CN105731772B - Glass cover-plate hot bending die, glass cover-plate hot bending preparation system and its technique - Google Patents
Glass cover-plate hot bending die, glass cover-plate hot bending preparation system and its technique Download PDFInfo
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- CN105731772B CN105731772B CN201610076268.2A CN201610076268A CN105731772B CN 105731772 B CN105731772 B CN 105731772B CN 201610076268 A CN201610076268 A CN 201610076268A CN 105731772 B CN105731772 B CN 105731772B
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- 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
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Abstract
A kind of glass cover-plate hot bending die, glass cover-plate hot bending preparation system and its technique, one glass cover-plate to be processed is provided, the glass cover-plate hot bending die includes mould, one die cavity and at least four glass marbles, the die cavity is arranged within the lower mould, four glass marbles uniformly divide between the die cavity and the lower mould, the glass cover-plate to be processed is located on the die cavity, when the glass cover-plate hot bending die be heated to close to and less than the minimum softening temperature of the glass cover-plate to be processed, the glass cover-plate to be processed softens with the glass marble and deforms after compression.Due to the setting of the glass marble, the former power effect being applied on the glass cover-plate to be processed can be made dispersed, so that the part for reducing the glass cover-plate to be processed is subject to excessive pressure and the problem of uneven or stress concentration occurs.
Description
【Technical field】
The present invention relates to glass cover-plate preparation field, more particularly to a kind of glass cover-plate hot bending die, glass cover-plate hot bending
Preparation system and its technique.
【Background technology】
Glass cover-plate is protective glass, with the upgrading of product requirement, market for glass screen requirement also increasingly
It is high.At present, glass dry plate is typically divided into flat glass cover plate and non-plane glass cover plate by market, wherein, non-plane glass lid
Its zone line that plate refers to can be a plane or cambered surface, and use cambered surface transition in the marginal portion of glass cover-plate.Non-planar glass
The good appearance degree of the advantage of the glass cover plate mobile phone that has been significant increase and improve user and using screen contact action
When experience, therefore obtained increasingly being widely applied, equally also the processing technology of glass cover-plate is proposed it is higher will
Ask.
Existing non-plane glass cover plate is prepared and typically uses cold working mode, and the edge to flat glass is ground throwing
Light and obtain cambered surface edge, using cold working preparation method easily make processing obtain non-plane glass cover plate on there is tiny splitting
Line, greatly affected the yields of glass cover-plate preparation.It would therefore be highly desirable to be improved to the preparation technology of glass cover-plate.
【The content of the invention】
It is the defect for overcoming current non-plane glass cover plate to prepare, it is steady that the present invention provides a kind of easy to operate, quality of finished
Qualitative glass cover-plate hot bending die high, glass cover-plate hot bending preparation system and its technique.
The present invention proposes a technical scheme to solve above-mentioned technical problem：A kind of glass cover-plate hot bending die, there is provided to be added
Work glass cover-plate, the glass cover-plate hot bending die includes mould, a die cavity and at least four glass marbles and a location-plate, institute
State die cavity to be arranged within the lower mould, four glass marbles uniformly divide between the die cavity and the lower mould, described to treat
Processing glass cover-plate is located on the die cavity, and the location-plate includes a flat board with opening and is arranged in the opening
The deformable list structure of side, the opening inner side of the location-plate matches with the size of the glass cover-plate to be processed, is used for
Glass cover-plate of the fixed placement on the die cavity, when the glass cover-plate hot bending die be heated to close to and less than institute
The minimum softening temperature of glass cover-plate to be processed is stated, the glass cover-plate to be processed softens with the glass marble and becomes after compression
Shape.
Preferably, the lower surface of the die cavity is oppositely arranged with the upper surface of the lower mould, the following table bread of the die cavity
At least four first circular grooves are included, the upper surface of the lower mould includes at least four second circular grooves, and described first is circular
Groove and second circular groove match setting, and a diameter of 6-12mm of glass marble is placed in described first circular recessed
Between groove and the second circular groove, and the first circular groove depth and the second circular groove depth sum are less than described
The diameter of glass marble.
Preferably, the glass cover-plate hot bending die further includes mould on, and the upper mould includes a boss, described convex
The lower surface of platform is oppositely arranged with the upper surface of the die cavity, and the boss is suitable with the glass cover-plate size to be processed.
Preferably, the lower surface of the boss and the upper surface of the die cavity are plane or cambered surface.
Preferably, the boss include four cambered surface sides, the lower mould include an indent platform, the indent platform it is interior
Upper lateral part includes an at least arc groove, and the cambered surface side matches setting, the glass cover-plate to be processed with the arc groove
Edge is contacted with the arc groove.
Preferably, the arc groove is shaped as rectangle frame, c-type frame；Or the arc groove is relative to be set in parallel in
Both sides.
The present invention proposes another technical scheme to solve above-mentioned technical problem：A kind of glass cover-plate hot bending preparation system, institute
Stating glass cover-plate hot bending preparation system includes glass cover-plate hot bending die as described above, and the glass cover-plate hot bending preparation system enters
One step includes at least one heating workshop section, a pressing section, cooling workshop section and a conveyer, the glass cover-plate hot bending die
Driven by the conveyer and sequentially entered the heating workshop section, the pressing section and the cooling workshop section heated,
Pressure and cooling down operation.
Preferably, the heating workshop section includes at least three first heating stations, the first heating station described at least three
Heating upper limit increase successively.
Preferably, further include that temperature adjusts workshop section, the temperature adjustment workshop section is located at the pressing section and cooling
Between workshop section.
The present invention proposes another technical scheme to solve above-mentioned technical problem：A kind of glass cover-plate hot bending preparation technology, carries
For a glass cover-plate to be processed, there is provided once mould, a die cavity and at least four glass marbles and a location-plate, the location-plate includes
One flat board with opening and the deformable list structure of the opening inner side is arranged on, the opening inner side of the location-plate and institute
The size for stating glass cover-plate to be processed matches, and the glass cover-plate hot bending preparation technology at least comprises the following steps：Step 1,
Glass marble described at least four is put in the upper surface of the lower mould；Step 2, the die cavity is placed on the glass marble,
The die cavity lower surface is parallel with the upper surface of the lower mould；Step 3, the glass to be processed is put in the die cavity upper surface
Cover plate, the location-plate is used for glass cover-plate of the fixed placement on the die cavity；And step 4, to the glass cover to be processed
Plate heats after-applied pressure, and the glass cover-plate to be processed softens with the glass marble and deforms after compression.
With relative to prior art, the glass cover-plate hot bending die provided by the present invention, the glass cover-plate hot bending system
Standby system and the glass cover-plate hot bending preparation technology can be used for preparation (such as 2.5D glass cover-plates and the 3D of non-plane glass cover plate
Glass cover-plate), by setting at least four glass marbles (can be such as six) under the glass cover-plate to be processed, and make described treating
Processing glass cover-plate, jointly by the state of thermal softening, deforms with the glass marble after compression, due to the setting of the glass marble,
Former power effect (such as stress) being applied on the glass cover-plate to be processed can be made dispersed, so as to reduce the glass to be processed
The part of glass cover plate is subject to excessive pressure and the problem of uneven or stress concentration occurs.
【Brief description of the drawings】
Fig. 1 is the structural representation of first embodiment of the invention glass cover-plate hot bending die.
Fig. 2 is the top view of the upper mould of glass cover-plate hot bending die shown in Fig. 1.
Fig. 3 is the upward view of the lower mould of glass cover-plate hot bending die shown in Fig. 1.
Fig. 4 A are the top views of the lower mould of glass cover-plate hot bending die shown in Fig. 1.
Fig. 4 B are generalized section of the lower mould shown in Fig. 4 A along A-A directions.
Fig. 5 A are the enlarged diagrams at C shown in Fig. 4 B.
Fig. 5 B are the enlarged diagrams at B shown in Fig. 1.
Fig. 6 is the top view of a variant embodiment of lower mould shown in Fig. 4 A.
Fig. 7 is the top view of the positioner of glass cover-plate hot bending die shown in Fig. 1.
Fig. 8 is the enlarged diagram at D shown in Fig. 1.
Fig. 9 is the structural representation of second embodiment of the invention glass cover-plate hot bending preparation system.
Figure 10 A- Figure 10 C are the shapes that the glass cover-plate hot bending die provided using the present invention is processed to glass cover-plate hot bending
State schematic diagram.
【Specific embodiment】
In order that the purpose of the present invention, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and embodiment,
The present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
It should be strongly noted that in the utility model, when element is referred to as " being arranged at " or " being located at " another element,
Directly on another element or can also there are centering elements in it.Term as used herein " vertical ", " level ",
" on " and D score and similar statement are for illustrative purposes only, it is not intended that limitation the utility model.
Fig. 1 and Fig. 2 is referred to, first embodiment of the invention provides a glass cover-plate hot bending die 10, the glass cover-plate
Hot bending die 10 can be used to for flat glass cover plate (not shown) preparing edge by hot bending process has certain on-plane surface
Glass cover-plate.
The glass cover-plate hot bending die 10 includes mould 20, once a die cavity 30, mould 40, a positioner 50 and on one
Buffer unit 60, wherein, the upper mould 20 is arranged on the die cavity 30, the die cavity 30 can be contained in the lower mould 40 it
Interior, the positioner 50 is arranged between the upper mould 20 and the die cavity 30.
The upper mould 20 is a flat board with a boss 21, and mould 20 includes through hole 22 at least four on described,
In the present embodiment, the upper through hole 22 is four, and the upper through hole 22 is separately positioned on four corners on the surface of upper mould 20
Place.Four corners of lower surface of the boss 21 are respectively provided with a cambered surface side 211.The lower surface of the boss 21 is burnishing surface, institute
The lower surface for stating boss 21 is contacted with the glass cover-plate.
In the present invention, the lower surface of the boss 21 can be plane or cambered surface.
Fig. 3 is referred to, the die cavity 30 is a flat board for being dimensioned slightly smaller than glass cover-plate size to be processed, the die cavity 30
Including upper and lower major surfaces (non-label), the upper surface of the die cavity 30 is burnishing surface, the upper surface of the die cavity 30 and the glass
Glass cover plate is contacted.The thickness of the die cavity 30 is 8-30mm, and the thickness of the die cavity 30 is more preferably 8-20mm.The die cavity
30 following table forms at least four first circular grooves 31 towards the inner recess of the die cavity 30, first circular groove 31
Height can be 2-7mm, and in the present embodiment, the quantity of first circular groove 31 is six.
In the present invention, the upper surface of the die cavity 30 is plane or cambered surface.
Fig. 4 A are referred to, the lower mould 40 is a concave structure, and the lower mould 40 includes an indent platform 401 and a frame
402, the indent platform 401 is arranged within the frame 402, and the indent platform 401 further includes that two fixations are led to
The circular groove 42 of hole 43 and at least six second, second circular groove 42 is uniformly arranged on the indent platform 401 respectively
Corresponding both sides, in some preferably embodiment, second circular groove 42 be arranged on the indent platform 401 compared with
On two sides long, the height of second circular groove 42 is about 2-7mm.
Four corners of the frame 402 further include four lower through-holes 41, the lower through-hole 41 and the upper through hole
22 match, by the lower through-hole 41 and it is described on latch or screw etc. are inserted between through hole 22, the upper mould 20 can be made
Align and be connected between the lower mould 40.
In the present embodiment, the lower mould 40 further includes that one is arranged on the first of the inside upper part of the frame 402
Arc groove 44, first arc groove 44 is a rectangular ring structure.
Fig. 4 B and Fig. 5 A are referred to, is the generalized section of the first arc groove 44, the arc of first arc groove 44
Face structure is the height of the height slightly below other end towards the one end inside the lower mould 40, first arc groove 44
Cambered surface angle is expressed as a1.The first cambered surface groove 44 is shaped as rectangle frame.Prepared using the first cambered surface groove 44
Four edges of the non-plane glass cover plate of acquisition are cambered surface.
As shown in Figure 5 B, be the upper mould 20 the boss 21 cambered surface side 211, the cambered surface on the cambered surface side 211
Angle is a2.
In some preferably embodiment, the first cambered surface groove 44 matches with the cambered surface side 211.The cambered surface
Angle a1 is relevant with the edge cambered surface of the glass cover-plate to be processed with the selection of the cambered surface angle a2, due to first arc
Face groove 44 corresponds respectively to outer surface and the inner surface (glass of the glass cover-plate to be processed with the cambered surface side 211
The inner surface of cover plate is the one side towards display module, and the outer surface of the glass cover-plate is the glass cover-plate towards use
The one side at family.)
As shown in Figure 6, it is a variant embodiment of lower mould 40 of the present invention, it is described in the variant embodiment
Lower mould 40 ' is with the difference of above-mentioned lower mould 40：The lower mould 40 ' includes the two symmetrically arranged first fixed structures 401 '
And two symmetrically arranged second fixed structures 402 ', the first fixed structure 401 ' and second fixed structure 402 '
Between it is separately positioned.The lower mould 40 ' is recessed including two the second cambered surfaces for being arranged on the inside upper part of first fixed structure 401 '
Groove 44 ', the features of shape of the cambered surface groove 44 ' is to be set in parallel in opposite sides, the cambered surface of the second cambered surface groove 44 '
Design feature is identical with the first cambered surface groove 44.The non-plane glass prepared using the second cambered surface groove 44 '
The edge of the opposite sides of cover plate is cambered surface.
In some embodiments of the invention, first arc groove 44 can also be c-type frame etc., unrestricted herein.
The positioner 50 is used for glass cover-plate of the fixed placement on the die cavity 30, and the positioner 50 can be straight
Connect and be arranged on the die cavity 30, be such as the projection corresponding with key hole, TV hole sites on the glass cover-plate.As in Fig. 7
It is shown, it is described fixed if without hole on glass cover-plate to be processed, can be fixed using 501 pairs of glass cover-plates of location-plate
Include that four positioning through hole 51, have the flat board 52 of opening and are arranged on the inside of the opening (non-label) on the plate 501 of position
Deformable list structure 53, the positioning through hole 51 is located at four corners of the flat board 52 with opening.In the opening
Side matches with the size of the glass cover-plate to be processed, when the location-plate 501 is matched somebody with somebody with the glass cover-plate to be processed
During conjunction, the deformable list structure 53 is deformed upon, so that the glass cover-plate to be processed can be with the location-plate 501 more
It is closely combination.In certain embodiments, the positioning through hole 51 matches and sets with the upper through hole 22, the lower through-hole 41
Put and can be attached by inserting latch or screw etc..
Fig. 8 is referred to, the buffer unit 60 includes at least four glass marbles 601, and the glass marble 601 is arranged on described
In the cavity that first circular groove 31 of die cavity 30 is complemented each other to form with the second circular groove 42 of the lower mould 40, the glass
After glass ball 601 is placed in first circular groove 31 and second circular groove 42, the die cavity 30 and the lower mould
Still there is certain space d1 between 40.
In the present invention, the height of first circular groove 31 is less than with the height sum of second circular groove 42
The diameter of the glass marble 601.A diameter of 6mm-12mm of the glass marble 601, the diameter of the glass marble 601 is preferably
It is 7mm-10mm, in the present embodiment, a diameter of 8mm of the glass marble 601.
The quantity of the glass marble 601 is preferably six, eight, ten etc., in the present embodiment, the glass marble
601 quantity selection is six, first circular groove 31, the quantity of second circular groove 42 and position and the glass
Glass ball 601 matches.It is more equal that the glass marble 601 is uniformly distributed power transmission after the glass cover-plate to be processed can be made to be pressurized
It is even.
In some embodiments of the invention, the material of the glass marble 601 can be calcium soda-lime glass, flint glass, color glass
Glass etc..
Fig. 9 is referred to, the second embodiment of the present invention provides a glass cover-plate hot bending preparation system 90, the glass cover-plate
Hot bending preparation system 90 includes multiple glass cover-plate hot bending dies 10, and it is right that the glass cover-plate hot bending preparation system 90 is used for
The glass cover-plate to be processed is heated, is pressed and cooling down operation.The glass cover-plate hot bending preparation system 90 is included successively
A heating workshop section 91, a pressing section 91, temperature adjustment workshop section 93, the cooling of one first cooling workshop section 94 and 1 second for setting
Workshop section 95.The glass cover-plate hot bending preparation system 90 further includes a transmission device, and the transmission device can drive described
Glass cover-plate hot bending die 10 sequentially passes through the heating workshop section 91, the pressing section 91, temperature adjustment workshop section 93, institute
State the first cooling workshop section 94 and the second cooling workshop section 95.
Wherein, the heating workshop section 91 includes at least three first heating stations 911, the first heater described at least three
The heating upper limit of position 911 increases successively, and in the present embodiment, the quantity selection of first heating station 911 is four,
The heating upper limit of four first heating stations 911 is followed successively by 600 DEG C, 650 DEG C, 730 DEG C and 750 DEG C.In the present invention
In, the heating upper limit of the heating workshop section 91 can be adjusted according to the material of the glass cover-plate to be processed, as worked as
When stating glass cover-plate to be processed for soda-lime glass, four heating upper limits of the first heating station 911 are 600 DEG C, and are worked as
When the glass cover-plate to be processed is lead glass high, four heating upper limits of the first heating station 911 are then about
700℃。
In the heating workshop section 91, the heating upper limit of multiple first heating stations 911 is difficult to exceed described treating
Process the minimum softening of glass cover-plate.The too high surface for easily making the glass cover-plate to be processed of temperature forms pit, makes whole heat
The quality variation of the glass cover-plate finished product after roll forming.
The present invention some preferably in embodiment, first heating station 911 further includes heater block on
912 and once heater block 913, the upper heater block 912 is by least three heating rods with the lower heater block 913
(not shown) is constituted, such as in the present embodiment, the number of the upper heater block 912 and the heating rod of the lower heater block 913
Amount is 5, and the temperature of the heating rod is increased from middle part to both sides, such as can for 1000 DEG C, 900 DEG C, 750 DEG C, 900 DEG C and
1000℃。
The distribution mode of four temperature of the first heating station 911 is conducive to entering the glass of the heating workshop section 91
Glass cover plate hot bending die 10 is heated by uniform and stabilization.
The pressing section 92 can be divided into the first shaping station 921 and the second shaping station 922, first shaping station
921 have a cylinder (not shown) to drive respectively with second shaping station 922, realize the pressing to the upper mould 20, such as scheme
Shown in, first shaping station 921 includes a pressing down section part 923, the part 923 that pushes by the air cylinder driven, by
Step is pressed downward, described to push the upper surface of part 923 and the upper mould 20, and progressively pushes the upper mould 20, makes temperature
Close to and less than the glass cover-plate to be processed minimum softening temperature when, the glass cover-plate to be processed deforms after being pressurized.
The structure of second shaping station 921 is identical with first shaping station 922 with operation principles, will not be repeated here.
The glass cover-plate hot bending die 10 enters in first shaping station 921 with second shaping station 922
The time of row pressing can be adjusted according to the material of the glass cover-plate to be processed with thickness, may generally be 30s-200s.
The temperature adjustment workshop section 93 is that the temperature is adjusted with the difference of the structure and its principle of the heating workshop section 91
Heating-up temperature of the heating-up temperature of whole workshop section 93 less than the heating workshop section 91.
Temperature is stepped up in the heating workshop section 91 of the invention, makes to be placed in the glass cover-plate hot bending die 10
In glass cover-plate described to be processed progressively heat up and reach close to and less than its minimum softening temperature.The glass to be processed
After hot bending and compressive deformation is completed, temperature progressively declines cover plate into the temperature adjustment workshop section 93 of the invention, makes institute
Glass cover-plate to be processed is stated progressively to lower the temperature and hardened forming.
The first cooling workshop section 94 and the second cooling workshop section 95 are used for further to the glass cover-plate hot bending mould
Tool 10 is lowered the temperature, and in the present embodiment, the first cooling workshop section 94 and the second cooling workshop section 95 use water cooling side
Formula, makes the further cooling shaping of heat-bending glass cover plate of the glass cover-plate hot bending die 10 and its interior storing.Wherein, institute
State the first cooling workshop section 94 is with the difference of the described second cooling workshop section 95：The first cooling workshop section 94 adjusts with the temperature
Whole workshop section 93 connects, and the chilling temperature of the first cooling workshop section 94 is influenceed by temperature adjustment workshop section 93, therefore, institute
State the chilling temperature of the chilling temperature higher than the described second cooling workshop section 95 of the first cooling workshop section 94.
