CN207671909U - A kind of die assembly improving two opposite side differences in height when glass bending is molded - Google Patents
A kind of die assembly improving two opposite side differences in height when glass bending is molded Download PDFInfo
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- CN207671909U CN207671909U CN201721607509.8U CN201721607509U CN207671909U CN 207671909 U CN207671909 U CN 207671909U CN 201721607509 U CN201721607509 U CN 201721607509U CN 207671909 U CN207671909 U CN 207671909U
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Abstract
The die assembly of two opposite side differences in height when the utility model provides a kind of improvement glass bending molding, including punch-pin (1) and cavity plate (2), punch-pin includes main forming part (11), main forming part, which is extended, limiting platform (12), cavity plate includes forming surface (21), and the locating platform (22) of forming surface edge setting is highly less than or equal to required shaped article convex surface total height.The die assembly of the utility model is simple in structure, it is easy to operate, it is at low cost, pass through the height for increasing limiting platform with reducing locating platform, two opposite side differences in height when four side brake forming of mobile phone glass can be effectively reduced, the difference in height that two long sides of 3D mobile phone glass of hot bending are carried out using this die assembly can be down to 0.05mm hereinafter, being entirely capable of meeting required tolerance, suitable for the four side brake forming of various hot-bending machines and various types of mobile phone glass.
Description
Technical field
The utility model is related to glass hot-bending dies, particularly, it is right to be related to when a kind of four side brake forming of improvement glass two
The die assembly of side difference in height.
Background technology
Existing 3D mobile phone glass panel hot bending die generally comprises punch-pin a and cavity plate b, punch-pin a internal structures such as Fig. 1 institutes
Show, cavity plate b internal structures are as shown in Figures 2 and 3, referring to Fig. 1~Fig. 3, be provided between the bottom surface and side of existing punch-pin with
The arc surface that the concave surface arc side of product c matches, and the height h of arc surface1More than the total height h of product0, the type of existing punch-pin
Cavity edge is provided with locating platform d, the height h of locating platform for positioning the flat glass before placing hot bending2Less than punch-pin
The height h of arc surface1But also greater than the total height h of product0, punch-pin is during pushing because of the external factor (carrying of such as cavity plate
Delivery platform when moving can be unbalanced etc. there are one the active force of horizontal direction or the pressure that be subject to of punch-pin to punch-pin)
More offsets are often turned left or turn right a bit, due to the height h of existing punch-pin arc surface1With the height h of cavity plate locating platform2
It is all higher than the total height h of product0, product edge has more activity space when hot bending deforms, will result in product both sides (i.e.
Opposite and parallel two long sides or two short sides) highly differ larger, especially two long sides, maximum can have the height of 0.2mm
Degree is poor, averagely there is the difference in height of 0.12mm, is more than the group reload request (tolerance general requirement within 0.05mm) of 3D mobile phone glass,
There is gap after causing glass assemblies, intakes, into dust impurity equivalent risk, mobile phone group reload request, therefore, the prior art is not achieved
It is middle that a kind of scheme is needed to improve this problem.
Utility model content
The set of molds of two opposite side differences in height when the utility model aim is to provide a kind of improvement four side hot bending of glass
Part, to solve the problems, such as to propose in background technology.
To achieve the above object, two opposite side differences in height when the utility model provides a kind of four side hot bending of improvement glass
Die assembly, including punch-pin 1 and cavity plate 2, the punch-pin include positioned at punch-pin die body bottom can be with required shaped article 3
31 matched main forming part 11 of (i.e. glass) concave surface, the top edge of the main forming part, which is extended, limiting platform 12, limits
Bit platform is vertical with punch-pin die body side 13, and limiting platform is used to limit the displacement of product edge in hot pressing, the limit
The distance H of platform to main forming part bottom surface is less than required shaped article convex surface overall height H0(also it is total height of required shaped article
Degree) and it is greater than or equal to required shaped article concave surface overall height H1, the cavity plate includes can be 32 with 3 convex surface of required shaped article
The forming surface 21 matched, the 22 height H of locating platform of forming surface edge setting2(the locating platform and cavity of forming surface edge setting
Distance between inner bottom surface) it is less than or equal to required shaped article convex surface overall height H0。
Preferably, the height H of the locating platform2With required shaped article convex surface overall height H0Between difference be Δ H, institute
The value range for stating Δ H is：0≤ΔH≤0.1.
Preferably, the limiting platform between the top after the final hot bending of required shaped article at a distance from be S, it is described
The value range of S is：0.03≤S≤0.05.
Further, the crossover position between the limiting platform and punch-pin die body side is provided with chamfering 14, and chamfering is used
Scuffing is generated to glass in preventing the punch-pin when putting punch-pin into the cavity plate for carrying flat glass blank.
Further, the chamfering is straight chamfering, and the length of side that chamfering corresponds to the right-angle side of limiting platform side is less than or waits
In limiting platform One-sided Widths W (limiting platform One-sided Widths W be the main forming part edge of punch-pin between punch-pin side wall at a distance from)
0.5 times.
The utility model has the advantages that：
The die assembly of the utility model is simple in structure, easy to operate, at low cost, passes through the mistake in punch-pin bottom surface and side
Limiting platform of the region setting for limiting mobile phone glass edge dislocation is crossed, the activity during mobile phone glass hot bending is limited
The locating platform height of range, the setting of forming surface edge is less than required shaped article convex surface total height, prevents locating platform and limit
Bit platform is interfered, and by the height for increasing limiting platform with reducing locating platform, can be effectively reduced four side of mobile phone glass and be bent to
Two opposite side differences in height when type, the difference in height that two long sides of 3D mobile phone glass of hot bending are carried out using this die assembly can be down to
0.05mm is hereinafter, be entirely capable of meeting required tolerance, suitable for four side of various hot-bending machines and various types of mobile phone glass
Brake forming.
In the utility model, the difference between the height of locating platform and required shaped article convex surface total height is more than or equal to 0
And it is less than or equal to 0.1, not with limiting platform interference simultaneously, the molding of glass is not being influenced.
In the utility model, limiting platform between the product edge after final hot bending at a distance from value range be 0.03
~0.05mm does not influence the molding of glass while controlling the difference in height on glass both sides in the required margin of tolerance.
In the utility model, the crossover position between limiting platform and punch-pin die body side is provided with chamfering, can prevent
Punch-pin is put to when the cavity plate for carrying flat glass blank, scuffing is generated to glass, promotes the yield of product.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is existing 3D mobile phone glass panel hot bending die punch-pin sectional view；
Fig. 2 is existing 3D mobile phone glass panel hot bending die cavity plate sectional view；
Fig. 3 is partial enlarged view at M in Fig. 2；
Fig. 4 is the punch-pin sectional view of the preferred embodiment in the utility model；
Fig. 5 is partial enlarged view at N in Fig. 4；
Fig. 6 is the cavity plate sectional view of the preferred embodiment in the utility model；
Fig. 7 is partial enlarged view at I in Fig. 6；
Fig. 8 is the preferred embodiment in the utility model punch-pin and the section design sketch after cavity plate pressing；
Fig. 9 is partial enlarged view at J in Fig. 8.
In Fig. 1~Fig. 3：A- punch-pin, b- cavity plates, c- products, d- locating platforms.
In Fig. 4~Fig. 9：1- punch-pin, the main forming parts of 11-, 12- limiting platforms, 13- punch-pin die bodys side, 14- chamferings, 2-
Cavity plate, 21- forming surfaces, 22- locating platforms, shaped article needed for 3-, the concave surfaces 31-, the convex surfaces 32-.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Referring to Fig. 4~Fig. 9 a kind of four side hot bending of improvement glass when two opposite side differences in height die assembly, including it is convex
Mould 1 and cavity plate 2, punch-pin include the main molding that can be exactly matched with 3 concave surface 31 of required shaped article positioned at punch-pin die body bottom
The outside horizontal extension of top edge in portion 11, main forming part is provided with limiting platform 12, limiting platform and punch-pin die body side 13
Vertically, limiting platform is used to limit the displacement of product edge in hot pressing, and the distance H of limiting platform to main forming part bottom surface is small
In required shaped article convex surface overall height H0It is (being also the total height of required shaped article) and total more than required shaped article concave surface
Height H1, cavity plate includes can be with 3 convex surface of required shaped article, 32 matched forming surface 21, and the top edge of forming surface is horizontal outward
Extended 22 height H of locating platform2(forming surface edge setting locating platform between cavity inner bottom surface at a distance from) be less than
Required shaped article convex surface overall height H0。
In the present embodiment, H=2.13mm, H0=2.41mm, H1=2.09mm, H2=2.35mm.
In the present embodiment, the height H of locating platform2With required shaped article convex surface overall height H0Between difference be Δ H, Δ H
=0.06.
In the present embodiment, limiting platform between the edge top after the final hot bending of required shaped article at a distance from be S,
S=0.04.
