CN108406940A - Die cutting die and die cutting device - Google Patents
Die cutting die and die cutting device Download PDFInfo
- Publication number
- CN108406940A CN108406940A CN201810127854.4A CN201810127854A CN108406940A CN 108406940 A CN108406940 A CN 108406940A CN 201810127854 A CN201810127854 A CN 201810127854A CN 108406940 A CN108406940 A CN 108406940A
- Authority
- CN
- China
- Prior art keywords
- mold
- machined surface
- protective film
- die cutting
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4481—Cutters therefor; Dies therefor having special lateral or edge outlines or special surface shapes, e.g. apertures
Abstract
The invention discloses a kind of die cutting die and die cutting device, die cutting die includes the first mold and the second mold；There is first mold the first machined surface, the first mold to be equipped with host cavity, and host cavity forms opening on the first machined surface, and opening is as punching sword；Second mold has towards the end face of the first machined surface and the side opposite with the side wall of host cavity, and end face is for placing protective film blank；The edge of end face is bent to form the second machined surface towards the direction away from the first machined surface, region on end face in addition to the second machined surface is third machined surface, second machined surface is connected between third machined surface and side, and the second machined surface is cambered surface or the plane to be arranged in angle with third machined surface and side；When first mold is close to the second mold, end face can enter opening, and punching sword is made to recline side movement to be punched out to protective film blank.The protective film being punched into die cutting device using the die cutting die of the present invention, edge is not easy to scrape hand, better user experience.
Description
Technical field
The present invention relates to punching molding technical field more particularly to a kind of die cutting die and die cutting devices.
Background technology
User would generally paste layer protecting film on the display screen of electronic equipment (such as mobile phone, tablet computer), with right
Display screen is protected.The edge of existing protective film is right angle sharp edge, and it is heavier to scrape feel, influences user experience.
Invention content
In view of this, the present invention provides a kind of die cutting die and die cutting device, the edge for the protective film being punched into is not
Easily scrape hand, better user experience.
A kind of die cutting die, for being punched protective film blank to process protective film, the die cutting die includes can be opposite
The first mold and the second mold of movement；There is first mold the first machined surface, first mold to be equipped with host cavity,
The host cavity forms opening on first machined surface, and the opening is as punching sword；Second mold has direction
The end face and the side opposite with the side wall of the host cavity of first machined surface, the end face is for placing the protection
Film blank；The edge of the end face is bent to form the second machined surface towards away from the direction of first machined surface, on the end face
Region in addition to second machined surface is third machined surface, and second machined surface is connected to the third machined surface and institute
Between stating side, second machined surface is cambered surface or to be arranged in angle with the third machined surface and the side
Plane；When first mold is close to second mold, the end face can enter the opening, and the punching sword is made to recline institute
Side movement is stated to be punched out to the protective film blank.
A kind of die cutting device, including board, driving mechanism and die cutting die described above；The driving mechanism with it is described
Die cutting die is installed on the board, and the driving mechanism is used to provide driving force to the die cutting die, makes described the
With second mold relative motion occurs for one mold to be punched out.
In the solution of the present invention, the first mold is matched with the second mold, is bent to form by the end face edge of the second mold
The second machined surface be cambered surface or plane.When the first mold is opposite shifts to the second mold, the punching sword of the first mold is along basic
The direction of the side of the second mold is parallel to positioning protective film blank pressure on the end surface, by the side of protective film blank
Edge is fitted on the second machined surface and (bends the edge of protective film blank)；At this point, punching sword is continued on protective film base
Expect the waste material excision at edge, thus, it is possible to obtain edge to have the protective film of chamfering.Such protective film feel is not easy to scrape hand, feel
Preferably, the user experience is improved.
Description of the drawings
For more clearly illustrate the present invention construction feature and effect, come below in conjunction with the accompanying drawings with specific embodiment to its into
Row is described in detail.
Fig. 1 is the cross-sectional structure schematic diagram of the die cutting die of first embodiment of the invention；
Fig. 2 is the schematic diagram of the die cutting die punching protective film blank in Fig. 1；
Fig. 3 is the partial enlargement structural representation at I in Fig. 2；
Fig. 4 is the cross-sectional structure schematic diagram of the second mold and the protective film being punched into first embodiment of the invention；
Fig. 5 is the enlarged structure schematic diagram at II in Fig. 4；
Fig. 6 is the cross-sectional structure schematic diagram of the die cutting die of second embodiment of the invention；
Fig. 7 is the cross-sectional structure schematic diagram of the die cutting device of the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.Obviously, described embodiment is a part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained without making creative work
Example is applied, the scope of protection of the invention should be all belonged to.
Following embodiment of the present invention describes a kind of die cutting die, for being punched out to punching protective film blank, to add
Work goes out protective film.
As shown in Figure 1, the die cutting die 10 of first embodiment of the invention includes the first mold 11 and the second mold 12, first
Mold 11 and the second mold 12 can be movable relatively.For example, it may be the second mold 12 is fixed, the first mold 11 is towards the second mold
12 movements；Or first mold 11 fix, the second mold 12 moves towards the first mold 11；Or first mold 11 and the second mould
Tool 12 is respectively directed towards movement.For ease of description, being fixed with the second mold 12 in the embodiment of the present invention, 11 direction of the first mold
It is illustrated for the movement of second mold 12.At this point, protective film blank can be positioned on 12 surface of the second mold.
As shown in Figure 1, there is the first mold 11 first machined surface 11a, the first machined surface 11a will be moved in the first mold 11
To when being bonded with the second mold 12, press to the protective film blank being located on the second mold 12, in order to protective film blank
It is punched out.Host cavity A is additionally provided on first mold 11, host cavity A has side wall 11b, and is formed on the first machined surface 11a
Be open 11c.When the first mold 11 is bonded the second mold 12,12 part surface of the second mold and part protective film blank will
Enter in host cavity A from opening 11c.Opening 11c is sharp edge, is used as punching sword.Protective film blank is by first as a result,
Mold 11 and the clamping of the second mold 12, in order to be open, 11c is punched out.As shown in Figure 1, in this first embodiment, host cavity A
It can be a chamber for traversing the first mold 11.That is one end opposite with opening 11c host cavity A penetrates through the first mold 11, with
The surface opposite with the first machined surface 11a also forms opening on the first mold 11.
As shown in Figure 1, the second mold 12 has the end face B towards the first machined surface 11a, and the side wall with host cavity A
Side 12a opposite 11b.Wherein, end face B is for placing protective film blank, the edge of protective film blank can stretch out end face B it
Outside.The edge of end face B is bent to form the second machined surface 12b, the second machined surface 12b use towards away from the direction of the first machined surface 11a
In the marginal portion for resisting protective film blank, to be molded the marginal portion of protective film.The bending can be round and smooth bending so that
Second machined surface 12b is cambered surface.Correspondingly, the molding protection film edge of institute is cambered surface；Alternatively, the bending can also be straight line
Bending so that the second machined surface 12b is plane (i.e. the second machined surface 12b is fillet surface).Correspondingly, the molding protective film side of institute
Edge is fillet surface.
As shown in Figure 1, the region on the B of end face in addition to the second machined surface 12b includes for third machined surface 12c, i.e. end face B
Second machined surface 12b and third machined surface 12c.Second machined surface 12b is connected between third machined surface 12c and side 12a.This
In first embodiment, when the second machined surface 12b is cambered surface, the second machined surface 12b and third machined surface 12c and side 12a are equal
Rounding off.Certainly, in other embodiments, the second machined surface 12b can only in third machined surface 12c and side 12a
One rounding off, or with third machined surface 12c and side 12a be non-rounding off.In this first embodiment, second adds
Work face 12b may be with third machined surface 12c and side 12a in the plane of angle setting, as above-mentioned fillet surface.
As shown in Figures 2 and 3, when the first mold 11 is close to the second mold 12, end face B can enter opening 11c, i.e., second adds
Work face 12b and third machined surface 12c can enter in opening 11c.It should be understood that described herein, " the first mold 11 is close to second
Mold 12 ", including the first mold 11 movement and the second mold 12 fix, the second mold 12 movement and the first mold 11 fix, with
And first both mold 11 and the second mold 12 situation about respectively being moved to other side., but it is preferable that with the first mold 11 move and
In case of second mold 12 is fixed.
In conjunction with shown in Fig. 1 and Fig. 3, when end face, B is entered in opening 11c, protective film blank 100 is clamped in the first processing
To be bonded end face B between face 11a and end face B so that the edge of protective film blank 100 is laid with according to the shape of the second machined surface 12b.
At this point, punching sword (be open 11c) will bear against side 12a movements, to be punched out to protective film blank 100.It should be understood that due to
There is protective film blank between punching sword and side 12a, therefore described herein reclining refers to punching sword along the direction for being parallel to side 12a
It is mobile and minimum with the spacing of side 12a, it is not necessarily referring to punching sword and fits closely gapless with side 12a.
In this first embodiment, since the edge of the end face B of the second mold 12 has been bent to form the second machined surface 12b, when
When protective film blank 100 is pressed on end face B by the first mold 11 close to the second mold 12, the edge of protective film blank 100 will
The shape for being bonded the second machined surface 12b is laid with.At this point, punching sword continues the excess waste of protective film blank frontside edge
Excision obtains protective film, and the edge of this protective film will form chamfering.Edge have chamfering protective film be fitted in product (including but
It is not limited to screen) behind surface, user will be not easy to scrape hand when touching, and to improve touch feeling, enhance user experience.And
And due to the second machined surface 12b provided with bending, the edge of molding protective film be also bending (as cambered surface or fallen
Edged surface) so that protective film can tightly be fitted in 2.5D screens (the only screen of curved edge) or 3D (the whole screen in bending)
The surface of screen, to carry out good protection to 2.5D or 3D screens.
In the embodiment of the present invention, due to the material character of protective film, the first mold 11 complete punching and with the second mold
After 12 separation, the edge of protective film will appear rebound.As shown in Figure 4 and Figure 5, edge 101a occurs rebound and is no longer bonded second
Machined surface 12b makes the actual curvature of edge 101a be less than the curvature of the second machined surface 12b.Therefore, further, in order to ensure
The actual curvature of the edge 101a of protective film 101 meets design requirement (i.e. actual curvature is equal to design curvature), in advance will need
The curvature design of second machined surface 12b is at more than the design curvature, using the second machined surface 12b being more bent to protective film
It is moulding that blank carries out strength.As a result, after edge 101a is sprung back, the actual curvature of edge 101a can be equal to design song
Rate.In the embodiment of the present invention, the curvature of design curvature and the second machined surface 12b can according to actual needs and production practices
Verification is determined.In other embodiments, the curvature that can not have to limit the second machined surface 12b is in the big of the design curvature
Small relationship.
As depicted in figs. 1 and 2, in this first embodiment, it is preferred that host cavity A can be traverse the first mold 11 one
A chamber.That is one end opposite with opening 11c host cavity A penetrates through the first mold 11, to be processed with first on the first mold 11
Surface opposite face 11a also forms opening.At this point, sword is punched while being punched protective film blank 100, it can be by protective film blank
100 edge is pressed together on the second machined surface 12b.I.e. such mode presses and is punched protective film blank 100 by punching sword, with
Forming edge has the protective film 101 of chamfering and bending.
Further, in this first embodiment, third machined surface 12c can be cambered surface or plane.When for cambered surface, institute at
The protective film 101 of type is 3D protective films, to adapt to 3D screens or other products with curved surfaces.Certainly, in other implementations
In example, third machined surface 12c can be with the surface shape of arbitrary needs.
Further, in this first embodiment, positioning protective film blank 100 is may be provided on the second mold 12
Positioning region, in order to keep the position of protective film blank to fix and be accurately punched protective film blank 100.The positioning region includes
But it is not limited to such as positioning column, pilot pin, positioning convex platform entity structure.The positioning region can be arranged in the position arbitrarily needed
It sets.For example, the positioning region is located on the B of end face.Correspondingly, the position for corresponding to the positioning region on protective film blank 100 can be with
Location hole or locating slot are opened up, the location hole or locating slot are inserted into realize positioning in the positioning region.
As shown in fig. 6, a kind of die cutting die 20 is provided in second embodiment of the invention, it is identical as above-mentioned first embodiment
, die cutting die 20 includes the first mold 21 and the second mold 22 that can be movable relatively.Wherein, the first mold 21 has first
Machined surface 21a, the first mold 21 are equipped with host cavity A ', and host cavity A ' forms opening 21c, opening on the first machined surface 21a
21c is as punching sword.Second mold 22 has the end face B ' towards the first machined surface 21a, and the side wall 21b with host cavity A '
Opposite side 22a.End face B ' is for placing protective film blank, and the edge of end face B ' is towards away from the direction of the first machined surface 21a
Be bent to form the second machined surface 22b, the region on the B ' of end face in addition to the second machined surface 22b is third machined surface 22c, second plus
Work face 22b is connected between third machined surface 22c and side 22a.Second machined surface 22b is cambered surface or is and third machined surface
22c and side 22a is in the plane of angle setting.When first mold 21 is close to the second mold 22, end face B ' can enter opening
21c makes punching sword recline side 22a movements to be punched out to protective film blank.
As shown in fig. 6, in second embodiment of the invention, unlike above-mentioned first embodiment, the first machined surface 21a
On open up it is fluted, the inner cavity of the groove be host cavity A ' namely host cavity A ' only form opening in the first machined surface 21a and
And non-through first mold 21.Host cavity A ' has the bottom wall 21d opposite with third machined surface 22c, bottom wall 21d and side wall 21b
It is connected.When being punched sword and being punched protective film blank 100, bottom wall 21d and side wall 21b with the part protective film blank that is not punched
100 surface fitting, is pressed with doubled over portion protective film blank 100.I.e. when end face B ' enters in opening 21c, punching sword starts
When draping over one's shoulders blank 100 to protective film and being punched out, the inner wall (including bottom wall 21d and side wall 21b) of host cavity A ' with enter host cavity
Part protective film blank 100 (this part protective film blank 100 will form protective film 101) fitting in A ', to be protected to this part
Cuticula blank 100 is pressed.Such pressing had both been conducive to punching sword and had smoothly been punched, and the shape for being also conducive to protective film 101 is molded.Phase
Compared with the scheme of first embodiment, this second embodiment can be carried out good by the way that host cavity A ' is arranged to semi-enclosed groove
Good pressurize ensures punching quality.
As shown in fig. 6, in this second embodiment, further, (i.e. bottom wall 21d is arrived the distance of bottom wall 21d to punching sword
The distance of first machined surface 21a namely the depth of groove) it is the first distance d1；What the second machined surface 22b was connect with side 22a
The distance of position to third machined surface 22c are second distance d2.First distance d1 is greater than or equal to second distance d2.Such size
Relationship setting can make punching sword have enough strokes, avoid when being punched sword and not yet reaching cutting position, but because of bottom wall 21d and
Third machined surface 22c interferes and causes punching sword that can not continue on, so that it is guaranteed that punching sword can be by the edge of protective film blank
Waste material is punched completely.
As shown in fig. 7, the embodiment of the present invention additionally provides a kind of die cutting device 200, including board 202, driving mechanism 201
And the die cutting die (such as die cutting die 10 described in above-mentioned first embodiment) described in any of the above-described embodiment.Board 202 is
The major mechanical bearing assembly and electrical control maincenter of die cutting device 200.Driving mechanism 201 is installed in board with die cutting die
On 202, driving mechanism 201 is used to provide driving force to die cutting die, make the generation relative motion of the first mold and the second mold with
It is punched out.The die cutting device 200 of the present embodiment, capable of processing edge, there is the protective film of chamfering, such protective film to touch
It is not easy to scrape hand, better user experience.
In the present embodiment, further, die cutting device 200 can also include the detection device 203 on board 202,
Detection device 203 is used to detect the position of punching sword.Driving mechanism 201 is additionally operable to the testing result according to detection device 203, control
Make the feed speed of relatively described second mold of the first mold.It is filled for example, driving mechanism 201 may include control device and driving
It sets, wherein control device is used to obtain the testing result of detection device 203, and is controlled the driving device according to the testing result.
Driving device then provides the driving force, to control the relative motion of the first mold and the second mold.For example, control device is true
Surely punching sword then controls the driving device one larger driving force of offer when not yet reaching cutting position so that the first mold with compared with
Big opposite feed speed is close to the second mold；When control device is in determining punching sword arrival cutting position, then driving is controlled
Device provides a smaller driving force so that the first mold is with smaller opposite feed speed close to the second mold.Such setting
It can make the first mold Fast marching in idle stroke, be punched at a slow speed in punching time stroke, to improve processing effect
Rate simultaneously ensure that punching quality.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily expect various equivalent modifications or
It replaces, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention Ying Yiquan
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of die cutting die, for being punched protective film blank to process protective film, which is characterized in that
The die cutting die includes the first mold and the second mold that can be movable relatively；First mold has the first processing
Face, first mold are equipped with host cavity, and the host cavity forms opening, the opening conduct on first machined surface
It is punched sword；Second mold has towards the end face of first machined surface and the side opposite with the side wall of the host cavity
Face, the end face is for placing the protective film blank；The edge of the end face is curved towards the direction away from first machined surface
It rolls over and forms the second machined surface, the region on the end face in addition to second machined surface is third machined surface, and described second adds
Work face is connected between the third machined surface and the side, and second machined surface is cambered surface or is to add with the third
Work face and the side are in the plane of angle setting；When first mold is close to second mold, the end face can be into
Enter the opening, the punching sword is made to recline the side movement to be punched out to the protective film blank.
2. die cutting die according to claim 1, which is characterized in that
Second machined surface is cambered surface, and the second machined surface is used to form the marginal portion of the protective film, the protective film
There is design curvature, the curvature of second machined surface to be more than the design curvature for marginal portion.
3. die cutting die according to claim 1 or 2, which is characterized in that
One end opposite with the opening penetrates through first mold on the host cavity, so that the punching sword is described in punching
The edge of the protective film blank is pressed together on second machined surface while protective film blank.
4. die cutting die according to claim 1 or 2, which is characterized in that
Opened up on first machined surface it is fluted, the host cavity be the groove inner cavity, the host cavity have and institute
The opposite bottom wall of third machined surface is stated, the bottom wall is connected with the side wall；It is punched the protective film blank in the punching sword
When, the bottom wall and the side wall are bonded with the surface of the part the not being punched protective film blank with to the protective film
Blank presses.
5. die cutting die according to claim 4, which is characterized in that
The distance of the bottom wall to the punching sword is the first distance；The position that second machined surface is connect with the side is arrived
The distance of the third machined surface is second distance；First distance is greater than or equal to the second distance.
6. die cutting die according to claim 1 or 2, which is characterized in that
The third machined surface is cambered surface or plane.
7. die cutting die according to claim 1 or 2, which is characterized in that
Second mold is equipped with the positioning region for positioning the protective film blank.
8. die cutting die according to claim 1 or 2, which is characterized in that
The positioning region is pilot pin.
9. a kind of die cutting device, which is characterized in that
Including board, driving mechanism and claim 1-8 any one of them die cutting dies；The driving mechanism and the punching
Mold is installed on the board, and the driving mechanism is used to provide driving force to the die cutting die, makes first mould
With second mold relative motion occurs for tool to be punched out.
10. die cutting device according to claim 9, which is characterized in that
Further include the detection device being mounted on the board, the detection device is used to detect the position of the punching sword；Institute
It states driving mechanism and is additionally operable to testing result according to the detection device, control relatively described second mold of the first mold
Feed speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127854.4A CN108406940A (en) | 2018-02-07 | 2018-02-07 | Die cutting die and die cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127854.4A CN108406940A (en) | 2018-02-07 | 2018-02-07 | Die cutting die and die cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108406940A true CN108406940A (en) | 2018-08-17 |
Family
ID=63127940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810127854.4A Pending CN108406940A (en) | 2018-02-07 | 2018-02-07 | Die cutting die and die cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108406940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435621A (en) * | 2019-01-11 | 2020-07-21 | 京瓷株式会社 | Core member, method of manufacturing core member, and inductor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206703168U (en) * | 2017-04-21 | 2017-12-05 | 深圳市飞荣达科技股份有限公司 | Membrane material beveller and its manufactured membrane material |
| CN206855617U (en) * | 2017-07-06 | 2018-01-09 | 广东欧珀移动通信有限公司 | Cutting dies, mobile terminal diaphragm and mobile terminal |
-
2018
- 2018-02-07 CN CN201810127854.4A patent/CN108406940A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206703168U (en) * | 2017-04-21 | 2017-12-05 | 深圳市飞荣达科技股份有限公司 | Membrane material beveller and its manufactured membrane material |
| CN206855617U (en) * | 2017-07-06 | 2018-01-09 | 广东欧珀移动通信有限公司 | Cutting dies, mobile terminal diaphragm and mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435621A (en) * | 2019-01-11 | 2020-07-21 | 京瓷株式会社 | Core member, method of manufacturing core member, and inductor |
| CN111435621B (en) * | 2019-01-11 | 2021-08-20 | 京瓷株式会社 | Core member, method of manufacturing core member, and inductor |
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Application publication date: 20180817 |
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