CN208720832U - The reaction sintering silicon carbide ceramic of mobile phone glass screen mold holds buck - Google Patents

Abstract

The utility model discloses a kind of reaction sintering silicon carbide ceramics of mobile phone glass screen mold to hold buck, former for support mould, it includes two supporting beams being oppositely arranged and muti-piece reaction sintering silicon carbide ceramic liner plate that reaction sintering silicon carbide ceramic, which holds buck, supporting beam is hollow tubular structure and is fixedly arranged in kiln, the support face of support reaction sintering silicon carbide ceramic liner plate is provided at the top of supporting beam, the top outer edge of supporting beam is provided with limit edge strip, reaction sintering silicon carbide ceramic liner plate is placed on the support face of two supporting beams, muti-piece reaction sintering silicon carbide ceramic liner plate is sequentially arranged along the extending direction of supporting beam, reaction sintering silicon carbide ceramic liner plate top surface is provided with the groove being slidably matched with former, multiple grooves successively come the track for being formed together former sliding.The advantages of reaction sintering silicon carbide ceramic holds buck with high temperature resistant, wear-resistant, and intensity is high, is pressurized is unlikely to deform under high temperature environment, long service life, and easy to repair, save the cost.

Description

The reaction sintering silicon carbide ceramic of mobile phone glass screen mold holds buck

Technical field

The utility model relates to a kind of mobile phone glass screen production equipment technologies, more particularly to one kind is for carrying production The reaction sintering silicon carbide ceramic of mobile phone glass screen mold holds buck.

Background technique

As the crystallization of modern science and technology, smart phone increasingly be unable to do without our life, the glass as handset viewing window Screen is also from planar development to curved surface.The production method of traditional 2D and 2.5D glass protecting screen products is to carry out glass substrate The product of various specifications model is made after processing by finishing impression, unthreaded hole, polishing, reinforcing, silk-screen, plated film etc. in cutting.3D curved surface The production procedure of glass and 2D and 2.5D product are essentially identical, and maximum difference is that 3D glass need to be using hot bending process, polishing, silk The techniques such as print then need to carry out on glass upon bending.The hot bending shape equipment used in hot bending process is usually thermoforming furnace, The mold of production mobile phone 3D bend glass screen is usually graphite material, and mobile phone glass screen mold includes formpiston and former, yin Mould is placed on to hold and be pushed ahead on buck by carry mechanism, into the heating zone of kiln, to which former is advanced to position among kiln When assigned temperature area, formpiston is pressed downward, and after reaching specified pressure, formpiston promotion is withdrawn, and former continues to push ahead, and is entered The cooling area of kiln, completes the process.It is to work in the environment of high temperature, and need to bear pressure at high temperature due to holding buck It is indeformable, buck is held made of common high temperature resistant steel plate and is under pressure under high temperature environment easily-deformable, is unable to satisfy needs.

Utility model content

To overcome above-mentioned the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a kind of mobile phone glass The reaction sintering silicon carbide ceramic of glass screen mold holds buck, this holds buck with high temperature resistant, wear-resistant, and intensity is high, in high temperature ring Be pressurized the advantages of being unlikely to deform, long service life, and easy to repair, save the cost under border.

In order to solve the above technical problems, the utility model uses following technical scheme:

A kind of reaction sintering silicon carbide ceramic of mobile phone glass screen mold holds buck, is set to mobile phone glass screen shaping kiln In, the former for support molding die, which is characterized in that the reaction sintering silicon carbide ceramic holds buck and sets relatively including two The supporting beam and muti-piece reaction sintering silicon carbide ceramic liner plate, the supporting beam set are fixedly arranged in the kiln, the supporting beam For hollow tubular structure, the support face of reaction sintering silicon carbide ceramic liner plate described in support, institute are provided at the top of the supporting beam The top outer edge for stating supporting beam is provided with limit edge strip, the extending direction of the limit edge strip and the extension of the supporting beam Direction is consistent, and the reaction sintering silicon carbide ceramic liner plate is placed on the support face of two supporting beams, reacts and burns described in muti-piece Knot silicon carbide ceramics liner plate be sequentially arranged along the extending direction of the supporting beam, silicon carbide ceramics liner plate top surface be provided with The groove of the groove that the former is slidably matched, reaction sintering silicon carbide ceramic liner plate described in muti-piece successively comes shape together The track slided at the former.

Preferably, the supporting beam is hollow rhs-structure.

Preferably, the depth of the groove of every block of reaction sintering silicon carbide ceramic liner plate is different, along the shifting of former Dynamic direction, the depth of the groove of the reaction sintering silicon carbide ceramic liner plate are sequentially arranged from shallow to deep.

After above-mentioned technical proposal, the beneficial effects of the utility model are:

Reaction sintering silicon carbide ceramic liner plate is arranged to muti-piece, is placed on the support face of two supporting beams, individual anti- It answers sintered silicon carbide ceramics liner plate when something goes wrong, is conveniently replaceable, react burning silicon carbide ceramics without integral replacing and hold buck, energy Enough save maintenance cost.Reaction sintering silicon carbide ceramic liner plate top surface is provided with the groove being slidably matched with former, muti-piece reaction The groove of sintered silicon carbide ceramics liner plate successively comes the track for being formed together former sliding, which holds Buck provides guiding role for the sliding of former.

It is excellent that reaction sintering silicon carbide ceramic material itself has that high temperature resistant, wear-resistant, elevated temperature strength is big, thermal stability is good etc. Point has high temperature resistant, wear-resistant, intensity height, in hot environment using buck is held made of reaction sintering silicon carbide ceramic equally The lower on-deformable good characteristic that is pressurized, therefore, long service life effectively reduces the production cost of application field.

Detailed description of the invention

Fig. 1 is that the reaction sintering silicon carbide ceramic of the utility model mobile phone glass screen mold holds the structural schematic diagram of buck；

Fig. 2 is that the reaction sintering silicon carbide ceramic of the utility model mobile phone glass screen mold in Fig. 1 holds the top view of buck；

Fig. 3 is that the reaction sintering silicon carbide ceramic of the utility model mobile phone glass screen mold in Fig. 1 holds the three-dimensional knot of buck Structure schematic diagram；

Fig. 4 is that the reaction sintering silicon carbide ceramic of the utility model mobile phone glass screen mold in Fig. 2 holds and cuts open at buck A-A Depending on structural schematic diagram；

Fig. 5 is that the former of mobile phone glass screen mold is held on buck in the reaction sintering silicon carbide ceramic of mobile phone glass screen mold Reference view；

In figure: 1- reaction sintering silicon carbide ceramic holds buck, 11- supporting beam, 111- support face, 112- limit edge strip, 12- Reaction sintering silicon carbide ceramic liner plate, 12a- reaction sintering silicon carbide ceramic liner plate, 12b- reaction sintering silicon carbide ceramic liner plate, 12c- reaction sintering silicon carbide ceramic liner plate, 12d- reaction sintering silicon carbide ceramic liner plate, 12e- reaction sintering silicon carbide ceramic Liner plate, 12f- reaction sintering silicon carbide ceramic liner plate, 121- groove, (Ha, Hb, Hc, Hd, He, Hf)-depth of groove, W- former Mobile direction, 2- former.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and examples.

During producing mobile phone bend glass screen, the hot bending shape of mobile phone bend glass screen is completed in stove , the former 2 for producing the mold of mobile phone glass screen, which need to be placed on to hold, is pushed ahead on buck 1 by carry mechanism, into the liter of kiln Warm area, when former 2 to be advanced to position assigned temperature area among kiln, the formpiston of mold is pressed downward, and reaches specified pressure Afterwards, formpiston promotion is withdrawn, and the former 2 of mold continues to push ahead, and into the cooling area of kiln, completes the process.

As Fig. 1 to Fig. 5 jointly shown in, the reaction sintering silicon carbide ceramic of the utility model holds buck 1, is set to mobile phone glass Glass screen forms in kiln (not shown), and for the former 2 of support molding die, reaction sintering silicon carbide ceramic holds buck 1 includes two supporting beams 11 being oppositely arranged and muti-piece reaction sintering silicon carbide ceramic liner plate 12, and supporting beam 11 is fixed in kiln, Supporting beam 11 is hollow tubular structure, and the top of supporting beam 11 is provided with the support face of support reaction sintering silicon carbide ceramic liner plate 111, the top outer edge of supporting beam is provided with limit edge strip 112, limits the extending direction and supporting beam 111 of edge strip 112 Extending direction is consistent, and reaction sintering silicon carbide ceramic liner plate 12 is placed on the support face 111 of two supporting beams 11, muti-piece reaction-sintered Silicon carbide ceramics liner plate 12 is sequentially arranged along the extending direction of supporting beam 11, the setting of 12 top surface of reaction sintering silicon carbide ceramic liner plate There is the groove 121 being slidably matched with former 2, the groove 121 of muti-piece reaction sintering silicon carbide ceramic liner plate 12 is successively close together Form the track that former 2 slides.

Specifically, supporting beam is hollow rhs-structure.As shown in figure 3, reaction sintering silicon carbide ceramic liner plate 12 is set On the support face 111 of supporting beam, it is convenient in the damage of individual liner plates, it is easily disassembled, it is conveniently replaceable, saves maintenance cost.It will Reaction sintering silicon carbide ceramic liner plate 12 is arranged to muti-piece, individual reaction sintering silicon carbide ceramic liner plates 12 when something goes wrong, Hold buck 1 without integral replacing, only need to change the reaction sintering silicon carbide ceramic liner plate 12 of individual defects, can save maintenance at This.

The depth of the groove 121 of every deblocking reaction sintered silicon carbide ceramics liner plate 12 is different in the present embodiment, along the shifting of former Dynamic direction W, the depth of the groove 121 of reaction sintering silicon carbide ceramic liner plate 12 are sequentially arranged from shallow to deep.As shown in figure 4, anti- The depth of groove for answering sintered silicon carbide ceramics liner plate 12a is Ha, and the depth of groove of reaction sintering silicon carbide ceramic liner plate 12b is The depth of groove of Hb, reaction sintering silicon carbide ceramic liner plate 12c are Hc, and the groove of reaction sintering silicon carbide ceramic liner plate 12d is deep Degree is Hd, and the depth of groove of reaction sintering silicon carbide ceramic liner plate 12e is He, and reaction sintering silicon carbide ceramic liner plate 12f's is recessed Groove depth is Hf, and W is the mobile direction of former, as can be seen from the figure Ha < Hb < Hc < Hd < He < Hf, along the direction W, reaction-sintered The depth of the groove 121 of silicon carbide ceramics liner plate 12 is sequentially arranged from shallow to deep.Buck is held to be using the reason of this structure The orbital plane for avoiding the occurrence of the front reaction sintering silicon carbide ceramic liner plate 12 (along the direction W) is made pottery higher than later reaction sintered silicon carbon The case where orbital plane of ceramic liner plate 12, as the orbital plane of reaction sintering silicon carbide ceramic liner plate 12b is higher than silicon carbide reaction-sintered The orbital plane of ceramic lining plate 12a will cause former 2 at this time and occur climbing step phenomenon when promoting on the track that groove is formed, no It is pushed ahead conducive to former 2.Therefore, the depth of the groove of reaction sintering silicon carbide ceramic liner plate 12 is fired by different sizes, And by the reaction sintering silicon carbide ceramic liner plate 12 baked on the direction that former 2 advances, by the depth of groove 121 by shallow It is sequentially arranged to depth along supporting beam 11.

Reaction sintering silicon carbide ceramic material itself has the spies such as high temperature resistant, wear-resistant, elevated temperature strength is big, thermal stability is good Point, the utility model have high temperature resistant, wear-resistant, elevated temperature strength using holding buck made of reaction sintering silicon carbide ceramic equally Big good characteristic, when can bear mobile phone glass screen mold well and combining under high temperature environment, pressure that formpiston is pressed downward Power, and be unlikely to deform.

The technical solution of the utility model is explained in detail above in conjunction with attached drawing, but the utility model is not limited to Above-described embodiment, it will be appreciated by those skilled in the art that the various changes made in the form and details to it are equal It falls in protection scope defined by the utility model claims book.

Claims (3)

1. a kind of reaction sintering silicon carbide ceramic of mobile phone glass screen mold holds buck, it is set to mobile phone glass screen shaping kiln In, the former for support molding die, it is characterised in that:

It includes two supporting beams being oppositely arranged and muti-piece that the reaction sintering silicon carbide ceramic of the mobile phone glass screen mold, which holds buck, Reaction sintering silicon carbide ceramic liner plate, the supporting beam are fixedly arranged in the kiln, and the supporting beam is hollow tubular structure, described The support face of reaction sintering silicon carbide ceramic liner plate described in support, the top outer of the supporting beam are provided at the top of supporting beam Edge is provided with limit edge strip, and the extending direction of the limit edge strip is consistent with the extending direction of the supporting beam, the reaction Sintered silicon carbide ceramics liner plate is placed on the support face of two supporting beams, reaction sintering silicon carbide ceramic liner plate edge described in muti-piece The extending direction of the supporting beam is sequentially arranged, and reaction sintering silicon carbide ceramic liner plate top surface is provided with sliding with the former The groove of cooperation is moved, the groove of reaction sintering silicon carbide ceramic liner plate described in muti-piece, which successively comes, is formed together the former The track of sliding.

2. the reaction sintering silicon carbide ceramic of mobile phone glass screen mold as described in claim 1 holds buck, which is characterized in that institute Stating supporting beam is hollow rhs-structure.

3. the reaction sintering silicon carbide ceramic of mobile phone glass screen mold as described in claim 1 holds buck, which is characterized in that every The depth of the groove of reaction sintering silicon carbide ceramic liner plate described in block is different, and along the moving direction of former, the reaction is burnt The depth for tying the groove of silicon carbide ceramics liner plate is sequentially arranged from shallow to deep.