WO2016197325A1 - 分段贴合式屏幕保护膜及其生产工艺、生产线 - Google Patents
分段贴合式屏幕保护膜及其生产工艺、生产线 Download PDFInfo
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- WO2016197325A1 WO2016197325A1 PCT/CN2015/081082 CN2015081082W WO2016197325A1 WO 2016197325 A1 WO2016197325 A1 WO 2016197325A1 CN 2015081082 W CN2015081082 W CN 2015081082W WO 2016197325 A1 WO2016197325 A1 WO 2016197325A1
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- Prior art keywords
- film
- die
- release film
- release
- screen
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 238000005520 cutting process Methods 0.000 claims description 134
- 230000001012 protector Effects 0.000 claims description 73
- 239000002131 composite material Substances 0.000 claims description 51
- 239000011265 semifinished product Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000010030 laminating Methods 0.000 claims description 11
- 239000000047 product Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 7
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 47
- 239000002344 surface layer Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
Definitions
- the invention relates to the field of screen protection film and its production process and equipment technology, and particularly relates to a segment-fit screen protection film and a production process and production line thereof.
- a screen protector is attached to the surface of the screen.
- screen protectors on the market are various according to the style of electronic products, but are structurally composed of three layers of film, the upper and lower layers are peeling films, and the middle is the protective film main film attached to the screen. .
- the periphery of the three-layer film is flush, so it is necessary to respectively peel the outer edge of the upper and lower peeling film.
- the strip can be peeled off better; on the other hand, since the upper and lower peeling films are monolithic, in the laminating process, the peeling film of the lower layer is often peeled off first, and then the edge of the protective film is held by hand to perform the pairing. Position and calibration, therefore, the alignment calibration is very inconvenient and takes a long time, so that all or most of the bonding surface of the main film of the protective film is exposed for a long time, and it is easy to adsorb particles in the air, and it is easy to have bubbles after bonding. Or bumps occur, affecting the quality of the fit and the life of the protective film.
- the object of the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a segmented and conformable screen protector, a production process thereof and a production line.
- the technical solution adopted by the present invention for achieving the object thereof is: a segment-fitting screen protective film comprising at least a first release film and a screen film main film, wherein the first release film has at least one The dividing line, that is, the first peeling film is divided into at least two areas by at least the dividing line.
- the edge of at least one of each of the facets of the first release film divided by the dividing line protrudes from the edge of the main film of the screen-protecting film.
- the screen protector further includes a second release film laminated on the upper surface of the main film of the screen protector film, and the second release film is externally attached with a tear-off strip.
- the periphery of the first release film protrudes from the edge of the main screen film and the second release film; and the screen protection film is provided with a plurality of shape hole regions.
- the invention also provides a production process of a segmented-fitting screen protector, which is suitable for producing a double-layer screen protector comprising a first release film and a screen protector main film; the production process comprises the following steps:
- a. preparing the film raw materials respectively: a first release film roll; a first release film protective film roll; a double-layer composite roll containing a release film and a screen save film main film; containing a release film and a running base film Double layer composite material roll;
- the first die-cutting blade of the first die-cutting machine is vertically cut from the first peeling film protective film, and the depth of the blade is controlled to pass through the first peeling film, so that three The first release film protective film and the first release film on the layer composite form at least one dividing line;
- the third laminating machine on which the dividing line is formed is placed on the second laminating machine, and the first release film protective film on the three-layer composite is peeled off; and the double-layer composite material containing the release film and the main film of the screen-protecting film is simultaneously removed.
- the second bonding machine is peeled off, and the release film is peeled off, and the main film of the screen protector film is adhered to the surface of the first release film to form a three-layer composite comprising the running base film, the first release film and the main film of the screen protection film. body;
- the second die-cutting machine having a closed second film cutting blade and a third die-cutting blade, controlling the second film cutting blade and the third die cutting
- the blade is simultaneously cut perpendicularly from the surface of the main film of the screen protector film, so that the blade depth of the second die cutting blade located in the outer frame just passes through the first peeling film, and the blade depth of the third die cutting blade located in the inner frame just passes through the main film of the screen protector film.
- the present invention also provides a production process of a segment-fitted screen protector comprising a first release film on the bottom layer, a main film on the screen in the middle, and a surface layer. a second release film; that is, the production process is suitable for producing a three-layer structure screen protector; the production process comprises the following steps:
- the first release film roll Preparing the film raw materials, respectively: the first release film roll; the first release film protective film a three-layer composite material roll comprising a release film, a screen protector main film and a second release film, wherein the main film of the screen protector film is located in the intermediate layer; and the double-layer composite material roll containing the release film and the running base film;
- the first die-cutting blade of the first die-cutting machine is vertically cut from the first peeling film protective film, and the depth of the blade is controlled to pass through the first peeling film, so that three The first release film protective film and the first release film on the layer composite form at least one dividing line;
- the third bonding machine on which the dividing line is formed is placed on the second bonding machine to peel off the first release film protective film on the three-layer composite; and the release film, the screen film main film and the second release film are simultaneously contained.
