CN221232960U - Film pressing equipment - Google Patents

Abstract

The utility model discloses film pressing equipment, which belongs to the technical field of film production equipment and comprises a frame, a film pressing device, a first roll shaft and a first roll shaft bracket, wherein the film pressing device is arranged on the frame and is used for pressing an input cylindrical film into a strip film; the first roll shaft frame is fixedly arranged on the frame; the first roll shaft is arranged on the first roll shaft frame and can rotate around the axis of the first roll shaft, and the first roll shaft is used for receiving the strip-shaped film output from the film pressing device; still include heat sink, heat sink includes the mount, and the first side rotation of mount sets up in the frame and the second side peg graft has the fan, and the mount can rotate in order to make the air outlet of fan aim at in banded film. The film pressing equipment provided by the utility model cools the strip-shaped film just pressed by using air cooling through arranging the fan, thereby being beneficial to film shaping.

Description

Film pressing equipment

Technical Field

The utility model belongs to the technical field of film production equipment, and particularly relates to film pressing equipment.

Background

The production process of plastic films generally includes blowing, rolling and winding, firstly, inputting the plastic in a molten state into a film blowing machine, blowing the plastic into a tubular film by the film blowing machine, then rolling the tubular film into a strip-shaped film, and finally winding the strip-shaped film into a coiled material.

In actual production, a cylindrical film is generally pressed into a strip film by using rolling equipment, and the working principle is as follows: the tubular film is blown from the plastic in a molten state, so that the blown tubular film still has residual temperature, and under the action of the residual temperature, the tubular film is pressed into a strip-shaped film by the rolling equipment through the pressure action (the residual temperature enables the film to have higher plasticity, the shape of the film can be changed by matching with the pressing, and the pressing aim is to enable the thickness of the film to be more uniform); and finally, winding the strip-shaped film into a coiled material, thereby completing the production.

However, the existing rolling equipment is not provided with a cooling device, and in the pressing process, the strip-shaped film is not cooled in time, so that the strip-shaped film still has residual temperature, the film is difficult to shape, the thickness of the pressed film cannot be maintained at higher uniformity, and the pressing effect is poor, so that the quality of a finished product is affected.

Accordingly, the prior art is subject to improvement and development.

Disclosure of utility model

The utility model aims to provide film pressing equipment, which is used for cooling a strip film just pressed by using air cooling through arranging a fan, so that the film shaping is facilitated, and the film thickness after being pressed can be ensured to be maintained at a higher uniformity.

In a first aspect, the present utility model provides a film pressing apparatus, including a frame, a film pressing device, a first roller shaft and a first roller shaft frame, where the film pressing device is installed on the frame and is used to press an input cylindrical film into a strip film; the first roll shaft frame is fixedly arranged on the frame; the first roll shaft is arranged on the first roll shaft frame and can rotate around the axis of the first roll shaft, and the first roll shaft is used for receiving the strip-shaped film output from the film pressing device; further comprises:

The cooling device comprises a fixing frame, wherein a fan is rotatably arranged on the first side of the fixing frame, a second side of the fixing frame is inserted into the fixing frame, and the fixing frame can rotate so that an air outlet of the fan is aligned with the strip-shaped film.

According to the film pressing equipment provided by the utility model, the fan is arranged, and the air cooling is utilized to timely radiate heat of the pressed strip-shaped film, so that the temperature of the strip-shaped film is reduced, the residual temperature remained in the strip-shaped film is eliminated, the film shaping is facilitated, the thickness distribution of the finished film is ensured to be uniform, and the quality of the finished film is further ensured.

Further, two clamping parts are fixedly arranged on the second side of the fixing frame, and the fan is inserted between the two clamping parts and clamped by the two clamping parts.

The fan is connected with the clamping part in a detachable connection mode, so that a user can conveniently disassemble and assemble the fan.

Furthermore, a filter screen is inserted between the two clamping parts, and the filter screen is clung to and covers the air inlet of the fan.

The filter screen is used for filtering impurities in the sucked air flow, so that the impurities are prevented from being blown onto the strip-shaped film, and the effect of ensuring the quality of the strip-shaped film is achieved.

