CN206204145U - A kind of hot bending die of three sheet metal formings - Google Patents

A kind of hot bending die of three sheet metal formings Download PDF

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Publication number
CN206204145U
CN206204145U CN201621098520.1U CN201621098520U CN206204145U CN 206204145 U CN206204145 U CN 206204145U CN 201621098520 U CN201621098520 U CN 201621098520U CN 206204145 U CN206204145 U CN 206204145U
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die
hot bending
male mold
positioning
die cavity
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CN201621098520.1U
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周群飞
饶桥兵
唐遒
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Lens Technology Changsha Co Ltd
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Lens Technology Changsha Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

Abstract

The utility model discloses a kind of hot bending die of three sheet metal formings, including molding concave die, positioning center and male mold inserts;Die cavity is set on the molding concave die, the die cavity bottom surface is hot bending curved surface, and the positioning center is overlayed on molding concave die by location structure, which is provided with the groove relative with die cavity, the male mold inserts are inlaid in the groove, and the product that will be placed in die cavity is compressed.The utility model is in hot bending technique, pick and place product convenient and swift, mould uses ceramic material, it is not oxidizable, die life is improved, the product appearance quality of production is good, and the product appearance quality worked it out after polishing can reach the effect after the polishing of graphite jig product back segment operation, so as to reduce the process time of follow-up workshop section, the yields and processing speed of hot bending processing are substantially increased.

Description

A kind of hot bending die of three sheet metal formings
Technical field
The utility model belongs to glass bending process technology, and in particular to a kind of hot bending die of three sheet metal formings.
Background technology
The mould used in existing hot bending technique is mostly graphite jig (two board molds, many structure mould Tool), easily there is mould oxidative phenomena in the 3D products for four side hot bendings during hot bending, when mould oxidation occurs now As rear, the problems such as the glass product produced occurs inverted triangle, R angles impressing, face pressure print, cambered surface impressing, sags and crests, for this Situation, the technological means for generally using is to drop face or adjustment hot bending parameter by by mould.
Wherein, drop face causes the mould in many mold co-productions to exist after effectively solving such phenomenon, but drop face It is uneven, causes glass bending to occur bad, and mould remains unchanged oxidative phenomena occurs in subsequent production, it is still necessary to weight Drop face can be only achieved production requirement again, the increase of production cost be caused, while the appearance of such phenomenon can not be solved thoroughly;Adjust Whole hot bending parameter can hardly be removed for the disadvantages described above of product, although rising high-temperature can mitigate disadvantages described above, but It is excessively to rise high-temperature new defect such as pit, ripple glaze etc. occur again, the technique that industry is not reached more importantly will Ask and shipment standard.
Utility model content
The utility model solve technical problem be:For the drawbacks described above that existing bending mould is present, there is provided A kind of hot bending die of three sheet metal formings, can effectively solve the bad phenomenon occurred when existing mold is produced, and improve hot bending Yields and processing speed.
The utility model adopts the following technical scheme that realization:
A kind of hot bending die of three sheet metal formings, including molding concave die, positioning center and male mold inserts;On the molding concave die Die cavity is set, and the die cavity bottom surface is hot bending curved surface, and the positioning center is overlayed on molding concave die by location structure, The groove relative with die cavity is which is provided with, the male mold inserts are inlaid in the groove, the product pressure in die cavity will be placed on Tightly.
Further, the molding concave die is provided with positioning boss, set on the positioning center corresponding slot structure with Boss is fitted together to.
Further, the die cavity is arranged on positioning boss top surface, and the groove bottom of the positioning center is set and positioning The chimeric step groove of boss.
Further, when the male mold inserts compress the product in die cavity, the top surface of male mold inserts is higher by positioning center Top surface 2mm-2.5mm.
In the utility model, the male mold inserts, positioning center and molding concave die are made of ceramic material.
The utility model is combined by three ceramic components, is the shaping on product convex surface as the molding concave die of lower mould Face, outwards respectively extends 5mm and forms positioning boss in the forming face surrounding of concave die cavity, and positioning center is determined by positioning boss Position, the Main Function for positioning center is that male mold inserts are carried out with guide-localization and position positioning is carried out to the product before unshaped, Finally by the groove of male mold inserts placement positioning center, when product is not put into, mold insert is put into center in being highly slightly less than Frame 0.5mm~1mm, center 2mm~2.5mm is higher by by the height that the unfashioned product of product is put into mold insert, so product into During shape plus-pressure, pressure perpendicular is concentrated on male mold inserts, so that product faster shapes evenly stress.
The utility model has the advantages that:
First, during forming operation, pick and place convenient and swift, be hardly damaged the ambiguous of mould, mould uses ceramic material, Not oxidizable, the product appearance quality of production is good, is substantially not in that inverted triangle, R angles impressing, face pressure print, sags and crests etc. are asked Topic.
2nd, by the improvement of mould structure, it is effectively guaranteed product and subtracts again while other mass defects are occurred without The light arc side mould print of product, while the product appearance quality worked it out after being polished using the mould heat pressure can reach graphite Effect after the polishing of mould product back segment operation, so as to reduce the process time of follow-up workshop section, substantially increases adding for rear operation Work speed.
From the above mentioned, the utility model simple structure, can effectively solve the problem that all kinds of bad phenomenon of the product produced, and carry Die life high, while improving the yields and processing speed of hot bending processing, can be promoted in actual production Using.
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 assembling schematic diagram in embodiment.
Fig. 2 is the hot bending die decomposing schematic representation in embodiment.
Fig. 3 is the male mold inserts structural representation in embodiment.
Fig. 4 is the positioning middle frame structure schematic diagram in embodiment.
Fig. 5 is the forming bottom die structural representation in embodiment.
Label in figure:1- male mold inserts, 2- positioning centers, 201- step grooves, 202- grooves, 3- molding concave dies, 301- is fixed Position boss, 302- die cavities.
Specific embodiment
Embodiment
Referring to Fig. 1 and Fig. 2, it is illustrated that in three sheet metal formings hot bending die be preferred embodiment of the present utility model, tool Body is formed by male mold inserts 1, positioning 3 three component combinations of center 2 and molding concave die, and wherein male mold inserts 1 and molding concave die 3 will Product is directly fastened, and positioning center 2 is arranged between male mold inserts and molding concave die, and positioning is formed to product and male mold inserts, The tabular mould of clamping product is made up of three parts.
With reference to die cavity 302 referring to Fig. 3 to Fig. 5, is provided with molding concave die 3, the bottom surface of die cavity 302 is the heat of product workpiece Roll forming curved surface, such as four sides to 3D glass lens carry out hot bending, then fall the circular arc that the bottom surface of die cavity is contoured to correspond to The cancave cambered surface at angle.Positioning center 2 is arranged on die cavity cavity plate by positioning boss and the chimeric of detent, and positioning center 2 is One frame shape part, its frame outside overlaps with the side of molding concave die, and inside is groove 202, on the groove 202 and molding concave die Die cavity is in the same size and position overlaps, product can be placed into the die cavity of molding concave die by positioning the groove of center, convex Mould mold insert 1 is inlaid in the groove of positioning center, and the size of male mold inserts 1 is consistent with product, groove and die cavity, by hot bending The product that hold-down mechanism in equipment will be placed in die cavity is compressed, and after being heated and softened to product, the pressure of hold-down mechanism leads to Cross male mold inserts and be transferred to product, the product of softening is hot pressed into the curve form consistent with die cavity bottom surface.
Hot pressing processing is carried out if desired for the two sides to product, the bottom surface of male mold inserts corresponding song can be also configured to Face, the upper and lower faces to product are while carry out hot-forming.
Specifically as shown in Figure 4 and Figure 5, in the present embodiment, die cavity 302 is arranged on the rectangle convex of positioning female die 3 On platform 301, and the surrounding of die cavity 302 stretches out 5mm or so, forms the rectangular top of boss, and the periphery of molding concave die is downward Removal material forms positioning boss 301, and a step groove 201, the size of step groove 201 are set in the groove bottom surface of positioning center 2 Consistent with positioning boss 301, the positioning boss and step groove of rectangle can ensure that the position positioned between center and shaping groove is steady It is fixed.
When the product in the pressing molding concave die cavity of male mold inserts 1, the top surface of male mold inserts should be higher by positioning The top surface 2mm-2.5mm of frame 2, so just can guarantee that the hold-down mechanism thrust effective to product formation.
In the present embodiment, male mold inserts 1, positioning center 2 and molding concave die 3 are made of ceramic material, ceramic material Hardness it is high, fusing point is also high, is difficult oxidative phenomena at high temperature, and with preferable heat conductivility, ensure that heat To the heat conduction efficiency of product in bending process.
The concrete operation method of the hot bending die in the present embodiment is as follows:Before product shaping, positioning center is placed on Positioned on female die for forming, then unfashioned products material is placed into the type of shaping groove by positioning the groove of center In chamber, finally male mold inserts are kept flat to the groove of positioning center, mould is together put into hot bending equipment together with product Row heating, is put into the male mold inserts after product and is higher by center 2mm~2.5mm, and in hot bending equipment, hold-down mechanism is inlayed by punch-pin Part after the completion of hot bending process shaping, when taking out product, is directly taken positioning center to product formation pressure from molding concave die Rise, male mold inserts and product are taken out from groove.
Embodiment above describes general principle of the present utility model and principal character and advantage of the present utility model, one's own profession The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate concrete operating principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, this reality Various changes and modifications are also had with new, these changes and improvements are both fallen within the range of claimed the utility model, this The claimed scope of utility model is by appending claims and its equivalent thereof.