In the present embodiment, workshop section 94 to the described second cooling workshop section 95 is cooled down from temperature adjustment workshop section 93, first,
Temperature is gradually reduced, so that the glass cover-plate hot bending die 10 and its heat-bending glass cover plate of interior storing are progressively lowered the temperature,
The problems such as there is stress concentration so as to the glass cover-plate for avoiding occurring crackle due to rapidly cooling down or making hot bending, and influence
The quality of heat-bending glass cover plate finished product.
In the present invention, in order that the glass cover-plate hot bending die 10 obtains more excellent glass bending effect, in this hair
In bright, the glass cover-plate hot bending preparation system 90 further includes a control module (not shown) and a drive module, and (figure is not
Show), the control module is used to control the drive module, and the drive module is used to driving the heating workshop section 91, described
Pressing section 91, temperature adjustment workshop section 93, the first cooling workshop section 94 and the opening for workshop section 95 of the second cooling open and close
Close.
The present invention some preferably in embodiment, moving up and down and cooperation between the upper mould 20 and the lower mould 40
Automation mechanized operation is capable of achieving, is such as driven using pneumatic means (not shown), so that the lower mould 20 and the lower mould 40
Between can more accurately press, improve yields prepared by the non-plane glass cover plate.
The preparation process for carrying out non-plane glass cover plate using glass cover-plate hot bending die 10 of the present invention is as follows：
Step 1, the lower mould 40 is placed in a support platform (not shown), and the center of the support platform is set
Have two cylinders, the cylinder may pass through lower mould 40 two described in fixed via 43.Continue second toward the lower mould 40
After placing the glass marble 601 one by one in circular groove 42, the indent that the die cavity 30 is placed on the lower mould 40 is put down
After platform 401, the lower mould 40 is taken out with the indent platform 401 from the support platform.
Step 2, glass cover-plate to be processed is placed on the die cavity 30, and is determined using the positioner 50
Position, positioner 50 can be the location-plate 501 or the projection for being arranged on the upper surface of the die cavity 30 as described.Now, it is described
The upper surface of the lower surface of glass cover-plate to be processed and the die cavity 30, the lower surface of the glass cover-plate to be processed is bigger
In the die cavity 30, the first arc groove 44 of the lower mould 40 is extended at the lower surface edge of the glass cover-plate to be processed
Place；After using latch or screw, the lower mould 20 is connected with the lower mould 40, the glass cover-plate hot bending die is put
In entering the glass cover-plate hot bending preparation system 90.
Step 3, the glass cover-plate hot bending die 10 by the glass cover-plate hot bending preparation system 90 conveyer 96
Drive, sequentially pass through the heating workshop section 91, the pressing section 91, temperature adjustment workshop section 93, first bosher
After section 94 and the second cooling workshop section 95, glass bending technological operation is completed.
In the described first processing workshop section 91 with temperature adjustment workshop section 93, including being arranged on the glass cover-plate heat
Bending mould multiple heating plates about 10, described in the temperature change and second embodiment of the invention of the heating rod, herein no longer
Repeat.
In the pressing section 91, the glass cover-plate hot bending preparation system 90 is to the glass cover-plate hot bending die 10
Apply pressure, so that the upper mould 20 is moved down.Now, because the glass cover-plate hot bending die 10 is by the heating
Workshop section 91 adjusts workshop section 92 with the temperature, and the glass cover-plate hot bending die 10 has been gradually heating to close to and has been treated less than described
Process the assigned temperature (such as the minimum softening temperature of the glass cover-plate to be processed for as described in) of glass cover-plate and progressively soften, be arranged on
The glass marble 601 descended between mould 40 described in the die cavity 30 is uprised due to temperature, is also progressively softened.Due to the upper mould 20
The cambered surface side 211 match with the first cambered surface groove 44 of the lower mould 40, the glass cover-plate edge to be processed
Place is subject to pressurizing and deformation, and matches with the intrados of the first cambered surface groove 44.In the cover-plate glass quilt to be processed
While pressurization, the glass marble 601 is because by the lower pressure from the die cavity 30, the glass marble 601 also progressively becomes
Shape, and original is applied to the stress dispersion on the cover-plate glass to be processed.
Step 4, after completing above-mentioned steps 3, the glass cover-plate hot bending die 10 is prepared from the glass cover-plate hot bending
Taken out in system 90, by the described upper mould 20 and the latch or screw of the lower mould 40 of fixing the glass cover-plate hot bending die 10
Take out, and the upper mould 20 is taken out, the lower mould 40, the die cavity 30 are placed in the support platform, the support
The cylinder of platform by the jack-up of the die cavity 30, with the first of the lower mould 40 at the non-plane glass side edge thereof of hot bending
Arc groove 44 is separated, and the non-plane glass cover plate in order to the hot bending takes out.Complete the non-flat of the hot bending
Surface glass cover plate take out after, after the die cavity 30 is taken out from the lower mould 40, further by compressive deformation after the glass
Glass ball 601 is removed from the second circular groove 42 of the lower mould 40, is operated with completing a hot bending for glass cover-plate.
