CN208250150U - A kind of hot bending die - Google Patents
A kind of hot bending die Download PDFInfo
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- CN208250150U CN208250150U CN201820465044.5U CN201820465044U CN208250150U CN 208250150 U CN208250150 U CN 208250150U CN 201820465044 U CN201820465044 U CN 201820465044U CN 208250150 U CN208250150 U CN 208250150U
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- cavity plate
- die
- hot bending
- insert
- briquetting
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Abstract
The utility model discloses a kind of hot bending dies, including punch-pin, cavity plate and die insert；The forming surface of punch-pin be equipped with the interior shape of heat-bending glass product match at module；The forming surface of cavity plate be equipped with the shaping groove that matches at module, the center of the groove floor of shaping groove is plane, and groove floor is along its length and/or the one or both ends of width direction are cambered surface；The mold insert groove for accommodating die insert is offered in groove floor, and die insert can be moved with cavity plate along die sinking direction.In the utility model, the joint of cavity plate and die insert is not located in cambered surface, when hot bending shape, die insert and punch-pin cooperation are fixed to hot bending plate, it is low to hot bending plate ambient temperature height, medium temperature, die insert is pressed on the region low to hot bending plate temperature, and die insert will not leave behind coining on glass product when thus forming；Meanwhile die insert fixation is motionless to hot bending plate, prevents glass product eccentric.
Description
Technical field
The utility model relates to heat-bending glass technical fields, particularly, are related to a kind of hot bending die.
Background technique
In the products hot bending shape such as glass cover-plate of the electronic product of mobile phone etc., glass is by cutting, washing the preliminary working such as mill
Afterwards, it is put into bending furnace together with hot bending die, as the temperature rises, glass reaches softening point at high temperature, under mold
Pressure causes glass molding.
As shown in Figure 1, there is a region of a plane at the center of heat-bending glass product 6, the then cambered surface transition of surrounding periphery, also
It is that radian processing is carried out to edge on the basis of flat glass.Currently, the mold that the hot bending equipment of coil heats uses is three
Template die lamps structure, negative mold are made of plane mold insert and molding flexure plane, wherein the plane domain of plane mold insert and glass product
Size is consistent, and when molding, mold surrounding quick heating, central area heating are slow, cause so at the time of molding glass product surrounding it is first
Softening, the position that plane connects with arc surface will generate the bad phenomenons such as water chestnut line, turned-down edge, greatly affected the non-defective unit of product
Rate.
Utility model content
The purpose of this utility model is to provide a kind of hot bending dies, are produced with solving heat-bending glass existing in the prior art
The high technical problem of fraction defective in product forming process.
To achieve the above object, the utility model provides a kind of hot bending die, including punch-pin, cavity plate and die insert；
The forming surface of the punch-pin be equipped with the interior shape of heat-bending glass product match at module；
The forming surface of the cavity plate is equipped with and the shaping groove to match at module, the groove of the shaping groove
The center of bottom surface is plane, and the groove floor is along its length and/or the one or both ends of width direction are cambered surface；It is described recessed
Offer the mold insert groove for accommodating the die insert in groove bottom, the joint of the cavity plate and the die insert is not
In the cambered surface, and the die insert can be moved with the cavity plate along die sinking direction；
When hot bending shape, the punch-pin, cavity plate and die insert form the heat-bending glass product.
Preferably, the die insert and the cavity plate are arranged with central axis, described in the length ratio of the die insert
The width of the small 20~35mm of the length of plane, the die insert are 6~15mm smaller than the width of the plane.
Preferably, the hot bending die further includes having cavity plate briquetting and mold insert briquetting, and the central part of the cavity plate briquetting is set
There are the mold insert block slots for mold insert briquetting insertion.
Preferably, the cavity plate briquetting is 5~20mm bigger than the female die single-side；The mold insert briquetting is than the die insert
Unilateral small 2~10mm.
Preferably, the cavity plate briquetting is fixedly connected with the first crimp column of hot bending equipment, the mold insert briquetting and hot bending
Second crimp column of equipment is fixedly connected, and the cavity plate briquetting and mold insert briquetting can be distinguished under the action of the hot bending equipment
It moves up and down.
Preferably, the mold insert groove cavity plate setting up and down, the two opposite sides of the mold insert groove are respectively provided with
One hanging platform, the intermediate position of the die insert two sides are equipped with the hanging platform groove matched with the hanging platform.
Preferably, multiple convexes are respectively equipped in the forming surface of the punch-pin and in the two opposite sides at module
It rises；The forming surface of the cavity plate is equipped with and the matched multiple positioning grooves of the positioning protrusion.
Compared with the prior art, the utility model has the following beneficial effects:
(1), a kind of hot bending die of the utility model, including punch-pin, cavity plate and die insert, in the groove floor of cavity plate
The mold insert groove for accommodating die insert is offered, die insert is plugged in mold insert groove, and die insert can be with recessed
Mould is moved along die sinking direction；In the structure setting, the joint of cavity plate and die insert is not located in cambered surface (i.e. mold insert groove
Side wall is located in the plane of groove floor), when hot bending shape, die insert and punch-pin cooperation are fixed to hot bending plate, to hot bending
Plate ambient temperature is high, medium temperature is low, and die insert is pressed on the region low to hot bending plate temperature, cavity plate when thus forming
Mold insert will not leave behind coining on glass product.
(2), the hot bending die of the utility model, die insert and cavity plate are arranged with central axis, the length of die insert
20~35mm smaller than the length of plane, the width of die insert is 6~15mm smaller than the width of plane.In the structure setting, cavity plate
Mold insert both can guarantee that die insert fixation was motionless to hot bending plate, prevent glass product eccentric；It can make the surrounding of die insert again
Side is located at low-temperature region.
(3), the hot bending die of the utility model further includes having cavity plate briquetting and mold insert briquetting, the central part of cavity plate briquetting
Equipped with the mold insert block slots being inserted into for mold insert briquetting, the shape of cavity plate briquetting and the shape of cavity plate are consistent, the shape of mold insert briquetting
It is consistent with the shape of die insert；The structure by setting cavity plate briquetting and mold insert briquetting make hot bending die each section by
Power is uniform, good forming effect.
(4), the hot bending die of the utility model, cavity plate briquetting are 5~20mm bigger than female die single-side；Mold insert briquetting compares female die embedding
The unilateral small 2~10mm of part；The structure setting is reasonable, convenient for operation.
(5), the hot bending die of the utility model is respectively equipped with more in the forming surface of punch-pin and in the two opposite sides at module
A positioning protrusion；The forming surface of cavity plate is equipped with and the matched multiple positioning grooves of positioning protrusion；By setting positioning protrusion and
Positioning groove positions when molding to punch-pin and cavity plate, improves working efficiency and product yield.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
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 constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is a kind of structural schematic diagram of heat-bending glass product；
Fig. 2 is a kind of structural schematic diagram of hot bending die of the utility model；
Fig. 3 is longitudinal cross-section (along its length) structural schematic diagram of hot bending die in Fig. 2；
Fig. 4 is the structural schematic diagram of the punch-pin of hot bending die in Fig. 2；
Fig. 5 is the structural schematic diagram of the cavity plate of hot bending die in Fig. 2；
Fig. 6 is the decomposition texture schematic diagram of the hot bending die of the utility model；
Wherein, 1, punch-pin, 1.1, at module, 1.2, positioning protrusion, 2, cavity plate, 2.1, shaping groove, 2.11, plane,
2.12, cambered surface, 2.2, mold insert groove, 2.3, positioning groove, 3, die insert, 4, cavity plate briquetting, 4.1, mold insert block slots, 5, edge
Part briquetting, 6, heat-bending glass product.
Specific embodiment
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
Benefit requires to limit and the multitude of different ways of covering is implemented.
Referring to fig. 2 to shown in Fig. 6, a kind of hot bending die of the utility model, including punch-pin 1, cavity plate 2 and die insert 3；
The forming surface of punch-pin 1 be equipped with the interior shape of heat-bending glass product 6 match at module 1.1；In the forming surface of cavity plate 2
It is plane 2.11, groove floor edge equipped with the center with the shaping groove 2.1 that matches at module, the groove floor of shaping groove
The both ends of length direction and width direction are cambered surface 2.12.The mold insert groove for accommodating die insert is offered in groove floor
2.2, cavity plate 2 is arranged mold insert groove 2.2 up and down, and the two opposite sides of mold insert groove are respectively provided with a hanging platform, die insert two
The intermediate position of side is equipped with the hanging platform groove matched with hanging platform, and die insert is movably arranged on mold insert groove by hanging platform limit
It is interior.The joint of cavity plate and die insert is not located in cambered surface 2.12 (the i.e. side wall of the mold insert groove plane that is located at groove floor
It is interior), and die insert can be moved with cavity plate along die sinking direction；When hot bending shape, punch-pin 1, cavity plate 2 and die insert 3 are total
With molding heat-bending glass product 6.
In the present embodiment, die insert 3 and cavity plate 2 are arranged with central axis, and the length of die insert 3 is than plane 2.11
The small 25mm of length, the width of die insert 3 is 10mm smaller than the width of plane 2.11.Place when hot bending plate, cavity plate under,
Punch-pin is placed and is put into inside hot bending equipment after whole set of die being spun upside down again after plate upper；The utility model is by changing
The size for becoming die insert makes die insert and cavity plate joint not in the place of cambered surface and flat face, and close to hot bending
Position at the center of glass product；The heating method of hot bending die is the heating of coil encircling mold, and heat is outside hot bending die
Portion passes to the center of hot bending die, and it is product surrounding that product, which needs molding position, then hot bending die external temperature reaches
It can start molding die to formed product temperature, the temperature of product center position is lower than the temperature outside hot bending die at this time,
Glass is that will not leave behind coining (such as water chestnut line) under conditions of low temperature, because glass under conditions of temperature is higher, becomes to get over
Softening, without hardness, so this mould structure can solve the generation of water chestnut line.
In the present embodiment, hot bending die further includes having cavity plate briquetting 4 and mold insert briquetting 5, and the central part of cavity plate briquetting 4 is set
There are the mold insert block slots 4.1 being inserted into for mold insert briquetting 5.The shape of cavity plate briquetting and the shape of cavity plate are consistent, the shape of mold insert briquetting
Shape is consistent with the shape of die insert.Specifically, the big 10mm more unilateral than cavity plate 2 of cavity plate briquetting 4；Mold insert briquetting 5 is than die insert 3
Unilateral small 8mm.The structure makes the uniform force of each section of hot bending die, molding by setting cavity plate briquetting and mold insert briquetting
Effect is good.
In the present embodiment, cavity plate briquetting 4 is fixedly connected with the first crimp column of hot bending equipment, mold insert briquetting 5 and hot bending
Second crimp column of equipment is fixedly connected, and cavity plate briquetting 4 and mold insert briquetting 5 can distinguish fortune up and down under the action of hot bending equipment
It is dynamic.Preferably, the first crimp column is two, which is located at the two opposite sides of mold insert block slots 4.1.At
Before type, product is pushed down on punch-pin by negative mold mold insert first, when the temperature outside hot bending die has reached forming temperature
Start to push cavity plate briquetting, punch-pin, cavity plate and die insert form heat-bending glass product jointly.
In the present embodiment, multiple convexes are respectively equipped in the forming surface of punch-pin 1 and in the two opposite sides at module 1.1
Play 1.2；The forming surface of cavity plate 2 is equipped with and the matched multiple positioning grooves 2.3 of positioning protrusion.By setting positioning protrusion and determine
Position groove positions when molding to punch-pin and cavity plate, improves working efficiency and 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 (7)
1. a kind of hot bending die, which is characterized in that including punch-pin (1), cavity plate (2) and die insert (3)；
The forming surface of the punch-pin (1) be equipped with the interior shape of heat-bending glass product (6) match at module (1.1)；
The forming surface of the cavity plate (2) is equipped with and the shaping groove (2.1) to match at module (1.1), the molding
The center of the groove floor of groove (2.1) be plane (2.11), the groove floor along its length and/or width direction one
End or both ends are cambered surface (2.12)；The mold insert groove for accommodating the die insert (3) is offered in the groove floor
(2.2), the joint of the cavity plate (2) and the die insert (3) is not located on the cambered surface (2.12), and the female die embedding
Part (3) can be moved with the cavity plate (2) along die sinking direction；
When hot bending shape, the punch-pin (1), cavity plate (2) and die insert (3) form the heat-bending glass product (6).
2. hot bending die according to claim 1, which is characterized in that the die insert (3) and the cavity plate (2) are in
The setting of mandrel line, the length of the die insert (3) is 20~35mm smaller than the length of the plane (2.11), the die insert
(3) width is 6~15mm smaller than the width of the plane (2.11).
3. hot bending die according to claim 1, which is characterized in that the hot bending die further includes having cavity plate briquetting (4)
With mold insert briquetting (5), the central part of the cavity plate briquetting (4) is equipped with the mold insert block slots for the mold insert briquetting (5) insertion
(4.1)。
4. hot bending die according to claim 3, which is characterized in that the cavity plate briquetting (4) is more unilateral than the cavity plate (2)
Big 5~20mm；The mold insert briquetting (5) is small 2~10mm more unilateral than the die insert (3).
5. hot bending die according to claim 3, which is characterized in that the cavity plate briquetting (4) and the first of hot bending equipment
Crimp column is fixedly connected, and the mold insert briquetting (5) is fixedly connected with the second crimp column of hot bending equipment, and the cavity plate briquetting
(4) it can move up and down respectively under the action of the hot bending equipment with mold insert briquetting (5).
6. hot bending die according to claim 1, which is characterized in that the mold insert groove (2.2) is described recessed up and down
Mould (2) setting, the two opposite sides of the mold insert groove (2.2) are respectively provided with a hanging platform, the centre of die insert (3) two sides
Position is equipped with the hanging platform groove matched with the hanging platform.
7. hot bending die according to claim 1, which is characterized in that in the forming surface of the punch-pin (1) and in it is described at
The two opposite sides of module (1.1) are respectively equipped with multiple positioning protrusion (1.2)；The forming surface of the cavity plate (2) be equipped with it is described
The matched multiple positioning grooves (2.3) of positioning protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820465044.5U CN208250150U (en) | 2018-04-04 | 2018-04-04 | A kind of hot bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820465044.5U CN208250150U (en) | 2018-04-04 | 2018-04-04 | A kind of hot bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208250150U true CN208250150U (en) | 2018-12-18 |
Family
ID=64638738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820465044.5U Active CN208250150U (en) | 2018-04-04 | 2018-04-04 | A kind of hot bending die |
Country Status (1)
| Country | Link |
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| CN (1) | CN208250150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847853A (en) * | 2020-08-21 | 2020-10-30 | 延锋伟世通电子科技（上海）有限公司 | Hot bending, processing, positioning and forming device for glass cover plate of vehicle-mounted display |
| CN115403252A (en) * | 2022-08-30 | 2022-11-29 | 福耀玻璃工业集团股份有限公司 | Male die, forming die and forming method |
-
2018
- 2018-04-04 CN CN201820465044.5U patent/CN208250150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847853A (en) * | 2020-08-21 | 2020-10-30 | 延锋伟世通电子科技（上海）有限公司 | Hot bending, processing, positioning and forming device for glass cover plate of vehicle-mounted display |
| CN115403252A (en) * | 2022-08-30 | 2022-11-29 | 福耀玻璃工业集团股份有限公司 | Male die, forming die and forming method |
| CN115403252B (en) * | 2022-08-30 | 2023-06-16 | 福耀玻璃工业集团股份有限公司 | Male die, forming die and forming method |
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