusting device; 3. a position adjusting device; 4. a wind-up roll; 5. a tension roller; 6. a connecting rod; 201. a ring block; 202. an arc-shaped block; 203. a rotating shaft; 204. a rotating drum; 205. a spiral spring; 206. a clamping block; 301. a limiting block; 302. a slide block; 303. inserting blocks; 304. and (5) positioning blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a rolling equipment of adjustable tensile PET base film, includes mounting bracket 1, and mounting bracket 1's internal surface is connected with connecting rod 6 rotation, and connecting rod 6's one end is connected with wind-up roll 4 rotation, and connecting rod 6 keeps away from wind-up roll 4's one end and tension roller 5 rotation are connected, and mounting bracket 1's surface is provided with tension adjusting device 2, and wind-up roll 4's surface is provided with position adjusting device 3;

the tension adjusting device 2 comprises a rotary drum 204, the outer surface of the rotary drum 204 is rotationally connected with a mounting frame 1, the outer arc surface of the rotary drum 204 is fixedly connected with an arc-shaped block 202, the outer surface of the arc-shaped block 202 is elastically connected with a ring block 201 through a spring, the outer surface of the ring block 201 is fixedly connected with a clamping block 206, the outer surface of the clamping block 206 is slidably connected with the rotary drum 204, the inner surface of the rotary drum 204 is fixedly connected with a scroll spring 205, one end, far away from the rotary drum 204, of the scroll spring 205 is fixedly connected with a rotating shaft 203, the outer surface of the rotating shaft 203 is rotationally connected with the mounting frame 1, and the outer surface of the rotating shaft 203 is fixedly connected with a connecting rod 6.

In the embodiment of the utility model, the upper end of the inner surface of the mounting frame 1 is provided with the through holes, so that the connecting rod 6 can be rotationally connected with the mounting frame 1 through the shaft, the center and the two ends of the connecting rod 6 are respectively provided with the through holes, the mounting frame 1 is provided with a plurality of groups of rectangular grooves close to the clamping blocks 206, and the interval angles between the adjacent grooves are the same, so that people can observe the amplitude of tension adjustment according to the number of the grooves rotating the clamping blocks 206 when tension adjustment is performed, the outer surface of the winding roller 4 is provided with rectangular sliding grooves, the inside of the rectangular sliding grooves of the outer surface of the winding roller 4 is provided with a plurality of groups of triangular clamping grooves, so that the inserting block 303 can be pushed by a spring to be inserted into the clamping grooves, the position of the positioning block 304 is limited, the inner surface of the rotating cylinder 204 is hollow, the clamping blocks 206 can slide on the outer surface of the mounting frame 1, the clamping blocks 206 are enabled to be embedded into the rectangular grooves of the mounting frame 1, the inner cambered surfaces of the positioning block 304 are enabled to be embedded into the rectangular grooves, and the inner cambered surfaces of the positioning block 304 are enabled to be connected with the inner side of the sliding block 302, and the inner side of the sliding block 302 is enabled to be in contact with the inner side of the sliding block 302 when the inner side of the sliding block 302, and the inner side of the sliding block 302 is enabled to be contacted with the sliding block 302.

During operation (or in use), the PET base film to be wound passes through the tension roller 5 and is connected to the outer surface of the winding roller 4, at this time, the sliding block 302 can be enabled to be capable of extruding the inserting block 303 below by extruding the sliding block 302 to move downwards, at this time, the upper surface of the inserting block 303 is set to be an inclined plane, so that the inserting block 303 can be pushed to move towards the inside of the positioning block 304 by the sliding block 302, at this time, the positioning block 304 can be pushed to slide on the outer surface of the winding roller 4, and therefore, the position adjusting devices 3 on the left side and the right side can be positioned on reels with different widths.

Meanwhile, when the wind-up roll 4 is driven by an external motor to continuously rotate, the PET base film can be continuously extruded between the PET base film and the tension roll 5, so that certain tension can be generated on the surface of the PET base film, when the tension is required to be adjusted, the ring block 201 needs to be pushed to the arc block 202, at the moment, the ring block 201 can drive the clamping block 206 to be separated from the groove on the outer surface of the mounting frame 1, so that people can directly rotate the rotating drum 204, the elasticity of the spiral spring 205 between the rotating drum 204 and the rotating shaft 203 is changed, at the moment, the rotating shaft 203 is fixedly connected with the connecting rod 6, so that the tension at the tension roll 5 is changed, and the device does not need to be controlled by adopting electric control equipment additionally during tension adjustment, so that the manufacturing cost is lower.

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

1. The utility model provides a rolling equipment of adjustable tension size's PET base film, includes mounting bracket (1), its characterized in that: the novel winding machine is characterized in that a connecting rod (6) is rotationally connected to the inner surface of the mounting frame (1), a winding roller (4) is rotationally connected to one end of the connecting rod (6), a tension roller (5) is rotationally connected to one end of the connecting rod (6) away from the winding roller (4), a tension adjusting device (2) is arranged on the outer surface of the mounting frame (1), and a position adjusting device (3) is arranged on the outer surface of the winding roller (4);

tension adjusting device (2) are including rotary drum (204), the surface and the mounting bracket (1) of rotary drum (204) rotate to be connected, the extrados department fixedly connected with arc piece (202) of rotary drum (204), the surface of arc piece (202) is through spring elastic connection has ring piece (201), the surface fixedly connected with fixture block (206) of ring piece (201), the surface and the rotary drum (204) sliding connection of fixture block (206), the internal surface fixedly connected with scroll spring (205) of rotary drum (204), one end fixedly connected with pivot (203) of rotary drum (204) are kept away from to scroll spring (205), the surface and the mounting bracket (1) rotate to be connected of pivot (203), the surface and connecting rod (6) fixed connection of pivot (203).

2. The winding device for the PET base film with adjustable tension as set forth in claim 1, wherein: the upper end of the inner surface of the mounting frame (1) is provided with a through hole, and the center of the connecting rod (6) and the two ends are provided with through holes.

3. The winding device for the PET base film with adjustable tension as set forth in claim 1, wherein: the mounting frame (1) is provided with a plurality of groups of rectangular grooves close to the clamping blocks (206), and the outer surface of the winding roller (4) is provided with rectangular sliding grooves.

4. The winding device for the PET base film with adjustable tension as set forth in claim 1, wherein: the inner surface of the rotary drum (204) is hollow.

5. The winding device for the PET base film with adjustable tension as set forth in claim 1, wherein: the outer surface of the rotary drum (204) is provided with a plurality of groups of rectangular sliding grooves, and the shape of the clamping block (206) is the same as that of the rectangular groove on the outer surface of the mounting frame (1).

6. The winding device for the PET base film with adjustable tension as set forth in claim 1, wherein: the position adjusting device (3) comprises a positioning block (304), and a plurality of groups of rectangular bulges are arranged on the inner cambered surface of the positioning block (304).

7. The tension-adjustable winding device for PET base film as set forth in claim 6, wherein: the inner cambered surface of the positioning block (304) is in sliding connection with the winding roller (4), the inner surface of the positioning block (304) is in sliding connection with a sliding block (302), and two sides of the sliding block (302) are fixedly connected with limiting blocks (301).

8. The tension-adjustable winding device for PET base films according to claim 7, wherein: the end part of the sliding block (302) is contacted with an inserting block (303), the inserting block (303) is elastically connected with a positioning block (304) through a spring, and the lower end of the sliding block (302) is provided with an inclined plane.