CN203831923U - Punching cutter die for touch screen protective film - Google Patents
Punching cutter die for touch screen protective film Download PDFInfo
- Publication number
- CN203831923U CN203831923U CN201420214525.0U CN201420214525U CN203831923U CN 203831923 U CN203831923 U CN 203831923U CN 201420214525 U CN201420214525 U CN 201420214525U CN 203831923 U CN203831923 U CN 203831923U
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- China
- Prior art keywords
- knife edge
- touch
- protective film
- layer
- screen
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Abstract
The utility model provides a punching cutter die for a touch screen protective film. A cutter point of the punching cutter die is composed of an outer-layer cutter point and an inner-layer cutter point, the outer-layer cuter point and the inner-layer cutter point are both annular, punching edges of the two cutter points are located in the same plane, the inner-layer cutter point is located in the outer-layer cutter point, and an interval exists between the inner-layer cutter point and the outer-layer cutter point. The punching cutter die for the touch screen protective film is designed into a double-layer annular cutter point structure and can carry out annular cutting on the protective film. The protective film can be only attached to the peripheral area outside a visible area of a touch screen through an annular adhesive layer exposed after punching, the attaching procedure is simplified, and the yield is guaranteed.
Description
Technical field
The utility model relates to a kind of touch screen protective film punching cutter, belongs to panel and manufactures field.
Background technology
Because touch-screen has the advantages such as directly perceived, simple, quick, become the main flow input equipment that improves man machine operation interface, as mobile phone, PDA, multimedia, public information inquiry system etc.At present, touch-screen does thinner and thinner, in the process shifting, easily sustains damage, and therefore requires also more and more higher to touch-screen finished product protection.
Touch screen protective film is the indispensable thing that touch-screen is protected, and the Main Function of touch screen protective film is that touch panel sensor is protected, and prevents from causing the scratch of touch-screen, dirty, distortion etc. in the process shifting.As shown in Figure 1, comprise for the diaphragm of touch-screen the mould release membrance 1, glue-line 2 and the antistatic layer 3 that are cascading.When application, mould release membrance need to be thrown off and by glue-line, the visible area of antistatic layer and touch-screen is fitted tightly.It is last procedure in production that touch-screen is carried out to pad pasting; the attaching process of traditional touch screen protective film is; diaphragm is cut into and touch-screen visible area equidimension; throw off the visible area that glue-line is fitted to after mould release membrance to touch-screen; pass through again HTHP deaeration processing; drive the bubble between diaphragm and touch-screen out of, diaphragm and touch-screen are fitted tightly completely, complete bonding process.In the bonding process of prior art; the punching cutter that cutting diaphragm uses as shown in Figure 2; there is the annular knife edge 1; this annular knife edge has surrounded the closed ring consistent with wish laminating touch-screen visible area shape and size; utilize this punching cutter to carry out front from mould release membrance one side of diaphragm die-cut, can obtain the diaphragm being equal to visible area size.In the process of tradition laminating touch-screen, there is a fatal shortcoming; because larger area diaphragm film is fitted to touch screen surface by needs; between diaphragm and touch-screen, unavoidably can there be bubble; for these bubbles are driven out of; need to be through the deaeration operation of HTHP, in this deaeration process, very easily cause touch panel sensor distortion.
Therefore, laminating diaphragm process operations is also to ensure finished product of terminal company quality-critical link, and the input of HTHP deaeration processing and equipment has all increased cost and the operation easier of pad pasting operation.How effectively to solve touch panel sensor and seem particularly important because the HTHP deaeration operation in traditional attaching process causes the problem of distortion.
Utility model content
The utility model provides a kind of touch screen protective film punching cutter; this punching cutter is designed to double-layer circular knife edge structure; can carry out ring cutting to diaphragm; utilize the annular glue-line exposing after die-cut only to need to be fitted in the outer peripheral areas of touch-screen visible area; can simplify bonding process, also be beneficial to the guarantee of yield rate.
The utility model provides a kind of touch screen protective film punching cutter; the knife edge of described punching cutter is made up of the outer knife edge and the internal layer knife edge; the described outer knife edge and the described internal layer knife edge are annular; and the die-cut edge of two knifes edge is positioned at same plane; the described internal layer knife edge is located in the described outer knife edge, and the two has gap.
Further, the gap between the described outer knife edge and the described internal layer knife edge is 5-15mm.In the utility model, the gap between the described outer knife edge and the described internal layer knife edge can be identical or not identical, can determine according to the equipment profile of required laminating.In addition, if the gap between two knifes edge is less than 5mm, peeling off after annular mould release membrance, the glue-line area exposing is less, while laminating, is easy to come off with the outer peripheral areas beyond touch-screen visible area.Can cause the waste of material if the gap between two knifes edge is greater than 15mm because diaphragm in the process of manufacturing touch-screen, be only used to protect screen in assembling process not by contamination by dust, finished product has been assembled rear diaphragm and will have been removed.Therefore, the preferred 10mm in gap between the described outer knife edge and the described internal layer knife edge.
Further, the described outer knife edge is the annular that shape is identical with the internal layer knife edge, and is concentric annular.
The utility model also provides a kind of attaching process of touch screen protective film; change cutting and the laminating type of diaphragm; not only easy operating of this attaching process; can realize industrialization produces; and reduce again HTHP deaeration operation in traditional attaching process; significantly reduce production cost, promoted the competitive advantage of touch-screen finished product.
The utility model also provides a kind of attaching process of touch screen protective film, and described touch screen protective film has the mould release membrance, glue-line and the antistatic layer that are cascading, and described attaching process comprises the following steps:
Utilize above-mentioned touch screen protective film punching cutter to carry out front from mould release membrance one side of diaphragm die-cut, punching depth is cut mould release membrance and can peels off, shape and touch-screen visible area shape that the internal layer knife edge of punching cutter used surrounds are basic identical, and its size is slightly larger than touch-screen visible area size;
Diaphragm, after die-cut, peeled off and made this region expose annular glue-line corresponding to the annular mould release membrance between the internal layer knife edge and the outer knife edge;
Diaphragm after this is die-cut fits on touch-screen, makes exposed annular glue-line be pasted on the outer peripheral areas beyond the visible area of touch-screen.
In detailed description of the invention of the present utility model, described diaphragm comprises the mould release membrance, glue-line and the antistatic layer that are cascading.Diaphragm is after the internal layer knife edge and outer knife edge ring cutting of cutting die; the outer knife edge all cuts antistatic layer, glue-line, the mould release membrance of the diaphragm beyond the outer knife edge; the internal layer knife edge is only die-cut mould release membrance; be that diaphragm is after cutting die is die-cut; the internal layer knife edge comprises antistatic layer, glue-line and mould release membrance with interior diaphragm, and the diaphragm between the internal layer knife edge and the outer knife edge comprises antistatic layer and glue-line.
In the utility model, described glue-line is silica gel layer, urethane resin layer (being called for short: PU glue) or acrylic glue-line.At present, on market, the diaphragm of main flow is divided into silica gel layer, urethane resin layer or acrylic glue-line diaphragm by the composition of colloid conventionally.Further, the thickness of described mould release membrance is 1-2 μ m; The thickness of described antistatic layer is 1-2 μ m; The thickness of described glue-line is 1-2 μ m.In the utility model, the thickness of glue-line is moderate, and glue-line is blocked up, and the bonding force of itself and touch-screen is just larger; Glue-line is excessively thin, can make again it come off from touch-screen.
Further, the gap between the internal layer knife edge of described stamping cutting die and described visible area edge is 1-3mm.In the utility model, shape and touch-screen visible area shape that the internal layer knife edge of punching cutter used surrounds are basic identical, its size is slightly larger than touch-screen visible area size, its main purpose is in order to prevent after annular mould release membrance is peeled off, the edge of annular glue-line directly with the EDGE CONTACT of touch-screen visible area, understand in the mould release membrance that fit above visible area and produce bubble.
The punching cutter of the touch screen protective film that the utility model provides carries out ring cutting to diaphragm; make the annular region of diaphragm outside touch screen visible area expose glue-line; fitted in the outer peripheral areas beyond the visible area of touch-screen; the adhesion area of glue-line is relatively little; and not on visible area, be more conducive to avoid the glue-line of diaphragm to be directly fitted in the problem that produces bubble on touch-screen visible area.
Brief description of the drawings
Fig. 1 is the section structure schematic diagram of touch screen protective film.
Fig. 2 is the knife edge structure schematic top plan view of prior art touch screen protective film punching cutter.
Fig. 3 is the knife edge structure schematic top plan view of the utility model touch screen protective film punching cutter.
Fig. 4 is the structural representation that the utility model is fitted with the touch-screen of diaphragm.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples of the present utility model, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 3; present embodiment provides a kind of touch screen protective film punching cutter; the knife edge of described punching cutter is made up of the outer knife edge 2 and the internal layer knife edge 1; the described outer knife edge 2 and the described internal layer knife edge 1 are annular; and the die-cut edge of two knifes edge is positioned at same plane; the described internal layer knife edge 1 is located in the described outer knife edge 2, and the two has gap.
Wherein, the clearance C between the described outer knife edge 2 and the described internal layer knife edge 1 is 5-15mm.In the present embodiment, the gap between the described outer knife edge 2 and the described internal layer knife edge 1 is identical.In addition, if the gap between two knifes edge is less than 5mm, peeling off after annular mould release membrance, the glue-line area exposing is less, while laminating, is easy to come off with the outer peripheral areas beyond touch-screen visible area.Can cause the waste of material if the gap between two knifes edge is greater than 15mm because diaphragm in the process of manufacturing touch-screen, be only used to protect screen in assembling process not by contamination by dust, finished product has been assembled rear diaphragm and will have been removed.
Therefore, the preferred 10mm of clearance C between the described outer knife edge 2 and the described internal layer knife edge 1.In addition, in the present embodiment, the described outer knife edge 2 is the annular that shape is identical with the internal layer knife edge 1, and is concentric annular.
Be illustrated in figure 4 the structural representation that is fitted with the touch-screen of diaphragm in present embodiment.Described touch screen protective film has the mould release membrance, glue-line and the antistatic layer that are cascading.
