CN211710070U

CN211710070U - Die cutting device

Info

Publication number: CN211710070U
Application number: CN201921693089.9U
Authority: CN
Inventors: 白雪锋; 冯英涛; 贾清旺
Original assignee: Lankao Yude Environmental Protection Material Technology Co ltd
Current assignee: Lankao Yufu Precision Technology Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-10-20
Anticipated expiration: 2029-10-09

Abstract

A die cutting device is used for manufacturing a finished film, and the finished film comprises a protective film, a reverse adhesive film, a first handle film, an adhesive film and a second handle film. The die cutting device comprises a rack, and a first die cutting mechanism and a second die cutting mechanism which are arranged in the middle of the rack along the horizontal direction. The first die-cutting mechanism is used for providing the protective film and the reverse adhesive film, compounding and cutting the reverse adhesive film and the protective film, removing waste materials to obtain a first cutting film, providing and cutting the first handle film, compounding the cut first handle film and the first cutting film, removing the waste materials to obtain a second cutting film, and conveying the second cutting film to the second die-cutting mechanism. The second die cutting mechanism is used for providing the laminating film and the second handle film, compounding and cutting the laminating film, the second handle film and the second cutting film, and removing waste materials to obtain a finished product film. The die cutting device can automatically manufacture the finished film, and the manufacturing yield and the quality of the finished film are improved.

Description

Die cutting device

Technical Field

The utility model relates to a technical field, especially a cutting device are pasted to membrane.

Background

In the assembly process of electronic devices and other products, it is often necessary to attach a finished film to protect some components of the product. The finished film usually comprises a plurality of film layers which are arranged in a stacked mode, when the finished film is manufactured, the film layers with preset sizes are usually cut, and the plurality of cut film layers are directly compounded through manual positioning.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a die cutting device to solve the above problems.

A die cutting device is used for manufacturing a finished film, the finished film comprises a protective film, a reverse adhesive film, a first handle film, an adhesive film and a second handle film, the adhesive film comprises a first adhesive surface and a second adhesive surface which are oppositely arranged, the first handle film and the reverse adhesive film are adhered to the first adhesive surface, the protective film is adhered to one surface, far away from the adhesive film, of the reverse adhesive film, the second handle film is adhered to the second adhesive surface, the die cutting device comprises a rack, and a first die cutting mechanism and a second die cutting mechanism which are horizontally arranged in the middle of the rack; the first die cutting mechanism is used for compounding and cutting the reverse sticking film and the protective film, removing waste materials to obtain a first cutting film, cutting the first handle film, compounding the cut first handle film with the first cutting film, removing waste materials to obtain a second cutting film, and conveying the second cutting film to the second die cutting mechanism; and the second die cutting mechanism is used for compounding and cutting the laminating film, the second handle film and the second cutting film, and removing waste materials to obtain the finished film.

Further, the first die-cutting mechanism comprises a protective film feeding unit, a first die-cutting unit and a first pressing unit which are sequentially arranged from front to back; the protective film feeding unit is used for compounding and cutting the reverse adhesive film and the protective film, removing waste materials to obtain a first cut film, and conveying the first cut film to the first die cutting unit; the first laminating unit is used for providing the first handle film and the first handle adhesive film, laminating the first handle film and the first handle adhesive film to obtain a first laminating film and conveying the first laminating film to the first die cutting unit; the first die cutting unit is used for cutting the first handle film on the first laminating film, attaching the cut first laminating film to the first cutting film to obtain a second laminating film, and transmitting the second laminating film back to the first laminating unit; the first pressing unit is also used for removing waste materials from the second pressing film to obtain a second cutting film, and conveying the second cutting film to the second die cutting mechanism.

Further, the protective film feeding unit comprises a first pressing roller set and a first die cutting roller set which are arranged in front of the first die cutting unit, and a reverse film feeding roller and a reverse film recycling roller which are arranged above the first pressing roller set; the protective film feeding roller and the reverse film feeding roller are respectively used for supplying the protective film and the reverse film to the first pressing roller set, and the reverse film recycling roller is used for recycling waste materials of the reverse film; the first pressing roller set is used for compounding the protective film and the reverse adhesive film to obtain a composite protective film, and the first die cutting roller set is used for cutting the reverse adhesive film on the composite protective film, removing waste materials of the reverse adhesive film to obtain a first cutting film and conveying the first cutting film to the first die cutting unit.

The first die cutting unit comprises a second die cutting roller set and double-sided adhesive tape feeding rollers arranged above the second die cutting roller set, the second die cutting roller set comprises a first die cutting roller and two first conveying rollers which are sequentially arranged from top to bottom, the double-sided adhesive tape feeding rollers are used for providing double-sided adhesive tape between the two first conveying rollers, the first die cutting roller is used for cutting the first handle film in the first laminating film, and the two first conveying rollers are used for attaching the cut first laminating film to the first cutting film through the double-sided adhesive tape to obtain a second laminating film which is then transmitted back to the first laminating unit.

Furthermore, the first pressing unit comprises a second pressing roller set, and a first handle feeding roller, a first handle mucosa feeding roller and a first mucosa recovery roller which are sequentially arranged above the second pressing roller set; the second press fit roller group comprises a first press fit roller and two second conveying rollers which are arranged in sequence from top to bottom; the first handle feeding roller and the first handle mucosa feeding roller are used for feeding the first handle film and the first handle mucosa between the first pressing roller and the second conveying roller, and the first mucosa recovery roller is positioned behind the first pressing roller group and used for recovering waste materials on the second pressing film to obtain the second cutting film.

Further, the second die cutting mechanism comprises a second pressing unit, a second die cutting unit and a third die cutting unit which are sequentially arranged in the middle of the rack from front to back; the second pressing unit is used for providing the laminating film and laminating the first laminating surface of the laminating film with the second cutting film to obtain a third laminating film; the second die cutting unit is used for providing the second handle film and a second handle film adhesive film, cutting the second handle film, attaching the cut second handle film to the second attaching surface of the attaching film in the third laminating film and removing waste materials to obtain a third cutting film; and the third die cutting unit is used for cutting the third cut film and removing waste materials to obtain the finished film.

Further, the second pressing unit comprises a third pressing roller set and a laminated film feeding roller arranged above the third pressing roller set, the laminated film feeding roller is used for supplying the laminated film to the third pressing roller set, and the third pressing roller set is used for laminating the laminated film and the second cut film, so that the first laminating surface of the laminated film is laminated with the first handle film on the first cut film.

Further, the second die cutting unit comprises a third die cutting roller group, and a second handle film feeding roller, a second handle mucosa feeding roller and a second mucosa recovering roller which are sequentially arranged above the third die cutting roller from front to back; the third die-cutting roller group comprises a second die-cutting roller and two third conveying rollers which are arranged from top to bottom in sequence, and the second handle film feeding roller and the second handle adhesive film feeding roller are used for supplying the second handle film and the second handle adhesive film between the third die-cutting roller and the third conveying roller adjacent to the third die-cutting roller; the third die-cutting roller is used for cutting the second handle film and is matched with the third conveying rollers to convey the cut second handle film and the cut second handle mucous membrane to a position between the two third conveying rollers, and the two third conveying rollers are used for attaching the second handle film to the second attaching surface of the attaching film in the third laminating film and removing waste materials on the third laminating film to obtain a third cut film; the second mucosa recovery roller is used for recovering waste materials on the third pressing film.

The third die cutting unit comprises a fourth pressing roller set, a fourth die cutting roller set, a fifth pressing roller set, an auxiliary release film feeding roller, an adhesive tape feeding roller and an adhesive tape recycling roller, wherein the fourth pressing roller set, the fourth die cutting roller set and the fifth pressing roller set are sequentially arranged in the middle of the rack from front to back; the fourth pressing roller set is used for attaching the auxiliary release film to the second handle film of the third cutting film to obtain a fourth pressing film, the fourth die cutting roller set is used for cutting the fourth pressing film and removing waste materials to obtain a finished product film, the fifth pressing roller set is used for attaching the adhesive tape provided by the adhesive tape feeding roller to the finished product film, and the adhesive tape recycling roller is used for recycling the adhesive tape and the waste materials of the finished product film.

Further, the second die cutting mechanism further comprises a material receiving roller arranged behind the third die cutting unit, and the material receiving roller is used for rolling the finished film.

The die cutting device comprises a first die cutting mechanism and a second die cutting mechanism, wherein the first die cutting mechanism is used for attaching the reverse adhesive film and the protective film, cutting and removing waste materials to obtain a first cut film, cutting the first handle film, attaching the cut first handle film and the first cut film together, removing the waste materials to obtain a second cut film, and conveying the second cut film to the second die cutting mechanism; and the second die cutting mechanism is used for laminating, cutting and removing waste materials of the laminating film, the second handle film and the second cutting film to obtain the finished product film.

Therefore, the die cutting device can automatically manufacture the finished film, the manufactured finished film is stable in size, the film layer cannot deviate, the manufacturing yield and the quality of the finished film are improved, and the loss of raw materials is reduced.

Drawings

Fig. 1 is a schematic structural view of a die cutting device according to an embodiment of the present application.

Fig. 2 is a schematic process diagram of the die cutting device shown in fig. 1.

FIG. 3 is a schematic diagram of a finished film provided by one embodiment of the present application.

Fig. 4 is a schematic perspective exploded view of the finished film shown in fig. 3.

Fig. 5 is a schematic perspective exploded view of the finished film shown in fig. 3 from another angle.

Fig. 6 is a schematic structural diagram of a composite protective film according to an embodiment of the present application.

Fig. 7 is a schematic structural view of a first slit film provided by an embodiment of the present application.

Fig. 8 is a schematic structural diagram of a first laminate film provided in an embodiment of the present application.

Fig. 9 is a schematic structural diagram of a second laminate film provided in an embodiment of the present application.

Fig. 10 is a schematic view of a second slit film provided by an embodiment of the present application.

Fig. 11 is a schematic structural diagram of a third laminate film provided in an embodiment of the present application.

Fig. 12 is a schematic structural view of a third slit film provided by an embodiment of the present application.

Fig. 13 is a schematic structural diagram of a fourth laminate film provided in an embodiment of the present application.

FIG. 14 is a schematic diagram of a finished film provided by one embodiment of the present application.