Claims (5)

1. a kind of hot bending die of three sheet metal formings, it is characterised in that:Including molding concave die, positioning center and male mold inserts;It is described Die cavity is set on molding concave die, and the die cavity bottom surface is hot bending curved surface, and the positioning center is overlayed by location structure On molding concave die, the groove relative with die cavity is which is provided with, the male mold inserts are inlaid in the groove, will be placed on die cavity In product compress.
2. a kind of hot bending die of three sheet metal forming according to claim 1, the molding concave die is provided with positioning boss, institute State on positioning center that to set corresponding slot structure chimeric with boss.
3. a kind of hot bending die of three sheet metal forming according to claim 2, the die cavity is arranged on positioning boss top surface, institute The groove bottom for stating positioning center sets the step groove chimeric with positioning boss.
4. a kind of hot bending die of three sheet metal forming according to claim 3, the male mold inserts compress the product in die cavity When, the top surface of male mold inserts is higher by the top surface 2mm-2.5mm of positioning center.
5. the hot bending die of a kind of three sheet metal forming according to any one of claim 1-4, in the male mold inserts, positioning Frame and molding concave die are made of ceramic material.
CN201621098520.1U 2016-09-30 2016-09-30 A kind of hot bending die of three sheet metal formings Active CN206204145U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621098520.1U CN206204145U (en) 2016-09-30 2016-09-30 A kind of hot bending die of three sheet metal formings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621098520.1U CN206204145U (en) 2016-09-30 2016-09-30 A kind of hot bending die of three sheet metal formings

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CN206204145U true CN206204145U (en) 2017-05-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108120A1 (en) * 2018-11-27 2020-06-04 瑞声声学科技(深圳)有限公司 Glass processing mold and glass processing method
CN112349208A (en) * 2020-11-12 2021-02-09 京东方科技集团股份有限公司 Auxiliary bending mechanism and display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108120A1 (en) * 2018-11-27 2020-06-04 瑞声声学科技(深圳)有限公司 Glass processing mold and glass processing method
CN112349208A (en) * 2020-11-12 2021-02-09 京东方科技集团股份有限公司 Auxiliary bending mechanism and display device

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