- the three-layer composite material is coated on the second laminating machine, and the release film is peeled off, and the main film of the screen-protecting film is bonded to the surface of the first release film to form a main film comprising the running film, the first release film and the screen protector film.
- the second die-cutting machine having a closed second film cutting blade and a third die-cutting blade, controlling the second film cutting blade and the third die cutting
- the cutting edge is simultaneously cut perpendicularly from the surface of the second peeling film, so that the blade depth of the second die cutting blade located at the outer frame just passes through the first peeling film, and the blade depth of the third die cutting blade located in the inner frame just passes through the main film of the screen protector film.
- the inner region of the third die cutting blade is simultaneously die-cut to form a plurality of shape hole regions, and the blade depth around the shape hole region penetrates at least the main film of the screen shielding film.
- step f The running base film separated in step f is re-rolled with the release film.
- the invention also provides a production line of a segment-fit screen protector comprising a first laminator, a first die-cutting machine, a second laminating machine and a second die-cutting machine, and at least one traction
- the first die cutting machine has a first die cutting blade formed by two parallel disposed blades, and the direction of the first die cutting blade is arranged along the running direction of the production line;
- the second die cutting machine has a rectangular shape a closed second film cutting blade and a third die cutting blade, wherein the second die cutting edge is located at the periphery, the third die cutting edge is located at the inner circumference, and the second die cutting edge has a blade depth greater than that of the third die cutting edge Blade depth.
- the third die cutting blade of the second die cutting machine is further provided with a plurality of hole cutting edges, and the blade edge has a blade depth of at least the blade depth of the third die cutting blade.
- the invention provides a dividing line in the first peeling film of the bottom layer, that is, the first peeling film is pre-divided into several sections, and when the filming operation is performed, the small area on the outermost side of the first peeling film may be firstly peeled off, and the other The rear surface area is not uncovered, so that the rear part of the protective film can be held by hand to perform the alignment step, so that the alignment step is faster and more accurate; when the area is fast-fitted, the tearing is opened again.
- 1 and 2 are a front view and a cross-sectional view of an embodiment of a screen protector of the present invention
- Figure 3 is a partial enlarged view of Figure 2;
- FIG. 4 is a schematic flow chart of a production process of a three-layer screen protector according to an embodiment of the present invention (the flow view of the first process and the third process is a view perpendicular to the running direction, and the view of the second process and the fourth process is parallel to the running direction. view);
- Figure 5 is a schematic structural view of a screen protective film production line of the present invention.
- FIG. 6 and FIG. 7 are schematic views of the die cutting edge of the first die cutting machine in the production line of the present invention.
- FIG 8 and 9 are schematic views of the die cutting edge of the second die cutting machine in the production line of the present invention.
- the present invention is a segment-fit screen protector.
- an IPHONE 5S mobile phone screen protector is taken as an example.
- the screen protector 1 includes a first release film 11 on the bottom layer, a screen protector main film 12 in the middle, and a second release film 13 on the surface layer.
- the second release film 13 is externally attached with a tear strip 14;
- a release film 11 has two dividing lines 101, that is, the first release film 11 is divided into three regions by the dividing line 101.
- each of the first release film 11 is divided by the dividing line 101 An edge of at least one side of the domain protrudes from an edge of the screen protector main film 12 and the second release film 13.
- the periphery of the first release film 11 protrudes from the edge of the screen film main film 12 and the second release film 13, that is, the first release film 11 is protruded around, so that each area can be It is torn in multiple directions for easy film handling. Compared with the method of peeling the strips on the outside of each area, the production efficiency is higher and the products are more beautiful and tidy.
- the screen protector 1 is provided with a plurality of shaped hole regions 102.
- the present invention further provides a production process of the above-mentioned segment-fitting screen protector, and the production process comprises the following steps:
- a. preparing a film raw material respectively: a first release film 11 roll; a first release film protective film 111 roll; a three-layer composite material containing the release film 1a, the screen save film main film 12, and the second release film 13 a roll in which the screen protector main film 12 is located in the intermediate layer; a double layer composite roll containing the release film 1b and the running base film 15;
- the release film 1b of the double-layer composite roll is peeled off by the first bonding machine 2, and the first release film 11 is attached to the surface of the running base film 15 to peel off the release film, and then the first release film is attached.
