CN105881830B - Silicon rubber forming die with cold runner - Google Patents
Silicon rubber forming die with cold runner Download PDFInfo
- Publication number
- CN105881830B CN105881830B CN201610440791.9A CN201610440791A CN105881830B CN 105881830 B CN105881830 B CN 105881830B CN 201610440791 A CN201610440791 A CN 201610440791A CN 105881830 B CN105881830 B CN 105881830B
- Authority
- CN
- China
- Prior art keywords
- cold
- runner
- glue injecting
- injecting head
- cold nozzle
- 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.)
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Links
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 57
- 239000003292 glue Substances 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 8
- 239000000084 colloidal system Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 14
- 229920000260 silastic Polymers 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000010068 moulding (rubber) Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2756—Cold runner channels
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of silicon rubber forming dies with cold runner, including the upper mold and lower die being mutually matched, cavity is provided between the upper mold and lower die, the upper mold includes from top to bottom overlapping the upper mounted plate of setting successively, cold flow guidance tape, and cope plate, the lower die includes lower template, at least one glue injecting head for product injection is fixedly installed in the upper mold and is matched with the glue injecting head, for the cold nozzle module of glue injecting head cooling, it is provided with to provide the coolant flow channel of coolant into mold in the cold flow guidance tape, the coolant flow channel is connected with the cold nozzle module.The present invention adds the design of cold runner in the structure of conventional forming molds, further optimization has been carried out to the structure of cold runner simultaneously, the length of cold runner is shortened to greatest extent, the problem of efficiently avoiding due to colloid solidification product end being caused to lack material in process, defect rate is reduced, improves the production capacity of processing enterprise.
Description
Technical field
The present invention relates to a kind of molding die more particularly to a kind of silicon rubber forming dies with cold runner, belong to silicon
Rubber-moulding manufacture field.
Background technology
Silastic product is because of good reasons such as its excellent high-low temperature resistant, chemical-resistance and excellent mechanical electric performances
Change performance and be widely used in the fields such as electronics, automobile, health care and daily life.
It is most still using the mode of die cast for the production of silastic product in conventional machining techniques.
But silastic product is manufactured due to the use of this mode of production, production efficiency is very low, does not adapt to fast-developing production
Demand, therefore gradually developed now for the production of silastic product to the direction of injection molding.
At present, people are manufactured there are mainly two types of the injection molding modes of production that silastic product uses, and one kind is using general
The common hot flow path injection molding manner of logical plastic molding, because silicon rubber is thermosets, under the conditions of certain pressure, silicon rubber
Certain temperature is heated to after injection in Hot Runner System and becomes cured high resiliency state, can not also change even if heating is continued
Become its state, the sizing material in sizing material and die cavity in flow passage system vulcanizes simultaneously, vulcanizate separated with product after as discarded material
Material processing, scrap vulcanized glue usually require manually to remove, and the above-mentioned mode of production has not only seriously affected production efficiency, resource
Waste is serious.
And another is then using cold runner injection molding manner, specifically, Chinese patent CN200910041904.8 is disclosed
A kind of cold runner silicon rubber forming die, includes lower template, cope plate, shaping mould is formed between cope plate and lower template
Chamber is provided with solid plate on cope plate, and adaptor is equipped in solid plate, sprue, sprue bottom are equipped in adaptor
For branch shape into runner, runner end is connected with needle-valve, the lower end discharge port connection shaping mold cavity cast gate of needle-valve, needle-valve upper end
Be connected with noticeable degree mechanism, lower template and cope plate periphery are equipped with thermal insulation board, sprue bottom and with sprue bottom
The runner of connection is placed in the coldplate with cooling down effect, and the needle valve body connected with runner is located at coldplate
Among thermal insulation board.
Although above-mentioned patent improves to some extent in Shooting Technique, and adds corresponding cold runner for mold, therein
The structures such as cold runner, coldplate are single, and runner is longer, lack sinking path, can not tackle the situation that mold uses for a long time, and
Remain the non-uniform situation of temperature distribution in die cavity during its use, mould inside is heat-insulated and cooling be not achieved it is pre-
Fixed effect has seriously affected the quality stability of finished product.
In conclusion the silicon rubber forming die that a kind of using effect is excellent and can operate for a long time how is provided, just
Become those skilled in the art's urgent problem to be solved.
The content of the invention
In view of the prior art, there are drawbacks described above, the purpose of the present invention is to propose to a kind of silicon rubber formed with cold runner
Mold.
The purpose of the present invention will be achieved by the following technical programs：
A kind of silicon rubber forming die with cold runner, including the upper mold and lower die being mutually matched, the upper mold and under
Cavity is provided between mould, the upper mold includes from top to bottom overlapping the upper mounted plate, cold flow guidance tape and upper mold of setting successively
Plate, the lower die include lower template, be fixedly installed in the upper mold at least one glue injecting head for product injection and with
The glue injecting head matches, the cold nozzle module for glue injecting head cooling, is provided in the cold flow guidance tape for mold
The interior coolant flow channel for providing cooling medium, the coolant flow channel are connected with the cold nozzle module.
Preferably, the upper mold, which further includes, is arranged between the cold flow guidance tape and cope plate, for the coolant flow channel
The thermal insulation board of interior coolant heat preservation；The lower die, which further includes, to be movably disposed in the cavity, for the work of formed product
Dynamic mold insert disk.
Preferably, at least two glue injecting heads have been uniformly arranged in the upper mold, the top of the glue injecting head is and injected rubber hose
Connection, the distance between the injected rubber hose and each glue injecting head are equal.
Preferably, the glue injecting head is disposed through in the upper mold, and the cold nozzle module is fixedly installed on the injecting glue
The outer circumferential of head, the glue injecting head are arranged in the cold nozzle module.
Preferably, the quantity of the cold nozzle module is equal with the glue injecting head, and multiple cold nozzle intermodules are by described
Coolant flow channel realizes connection.
Preferably, the cold nozzle module includes cold nozzle shell and the cold nozzle runner being embedded in the cold nozzle shell, institute
It states cold nozzle runner to set around glue injecting head coiling, the cold nozzle runner helically coiling tubular structure, the glue injecting head
Positioned at the cold nozzle runner center.
Preferably, the coolant flow channel includes being used for lower floor's runner that cooling medium is provided for glue injecting head cooling, institute
State lower floor's runner and the cold nozzle flow passage.
Preferably, the coolant flow channel is further included for providing the upper strata runner in cooling space for cooling medium in runner,
It is connected between the upper strata runner and lower floor's runner by connecting passage.
Preferably, lower floor's runner is connected with the runner inlet entered for cooling medium stream, and the upper strata runner connects
Connect the runner liquid outlet gone out for the cooling medium stream.
Preferably, the cold nozzle runner is connected with the cold nozzle inlet that enters for cooling medium stream and for the cooling
The cold nozzle liquid outlet of medium outflow, the cold nozzle inlet and the cold nozzle liquid outlet with lower floor's flow passage.
The present invention protrusion effect be：The present invention adds the design of cold runner in the structure of conventional forming molds, together
When further optimization has been carried out to the structure of cold runner, shorten the length of cold runner to greatest extent, efficiently avoid
The problem of due to colloid solidification product end being caused to lack material in process, defect rate is reduced, improve the production of processing enterprise
Energy.Meanwhile the cold runner in the present invention can not only play the colloid in mold cooling effect, while can also be effectively complete
The heat dissipation of liquid in paired cold runner so that mold can preferably tackle situation about working long hours, and shorten plant maintenance
Time, improve the production efficiency of processing enterprise.In addition, the processing mold of the present invention can be by existing processing mold
It transforms and obtains, not only saved mould production cost, further improve the practicability of the present invention.
In conclusion excellent effect of the present invention, cope with and work long hours, be easily obtained and using effect is excellent, tool
There are very high use and promotional value.
Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention
Technical solution is more readily understood, grasps.
Description of the drawings
Fig. 1 is the cross-sectional view of the present invention；
Fig. 2 is the top view of cold runner in the present invention；
Fig. 3 is the side view of cold runner in the present invention；
Wherein：1st, fixed plate 2, cold flow guidance tape 3, thermal insulation board 4, cope plate 5, lower template 6, glue injecting head 7,
Cold nozzle shell 8, coolant flow channel 81, upper strata runner 82, lower floor's runner 83, connecting passage 84, runner inlet
85th, runner liquid outlet 9, cold nozzle runner 91, cold nozzle inlet 92, cold nozzle liquid outlet 10, movable insert disk.
Specific embodiment
Present invention is disclosed a kind of silicon rubber forming dies with cold runner.
As shown in Fig. 1 ~ 3, a kind of silicon rubber forming die with cold runner, including the upper mold and lower die being mutually matched,
Cavity is provided between the upper mold and lower die, the upper mold includes the upper mounted plate 1, the cold flow that from top to bottom overlap setting successively
Guidance tape 2 and cope plate 4, the lower die include lower template 5, are fixedly installed in the upper mold at least one for product injection
Glue injecting head 6 and match with the glue injecting head 6, for the glue injecting head 6 cooling cold nozzle module, the cold flow guidance tape 2
It is inside provided with for providing the coolant flow channel 8 of cooling medium into mold, the coolant flow channel 8 is connected with the cold nozzle module.
The upper mold, which further includes, to be arranged between the cold flow guidance tape 2 and cope plate 4, for cold in the coolant flow channel 8
But the thermal insulation board 3 of liquid heat preservation；The lower die, which further includes, to be movably disposed in the cavity, is inlayed for the activity of formed product
Part disk 10, the shape of the movable insert disk 10 need according to actual processing situation and the shape of converted products are needed to be selected
It selects.
At least two glue injecting heads 6 it have been uniformly arranged in the upper mold, the top of the glue injecting head 6 is and injected rubber hose（In figure
It is not shown）Connection, the distance between the injected rubber hose and each glue injecting head 6 are equal.
In the present embodiment, be uniformly arranged in the upper mold there are four glue injecting head 6, the glue injecting head 6 in rectangular distribution,
The injected rubber hose is arranged at the point of intersection of the center of the matrix, the i.e. diagonal of a matrix.In addition, the glue injecting head 6 is also
Can be other quantity, the quantity of the glue injecting head 6 should follow one substantially depending on the quantity of product to be formed in mold cavity
Principle of a product with a glue injecting head 6.It should be noted that be exactly that the distance between the injected rubber hose and each glue injecting head 6 is equal,
It is such to set also for the entire length for shortening runner as much as possible, it avoids causing to produce due to colloid solidification in process
The problem of product end lacks material.
The glue injecting head 6 is disposed through in the upper mold, and the cold nozzle module is fixedly installed on the week of the glue injecting head 6
Outward, the glue injecting head 6 is arranged in the cold nozzle module.
The quantity of the cold nozzle module is equal with the glue injecting head 6, and multiple cold nozzle intermodules are flowed by the cooling
Realize connection in road 8.
The cold nozzle module includes cold nozzle shell 7 and the cold nozzle runner 9 being embedded in the cold nozzle shell 7, described cold
Nozzle runner 9 is set around the glue injecting head 6 coiling, the cold nozzle runner 9 helically coiling tubular structure, the glue injecting head 6
Positioned at cold 9 center of nozzle runner.
Herein it should be noted that the concrete shape of the cold nozzle runner 9 need regarding actual production and processing needs come into
One step determines that it is a variety of that spiral wound tubular structure described herein is in order at processing cost, cooling effect and cooling liquid speed etc.
Combined factors consider rear selected optimum structure.
The coolant flow channel 8 includes being used for lower floor's runner 82 that cooling medium is provided for the glue injecting head 6 cooling, under described
Laminar flow road 82 is connected with the cold nozzle runner 9.
The coolant flow channel 8 further includes to provide the upper strata runner 81 in cooling space for cooling medium in runner, described
It is connected between upper strata runner 81 and lower floor's runner 82 by connecting passage 83.
Lower floor's runner 82 is connected with the runner inlet 84 entered for cooling medium stream, and the upper strata runner 81 connects
The runner liquid outlet 85 gone out for the cooling medium stream.
It should be noted that the design of coolant flow channel 8 of two-layer is to preferably ensure the cooling in the present embodiment
The using effect of runner 8, in fact, the coolant flow channel 8, which only retains 82 part of underflow road, can also realize cooling effect.Institute
The setting for stating upper strata runner 81 is the time and distance in order to increase cooling medium in the interior flowing of the coolant flow channel 8, so that
It obtains the cooling medium in the coolant flow channel 8 to complete to cool down by the flowing of its own, so as to be the cycling for cooling down medium
Using providing possibility.In addition, the cooling medium in the present embodiment can be water, coolant etc., it is specific to cool down medium selection
It should be depending on actual processing needs, it is however generally that, the cooling medium all selected as specific heat capacities are larger and lower-cost water.
The cold nozzle runner 9 is connected with the cold nozzle inlet 91 that enters for cooling medium stream and for the cooling medium
The cold nozzle liquid outlet 92 of outflow, the cold nozzle inlet 91 and the cold nozzle liquid outlet 92 are connected with lower floor's runner 82.
The operation principle of the present invention described briefly below：Operator needs to select corresponding movable insert disk first according to processing
10, by mold clamping after installation is complete, then begin to injecting glue operation.Fluid silicone rubber is flowed by injected rubber hose in glue injecting head 6, cocurrent
Enter in mold cavity, complete formed product.
While injecting glue operates, operator need to be cold by runner inlet 84 to coolant flow channel 8 to injection cooling medium
But medium is flowed into first in lower floor's runner 82, and is entered by cold nozzle inlet 91 in cold nozzle runner 9.It cools down described in medium entrance
Cold nozzle runner 9 can be completed to cool down to the glue injecting head 6 in the region, and then, cooling medium is returned by cold nozzle liquid outlet 92
It flow in lower floor's runner 82, and cools down into completion in another cold nozzle runner 9.When cooling medium stream is through all cold nozzle runners
After 9, cooling medium enters by connecting passage 83 in upper strata runner 81, cooling is completed by the flowing of its own, then from stream
It is flowed out at road liquid outlet 85.In addition, it is necessary to explanation, since the cooling medium in the present invention does not connect with extraneous other component
It touches, therefore the cooling medium flowed out still can be again by injection runner, reuse.
The present invention adds the design of cold runner in the structure of conventional forming molds, while the structure of cold runner is carried out
Further optimization, shortens the length of cold runner, efficiently avoids in process because of colloid solidification to greatest extent
And the problem of product end is caused to lack material, defect rate is reduced, improves the production capacity of processing enterprise.It is meanwhile cold in the present invention
Runner can not only play the colloid in mold cooling effect, while can also effectively complete and liquid in cold runner is dissipated
Heat so that mold can preferably tackle situation about working long hours, and shorten the time of plant maintenance, improve processing enterprise
Production efficiency.In addition, the processing mold of the present invention can be obtained by the transformation to existing processing mold, not only save
Mould production cost further improves the practicability of the present invention.
In conclusion excellent effect of the present invention, cope with and work long hours, be easily obtained and using effect is excellent, tool
There are very high use and promotional value.
Still there are many embodiment, all technical sides formed using equivalents or equivalent transformation by the present invention
Case is within the scope of the present invention.
Claims (6)
1. a kind of silicon rubber forming die with cold runner, including the upper mold and lower die being mutually matched, the upper mold and lower die
Between be provided with cavity, it is characterised in that：The upper mold includes the upper mounted plate (1), the cold flow that from top to bottom overlap setting successively
Guidance tape (2) and cope plate (4), the lower die include lower template (5), are fixedly installed in the upper mold at least one for producing
The glue injecting head (6) of product injection and the cold nozzle module for matching with the glue injecting head (6), being cooled down for the glue injecting head (6), institute
State the coolant flow channel (8) being provided in cold flow guidance tape (2) for providing cooling medium into mold, the coolant flow channel (8) with
The cold nozzle module connection；The upper mold, which further includes, to be arranged between the cold flow guidance tape (2) and cope plate (4), for described
The thermal insulation board (3) of the interior coolant heat preservation of coolant flow channel (8)；The lower die, which further includes, to be movably disposed in the cavity, uses
In the movable insert disk (10) of formed product；At least two glue injecting heads (6), the glue injecting head have been uniformly arranged in the upper mold
(6) top is connected with injected rubber hose, and the distance between the injected rubber hose and each glue injecting head (6) is equal；The glue injecting head (6) is passed through
It wears and is placed in the upper mold, the cold nozzle module is fixedly installed on the outer circumferential of the glue injecting head (6), the glue injecting head
(6) it is arranged in the cold nozzle module；The quantity of the cold nozzle module is equal with the glue injecting head (6), multiple cold nozzle moulds
It realizes and connects by the coolant flow channel (8) between block.
2. the silicon rubber forming die according to claim 1 with cold runner, it is characterised in that：The cold nozzle module bag
Cold nozzle shell (7) and the cold nozzle runner (9) being embedded in the cold nozzle shell (7) are included, the cold nozzle runner (9) is around described
Glue injecting head (6) coiling is set, and helically coiling tubular structure, the glue injecting head (6) are located at described cold the cold nozzle runner (9)
Nozzle runner (9) center.
3. the silicon rubber forming die according to claim 2 with cold runner, it is characterised in that：The coolant flow channel
(8) include being used for lower floor's runner (82) that cooling medium is provided for the glue injecting head (6) cooling, lower floor's runner (82) and institute
State cold nozzle runner (9) connection.
4. the silicon rubber forming die according to claim 3 with cold runner, it is characterised in that：The coolant flow channel
(8) further include for in runner cool down medium provide cooling space upper strata runner (81), the upper strata runner (81) and under
It is connected between laminar flow road (82) by connecting passage (83).
5. the silicon rubber forming die according to claim 4 with cold runner, it is characterised in that：Lower floor's runner
(82) the runner inlet (84) entered for cooling medium stream is connected with, upper strata runner (81) connection is situated between for the cooling
The runner liquid outlet (85) that mass flow goes out.
6. the silicon rubber forming die according to claim 5 with cold runner, it is characterised in that：The cold nozzle runner
(9) it is connected with for the cooling medium stream cold nozzle inlet (91) entered and the cold nozzle liquid outlet gone out for the cooling medium stream
(92), the cold nozzle inlet (91) and the cold nozzle liquid outlet (92) connect with lower floor's runner (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440791.9A CN105881830B (en) | 2016-06-20 | 2016-06-20 | Silicon rubber forming die with cold runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440791.9A CN105881830B (en) | 2016-06-20 | 2016-06-20 | Silicon rubber forming die with cold runner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105881830A CN105881830A (en) | 2016-08-24 |
| CN105881830B true CN105881830B (en) | 2018-05-22 |
Family
ID=56731085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610440791.9A Active CN105881830B (en) | 2016-06-20 | 2016-06-20 | Silicon rubber forming die with cold runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105881830B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994764A (en) * | 2017-05-18 | 2017-08-01 | 江苏德克瑞斯塑胶制品有限公司 | A kind of efficient mould of quick cooling type silica gel materials |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201494005U (en) * | 2009-08-14 | 2010-06-02 | 创乐电子实业（惠州）有限公司 | Cold runner silicon rubber forming die |
| CN204585719U (en) * | 2015-04-10 | 2015-08-26 | 东莞捷瑞精密硅胶科技有限公司 | A kind of silica gel product shaping cold runner nozzle-type mould |
| CN205767270U (en) * | 2016-06-20 | 2016-12-07 | 苏州友隆橡塑精密制造有限公司 | Silicon rubber forming die with cold runner |
-
2016
- 2016-06-20 CN CN201610440791.9A patent/CN105881830B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201494005U (en) * | 2009-08-14 | 2010-06-02 | 创乐电子实业（惠州）有限公司 | Cold runner silicon rubber forming die |
| CN204585719U (en) * | 2015-04-10 | 2015-08-26 | 东莞捷瑞精密硅胶科技有限公司 | A kind of silica gel product shaping cold runner nozzle-type mould |
| CN205767270U (en) * | 2016-06-20 | 2016-12-07 | 苏州友隆橡塑精密制造有限公司 | Silicon rubber forming die with cold runner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105881830A (en) | 2016-08-24 |
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