CN209352775U - A kind of bend glass hot bending die - Google Patents
A kind of bend glass hot bending die Download PDFInfo
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- CN209352775U CN209352775U CN201822210893.9U CN201822210893U CN209352775U CN 209352775 U CN209352775 U CN 209352775U CN 201822210893 U CN201822210893 U CN 201822210893U CN 209352775 U CN209352775 U CN 209352775U
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- cavity
- support plate
- hot bending
- accommodating cavity
- bend glass
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- 239000011521 glass Substances 0.000 title claims abstract description 74
- 238000013003 hot bending Methods 0.000 title claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 abstract description 13
- 238000003754 machining Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model provides a kind of bend glass hot bending die, belongs to technical field of mold.It solves the problems, such as that existing bend glass cover board processing quality is poor.This bend glass hot bending die includes upper mold, lower die and support plate, the bottom of upper mold has the mold core of protrusion setting, there is accommodating cavity in lower die, support plate is located in accommodating cavity, the peripheral edge of support plate has gap along between the cavity wall of accommodating cavity, the shape of the forming cavity and mold core that are formed between the upper surface and accommodating cavity cavity wall of support plate matches, mold core can be embedded into forming cavity, with the vacuum chamber that several are used to vacuumize between the bottom of support plate and the bottom wall for accommodating cavity, the bottom of lower die has several perforative through-holes for vacuumizing, through-hole is connected with vacuum chamber.This bend glass hot bending die has the advantages that processing quality is good.
Description
Technical field
The utility model belongs to technical field of mold, is related to a kind of bend glass hot bending die.
Background technique
With the development of the society, the development of science and technology, the development of the electronic equipments such as mobile phone, digital product is very rapid, hand
Machine, digital product etc. include glass screen.Glass screen includes plane cover board and bend glass cover board, bend glass cover board
Side edge thereof part is cambered surface smooth transition, this kind of structure improves the aesthetics of mobile phone shape, and improves user's use
Experience sense when screen contact action, therefore be more and more widely used.
The processing method of existing bend glass cover board carries out the edge of flat glass generally by the way of cold working
Grinding and polishing and occur on the bend glass cover board that obtains cambered surface edge, but easily obtain processing using cold working preparation method thin
Small crackle, the yields of strong influence glass cover-plate preparation, reduces processing quality.
Summary of the invention
The purpose of this utility model is to propose a kind of bend glass hot bending for the above-mentioned problems in the prior art
The technical issues of mold, solution is the machining accuracy for how improving bend glass, improves processing quality.
The purpose of this utility model can be realized by the following technical scheme: a kind of bend glass hot bending die, including upper
Mould, lower die and support plate, the bottom of the upper mold have the mold core of protrusion setting, have accommodating cavity in the lower die, special
Sign is that the support plate is located in accommodating cavity, and the peripheral edge of the support plate has along between the cavity wall of accommodating cavity
The shape in gap, the forming cavity and mold core that are formed between the upper surface and accommodating cavity cavity wall of the support plate matches, described
Mold core can be embedded into forming cavity, have several for vacuumizing between the bottom of the support plate and the bottom wall for accommodating cavity
Vacuum chamber, the bottom of the lower die has several perforative through-holes for vacuumizing, and the through-hole is connected with vacuum chamber
It is logical.
When hot bending, glass is placed on to the opening of accommodating cavity, this hot bending die is placed in heating furnace and is integrally added
Heat, Glass Transition vacuumize the accommodating cavity below glass by through-hole, are less than the air pressure below glass on glass
Side air pressure, deform glass slowly and move down, while upper mold moves down, mold core be resisted against on glass and gradually be embedded in mold core
Into forming cavity, mold core cooperation forming cavity can make glass molding become bend glass, by the hot pressing for vacuumizing cooperation mold core
Molding mode will crack glass not, to improve the machining accuracy of bend glass, improve processing quality.Through-hole and vacuum chamber
It is connected, vacuum chamber is vacuumized by through-hole, the bottom of support plate can be tightly fitted on the bottom of accommodating cavity,
Support plate will not move, to improve the machining accuracy of bend glass, improve processing quality.
