CN102358007B - Compact disc mould - Google Patents
Compact disc mould Download PDFInfo
- Publication number
- CN102358007B CN102358007B CN201110223920.6A CN201110223920A CN102358007B CN 102358007 B CN102358007 B CN 102358007B CN 201110223920 A CN201110223920 A CN 201110223920A CN 102358007 B CN102358007 B CN 102358007B
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- China
- Prior art keywords
- stamper
- die holder
- pressure ring
- mould
- mother disc
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- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Abstract
The invention discloses a compact disc mould. The compact disc mould comprises a front mould seat and a back mould seat which is matched with the front mould seat, wherein a mother disc is arranged on the mould opening surface of the front mould seat; the surface, toward the back mould seat of the mother disc is called an information surface; and a disc-shaped mould cavity is formed between the information surface and the mould opening surface of the back mould seat. The compact disc mould also comprises an exhaust channel for communicating the mould cavity and the external; and the exhaust channel is far away from the information surface. In the compact disc mould, air can be exhausted from the position of the exhaust channel, but burrs cannot be formed on the side of the mother disc during injection molding by forming the exhaust channel at the position far away from the information surface of the mother disc. The compact disc mould has a simple and reliable structure; the produced compact discs have no mother disc side burrs; and the compact disc mould can be used for producing various compact discs.
Description
Technical field
The present invention relates to a kind of injection mold, particularly a kind of compact disc mold.
Background technology
Most CD now, as even Blu-ray Disc of VCD, DVD, is all to adopt the mode of injection moulding to produce, and therefore, all has the compact disc mold matching.With reference to Fig. 1, traditional compact disc mold, conventionally there are cover half seat 4, dynamic model seat 5 and 6 three large assemblies of stamper, wherein stamper 6 is adsorbed on cover half seat 4, one side is outwardly called information faces, dynamic model seat 5 fastens and pushes down information faces edge with cover half seat 4, so form the die cavity 9 of a thin plate-like between itself and described information faces, past these die cavity 9 injected plastics (as PC) also treat that it is cooling, can produce a CD, and the information in all stamper 6 cards has been copied in the surface that this CD and stamper 6 attach.
Owing to being injection moulding production; when the plastics of melting enter after die cavity 9; originally the air that was arranged in die cavity 9 must need to have exhaust passage to carry out exhaust, and for protective disc surface information is complete, has just determined that the die cavity 9 of compact disc mold must possess an exhaust outlet that is positioned at die cavity 9 sides.Traditional compact disc mold, its exhaust passage is designed to be positioned at the side near stamper 6, and exhaust outlet is directly made up of stamper 6 information faces and dynamic model seat 5, and its size is generally 0.02mm, if excesssive gap, the CD of producing easily forms horizontal wall inscription cutting edge of a knife or a sword (as shown in Figure 2) at mother disc side.And for Blu-ray Disc, its quality requirements is very strict, must all can not have by some horizontal wall inscription cutting edges of a knife or a sword.Certainly existing with forbidding the production requirement that produces horizontal wall inscription cutting edge of a knife or a sword of exhaust outlet formed huge contradiction, therefore needs a kind of energy badly and ensures that the laser disc of producing can not form at mother disc side the compact disc mold of horizontal wall inscription cutting edge of a knife or a sword, solves this problem.
Summary of the invention
Object of the present invention, is in order to provide a kind of Shooting Technique that adopts to produce, but can makes the laser disc of producing can not form at mother disc side the compact disc mold of horizontal wall inscription cutting edge of a knife or a sword.
The solution that the present invention solves its technical problem is:
A kind of compact disc mold, comprise front die holder and the rear die holder with its matched moulds, stamper is installed on the die sinking face of described front die holder, the stamper backwards one side of die holder is called information faces, between described information faces and the die sinking face of rear die holder, form the die cavity of a plate-like, the present invention also comprises the exhaust passage that die cavity is in communication with the outside, and described exhaust passage is away from information faces.
As the further improvement of technique scheme, described front die holder is provided with pressure ring assembly, and described pressure ring assembly one end connects with front die holder, and the other end stretches out and push down the edge of stamper, and between this end and the die sinking face of rear die holder, there is gap, form thus described exhaust passage.
As the further improvement of technique scheme, described pressure ring assembly comprises to be pushed down stamper edge and is enclosed within the stamper pressure ring on front die holder, is connected with some the stamper pull bars that can seesaw along die sinking direction on described stamper pressure ring.
As the further improvement of technique scheme, the mother disc side core rod that described front die holder connects by mother disc side panel with it forms, and described stamper pressure ring is enclosed within on mother disc side core rod, and stamper pull bar passes mother disc side core rod and connects with mother disc side panel.
As the further improvement of technique scheme, described pressure ring assembly also comprises the ball bearing guide bushing between stamper pressure ring and mother disc side core rod, and the spring connecting with stamper pull bar.
The invention has the beneficial effects as follows: the present invention, by exhaust passage being arranged on to the orientation away from stamper information faces, makes in injection moulding process, gas can be drained from position, exhaust passage, but can not form batch cutting edge of a knife or a sword at mother disc side.
In addition, the present invention is provided with pressure ring assembly, utilize stamper pressure ring to push down stamper, stamper pressure ring has certain thickness, therefore the exhaust passage nature forming between itself and rear die holder away from information faces, this structure, had both ensured that press plate structure was firm, can ensure again to criticize without mother disc side the CD moulding smoothly of cutting edge of a knife or a sword.
The present invention is simple and reliable for structure, and the CD of producing is criticized cutting edge of a knife or a sword without mother disc side, can be used for producing various CDs.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Fig. 1 is traditional compact disc mold structural representation;
Fig. 2 is the Blu-ray Disc side view that utilizes conventional optical disc mould to produce;
Fig. 3 is structural representation of the present invention.
Detailed description of the invention
With reference to Fig. 1, traditional compact disc mold, has cover half seat 4, dynamic model seat 5 and 6 three large assemblies of stamper, and wherein stamper 6 is adsorbed on cover half seat 4, and outwardly, dynamic model seat 5 fastens and push down information faces edge with cover half seat 4 to information faces.Particularly, the subassembly of pushing down stamper 6 on described dynamic model seat 5 is called die cavity ring 8, and the subassembly at the back side that surround, that be used to form CD, the middle part of die cavity ring 8 is called non-mother disc side core rod 10.Non-mother disc side core rod 10, die cavity ring 8 inwalls, information faces have formed die cavity 9, exhaust passage is made up of side and the information faces of die cavity ring 8, therefore if fruit product is Blu-ray Disc, it will produce CD 61 as shown in Figure 2, criticize cutting edge of a knife or a sword with mother disc side.
With reference to Fig. 3, the present invention is a kind of compact disc mold, comprise front die holder 2 and the rear die holder 3 with its matched moulds, stamper 6 is installed on the die sinking face of described front die holder 2, the stamper 6 backwards one side of die holder 3 is called information faces, the die cavity 9 that forms a plate-like between the die sinking face of described information faces and rear die holder 3, the present invention also comprises the exhaust passage that die cavity 9 is in communication with the outside, described exhaust passage is away from information faces.In fact, described front die holder 2 is corresponding described cover half seat 4, described rear die holder 3 is corresponding described dynamic model seat 5, can be directly by adjusting the position of exhaust passage, reequip traditional compact disc mold and obtain the present invention, therefore, described rear die holder 3 also has die cavity ring 8, non-mother disc side core rod 10 these parts.
Be further used as preferred embodiment, described front die holder 2 is provided with pressure ring assembly 1, and described pressure ring assembly 1 one end connects with front die holder 2, and the other end stretches out and push down the edge of stamper 6, and between the die sinking face of this end and rear die holder 3, there is gap, form thus described exhaust passage.
Be further used as preferred embodiment, described pressure ring assembly 1 comprises to be pushed down stamper 6 edges and is enclosed within the stamper pressure ring 11 on front die holder 2, is connected with some the stamper pull bars 13 that can seesaw along die sinking direction on described stamper pressure ring 11.
Be further used as preferred embodiment, the mother disc side core rod 7 that described front die holder 2 connects by mother disc side panel 71 with it forms, and described stamper pressure ring 11 is enclosed within on mother disc side core rod 7, and stamper pull bar 13 passes mother disc side core rod 7 and connects with mother disc side panel 71.Particularly, process several cavitys on mother disc side panel 71, one end of stamper pull bar 13 is arranged in cavity movable, and by ventilating toward this cavity in, form promotion stamper pull bar 13 that can cylinder piston moves.Stamper pull bar 13 is to ensure that stamper 6 can be held down and be not shifted in order to meet the stamper pressure ring 11 mother disc side core rod 7 of fitting all the time in injection moulding process simultaneously, and allows stamper pressure ring 11 unclamp while releasing and to rotate the needs that take out stamper pressure ring 11, change stamper 6 set.
Be further used as preferred embodiment, described pressure ring assembly 1 also comprises the ball bearing guide bushing 12 between stamper pressure ring 11 and mother disc side core rod 7, and the spring 14 connecting with stamper pull bar 13.Particularly, the other end of described spring 14 can be fixed on mother disc side core rod 7, in the time of described cavity ventilation, stamper pull bar 13 Compress Springs 14, finish to get after dish action, cancel ventilation, spring 14 restores to the original state, related stamper pull bar 13 stamper pressure ring 11 can be resetted, make the remain on ± 0.002mm of gap of stamper pressure ring 11 and stamper 6.Described ball bearing guide bushing 12 can be alleviated pressure and the frictional force between stamper pressure ring 11 and mother disc side core rod 7.
In addition, although exhaust passage is arranged on the position near rear die holder 3 by the present invention, if but conditions permit, also can be by replacing the position of die sinking order (as contrary in front and back die holder), change exhaust passage, realizing the position of exhaust passage changes, but all follow exhaust passage the design concept of orientation away from information faces is set due to it, therefore all belong to the variant that is equal to of the present invention.
Workflow of the present invention is: first by die sinking of the present invention, rear die holder 3 is removed; Then stamper 6 is fixed to (adopting vacuum suction mode) on mother disc side core rod 7; Then ventilation, ejects stamper pull bar 13, installs and rotates stamper pressure ring 11; Then cancel ventilation, under the active force of spring 14, make stamper pressure ring reset, the remain on ± 0.002mm of gap of guarantee and stamper 6; Mould matched moulds, injection mo(u)lding; Die sinking, takes out video disc.It should be noted that not to be that each die sinking all will be taken out stamper 6, the video disc of same information is only with a sheet carrier plate 6, only have and in the time that stamper 6 informational needs are changed, just can change stamper 6, all can produce one and video disc is each folding mould, die sinking is in order to take out, and matched moulds is for injection moulding.Do not change stamper 6, stamper pressure ring 11 is that a vertical compression stamper 6.
More than that preferred embodiments of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (1)
1. a compact disc mold, comprise front die holder (2) and the rear die holder (3) with its matched moulds, stamper (6) is installed on the die sinking face of described front die holder (2), stamper (6) the backwards one side of die holder (3) is called information faces, between the die sinking face of described information faces and rear die holder (3), form the die cavity (9) of a plate-like, it is characterized in that: it also comprises the exhaust passage that die cavity (9) is in communication with the outside, and described exhaust passage is away from information faces; Described front die holder (2) is provided with pressure ring assembly (1), described pressure ring assembly (1) one end connects with front die holder (2), the other end stretches out and pushes down the edge of stamper (6), and has gap between this end and the die sinking face of rear die holder (3), forms thus described exhaust passage;
Described pressure ring assembly (1) comprises to be pushed down stamper (6) edge and is enclosed within the stamper pressure ring (11) on front die holder (2), is connected with some the stamper pull bars (13) that can seesaw along die sinking direction on described stamper pressure ring (11);
Described front die holder (2) is made up of mother disc side panel (71) and the mother disc side core rod (7) that connects with it, it is upper that described stamper pressure ring (11) is enclosed within mother disc side core rod (7), and stamper pull bar (13) passes mother disc side core rod (7) and connects with mother disc side panel (71);
Described pressure ring assembly (1) also comprises the ball bearing guide bushing (12) being positioned between stamper pressure ring (11) and mother disc side core rod (7), and the spring (14) connecting with stamper pull bar (13);
Mother disc side panel (71) is provided with several cavitys, and one end of stamper pull bar (13) is arranged in cavity movable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223920.6A CN102358007B (en) | 2011-08-05 | 2011-08-05 | Compact disc mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223920.6A CN102358007B (en) | 2011-08-05 | 2011-08-05 | Compact disc mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102358007A CN102358007A (en) | 2012-02-22 |
| CN102358007B true CN102358007B (en) | 2014-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110223920.6A Expired - Fee Related CN102358007B (en) | 2011-08-05 | 2011-08-05 | Compact disc mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102358007B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479689B (en) * | 2016-01-05 | 2018-02-02 | 苏州鼎优塑胶制品有限公司 | For carrying the mould of disk injection |
| CN107351321B (en) * | 2017-08-07 | 2023-10-20 | 深圳市南极光电子科技有限公司 | Anti-sticking structure applied to compression forming die of light guide plate and application method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211033A (en) * | 1997-08-04 | 1999-03-17 | 索尼公司 | Optical disk molding apparatus |
| CN1535201A (en) * | 2001-02-06 | 2004-10-06 | O.T.B.���Ź�˾ | Method and installation for injection moulding plastic article |
| CN1550309A (en) * | 2003-05-14 | 2004-12-01 | 株式会社名机制作所 | Forming die for optical disk substrate |
| CN1636699A (en) * | 2003-12-26 | 2005-07-13 | 德诺斯有限公司 | Optical disc mold having diamond-like carbonaceous layer and a molding method using the same |
| CN101114482A (en) * | 2006-07-27 | 2008-01-30 | 株式会社名机制作所 | Optical disk substrate, forming mold, blue-ray disk and manufacturing method thereof |
| CN201313383Y (en) * | 2008-12-18 | 2009-09-23 | 吉林庆达数码有限公司 | Mould for CD-R high-speed manufacturing |
-
2011
- 2011-08-05 CN CN201110223920.6A patent/CN102358007B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211033A (en) * | 1997-08-04 | 1999-03-17 | 索尼公司 | Optical disk molding apparatus |
| CN1535201A (en) * | 2001-02-06 | 2004-10-06 | O.T.B.���Ź�˾ | Method and installation for injection moulding plastic article |
| CN1550309A (en) * | 2003-05-14 | 2004-12-01 | 株式会社名机制作所 | Forming die for optical disk substrate |
| CN1636699A (en) * | 2003-12-26 | 2005-07-13 | 德诺斯有限公司 | Optical disc mold having diamond-like carbonaceous layer and a molding method using the same |
| CN101114482A (en) * | 2006-07-27 | 2008-01-30 | 株式会社名机制作所 | Optical disk substrate, forming mold, blue-ray disk and manufacturing method thereof |
| CN201313383Y (en) * | 2008-12-18 | 2009-09-23 | 吉林庆达数码有限公司 | Mould for CD-R high-speed manufacturing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102358007A (en) | 2012-02-22 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20200805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |