CN218985740U

CN218985740U - Clamping mechanism for PE film

Info

Publication number: CN218985740U
Application number: CN202223036234.0U
Authority: CN
Inventors: 杨其芒
Original assignee: Jiangsu Ruizhijing Technology Co ltd
Current assignee: Jiangsu Ruizhijing Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-09
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to a clamping mechanism for PE films, which comprises an upper clamping frame and a lower clamping frame, wherein the upper clamping frame and the lower clamping frame comprise a plurality of metal frame strips which are connected with each other, a clamping space is defined between the upper clamping frame and the lower clamping frame, an upper supporting frame and a lower supporting frame are respectively arranged at two ends of the upper clamping frame and the lower clamping frame, a lifting cylinder and a lifting cylinder are connected to the lower supporting frame, a piston rod of the lifting cylinder penetrates through the lower supporting frame and then contacts with the upper supporting frame, the other end of the lifting cylinder is connected to a sliding block, the sliding block is slidably arranged on a horizontal rail, an unreeling roller and a shearing knife for placing the PE films are also arranged on the horizontal rail, the shearing knife is slidably connected to a transverse rod, and the transverse rod is parallel to the upper clamping frame; in the heating process, the PE film is always clamped between the upper clamping frame and the lower clamping frame, so that the PE film cannot fall off, and can be transported to an article after being heated, and the air cylinder is lifted to move up and down according to the height of the article, so that the film is conveniently covered.

Description

Clamping mechanism for PE film

Technical Field

The utility model relates to the technical field of PE film clamping, in particular to a PE film clamping mechanism.

Background

The clamping structure of the traditional PE film laminating machine adopts a vacuum suction mode to suck the PE film, then the PE film is heated, and finally the product is laminated; in the production process, the vacuum adsorption is easy to fall off due to the influence of a series of factors such as heating time, PE film air permeability and the like, the production efficiency is influenced after the film is fallen off, and the PE film cannot be reused after falling off to cause cost waste.

Disclosure of Invention

The utility model aims to provide a clamping mechanism for PE films, which solves the problem that PE films are easy to fall off when heated.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an upper clamping frame and a lower clamping frame, wherein the upper clamping frame and the lower clamping frame comprise a plurality of metal frame strips which are connected with each other, a clamping space is defined between the upper clamping frame and the lower clamping frame, an upper supporting frame and a lower supporting frame are respectively arranged at two ends of the upper clamping frame and the lower clamping frame, a lifting cylinder and a lifting cylinder are connected to the lower supporting frame, a piston rod of the lifting cylinder penetrates through the lower supporting frame and then contacts with the upper supporting frame, the other end of the lifting cylinder is connected to a sliding block, the sliding block is slidably arranged on a horizontal rail, an unreeling roller and a shearing knife for placing a PE film are further arranged on the horizontal rail, and the shearing knife is slidably connected to a transverse rod which is arranged in parallel with the upper clamping frame.

Preferably, threaded holes are formed in two ends of the metal frame strips on one side of the upper clamping frame and one side of the lower clamping frame, and screws are arranged in the threaded holes.

Preferably, the lower support frame is further provided with a positioning column, the upper support frame is provided with a positioning hole, and the positioning column extends into the positioning hole.

Preferably, the sliding block is further provided with a supporting plate, a limiting block is further arranged on the supporting plate, a limiting column capable of sliding is arranged in the limiting block, and one end of the limiting column is connected to the lower supporting frame.

Preferably, a cushion block is further arranged at the position of the upper support frame corresponding to the lifting cylinder piston rod.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model relates to a PE film clamping mechanism, which comprises an upper clamping frame and a lower clamping frame, wherein an upper supporting frame and a lower supporting frame are respectively arranged at two ends of the upper clamping frame and the lower clamping frame, a jacking cylinder and a lifting cylinder are connected to the lower supporting frame, a piston rod of the lifting cylinder penetrates through the lower supporting frame and then contacts with the upper supporting frame, the other end of the jacking cylinder is connected to a sliding block, the sliding block is slidably arranged on a horizontal track, a piston rod of the lifting cylinder jacks the upper clamping frame to jack up the upper clamping frame so as to facilitate the PE film to enter, a jacking cylinder is used for lifting and descending the whole upper clamping frame and the lower clamping frame, after jacking to a proper position, a unwinding roller is used for placing the PE film, the lifting cylinder descends after the PE film enters a clamping space, the upper clamping frame descends to clamp the PE film, a shearing knife cuts the PE film, the sliding block moves to a proper position to heat the PE film, and the PE film is always clamped by the upper clamping frame and the lower clamping frame in the heating process, so that the PE film cannot fall off.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a top view of a preferred embodiment of the present utility model;

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

fig. 3 is a front view of a preferred embodiment of the present utility model.

Wherein reference numerals are as follows:

11. an upper clamping frame; 12. an upper support frame; 13. a screw; 14. a cushion block;

21. a lower clamping frame; 22. a lower support frame; 23. jacking the air cylinder; 24. a lifting cylinder; 25. positioning columns;

3. a slide block; 31. a support plate; 32. a limiting block; 33. a limit column;

4. a track; 5. an unreeling roller; 6. a shearing knife; 7. a transverse bar; 8. PE film.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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.

As shown in fig. 1 and 2, this example includes an upper clamping frame 11 and a lower clamping frame 21, where the upper clamping frame 11 and the lower clamping frame 21 include a plurality of metal frame strips connected with each other, and are connected end to form a rectangular structure, a clamping space is defined between the upper clamping frame 11 and the lower clamping frame 21, two ends of the upper clamping frame 11 and the lower clamping frame 21 are respectively provided with an upper support frame 12 and a lower support frame 22, a lifting cylinder 23 and a lifting cylinder 24 are connected to the lower support frame 22, the lifting cylinder 24 is arranged at two sides of the lifting cylinder 23, a piston rod of the lifting cylinder 24 penetrates through the lower support frame 22 and contacts with the upper support frame 12, when the lifting cylinder 24 acts, the upper clamping frame 11 can be lifted, and a piston rod of the lifting cylinder 23 is connected to the lower support frame 22, and the lifting cylinder 23 can lift the whole to drive the whole to lift and descend; the bottom of jacking cylinder 23 is connected on backup pad 31, backup pad 31 connects when slider 3, slider 3 slidable sets up on horizontal track 4, consequently slider 3 when sliding on horizontal track 4 can drive upper clamping frame 11 and lower clamping frame 21 and slide together, still be provided with stopper 32 on backup pad 31, be provided with slidable spacing post 33 in the stopper 32, the one end of spacing post 33 is connected on lower braced frame 22, the cooperation of stopper 32 and spacing post 33, firstly, limit the travel path of upper clamping frame 11 and lower clamping frame 21, secondly, prevent that lifting cylinder 24 from inefficacy, when whole landing, stopper 32 and spacing post 33 still support as far as possible, prevent unexpected emergence.

The horizontal track 4 is also provided with an unreeling roller 5 for placing the PE film and a shearing knife 6, the shearing knife 6 is slidably connected to the transverse rod 7, the transverse rod 7 is arranged in parallel with the upper clamping frame 11, after the PE film is discharged by the unreeling roller 5, a clamping space is formed, and the shearing knife 6 slides on the transverse rod 7 to cut off the PE film in parallel.

The two ends of the metal frame strips on one side of the upper clamping frame 11 and the lower clamping frame 21 are provided with threaded holes, the threaded holes are provided with screws 13, the transverse rods 7 of the upper clamping frame 11 and the lower clamping frame 21 are also provided with a plurality of threaded holes, so that the metal frame strips on one side can move on the transverse rods 7, the width of the PE film is enlarged or reduced, the PE film clamping device is suitable for PE films with different sizes, and when the PE film clamping device is fixed, the screws 13 penetrate into the metal frame strips on one side from the outer sides of the upper clamping frame 11 and the lower clamping frame 21, and the metal frame strips are fixed.

As shown in fig. 3, the lower support frame 22 is further provided with a positioning column 25, the upper support frame 12 is provided with a positioning hole, the positioning column 25 extends into the positioning hole, the positioning column 25 is used for ensuring that the upper clamping frame 11 is always within a limited range of the positioning hole and the positioning column 25 when the lifting cylinder 24 acts, meanwhile, a cushion block 14 is further arranged at a position of the upper support frame 12 corresponding to a piston rod of the lifting cylinder 24, and the cushion block 14 is used for preventing a slipping phenomenon when a piston rod of the lifting cylinder 24 is lifted, so that the lifting of the upper clamping frame 11 also has a slipping problem.

When the PE film laminating machine is specifically used, when the jacking cylinder 23 jacks the whole clamping frame to a proper height, the lifting cylinder 24 jacks the upper clamping frame 11, the clamping space is opened, then the unreeling roller 5 is used for discharging, the upper clamping frame 11 descends after the PE film extends to the clamping space, the PE film is clamped, then the shearing knife 6 acts to shear the PE film, then the sliding block 3 acts, the PE film moves to a heating position, at the moment, the jacking cylinder 23 works randomly according to the height of the heating position, and after the heating is completed, the PE film moves to a product with the film to be laminated.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a press from both sides and get mechanism for PE membrane, includes clamp frame and lower clamp frame, it includes many interconnect's metal frame strip to go up clamp frame and lower clamp frame, go up and inject the centre gripping space between clamp frame and the lower clamp frame, its characterized in that, go up clamp frame and lower clamp frame's both ends are provided with braced frame and braced frame down respectively, be connected with jacking cylinder and lift cylinder on the braced frame down, the lift cylinder piston rod runs through lower braced frame back and contacts with last braced frame, jacking cylinder's the other end is connected on the slider, slider slidable sets up on horizontal track, still be provided with unreeling roller and the shear knife of placing the PE membrane on the horizontal track, shear knife slidable connection is on the transverse bar, transverse bar and last clamp frame parallel arrangement.

2. The clamping mechanism for a PE film according to claim 1, wherein: screw holes are formed in two ends of the metal frame strips on one side of the upper clamping frame and one side of the lower clamping frame, and screws are arranged in the screw holes.

3. The clamping mechanism for a PE film according to claim 1, wherein: the lower support frame is further provided with a positioning column, the upper support frame is provided with a positioning hole, and the positioning column extends into the positioning hole.

4. The clamping mechanism for a PE film according to claim 1, wherein: still be provided with the backup pad on the slider, still be provided with the stopper in the backup pad, be provided with the spacing post of slidable in the stopper, the one end of spacing post is connected on lower braced frame.

5. The clamping mechanism for a PE film according to claim 1, wherein: and a cushion block is further arranged at the position of the upper support frame corresponding to the lifting cylinder piston rod.