CN1072097C - Disc molding die - Google Patents
Disc molding die Download PDFInfo
- Publication number
- CN1072097C CN1072097C CN97112452A CN97112452A CN1072097C CN 1072097 C CN1072097 C CN 1072097C CN 97112452 A CN97112452 A CN 97112452A CN 97112452 A CN97112452 A CN 97112452A CN 1072097 C CN1072097 C CN 1072097C
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- die cavity
- thickness
- guided rings
- movable
- contained
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Abstract
In a wafer forming mould, a fixed bottom board is installed on a fixed pressing board, and a fixed mirror surface board is installed on the fixed bottom board. Furthermore, a movable bottom board is installed on a movable pressing board, a movable mirror surface board is installed on the movable bottom board, a fixed guiding ring is installed on the fixed bottom board so as to hitch the fixed mirror surface board, and a movable guiding ring is installed on the movable bottom board so as to hitch the movable mirror surface board. When the mould is clamped, the movable guiding ring is abutted on the fixed guiding ring, and a detachable die cavity ring is installed on one of the fixed mirror surface board and the movable mirror surface board and protrudes toward the other board. In addition, an abutting position regulation member regulates the abutting position of the movable guiding ring on the fixed guiding ring according to the thickness of the die cavity ring, and thus, the thickness of a die cavity can be changed without necessities for replacing the mirror surface boards.
Description
The present invention relates to disc molding die.
Usually, when a molded product in the injection molding machine, resin is delivered to the die cavity that a mould is injected in heating in the heating cylinder, fusing back.Molten resin cools off, is solidified into mechanograph then.
When product to be molded was circular light guide substrate and so on disk, resin was delivered to the die cavity of heating in the heating cylinder, fusing back injection one disc molding die.Molten resin cools off, is solidified into mechanograph then.
Disc molding die is made of a fixed mould assembly and a moveable die assembly.One mold clamping apparatus make the moveable die assembly a movable mirror panel and fixed mould assembly a fixed mirror panel against with separate, thereby close mold, clamping mold and open mould.
But, in existing disc molding die, when the disk of molded different-thickness, must change mirror board.
Therefore, be necessary for every kind of disk and make mirror board.In addition, because disk needs good optical characteristics, the precision of mirror board, for example surface smoothness and dimensional accuracy must be very high.Thereby improved the cost of disc molding die and made the disc molding die man-hours requirement.
And, in order to change mirror board, must carry out following operation: at first, fixed mould assembly and moveable die assembly are pulled down back replacing mirror board from mold clamping apparatus.Then on fixed mould assembly and moveable die assembly are from new clothes to the mold clamping apparatus.In addition, change mirror board also need to take apart with from new water pipe and tracheae or the like of being connected.Therefore, it is very complicated and greatly reduce the productivity ratio of injection molding machine to change the operation of mirror board.
The objective of the invention is to solve the problems referred to above of existing disc molding die; Thereby providing a kind of need not to make various mirror boards for various disks and reduces cost, when shortening worker and the disc molding die of the productivity ratio that improves this injection molding machine of simplifying the operation.
For achieving the above object, disc molding die of the present invention comprises a fixation clip; But one is placed to over against this fixation clip and the dynamic pressure plate that can be moved forward and backward by a mold clamping apparatus; One is contained in the fixed base plate on this fixation clip; But one is contained in the movable floor on this dynamic pressure plate; One is contained in the fixed mirror panel on this fixed base plate; One is contained in the movable mirror panel on this movable floor; One is contained on this fixed base plate and entangles the fixed guide ring of this fixed mirror panel; One be contained on this movable floor and entangle this movable mirror panel, when mold cramping against the movable guided rings of this fixed guide ring; One can be contained in one of fixing and movable mirror panel with unloading goes up and the die cavity ring of and movable mirror panel projection fixing to another; And the rest position regulating part of regulating the rest position of movable guided rings on the fixed guide ring according to the thickness of this die cavity ring.
But when mold clamping apparatus reach dynamic pressure plate, be contained in die cavity ring on one of fixing and movable mirror panel and be resisted against on another fixing and movable mirror panel and form a die cavity.
When changing the die cavity ring of different-thickness, the rest position regulating part is regulated the rest position of two guided rings according to the thickness of the die cavity ring on the new clothes.Therefore need not to change mirror board can change die cavity thickness.
Owing to need not to make various mirror boards, so the cost of disc molding die descends the shortening of manufacturing disc molding die man-hours requirement for various disks.
In addition, need not to pull down the fixing different fixing and moveable die assembly of loading onto with the moveable die assembly, also need not to take apart and be connected the rest position that water pipe and tracheae or the like can be regulated two guided rings with the rest position regulating part from new from mold clamping apparatus.So simplified control, the productivity ratio of this injection molding machine improves.
In another disc molding die of the present invention, this rest position regulating part is one can be inserted in the guided rings pad between guided rings and the base plate with unloading.
In this case, when changing the die cavity ring of different-thickness, can load onto or unload the guided rings pad according to the thickness of the die cavity ring of newly changing.Thereby need not to change mirror board and can change die cavity thickness.
In another disc molding die of the present invention, this rest position regulating part is one can be inserted in the guided rings pad between two guided rings with unloading.
In this case, when changing the die cavity ring of different-thickness, can load onto or unload the guided rings pad according to the thickness of the die cavity ring of newly changing.Thereby need not to change mirror board and can change die cavity thickness.
Another disc molding die of the present invention comprises a fixation clip; But one is placed to over against this fixation clip and the dynamic pressure plate that can be moved forward and backward by a mold clamping apparatus; One is contained in the fixed base plate on this fixation clip; But one is contained in the movable floor on this dynamic pressure plate; One is contained in the fixed mirror panel on this fixed base plate; One is contained in the movable mirror panel on this movable floor; One is contained on this fixed base plate and entangles the fixed guide ring of this fixed mirror panel; One be contained on this movable floor and entangle this movable mirror panel, when mold cramping against the movable guided rings of this fixed guide ring; One can be contained in one of fixing and movable mirror panel with unloading goes up and the die cavity ring of and movable mirror panel projection fixing to another.
The guided rings of changing different-thickness according to the thickness of die cavity ring is regulated the rest position of this guided rings.
In this case, when changing the die cavity ring of different-thickness, change one of guided rings according to the thickness of the die cavity ring of newly changing.Thereby need not to change mirror board and can change die cavity thickness.
Thereby can know in conjunction with the accompanying drawings and find out structure and the feature of better understanding disc molding die of the present invention, in the accompanying drawing:
Fig. 1 is the profile of the disc molding die of first embodiment of the invention;
Fig. 2 illustrates first state of the rest position regulating part in the first embodiment of the invention;
Fig. 3 illustrates second state of the rest position regulating part in the first embodiment of the invention;
Fig. 4 illustrates first state of the disc molding die of second embodiment of the invention;
Fig. 5 illustrates second state of the disc molding die of second embodiment of the invention;
Fig. 6 illustrates first state of the rest position regulating part in the third embodiment of the invention;
Fig. 7 illustrates second state of the rest position regulating part in the third embodiment of the invention;
Fig. 8 illustrates first state of the rest position regulating part in the fourth embodiment of the invention;
Fig. 9 illustrates second state of the rest position regulating part in the fourth embodiment of the invention;
Figure 10 illustrates first state of the rest position regulating part in the fifth embodiment of the invention;
Figure 11 illustrates second state of the rest position regulating part in the fifth embodiment of the invention.
Below in conjunction with accompanying drawing in detail various embodiments of the present invention are described in detail.
Fig. 1 is the profile of the disc molding die of first embodiment of the invention.
In Fig. 1, label 12 expressions one usefulness bolt is contained in the fixed mould assembly on the unshowned fixation clip.This fixed mould assembly 12 comprises that a base plate 15, a usefulness bolt 17 are fixed on mirror board 16, on the base plate 15 and entangle mirror board 16 and be fixed on fixation clip that guided rings 18, on the base plate 15 is positioned at base plate 15 with bolt 19 and make the locating ring 23 and of base plate 15 relative fixed pressing plates location be positioned at sprue bush 24 by the locating ring 23 on one side.
The center of this sprue bush 24 has one for the running channel of crossing from the resin flow of a unshowned nozzle injection 26.This sprue bush 24 is placed to its top over against die cavity C, and a blanking die 28 is arranged on the end face of this sprue bush 24.
In addition, also have unshowned pressuring template to adorn/unload sleeve pipe, fixed edge air-flow sleeve pipe or the like on this fixed mould assembly 12.
But label 32 expressions one usefulness bolt is contained in the moveable die assembly on the unshowned dynamic pressure plate.This moveable die assembly 32 comprises that but a base plate 35, a usefulness bolt 37 are fixed on intermediate plate 40, a usefulness bolt 42 on the base plate 35 and are fixed on mirror board 36, on the intermediate plate 40 and entangle mirror board 36 and be fixed on that guided rings 38, on the intermediate plate 40 is arranged in base plate 35 and also be fixed on cylinder 44 and on the base plate 35 by cylinder 44 moves forward and backward, its shape is corresponding with blanking die jumper bar 48 with bolt 45 over against dynamic pressure plate with bolt 39.
In addition, mirror board 36 has a die cavity ring 71 that is enclosed within on this surface excircle on the surface of mirror board 16.The unshowned dimension that is bolted on the mirror board 36 and equals the thickness of disk to be molded to mirror board 16 projections one of these die cavity ring 71 usefulness.Thereby the inner radial of this die cavity ring 71 forms a lower concave part.When making this die cavity ring 71 against mirror board 16 when with a unshowned mold clamping apparatus but dynamic pressure plate being shifted to fixation clip, this lower concave part forms die cavity C.
One piston 51 of making one with jumper bar 48 can move around in cylinder 44.There is a grease chamber back of piston 51 (but dynamic pressure plate on one side).There is the jumper bar back-moving spring 52 of a back push piston 51 front of piston 51 (above among Fig. 1).
In the disc molding die of said structure, but when with mold clamping apparatus dynamic pressure plate being shifted to fixation clip, guided rings 38 overlaps with guided rings 18, thereby makes die cavity ring 71 and mirror board 16 centerings, thus clamping mold.After the mold cramping, molten resin injects die cavity C through running channel 26, cools off, is solidified into mechanograph then.
For guided rings 38 is overlapped as mentioned above with guided rings 18, an annular projection 18a is arranged on the excircle of guided rings 18, and an annular projection 38a is arranged on the inner periphery of guided rings 38.
Then, when promoting (upwards promoting among Fig. 1) piston 51 forward to above-mentioned grease chamber fuel feeding, jumper bar 48 travels forward, thereby the top of jumper bar 48 enters blanking die 28.Thereby form a hole on the mechanograph in die cavity C, thereby on this disk, go out a centre bore.
Also have unshowned stripper sleeve, stripper pin, movable side air-flow sleeve or the like on the moveable die assembly 32.
The groove 61 that suitable type is arranged on the surface of base plate 15 at mirror board 16.These grooves 61 are covered by base plate 15 and form cooling water channel 62.Cooling water channel 62 is through water inlet manifold 63 and go out water manifold 64 and be communicated with a unshowned cooling water pipeline.
Equally, at the groove 66 that suitable type is arranged on the surface of intermediate plate 40 of mirror board 36.These grooves 66 are covered by intermediate plate 40 and form cooling water channel 67.Cooling water channel 67 is through water inlet manifold 68 and go out water manifold 69 and be communicated with this unshowned cooling water pipeline.
For preventing cooling water, encircle with O shape and seal from cooling water channel 62 and 67, water inlet manifold 63 and 68 and go out water manifold 64 and 69 to spill.
In the disc molding die of said structure, mirror board 36, jumper bar 48 that need not to change the mirror board 16, blanking die 28 or the like of fixed mould assembly 12 and moveable die assembly 32 or the like can be molded into the disk of different-thickness.For this reason, can change the thickness of die cavity ring 71 and regulate rest position between the guided rings 18 and 38 according to the thickness of die cavity ring 71 with the rest position regulating part.
Fig. 2 illustrates first state of the rest position regulating part in the first embodiment of the invention; Fig. 3 illustrates second state of the rest position regulating part in the first embodiment of the invention.
In these accompanying drawings, label 15 and 35 expression base plates, label 16 and 36 expression mirror boards, label 18 and 38 expression guided rings, label 71a represents thick type die cavity ring, label 71b represents slim die cavity ring, and label 72 expressions one guided rings pad.This guided rings pad 72 is as the rest position regulating part.
When wanting molded thick disk, as shown in Figure 2, die cavity ring 71a is installed on the mirror board 36 and guided rings pad 72 is inserted between guided rings 38 and the base plate 35.Therefore die cavity ring 71a increases from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t1.
When wanting molded thin discs, as shown in Figure 3, die cavity ring 71b is installed on the mirror board 36 and make guided rings 38 against base plate 35.Therefore die cavity ring 71b reduces from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t2.
As mentioned above, when die cavity ring 71a that uses different-thickness and 71b, the rest position between the guided rings 18 and 38 is regulated according to the thickness of die cavity ring 71a or 71b by guided rings pad 72.Therefore need not to change the thickness that mirror board 16 and 36 can change die cavity C.
Owing to need not to make various mirror boards 16 and 36, so the cost of disc molding die descends the shortening of manufacturing disc molding die man-hours requirement for various disks.
In addition, need not to pull down fixing and moveable die assembly 12 is loaded onto different fixing and moveable die assemblies with 32, also need not to take apart and can place guided rings pad 72 from new water pipe and tracheae or the like of being connected from mold clamping apparatus.So simplified control, the productivity ratio of this injection molding machine improves.
The following describes second embodiment of the invention.
Fig. 4 illustrates first state of the disc molding die of second embodiment of the invention; Fig. 5 illustrates second state of the disc molding die of second embodiment of the invention.
In these accompanying drawings, label 15 and 35 expression base plates, label 16 and 36 expression mirror boards, label 18 expression guided rings, label 38a represents thick type guided rings, and label 38b represents slim guided rings, and label 71a represents thick type die cavity ring, and label 71b represents slim die cavity ring.
When wanting molded thick disk, as shown in Figure 4, die cavity ring 71a is installed on the mirror board 36 and guided rings 38a is installed on the base plate 35.Therefore die cavity ring 71a increases from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t1.
When wanting molded thin discs, as shown in Figure 5, die cavity ring 71b is installed on the mirror board 36 and guided rings 38b is installed on the base plate 35.Therefore die cavity ring 71b reduces from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t2.
The following describes third embodiment of the invention.
Fig. 6 illustrates first state of the rest position regulating part in the third embodiment of the invention; Fig. 7 illustrates second state of the rest position regulating part in the third embodiment of the invention.
In these accompanying drawings, label 15 and 35 expression base plates, label 16 and 36 expression mirror boards, label 18 and 38 expression guided rings, label 71a represents thick type die cavity ring, label 71b represents slim die cavity ring, and label 73 expressions one guided rings pad.This guided rings pad 73 is as the rest position regulating part.
When wanting molded thick disk, as shown in Figure 6, die cavity ring 71a is installed on the mirror board 36 and guided rings pad 73 is inserted between guided rings 18 and the base plate 15.Therefore die cavity ring 71a increases from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t1.
When wanting molded thin discs, as shown in Figure 7, die cavity ring 71b is installed on the mirror board 36 and make guided rings 18 against base plate 15.Therefore die cavity ring 71b reduces from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t2.
The following describes fourth embodiment of the invention.
Fig. 8 illustrates first state of the rest position regulating part in the fourth embodiment of the invention; Fig. 9 illustrates second state of the rest position regulating part in the fourth embodiment of the invention.
In these accompanying drawings, label 15 and 35 expression base plates, label 16 and 36 expression mirror boards, label 18a represents a thick type guided rings, and label 18b represents a slim guided rings, label 38 expression guided rings, label 71a represents thick type die cavity ring, and label 71b represents slim die cavity ring.Guided rings 18a and 18b are as the rest position regulating part.
When wanting molded thick disk, as shown in Figure 8, die cavity ring 71a is installed on the mirror board 36 and guided rings 18a is installed on the base plate 15.Therefore die cavity ring 71a increases from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t1.
When wanting molded thin discs, as shown in Figure 9, die cavity ring 71b is installed on the mirror board 36 and guided rings 18b is installed on the base plate 15.Therefore die cavity ring 71b reduces from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t2.
The following describes fifth embodiment of the invention.
Figure 10 illustrates first state of the rest position regulating part in the fifth embodiment of the invention; Figure 11 illustrates second state of the rest position regulating part in the fifth embodiment of the invention.
In these accompanying drawings, label 15 and 35 expression base plates, label 16 and 36 expression mirror boards, label 18 and 38 expression guided rings, label 71a represents thick type die cavity ring, label 71b represents slim die cavity ring, and label 74a represents that a thick type guided rings pad and label 74b represent a slim guided rings pad.Guided rings pad 74a and 74b are as the rest position regulating part.
When wanting molded thick disk, as shown in figure 10, die cavity ring 71a is installed on the mirror board 36 and guided rings pad 74a is installed on the guided rings 18.Therefore die cavity ring 71a increases from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t1.
When wanting molded thin discs, as shown in figure 11, die cavity ring 71b is installed on the mirror board 36 and guided rings pad 74b is installed on the guided rings 18.Therefore die cavity ring 71b reduces from the projection amount on the mirror board 36, thereby the thickness of die cavity C becomes t2.
The present invention is not limited to the foregoing description.Can make all corrections and change to the present invention in spirit of the present invention, these corrections and change are all within the scope of the invention.
Claims (4)
1, a kind of disc molding die is characterized in that comprising:
(a) fixation clip;
(b) but one be placed to over against described fixation clip and the dynamic pressure plate that can move forward and backward by a mold clamping apparatus;
(c) fixed base plate that is contained on the described fixation clip;
(d) but one be contained in the movable floor on the described dynamic pressure plate;
(e) a fixed mirror panel that is contained on the described fixed base plate;
(f) a movable mirror panel that is contained on the described movable floor;
(g) one be contained on the described fixed base plate and entangle the fixed guide ring of described fixed mirror panel;
(h) one be contained on the described movable floor and entangle described movable mirror panel, against described fixed guide ring and the accurate movable guided rings of matched moulds when mold cramping;
(i) one can be contained in that one of described fixing and movable mirror panel is gone up and to the die cavity ring of another described fixing and movable mirror panel projection, this die cavity ring has and the corresponding thickness of die cavity space thickness with unloading; And
(j) according to the thickness of the described die cavity ring that has been mounted and correspondingly regulate the rest position regulating part of the rest position of described movable guided rings on described fixed guide ring.
2, by the described disc molding die of claim 1, it is characterized in that, described rest position regulating part is one can be inserted in the guided rings pad between described guided rings and the described base plate with unloading, and this guided rings pad has the corresponding thickness of thickness with the above-mentioned die cavity ring that has been mounted.
3, by the described disc molding die of claim 1, it is characterized in that, described rest position regulating part is one can be inserted in the guided rings pad between described two guided rings with unloading, and this guided rings pad has the corresponding thickness of thickness with the above-mentioned die cavity ring that has been mounted.
4, a kind of disc molding die is characterized in that comprising:
(a) fixation clip;
(b) but one be placed to over against described fixation clip and the dynamic pressure plate that can move forward and backward by a mold clamping apparatus;
(c) fixed base plate that is contained on the described fixation clip;
(d) but one be contained in the movable floor on the described dynamic pressure plate;
(e) a fixed mirror panel that is contained on the described fixed base plate;
(f) a movable mirror panel that is contained on the described movable floor;
(g) one be contained on the described fixed base plate and entangle the fixed guide ring of described fixed mirror panel;
(h) one be contained on the described movable floor and entangle described movable mirror panel, against described fixed guide ring and the accurate movable guided rings of matched moulds when mold cramping;
(i) one can be contained in that one of described fixing and movable mirror panel is gone up and to the die cavity ring of another described fixing and movable mirror panel projection, this die cavity ring has and the corresponding thickness of die cavity space thickness with unloading; Wherein
(j) change the different described guided rings of a thickness according to the thickness of the described die cavity ring that has been mounted, and the thickness of described guided rings is corresponding with the thickness of the described die cavity ring that has been mounted, to regulate the rest position of described guided rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97112452A CN1072097C (en) | 1997-06-12 | 1997-06-12 | Disc molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97112452A CN1072097C (en) | 1997-06-12 | 1997-06-12 | Disc molding die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1202413A CN1202413A (en) | 1998-12-23 |
| CN1072097C true CN1072097C (en) | 2001-10-03 |
Family
ID=5172269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97112452A Expired - Fee Related CN1072097C (en) | 1997-06-12 | 1997-06-12 | Disc molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1072097C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4392403B2 (en) * | 2005-11-29 | 2010-01-06 | 株式会社浅野研究所 | Thermoforming equipment |
| CN103302771B (en) * | 2013-06-29 | 2015-04-29 | 广州盈光科技股份有限公司 | Guiding structure for manufacturing movable mirror surface of optical disk |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07266378A (en) * | 1994-03-31 | 1995-10-17 | Toshiba Emi Ltd | Mold of optical disc |
| JPH08300421A (en) * | 1995-05-10 | 1996-11-19 | Pioneer Electron Corp | Mold device for optical disk substrate |
| JPH08309804A (en) * | 1995-05-18 | 1996-11-26 | Meiki Co Ltd | Disk mold |
-
1997
- 1997-06-12 CN CN97112452A patent/CN1072097C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07266378A (en) * | 1994-03-31 | 1995-10-17 | Toshiba Emi Ltd | Mold of optical disc |
| JPH08300421A (en) * | 1995-05-10 | 1996-11-19 | Pioneer Electron Corp | Mold device for optical disk substrate |
| JPH08309804A (en) * | 1995-05-18 | 1996-11-26 | Meiki Co Ltd | Disk mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1202413A (en) | 1998-12-23 |
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Granted publication date: 20011003 Termination date: 20100612 |