Further, the film pressing device comprises two second roller frames, wherein the first ends of the two second roller frames are arranged on the frame in a sliding manner and can be mutually close to each other so that the two second roller frames are arranged in an inverted V shape; the two second roller frames are all rotatably provided with a plurality of second roller shafts, each second roller shaft can rotate around the axis of the second roller shaft, and the second roller shafts are used for pressing the tubular films passing through the two second roller frames into the strip-shaped films when the two second roller frames are arranged in an inverted V shape.

The second roll shaft frame is arranged on the frame in a sliding mode, tubular films with different thicknesses can be ensured to be pressed into strip-shaped films smoothly, and applicability of the film pressing equipment to the tubular films with different thicknesses is greatly improved.

Further, two telescopic mechanisms are arranged on the frame, the telescopic ends of each telescopic mechanism are fixedly connected with the first ends of the second roller frames respectively, and the two telescopic mechanisms are used for driving the first ends of the two second roller frames to be close to or far away from each other.

Further, the telescopic mechanism comprises a screw rod which is in threaded connection with the frame, and one end of the screw rod is fixedly connected with the first end of the second roller shaft frame.

Further, a hand wheel is fixedly arranged at the other end of the screw rod.

Further, a gear is arranged at the bottom of the frame, and a rotating shaft extending along the up-down direction is arranged at the top of the frame; the gear and the rotating shaft are coaxially arranged;

The film pressing device further includes:

the driving device is connected with the gear in a meshed manner and is used for driving the rack to rotate around the axis of the rotating shaft;

The third roller shaft frame is rotatably arranged on the rotating shaft and can independently rotate around the axis of the rotating shaft relative to the frame;

the third roller shaft is rotatably arranged on the third roller shaft frame and can rotate around the axis of the third roller shaft, and the third roller shaft is positioned above the film pressing device and is used for receiving the strip-shaped film output from the first roller shaft;

The fourth roller shaft frame is rotatably arranged on the rotating shaft and can rotate independently around the axis of the rotating shaft relative to the frame and the third roller shaft frame;

And the fourth roll shaft is rotatably arranged on the fourth roll shaft frame and can rotate around the axis of the fourth roll shaft, and the fourth roll shaft is positioned above the third roll shaft and is used for receiving the strip-shaped film output from the third roll shaft.

Further, the method further comprises the following steps:

The fifth roller shaft frame is rotatably arranged on the rotating shaft and can rotate independently around the axis of the rotating shaft relative to the frame, the third roller shaft frame and the fourth roller shaft frame;

The fifth roll shaft is rotatably arranged on the fifth roll shaft frame and can rotate around the axis of the fifth roll shaft, and the fifth roll shaft is positioned between the third roll shaft and the fourth roll shaft; both ends of the fifth roll shaft are slidably arranged on the fifth roll shaft frame and can move along the up-down direction;

The sixth roll shaft is rotatably arranged on the fifth roll shaft frame and can rotate around the axis of the sixth roll shaft, and the sixth roll shaft is positioned between the third roll shaft and the fourth roll shaft; both ends of the sixth roll shaft are slidably arranged on the fifth roll shaft frame and can move along the front-back direction.

Further, a first chute extending in the up-down direction and a second chute extending in the front-back direction are arranged on the fifth roller shaft frame, and two ends of the fifth roller shaft are slidably arranged on the first chute and can be fastened on the fifth roller shaft frame through a first locking screw; the two ends of the sixth roll shaft are slidably arranged on the second sliding groove and can be fastened on the fifth roll shaft frame through a second locking screw.

Therefore, the film pressing equipment provided by the utility model has the advantages that the fan is arranged, the air cooling is utilized in the pressing process to cool the strip-shaped film, so that the residual temperature in the strip-shaped film is removed, the shape of the film is prevented from changing again, the film shaping is ensured, the film thickness after being pressed is ensured to be maintained at a higher uniformity, and the quality of a finished product is ensured.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

Fig. 1 is a schematic structural diagram of a film laminating apparatus according to an embodiment of the present utility model under a first view angle.

Fig. 2 is a schematic structural diagram of a film pressing apparatus according to an embodiment of the present utility model under a second view angle.

Fig. 3 is a schematic structural diagram of a film pressing apparatus according to an embodiment of the present utility model under a third view angle.

Fig. 4 is a schematic view of a partial structure denoted by a in fig. 3.

FIG. 5 is a partial exploded view of a cooling device according to an embodiment of the present utility model.

Description of the reference numerals:

100. A frame; 210. a first roller shaft; 220. a first roller frame; 310. a fixing frame; 320. a fan; 330. a clamping part; 340. a filter screen; 410. a second roller frame; 420. a second roller shaft; 510. a screw; 520. a hand wheel; 600. a driving device; 710. a third roller frame; 720. a third roller shaft; 810. a fourth roller frame; 820. a fourth roller shaft; 910. a fifth roller frame; 911. a first chute; 912. a second chute; 920. a fifth roller shaft; 930. and a sixth roll shaft.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations 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 device or element 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," 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. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The "front-rear direction" and the "up-down direction" described below are referred to by the arrows labeled in fig. 1, wherein the front-rear direction is perpendicular to both the longitudinal direction and the up-down direction of the sixth roller shaft 930.

Referring to fig. 1, 2 and 3, a film pressing apparatus of the present utility model includes a frame 100, a film pressing device mounted on the frame 100 for pressing an input cylindrical film into a band-shaped film, a first roller shaft 210 and a first roller shaft frame 220; the first roller frame 220 is fixedly disposed on the frame 100; the first roller shaft 210 is mounted on the first roller frame 220 and is rotatable about its own axis, the first roller shaft 210 being for receiving the band-shaped film output from the film pressing device; further comprises:

The cooling device comprises a fixing frame 310, wherein a first side of the fixing frame 310 is rotatably arranged on the frame 100, a fan 320 is inserted into a second side of the fixing frame, and the fixing frame 310 can rotate to enable an air outlet of the fan 320 to be aligned with the strip-shaped film.

In this embodiment, the cylindrical film is pressed into the strip film by the film pressing device and then continuously pressed by the first roller 210, and at this time, the fan 320 is arranged to dissipate heat of the strip film by air cooling, so as to eliminate the residual temperature of the strip film in the pressing process, avoid the shape of the strip film from changing again, and facilitate ensuring that the film maintains the shape, ensure that the thickness of the pressed film can be maintained at a higher uniformity, achieve the required pressing effect, and ensure the quality of the final product.

It should be noted that the strip film is continuously pressed by a plurality of rollers (see below), which can make the thickness distribution of the film more uniform, and the film is gradually cooled by air cooling after pressing, and finally the film is shaped and the thickness of the film is maintained at higher uniformity.

Further, the fixing frame 310 is rotatably arranged on the frame 100, and a user can change the angle of the fan 320 by rotating the fixing frame 310, so that the air outlet of the fan 320 is aligned to the strip-shaped film, and air flow can uniformly flow to the strip-shaped film, so that the temperature of each part of the strip-shaped film can be uniformly reduced, and the situation that the strip-shaped film locally contracts to different degrees due to overlarge local temperature difference is avoided, and further the strip-shaped film locally deforms to different degrees is caused.

In some embodiments, referring to fig. 2, 3 and 5, the second side of the fixing frame 310 is fixedly provided with two clamping portions 330, and the fan 320 is inserted between the two clamping portions 330 and clamped by the two clamping portions 330.

In this embodiment, the fan 320 is inserted between the two clamping portions 330 through a detachable connection manner, the clamping portions 330 play a role in positioning the fan 320, and a user can more conveniently complete the disassembly and assembly of the fan 320, which is beneficial to overhauling or replacing the fan 320.

In some embodiments, referring to fig. 2, 3 and 5, a filter screen 340 is inserted between the two clamping portions 330, and the filter screen 340 is closely attached to and covers the air inlet of the fan 320.

In practical application, the strip film is transported from bottom to top to the top of the film pressing device step by step through the multi-stage roll shafts, and finally is transported from the top of the film pressing device to the winding device, because the cylindrical film is pressed into the strip film and then transported through the first roll shaft 210, the first roll shaft 210 belongs to the first-stage roll shaft, is close to the bottom of the film pressing device, and is limited by the structure of the upper roll shaft, in order to facilitate maintenance of the cooling device, the cooling device is also arranged below the first roll shaft 210, and this also results in the fan 320 being closer to the ground, when the fan 320 is started to radiate heat to the strip film, dust on the ground is likely to be sucked up and blown onto the strip film along with the airflow, so that the quality of the strip film is affected.

In certain embodiments, referring to fig. 1, 2 and 3, the film pressing device includes two second roller frames 410, wherein first ends of the two second roller frames 410 are slidably disposed on the frame 100 and can approach each other so that the two second roller frames 410 are disposed in an inverted V shape; the two second roll holders 410 are each rotatably provided with a plurality of second roll shafts 420, each of the second roll shafts 420 being rotatable about its own axis, the second roll shafts 420 being for pressing a tubular film passing through the two second roll holders 410 into a band-shaped film when the two second roll holders 410 are arranged in an inverted "V" shape.

In this embodiment, when the tubular film passes through the two second roll holders 410, the tubular film is input from the second ends of the two second roll holders 410 due to the V-shaped arrangement of the two second roll holders 410, gradually becomes flat with the transmission process under the compression of the second roll shaft 420, and finally is pressed into a strip film when passing out from the first ends of the two second roll holders 410;

Because the first ends of the second roller frames 410 are all slidably disposed on the frame 100, a user can change the distance between the first ends of the two second roller frames 410, thereby changing the limit degree of the cylindrical film, ensuring that the cylindrical film with different thickness can be smoothly pressed into a strip film, and greatly improving the applicability of the film pressing device to the cylindrical film with different thickness.

In some embodiments, referring to fig. 1, 2 and 3, two telescopic mechanisms are provided on the frame 100, and a telescopic end of each telescopic mechanism is fixedly connected to a first end of one second roller frame 410, and the two telescopic mechanisms are used for driving the first ends of the two second roller frames 410 to approach or separate from each other.

In this embodiment, the telescopic mechanism is convenient for the user to control the distance between the first ends of the two second roller frames 410, and can limit the positions of the first ends of the two second roller frames 410 after adjusting the distance, so as to avoid the change of the distance between the first ends of the two second roller frames 410 due to the action of external force, thereby affecting the pressing of the strip film.

In some embodiments, referring to fig. 1, 2 and 3, the telescopic mechanism includes a screw 510, where the screw 510 is screwed on the frame 100 and one end of the screw 510 is fixedly connected to the first end of the second roller frame 410, and the screw 510 has high precision, which is beneficial for a user to accurately control the distance between the first ends of the two second roller frames 410, so as to achieve the effect of accurately controlling the pressure of the second roller shaft 420 on the cylindrical film.

In some embodiments, referring to fig. 1, 2 and 3, the other end of the screw 510 is fixedly provided with a hand wheel 520, the hand wheel 520 being provided to enable a user to more easily manually adjust the distance between the first ends of the two second roller frames 410.

In some embodiments, referring to fig. 1, 2 and 3, the bottom of the frame 100 is provided with gears and the top is provided with a rotation shaft extending in the up-down direction; the gear is coaxially arranged with the rotating shaft;

the film pressing device further includes:

The driving device 600, the driving device 600 is connected with the gear in a meshing way and is used for driving the frame 100 to rotate around the axis of the rotating shaft;

The third roller frame 710, the third roller frame 710 is rotatably disposed on the rotating shaft and can rotate independently about the axis of the rotating shaft relative to the frame 100;

A third roller shaft 720 rotatably provided on the third roller frame 710 and rotatable about its own axis, the third roller shaft 720 being located above the film pressing means and adapted to receive the band-shaped film output from the first roller shaft 210;

The fourth roller frame 810, the fourth roller frame 810 is rotatably arranged on the rotating shaft and can rotate independently around the axis of the rotating shaft relative to the frame 100 and the third roller frame 710;

And a fourth roller 820 rotatably provided on the fourth roller frame 810 and rotatable about its own axis, the fourth roller 820 being positioned above the third roller 720 and for receiving the band-shaped film output from the third roller 720.

