CN206476884U - A kind of bonding die of complex-curved shell - Google Patents

Abstract

The utility model discloses a kind of bonding die of complex-curved shell, including shaping die component and lateral compression component, the lateral compression component is arranged on the shaping die component internal, wherein shaping die component includes front cavity and rear cavity, the structure in the relative face of the front cavity and the rear cavity upper and lower surface to compress the complex-curved shell corresponding with the upper and lower surface structures of the complex-curved shell respectively, the lateral compression component is used for the side for compressing the complex-curved shell.The utility model proposes complex-curved shell bonding die, it is possible to achieve the preparation technology of the electronic product casing of the complicated 3D curved surfaces of the material such as glass, ceramics and sapphire, do not limited by product structure, technique applicability is wide.

Description

A kind of bonding die of complex-curved shell

Technical field

The utility model is related to technical field of electronic products, a kind of bonding die of complex-curved shell.

Background technology

As the 3C electronic products such as mobile phone, wearable product, ergonomics product, mobile electron are lightening, fashion-orientation, Practical product demand, existing electronic product casing uses glass material, and mobile phone, wearable production more and more The product designs such as product, mobile electron are more and more using the 3D bend glasses of the complex appearances such as gradual change, cambered surface, 3D abnormal curved surfaces Screen or backboard.

Hot bending after 2D cambered surfaces used in 3C mobile electronic devices or 3D bend glasses are typically heated at high temperature using glass Technology is realized, is widely used to the production of all kinds of 3C electronic products curve screens.Existing bend glass preparation technology Principle be to make simply to press again after glass hot mastication moulding, belong to simple hot bending processing, simple evagination can only be prepared 3D bend glasses, for complexity such as the arc concave shape curved surfaces and annular curved surface needed for the products such as wearable or ergonomics Profile 3D bend glasses, because the factors such as product bending direction is complicated, stress surface is more, the support of shortage stress, indent back-off can not Reality；Simultaneously because the labyrinth of the annular indent glass of 3D, inner concave can not be worked into by common process, glass product is caused to add The manufacturing process such as clearing off, printing and can not realize in work, causes the integral level of glass product manufacturing process to rest on simply The 3D curved face processing stages, and a series of existing supporting preparation technologies can not inherently be changed so that glass material Matter is dfficult to apply to complicated glass profile product, limits the application and development of technology for making glass；Therefore need one kind full The manufacturing process of foot wearing or the complicated concave inward structure glass of ergonomics product, while the compatible existing glass of energy is cleared off, printed Deng process matched therewith, production is high, and with preparation technology is simple, formed precision is high, mould is durable in use, economical and practical, operation Simply, high yield rate, the complex-curved method for glass preparation of suitable scale of mass production, meet wearable product, ergonomics Even practical development becomes when the 3C such as product, mobile electron electronic products complexity 3D concave inward structure glass shell structural members are frivolous Gesture.

The disclosure of background above technology contents is only used for auxiliary and understands design of the present utility model and technical scheme, and it is not The prior art of present patent application is necessarily belonged to, the applying date of the above in present patent application is being shown without tangible proof In the case of disclosed, above-mentioned background technology should not be taken to evaluate the novelty and creativeness of the application.

Utility model content

In order to solve the above technical problems, the utility model proposes a kind of bonding die of complex-curved shell, it is possible to achieve The preparation technology of the electronic product casing of the complicated 3D curved surfaces of the materials such as glass, ceramics and sapphire, is not limited by product structure, Technique applicability is wide.

To reach above-mentioned purpose, the utility model uses following technical scheme：

The utility model discloses a kind of bonding die of complex-curved shell, including shaping die component and lateral compression Component, the lateral compression component be arranged on the shaping die component internal, wherein shaping die component include front cavity and The upper and lower surface of the structure in the relative face of rear cavity, the front cavity and the rear cavity respectively with the complex-curved shell The corresponding upper and lower surface to compress the complex-curved shell of structure, the lateral compression component is used to compress the complicated song The side of face shell.

Preferably, the bonding die of the complex-curved shell also includes guidance set, and the guidance set includes many Guide pillar and many corresponding guide pin bushings, many guide pillars are separately mounted in the front cavity, and many guide pin bushings are pacified respectively In the rear cavity, wherein many guide pillars can be inserted respectively into many guide pin bushings.

Preferably, heater is provided with the shaping die component and/or the lateral compression component.

Preferably, the shaping die component and the lateral compression component are made of graphite material.

Preferably, the shaping die component and the lateral compression component Surface coating have carborundum, tungsten carbide, Silica or alundum (Al2O3) film layer.

Preferably, the lateral compression component uses oblique wedging type structure.

Preferably, the lateral compression component includes side slide block, wedge block, Angle Pin and briquetting, and the briquetting is installed At the two ends of the side slide block, the side slide block and the briquetting are arranged in the rear cavity, and the Angle Pin is installed On the wedge block, the wedge block is arranged in the front cavity, is provided with and the Angle Pin on the side slide block The oblique groove matched so that the wedge block to the side slide block compress when the side slide block inwardly compress the complexity The two sides of curved surface shell.

Preferably, the lateral compression component also includes spring, and the side slide block is provided with spring mounting hole, the bullet Spring is arranged in the spring mounting hole.

Preferably, the front cavity, the rear cavity and the side slide block are made of graphite material.

Preferably, the bottom of die is provided with aspirating hole in the rear, and the aspirating hole connects the upper surface of the rear cavity.

Compared with prior art, the beneficial effects of the utility model are：The utility model discloses one kind is complex-curved The bonding die of shell, using can multidirectional pressure bonding die, descend in realization direction welding structure part press while, It can also synchronously realize that side surface direction presses, meet the process requirements of curve part shaping+welding to hot bending；Can will be multiple Curve part after hot bending is handled and is surface-treated carries out splicing and fixes and carry out welding and prepare complicated song Face shell, the glass of complicated 3D curved surfaces, ceramic or sapphire shaping can be realized by bonding die of the present utility model, solution Determine the existing annular indent occurred when preparing complicated glass, ceramics or sapphire shell, big drop radian, multidirectional back-off knot The technical barrier that structure etc. can not be cleared off, printed, the preparation technology has that technique is simple, formed precision is high, economical and practical, operation letter List, high yield rate, production cost be low and the advantages of suitable scale of mass production, meet wearable product, ergonomics product, The glass of the complicated 3D concave inward structures of the 3C electronic products such as mobile electron, ceramic or sapphire shell structure part are even real when frivolous With the development trend of change.

In further scheme, heater can be set in each component of bonding die, during welding Using heat pressing process auxiliary shaping, solve between two pieces or more than one piece curve part caused by the hot bending scale error of preceding process The neat technical problem of welding dipped ring between curve part, realizes the high-quality welding between curve part, lifts product product Process yields are substantially improved while matter, production cost is reduce further；Further there is carbonization in bonding die Surface coating Silicon, tungsten carbide, silica or alundum (Al2O3) film layer, improve the stability of trimming, it is to avoid hot bending trimming Influence of the size fluctuation to fusion joining process, reduces the loss to curve part, improves the stability of fusion joining process.

Brief description of the drawings

Fig. 1 is the structural representation of three sheet materials of embodiment of the present utility model；

Fig. 2 is the structural representation of three curve parts after the hot bending of embodiment of the present utility model；

Fig. 3 is the deployed configuration schematic diagram of the bonding die of embodiment of the present utility model；

Fig. 4 is the structural representation of the shaping die component in Fig. 3；

Fig. 5 is the structural representation of lateral compression component in Fig. 3 and guidance set；

Fig. 6 is the assembling structure schematic diagram of the bonding die of embodiment of the present utility model；

Fig. 7 be embodiment of the present utility model bonding die to curve part carry out welding when schematic top plan view；

Fig. 8 is the schematic cross-section of the A-A in Fig. 7.

Embodiment

Below against accompanying drawing and with reference to preferred embodiment the utility model is described in further detail.

One embodiment of the present utility model discloses a kind of bonding die of complex-curved shell, including shaping die group Part and lateral compression component, lateral compression component are arranged on shaping die component internal, and wherein shaping die component includes preceding mould The structure in the relative face of Renhe rear cavity, front cavity and rear cavity is relative with the upper and lower surface structures of complex-curved shell respectively Should be to compress the upper and lower surface of complex-curved shell, lateral compression component is used for the side for compressing complex-curved shell.By this The bonding die of the complex-curved shell of the embodiment of utility model, it is possible to achieve prepare complex-curved shell, wherein preparing multiple The method of miscellaneous curved surface shell comprises the following steps：

S1：Three sheet materials are provided, by the difference hot bending processing of three sheet materials, formation can be spliced into the three of complex-curved shell Individual curve part, wherein the material of three sheet materials is the one or more in glass, ceramics and sapphire；

Three sheet materials 110,120,130 wherein provided be carry out sawing sheet cutting according to product requirement, it is bevelling, finishing impression, flat The semi-finished product that the processes such as mould are machined, as shown in figure 1, the thickness of sheet material is 0.4~5.0mm, or add according to product requirement Work to need thickness, but product thickness be less than 0.4mm when, the processing yield of product is low and following process is yielding or broken, Therefore thickness need to be as far as possible 0.4mm or more, with the yield of process after increase.

