CN110076964A - A kind of liquid-state silicon gel cold runner die - Google Patents
A kind of liquid-state silicon gel cold runner die Download PDFInfo
- Publication number
- CN110076964A CN110076964A CN201910495040.0A CN201910495040A CN110076964A CN 110076964 A CN110076964 A CN 110076964A CN 201910495040 A CN201910495040 A CN 201910495040A CN 110076964 A CN110076964 A CN 110076964A
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- Prior art keywords
- plate
- cold runner
- type chamber
- liquid
- fixed plate
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 24
- 239000010703 silicon Substances 0.000 title claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000499 gel Substances 0.000 abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 13
- 239000000741 silica gel Substances 0.000 abstract description 13
- 229910002027 silica gel Inorganic materials 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 10
- 238000004513 sizing Methods 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 5
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2608—Mould seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
- B29C45/345—Moulds having venting means using a porous mould wall or a part thereof, e.g. made of sintered metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
- B29C2045/2753—Heating means and cooling means, e.g. heating the runner nozzle and cooling the nozzle tip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of liquid-state silicon gel cold runner die, it is related to silica gel mould manufacturing technology field, the mold has mode, the mode includes the concave template, stripper plate and convex template being stacked, it is corresponded on concave template and is equipped with gas vent at the stream end of type chamber, exhaust bore end is equipped with sealing ring, type chamber and gas vent are located in the sealing area that sealing ring encloses for being connected to vacuum pump between concave template and stripper plate.By the way that sealing ring is arranged in mode, it is located at various chamber in sealed environment, various chamber is connected to gas vent, after mold closure, type chamber is evacuated rapidly by vacuum pump, vacuum carries out sizing material injection after reaching specified degree again, to avoid the occurrence of serious trapped gas phenomenon, the quality defects such as starved occurs so as to cause silica gel product.
Description
Technical field
The present invention relates to silica gel mould manufacturing technology fields, more particularly to a kind of liquid-state silicon gel cold runner die.
Background technique
As silica gel product is in the extensive use of daily-use chemical industry, medical treatment, electronics and automobile and other industries, in order to realize that silica gel adds
Industrial high-efficient rate, high quality and low cost production, liquid-state silicon gel (LSR) injection molding technology are rapidly developed.It is existing
Liquid-state silicon gel injection molding have the disadvantage in that
(1) liquid-state silicon gel injection forming uses pin valve nozzle, and the double thread pin valve nozzle of traditional structure, water flow is from a spiral shell
When rotation water route is input to double helix water route intersection, water flow can not be exported ideally from another spiral water route, but have portion
Point water flow original road is turned back, accordingly, it is possible to cause pin valve nozzle temperature excessively high.
(2) liquid-state silicon gel solidification needs higher temperature, the air in mold cavity because high temperature and injection pressure compression,
It is easy to appear serious trapped gas phenomenon in the filling end of silica gel stream, the qualities such as starved occurs so as to cause silica gel product and lacks
It falls into.
(3) flow passage system of common silica gel injection molding is hot runner system, and in injection process, nozzle and type chamber are in together
In the state of hot plate heating, the sizing material in nozzle and the sizing material temperature in type chamber increase and solidify after injection.In nozzle
To injection later, there are retardations for meeting after silica gel solidifies, and reduce the working efficiency of injection, in addition, can not return after silica gel solidification
It receives and utilizes, therefore, cause the waste to silica gel materials.
(4) liquid-state silicon gel mold is to balance requirement and harshness, and since LSR viscosity is high, the processing of good fluidity, mold is missed
It is uneven that difference or mould temperature error will lead to mobility, if imbalance will cause tune machine and be difficult to control, causes local trapped gas or hair
Side.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid-state silicon gel cold runner die, solves the problems, such as that the exhaust of type chamber is bad, keep away
Exempt from serious trapped gas phenomenon occur, silica gel product is caused the quality defects such as starved occur.
To achieve the above object, the invention adopts the following technical scheme:
A kind of liquid-state silicon gel cold runner die, have mode, the mode include the concave template being stacked, stripper plate and
Convex template corresponds on concave template and is equipped with gas vent at the stream end of type chamber, and exhaust bore end is for being connected to vacuum pump, concave template
Sealing ring is equipped between stripper plate, type chamber and gas vent are located in the sealing area that sealing ring encloses.
Further, mold tool is set there are two type chamber group, each type chamber group has in each mode there are two mode
Symmetrical four type chambers two-by-two, each type chamber group are arranged in a sealing ring, and each type chamber group is corresponded on concave template equipped with two
A gas vent, for each gas vent between two adjacent type chambers, concave template is equipped with the groove for setting sealing ring, groove
Gas vent is connected to by type chamber.
Further, each type chamber is configured with a pin valve nozzle, and pin valve nozzle includes needle, mouth core and muzzle, mouth
It is nested on mouth core, needle is set in mouth core, and pin valve nozzle and type chamber correspond；The mouth outer core is equipped with rotation direction
Identical first spiral water route and the second spiral water route, mouth outer core lower end are equipped with water flow buffer zone, the first spiral water route
The end in end and the second spiral water route is connected with the water flow buffer zone, and water flow buffer zone bottom wall is extended a resistance
Stopper, the water flow for being input to water flow buffer zone from the first spiral water route or the second spiral water route are obstructed after stopper stops and be oriented to
It is exported from another spiral water route.
Further, the mold further includes cold runner mainboard and cold runner cover board, and cold runner mainboard is equipped with cold runner,
Cold runner end is equipped with injection canal, and the feed inlet of pin valve nozzle is connected to injection canal, the injection molding mouth communicate-type of pin valve nozzle
Chamber, needle are set in injection canal.
Further, it is equipped with coldplate below the cold runner mainboard, is equipped with cooling water channel in coldplate, pin valve nozzle
The cooling water channel in double helix water route connection coldplate on mouth outer core.
Further, needle fixed plate is equipped with above the cold runner cover board, it is solid that the upper end of each needle is each attached to needle
On fixed board, the two sides of needle fixed plate are respectively provided with the oil cylinder that a valve needle fixed plate moves up and down.
Further, it is equipped with the first heating plate above the concave template, the second heating plate is equipped with below convex template, first adds
It is equipped with heating rod on hot plate and the second heating plate, the first thermal insulation board, the second heating plate lower section are equipped with above the first heating plate
Equipped with the second thermal insulation board, concave template and convex template are equipped with temp.-sensing wire.
Further, the mold further includes cover half fixed plate and dynamic mould fixing plate, is equipped with seat board below dynamic mould fixing plate,
For mode between cover half fixed plate and dynamic mould fixing plate, it is heat-insulated that the surrounding of cover half fixed plate and dynamic mould fixing plate is equipped with side
Plate, cover half fixed plate are located at below coldplate, are equipped with third thermal insulation board between cover half fixed plate and coldplate, dynamic mould fixing plate and
It is equipped with the 4th thermal insulation board between seat board, is equipped with heating rod on cover half fixed plate and dynamic mould fixing plate.
Further, be equipped with ejecting mechanism below the stripper plate, the ejecting mechanism include push rod, ejector pin retaining plate and
Push rod push plate, push rod upper end abut stripper plate, and push rod lower end is clamped by ejector pin retaining plate and push rod push plate, pushed by ejecting mechanism
Stripper plate, which moves up, makes product break away from moulds.
Compared with prior art, the invention has the following advantages that
1, by the way that sealing ring is arranged in mode, it is located at various chamber in sealed environment, various chamber is connected to gas vent, mold
After closure, type chamber is evacuated rapidly by vacuum pump, vacuum carries out sizing material injection after reaching specified degree again, to keep away
Exempt from serious trapped gas phenomenon occur, silica gel product is caused the quality defects such as starved occur.
2, it is improved by the structure in the double helix water route of lip-syncing core, cooling water is input to water flow caching from a water route
It is exported behind region from another water route, improves the cooling effect of pin valve nozzle, keep the cooling of pin valve nozzle more uniform, to fill
Divide cooling mouth core, guarantees that the sizing material into before type chamber is in uniform normal temperature state, cooling effect is good.
3, it is all provided with below cover half fixed plate and the surrounding of dynamic mould fixing plate, the top of cover half fixed plate and dynamic mould fixing plate
There is thermal insulation board, to realize heat-insulated, heating efficiency of the raising to type chamber to cover half fixed plate and dynamic mould fixing plate, diminution part
Temperature difference, and effective temperature isolation is formed between the die cavity and cold runner of heat, the sizing material in guarantee cold runner is not
It can solidify.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the liquid-state silicon gel cold runner die of the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the half sectional view of the line A-A in Fig. 2；
Fig. 4 is the half sectional view of the line B-B in Fig. 2；
Fig. 5 is the stereoscopic schematic diagram of the concave template of the embodiment of the present invention；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the stereoscopic schematic diagram of the mouth core of the embodiment of the present invention；
Fig. 8 is the end view of Fig. 7；
Fig. 9 is the cross-sectional view of the line A-A in Fig. 8.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 to Fig. 6 is please referred to, the present embodiment provides a kind of liquid-state silicon gel cold runner dies, have mode 8, and mode 8 includes
Concave template 81, stripper plate 82 and the convex template 83 being stacked correspond on concave template 81 and are equipped with exhaust at the stream end of type chamber
Hole 811,811 end of gas vent are used for the vacuum pump being connected to outside the mold, and sealing ring is equipped between concave template 81 and stripper plate 82,
Type chamber and gas vent 811 are located in the sealing area that sealing ring encloses.
If the air in type chamber cannot be drained completely before by liquid-state silicon gel injection type chamber, the air in type chamber because of high temperature and
There is trapped gas phenomenon in stream filling end, the quality defects such as starved occurs so as to cause product in the compression of injection pressure.At this
In embodiment, mold arrangement has vacuum pump, and the end of each gas vent 811 is connected to vacuum pump, fast by vacuum pump after mold is closed
Type chamber is evacuated by speed, and vacuum carries out sizing material injection after reaching specified degree again, to avoid leading to product because of trapped gas
Defect.
In the present embodiment, specifically, refering to fig. 1, Fig. 5 and Fig. 6, mold tool is there are two mode 8, in each mode 8
If each type chamber group has symmetrical four type chambers two-by-two there are two type chamber group, each type chamber group is arranged in a sealing ring,
Each type chamber group is corresponded on concave template 81 to set there are two gas vent 811, each gas vent 811 between two adjacent type chambers,
Concave template 81 is equipped with the groove 812 for setting sealing ring, and groove 812 is connected to gas vent 811 by type chamber.
Mold provided in this embodiment further includes cold runner mainboard 3, cold runner cover board 2 and needle-valve referring to FIG. 1 to FIG. 4,
Nozzle 9, cold runner mainboard 3 are equipped with cold runner, and cold runner end is equipped with injection canal, and pin valve nozzle 9 includes needle 93, mouth
Core 91 and muzzle 92, muzzle 92 are nested on mouth core 91, and needle 93 is set in mouth core 91, and pin valve nozzle 9 and type chamber one are a pair of
It answers, the feed inlet of pin valve nozzle 9 is connected to injection canal, and the injection molding mouth communicate-type chamber of pin valve nozzle 9, needle 93 is set in injection
In channel, the injection volume of pin valve nozzle 9 is controlled by moving up and down for control needle 93.Cold runner mainboard 3 and cold flow drive cap
It is equipped with cooling water channel on plate 2, to guarantee the control of the sizing material temperature in cold runner below curing temperature, it is ensured that LSR will not be
Solidify in cold runner.
Please refer to Fig. 7 to Fig. 9, in this embodiment, it is equipped with coldplate 4 below cold runner mainboard 3, is set in coldplate 4
There is cooling water channel.91 outer wall of mouth core of pin valve nozzle 9 is equipped with double helix water route, and double helix water route is connected to cold in coldplate 4
But water route.91 outer wall of mouth core is equipped with rotation direction identical first spiral water route 911 and the second spiral water route 912,91 outer wall of mouth core
Lower end is equipped with water flow buffer zone 913, the end in the end in the first spiral water route 911 and the second spiral water route 912 with the water
Stream buffer zone 913 is connected, and 913 bottom wall of water flow buffer zone is extended a blocking portion 914, from the first spiral water route 911
Or second spiral water route 912 be input to the water flow stopper 914 of being obstructed of water flow buffer zone 913 and stop and after being oriented to from another spiral shell
Revolve water route output, it is ensured that water flow will not turn back toward former road, improve the uniformity and cooling efficiency of flow of cooling water, be fully cooled
Mouth core 91, the sizing material before guaranteeing to enter type chamber be in uniform normal temperature state, and plastic emitting is uniform, and the glue inside pin valve nozzle 9 will not be by
Solidification guarantees continuous production.
Since LSR needs are heating and curing and could form product, LSR expands with heat and contract with cold, the control of 8 mould temperature of mode needs 120 DEG C-
Between 160 DEG C, Mo Wentaigao, LSR solidification are too fast, and mobility is too poor, and product is difficult to beat full；Mo Wentai is low, product vulcanization time
Too slow, efficiency is too low.When heating to mode 8, template can expand with heat and contract with cold, the Control Thermal Deformation between dynamic model and cover half be LSR at
The key of type, it is therefore, very crucial to the accurate control of mould temperature.
In the present embodiment, it is equipped with the first heating plate 84 above concave template 81, is equipped with the second heating plate below convex template 83
85, it is equipped with heating rod in the first heating plate 84 and the second heating plate 85, is equipped with the first thermal insulation board above the first heating plate 84
86, the second thermal insulation board 87 is equipped with below the second heating plate 85.Concave template 81 and convex template 83 are equipped with temp.-sensing wire, accurately to detect
Cavity temperature.Mode 8 is isolated for first thermal insulation board 86 and the second thermal insulation board 87, is guaranteed have enough power to heat to mode 8, is made type
The more uniform stabilization of chamber temperature, is conducive to provide the stability of product quality.
Referring to FIG. 1 to FIG. 4, in the present embodiment, this mold further includes cover half fixed plate 5 and dynamic mould fixing plate 6, dynamic model
Seat board 7 is equipped with below fixed plate 6, mode 8 is between cover half fixed plate 5 and dynamic mould fixing plate 6, cover half fixed plate 5 and dynamic model
The surrounding of fixed plate 6 is equipped with side thermal insulation board 13, and cover half fixed plate 5 is located at 4 lower section of coldplate, cover half fixed plate 5 and coldplate 4
Between be equipped with third thermal insulation board 10, between dynamic mould fixing plate 6 and seat board 7 be equipped with the 4th thermal insulation board 11, cover half fixed plate 5 and dynamic model
Heating rod is equipped in fixed plate 6.Each thermal insulation board can be reduced the thermal loss of cover half fixed plate 5 and dynamic mould fixing plate 6, raising pair
The heating efficiency and cover half fixed plate 5 and the temperature uniformity of dynamic mould fixing plate 6 of cover half fixed plate 5 and dynamic mould fixing plate 6 and
Stability.Coldplate 4 and cover half fixed plate 5 are isolated by third thermal insulation board 10, to ensure that liquid-state silicon gel will not be in cold runner
Vulcanize in pin valve nozzle 9, plug nozzle, facilitates to reduce waste material generation, save the cost in this way.
In the present embodiment, needle fixed plate 14 is equipped with above cold runner cover board 2, the upper end of each needle 93 is each attached to valve
Needle fixed plate 14, the two sides of needle fixed plate 14 are respectively provided with the oil cylinder that a valve needle fixed plate 14 moves up and down.LSR
Injection balance require very harsh, since LSR viscosity is high, good fluidity, mismachining tolerance or mould temperature error will lead to flowing
Property inhomogeneities causes local trapped gas or flash if imbalance will cause tune machine and be difficult to control.Mold provided in this embodiment
16 type chambers are shared, pin valve nozzle 9 also correspondingly is provided with 16, and each needle 93 is fixed on jointly in same needle fixed plate 14,
Oil cylinder valve needle fixed plate 14 is mobile, so that all needle-valve synchronizing movings are driven, thus the injection of synchronously control all models chamber
Amount, guarantees that each product is uniform.
Ejecting mechanism 12 is equipped with below stripper plate 82, ejecting mechanism 12 includes push rod 121, ejector pin retaining plate 122 and push rod
Push plate 123,121 upper end of push rod abut stripper plate 82, and 121 lower end of push rod is clamped by ejector pin retaining plate 122 and push rod push plate 123,
Pushing stripper plate 82 to move up by ejecting mechanism 12 makes product break away from moulds.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (9)
1. a kind of liquid-state silicon gel cold runner die has mode, it is characterised in that: the mode includes the cavity plate being stacked
Plate, stripper plate and convex template correspond on concave template and are equipped with gas vent at the stream end of type chamber, and exhaust bore end is true for being connected to
Sky pump, is equipped with sealing ring, type chamber and gas vent are located in the sealing area that sealing ring encloses between concave template and stripper plate.
2. liquid-state silicon gel cold runner die according to claim 1, it is characterised in that: the mold has there are two mode,
It is set in each mode there are two type chamber group, each type chamber group has symmetrical four type chambers two-by-two, and each type chamber group is arranged one
Each type chamber group is corresponded in a sealing ring, on concave template to set there are two gas vent, each gas vent be located at two adjacent type chambers it
Between, concave template is equipped with the groove for setting sealing ring, and groove is connected to gas vent by type chamber.
3. liquid-state silicon gel cold runner die according to claim 1, it is characterised in that: each type chamber is configured with a needle-valve
Nozzle, pin valve nozzle includes needle, mouth core and muzzle, and muzzle is nested on mouth core, and needle is set in mouth core, pin valve nozzle
It is corresponded with type chamber；The mouth outer core is equipped with rotation direction identical first spiral water route and the second spiral water route, outside mouth core
Wall lower end is equipped with water flow buffer zone, the end in the end in the first spiral water route and the second spiral water route with the water flow buffer area
Domain is connected, and water flow buffer zone bottom wall is extended a blocking portion, is input to from the first spiral water route or the second spiral water route
The water flow of water flow buffer zone is obstructed after stopper stops and is oriented to and is exported from another spiral water route.
4. liquid-state silicon gel cold runner die according to claim 3, it is characterised in that: the mold further includes cold runner master
Plate and cold runner cover board, cold runner mainboard are equipped with cold runner, and cold runner end is equipped with injection canal, the feed inlet of pin valve nozzle
It is connected to injection canal, the injection molding mouth communicate-type chamber of pin valve nozzle, needle is set in injection canal.
5. liquid-state silicon gel cold runner die according to claim 4, it is characterised in that: be equipped with below the cold runner mainboard
Coldplate is equipped with cooling water channel in coldplate, the cooling water in double helix water route connection coldplate on the mouth core of pin valve nozzle
Road.
6. liquid-state silicon gel cold runner die according to claim 4, it is characterised in that: be equipped with above the cold runner cover board
Needle fixed plate, the upper end of each needle are each attached in needle fixed plate, and the two sides of needle fixed plate are respectively provided with a driving needle
The oil cylinder that valve push plate moves up and down.
7. liquid-state silicon gel cold runner die according to claim 1, it is characterised in that: be equipped with first above the concave template
Heating plate, convex template lower section are equipped with the second heating plate, heating rod are equipped in the first heating plate and the second heating plate, and first adds
It is equipped with the first thermal insulation board above hot plate, the second thermal insulation board is equipped with below the second heating plate, concave template and convex template are equipped with temperature-sensitive
Line.
8. liquid-state silicon gel cold runner die according to claim 1, it is characterised in that: the mold further includes that cover half is fixed
Plate and dynamic mould fixing plate, dynamic mould fixing plate lower section are equipped with seat board, and mode is between cover half fixed plate and dynamic mould fixing plate, cover half
Fixed plate and the surrounding of dynamic mould fixing plate are equipped with side thermal insulation board, and cover half fixed plate is located at below coldplate, cover half fixed plate and
It is equipped with third thermal insulation board between coldplate, the 4th thermal insulation board, cover half fixed plate and dynamic model are equipped between dynamic mould fixing plate and seat board
Heating rod is equipped in fixed plate.
9. according to claim 1 to liquid-state silicon gel cold runner die described in 8 any one, it is characterised in that: the stripper plate
Lower section is equipped with ejecting mechanism, and the ejecting mechanism includes push rod, ejector pin retaining plate and push rod push plate, and push rod upper end abuts demoulding
Plate, push rod lower end are clamped by ejector pin retaining plate and push rod push plate, push stripper plate to move up so that product takes off by ejecting mechanism
From mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495040.0A CN110076964A (en) | 2019-06-10 | 2019-06-10 | A kind of liquid-state silicon gel cold runner die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495040.0A CN110076964A (en) | 2019-06-10 | 2019-06-10 | A kind of liquid-state silicon gel cold runner die |
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| Publication Number | Publication Date |
|---|---|
| CN110076964A true CN110076964A (en) | 2019-08-02 |
Family
ID=67424041
Family Applications (1)
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|---|---|---|---|
| CN201910495040.0A Pending CN110076964A (en) | 2019-06-10 | 2019-06-10 | A kind of liquid-state silicon gel cold runner die |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895336A (en) * | 2021-04-01 | 2021-06-04 | 江苏博盟科技有限公司 | Flash-free liquid silica gel mold |
| CN114211696A (en) * | 2021-11-02 | 2022-03-22 | 滁州华源科技有限公司 | Mould with liquid silica gel cold runner |
| CN114536663A (en) * | 2022-02-10 | 2022-05-27 | 张家港天乐橡塑科技股份有限公司 | Prevent hot wall sheath mould |
| CN115782057A (en) * | 2022-10-24 | 2023-03-14 | 苏州三卓韩一橡塑科技有限公司 | Liquid silica gel injection mold, system and method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633229A (en) * | 2009-08-14 | 2010-01-27 | 创乐电子实业（惠州）有限公司 | Cold runner silicon rubber forming die |
| KR100978008B1 (en) * | 2009-10-09 | 2010-08-25 | 한국씰텍주식회사 | Cold runner block mold of rubber injection mloding for reducing loss of rubber |
| CN202053416U (en) * | 2011-05-19 | 2011-11-30 | 大连日进精密模塑有限公司 | Double-helix cooling water channel structure |
| CN102358001A (en) * | 2011-08-04 | 2012-02-22 | 苏州腾行精密模具有限公司 | One-mould multi-cavity injection-molding mould |
| CN202702525U (en) * | 2012-03-26 | 2013-01-30 | 卢晓楠 | Plastic end cover double parting surface injection mold |
| CN103465400A (en) * | 2013-09-27 | 2013-12-25 | 乐清市恒通电气有限公司 | Forming mould for internal ring-shaped groove of industrial socket main shell |
| CN203496167U (en) * | 2013-09-27 | 2014-03-26 | 乐清市恒通电气有限公司 | Molding mould for annular groove in main shell of industrial socket |
| CN203600571U (en) * | 2013-10-23 | 2014-05-21 | 苏州好特斯模具有限公司 | Spiral circulating type cooling water jacket |
| JP2015071243A (en) * | 2013-10-02 | 2015-04-16 | 関東プラスチック工業株式会社 | Mold for molding thermosetting resin molding and method of molding thermosetting resin molding using the same |
| CN205969786U (en) * | 2016-07-27 | 2017-02-22 | 东莞市民茂电器有限公司 | Pencil sharpener casing injection mold |
| CN206465397U (en) * | 2017-01-13 | 2017-09-05 | 东莞豪曼精密模具技术有限公司 | High-precision silica gel diaphragm mould injection structure |
| CN208197417U (en) * | 2018-04-11 | 2018-12-07 | 深圳市利思瑞精密硅胶科技有限公司 | A kind of novel sealing structure of liquid silica gel injection molding |
| CN210026116U (en) * | 2019-06-10 | 2020-02-07 | 厦门豪特维思科技有限公司 | Liquid silica gel cold runner mould |
-
2019
- 2019-06-10 CN CN201910495040.0A patent/CN110076964A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633229A (en) * | 2009-08-14 | 2010-01-27 | 创乐电子实业（惠州）有限公司 | Cold runner silicon rubber forming die |
| KR100978008B1 (en) * | 2009-10-09 | 2010-08-25 | 한국씰텍주식회사 | Cold runner block mold of rubber injection mloding for reducing loss of rubber |
| CN202053416U (en) * | 2011-05-19 | 2011-11-30 | 大连日进精密模塑有限公司 | Double-helix cooling water channel structure |
| CN102358001A (en) * | 2011-08-04 | 2012-02-22 | 苏州腾行精密模具有限公司 | One-mould multi-cavity injection-molding mould |
| CN202702525U (en) * | 2012-03-26 | 2013-01-30 | 卢晓楠 | Plastic end cover double parting surface injection mold |
| CN203496167U (en) * | 2013-09-27 | 2014-03-26 | 乐清市恒通电气有限公司 | Molding mould for annular groove in main shell of industrial socket |
| CN103465400A (en) * | 2013-09-27 | 2013-12-25 | 乐清市恒通电气有限公司 | Forming mould for internal ring-shaped groove of industrial socket main shell |
| JP2015071243A (en) * | 2013-10-02 | 2015-04-16 | 関東プラスチック工業株式会社 | Mold for molding thermosetting resin molding and method of molding thermosetting resin molding using the same |
| CN203600571U (en) * | 2013-10-23 | 2014-05-21 | 苏州好特斯模具有限公司 | Spiral circulating type cooling water jacket |
| CN205969786U (en) * | 2016-07-27 | 2017-02-22 | 东莞市民茂电器有限公司 | Pencil sharpener casing injection mold |
| CN206465397U (en) * | 2017-01-13 | 2017-09-05 | 东莞豪曼精密模具技术有限公司 | High-precision silica gel diaphragm mould injection structure |
| CN208197417U (en) * | 2018-04-11 | 2018-12-07 | 深圳市利思瑞精密硅胶科技有限公司 | A kind of novel sealing structure of liquid silica gel injection molding |
| CN210026116U (en) * | 2019-06-10 | 2020-02-07 | 厦门豪特维思科技有限公司 | Liquid silica gel cold runner mould |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895336A (en) * | 2021-04-01 | 2021-06-04 | 江苏博盟科技有限公司 | Flash-free liquid silica gel mold |
| CN114211696A (en) * | 2021-11-02 | 2022-03-22 | 滁州华源科技有限公司 | Mould with liquid silica gel cold runner |
| CN114211696B (en) * | 2021-11-02 | 2024-09-03 | 永康市赞恩科技有限公司 | Mould with liquid silica gel cold runner |
| CN114536663A (en) * | 2022-02-10 | 2022-05-27 | 张家港天乐橡塑科技股份有限公司 | Prevent hot wall sheath mould |
| CN115782057A (en) * | 2022-10-24 | 2023-03-14 | 苏州三卓韩一橡塑科技有限公司 | Liquid silica gel injection mold, system and method |
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