In practical operation, the step 3 can be carried out continuously with the step 4, heating workshop section 91 and the temperature
The temperature for adjusting workshop section 92 keeps constant, and the glass cover-plate hot bending preparation system 90 can simultaneously insert 10 glass cover-plates
Hot bending die 10, it is ensured that glass bending Product Process quality stability and improve production efficiency.In above-mentioned steps 1, in institute
State and insert comprising the following steps that for the glass marble 601 in glass cover-plate hot bending die 10：By described in six of the die cavity 40
After placing the glass marble 601 one by one in second circular groove 42, the die cavity 30 is put together with the glass cover-plate to be processed
Enter in the indent platform 401 of the die cavity 40, now, the lower surface camber of the glass marble 601 connects with second circular groove 42
Touch, the top-surface camber of the glass marble 601 is contacted with first circular groove 31, the upper surface of the die cavity 30 and the die cavity
40 upper surface is substantially flush.
In above-mentioned steps 3, the first cambered surface groove 44 is such as used, the glass cover-plate edge to be processed can be by putting down
Facial disfigurement is on-plane surface, and such as the second cambered surface groove 44 ' as described in, then the both sides of the edge of the glass cover-plate to be processed are by plane
It is deformed into on-plane surface.In other some embodiments of the present invention, the first cambered surface groove 44 and the second cambered surface groove
44 ' can be also other shapes, not be limited herein.
Further, as shown in FIG. 10A, the glass cover-plate 101a to be processed be placed on the upper mould 20 with it is described
Between die cavity 30, now, the glass cover-plate 101a to be processed is flat state, and now, the glass marble 601 is initial shape
State.
As shown in Figure 10 B, the lower surface of the boss 21 of the upper mould 20 and the upper surface of the die cavity 30 are plane
Structure, the glass cover-plate 101b to be processed deforms after being under pressure, and the zone line of the glass cover-plate 101b to be processed is
Plane, the edge deformation of the glass cover-plate 101b to be processed is cambered surface, is formed after the glass cover-plate 101b shapings to be processed
2.5D glass cover-plates.
As shown in figure 10 c, the lower surface of the boss 21 of the upper mould 20 and the upper surface of the die cavity 30 are cambered surface
Structure, the glass cover-plate 101c to be processed deforms after being under pressure, and the zone line of the glass cover-plate 101c to be processed is
First cambered surface (non-label), the radian of first cambered surface and the lower surface of the boss 21, the upper surface of the die cavity 30
The radian of globoidal structure matches, and the edge deformation of the glass cover-plate 101c to be processed is the second cambered surface (non-label), institute
3D glass cover-plates are formed after stating glass cover-plate 101b shapings to be processed.
Using glass cover-plate hot bending die 10 provided by the present invention and described 90 pairs of institutes of glass cover-plate hot bending preparation system
State that glass cover-plate to be processed carries out the surface stress of hot-bending formed glass cover plate that is obtained after hot bending processing and quality of finished is equal
Due to using cold working preparation method or existing hot bending technological method for processing.
The surface stress of the glass cover-plate of the hot bending is measured using glass surface stress ga(u)ge in the present invention, to adopt
The hot bending prepared with the glass cover-plate hot bending preparation system 90 with glass cover-plate hot bending die 10 of the present invention
Formed glass cover plate is experimental group 1, and the hot-bending formed glass cover plate that existing hot bending process will be used to prepare is control group 1, will be adopted
The non-plane glass cover plate prepared with cold working mode is control group 2, by the tempering to above-mentioned three groups of non-plane glass cover plates
Performance (such as stress, impact strength) and outward appearance are tested, using glass cover-plate hot bending die 10 of the present invention with it is described
The properties of the hot-bending formed glass cover plate that glass cover-plate hot bending preparation system 90 is prepared are superior to above-mentioned control group 1
With the performance of control group 2.
Third embodiment of the invention provides a kind of glass cover-plate hot bending preparation technology, there is provided a glass cover-plate to be processed, carries
For mould once, a die cavity and at least four glass marbles and a location-plate, the location-plate includes a flat board with opening and sets
Put the deformable list structure in the opening inner side, the chi of the opening inner side of the location-plate and the glass cover-plate to be processed
Very little to match, the glass cover-plate hot bending preparation technology at least comprises the following steps：
Step 1, glass marble described at least four is put in the upper surface of the lower mould；
Step 2, the die cavity is placed on the glass marble, and the die cavity lower surface is put down with the upper surface of the lower mould
OK；
Step 3, the glass cover-plate to be processed is put in the die cavity upper surface, and the location-plate exists for fixed placement
Glass cover-plate on the die cavity；
Step 4, after-applied pressure, the glass cover-plate to be processed and the glass are heated to the glass cover-plate to be processed
Ball softens and deforms after compression.
Compared with prior art, glass cover-plate hot bending die 10 provided by the present invention is prepared with the glass cover-plate hot bending
System 90 has the following advantages：
1st, glass cover-plate hot bending die 10 provided by the present invention, the glass cover-plate hot bending preparation system 90 and the glass
In glass cover plate hot bending preparation technology, by setting at least four glass marbles 601 under the glass cover-plate to be processed, and make described
Glass cover-plate to be processed, jointly by the state of thermal softening, deforms, due to the glass marble with the glass marble 601 after compression
601 setting, can make former power effect (such as stress) being applied on the glass cover-plate to be processed dispersed, so as to reduce institute
The part for stating glass cover-plate to be processed is subject to excessive pressure and the problem of uneven or stress concentration occurs.
2nd, glass cover-plate hot bending die 10 provided by the present invention with described in the glass cover-plate hot bending preparation system 90
First circle that quantity matches with position is respectively arranged with the lower surface of die cavity 30 and the upper surface of the lower mould 40
Groove 31 and second circular groove 42, the top-surface camber of the glass marble 601 are circular with described first recessed respectively with lower surface camber
Groove 31 is contacted with second circular groove 42, and now, the die cavity 30 is not contacted with the lower mould 40 but has gap, described
Gap be set to the glass marble after temperature distortion can have certain deformable squeeze space, the glass marble can be beneficial to
601 free deformation.
3rd, the diameter of the glass marble 601 elects 6-12mm as, can be obtained using the glass marble 601 of above-mentioned diameter
Optimal deformation squeezing effect.
4th, glass cover-plate hot bending die 10 provided by the present invention with described in the glass cover-plate hot bending preparation system 90
The lower surface of boss 21 is oppositely arranged with the upper surface of the die cavity 30, the boss 21 and the glass cover-plate size to be processed
Quite, so as to preferably pressing effect when pushing, can be obtained.
5th, the cambered surface side 211 and the arc groove 44 match setting, so as to the glass cover-plate to be processed can be made
Inner surface can be acted on by power simultaneously with outer surface, make the glass cover-plate surfaces externally and internally dynamic balance to be processed and shaping journey
Degree is suitable, therefore, more excellent glass cover-plate hot bending effect can be obtained.
6th, an at least heater can be further included in the glass cover-plate hot bending preparation system 90 provided by the present invention
Section (as heating workshop section 91 and temperature adjust workshop section 93), the cooling of an a pressing section 92, workshop section (the such as first cooling workshop section 94 and the
Two cooling workshop sections 95) an and conveyer, the glass cover-plate hot bending die 10 drives and sequentially entered by the conveyer
The heating workshop section, the pressing section 92 and the cooling workshop section are heated, are pressed and cooling down operation, so as to realize glass
Automation mechanized operation prepared by cover plate hot bending.Compared with existing use single chamber carries out glass cover-plate hot bending preparation system, use
Prepared present invention can be implemented in glass cover-plate hot bending and automated, and glass cover-plate the hot bending temperature and the pressing force that prepare are adjustable and can
Steady state value is remained, and without constantly carrying out heating and cooling operation to reaction cavity inside, with production efficiency higher and saving
Energy consumption.
7th, the non-plane glass cover plate for being prepared using heretofore described glass cover-plate hot bending die 10 with using cold
Processing, the preparation of existing hot bending technique or non-plane glass cover plate compare, with more quality product matter and be difficult to form tiny
Crack, compared with prior art, the glass cover-plate hot bending die 10 provided by the present invention, the glass cover-plate hot bending system
Standby system 90 and the glass cover-plate hot bending preparation technology strong applicability and easy to operate, yields is high.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in original of the invention
Any modification made within then, equivalent and improvement etc. all should be comprising within protection scope of the present invention.
Claims (10)
1. a kind of glass cover-plate hot bending die, there is provided glass cover-plate to be processed, it is characterised in that：The glass cover-plate hot bending die
Including mould once, a die cavity and at least four glass marbles and a location-plate, the die cavity is arranged within the lower mould, four institutes
State glass marble uniformly to divide between the die cavity and the lower mould, the glass cover-plate to be processed is located on the die cavity, institute
State location-plate has the flat board of opening and is arranged on the deformable list structure of the opening inner side including one, the location-plate
Opening inner side matches with the size of the glass cover-plate to be processed, and the location-plate is used for fixed placement on the die cavity
Glass cover-plate, when the glass cover-plate hot bending die be heated to close to and it is minimum less than the glass cover-plate to be processed
Softening temperature, the glass cover-plate to be processed softens with the glass marble and deforms after compression.
2. glass cover-plate hot bending die as described in the appended claim 1, it is characterised in that：The lower surface of the die cavity and the lower mould
Upper surface be oppositely arranged, the lower surface of the die cavity includes at least four first circular grooves, the upper table bread of the lower mould
Include at least four second circular grooves, first circular groove and second circular groove match setting, the glass
Bulb diameter is 6-12mm, is placed between first circular groove and the second circular groove, and the first circular groove depth
Spend the diameter less than the glass marble with the second circular groove depth sum.
3. glass cover-plate hot bending die as described in the appended claim 1, it is characterised in that：The glass cover-plate hot bending die is further
Including mould on, the upper mould includes a boss, and the lower surface of the boss is oppositely arranged with the upper surface of the die cavity, described
Boss is suitable with the glass cover-plate size to be processed.
4. glass cover-plate hot bending die as described in the appended claim 1, it is characterised in that：The lower surface of the boss and the die cavity
Upper surface be plane or cambered surface.