- the protective film 111 is adhered to the surface of the first release film 11 to form a three-layer composite comprising the running base film 15, the first release film 11, and the first release film protective film 111;
- the first die-cutting blade 31 of the first die-cutting machine 3 is vertically cut from the first peeling film protective film 111, and the depth of the blade is controlled to pass through the first peeling
- the film 11 is not cut to the running base film 15, so that the first release film protective film 111 and the first release film 11 on the three-layer composite form at least one dividing line 101; this embodiment passes two parallel first die cutting The cutting edge 31 simultaneously forms two dividing lines 101;
- the three-layer composite body on which the dividing line 101 is formed is placed on the second bonding machine 4, and the three layers are complexed.
- the first release film protective film 111 on the composite is peeled off; at the same time, the three-layer composite containing the release film 1a, the screen save film main film 12, and the second release film 13 is placed on the second bonding machine 4, and the release film is removed therefrom.
- the film 1a is peeled off, and the screen protector main film 12 is bonded to the surface of the first release film 11 to form a four-layer composite including the running base film 15, the first release film 11, the screen protector main film 12, and the second release film 13. ;
- the second die cutter 5 is die-cut on the formed four-layer composite, and the second die cutter 5 has a closed second film cutting blade 51 and a third die cutting blade 52 to control the second film cutting blade 51.
- the third die cutting blade 52 is simultaneously cut perpendicularly from the surface of the second release film 13, so that the blade depth of the second die cutting blade 51 located at the outer frame just penetrates the first release film 11, and the third die cutting blade 52 located at the inner frame The depth of the blade just passes through the main film 12 of the screen protector film, and a semi-finished screen protector film which is still combined with the running base film 15 is formed in the inner region of the second die cutting blade 51, and is formed at the second die cutting blade 51 and the third.
- the annular waste material 16 in the region between the die cutting blades 52, the annular waste material 16 comprises a perimeter structure of the main film 12 and a peripheral structure of the second release film 13;
- a plurality of shaped hole regions 102 are simultaneously die-cut at the inner region of the third die cutting blade 52, and the blade depth around the shaped hole region 102 penetrates at least the main film of the screen protector film 12, and may also
- the specification and position of the second die-cutting blade 51, the third die-cutting blade 52, and the hole-cutting blade 53 are exactly corresponding to the shape, size, and style of the specific mobile phone or other electronic products.
- the design of, Make the finished screen protector meet the requirements of use.
- the waste in the shape of the hole can be automatically separated from the bottom film of the operation, and some of the semi-finished products with the protective film can be manually removed.
- the whole process of the glove and the finger set are manually operated in the production process to ensure the quality of the protective film product.
- the running base film 15 separated in the step f is re-wound with the release film 1b, recycled, or directly returned to the starting position and directly put into use again.
- the main film of the screen-protecting film which is not composited with the second release film is used as a raw material, and the corresponding steps are produced, and the strip is not required to be peeled off, that is, A two-layer screen protector can be produced, so the production process and finished structure will not be described here.
- the present invention realizes continuous production by a production line including a first laminating machine 2, a first die-cutting machine 3, a second laminating machine 4, and a second die-cutting machine which are sequentially disposed.
- the first die cutter 3 has a first die cutting edge 31 formed by two parallelly disposed blades, and the first die cutting The direction of the blade 31 is set along the running direction of the production line, and two parallel dividing lines 101 are formed on the first peeling film 11 of the screen protector 1 by the first die cutting blade 31, so that the first peeling film 11 is divided into three regions.
- the second die cutting machine 5 has a rectangular, closed second film cutting blade 51 and a third die cutting blade 52, wherein the second die cutting blade 51 is located at the periphery, The third die cutting blade 52 is located in the inner circumference, and the blade depth of the second die cutting blade 51 is greater than the blade depth of the third die cutting blade 53, and the difference in blade depth is exactly the thickness of the first peeling film 11, so that the second After the die cutting machine 5 is die-cut, the edge of the first release film 11 is formed to protrude from the screen saver.
- the stripping strip can be easily peeled off without being attached, and the first peeling film 11 is divided into three areas, which can be attached in stages to prevent the post-adhesive area from being exposed for a long time and affecting the fitting. quality.
- the inside of the third die cutting blade 52 of the second die cutting machine 5 is further provided with a plurality of hole cutting edges 53, and the blade edge 53 has a blade depth of at least the blade edge of the third die cutting blade 52.
- the depth can also reach the blade depth of the second die cutting edge 51, but cannot be cut to the running base film 15.
- the hole-shaped blade 53 is for forming a through hole corresponding to a button, an earpiece or a lamp position and a camera position on a product such as a mobile phone, and the hole-shaped blade may be circular, strip-shaped or rectangular.
- the present invention provides a dividing line on the first peeling film of the bottom layer, that is, the first peeling film is pre-divided into several sections, and when performing the filming operation, the small area on the outermost side of the first peeling film may be firstly torn.
