CN105666802A - Improved liquid-state silica gel die - Google Patents
Improved liquid-state silica gel die Download PDFInfo
- Publication number
- CN105666802A CN105666802A CN201610190573.4A CN201610190573A CN105666802A CN 105666802 A CN105666802 A CN 105666802A CN 201610190573 A CN201610190573 A CN 201610190573A CN 105666802 A CN105666802 A CN 105666802A
- Authority
- CN
- China
- Prior art keywords
- cooling
- flow guiding
- gum outlet
- open holes
- inner guide
- 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.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract description 15
- 239000000741 silica gel Substances 0.000 title abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 title abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000499 gel Substances 0.000 abstract description 12
- 238000005491 wire drawing Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000704 physical effect Effects 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
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- 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
- B29C45/38—Cutting-off equipment for sprues or ingates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses an improved liquid-state silica gel die. The improved liquid-state silica gel die comprises a flow guiding assembly, a pressing plate, a cooling assembly, a sealing needle and a spring. The flow guiding assembly comprises an outer flow guiding body and an inner flow guiding body. The outer flow guiding body is arranged on the outer side of the inner flow guiding body in a sleeving manner, and at least one flow guiding channel is formed between the inner flow guiding body and the outer flow guiding body. The pressing plate is provided with a pressing plate gel inlet. The cooling assembly is arranged on the outer side of the flow guiding assembly in a sleeving manner and is provided with a cooling channel. A gel outlet is formed in the bottom of the cooling assembly, and the cooling gel outlet communicates with the flow guiding channel. The sealing needle movably penetrates the inner flow guiding body and is arranged in the cooling gel outlet in an extending manner. The spring is arranged on the sealing needle in a sleeving manner. Compared with the prior art, the structure is simple, operation is convenient, the improved liquid-state silica gel die does not need to rely on huge external equipment, and cost is reduced. Meanwhile, no stub bar is arranged on the surface of a formed product, secondary machining is not needed, manpower resources are saved, and raw material wasting is avoided. Meanwhile, in the shutdown state, silica gel cannot be solidified in the die, and the wiredrawing phenomenon cannot occur on the surface of the formed product.
Description
Technical field
The invention belongs to mould applications, it is specifically related to a kind of modified version liquid-state silicon gel mould.
Background technology
Owing to the physicals of liquid-state silicon gel is special, comprise low viscosity, unique rheological characteristics, significantly shear-thinning and high hot expansion system. In prior art, the feed nozzle of modified version liquid-state silicon gel mould adopts following two kinds mostly, and one is open, and shaping laggard point has residual, it is necessary to carry out secondary processing, and production process is complicated; Two is needle valve, relies on huge external mechanism, the control of the oil of such as cylinder or oil cylinder, gas, circuit, it is necessary to a lot of accessories and auxiliary part, cost is higher.
Therefore, need badly and a kind of process simple and that cost is lower modified version liquid-state silicon gel mould.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention provides a kind of modified version liquid-state silicon gel mould.
In order to achieve the above object, the technical scheme of the present invention is as follows:
The present invention provides a kind of modified version liquid-state silicon gel mould, comprising:
Water conservancy diversion assembly, comprises outer water conservancy diversion body and Inner guide body, and outer water conservancy diversion body is sheathed on the outside of Inner guide body and forms at least one flow-guiding channel therebetween;
Pressing plate, pressing plate is provided with pressing plate glue-feeder, pressing plate be arranged at water conservancy diversion assembly enter glue end and pressing plate glue-feeder is connected with flow-guiding channel;
Cooling module, cooling module is sheathed on the outside of water conservancy diversion assembly, is provided with cooling channel in cooling module, and the bottom of cooling module is provided with cooling gum outlet, and cooling gum outlet is connected with flow-guiding channel;
Envelope pin, it is interior and extended in cooling gum outlet that envelope pin is actively located in Inner guide body, and envelope pin is separated with cooling gum outlet under injection pressure;
Spring, it is sheathed on envelope pin, and for driving envelope pin, by cooling, gum outlet moves to the direction of flow-guiding channel and cools gum outlet and be tightly connected.
The present invention injects silica gel to pressing plate glue-feeder, flow out through flow-guiding channel, under the pressure of note glue, seal pin move to the inside of Inner guide body envelope pin is separated with cooling gum outlet, silica gel is flowed in mold cavity from cooling gum outlet, after note glue to be done, envelope pin returns back in cooling gum outlet under the elasticity of spring, cut off stub bar, compared to prior art, structure is simple, easy to operate, do not need to rely on huge external device, reduce costs, and shaping after product surface there is no stub bar, do not need secondary processing, save manpower, also waste starting material are avoided, under the state simultaneously shut down, silica gel can not solidify in mould, product surface after shaping there will not be wire drawing phenomenon.
Wherein, the bottom of above-mentioned envelope pin comprises connection section and sealing portion successively along plastic emitting direction, setting interval it is provided with between connection section and cooling gum outlet, sealing portion mates mutually with cooling gum outlet, it is provided with setpoint distance between the bottom of above-mentioned water conservancy diversion assembly and cooling gum outlet, specifically can design according to practical situation.
On the basis of technique scheme, also can do following improvement:
As preferred scheme, above-mentioned Inner guide body is provided with envelope pin open holes in its longitudinal direction, envelope pin open holes comprises the first open holes, the 2nd open holes and the 3rd open holes that are connected successively, first open holes is opened in and extends to the inside of Inner guide body on the end face of Inner guide body cooling gum outlet and along the length direction of Inner guide body, and the diameter size of the 2nd open holes is greater than the diameter size of the first open holes, the 3rd open holes respectively.
Wherein, above-mentioned envelope pin is cylindrical structure, and envelope pin is provided with positioning element along its circumferential direction, and spring is arranged at the lower section of positioning element, and spring, positioning element are arranged in the 2nd open holes.
Adopting above-mentioned preferred scheme, envelope pin is arranged in envelope pin open holes, adopts said structure, it is not necessary to rely on other external devices, can realize the movement sealing pin, thus realizes the charging of silica gel and cut off charging, convenient.
As preferred scheme, above-mentioned being positioned at is provided with cone-shaped bulge on the Inner guide body of glue end.
Adopting above-mentioned preferred scheme, Inner guide body arranges cone-shaped bulge, silica gel realizes shunting by this cone-shaped bulge after entering pressing plate glue-feeder.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the blast structural representation of one embodiment of the present invention.
Wherein, 1. pressing plate, 2. envelope pin, 3. spring, 4. water conservancy diversion assembly, 5. cooling module.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
In order to reach the object of the present invention, as shown in Figure 1 to Figure 2, in wherein a kind of enforcement mode of the present invention, provide a kind of modified version liquid-state silicon gel mould, comprising:
Water conservancy diversion assembly 4, comprises outer water conservancy diversion body and Inner guide body, and outer water conservancy diversion body is sheathed on the outside of Inner guide body and forms two flow-guiding channels therebetween;
Pressing plate 1, pressing plate 1 is provided with pressing plate glue-feeder, pressing plate 1 be arranged at water conservancy diversion assembly 4 enter glue end and pressing plate glue-feeder is connected with flow-guiding channel;
Cooling module 5, cooling module 5 is sheathed on the outside of water conservancy diversion assembly 4, is provided with cooling channel in cooling module 5, and the bottom of cooling module 5 is provided with cooling gum outlet, and cooling gum outlet is connected with flow-guiding channel;
Envelope pin 2, it is interior and extended in cooling gum outlet that envelope pin 2 is actively located in Inner guide body, and envelope pin 2 is separated with cooling gum outlet under injection pressure;
Spring 3, it is sheathed on envelope pin 2, moves to the direction of flow-guiding channel by cooling gum outlet for driving envelope pin 2 and cools gum outlet and be tightly connected.
Present embodiment injects silica gel to pressing plate glue-feeder, flow out through flow-guiding channel, under the pressure of note glue, seal pin 2 move to the inside of Inner guide body envelope pin is separated with cooling gum outlet, silica gel is flowed in mold cavity from cooling gum outlet, after note glue to be done, envelope pin 2 returns back in cooling gum outlet under the elasticity of spring 3, cut off stub bar, compared to prior art, structure is simple, easy to operate, do not need to rely on huge external device, reduce costs, and shaping after product surface there is no stub bar, do not need secondary processing, save manpower, also waste starting material are avoided, under the state simultaneously shut down, silica gel can not solidify in mould, product surface after shaping there will not be wire drawing phenomenon.
Wherein, the bottom of above-mentioned envelope pin 2 comprises connection section and sealing portion successively along plastic emitting direction, setting interval it is provided with between connection section and cooling gum outlet, sealing portion mates mutually with cooling gum outlet, it is provided with setpoint distance between the bottom of above-mentioned water conservancy diversion assembly 4 and cooling gum outlet, specifically can design according to practical situation.
In order to optimize the implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, above-mentioned Inner guide body is provided with envelope pin open holes (not shown) in its longitudinal direction, envelope pin open holes comprises the first open holes being connected successively, 2nd open holes and the 3rd open holes, first open holes is opened in and extends to the inside of Inner guide body on the end face of Inner guide body cooling gum outlet and along the length direction of Inner guide body, the diameter size of the 2nd open holes is greater than the first open holes respectively, the diameter size of the 3rd open holes.
Wherein, above-mentioned envelope pin 2 is cylindrical structure, and envelope pin 2 is provided with positioning element (not shown) along its circumferential direction, and spring 3 is arranged at the top of positioning element, and spring 3, positioning element are arranged in the 2nd open holes.
Adopting above-mentioned preferred scheme, envelope pin 2 is arranged in envelope pin open holes, adopts said structure, it is not necessary to rely on other external devices, can realize the movement sealing pin, thus realizes the charging of silica gel and cut off charging, convenient.
In order to optimize the implementation result of the present invention further, in another embodiment of the invention, on the basis of foregoing teachings, it is positioned at and it is provided with cone-shaped bulge (not shown) on the Inner guide body of glue end.
Adopting above-mentioned preferred scheme, Inner guide body arranges cone-shaped bulge, silica gel realizes shunting by this cone-shaped bulge after entering pressing plate glue-feeder.
Above-described is only the preferred embodiment of the present invention, it should be noted that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, it is also possible to make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. a modified version liquid-state silicon gel mould, it is characterised in that, comprising:
Water conservancy diversion assembly, comprises outer water conservancy diversion body and Inner guide body, and described outer water conservancy diversion body is sheathed on the outside of described Inner guide body and forms at least one flow-guiding channel therebetween;
Pressing plate, described pressing plate is provided with pressing plate glue-feeder, described pressing plate be arranged at described water conservancy diversion assembly enter glue end and described pressing plate glue-feeder is connected with described flow-guiding channel;
Cooling module, described cooling module is sheathed on the outside of described water conservancy diversion assembly, is provided with cooling channel in described cooling module, and the bottom of described cooling module is provided with cooling gum outlet, and described cooling gum outlet is connected with described flow-guiding channel;
Envelope pin, it is interior and extended in described cooling gum outlet that described envelope pin is actively located in described Inner guide body, and described envelope pin is separated with described cooling gum outlet under injection pressure;
Spring, it is sheathed on described envelope pin, for driving envelope pin to move to the direction of flow-guiding channel to be tightly connected with described cooling gum outlet by cooling gum outlet.
2. modified version liquid-state silicon gel mould according to claim 1, it is characterized in that, described Inner guide body is provided with envelope pin open holes in its longitudinal direction, envelope pin open holes comprises the first open holes, the 2nd open holes and the 3rd open holes that are connected successively, described first open holes is opened in and extends to the inside of described Inner guide body on the end face of the Inner guide body of described cooling gum outlet and along the length direction of described Inner guide body, and the diameter size of described 2nd open holes is greater than the diameter size of described first open holes, described 3rd open holes respectively.
3. modified version liquid-state silicon gel mould according to claim 2, it is characterized in that, described envelope pin is cylindrical structure, described envelope pin is provided with positioning element along its circumferential direction, described spring is arranged at the lower section of described positioning element, and described spring, described positioning element are arranged in described 2nd open holes.
4. modified version liquid-state silicon gel mould according to claim 1, it is characterized in that, the bottom of described envelope pin comprises connection section and sealing portion successively along plastic emitting direction, is provided with setting interval between described connection section and described cooling gum outlet, and described sealing portion mates mutually with described cooling gum outlet.
5. modified version liquid-state silicon gel mould according to claim 1, it is characterised in that, it is provided with setpoint distance between the bottom of described water conservancy diversion assembly and described cooling gum outlet.
6. modified version liquid-state silicon gel mould according to claim 1, it is characterised in that, it is positioned at and it is provided with cone-shaped bulge on the Inner guide body of glue end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190573.4A CN105666802A (en) | 2016-03-30 | 2016-03-30 | Improved liquid-state silica gel die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190573.4A CN105666802A (en) | 2016-03-30 | 2016-03-30 | Improved liquid-state silica gel die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105666802A true CN105666802A (en) | 2016-06-15 |
Family
ID=56224595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610190573.4A Pending CN105666802A (en) | 2016-03-30 | 2016-03-30 | Improved liquid-state silica gel die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105666802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271151A (en) * | 2019-06-28 | 2019-09-24 | 王飞 | A kind of direct projection pours active pin valve device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006123400A (en) * | 2004-10-29 | 2006-05-18 | Fujikura Rubber Ltd | On-off valve of liquid resin injection molding machine |
| CN200960485Y (en) * | 2006-10-27 | 2007-10-17 | 上海菲莎仪器有限公司 | Modified needle-valve type nozzle |
| CN102092119A (en) * | 2010-12-22 | 2011-06-15 | 吉林大学珠海学院 | Pin-shaped self-locking nozzle device |
| CN203282677U (en) * | 2013-04-26 | 2013-11-13 | 东莞市贝斯特热流道科技有限公司 | Spring-type single-point needle valve hot runner nozzle |
| CN204431634U (en) * | 2015-01-24 | 2015-07-01 | 厦门永精诚橡塑科技有限公司 | A kind of telescopic water-cooled pin valve nozzle |
| CN205572916U (en) * | 2016-03-30 | 2016-09-14 | 昆山胜鸿鑫精密模塑科技有限公司 | Improved generation liquid silicone rubber mould |
-
2016
- 2016-03-30 CN CN201610190573.4A patent/CN105666802A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006123400A (en) * | 2004-10-29 | 2006-05-18 | Fujikura Rubber Ltd | On-off valve of liquid resin injection molding machine |
| CN200960485Y (en) * | 2006-10-27 | 2007-10-17 | 上海菲莎仪器有限公司 | Modified needle-valve type nozzle |
| CN102092119A (en) * | 2010-12-22 | 2011-06-15 | 吉林大学珠海学院 | Pin-shaped self-locking nozzle device |
| CN203282677U (en) * | 2013-04-26 | 2013-11-13 | 东莞市贝斯特热流道科技有限公司 | Spring-type single-point needle valve hot runner nozzle |
| CN204431634U (en) * | 2015-01-24 | 2015-07-01 | 厦门永精诚橡塑科技有限公司 | A kind of telescopic water-cooled pin valve nozzle |
| CN205572916U (en) * | 2016-03-30 | 2016-09-14 | 昆山胜鸿鑫精密模塑科技有限公司 | Improved generation liquid silicone rubber mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271151A (en) * | 2019-06-28 | 2019-09-24 | 王飞 | A kind of direct projection pours active pin valve device |
| CN110271151B (en) * | 2019-06-28 | 2021-08-03 | 台州永信阀门有限公司 | Direct injection casting active needle valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |
|
| RJ01 | Rejection of invention patent application after publication |