In the present embodiment, the crossover position between limiting platform and punch-pin die body side is provided with chamfering 14, and chamfering is used for
Prevent the punch-pin when putting punch-pin into the cavity plate for carrying flat glass blank from generating scuffing to glass.
In the present embodiment, chamfering is straight chamfering, and the length of side that chamfering corresponds to the right-angle side of limiting platform side is equal to 0.3mm,
Limiting platform One-sided Widths W is equal to 0.7mm.
The preferred embodiment of the utility model of Fig. 4~Fig. 9 is the increase in limit relative to the prior art one of Fig. 1~Fig. 3
Bit platform, the edge for blocking glass, glass is moved on one side more than the range allowed during preventing hot bending；On the other hand,
The height of locating platform is also set below institute by the preferred embodiment of the utility model relative to the prior art of Fig. 1~Fig. 3
Shaped article convex surface total height (height of locating platform is lower 0.06mm than required shaped article total height in the present embodiment) is needed, is prevented
Fastening bit platform interference effect limiting platform improves 3D mobile phone glass heat by the collective effect of limiting platform and locating platform
When roll forming the problem of two opposite side differences in height；On the other hand, the height of locating platform reduces, and width increases, increases therewith
The loaded area of locating platform is conducive to improve the stability of flat glass blank that it is carried during hot bending, is promoted
Product yield.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of die assembly improving two opposite side differences in height when glass bending is molded, which is characterized in that include in upper punch-pin
(1) with cavity plate (2) under, the punch-pin include positioned at punch-pin die body bottom can be with required shaped article (3) concave surface (31)
Matched main forming part (11), the top edge of the main forming part, which is extended, limiting platform (12), limiting platform with it is convex
Vertically, limiting platform is used to limit the displacement of product edge in hot pressing, the limiting platform to master for mould die body side (13)
The distance H of forming part bottom surface is less than required shaped article convex surface overall height H0And it is always high more than or equal to required shaped article concave surface
Spend H1, the cavity plate include can with required shaped article (3) convex surface (32) matched forming surface (21), forming surface edge setting
Locating platform (22) height H2Less than or equal to required shaped article convex surface overall height H0。
2. a kind of die assembly improving two opposite side differences in height when glass bending is molded according to claim 1, feature
It is, the height H of the locating platform2With required shaped article convex surface overall height H0Between difference be Δ H, the value of the Δ H
Ranging from：0≤ΔH≤0.1.
3. a kind of die assembly improving two opposite side differences in height when glass bending is molded according to claim 1, feature
Be, the limiting platform between the top after the final hot bending of required shaped article at a distance from be S, the value model of the S
Enclose for：0.03≤S≤0.05.
4. a kind of die assembly improving two opposite side differences in height when glass bending is molded according to claim 1, feature
It is, the crossover position between the limiting platform and punch-pin die body side is provided with chamfering (14), and chamfering is being incited somebody to action for preventing
Punch-pin puts punch-pin when into the cavity plate for carrying flat glass blank and generates scuffing to glass.
5. a kind of die assembly improving two opposite side differences in height when glass bending is molded according to claim 4, feature
It is, the chamfering is straight chamfering, and the length of side that chamfering corresponds to the right-angle side for limiting flat side is unilateral less than or equal to limiting platform
0.5 times of width W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607509.8U CN207671909U (en) | 2017-11-27 | 2017-11-27 | A kind of die assembly improving two opposite side differences in height when glass bending is molded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607509.8U CN207671909U (en) | 2017-11-27 | 2017-11-27 | A kind of die assembly improving two opposite side differences in height when glass bending is molded |
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| CN207671909U true CN207671909U (en) | 2018-07-31 |
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ID=62967231
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052916A (en) * | 2018-09-06 | 2018-12-21 | 蓝思科技（长沙）有限公司 | A kind of 3D bend glass and its forming method and mold |
| CN109650704A (en) * | 2019-03-01 | 2019-04-19 | 深圳盛为精工科技有限公司 | A kind of 3D hot bending right angle four sides contour glass and its production technology |
-
2017
- 2017-11-27 CN CN201721607509.8U patent/CN207671909U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052916A (en) * | 2018-09-06 | 2018-12-21 | 蓝思科技（长沙）有限公司 | A kind of 3D bend glass and its forming method and mold |
| CN109052916B (en) * | 2018-09-06 | 2021-09-24 | 蓝思科技（长沙）有限公司 | 3D curved glass and forming method and die thereof |
| CN109650704A (en) * | 2019-03-01 | 2019-04-19 | 深圳盛为精工科技有限公司 | A kind of 3D hot bending right angle four sides contour glass and its production technology |
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