CN201698748U - Forming mold of DVD compact disc substrate - Google Patents
Forming mold of DVD compact disc substrate Download PDFInfo
- Publication number
- CN201698748U CN201698748U CN2010201853193U CN201020185319U CN201698748U CN 201698748 U CN201698748 U CN 201698748U CN 2010201853193 U CN2010201853193 U CN 2010201853193U CN 201020185319 U CN201020185319 U CN 201020185319U CN 201698748 U CN201698748 U CN 201698748U
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- CN
- China
- Prior art keywords
- core
- mould
- cover half
- compact disc
- disc substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a forming mold of a DVD compact disc substrate, which comprises a movable mold core, a fixed mold core and a die cavity ring, wherein the die cavity ring is sheathed on the fixed mold core, a forming space is formed among the movable mold core, the fixed mold core and the die cavity ring, and inner chamber angles are arranged on the periphery of the forming surface of the movable mold core and/or the fixed molding core. Thereby, the outer periphery of the optical disc substrate formed by the forming space of the mold with the structure is provided with the outer chamber angles, so a certain space is generated on the periphery of the adhesion surface. When two substrates are pasted, air bubbles can not be generated even when burrs exist on the periphery of the substrates, so the integral quality of the optical disc is improved.
Description
Technical field
The utility model relates to a kind of DVD compact disc mold, is a kind of mould of DVD compact disc substrate specifically.
Background technology
DVD CD on the market normally is bonded by two substrates, mostly adopts special-purpose compact disc substrate mould and make compact disc substrate.Existing compact disc substrate mould generally comprises moving-mould-core and cover half core and is linked in die cavity ring on the cover half core, be formed with molding space between moving-mould-core and cover half core and the die cavity ring, as shown in Figure 1, the forming surface of cover half core and moving-mould-core all is the plane through polishing, and cavity surface also is that polishing requires in the die cavity ring.Can can't there be some burrs in the mould of this structure from the compact disc substrate of its molding space moulding periphery with avoiding, in addition one section of mould use the time after owing to parts depreciation also can cause the compact disc substrate periphery to have burr.Therefore, when CD two substrates carry out can producing bubble when bonding, thereby reduce the total quality of CD.
The utility model content
At the deficiency of above-mentioned prior art, the utility model provides the mould of a kind of DVD compact disc substrate of the compact disc substrate that plastic periphery has chamfering.
The utility model is achieved in that a kind of mould of DVD compact disc substrate, comprise moving-mould-core and cover half core and be linked in die cavity ring on the cover half core, be formed with molding space between described moving-mould-core and cover half core and the die cavity ring, the periphery of the forming surface of described moving-mould-core and/or cover half core has been opened interior chamfering.
The utility model also has following additional technical feature:
Chamfering is N * 45 ° in described, and wherein the value of N is 0.05mm-0.3mm.
The forming surface periphery of described cover half core has been opened described interior chamfering.
Described cover half core comprises the cover half inner core and the collar that is linked in this cover half inner core periphery, and the described collar is between cover half inner core and described die cavity ring, and the interior ring side of the described collar has been opened described interior chamfering.
The forming surface periphery of described moving-mould-core has been opened described interior chamfering.
Described moving-mould-core comprises the dynamic model inner core and is linked in another collar of this dynamic model inner core periphery that the interior ring side of described another collar has been opened described interior chamfering
The mould of a kind of DVD compact disc substrate that the utility model provides compared with prior art has following advantage: the periphery of the forming surface of moving-mould-core described in the utility model and/or cover half core has been opened interior chamfering, therefore, the periphery of the compact disc substrate of its molding space moulding of the mould of this structure has outer chamfering, thereby makes the periphery of adhesive surface produce certain space.When two substrates are bonding, even substrate perimeter is jagged, also can't produce bubble, thereby improve the total quality of CD.
Description of drawings
Fig. 1 is the structural representation of existing compact disc substrate mould.
Fig. 2 is the structural representation that the forming surface of cover half core in the utility model is opened chamfering.
Fig. 3 is the structural representation that the forming surface of moving-mould-core is opened chamfering in the utility model.
Embodiment
Referring to Fig. 2, a kind of optimal way of the mould of a kind of DVD compact disc substrate of the utility model is shown, comprise moving-mould-core 2 and cover half core 1 and be linked in die cavity ring 3 on the cover half core, be formed with molding space 5 between described moving-mould-core and cover half core and the die cavity ring, the periphery of the forming surface of cover half core has been opened interior chamfering 4, described cover half core 1 comprises cover half inner core 11 and is linked in the collar 12 of this cover half inner core periphery, the described collar 12 is between cover half inner core 11 and described die cavity ring 3, and the interior ring side of the described collar 12 has been opened described interior chamfering 4.In implementation process, can be directly the interior ring side of described die cavity ring 3 open described in chamfering, thereby the collar is saved, if but use this structure can cause the die cavity ring can not be general, and bigger in the endoporus chamfering difficulty of die cavity ring.Therefore, optimal way of the present utility model be adopt that the cover half inner core combines with the collar the branch body structure of cover half core.Because it is very high that the roughness of the forming surface of compact disc substrate requires, must carry out mirror polish in the forming surface of the forming surface of moving, cover half core and die cavity ring handles, yet, forming surface one side periphery of cover half core is opened interior chamfering, make its forming surface be concave, concave surface inside is difficult to carry out the eyeglass polishing, and therefore the cover half core by above-mentioned split setting can solve the mirror polish problem.
Referring to Fig. 3, the another kind of optimal way of the mould of a kind of DVD compact disc substrate of the utility model is shown, the forming surface periphery of described moving-mould-core 2 of the present utility model has been opened described interior chamfering 4.Described moving-mould-core 2 comprises dynamic model inner core 21 and is linked in another collar 22 of this dynamic model inner core periphery that the interior ring side of described another collar 22 has been opened described interior chamfering 4.Because it is very high that the roughness of the forming surface of compact disc substrate requires, must carry out mirror polish in the forming surface of the forming surface of moving, cover half core and die cavity ring handles, yet, forming surface one side periphery of moving-mould-core is opened interior chamfering, make its forming surface be concave, concave surface inside is difficult to carry out the eyeglass polishing, and therefore the moving-mould-core by above-mentioned split setting can solve the mirror polish problem.
In implementation process, according to client's selection also can be in the described cover half core 1 and the forming surface periphery of moving-mould-core 2 be all opened chamfering 4, be not limited to open interior chamfering in the forming surface of cover half core or moving-mould-core.Chamfering is N * 45 ° in described, and wherein the value of N is 0.05mm-0.3mm, and preferred value is 0.15mm.The number of degrees of chamfering are not limited to 45 °, can select other the number of degrees for use, and as 30 °, 60 ° etc., the big or small N of chamfering also can suitably select for use according to the compact disc substrate thickness of institute's moulding.The utility model is chamfering outside the periphery of the compact disc substrate of its molding space 5 moulding has, thereby makes the periphery of adhesive surface produce certain space.When two substrates are bonding, even substrate perimeter is jagged, also can't produce bubble, thereby improve the total quality of CD.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (6)
1. the mould of a DVD compact disc substrate, comprise moving-mould-core (2) and cover half core (1) and be linked in die cavity ring (3) on the cover half core, be formed with molding space (5) between described moving-mould-core and cover half core and the die cavity ring, it is characterized in that: the periphery of the forming surface of described moving-mould-core and/or cover half core has been opened interior chamfering (4).
2. the mould of a kind of DVD compact disc substrate according to claim 1 is characterized in that: chamfering (4) is N * 45 ° in described, and wherein the value of N is 0.05mm-0.3mm.
3. the mould of a kind of DVD compact disc substrate according to claim 1 and 2 is characterized in that: the forming surface periphery of described cover half core (1) has been opened described interior chamfering (4).
4. the mould of a kind of DVD compact disc substrate according to claim 3, it is characterized in that: described cover half core (1) comprises cover half inner core (11) and is linked in the collar (12) of this cover half inner core periphery, the described collar is between cover half inner core and described die cavity ring, and the interior ring side of the described collar has been opened described interior chamfering (4).
5. the mould of a kind of DVD compact disc substrate according to claim 1 and 2 is characterized in that: the forming surface periphery of described moving-mould-core (2) has been opened described interior chamfering (4).
6. the mould of a kind of DVD compact disc substrate according to claim 5, it is characterized in that: described moving-mould-core (2) comprises dynamic model inner core (21) and is linked in another collar (22) of this dynamic model inner core periphery that the interior ring side of described another collar has been opened described interior chamfering (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201853193U CN201698748U (en) | 2010-04-30 | 2010-04-30 | Forming mold of DVD compact disc substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201853193U CN201698748U (en) | 2010-04-30 | 2010-04-30 | Forming mold of DVD compact disc substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201698748U true CN201698748U (en) | 2011-01-05 |
Family
ID=43399994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201853193U Expired - Fee Related CN201698748U (en) | 2010-04-30 | 2010-04-30 | Forming mold of DVD compact disc substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201698748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015192516A1 (en) * | 2014-06-20 | 2015-12-23 | 黄欣 | Forming mold for digital optical disk substrate |
-
2010
- 2010-04-30 CN CN2010201853193U patent/CN201698748U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015192516A1 (en) * | 2014-06-20 | 2015-12-23 | 黄欣 | Forming mold for digital optical disk substrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20190430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |