CN218196946U

CN218196946U - Laminating system for die-cutting assembly parts

Info

Publication number: CN218196946U
Application number: CN202221023944.7U
Authority: CN
Inventors: 马继; 刘晓雷
Original assignee: Shenzhen Tongtaiying Technology Co ltd
Current assignee: Shenzhen Tongtaiying Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2023-01-03
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a tectorial membrane laminating system of cross cutting assembly part, include: the film supply device is used for providing a rolled protective material belt, and the protective material belt comprises a protective film, adhesive tapes attached to the left side and the right side of the protective film and release films attached to the two adhesive tapes; the film collecting device is used for tearing off the release film on the protective material belt and collecting the release film in a coiled manner; the laminating device is used for covering and laminating the protective film on the die-cutting material belt through the adhesive tape, the die-cutting material belt comprises a bottom film and a plurality of die-cutting pieces attached to the bottom film, and plastic pieces are assembled on the die-cutting pieces; and the winding device is used for winding the adhered die-cutting material belt and the protective film. The laminating system can protect the plastic part assembled on the die-cutting part.

Description

Laminating system for die-cutting assembly parts

Technical Field

The utility model relates to an assembly technique especially relates to a tectorial membrane laminating system of cross cutting assembly part.

Background

The die-cut product is widely applied to the industrial fields of the electronic and electrical industry, the automobile manufacturing industry, the flat panel display industry and the like, and particularly applied to the products of layered thin materials in the preparation process, such as insulating materials, shockproof materials, heat-resistant materials, adhesive materials, dustproof materials, shielding materials and the like, which all need to be processed and manufactured by the die-cutting technology. The die-cutting product has a wide application range, is widely applied to high-tech products such as electronics, electric appliances, instruments and meters, communication equipment, digital products, medical instruments and the like, and plays different roles in different products.

Some products require assembling the die-cut piece and the plastic piece, and the prior art generally uses a jig to assemble the die-cut piece and the plastic piece. For example, chinese patent No. CN201920350772.6 discloses a clamp for assembling die-cut pieces, which includes: a base; the positioning piece is connected to the base and used for positioning the die cutting piece; the movable piece is slidably mounted on the base; the assembly part is detachably arranged on the movable part and is used for positioning the plastic piece and enabling one side surface of the plastic piece to be aligned to the die cutting piece; when the assembly part is arranged on the movable part, the die cutting part is positioned between one side surface of the positioning plastic part; one side surface of the plastic part is attached to the die cutting part when the movable part slides on the base. When the die-cutting piece needs to be assembled on the side surface of the plastic piece, the die-cutting piece is positioned on the positioning piece, the plastic piece is positioned on the assembling piece, the assembling piece with the positioned plastic piece is installed on the moving piece, at the moment, the die-cutting piece is positioned between the positioning piece and one side surface of the plastic piece, and one side surface of the plastic piece is aligned to the die-cutting piece; the movable part is slidably mounted on the base, so that the movable part slides, one side face of the plastic piece can be attached to the die-cutting piece, the die-cutting piece is assembled on the side face of the plastic piece, and the die-cutting device is convenient to operate and high in production efficiency.

However, after the die-cut piece and the plastic piece are assembled together, secondary packaging is needed to facilitate shipment to customers, and the plastic piece protrudes out of the surface of the die-cut piece and is easy to collide and fall off from the die-cut piece.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a tectorial membrane laminating system of cross cutting assembly part can form the protection to the plastic part of assembly on the cross cutting piece.

The utility model discloses the technical problem that solve realizes through following technical scheme:

a film laminating system for die-cut assemblies, comprising:

the film supply device is used for providing a rolled protective material belt, and the protective material belt comprises a protective film, adhesive tapes attached to the left side and the right side of the protective film and release films attached to the two adhesive tapes;

the film collecting device is used for tearing off the release film on the protective material belt and collecting the release film in a coiled manner;

the laminating device is used for covering and laminating the protective film on the die-cutting material belt through the adhesive tape, the die-cutting material belt comprises a bottom film and a plurality of die-cutting pieces attached to the bottom film, and plastic pieces are assembled on the die-cutting pieces;

and the winding device is used for winding the adhered die-cutting material belt and the protective film.