Described attaching process comprises the following steps:
Utilize touch screen protective film punching cutter as shown in Figure 3 to carry out front from mould release membrance one side of diaphragm die-cut, punching depth is cut mould release membrance and can peels off, the shape B that the internal layer knife edge 1 of punching cutter used surrounds and touch-screen visible area A shape are basic identical, and its size is slightly larger than touch-screen visible area A size;
Diaphragm, after die-cut, peeled off and made this region expose annular glue-line C corresponding to the annular mould release membrance between the internal layer knife edge 1 and the outer knife edge 2;
Diaphragm after this is die-cut fits on touch-screen, makes exposed annular glue-line C be pasted on the outer peripheral areas beyond the visible area A of touch-screen, and the outer peripheral areas beyond visible area A is the D region indicating in Fig. 4.
The applicable diaphragm of the utility model can be same as the prior art, that is, can be with reference to as shown in Figure 1, described diaphragm comprises the mould release membrance 1, glue-line 2 and the antistatic layer 3 that are cascading.As shown in Figure 3; diaphragm is after the internal layer knife edge 1 and the outer knife edge 2 ring cuttings of cutting die; the outer knife edge 2 all cuts antistatic layer 3, glue-line 2, the mould release membrance 1 of the diaphragm beyond the outer knife edge 2; 1, the internal layer knife edge is die-cut mould release membrance 1; be that diaphragm is after cutting die is die-cut; the internal layer knife edge 1 comprises antistatic layer 3, glue-line 2 and mould release membrance 1 with interior diaphragm, and the diaphragm between the internal layer knife edge 1 and the outer knife edge 2 comprises antistatic layer 3 and glue-line 2.
Further, described glue-line 2 is silica gel layer, urethane resin layer (being called for short: PU glue) or acrylic glue-line.At present, on market, the diaphragm of main flow is divided into silica gel layer, urethane resin layer or acrylic glue-line diaphragm by the composition of colloid conventionally.Further, the thickness of described mould release membrance 1 is 1-2 μ m; The thickness of described antistatic layer 3 is 1-2 μ m; The thickness of described glue-line 2 is 1-2 μ m.In the utility model, the thickness of glue-line is moderate, and glue-line is blocked up, and the bonding force of itself and touch-screen is just larger; Glue-line is excessively thin, can make again it come off from touch-screen.
Further, as shown in Figure 4, the gap between the internal layer knife edge 1 of described stamping cutting die and described visible area A edge is 1-3mm.The shape B that the internal layer knife edge 1 of punching cutter used surrounds and touch-screen visible area A shape are basic identical, its size is slightly larger than touch-screen visible area A size, its main purpose is in order to prevent after annular mould release membrance is peeled off, the edge of annular glue-line C directly with the EDGE CONTACT of touch-screen visible area A, understand in the mould release membrance that fit above visible area A and produce bubble.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (3)
1. a touch screen protective film punching cutter; it is characterized in that; the knife edge of described punching cutter is made up of the outer knife edge and the internal layer knife edge; the described outer knife edge and the described internal layer knife edge are annular; and the die-cut edge of two knifes edge is positioned at same plane; the described internal layer knife edge is located in the described outer knife edge, and the two has gap.
2. touch screen protective film punching cutter according to claim 1, is characterized in that, the gap between the described outer knife edge and the described internal layer knife edge is 5-15mm.
3. touch screen protective film punching cutter according to claim 1 and 2, is characterized in that, the described outer knife edge is the annular that shape is identical with the internal layer knife edge, and is concentric annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214525.0U CN203831923U (en) | 2014-04-29 | 2014-04-29 | Punching cutter die for touch screen protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214525.0U CN203831923U (en) | 2014-04-29 | 2014-04-29 | Punching cutter die for touch screen protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203831923U true CN203831923U (en) | 2014-09-17 |
Family
ID=51509805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420214525.0U Expired - Fee Related CN203831923U (en) | 2014-04-29 | 2014-04-29 | Punching cutter die for touch screen protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203831923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935111A (en) * | 2014-04-29 | 2014-07-23 | 南昌欧菲光学技术有限公司 | Punching knife mold of touch screen protecting film and fitting process of touch screen protecting film |
| CN110497471A (en) * | 2018-05-16 | 2019-11-26 | 南昌欧菲显示科技有限公司 | Touch-control motherboard method for die cutting, punching tool and punching cutter |
-
2014
- 2014-04-29 CN CN201420214525.0U patent/CN203831923U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935111A (en) * | 2014-04-29 | 2014-07-23 | 南昌欧菲光学技术有限公司 | Punching knife mold of touch screen protecting film and fitting process of touch screen protecting film |
| CN103935111B (en) * | 2014-04-29 | 2016-09-21 | 南昌欧菲光学技术有限公司 | Touch screen protective film punching cutter and the attaching process of touch screen protective film |
| CN110497471A (en) * | 2018-05-16 | 2019-11-26 | 南昌欧菲显示科技有限公司 | Touch-control motherboard method for die cutting, punching tool and punching cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |