CN1843743A - Optical disk substrate forming die and mirror surface plate of optical disk substrate forming die - Google Patents
Optical disk substrate forming die and mirror surface plate of optical disk substrate forming die Download PDFInfo
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- CN1843743A CN1843743A CN 200510135585 CN200510135585A CN1843743A CN 1843743 A CN1843743 A CN 1843743A CN 200510135585 CN200510135585 CN 200510135585 CN 200510135585 A CN200510135585 A CN 200510135585A CN 1843743 A CN1843743 A CN 1843743A
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- cooling medium
- medium runner
- cavity
- mirror board
- substrate forming
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Abstract
The invention provides a method for making a mirror surface plate in front of a large inlet hole and a large outlet hole slightly concave when a cavity is injected and filled with molten resin when the large inlet hole and the large outlet hole are arranged at a part opposite to a signal surface of a bottom plate printer, so as to solve the problem that the signal surface of an optical disk substrate cannot be copied and molded well. In the technical aspect, a mirror surface plate (14) cooling medium flow passage (19) of a molding die (11) for forming a disc substrate is formed by a plurality of systems, and (6) to (10) cooling medium flow passages (19a, 19b) at the cavity end are arranged in alignment with the radiation direction, and (1) to (2) cooling medium flow passages (19e) at the outer peripheral end are arranged in alignment with the outer end radiation direction, and the cooling medium flow passages (19e) at the outer peripheral end are connected to cooling medium flow passages (13c, 12b) outside the mirror surface plate.
Description
Technical field
Used optical disc substrate forming mould and mirror board thereof when the present invention relates to a kind of injection molding record data message special-purpose cd substrate.
Background technology
Used optical disc substrate forming mould during the injection molding optic disc base board, each is provided with on the opposed faces of fixed mould and moveable die, directly or with printer (or claiming molding press) to form the mirror board that cavity forms face.Next, then form on the aforementioned mirror board in order to cooling penetrating the cooling medium runner of filling molten resin in the cavity.
Set cooling medium runner on the mirror board of known optical disc substrate forming mould is then as described in the patent documentation 1.Patent documentation 1 described optical disc substrate forming mould mirror board is to cool off Media Stream on equidirectional, is provided with the scroll cooling medium runner group that is constituted in abutting connection with several cooling medium runners.Next, mirror board cooling medium runner is supplied with and is discharged base plate (back plate) entrance hole and the tap of cooling medium, then be provided with in response to 2 cooling medium runners, and an entrance hole and the tap that bore is bigger then has or not the part of base plate on the formed wall portion back side between the aforementioned cooling medium runner.
But the base plate entrance hole and the tap of above-mentioned patent documentation 1 are arranged at the opposed part of printer signal face, have following problem; In other words, when being filled in the molten resin ejaculation in the cavity, the mirror board of the front of aforementioned entrance hole and tap part is set, can be a little concavity because of resin pressure, on the optic disc base board signal face of this part, just can't form good duplicating and be shaped thus.Yet the present invention does not reduce the cooling velocity of formed products, and the optical disc substrate forming mould of carrying out good duplicating shaping can be provided, and the optical disc substrate forming mould mirror board.
Patent documentation 1: the spy opens 2004-155070 communique (claim 1, Fig. 1, Fig. 2)
Summary of the invention
The present invention's optical disc substrate forming mould as claimed in claim 1, it is characterized in that: interactive and form on the opposed faces of the fixed mould of cavity and moveable die when matched moulds, install on the optical disc substrate forming mould of mirror board, the cooling medium runner that has at least an end to be arranged at mirror board is made of several systems, wherein comprised and aimed at the radiation direction to form 6 to 10, and the cavity end that is arranged at mirror board cavity formation face inner face cools off the medium runner, reach with cavity end cooling medium runner and be connected, and aim at the radiation direction to form 1 to 2 outer circumference end cooling medium runner that is arranged at mirror board cavity formation face outer end portion inner face, outer circumference end cooling medium runner then is connected in the cooling medium runner of mirror board outside.
As the described optical disc substrate forming mould of claim 2 of the present invention, it is characterized in that:, be more than half parts from cooling off Media Stream toward 2 cooling medium runners of same circumference direction, constituting according to the described cavity end cooling of claim 1 medium runner.
As the described optical disc substrate forming mould of claim 3 of the present invention, it is characterized in that: according to the described cavity end cooling of claim 1 medium runner radiation direction wide cut is 2.5 millimeters to 4.5 millimeters, and the mirror board thickness of slab between this cavity end cooling medium runner bottom and the cavity formation face is 3.5 millimeters to 6.0 millimeters.
Mirror board as the described optical disc substrate forming mould of claim 4 of the present invention, it is characterized in that: interactive and form at least one the opposed faces of the fixed mould of cavity and moveable die when being installed in matched moulds, on the optical disc substrate forming mould mirror board that is provided with cooling medium runner, then to comprising aligning radiation direction to form 6 and even 10 by what several systems constituted, and the cavity end that is arranged at mirror board cavity formation face inner face cools off the medium runner, reach with cavity end cooling medium runner and be connected, and aim at the radiation direction and be arranged at the mirror board cavity and form face outer end portion inner face, and be connected in the cooling medium runner of week end cooling medium runner outside the mirror board external refrigeration medium runner to form 1 and even 2.
Mirror board as the described optical disc substrate forming mould of claim 5 of the present invention is characterized in that: according to the cavity end cooling medium runner of claim 4, be more than half parts from cooling off Media Stream toward 2 cooling medium runners of same circumference direction, constituting.
Mirror board as the described optical disc substrate forming mould of claim 6 of the present invention, it is characterized in that: the radiation direction wide cut according to the cavity end of claim 4 cooling medium runner is 2.5 millimeters to 4.5 millimeters, cavity end cooling medium runner bottom, and cavity formation face between mirror board be 3.5 millimeters to 6.0 millimeters.
Comprised as optical disc substrate forming mould of the present invention and this mirror board, be arranged on the cooling medium runner of at least one mirror board of fixed mould and moveable die, the aligning that several systems constituted is radiated direction to form 6 to 10, and the cavity end that is arranged at mirror board cavity formation face inner face cools off the medium runner, reach with cavity end cooling medium runner and be connected, and aim at the radiation direction to form 1 to 2 outer circumference end cooling medium runner that is arranged at mirror board cavity formation face outer end portion inner face, because the entrance hole or the tap of heavy caliber cooling medium, be not arranged at the mirror board cavity and form face inner face end, so can on optic disc base board, carry out good duplicating.In addition, cavity end cooling medium runner is made of several systems, so can promote cooling effectiveness.
Description of drawings
The optical disc substrate forming mould profile of this example of Fig. 1.
Fig. 2 watches the mirror board plane on the moveable die of optical disc substrate forming mould of this example from the installed surface end.
The specific embodiment
In order more specifically to present content of the present invention,, elaborate at enforcement kenel of the present invention below with reference to graphic.
Below see also Fig. 1, Fig. 2 with explanation the invention process form.Fig. 1 is the optical disc substrate forming mould profile of this example.Fig. 2 is the mirror board plane on the optical disc substrate forming mould moveable die of watching this example from the installed surface end.
The moveable die 11 that Fig. 1 discloses is positioned at left end, and is installed on the movable plate that is not disclosed in graphic emission forming machine, and 21 of fixed moulds are positioned at right-hand member, and is installed on and is not disclosed on the graphic fixed disk.Next, moveable die 11 and fixed mould 21 are to produce interactive when matched moulds and the formation cavity C.Next, can penetrate the filling molten resin by never being disclosed in graphic ejecting device, and on aforementioned cavity C, obtain optic disc base board.
Disclosing moveable die 11 as can be known by Fig. 1 has possessed and has seen through the base plate 13 that installing plate is installed on the die main body portion 12 of movable plate and is installed on die main body portion 12.Next, bolting mirror board 14 is then used in aforementioned base plate 13 fronts of the opposed faces of fixed mould 21.Base plate 13 and mirror board 14 belong to the regulation thickness of slab disc-shaped component that has central opening separately.Next, the cavity of mirror board 14 forms on the optic disc base board of face 14a (surface) formed thereby, and the printer 15 (stamper) in order to duplicate then has been installed.Next, the central opening of aforementioned base plate 13 and mirror board 14 has set the interior all printer supporting seats 16 that support Zhou Duan in the aforementioned printer 15 and injection sheath 17 etc.Moreover mirror board 14 peripheral parts have set the periphery printer supporting seat 18 that supports aforementioned printer 15 outer circumference end.
Fig. 2 expresses inner face (installed surface) 14b of mirror board 14.The purpose of the inner face 14b of the mirror board 14 that is in contact with one another with base plate 13 is, the optic disc base board cooling curing that promotes to be shaped, shortens cycle period, and the cooling medium runner 19 that spiral groove constituted of setting from several systems arranged.Next, 19 of aforementioned cooling medium runners are by mirror board 14 is fitted in base plate 13 to form tubulose.Cooling medium runner 19 has comprised, mirror board 14 cavitys form the set cavity end cooling medium runner 19a of inner face 14b of face 14a, 19b, and form face 14a, and be arranged at the outer circumference end cooling medium runner 19e of face 14b within the outer end portion 14c from the cavity of mirror board 14.
To cavity end cooling medium runner 19a, 19b supplies with the cooling medium, be from the cooling medium feedway of mould outside (disclosing), the die main body portion 12 that constitutes mirror board external refrigeration medium runner cools off medium runner 12a, reaches through connecting several through holes (entrance hole) 13a and the 13b that are arranged at base plate 13 and carried out.Moreover, the through hole 13a and the 13b of base plate 13, the cavity formation face 14a that is arranged at mirror board 14 is on the opposed position.On the formed wall 14d of portion between mirror board 14 cooling medium runner 19a and the 19b, be opposed base plate 13 and do not form through hole, and allow each face be in contact with one another.
On the other hand, the inner face 14b of mirror board 14, when mirror board 14 is installed on base plate 13, in order to be opposed with aforementioned through-hole 13a, 13b, and cooling medium runner 19a, 19b be set play end 19c, 19d.Base plate 13 through hole 13a in this example, 13b bore, consistent each other with cavity end cooling medium runner 19a, 19b wide cut, connected in the mode of a through hole in response to a runner.The cooling medium runner 19a that sees through through hole 13a and connect, be from being opposite to the part that printer 15 duplicates face, to start at the part that is opposite to interior Zhou Duan (from the inner that Fig. 2 ~ point-like chain line A begins) from interior Zhou Duan is considered as week holding runner in the 1st, and there is 1 week approximately, next direction is changed 180 ° with towards the outer end flexing, start at from interior Zhou Duan again and be considered as the 2nd, the 4th, the 6th runner, and support continuous flexing outwardly to form helical form.
In addition, see through the cooling medium runner 19b that through hole 13b is connected, then, start at the 3rd, the 5th, the 7th runner, then on some, support continuous flexing outwardly to form helical form from interior Zhou Duan with the more than half parts of the parallel formation of cooling medium runner 19a.Therefore cool off medium runner 19a, 19b, just form two cooling medium runners in other system of the mobile cooling of same circumference direction medium.Moreover, among aforementioned cavity end cooling medium runner 19a, the 19b, start at the 2nd and even the 7th runner from interior Zhou Duan, then form and Fig. 2 discloses point-like chain locking wire A and puts printer 15 signal faces represented between the locking wire B and be opposed part.Next, start at the 6th and the 7th cavity end cooling medium runner 19a, 19b from interior Zhou Duan, more towards the outer end flexing, and be connected to from cavity and form face 14a, be formed at the outer circumference end cooling medium runner 19e (starting at the 8th runner) of outer end portion 14c inner face 14b from interior Zhou Duan.
Moreover, the mirror board 14 in this example, forming the thickness of slab that face 14a plays till the inner face 14b from cavity is 20mm.In addition, cavity end cooling medium runner 19a, the 19b wide cut that is formed at mirror board 14 respectively is 3.5mm; Begin respectively to be 5mm from cooling medium runner 19a, 19b bottom to the distance (thickness of slab) that cavity forms till the face 14a.Moreover aforementioned cavity end cooling medium runner wide cut is 2.5mm to 4.5mm; Beginning the distance (thickness of slab) till the cavity formation face from cavity end cooling medium runner bottom, is the best with 3.5mm to 6mm then.But the part that exception also can be arranged on some.Therefore be on the opposed base plate on printer signal face, when forming cooling medium through hole, aforementioned through-hole bore fits best cavity end cools off medium runner wide cut and is 2.5mm to 4.5mm.
Next, cavity end cooling medium runner 19a, 19b are made of plural system, because the length of cooling medium runner is lower than certain distance, therefore except flowing into a large amount of cooling medium when improving cooling effectiveness, also can allow cooling medium flow channel length be lower than certain distance, to reduce the temperature difference of origin or beginning and terminal cooling medium.Moreover cavity end cooling medium flow passage system is then with two system and even four system's the bests, and the best alignment mirror panel radiation of these cooling medium runners direction is 6 to 10.Moreover, be preferably 7 to 8.In addition, though cavity end cooling medium runner forms helical form, some also flexible 180 ° or interflow or shunting on the way.Next, play the end and then be formed at interior all end runners, also can connect on the opposed base plate through hole is set.Moreover, play the inner peripheral surface that the end also can be formed at the mirror board central opening, this moment, through hole was not arranged on the base plate by perforation.
Outer circumference end cooling medium runner 19e aspect, then with aforementioned in the Zhou Duan outer end of starting at No. 7 cavity end cooling medium runner 19b be provided with about 1 week, and finish in terminal part 19f.Next, when mirror board 14 is installed on base plate 13, on the opposed base plate 13 of the 19f of aforementioned terminals portion, then connects and be provided with cooling medium through holes (tap) 13c.Base plate 13 through hole 13c footpath in this example, consistent each other with outer circumference end cooling medium runner 19e wide cut, a runner then connects a through hole.Outer circumference end cooling medium runner 19e in this example, the 5mm wide cut is then greater than cavity end cooling medium runner 19a, 19b.Next, outer circumference end cooling medium runner 19e bottom, and mirror board 14 outer end portion 14c surfaces between distance (thickness of slab) be 5mm.Therefore the wide cut of outer circumference end cooling medium runner 19e is greater than cavity end cooling medium runner 19a, 19b, and crosses deeply and shoal.Next, aforementioned base plate 13 through hole 13c are connected in formed cooling medium runner 12b in the die main body portion 12, then from these through holes 13c and cooling medium runner 12b, form the cooling medium runner of mirror board outside.Therefore by the cooling medium of mirror board 14 cooling medium runners 19, then see through the cooling medium runner of aforementioned mirror board outside, return aforementioned cooling medium feedway.
Moreover 2 cavity end cooling medium runners in this example collaborate in 1 outer circumference end cooling medium runner, but also outer circumference end can be cooled off medium runner bar number as 2, again each cavity end cooling medium runner respectively are connected in outer circumference end cooling medium runner.In addition, terminal part also can be formed at the peripheral end face of mirror board.In addition, the flow direction of cooling medium runner also can cool off the medium runner from outer circumference end, and towards cavity end cooling medium flow passage cooling medium, this moment, base plate tap and entrance hole were then opposite with aforementioned example.
Below will fixed mould 21 be described with Fig. 1.Fixed mould 21 possesses die main body portion 22 that is installed on fixed disk and the base plate 23 that is installed on die main body portion 22.Next, in aforementioned base plate 23 fronts of moveable die 11 opposed faces, then use bolting mirror board 24.Base plate 23 and mirror board 24 respectively are the disc-shaped component that has the regulation thickness of slab of central opening.Next, Central boss 25 and sprue bush 26 etc. have then been set on the central opening of aforementioned base plate 23 and mirror board 24.In addition, the surperficial 24a of mirror board 24 (moveable die opposed faces) is not then setting under the situation of printer, forms the cavity face that constitutes the cavity some.Moreover mirror board 24 peripheral parts then between the periphery printer supporting seat 18 of the moveable die when mold closing 11, form the chimeric surface that envelope is ended molten resin.
Next, the inner face of aforementioned mirror board 24 (installed surface) 24b then forms the cooling medium runner 27 that constitutes spiral groove.Next, 27 of aforementioned cooling medium runners are by mirror board 24 is fitted in base plate 23 and forms tubulose.The cooling medium runner 27 of fixed mould 21 mirror boards 24 is constituted by being arranged at two of inner face 24b cooling medium runner 27a, the 27b that the mirror board cavity forms face.Next, the cooling medium feedway that (discloses) from fixed mould 21 outsides is arranged at die main body portion 22 with perforation and cools off through hole (entrance hole) 23a of medium runner 22a and base plate 23, supplies to cooling medium runner 27a, 27b and will cool off medium.Next, cooling medium runner 27a, the 27b of fixed mould 21, then alignment mirror panel 24 radiation directions are provided with six.Next, about cooling medium runner 27a, 27b aspect, the mirror board 24 on the helical form was about for 3 weeks.In addition, cooling medium runner 27a, 27b, be with being formed through hole (tap) 23b on the opposed position base plate 23 on the cavity formation face and being formed at the cooling medium runner 22b of die main body portion, will cool off medium and be thrown into aforementioned cooling medium feedway.Moreover, fixed mould 21 aspects, owing to be not to form the optic disc base board signal to duplicate the face end, and do not have the size issue of base plate 23 through hole 23a and through hole 23b, also can allow entrance hole and tap size plural number is set in response to the runner wide cut.
Moreover, about being formed at the cooling medium runner of fixed mould mirror board, then be same as the same such use that is not defined in of moveable die mirror board.For instance, also have bar number, runner wide cut and runner bottom at the set cooling medium runner of radiation direction, with cavity formation face between the mirror board thickness of slab, with cool off medium flow direction or the like various uses.
Moreover this example is at the illustrative examples that sets printer on the moveable die mirror board, but also can set printer less at the fixed mould mirror board.Next, be at this moment on fixed mould, install be provided with above-mentioned cavity end cooling medium runner, with the mirror board of outer circumference end cooling medium runner.And fixed mould and moveable die, also can install be provided with above-mentioned cavity end cooling medium runner, with the mirror board of outer circumference end cooling medium runner.
In addition, though the present invention's particularize not is not defined in this above-mentioned example, only has the knack of this operator and can follow purport of the present invention and changed and utilization, it all should be contained and belong in the scope of the invention.
Claims (6)
1. the shaping dies of an optic disc base board is characterized in that:
Interactive and form on the opposed faces of the fixed mould of cavity and moveable die when matched moulds, install on the optical disc substrate forming mould of mirror board, the cooling medium runner that has at least an end to be arranged at mirror board is made of several systems, wherein comprised and aimed at the radiation direction to form 6 to 10, and the cavity end that is arranged at aforementioned mirror board cavity formation face inner face cools off the medium runner, reach with aforementioned cavity end cooling medium runner and be connected, and aim at the radiation direction to form 1 to 2 outer circumference end cooling medium runner that is arranged at aforementioned mirror board cavity formation face outer end portion inner face, aforementioned outer circumference end cooling medium runner then is connected in the cooling medium runner of mirror board outside.
2. optical disc substrate forming mould as claimed in claim 1 is characterized in that: cavity end cooling medium runner is 2 cooling medium runners from the cooling Media Stream toward the same circumference direction, constitutes more than half parts.
3. optical disc substrate forming mould as claimed in claim 1, it is characterized in that: the wide cut of the radiation direction of cavity end cooling medium runner is 2.5 millimeters to 4.5 millimeters, this cavity end cooling medium runner bottom, and aforementioned cavity formation face between distance be 3.5 millimeters to 6.0 millimeters.
4. the mirror board of an optical disc substrate forming mould is characterized in that:
Interactive and form in the fixed mould of cavity and the moveable die at least one opposed faces when being installed in matched moulds, on the optical disc substrate forming mould mirror board that is provided with cooling medium runner, aimed at the radiation direction forming 6 to 10 to comprising, and be arranged at the cavity end cooling medium runner that aforementioned mirror board cavity forms the face inner face by several systems constituted; And
Be connected with aforementioned cavity end cooling medium runner, and aim at the radiation direction and be arranged at aforementioned mirror board cavity and form face outer end portion inner face, and be connected in the cooling medium runner of the outer circumference end cooling medium runner of mirror board external refrigeration medium runner to form 1 to 2.
5. the mirror board of optical disc substrate forming mould as claimed in claim 4 is characterized in that: cavity end cooling medium runner is that 2 from the cooling Media Stream toward the same circumference direction cool off the medium runners, constitutes more than half parts.
6. the mirror board of optical disc substrate forming mould as claimed in claim 4, it is characterized in that: the radiation direction wide cut of cavity end cooling medium runner is 2.5 millimeters to 4.5 millimeters, this cavity end cooling medium runner bottom, and aforementioned cavity formation face between distance be 3.5 millimeters to 6.0 millimeters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005111805A JP4286804B2 (en) | 2005-04-08 | 2005-04-08 | Disk substrate molding die and mirror plate of disk substrate molding die |
| JP2005111805 | 2005-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1843743A true CN1843743A (en) | 2006-10-11 |
Family
ID=37062725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510135585 Pending CN1843743A (en) | 2005-04-08 | 2005-12-30 | Optical disk substrate forming die and mirror surface plate of optical disk substrate forming die |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4286804B2 (en) |
| CN (1) | CN1843743A (en) |
| TW (1) | TW200635745A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302773A (en) * | 2013-06-27 | 2013-09-18 | 开平市盈光机电科技有限公司 | Optical disk mould structure |
| CN109859775A (en) * | 2019-03-14 | 2019-06-07 | 广州市镭迪机电制造技术有限公司 | A kind of single layer special type DVD mirror surface and its application method and manufacturing method |
| CN112590147A (en) * | 2020-11-26 | 2021-04-02 | 孙欢喜 | A mould cooling device for articles for daily use are moulded plastics |
-
2005
- 2005-04-08 JP JP2005111805A patent/JP4286804B2/en not_active Expired - Fee Related
- 2005-12-20 TW TW094145256A patent/TW200635745A/en unknown
- 2005-12-30 CN CN 200510135585 patent/CN1843743A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302773A (en) * | 2013-06-27 | 2013-09-18 | 开平市盈光机电科技有限公司 | Optical disk mould structure |
| CN103302773B (en) * | 2013-06-27 | 2015-12-02 | 广州盈光科技股份有限公司 | A kind of Optical disk mould structure |
| CN109859775A (en) * | 2019-03-14 | 2019-06-07 | 广州市镭迪机电制造技术有限公司 | A kind of single layer special type DVD mirror surface and its application method and manufacturing method |
| CN112590147A (en) * | 2020-11-26 | 2021-04-02 | 孙欢喜 | A mould cooling device for articles for daily use are moulded plastics |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006289715A (en) | 2006-10-26 |
| TW200635745A (en) | 2006-10-16 |
| JP4286804B2 (en) | 2009-07-01 |
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