CN109822865A - A kind of diffraction optical element molding device - Google Patents
A kind of diffraction optical element molding device Download PDFInfo
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- CN109822865A CN109822865A CN201910096156.7A CN201910096156A CN109822865A CN 109822865 A CN109822865 A CN 109822865A CN 201910096156 A CN201910096156 A CN 201910096156A CN 109822865 A CN109822865 A CN 109822865A
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- 238000000465 moulding Methods 0.000 title claims abstract description 50
- 230000003287 optical effect Effects 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 230000003028 elevating effect Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000011797 cavity material Substances 0.000 claims 9
- 238000012856 packing Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007932 molded tablet Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to optical elements to be molded manufacturing field, and in particular to a kind of diffraction optical element molding device.It is room temperature to 250 DEG C that it, which can be used for temperature range, present apparatus demoulding and more mold exchange facilitate easy to operate, it is convenient for changing the mold of different diffraction structures, increase vacuum assisted resin infusion function on the basis of traditional hot-press molding method, mold and molding raw material are heated and kept the temperature in vacuum chamber, and to molding raw material extrusion forming.Technical solution of the present invention includes rack and the elevating mechanism positioned at upper rack, the vacuum chamber mechanism positioned at central rack and moulded board mechanism, and positioned at the demoulding mechanism of frame lower, the moulded board mechanism is set in the vacuum chamber of vacuum chamber mechanism；Elevating mechanism drives the moulded board in moulded board mechanism to move up and down, and the molding hot padding of finishing device, demoulding mechanism is set on the guide rail of the bottom of rack, and realization skids off demoulding.
Description
Technical field
The present invention relates to optical elements to be molded manufacturing field, and in particular to a kind of diffraction optical element molding device.
Background technique
It is small to be pressed and molded its raw material losses, is pressurized uniformly, deformation quantity is small, and internal stress is low, there is higher mechanical performance, special
Not Shi Yongyu must not warpage thin wall product, can also produce wall thickness and differ biggish product, the shrinking percentage of product is small, be suitable for from
It is dynamic to feed and automatically take out product, it is widely used in producing small product.Diffraction optical element has embossment phase knot because of its surface
The characteristics of structure, and the good optical material of plasticity can be selected in certain wavelength bands, therefore be particularly suitable for batch duplicating.With
The development of processing technology and the driving of application demand, it is raw that compression molding is undoubtedly the ideal high-volume of diffraction optical element
One of processing method of production.Because the diffraction structure of diffraction optical element has the characteristics that scale is small, diverse, wanted in mold process
The method of the technological parameter and assistant formation asked also is had nothing in common with each other；Secondly, a kind of stripping means of simplicity are for molding device
Also most important, influence the quality of optical element；Therefore the entire motion structure of device need to rationally design so that it can more have
Effect easily manufactures diffraction optical element.
Summary of the invention
In view of this, the present invention proposes a kind of diffraction optical element molding device, can be used for temperature range be room temperature extremely
250 DEG C, present apparatus demoulding and more mold exchange facilitate easy to operate, the mold of different diffraction structures are convenient for changing, in traditional heat
Increase vacuum assisted resin infusion function on the basis of transfer moulding method, mold and molding raw material are heated and protected in vacuum chamber
Temperature, and to molding raw material extrusion forming.
In order to solve the problems existing in the prior art, the technical scheme is that a kind of diffraction optical element molding device,
Elevating mechanism it is characterized by comprising rack and positioned at upper rack, the vacuum chamber mechanism positioned at central rack and moulded board
Mechanism, and positioned at the demoulding mechanism of frame lower, the moulded board mechanism is set in the vacuum chamber of vacuum chamber mechanism；It rises
Descending mechanism drives the moulded board in moulded board mechanism to move up and down, and the molding hot padding of finishing device, demoulding mechanism is set to machine
On the guide rail of the bottom of frame, realization skids off demoulding.
The elevating mechanism is by lifting upper plate, lifting lower plate and elevator group under the lifting upper plate and lifting
Plate is respectively arranged at the mounting plate on the top of rack or more two sides, and is connected by guide post, and elevator is set to upper rack
On mounting plate, two sides and the guide post of elevator are slidably connected, and drive moving up and down for lifting lower plate.
The vacuum chamber mechanism includes upper vacuum cover, upper vacuum (-tight) housing, molding positioning guide column, lower vacuum cover and lower vacuum
Cover；Vacuum (-tight) housing and lower vacuum (-tight) housing composition vacuum chamber are provided between the upper vacuum cover and lower vacuum cover, described is upper
It is provided with the washer and " O " shape sealing ring and sealing flange for dynamic sealing in the extension end of vacuum cover, is set on upper vacuum (-tight) housing
Venthole is equipped with to be controlled to a vacuum pump；Upper vacuum (-tight) housing outer end bottom symmetrical is fixed with vacuum (-tight) housing connector, and vacuum (-tight) housing connector is set
It is placed on the crossbeam of rack and is flexibly connected by screw rod with it, rotate the knob oscilaltion vacuum (-tight) housing connector of screw rod, make
Upper vacuum (-tight) housing and lower vacuum (-tight) housing open or close；Pressure sensor is provided in lower vacuum cover.
The moulded board mechanism be set to surrounded by upper vacuum cover, upper vacuum (-tight) housing, lower vacuum (-tight) housing and lower vacuum cover it is true
In cavity；The structure of moulded board mechanism is made of upper molding component and lower molding component,
The upper molding component is made of upper cover plate, upper molded plate, upper heating sheet and thermal insulation material one, the lower part setting of upper cover plate
There is Reentrant Cavity, thermal insulation material one is provided on concave inner cavity surface, the open end of Reentrant Cavity is installed with upper molded plate, the upper mold
The upper surface of pressing plate is provided with heating sheet, is provided with boss in the middle part of lower surface；
The lower molding component is made of lower moulded board, lower heating sheet, die bottom plate and insulation sheet two, and the top of lower moulded board is set
It is equipped with Reentrant Cavity, the bottom of Reentrant Cavity is provided with die bottom plate, and the lower part of lower moulded board is provided with lower heating sheet and insulation sheet three,
Insulation sheet two is located on the outer side elevation of lower moulded board；
The lower boss of the upper molded plate is set in the Reentrant Cavity of lower moulded board, is formed between boss end and die bottom plate
Mould pressing cavity；
The top of the upper cover plate is fixed with axis, and the centre bore which passes through the extension end of upper vacuum cover passes through flange and elevator
The connection of lifting lower plate, between the axis and vacuum (-tight) housing upper cover of upper cover plate form dynamic sealing, elevator utilized to realize upper molded plate
Lifting is allowed to form for the mold member raw material pressurization in lower moulded board Reentrant Cavity.
The demoulding mechanism is made of pedestal, guide rail, rack gear, gear and knock-pin；The pedestal is placed in guide rail
On, guide rail is installed on bottom of the frame；The top of pedestal and the lower vacuum cover of vacuum chamber connect；The rack and pinion is set to
In pedestal, knock-pin is connected on rack gear, knock-pin passes through lower vacuum cover and extends upwardly under the die bottom plate into lower moulded board
Side；Sealing spacer ring is provided between knock-pin and lower vacuum cover；Rack and pinion push knock-pin move up and down realize demoulding or
Person replaces die bottom plate.
Upper vacuum (-tight) housing junction is provided with sealing spacer ring to the upper vacuum cover or stop-leak compound is sealed, lower vacuum cover
Lower vacuum (-tight) housing junction is provided with sealing spacer ring or stop-leak compound is sealed.
It is provided with sealing strip at the upper vacuum (-tight) housing and lower vacuum (-tight) housing closure and realizes cavity seal.
