CN201638561U - Die pressing device for blue-ray disc - Google Patents
Die pressing device for blue-ray disc Download PDFInfo
- Publication number
- CN201638561U CN201638561U CN2010201378880U CN201020137888U CN201638561U CN 201638561 U CN201638561 U CN 201638561U CN 2010201378880 U CN2010201378880 U CN 2010201378880U CN 201020137888 U CN201020137888 U CN 201020137888U CN 201638561 U CN201638561 U CN 201638561U
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- Prior art keywords
- outer ring
- ring part
- disc
- pad
- blue
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Abstract
The utility model discloses a die pressing device for a blue-ray disc, which comprises a control mechanism, a movable die mechanism and a fixed die mechanism, wherein the movable die mechanism and the fixed die mechanism are matched with each other; the control mechanism controls the actions of die pressing and die separation; the movable die mechanism is positioned over the fixed die mechanism; the fixed die mechanism comprises a base, a press block and a glass plate used for supporting the disc; the glass plate is fixedly connected with the base; a gasket is arranged between the glass plate and the disc; the press block is fixed on the base and propped against the edge of the gasket; a mother disc over against the disc is arranged on the movable die mechanism; the fixed die mechanism further comprises an annular outer ring piece coaxial with the disc; the external diameter of the outer ring piece is larger than that of the disc; the outer ring piece is laid on the gasket along the outer edge of the disc; and the upper surface of the outer ring piece is on the same plane with that of the disc. By adopting the outer ring piece, the pressing area is extended, deformation area generated by die pressing is effectively transferred, the edge information layer of the disc is prevented from becoming uneven after the die pressing, the die pressing quality of the disc is guaranteed, cost is saved, and the readability of the disc is improved.
Description
Technical field
The utility model relates to light disk producing system, relates more specifically to a kind of blue-ray disc die assembly.
Background technology
Along with the continuous expansion of optical storage medium information capacity, its production technology of producing optical storage medium is also flourish, and almost every kind of format disc is produced and all can be used compression molding techniques in many disk formats.Blu-ray Disc (Blue-ray Disc is abbreviated as BD) is a kind of CD storage technique of vast capacity, is one of mainstream technology of optical storage technology of future generation, and its basic structure is 1.1mm substrate+0.1mm protective seam.When making double-deck BD Blu-ray Disc; a kind of typical preparation method at first produces the 1.1mmBD blue light substrate with first information layer by the injection moulding and the sputtering process of standard; form second Information Level by the blue-ray disc die assembly compacting then; particularly; on the first information layer of BD substrate, be coated with the glue that does not also have curing that last layer can be used for forming second Information Level hole line thinly; compress the mould that extrudes the second Information Level pit; make it that sclerosis back mold removal take place; on the BD substrate, just formed second Information Level; the last protective seam that forms thick 0.1mm has more just obtained complete BD blue light disk.
When pressing forms second Information Level of BD disc, be the mould that has Information Level that the information of stamper copies in second Information Level of BD disc fully, just need provide accurate blue-ray disc die assembly.As shown in Figure 1, after utilizing existing blue-ray disc die assembly that CD is carried out pressing mold, be difficult to make the BD optical disc information layer to keep uniform consistance from the inside to the outside, thereby protruding 10a appears in the edge that makes BD CD 10, cause the BD CD when reading, to be difficult to read this Information Level and card dish phenomenon when playing the BD disc, occurs, make the BD CD can't satisfy the qualified requirement of finished product.
Therefore, be badly in need of a kind of improved blue-ray disc die assembly and overcome above-mentioned defective.
The utility model content
The purpose of this utility model is to provide a kind of blue-ray disc die assembly that can better keep the flatness of CD, the pressing mold quality that improves CD and saving cost.
For achieving the above object; the technical solution of the utility model is: a kind of blue-ray disc die assembly is provided; dynamic model mechanism that comprises control gear and cooperatively interact and cover half mechanism; described control gear links to each other with described dynamic model mechanism and controls described dynamic model mechanism and described cover half mechanism's pressing or separate with described cover half mechanism; described dynamic model mechanism be positioned at described cover half mechanism directly over; described cover half mechanism comprises pedestal; briquetting and be used to carry the glass plate of CD to be pressed; described glass plate is fixedlyed connected with described pedestal; be provided with pad between described glass plate and the described CD; described Optical disk supporter is on described pad; described briquetting is fixed on the described pedestal and with the edge of described pad and conflicts; described dynamic model mechanism is provided with the stamper coaxial with described CD; described stamper and described CD between described cover half mechanism and described dynamic model mechanism and described CD and described stamper over against; wherein; described cover half mechanism also includes ringwise outer ring part; the interior ring diameter of described outer ring part is greater than the outer ring diameter of described CD; described outer ring part is coaxial and be laid on the described pad along the outward flange of described CD with described CD, and the upper surface of described outer ring part and the upper surface of described CD are positioned at same plane.
Preferably, the difference of the outer ring diameter of the interior ring diameter of described outer ring part and described CD is between 0.2 millimeter to 1.0 millimeters.Setting by this distance leaves the gap to ensure between described outer ring part and the CD outward flange, is convenient to picking and placeing of CD, prevents to draw the damage CD.
Preferably, the outer ring diameter of described outer ring part is less than or equal to the outer ring diameter of described stamper.Make described outer ring part when described dynamic model mechanism and the pressing of cover half mechanism, be positioned at the nip region of stamper.
Preferably, described outer ring part comprises the support portion that is level, support portion along described level outwards also is bent to form fixed part downwards, described briquetting is pressed on the fixed part place of described outer ring part, and the support portion of described outer ring part is laid on the described pad and the upper surface of upper surface and described CD is positioned at same plane.By described briquetting described outer ring part firmly is fixed on the pad, prevents that the outer ring part from producing dislocation in the pressing mold knockout course, improve the pressing mold quality.
Preferably, described pad is a silicagel pad.Silicagel pad has good high and low temperature resistance; integrate characteristics such as waterproof, anticorrosive, ageing-resistant, nonpoisonous and tasteless elasticity be strong; be arranged between CD and the glass plate; CD is played buffer action; bear and alleviate the pressure that dynamic model mechanism is brought when pressing down cover half mechanism; further the protection CD improves the pressing mold quality.
Preferably, described outer ring part is formed by the Teflon material and is one-body molded with described pad, outer ring part and pad are one-body molded, help saving cost, and simple in structure, practical, and Teflon have not viscosity and preferably stability and wear-resistant while corrosion-resistant, strengthen the serviceable life of described outer ring part, made described outer ring part have higher use value, further ensured the pressing mold quality of CD.
Compared with prior art, because blue-ray disc die assembly of the present utility model has been set up ringwise outer ring part at the outward flange of CD to be pressed, described outer ring part is coaxial and be laid on the described pad along the outward flange of described CD with described CD, the interior ring diameter of described outer ring part is greater than the outer ring diameter of described CD, by the gap between outer ring part and the CD, make things convenient for CD to pick and place, prevent that CD from drawing damage.The upper surface of described outer ring part and the upper surface of described CD are positioned at same plane, enlarged nip region by described outer ring part, equivalence has strengthened the diameter of CD, thereby make CD have virtual outer collar region, and the outer collar region of original CD has become inner circle area, thereby the distortion that is produced when making stamper compacting CD is transferred on the affiliated zone of CD outer ring part, effectively avoid CD marginal information layer non-uniform phenomenon behind pressing mold, to occur, the flatness that keeps CD preferably, the pressing mold quality that guarantees CD is saved cost simultaneously, and has improved the readability of CD.
Description of drawings
Fig. 1 utilizes existing blue-ray disc die assembly that CD is carried out structural representation behind the pressing mold.
Fig. 2 is the structural representation of the utility model blue-ray disc die assembly.
Fig. 3 is the enlarged drawing of A part among Fig. 2.
Embodiment
In order to describe technology contents of the present utility model, structural attitude in detail, be described further below in conjunction with embodiment and conjunction with figs., label identical among the wherein different figure is represented identical parts.The blue-ray disc die assembly that provides of the utility model is set up the outer ring part with the coaxial annular of CD in cover half mechanism as mentioned above; described outer ring part is laid on the pad along the outward flange of CD; the interior ring diameter of described outer ring part is greater than the outer ring diameter of described CD, and the upper surface of outer ring part and the upper surface of CD are positioned at same plane.Enlarge nip region by the outer ring part, effectively shift the deformed region that pressing mold produces, the distortion of avoiding CD in the pressing mold process, to produce, the flatness of maintenance CD guarantees that the pressing mold quality of CD is saved cost simultaneously, has improved the readability of CD.