Furthermore, the laminating device includes laminating bottom plate and two roller components, two roller components be used for with the protection film laminate in on the die-cutting material area, drive the die-cutting material area and the protection film that paste simultaneously and convey forward, locate separately on the front and back both sides of laminating bottom plate.

Further, the roller assembly comprises a bonding roller, two pressing rollers, a pressing shaft and two pressure mechanisms, wherein the two pressing rollers are coaxially connected to the pressing shaft, respectively correspond to the two adhesive tapes on the protective film, and are arranged opposite to the bonding rollers on the upper side and the lower side of the bonding bottom plate so as to roll and bond the die-cut material belt and the protective film together with the bonding rollers; the two pressure mechanisms are respectively arranged on the left side and the right side of the laminating bottom plate and are respectively connected with the two ends of the pressing shaft so as to apply downward pressure to the two pressing rollers on the pressing shaft.

Furthermore, the pressure mechanism comprises a fixed plate, a cross beam, two groups of guide rails, a sliding block, a knob, a screw rod and a spring, wherein the opening of the fixed plate faces upwards, the cross beam is fixedly arranged on the opening of the fixed plate, and two sides of the sliding block are respectively connected with the inner walls of two sides of the opening of the fixed plate in a sliding manner through one group of guide rails; the screw rod vertically penetrates through the cross beam, the upper end of the screw rod is coaxially fixed with the knob, and the lower end of the screw rod is connected with the sliding block through the spring; the material pressing shaft is connected in the sliding block.

Furthermore, the laminating device also comprises a detection visual camera which is used for shooting and identifying the assembly sizes of the die cutting piece and the plastic piece in the die cutting material belt; and the detection trigger sensor is used for detecting the die cutting piece and the plastic piece in the die cutting material belt so as to trigger the detection visual camera.

Further, the laminating device further comprises a laminating driver and a synchronizing mechanism, wherein the laminating driver is connected with and drives one of the roller assemblies, and the synchronizing mechanism is connected between the two roller assemblies to synchronize the two roller assemblies.

Further, the laminating device is still including locating separately two spacing subassemblies on the front and back both sides of laminating bottom plate, two spacing subassemblies are used for injecing the cross cutting material area that pastes and protection film and be in relative position on the left and right sides of laminating bottom plate.

Furthermore, the limiting assembly comprises a limiting bottom plate and two limiting blocks, the limiting bottom plate is provided with a mounting groove along the left-right direction, the two limiting blocks are mounted in the mounting groove of the limiting bottom plate, and the mounting positions of the two limiting blocks can be adjusted along the mounting groove; and the limiting bottom plate is provided with a graduated scale mark corresponding to the mounting groove.

Furthermore, one sides of the two limiting assemblies, which are far away from the roller assemblies, are respectively connected with an adjustable material rack, the adjustable material racks are rotatably connected with the corresponding limiting bottom plates, and limiting mechanisms corresponding to the two limiting blocks are arranged.

Furthermore, the film supply device, the film receiving device and the winding device respectively comprise a winding shaft, two material blocking discs, a reinforcing bearing seat, a tension controller and an adjusting base, wherein the two material blocking discs are coaxially arranged on the winding shaft at intervals in a position-adjustable manner; one end of the winding shaft is adjusted with the tension controller through the reinforcing bearing seat, the tension controller of the film supply device provides reverse tension for the winding shaft corresponding to the tension controller, and the tension controllers of the film collecting device and the winding device provide forward tension for the winding shaft corresponding to the tension controller; the tension controller is arranged on the adjusting base, and the position of the tension controller can be adjusted by the adjusting base along the axial direction of the coiling shaft; the film collecting device and the winding device also comprise drivers connected with the winding shafts of the film collecting device and the winding device.

The utility model discloses following beneficial effect has: when the laminating system is used, a rolled protective material belt is firstly loaded in the film supply device, then the release film at the head of the protective material belt is manually torn, the torn release film is manually sent into the film collecting device, the torn protective film and adhesive tape are manually sent into the laminating device, the plastic part is assembled on the die-cut part and then sent into the laminating device by the assembly system at the front end of the die-cut material belt, then the system is started to enable the laminating device to begin to laminate the die-cut material belt and the protective film, and finally the adhered die-cut material belt and the protective film are rolled up by the rolling device, so that the protective film can be laminated above the die-cut material belt, the plastic part assembled on the die-cut part is protected, and the plastic part is prevented from being collided by foreign objects and being deviated or falling off in the subsequent processes of carrying, delivery and the like.

Drawings

Fig. 1 is a schematic view of a film laminating system provided by the present invention;

FIG. 2 is a schematic view of a laminating device in the laminating system shown in FIG. 1;

FIG. 3 is a schematic view of a roller assembly of the laminating apparatus shown in FIG. 2;

FIG. 4 is a schematic view of a limiting mechanism in the attaching device shown in FIG. 2;

FIG. 5 is a schematic view of a film supply device in the laminating system shown in FIG. 1;

FIG. 6 is a schematic view of a film collecting device or a winding device in the laminating system shown in FIG. 1;

fig. 7 is a schematic view of the laminating process of the die-cut material belt and the protective material belt provided by the present invention;

fig. 8 is a schematic cross-sectional view of the attached die-cut material tape and the protective film.

Detailed Description

The invention is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Example one

As shown in fig. 1 and 7, a film laminating system for die-cut assemblies includes:

the film supply device 1a is used for providing a rolled protective material belt 4, and the protective material belt 4 comprises a protective film 41, adhesive tapes 42 attached to the left side and the right side of the protective film 41, and release films 43 attached to the two adhesive tapes 42;

the film collecting device 1b is used for tearing off the release film 43 on the protective material tape 4 and collecting the release film 43 in a roll;

the attaching device 2 is used for covering and attaching the protective film 41 to the die-cutting material belt 3 through the adhesive tape 42, the die-cutting material belt 3 comprises a bottom film 31 and a plurality of die-cutting pieces 32 attached to the bottom film 31, and the die-cutting pieces 32 are provided with plastic parts 33;

and the winding device 1c is used for winding and collecting the adhered die-cutting material belt 3 and the protective film 41.

When the laminating system is used, a rolled protective material belt 4 is loaded in the film supply device 1a, then the release film 43 at the head of the protective material belt 4 is manually torn, the torn release film 43 is manually conveyed into the film collecting device 1b, the torn protective film 41 and adhesive tape 42 are manually conveyed into the laminating device 2, the plastic part 33 is assembled on the die-cut part 32 by the front-end assembling system of the die-cut material belt 3 and then conveyed into the laminating device 2, then the system is started to enable the laminating device 2 to laminate the die-cut material belt 3 and the protective film 41, after the system operates for a certain time, the adhered die-cut material belt 3 and the head of the protective film 41 are manually conveyed into the winding device 1c, the adhered die-cut material belt 3 and the protective film 41 are wound and collected by the winding device 1c, the die-cut material belt 41 can be adhered above the die-cut part 3, and the protective film 33 is protected, and the protective film 33 is prevented from being collided with foreign objects in the processes of subsequent transportation, shipment and the like to cause the plastic part to fall off or the plastic belt 33.

As shown in fig. 8, the attached protection film 41 is higher than the plastic part 33 and does not contact with the plastic part 33.

As shown in fig. 2, the attaching device 2 includes an attaching bottom plate 21 and two roller assemblies 22, the two roller assemblies 22 are used for attaching the protective film 41 to the die-cutting material strip 3, and simultaneously, the attached die-cutting material strip 3 and the protective film 41 are conveyed forward and respectively disposed on the front and back sides of the attaching bottom plate 21.

Laminating device 2 adopts the gyro wheel form to come the laminating protection material area 4 and protection film 41, the gyro wheel also can play the conveying effect simultaneously, will after protection material area 4 and protection film 41 pasted, automatic will paste protection material area 4 and protection film 41 and convey to the rolling module carries out the rolling.

In this embodiment, the attaching device 2 further includes an attaching driver 25 and a synchronizing mechanism 26, the attaching driver 25 is connected to drive one of the roller assemblies 22, and the synchronizing mechanism 26 is connected between the two roller assemblies 22 to synchronize the two roller assemblies 22.

Preferably, the attaching driver 25 is connected to drive the roller assembly 22 close to the winding device 1 c.

As shown in fig. 1, the laminating device 2 further includes a detection vision camera 27 for shooting and identifying the assembly size of the die-cut piece 32 and the plastic piece 33 in the die-cut material tape 3; and a detection trigger sensor 28 for detecting the die-cut piece 32 and the plastic piece 33 in the die-cut material tape 3 to trigger the detection vision camera 27.

As shown in fig. 3, the roller assembly 22 includes a bonding roller 221, two pressing rollers 222, a pressing shaft 223 and two pressure mechanisms 224, the two pressing rollers 222 are coaxially connected to the pressing shaft 223, respectively correspond to the two adhesive tapes 42 on the protective film 41, and are disposed opposite to the bonding roller 221 on the upper and lower sides of the bonding bottom plate 21, so as to roll and bond the die-cut material tape 3 and the protective film 41 together with the bonding roller 221; the two pressure mechanisms 224 are respectively disposed on the left and right sides of the bonding bottom plate 21, and are respectively connected to two ends of the pressing shaft 223, so as to apply downward pressure to the two pressing rollers 222 on the pressing shaft 223.

The roller assembly 22 obtains downward pressure through the two pressure devices on the two ends of the pressing shaft 223, so that the two pressing rollers 222 on the pressing shaft 223 press downward, and further press the die-cutting material strip 3 and the protective film 41 together with the bonding roller 221 located below the bonding bottom plate 21, wherein the bonding roller 221 presses upward against the entire bottom surface of the die-cutting material strip 3, and the two pressing rollers 222 respectively press the two adhesive tapes 42 on the protective film 41 downward, so that the protective film 41 is bonded on the die-cutting material strip 3 through the two adhesive tapes 42.

Preferably, the two pressing rollers 222 are rubber wheels, and are connected to the pressing shaft 223 through corresponding bearings.

The synchronizing mechanism 26 comprises a transmission belt and at least two transmission wheels, one transmission wheel is coaxially connected to a rotating shaft of the attaching roller 221 positioned on the front side of the attaching base plate 21, one transmission wheel is coaxially connected to a rotating shaft of the attaching roller 221 positioned on the rear side of the attaching base plate 21, and the rest transmission wheels are respectively arranged between the two transmission wheels connected with the attaching roller 221; the transmission belt is connected to transmit all the transmission wheels so as to enable the two attaching rollers 221 to rotate synchronously.

The pressure mechanism 224 comprises a fixed plate 2241, a cross beam 2242, two sets of guide rails 2243, a slider 2244, a knob 2245, a screw 2246 and a spring 2248, wherein an opening of the fixed plate 2241 faces upwards, the cross beam 2242 is fixedly arranged on the opening of the fixed plate 2241, and two sides of the slider 2244 are respectively connected with inner walls at two sides of the opening of the fixed plate 2241 through the set of guide rails 2243 in a sliding manner; the screw 2246 vertically penetrates through the cross beam 2242, the upper end of the screw is coaxially fixed with the knob 2245, and the lower end of the screw is connected with the sliding block 2244 through the spring 2248; the pressing shaft 223 is connected to the inside of the slider 2244.

When the knob 2245 is rotated, the screw 2246 converts the rotation of the knob 2245 into a lifting movement, so that the spring 2248 is lifted or lowered, when the spring 2248 is lifted, the sliding block 2244 is driven to lift together, so that the pressing shaft 223 on the sliding block 2244 is also lifted, and the pressing roller 222 on the pressing shaft 223 loosens the die-cut material strip 3 and the protective film 41; when the spring 2248 descends, the sliding block 2244 is driven to descend together, so that the pressing shaft 223 on the sliding block 2244 also descends, and the pressing roller 222 on the pressing shaft 223 presses the die-cutting material belt 3 and the protective film 41.

As shown in fig. 2, the attaching device 2 further includes two limiting assemblies 23 respectively disposed on the front and rear sides of the attaching base plate 21, and the two limiting assemblies 23 are used for limiting the relative positions of the attached die-cut material tape 3 and the protective film 41 on the left and right sides of the attaching base plate 21.

The two limiting assemblies 23 can limit the relative positions of the die-cutting material belt 3 and the protective film 41 on the left and right sides of the laminating bottom plate 21 in the laminating and conveying process of the die-cutting material belt 3 and the protective film 41, so as to prevent the die-cutting material belt 3 and the protective film 41 from deviating to the left and right sides in the laminating and conveying process.

As shown in fig. 4, the limiting assembly 23 includes a limiting bottom plate 231 and two limiting blocks 233, the limiting bottom plate 231 is provided with an installation groove 232 along the left-right direction, and the two limiting blocks 233 are installed in the installation groove 232 of the limiting bottom plate 231, and the installation positions can be adjusted along the installation groove 232; the limit bottom plate 231 is provided with a scale mark 234 corresponding to the mounting groove 232.

When the die cutting material belt 3 and the protective film 41 are attached to each other, the die cutting material belt is located between the two limiting blocks 233, the installation tightness of the two limiting blocks 233 in the installation groove 232 is adjustable, when the two limiting blocks 233 are unscrewed, the two limiting blocks 233 can freely move in the installation groove 232 to adjust the installation position, and after the two limiting blocks 233 are screwed down, the die cutting material belt can be fixed in the installation groove 232 and cannot move. Before the lamination, the distance between the two stoppers 233 and the phase position on the stopper base 231 can be adjusted according to the widths of the die-cut material tape 3 and the protective film 41.

Preferably, the limiting bottom plate 231 is provided with a plurality of absorption holes 235, so that the die-cutting material tape 3 and the protective film 41 are absorbed on the limiting bottom plate 231 in a flat manner by vacuum negative pressure and conveyed forward.

When the installation position of the limit block 233 is adjusted, the scale mark 234 can visually know the relative position of the limit block 233 on the limit bottom plate 231 and the distance between the two limit blocks 233 in the same installation groove 232.

Example two

As an optimized solution of the first embodiment, as shown in fig. 2, adjustable material racks 24 are further respectively connected to sides of the two limiting assemblies 23 away from the roller assembly 22 in this embodiment, the adjustable material racks 24 are rotatably connected to the corresponding limiting bottom plates 231, and limiting mechanisms 241 corresponding to the two limiting blocks 233 are provided.

The two adjustable racks 24 are used for adjusting the feeding angle and the discharging angle of the die-cutting material belt 3 and the protective film 41 in the laminating device 2.

EXAMPLE III

As an optimized solution of the first embodiment or the second embodiment, as shown in fig. 5, each of the film supplying device 1a, the film receiving device 1b and the winding device 1c in this embodiment includes a winding shaft 11, two material blocking trays 12, a reinforcing bearing seat 13, a tension controller 14 and an adjusting base 15, and the two material blocking trays 12 are coaxially and adjustably disposed on the winding shaft 11 at intervals; one end of the winding shaft 11 is adjusted by the reinforcing bearing seat 13 and the tension controller 14, the tension controller 14 of the film supply device 1a provides reverse tension for the winding shaft 11 corresponding to the tension controller, and the tension controllers 14 of the film collection device 1b and the winding device 1c provide forward tension for the winding shaft 11 corresponding to the tension controller; the tension controller 14 is arranged on the adjusting base 15, and the adjusting base 15 can adjust the position of the tension controller 14 along the axial direction of the winding shaft 11; as shown in fig. 6, the film collecting device 1b and the winding device 1c further include a driver 16 connected to the winding shaft 11.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced with equivalents, and these modifications or equivalent replacements cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A film lamination system for die cut assemblies, comprising:

2. The film laminating and attaching system of claim 1, wherein the attaching device comprises an attaching base plate and two roller assemblies, the two roller assemblies are used for attaching the protective film to the die-cutting material belt and driving the attached die-cutting material belt and the protective film to be conveyed forward, and the roller assemblies are respectively arranged on the front side and the rear side of the attaching base plate.