Fig. 15 is a schematic structural diagram of a fifth laminate film provided in an embodiment of the present application.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2 together, one embodiment of the present application provides a die cutting apparatus 100 for manufacturing a finished film.

Referring to fig. 3 to 5, in an embodiment, the finished film 300 includes a protective film 310, a reverse adhesive film 320, a first handle film 330, an adhesive film 340, and a second handle film 350. The finished film 300 is intended to be attached to a product to protect the product and to be easily removed from the product without damaging the product.

The adhesive film 340 comprises a first adhesive surface 341 and a second adhesive surface 342 which are oppositely arranged, the first handle film 330 and the reverse adhesive film 320 are attached to the first adhesive surface 341, the protective film 310 is attached to one surface of the reverse adhesive film 320 far away from the adhesive film 340, and the second handle film 350 is attached to the second adhesive surface 342. The cling film 340 may be stretched by the first handle film 330 and/or the second handle film 350 for removal from the product.

The protective film 310 is used to cover the product to protect the product.

The reverse adhesive film 320 is used to separate the adhesive film 340 from the protective film 310. The reverse adhesive film 320 comprises a first reverse adhesive surface 321 and a second reverse adhesive surface 322 which are oppositely arranged, the first reverse adhesive surface 321 is attached to the protective film 310, and the second reverse adhesive surface 322 is attached to the adhesive film 340. The first adhesive surface 321 is an adhesive surface and the second adhesive surface 322 is a non-adhesive surface. The adhesion force of the first reverse attaching surface 321 is greater than that of the protective film 310, that is, the protective film 310 is a low-adhesion protective film, and the first reverse attaching surface 321 is a high-adhesion surface.

In one embodiment, the adhesive film 340 is a high-viscosity easy-open adhesive film, which has reduced or failed viscosity after stretching, and thus can be automatically separated from the protective film 310 and the product without damaging the product.

The first handle film 330 and the second handle film 350 may be directly adhered to both sides of the adhesive film 340 to cover a portion of the adhesive film 340, thereby preventing from sticking hands, sticking a jig, or sticking a product, and facilitating pulling the adhesive film 340.

The conformable film 340 can be stretched by the first handle film 330 and/or the second handle film 350 to reduce tackiness so that the finished film 300 can be removed from a product.

Referring to fig. 1, 2, and 7 to 14, the die cutting device 100 includes a frame 101, and a first die cutting mechanism 10 and a second die cutting mechanism 20 horizontally disposed in the middle of the frame 101. The first die-cutting mechanism 10 is configured to provide the protective film 310 and the reverse adhesive film 320, combine and cut the reverse adhesive film 320 and the protective film 310, and remove waste materials to obtain a first cut film 510 as shown in fig. 7, and also configured to provide and cut the first handle film 330, combine the cut first handle film 330 with the first cut film 510, and remove waste materials to obtain a second cut film 520 as shown in fig. 10, and transfer the second cut film 520 to the second die-cutting mechanism 20; the second die-cutting mechanism 20 is configured to provide the laminating film 340 and the second handle film 350, combine and cut the laminating film 340, the second handle film 350, and the second cutting film 520, and remove waste materials to obtain the finished film 300 shown in fig. 14.

In this embodiment, the frame 101 is square and vertically disposed, and the first die-cutting mechanism 10 and the second die-cutting mechanism 20 are sequentially disposed on one side of the frame 101 along the same horizontal direction.

The implementation process of the embodiment is as follows:

the first die-cutting mechanism 10 provides the protective film 310 and the reverse adhesive film 320, compounds the reverse adhesive film 320 and the protective film 310, cuts the reverse adhesive film 320, leaves the middle part of the reverse adhesive film 320 on the protective film 310, and removes waste materials from the outer frame of the reverse adhesive film 320 to obtain the first cut film 510.

The first die-cutting mechanism 10 provides and cuts the first handle film 330, leaves portions at both ends of the first handle film 330, composites the cut first handle film 330 with the first cut film 510 such that the first handle film 330 is composited on the protective film 310 and positioned around the reverse adhesive film 320, removes waste materials to obtain a second cut film 520, and transfers the second cut film 520 to the second die-cutting mechanism 20.

The second die-cutting mechanism 20 is configured to combine and cut the adhesive film 340, the second handle film 350, and the second cutting film 520, and remove waste materials to obtain the finished film 300.

Specifically, the first die-cutting mechanism 10 includes a protective film feeding unit 11, a first die-cutting unit 12, and a first pressing unit 13, which are sequentially arranged from front to back.

Referring to fig. 1, 2 and 6 to 10, the protective film feeding unit 11 is configured to provide the protective film 310 and the reverse adhesive film 320, combine and cut the reverse adhesive film 320 and the protective film 310, remove waste materials to obtain a first cut film 510, and transmit the first cut film 510 to the first die cutting unit 12. As shown in fig. 7, the first cutting film 510 includes a protective film 310 and a reverse adhesive film 320 which are laminated, and the reverse adhesive film 320 is provided in the middle of the protective film 310.

The first laminating unit 13 is configured to provide the first handle film 330 and the first handle adhesive film 331, laminate the first handle film 330 and the first handle adhesive film 331 to obtain a first laminated film 540 as shown in fig. 8, and transfer the first laminated film 540 to the first die-cutting unit 12.

The first die cutting unit 12 is configured to cut the first handle film 330 on the first laminating film 540 to cut off a middle portion of the first handle film 330, rotate the cut first laminating film 540, attach the first laminating film 540 to the first cutting film 510 to obtain a second laminating film 550 shown in fig. 9, and transmit the second laminating film 550 back to the first laminating unit 13, and the first laminating unit 13 is further configured to remove waste materials from the second laminating film 550 to remove waste materials from the first handle adhesive film 331 and the second laminating film 550 to obtain the second cutting film 520 shown in fig. 10, and transmit the second cutting film 520 to the second die cutting mechanism 20.

Specifically, as shown in fig. 2, the protective film feeding unit 11 includes a first press roller set 111 and a first die cutting roller set 112 disposed in front of the first die cutting unit 12, a protective film feeding roller 113 disposed on one side of the first press roller set 111, a reverse film feeding roller 114 disposed above the first press roller set 111, and a reverse film recycling roller 115.

The protective film supply roller 113 and the reverse film supply roller 114 are respectively used for supplying the protective film 310 and the reverse film 320 to the first pressing roller set 111, and the reverse film recovery roller 115 is used for recovering waste materials of the reverse film 320.

The first pressing roller set 111 is used for compounding and rolling the protective film 310 and the reverse adhesive film 320 to obtain a compound protective film 530, and the first die cutting roller set 112 is used for cutting the reverse adhesive film 320 on the compound protective film 530 and removing waste materials of the reverse adhesive film 320 to obtain the first cut film 510, and is also used for conveying the first cut film 510 to the first die cutting unit 12.

In an embodiment, the protective film feeding unit 11 further includes a bottom adhesive film feeding roller 116 disposed below the first pressing roller set 111, the bottom adhesive film feeding roller 116 is configured to feed a bottom adhesive film to the first pressing roller set 111, and the first pressing roller set 111 is configured to attach the bottom adhesive film below the protective film 310. The backing adhesive film can protect the protective film 310 and carry away waste materials when removing waste materials.

In an embodiment, the protective film feeding unit 11 further includes a release film recycling roller 117 and an angle corrector 118, the release film recycling roller 117 is disposed in front of the first pressing roller set 111, the release film recycling roller 117 is used for recycling the release film of the protective film 310, and the angle corrector is used for calibrating the angle of the protective film 310.

In the present embodiment, the protective film supply roll 113 is used to provide the protective film 310 with a release film (not shown). The release film is a single-sided release film. From type membrane including relative setting from the type face and non-from the type face, wherein, non-from the type face than from the type face from type force great. The non-release surface of the release film is attached to the adhesive surface of the protective film 310, which facilitates the peeling of the protective film 210 during the post-processing.

The first die cutting unit 12 includes a second die cutting roller group 121 and a double-sided tape supply roller 122 disposed above the second die cutting roller group 121, and the second die cutting roller group 121 includes a first die cutting roller 1211 and two first transfer rollers 1212 which are sequentially disposed from top to bottom. The double-sided tape supply roller 122 is configured to provide double-sided tape between two first conveying rollers 1212, the first die-cutting roller 1211 is configured to cut the first handle film 330 in the first laminating film 540, and the two first conveying rollers 1212 are configured to attach the cut first laminating film 540 to the first cut film 510 through the double-sided tape to obtain the second laminating film 550, and transmit the second laminating film 550 back to the first laminating unit 13.

In one embodiment, the upper first conveying roller 1212 is a rubber roller, and the lower first conveying roller 1212 is a steel roller, but is not limited thereto.

The first pressing unit 13 includes a second pressing roller set 131, and a first handle feeding roller 132, a first handle mucosa feeding roller 133 and a first mucosa recovering roller 134 sequentially disposed above the second pressing roller set 131.

The second nip roller group 131 includes a first nip roller 1311 and two second conveying rollers 1312 arranged in this order from top to bottom; the first handle supply roller 132 and the first handle adhesive film supply roller 133 serve to supply the first handle film 330 and the first handle adhesive film 331 between the first laminating roller 1311 and the second conveying roller 1312, and the first adhesive film recovery roller 134 is located behind the first laminating roller group 111 to recover waste materials on the second laminating film 550 to obtain the second cut film 520.

In one embodiment, the first stitching roller 1311 is a steel roller, the second conveying roller 1312 located above is a rubber roller, and the second conveying roller 1312 located below is a grooved roller, but is not limited thereto.

The operation of the first die cutting mechanism 10 described above is as follows.

The protective film supply roller 113 supplies the protective film 310 with the release film removed and recovered by the release film recovery roller 117 before passing through the angle corrector 118, and the protective film 310 passes through the angle corrector 118 and is transferred to the first nip roller set 111. The reverse film feeding roller 114 and the backing adhesive film feeding roller 116 simultaneously supply the reverse film 320 and the backing adhesive film to the first pressing roller set 111, the first pressing roller set 111 bonds the backing adhesive film, the protective film 310 and the reverse film 320 to obtain the composite protective film 530, the reverse film 320 is bonded to the adhesive surface of the protective film 310, and the backing adhesive film is bonded to the non-adhesive surface of the protective film 310.

The first die-cutting roller group 112 cuts the outer shape of the reverse sticker 320 on the composite protective film 530 to obtain the first cut film 510 as shown in fig. 7, and the reverse sticker recovery roller 115 rejects the outer frame portion of the reverse sticker 320.

The second roll-cutting unit 121 cuts the first handle film 330, and attaches the first handle film 330 to the first cut film 510 by double-sided adhesive to obtain the second laminate film 550, and passes back to the second roll-bonding unit 131.

The upper portion of the second nip roller set 131 laminates the first handle film 330 and the first handle adhesive film 331 to obtain a first nip film 540 as shown in fig. 8, and transfers the first nip film 540 to the first die cutting unit 12. The lower portion of the second nip roller set 131 removes the second nip film 550 from waste to remove the first handle adhesive film 331 and the second nip film 550 from waste, to obtain the second cut film 520 as shown in fig. 10, and transfers the second cut film 520 to the second die-cutting mechanism 20.

Referring to fig. 1, fig. 2, and fig. 11 to fig. 15, the second die-cutting mechanism 20 includes a second pressing unit 21, a second die-cutting unit 22, and a third die-cutting unit 23, which are sequentially disposed in the middle of the frame 101 from front to back.

The second pressing unit 21 is configured to provide the adhesive film 340, and attach the first attaching surface 341 of the adhesive film 340 to the second cut film 520 to obtain a third pressing film 560 shown in fig. 11.

The second die cutting unit 22 is adapted to provide the second handle film 350 and a second handle film adhesive film, cut the second handle film 350 to cut off a middle portion of the second handle film 350, and attach the cut second handle film 350 to the second attachment surface 342 of the attachment film 340 in the third laminate film 560 and remove waste materials to obtain a third cut film 570 as shown in fig. 12.

The third die cutting unit 23 is used to cut the third cut film 570 and to remove waste materials to obtain a finished film 300. The third die cutting unit 23 may cut the entire outer shape of the third cut film 570, and may also cut the protective film 310 at the bottom of the third cut film 570 at the same time.

Specifically, the second pressing unit 21 includes a third pressing roller set 211 and a laminated film feeding roller 212 disposed above the third pressing roller set 211, the laminated film feeding roller 212 is configured to provide the laminated film 340 to the third pressing roller set 211, and the third pressing roller set 211 is configured to attach the laminated film 340 to the second cut film 520, so that the first attaching surface 341 of the laminated film 340 is attached to the first handle film 330 on the first cut film 510, so as to obtain a third laminated film 560.

The second die cutting unit 22 includes a third die cutting roller set 221 and a second handle supply roller 222, a second handle adhesive film supply roller 223 and a second adhesive film recovery roller 224 which are sequentially disposed from front to rear above the third die cutting roller set 221.

The third die-cutting roller set 221 includes a second die-cutting roller 2211 and two third transfer rollers 2212 which are sequentially arranged from top to bottom. In one embodiment, the third transfer roll 2212 positioned above is a rubber roll, and the third transfer roll 2212 positioned below is a steel roll, but is not limited thereto.

The second handle supply roll 222 and the second handle adhesive film supply roll 223 serve to supply the second handle film 350 and the second handle adhesive film between the second die-cutting roll 2211 and the third transfer roll 2212 adjacent to the second die-cutting roll 2211.

The second die-cutting roll 2211 is configured to cut the second handle film 350, and to transfer the cut second handle film 350 and the second handle adhesive film between two third transfer rolls 2212 in cooperation with the third transfer rolls 2212, the two third transfer rolls 2212 are configured to attach the second handle film 350 to the second attachment surface 342 of the attachment film 340 in the third laminate film 560, and to remove waste materials on the third laminate film 560 to obtain the third cut film 570; the second mucosa recovery roller is used to recover the waste on the third laminate film 560.

The third die cutting unit 23 includes a fourth pressing roller set 231, a fourth die cutting roller set 232, a fifth pressing roller set 233, an auxiliary release film feeding roller 234 disposed above the fourth pressing roller set 231, and an adhesive tape feeding roller 235 and an adhesive tape recycling roller 236 disposed above the fifth pressing roller set 233, which are sequentially disposed from front to back in the middle of the frame 101, and the auxiliary release film feeding roller 234 is configured to provide an auxiliary release film 581 to the fourth pressing roller set 231. The auxiliary release film 581 is used to cover and protect the attachment film 340 due to the leakage of glue from the surface of the attachment film 340.

The fourth press roller set 231 is used for attaching the auxiliary release film 581 to the second handle film 350 of the third cut film 570 to obtain a fourth press film 580 as shown in fig. 13, and the auxiliary release film 581 covers the adhesive leakage surface of the attachment film 340.

The fourth set of die cuts 232 is used to cut the fourth laminate film 580 and to remove waste material to yield the finished film 300 shown in fig. 14.

The fifth press roller set 233 is used for applying the adhesive tape supplied from the adhesive tape supply roller 235 to the finished film 300, and the adhesive tape recovery roller 236 is used for recovering the adhesive tape and the waste material of the finished film 300 adhered to the adhesive tape.

The operation of the second die cutting mechanism 20 described above is as follows.

