CN113427696A - Reverse mold rapid forming process of foamed sealing gasket - Google Patents
Reverse mold rapid forming process of foamed sealing gasket Download PDFInfo
- Publication number
- CN113427696A CN113427696A CN202110613765.2A CN202110613765A CN113427696A CN 113427696 A CN113427696 A CN 113427696A CN 202110613765 A CN202110613765 A CN 202110613765A CN 113427696 A CN113427696 A CN 113427696A
- Authority
- CN
- China
- Prior art keywords
- special
- mold
- aluminum profile
- shaped aluminum
- reverse
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 42
- 238000005187 foaming Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 206010066054 Dysmorphism Diseases 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000006261 foam material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a reverse-mold rapid molding process of a foamed sealing gasket, which relates to the technical field of foam material molding and comprises the following steps: s1: selecting a special-shaped aluminum profile with proper length as a reverse mold, forming a forming mold together with a general jig capable of placing the special-shaped aluminum profile, and enclosing the general jig and the special-shaped aluminum profile to form a mold cavity; s2: pouring a certain amount of liquid foaming raw materials into the mold cavity, and then standing until the liquid foaming raw materials are foamed, cured and molded; s3: opening the mold cavity, and tearing off the molded foaming sealing gasket; s4: and S2 is carried out until the foamed sealing gasket applied to the special-shaped aluminum profile is completely manufactured.
Description
Technical Field
The invention belongs to the technical field of foaming material forming, and particularly relates to a reverse-mold rapid forming process of a foaming sealing gasket.
Background
At present, the manufacturing process flow of the foaming sealing gasket for the T-shaped connection sealing of the special-shaped aluminum profile is as follows: designing a sealing gasket processing diagram which is easy to machine and is matched with the profile of the special-shaped aluminum profile as much as possible according to the section diagram of the special-shaped aluminum profile; cutting the finished product foaming material into sheets according to the thickness required by the sealing gasket processing diagram, and clamping the sheets on a numerical control milling machine to mill a groove meeting the design requirement; the sheet is cut into finished foamed gaskets according to the width required by the gasket processing diagram. Because the foaming material is soft and easy to deform, the precision after milling is difficult to ensure. Therefore, the foamed sealing gasket manufactured by the manufacturing process has low goodness of fit with the special-shaped aluminum profile, and the sealing effect is poor. If the requirement on the goodness of fit of the foamed sealing gasket and the special-shaped aluminum profile is high, the sealing gasket meeting the use requirement can be processed only by frequently adjusting for many times when the foamed sealing gasket is manufactured by the manufacturing process, so that the manufacturing period is long, the rejection rate is high, and the cost of the foamed sealing gasket is high; and a large amount of smoke dust spray is easily generated in the milling process, the human health is damaged, and the environment is influenced.
Disclosure of Invention
In order to solve the above problems, the present invention provides a reverse mold rapid molding process for a foamed sealing gasket, wherein a special-shaped aluminum profile is used as a reverse mold and matched with a universal fixture to assemble a molding mold, the manufactured foamed sealing gasket is seamlessly matched with the special-shaped aluminum profile, and the production process is clean and environment-friendly.
The invention also aims to provide a reverse-mold rapid forming process of the foamed sealing gasket, which is simple and rapid to operate, shortens the production period of the foamed sealing gasket and reduces the production cost.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention provides a reverse-mold rapid forming process of a foamed sealing gasket, which comprises the following steps:
s1: selecting a special-shaped aluminum profile with proper length as a reverse mold, forming a forming mold together with a general jig capable of placing the special-shaped aluminum profile, and enclosing the general jig and the special-shaped aluminum profile to form a mold cavity;
s2: closing the mold cavity, filling a certain amount of liquid foaming raw materials into the mold cavity, and standing until the liquid foaming raw materials are foamed, cured and molded;
s3: opening the mold cavity, and tearing off the molded foaming sealing gasket;
s4: and S2 is carried out until the foamed sealing gasket applied to the special-shaped aluminum profile is completely manufactured.
Furthermore, the universal jig comprises a positioning plate and a movable plate, the positioning plate and the movable plate are connected to form a clamping position, the special-shaped aluminum profile is clamped with the universal jig after being positioned at the clamping position, the positioning plate, the movable plate and the special-shaped aluminum profile jointly enclose to form a mold cavity, and the movable plate is connected with the positioning plate in a sliding or rotating mode; the S1 concrete steps are: s11: a user selects a special-shaped aluminum profile with a preset length as a reverse mould; s12: a user moves the movable plate to open the die cavity, and the selected special-shaped aluminum profile is placed into the clamping position to be clamped with the universal jig; s13: the user moves the movable plate to close the mold cavity.