3. The film laminating and attaching system for the die-cut assembly part of claim 2, wherein the roller assembly comprises an attaching roller, two pressing rollers, a pressing shaft and two pressure mechanisms, the two pressing rollers are coaxially connected to the pressing shaft, respectively correspond to the two adhesive tapes on the protective film, and are arranged opposite to the attaching roller on the upper side and the lower side of the attaching bottom plate so as to roll and attach the die-cut material belt and the protective film together with the attaching roller; the two pressure mechanisms are respectively arranged on the left side and the right side of the laminating bottom plate and are respectively connected with the two ends of the pressing shaft so as to apply downward pressure to the two pressing rollers on the pressing shaft.

4. The system for laminating and attaching a die-cut assembly part of claim 3, wherein the pressure mechanism comprises a fixed plate, a beam, two sets of guide rails, a slider, a knob, a screw rod and a spring, the opening of the fixed plate faces upwards, the beam is fixedly arranged on the opening of the fixed plate, and two sides of the slider are respectively connected with the inner walls of two sides of the opening of the fixed plate in a sliding manner through one set of guide rails; the screw rod vertically penetrates through the cross beam, the upper end of the screw rod is coaxially fixed with the knob, and the lower end of the screw rod is connected with the sliding block through the spring; the material pressing shaft is connected in the sliding block.

5. The system of claim 2, wherein the laminating device further comprises a vision inspection camera for capturing and identifying the assembly size of the die cut piece and the plastic piece in the die cut material tape; and the detection trigger sensor is used for detecting the die cutting piece and the plastic piece in the die cutting material belt so as to trigger the detection visual camera.

6. The system of claim 2, wherein the laminating device further comprises a laminating driver and a synchronizing mechanism, the laminating driver drives one of the roller assemblies, and the synchronizing mechanism is connected between the two roller assemblies to synchronize the two roller assemblies.

7. The laminating system of claim 2, further comprising two limiting assemblies respectively disposed on the front and rear sides of the laminating base plate, the two limiting assemblies being configured to define relative positions of the laminated die-cut material tape and the protective film on the left and right sides of the laminating base plate.

8. The film covering and laminating system of the die-cut assembly part as claimed in claim 7, wherein the limiting component comprises a limiting bottom plate and two limiting blocks, the limiting bottom plate is provided with an installation groove along the left-right direction, the two limiting blocks are installed in the installation groove of the limiting bottom plate, and the installation position of the two limiting blocks can be adjusted along the installation groove; and the limiting bottom plate is provided with a graduated scale mark corresponding to the mounting groove.

9. The system for laminating and attaching a die-cut assembly part according to claim 7, wherein the sides of the two limiting assemblies, which are far away from the roller assemblies, are respectively connected with an adjustable rack, the adjustable racks are rotatably connected with the corresponding limiting bottom plates, and limiting mechanisms corresponding to the two limiting blocks are arranged.

10. The system for laminating and attaching die-cut assembly parts according to claim 1, wherein the film supply device, the film collecting device and the winding device each comprise a winding shaft, two material blocking discs, a reinforcing bearing seat, a tension controller and an adjusting base, and the two material blocking discs are coaxially arranged on the winding shaft at intervals in an adjustable position; one end of the winding shaft is adjusted with the tension controller through the reinforcing bearing seat, the tension controller of the film supply device provides reverse tension for the winding shaft corresponding to the tension controller, and the tension controllers of the film collecting device and the winding device provide forward tension for the winding shaft corresponding to the tension controller; the tension controller is arranged on the adjusting base, and the position of the tension controller can be adjusted by the adjusting base along the axial direction of the coiling shaft; the film collecting device and the winding device also comprise drivers connected with the winding shafts of the film collecting device and the winding device.