CN107379417A - Light guide plate compression mold and light guide plate compression-molding method - Google Patents

Light guide plate compression mold and light guide plate compression-molding method Download PDF

Info

Publication number
CN107379417A
CN107379417A CN201710666303.0A CN201710666303A CN107379417A CN 107379417 A CN107379417 A CN 107379417A CN 201710666303 A CN201710666303 A CN 201710666303A CN 107379417 A CN107379417 A CN 107379417A
Authority
CN
China
Prior art keywords
sprue bushing
water channel
plate
channel
thimble
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710666303.0A
Other languages
Chinese (zh)
Other versions
CN107379417B (en
Inventor
姜发明
彭永生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Australis Electronic Technology Co Ltd
Original Assignee
Shenzhen Australis Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Australis Electronic Technology Co Ltd filed Critical Shenzhen Australis Electronic Technology Co Ltd
Priority to CN201710666303.0A priority Critical patent/CN107379417B/en
Publication of CN107379417A publication Critical patent/CN107379417A/en
Application granted granted Critical
Publication of CN107379417B publication Critical patent/CN107379417B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7312Construction of heating or cooling fluid flow channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms

Abstract

The invention discloses a kind of light guide plate compression mold and light guide plate compression-molding method, wherein mould includes:Dynamic model side flat board, dynamic model side slotted-plate, cover half side slotted-plate and the cover half side flat board set gradually.Light guide plate compression mold provided by the present invention, by the way that the solid plate in traditional moulds is divided into cover half side slotted-plate and cover half side flat board, and the moving platen in traditional moulds is divided into dynamic model side slotted-plate and dynamic model side flat board;So that slotted section and plate part can be processed respectively, difficulty of processing is reduced, and is effectively guaranteed the perpendicularity for processing the first accepting groove and the second accepting groove base.

Description

Light guide plate compression mold and light guide plate compression-molding method
Technical field
The present invention relates to light guide plate forming mould technical field, more particularly to a kind of light guide plate compression mold and Light guide plate compression-molding method.
Background technology
Light guide plate is acryl/PC plate material using optical grade, and then using has high reflectivity and the not high-tech of extinction Skill material, light guiding points are stamped with UV screen printing technologies in the acryl sheet material bottom surface of optical grade.Utilize optical grade acrylic plate Material draws the stop in optical grade acryl plate surface from the light that lamp issues, when light is mapped to each light guiding points, reflection Light can spread toward all angles, then destroy conditioned reflex and projected by light guide plate front.By various densitys, not of uniform size lead Luminous point, light guide plate uniformly light-emitting can be made.The purposes of reflector plate is reflected back in light guide plate in the light for exposing bottom surface, for improving The service efficiency of light.
In the prior art, light guide plate forming mould generally includes the solid plate, moving platen, compression mechanism spring set gradually Installing plate and ejecting mechanism installing plate, because solid plate and moving platen need to install core rod, so middle part is provided with corresponding mould Core accommodating chamber, the core rod accommodating chamber are generally directly process by CNC, and this mode directly processed can be formed tiltedly on base Side, and desired right-angle side is can't process, difficulty of processing is big and effect is poor.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of light guide plate compression mold and lead Tabula rasa compression-molding method, it is intended to solve prior art.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of light guide plate compression mold, including compression mechanism spring installing plate and ejecting mechanism installing plate;Wherein, also wrap Include:Dynamic model side flat board, dynamic model side slotted-plate, cover half side slotted-plate and the cover half side flat board set gradually, dynamic model side flat board It is connected to compression mechanism spring installing plate and deviates from ejecting mechanism installing plate side;Offer and be used in the middle part of the slotted-plate of the dynamic model side The first accepting groove of moving-mould-core is accommodated, dynamic model side flat board is fixed on and deviates from the compression mechanism spring installing plate side;Institute State cover half side slotted-plate and offer the second accepting groove for accommodating cover half core, positioned at dynamic model side slotted-plate away from described dynamic Mould side flat board side;Cover half side flat board is fixed on cover half side slotted-plate away from dynamic model side slotted-plate one side;
Moving-mould-core is contained in first accepting groove, cover half core is contained in second accepting groove, the cover half core includes: Core rod body, the forming light guide plate chamber for being arranged at the face of core rod body first, and it is arranged at the intrinsic temperature control water route of core rod, institute The spacing for stating temperature control water route and the face of core rod body first is more than temperature control water route and the spacing of core rod second body surface, the core rod sheet The face of body first deviates from moving-mould-core towards moving-mould-core, the second face;
Sprue bushing temperature adjustment water route is provided with the slotted-plate of the cover half side, the sprue bushing temperature adjustment water route includes:Set gradually and connect Sprue bushing inlet channel, the cross channel of sprue bushing first, sprue bushing first longitudinal direction water channel, sprue bushing around water channel, sprue bushing second longitudinal direction water Road, the cross channel of sprue bushing second and sprue bushing water outlet water channel, the sprue bushing are surrounded on sprue bushing surrounding around water channel, are longitudinally propped up by sprue bushing Road, sprue bushing transverse direction by-path, sprue bushing laterally prolong runner and sprue bushing and longitudinally prolong runner composition;
Thimble temperature adjustment water route is provided with the slotted-plate of the dynamic model side, the thimble temperature adjustment water route includes:Set gradually and connect Thimble inlet channel, the cross channel of thimble first, thimble first longitudinal direction water channel, thimble around water channel, thimble second longitudinal direction water Road, the cross channel of thimble second 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.
Described light guide plate compression mold, wherein, the temperature control water route is communicated with inlet channel and water outlet water channel, institute State inlet channel and water outlet water channel all includes perpendicular to temperature control water route, the temperature control water route:First for setting gradually and connecting is horizontal To water channel, first longitudinal direction water channel, the second cross channel, second longitudinal direction water channel, the 3rd cross channel, the 3rd longitudinal water channel and the 4th Cross channel;Second cross channel, second longitudinal direction water channel and the 3rd cross channel are located at immediately below forming light guide plate chamber.