5. glass cover-plate hot bending die as claimed in claim 4, it is characterised in that：The boss includes four cambered surface sides, institute
Stating lower mould includes an indent platform, and the inside upper part of the indent platform includes an at least arc groove, the cambered surface side and institute
State arc groove matching to set, the glass cover-plate edge to be processed is contacted with the arc groove.
6. glass cover-plate hot bending die as claimed in claim 5, it is characterised in that：The arc groove is shaped as rectangle frame, C
Type frame；Or the arc groove is to be set in parallel in opposite sides.
7. a kind of glass cover-plate hot bending preparation system, it is characterised in that：The glass cover-plate hot bending preparation system includes such as right
It is required that glass cover-plate hot bending die described in any one of 1-6, the glass cover-plate hot bending preparation system further include at least one plus
Thermal technology's section, a pressing section, cooling workshop section and a conveyer, the glass cover-plate hot bending die is by the conveyor belt
The heating workshop section, the pressing section and the cooling workshop section is moved and sequentially enters to be heated, pressed and cooling down operation.
8. glass cover-plate hot bending preparation system as recited in claim 7, it is characterised in that：The heating workshop section includes at least three
Individual first heating station, the heating upper limit of the first heating station increases successively described at least three.
9. glass cover-plate hot bending preparation system as recited in claim 7, it is characterised in that：Further include that temperature adjusts work
Section, the temperature adjustment workshop section is located between the pressing section and cooling workshop section.
10. a kind of glass cover-plate hot bending preparation technology a, there is provided glass cover-plate to be processed, it is characterised in that：Once mould, one are provided
Die cavity and at least four glass marbles and a location-plate, the location-plate include a flat board with opening and are arranged on the opening
The deformable list structure of inner side, the opening inner side of the location-plate matches with the size of the glass cover-plate to be processed, institute
Glass cover-plate hot bending preparation technology is stated at least to comprise the following steps：
Step 1, glass marble described at least four is put in the upper surface of the lower mould；
Step 2, the die cavity is placed on the glass marble, and the die cavity lower surface is parallel with the upper surface of the lower mould；
Step 3, the glass cover-plate to be processed is put in the die cavity upper surface, and the location-plate is used for fixed placement described
Glass cover-plate on die cavity；And
Step 4, after-applied pressure is heated to the glass cover-plate to be processed, and the glass cover-plate to be processed is soft with the glass marble
Change and deform after compression.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610076268.2A CN105731772B (en) | 2016-02-02 | 2016-02-02 | Glass cover-plate hot bending die, glass cover-plate hot bending preparation system and its technique |
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| CN201610076268.2A CN105731772B (en) | 2016-02-02 | 2016-02-02 | Glass cover-plate hot bending die, glass cover-plate hot bending preparation system and its technique |
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| CN106430924B (en) * | 2016-09-22 | 2021-05-11 | 凯茂科技(深圳)有限公司 | Hot bending die |
| CN106396352A (en) * | 2016-10-25 | 2017-02-15 | 三砥新材（深圳）有限公司 | Curved-glass hot bending mold, curved-glass hot bending preparation system and curved-glass hot bending preparation process |
| CN108069583B (en) * | 2016-11-11 | 2019-12-27 | 比亚迪股份有限公司 | Curved glass hot bending die, curved glass and preparation method thereof |
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| CN106630561A (en) * | 2017-01-18 | 2017-05-10 | 东莞华清光学科技有限公司 | Mold for hot bending 2D (Two-Dimensional) glass lens and hot bending process applying mold |
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| CN107572762A (en) * | 2017-10-27 | 2018-01-12 | 安徽省蚌埠华益导电膜玻璃有限公司 | A kind of hot bending process of bend glass hot bending die and the mould |
| CN107879606B (en) * | 2017-12-07 | 2023-04-28 | 苏州赛万玉山智能科技有限公司 | Automatic transferring, loading and unloading device for high-temperature forming die, efficient processing system for 3D cover plate glass and processing method of efficient processing system |
| CN107857466A (en) * | 2017-12-07 | 2018-03-30 | 苏州赛万玉山智能科技有限公司 | Efficient 3D cover-plate glass preheating device, pre-heating mean, hot-bending machine and its processing method |
| CN108117251A (en) * | 2018-01-03 | 2018-06-05 | 瑞声精密制造科技(常州)有限公司 | A kind of glass processing die and glass processing method |
| CN109650704A (en) * | 2019-03-01 | 2019-04-19 | 深圳盛为精工科技有限公司 | A kind of 3D hot bending right angle four sides contour glass and its production technology |
| CN110372181B (en) * | 2019-07-09 | 2022-01-14 | Oppo（重庆）智能科技有限公司 | Glass cover plate and preparation method thereof, display screen assembly and electronic equipment |
| CN113998874A (en) * | 2020-12-31 | 2022-02-01 | 安徽金龙浩光电科技有限公司 | Hot bending horizontal finding auxiliary tool |
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Inventor after: Lu Zhengwang Inventor after: Huang Hongwu Inventor after: Zeng Maobo Inventor after: Liu Jiang Inventor before: Huang Hongwu Inventor before: Zeng Maobo Inventor before: Liu Jiang Inventor before: Lu Zhengwang |