CN206279078U - A kind of hot bending die for improving bend glass lens surface quality - Google Patents
A kind of hot bending die for improving bend glass lens surface quality Download PDFInfo
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- CN206279078U CN206279078U CN201621250259.2U CN201621250259U CN206279078U CN 206279078 U CN206279078 U CN 206279078U CN 201621250259 U CN201621250259 U CN 201621250259U CN 206279078 U CN206279078 U CN 206279078U
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- shaping
- glass lens
- hot bending
- bending die
- cambered surface
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Abstract
The utility model discloses a kind of hot bending die for improving bend glass lens surface quality, including the mutual punch-pin and cavity plate for fastening, the front of the punch-pin is provided with shaping projection, and the front of the cavity plate is provided with shaping groove chimeric therewith；The raised edge of the shaping is the cambered surface transition matched with glass lens shaping cambered surface, and the bottom edge of the shaping groove is provided with the empty avoiding region separated with glass lens shaping cambered surface.The utility model provides a kind of simple structure, it is easy to operate, the hot bending die of low cost, effectively realize glass four in brake forming because of arc while orange peel effect caused by processing difficulties, the external structure of existing hot bending die is not changed, need not change for mould and redesign corresponding processing tool, meet all of hot bending board, it is adaptable to all types of side bending molding process of glass four.
Description
Background technology
The utility model belongs to glass lens hot bending die, and in particular to a kind of glass being effectively improved during hot bending
The hot bending die of lens surface quality.
Technical field
Existing glass heat bender heats wolfram steel plate using heating bar, pushes down mould by upper and lower two blocks of wolfram steel plates to complete
The brake forming on the side of glass four.The shaping arc that existing mould structure is arranged to be matched with Arc lenses in upper die and lower die
Face, glass lens can be close to mould cambered surface in hot pressing, all be using paticulate factorses die casting sintering due to upper/lower die
Into the mould paticulate factorses skewness after machining, upper and lower two blocks of wolfram steel plates can form tangerine peel and show when pushing down mould molding
As (tangerine peel refers to that the hollow for having similar orange peel in bends cambered surface of the side of glass four with contacting dies or in plane is formed not
Smooth phenomenon).Therefore need to carry out polishing cleaning to glass lens surface after hot bending, because of cleaning technique limitation at present,
The tangerine peel cleaning effect on arc side does not have plane tangerine peel cleaning effect good, and the cambered surface of evagination does not have the cambered surface cleaning effect of indent good.
In the case where mould structure is not changed, even if orange peel effect can not be prevented effectively from by adjusting hot-bending machine parameter
Generation, therefore directly the glass lens after hot bending do not reach technological requirement, can not meet appearance requirement of the client to product, need
Increasing cost carries out later stage cleaning polishing.Therefore the improvement of cambered surface tangerine peel is current 3D hot bendings work during four side brake forming of glass
Skill is badly in need of the bottleneck broken through.
Utility model content
The utility model solve technical problem be：Easily tangerine is produced during for four side hot bending of existing glass lens
A kind of defect of skin phenomenon, there is provided hot bending die of improvement bend glass lens surface quality, effectively reduces glass lens in heat
The orange peel effect for being difficult to clear away is produced during curved.
The utility model use technical problem be：
A kind of hot bending die for improving bend glass lens surface quality, including the punch-pin and cavity plate for mutually fastening, it is described
The front of punch-pin is provided with shaping projection, and the front of the cavity plate is provided with shaping groove chimeric therewith；The raised side of the shaping
Edge is the cambered surface transition matched with glass lens shaping cambered surface, and the bottom edge of the shaping groove is provided with and is molded with glass lens
The empty avoiding region that cambered surface separates.
Further, the back side periphery of the punch-pin and cavity plate is provided with balance protrusion, the position of the balance protrusion and glass
Bends cambered surface position of the glass eyeglass in mould is corresponding, and is formed and glass lens comparable dimensions in the back side center of punch-pin
Balance cavity plate.
Preferably, the height of the balance protrusion is 0.1mm-0.8mm.
Preferably, the depth of the balance groove is 0.5mm-1.2mm.
Further, the bottom edge of the molding concave die sets transition at a right angle, the empty avoiding region be the right angle with
Clearance space between glass shaping cambered surface.
In the utility model, mutually chimeric positioning step is respectively equipped between the punch-pin and cavity plate.
The utility model changes existing die surface and is close to the technique of hot bending with glass lens, in the shaping of cavity plate
The position of recess edge correspondence glass lens shaping cambered surface sets empty avoiding region, by the extruding of punch-pin glass is carried out hot bending into
Type, so glass lens shaping cambered surface concave surface not with mould directly contact, will not the position formed tangerine peel, effectively
Avoid the orange peel effect generation that glass lens are most difficult to trim locations.The utility model is only by the extruding of punch-pin to glass lens
Carry out hot bending, to cambered surface hot bending during uniform force requirement it is higher, it is contemplated that existing hot-bending machine utilizes heating bar
Heating wolfram steel plate, heating bar heating to uniform temperature, in the local temperature highest near heating bar, then temperature is to week for wolfram steel plate
Side is spread, be easily deformed in the middle part of wolfram steel plate (therefore place's heating bar maximum temperature can reach 800 degree, at this temperature
Wolfram steel plate has a slight deformation, belongs to normal phenomenon), in order to avoid in hot bending pressure process because tungsten steel plate deformed causes glass mirror
Cambered surface hot bending deformation caused by the discontinuity of piece, the utility model also sets balance protrusion at the back side of mould and balance is recessed
Groove, is effectively matched wolfram steel plate by thermogenetic deflection, it is ensured that product hot pressing stress balance.
The heat-bending glass eyeglass processed using the utility model, can be produced slight in the concave surface of product surface and shaping cambered surface
Orange peel effect, the convex surface of the shaping cambered surface that compares, follow-up cleaning polishing is easier to.
From the above mentioned, the utility model provide a kind of simple structure, easy to operate, the hot bending die of low cost, effectively
Realize glass four in brake forming because of arc while tangerine peel caused by processing difficulties, do not change the outside of existing hot bending die
Structure, it is not necessary to change for mould and redesign corresponding processing tool, meet all of hot bending board, it is adaptable to all kinds of
The side bending molding process of glass four of type.
The utility model is described further below in conjunction with the drawings and specific embodiments.
Brief description of the drawings
Fig. 1 is the hot bending die decomposing schematic representation one in embodiment.
Fig. 2 is the hot bending die decomposing schematic representation two in embodiment.
Fig. 3 is the hot bending schematic diagram of the hot bending die in embodiment.
Fig. 4 is that the empty avoiding region in embodiment forms schematic diagram.
Label in figure：The upper moulds of 1-, 11- shapings are raised, the upper mould positioning steps of 12-, 13- balance protrusions, 14- balance grooves,
Mould under 2-, 21- shaping grooves, 211- empty avoidings region, mould positioning step under 22-, 3- glass lens.
Specific embodiment
Embodiment
Referring to Fig. 1 and Fig. 2, it is illustrated that in hot bending die be preferred embodiment of the present utility model, specifically include fastening
Upper mould 1 and lower mould 2, wherein upper mould 1 is punch-pin, shaping raised 11 is provided with the front of upper mould 1, lower mould 2 is cavity plate, in lower mould
2 front is provided with shaping groove 21, and upper mould 1 and lower mould 2 are fastened, and shaping raised 11 is entrenched in shaping groove 21, and in shaping
A space for accommodating glass lens brake forming is formed between raised 11 and shaping groove 21, in the environment of heating pressurization, will
The glass lens hot bending of plane possesses the glass lens of cambered surface into four sides.Front described in the present embodiment refers both to two mould phases
To the one side for fastening, the another side of mould is then the back side.
As shown in Figure 3 and Figure 4, in the present embodiment, it is set to and glass lens 3 at 11 edges of shaping projection of upper mould 1
The shaping cambered surface transition that matches of cambered surface, and the bottom edge in shaping groove 21 sets transition at a right angle, forming convax mould 11 to
During lower hot bending extruding glass lens, an empty avoiding area is separated out between the right angle transition of shaping groove 21 and glass lens shaping cambered surface
Domain 211, the shaping cambered surface for forming glass lens hot bending is not contacted between lower mold forming groove.
The structure of shaping groove 21 of lower mould is concave surface corresponding with product convex surface, and width is slightly less than the chi of plate glass eyeglass
It is very little, it is right angle transition at the bottom edge of lower mold forming groove 21, in the shaping 11 direct empty avoidings of projection of upper mould, glass lens
Arc side in hot bending, plate glass eyeglass under the raised compressing of upper die forming, in the middle of the lower surface of glass lens with
The bottom surface of lower mold forming groove is fitted completely, and glass lens periphery forms the arc side bent, wherein the shaping cambered surface outermost on arc side
End contacts with the vertical plane of shaping groove so that the edge of glass lens and shaping groove forced contact, and the arc of glass lens 3
The overall shaping groove not with lower mould in side is fitted, it is to avoid the shaping groove when side of glass lens 3 four bends to cambered surface with lower mould connects
Touch, be effectively improved glass lens and the tangerine peel problem that cambered surface occurs is molded during hot bending.
It is to heat wolfram steel plate using heating bar in view of existing hot-bending machine, upper wolfram steel plate is fixed on the wolfram steel equipped with heating bar
Plate lower section, lower wolfram steel plate is fixed on the wolfram steel plate top equipped with heating bar, and when heating bar heating to uniform temperature, wolfram steel plate is being leaned on
The local temperature highest of nearly heating bar, then temperature spread to periphery, so upper and lower wolfram steel plate middle part can be sent out after the heating
Raw micro-strain, and then have influence on the power transmission effect between wolfram steel plate and upper and lower mould.In order to avoid the glass mirror in the present embodiment
Piece four while during hot bending because shaping cambered surface when power conduction inequality causes hot bending arc deforms, in upper mould 1 and lower mould 2
Back side periphery sets 0.5mm balance protrusions 13 high, formed in the middle of balance protrusion 13 one with glass product hot bending after
The much the same balance groove 14 of plane length and width, the depth of balance groove 14 is 1mm.According to practical condition, balance protrusion 13
Height may be set in the range of 0.1mm-0.8mm, the depth of balance groove 14 may be set in the model of 0.5mm-1.2mm
In enclosing.
