CN213802221U - Protection film cutting device - Google Patents
Protection film cutting device Download PDFInfo
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- CN213802221U CN213802221U CN202021649751.3U CN202021649751U CN213802221U CN 213802221 U CN213802221 U CN 213802221U CN 202021649751 U CN202021649751 U CN 202021649751U CN 213802221 U CN213802221 U CN 213802221U
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- film
- protective film
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- cutting
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Abstract
The utility model discloses a protective film die cutting device, which comprises a machine body, an auxiliary film winding roller, a protective film winding roller, a cutting table, an auxiliary film collecting roller and a protective film collecting roller; a material pressing roller and a cutting knife die are arranged on the cutting table; a film feeding interval is formed between the nip roll and the end surface of the cutting table at intervals; the protective film collecting roller is used for drawing the protective film to be discharged through the protective film winding roller in the rotating process and conveying the protective film through the film feeding interval; the auxiliary film winding roller is positioned on the side edge of the protective film winding roller; the auxiliary film collecting roller is used for drawing an auxiliary film to cover the protective film from the side edge of the protective film furling roller in the rotating process, and the auxiliary film is pressed on the side edge of the protective film at a film feeding interval to be conveyed to the cutting knife die. The utility model discloses add supplementary membrane at protection film side border, prevent that protection film border warp after the cross cutting.
Description
Technical Field
The utility model relates to a protection film technical field especially relates to a protection film cutting device.
Background
At present, the protection film mainly used protects the screen protection of electronic product such as cell-phone, computer, the protection film that has the market to be popular at present mainly is formed by two-layer laminating from type membrane and glue film, when carrying out protection film side cross cutting, the cross cutting process produces easily from type membrane and glue film separation, cross cutting in-process produces edge deformation, thereby make the protection film produce the marginal bubble after pasting on the substrate, the marginal bubble leads to the protection film to paste inseparably with the protected substrate, produce easily and advance dirt, pollute the product, even carry out the cross cutting through using expensive cutting die, can not intact solution this type of problem.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a protection film cutting device, it can be at the cross cutting in-process at the protection film side along addding supplementary membrane, prevents that protection film border warp behind the cross cutting.
The purpose of the utility model is realized by adopting the following technical scheme:
a protective film die cutting device comprises a machine body, an auxiliary film winding roller, a protective film winding roller, a cutting table, an auxiliary film collecting roller and a protective film collecting roller; the auxiliary film winding roller, the protective film winding roller, the cutting table, the auxiliary film collecting roller and the protective film collecting roller are sequentially distributed at intervals in a film feeding direction; a material pressing roller and a cutting knife die are arranged on the cutting table; a film feeding interval is formed between the nip roll and the end face of the cutting table at intervals;
the protective film collecting roller is used for drawing the protective film to be discharged through the protective film collecting roller in the rotating process and conveying the protective film through the film feeding interval; the auxiliary film winding roller is used for winding an auxiliary film and is positioned on the side edge of the protective film winding roller; the auxiliary film collecting roller is used for pulling an auxiliary film to be covered above the protective film through the side edge of the protective film furling roller in the rotating process, and the auxiliary film collecting roller is pressed on the side edge of the protective film at the film entering interval to be conveyed to the cutting knife die.
Preferably, the machine body is pivoted with a double-sided tape winding roller, and the auxiliary film winding roller, the double-sided tape winding roller and the protective film winding roller are sequentially distributed at intervals along the film feeding direction; the double-sided adhesive tape winding roller and the auxiliary film winding roller are correspondingly arranged in the film feeding direction; the double-sided adhesive tape winding roller is used for drawing the double-sided adhesive tape to be attached to the side edge of the protective film; and the auxiliary film furling roller is used for drawing the auxiliary film to be adhered to the double-faced adhesive tape.
Preferably, a material receiving press roller is further arranged on the cutting table, and the material pressing roller, the cutting die and the material receiving press roller are sequentially arranged at intervals in the film feeding direction; and material pressing intervals are formed between the material receiving compression roller and the end face of the cutting table at intervals.
Preferably, the auxiliary film winding rollers are arranged on the edges of the two sides of the protective film winding roller.
Preferably, the protective film and the auxiliary film are both made of PU materials.
Compared with the prior art, the beneficial effects of the utility model reside in that: it sets up supplementary membrane wind-up roll at the side of protection film wind-up roll, make supplementary membrane wind-up roll can be discharged by supplementary membrane wind-up roll under the traction force effect that supplementary membrane collection roller provided, and cover on the side border of protection film, carry out the border to cutting die department after pressing material interval pressfitting again and cut, the deformation that the cutting process produced is fully protected the buffering by supplementary membrane, thereby prevent to produce the bubble behind the protection film cross cutting and form the clearance between protection film and the protection substrate, avoid advancing the dust pollution and need protect the substrate, promote the product yield greatly, expensive cutting die has also been avoided using, and the production cost is reduced. In addition, the auxiliary film that the protection film border that forms formed after cutting covered can be used as protection film tearing hand, tears when the later stage protection film of being convenient for is attached.
Drawings
Fig. 1 is a schematic structural view of a protective film die cutting device of the present invention;
fig. 2 is a schematic view of a partial structure of the protective film die-cutting device of the present invention;
FIG. 3 is a schematic structural diagram of the protective film of the present invention during the cutting process;
fig. 4 is a schematic structural diagram of the protective film of the present invention.
In the figure: 10. a protective film winding roller; 11. a protective film; 20. an auxiliary film take-up roll; 21. an auxiliary film; 30. a cutting table; 40. a protective film collecting roller; 50. an auxiliary film collecting roller; 60. a nip roll; 70. cutting a cutting die; 80. a material receiving press roller; 90. a double-sided adhesive tape winding roller; 91. and (4) double-sided adhesive tape.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1-4, a protective film die cutting device includes a machine body, an auxiliary film roll-up roll 20, a protective film roll-up roll 10, a cutting table 30, an auxiliary film collecting roll 50 and a protective film collecting roll 40, wherein the auxiliary film roll-up roll 20, the protective film roll-up roll 10, the cutting table 30, the auxiliary film collecting roll 50 and the protective film collecting roll 40 are sequentially distributed at intervals in a film feeding direction, the auxiliary film roll-up roll 20, the protective film roll-up roll 10, the auxiliary film collecting roll 50 and the protective film collecting roll 40 are pivoted on the machine body, and a nip roll 60 and a cutting die 70 are arranged on the cutting table 30; a film feeding interval is formed between the nip roll 60 and the end surface of the cutting table 30 at intervals; the cutting blade 70 and the cutting table 30 may be spaced apart to form a cutting space.
The protective film winding roller 10 can be used for winding the protective film 11, and the protective film collecting roller 40 can pull the protective film 11 to be discharged through the protective film winding roller 10 in the rotating process and convey the protective film through the film feeding interval. Likewise, an auxiliary film take-up roller 20 is used to take up the auxiliary film 21, and the auxiliary film take-up roller 20 may be located at a side of the protective film take-up roller 10. The auxiliary film collecting roller 50 draws the auxiliary film 21 from the side edge of the protective film take-up roller 10 to cover the protective film 11 during rotation, and presses the auxiliary film on the side edge of the protective film 11 through the film-feeding gap to convey the auxiliary film to the cutting blade 70.
On the basis of the structure, use the utility model discloses a during protection film cutting device, rolling protection film 11 on protection film roll-up roller 10, when carrying out the cross cutting, protection film 11 on protection film roll-up roller 10 can be drawn forth in proper order through going into the membrane interval, cutting the interval and collecting the roller 40 rolling by the protection film, and protection film collection roller 40 can rotate under the drive of motor, provides a traction force and continuously draws forth protection film 11.
Similarly, the auxiliary film 21 can be wound by the auxiliary film winding roller 20, when die cutting is performed, the auxiliary film 21 on the auxiliary film winding roller 20 can be led out to sequentially pass through the film feeding interval and the cutting interval and be wound by the auxiliary film collecting roller 50, and the auxiliary film collecting roller 50 can be driven by the motor to rotate, so that a traction force is provided to continuously lead out the auxiliary film 21. Since the auxiliary film take-up roll 20 is provided on the rear side of the protective film take-up roll 10 in the film feeding direction, the auxiliary film 21 passes through the upper side of the protective film 11 after being discharged, and when both the auxiliary film 21 and the protective film 11 enter the film feeding space, the auxiliary film 21 can be attached to the side edge of the protective film 11 by the nip roll 60.
After the side edge of the protection film 11 is attached to the auxiliary film 21, the side edge of the protection film can be continuously conveyed to the cutting die 70 under the action of the traction force, the side edge of the protection film enters the cutting interval to be cut, the cutting die 70 can cut the auxiliary film 21 on the side edge of the protection film 11, deformation generated in the cutting process is fully protected and buffered by the auxiliary film 21, and therefore the situation that a gap is formed between the protection film 11 and a protection base material due to air bubbles generated after the protection film 11 is die-cut is avoided, the base material is prevented from being polluted by dust, the product yield is greatly improved, expensive cutting dies are also avoided being used, and the production cost is reduced. In addition, the auxiliary film 21 covered by the edge of the protection film 11 formed after cutting can be used as a tearing hand for the protection film 11, so that the tearing can be conveniently carried out in the later period of attaching the protection film 11.
Of course, after cutting, the excess residue of the auxiliary film 21 can be collected by the auxiliary film collecting roller 50 for post-processing, and the side cut protective film 11 can also be collected by the protective film collecting roller 40 for post-processing.
The auxiliary film 21 is attached to the side edge of the protective film 11, and then a portion thereof is exposed to be cut by the cutting blade 70.
Further, the machine body in this embodiment is further pivoted with a double-sided tape winding roller 90, the auxiliary film winding roller 20, the double-sided tape winding roller 90 and the protective film winding roller 10 are sequentially distributed at intervals along the film feeding direction, and the double-sided tape winding roller 90 and the auxiliary film winding roller 20 are correspondingly arranged in the film feeding direction. The double-sided adhesive tape furling roller 90 is used for drawing the double-sided adhesive tape 91 to be attached to the side edge of the protective film 11; the auxiliary film take-up roller 20 is used to pull the auxiliary film 21 to be attached to the double-sided tape 91.
On the basis of the structure, when the protective film 11 is die-cut, the double-sided adhesive tape 91 is wound on the double-sided adhesive tape winding roller 90, the double-sided adhesive tape 91 can be adhered to the side edge of the protective film 11 through the side edge of the protective film 11 in the unwinding process, and the auxiliary film winding roller 20 is arranged on the rear side part of the double-sided adhesive tape winding roller 90 in the film feeding direction, so that the auxiliary film 21 can be adhered to the side edge of the protective film 11 through the double-sided adhesive tape 91 after being discharged, and when the auxiliary film 21, the double-sided adhesive tape 91 and the protective film 11 all enter the film feeding interval, the auxiliary film 21 can be adhered to the side edge of the protective film 11 through the double-sided adhesive tape 91 under the action of the pressure roller 60, so that the auxiliary film 21 is better adhered to the side edge of the protective film 11.
Of course, the auxiliary film 21 may be an adhesive film, and is directly adhered to the protective film 11 during the pressing process.
Preferably, a material receiving press roller 80 can be further arranged on the cutting table 30, the material pressing roller 60, the cutting die 70 and the material receiving press roller 80 are sequentially arranged at intervals in the film feeding direction, and a material pressing interval is formed between the material receiving press roller 80 and the end face of the cutting table 30 at intervals. Thus, after the protective film 11 with the auxiliary film 21 is cut at the side edge, the protective film can be conveyed to the pressing interval again for further pressing, so that the auxiliary film 21 is only attached to the edge of the protective film 11, and meanwhile, the pressing block removes the side edge bubbles after the edge is cut in the pressing process.
Further, the both sides border of protection film furling roller 10 all is equipped with supplementary membrane furling roller 20, and supplementary membrane 21 wind-up roll all attaches supplementary membrane 21 at the both sides border of protection film 11, when the die cutting is all carried out at 11 both sides borders of protection film, the supplementary membrane 21 at both sides border all can play the protection cushioning effect, prevents 11 both sides borders of protection film and bubble production, and the yields is higher.
Certainly, the protection film 11 and the auxiliary film 21 are made of the PU material, that is, the auxiliary film 21 and the protection film 11 are made of the same material, and the deformation in the die cutting process keeps the tensile property consistent with that of the protection film 11 needing die cutting, so that the die cutting process is better protected.
Referring to fig. 3 and 4, the protective film die cutting device is manufactured by cutting, the edge of the protective film 11 cut by the protective film die cutting device is provided with the auxiliary film 21, and the side edge of the finished protective film 11 has no bubbles or gaps, so that dust is prevented from entering in the using process, and the service life is prolonged. And the auxiliary film 21 can directly replace the original tearing material and can also be used as a tearing hand, thereby being convenient for sticking the film.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (5)
1. A protective film die cutting device is characterized by comprising a machine body, an auxiliary film winding roller, a protective film winding roller, a cutting table, an auxiliary film collecting roller and a protective film collecting roller; the auxiliary film winding roller, the protective film winding roller, the cutting table, the auxiliary film collecting roller and the protective film collecting roller are sequentially distributed at intervals in a film feeding direction; a material pressing roller and a cutting knife die are arranged on the cutting table; a film feeding interval is formed between the nip roll and the end face of the cutting table at intervals;
the protective film collecting roller is used for drawing the protective film to be discharged through the protective film collecting roller in the rotating process and conveying the protective film through the film feeding interval; the auxiliary film winding roller is used for winding an auxiliary film and is positioned on the side edge of the protective film winding roller; the auxiliary film collecting roller is used for pulling an auxiliary film to be covered above the protective film through the side edge of the protective film furling roller in the rotating process, and the auxiliary film collecting roller is pressed on the side edge of the protective film at the film entering interval to be conveyed to the cutting knife die.
2. The protective film die-cutting device according to claim 1, wherein the machine body is pivotally connected with a double-sided tape winding roller, and the auxiliary film winding roller, the double-sided tape winding roller and the protective film winding roller are sequentially distributed at intervals along the film feeding direction; the double-sided adhesive tape winding roller and the auxiliary film winding roller are correspondingly arranged in the film feeding direction; the double-sided adhesive tape winding roller is used for drawing the double-sided adhesive tape to be attached to the side edge of the protective film; and the auxiliary film furling roller is used for drawing the auxiliary film to be adhered to the double-faced adhesive tape.
3. The protective film die-cutting device according to claim 1, wherein a material receiving press roll is further arranged on the cutting table, and the nip roll, the cutting die and the material receiving press roll are sequentially arranged at intervals in the film feeding direction; and material pressing intervals are formed between the material receiving compression roller and the end face of the cutting table at intervals.
4. The protective film die cutting device according to claim 1, wherein said auxiliary film take-up roll is provided at both side edges of said protective film take-up roll.
5. The protective film die-cutting device according to claim 1, wherein the protective film and the auxiliary film are made of PU material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649751.3U CN213802221U (en) | 2020-08-10 | 2020-08-10 | Protection film cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649751.3U CN213802221U (en) | 2020-08-10 | 2020-08-10 | Protection film cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213802221U true CN213802221U (en) | 2021-07-27 |
Family
ID=76950879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021649751.3U Active CN213802221U (en) | 2020-08-10 | 2020-08-10 | Protection film cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213802221U (en) |
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2020
- 2020-08-10 CN CN202021649751.3U patent/CN213802221U/en active Active
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