CN101195289B - Solidified holding tray capable of controlling bonding excursion of center hole of double-layer optical disk - Google Patents
Solidified holding tray capable of controlling bonding excursion of center hole of double-layer optical disk Download PDFInfo
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- CN101195289B CN101195289B CN200610164242XA CN200610164242A CN101195289B CN 101195289 B CN101195289 B CN 101195289B CN 200610164242X A CN200610164242X A CN 200610164242XA CN 200610164242 A CN200610164242 A CN 200610164242A CN 101195289 B CN101195289 B CN 101195289B
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- stem
- positioning head
- magnet
- holding tray
- substrate
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- 230000003287 optical effect Effects 0.000 title description 4
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 47
- 238000003848 UV Light-Curing Methods 0.000 claims description 8
- 238000001723 curing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 239000010410 layer Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
The invention provides a solidified tray, which comprises a carrying tray which is provided with a central opening and an offset-controlling device, wherein the offset-controlling device includes a sleeve barrel, a positioning head, a clamping cap, a shaft core seat, a core column and a magnet fixing seat, wherein one end of the sleeve barrel is open, the other opposite base end is enclosed and is provided with a central hole, the lower end of the positioning head is disposed inside the opening end of the sleeve barrel, the positioning head can move between the closing state and the opening state, thereby respectively limiting the outer diameter of phi 14.8 millimeters and phi 15 millimeters. The clamping cap is utilized to fix the sleeve barrel and the positioning head in the central opening of the carrying tray, and the shaft core seat is arranged inside the sleeve barrel and is adjacently connected with the lower end of the positioning head. The core column is mounted by passing the central hole disposed at the base end of the sleeve barrel and the shaft core, the diameter enlarging end of the core column is positioned inside the positioning head, the other end is disposed in the external portion of the base end of the sleeve barrel and is provided with core column magnets. The magnet fixing seat is disposed on the base board and is employed to fix a base board magnet. The solidified tray is capable of eliminating offset errors introduced in the gluing process of the central opening of a disc with a double-layer structure.
Description
Technical field
The present invention relates to be used to make the device of optical digital disk disc, especially relate to the solidified holding tray that is used for solidification equipment, this solidified holding tray can be controlled the bonding excursion of the centre bore of double-layer CD.
Background technology
According to the CD Red Data Book, the distance in two centers of circle of eccentric (ECC eccentricity) expression is the distance between the geometric center of the geometric center of information track and disc centre bore.
Along with the raising of CD read and write speed, packing density, and the shortening of seek time, more and more stricter to the requirement of off-centre.In order to obtain higher-quality disc,, need the off-centre of each disc production phase introducing of control in order to optimize manufacturing process better.
What have double-deck DVD disc finishes dish by two bonding forming of monolithic that 0.6mm is thick.The Information Level of two monolithics is respectively L0 and L1.When playing, player utilizes the centre bore of L0 layer to position, then the off-centre of L0 layer is exactly self off-centre (ignoring the off-centre that player is introduced) of L0 monolithic, and the off-centre of L1 layer to be exactly L0 layer off-centre, L1 layer eccentric and the bonding excursion of two monolithic centre bores vector superposed.If there are not off-centre in L0 layer and L1 layer, then the off-centre of L1 layer also can be introduced by the bonding excursion error of two monolithic centre bores.See also Fig. 1, schematically show L0 layer and L1 layer, wherein S represents the off-centring of DVD double-layer CD.
In present production technology, two monolithic L0 after L1 is coated with glue bond, delivers to UV curing station through the whirl coating operation and are cured.Solidifying station, the double-layer CD after bonding is placed on the solidified holding tray in the solidification equipment, is cured under the UV ray then.See also Fig. 2, it shows the solidified holding tray of available technology adopting, it comprise a core 1 ' and be used for the carrier 7 of carrying disc '.The axle core 1 ' external diameter be φ 14.8mm, the internal diameter of the centre bore of two monolithics is φ 15mm, so the cooperation between them is a matched in clearance.Like this, the centre bore of two monolithics just can produce offset error in bonding process, thereby produces disc off-centre (ECC), reduces the quality of CD.
Summary of the invention
The present invention is directed to above-mentioned defective solidified holding tray a kind of novelty, creationary is provided, it can overcome the centre bore offset error that two discs produce effectively in the bonding process.This solidified holding tray is arranged on the gluing adhesive stations and UV solidifies between the station, referring to the schematic flow sheet of Fig. 9 demonstration.
Particularly, the invention provides a kind of solidified holding tray, this solidified holding tray is arranged on and solidifies on the rotating disk, this curing rotating disk can be rotatably set in the top of substrate and spaced apart with substrate, this solidified holding tray comprises that one has the carrier of centre bore, is used to carry the CD that will be cured, and it is characterized in that: described solidified holding tray also comprises a control deflection device, be used to control the bonding offset error of the centre bore of double-decker CD, this control deflection device comprises:
Sleeve, an end opening of this sleeve, another relative bottom sealing and have centre bore;
Positioning head, the lower end of this positioning head are arranged in the openend of sleeve, and this positioning head can wherein, close up state closing up activity between state and the open configuration, and positioning head limits the external diameter of φ 14.8mm, and at open configuration, positioning head limits the external diameter of φ 15mm;
Friction top is used for sleeve and positioning head are fixed in the centre bore of carrier;
Mandrel seat, it is arranged in the sleeve, with the lower end adjacency of positioning head, and is held in place by the spring that is arranged on its lower end;
Stem stem, it passes the centre bore and the Mandrel seat setting of sleeve bottom, and the diameter of this stem stem increases end and is arranged in the positioning head, and its other end is positioned at bottom outside of sleeve and is provided with stem stem magnet;
The magnet holder, it is arranged on the described substrate, is used for fixing substrate magnet, this substrate magnet is corresponding with described stem stem magnet, and can pass through magnetic interaction, thereby stem stem and Mandrel seat are moved up and down, and compress and discharge the described spring that is arranged in the sleeve.
Preferably, positioning head is the three-clove style structure, and every lobe both sides are provided with the magnet that attracts mutually with adjacent petals.
Preferably, substrate magnet is three, and wherein on the substrate that two are arranged between gluing adhesive stations and the UV curing station, a transfer that is arranged on after the UV curing station is got on the substrate at dish station place.
When described substrate magnet and described stem stem magnet attract each other, described stem stem and Mandrel seat move down, the compression spring, thereby positioning head is opened to limit the external diameter of φ 15mm, when described substrate magnet and described stem stem magnet repel mutually, described stem stem moves up, thereby positioning head is closed up to limit the external diameter of φ 14.8mm.
Described positioning head can be formed by stainless steel.
The diameter of described stem stem increases end can be taper.
Adopt above-mentioned solidified holding tray of the present invention, can solidify in the process of transmitting CD between the station, eliminate the offset error of the centre bore of two discs simultaneously in gluing adhesive stations and UV.So just need not increases new time loss, thereby has guaranteed original production efficiency of light disk producing system.
Description of drawings
The present invention will be described in detail below in conjunction with accompanying drawing, and by reading following description, technical scheme of the present invention and technique effect will be clearly.In these accompanying drawings:
Fig. 1 shows the dual layer disc structure of DVD CD and the skew between the two-layer disc;
Fig. 2 shows the structure of existing solidified holding tray;
Fig. 3 shows the section of structure and the partial top view of solidified holding tray of the present invention;
Fig. 4 shows the structure chart of each building block of the solidified holding tray among Fig. 3, wherein (a): positioning head; (b): friction top; (c): Mandrel seat; (d): the magnet holder; (e): sleeve; (f): stem stem; (g): carrier;
Fig. 5 shows the distribution of substrate magnet on substrate, has shown the position relation between substrate magnet and the curing rotating disk, and wherein this curing rotating disk is provided with four solidified holding trays among Fig. 3;
Fig. 6 shows the structure of the solidified holding tray when positioning head does not open;
Fig. 7 shows the structure of the solidified holding tray when positioning head opens;
Fig. 8 shows the structure of the solidified holding tray when positioning head closes up;
Fig. 9 shows the schematic flow sheet of making the optical digital disk disc.
The specific embodiment
See also Fig. 1, wherein schematically show disc L0 layer and L1 layer, wherein S represents the skew of DVD double-layer CD centre bore.Fig. 2 shows the structure of existing solidified holding tray, it comprise a core 1 ' and be used for the carrier 7 of carrying disc '.The axle core 1 ' external diameter be φ 14.8mm, the internal diameter of the centre bore of two monolithics is φ 15mm, so the cooperation between them is a matched in clearance.Like this, the centre bore of two monolithics just can produce offset error in bonding process, thereby produces disc off-centre (ECC).
Fig. 3 shows the section of structure and part (control deflection device) vertical view of solidified holding tray 10 of the present invention.Solidified holding tray 10 of the present invention is arranged on the curing rotating disk 9 in the solidification equipment, this curing rotating disk 9 can be rotatably set in the top of substrate 13 of light disk producing system and spaced apart with substrate 13, referring to Fig. 5, wherein solidify the solidified holding tray 10 that rotating disk 9 is provided with four same structures.Because the structure of these four solidified holding trays is identical, therefore the structure of one of them is only described below.In addition, because parts such as the curing rotating disk of light disk producing system, substrate belong to known, therefore they are not done detailed description.
Still referring to Fig. 3, solidified holding tray 10 comprises carrier 7 and control deflection device 8, this carrier 7 is used for carrying disc, and have a centre bore that is used to insert control deflection device 8, this control deflection device 8 comprises positioning head 1, friction top 2, Mandrel seat 3, magnet holder 4, sleeve 5, stem stem 6 and is arranged on the interior spring 14 of sleeve 5.Referring to Fig. 4, show the structure chart of each building block of the solidified holding tray among Fig. 3, wherein (a): positioning head; (b): friction top; (c): Mandrel seat; (d): the magnet holder; (e): sleeve; (f): stem stem; (g): carrier.
One end opening of sleeve 5, other end sealing, this closed bottom end has the centre bore that allows stem stem 6 to pass through.Positioning head 1 can wherein, close up state closing up activity between state and the open configuration, and positioning head limits the external diameter of φ 14.8mm, and at open configuration, positioning head limits the external diameter of φ 15mm.Preferably, positioning head 1 is the three-clove style structure, and every lobe both sides are provided with the magnet (seeing Fig. 4 it (a)) that attracts mutually with adjacent petals, are used to make positioning head 1 to remain on and close up state.The lower end of this positioning head 1 is arranged in the openend of sleeve, and give prominence to above carrier 7 its upper end, is used for being inserted into the centre bore of CD, with the location CD.
Magnet holder 4 is arranged on the substrate 13, be used for fixing substrate magnet 12, this substrate magnet 12 is corresponding with described stem stem magnet 11, and can pass through magnetic interaction, thereby makes stem stem and Mandrel seat move up and down with compression and discharge the spring 14 that is arranged in the sleeve.As can be seen from Figure 3, an end of spring 14 is resisted against on the Mandrel seat 3, and the other end is resisted against on the closed bottom end of sleeve 5.
When described substrate magnet 12 did not interact with described stem stem magnet 11, spring 14 was stretched out and is in initial position, and positioning head 1 is in the not open configuration that external diameter is φ 14.8mm, referring to Fig. 6.When described substrate magnet 12 attracted each other with described stem stem magnet 11, described stem stem 6 and Mandrel seat 3 moved down, compression spring 14, thereby the tapering point of stem stem 6 spurs three valve structures of positioning head 1 downwards, positioning head is opened, limit the external diameter of φ 15mm, referring to Fig. 7.When described substrate magnet 12 repels mutually with described stem stem magnet 11, described stem stem 6 moves up, thereby the tapering point of stem stem 6 and positioning head 1 disengage, and positioning head 1 is got back under the attraction force acts of the magnet of every lobe both sides and closed up state, limit the external diameter of φ 14.8mm, referring to Fig. 8.
Referring to Fig. 5, in the present embodiment, be provided with three substrate magnet 12 ', 12 " and 12 " ', its size can be φ 20mm * 4mm as required.These three substrate magnet are separately fixed in the magnet holder 4.Wherein, two substrate magnet 12 ', 12 " being arranged on gluing adhesive stations (not shown) and UV solidifies on the substrate 13 between the station P3; their polarity is arranged to opposite with stem stem magnet 11; power that attracts each other with generation; like this; when substrate magnet 12 '; 12 " and described stem stem magnet 11 is when attracting each other, described stem stem 6 and Mandrel seat 3 move down and compress spring 14, thereby the tapering point of stem stem 6 spurs three valve structures of positioning head 1 downwards, and positioning head is opened, limit the external diameter of φ 15mm, referring to Fig. 7.Another substrate magnet 12 " ' being arranged on the transfer that UV solidifies after the station P3 to get on the substrate 13 at dish station P2 place, its polarity is arranged to identical with stem stem magnet 11, to produce the power of mutual repulsion.Like this, when described substrate magnet 12 " ' when repelling mutually with described stem stem magnet 11, described stem stem 6 moves up, thus the tapering point of stem stem 6 and positioning head 1 disengage; and positioning head 1 is got back under the attraction force acts of the magnet of every lobe both sides and is closed up state, limits the external diameter of φ 14.8mm.
In the present embodiment, positioning head 1 is made by stainless steel, and it also can be made by any suitable similar material certainly.
The operating process of solidified holding tray of the present invention is described below.
Referring to Fig. 5, in the bonding process of making the double-decker disc, with the internal diameter of two centre bores is the monolithic L0 of φ 15mm, after L1 is coated with glue bond, at first be arranged on the solidified holding tray 10 at dish-feeding port P1 place, at this moment, control deflection device 8 in a state of nature, CD is in (see figure 6) on the not open positioning head 1 that non-magnet attracts, spring is stretched out, external diameter is φ 14.8mm.Solidify rotating disk 9 rotations then, will have the solidified holding tray 10 of wanting Solidizing optical disc and be sent to UV curing station P3.
In the way of being sent to UV curing station P3, the control deflection device 8 twice through being fixed on substrate magnet 12 on the substrate 13 ', 12 " (see figure 5) because substrate magnet 12 '; 12 " polarity opposite with the polarity of stem stem magnet 11, thereby the generation attraction, pulling stem stem 6 and therefore Mandrel seat 3 move down, spring 14 is compressed, thereby the tapering point of stem stem 6 pulling positioning head, make positioning head 1 be flared to the state (see figure 7) that external diameter is φ 15mm, force two monolithic L0, the centre bore of L1 is coaxial.Like this, when disc arrives UV curing station P3, eliminated the offset error of two monolithic centre bores, avoided offset error by disc two information faces of bonding process introducing.
Solidify the station place at UV, disc is cured, and is sent to then to shift to get dish station P2 place.In transport process, because stem stem magnet 11 no longer is subjected to the effect of substrate magnet, so stem stem 6 no longer applies power to spring 14, and spring 14 is released, and upwards promotes stem stem 6 and Mandrel seat 3 by self compression elasticity.Simultaneously, control deflection device 8 is through being fixed on the substrate magnet 12 on the substrate 13 " ' (see figure 5); because substrate magnet 12 " ' polarity opposite with the polarity of stem stem magnet 11, thereby generation repulsive force, promoting stem stem 6 moves up, thereby the tapering point of stem stem 6 and positioning head 1 disengage, and no longer positioning head 1 are applied power.Like this, get back under the attraction force acts of positioning head 1 by the magnet of every lobe both sides external diameter be φ 14.8mm close up the state (see figure 8).Thereby, can successfully take disc away, transfer to next station and carry out follow-up processing.
The work of the centre bore bonding excursion error of The whole control double-decker disc is finished by above action, and be in the process that disc transmits between different station, to finish fully, therefore need not to increase new time loss, guaranteed original production efficiency of production system, and eliminated the offset error of the disc centre bore that two monolithic centre bores introduce simultaneously in bonding process.Therefore has tangible technique effect.
What should be understood that is; under the prerequisite that does not break away from spirit of the present invention and principal character; the present invention can have multiple implementation and not be subject to any details of embodiment described above; therefore; unless done special appointment, should in the spirit and scope of appended claims, make extensibility and explain, thereby all dropped on variation or improvement in claim and the bounds to the present invention; perhaps the equivalence on these requirements and border all is considered to drop within protection scope of the present invention.
Claims (7)
1. solidified holding tray, this solidified holding tray is arranged on and solidifies on the rotating disk, this curing rotating disk is arranged on the top of substrate and spaced apart with substrate revolvably, this solidified holding tray comprises that one has the carrier of centre bore, be used to carry the CD that will be cured, it is characterized in that: described solidified holding tray also comprises a control deflection device, is used to control the bonding offset error of the centre bore of double-decker CD, and this control deflection device comprises:
Sleeve, an end opening of this sleeve, another relative bottom sealing and have centre bore;
Positioning head, the lower end of this positioning head are arranged in the openend of sleeve, and this positioning head can wherein, close up state closing up activity between state and the open configuration, and positioning head limits the external diameter of φ 14.8mm, and at open configuration, positioning head limits the external diameter of φ 15mm;
Friction top is used for sleeve and positioning head are fixed in the centre bore of carrier;
Mandrel seat, it is arranged in the sleeve, with the lower end adjacency of positioning head, and is held in place by the spring that is arranged on this Mandrel seat lower end;
Stem stem, it passes the centre bore and the Mandrel seat setting of sleeve bottom, and the diameter of this stem stem increases end and is arranged in the positioning head, and its other end is positioned at bottom outside of sleeve and is provided with stem stem magnet;
The magnet holder, it is arranged on the described substrate, is used for fixing substrate magnet, this substrate magnet is corresponding with described stem stem magnet, and can pass through magnetic interaction, thereby stem stem and Mandrel seat are moved up and down, and compress and discharge the described spring that is arranged in the sleeve.
2. solidified holding tray according to claim 1 is characterized in that: described positioning head is the three-clove style structure, and every lobe both sides are provided with the magnet that attracts mutually with adjacent petals.
3. solidified holding tray according to claim 1 and 2, it is characterized in that: described substrate magnet is three, wherein on the substrate that two are arranged between gluing adhesive stations and the UV curing station, a transfer that is arranged on after the UV curing station is got on the substrate at dish station place.
4. solidified holding tray according to claim 3, it is characterized in that: when described substrate magnet and described stem stem magnet attract each other, described stem stem and Mandrel seat move down the compression spring, thereby positioning head is opened to limit the external diameter of φ 15mm, when described substrate magnet and described stem stem magnet repel mutually, described stem stem moves up, thereby positioning head is closed up to limit the external diameter of φ 14.8mm.
5. solidified holding tray according to claim 3 is characterized in that: described positioning head is formed by stainless steel.
6. solidified holding tray according to claim 3 is characterized in that: the diameter of described stem stem increases end and is taper.
7. solidified holding tray according to claim 5 is characterized in that: the diameter of described stem stem increases end and is taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610164242XA CN101195289B (en) | 2006-12-05 | 2006-12-05 | Solidified holding tray capable of controlling bonding excursion of center hole of double-layer optical disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610164242XA CN101195289B (en) | 2006-12-05 | 2006-12-05 | Solidified holding tray capable of controlling bonding excursion of center hole of double-layer optical disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101195289A CN101195289A (en) | 2008-06-11 |
| CN101195289B true CN101195289B (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610164242XA Expired - Fee Related CN101195289B (en) | 2006-12-05 | 2006-12-05 | Solidified holding tray capable of controlling bonding excursion of center hole of double-layer optical disk |
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| Country | Link |
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| CN (1) | CN101195289B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006185472A (en) * | 2004-12-27 | 2006-07-13 | Alpine Electronics Inc | Disk device |
| CN1830662A (en) * | 2005-12-26 | 2006-09-13 | 东莞宏威数码机械有限公司 | Binding method and device used for manufacturing DVD optical disk |
-
2006
- 2006-12-05 CN CN200610164242XA patent/CN101195289B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006185472A (en) * | 2004-12-27 | 2006-07-13 | Alpine Electronics Inc | Disk device |
| CN1830662A (en) * | 2005-12-26 | 2006-09-13 | 东莞宏威数码机械有限公司 | Binding method and device used for manufacturing DVD optical disk |
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| Publication number | Publication date |
|---|---|
| CN101195289A (en) | 2008-06-11 |
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