Compared with prior art, advantages of the present invention is as follows:
(1) heating surface (area) (HS of the present invention is small, and demoulding is simple, stable structure；
(2) the configuration of the present invention is simple can carry out the manufacture of the optical element of different diffraction surfaces by replacement mold, behaviour does simplicity.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the enlarged drawing of Tu1Zhong moulded board mechanism；
In figure: 1, rack, 2, pedestal, 3, gear, 4, guide rail, 5, rack gear, 6, lower vacuum cover, 7, die bottom plate, 8, sealing strip, 9,
Screw rod, 10, upper heating sheet, 11, vacuum (-tight) housing connector, 12, upper molded plate, 13, upper vacuum (-tight) housing, 14, molding positioning guide column, 15,
Upper vacuum cover, 16, sealing flange, 17, lifting lower plate, 18, guide post, 19, lifting upper plate, 20, elevator, 21, flange, 22, " O "
Shape sealing ring, 23, insulation sheet one, 24, knock-pin, 25, lower vacuum (-tight) housing, 26, knob, 27, lower moulded board, 28, lower heating sheet,
29, upper cover plate, 30, insulation sheet two, 31, insulation sheet three.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The principle of the present invention is: according to the hot press method of traditional polymer, heating, molding coining, heat preservation, pressure maintaining,
Cooling demoulds these steps, to be designed to overall structure.Heating realizes that heating sheet is mounted on using heating sheet
In lower moulded board, molding coining is realized by the spiral lift with self-locking function, by the work of elevator so that
Upper molded plate carries out molding coining and pressure maintaining；Heat-barrier material is enclosed in the heating layer of upper and lower moulded board for keeping the temperature；Wait press
After the completion of print, vacuum (-tight) housing is opened so that intracavitary cooled to room temperature；It by the rack-and-pinion of demoulding mechanism and is pushed away when demoulding
Rod turning knob completely ejects optical element；Carry out the cleaning in mould pressing cavity finally so as to coining next time.
The present embodiment provides a kind of diffraction optical element molding device (referring to Fig. 1 is given), including superposed elevator
Structure, the vacuum chamber mechanism positioned at middle part, moulded board mechanism, and the demoulding mechanism positioned at lower part；Above-mentioned several mechanisms are respectively mounted
In rack 1, elevating mechanism drives the moulded board in moulded board mechanism to move up and down, the molding hot padding of finishing device, molding
Trigger is set up in vacuum chamber mechanism, and bottom is connected with demoulding mechanism, and demoulding mechanism is installed on the guide rail of bottom of the frame, convenient
Skid off demoulding.
The elevating mechanism is made of lifting upper plate 19, lifting lower plate 17 and elevator 20, the lifting upper plate 19
Two sides above and below the mounting plate on the top for being respectively arranged at rack 1 with lifting lower plate 17, and connected by guide post 18, elevator 20 is set
It is placed on the mounting plate on 1 top of rack, two sides and the guide post 18 of elevator 20 are slidably connected, and guide post 18 and lifting upper plate 19 rise
The effect for falling plate 17 is to make the stable drive in transmission of elevator 20, to steadily drive the molding being located at below elevating mechanism
Underdrive on upper molded plate component and upper cover plate component in trigger structure.
The vacuum chamber mechanism includes upper vacuum cover 15, upper vacuum (-tight) housing 13, molding positioning guide column 14,6 and of lower vacuum cover
Lower vacuum (-tight) housing 25；Vacuum (-tight) housing 13 is provided between the upper vacuum cover 15 and lower vacuum cover 6 and 25 groups of lower vacuum (-tight) housing comes true
Plenum chamber, wherein upper vacuum cover 15 is connected with upper vacuum (-tight) housing 13 by screw, there is sealing spacer ring in junction or is coated with stop-leak compound
To guarantee leakproofness；Lower vacuum cover 6 also has sealing spacer ring with lower 25 junction of vacuum (-tight) housing or is coated with stop-leak compound to guarantee leakproofness；
The washer and " O " shape sealing ring 22 and sealing flange for dynamic sealing are provided in the extension end of the upper vacuum cover 15
16, for meeting dynamic sealing when vacuum chamber internal model presser motion, venthole is provided on upper vacuum (-tight) housing 13 and is controlled to a vacuum pump；
It is provided with sealing strip 8 at the upper vacuum (-tight) housing 13 and lower 25 closure of vacuum (-tight) housing and realizes cavity seal；Upper 13 outer end bottom of vacuum (-tight) housing
Portion is symmetrically fixed with vacuum (-tight) housing connector 11, and vacuum (-tight) housing connector 11 is set on the crossbeam of rack 1 and is lived by screw rod 9 with it
Dynamic connection, rotates the 26 oscilaltion vacuum (-tight) housing connector 11 of knob of screw rod 9, is placed on connector 11 to be lifted or fall
Upper vacuum (-tight) housing 13, make vacuum chamber open or close；Pressure sensor is provided in lower vacuum cover 6.
The moulded board mechanism is set to be enclosed by upper vacuum cover 15, upper vacuum (-tight) housing 13, lower vacuum (-tight) housing 25 and lower vacuum cover 6
At vacuum chamber in；The structure of moulded board mechanism is made of upper molding component and lower molding component.
As depicted in figs. 1 and 2: the upper molding component is by upper cover plate 29, upper molded plate 12, upper heating sheet 10 and thermal insulating material
Expect one 23 compositions, the lower part of upper cover plate 29 is provided with Reentrant Cavity, thermal insulation material 1, Reentrant Cavity are provided on concave inner cavity surface
Open end be installed with upper molded plate 12, the upper surface of the upper molded plate 12 is provided with heating sheet 10, sets in the middle part of lower surface
It is equipped with boss；
The lower molding component is by lower moulded board 27, die bottom plate 7, lower heating sheet 28, insulation sheet 2 30 and 3 31 groups of insulation sheet
At the top of lower moulded board 27 is provided with Reentrant Cavity, and the bottom of Reentrant Cavity is provided with die bottom plate 7, the lower part of lower moulded board 27
It is provided with lower heating sheet 28 and insulation sheet 3 31, insulation sheet 2 30 is located on the outer side elevation of lower moulded board 27；
The lower boss of the upper molded plate 12 is set in the Reentrant Cavity of lower moulded board 27, boss end and die bottom plate 7 it
Between form mould pressing cavity, mold member raw material are provided in mould pressing cavity；
The upper surface of the die bottom plate 7, pre-production have the micro-structure corresponding to diffractive phase structure, the phase micro-structure
Can also pre-production in the boss end lower surface of upper molded plate 12；
The top of the upper cover plate 29 is fixed with axis, the axis pass through upper vacuum cover 15 extension end centre bore by flange 21 with
The lifting lower plate 17 of elevator 20 connects, and forms dynamic sealing between the axis and vacuum (-tight) housing upper cover 15 of upper cover plate 29, utilizes elevator
20 realize the lifting of upper molded plate 12, for the mold member raw material pressurization in lower 27 Reentrant Cavity of moulded board, are allowed to form.
The demoulding mechanism is made of pedestal 2, guide rail 4, rack gear 5, gear 3 and knock-pin 24；The pedestal 2 disposes
In on guide rail 4, guide rail 4 is installed on 1 bottom of rack；The top of pedestal 2 and the lower vacuum cover 6 of vacuum chamber connect；Pedestal 2 when demoulding
The lower moulded board 27 that the lower half portion for the vacuum chamber opened can be driven and be located therein is skidded off along guide rail 4 convenient for operation；It is described
Rack gear 5 and gear 3 be set in pedestal 2, be connected with knock-pin 24 on rack gear 5, knock-pin 24 passes through lower vacuum cover 6 and stretches upwards
Enter 7 lower section of die bottom plate into lower moulded board 27；It is close for moving that sealing spacer ring is provided between knock-pin 24 and lower vacuum cover 6
Envelope；Knock-pin 24 is moved up and down by rack gear 5 and the control of 3 component of gear, for demoulding or being convenient for changing die bottom plate 7.
Whole work process of the invention is as follows: by the screw rod 9 on rotary frame by the upper vacuum cover 15 of upper vacuum chamber
It is lifted up opening vacuum chamber with upper vacuum (-tight) housing 13, is skidded off lower moulded board 27 and lower vacuum chamber together along guide rail 4, at this time under
Optical material to be molded is placed in 27 cavity of moulded board, such as PMMA molded tablet, then by lower moulded board 27 and lower vacuum chamber one
Push-in return device center is played, the screw rod 9 in rack is rotated and makes the closure of vacuum (-tight) housing 13 and 25 up and down, vacuum chamber is vacuumized
Afterwards, starting elevator 20 carries out the molding of upper molded plate 12 and lower moulded board 27, to being placed in the intracorporal optical material of moulded board chamber
It is molded.The lifting of elevator can be controlled by the reaction of pressure sensor during molding, in order to avoid elevator pair
Molding device damages；The temperature in mould pressing cavity is fed back according to temperature sensor at this time, when temperature reaches molding temperature
Afterwards, heat-insulation pressure keeping is powered off, device standing is cooled to room temperature after the completion of being molded, and vacuum pump is closed, the breather valve of vacuum pump is opened,
When the pressure of vacuum chamber reaches atmospheric pressure, rotates the screw rod 9 in rack and upper vacuum (-tight) housing 13 is pushed to open vacuum (-tight) housing, pass through
The lower moulded board 27 that the external knob of rotation demoulding mechanism skids off the lower half portion of vacuum chamber along guide rail 4 and is located therein, rotation
Gear 3 moves along a straight line with about 5 carry-over bar, to release knock-pin 24 to eject die bottom plate 7 and element, at the same time
It can also carry out the replacement of mold.To being cleared up in mould pressing cavity after the completion of pickup, to carry out molding manufacture next time.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (7)
1. a kind of diffraction optical element molding device, it is characterised in that: including rack (1) and positioned at the lifting on rack (1) top
Mechanism, the vacuum chamber mechanism and moulded board mechanism being located in the middle part of rack (1), and it is located at the demoulding mechanism of rack (1) lower part, institute
The moulded board mechanism stated is set in the vacuum chamber of vacuum chamber mechanism；Elevating mechanism drives the moulded board in moulded board mechanism or more
Movement, the molding hot padding of finishing device, demoulding mechanism are set on the guide rail of the bottom of rack (1), and realization skids off demoulding.
2. a kind of diffraction optical element molding device according to claim 1, it is characterised in that: the elevating mechanism by
Go up and down upper plate (19), lifting lower plate (17) and elevator (20) composition, the lifting upper plate (19) and lifting lower plate (17) point
It is not set to the mounting plate on the top of rack (1) or more two sides, and is connected by guide post (18), elevator (20) is set to rack
(1) on the mounting plate on top, two sides and the guide post (18) of elevator (20) are slidably connected, and move down in drive lifting lower plate (17)
It is dynamic.
3. a kind of diffraction optical element molding device according to claim 1 or 2, it is characterised in that: the vacuum chamber
Mechanism includes upper vacuum cover (15), upper vacuum (-tight) housing (13), molding positioning guide column (14), lower vacuum cover (6) and lower vacuum (-tight) housing (25)；
Vacuum (-tight) housing (13) and lower vacuum (-tight) housing (25) composition vacuum chamber are provided between the upper vacuum cover (15) and lower vacuum cover (6)
Room is provided in the extension end of the upper vacuum cover (15) for the washer and " O " shape sealing ring (22) of dynamic sealing and close
It seals flange (16), is provided with venthole on upper vacuum (-tight) housing (13) and is controlled to a vacuum pump；Upper vacuum (-tight) housing (13) outer end bottom symmetrical is solid
Surely have vacuum (-tight) housing connector (11), vacuum (-tight) housing connector (11) is set on the crossbeam of rack (1) and is lived by screw rod (9) with it
Dynamic connection, rotates knob (26) the oscilaltion vacuum (-tight) housing connector (11) of screw rod (9), makes vacuum (-tight) housing (13) and lower vacuum (-tight) housing
(25) open or close；Pressure sensor is provided in lower vacuum cover (6).
4. a kind of diffraction optical element molding device according to claim 3, it is characterised in that: the moulded board mechanism
It is set in the vacuum chamber surrounded by upper vacuum cover (15), upper vacuum (-tight) housing (13), lower vacuum (-tight) housing (25) and lower vacuum cover (6)；Mould
The structure of press plate mechanism is made of upper molding component and lower molding component,
The upper molding component is made of upper cover plate (29), upper molded plate (12), upper heating sheet (10) and thermal insulation material one (23),
The lower part of upper cover plate (29) is provided with Reentrant Cavity, and thermal insulation material one (23), the opening of Reentrant Cavity are provided on concave inner cavity surface
End is installed with upper molded plate (12), and the upper surface of the upper molded plate (12) is provided with heating sheet (10), is set in the middle part of lower surface
It is equipped with boss；
The lower molding component is made of lower moulded board (27), lower heating sheet (28), die bottom plate (7) and insulation sheet two (30),
The top of lower moulded board (27) is provided with Reentrant Cavity, and the bottom of Reentrant Cavity is provided with die bottom plate (7), under lower moulded board (27)
Portion is provided with lower heating sheet (28) and insulation sheet three (31), and insulation sheet two (30) is located on the outer side elevation of lower moulded board (27)
On；
The lower boss of the upper molded plate (12) is set in the Reentrant Cavity of lower moulded board (27), boss end and die bottom plate
(7) mould pressing cavity is formed between；
The top of the upper cover plate (29) is fixed with axis, and the centre bore which passes through the extension end of upper vacuum cover (15) passes through flange
(21) it is connect with the lifting lower plate (17) of elevator (20), formation is moved close between the axis and vacuum (-tight) housing upper cover (15) of upper cover plate (29)
Envelope realizes the lifting of upper molded plate (12), using elevator (20) for the mold member former material in lower moulded board (27) Reentrant Cavity
Material pressurization, is allowed to form.
5. a kind of diffraction optical element molding device according to claim 4, it is characterised in that: the demoulding mechanism by
Pedestal (2), guide rail (4), rack gear (5), gear (3) and knock-pin (24) composition；The pedestal (2) is placed on guide rail (4),
Guide rail (4) is installed on rack (1) bottom；The top of pedestal (2) and the lower vacuum cover (6) of vacuum chamber connect；The rack gear (5)
It is set in pedestal (2), is connected on rack gear (5) knock-pin (24) with gear (3), knock-pin (24) passes through lower vacuum cover (6)
It extends upwardly into below the die bottom plate (7) into lower moulded board (27)；It is provided between knock-pin (24) and lower vacuum cover (6) close
Packing circle；Rack gear (5) and gear (3) push knock-pin (24) to move up and down and realize demoulding or replacement die bottom plate (7).
6. a kind of diffraction optical element molding device according to claim 5, it is characterised in that: the upper vacuum cover
(15) it is provided with sealing spacer ring with upper vacuum (-tight) housing (13) junction or stop-leak compound is sealed, lower vacuum cover (6) and lower vacuum (-tight) housing
(25) junction is provided with sealing spacer ring or stop-leak compound is sealed.
7. a kind of diffraction optical element molding device according to claim 6, it is characterised in that: the upper vacuum (-tight) housing
(13) and at lower vacuum (-tight) housing (25) closure sealing strip (8) are provided with and realize cavity seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910096156.7A CN109822865B (en) | 2019-01-31 | 2019-01-31 | Diffraction optical element molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910096156.7A CN109822865B (en) | 2019-01-31 | 2019-01-31 | Diffraction optical element molding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109822865A true CN109822865A (en) | 2019-05-31 |
| CN109822865B CN109822865B (en) | 2021-04-06 |
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ID=66862005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910096156.7A Active CN109822865B (en) | 2019-01-31 | 2019-01-31 | Diffraction optical element molding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109822865B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085428A (en) * | 2021-04-13 | 2021-07-09 | 霖鼎光学(上海)有限公司 | Stamping demolding device and demolding method based on Van der Waals force |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786418A (en) * | 2015-04-29 | 2015-07-22 | 常渭锋 | Vacuum high-temperature hot pressing molding machine |
| CN207190089U (en) * | 2017-09-29 | 2018-04-06 | 晋江中天模具有限公司 | A kind of spliced tempering footwear mould of thin stock production cutting |
| US20180126608A1 (en) * | 2016-11-09 | 2018-05-10 | National Formosa University | High-temperature hot-pressing molding machine |
-
2019
- 2019-01-31 CN CN201910096156.7A patent/CN109822865B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786418A (en) * | 2015-04-29 | 2015-07-22 | 常渭锋 | Vacuum high-temperature hot pressing molding machine |
| US20180126608A1 (en) * | 2016-11-09 | 2018-05-10 | National Formosa University | High-temperature hot-pressing molding machine |
| CN207190089U (en) * | 2017-09-29 | 2018-04-06 | 晋江中天模具有限公司 | A kind of spliced tempering footwear mould of thin stock production cutting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085428A (en) * | 2021-04-13 | 2021-07-09 | 霖鼎光学(上海)有限公司 | Stamping demolding device and demolding method based on Van der Waals force |
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| Publication number | Publication date |
|---|---|
| CN109822865B (en) | 2021-04-06 |
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Effective date of registration: 20231023 Address after: 710117 Building 8, hard technology enterprise community, No. 3000, Biyuan Second Road, high tech Zone, Xi'an, Shaanxi Province Patentee after: Xi'an zhongkelide Infrared Technology Co.,Ltd. Address before: 710032 No. 2 Xuefu Middle Road, Weiyang District, Xi'an City, Shaanxi Province Patentee before: XI'AN TECHNOLOGICAL University |