- the other areas of the back area are not uncovered, so that the back part of the protective film can be held by hand to perform the alignment step, so that the alignment step is faster and more accurate; when the area is fast and the surface is quickly fitted Then tearing off the next area of the first release film to perform the bonding, and thus sequentially; this can speed up the entire film, and try to avoid the long-term exposure of the main film of the screen surface film in other areas to the air, thereby reducing the The chance of adhering to small dust and other contaminants reduces the chance of bubbles after filming, making the film more compact, better use and protection, and longer life.
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- Laminated Bodies (AREA)
Abstract
一种分段贴合式屏幕保护膜（1）及其生产工艺、生产线。该屏幕保护膜（1）至少包括第一剥离膜（11）、和屏保膜主膜（12），其中，所述第一剥离膜（11）具有至少一条分割线（101），即所述第一剥离膜（11）至少由所述分割线（101）分为至少两个面域。通过在底层的第一剥离膜（11）设置分割线（101），即将第一剥离膜（11）预分为几段，这就可以在贴膜时，加快整个贴膜的速度，尽量避免其他面域的屏保膜主膜（12）长时间暴露在空气中，从而减少了粘附小灰尘等污物的几率，减少贴膜后产生气泡的几率，使贴膜更紧密，使用和保护效果更佳，使用寿命更长。
Description
本发明涉及屏幕保护膜及其生产工艺、设备技术领域，特指一种分段贴合式屏幕保护膜及其生产工艺、生产线。
现有的手机、平板电脑、ipad等电子产品多采用触控屏的方式进行操作，屏幕的使用寿命直接影响整个产品的使用寿命，因此消费者对屏幕的保护越来越重视，一般都会在产品屏幕表面贴上屏幕保护膜。目前市面上的屏幕保护膜根据电子产品的款式而多种多样，但从结构上而言都是由三层膜构成，上下两层为剥离膜，中间为贴合在屏幕上的保护膜主膜。在现有生产工艺中，一般是三层膜原料直接复合后，经过一次模切即成型，三层膜的周边均为平齐状态，因此需要分别在上下层剥离膜的外表边缘贴上便撕贴条才能更好地剥离；另一方面，由于上下两层剥离膜都是整体式的，在贴合过程中，往往先全部剥离下层的剥离膜，再用手扶住保护膜边缘去进行对位、校准，因此对位校准十分不便，花费时间较长，这样就使得保护膜主膜的全部或者绝大部分贴合面长时间暴露在外，容易吸附空气中的微粒，贴合后容易有气泡或者突点产生，影响贴合质量和保护膜的使用寿命。
发明内容：
本发明的目的即克服现有产品的上述不足之处，提供一种一种分段贴合式屏幕保护膜及其生产工艺、生产线。
本发明实现其目的采用的技术方案是：一种分段贴合式屏幕保护膜，该屏幕保护膜至少包括第一剥离膜、和屏保膜主膜，其中，所述第一剥离膜具有至少一条分割线，即所述第一剥离膜至少由所述分割线分为至少两个面域。
所述第一剥离膜被分割线分割成的每片面域中至少有一边的边缘突出于所述屏保膜主膜的边缘。
所述屏幕保护膜还包括复合在屏保膜主膜上表面的第二剥离膜，第二剥离膜外表贴有便撕贴条。
所述第一剥离膜的周边突出于所述屏保膜主膜和第二剥离膜的边缘；所述屏幕保护膜上设有数个形孔区域。
本发明还提供一种分段贴合式屏幕保护膜的生产工艺，该生产工艺适用于生产包括第一剥离膜和屏保膜主膜的双层的屏幕保护膜；其生产工艺包含如下步骤：
a.准备膜原料，分别为：第一剥离膜料卷；第一剥离膜保护膜料卷；含有离型膜、屏保膜主膜的双层复合料料卷；含有离型膜和运行底膜的双层复合料料卷；
b.经第一贴合机将双层复合料卷的离型膜剥离，将第一剥离膜贴合到运行底膜剥去离型膜的表面上，再将第一剥离膜保护膜贴合到第一剥离膜的表面，形成包含运行底膜、第一剥离膜、第一剥离膜保护膜的三层复合体；
c.将三层复合体上第一模切机模切，第一模切机的第一模切刀刃从第一剥离膜保护膜垂直切割，控制其刀锋深度恰好贯穿第一剥离膜，使三层复合体上的第一剥离膜保护膜、第一剥离膜形成至少一条分割线；
d.将成型有分割线的三层复合体上第二贴合机，将三层复合体上的第一剥离膜保护膜剥离；同时将含有离型膜、屏保膜主膜的双层复合料上第二贴合机，并将其中的离型膜剥离，再将屏保膜主膜与第一剥离膜表面贴合，形成包含运行底膜、第一剥离膜、屏保膜主膜的三层复合体；
e.将形成的三层复合体上第二模切机模切，第二模切机具有闭合式的第二膜切刀刃和第三模切刀刃，控制第二膜切刀刃和第三模切刀刃同时从屏保膜主膜表面垂直切割，使位于外框的第二模切刀刃的刀锋深度恰好贯穿第一剥离膜，位于内框的第三模切刀刃的刀锋深度恰好贯穿屏保膜主膜，在第二模切刀刃的内部区域形成仍与运行底膜复合在一起的屏幕保护膜半成品；
f.将屏幕保护膜半成品与运行底膜分离，去除屏幕保护膜半成品周边的环形废料，即得屏幕保护膜成品。
在上述工艺的基础上，本发明还提供一种分段贴合式屏幕保护膜的生产工艺，所述屏幕保护膜包括位于底层的第一剥离膜、位于中间的屏保膜主膜以及位于表层的第二剥离膜；即该生产工艺适用于生产三层结构的屏幕保护膜；其生产工艺包含如下步骤：
a.准备膜原料，分别为：第一剥离膜料卷；第一剥离膜保护膜
料卷；含有离型膜、屏保膜主膜以及第二剥离膜的三层复合料料卷，其中屏保膜主膜位于中间层；含有离型膜和运行底膜的双层复合料料卷；
b.经第一贴合机将双层复合料卷的离型膜剥离，将第一剥离膜贴合到运行底膜剥去离型膜的表面上，再将第一剥离膜保护膜贴合到第一剥离膜的表面，形成包含运行底膜、第一剥离膜、第一剥离膜保护膜的三层复合体；
c.将三层复合体上第一模切机模切，第一模切机的第一模切刀刃从第一剥离膜保护膜垂直切割，控制其刀锋深度恰好贯穿第一剥离膜，使三层复合体上的第一剥离膜保护膜、第一剥离膜形成至少一条分割线；
d.将成型有分割线的三层复合体上第二贴合机，将三层复合体上的第一剥离膜保护膜剥离；同时将含有离型膜、屏保膜主膜以及第二剥离膜的三层复合料上第二贴合机，并将其中的离型膜剥离，再将屏保膜主膜与第一剥离膜表面贴合，形成包含运行底膜、第一剥离膜、屏保膜主膜、第二剥离膜的四层复合体；
e.将形成的四层复合体上第二模切机模切，第二模切机具有闭合式的第二膜切刀刃和第三模切刀刃，控制第二膜切刀刃和第三模切刀刃同时从第二剥离膜表面垂直切割，使位于外框的第二模切刀刃的刀锋深度恰好贯穿第一剥离膜，位于内框的第三模切刀刃的刀锋深度恰好贯穿屏保膜主膜，在第二模切刀刃的内部区域形成仍与运行底膜复合在一起的屏幕保护膜半成品；
f.将屏幕保护膜半成品与运行底膜分离，去除屏幕保护膜半成品周边的环形废料，再在第二剥离膜的外表面贴上一便撕贴条，即得到屏幕保护膜成品。
进一步地，所述步骤e中，在第三模切刀刃的内部区域还同时模切形成数个形孔区域，且形孔区域周边的刀锋深度至少贯穿屏保膜主膜。
步骤f中分离出的运行底膜重新与离型膜贴合并收卷。
本发明同时提供一种分段贴合式屏幕保护膜的生产线，该生产线包括依次设置的第一贴合机、第一模切机、第二贴合机和第二模切机以及至少一牵引机构，所述第一模切机上具有由两条平行设置的刀锋构成的第一模切刀刃，且第一模切刀刃的方向沿生产线运行方向设置；所述第二模切机上具有呈矩形的、闭合式的第二膜切刀刃和第三模切刀刃，其中第二模切刀刃位于***、第三模切刀刃位于内围，且第二模切刀刃的刀锋深度大于第三模切刀刃的刀锋深度。
上述生产线中，所述第二模切机的第三模切刀刃的内部还设有数个形孔刀刃，且所述形孔刀刃的刀锋深度至少达到第三模切刀刃的刀锋深度。
本发明通过在底层的第一剥离膜设置分割线，即将第一剥离膜预分为几段，在进行贴膜操作时，可以先撕开第一剥离膜最边上的小面积的面域，其他后部面域暂不揭开，这样可以用手握住保护膜后部进行对准步骤，使对准步骤更加快速、准确；待对准并且该面域快贴合完成时，再撕开第一剥离膜的下一个面域进行贴合，如此
依次进行；这就可以加快整个贴膜的速度，尽量避免其他面域的屏保膜主膜长时间暴露在空气中，从而减少了粘附小灰尘等污物的几率，减少贴膜后产生气泡的几率，使贴膜更紧密，使用和保护效果更佳，使用寿命更长。
图1、图2是本发明一种屏幕保护膜实施例的主视图和剖视图；
图3是图2中的局部放大图；
图4是本发明一种实施例三层式屏幕保护膜生产工艺的流程示意图(其中流程一、流程三的视图是垂直于运行方向的视图，流程二、流程四的视图是平行于运行方向的视图)；
图5是本发明中屏幕保护膜生产线的结构示意图；
图6、图7是本发明生产线中第一模切机上模切刀刃的示意图；
图8、图9是本发明生产线中第二模切机上模切刀刃的示意图。
下面接合具体实施例和附图对本发明进一步说明。
首先，如图1、图2、图3所示，本发明所述的是一种分段贴合式屏幕保护膜，本实施例以IPHONE 5S手机屏幕保护膜为例。该屏幕保护膜1包括位于底层的第一剥离膜11、位于中间的屏保膜主膜12以及位于表层的第二剥离膜13，第二剥离膜13外表贴有便撕贴条14；所述第一剥离膜11具有两条分割线101，即所述第一剥离膜11由所述分割线101分为三个面域。
进一步而言，所述第一剥离膜11被分割线101分割成的每片面
域中至少有一边的边缘突出于所述屏保膜主膜12和第二剥离膜13的边缘。本实施例中，所述第一剥离膜11的周边突出于所述屏保膜主膜12和第二剥离膜13的边缘，即第一剥离膜11四周均突出，使每个面域都可以从多个方向撕开，便于贴膜操作。相比在每个面域外部贴合便撕贴条的方式，生产效率更高，产品更美观整洁。所述屏幕保护膜1上设有数个形孔区域102。
再结合图4-图9所示，本发明还提供上述分段贴合式屏幕保护膜的生产工艺，其生产工艺包含如下步骤：
a.准备膜原料，分别为：第一剥离膜11料卷；第一剥离膜保护膜111料卷；含有离型膜1a、屏保膜主膜12以及第二剥离膜13的三层复合料料卷，其中屏保膜主膜12位于中间层；含有离型膜1b和运行底膜15的双层复合料料卷；
b.经第一贴合机2将双层复合料卷的离型膜1b剥离，将第一剥离膜11贴合到运行底膜15剥去离型膜的表面上，再将第一剥离膜保护膜111贴合到第一剥离膜11的表面，形成包含运行底膜15、第一剥离膜11、第一剥离膜保护膜111的三层复合体；
c.将三层复合体上第一模切机模切3，第一模切机3的第一模切刀刃31从第一剥离膜保护膜111垂直切割，控制其刀锋深度恰好贯穿第一剥离膜11，未切到运行底膜15，使三层复合体上的第一剥离膜保护膜111、第一剥离膜11形成至少一条分割线101；本实施例通过两个平行的第一模切刀刃31，同时形成两条分割线101；
d.将成型有分割线101的三层复合体上第二贴合机4，将三层复
合体上的第一剥离膜保护膜111剥离；同时将含有离型膜1a、屏保膜主膜12以及第二剥离膜13的三层复合料上第二贴合机4，并将其中的离型膜1a剥离，再将屏保膜主膜12与第一剥离膜11表面贴合，形成包含运行底膜15、第一剥离膜11、屏保膜主膜12、第二剥离膜13的四层复合体；
e.将形成的四层复合体上第二模切机5模切，第二模切机5具有闭合式的第二膜切刀刃51和第三模切刀刃52，控制第二膜切刀刃51和第三模切刀刃52同时从第二剥离膜13表面垂直切割，使位于外框的第二模切刀刃51的刀锋深度恰好贯穿第一剥离膜11，位于内框的第三模切刀刃52的刀锋深度恰好贯穿屏保膜主膜12，在第二模切刀刃51的内部区域形成仍与运行底膜15复合在一起的屏幕保护膜半成品，同时含有形成在第二模切刀刃51与第三模切刀刃52之间区域的环形废料16，环形废料16包含屏保膜主膜12周边和第二剥离膜13周边两层结构；
f.将屏幕保护膜半成品与运行底膜15分离，去除屏幕保护膜半成品周边的环形废料16，再在第二剥离膜13的外表面贴上一便撕贴条14，即得到屏幕保护膜成品。
进一步地，所述步骤e中，在第三模切刀刃52的内部区域还同时模切形成数个形孔区域102，且形孔区域102周边的刀锋深度至少贯穿屏保膜主膜12，也可以恰好贯穿第一剥离膜11；所述第二模切刀刃51、第三模切刀刃52和形孔刀刃53等的规格、位置是针对具体手机或其他电子产品屏幕形状、大小、款式等进行相应的设计，
使成品屏幕保护膜符合使用要求。形孔区域的废料可随运行底膜自动分离，也有部分随保护膜半成品，手动清除即可，生产工艺中手工操作部分全程手套、指套作业，确保保护膜产品质量。
步骤f中分离出的运行底膜15重新与离型膜1b贴合并收卷，循环利用，或者直接导回至起始位置直接再次投入使用。
显然，在上述生产三层式屏幕保护膜的工艺中，在准备膜原料时，采用未复合第二剥离膜的屏保膜主膜为原料，进行相应的步骤生产，无需贴便撕贴条，即可生产出二层式的屏幕保护膜，因此其生产工艺和成品结构在此不再赘述。
如图5-图9所示，本发明通过如下生产线实现连续生产：该生产线包括依次设置的第一贴合机2、第一模切机3、第二贴合机4和第二模切机5以及至少一牵引机构、中间的过渡机构等(图中未示出)，所述第一模切机上3具有由两条平行设置的刀锋构成的第一模切刀刃31，且第一模切刀刃31的方向沿生产线运行方向设置，通过第一模切刀刃31在屏幕保护膜1的第一剥离膜11上成型两条平行的分割线101，使第一剥离膜11分为三个面域，从而可以进行分段贴合；所述第二模切机5上具有呈矩形的、闭合式的第二膜切刀刃51和第三模切刀刃52，其中第二模切刀刃51位于***、第三模切刀刃52位于内围，且第二模切刀刃51的刀锋深度大于第三模切刀刃53的刀锋深度，它们的刀锋深度差恰好是第一剥离膜11的厚度，这样经过第二模切机5模切后，形成第一剥离膜11的边缘突出于屏保膜主膜12和第二剥离膜13边缘的形态，从而使第一剥离膜11可
以无需贴便撕贴条即可方便地剥离，再加上第一剥离膜11分为三个面域，可以分段贴合，避免后贴合的面域过长时间暴露在外而影响贴合质量。
上述生产线中，所述第二模切机5的第三模切刀刃52的内部还设有数个形孔刀刃53，且所述形孔刀刃53的刀锋深度至少达到第三模切刀刃52的刀锋深度，当然也可达到第二模切刀刃51的刀锋深度，但不能切割到运行底膜15。形孔刀刃53是为了在屏幕保护膜上形成与手机等产品上的按键、听筒或者灯位、摄像头位置相对应的通孔，形孔刀刃可以是圆形、条形或者矩形等。
综上所述，本发明通过在底层的第一剥离膜设置分割线，即将第一剥离膜预分为几段，在进行贴膜操作时，可以先撕开第一剥离膜最边上的小面积的面域，其他后部面域暂不揭开，这样可以用手握住保护膜后部进行对准步骤，使对准步骤更加快速、准确；待对准并且该面域快贴合完成时，再撕开第一剥离膜的下一个面域进行贴合，如此依次进行；这就可以加快整个贴膜的速度，尽量避免其他面域的屏保膜主膜长时间暴露在空气中，从而减少了粘附小灰尘等污物的几率，减少贴膜后产生气泡的几率，使贴膜更紧密，使用和保护效果更佳，使用寿命更长。
上述实施例和附图中所示是本发明的简单实施例，熟悉本领域的人员可以在不脱离本发明思想的情况下，对上述实施例作出种种修改或变化，因而本发明的保护范围并不被上述实施例所限，而应是权利要求书上提到的创新性特征的最大范围。
Claims (10)
- 一种分段贴合式屏幕保护膜，该屏幕保护膜至少包括第一剥离膜、和屏保膜主膜，其特征在于：所述第一剥离膜具有至少一条分割线，即所述第一剥离膜至少由所述分割线分为至少两个面域。
- 根据权利要求1所述的分段贴合式屏幕保护膜，其特征在于：所述第一剥离膜被分割线分割成的每片面域中至少有一边的边缘突出于所述屏保膜主膜的边缘。
- 根据权利要求1所述的分段贴合式屏幕保护膜，其特征在于：所述屏幕保护膜还包括复合在屏保膜主膜上表面的第二剥离膜，第二剥离膜外表贴有便撕贴条。
- 根据权利要求3所述的分段贴合式屏幕保护膜，其特征在于：所述第一剥离膜的周边突出于所述屏保膜主膜和第二剥离膜的边缘；所述屏幕保护膜上设有数个形孔区域。
- 一种分段贴合式屏幕保护膜的生产工艺，所述屏幕保护膜包括第一剥离膜和屏保膜主膜；其特征在于：其生产工艺包含如下步骤：a.准备膜原料，分别为：第一剥离膜料卷；第一剥离膜保护膜料卷；含有离型膜、屏保膜主膜的双层复合料料卷；含有离型膜和运行底膜的双层复合料料卷；b.经第一贴合机将双层复合料卷的离型膜剥离，将第一剥离膜贴合到运行底膜剥去离型膜的表面上，再将第一剥离膜保护膜贴合到第一剥离膜的表面，形成包含运行底膜、第一剥离膜、第一剥离膜保护膜的三层复合体；c.将三层复合体上第一模切机模切，第一模切机的第一模切刀刃从第一剥离膜保护膜垂直切割，控制其刀锋深度恰好贯穿第一剥离膜，使三层复合体上的第一剥离膜保护膜、第一剥离膜形成至少一条分割线；d.将成型有分割线的三层复合体上第二贴合机，将三层复合体上的第一剥离膜保护膜剥离；同时将含有离型膜、屏保膜主膜的双层复合料上第二贴合机，并将其中的离型膜剥离，再将屏保膜主膜与第一剥离膜表面贴合，形成包含运行底膜、第一剥离膜、屏保膜主膜的三层复合体；e.将形成的三层复合体上第二模切机模切，第二模切机具有闭合式的第二膜切刀刃和第三模切刀刃，控制第二膜切刀刃和第三模切刀刃同时从屏保膜主膜表面垂直切割，使位于外框的第二模切刀刃的刀锋深度恰好贯穿第一剥离膜，位于内框的第三模切刀刃的刀锋深度恰好贯穿屏保膜主膜，在第二模切刀刃的内部区域形成仍与运行底膜复合在一起的屏幕保护膜半成品；f.将屏幕保护膜半成品与运行底膜分离，去除屏幕保护膜半成品周边的环形废料，即得屏幕保护膜成品。
- 一种分段贴合式屏幕保护膜的生产工艺，所述屏幕保护膜包括位于底层的第一剥离膜、位于中间的屏保膜主膜以及位于表层的第二剥离膜；其特征在于：其生产工艺包含如下步骤：a.准备膜原料，分别为：第一剥离膜料卷；第一剥离膜保护膜料卷；含有离型膜、屏保膜主膜以及第二剥离膜的三层复合料 料卷，其中屏保膜主膜位于中间层；含有离型膜和运行底膜的双层复合料料卷；b.经第一贴合机将双层复合料卷的离型膜剥离，将第一剥离膜贴合到运行底膜剥去离型膜的表面上，再将第一剥离膜保护膜贴合到第一剥离膜的表面，形成包含运行底膜、第一剥离膜、第一剥离膜保护膜的三层复合体；c.将三层复合体上第一模切机模切，第一模切机的第一模切刀刃从第一剥离膜保护膜垂直切割，控制其刀锋深度恰好贯穿第一剥离膜，使三层复合体上的第一剥离膜保护膜、第一剥离膜形成至少一条分割线；d.将成型有分割线的三层复合体上第二贴合机，将三层复合体上的第一剥离膜保护膜剥离；同时将含有离型膜、屏保膜主膜以及第二剥离膜的三层复合料上第二贴合机，并将其中的离型膜剥离，再将屏保膜主膜与第一剥离膜表面贴合，形成包含运行底膜、第一剥离膜、屏保膜主膜、第二剥离膜的四层复合体；e.将形成的四层复合体上第二模切机模切，第二模切机具有闭合式的第二膜切刀刃和第三模切刀刃，控制第二膜切刀刃和第三模切刀刃同时从第二剥离膜表面垂直切割，使位于外框的第二模切刀刃的刀锋深度恰好贯穿第一剥离膜，位于内框的第三模切刀刃的刀锋深度恰好贯穿屏保膜主膜，在第二模切刀刃的内部区域形成仍与运行底膜复合在一起的屏幕保护膜半成品；f.将屏幕保护膜半成品与运行底膜分离，去除屏幕保护膜半 成品周边的环形废料，再在第二剥离膜的外表面贴上一便撕贴条，即得到屏幕保护膜成品。
- 根据权利要求6所述的分段贴合式屏幕保护膜的生产工艺，其特征在于：所述步骤e中，在第三模切刀刃的内部区域还同时模切形成数个形孔区域，且形孔区域周边的刀锋深度至少贯穿屏保膜主膜。
- 根据权利要求6所述的分段贴合式屏幕保护膜的生产工艺，其特征在于：步骤f中分离出的运行底膜重新与离型膜贴合并收卷。
- 一种分段贴合式屏幕保护膜的生产线，该生产线包括依次设置的第一贴合机、第一模切机、第二贴合机和第二模切机，其特征在于：所述第一模切机上具有由两条平行设置的刀锋构成的第一模切刀刃，且第一模切刀刃的方向沿生产线运行方向设置；所述第二模切机上具有呈矩形的、闭合式的第二膜切刀刃和第三模切刀刃，其中第二模切刀刃位于***、第三模切刀刃位于内围，且第二模切刀刃的刀锋深度大于第三模切刀刃的刀锋深度。
- 根据权利要求9所述的分段贴合式屏幕保护膜的生产线，其特征在于：所述第二模切机的第三模切刀刃的内部还设有数个形孔刀刃，且所述形孔刀刃的刀锋深度至少达到第三模切刀刃的刀锋深度。
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