The third press roller set 211 adheres the first adhering surface 341 of the adhesive film 340 to the first handle film 330 on the first cut film 510 to obtain a third press film 560 as shown in fig. 11.

The third set of die cuts 221 applies the second handle film 350 to the second handle adhesive film, cuts the second handle film 350, transfers the second handle film 350 and the second handle adhesive film to the bonding film 340, applies the second handle film 350 to the second bonding surface 342 of the bonding film 340, and removes waste material from the third laminate film 560 to produce a third cut film 570 as shown in fig. 12.

The fourth press roller set 231 adheres the auxiliary release film 581 to the second handle film 350 of the third cut film 570 to obtain a fourth press film 580 as shown in fig. 13, and the auxiliary release film 581 covers the adhesive leakage surface of the adhesive film 340.

The fourth set of die cut rollers 232 cuts the fourth laminate film 580 to cut the overall profile to produce the finished film 300 shown in fig. 14. The fifth stitching roller set 233 is used for applying the adhesive tape provided by the adhesive tape supply roller 235 to the finished film 300, and the adhesive tape recovery roller 236 is used for recovering the adhesive tape and the waste material of the finished film 300.

In an embodiment, the second die-cutting mechanism 20 further includes a material receiving roller 30 disposed behind the third die-cutting unit 23, and the material receiving roller 30 is used for rolling the finished film 300.

In another embodiment, the take-up roll 30 is used to take up the finished film 300 together with the typeset release film. The second die-cutting mechanism 20 further comprises a material receiving unit 24, which comprises a sixth pressing roller set 241, a fifth die-cutting roller set 242 and a conveying roller set 243 which are sequentially arranged from front to back, a typesetting release film feeding roller 244, a mucosa feeding roller 245 and a mucosa recovering roller 246 which are arranged above the sixth pressing roller set 241, a bottom-supporting mucosa recovering roller 247 which is arranged below the fifth die-cutting roller set 242 and a frame recovering roller 248 which is arranged below the conveying roller set 243.

The composition release film supply roller 244 and the adhesive film supply roller 245 are used for supplying a composition release film 591 and an adhesive film to the sixth press-fit roller set 241, the sixth press-fit roller set 241 is used for attaching the composition release film 591 and the adhesive film to the finished product film 300, the fifth die-cutting roller set 242 is used for cutting the protection film 310 and the composition release film 591 from below and removing the adhesive film to obtain a fifth press-fit film 590 shown in fig. 15, the adhesive film recovery roller is used for recovering the adhesive film, the base adhesive film recovery roller 247 is used for recovering the base adhesive film, the frame recovery roller 248 is used for recovering the waste material of the composition release film 591, and the conveying roller set 243 is used for conveying the finished product film 300 and the composition release film 591 to the material collecting roller 30.

In one embodiment, in use, the die cutting apparatus 100 includes twenty stations arranged from front to back. The operation of the die cutting device 100 is as follows.

At the first station, the protective film supply roller 113 provides the protective film 310 with the release film removed and recovered by the release film recovery roller 117 before passing through the angle corrector 118, and the protective film 310 passes through the angle corrector 118 and is transferred to the first nip roller set 111. The reverse film feeding roller 114 and the backing adhesive film feeding roller 116 simultaneously feed the reverse film 320 and the backing adhesive film to the first pressing roller set 111, the first pressing roller set 111 bonds the backing adhesive film, the protective film 310 and the reverse film 320 to obtain the composite protective film 530 shown in fig. 6, the reverse film 320 is bonded to the adhesive surface of the protective film 310, and the backing adhesive film is bonded to the non-adhesive surface of the protective film 310.

At the second station, the first die-cutting roller group 112 cuts the outer shape of the reverse attachment film 320 on the composite protective film 530 to obtain the first cut film 510 as shown in fig. 7, and the reverse attachment film recovery roller 115 removes waste from the outer frame portion of the reverse attachment film 320.

At the third station, the second set of die cutting rollers 121 cuts the first handle film 330, and attaches the first handle film 330 to the first cut film 510 via double-sided adhesive to obtain the second laminate film 550, which is passed back to the second set of nip rollers 131.

At the fourth station, the upper portion of the second nip roller set 131 applies the first handle film 330 and the first handle adhesive film 331 to obtain a first nip film 540 as shown in fig. 8, and transfers the first nip film 540 to the first die-cutting unit 12. The lower portion of the second nip roller set 131 removes the second nip film 550 from waste to remove the first handle adhesive film 331 and the second nip film 550 from waste, to obtain the second cut film 520 as shown in fig. 10, and transfers the second cut film 520 to the second die-cutting mechanism 20.

At the fifth station, the third press roller set 211 applies the first applying surface 341 of the attaching film 340 to the first handle film 330 on the first cut film 510 to obtain a third pressing film 560 as shown in fig. 11.

At the sixth station, a third set of die cuts 221 applies the second handle film 350 to the second handle adhesive film, cuts the second handle film 350, rotates the second handle film 350 and the second handle adhesive film to the bonding film 340, applies the second handle film 350 to the second application surface 342 of the bonding film 340, and removes waste material from the third laminate film 560 to provide a third cut film 570 as shown in fig. 12.

