CN208052556U - Light guide plate hot-press arrangement and its hot pressing die - Google Patents
Light guide plate hot-press arrangement and its hot pressing die Download PDFInfo
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- CN208052556U CN208052556U CN201820414632.6U CN201820414632U CN208052556U CN 208052556 U CN208052556 U CN 208052556U CN 201820414632 U CN201820414632 U CN 201820414632U CN 208052556 U CN208052556 U CN 208052556U
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- light guide
- guide plate
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- vertical compression
- compression mold
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Abstract
The utility model is related to a kind of light guide plate hot-press arrangement and its hot pressing dies.Wherein, light guide plate hot pressing die includes carrying mould and vertical compression mold.Carrying mould is for carrying light guide plate.Vertical compression mold is set to the vertical top of carrying mould when in use, and the surface of the close carrying mould of vertical compression mold is fixedly connected with heating platen, and the surface of heating platen is provided with hot pressing site.So the hot pressing that the light guide plate hot pressing die can carry out light guide plate direct press type is processed.Since in the hot pressing of direct press type, relative motion is not will produce between light guide plate and mold, so the site back gauge of light guide plate can reach accurate management and control.Meanwhile the hot pressing processing of direct press type is one-pass molding, opposite rolling technology needs are rolled into from light guide plate side for the other side, and the process time of the hot pressing processing of direct press type can be reduced, and improve production efficiency.
Description
Technical field
The utility model is related to light guide plate hot-pressing technique fields, more particularly to a kind of light guide plate hot-press arrangement and its hot pressing
Mold.
Background technology
Light guide plate is the important component in the backlight module of liquid crystal display, and major function is will to be arranged in liquid crystal display
The LED line light source of screen side is changed into area source.The principle of light guide plate is to utilize the circle or square grid on bottom surface of light guide plate
The total reflection that point (ink site, hot pressing site are molded site) destroys LED light source light, when LED light directive site, meeting
It is reflected to all directions, total reflection is destroyed, and light is projected by light guide plate front.LED line light source is become into area source to realize
Purpose.
Commonplace light guide plate mesh point processing technology is printing technology and heat pressing process on the market at present, printing technology by
In needing to use ink, more compared to heat pressing process a kind of ink raw material, in terms of cost without advantage, and not using ink
Environmental protection, Japan of South Korea, which substantially cancels, at present prints light guide plate.And hot-pressing light guide plate is due at low cost, environmentally friendly, automation
Degree is high, stablizes, becomes new developing direction.
Currently, most universal heat pressing process is rolling technology on the market.As shown in Figure 1, rolling technology utilizes bottom roller and band
There is the upper roller of site mold to roll across light guide plate, thus will be in the hot pressing to light guide plate of site.The rolling technology comparative maturity,
But rolling technology is difficult to continue optimization to improve in production efficiency, and when being rotated due to idler wheel when in addition producing, light guide plate and rolling
Relative motion can occur for wheel, this leads to site back gauge (net-pont design is left white size) bad control of light guide plate, can only do at present
To the error of ± 0.4mm, it can not accomplish fining production.
Utility model content
Based on this, it is necessary to for how improving light guide plate hot pressing production efficiency and light guide plate mesh point back gauge precision problem,
A kind of light guide plate hot-press arrangement and its hot pressing die are provided.
A kind of light guide plate hot pressing die, including：
Carrying mould, for carrying light guide plate；
Vertical compression mold is set to the vertical top of the carrying mould, the close carrying mould of the vertical compression mold
Surface be fixedly connected with heating platen, the surface of the heating platen is provided with hot pressing site.
Above-mentioned light guide plate hot pressing die includes carrying mould and vertical compression mold, since vertical compression mold is located at carrying mould
Vertical top, and the surface of the close carrying mould of vertical compression mold is fixedly connected heating platen.The surface of heating platen is provided with
Hot pressing site.So when carrying out hot pressing processing to light guide plate using the light guide plate hot pressing die, the hot pressing of direct press type may be used
Processing.It is fixed after the completion of debugging by adjusting vertical compression mold and carrying mould to adjust site back gauge.Due in vertical compression
In the hot pressing processing of formula, relative motion is not will produce between light guide plate and mold, so the site back gauge of light guide plate can reach essence
Quasi- management and control, solves, since mold and site back gauge caused by light guide plate relative rolling cannot be asked precisely in management and control in rolling technology
Topic.Meanwhile the hot pressing processing of direct press type is one-pass molding, opposite rolling technology needs to be rolled into the other side from light guide plate side
It says, the process time of the hot pressing processing of direct press type can be reduced, and improve production efficiency.
The hot pressing site is one in one of the embodiments, and the hot pressing site is located at the heating platen
Centre of surface.
The hot pressing site is multiple in one of the embodiments, and the multiple hot pressing site is formed with described
The center line of heating platen is axis in the region of left and right two being symmetrically arranged.
The carrying mould and the vertical compression mold are tabular in one of the embodiments,.
Material used in the heating platen is steel plate in one of the embodiments,.
The vertical compression mold in the horizontal direction can the relatively described carrying mould movement in one of the embodiments,.
A kind of light guide plate hot-press arrangement, including light guide plate hot pressing die above-mentioned.
Above-mentioned light guide plate hot-press arrangement, due to the use of light guide plate hot pressing die above-mentioned, so to light guide plate into
When row hot pressing is processed, the hot pressing processing of direct press type may be used.In the hot pressing of direct press type, between light guide plate and mold not
Will produce relative motion, so the site back gauge of light guide plate can reach accurate management and control, solve, in rolling technology due to mold with
Site back gauge caused by light guide plate relative rolling cannot accurate management and control problem.Meanwhile the hot pressing processing of direct press type is one-pass molding,
Opposite rolling technology needs are rolled into from light guide plate side for the other side, and the process time of the hot pressing processing of direct press type can be reduced,
Improve production efficiency.
In one of the embodiments, the light guide plate hot-press arrangement further include for the light guide plate hot pressing die into
The electrically heated electric heat source of row.
The light guide plate hot-press arrangement further includes the conveyer for transmitting the light guide plate in one of the embodiments,
Structure；The transmission mechanism is between the carrying mould and the vertical compression mold.
The light guide plate hot-press arrangement further includes driving mechanism in one of the embodiments,；The driving mechanism and institute
State the connection of vertical compression mold；The driving mechanism is for driving the vertical compression mold movement.
Description of the drawings
Fig. 1 is traditional rolling-type hot-pressing die structure figure；
Fig. 2 is the light guide plate hot-pressing die structure figure of an embodiment；
Fig. 3 is an embodiment heating platen schematic diagram；
Fig. 4 is the heating platen schematic diagram of another embodiment.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this
The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from other manner described here, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
Fig. 2, Fig. 3 are referred to, the light guide plate hot pressing die 100 of an embodiment is used to carry out hot pressing processing to light guide plate 200.
Specifically, light guide plate hot pressing die 100 includes vertical compression mold 110 and carrying mould 120.Wherein, carrying mould 120 is for holding
Carry light guide plate 200.When needing using light guide plate hot pressing die 100, vertical compression mold 110 is set to the vertical of carrying mould 120
Top.The surface of the close carrying mould 120 of vertical compression mold 110 is provided with heating platen 111.The surface of heating platen 111 is provided with
Site 1111.
When carrying out hot pressing processing to light guide plate 200, first vertical compression mold 110 and carrying mould 120 are heated.So
Light guide plate 200 is placed on carrying mould 120 afterwards, vertical compression mold 110 is moved to right over carrying mould 120.Adjustment is straight
The relative position of compression mould 110 and carrying mould 120 is to adjust the site back gauge of light guide plate 200.By increasing to vertical compression mold 110
Plus-pressure is by 1111 turns of the site surface for being depressed into light guide plate 200 on heating platen 111.
Above-mentioned light guide plate hot pressing die 100 includes vertical compression mold 110 and carrying mould 120, due to the use of the light guide plate
When hot pressing die 100, vertical compression mold 110 is set to the vertical top of carrying mould 120, and the close of vertical compression mold 110 is held
The surface for carrying mold 120 is fixedly connected with heating platen 111.The surface of heating platen 111 is provided with hot pressing site 1111.So using
When the light guide plate hot pressing die 100 carries out hot pressing processing to light guide plate 200, the hot pressing processing of direct press type may be used.Pass through tune
Straightening compression mould 110 and carrying mould 120 are fixed to adjust site back gauge after the completion of debugging.Due to the heat in direct press type
In pressure processing, it will not be produced relative sliding between light guide plate 200 and light guide plate hot pressing die 100, so the site side of light guide plate
Away from can precisely manage ± 0.2mm, solve in rolling technology due to site side caused by roller die sliding opposite with light guide plate
Away from cannot accurate management and control problem.Meanwhile the hot pressing processing of direct press type is one-pass molding, opposite rolling technology is needed from light guide plate
Side is rolled into for the other side, and the process time of the hot pressing processing of direct press type can be reduced, and improve production efficiency.
As shown in figure 3, the area distribution in the form of sheets of hot pressing site 1111, in an embodiment, 1111 quantity of hot pressing site is one
Centre of surface position a and positioned at heating platen 111.Hot pressing site 1111 is recessed for going out the smooth surface hot pressing of light guide plate 200
Male structure to make the total reflection of light guide plate 200 by broken ring, and then is realized LED line light source becoming area source.Specifically, hot
Pressure network point 1111 can be round or square structure.
In another implementation, the hot pressing site 1111 on 111 surface of heating platen may be multiple, as shown in figure 4, hot pressing net
Point 1111 is two, and it is left and right of the axis in symmetric arrays that two hot pressing sites 1111, which are formed using the center line of heating platen 111,
Two regions.It is worth noting that the quantity of hot pressing site 1111 can also be 3,4 or more.
Hot pressing site 1111 there are one when, be convenient for the site back gauge of management and control light guide plate 200.Have in hot pressing site multiple
When, light guide plate hot pressing die 100 can realize hot pressing polylith light guide plate 200 simultaneously, to improve production efficiency.
Further, heating platen 111 is steel plate.Steel plate thermal conductivity is good, is conducive to be heated rapidly to required hot pressing temperature.
And it directly can process to form hot pressing site 1111 by laser dotting on the steel plate.
Further, vertical compression mold 110 and carrying mould 120 are tabular.Specifically, vertical compression mold 110 and carrying
Mold 120 can be rectangular flat, and theirs is equal in magnitude.
Further, in one embodiment, vertical compression mold 110 can be with respect on carrying mould 120 in addition in the vertical direction
Outside lower movement, it can also be moved in the horizontal direction relative to carrying mould 120.When without using vertical compression mold 110, vertical compression mold
110 are movable to the side of carrying mould 120, to reduce the whole height of light guide plate hot pressing die 100, save space.
Also provide a kind of light guide plate hot-press arrangement, which includes light guide plate hot pressing die 100 above-mentioned, electric heating
Source, transmission mechanism and driving mechanism.Transmission mechanism is set between vertical compression mold 110 and carrying mould 120, transmission mechanism
The light guide plate for not carrying out hot pressing processing to be transported on carrying mould 120.And the light guide plate for machining hot pressing is sent out
The light guide plate hot-press arrangement.Light guide plate hot pressing die 100 is heated to needed for hot pressing by electric heat source to the electrically heated mode of use
Temperature.Driving mechanism is connect with vertical compression mold 110, and driving mechanism is for driving vertical compression die horizontal mobile and vertical upper pushing
Movement.
The control process of above-mentioned light guide plate hot-press arrangement includes：Electric heat source passes through vertical compression mold 110 and heating platen 111
Electrical heating is to 110 DEG C~140 DEG C, by carrying mould 120 by electrical heating to 45 DEG C~55 DEG C.Transmission mechanism is led unprocessed
Tabula rasa is transported to carrying mould 120.Vertical compression mold 110 is moved to above light guide plate by driving mechanism, then to vertical compression mold 110
Apply pressure, to which 1111 turns of hot pressing site on heating platen 111 to be depressed on light guide plate.Transmission mechanism is led what hot pressing was completed
Tabula rasa is sent out.
Above-mentioned light guide plate hot-press arrangement, due to the use of light guide plate hot pressing die 100 above-mentioned, so to light guide plate
When carrying out hot pressing processing, direct press type processing may be used.In the hot pressing of direct press type, it will not be produced between light guide plate and mold
Raw relative motion solves so the site back gauge of light guide plate can reach accurate management and control, due to mold and leaded light in rolling technology
Site back gauge caused by plate relative rolling cannot accurate management and control problem.Meanwhile the hot pressing processing of direct press type is one-pass molding, relatively
Rolling technology needs are rolled into from light guide plate side for the other side, and the process time of the hot pressing processing of direct press type can be reduced, and be improved
Production efficiency.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make the combination of description art feature not deposit
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of light guide plate hot pressing die, which is characterized in that including：
Carrying mould, for carrying light guide plate；
Vertical compression mold, is set to the vertical top of carrying mould, and the vertical compression mold is consolidated close to the surface of the carrying mould
Surely it is connected with heating platen, the surface of the heating platen is provided with hot pressing site.
2. light guide plate hot pressing die according to claim 1, which is characterized in that the hot pressing site is one, and institute
State the intermediate region that hot pressing site is located at the surface of the heating platen.
3. light guide plate hot pressing die according to claim 1, which is characterized in that the hot pressing site is multiple, and institute
It is left and right multiple regions of the axis in symmetric arrays to state multiple hot pressing sites and formed using the center line of the heating platen.
4. light guide plate hot pressing die according to claim 1, which is characterized in that the carrying mould and the vertical compression mold
It is tabular.
5. light guide plate hot pressing die according to claim 1, which is characterized in that the heating platen is steel plate.
6. light guide plate hot pressing die according to claim 1, which is characterized in that the vertical compression mold in the horizontal direction may be used
The relatively described carrying mould movement.
7. a kind of light guide plate hot-press arrangement, which is characterized in that including light guide plate heat such as according to any one of claims 1 to 6
Compression mould.
8. light guide plate hot-press arrangement according to claim 7, which is characterized in that further include for the vertical compression mold and
The electric heat source that the carrying mould is electrically heated.
9. light guide plate hot-press arrangement according to claim 7, which is characterized in that further include for transmitting the light guide plate
Transmission mechanism；The transmission mechanism is between the carrying mould and the vertical compression mold.
10. light guide plate hot-press arrangement according to claim 7, which is characterized in that further include driving mechanism；The driving machine
Structure is connect with the vertical compression mold；The driving mechanism is for driving the vertical compression mold movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414632.6U CN208052556U (en) | 2018-03-26 | 2018-03-26 | Light guide plate hot-press arrangement and its hot pressing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414632.6U CN208052556U (en) | 2018-03-26 | 2018-03-26 | Light guide plate hot-press arrangement and its hot pressing die |
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| Publication Number | Publication Date |
|---|---|
| CN208052556U true CN208052556U (en) | 2018-11-06 |
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ID=63990299
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820414632.6U Active CN208052556U (en) | 2018-03-26 | 2018-03-26 | Light guide plate hot-press arrangement and its hot pressing die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231277A (en) * | 2020-01-13 | 2020-06-05 | 山东宇影光学仪器有限公司 | Black grid screen mold and black grid screen production system and method applying same |
| CN112285820A (en) * | 2019-07-25 | 2021-01-29 | 苏州维旺科技有限公司 | Unconventional light guide plate mold core and manufacturing method and application thereof |
-
2018
- 2018-03-26 CN CN201820414632.6U patent/CN208052556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285820A (en) * | 2019-07-25 | 2021-01-29 | 苏州维旺科技有限公司 | Unconventional light guide plate mold core and manufacturing method and application thereof |
| CN111231277A (en) * | 2020-01-13 | 2020-06-05 | 山东宇影光学仪器有限公司 | Black grid screen mold and black grid screen production system and method applying same |
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