CN109384375A - It is a kind of for forming the hot bending die of bend glass - Google Patents
It is a kind of for forming the hot bending die of bend glass Download PDFInfo
- Publication number
- CN109384375A CN109384375A CN201710687014.9A CN201710687014A CN109384375A CN 109384375 A CN109384375 A CN 109384375A CN 201710687014 A CN201710687014 A CN 201710687014A CN 109384375 A CN109384375 A CN 109384375A
- Authority
- CN
- China
- Prior art keywords
- positioning device
- wavy surface
- hot bending
- die
- boss
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
- C03B23/0302—Re-forming glass sheets by bending by press-bending between shaping moulds between opposing full-face shaping moulds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a kind of for forming the hot bending die of bend glass, including lower die and upper mold, and the lower plate forming surface of lower die is equipped with boss, locating piece and lower mode;The upper plate forming surface of upper mold is equipped with the first positioning device, the second positioning device and upper cores;The surface of lower mode is set as between boss and locating piece the first wavy surface on the direction of line at least one lug boss and recessed portion, and the surface of upper cores is set as the second wavy surface to match with the first wavy surface;In hot bending shape, the forming surface of lower die and upper mold is oppositely arranged, the lug boss and recessed portion of first wavy surface match with the recessed portion of the second wavy surface and lug boss respectively, and mode and upper cores form the type chamber for hot bending shape bend glass at present in molding state for lower die and upper mold.Hot bending die of the invention can be used for large-sized bend glass molding, and structurally reasonable, manufacturing cost is low;Improve product yield and working efficiency.
Description
Technical field
The present invention relates to bending mould technical fields, particularly, are related to a kind of for forming bend glass curved surface
Hot bending die.
Background technique
Existing glass hot-bending die includes upper die and lower die seat and the driving group for driving the downward mold insert movement of upper mold insert
Part has type chamber between upper die holder and lower die holder, upper die holder, lower die holder are in be wholely set, and be made of heat conductive graphite sheet material.
In use, glass workpiece is previously placed between upper die holder and lower die holder, is heated to required for hot bending shape to glass workpiece
Temperature, i.e., 700 DEG C or more, then allow upper die holder and lower die holder to mold again, make glass workpiece hot bending shape.Wherein, due to thermally conductive
Graphite sheet internal structure is lamellar structure, in high temperature, it is scaling-off to be easy picking, and be oxidized, causes glass workpiece in hot bending
Molding rear surface has retained a large amount of points, subsequent to need to glass progress polishing operation, time-consuming and laborious.Above-mentioned hot bending die is main
For forming 3D bend glass, hardly possible meets enterprise to the process requirements of undaform bend glass, thus need to develop it is a kind of at
The hot bending die of type undaform bend glass.
Summary of the invention
The purpose of the present invention is to provide a kind of heat for being used to form bend glass structurally reasonable, hot bending shape effect is good
Bending mould, to solve the problems, such as to propose in background technique.
To achieve the above object, the present invention provides a kind of for forming the hot bending die of bend glass, including lower die and
Upper mold, the lower die include lower plate, the first positioning device for being set to lower plate forming surface one end, are set to bottom sheet metal forming
Second positioning device of the face other end and the lower mode being set between first positioning device and the second positioning device;
The upper mold include upper plate, be set in upper plate forming surface and respectively with first positioning device, the second positioning device,
And third positioning device, the 4th positioning device and upper cores that lower mode matches;The surface of the lower mode is set as
Between first positioning device and the second positioning device on the direction of line at least one lug boss and recessed portion the
One wavy surface, the surface of the upper cores are set as the second wavy surface to match with first wavy surface;In hot bending shape
When, the forming surfaces of the upper die and lower die is oppositely arranged up and down, and the lug boss and recessed portion of first wavy surface are respectively with the
The recessed portion and lug boss of two wavy surfaces match, the lower die and upper mold the lower die Renhe upper cores shape in the state of molding
At the type chamber for being used for hot bending shape bend glass (31).
Preferably, the lower die is identical with the structure of upper mold, and first wavy surface and the second wavy surface are lug boss
The wavy surface equal with the quantity of recessed portion;First positioning device and the 4th positioning device are the identical locating piece of structure,
Second positioning device and the third positioning device are the identical boss of structure, and the boss is equipped with and another mold
On the positioning groove that matches of locating piece (A).
Preferably, the lower plate and upper plate are rectangular parallelepiped structure, boss, the lower die Renhe locating piece of the lower die
Length direction along the lower plate is set gradually, the wave extending direction of the lower mode and the length direction of the lower plate
Consistent setting, wavy surface one end of the lower mode wave extending direction are highest point, the highest point and the boss top surface
Between difference in height form the limited step for limiting the bend glass;The wavy surface of the lower mode wave extending direction
The other end and the locating piece between have certain interval.
Preferably, the structure of the lower die and upper mold is not identical, and first wavy surface and the second wavy surface are protrusion
Portion and the unequal wavy surface of recessed portion quantity;First positioning device and the second positioning device are the identical positioning of structure
Block, the third positioning device and the 4th positioning device are the identical boss of structure, and the boss is equipped with and locating piece phase
The positioning groove matched.
Preferably, the lower plate and upper plate are rectangular parallelepiped structure, the wave extending direction of the lower mode and institute
The length direction for stating lower plate is unanimously arranged, and the wavy surface both ends of the lower mode wave extending direction are minimum point, and two
The minimum point has certain interval between the locating piece;The wave extending direction of institute's upper cores and the upper plate
Length direction is unanimously arranged, and the wavy surface both ends of the upper cores wave extending direction are highest point, the highest point and institute
It states the difference in height between boss top surface and forms limited step for limiting the bend glass.
Preferably, the difference in height between the highest point and the boss top surface than the bend glass thickness greatly at least
2mm。
Preferably, on the direction perpendicular to wave extending direction, the width of the lower plate and upper plate is respectively greater than
The width of lower die Renhe upper cores, and lower die Renhe upper cores are located at the center of the lower plate and upper plate
Position.
Preferably, the height of the locating piece and the depth of the positioning groove match, the upper mold and it is described under
When mould sky mould molds state, the spacing between the first wavy surface of the lower die and the second wavy surface of the upper mold is not less than
0.5mm。
Preferably, the upper die and lower die are made of ceramic materials.
Compared with the prior art, the invention has the following advantages:
(1) hot bending die for being used to form bend glass of the invention, including upper die and lower die, the surface setting of lower mode
To have first wavy surface of at least one lug boss and recessed portion on the direction of line between boss and locating piece, upper cores
Surface is set as the second wavy surface to match with the first wavy surface;In hot bending shape, the forming surface of lower die and upper mold is opposite
Setting, the lug boss and recessed portion of the first wavy surface match with the recessed portion of the second wavy surface and lug boss respectively, lower die and
In molding state, mode and upper cores form the type chamber for hot bending shape bend glass to upper mold at present.The hot bending die structure with
Bend glass is consistent, and molds positioning using the locating piece of positioning groove and another mold monomers on boss, can be used for big
The bend glass of size forms, and structurally reasonable, manufacturing cost is low.
(2) hot bending die for being used to form bend glass of the invention, wavy surface one end of mode wave extending direction is
Highest point, the difference in height between highest point and boss top surface form the limited step for being used for spacing curved surface glass;The structure can be right
Product is accurately positioned, and improves product yield and working efficiency.
(3) hot bending die for being used to form bend glass of the invention, upper die and lower die are made of ceramic materials, and are reduced
The point of hot bending shape rear curved surface glass surface improves product yield, and then reduces the subsequent polishing operation amount to product, saves
Time, and reduce the workload of staff.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that the present invention is a kind of for forming the structural schematic diagram of the hot bending die of bend glass;
Fig. 2 is the structural schematic diagram of lower die in Fig. 1 (just setting);
Fig. 3 is the structural schematic diagram of upper mold in Fig. 1 (inversion);
Fig. 4 is the cross section structure schematic diagram that hot bending die half molds state in Fig. 1 (before bend glass molding);
Fig. 5 is the cross section structure schematic diagram of hot bending die molding state in Fig. 1 (after bend glass molding);
Fig. 6 is the cross section structure schematic diagram of another hot bending die molding state for forming bend glass of the invention;
Wherein, 1, lower die, 11, lower plate, 12, lower mode, 12a, the first wavy surface, 2, upper mold, 21, upper plate, 22, on
Mode, 22a, the second wavy surface, 31, bend glass, 32, plate to be processed, A, locating piece, B, boss, C, limited step, B1,
Positioning groove.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment 1
As shown in Figures 1 to 5, of the invention a kind of for forming the hot bending die of bend glass, including structure is identical
Lower die 1 and upper mold 2, lower die include lower plate 11, the locating piece A for being set to lower plate forming surface one end, be set to lower plate at
The boss B of the type face other end and the lower mode 12 being set between locating piece A and boss B;Upper mold includes upper plate 21, sets
Be placed in upper plate forming surface and the boss B, the locating piece A that are matched respectively with locating piece A, boss B and lower mode 12 and
Upper cores 22, boss are equipped with the positioning groove B1 to match with the locating piece A on another mold.The surface of lower mode is arranged
To have the first of at least one lug boss and recessed portion on the direction of line between the first positioning device and the second positioning device
Wavy surface 12a, the surface of upper cores are set as the second wavy surface 22a to match with the first wavy surface, and the first wavy surface 12a
The wavy surface equal with the quantity that the second wavy surface 22a is lug boss and recessed portion.In hot bending shape, upper die and lower die
Forming surface is oppositely arranged, the lug boss and recessed portion of the first wavy surface respectively with the recessed portion of the second wavy surface and lug boss phase
Match, mode 12 and upper cores 22 form the type chamber for hot bending shape bend glass 31 at present in molding state for lower die and upper mold.
In the present embodiment, identical with the structure of upper mold 2 due to lower die 1, it is illustrated by taking lower die as an example, 11 He of lower plate
Upper plate 21 is rectangular parallelepiped structure.Boss B, lower mode 12 and the locating piece A of lower die are successively set along the length direction of lower plate
It sets, the wave extending direction of lower mode is consistent with the length direction of lower plate to be arranged, the wavy surface of lower mode wave extending direction
One end is highest point, and the difference in height between highest point and boss top surface forms the limited step C for being used for spacing curved surface glass, and most
The thickness greatly at least 2mm of difference in height between high point and boss top surface than bend glass;And then bend glass product orientation is top
It limits its movement after mould and the positioning molding of lower mold and positions.The other end of the wavy surface of lower mode wave extending direction and positioning
There is certain interval between block, guarantee the formed precision of product.
In the present embodiment, on the direction perpendicular to wave extending direction, the width point of lower plate 11 and upper plate 21
The width of mode 12 and upper cores 22 great Yu not be descended, and lower die Renhe upper cores are located at the central part of lower plate and upper plate
Position, to guarantee the formed precision of bend glass.
In the present embodiment, the height of locating piece A and the depth of positioning groove B1 match, when placement shaped article hot bending
When molding, the distance between the upper surface locating piece A and the bottom surface positioning groove B1 are less than the thickness of shaped article, mold when molding
The product stress at upper and lower mould benevolence and make formed product in place;When upper mold and lower die do not place shaped article sky mould molding state
When, upper and lower mould makes mold clamping by locating piece and positioning groove dieback, the first wavy surface 12a of lower die and the second wave of upper mold
Spacing between unrestrained face 22a is not less than 0.5mm, so that upper and lower mode is non-contact and protects mode.
Embodiment 2
In conjunction with referring to Fig. 6, the present invention is another for forming the hot bending die of bend glass, including the different lower die of structure
1 and upper mold 2, the first wavy surface 12a of lower mode includes a lug boss and two recessed portions;It is corresponding, upper cores
Second wavy surface 22a includes two lug bosses and a recessed portion.The length side of the wave extending direction and lower plate of lower mode
To consistent setting, the wavy surface both ends of lower mode wave extending direction are that the both ends of mode under minimum point are respectively equipped with one calmly
Position block A, and two minimum points have certain interval between locating piece.The wave extending direction of upper cores and the length of upper plate
Direction is unanimously arranged, and the wavy surface both ends of upper cores wave extending direction are highest point, and the both ends of upper cores are respectively equipped with one
A boss B, the difference in height between highest point and boss top surface form the limited step C for being used for spacing curved surface glass.Hot bending at
When type, the forming surface of lower die and upper mold is oppositely arranged, the lug boss and recessed portion of the first wavy surface respectively with the second wavy surface
Recessed portion and lug boss match, and mode 12 and upper cores 22 are formed for hot bending shape at present in molding state for lower die and upper mold
The type chamber of bend glass 31.It is identical as the structure of hot bending die in embodiment in the other structures of the hot bending die of the present embodiment,
This is just no longer repeated one by one again.
In the present invention, the width of lower plate 11 and upper plate 12 is all larger than the width of plate 32 to be processed, lower 12 He of mode
The width of upper cores 22 is respectively less than the width of plate 32 to be processed, and lower die Renhe upper cores are located at lower plate and upper plate
Centre, guarantee bend glass product formed precision.
In the present invention, upper mold 1 and lower die 2 are made of ceramic materials.Product surface after hot-bending formed glass can be reduced
Point, improve yield, and then reduce the subsequent polishing operation amount to glass product, save the time, and reduce staff
Workload.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of for forming the hot bending die of bend glass, which is characterized in that including lower die (1) and upper mold (2), the lower die
Including lower plate (11), the first positioning device for being set to lower plate forming surface one end, it is set to the lower plate forming surface other end
The second positioning device and the lower mode (12) that is set between first positioning device and the second positioning device;It is described
Upper mold include upper plate (21), be set in upper plate forming surface and respectively with first positioning device, the second positioning device,
And third positioning device, the 4th positioning device and upper cores (22) that lower mode matches;The surface of the lower mode is set
Being set between first positioning device and the second positioning device on the direction of line has at least one lug boss and recessed portion
The first wavy surface (12a), the surface of the upper cores is set as the second wavy surface to match with first wavy surface
(22a);In hot bending shape, the forming surfaces of the upper die and lower die is oppositely arranged up and down, first wavy surface (12a) it is convex
The portion of rising and recessed portion match with the recessed portion of the second wavy surface (22a) and lug boss respectively, and the lower die and upper mold are molding
The lower mode (12) and upper cores (22) form the type chamber for being used for hot bending shape bend glass (31) when state.
2. hot bending die according to claim 1, which is characterized in that the lower die (1) is identical with the structure of upper mold (2),
First wavy surface (12a) and the second wavy surface (22a) are the equal wavy surface of the quantity of lug boss and recessed portion;It is described
First positioning device and the 4th positioning device are the identical locating piece of structure (A), and second positioning device and the third are fixed
Position device is the identical boss of structure (B), and the boss is equipped with the positioning to match with the locating piece (A) on another mold
Groove (B1).
3. hot bending die according to claim 2, which is characterized in that the lower plate (11) and upper plate (21) are length
Cube structure, boss (B), lower mode (12) and the locating piece (A) of the lower die are successively set along the length direction of the lower plate
It sets, the wave extending direction of the lower mode is consistent with the length direction of the lower plate to be arranged, and the lower mode wave extends
The wavy surface one end in direction is highest point, and the difference in height between the highest point and the boss top surface forms described for limiting
The limited step (C) of bend glass;Between the other end and the locating piece of the wavy surface of the lower mode wave extending direction
With certain interval.
4. hot bending die according to claim 1, which is characterized in that the structure of the lower die (1) and upper mold (2) not phase
Together, first wavy surface (12a) and the second wavy surface (22a) are lug boss and the unequal wavy surface of recessed portion quantity;
First positioning device and the second positioning device are the identical locating piece of structure (A), and the third positioning device and the 4th determine
Position device is the identical boss of structure (B), and the boss is equipped with the positioning groove (B1) to match with locating piece (A).
5. hot bending die according to claim 4, which is characterized in that the lower plate (11) and upper plate (21) are length
Cube structure, the wave extending direction of the lower mode is consistent with the length direction of the lower plate to be arranged, the lower mode wave
Between the wavy surface both ends of unrestrained extending direction are minimum point, and two minimum points have centainly between the locating piece
Gap;The wave extending direction of institute's upper cores is consistent with the length direction of the upper plate to be arranged, upper cores wave extension side
To wavy surface both ends be highest point, difference in height between the highest point and the boss top surface forms described for limiting
The limited step (C) of bend glass.
6. the hot bending die according to claim 3 or 5, which is characterized in that between the highest point and the boss top surface
Difference in height than the bend glass thickness greatly at least 2mm.
7. the hot bending die according to claim 3 or 5, which is characterized in that on the direction perpendicular to wave extending direction,
The width of the lower plate (11) and upper plate (21) is respectively greater than the width of the lower mode (12) and upper cores (22), and institute
State the centre that lower die Renhe upper cores are located at the lower plate and upper plate.
8. according to the described in any item hot bending dies of claim 2-5, which is characterized in that the height of the locating piece (A) and institute
The depth for stating positioning groove (B1) matches, in the upper mold and lower die sky mould molding state, the first of the lower die
Spacing between wavy surface (12a) and the second wavy surface (22a) of the upper mold is not less than 0.5mm.
9. hot bending die according to claim 1, which is characterized in that the upper mold (1) and lower die (2) are by ceramic material
It is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710687014.9A CN109384375A (en) | 2017-08-11 | 2017-08-11 | It is a kind of for forming the hot bending die of bend glass |
Applications Claiming Priority (1)
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CN201710687014.9A CN109384375A (en) | 2017-08-11 | 2017-08-11 | It is a kind of for forming the hot bending die of bend glass |
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CN109384375A true CN109384375A (en) | 2019-02-26 |
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CN102557402A (en) * | 2010-12-11 | 2012-07-11 | 富泰华工业(深圳)有限公司 | Forming method of curved glass plate and adopted mould thereof |
CN202346891U (en) * | 2011-11-18 | 2012-07-25 | 广东星星光电科技有限公司 | Mobile phone glass view screen hot-bending die |
CN105271654A (en) * | 2015-11-18 | 2016-01-27 | 广东拓捷科技股份有限公司 | Hot press molding device for bent glass |
CN205473353U (en) * | 2016-02-01 | 2016-08-17 | 青海聚光高新科技有限公司 | Spotlight is speculum one shot forming mould for solar energy |
KR101715606B1 (en) * | 2016-09-29 | 2017-03-13 | (주)대호테크 | The Mold Device for Molding Glasses |
CN206157038U (en) * | 2016-10-27 | 2017-05-10 | 三砥新材(深圳)有限公司 | Curved graphite jig of 3D curved surface glass apron heat |
CN207143104U (en) * | 2017-08-11 | 2018-03-27 | 蓝思科技(长沙)有限公司 | A kind of hot bending die for being used to be molded bend glass |
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2017
- 2017-08-11 CN CN201710687014.9A patent/CN109384375A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102557402A (en) * | 2010-12-11 | 2012-07-11 | 富泰华工业(深圳)有限公司 | Forming method of curved glass plate and adopted mould thereof |
CN202346891U (en) * | 2011-11-18 | 2012-07-25 | 广东星星光电科技有限公司 | Mobile phone glass view screen hot-bending die |
CN105271654A (en) * | 2015-11-18 | 2016-01-27 | 广东拓捷科技股份有限公司 | Hot press molding device for bent glass |
CN205473353U (en) * | 2016-02-01 | 2016-08-17 | 青海聚光高新科技有限公司 | Spotlight is speculum one shot forming mould for solar energy |
KR101715606B1 (en) * | 2016-09-29 | 2017-03-13 | (주)대호테크 | The Mold Device for Molding Glasses |
CN206157038U (en) * | 2016-10-27 | 2017-05-10 | 三砥新材(深圳)有限公司 | Curved graphite jig of 3D curved surface glass apron heat |
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