At the seventh station, the fourth press roller set 231 attaches the auxiliary release film 581 to the second handle film 350 of the third cut film 570 to obtain a fourth press film 580 as shown in fig. 13, and the auxiliary release film 581 covers the adhesive leakage surface of the attachment film 340.

At the eighth station, the fourth set of die cut rollers 232 cuts the fourth laminate film 580 to cut the overall profile to produce the finished film 300 shown in fig. 14.

In the ninth station, the fifth stitching roller set 233 attaches the adhesive tape provided by the adhesive tape supply roller 235 to the finished film 300, and the adhesive tape recovery roller 236 recovers the adhesive tape and the waste material of the finished film 300.

At the tenth station, the sixth press roller set 241 attaches the typesetting release film 591 and the adhesive film to the finished film 300. The backing adhesive film recovery roller 247 removes waste from the backing adhesive film at the bottom to expose the protective film 310.

At the eleventh station, a fifth set of die cuts 242 cuts the protective film 310 and the lay-out release film 591 from below and removes the adhesive film to yield a fifth laminated film 590 as shown in fig. 15, the fifth laminated film 590 comprising a lay-out release film 591 and a finished film 400.

At the twelfth station, the conveying roller set 243 conveys the finished film 300 and the typeset release film 591 to the receiving roller 30.

It is understood that fig. 6 to 15 are only schematic diagrams of the finished film 300 during the manufacturing process, and since the film layers of the finished film 300 are thin, the film layers are closely combined and have no gap during the actual manufacturing process. For example, the laminating film 340 of FIG. 15 is laminated to a release liner 591.

It will be appreciated that in one embodiment, each roller set of the present application includes a drive roller thereunder, preferably the drive roller is a grooved roller.

It is understood that in other embodiments, the receiving unit 24 may be omitted.

It is understood that the die cutting apparatus 100 may also manufacture the finished film 300 with other structures in other embodiments, and the shape of the finished film 300 is not limited thereto.

The die cutting device 100 comprises a first die cutting mechanism 10 and a second die cutting mechanism 20, wherein the first die cutting mechanism 10 is used for compounding and cutting the reverse attaching film 320 and the protective film 310 and removing waste materials to obtain a first cutting film 510, and is also used for providing and cutting the first handle film 330, compounding the cut first handle film 330 with the first cutting film and removing waste materials to obtain a second cutting film 520, and conveying the second cutting film 520 to the second die cutting mechanism 20; the second die-cutting mechanism 20 is configured to combine and cut the adhesive film 340, the second handle film 350, and the second cutting film 520, and remove waste materials to obtain the finished film 300.

Therefore, the die cutting device 100 adopts a composite overlapping die cutting mode, each layer of film can be precisely cut, so that the automatic manufacture of the finished film 300 is realized, the manufactured finished film 300 is stable in size, the problem of easy deviation of the film is solved, the manufacturing yield and the quality of the finished film 300 are improved, and the loss of raw materials is reduced.

In addition, other changes may be made by those skilled in the art without departing from the spirit of the invention, and it is intended that all such changes be considered within the scope of the invention.

Claims

1. A kind of die cutting device, characterized by: the die cutting device is used for manufacturing a finished product film, the finished product film comprises a protective film, a reverse adhesive film, a first handle film, an adhesive film and a second handle film, the adhesive film comprises a first adhesive surface and a second adhesive surface which are oppositely arranged, the first handle film and the reverse adhesive film are adhered to the first adhesive surface, the protective film is adhered to one surface, far away from the adhesive film, of the reverse adhesive film, and the second handle film is adhered to the second adhesive surface;

the die cutting device comprises a rack, a first die cutting mechanism and a second die cutting mechanism, wherein the first die cutting mechanism and the second die cutting mechanism are arranged in the middle of the rack along the horizontal direction;

the first die cutting mechanism is used for providing the protective film and the reverse adhesive film, compounding and cutting the reverse adhesive film and the protective film, removing waste materials to obtain a first cutting film, providing and cutting the first handle film, compounding the cut first handle film and the first cutting film, removing waste materials to obtain a second cutting film, and conveying the second cutting film to the second die cutting mechanism;

the second die cutting mechanism is used for providing the laminating film and the second handle film, compounding and cutting the laminating film, the second handle film and the second cutting film, and removing waste materials to obtain the finished product film.

2. The die cutting apparatus of claim 1, wherein: the first die cutting mechanism comprises a protective film feeding unit, a first die cutting unit and a first pressing unit which are sequentially arranged from front to back;

the protective film feeding unit is used for compounding and cutting the reverse adhesive film and the protective film, removing waste materials to obtain a first cut film, and conveying the first cut film to the first die cutting unit;

the first laminating unit is used for providing the first handle film and the first handle adhesive film, laminating the first handle film and the first handle adhesive film to obtain a first laminating film and conveying the first laminating film to the first die cutting unit;

the first die cutting unit is used for cutting the first handle film on the first laminating film, attaching the cut first laminating film to the first cutting film to obtain a second laminating film, and transmitting the second laminating film back to the first laminating unit; the first pressing unit is also used for removing waste materials from the second pressing film to obtain a second cutting film, and conveying the second cutting film to the second die cutting mechanism.

3. The die cutting apparatus of claim 2, wherein: the protective film feeding unit comprises a first pressing roller set and a first die cutting roller set which are arranged in front of the first die cutting unit, a protective film feeding roller arranged on one side of the first pressing roller set, and a reverse film feeding roller and a reverse film recycling roller which are arranged above the first pressing roller set;

the protective film feeding roller and the reverse film feeding roller are respectively used for supplying the protective film and the reverse film to the first pressing roller set, and the reverse film recycling roller is used for recycling waste materials of the reverse film;

the first pressing roller set is used for compounding the protective film and the reverse adhesive film to obtain a composite protective film, and the first die cutting roller set is used for cutting the reverse adhesive film on the composite protective film and removing waste materials on the reverse adhesive film to obtain a first cutting film and also used for conveying the first cutting film to the first die cutting unit.

4. The die cutting apparatus of claim 2, wherein: the first die cutting unit comprises a second die cutting roller set and a double-sided adhesive tape feeding roller arranged above the second die cutting roller set, the second die cutting roller set comprises a first die cutting roller and two first conveying rollers which are sequentially arranged from top to bottom, and the double-sided adhesive tape feeding roller is used for providing double-sided adhesive tape between the two first conveying rollers;

the first die cutting rollers are used for cutting the first handle film in the first laminating film, and the two first conveying rollers are used for attaching the cut first laminating film to the first cutting film through the double-sided adhesive tape to obtain the second laminating film and transmitting the second laminating film back to the first laminating unit.

5. The die cutting apparatus of claim 2, wherein: the first pressing unit comprises a second pressing roller set, and a first handle feeding roller, a first handle mucosa feeding roller and a first mucosa recovery roller which are sequentially arranged above the second pressing roller set;

the second press fit roller group comprises a first press fit roller and two second conveying rollers which are arranged in sequence from top to bottom;

the first handle supply roller and the first handle adhesive film supply roller are used for supplying the first handle film and the first handle adhesive film between the first pressing roller and the second conveying roller;

the first mucosa recovery roller is positioned behind the first pressing roller group and used for recovering waste materials on the second pressing film to obtain the second cutting film.

6. The die cutting apparatus of claim 1, wherein: the second die cutting mechanism comprises a second pressing unit, a second die cutting unit and a third die cutting unit which are sequentially arranged in the middle of the rack from front to back;

the second pressing unit is used for providing the laminating film and laminating the first laminating surface of the laminating film with the second cutting film to obtain a third laminating film;

the second die cutting unit is used for providing the second handle film and a second handle film adhesive film, cutting the second handle film, attaching the cut second handle film to the second attaching surface of the attaching film in the third laminating film and removing waste materials to obtain a third cutting film;

and the third die cutting unit is used for cutting the third cut film and removing waste materials to obtain the finished film.

7. The die cutting apparatus of claim 6, wherein: the second pressing unit comprises a third pressing roller set and a laminated film feeding roller arranged above the third pressing roller set, the laminated film feeding roller is used for providing the laminated film for the third pressing roller set, the third pressing roller set is used for laminating the laminated film and the second cutting film, and the first laminating surface of the laminated film is laminated with the first handle film on the first cutting film.

8. The die cutting apparatus of claim 7, wherein: the second die cutting unit comprises a third die cutting roller set, and a second handle film feeding roller, a second handle mucosa feeding roller and a second mucosa recovering roller which are sequentially arranged above the third die cutting roller from front to back;

the third die cutting roller group comprises a second die cutting roller and two third conveying rollers which are arranged from top to bottom in sequence;

the second handle film supply roll and the second handle adhesive film supply roll are used for supplying the second handle film and the second handle adhesive film between the third die-cutting roll and the third conveying roll adjacent to the third die-cutting roll;

the third die-cutting roller is used for cutting the second handle film and is matched with the third conveying rollers to convey the cut second handle film and the cut second handle mucous membrane to a position between the two third conveying rollers, and the two third conveying rollers are used for attaching the second handle film to the second attaching surface of the attaching film in the third laminating film and removing waste materials on the third laminating film to obtain a third cut film; the second mucosa recovery roller is used for recovering waste materials on the third pressing film.

9. The die cutting apparatus of claim 8, wherein: the third die cutting unit comprises a fourth pressing roller set, a fourth die cutting roller set, a fifth pressing roller set, an auxiliary release film feeding roller, an adhesive tape feeding roller and an adhesive tape recycling roller, wherein the fourth pressing roller set, the fourth die cutting roller set and the fifth pressing roller set are sequentially arranged in the middle of the rack from front to back;

the fourth pressing roller set is used for attaching the auxiliary release film to the second handle film of the third cutting film to obtain a fourth pressing film, the fourth die cutting roller set is used for cutting the fourth pressing film and removing waste materials to obtain a finished product film, the fifth pressing roller set is used for attaching the adhesive tape provided by the adhesive tape feeding roller to the finished product film, and the adhesive tape recycling roller is used for recycling the adhesive tape and the waste materials of the finished product film.

10. The die cutting apparatus of claim 6, wherein: the second die cutting mechanism further comprises a material receiving roller arranged behind the third die cutting unit, and the material receiving roller is used for winding the finished film.