In a kind of above-mentioned bend glass hot bending die, the hot bending die further includes middle mould in the shape of a frame, it is described in
The middle of mould has perforative through slot, and between upper die and lower die, the mold core can be entered the middle mould by through slot
It accommodates in cavity, embedded groove that is that there are several recessed settings on the middle mould and being embedded in for tool.Bend glass processing
After the completion, the depth of bend glass insertion is deeper, is embedded into embedded groove by tool, middle mould can be taken out, thus in making
Mould does not interfere with the taking-up of bend glass, improves the convenience that bend glass takes out.
In a kind of above-mentioned bend glass hot bending die, the edge of the lower die is fixed with several guide rods, institute
Guide rod is stated across middle mould, the edge of the upper mold has several pilot holes, and the guide rod and pilot hole correspond
Setting, the guide rod, which can be extend into pilot hole, moves upper mold along guide rod.The setting of guide rod and pilot hole makes
Mould is mobile by the direction of setting, improves the precision of molding, to improve the machining accuracy of bend glass, improves processing quality；It leads
To bar pass through middle mould, rationally utilize space, design rationally, while improve in mould placement precision.
In a kind of above-mentioned bend glass hot bending die, the cavity wall at the accommodating cavities open is oblique tilted sets
The guide surface set.The setting of guide surface plays the role of guiding to glass, and the glass after making softening is become by the direction movement of setting
Shape improves the machining accuracy of bend glass to prevent glass from deviateing direction initialization, improves processing quality.
In a kind of above-mentioned bend glass hot bending die, the vacuum chamber is recessed including the first arc pit, the second arc
Hole and rounded holding tank, the first arc pit are located at the bottom of support plate, the second arc pit and holding tank
It is respectively positioned on the bottom wall of accommodating cavity, the second arc pit is located in holding tank, and the diameter of the holding tank is greater than first
The bore of arc pit, the through-hole are connected with the second arc pit.This kind of structure enables support plate being adsorbed tightly
Firmly, support plate will not move, to improve the machining accuracy of bend glass, improve processing quality.
In a kind of above-mentioned bend glass hot bending die, the bottom of the support plate two sides all has the expansion being obliquely installed
Developable surface forms an amplification mouth in flared, the amplification mouth and gap between the expanding surface and the cavity wall for accommodating cavity
It is connected.The setting of amplification mouth enables the air in the forming cavity below glass to be preferably pumped, and makes the air pressure below glass
Less than the air pressure above glass, moved down after guaranteeing Glass Transition deformation.
Compared with prior art, bend glass hot bending die provided by the utility model has the advantage that
1, this bend glass hot bending die carries out hot bending to glass by way of hot pressing, relative to by carrying out to glass
The mode of cold working, it is possible to reduce occur a possibility that crack on glass, improve processing quality.
2, through-hole, which is arranged, in this bend glass hot bending die makes glass by vacuumizing to the accommodating cavity below glass
Voluntarily deformation moves down after glass softening, then the mode for cooperating mold core to carry out hot pressing forms, and the machining accuracy of bend glass can be improved,
Improve processing quality.
Detailed description of the invention
Fig. 1 is the overall structure of the explosion figure of this bend glass hot bending die.
Fig. 2 is the overall structure cross-sectional view of this bend glass hot bending die.
Fig. 3 is the overall structure diagram of this bend glass hot bending die lower die.
In figure, 1, upper mold；2, lower die；3, support plate；4, mold core；5, cavity is accommodated；6, forming cavity；7, vacuum chamber；71,
One arc pit；72, the second arc pit；73, holding tank；8, through-hole；9, middle mould；10, through slot；11, embedded groove；12, it is oriented to
Bar；13, pilot hole；14, guide surface；15, expanding surface；16, amplify mouth.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, this bend glass hot bending die includes upper mold 1, lower die 2, support plate 3, middle mould 9 and guide rod
12。
Middle mould 9 is in the shape of a frame, and the middle of middle mould 9 has perforative through slot 10, middle mould 9 between upper mold 1 and lower die 2,
In the present embodiment, two pairs of embedded grooves 11, in actual production, the number of embedded groove 11 are equipped in the upper and lower surface on middle 9 both sides of mould
Amount can be a pair or three pairs.In the present embodiment, the edge of lower die 2 is fixed with four guide rods 12, the edge of upper mold 1
There are four pilot holes 13 for tool, and guide rod 12 and pilot hole 13 are arranged in a one-to-one correspondence, in actual production, guide rod 12 and pilot hole
13 quantity can be six or eight, and guide rod 12 passes through middle mould 9, and guide rod 12 can be embedded into pilot hole 13 and make
Mould 1 is moved along guide rod 12.
The bottom of upper mold 1 has the mold core 4 of protrusion setting, as shown in figure 3, having accommodating cavity 5, support plate 3 in lower die 2
In accommodating cavity 5, the shape of the forming cavity 6 and mold core 4 that are formed between the upper surface and accommodating 5 cavity wall of cavity of support plate 3
Match, mold core 4 can be entered in accommodating cavity 5 by through slot 10 and is embedded into forming cavity 6.
The peripheral edge of support plate 3 has gap along between the cavity wall of accommodating cavity 5, and the bottom of 3 two sides of support plate has
There is the expanding surface 15 being obliquely installed, form an amplification mouth 16 in flared between expanding surface 15 and the cavity wall for accommodating cavity 5,
Amplification mouth 16 is connected with gap.The cavity wall for accommodating 5 opening of cavity is the guide surface 14 being obliquely installed in the diagonal, forming cavity 6
Positioned at the lower section of guide surface 14.
In the present embodiment, there are six the vacuum for vacuumizing for tool between the bottom of support plate 3 and the bottom wall for accommodating cavity 5
Chamber 7, the bottom tool of lower die 2 there are six the perforative through-hole 8 for vacuumizing, through-hole 8 be connected with vacuum chamber 7 and through-hole 8 and
Vacuum chamber 7 is arranged in a one-to-one correspondence, and in actual production, the quantity of through-hole 8 and vacuum chamber 7 can be four or eight.Very
Cavity 7 includes the first arc pit 71, the second arc pit 72 and rounded holding tank 73, and the first arc pit 71 is located at branch
The bottom of fagging 3, the second arc pit 72 and holding tank 73 are respectively positioned on the bottom wall of accommodating cavity 5, the second arc pit 72
In holding tank 73, the diameter of holding tank 73 is greater than the bore of the first arc pit 71, and through-hole 8 is connected with the second arc pit 72
It is logical.
When hot bending, glass is placed on the guide surface 14 of accommodating 5 opening of cavity, this hot bending die is placed on heating
Integrally heating makes Glass Transition in furnace, is vacuumized by through-hole 8 to vacuum chamber 7, the air meeting below glass in forming cavity 6
Pass through gap, amplification mouth 16, the bottom of support plate 3 and the accommodating cavity 5 between the surrounding and accommodating 5 cavity wall of cavity of support plate 3
Gap, vacuum chamber 7 and through-hole 8 between bottom are extracted out, so that the air pressure below glass is less than the air pressure above glass, to make
Glass deformation after softening moves down, while upper mold 1 moves down, mold core 4 be resisted against on glass and gradually so that mold core 4 is embedded into molding
In chamber 6, mold core 4 cooperates forming cavity 6 that glass molding can be made to become bend glass.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although upper mold 1, lower die 2, support plate 3, mold core 4, accommodating cavity 5, forming cavity 6, vacuum is used more herein
Chamber 7, the first arc pit 71, the second arc pit 72, holding tank 73, through-hole 8, middle mould 9, through slot 10, embedded groove 11, guide rod
12, the terms such as pilot hole 13, guide surface 14, expanding surface 15, amplification mouth 16, but it does not exclude the possibility of using other terms.
The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as any one
Additional limitation is all contrary to the spirit of the present invention.
Claims (6)
1. a kind of bend glass hot bending die, including upper mold (1), lower die (2) and support plate (3), the bottom tool of the upper mold (1)
There is the mold core (4) of protrusion setting, there is accommodating cavity (5) in the lower die (2), which is characterized in that the support plate (3) is located at
It accommodates in cavity (5), there is gap, the support between the peripheral edge edge and the cavity wall of accommodating cavity (5) of the support plate (3)
The forming cavity (6) and the shape of mold core (4) formed between the upper surface and accommodating cavity (5) cavity wall of plate (3) matches, the mould
Core (4) can be embedded into forming cavity (6), have several between the bottom of the support plate (3) and the bottom wall for accommodating cavity (5)
The bottom of vacuum chamber (7) for vacuumizing, the lower die (2) has several perforative through-holes (8) for vacuumizing, institute
Through-hole (8) is stated to be connected with vacuum chamber (7).
2. a kind of bend glass hot bending die according to claim 1, which is characterized in that the hot bending die further includes being in
The middle mould (9) of frame-shaped, the middle of the middle mould (9) have perforative through slot (10), the middle mould (9) be located at upper mold (1) and
Between lower die (2), the mold core (4) can by through slot (10) enter accommodating cavity (5) in, the middle mould (9) if on have
Embedded groove (11) that is doing a recessed setting and being embedded in for tool.
3. a kind of bend glass hot bending die according to claim 2, which is characterized in that the edge of the lower die (2)
Several guide rods (12) are fixed with, the guide rod (12) passes through middle mould (9), and the edge of the upper mold (1) has several
A pilot hole (13), the guide rod (12) and pilot hole (13) are arranged in a one-to-one correspondence, and the guide rod (12), which can extend into, leads
Make upper mold (1) mobile along guide rod (12) in hole (13).
4. a kind of bend glass hot bending die according to claim 1 or 2 or 3, which is characterized in that the accommodating cavity
(5) cavity wall of opening is the guide surface (14) being obliquely installed in the diagonal.
5. a kind of bend glass hot bending die according to claim 1 or 2 or 3, which is characterized in that the vacuum chamber (7)
Including the first arc pit (71), the second arc pit (72) and rounded holding tank (73), the first arc pit
(71) it is located at the bottom of support plate (3), the second arc pit (72) and holding tank (73) are respectively positioned on the bottom of accommodating cavity (5)
On wall, the second arc pit (72) is located in holding tank (73), and it is recessed that the diameter of the holding tank (73) is greater than the first arc
The bore of (71) is cheated, the through-hole (8) is connected with the second arc pit (72).
6. a kind of bend glass hot bending die according to claim 1 or 2 or 3, which is characterized in that the support plate (3)
The bottom of two sides all has the expanding surface (15) being obliquely installed, shape between the expanding surface (15) and the cavity wall for accommodating cavity (5)
It is in the amplification mouth (16) of flared at one, the amplification mouth (16) is connected with gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822210893.9U CN209352775U (en) | 2018-12-26 | 2018-12-26 | A kind of bend glass hot bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822210893.9U CN209352775U (en) | 2018-12-26 | 2018-12-26 | A kind of bend glass hot bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209352775U true CN209352775U (en) | 2019-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822210893.9U Active CN209352775U (en) | 2018-12-26 | 2018-12-26 | A kind of bend glass hot bending die |
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| Country | Link |
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| CN (1) | CN209352775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451954A (en) * | 2020-04-03 | 2020-07-28 | 京东方科技集团股份有限公司 | Curved surface laminating tool |
-
2018
- 2018-12-26 CN CN201822210893.9U patent/CN209352775U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451954A (en) * | 2020-04-03 | 2020-07-28 | 京东方科技集团股份有限公司 | Curved surface laminating tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building B1, Zhoujiang Intelligent Manufacturing Industrial Park, Pingxiang Economic and Technological Development Zone, Pingxiang City, Jiangxi Province, 337099 Patentee after: Jiangxi Star Technology Co., Ltd. Address before: 318000 building 4, hongjiaxingxing electronic industry base, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG XINGXING TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |