CN109435134A - A kind of supercritical gas foaming mould - Google Patents
A kind of supercritical gas foaming mould Download PDFInfo
- Publication number
- CN109435134A CN109435134A CN201811459530.7A CN201811459530A CN109435134A CN 109435134 A CN109435134 A CN 109435134A CN 201811459530 A CN201811459530 A CN 201811459530A CN 109435134 A CN109435134 A CN 109435134A
- Authority
- CN
- China
- Prior art keywords
- upper mold
- supercritical gas
- notch
- gas foaming
- foaming mould
- 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
- 238000005187 foaming Methods 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000006261 foam material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000630 rising 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
Abstract
The present invention discloses a kind of supercritical gas foaming mould, including upper mold and lower die, the upper mold includes upper mold body, the lower die includes lower mould body, notch is provided on the lower mould body, and the lower upper periphery in notch of mould body is provided with seal groove, gasket is provided in the seal groove, the notch is matched with upper mold body to form closed foaming chamber, the venthole being connected with foaming chamber is provided in the upper mold body, the bottom of the notch is provided with several anti-sticking protrusions.A kind of supercritical gas foaming mould structure is simple, is easily achieved, it is by being arranged several anti-sticking protrusions in the pocket bottom of lower mould body, and then it is avoided that microcellular foam material sticks together with foaming chamber, conducive to the demoulding of microcellular foam material, and product quality can be effectively improved.
Description
Technical field
The present invention relates to mould applications more particularly to a kind of supercritical gas foaming moulds.
Background technique
Microporous polymer plastic products have notch impact strength height, good toughness, fatigue life length, thermal stability height, are situated between
Electric constant is low, the low excellent properties of thermal conducting rate.When microporous polymer plastic products produce, face by the way that foaming vulcanizer cooperation is super
Boundary's gas foaming mold foaming, however, structure is complicated, manufacturing cost for the supercritical gas foaming mould on existing market
Height, and after foaming, product easily sticks together with die cavity, causes demoulding difficult, so that product quality is influenced, in addition, existing
There is poor sealing performance in supercritical gas foaming mould in the market, be badly in need of solving as a result,.
Summary of the invention
It is an object of the invention in view of the above-mentioned problems, a kind of supercritical gas foaming mould is provided, to solve existing surpass
The problem of after the completion of foaming, product easily sticks together with die cavity critical gas foaming mould, influences product quality.
The purpose of the present invention is be achieved through the following technical solutions:
A kind of supercritical gas foaming mould, including upper mold and lower die, the upper mold include upper mold body, the lower die packet
Lower mould body is included, notch is provided on the lower mould body, and the upper periphery in notch of lower mould body is provided with seal groove, it is described
Gasket is provided in seal groove, the notch is matched with upper mold body to form closed foaming chamber, the upper mold
The venthole being connected with foaming chamber is provided on ontology, the bottom of the notch is provided with several anti-sticking protrusions.
As a preferred solution of the present invention, the upper mold body is slab construction；Cavity is opened up compared to tradition
Structure design, uses slab construction, so that product is not easy the phenomenon that sticks together with upper mold body when die sinking.
As a preferred solution of the present invention, the inner wall of the foaming chamber is provided with anti-stick coating.
As a preferred solution of the present invention, the anti-sticking protrusion of several described is distributed in the bottom of notch in matrix.
As a preferred solution of the present invention, the height of the anti-sticking protrusion is 0.2mm~0.8mm.
As a preferred solution of the present invention, the gasket includes sealing pad body, described to seal the upper of pad body
It is evenly equipped with the first seal convexity of several ring structures on end face, it is recessed to form the first sealing between adjacent first seal convexity
Slot is evenly equipped with the second seal convexity of several ring structures on the lower end surface of the sealing pad body, and adjacent second sealing is convex
The second sealed groove is formed between rising；By using the gasket that such structure designs, so that supercritical gas foaming mould
It can satisfy the sealing requirements under high temperature (300 DEG C), high pressure (25MPa~30MPa).
As a preferred solution of the present invention, first sealed groove and the second sealed groove, which correspond, arranges.
As a preferred solution of the present invention, the upper mold further includes being connected to the first of upper mold body top two sides to connect
Socket part is provided with the first connecting hole in the first connecting portion.
As a preferred solution of the present invention, the lower die includes being connected to the second connection of lower die body lower part two sides
Portion is provided with the second connecting hole in the second connecting portion.
Beneficial effects of the present invention are that a kind of supercritical gas foaming mould structure is simple, is easily achieved, and are passed through
Several anti-sticking protrusions are set in the pocket bottom of lower mould body, and then are avoided that microcellular foam material and foaming chamber occur
Adhesion conducive to the demoulding of microcellular foam material, and can effectively improve product quality, secondly, by the intracavitary setting of foaming
Anti-stick coating further improves anti-adhesion effects, in addition, the structure of gasket designs, supercritical gas foaming can be effectively ensured
The sealing performance of mold under high temperature and pressure improves Forming Quality, and structure is simple, is easily achieved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of supercritical gas foaming mould；
Fig. 2 is the structural schematic diagram of upper mold；
Fig. 3 is the structural schematic diagram of lower die；
Fig. 4 is the structural schematic diagram of gasket；
Fig. 5 is cross-sectional view of the gasket shown in Fig. 4 at A-A.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.It is understood that
It is that embodiment described herein is used only for explaining the present invention rather than limiting the invention.
It please refers to shown in Fig. 1 to Fig. 5, Fig. 1 is a kind of structural schematic diagram of supercritical gas foaming mould；Fig. 2 is upper mold
Structural schematic diagram；Fig. 3 is the structural schematic diagram of lower die；Fig. 4 is the structural schematic diagram of gasket；Fig. 5 is sealing shown in Fig. 4
Pad the cross-sectional view at A-A.
In this present embodiment, a kind of supercritical gas foaming mould, including upper mold 1 and lower die 2, the upper mold 1 include upper
Mould body 11, the upper mold body 11 are slab construction, and the lower die 2 includes lower mould body 21, are opened on the lower mould body 21
There is notch 23, and the periphery on lower mould body 21 positioned at notch 23 is provided with seal groove 24, is provided in the seal groove 24 close
Packing 3, the notch 23 are matched with upper mold body 11 to form closed foaming chamber, the inner wall of the foaming chamber
It is provided with anti-stick coating, the venthole 13 being connected with foaming chamber is provided in the upper mold body 11, the notch 23
Bottom be provided with several anti-sticking raised 25, described several anti-sticking raised 25 are distributed in the bottom of notch 23, institute in matrix
Stating anti-sticking raised 25 height is 0.5mm.
Although anti-sticking raised 25 height is 0.5mm it is noted that in the present embodiment, the present invention is not limited to
This, anti-sticking raised 25 height can also be for 0.2mm or 0.8mm or positioned at any number between the two, and the present embodiment is knot
Preferred embodiment after closing production cost and anti-adhesion effects.
In order to guarantee the sealing performance of supercritical gas foaming mould, in the present embodiment, gasket 3 includes sealing pad body
35, the first seal convexity 33 of several ring structures is evenly equipped on the upper surface of the sealing pad body 35, and adjacent first is close
The first sealed groove 32 is formed between envelope protrusion 33, is evenly equipped with several ring structures on the lower end surface of the sealing pad body 35
The second seal convexity 33, be formed with the second sealed groove 34, first sealed groove between adjacent second seal convexity 33
32 and second sealed groove 34 correspond arrange.
For the ease of installing, in the present embodiment, upper mold 1 further includes being connected to the first connection of 11 top two sides of upper mold body
Portion 12, the first connecting hole is provided in the first connecting portion 12, and the lower die 2 includes being connected to lower 21 lower part two sides of mould body
Second connecting portion 22 is provided with the second connecting hole in the second connecting portion 22.
The above embodiments only describe the basic principles and characteristics of the invention, and the present invention is not limited by above-described embodiment,
Without departing from the spirit and scope of the present invention, the invention also has various changes and changes, and these changes and changes are all fallen
Enter in scope of the claimed invention.The claimed scope of the invention is defined by the following claims.
Claims (9)
1. a kind of supercritical gas foaming mould, including upper mold and lower die, it is characterised in that: the upper mold includes upper mold body,
The lower die includes lower mould body, notch is provided on the lower mould body, and the upper periphery in notch of lower mould body is provided with
Seal groove is provided with gasket in the seal groove, and the notch is matched with upper mold body to form closed foaming
Chamber is provided with the venthole being connected with foaming chamber in the upper mold body, and it is anti-that the bottom of the notch is provided with several
Viscous protrusion.
2. a kind of supercritical gas foaming mould according to claim 1, it is characterised in that: the upper mold body is plate
Structure.
3. a kind of supercritical gas foaming mould according to claim 2, it is characterised in that: the foaming chamber it is interior
Wall is provided with anti-stick coating.
4. a kind of supercritical gas foaming mould according to claim 3, it is characterised in that: several described are anti-sticking convex
Play the bottom that notch is distributed in matrix.
5. a kind of supercritical gas foaming mould according to claim 4, it is characterised in that: the height of the anti-sticking protrusion
For 0.2mm~0.8mm.
6. a kind of supercritical gas foaming mould according to any one of claims 1 to 5, it is characterised in that: the sealing
Pad includes sealing pad body, and the first seal convexity of several ring structures is evenly equipped on the upper surface of the sealing pad body,
The first sealed groove is formed between adjacent first seal convexity, is evenly equipped with several annulars on the lower end surface of the sealing pad body
Second seal convexity of structure is formed with the second sealed groove between adjacent second seal convexity.
7. a kind of supercritical gas foaming mould according to claim 6, it is characterised in that: first sealed groove with
Second sealed groove corresponds arrangement.
8. a kind of supercritical gas foaming mould described according to claim 1 or 2 or 3 or 4 or 5 or 7, it is characterised in that: institute
Stating upper mold further includes being connected to the first connecting portion of upper mold body top two sides, and the first connection is provided in the first connecting portion
Hole.
9. a kind of supercritical gas foaming mould according to claim 8, it is characterised in that: the lower die includes being connected to
The second connecting portion of lower die body lower part two sides is provided with the second connecting hole in the second connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459530.7A CN109435134A (en) | 2018-11-30 | 2018-11-30 | A kind of supercritical gas foaming mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459530.7A CN109435134A (en) | 2018-11-30 | 2018-11-30 | A kind of supercritical gas foaming mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109435134A true CN109435134A (en) | 2019-03-08 |
Family
ID=65556063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811459530.7A Pending CN109435134A (en) | 2018-11-30 | 2018-11-30 | A kind of supercritical gas foaming mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109435134A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421738A (en) * | 2020-06-15 | 2020-07-17 | 常源科技（天津）有限公司 | Plane seals a formula and opens mould foaming injection mold a little |
| TWI828254B (en) * | 2021-08-23 | 2024-01-01 | 鉅鋼機械股份有限公司 | Molding device and injection molding method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09216238A (en) * | 1996-02-09 | 1997-08-19 | Toyo Tire & Rubber Co Ltd | Foaming mold and manufacture of molded item expanded integrally with insert |
| CN102046350A (en) * | 2008-05-28 | 2011-05-04 | 株式会社普利司通 | Mold for foam molding and foam molding method |
| CN103660151A (en) * | 2012-09-25 | 2014-03-26 | 汉达精密电子(昆山)有限公司 | Female mold anti-sticking structure |
| CN204127529U (en) * | 2014-06-09 | 2015-01-28 | 青岛东方循环能源有限公司 | A kind of novel glass end surfaces sealing gasket |
| CN205112293U (en) * | 2015-11-06 | 2016-03-30 | 江苏星科精密模具有限公司 | Car light injection mold back -off processing apparatus |
| CN107387753A (en) * | 2017-09-05 | 2017-11-24 | 镇江春环密封件集团有限公司 | A kind of teflon gasket |
| CN207050547U (en) * | 2017-07-05 | 2018-02-27 | 扬州派斯特换热设备有限公司 | A kind of plate type heat exchanger sealing structure |
| CN108372620A (en) * | 2018-03-07 | 2018-08-07 | 泉州师范学院 | A kind of macromolecule polymer material supercritical fluid foam device and foaming method |
| CN209240349U (en) * | 2018-11-30 | 2019-08-13 | 无锡锦和科技有限公司 | A kind of supercritical gas foaming mould |
-
2018
- 2018-11-30 CN CN201811459530.7A patent/CN109435134A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09216238A (en) * | 1996-02-09 | 1997-08-19 | Toyo Tire & Rubber Co Ltd | Foaming mold and manufacture of molded item expanded integrally with insert |
| CN102046350A (en) * | 2008-05-28 | 2011-05-04 | 株式会社普利司通 | Mold for foam molding and foam molding method |
| CN103660151A (en) * | 2012-09-25 | 2014-03-26 | 汉达精密电子(昆山)有限公司 | Female mold anti-sticking structure |
| CN204127529U (en) * | 2014-06-09 | 2015-01-28 | 青岛东方循环能源有限公司 | A kind of novel glass end surfaces sealing gasket |
| CN205112293U (en) * | 2015-11-06 | 2016-03-30 | 江苏星科精密模具有限公司 | Car light injection mold back -off processing apparatus |
| CN207050547U (en) * | 2017-07-05 | 2018-02-27 | 扬州派斯特换热设备有限公司 | A kind of plate type heat exchanger sealing structure |
| CN107387753A (en) * | 2017-09-05 | 2017-11-24 | 镇江春环密封件集团有限公司 | A kind of teflon gasket |
| CN108372620A (en) * | 2018-03-07 | 2018-08-07 | 泉州师范学院 | A kind of macromolecule polymer material supercritical fluid foam device and foaming method |
| CN209240349U (en) * | 2018-11-30 | 2019-08-13 | 无锡锦和科技有限公司 | A kind of supercritical gas foaming mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421738A (en) * | 2020-06-15 | 2020-07-17 | 常源科技（天津）有限公司 | Plane seals a formula and opens mould foaming injection mold a little |
| TWI828254B (en) * | 2021-08-23 | 2024-01-01 | 鉅鋼機械股份有限公司 | Molding device and injection molding method thereof |
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| CB02 | Change of applicant information |
Address after: No. 18, Dongchang Road, Dongbei Tang, Xishan District, Wuxi City, Jiangsu Province, 214191 Applicant after: Wuxi Quanjinhe Technology Co.,Ltd. Address before: 214191 Jinwang Road, Dongbei tangziwang village, Xishan District, Wuxi City, Jiangsu Province Applicant before: WUXI JINHE TECHNOLOGY Co.,Ltd. |