CN222273639U - Crease-resist device of polyurethane film - Google Patents

Abstract

The utility model discloses an anti-wrinkle device for a polyurethane film, comprising a support frame, a second connecting plate symmetrically and slidably connected inside the support frame, a tensioning roller rotatably connected between the two second connecting plates, a first connecting plate fixedly connected to the bottom of the second connecting plate, and a telescopic spring symmetrically and fixedly connected to the top of the first connecting plate. The beneficial effect achieved by the utility model is that the first connecting plate can drive the tensioning roller to move through the second connecting plate under the elastic force of the telescopic spring, so that the tensioning roller can always provide a suitable tension to the film, and the operation does not need to be performed manually, thereby ensuring that the film is always in a tensioned state, thereby improving the practicality of the device.

Description

Crease-resist device of polyurethane film

Technical Field

The utility model relates to the technical field of film production, in particular to a crease-resistant device for a polyurethane film.

Background

The film blowing means that plastic particles are heated, melted and blown into a film, and then a sheet film finished product with a two-layer structure is obtained after passing through a herringbone plate, and the existing film blowing machine comprises an extruder, a film head, a wind ring, a calendaring roller, a traction roller, a wind-up roller and the like. During the conveying process of the film, the surface of the film is easy to be wrinkled and uneven. When using cutting machine, rolling machine and other machinery, when handling the film that appears fold and unevenness phenomenon, damage the film very easily, can make the film not neat in both ends when the wind-up roll carries out the rolling simultaneously, cause the film fold, influence the quality and the outward appearance of the final film product of lapping. The prior patent with the application number of CN201921112610.5 provides a polyurethane film crease-resist device. Including first smooth mechanism and second smooth mechanism, first smooth mechanism and second smooth mechanism structure the same and the symmetry sets up in coiling mechanism's left and right sides, first smooth mechanism and second smooth mechanism all include the chassis, it has first cylinder and the second cylinder that the symmetry set up to slide on the chassis, be provided with fixed connection pole between first cylinder and the second cylinder, the equal fixedly connected with arc of telescopic link end of first cylinder and second cylinder smoothes the claw, the front and back both ends symmetry on chassis is provided with third cylinder and fourth cylinder, the equal fixedly connected with push pedal of telescopic link end of third cylinder and fourth cylinder, the push pedal and the first cylinder fixed connection that are located on the third cylinder telescopic link, the push pedal and the second cylinder fixed connection that are located on the fourth cylinder telescopic link. Avoiding the folds and unevenness of the film and ensuring the quality and appearance of the film. The device in above-mentioned patent is in the use, is difficult to according to the quality of film, adjusts the control to film self rate of tension, can lead to the film to take place the deformation crushing condition because of the rolling in-process at accomodating because of tensile dynamics is too big, has reduced the practicality of device, consequently provides a polyurethane film's crease-resist device for solve above-mentioned problem.

Disclosure of utility model

The utility model aims to provide a crease-resist device for a polyurethane film, which aims to solve the problems that in the prior art, the device is difficult to adjust and control the tension of the film according to the quality of the film in the using process, and the film is deformed and broken due to winding in the accommodating process because of overlarge stretching force, so that the practicability of the device is reduced.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model provides a crease-resist device for a polyurethane film, which comprises a support frame, wherein second connecting plates are symmetrically and slidingly connected in the support frame, a tightening roller is rotatably connected between the two second connecting plates, a first connecting plate is fixedly connected to the bottom of the second connecting plate, and telescopic springs are symmetrically and fixedly connected to the top of the first connecting plate.

The polyurethane film end is wound from the upper part of the driving roller and then wound from the lower part of the tightening roller, and finally connected with the winding roller, the servo motor is started to drive the rotating shaft to rotate, the rotating shaft drives the winding roller to rotate so as to realize winding operation of the polyurethane film, the first connecting plate drives the second connecting plate to move under the elastic force of the telescopic spring in the winding process of the polyester film, the second connecting plate drives the tightening roller to move downwards, the tightening roller can always provide proper tension for the film, the operation is unnecessary to be performed manually, the film is ensured to be always in a tensioning state, wrinkles are effectively prevented from being generated during winding of the polyurethane film, the winding quality of the polyurethane film is improved, the rotating turntable drives the rotating rod to rotate, the rotating rod drives the first bevel gear to rotate, the threaded rod is driven to rotate under the action of the first bevel gear and the second bevel gear, and the threaded rod drives the cleaning plate to move to clean the outer side of the film through the moving rod, and the practicability of the device is improved.

As a preferable scheme of the utility model, the top of the supporting frame is fixedly connected with a first vertical plate and a second vertical plate, and a driving roller is rotatably connected between the first vertical plate and the second vertical plate.

The end part of the polyurethane film is wound around the upper part of the driving roller, then wound around the lower part of the jacking roller, and finally connected with the winding roller.

As a preferable scheme of the utility model, a servo motor is fixedly connected to the outer side of the second vertical plate, a rotating shaft is rotatably connected between the first vertical plate and the second vertical plate, a wind-up roller is fixedly connected to the outer side of the rotating shaft, and the output end of the servo motor is fixedly connected with the rotating shaft.

And starting the servo motor to drive the rotating shaft to rotate, and driving the wind-up roller to rotate by the rotating shaft to realize the winding work of the polyurethane film.

As a preferable scheme of the utility model, the inside of the supporting frame is rotatably connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a movable rod, and the top of the movable rod is fixedly connected with a cleaning plate.

The threaded rod pushes the cleaning plate to move through the moving rod to clean the outer side of the film.

As a preferable scheme of the utility model, the inside of the supporting frame is rotationally connected with a rotating rod, one end of the rotating rod is fixedly connected with a first bevel gear, the outer side of the threaded rod is fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the other end of the rotating rod is fixedly connected with a rotating disc.

The rotating turntable drives the rotating rod to rotate, the rotating rod drives the first bevel gear to rotate, and the threaded rod is driven to rotate under the action of the first bevel gear and the second bevel gear.

As a preferable scheme of the utility model, the inside of the supporting frame is equidistantly and slidingly connected with a limiting rod, the limiting rod is fixedly connected with the cleaning plate, and the bottom of the limiting rod is fixedly connected with the limiting plate.

The cleaning plate is conveniently limited, and the cleaning plate is prevented from shifting in the moving process.

The device has the beneficial effects that through the arrangement of the telescopic spring, the second connecting plate and the tightening roller, the first connecting plate can drive the tightening roller to move through the second connecting plate under the elastic force of the telescopic spring, so that the tightening roller can always provide proper tension for the film, the operation is not needed to be performed manually, the film is ensured to be always in a tensioning state, and the practicability of the device is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic view of the internal perspective structure of the present utility model;

FIG. 3 is a schematic perspective view of a movable rod according to the present utility model;

FIG. 4 is a schematic perspective view of a pinch roller in accordance with the present utility model;

fig. 5 is a schematic perspective view of a cleaning plate according to the present utility model.

The device comprises a supporting frame 1, a first vertical plate 2, a second vertical plate 3, a servo motor 5, a first connecting plate 6, a winding roller 7, a driving roller 8, a second connecting plate 9, a rotating shaft 10, a pushing roller 11, a limiting rod 12, a limiting plate 13, a cleaning plate 14, a rotating rod 15, a rotating disc 16, a moving rod 17, a first bevel gear 18, a second bevel gear 19, a threaded rod 20 and a telescopic spring.

Detailed Description

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 to 5, the utility model provides a crease-resist device for polyurethane films, which comprises a support frame 1, wherein second connecting plates 8 are symmetrically and slidingly connected in the support frame 1, a tightening roller 10 is rotatably connected between the two second connecting plates 8, a first connecting plate 5 is fixedly connected to the bottom of the second connecting plate 8, and telescopic springs 20 are symmetrically and fixedly connected to the top of the first connecting plate 5.

It can be understood that the polyurethane film end is firstly wound around from the upper part of the driving roller 7 and then wound around from the lower part of the tightening roller 10, and finally connected with the winding roller 6, the servo motor 4 is started to drive the rotating shaft 9 to rotate, the rotating shaft 9 drives the winding roller 6 to rotate so as to realize winding of the polyurethane film, in the winding process of the polyester film, the first connecting plate 5 drives the second connecting plate 8 to move under the elastic action of the telescopic spring 20, the second connecting plate 8 drives the tightening roller 10 to move downwards, the tightening roller 10 can always provide proper tension for the film, the operation is unnecessary to be performed manually, the film is ensured to be always in a tensioning state, wrinkles are effectively prevented from being generated during winding of the polyurethane film, the winding quality of the polyurethane film is improved, the rotating turntable 15 drives the rotating rod 14 to rotate, the rotating rod 14 drives the first bevel gear 17 to rotate, the threaded rod 19 is driven to rotate under the action of the first bevel gear 17 and the second bevel gear 18, and the threaded rod 19 drives the cleaning plate 13 to move through the moving rod 16 to clear the outer side of the film, and the practicability of the device is improved.

Further, the top fixedly connected with first riser 2 and second riser 3 of support frame 1 rotates between first riser 2 and the second riser 3 and is connected with driving running roller 7.

It can be understood that the polyurethane film end is wound around the upper part of the driving roller 7, then wound around the lower part of the tightening roller 10, and finally connected with the wind-up roller 6.

Further, servo motor 4 is fixedly connected with in the outside of second riser 3, rotates between first riser 2 and the second riser 3 and is connected with pivot 9, and the outside fixedly connected with wind-up roll 6 of pivot 9, servo motor 4's output and pivot 9 fixed connection.

It can be understood that starting the servo motor 4 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the wind-up roller 6 to rotate so as to realize the winding work of the polyurethane film.

Further, the inside rotation of support frame 1 is connected with threaded rod 19, and the outside threaded connection of threaded rod 19 has movable rod 16, and the top of movable rod 16 is fixedly connected with cleaning plate 13.

It will be appreciated that the threaded rod 19 moves the cleaning plate 13 by the moving rod 16 to clean the outside of the film.

Further, the inside rotation of support frame 1 is connected with bull stick 14, and the one end fixedly connected with first bevel gear 17 of bull stick 14, the outside fixedly connected with second bevel gear 18 of threaded rod 19, second bevel gear 18 and first bevel gear 17 meshing are connected, and the other end fixedly connected with carousel 15 of bull stick 14.

It can be appreciated that the rotating turntable 15 drives the rotating rod 14 to rotate, the rotating rod 14 drives the first bevel gear 17 to rotate, and the threaded rod 19 is driven to rotate under the action of the first bevel gear 17 and the second bevel gear 18.

Further, the inside equidistance sliding connection of support frame 1 has gag lever post 11, gag lever post 11 and clean board 13 fixed connection, and the bottom fixedly connected with limiting plate 12 of gag lever post 11.

It will be appreciated that the cleaning plate 13 is conveniently restrained against shifting during movement of the cleaning plate 13.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying 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 present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and may be a communication between two elements or an interaction relationship between two elements, unless explicitly specified otherwise, and it will be understood by those of ordinary skill in the art that the above terms are in specific terms of the present utility model as appropriate.

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. The crease-resist device for the polyurethane film comprises a supporting frame (1) and is characterized in that second connecting plates (8) are symmetrically and slidingly connected in the supporting frame (1), a tightening roller (10) is rotatably connected between the two second connecting plates (8), a first connecting plate (5) is fixedly connected to the bottom of each second connecting plate (8), and telescopic springs (20) are symmetrically and fixedly connected to the tops of the first connecting plates (5).

2. The crease-resist device of the polyurethane film of claim 1, wherein a first vertical plate (2) and a second vertical plate (3) are fixedly connected to the top of the supporting frame (1), and a driving roller (7) is rotatably connected between the first vertical plate (2) and the second vertical plate (3).

3. The crease-resist device of polyurethane film of claim 2, wherein servo motor (4) is fixedly connected to the outside of second riser (3), rotate between first riser (2) and second riser (3) and be connected with pivot (9), the outside fixedly connected with wind-up roll (6) of pivot (9), the output and the pivot (9) fixed connection of servo motor (4).

4. The crease-resist device of the polyurethane film according to claim 1, wherein a threaded rod (19) is rotatably connected to the inside of the supporting frame (1), a moving rod (16) is connected to the outer side of the threaded rod (19) in a threaded manner, and a cleaning plate (13) is fixedly connected to the top of the moving rod (16).

5. The wrinkle resistant device of polyurethane film as set forth in claim 4, wherein the inside of the supporting frame (1) is rotatably connected with a rotating rod (14), one end of the rotating rod (14) is fixedly connected with a first bevel gear (17), the outer side of the threaded rod (19) is fixedly connected with a second bevel gear (18), the second bevel gear (18) is meshed with the first bevel gear (17), and the other end of the rotating rod (14) is fixedly connected with a rotary table (15).

6. The wrinkle preventing device for the polyurethane film according to claim 5, wherein a limiting rod (11) is connected with the inside of the supporting frame (1) in an equidistant sliding mode, the limiting rod (11) is fixedly connected with the cleaning plate (13), and a limiting plate (12) is fixedly connected with the bottom of the limiting rod (11).