CN207290749U - A kind of anti-fit structure applied to light guide plate compression mold - Google Patents
A kind of anti-fit structure applied to light guide plate compression mold Download PDFInfo
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- CN207290749U CN207290749U CN201720976327.1U CN201720976327U CN207290749U CN 207290749 U CN207290749 U CN 207290749U CN 201720976327 U CN201720976327 U CN 201720976327U CN 207290749 U CN207290749 U CN 207290749U
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Abstract
The utility model discloses a kind of anti-fit structure applied to light guide plate compression mold, the anti-fit structure includes：Several rolling structures being arranged between light guide plate compression mould motion structure and moving-mould-core side；Gap setting between the light guide plate compression mould motion structure and the moving-mould-core is a pre-determined distance by the rolling structure；The pre-determined distance is used for the exhaust before light guide plate is molded, avoids light guide plate from being fitted closely with the light guide plate compression mould motion structure, and avoids the moving-mould-core from being in close contact the abrasion for reducing contact surface with the light guide plate compression mould motion structure；The diameter of the rolling structure is more than from the moving-mould-core side of the rolling structure is placed to the distance at the moving-mould-core edge.The utility model between the light guide plate compression mould motion structure and moving-mould-core side by setting multiple roll structures or rolling shaft structure, for being vented and reducing the abrasion of contact surface, avoids molding guide-lighting panel products from the defects of burr occur.
Description
Technical field
It the utility model is related to mobile terminal light guide plate, process equipment and its process technical field, more particularly to
It is a kind of anti-fit structure applied to light guide plate compression mold.
Background technology
With mobile terminal（Smart mobile phone, tablet computer etc.）Development, the application of light guide plate in the terminal also gets over
Come more extensive, importance is also higher and higher.
Light guide plate（light guide plate）It is acrylic/PC plate material using optical grade, it is then high anti-with having
Penetrate rate and the not hitech materials of extinction, acryl plates bottom surface laser engraving in optical grade, V-type cross grid engraving,
UV screen printing technologies stamp light guiding points.Drawn using optical grade acryl plates from the light that lamp issues in optical grade acrylic
The stop of plate surface, when light is mapped to each light guiding points, reflected light can be spread toward all angles, then destroy conditioned reflex
Projected by light guide plate front.By various densitys, light guiding points not of uniform size, light guide plate uniformly light-emitting, the use of reflector plate can be made
Way is returned in light guide plate in the light reflection for exposing bottom surface, for improving the service efficiency of light；With homalographic luminosity situation
Under, luminous efficiency is high, low in energy consumption.Single side micro structure array light guide plate generally uses the manufacture craft of ejection formation, its bottom
Texture structure can be micro lens shape, micro- spheroidal or tetrahedral angle cone prism shape etc..
The prior art be used for process guide-lighting panel products die apparatus it is relatively simple, light guide plate compression mould motion structure and
It is usually that directly contact is set between moving-mould-core, that is, face is contacted with face, since the frictional force that face is contacted with face is larger easily
Cause motion structure and dynamic model wicking surface to damage, and be in close contact the discharge for being unfavorable for air, molding light guide plate production
Easily there is the defects of burr in product.
Therefore, the prior art still has much room for improvement and develops.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of the prior art, there is provided one kind is applied to
The anti-fit structure of light guide plate compression mold, it is intended to by the light guide plate compression mould motion structure and moving-mould-core one
Multiple roll structures or rolling shaft structure are set between side, before being molded by the light guide plate compression mould, pass through institute
State pre-determined distance and be used for the exhaust before light guide plate is molded；It is described when carrying out injection molding by the light guide plate compression mould
Pre-determined distance control light guide plate with the light guide plate compression mould motion structure leave gap and avoid the moving-mould-core with it is described
Light guide plate compression mould motion structure is in close contact the abrasion for reducing contact surface, avoids molding guide-lighting panel products from burr etc. occur
Defect.
The utility model technical scheme applied to solve the technical problem is as follows：
A kind of anti-fit structure applied to light guide plate compression mold, wherein, the anti-fit structure includes：
Several rolling structures being arranged between light guide plate compression mould motion structure and moving-mould-core side, the rolling
Structure is roll structure or rolling shaft structure；
Gap setting between the light guide plate compression mould motion structure and the moving-mould-core is by the rolling structure
One pre-determined distance；
The pre-determined distance is used for the exhaust before light guide plate is molded, avoids light guide plate from being moved with the light guide plate compression mould
Close structure is bonded, and avoids the moving-mould-core from being in close contact reduction contact surface with the light guide plate compression mould motion structure
Abrasion；
The diameter of the rolling structure is more than from the moving-mould-core side of the placement rolling structure to the moving-mould-core
The distance at edge；
One is set to be used to accommodate the rolling structure between the moving-mould-core and the light guide plate compression mould motion structure
Accommodating chamber.
The anti-fit structure applied to light guide plate compression mold, wherein, the roll structure or roller bearing
Number of structures is 6.
The anti-fit structure applied to light guide plate compression mold, wherein, the pre-determined distance is 0.005-
0.01mm。
The anti-fit structure applied to light guide plate compression mold, wherein, the roll structure or roller bearing
A diameter of 4mm of structure.
The anti-fit structure applied to light guide plate compression mold, wherein, above the moving-mould-core with it is described
Light guide plate compression mould motion structure forms forming light guide plate chamber, for completing the injection molding of the light guide plate.
The anti-fit structure applied to light guide plate compression mold, wherein, the roll structure or roller bearing
Structure is symmetrical arranged in the accommodating chamber in double, for the light guide plate compression mould motion structure and moving-mould-core progress
It is accurately positioned.
The utility model discloses a kind of anti-fit structure applied to light guide plate compression mold, the anti-fit knot
Structure includes：Several rolling structures being arranged between light guide plate compression mould motion structure and moving-mould-core side, the rolling
Structure is roll structure or rolling shaft structure；The rolling structure is by the light guide plate compression mould motion structure and the dynamic model
Gap setting between core is a pre-determined distance；The pre-determined distance be used for light guide plate injection before exhaust, avoid light guide plate with
The light guide plate compression mould motion structure fits closely, and avoids the moving-mould-core from being moved with the light guide plate compression mould
Close structure contact reduces the abrasion of contact surface；The diameter of the rolling structure is more than from the described dynamic of the placement rolling structure
Distance of the core rod side to the moving-mould-core edge；Set between the moving-mould-core and the light guide plate compression mould motion structure
One accommodating chamber for accommodating the rolling structure.The utility model passes through in the light guide plate compression mould motion structure and dynamic
Multiple roll structures or rolling shaft structure are set between core rod side, before being molded by the light guide plate compression mould,
Exhaust before light guide plate injection is used for by the pre-determined distance；When pass through the light guide plate compression mould carry out injection molding
When, the pre-determined distance control light guide plate leaves gap and avoids the moving-mould-core with the light guide plate compression mould motion structure
Being in close contact with the light guide plate compression mould motion structure reduces the abrasion of contact surface, avoids molding guide-lighting panel products from occurring
The defects of burr.
Brief description of the drawings
Fig. 1 is the structure of the preferred embodiment for the anti-fit structure that the utility model is applied to light guide plate compression mold
Schematic diagram.
Fig. 2 is that the utility model is applied to rolling structure described in the anti-fit structure of light guide plate compression mold by institute
State the enlarged diagram that a pre-determined distance is divided between light guide plate compression mould motion structure and the moving-mould-core.
Embodiment
To make the purpose of this utility model, technical solution and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this reality
With new, it is not used to limit the utility model.
Referring to Fig. 1, Fig. 1 is the preferable reality for the anti-fit structure that the utility model is applied to light guide plate compression mold
Apply the structure diagram of example.
As shown in Figure 1, the utility model embodiment offer is a kind of applied to the anti-fit of light guide plate compression mold
Structure, the anti-fit structure include：
Several rolling structures 3 being arranged between 2 side of light guide plate compression mould motion structure 1 and moving-mould-core, it is described
Rolling structure 3 is roll structure or rolling shaft structure；The rolling structure 3 by the light guide plate compression mould motion structure 1 with
Gap setting between the moving-mould-core 2 is a pre-determined distance；The pre-determined distance is used for the exhaust before light guide plate is molded, avoids
Light guide plate is fitted closely with the light guide plate compression mould motion structure, and avoids the moving-mould-core 2 and the light guide plate pressure
Contracting mold movement structure 1 is in close contact the abrasion for reducing contact surface；The diameter M of the rolling structure 3 is more than from the placement rolling
Distance L of 2 side of the moving-mould-core of dynamic structure 3 to 2 edge of moving-mould-core；The moving-mould-core 2 is compressed with the light guide plate
One accommodating chamber 4 for being used to accommodate the rolling structure is set between mold movement structure 1.
It can be accurately positioned by the setting of rolling structure 3, have certain gap between guarantee face and face, not only have
It it also avoid the abrasion of face contact beneficial to exhaust, when the rolling structure 3 is roll structure, the contact by it before with face becomes
To put contact with face, when being for rolling shaft structure when the rolling structure 3, the contact with face by it before is changed into connecing for line and face
Touch, can substantially reduce the friction between face and face, avoid the abrasion between the contact of face, cause burn failure to fail.
Preferably, roll structure or the rolling shaft structure quantity is 6, the light guide plate compression mould motion structure 1
Pre-determined distance scope between the moving-mould-core 2 is between 0.005-0.01mm.
Preferably, the diameter of the rolling structure 3 be more than from place 2 side of the moving-mould-core of the rolling structure 3 to
The distance at 2 edge of moving-mould-core, the diameter M of the roll structure or rolling shaft structure is 4mm, places the rolling structure 3
The distance L at 2 side of the moving-mould-core to 2 edge of moving-mould-core be 3.99mm, therefore pre-determined distance is M-L=0.01mm（Such as
Shown in the enlarged drawing of Fig. 2）.
Preferably, the top of moving-mould-core 2 forms forming light guide plate chamber with the light guide plate compression mould motion structure 1,
For completing the injection molding of the light guide plate, equally, the pre-determined distance avoids light guide plate and light guide plate compression mould
Has motion structure contact.
Preferably, the roll structure or rolling shaft structure are symmetrical arranged in the accommodating chamber 4 in double, for institute
State light guide plate compression mould motion structure 1 and moving-mould-core 2 is accurately positioned.
Specifically, by setting multiple ball knots between the light guide plate compression mould motion structure and moving-mould-core side
Structure or rolling shaft structure；The roll structure or rolling shaft structure are arranged to double symmetrical structure in the accommodating chamber, it is right
The light guide plate compression mould motion structure and moving-mould-core are accurately positioned；Will by the roll structure or rolling shaft structure
Gap between the light guide plate compression mould motion structure and the moving-mould-core is divided into a pre-determined distance；Led when by described
Before tabula rasa compression mould is molded, the exhaust before light guide plate injection is used for by the pre-determined distance；When passing through the leaded light
When plate compression mould carries out injection molding, the pre-determined distance control light guide plate is stayed with the light guide plate compression mould motion structure
There is gap and avoid the moving-mould-core from being in close contact the abrasion for reducing contact surface with the light guide plate compression mould motion structure.
Specifically, the application process of the anti-fit structure applied to light guide plate compression mold, wherein, it is described
The diameter of roll structure either rolling shaft structure is more than from the moving-mould-core side for placing the roll structure or rolling shaft structure
To the distance at the moving-mould-core edge.
Specifically, the light guide plate by the tabula rasa compression mould before injection molding is carried out, in advance by light guide plate
Air extraction in forming cavity, controls the forming light guide plate chamber to be in vacuum state, and detect the forming light guide plate chamber
After interior vacuum meets preset requirement, start injection molding machine and proceed by injection injection, complete forming light guide plate.
Specifically, the anti-fit structure applied to light guide plate compression mold of the utility model is used for whole guide-lighting
In sheet metal forming, the forming light guide plate：
Control centre controls dynamic model side slotted-plate and dynamic model side tablet to be moved towards cover half side slotted-plate, until dynamic model side is opened
Frid is bonded with cover half side slotted-plate.
Forming light guide plate method based on compression forming is realized via light guide plate compression mold, and the leaded light
Plate compression mold includes ejecting mechanism installing plate, compression mechanism spring installing plate, dynamic model side tablet, the dynamic model set gradually
Side slotted-plate, cover half side slotted-plate and cover half side tablet, dynamic model side slotted-plate middle part are offered for accommodating moving-mould-core
First container, cover half side slotted-plate offer the second container for accommodating cover half core, in first container
Moving-mould-core is contained, cover half core is contained in second container.
Control centre controls dynamic model side slotted-plate and dynamic model side tablet to be moved away from cover half side slotted-plate, until dynamic model side is opened
Spacing between frid and cover half side slotted-plate reaches the height dimension of headspace, the headspace height in 0.15mm extremely
Between 0.7mm.
First it is bonded and then ensures headspace, than directly reserves the more preferable control of headspace, the size essence of headspace
Exactness is more preferably grasped.
, it is necessary to first illustrate, light guide plate before the forming light guide plate method based on compression forming is introduced in more detail
Colloid used in injection molding be it is a kind of semi-solid, mobile performance itself there are it is certain the defects of, in injection conventional light guiding plate
During molding die, due to mould carry out it is cold and hot exchange, its mobility can be further reduced, so by conventional light guide sheet metal forming
Mould needs the injection molding machine of high pressure.And for thickness is less than a degree of light guide plate, this molding mode is can not
Realize, injection molding machine is unable to reach injection and requires.
Control centre's control sends enabling signal to vacuum machine solenoid valve, and vacuum machine starts, and is compressed into via light guide plate
Gas circuit in pattern tool, the air of forming light guide plate intracavitary is extracted out, forming light guide plate chamber and headspace is in vacuum shape
State, to reduce resistance during injection molding machine injection colloid.
The utility model employs resistance when two methods reduce colloid injection, first, setting headspace, increases dynamic
Height between core rod and cover half core；Second, vacuumize, without vapour lock when making colloid inject and flow.
Control centre controls injection molding machine via sprue bushing to light guide plate forming cavity and headspace injection, until forming light guide plate
Colloid in chamber and headspace is enough formed light conductive plate.
Since colloid is semi-solid, so when colloid flows in forming light guide plate chamber and headspace, can't be first
Lower floor, i.e. forming light guide plate chamber are paved with, but is flowed from front to back in forming light guide plate chamber and headspace.Therefore, follow-up
Compression process in, the colloid in headspace will be compressed into forming light guide plate chamber, and fill full forming light guide plate chamber.
The utility model is provided with sprue bushing temperature adjustment water route at sprue bushing, to reduce the temperature of mould at sprue bushing, improves sprue bushing
The cooling effectiveness of interior colloid.
The sprue bushing temperature adjustment water route includes：Sprue bushing inlet channel, the first cross channel of sprue bushing, the purt for setting gradually and connecting
Mouth first longitudinal direction water channel, sprue bushing are around water channel, sprue bushing second longitudinal direction water channel, the second cross channel of sprue bushing and sprue bushing water outlet water channel.
The sprue bushing is surrounded on sprue bushing surrounding around water channel, laterally prolongs runner and purt by sprue bushing longitudinal direction by-path, sprue bushing transverse direction by-path, sprue bushing
Mouth longitudinally prolongs runner composition.
Forming light guide plate compression mould external water source（The water source is also temperature regulating device, by controlling the temperature of current, so that
Control the temperature on sprue bushing periphery）, and by water source convey Lai temperature control water, it is horizontal followed by sprue bushing inlet channel, sprue bushing first
To water channel and sprue bushing first longitudinal direction water channel, start to shunt in sprue bushing first longitudinal direction water channel exit, one stream of water successively flows through
Sprue bushing longitudinal direction by-path and sprue bushing laterally prolong runner, then flow into sprue bushing second longitudinal direction water channel, and second strand of current successively flows through sprue bushing
Horizontal by-path and sprue bushing longitudinally prolong runner, then flow into sprue bushing second longitudinal direction water channel, that is to say, that two strands of current are in sprue bushing second
Longitudinal flow passage entry is converged, and is then finally gone out by sprue bushing second longitudinal direction flow passage to the second cross channel of sprue bushing by sprue bushing
Water water channel flows out.The temperature control water flowed out can flow to water source, to be recycled, can also directly discharge.
Preferably, the sprue bushing inlet channel hangs down perpendicular to first cross channel of sprue bushing, the sprue bushing water outlet water channel
Directly in the second cross channel of sprue bushing.Why sprue bushing inlet channel and sprue bushing water outlet water channel are so set, are guide-lighting for convenience
Sheet metal forming compression mould connects water source.And the circular water channel of first cross channel of sprue bushing, sprue bushing first longitudinal direction water channel, sprue bushing,
Sprue bushing second longitudinal direction water channel and the second cross channel of sprue bushing are then in same horizontal line.Several water channels are arranged at same level
On line, it is to accelerate water velocity, improves temperature control efficiency.
Sprue bushing longitudinal direction by-path, sprue bushing transverse direction by-path, sprue bushing, which laterally prolong runner and sprue bushing and longitudinally prolong runner, to surround to be formed
First accommodating chamber, sprue bushing extend vertically through accommodating chamber setting.That is, sprue bushing is passed through from sprue bushing in the middle part of water channel.
Sprue bushing longitudinal direction by-path is coaxially disposed with the sprue bushing first longitudinal direction water channel, and first end is connected to the sprue bushing
One longitudinal water channel and sprue bushing transverse direction by-path, sprue bushing described in second end vertical connection laterally prolongs runner；The sprue bushing transverse direction by-path
One end is vertically connected at sprue bushing longitudinal direction by-path and the horizontal by-path intersection of sprue bushing first；Sprue bushing longitudinal direction described in second end vertical connection
Prolong runner.
The sprue bushing longitudinally prolongs runner and is coaxially disposed with the sprue bushing second longitudinal direction water channel, and first end is vertically connected at sprue bushing
Horizontal by-path, second end vertical connection sprue bushing second longitudinal direction water channel and sprue bushing laterally prolong runner；The sprue bushing laterally prolongs runner
One end is vertically connected at sprue bushing longitudinal direction by-path, and second end is vertically connected at sprue bushing second longitudinal direction water channel and the sprue bushing longitudinal direction
Prolong runner intersection.
In addition to sprue bushing temperature adjustment water route, the utility model is also provided with one on cover half core and is used to accommodate and be bonded injection molding machine to penetrate
The atrium of mouth, the atrium are communicated with colloid injection road, and the colloid injection road is communicated with least colloid runner, institute
State colloid flow passage forming light guide plate chamber.The cross-sectional width in the colloid injection road is incremented by by first end to second end, institute
State first end and connect the atrium, the second end connection colloid injection road.The colloid runner is provided with two, two glue
Body runner is connected at left and right sides of the colloid injection road, and is respectively connected with a forming light guide plate chamber.
In the specific implementation, the lower edge of the colloid runner longitudinal section is connected in sequence by multistage cambered surface, multistage institute
State adjacent at least two sections connections composition plastic cement recirculating zones in cambered surface, the colloid that when compression forming flows back is contained in the plastic cement and returns
Flow area.
Control centre controls dynamic model side slotted-plate and dynamic model side tablet to be compressed towards cover half side slotted-plate, until dynamic model side is opened
Frid is bonded with cover half side slotted-plate, and colloid fills up forming light guide plate chamber.
Spring support, butterfly spring and contour part, institute are disposed with the compression mechanism spring installing plate of dynamic model side
State contour part head end and fit in butterfly spring, tail end all the time and fit in dynamic model side tablet all the time.A fixation is provided with contour part
Screw, is adapted to described in the fixed screw and is provided through a mounting hole in the middle part of contour part, dynamic model side tablet is provided with one
Threaded hole.The compression mechanism spring installing plate and dynamic model side tablet are provided with first-class high spatial.The contour part scattering device
There is multiple, the integral smoothness for the high spatials such as the contour parts of multiple scattering devices is used to ensureing.
Control centre controls dynamic model side slotted-plate and dynamic model side tablet to be resetted away from the movement of cover half side slotted-plate both,
Thimble is moved towards cover half side slotted-plate, and the light guide plate after shaping is ejected.
The utility model reduces its maintenance and repair number to ensure the sustainable work of thimble, and there is provided thimble temperature adjustment
Water route, the thimble temperature adjustment water route include in the preferred embodiment：The thimble inlet channel that sets gradually, thimble around water channel and
Thimble water outlet water channel.And wherein most 9 it is important that thimble around water channel, preferably it is laterally propped up by thimble longitudinal direction by-path, thimble
Road, thimble laterally prolong runner and thimble and longitudinally prolong runner composition.
Thimble longitudinal direction by-path and thimble laterally prolong runner and form one of thimble in two branch flow passages of water channel,
And thimble transverse direction by-path and thimble longitudinally prolong runner and then form another in water channel two branch flow passages of thimble.It is easy to
Understand, thimble is square around water channel, the temperature control water flowed by thimble inlet channel, in thimble at water channel
Shunting, then collaborates at thimble water outlet water channel.