In this embodiment, when the frame 100 rotates, since the second roller frame 410 is disposed on the frame 100, the second roller 420 also rotates along with the frame 100, so as to apply pressure to the cylindrical film from different directions and different positions and press the cylindrical film into a strip film, which avoids that the pressure is always concentrated on the same position point, ensures that the film is pressed into a film with uniform thickness, and is beneficial to improving the quality of the film;

In addition, the multi-stage roll shafts (including the first, third and fourth roll shafts 210, 720 and 820, and the fifth and sixth roll shafts 920 and 930 hereinafter) are provided so that the first, third, fourth, fifth and sixth roll shafts 210, 720, 820, 920 and 930 can be rotated relative to each other or fixed to each other to form an included angle of more than 0 ° and less than 180 °, which also enables the various stages of roll shafts to apply pressures in different directions to different positions of the strip-shaped film, further improving uniformity of film thickness and ensuring flatness and wrinkle-free film surfaces.

In certain embodiments, referring to fig. 1, 2 and 3, the lamination apparatus further comprises:

A fifth roller frame 910, the fifth roller frame 910 being rotatably disposed on the rotation shaft and being capable of independently rotating about the axis of the rotation shaft with respect to the frame 100, the third roller frame 710, and the fourth roller frame 810;

A fifth roller shaft 920, the fifth roller shaft 920 being rotatably provided on the fifth roller shaft frame 910 and being rotatable about its own axis, the fifth roller shaft 920 being located between the third roller shaft 720 and the fourth roller shaft 820; both ends of the fifth roller shaft 920 are slidably provided on the fifth roller shaft frame 910 and can move in the up-down direction;

A sixth roller shaft 930, the sixth roller shaft 930 being rotatably provided on the fifth roller frame 910 and being rotatable about its own axis, the sixth roller shaft 930 being located between the third roller shaft 720 and the fourth roller shaft 820; both ends of the sixth roller shaft 930 are slidably provided on the fifth roller frame 910 and are movable in the front-rear direction.

In this embodiment, the user can change the tension on the band-shaped film by adjusting the positions of the fifth roller 920 and the sixth roller 930, thereby maintaining the initial state of the band-shaped film and preventing the film from being deformed due to the gravity of the film itself or other factors.

In some embodiments, referring to fig. 4, the fifth roller frame 910 is provided with a first sliding groove 911 extending in the up-down direction and a second sliding groove 912 extending in the front-rear direction, and both ends of the fifth roller 920 are slidably disposed on the first sliding groove 911 and can be fastened to the fifth roller frame 910 by a first locking screw; the both ends of the sixth roller 930 are slidably disposed on the second sliding groove 912 and can be fastened on the fifth roller frame 910 by the second locking screw, and the fifth roller 920 and the sixth roller 930 are controlled to slide by a simple structure using the principle of the sliding block and the sliding groove, and the positions of the fifth roller 920 and the sixth roller 930 are fixed by the locking screw after the positions are adjusted, so that the adjusting process is convenient and the operation is simple.

In the description of the present specification, reference to the terms "one embodiment," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (10)

1. A film pressing apparatus comprising a frame (100), a film pressing device, a first roller shaft (210) and a first roller shaft frame (220), wherein the film pressing device is mounted on the frame (100) and is used for pressing an input cylindrical film into a strip-shaped film; the first roller shaft bracket (220) is fixedly arranged on the frame (100); the first roll shaft (210) is mounted on the first roll shaft frame (220) and can rotate around the axis of the first roll shaft, and the first roll shaft (210) is used for receiving the strip-shaped film output from the film pressing device; characterized by further comprising:

The cooling device comprises a fixing frame (310), a fan (320) is rotatably arranged on the frame (100) at the first side of the fixing frame (310) and is inserted into the second side of the fixing frame, and the fixing frame (310) can rotate so that an air outlet of the fan (320) is aligned with the strip-shaped film.

2. The film pressing apparatus according to claim 1, wherein two clamping portions (330) are fixedly provided on the second side of the fixing frame (310), and the fan (320) is interposed between the two clamping portions (330) and clamped by the two clamping portions (330).

3. The film pressing device according to claim 2, wherein a filter screen (340) is inserted between the two clamping portions (330), and the filter screen (340) is closely attached to and covers the air inlet of the fan (320).

4. Film pressing device according to claim 1, characterized in that the film pressing means comprise two second roller frames (410), the first ends of the two second roller frames (410) being arranged slidingly on the frame (100) and being able to approach each other so that the two second roller frames (410) are arranged in an inverted "V" shape; the two second roller frames (410) are respectively provided with a plurality of second roller shafts (420) in a rotating mode, each second roller shaft (420) can rotate around the axis of the second roller shaft, and the second roller shafts (420) are used for pressing cylindrical films passing through the two second roller frames (410) into strip-shaped films when the two second roller frames (410) are arranged in an inverted V shape.

5. Film pressing equipment according to claim 4, wherein two telescopic mechanisms are arranged on the frame (100), the telescopic end of each telescopic mechanism is fixedly connected with the first end of one second roller frame (410), and the two telescopic mechanisms are used for driving the first ends of the two second roller frames (410) to be close to or far away from each other.

6. The film pressing apparatus according to claim 5, wherein the telescopic mechanism includes a screw (510), the screw (510) being screwed on the frame (100) and one end being fixedly connected with the first end of the second roller frame (410).

7. Film pressing device according to claim 6, characterized in that the other end of the screw (510) is fixedly provided with a hand wheel (520).

8. Film pressing device according to claim 1, characterized in that the bottom of the frame (100) is provided with a gear and the top is provided with a rotation shaft extending in up-down direction; the gear and the rotating shaft are coaxially arranged;

The film pressing device further includes:

The driving device (600) is connected with the gear in a meshed manner and is used for driving the rack (100) to rotate around the axis of the rotating shaft;

The third roller shaft bracket (710) is rotatably arranged on the rotating shaft and can rotate independently around the axis of the rotating shaft relative to the frame (100);

A third roller shaft (720), wherein the third roller shaft (720) is rotatably arranged on the third roller shaft frame (710) and can rotate around the self axis, and the third roller shaft (720) is positioned above the film pressing device and is used for receiving the strip-shaped film output from the first roller shaft (210);

A fourth roller frame (810), wherein the fourth roller frame (810) is rotatably arranged on the rotating shaft and can rotate independently around the axis of the rotating shaft relative to the frame (100) and the third roller frame (710);

And the fourth roll shaft (820) is rotatably arranged on the fourth roll shaft frame (810) and can rotate around the axis of the fourth roll shaft, and the fourth roll shaft (820) is positioned above the third roll shaft (720) and is used for receiving the strip-shaped film output from the third roll shaft (720).

9. The film laminating apparatus according to claim 8, further comprising:

A fifth roller frame (910), wherein the fifth roller frame (910) is rotatably arranged on the rotating shaft and can rotate independently around the axis of the rotating shaft relative to the frame (100), the third roller frame (710) and the fourth roller frame (810);

A fifth roller shaft (920), wherein the fifth roller shaft (920) is rotatably arranged on the fifth roller shaft frame (910) and can rotate around the self axis, and the fifth roller shaft (920) is positioned between the third roller shaft (720) and the fourth roller shaft (820); both ends of the fifth roll shaft (920) are slidably arranged on the fifth roll shaft frame (910) and can move in the up-down direction;

a sixth roller shaft (930), wherein the sixth roller shaft (930) is rotatably arranged on the fifth roller shaft frame (910) and can rotate around the self axis, and the sixth roller shaft (930) is positioned between the third roller shaft (720) and the fourth roller shaft (820); both ends of the sixth roller shaft (930) are slidably disposed on the fifth roller shaft frame (910) and are movable in the front-rear direction.

10. The film pressing apparatus according to claim 9, wherein the fifth roller frame (910) is provided with a first slide groove (911) extending in an up-down direction and a second slide groove (912) extending in a front-rear direction, both ends of the fifth roller shaft (920) are slidably provided on the first slide groove (911) and can be fastened on the fifth roller frame (910) by a first locking screw; both ends of the sixth roller shaft (930) are slidably arranged on the second sliding groove (912) and can be fastened on the fifth roller shaft frame (910) through a second locking screw.