CN103240871A - Hot press molding method - Google Patents
Hot press molding method Download PDFInfo
- Publication number
- CN103240871A CN103240871A CN2012100552629A CN201210055262A CN103240871A CN 103240871 A CN103240871 A CN 103240871A CN 2012100552629 A CN2012100552629 A CN 2012100552629A CN 201210055262 A CN201210055262 A CN 201210055262A CN 103240871 A CN103240871 A CN 103240871A
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- Prior art keywords
- hot
- molding method
- press molding
- die cavity
- impression
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000000465 moulding Methods 0.000 title claims description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 21
- 239000004416 thermosoftening plastic Substances 0.000 claims description 21
- 238000013518 transcription Methods 0.000 claims description 17
- 230000035897 transcription Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000010023 transfer printing Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 2
- 238000007639 printing Methods 0.000 abstract 2
- 238000010924 continuous production Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000094396 Bolitoglossa carri Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
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Abstract
The invention discloses a hot-press forming method, which separates a heating device and a pressure transfer printing device which are originally integrated in the traditional hot-press printing process of a light guide plate, can perform heating action outside a mould, and then convey materials into the mould through a conveying means to complete the action of pressure transfer printing, thereby avoiding the influence of uneven temperature of the pressure printing mould, preventing the problem of uneven surface transfer and improving the production yield in mass production.
Description
Technical field
The present invention relates to a kind of hot-press molding method, refer in particular to a kind of utilization and heat in advance, the LGP forming method that then in mould, pressurizes.
Background technology
Known LGP (Light Guide Panel, LGP) thermoforming way mainly is that thing to be imprinted is positioned in the die cavity of an impressing mould, impressing mould comprises first template on a group, each tool one of first template has the impression face of impression optical grains on this, place last first template to have closed this impressing mould in back between the surface that impresses optical grains the impression thing, this moment, last first template can form a sealing die cavity, and the impression thing namely exists in this sealing die cavity, after the impressing mould closure, impressing mould can heat makes the impression thing softening to plastic state, apply pressure to the impression thing by impressing mould again, make impression lines moulding on the impression thing of first template, cooled off the impression thing at last again, impressing mould is opened the back and is taken out the moulding product.
And pressue device of the prior art is with oil pressure, air pressure or other driver are as the source of output pressure, and known heater is that boring arranges the water route on last first template or impressing mould, pass to the heating of hot liquid or cold liquid or cooling impression thing again, and since pressue device and heater for being disposed on the one, and above-mentioned known mode of heating, after all will heating the impressing mould body earlier, via the heat conduction heat energy is reached the impression thing again, the transmission of this kind mode heat energy is easily because the size of impressing mould, the reasons such as size of the position that heating tube or water route are buried underground and impression thing, transmit variable speed and form, and then appearance impression thing is subjected to the uneven influence of impressing mould self-temperature, the problem that causes the transcription inequality, therefore impressing finished product yield in volume production is not easy to promote, so consider for these reasons, design a kind of hot-press molding method, improved in the hope of the disappearance at prior art, and then the enforcement utilization on the enhancement industry.
Summary of the invention
Because above-mentioned known problem, main purpose of the present invention is exactly in that a kind of hot-press molding method that possesses patent requirements such as novelty, creativeness and practicality is provided, in the hope of overcoming the difficult point of prior art.
For achieving the above object, the technology used in the present invention means are a kind of hot-press molding method of design, and it comprises:
A. preheat step, it sees through a heating module and heats action to make it softening to the state that can be impressed for a thermoplastic with the required optical characteristics of LGP; B. carry former material step, it is for will transferring in the impressing mould from this heating module place with a transport module through this thermoplastic that A. preheats after the step, and wherein this impressing mould comprises a mold, a bed die and at least one transcription plate; Wherein this mold can be corresponding and this bed die combination, and form an impression die cavity holding this thermoplastic in wherein surrounding, and this transcription plate is to be located at this impression die cavity interior a upper wall surface, a lower wall surface or a upper wall surface and a lower wall surface place; C. matched moulds step, it is for this mold and this bed die being done corresponding joint matched moulds, this thermoplastic is sealed in this impression die cavity; D. imprint step, it is to allow the upper wall surface of this impression die cavity oppress in this thermoplastic and apply a compressing power; E. the cure step of lowering the temperature, it is for seeing through cooling system default in this impressing mould to reduce the temperature of this impression die cavity; And F. die sinking step, it is after this E. cooling cure step, further this mold is separated with this bed die.
Wherein, dispose in this mold or this bed die and at least onely can impress the vacuum control pipeline that die cavity vacuumizes to this, with control impression and die sinking; Wherein, this thermoplastic is the block of methyl methacrylate or Merlon raw material; Wherein, this heating module is a heating plate; Wherein, this heating module has at least one temperature conditioning unit, and this temperature conditioning unit carries out temperature control with radiant heat or thermal convection current mode; Wherein, this transport module is that a conveyer belt, is seized mobile tool or a mechanical arm on both sides by the arms; Wherein, have a transfer surface on this transcription plate, which is provided with the rag of precision graphic; Wherein, this transcription plate is for impressing the separate type individual member of doing dismounting in the die cavity from this; Wherein, this cooling system is to lower the temperature to mould through liquid temperature or air-flow.
And hot-press molding method of the present invention is to separate through doing with the pressurization transfer device for the heater of one originally in utilizing traditional LGP hot padding processing procedure in design, and the action that can outside mould, heat up earlier, then seeing through a transmission means again delivers into material in the mould, and then finish the pressurization transfer printing action, seeing through so, action cooperates, can make the hot padding processing procedure can not be subjected to the temperature influence of inequality easily of impressing mould itself, cause the transcription inequality on surface and produce product defect, can produce yield aspire to promoting in the volume production, and in order to allow above-mentioned purpose, gain after technical characterictic and actual the enforcement more becomes apparent, in hereinafter assisting a ruler in governing a country corresponding relevant graphic being described in detail with preferable enforcement example.
Description of drawings
Fig. 1 is the schematic flow sheet of hot-press molding method of the present invention.
Fig. 2 is the continuous process action schematic diagram of hot-press molding method of the present invention.
Fig. 3 is the continuous process action schematic diagram of hot-press molding method of the present invention.
Fig. 4 is the continuous process action schematic diagram of hot-press molding method of the present invention.
Fig. 5 is the continuous process action schematic diagram of hot-press molding method of the present invention.
Fig. 6 is the continuous process action schematic diagram of hot-press molding method of the present invention.
[primary clustering symbol description]
10: thermoplastic
20: heating module
30: transport module
40: impressing mould
41: mold
42: bed die
43: the transcription plate
44: the impression die cavity
45: the vacuum control pipeline
A to F: process step
The specific embodiment
Be the effect of understanding inventive features of the present invention, content and advantage and reaching, now with conjunction with figs. of the present invention, and be described in detail as follows with the expression-form of embodiment, and it is wherein employed graphic, its purport only is the usefulness of signal and aid illustration book, may not be the true ratio after the invention process and precisely configuration, so should not limit the invention to claim in the actual enforcement with regard to appended graphic ratio and configuration relation.
Advantage of the present invention, feature and the technical method that reaches are with reference to exemplary embodiments and appended graphic being explained in more detail and be more readily understood, and the present invention or can multi-formly realize, so should do not only not limited to the embodiment of this place statement by understanding, on the contrary, affiliated technical field had know the knowledgeable usually, the embodiment that provides will make this exposure more thoroughly and comprehensively and intactly pass on category of the present invention, and the present invention will only be defined by the claim of being added.
And unless otherwise defined, all are used in hereinafter term (comprising science and technology and scientific terminology) and proper noun, in come down to the present invention under general understand equivalent in meaning of technology personage in this field, and for example should be understood that to have the meaning consistent with the content of association area in defined those terms of general employed dictionary, unless and definition later significantly, bright with not chatting earlier excessively to idealize or excessively formal meaning understanding, to close.
Please cooperate referring to shown in Figure 1, the present invention is for proposing a kind of hot-press molding method, and to improve the volume production of LGP on processing procedure efficiently, it can include following step:
A. preheat step;
B. carry former material step;
C. matched moulds step;
D. imprint step;
E. the cure step of lowering the temperature; And
F. die sinking step.
Please further cooperate referring to shown in Figure 2, it is with a thermoplastic 10 with good optical characteristic that aforesaid A. preheats step, for example this thermoplastic 10 is the block of raw materials such as methyl methacrylate, Merlon, see through a heating module 20 and heat action to make it softening to the state that can be subjected to die marks, and this heating module 20 or can be a heating plate wherein, and this heating module 20 maybe can have at least one temperature conditioning unit, this temperature conditioning unit or can be in modes such as radiant heat or thermal convection currents and carry out temperature control.
Please further cooperate referring to shown in Figure 3, aforesaid B. carries former material step for transferring in the impressing mould 40 from these heating module 20 places with a transport module 30 through this thermoplastic 10 that A. preheats after the step, this transport module 30 maybe may be seized mobile tool or a mechanical arm on both sides by the arms for a conveyer belt,, and wherein this impressing mould 40 comprises a mold 41, a bed die 42 and at least one transcription plate 43; Wherein this mold 41 can correspondingly make up with this bed die 42, and in wherein surrounding formation one impression die cavity 44, and the thermoplastic 10 that this transport module 30 transfers to namely enters this impression die cavity 44, and this transcription plate 43 is for being located at a upper wall surface, a lower wall surface or a upper wall surface and a lower wall surface place of this impression die cavity 44, in graphic, do the case explanation to be disposed at lower wall surface, and has a transfer surface on this transcription plate 43, this transfer surface is provided with the rag of precision graphic, when impressing this precision graphic is done transfer printing; In addition, dispose in this mold 41 or this bed die 42 and at least onely can impress the vacuum control pipeline 45 that die cavity 44 vacuumizes to this.
In addition, this transcription plate 43 or can be and can impress the detachable individual member of doing dismounting in the die cavity 44 from this in a distortion embodiment.
Please further cooperate referring to shown in Figure 4, aforesaid C. matched moulds step is for doing corresponding joint matched moulds with this mold 41 and this bed die 42, with these thermoplastic 10 driving fits in this impresses die cavity (44).
Please further cooperate referring to shown in Figure 5, aforesaid D. imprint step is for seeing through the action of these impression die cavity 44 inside being done vacuum drawn from this vacuum control pipeline 45, and then allow the upper wall surface of this impression die cavity 44 and lower wall surface oppress in this thermoplastic 10 and a compressing power is provided, and then can allow this transfer surface on this transcription plate 43 this thermoplastic 10 be done the impression of precision graphic.
Aforesaid E. cooling cure step is for seeing through cooling system default in this impressing mould 40 to reduce the temperature of this impression die cavity 44, and this cooling is to unite maybe may do the means of mould cooling for seeing through liquid temperature or air-flow, this part is to have in this technical field in the prior art to know that usually the knowledgeable can not have the different known techniques of understanding, so in specification this part is not too much described.
Please further cooperate referring to shown in Figure 6, aforesaid F. die sinking step then is after this E. cooling cure step, further see through this vacuum control pipeline 45 and in impression die cavity 44, inject air, and then abolish vacuum state in this impression die cavity 44, and this mold 41 is separated with this bed die 42, and take out thermoplastic 10 after transfer printing has finished, that is the LGP finished product finished of transfer printing.
Seeing through the clever thought of hot-press molding method of the present invention in design changes, utilization separates doing with the pressurization transfer device for the heater of one originally in traditional LGP hot padding processing procedure, and the action that can outside mould, heat up earlier, then seeing through a transmission means again delivers into material in the mould, and then finish the pressurization transfer printing action, seeing through so, action cooperates, can make the hot padding processing procedure can not be subjected to the temperature influence of inequality easily of impressing mould itself, cause the transcription inequality on surface and produce product defect, can produce yield aspire to promoting in the volume production, for prior art institute can not the person of reaching, so visible its gain property place.
Above-described embodiment only is explanation technological thought of the present invention and characteristics, its purpose makes the personage who has the knack of this skill can understand content of the present invention and is implementing according to this, when can not with restriction claim of the present invention, be that all equalizations of doing according to disclosed spirit change or modification, must be encompassed in the claim scope of the present invention.
Claims (9)
1. hot-press molding method is characterized in that it comprises:
A. preheat step, it sees through a heating module and heats action to make it softening to the state that can be impressed for a thermoplastic with the required optical characteristics of LGP;
B. carry former material step, it is for will transferring in the impressing mould from this heating module place with a transport module through this thermoplastic that A. preheats after the step, and wherein this impressing mould comprises a mold, a bed die and at least one transcription plate; Wherein this mold can be corresponding and this bed die combination, and form an impression die cavity holding this thermoplastic in wherein surrounding, and this transcription plate is to be located at this impression die cavity interior a upper wall surface, a lower wall surface or a upper wall surface and a lower wall surface place;
C. matched moulds step, it is for this mold and this bed die being done corresponding joint matched moulds, this thermoplastic is sealed in this impression die cavity;
D. imprint step, it is to allow the upper wall surface of this impression die cavity oppress in this thermoplastic and apply a compressing power;
E. the cure step of lowering the temperature, it is for seeing through cooling system default in this impressing mould to reduce the temperature of this impression die cavity; And
F. die sinking step, it further separates this mold after this E. cooling cure step with this bed die.
2. hot-press molding method as claimed in claim 1 is characterized in that, disposes in this mold or this bed die at least onely can impress the vacuum control pipeline that die cavity vacuumizes to this, with control impression and die sinking.
3. hot-press molding method as claimed in claim 2 is characterized in that, this thermoplastic is the block of methyl methacrylate or Merlon raw material.
4. hot-press molding method as claimed in claim 3 is characterized in that, this heating module is a heating plate.
5. hot-press molding method as claimed in claim 4 is characterized in that, this heating module has at least one temperature conditioning unit, and this temperature conditioning unit carries out temperature control with radiant heat or thermal convection current mode.
6. hot-press molding method as claimed in claim 5 is characterized in that, this transport module is that a conveyer belt, is seized mobile tool or a mechanical arm on both sides by the arms.
7. hot-press molding method as claimed in claim 6 is characterized in that, has a transfer surface on this transcription plate, which is provided with the rag of precision graphic.
8. hot-press molding method as claimed in claim 7 is characterized in that, this transcription plate is for impressing in the die cavity as the separate type individual member of dismantling at this.
9. hot-press molding method as claimed in claim 8 is characterized in that, this cooling system is to lower the temperature to mould through liquid temperature or air-flow.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101103440A TW201332745A (en) | 2012-02-02 | 2012-02-02 | Heat pressure molding method |
| TW101103440 | 2012-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103240871A true CN103240871A (en) | 2013-08-14 |
Family
ID=48920904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100552629A Pending CN103240871A (en) | 2012-02-02 | 2012-03-05 | Hot press molding method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103240871A (en) |
| TW (1) | TW201332745A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737912A (en) * | 2013-12-31 | 2014-04-23 | 温康纳(常州)机械制造有限公司 | Parting and paving device |
| CN104191603A (en) * | 2014-09-03 | 2014-12-10 | 王道敏 | Forming process for patterns on surfaces of cellulose acetate fiber glasses |
| CN104290233A (en) * | 2014-09-25 | 2015-01-21 | 东莞市乔迪麦贸易有限公司 | Control method of shift mold cooling and heating machine |
| CN107422546A (en) * | 2017-04-21 | 2017-12-01 | 深圳市华星光电技术有限公司 | The preparation method and substrate of Graphene electrodes, display |
| CN111356577A (en) * | 2018-04-27 | 2020-06-30 | 黑田刚司 | Method and apparatus for manufacturing three-dimensional decorative sheet made of thermoplastic synthetic resin |
| CN113858864A (en) * | 2021-08-31 | 2021-12-31 | 厦门鹏茂机械设备有限公司 | Manufacturing method of packaging hose body with three-dimensional pattern |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01258919A (en) * | 1987-11-12 | 1989-10-16 | Saint Gobain Vitrage | Manufacture and device for optical high-quality plastic sheet |
| TWI247944B (en) * | 2000-08-23 | 2006-01-21 | Keun-Chang Yang | Manufacturing device and manufacturing method for light guide board of flat panel lighting device |
| CN101780699A (en) * | 2009-01-20 | 2010-07-21 | 晟铭电子科技股份有限公司 | Microstructure forming device and method and light guide plate thereof |
-
2012
- 2012-02-02 TW TW101103440A patent/TW201332745A/en unknown
- 2012-03-05 CN CN2012100552629A patent/CN103240871A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01258919A (en) * | 1987-11-12 | 1989-10-16 | Saint Gobain Vitrage | Manufacture and device for optical high-quality plastic sheet |
| TWI247944B (en) * | 2000-08-23 | 2006-01-21 | Keun-Chang Yang | Manufacturing device and manufacturing method for light guide board of flat panel lighting device |
| CN101780699A (en) * | 2009-01-20 | 2010-07-21 | 晟铭电子科技股份有限公司 | Microstructure forming device and method and light guide plate thereof |
Non-Patent Citations (1)
| Title |
|---|
| 江源 等: "《光纤照明及应用》", 31 March 2009, article "导光板背光源" * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737912A (en) * | 2013-12-31 | 2014-04-23 | 温康纳(常州)机械制造有限公司 | Parting and paving device |
| CN103737912B (en) * | 2013-12-31 | 2016-03-02 | 温康纳(常州)机械制造有限公司 | Segmentation laying device |
| CN104191603A (en) * | 2014-09-03 | 2014-12-10 | 王道敏 | Forming process for patterns on surfaces of cellulose acetate fiber glasses |
| CN104290233A (en) * | 2014-09-25 | 2015-01-21 | 东莞市乔迪麦贸易有限公司 | Control method of shift mold cooling and heating machine |
| CN107422546A (en) * | 2017-04-21 | 2017-12-01 | 深圳市华星光电技术有限公司 | The preparation method and substrate of Graphene electrodes, display |
| CN111356577A (en) * | 2018-04-27 | 2020-06-30 | 黑田刚司 | Method and apparatus for manufacturing three-dimensional decorative sheet made of thermoplastic synthetic resin |
| CN111356577B (en) * | 2018-04-27 | 2022-03-15 | 黑田刚司 | Method and apparatus for manufacturing three-dimensional decorative sheet made of thermoplastic synthetic resin |
| US11718043B2 (en) | 2018-04-27 | 2023-08-08 | Takeshi Kuroda | Production method and production device for three-dimensional decorative piece made of thermoplastic synthetic resin |
| CN113858864A (en) * | 2021-08-31 | 2021-12-31 | 厦门鹏茂机械设备有限公司 | Manufacturing method of packaging hose body with three-dimensional pattern |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201332745A (en) | 2013-08-16 |
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Application publication date: 20130814 |