CN101604059A - Make the mould and the method thereof of digital miniature lens module - Google Patents
Make the mould and the method thereof of digital miniature lens module Download PDFInfo
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- CN101604059A CN101604059A CNA2008101110906A CN200810111090A CN101604059A CN 101604059 A CN101604059 A CN 101604059A CN A2008101110906 A CNA2008101110906 A CN A2008101110906A CN 200810111090 A CN200810111090 A CN 200810111090A CN 101604059 A CN101604059 A CN 101604059A
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Abstract
The present invention is a kind of mould and method thereof of making digital miniature lens module, it comprises that eyeglass and penetrates the pattern tool, described mould comprises one group of feature die and two dies, a platform will be established on the male model mediad, platform central authorities establish a square hole of running through male model, establish with support in that platform position square hole peripheral is upwards prominent, and cooperate a following die that is the square body of rod to insert from male model bottom central authorities, and the set support relative position of platform position square hole peripheral of following die top periphery and male model is also established with support, the master mold bottom surface then is arranged with one and cooperates to dash forward with the platform of male model and platform periphery and be the groove of a suitable spacing between the support of establishing, for forming a die cavity behind master mold and the male model matched moulds, master mold central authorities establish a perforation that runs through central authorities is inserted in for a upper cores; Make by above-mentioned composition, through injection of plastic, hardened plastic is at the eyeglass periphery, and die sinking can be taken out the digital miniature lens module that is made into integration.
Description
Technical field
The present invention relates to be a kind of casting mould and use the method that this mould carries out converted products.
Background technology
Along with science and technology is constantly progressive, the numberization product has been the development trend of future products, digital camera promptly is wherein a kind of, and people are pursuing the digital camera miniaturization simultaneously, require also constantly to promote with regard to its quality, sharpness etc. of desiring the shot object image, and the described quality that requires certain degree to depend on each optical module in digital camera, relative, the optical module manufacturing course promptly can influence its optical property, and the camera lens module manufacturer urgency that this emphasis promptly is a digital camera is being pursued and improved place.
And with regard to the camera lens module of general digital camera, the background technology that please refer in the application for a patent for invention prospectus of application for a patent for invention number 200410050876.3 lens module of digital camera manufacture methods cooperates its Fig. 1 described, its lens barrel 10 is cylindric, one end is semiclosed shape, its middle part offers circular entrance window 11, the other end is open fully, during encapsulation, with eyeglass 12, spaced ring 13 and eyeglass 14 are respectively from the lens barrel 10 wide-open ends lens barrel 10 of packing into successively, spaced ring 13 both sides contact with eyeglass 14 with eyeglass 12 respectively, it is in order to the distance of control eyeglass 12 with eyeglass 14, wherein, eyeglass 12, the edge of spaced ring 13 and eyeglass 14 all scribbles glue and lens barrel 10 is adhesively fixed.But described digital camera lens is owing to adopt the assembly type manufacture method, each partly tolerance and the assembling error of part easily cause producing problems such as eccentricity of glasses lens and eyeglass be crooked, thereby influence the optical property of this lens module of digital camera.In addition, when this lens module of digital camera carries out the reliability test, by the degasification phenomenon of eyeglass 12,14 and shading ring 13 and 10 glue that are adhesively fixed of lens barrel, make the opticator generation of eyeglass 12,14 dirty easily, and then influence the optical property of lens module of digital camera.
And the disadvantages that in manufacture process, is produced at the camera lens module of above-mentioned digital camera, described application for a patent for invention number 200410050876.3 lens module of digital camera manufacture methods are are further researched and developed as the embodiment in the prospectus and are cooperated as described in its Fig. 2 and Fig. 3, and its lens module of digital camera mainly is still and comprises lens barrel 20, eyeglass 22, shading ring 24 and eyeglass 26; And its lens barrel 20 is cylindric, and it is a plastic material, and accommodating fixing in the lens barrel 20 has eyeglass 22, shading ring 24 and eyeglass 26.Eyeglass 22 comprises optic 221 and substrate 222.Optic 221 is positioned at the middle part of substrate 222, and it is non-dome shape.Be equipped with locating slot 223 on the two sides of substrate 222, it is that the optical axis with optic 221 is the circle shape groove at center.Eyeglass 26 comprises optic 261 and substrate 262.Optic 261 is positioned at the middle part of substrate 262, and it is non-dome shape.Be equipped with locating slot 263 on the two sides of substrate 262, it is that the optical axis with optic 261 is the circle shape groove at center, and identical with locating slot 223 sizes.Shading ring 24 is to have a certain thickness annulus, and it is used in the distance of restriction eyeglass 22 and 26 on eyeglass, so that the optical effect of two eyeglasses after making up
Best is, shading ring 24 middle parts have a circular hole 241, and the diameter of described circular hole 241 is greater than the diameter of optic 221 with optic 241, makes shading ring 24 can not influence the optical performance of optic 221 and optic 241.Shading ring is equipped with projection 242 on 24 two ends, and it is that the central shaft with shading ring 24 is the annular protrusions at center, and matches with locating slot 263 with locating slot 223 and can engage with locating slot 263 with locating slot 223 in its position.Eyeglass 22,26 all adopts glass mirror, and shading ring 24 adopts hard material, all elastic deformation can not take place when being squeezed.
And then it is shown in Figure 3 with reference to it, the lens module of digital camera manufacture method of described invention may further comprise the steps: at first, eyeglass 22, shading ring 24 and eyeglass 26 are placed on the die 30 in the die cavity 401 of mould 40, and the projection 242 on shading ring 24 two sides engages with locating slot 223, locating slot 263 on eyeglass 26 and the surface of contact thereof with eyeglass 22 respectively, and die 30 engages with another locating slot 263 of eyeglass 26; Close die 40, make another die 30 compress eyeglass 22 and and 223 engagings of another locating slot, it is pressed on eyeglass 22, shading ring 24 with eyeglass 26, make eyeglass 22, spaced ring 24 and eyeglass 26 around tight the contact do not have the space.Wherein, the die cavity 401 of described mould 40 is cylindric, die 30 is round platforms of giving prominence at middle part, die cavity 401 two ends, its end face is provided with concave surface 301, described concave surface 301 is used in the optic 221 of ccontaining eyeglass 22 or the optic 261 of eyeglass 26, and its edge can fasten with the locating slot 223 of eyeglass 22 or the locating slot 263 of eyeglass 26.Injected plastic in the die cavity 401 of mould 40 promptly forms lens barrel 20 with plastics solidification then, can die sinking take out the made lens module of digital camera of learning after the cooling.So, foregoing invention number of patent application 200410050876.3 lens module of digital camera manufacture methods are read its described embodiment and graphic discovery through the applicant is detailed, still have major defect, even can't implement at all, the reasons are as follows:
By with the camera lens module of digital camera when completing, sharpness, object imaging quality that it provides the shot object image frame etc. largely depends on the optical module in the camera lens module, therefore, each part part of optical module the more, its issuable tolerance of institute just increases relatively, and make and in assembling, very easily cause eccentricity of glasses lens and eyeglass crooked as long as make mistakes slightly, cause lens light axis to be offset, have a strong impact on its optical property.
2. the camera lens module of described application for a patent for invention case is still and comprises lens barrel 20, eyeglass 22, shading ring 24 and eyeglass 26; Also promptly, must manage part combinations such as eyeglass 22, shading ring 24 and eyeglass 26 are accommodated as its background technology and be retained in the lens barrel 20, therefore, its each several part part still can produce indivedual tolerances and exist with the tolerance issues that produces because of assembling after assembling.
3. its eyeglass 22 comprises optic 221 and substrate 222, and optic 221 is positioned at substrate 222 middle parts, and it is non-dome shape, especially, its must be on the two sides of substrate 222 all the optical axis with optic 221 be that establish to be circular locating slot 223 at the center.Its eyeglass 26 comprises optic 261 and substrate 262, and its optic 261 is positioned at the middle part of substrate 262, is non-dome shape, on the two sides of its substrate 262 all the optical axis with optic 261 be that establish with rounded locating slot 263 at the center.Must be that establish with projection 242 at the center with the central shaft of shading ring on its shading ring 24 two ends, and must match with locating slot 263 and can engage with locating slot 263 with locating slot 223 in its position with locating slot 223.
Therefore, when desire with eyeglass 22, when shading ring 24 and eyeglass 26 are placed on above the die 30 in the die cavity 401 of mould 40, just the locating slot 263 that is located at eyeglass 26 bottom surfaces must be aligned the prominence that is fastened on die 30, shading ring 24 being positioned at bottom surface projection 242 aligns with another locating slot 263 of eyeglass 26 end faces and engages again, the locating slot 223 that another eyeglass 22 rings are located at the bottom surface aligns with shading ring 24 end face projections 242 and engages again, close die 40 then, make another die 30 compress eyeglass 22 and align and engage with another locating slot 223 that is positioned at its end face, whole during this time die 30 and the eyeglass 22 of making, eyeglass 22 and shading ring 24, shading ring 24 and eyeglass 26,30 of eyeglass 26 and another dies, at it each other in the relatively just engaging process of intercropping, original just little in the overall volume of the camera lens module of digital camera, relative its each eyeglass 22,26 or the thickness of shading ring 24 little, to on the two sides of eyeglass 22 and eyeglass 26, encircle respectively and establish with locating slot 223,263, establish with projection 242 with locating slot 263 places of matching at locating slot 223 on shading ring 24 two sides, it promptly is not easy at the precision that completes, cause its each eyeglass 22,26 align with shading ring 24 or die 30 intercropping and to engage poor accuracy, especially, as long as it has wherein one group should align engaging mutually when skew takes place to each other, to cause eyeglass 22,26 optical axis relativity shifts, and have a strong impact on its optical property.
4. be by eyeglass 22 because of it, many parts such as shading ring 24 and eyeglass 26 are formed down, the permissible tolerance that each part is produced when being to make, will be after described many parts be further done combination, cause the difficult control of integral thickness, make when eyeglass 22, shading ring 24 and eyeglass 26 are placed on the die 30 in the die cavity 401 of mould 40, after close die 40, another die 30 is compressed on the eyeglass 22, make eyeglass 22, on shading ring 24 and the eyeglass 26, the lower end is subjected to compressing of a die 30 respectively, and desire is with eyeglass 22, shading ring 24 is pressed on a time-out with eyeglass 26, eyeglass 22 easily takes place, eyeglass 2 is caused the product yield low by pressure break.
5. be located to provide on eyeglass 22 and eyeglass 26 two sides to do to cooperate with die 30 and align the locating slot 223 that engages with shading ring 24,263, because of being provided in a side of its substrate 222,262 places, make described locating slot 223,263 to eyeglass 22, the optic 221 at 26 middle parts of eyeglass, 261 outer peripheral edges positions, at eyeglass 22, shading ring 24 and eyeglass 26 are placed on the die 30 in the die cavity 401 of mould 40, close die 40, make another die 30 compress eyeglass 22, with eyeglass 22, shading ring 24 is pressed on eyeglass 26, injected plastic in the die cavity 401 of mould 40 then, plastics solidification is promptly formed lens barrel 20, cooling back die sinking and when making the camera lens module of digital camera, former eyeglass 22 end face locating slots 223 dies 30 that are pressed against are after die sinking is taken out, to form a logical light mouth at the described lens barrel that makes 20 end faces, described logical light mouth diameter can't effectively coat partly doing beyond the optical axis effective diameter of the optic 221 of eyeglass 22, cause the camera lens image parasitic light phenomenon that makes to solve, yield is low, can't produce at all.
Summary of the invention
Fundamental purpose of the present invention is, provides a kind of mould and method thereof of making digital miniature lens module, in order to overcome above-mentioned defective.
For achieving the above object, the technical scheme that the present invention at first adopts is, a kind of mould of making digital miniature lens module is provided, and it comprises:
One male model, its central authorities upwards establish a platform, establish a square hole of running through male model from described platform central authorities, are positioned at platform that described square hole peripheral is upwards prominent again establishes a plurality of supports;
Die once, it is a square body of rod, insert in the male model from bottom, described male model central authorities set square hole, the platform of described die end face periphery down and described male model is positioned at the set a plurality of support relative positions of square hole peripheral place, the prominent support of establishing equal number, described die end face central authorities down are positioned at pleurapophysis between the prominent support of establishing of end face periphery and establish a holder that is lower than support height;
One master mold, its bottom surface is arranged with a groove, in order to cooperate the platform of described male model, be a suitable spacing between the prominent plural support of establishing of itself and described platform periphery, its with described male model matched moulds after formation one die cavity, described master mold central authorities establish one runs through central perforation;
One upper cores, it inserts in the central set perforation of described master mold.
By above-mentioned composition, provide easily and the one-body molded eyeglass of combined type multilayer storehouse or aspherical lens periphery to be positioned male model platform support end face to locate with the space that following die end face forms, matched moulds also makes upper cores compress eyeglass, injection of plastic, hardened plastic is at single eyeglass periphery, and die sinking reaches can take out the digital miniature lens module that is made into integration.
A kind of method of making digital miniature lens module is provided at last, and it uses the mould of above-mentioned manufacturing digital miniature lens module, and it may further comprise the steps:
The mould of one eyeglass and a described manufacturing digital miniature lens module is provided, and the mould of described manufacturing digital miniature lens module comprises: a male model, once die, a master mold and a upper cores;
Described die is down inserted from bottom, described male model central authorities set square hole, make the set support of the end face periphery outside and the platform of male model be positioned at inboard applying of the set a plurality of supports of square hole peripheral, and make the set cradle top surface of platform position square hole peripheral of described male model and the described holder of die down form certain bit space;
The platform that described eyeglass directly is seated in described male model is positioned at the space, location that the holder of set cradle top surface of square hole peripheral and described die down forms;
With described male and female mould matched moulds, and with described upper cores from described master mold top, insert in the set perforation of master mold central authorities and be pressed against on the eyeglass;
Injection of plastic, and make plastics solidification outside described eyeglass;
Die sinking is also taken out digital miniature lens module.
The camera lens light hole size that the present invention makes can precisely be controlled, effectively all being coated outside the exposure diameter, except that providing image not produce the parasitic light phenomenon, the camera lens module production that can unitize in a large number, steady quality reduces cost, and improves the effect of product market competitiveness relatively.
Digital miniature lens of the present invention is to adopt the one-body molded lens structure of combined type multilayer storehouse, and its thickness is stable, and inserts cradle top surface that is positioned male model and the space that following die end face forms and locate, so eyeglass is difficult for producing by the pressure break problem.
The present invention can avoid taking place as the habit formula adopt by a plurality of eyeglasses and a plurality of shading ring forms and the warm glue of must doing, put action such as glue cause assemble time-consuming and inconvenient, and between each part in assembling process the inclination or the skew that may cause, and the error on integral thickness and the assembling location and bad when influencing follow-up each part assembling and finishing, and provide and can produce in a large number, reduce effects such as labour cost and spot gluing equipment expenditure.
Description of drawings
Fig. 1 is the digital miniature lens module three-dimensional appearance synoptic diagram of mould of the present invention and manufacture method manufacturing;
Fig. 2 is the three-dimensional appearance synoptic diagram of another angle of digital miniature lens module of mould of the present invention and manufacture method manufacturing;
Fig. 2-A is the three-dimensional diagrammatic cross-section of another angle of digital miniature lens module of mould of the present invention and manufacture method manufacturing;
Fig. 2-B1 to Fig. 2-B3 is three views according to another angle of digital miniature lens module of mould of the present invention and manufacture method manufacturing;
Fig. 3 is a mould perspective exploded view of the present invention;
Fig. 4 is the processing synoptic diagram of manufacture method of the present invention;
Fig. 5 is the processing synoptic diagram of manufacture method of the present invention;
Fig. 6 is the processing synoptic diagram of manufacture method of the present invention;
Fig. 7 is the processing synoptic diagram of manufacture method of the present invention;
Fig. 8 is the processing synoptic diagram of manufacture method of the present invention;
Fig. 9 is the processing synoptic diagram of manufacture method of the present invention;
Figure 10 is the processing synoptic diagram of manufacture method of the present invention.
Description of reference numerals: 5-lens barrel; The 6-eyeglass; The 7-male model; The 71-platform; 72-square hole; The 73-support; Die under the 8-; The 81-end face; The 82-support; The 83-holder; The 9-master mold; The 91-groove; The 92-die cavity; The 93-perforation; The 10-upper cores.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
Please refer to and cooperate shown in Fig. 1, Fig. 2, Fig. 2-A, Fig. 2-B1 to Fig. 2-B3, the present invention makes the camera lens module that the mould of digital miniature lens module processes and comprises a lens barrel 5 and an eyeglass 6.Wherein, lens barrel 5 is a plastic material, and for eyeglass 6 ccontaining fixing within it; And eyeglass 6 is an one-body molded eyeglass of combined type multilayer storehouse or an aspherical lens.
Please refer to shown in Figure 3ly, the mould that the present invention makes digital miniature lens module comprises a male model 7, once die 8, a master mold 9 and a upper cores 10; Wherein, male model 7, its central authorities upwards establish a platform 71, establish a square hole 72 of running through male model 7 from platform 71 central authorities, establish with a plurality of supports 73 in that 71 square hole 72 peripheries of platform are upwards prominent again.
Following die 8, it is a square body of rod, and can insert from 72 bottoms, male model 7 central set square holes, the also prominent support of establishing with equal number 82 of set a plurality of support 73 relative positions of 71 square hole 72 peripheries of the platform of its end face 81 peripheries and male model 7, its end face prominent 82 inboards of support of establishing of 81 a central authorities' end face 81 peripheries and the prominent holder 83 that is lower than support 82 height of establishing.
One upper cores 10 is to insert in the master mold 9 central set perforation 92 from master mold 9 tops.
Please refer to Fig. 4 to shown in Figure 10, manufacturing digital miniature lens module method of the present invention, its manufacture method may further comprise the steps: at first, to descend die 8 to insert from 72 bottoms, male model 7 central set square holes, make set several supports 73 inboard applyings of 71 square hole 72 peripheries of platform of end face 81 peripheries set support 82 outsides and male model 7, and make set support 73 end faces of 71 square hole 72 peripheries of platform of male model 7 and the space of holder 83 formation of following die 8 locate (as shown in Figure 5), promptly and easily provide and be positioned in it being single eyeglass 6 peripheries, make master mold 9 and male model 7 closures then, upper cores 10 inserted from master mold 9 tops in the master mold 9 central set perforation 92 be pressed against on eyeglass 6 end faces, injected plastic in the die cavity 92 that behind master mold 9 and male model 7 matched moulds, forms then, plastics solidification is promptly formed lens barrel 5, can die sinking after the cooling take out and make a digital miniature lens module.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (3)
1. mould of making digital miniature lens module, it is characterized in that: it comprises:
One male model, its central authorities upwards establish a platform, establish a square hole of running through male model from described platform central authorities, are positioned at platform that described square hole peripheral is upwards prominent again establishes a plurality of supports;
Die once, it is a square body of rod, insert in the male model from bottom, described male model central authorities set square hole, the platform of described die end face periphery down and described male model is positioned at the set a plurality of support relative positions of square hole peripheral place, the prominent support of establishing equal number, described die end face central authorities down are positioned at pleurapophysis between the prominent support of establishing of end face periphery and establish a holder that is lower than support height;
One master mold, its bottom surface is arranged with a groove, in order to cooperate the platform of described male model, be a suitable spacing between the prominent plural support of establishing of itself and described platform periphery, its with described male model matched moulds after formation one die cavity, described master mold central authorities establish one runs through central perforation;
One upper cores, it inserts in the central set perforation of described master mold.
2. method of making digital miniature lens module, the mould that it uses above-mentioned manufacturing digital miniature lens module is characterized in that: may further comprise the steps:
The mould of one eyeglass and a described manufacturing digital miniature lens module is provided, and the mould of described manufacturing digital miniature lens module comprises: a male model, once die, a master mold and a upper cores;
Described die is down inserted from bottom, described male model central authorities set square hole, make the set support of the end face periphery outside and the platform of male model be positioned at inboard applying of the set a plurality of supports of square hole peripheral, and make the set cradle top surface of platform position square hole peripheral of described male model and the described holder of die down form certain bit space;
The platform that described eyeglass directly is seated in described male model is positioned at the space, location that the holder of set cradle top surface of square hole peripheral and described die down forms;
With described male and female mould matched moulds, and with described upper cores from described master mold top, insert in the set perforation of master mold central authorities and be pressed against on the eyeglass;
Injection of plastic, and make plastics solidification outside described eyeglass;
Die sinking is also taken out digital miniature lens module.
3. according to the described manufacturing digital miniature lens module of claim 2 method, it is characterized in that: described eyeglass is one-body molded eyeglass of combined type multilayer storehouse or aspherical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101110906A CN101604059A (en) | 2008-06-13 | 2008-06-13 | Make the mould and the method thereof of digital miniature lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101110906A CN101604059A (en) | 2008-06-13 | 2008-06-13 | Make the mould and the method thereof of digital miniature lens module |
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| CN101604059A true CN101604059A (en) | 2009-12-16 |
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| CNA2008101110906A Pending CN101604059A (en) | 2008-06-13 | 2008-06-13 | Make the mould and the method thereof of digital miniature lens module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI759110B (en) * | 2019-12-18 | 2022-03-21 | 王鼎瑞 | Assembly module and assembly equipment and application method of assembly module |
-
2008
- 2008-06-13 CN CNA2008101110906A patent/CN101604059A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI759110B (en) * | 2019-12-18 | 2022-03-21 | 王鼎瑞 | Assembly module and assembly equipment and application method of assembly module |
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