Three sheet materials are carried out respectively hot pressing processing obtain being spliced into three curve parts 11 of complex-curved shell, 12nd, 13, as shown in Fig. 2 being required according to different structure, precision needs to reach 0.05~0.30mm, wherein each different structure Curve part is completed by the multiple hot bending of corresponding many set graphite hot bending dies, and its hot bending size need to be controlled strictly, curved face part The structure of part is unrestricted, but face of weld or line need to design simple easily split as far as possible, facilitate following process.

S2：Surface Machining processing is carried out respectively to three curve parts；

According to product and technological requirement, the curve part after the completion of hot bending is cleared off, printed, the aided process such as bat printing Processing；It is pre- by the curve part to semi-finished product before the non-final molding of product is complicated indent back-off or ring-type concave inward structure The mode first processed, solve complex product can not clear off, print, bat printing the problem of, wherein related printing, the ink of bat printing process Deng raw material, it is necessary to high temperature resistant raw material.

S3：Three curve parts are spliced into the shape of complex-curved shell, and introduced details are carried out to stitching portion, are formed Complex-curved shell；

Three curve parts wherein are carried out into welding to carry out in bonding die 20, with reference to shown in Fig. 3 to Fig. 8, welding mould Tool 20 includes shaping die component 21, lateral compression component 22 and guidance set 23, and shaping die component 21 mainly rises and fixes three Individual curve part simultaneously plays shaping operation to the face of weld of three curve parts；Lateral compression component 22 plays the song to left and right directions Face component applies pressure effect, makes effectively be fused into an entirety, the main molding of guidance set 23 between each curve part The front and rear die position correction of benevolence component 21 and matched moulds guide effect.

Shaping die component 21 includes the relative face of front cavity 211 and rear cavity 212, front cavity 211 and rear cavity 212 The structure in (i.e. face 2111 and face 2121) is corresponding with the upper and lower surface structures of complex-curved shell to compress final products respectively Upper and lower surface, lateral compression component 22 be arranged on shaping die component 21 in, the two sides for compressing complex-curved shell； Location structure and suction fixed system provided with three curve parts in rear cavity 212 is (provided with pumping i.e. in rear cavity 212 Hole 2122, aspirating hole 2122 connects the upper surface of rear cavity 212), play three curve parts of positioning splicing and closely consolidate It is set for using, lifts the welding quality of mould.

Lateral compression component 22 includes side slide block 221, briquetting 222, wedge block 223, Angle Pin 224 and spring (in figure Do not show), briquetting 222 is arranged on the two ends of side slide block 221, and side slide block 221 and briquetting 222 are arranged in rear cavity 212, tiltedly Guide pillar 224 is arranged on wedge block 223, and wedge block 223 is arranged in front cavity 211, is provided with and is tiltedly led on side slide block 221 The oblique groove 2211 that post 224 matches, with can cause wedge block 223 to side slide block 221 compress when side slide block 221 it is inside Compress the two sides of complex-curved shell；Spring mounting hole 2212 is provided with wherein on side slide block 221, spring is arranged on spring In mounting hole 2212；In addition, heating bar can also be set inside side slide block 221, to lift shaping and fusion efficiency.In side Into compression assemblies 22, wedge block 223 is main lateral pressing structure, and lateral compression power is adjusted by the adaptation of mould, Various sizes of standard component can be made, extruding force is adjusted by changing pressure surface size；Angle Pin 224 is mainly risen along tiltedly recessed The direction of groove 2211 promotes the effect of the forward-reverse of side slide block 221；Spring is to provide main back pressure, wedge in the moment of die sinking Tight block 223 then its final main thrust.

Guidance set 23 includes many guide pillars 231 and many corresponding guide pin bushings 232, and many guide pillars 231 are separately mounted to In front cavity 211, many guide pin bushings 232 are separately mounted in rear cavity 212, to realize the position of front cavity 211 and rear cavity 212 Calibration and matched moulds are oriented to.

It is lateral in front cavity 211 and rear cavity 212 and lateral compression component 22 wherein in shaping die component 21 Sliding block 221 is made of graphite material, and carries out anti-oxidant painting to front cavity 211, rear cavity 212 and side slide block 221 respectively Layer process processing, contact of the isolation graphite parts with air is specific to use PVD technique for vacuum coating, under the high temperature conditions to each Individual graphite parts are handled, and discharge silicon and carbon using special gas, silicon and carbon are combined, so that graphite parts be wrapped up Come, form SiC protective layers, the SiC formed is firmly pasted onto on graphite parts, and uniform carbon is formed on graphite parts surface SiClx film layer, seal graphite parts surface stomata and and air exclusion, play it is anti-oxidant to graphite parts, wear-resisting, corrosion-resistant, Shock proof effect；In addition also can be using identical process in graphite parts surface formation tungsten carbide, silica or three Al 2 O film layer etc., similarly plays anti-oxidant to graphite parts, wear-resisting, corrosion-resistant, shock proof effect.Lateral compression group Other parts in part 22 are also required to high temperature resistant, to ensure the stability under high temperature.

As shown in fig. 6, after bonding die 20 is assembled, with reference to shown in Fig. 7 and Fig. 8, by bonding die 20 mounted in heat On bender device, and good three curve parts 11,12,13 of advance hot bending are inserted into welding mould according to product and technological requirement Welding is carried out in tool to process with shaping.First by good three curve parts 11,12,13 of advance hot bending in rear cavity 212 Upper surface 2121 on be spliced into the structure of complex-curved shell, and pass through the pumping that air extractor accesses the bottom of rear cavity 212 At interface 2123, the surface negative pressure of rear cavity 212 is played a part of by pumping and sucks the curve part 11,12,13 spliced, is prevented Only because the vibration that the factor such as collision is produced when place, machine, matched moulds in production process shifts product, or cause to weigh curved surface wounded The problem of part or reduction formed precision；Then bonding die 20 carries out pre- matched moulds, and passes through infrared heating device or electromagnetism Wave heating device, individually heats to the weld bond or face of weld part of three curve parts 11,12,13, is allowed to face of weld Be melt into can Fusion Strain, slowly close tight mould, because lateral compression component 21 is oblique wedging type structure, the top and bottom of product are first Three curve parts 11,12,13 are preferentially carried out shaping processing, are allowed to weld bond or the smooth alignment of face of weld by precompressed stress, complete The shape of paired three curve parts 11,12,13 and the processing of face of weld shaping correction；It is lateral in the slow matched moulds of bonding die Extruding force is slowly applying always, and when the final matched moulds of mould is completed, lateral compression power is eventually applied to position, the welding of product And lateral pressure is machined, keep stopping heating after heating certain time, product face of weld completes welding and is finally cooled to After stable state, welding processing is completed.Last mould molds and stops the suction condition of rear cavity 212, takes out final products complete Into the complex-curved shell of welding shaping.

In the embodiment of some preparation methods, the complex-curved shell being integrally formed is entered according to Product Process requirement , can because high temperature melting picks out existing printing surface damage at the process processing such as row follow-up polishing, reinforcing, plated film, the weld bond of such as product Amendment is reprinted by local, the manufacture of complex-curved shell is finally completed.

Wherein in the embodiment of above-mentioned preparation method, each curve part can use different materials, can also use Identical material, the i.e. sheet material from different materials carry out hot bending, and the wherein material of sheet material can be glass, ceramics or blue precious Stone, i.e., by the utility model embodiment can realize glass+ceramics, glass+sapphire, ceramics+sapphire, glass+ceramics+ Combination between sapphire, meets the demand of different product.

Example is applied by above-mentioned, can be met in the complexity such as complexity 3D curved surfaces mobile phone, wearable product, ergonomics product 3D The manufacturing process of recessed structural glass, and the complexity glass process matched therewith such as clear off, print needed for existing glass processing can be taken into account 3D bend glass shell production technologies and preparation method, with preparation technology is simple, formed precision is high, mould is durable in use, warp The characteristics of practical, simple to operate, high yield rate, its low production cost and suitable scale of mass production of helping, meet wearable product, people The complexity 3D concave inward structure glass shell structural members such as body engineering science product, mobile electron, 3C electronic products are even practical when frivolous The development trend of change；In addition, have further the advantage that：

1st, complicated 3D bend glasses hot bending+welding integral molding techniques are realized, are not limited by product structure, technique is applicable Property is wide；

2nd, complicated indent or inner ring form 3D bend glass structures, meeting wearable or ergonomics product needs Ask, realize integrated glass shell and its manufacturing process；

3rd, while real complicated glass shell manufacturing process, annular indent, big drop radian, multidirectional back-off are solved The technical barrier that structure can not be cleared off, printed；

4th, realize in addition to glass material housing, can also be required according to product function, selection glass, ceramics, sapphire material Combination between combination between matter, such as glass+ceramics, glass+sapphire, can meet the demand of different product function；

5th, can multidirectional pressure mould structure, can also be synchronously real while direction welding structure part pressure is descended in realization Existing left and right directions pressure, while realizing the multi-direction welding of many structural members, meets the demand of hot bending shaping+fusion joining process；

6th, using the hot bending shaping mould of antioxidant coating technique, the stability of trimming is improved, it is to avoid key Influence of the hot bending trimming size fluctuation to fusion joining process, reduce the loss to glass bending structural member, improve molten Connect the stability of technique；

7th, heat pressing process auxiliary shaping is utilized during welding, is solved between two pieces or more than one piece hot bending structural member because of preceding process Hot bending scale error, the technical problem for causing structural member welding dipped ring neat realizes the height between complicated 3D curved-surface structures part Quality fusion splices, are substantially improved process yields while lifting product quality, reduce further production cost；

8th, processing compatibility is strong, and existing plane or globoidal glass manufacturing process can be used directly in related supporting process, real While existing complicated abnormal shape 3D bend glasses processing, without changing or adding, new accessory processing equipment, reduces Productive statistics While evaded New technical use risk.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that specific implementation of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field For, without departing from the concept of the premise utility, some equivalent substitutes or obvious modification, and performance can also be made Or purposes is identical, protection domain of the present utility model should be all considered as belonging to.

Claims (10)

1. a kind of bonding die of complex-curved shell, it is characterised in that including shaping die component and lateral compression component, institute Lateral compression component is stated installed in the shaping die component internal, wherein shaping die component includes front cavity and rear cavity, The upper and lower surface structures phase of the structure in the relative face of the front cavity and the rear cavity respectively with the complex-curved shell Correspondence is to compress the upper and lower surface of the complex-curved shell, and the lateral compression component is used to compress the complex-curved shell Side.

2. the bonding die of complex-curved shell according to claim 1, it is characterised in that also including guidance set, institute Stating guidance set includes many guide pillars and many corresponding guide pin bushings, and many guide pillars are separately mounted in the front cavity, The many guide pin bushings are separately mounted in the rear cavity, wherein many guide pillars can be inserted respectively into many guide pin bushings It is interior.

3. the bonding die of complex-curved shell according to claim 1, it is characterised in that in the shaping die component And/or heater is provided with the lateral compression component.

4. the bonding die of complex-curved shell according to claim 1, it is characterised in that the shaping die component and The lateral compression component is made of graphite material.

5. the bonding die of complex-curved shell according to claim 4, it is characterised in that in the shaping die component There are carborundum, tungsten carbide, silica or alundum (Al2O3) film layer with the Surface coating of the lateral compression component.

6. the bonding die of complex-curved shell according to claim 1, it is characterised in that the lateral compression component is adopted With oblique wedging type structure.

7. the bonding die of complex-curved shell according to claim 6, it is characterised in that the lateral compression component bag Side slide block, wedge block, Angle Pin and briquetting are included, the briquetting is arranged on the two ends of the side slide block, the side slide block It is arranged on the briquetting in the rear cavity, the Angle Pin is arranged on the wedge block, the wedge block is arranged on institute State in front cavity, be provided with the side slide block and the oblique groove that matches of the Angle Pin, so that the wedge block is to institute State the two sides that side slide block when side slide block is compressed inwardly compresses the complex-curved shell.

8. the bonding die of complex-curved shell according to claim 7, it is characterised in that the lateral compression component is also Including spring, the side slide block is provided with spring mounting hole, and the spring is arranged in the spring mounting hole.

9. the bonding die of complex-curved shell according to claim 7, it is characterised in that the front cavity, it is described after Die and the side slide block are made of graphite material.

10. the bonding die of the complex-curved shell according to any one of claim 1 to 9, it is characterised in that in the rear The bottom of die is provided with aspirating hole, and the aspirating hole connects the upper surface of the rear cavity.