Balance protrusion 13 at the mould back side is effectively matched the deflection that the wolfram steel plate of correspondence contact is produced in adstante febre, protects
Demonstrate,prove upper and lower two blocks of wolfram steel plates push down mould complete product hot bending when plane stress balance, reduce product plane produce tangerine
Skin phenomenon, is conducive to the little orange peel produced subsequently through the cleaning of automatic flat-grinding machine.In the balance protrusion chi that the mould back side is set
It is very little to be matched according to the deflection of the upper and lower two blocks of wolfram steel plates of actual hot bending board.
The utility model further respectively has mould positioning step 12 and lower mould positioning step 22 on upper mould 1 and lower mould 2,
The positioning between mould 1 and lower mould 2 is carried out, for the shaping projection of upper die and lower die to be fastened with shaping groove rapid-aligning,
Upper mould positioning step 12 and lower mould positioning step 22 are bonded to each other after the conjunction of upper and lower die button, it is ensured that shaping projection and shaping groove
The distance between it is uniform.Upper mould positioning step 12 and lower mould positioning step 22 can be shaped to continuously with corresponding mould respectively
Hierarchic structure, be easy to processing, as above the upper mould positioning step 12 on mould 1 raised with shaping 11 is set along into continuous raised platform
Rank, the lower mould positioning step 22 on lower mould 2 is set along into successive steps slot form with shaping groove 21.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.This reality
Can be not restricted to the described embodiments with new, simply illustrate of the present utility model described in above-described embodiment and specification
Principle, on the premise of the utility model spirit and scope are not departed from, the utility model also has various changes and modifications, these
Changes and improvements are both fallen within the range of claimed the utility model.The claimed scope of the utility model is by appended right
Claim and its equivalent thereof.
Claims (6)
1. a kind of hot bending die for improving bend glass lens surface quality, including the punch-pin and cavity plate for mutually fastening, it is described convex
The front of mould is provided with shaping projection, and the front of the cavity plate is provided with shaping groove chimeric therewith；It is characterized in that：The shaping
Raised edge is the cambered surface transition matched with glass lens shaping cambered surface, and the bottom edge of the shaping groove is provided with and glass
The empty avoiding region that eyeglass shaping cambered surface separates.
2. a kind of hot bending die for improving bend glass lens surface quality according to claim 1, the punch-pin and recessed
The back side periphery of mould is provided with balance protrusion, the bends cambered surface position phase of the position of the balance protrusion with glass lens in mould
Correspondence, and form the balance cavity plate with glass lens comparable dimensions in the back side center of punch-pin.
3. it is according to claim 2 it is a kind of improve bend glass lens surface quality hot bending die, the balance protrusion
Height be 0.1mm-0.8mm.
4. it is according to claim 2 it is a kind of improve bend glass lens surface quality hot bending die, the balance groove
Depth be 0.5mm-1.2mm.
5. it is according to claim 1 it is a kind of improve bend glass lens surface quality hot bending die, the molding concave die
Bottom edge transition at a right angle is set, the empty avoiding region is the clearance space between the right angle and glass shaping cambered surface.
6. a kind of hot bending die of the improvement bend glass lens surface quality according to any one of claim 1-5, institute
State and mutually chimeric positioning step is respectively equipped between punch-pin and cavity plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621250259.2U CN206279078U (en) | 2016-11-18 | 2016-11-18 | A kind of hot bending die for improving bend glass lens surface quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621250259.2U CN206279078U (en) | 2016-11-18 | 2016-11-18 | A kind of hot bending die for improving bend glass lens surface quality |
Publications (1)
| Publication Number | Publication Date |
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| CN206279078U true CN206279078U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621250259.2U Active CN206279078U (en) | 2016-11-18 | 2016-11-18 | A kind of hot bending die for improving bend glass lens surface quality |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601829A (en) * | 2017-10-31 | 2018-01-19 | 湖北天宝光电科技有限公司 | A kind of 3D glass-forming dies structure |
| 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 |
| CN113060930A (en) * | 2021-04-20 | 2021-07-02 | 清远南玻节能新材料有限公司 | Glass forming mold, glass forming device and forming method |
-
2016
- 2016-11-18 CN CN201621250259.2U patent/CN206279078U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601829A (en) * | 2017-10-31 | 2018-01-19 | 湖北天宝光电科技有限公司 | A kind of 3D glass-forming dies structure |
| CN107601829B (en) * | 2017-10-31 | 2020-10-30 | 湖北天宝光电科技有限公司 | 3D glass forming die structure |
| 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 |
| CN113060930A (en) * | 2021-04-20 | 2021-07-02 | 清远南玻节能新材料有限公司 | Glass forming mold, glass forming device and forming method |
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