CN108298801A - A kind of baking bending mould improving glass baking roll forming quality - Google Patents
A kind of baking bending mould improving glass baking roll forming quality Download PDFInfo
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- CN108298801A CN108298801A CN201810177542.4A CN201810177542A CN108298801A CN 108298801 A CN108298801 A CN 108298801A CN 201810177542 A CN201810177542 A CN 201810177542A CN 108298801 A CN108298801 A CN 108298801A
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- Prior art keywords
- arm
- baking
- metal
- ring
- force
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a kind of baking bending moulds improving glass baking roll forming quality, including pedestal, holder and forming ring, the branch is set up on pedestal, the forming ring includes being fixed into type ring and hinge forming ring, it is described fixed-type to be located on holder, the hinge forming ring is connect by hinge mouth with type ring is fixed into, the hinge forming ring is equipped with the arm of force of " L " type that stainless steel makes, the long side of the arm of force is equipped with fixed weight block, the metal sub-arm in strip is installed on the upside of the long side of the arm of force, the metal sub-arm is consistent with the size of the cross section of the arm of force, the coefficient of thermal expansion of the metal sub-arm is less than the coefficient of thermal expansion of the arm of force.During the baking bending mould of the present invention is cooling outside stove, hinge forming ring can flex outward automatically, it solves because forming ring is to contract, squeezes the uneven deformation of upper and lower sheet glass caused by the side of upper and lower sheet glass, caused laminated glass production is susceptible to the problem of dehiscing.
Description
Technical field：
The present invention relates to the technical fields of mold manufacturing, curved more particularly, to a kind of baking improving glass baking roll forming quality
Mold.
Background technology：
Laminated glass is a kind of safety glass of function admirable, is widely used in vehicle glass and building glass, processing
Method is passed through within a certain period of time using special technique with one or more layers PVB film between two panels or divided glass
High temperature and high pressure is allowed to be complex as a whole, by various combination be made good sound insulation, antiultraviolet, transparency, anti-Disastrous climate,
There is the safety glass of more performances such as explosion-proof, antitheft simultaneously.Usually wherein larger glass substrate is known as big sheet glass, smaller
Glass substrate is known as small sheet glass.At present bending furnace manufacture laminated glass manufacturing process be：The double-deck original piece is placed on mold-
Heating-baking roll forming --- it is cooling.The prior art is that glass is heated to glass transition temperature during hot bending, warp
It crosses glass dead weight and fits to and dry on bending mould.
The structure of above-mentioned common mold is as shown in Figure 1, include pedestal 1, holder 2 and forming ring, forming ring includes being fixed into
Type ring 3 and hinge forming ring 5 are fixed into type ring 3 on holder 2, and hinge forming ring 5 is by hinge mouth 4 and is fixed into type ring 3
Connection, hinge forming ring 5 are equipped with the arm of force 6 of " L " type that stainless steel makes, and the long side of the arm of force 6 is equipped with fixed weight block 61,
The end of the long side of the arm of force 6 is equipped with limit thimble 62, and pedestal 1 is equipped with the limited block 7 coordinated with limit thimble 62.And dry curved mould
Tool loads laminated glass 8 in stove cooling process outside, since thermal expansion coefficient of glass is 8 × 10-6/ DEG C, forming ring is general
It is made of stainless steel, coefficient of thermal expansion is 16 × 10-6/ DEG C, be fixed into type ring 3 and hinge forming ring 5 contraction speed and
Shrinkage is more than laminated glass 8, and the side of laminated glass 8 is caused to be squeezed, in cooling procedure under the action of waste heat, bottom sheet
82 softer stress of glass is easy to continue to deform, and upper sheet glass 81 contacts its cooling with air comparatively fast, the softening journey of upper sheet glass 81
It spends low stress to be not easy to continue to deform, the turn of bilge that the uneven deformations of two sheet glass easily causes laminated glass 8 is dehisced；And pedestal
1 general selection band iron makes (coefficient of thermal expansion 12 × 10-6/ DEG C), the coefficient of thermal expansion of pedestal 1, which is less than, is fixed into type ring 3 and hinge
Chain forming ring 5, when baking bending mould being caused to be heated in stove, the prolonged expansion for being fixed into type ring 3 and hinge forming ring 5 is more,
The prolonged expansion of pedestal 1 is less, forces to dry and arch upward upwards in the middle part of bending mould, laminated glass 8 is caused to generate shape during heating
Become, influences the baking roll forming quality of laminated glass 8.Have and dehisces and dry the second-rate laminated glass of roll forming and subsequently using
In, due to the effect of PVB elasticity, rebound between two sheet glass, humidity, vibrations, distortion collective effect under PVB and glass
Glass is detached to form regeneration bubble, influences the intensity and optical property of laminated glass.
Invention content：
In view of the above-mentioned problems, the present invention is intended to provide a kind of baking bending mould improving glass baking roll forming quality, solves
It is more than the contraction of glass due to drying the contraction of bending mould in cooling procedure, squeezes glass and easy to produce and dehisces, and heating
When due to dry bending mould middle part arch cause laminated glass dry the ropy problem of roll forming.
The technical scheme is that：
A kind of baking bending mould improving glass baking roll forming quality, including pedestal, holder and forming ring, the branch are set up in
On pedestal, the forming ring includes being fixed into type ring and hinge forming ring, it is described it is fixed-type be located on holder, the hinge
Forming ring is connect by hinge mouth with type ring is fixed into, and the hinge forming ring is equipped with the arm of force of " L " type that stainless steel makes,
The long side of the arm of force is equipped with fixed weight block, which is characterized in that is installed in strip on the upside of the long side of the arm of force
Metal sub-arm, the metal sub-arm is consistent with the size of the cross section of the arm of force, the thermal expansion system of the metal sub-arm
Coefficient of thermal expansion of the number less than the arm of force.Since metal assists the coefficient of thermal expansion of the arm of force to be less than the arm of force, in cooling procedure, the arm of force
Contraction size it is big, metal assist the arm of force contraction size it is small, to make arm of force bent downward deform, drive hinge molding
Circumferential outer expansion, it is whole opposite to the trend of contract with forming ring so that forming ring will not again produce glass to contract
Raw crimp.
Wherein, the metal sub-arm is made of carbon steel.The coefficient of thermal expansion of metal sub-arm is unsuitable compared to the arm of force
Too small, too small so that arm of force integrally bending deforms excessive when cooling, the arm of force is fragile, should not be too big, and too conference keeps the arm of force whole
Body be bent downwardly deformation it is small, be not enough to drive hinge forming ring be unfolded outward, do not have corresponding effect, the heat of general carbon steel
The coefficient of expansion is 12 × 10-6/ DEG C, compared to the coefficient of thermal expansion of the stainless steel arm of force, difference degree is suitable, and cheap, and ten
Divide and is adapted to make metal sub-arm.
Wherein, the metal auxiliary arm lengths are 2/3rds of the long side of the arm of force.According to thermal expansion and contraction principle, metal is auxiliary
Help the length of arm longer, the degree of arm of force bent downward is higher, and the flared degree of hinge forming ring is higher, and passes through
Practice, for most of laminated glass product, when metal auxiliary arm lengths are 2/3rds of torque arm length, hinge molding is circumferential
The degree of outer expansion is proper, and metal auxiliary arm lengths can be adjusted according to actual needs.
Wherein, the type ring that is fixed into is equipped with 1~3 expansion joint.When heated, it exists for fixing due to expansion joint
The size extension of forming ring provides certain wider space, and reducing causes because being fixed into type ring expanded by heating in the middle part of forming ring
The possibility of arch, so as to effectively weaken the deformation of forming ring.
Wherein, the width at the expansion joint is 1mm~5mm.The width at expansion joint should not be too large, and crossing conference leads to forming ring
Intensity it is too weak, be easily damaged, it is unsuitable too small, it is too small that wider space can be made inadequate, can not play and weaken arch in the middle part of forming ring
Effect.
Wherein, the pedestal is equipped with the notch that pedestal is divided into two segmentations, leads between two segmentations of the pedestal
Cross the metal inter-access piece connection that the shape that both ends are respectively welded in two segmentations is U-typed or " V " type.The setting of notch can
It is further reduced the possibility to arch up in the middle part of forming ring, metal inter-access piece is connected to two parts that pedestal is disconnected by notch, makes up scarce
Mouthful to the decrease of pedestal intensity, and can always be generated during being heated or cooled opposite with pedestal expansion or shrinkage
Power, to reduce the deformation of pedestal, the phenomenon that effectively preventing arching up in the middle part of the forming ring caused by pedestal contraction distortion；Phase
Compared with other shapes, the contraction change speed ratio of " U " and " V " is very fast, and is easily worked, and saves material.
Wherein, the material of the metal inter-access piece is carbon steel.
Wherein, the back side of the metal inter-access piece is installed with metal auxiliary member, the shape of the metal auxiliary member and transversal
The size in face is identical as metal inter-access piece, and the both ends of the metal auxiliary member are welded on pedestal, the heat of the metal auxiliary member
The coefficient of expansion is more than the coefficient of thermal expansion of metal inter-access piece.In cooling procedure, the receipts of the big metal auxiliary member of coefficient of thermal expansion
The contraction size of the small metal inter-access piece of reduced scale cun specific thermic dilatation coefficient is big, to drive the base portion of connection to be unfolded outward.
Wherein, the material of the metal auxiliary member is stainless steel.
Wherein, the width of the notch is 5mm~10mm.The width of notch should not be too large, and crossing conference leads to pedestal intensity
It is too weak, it is easily damaged, it is unsuitable too small, it is too small that wider space can be made inadequate, the effect for weakening and arching up in the middle part of forming ring can not be played.
The present invention has the advantages that due to taking above-mentioned technical proposal：
1, during baking bending mould of the invention is cooling outside stove, hinge forming ring can flex outward automatically, solve
Because forming ring is to contract, the uneven deformation of upper and lower sheet glass caused by the side of upper and lower sheet glass is squeezed, it is caused
Laminated glass production is susceptible to the problem of dehiscing.
2, the present invention effectively prevents the possibility that laminated glass dries arch in the middle part of curved forming ring in the process, can reduce molding
The deformation of ring reduces laminated glass and is drying the curved deformation generated in the process, and then improves laminated glass Forming Quality.
3, structure of the invention is simple, and make the mold only need to do a little improvement in the existing conventional bending mould that dries, and be processed into
This is low, easy to implement, conducive to being popularized.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the present invention；
Fig. 3 is the front view of the present invention.
Label declaration：
1, pedestal, 2, holder, 3, be fixed into type ring, 4, hinge mouth, 5, hinge forming ring, 6, the arm of force, 7, limited block, 8, folder
Layer glass；
11, notch, 12, metal inter-access piece, 13, metal auxiliary member；
31, expansion joint；
61, fixed weight block, 62, limit thimble, 63, metal sub-arm；
81, upper sheet glass, 82, lower sheet glass.
Specific implementation mode：
Technology contents, the objects and the effects for the detailed present invention, below in conjunction with embodiment and coordinate attached drawing to give
With explanation.
As shown in Figures 2 and 3, it is the baking bending mould for improving glass baking roll forming quality of the present invention, including pedestal 1, branch
Frame 2 and forming ring, forming ring include being fixed into type ring 3 and hinge forming ring 5, and holder 2 is set on pedestal 1, is fixed into type ring 3 and sets
In on holder 2, hinge forming ring 5 is connect by hinge mouth 4 with type ring 3 is fixed into, set on hinge forming ring 5 useful length as
The rectangular stainless steel of 5mm × 5mm of 800mm bends the arm of force 6 of " L " type of work, the length of short sides 200mm of the arm of force 6, the side of long side
The long side of long 600mm, the arm of force 6 are equipped with fixed weight block 61, and the end of the long side of the arm of force 6, which is equipped with, limits thimble 62, on pedestal 1
Equipped with the limited block 7 coordinated with limit thimble 62, it is welded with 5mm × 5mm's that length is 400mm on the upside of the long side of the arm of force 6
Rectangular carbon steel is as metal sub-arm 63；3 expansion joints 31 that type ring 3 is equipped with the width 2mm for being classified as four sections are fixed into,
Expansion joint 31 is arranged between holder 2；Pedestal 1 is equipped with the notch 11 that width is 5mm, and it is two points that pedestal 1 is divided to by notch 11
Section is connected between segmentation by the metal inter-access piece 12 that the shape that carbon steel makes is " V " type, the back side welding of metal inter-access piece 12
There are the metal auxiliary member 13 that stainless steel makes, the shape of the metal auxiliary member 13 and the size of cross section and metal inter-access piece 12
It is identical.
Referring again to Fig. 3, when the top that laminated glass 8 is placed on forming ring loads, the exhibition of 5 around hinge mouth 4 of hinge forming ring
It opens, will then dry in bending mould push-in stove during heating, the width for being fixed into the expansion joint 31 of type ring 3 reduces, but simultaneously
It is not closed completely, the width of the notch 11 of same pedestal 1 reduces, but is not closed completely, reduces because being fixed into type ring 3
Lead to the possibility for being fixed into 3 middle part arch of type ring with 1 expanded by heating of pedestal；Laminated glass 8 dries the process of roll forming in stove
In, gradually upper curved with hinge forming ring 5, the limit thimble 62 on the arm of force 6 abuts limited block 7, on hinge forming ring 5 stops
Curved, laminated glass 8 gradually pastes mold forming on being fixed into type ring 3 and hinge forming ring 5, will after laminated glass 8 completes molding
It dries bending mould and removes cooling outside stove.
However in cooling procedure, the contraction speed of the arm of force 6 and contraction size are more than the metal auxiliary arm of force 63, to make power
6 bent downward of arm deforms, and in the case where limit thimble 62 is not sprung back, drives the expansion outward of hinge forming ring 5, with
Forming ring it is whole to the trend of contract on the contrary, reducing the deformation of forming ring so that forming ring will not be right again to contract
Glass generates crimp, solves the defect of dehiscing that laminated glass easily occurs during drying roll forming；Simultaneously because stainless
The contraction size of the metal auxiliary member 13 of steel material is big, and the contraction size of the metal inter-access piece 12 of carbon steel material is small, drives connection
The part of pedestal 1 be unfolded outward, further weaken the inside contraction distortion of pedestal 1, effectively prevent because of pedestal contraction distortion
It is caused to be fixed into the phenomenon that 3 middle part of type ring arches up, improve the baking roll forming quality of laminated glass.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, it in the case where not departing from the ambit protected described in spirit of the invention and claim, can also make
Many forms, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of baking bending mould improving glass baking roll forming quality, including pedestal (1), holder (2) and forming ring, the holder
(2) it is set on pedestal (1), the forming ring includes being fixed into type ring (3) and hinge forming ring (5), described to be fixed into type ring (3)
On holder (2), the hinge forming ring (5) is connect by hinge mouth (4) with type ring (3) is fixed into, the hinge molding
Ring (5) is equipped with the arm of force (6) of " L " type that stainless steel square steel makes, and the long side of the arm of force (6) is equipped with fixed weight block
(61), which is characterized in that the metal sub-arm (63) in strip, the gold are installed on the upside of the long side of the arm of force (6)
Category sub-arm (63) is consistent with the size of cross section of the arm of force (6), and the coefficient of thermal expansion of the metal sub-arm (63) is less than power
The coefficient of thermal expansion of arm (6).
2. the baking bending mould according to claim 1 for improving glass baking roll forming quality, which is characterized in that the metal is auxiliary
Arm (63) is helped to be made of carbon steel.
3. the baking bending mould according to claim 1 for improving glass baking roll forming quality, which is characterized in that the metal is auxiliary
It is 2/3rds of the long side of the arm of force (6) to help arm (63) length.
4. the baking bending mould according to claim 1 for improving glass baking roll forming quality, which is characterized in that described to be fixed into
Type ring (3) is equipped with 1~3 expansion joint (31).
5. the baking bending mould according to claim 4 for improving glass baking roll forming quality, which is characterized in that the expansion joint
(31) width is 1mm~5mm.
6. the baking bending mould according to claim 1 for improving glass baking roll forming quality, which is characterized in that the pedestal
(1) it is equipped with the notch (11) that pedestal (1) is divided into two segmentations, passes through both ends point between two segmentations of the pedestal (1)
The shape not being welded in two segmentations is metal inter-access piece (12) connection of U-typed or " V " type.
7. it is according to claim 6 improve glass baking roll forming quality baking bending mould, which is characterized in that the metal across
The material of fitting (12) is carbon steel.
8. it is according to claim 6 improve glass baking roll forming quality baking bending mould, which is characterized in that the metal across
The back side of fitting (12) is installed with metal auxiliary member (13), the shape of the metal auxiliary member (13) and the size of cross section and gold
Category inter-access piece (12) is identical, and the both ends of the metal auxiliary member (13) are welded on pedestal (1), the metal auxiliary member (13)
Coefficient of thermal expansion is more than the coefficient of thermal expansion of metal inter-access piece (12).
9. the baking bending mould according to claim 8 for improving glass baking roll forming quality, which is characterized in that the metal is auxiliary
The material of assistant piece (13) is stainless steel.
10. the baking bending mould according to claim 6 for improving glass baking roll forming quality, which is characterized in that the notch
(11) width is 5mm~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177542.4A CN108298801B (en) | 2018-03-05 | 2018-03-05 | Baking and bending die for improving glass baking and bending forming quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810177542.4A CN108298801B (en) | 2018-03-05 | 2018-03-05 | Baking and bending die for improving glass baking and bending forming quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108298801A true CN108298801A (en) | 2018-07-20 |
| CN108298801B CN108298801B (en) | 2020-08-18 |
Family
ID=62849043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810177542.4A Active CN108298801B (en) | 2018-03-05 | 2018-03-05 | Baking and bending die for improving glass baking and bending forming quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108298801B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351739A2 (en) * | 1988-07-18 | 1990-01-24 | Asahi Glass Company Ltd. | Method of and apparatus for bending glass plates for a laminated glass |
| JPH046118A (en) * | 1990-04-24 | 1992-01-10 | Asahi Glass Co Ltd | Bending mold for glass sheet and forming method by bending |
| US5383990A (en) * | 1989-08-24 | 1995-01-24 | Asahi Glass Company Ltd. | Method for bending and laminating a pair of glass plates |
| CN101605733A (en) * | 2006-12-04 | 2009-12-16 | 皮尔金顿集团有限公司 | Gravity bending glass sheets |
| CN103183465A (en) * | 2011-12-31 | 2013-07-03 | 深圳奔迅汽车玻璃有限公司 | Hot bending die of deep bending hyperbolic automotive glass and method |
| CN203558963U (en) * | 2013-10-31 | 2014-04-23 | 常州长江玻璃有限公司 | Vehicle glass hot bending die |
| CN103964678A (en) * | 2013-01-25 | 2014-08-06 | 上海福耀客车玻璃有限公司 | Vehicle laminated glass multi-section hinge baking-bending mold and application thereof |
-
2018
- 2018-03-05 CN CN201810177542.4A patent/CN108298801B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351739A2 (en) * | 1988-07-18 | 1990-01-24 | Asahi Glass Company Ltd. | Method of and apparatus for bending glass plates for a laminated glass |
| US5383990A (en) * | 1989-08-24 | 1995-01-24 | Asahi Glass Company Ltd. | Method for bending and laminating a pair of glass plates |
| JPH046118A (en) * | 1990-04-24 | 1992-01-10 | Asahi Glass Co Ltd | Bending mold for glass sheet and forming method by bending |
| CN101605733A (en) * | 2006-12-04 | 2009-12-16 | 皮尔金顿集团有限公司 | Gravity bending glass sheets |
| CN103183465A (en) * | 2011-12-31 | 2013-07-03 | 深圳奔迅汽车玻璃有限公司 | Hot bending die of deep bending hyperbolic automotive glass and method |
| CN103964678A (en) * | 2013-01-25 | 2014-08-06 | 上海福耀客车玻璃有限公司 | Vehicle laminated glass multi-section hinge baking-bending mold and application thereof |
| CN203558963U (en) * | 2013-10-31 | 2014-04-23 | 常州长江玻璃有限公司 | Vehicle glass hot bending die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108298801B (en) | 2020-08-18 |
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