With reference to figure 2; blue-ray disc die assembly of the present utility model comprises control gear (figure does not show) and the dynamic model mechanism 100 and the cover half mechanism 200 that cooperatively interact; described control gear links to each other with described dynamic model mechanism 100 and controls described dynamic model mechanism 100 and described cover half mechanism's 200 pressings or separate with described cover half mechanism 200; it is driving source that described control gear can be selected with the servomotor; by synchronous band transmission and screw drive etc.; drive stamper 110 in the dynamic model mechanism 100 to 200 motions of described cover half mechanism, contact with described cover half mechanism 200 up to described dynamic model mechanism 100.Described dynamic model mechanism 100 be positioned at described cover half mechanism 200 directly over; described cover half mechanism 200 comprises pedestal 210; briquetting 220; outer ring part 230 and be used to carry the glass plate 250 of CD to be pressed 240; described glass plate 250 is fixedlyed connected with described pedestal 210; be provided with pad 260 between described glass plate 250 and the described CD 240; described CD 240 is carried on the described pad 260; described briquetting 220 is fixed on the described pedestal 210; described outer ring part 230 is between described pad 260 and described briquetting 220, and the upper surface that an end of described briquetting 220 is suppressed described outer ring part 230 and described briquetting 220 is lower than the upper surface of described CD 240.By described briquetting 220 described outer ring part 230 firmly is fixed on the pad 260, prevents that outer ring part 230 from producing dislocation in pressing mold or knockout course, improve the pressing mold quality.Described dynamic model mechanism 100 is provided with the stamper 110 coaxial with described CD 240; described stamper 110 and described CD 240 between described cover half mechanism 200 and described dynamic model mechanism 100 and described CD 240 and described stamper 110 over against, described stamper 110 is used for the embossed information tunnel.Described outer ring part 230 ringwise, described pad 260 is the diameter of the diameter of circle or annular and described pad 260 greater than described CD 240, the interior ring diameter of described outer ring part 230 is greater than the outer ring diameter of described CD 240, described outer ring part 230 and described CD 240 are coaxial and be laid on the described pad 260 along the outward flange of described CD 240, and the upper surface of described outer ring part 230 and the upper surface of described CD 240 are positioned at same plane.
With reference to figure 3, in an embodiment of the present utility model, described outer ring part 230 comprises the support portion 232 that is level, support portion 232 along described level outwards also is bent to form fixed part 234 downwards, described briquetting 220 is pressed on fixed part 234 places of described outer ring part 230, and the support portion 232 of described outer ring part 230 is laid on the described pad 260 and the upper surface of upper surface and described CD 240 is positioned at same plane.Particularly, the interior ring diameter of described outer ring part 230 is greater than the outer ring diameter of described CD 240.The difference D of the interior ring diameter of described outer ring part 230 and the outer ring diameter of described CD 240 is between 0.2 millimeter to 1.0 millimeters.Leave the gap between described outer ring part 230 and CD 240 outward flanges, be convenient to picking and placeing of CD 240, prevent to draw damage CD 240.The outer ring diameter of described outer ring part 230 is less than or equal to the outer ring diameter of described stamper 110.Make described outer ring part 230 when described dynamic model mechanism 100 and 200 pressings of cover half mechanism, be positioned at the nip region of stamper 110.Common BD CD has two kinds, be respectively diameter and be 120 millimeters and diameter be 80 millimeters, the CD of corresponding 120 mm dias, the interior ring diameter of the outer ring part 230 of described annular should be between 120.2 millimeters to 121 millimeters, its outer ring diameter is between 122 millimeters to 138 millimeters, the edge of outer ring part 230 is no more than 138 millimeters, is 138 millimeters because lay the diameter of the dynamic model mechanism of stamper; The CD of corresponding 80 mm dias, the interior ring diameter of the outer ring part 230 of described annular should be between 80.2 millimeters to 81 millimeters, and its outer ring diameter is between 82 millimeters to 100 millimeters.
Preferably, described outer ring part 230 is formed by the Teflon material and is one-body molded with described pad 260, outer ring part 230 is one-body molded with pad 260, help saving cost, and simple in structure, practical, and Teflon have not viscosity and preferably stability and wear-resistant while corrosion-resistant, can effectively strengthen the serviceable life of described outer ring part 230, make described outer ring part 230 have higher use value, further ensure the pressing mold quality of CD 240.
Preferably; described pad 260 is a silicagel pad; silicagel pad has good high and low temperature resistance; integrate characteristics such as waterproof, anticorrosive, ageing-resistant, nonpoisonous and tasteless elasticity be strong; be arranged between CD 240 and the glass plate 250,, bear and compress the pressure that buffering dynamic model mechanism 100 is brought when pressing down cover half mechanism 200 240 buffer actions of CD; further protection CD 240 improves the pressing mold quality.
During blue-ray disc die assembly pressing mold of the present utility model; CD 240 is placed on the pad 260 on the glass plate 250; the spin coating glue layer on the stamper surface for the treatment of at CD; control gear drives stamper 110 in the dynamic model mechanism 100 to 200 motions of described cover half mechanism; contact with described cover half mechanism 200 up to described dynamic model mechanism 100, the Information Level of the stamper in the dynamic model mechanism 100 110 is pressed on the glue layer of described CD 240.Because the outward flange of CD 240 has been set up annular outer ring part 230, the upper surface of described outer ring part 230 and the upper surface of described CD 240 are positioned at same plane, stamper 110 is suppressed described outer ring part 230 simultaneously, thereby enlarged nip region, equivalence has strengthened the diameter of CD 240, make CD 240 have virtual outer collar region, and the outer collar region of original CD 240 has become inner circle area, the outside fulcrum of pressing mold outwards moves on to outer ring part 230 places, thereby the distortion that is produced when making stamper 110 compacting CDs 240 is transferred on the zone under the outer ring part 230 of CD 240, it is inhomogeneous effectively to avoid CD 240 to produce the marginal information layer after pressing, guarantee that the Information Level that CD 240 surfaces form can keep uniformity, the flatness that keeps CD 240 preferably, the pressing mold quality that guarantees CD 240 is saved cost simultaneously, and has improved the readability of CD 240.Glue on the CD 240 is pressed the back and forms Information Level by UV curing mechanism solidified glue.
Above disclosed only is preferred embodiments of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (6)
1. blue-ray disc die assembly; dynamic model mechanism that comprises control gear and cooperatively interact and cover half mechanism; described control gear links to each other with described dynamic model mechanism and controls described dynamic model mechanism and described cover half mechanism's pressing or separate with described cover half mechanism; described dynamic model mechanism be positioned at described cover half mechanism directly over; described cover half mechanism comprises pedestal; briquetting and be used to carry the glass plate of CD to be pressed; described glass plate is fixedlyed connected with described pedestal; be provided with pad between described glass plate and the described CD; described Optical disk supporter is on described pad; described briquetting is fixed on the described pedestal and with the edge of described pad and conflicts; described dynamic model mechanism is provided with the stamper coaxial with described CD; described stamper and described CD between described cover half mechanism and described dynamic model mechanism and described CD and described stamper over against; it is characterized in that; described cover half mechanism also includes ringwise outer ring part; the interior ring diameter of described outer ring part is greater than the outer ring diameter of described CD; described outer ring part is coaxial and be laid on the described pad along the outward flange of described CD with described CD, and the upper surface of described outer ring part and the upper surface of described CD are positioned at same plane.
2. blue-ray disc die assembly as claimed in claim 1 is characterized in that, the difference of the interior ring diameter of described outer ring part and the outer ring diameter of described CD is between 0.2 millimeter to 1.0 millimeters.
3. blue-ray disc die assembly as claimed in claim 2 is characterized in that, the outer ring diameter of described outer ring part is less than or equal to the outer ring diameter of described stamper.
4. blue-ray disc die assembly as claimed in claim 1, it is characterized in that, described outer ring part comprises the support portion that is level, support portion along described level outwards also is bent to form fixed part downwards, described briquetting is pressed on the fixed part place of described outer ring part, and the support portion of described outer ring part is laid on the described pad and the upper surface of upper surface and described CD is positioned at same plane.
5. blue-ray disc die assembly as claimed in claim 1 is characterized in that, described pad is a silicagel pad.
6. blue-ray disc die assembly as claimed in claim 5 is characterized in that, described outer ring part is formed by the Teflon material and be one-body molded with described pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201378880U CN201638561U (en) | 2010-03-19 | 2010-03-19 | Die pressing device for blue-ray disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201378880U CN201638561U (en) | 2010-03-19 | 2010-03-19 | Die pressing device for blue-ray disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638561U true CN201638561U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201378880U Expired - Lifetime CN201638561U (en) | 2010-03-19 | 2010-03-19 | Die pressing device for blue-ray disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800058A (en) * | 2010-03-19 | 2010-08-11 | 东莞宏威数码机械有限公司 | Blue-ray disc compressing equipment |
-
2010
- 2010-03-19 CN CN2010201378880U patent/CN201638561U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800058A (en) * | 2010-03-19 | 2010-08-11 | 东莞宏威数码机械有限公司 | Blue-ray disc compressing equipment |
| WO2011113226A1 (en) * | 2010-03-19 | 2011-09-22 | 东莞宏威数码机械有限公司 | Pressing mold device for blue-ray disk |
| WO2011113353A1 (en) * | 2010-03-19 | 2011-09-22 | 东莞宏威数码机械有限公司 | Blue-ray disk stamping equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20111123 |