In the utility model further preferred embodiment, the thimble temperature adjustment water route includes：Set gradually and connect
Thimble inlet channel, the first cross channel of thimble, thimble first longitudinal direction water channel, thimble around water channel, thimble second longitudinal direction water
Road, the second cross channel of thimble and thimble water outlet water channel, the thimble are surrounded on thimble surrounding around water channel, are longitudinally propped up by thimble
Road, thimble transverse direction by-path, thimble laterally prolong runner and thimble and longitudinally prolong runner composition.
That is, in addition to thimble inlet channel, thimble are around water channel and thimble water outlet water channel, the thimble temperature adjustment water route
The first cross channel of thimble, the second cross channel of thimble first longitudinal direction water channel, thimble second longitudinal direction water channel and thimble are also provided with,
The setting of water channel described above is to reduce the mould temperature difference everywhere, improves the service life of mould.
In the case of there is provided with water-supply line, forming light guide plate compression mould external water source（The water source is also temperature control dress
Put, by controlling the temperature of current, so as to control the temperature on thimble periphery）, and by water source convey Lai temperature control water, flow successively
Through thimble inlet channel, the first cross channel of thimble and thimble first longitudinal direction water channel, opened in thimble first longitudinal direction water channel exit
Begin to shunt, successively flow through thimble longitudinal direction by-path and thimble laterally prolongs runner to one stream of water, then flows into thimble second longitudinal direction water
Road, second strand of current successively flows through thimble transverse direction by-path and thimble longitudinally prolongs runner, then flows into thimble second longitudinal direction water channel,
That is two strands of current converge in thimble second longitudinal direction flow passage entry, then by thimble second longitudinal direction flow passage to thimble
Second cross channel, is finally flowed out by thimble water outlet water channel.The temperature control water flowed out can flow to water source, to be recycled,
Can also directly it discharge.
In the utility model further preferred embodiment, the thimble inlet channel is horizontal perpendicular to the thimble first
To water channel, the thimble water outlet water channel is perpendicular to the second cross channel of thimble.Why thimble inlet channel and top are so set
Pin water outlet water channel, is that forming light guide plate compression mould connects water source for convenience.And first cross channel of thimble, thimble
One longitudinal water channel, thimble are then in same horizontal line around water channel, thimble second longitudinal direction water channel and the second cross channel of thimble.
Several water channels are arranged in same horizontal line, is to accelerate water velocity, improves temperature control efficiency.
Thimble longitudinal direction by-path, thimble transverse direction by-path, thimble, which laterally prolong runner and thimble and longitudinally prolong runner, to surround to be formed
First accommodating chamber, thimble extend vertically through accommodating chamber setting.That is, thimble is passed through from thimble in the middle part of water channel.
Thimble longitudinal direction by-path is coaxially disposed with the thimble first longitudinal direction water channel, and first end is connected to the thimble
One longitudinal water channel and thimble transverse direction by-path, thimble described in second end vertical connection laterally prolongs runner；The thimble transverse direction by-path
One end is vertically connected at thimble longitudinal direction by-path and the horizontal by-path intersection of thimble first；Thimble longitudinal direction described in second end vertical connection
Prolong runner.
The thimble longitudinally prolongs runner and is coaxially disposed with the thimble second longitudinal direction water channel, and first end is vertically connected at thimble
Horizontal by-path, second end vertical connection thimble second longitudinal direction water channel and thimble laterally prolong runner；The thimble laterally prolongs runner
One end is vertically connected at thimble longitudinal direction by-path, and second end is vertically connected at thimble second longitudinal direction water channel and the thimble longitudinal direction
Prolong runner intersection.
In conclusion the utility model discloses a kind of anti-fit structure applied to light guide plate compression mold, institute
Stating anti-fit structure includes：Several being arranged between light guide plate compression mould motion structure and moving-mould-core side roll knot
Structure, the rolling structure are roll structure or rolling shaft structure；The light guide plate compression mould is moved and tied by the rolling structure
Gap setting between structure and the moving-mould-core is a pre-determined distance；The pre-determined distance be used for light guide plate injection before exhaust,
Avoid light guide plate from being fitted closely with the light guide plate compression mould motion structure, and avoid the moving-mould-core and the light guide plate
Compression mould motion structure is in close contact the abrasion for reducing contact surface；The diameter of the rolling structure is more than from the placement rolling
Distance of the moving-mould-core side of structure to the moving-mould-core edge；The moving-mould-core is moved with the light guide plate compression mould
One accommodating chamber for being used to accommodate the rolling structure is set between structure.The utility model passes through in the light guide plate compression mould
Multiple roll structures or rolling shaft structure are set between motion structure and moving-mould-core side, when passing through the light guide plate compression mould
Before being molded, the exhaust before light guide plate injection is used for by the pre-determined distance；When by the light guide plate compression mould into
During row injection molding, the pre-determined distance control light guide plate leaves gap with the light guide plate compression mould motion structure and avoids
The moving-mould-core is in close contact the abrasion for reducing contact surface with the light guide plate compression mould motion structure, avoids molding leaded light
There is the defects of burr in panel products.
It should be appreciated that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (6)
1. a kind of anti-fit structure applied to light guide plate compression mold, it is characterised in that the anti-fit structure includes：
Several rolling structures being arranged between light guide plate compression mould motion structure and moving-mould-core side, the rolling structure
For roll structure or rolling shaft structure；
The rolling structure is pre- for one by the gap setting between the light guide plate compression mould motion structure and the moving-mould-core
If distance；
The pre-determined distance is used for the exhaust before light guide plate is molded, avoids light guide plate and the light guide plate compression mould motion structure
Fit closely, and avoid the moving-mould-core from being in close contact the mill for reducing contact surface with the light guide plate compression mould motion structure
Damage；
The diameter of the rolling structure is more than from the moving-mould-core side to the moving-mould-core edge for placing the rolling structure
Distance；
One appearance for being used to accommodate the rolling structure is set between the moving-mould-core and the light guide plate compression mould motion structure
Receive chamber.
2. the anti-fit structure according to claim 1 applied to light guide plate compression mold, it is characterised in that described
Roll structure or rolling shaft structure quantity are 6.
3. the anti-fit structure according to claim 1 applied to light guide plate compression mold, it is characterised in that described
Pre-determined distance is 0.005-0.01mm.
4. the anti-fit structure according to claim 1 applied to light guide plate compression mold, it is characterised in that described
A diameter of 4mm of roll structure or rolling shaft structure.
5. the anti-fit structure according to claim 1 applied to light guide plate compression mold, it is characterised in that described
Forming light guide plate chamber is formed with the light guide plate compression mould motion structure above moving-mould-core, for completing the note of the light guide plate
It is moulded into type.
6. the anti-fit structure according to claim 1 applied to light guide plate compression mold, it is characterised in that described
Roll structure or rolling shaft structure are symmetrical arranged in the accommodating chamber in double, for being moved to the light guide plate compression mould
Structure and moving-mould-core are accurately positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976327.1U CN207290749U (en) | 2017-08-07 | 2017-08-07 | A kind of anti-fit structure applied to light guide plate compression mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976327.1U CN207290749U (en) | 2017-08-07 | 2017-08-07 | A kind of anti-fit structure applied to light guide plate compression mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207290749U true CN207290749U (en) | 2018-05-01 |
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| CN201720976327.1U Active CN207290749U (en) | 2017-08-07 | 2017-08-07 | A kind of anti-fit structure applied to light guide plate compression mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351321A (en) * | 2017-08-07 | 2017-11-17 | 深圳市南极光电子科技有限公司 | A kind of anti-fit structure and application process applied to light guide plate compression mold |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107351321A (en) * | 2017-08-07 | 2017-11-17 | 深圳市南极光电子科技有限公司 | A kind of anti-fit structure and application process applied to light guide plate compression mold |
| CN107351321B (en) * | 2017-08-07 | 2023-10-20 | 深圳市南极光电子科技有限公司 | Anti-sticking structure applied to compression forming die of light guide plate and application method |
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Address after: 518104 Shajing Street, Baoan District, Shenzhen City, Guangdong Province, 1-8 Xinhe Lusha-North Yongfa Science Park, 16-23 (4th to 5th 1-4th floor, 8th 2nd floor, 16th 2nd floor) Patentee after: Shenzhen Antarctic optoelectronic Polytron Technologies Inc Address before: 518104 Shajing Street, Baoan District, Shenzhen City, Guangdong Province, 1-8 Xinhe Lusha-North Yongfa Science Park, 16-23 (4th to 5th 1-4th floor, 8th 2nd floor, 16th 2nd floor) Patentee before: Shenzhen Nanjiguang Electronic Technology Co., Ltd. |
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