Further, general tool still includes height adjusting part, and height adjusting part is connected with fly leaf, locating plate, still includes in the S12 and adjusts step S121: when changing the high different dysmorphism aluminium alloy of difference, the size that highly user adjusted the joint position through the altitude mixture control spare according to the dysmorphism aluminium alloy makes its special-shaped aluminium alloy of adaptation.
Further, step a is also included in S1: and paving Teflon anti-sticking cloth on the part of the universal jig, which is positioned in the die cavity.
Further, step B is performed before each start of S2: and opening the die cavity, cleaning the inner wall of the die cavity, and spraying a release agent on the part of the special-shaped aluminum profile, which is positioned in the die cavity.
Further, the general jig is provided with a filling port and an exhaust port, the filling port and the exhaust port are respectively arranged at two ends of the mold cavity, and in S2, a user fills a certain amount of liquid foaming raw material into the mold cavity through the filling port, and redundant gas in the mold cavity overflows from the exhaust port.
The invention has the advantages that: compared with the prior art, in the invention, the special-shaped aluminum profile is used as a reverse mold and matched with the universal jig to be assembled into the forming mold, the liquid foaming raw material is poured into the gap between the special-shaped aluminum profile and the universal jig to foam into the sealing gasket matched with the appearance of the special-shaped aluminum profile, the manufactured foaming sealing gasket is matched with the special-shaped aluminum profile in a seamless mode, and the finished product precision is high; the operation of manufacturing the foaming sealing gasket by using the mold is simple, the manufacturing period is short, the manufacturing cost is low, smoke droplets are not easily generated when the foaming sealing gasket is manufactured by using the mold, and the mold is clean and environment-friendly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention provides a reverse-mold rapid forming process of a foamed sealing gasket, which comprises the following steps:
s1: selecting a special-shaped aluminum profile with proper length as a reverse mold, forming a forming mold together with a general jig capable of placing the special-shaped aluminum profile, and enclosing the general jig and the special-shaped aluminum profile to form a mold cavity;
s2: and opening the mold cavity, cleaning the inner wall of the mold cavity, spraying a release agent on the part of the special-shaped aluminum profile positioned in the mold cavity, and closing the mold cavity.
S3: pouring a liquid foaming raw material into the die cavity, and then standing until the liquid foaming raw material is foamed, cured and molded;
s4: opening the mold cavity, and tearing off the molded foaming sealing gasket;
s5: and S2 is carried out until the foamed sealing gasket applied to the special-shaped aluminum profile is completely manufactured.
The universal jig comprises a height adjusting piece, a positioning plate and a movable plate, wherein the positioning plate and the movable plate are connected to form a clamping position, and the height adjusting piece is connected with the movable plate and the positioning plate. The user accessible height-adjusting spare adjusts the activity board position, and then adjusts joint position size. The special-shaped aluminum profile is located behind the clamping position and clamped with the universal jig, the positioning plate, the movable plate and the special-shaped aluminum profile jointly enclose to form a mold cavity, and the movable plate is connected with the positioning plate in a sliding or rotating mode.
The S1 concrete steps are:
s11: a user selects a special-shaped aluminum profile adaptive to the clamping length of the universal jig as a reverse mold;
s12: paving Teflon anti-sticking cloth on the part of the universal jig, which is positioned in the die cavity;
s13: a user moves the movable plate to open the die cavity, and the selected special-shaped aluminum profile is placed into the clamping position to be clamped with the universal jig; when changing the high different dysmorphism aluminium alloy of difference, the size that highly user adjusted the joint position through the altitude mixture control spare according to the dysmorphism aluminium alloy makes its special-shaped aluminium alloy of adaptation.
S14: the user moves the movable plate to close the mold cavity.
The universal jig is provided with a filling port and an exhaust port, the filling port and the exhaust port are respectively arranged at two ends of the mold cavity, and in S3, a user fills a certain amount of liquid foaming raw material into the mold cavity through the filling port, and redundant gas in the mold cavity overflows from the exhaust port.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A reverse mold rapid molding process of a foaming sealing gasket comprises the following steps:
s1: selecting a special-shaped aluminum profile with proper length as a reverse mold, forming a forming mold together with a general jig capable of placing the special-shaped aluminum profile, and enclosing the general jig and the special-shaped aluminum profile to form a mold cavity;
s2: closing the mold cavity, filling a certain amount of liquid foaming raw materials into the mold cavity, and standing until the liquid foaming raw materials are foamed, cured and molded;
s3: opening the mold cavity, and tearing off the molded foaming sealing gasket;
s4: and S2 is carried out until the foamed sealing gasket applied to the special-shaped aluminum profile is completely manufactured.
2. The reverse-mold rapid molding process for a foamed gasket according to claim 1, characterized in that: the universal jig comprises a positioning plate and a movable plate, the positioning plate and the movable plate are connected to form a clamping position, the special-shaped aluminum profile is clamped with the universal jig after being positioned at the clamping position, the positioning plate, the movable plate and the special-shaped aluminum profile jointly enclose to form a mold cavity, and the movable plate is connected with the positioning plate in a sliding or rotating mode; the S1 concrete steps are: s11: a user selects a special-shaped aluminum profile with a preset length as a reverse mould; s12: a user moves the movable plate to open the die cavity, and the selected special-shaped aluminum profile is placed into the clamping position to be clamped with the universal jig; s13: the user moves the movable plate to close the mold cavity.
3. The reverse-mold rapid molding process for a foamed gasket according to claim 2, characterized in that: general tool still includes height adjusting part, and height adjusting part is connected with fly leaf, locating plate, still includes in the S12 and adjusts step S121: when changing the high different dysmorphism aluminium alloy of difference, the size that highly user adjusted the joint position through the altitude mixture control spare according to the dysmorphism aluminium alloy makes its special-shaped aluminium alloy of adaptation.
4. The reverse-mold rapid molding process for a foamed gasket according to claim 3, characterized in that: step a is also included in S1: and paving Teflon anti-sticking cloth on the part of the universal jig, which is positioned in the die cavity.
5. The reverse-mold rapid molding process for a foamed gasket according to claim 4, characterized in that: step B is performed before each start of S2: and opening the die cavity, cleaning the inner wall of the die cavity, and spraying a release agent on the part of the special-shaped aluminum profile, which is positioned in the die cavity.
6. The reverse-mold rapid molding process for a foamed gasket according to claim 5, characterized in that: the universal jig is provided with a filling port and an exhaust port, the filling port and the exhaust port are respectively arranged at two ends of the mold cavity, and in S2, a user fills a certain amount of liquid foaming raw material into the mold cavity through the filling port, and redundant gas in the mold cavity overflows from the exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110613765.2A CN113427696A (en) | 2021-06-02 | 2021-06-02 | Reverse mold rapid forming process of foamed sealing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110613765.2A CN113427696A (en) | 2021-06-02 | 2021-06-02 | Reverse mold rapid forming process of foamed sealing gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113427696A true CN113427696A (en) | 2021-09-24 |
Family
ID=77803661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110613765.2A Pending CN113427696A (en) | 2021-06-02 | 2021-06-02 | Reverse mold rapid forming process of foamed sealing gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113427696A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03279583A (en) * | 1990-03-28 | 1991-12-10 | Asahi Glass Co Ltd | Manufacture of window glass with gasket |
| CA1315184C (en) * | 1988-07-22 | 1993-03-30 | Tonny Ernst Bergqvist | Laminated panels |
| JP2008168448A (en) * | 2007-01-09 | 2008-07-24 | Nok Corp | Manufacturing method of seal part |
| CN108813916A (en) * | 2018-09-07 | 2018-11-16 | 枣庄正和制刷有限公司 | One kind is for the anti-dry protecting box of environmental protection and energy saving paint brush |
| CN110171094A (en) * | 2019-06-20 | 2019-08-27 | 滁州益佳模具设备制造有限公司 | A kind of refrigerator foaming mold with quick locking function |
| CN110815691A (en) * | 2018-08-10 | 2020-02-21 | 嘉兴未来新材料科技有限公司 | Preparation method of organic silicon foaming gasket for power battery box body packaging |
| CN212994120U (en) * | 2020-08-07 | 2021-04-20 | 城步南山汇牛食品有限公司 | Baking device for beef jerky |
-
2021
- 2021-06-02 CN CN202110613765.2A patent/CN113427696A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1315184C (en) * | 1988-07-22 | 1993-03-30 | Tonny Ernst Bergqvist | Laminated panels |
| JPH03279583A (en) * | 1990-03-28 | 1991-12-10 | Asahi Glass Co Ltd | Manufacture of window glass with gasket |
| JP2008168448A (en) * | 2007-01-09 | 2008-07-24 | Nok Corp | Manufacturing method of seal part |
| CN110815691A (en) * | 2018-08-10 | 2020-02-21 | 嘉兴未来新材料科技有限公司 | Preparation method of organic silicon foaming gasket for power battery box body packaging |
| CN108813916A (en) * | 2018-09-07 | 2018-11-16 | 枣庄正和制刷有限公司 | One kind is for the anti-dry protecting box of environmental protection and energy saving paint brush |
| CN110171094A (en) * | 2019-06-20 | 2019-08-27 | 滁州益佳模具设备制造有限公司 | A kind of refrigerator foaming mold with quick locking function |
| CN212994120U (en) * | 2020-08-07 | 2021-04-20 | 城步南山汇牛食品有限公司 | Baking device for beef jerky |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210924 |
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| RJ01 | Rejection of invention patent application after publication |