Described light guide plate compression mold, wherein, the first longitudinal direction water channel, which is extended, the first extension water channel, The first extension water channel starting point is the junction of first longitudinal direction water channel and the first cross channel;The second longitudinal direction water channel extension The second extension water channel is provided with, the second extension water channel starting point is the junction of second longitudinal direction water channel and the second cross channel; 3rd longitudinal water channel, which is extended, the 3rd extension water channel, and the 3rd extension water channel starting point is the 3rd longitudinal water channel and the The junction of four cross channels.
Described light guide plate compression mold, wherein, the first longitudinal direction water channel and the first extension water channel, respectively with the Three longitudinal water channels and the 3rd extension water channel specular.
Described light guide plate compression mold, wherein, the first extension water channel, the second extension water channel and the 3rd extension Water channel is all set through core rod body, and is all fixed with sealing-plug in the impenetrating mouth of core rod body.
Described light guide plate compression mold, wherein, the sprue bushing inlet channel is horizontal perpendicular to the sprue bushing first Water channel, the sprue bushing water outlet water channel is perpendicular to the cross channel of sprue bushing second;The cross channel of sprue bushing first, sprue bushing first longitudinal direction Water channel, sprue bushing are in same horizontal line around water channel, sprue bushing second longitudinal direction water channel and the cross channel of sprue bushing second.
Described light guide plate compression mold, wherein, sprue bushing longitudinal direction by-path and the sprue bushing first longitudinal direction water channel It is coaxially disposed, first end is connected to sprue bushing first longitudinal direction water channel and sprue bushing the transverse direction by-path, purt described in the second end vertical connection Mouth laterally prolongs runner;
The sprue bushing transverse direction by-path first end is vertically connected at sprue bushing longitudinal direction by-path and the horizontal by-path intersection of sprue bushing first;Second Sprue bushing described in the vertical connection of end longitudinally prolongs runner.
Described light guide plate compression mold, wherein, the sprue bushing longitudinally prolongs runner and the sprue bushing second longitudinal direction water Road is coaxially disposed, and first end is vertically connected at sprue bushing transverse direction by-path, the second end vertical connection sprue bushing second longitudinal direction water channel and sprue bushing Laterally prolong runner;
The sprue bushing laterally prolongs runner first end and is vertically connected at sprue bushing longitudinal direction by-path, and the second end is vertically connected at the purt Mouth second longitudinal direction water channel and sprue bushing longitudinally prolong runner intersection.
A kind of light guide plate compression-molding method realized via light guide plate compression mold as described above, wherein, including Step is as follows:
Matched moulds:Dynamic model side slotted-plate and the movement of dynamic model side flat board, the spacing between adjustment and cover half side slotted-plate are dynamic after adjustment Headspace is provided between core rod and cover half core;
Vacuumize:Vacuum machine starts magnetic valve, and via the gas circuit in light guide plate compression mold, by forming light guide plate intracavitary Air extract out, forming light guide plate chamber is in vacuum state;
Injection:Injection machine, to light guide plate forming cavity and headspace injection, is left blank up to forming light guide plate chamber and in advance via sprue bushing Interior colloid is enough formed light conductive plate;
Compression:Dynamic model side slotted-plate and dynamic model side flat board compress towards cover half side slotted-plate, until dynamic model side slotted-plate and cover half Side slotted-plate fitting, and colloid fills up forming light guide plate chamber;
Ejection:Dynamic model side slotted-plate and dynamic model side flat board deviate from the movement of cover half side slotted-plate until the two resets, and thimble direction is fixed The slotted-plate movement of mould side, the light guide plate after shaping is ejected.
A kind of light guide plate compression mold, including compression mechanism spring installing plate and ejecting mechanism installing plate;Wherein, also Including:Dynamic model side flat board, dynamic model side slotted-plate, cover half side slotted-plate and the cover half side flat board set gradually, the dynamic model side is put down Plate is connected to compression mechanism spring installing plate and deviates from ejecting mechanism installing plate side;Use is offered in the middle part of the slotted-plate of the dynamic model side In the first accepting groove for accommodating moving-mould-core, it is fixed on dynamic model side flat board and deviates from the compression mechanism spring installing plate side; Cover half side slotted-plate offers the second accepting groove for accommodating cover half core, positioned at dynamic model side slotted-plate away from described Dynamic model side flat board side;Cover half side flat board is fixed on cover half side slotted-plate away from dynamic model side slotted-plate one side.
Compared with prior art, a kind of light guide plate compression mold provided by the present invention, by by traditional moulds Solid plate be divided into cover half side slotted-plate and cover half side flat board, and the moving platen in traditional moulds is divided into dynamic model side fluting Plate and dynamic model side flat board;So that slotted section and plate part can be processed respectively, difficulty of processing is reduced, and be effectively guaranteed Process the perpendicularity on the first accepting groove and the second accepting groove base.
Brief description of the drawings
Fig. 1 is the structural representation of light guide plate compression mold preferred embodiment provided by the invention.
Fig. 2 is the structural representation in thimble temperature adjustment water route in light guide plate compression mold preferred embodiment provided by the invention Figure.
Fig. 3 is the structural representation in sprue bushing temperature adjustment water route in light guide plate compression mold preferred embodiment provided by the invention Figure.
Fig. 4 is the structural representation in temperature control water route in light guide plate compression mold preferred embodiment provided by the invention.
Embodiment
The present invention provides a kind of light guide plate compression mold and light guide plate compression-molding method, to make the mesh of the present invention , technical scheme and advantage it is clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings. It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in figure 1, the invention provides a kind of light guide plate compression mold, it includes:The ejector set gradually Structure installing plate 4106, compression mechanism spring installing plate 4105, dynamic model side flat board 4104, dynamic model side slotted-plate 4103, cover half side are opened Frid 4102 and cover half side flat board 4101, dynamic model side flat board 4104 are connected to compression mechanism spring installing plate 4105 away from top Go out the side of mechanism's installing plate 4106;The middle part of dynamic model side slotted-plate 4103 offers the first accepting groove for accommodating moving-mould-core 4111, it is fixed on dynamic model side flat board 4104 and deviates from the side of compression mechanism spring installing plate 4105;Open the cover half side Frid 4102 offers the second accepting groove 4112 for accommodating cover half core, positioned at dynamic model side slotted-plate 4103 away from described The side of dynamic model side flat board 4104;Cover half side flat board 4101 is fixed on cover half side slotted-plate 4102 and deviates from the dynamic model side The one side of slotted-plate 4103;Moving-mould-core is contained in first accepting groove, cover half core is contained in second accepting groove.
As shown in Fig. 2 being provided with thimble temperature adjustment water route in the slotted-plate of the dynamic model side, the thimble temperature adjustment water route is preferable Embodiment includes:Thimble inlet channel 2101, the thimble set gradually surround water channel and thimble water outlet water channel 2102.And wherein Most important is exactly that thimble surround water channel, and preferably it is laterally prolonged by thimble longitudinal direction by-path 2403, thimble transverse direction by-path 2401, thimble Runner 2404 and thimble longitudinally prolong runner 2402 and formed.
Thimble longitudinal direction by-path 2403 and thimble laterally prolong runner 2404 and form thimble around two branch flow passages of water channel In one, and thimble transverse direction by-path 2401 and thimble longitudinally prolong runner 2402 and then form thimble around water channel two branch flow passages In another.It is readily understood that thimble is square around water channel, the control flowed by thimble inlet channel 2101 Warm water, in thimble around water channel punishment stream, then collaborate at thimble water outlet water channel 2102.
In the present invention further preferred embodiment, the thimble temperature adjustment water route includes:The top for setting gradually and connecting Pin inlet channel 2101, the first cross channel of thimble 2201, thimble first longitudinal direction water channel 2301, thimble are around water channel, thimble the Two longitudinal water channels 2302, the second cross channel of thimble 2202 and thimble water outlet water channel 2102, the thimble are surrounded on around water channel Thimble surrounding, laterally prolonged runner 2404 and thimble by thimble longitudinal direction by-path 2403, thimble transverse direction by-path 2401, thimble and longitudinally prolonged stream Road 2402 forms.
That is, in addition to thimble inlet channel 2101, thimble are around water channel and thimble water outlet water channel 2102, the thimble Temperature adjustment water route is also provided with the first cross channel of thimble 2201, thimble first longitudinal direction water channel 2301, thimble second longitudinal direction water channel 2302 and the second cross channel of thimble 2202, the setting of water channel described above is to reduce the mould temperature difference everywhere, improves mould Service life.
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 2101, the first cross channel of thimble 2201 and thimble first longitudinal direction water channel 2301, in thimble first longitudinal direction The exit of water channel 2301 starts to shunt, and one stream of water successively flows through thimble longitudinal direction by-path 2403 and thimble laterally prolongs runner 2404, thimble second longitudinal direction water channel 2302 is then flowed into, second strand of current successively flows through thimble transverse direction by-path 2401 and thimble is indulged To runner 2402 is prolonged, thimble second longitudinal direction water channel 2302 is then flowed into, that is to say, that two strands of current are in thimble second longitudinal direction runner Porch is converged, then by thimble second longitudinal direction flow passage to the second cross channel of thimble 2202, finally by thimble water outlet water Flow out in road 2102.The temperature control water flowed out can flow to water source, to be recycled, can also directly discharge.
In the present invention further preferred embodiment, the thimble inlet channel 2101 is horizontal perpendicular to the thimble first To water channel 2201, the thimble water outlet water channel 2102 is perpendicular to the second cross channel of thimble 2202.Why thimble is so set Inlet channel 2101 and thimble water outlet water channel 2102, it is that forming light guide plate compression mould connects water source for convenience.And the top The first cross channel of pin 2201, thimble first longitudinal direction water channel 2301, thimble are around water channel, thimble second longitudinal direction water channel 2302 and top The second cross channel of pin 2202 is then in same horizontal line.Several water channels are arranged in same horizontal line, are to accelerate Water velocity, improve temperature control efficiency.
Thimble longitudinal direction by-path 2403, thimble transverse direction by-path 2401, thimble laterally prolongs runner 2404 and thimble longitudinally prolongs Runner 2402 surrounds to form the first accommodating chamber, and thimble extends vertically through accommodating chamber setting.That is, thimble surround water channel from thimble Middle part pass through.
Thimble longitudinal direction by-path 2403 is coaxially disposed with the thimble first longitudinal direction water channel 2301, and first end is connected to institute Thimble first longitudinal direction water channel 2301 and thimble transverse direction by-path 2401 are stated, thimble described in the second end vertical connection laterally prolongs runner 2404;The first end of thimble transverse direction by-path 2401 is vertically connected at thimble longitudinal direction by-path 2403 and handed over the first horizontal by-path of thimble At remittance;Thimble described in second end vertical connection longitudinally prolongs runner 2402.
The thimble longitudinally prolongs runner 2402 and is coaxially disposed with the thimble second longitudinal direction water channel 2302, and first end vertically connects Thimble transverse direction by-path 2401 is connected to, the second end vertical connection thimble second longitudinal direction water channel 2302 and thimble laterally prolong runner 2404; The thimble laterally prolongs the first end of runner 2404 and is vertically connected at thimble longitudinal direction by-path 2403, and the second end is vertically connected at institute State thimble second longitudinal direction water channel 2302 and thimble longitudinally prolongs the intersection of runner 2402.
Sprue bushing temperature adjustment water route is provided with the slotted-plate of the cover half side, the sprue bushing inlet channel for setting gradually and connecting 1101st, the first cross channel of sprue bushing 1201, sprue bushing first longitudinal direction water channel 1301, sprue bushing are around water channel, sprue bushing second longitudinal direction water channel 1302nd, the second cross channel of sprue bushing 1202 and sprue bushing water outlet water channel 1102.The sprue bushing is surrounded on sprue bushing surrounding around water channel, by Sprue bushing longitudinal direction by-path 1403, sprue bushing transverse direction by-path 1401, sprue bushing, which laterally prolong runner 1404 and sprue bushing and laterally prolong runner 1402, to be formed.
Forming light guide plate compression mould external water source(The water source is also temperature regulating device, by controlling the temperature of current, so as to Control the temperature on sprue bushing periphery), and by water source convey Lai temperature control water, flow through sprue bushing inlet channel 1101, sprue bushing successively One cross channel 1201 and sprue bushing first longitudinal direction water channel 1301, start to shunt in the exit of sprue bushing first longitudinal direction water channel 1301, the One stream of water successively flows through sprue bushing longitudinal direction by-path 1403 and sprue bushing laterally prolongs runner 1404, then flows into sprue bushing second longitudinal direction water channel 1302, second strand of current successively flows through sprue bushing transverse direction by-path 1401 and sprue bushing laterally prolongs runner 1402, then flows into sprue bushing second Longitudinal water channel 1302, that is to say, that two strands of current converge in sprue bushing second longitudinal direction flow passage entry, then by sprue bushing second longitudinal direction Flow passage is finally flowed out to the second cross channel of sprue bushing 1202 by sprue bushing water outlet water channel 1102.The temperature control water flowed out can flow To water source, to be recycled, can also directly discharge.
In the present invention further preferred embodiment, the sprue bushing inlet channel 1101 is horizontal perpendicular to the sprue bushing first To water channel 1201, the sprue bushing water outlet water channel 1102 is perpendicular to the second cross channel of sprue bushing 1202.Why sprue bushing is so set Inlet channel 1101 and sprue bushing water outlet water channel 1102, it is that forming light guide plate compression mould connects water source for convenience.And the purt The first cross channel of mouth 1201, sprue bushing first longitudinal direction water channel 1301, sprue bushing are around water channel, sprue bushing second longitudinal direction water channel 1302 and purt The second cross channel of mouth 1202 is then in same horizontal line.Several water channels are arranged in same horizontal line, are to accelerate Water velocity, improve temperature control efficiency.
Sprue bushing longitudinal direction by-path 1403, sprue bushing transverse direction by-path 1401, sprue bushing laterally prolongs runner 1404 and sprue bushing laterally prolongs Runner 1402 surrounds to form the first accommodating chamber, and sprue bushing extends vertically through accommodating chamber setting.That is, sprue bushing surround water channel from sprue bushing Middle part pass through.
Sprue bushing longitudinal direction by-path 1403 is coaxially disposed with the sprue bushing first longitudinal direction water channel 1301, and first end is connected to institute Sprue bushing first longitudinal direction water channel 1301 and sprue bushing transverse direction by-path 1401 are stated, sprue bushing described in the second end vertical connection laterally prolongs runner 1404;The first end of sprue bushing transverse direction by-path 1401 is vertically connected at sprue bushing longitudinal direction by-path 1403 and handed over the first horizontal by-path of sprue bushing At remittance;Sprue bushing described in second end vertical connection laterally prolongs runner 1402.
The sprue bushing laterally prolongs runner 1402 and is coaxially disposed with the sprue bushing second longitudinal direction water channel 1302, and first end vertically connects Sprue bushing transverse direction by-path 1401 is connected to, the second end vertical connection sprue bushing second longitudinal direction water channel 1302 and sprue bushing laterally prolong runner 1404; The sprue bushing laterally prolongs the first end of runner 1404 and is vertically connected at sprue bushing longitudinal direction by-path 1403, and the second end is vertically connected at institute State sprue bushing second longitudinal direction water channel 1302 and sprue bushing laterally prolongs the intersection of runner 1402.
The cover half core includes:Core rod body, the forming light guide plate chamber for being arranged at the face of core rod body first, and be arranged at The intrinsic temperature control water route of core rod, the spacing in the temperature control water route and the face of core rod body first are more than temperature control water route and core rod body The spacing in the second face, the face of core rod body first deviate from moving-mould-core towards moving-mould-core, the second face.
Why temperature control water route is set away from forming light guide plate chamber, be to ensure that temperature control water can be by temperature control water route Gradually to surrounding diffusion temperature, the temperature difference of whole forming light guide plate chamber everywhere is set to reduce as far as possible, and if by it close to leading Tabula rasa forming cavity, because the high temperature in temperature control water route influences, the light guide plate end face after being molded will be caused to have similar to temperature control water route Impression, cause product unavailable.
The temperature control water route is communicated with inlet channel and water outlet water channel, and the inlet channel and water outlet water channel are all perpendicular to control Warm water road.Why inlet channel and water outlet water channel are so set, are that forming light guide plate compression mould connects water source for convenience.
In the specific implementation, the temperature control water route includes:The first cross channel 101, first for setting gradually and connecting is vertical To water channel 201, the second cross channel 102, second longitudinal direction water channel 202, the 3rd cross channel 103, the 3rd longitudinal water channel 203 and Four cross channels 104;Second cross channel 102, the cross channel 103 of second longitudinal direction water channel 202 and the 3rd are located at light guide plate Immediately below forming cavity.It is preferred that each water channel is in same horizontal line in the temperature control water route, to accelerate water velocity, temperature control is improved Efficiency.
In the present invention further preferred embodiment, the first longitudinal direction water channel 201, which is extended, the first extension Water channel 301, the first extension water channel 301 starting point are the junction of the cross channel 101 of first longitudinal direction water channel 201 and first.This Invention sets the first extension water channel 301, is in order that temperature control water can be by first extension water channel 301 control the first extension water channel The temperature of 301 perimeter dies, so as to reduce the temperature difference of cover half core everywhere.
The same reason as above, the present invention is also provided with the second extension water channel 302 and the 3rd extension water channel 303.Specially: The second longitudinal direction water channel 202, which is extended, the second extension water channel 302, and the second extension water channel 302 starting point is second vertical To the junction of the cross channel 102 of water channel 202 and second.3rd longitudinal water channel 203, which is extended, the 3rd extension water channel 303, the 3rd extension water channel 303 starting point is the junction of the 3rd longitudinal cross channel 104 of water channel 203 and the 4th.
The first longitudinal direction water channel 201 and first extends water channel 301, extends respectively with the 3rd longitudinal water channel 203 and the 3rd The specular of water channel 303.It is to reduce control difficulty why two groups of water channels to be arranged into specular, and it is accurate to improve control Degree.
The first extension water channel 301, second extends the extension water channel 303 of water channel 302 and the 3rd and all set through core rod body Put, and sealing-plug is all fixed with the impenetrating mouth of core rod body.The setting one of sealing-plug is to reduce difficulty of processing(It is logical The difficulty of processing in hole will be less than deep trouth, and machining accuracy is then higher than deep trouth), second, in order to improve cleaning debris, reduce maintenance Maintenance difficulties.
Present invention also offers a kind of forming light guide plate compression mould, its spy includes being used for forming light guide plate as described above The cover half core of compression mould.
In addition to above-mentioned mould, present invention also offers another forming light guide plate compression mould, and it includes two as above The described cover half core for forming light guide plate compression mould, two cover half cores share a cast gate, and one of cover half core Turn clockwise along cast gate axle center and overlapped with another cover half core after 90 °.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect scope.

Claims (10)

1. a kind of light guide plate compression mold, including compression mechanism spring installing plate and ejecting mechanism installing plate;Its feature exists In, in addition to:Dynamic model side flat board, dynamic model side slotted-plate, cover half side slotted-plate and the cover half side flat board set gradually, the dynamic model Side flat board is connected to compression mechanism spring installing plate and deviates from ejecting mechanism installing plate side;Opened up in the middle part of the slotted-plate of the dynamic model side There is the first accepting groove for accommodating moving-mould-core, be fixed on dynamic model side flat board and deviate from the compression mechanism spring installing plate one Side;Cover half side slotted-plate offers the second accepting groove for accommodating cover half core, and positioned at the dynamic model side, slotted-plate deviates from The dynamic model side flat board side;Cover half side flat board is fixed on cover half side slotted-plate and deviates from dynamic model side slotted-plate one Face;
Moving-mould-core is contained in first accepting groove, cover half core is contained in second accepting groove, the cover half core includes: Core rod body, the forming light guide plate chamber for being arranged at the face of core rod body first, and it is arranged at the intrinsic temperature control water route of core rod, institute The spacing for stating temperature control water route and the face of core rod body first is more than temperature control water route and the spacing of core rod second body surface, the core rod sheet The face of body first deviates from moving-mould-core towards moving-mould-core, the second face;
Sprue bushing temperature adjustment water route is provided with the slotted-plate of the cover half side, the sprue bushing temperature adjustment water route includes:Set gradually and connect Sprue bushing inlet channel, the cross channel of sprue bushing first, sprue bushing first longitudinal direction water channel, sprue bushing around water channel, sprue bushing second longitudinal direction water Road, the cross channel of sprue bushing second and sprue bushing water outlet water channel, the sprue bushing are surrounded on sprue bushing surrounding around water channel, are longitudinally propped up by sprue bushing Road, sprue bushing transverse direction by-path, sprue bushing laterally prolong runner and sprue bushing and longitudinally prolong runner composition;
Thimble temperature adjustment water route is provided with the slotted-plate of the dynamic model side, the thimble temperature adjustment water route includes:Set gradually and connect Thimble inlet channel, the cross channel of thimble first, thimble first longitudinal direction water channel, thimble around water channel, thimble second longitudinal direction water Road, the cross channel of thimble second 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.
2. light guide plate compression mold according to claim 1, it is characterised in that the temperature control water route is communicated with into water Water channel and water outlet water channel, the inlet channel and water outlet water channel all include perpendicular to temperature control water route, the temperature control water route:Set successively The first cross channel for putting and connecting, first longitudinal direction water channel, the second cross channel, second longitudinal direction water channel, the 3rd cross channel, Three longitudinal water channels and the 4th cross channel;Second cross channel, second longitudinal direction water channel and the 3rd cross channel are positioned at leaded light Immediately below sheet metal forming chamber.
3. light guide plate compression mold according to claim 2, it is characterised in that the first longitudinal direction water channel extension is set The first extension water channel is equipped with, the first extension water channel starting point is the junction of first longitudinal direction water channel and the first cross channel;Institute Stating second longitudinal direction water channel and being extended has the second extension water channel, and the second extension water channel starting point is second longitudinal direction water channel and second The junction of cross channel;3rd longitudinal water channel, which is extended, the 3rd extension water channel, the 3rd extension water channel starting point For the junction of the 3rd longitudinal water channel and the 4th cross channel.
4. light guide plate compression mold according to claim 3, it is characterised in that the first longitudinal direction water channel and first Extend water channel, extend water channel specular with the 3rd longitudinal water channel and the 3rd respectively.
5. light guide plate compression mold according to claim 3, it is characterised in that the first extension water channel, second Extend water channel and the 3rd extension water channel is all set through core rod body, and sealing is all fixed with the impenetrating mouth of core rod body Plug.
6. light guide plate compression mold according to claim 1, it is characterised in that the sprue bushing inlet channel perpendicular to The cross channel of sprue bushing first, the sprue bushing water outlet water channel is perpendicular to the cross channel of sprue bushing second;The sprue bushing first is laterally Water channel, sprue bushing first longitudinal direction water channel, sprue bushing are in same around water channel, sprue bushing second longitudinal direction water channel and the cross channel of sprue bushing second On horizontal line.
7. light guide plate compression mold according to claim 6, it is characterised in that sprue bushing longitudinal direction by-path with it is described Sprue bushing first longitudinal direction water channel is coaxially disposed, and first end is connected to sprue bushing first longitudinal direction water channel and sprue bushing the transverse direction by-path, and second Sprue bushing described in the vertical connection of end laterally prolongs runner;
The sprue bushing transverse direction by-path first end is vertically connected at sprue bushing longitudinal direction by-path and the horizontal by-path intersection of sprue bushing first;Second Sprue bushing described in the vertical connection of end longitudinally prolongs runner.
8. light guide plate compression mold according to claim 6, it is characterised in that the sprue bushing longitudinally prolongs runner and institute State sprue bushing second longitudinal direction water channel to be coaxially disposed, first end is vertically connected at sprue bushing transverse direction by-path, the second end vertical connection sprue bushing Two longitudinal water channels and sprue bushing laterally prolong runner;
The sprue bushing laterally prolongs runner first end and is vertically connected at sprue bushing longitudinal direction by-path, and the second end is vertically connected at the purt Mouth second longitudinal direction water channel and sprue bushing longitudinally prolong runner intersection.
9. a kind of light guide plate compression-molding method realized via light guide plate compression mold described in claim 1, its feature It is, including step is as follows:
Matched moulds:Dynamic model side slotted-plate and the movement of dynamic model side flat board, the spacing between adjustment and cover half side slotted-plate are dynamic after adjustment Headspace is provided between core rod and cover half core;
Vacuumize:Vacuum machine starts magnetic valve, and via the gas circuit in light guide plate compression mold, by forming light guide plate intracavitary Air extract out, forming light guide plate chamber is in vacuum state;
Injection:Injection machine, to light guide plate forming cavity and headspace injection, is left blank up to forming light guide plate chamber and in advance via sprue bushing Interior colloid is enough formed light conductive plate;
Compression:Dynamic model side slotted-plate and dynamic model side flat board compress towards cover half side slotted-plate, until dynamic model side slotted-plate and cover half Side slotted-plate fitting, and colloid fills up forming light guide plate chamber;
Ejection:Dynamic model side slotted-plate and dynamic model side flat board deviate from the movement of cover half side slotted-plate until the two resets, and thimble direction is fixed The slotted-plate movement of mould side, the light guide plate after shaping is ejected.
10. a kind of light guide plate compression mold, including compression mechanism spring installing plate and ejecting mechanism installing plate;Its feature exists In, in addition to:Dynamic model side flat board, dynamic model side slotted-plate, cover half side slotted-plate and the cover half side flat board set gradually, the dynamic model Side flat board is connected to compression mechanism spring installing plate and deviates from ejecting mechanism installing plate side;Opened up in the middle part of the slotted-plate of the dynamic model side There is the first accepting groove for accommodating moving-mould-core, be fixed on dynamic model side flat board and deviate from the compression mechanism spring installing plate one Side;Cover half side slotted-plate offers the second accepting groove for accommodating cover half core, and positioned at the dynamic model side, slotted-plate deviates from The dynamic model side flat board side;Cover half side flat board is fixed on cover half side slotted-plate and deviates from dynamic model side slotted-plate one Face.
CN201710666303.0A 2017-08-07 2017-08-07 light guide plate compression forming die and light guide plate compression forming method Active CN107379417B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710666303.0A CN107379417B (en) 2017-08-07 2017-08-07 light guide plate compression forming die and light guide plate compression forming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710666303.0A CN107379417B (en) 2017-08-07 2017-08-07 light guide plate compression forming die and light guide plate compression forming method

Publications (2)

Publication Number Publication Date
CN107379417A true CN107379417A (en) 2017-11-24
CN107379417B CN107379417B (en) 2019-12-10

Family

ID=60343889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710666303.0A Active CN107379417B (en) 2017-08-07 2017-08-07 light guide plate compression forming die and light guide plate compression forming method

Country Status (1)

Country Link
CN (1) CN107379417B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109049771A (en) * 2018-08-10 2018-12-21 深圳市南极光电子科技股份有限公司 A kind of forming light guide plate method, forming light guide plate system and cutting tool
CN112848113A (en) * 2021-01-07 2021-05-28 东莞市元立电子科技有限公司 Compression mold for oil cylinder of light guide plate
CN114311517A (en) * 2022-01-17 2022-04-12 安徽理工大学 Injection molding and mold reversing integrated device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357502A (en) * 2007-08-02 2009-02-04 株式会社名机制作所 Forming die and forming method of light guide plate
CN207059101U (en) * 2017-08-07 2018-03-02 深圳市南极光电子科技有限公司 Light guide plate compression mold

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357502A (en) * 2007-08-02 2009-02-04 株式会社名机制作所 Forming die and forming method of light guide plate
CN207059101U (en) * 2017-08-07 2018-03-02 深圳市南极光电子科技有限公司 Light guide plate compression mold

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109049771A (en) * 2018-08-10 2018-12-21 深圳市南极光电子科技股份有限公司 A kind of forming light guide plate method, forming light guide plate system and cutting tool
CN112848113A (en) * 2021-01-07 2021-05-28 东莞市元立电子科技有限公司 Compression mold for oil cylinder of light guide plate
CN114311517A (en) * 2022-01-17 2022-04-12 安徽理工大学 Injection molding and mold reversing integrated device

Also Published As

Publication number Publication date
CN107379417B (en) 2019-12-10

Similar Documents

Publication Publication Date Title
CN107379417A (en) Light guide plate compression mold and light guide plate compression-molding method
CN205326142U (en) Thin mouth of a river of three -plate mold mould
CN208513618U (en) A kind of mould for pump body
CN208497428U (en) A kind of mould structure in the efficiently cooling special-shaped water route of 3D printing
CN207059101U (en) Light guide plate compression mold
CN107498788A (en) Forming light guide plate method based on compression forming
CN207290766U (en) A kind of flow passage structure applied to light guide plate compression mold
CN208305704U (en) The fervent mould structure at the mouth of a river in a kind of mould
CN107755662A (en) A kind of horizontal plunger die casting machine
CN208867474U (en) Hot runner injection forming mold applied to shaping mobile phone casing
CN203831731U (en) Tunnel slide air discharging mold
CN207077729U (en) Bottle cap mold Waterway cooling structure
CN209578128U (en) A kind of mold being used to position steel ring equipped with spring pin
CN206780876U (en) Dive under water into the plastic mould of glue at a kind of thin mouth of a river
CN207059081U (en) A kind of injection structure applied to light guide plate compression mold
CN209063436U (en) A kind of accurate miniature is molded into glue upper case structure
CN209094464U (en) A kind of cavity plate of engine front mounting bracket precoated sand mold
CN208867475U (en) Lampshade injection forming mold
CN207901563U (en) A kind of proximate matter muscle draws the automotive bumper mold of bridge protection
CN208558164U (en) Frame mould above a kind of washing machine
CN107599294B (en) Vacuum forming method, light guide plate and mold applied to light guide plate forming mould
CN205997285U (en) A kind of die venting structure
CN205393497U (en) Be used for fashioned split type mould of engine air throttle casting
CN219213807U (en) Promote novel solidification machine of ear mould curing effect
CN108582673A (en) Rubber loop mould

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 518104 Guangdong city of Shenzhen province Baoan District manhole street and a new North Wing Lusa Science Park 1 to 8, 16 to 23 (fourth to fifth 1-4 floor, eighth floor of Building 2, building sixteenth, building 2)

Applicant after: Shenzhen Antarctic optoelectronic Polytron Technologies Inc

Address before: 518104 Guangdong city of Shenzhen province Baoan District manhole street and a new North Wing Lusa Science Park 1 to 8, 16 to 23 (fourth to fifth 1-4 floor, eighth floor of Building 2, building sixteenth, building 2)

Applicant before: Shenzhen Nanjiguang Electronic Technology Co., Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant