CN110978361A - Die pressing forming process based on high-pressure double-sided soft die application - Google Patents
Die pressing forming process based on high-pressure double-sided soft die application Download PDFInfo
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- CN110978361A CN110978361A CN201911252542.7A CN201911252542A CN110978361A CN 110978361 A CN110978361 A CN 110978361A CN 201911252542 A CN201911252542 A CN 201911252542A CN 110978361 A CN110978361 A CN 110978361A
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- substrate
- die
- forming process
- molded
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Classifications
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C2043/3205—Particular pressure exerting means for making definite articles
- B29C2043/3261—Particular pressure exerting means for making definite articles thermal expansion
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
Abstract
The invention discloses a die forming process based on high-pressure double-sided soft die application, which comprises the following steps of: s1, arranging a base material and a mould for realizing base material processing, wherein the mould consists of an upper mould and a lower mould; s2, placing the substrate in the mold, and respectively arranging release films on the upper and lower sides of the substrate; s3, arranging a mould pressing plate on the release film, wherein the mould pressing plate is a high-temperature resistant hard material; s4, arranging an auxiliary pressure plate on the mould pressing plate, wherein the auxiliary pressure plate is made of a soft material capable of expanding under heating, and the surface mould pressing of the mould pressing plate and the surface of the base material is realized by providing pressure through the expansion under heating; s5, completing the die pressing, opening the die after the product is cooled, and taking out the formed product; the die pressing forming process based on the high-pressure double-sided soft die application does not need additional processing equipment, replaces the traditional die pressing and air pressure, improves the product quality and simultaneously improves the processing efficiency; the product processed and formed by the forming process has smooth surface and clear lines.
Description
Field of the method
The invention belongs to the technical field of die forming processes, and particularly relates to a die forming process based on high-pressure double-sided soft die application.
Background
The traditional mould pressing process comprises a hard mould pressing process and a bag pressing process, wherein the condition of uneven stress on a mould pressing product often occurs in the hard mould pressing process, so that the phenomenon of disorder grains on the surface of the product is caused, and the appearance of the product is influenced; the defect of small pressure exists in the bag pressing process, the volume of the inflatable bag is larger than that of a molded product in the bag pressing process, and the side, in contact with the inflatable bag, of the product is always provided with the inflatable bag wrinkles, so that the attractiveness of the product is affected.
Disclosure of Invention
The invention aims to solve the problems and provide a die forming process based on high-pressure double-sided soft die application.
The invention provides a method scheme for providing a die pressing forming process based on high-pressure double-sided soft die application, which comprises the following steps: the die forming process based on the application of the high-pressure double-sided soft die comprises the following steps of:
step S1, setting a base material and a mold for realizing base material processing, wherein the mold consists of an upper mold and a lower mold;
step S2, placing the substrate in the mold, and respectively arranging release films on the upper and lower sides of the substrate;
step S3, arranging a mould pressing plate on the release film, wherein the mould pressing plate is a high-temperature resistant hard material;
step S4, arranging an auxiliary pressure plate on the mould pressing plate, wherein the auxiliary pressure plate is made of a soft material which expands under heating, and the surface mould pressing of the mould pressing plate and the surface of the base material is realized by providing pressure through the expansion under heating;
and step S5, completing the die pressing, opening the die after the product is cooled, and taking out the formed product.
Further, in step S2, after the substrate is molded, when the surface of the substrate is a plane, a release film is attached to the surface of the substrate.
Further, in step S3, the molded substrate is a plane, and the molded plate is one of a plane glass and a plane metal plate.
Further, in step S3, the molded substrate is non-planar, and the mold press plate is a mold having the same shape as the mold press surface of the molded substrate.
Further, in step S3, the substrate is molded on a single side, and a molding plate is disposed on the molding surface of the substrate.
Further, in step S4, the substrate is molded on a single surface, and an auxiliary pressing plate is disposed on the molded surface of the substrate.
Further, in step S4, the auxiliary pressing plate is one of solid silica gels.
Furthermore, in the heating process in the mold, the heating time range is between 10min and 1h, and the heating temperature range is between 70 ℃ and 160 ℃.
The invention has the following advantages and positive effects:
(1) the die pressing forming process based on the high-pressure double-sided soft die application does not need additional processing equipment, replaces the traditional die pressing process and air pressure process, improves the product quality and simultaneously improves the processing efficiency;
(2) the product processed and formed by the die forming process based on the high-pressure double-sided soft die application has the advantages of perfect shape, smooth surface, clear lines and beautiful appearance;
(3) through the arrangement of the heated expansion material and the high-temperature resistant hard material, the base material is stressed uniformly in the die pressing process, the shape of a formed product is perfect, and the surface lines of the product are clear;
(4) through pasting from the type membrane on the substrate surface for the product surface that the mould pressing takes shape is more smooth, has improved silica gel life simultaneously.
Drawings
FIG. 1 is a flow chart of the production process of the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail with reference to the accompanying drawings.
The invention is described below with reference to fig. 1: the die forming process based on the application of the high-pressure double-sided soft die comprises the following steps of: s1, arranging a base material and a mould for realizing base material processing, wherein the mould consists of an upper mould and a lower mould;
s2, placing the substrate in the mold, and respectively arranging release films on the upper and lower sides of the substrate; s3, arranging a mould pressing plate on the release film, wherein the mould pressing plate is a high-temperature resistant hard material; s4, arranging an auxiliary pressure plate on the mould pressing plate, wherein the auxiliary pressure plate is made of a soft material capable of expanding under heating, and the surface mould pressing of the mould pressing plate and the surface of the base material is realized by providing pressure through the expansion under heating; and S5, completing the die pressing, opening the die after the product is cooled, and taking out the formed product.
In step S2, when the surface of the substrate is flat after the substrate is molded, a release film is attached to the surface of the substrate.
In step S3, the molded substrate is a flat surface, and the molded plate is one of a flat glass plate and a flat metal plate.
In step S3, the molded substrate is a non-planar surface, the molded plate is a mold having the same shape as the molded surface of the molded substrate, the molded plate is provided with patterns, grains, and the like, and the patterns, grains, and the like on the molded plate are imprinted on the molded surface of the substrate under the action of pressure.
In step S3, the base material is single-sided molded, and a molding plate is provided on the molded surface of the base material.
In step S4, the base material is single-sided molded, and an auxiliary pressing plate is provided on the molded surface of the base material.
In step S4, the auxiliary pressing plate is one of solid silicone.
It should be noted that, in the heating process in the mold, the heating time is in the range of 10min to 1h, and the heating temperature is in the range of 70 ℃ to 160 ℃.
According to the die pressing forming process based on the high-pressure double-sided soft die application, when the substrate is subjected to double-sided die pressing, and the two sides of the molded substrate are planes, the release films are arranged on the two sides of the substrate, the die pressing plates are arranged on the release films, the auxiliary pressing plates are arranged on the die pressing plates and are made of soft materials capable of expanding under heating, the surface die pressing of the die pressing plates and the surface of the substrate is realized by providing pressure through heating expansion, the stress of the substrate is uniform, and the high-quality surface is obtained.
According to the die pressing forming process based on the high-pressure double-sided soft die application, when the single side of the base material is subjected to die pressing, and the single side of the base material subjected to die pressing is a plane, the die pressing surface is provided with the release film, the die pressing plate is arranged on the release film, the die pressing plate is provided with the auxiliary pressing plate, the auxiliary pressing plate is made of a soft material capable of expanding under heating, the surface die pressing of the die pressing plate and the surface of the base material is realized by providing pressure through heating expansion, the base material is uniformly stressed, and a high.
According to the die pressing forming process based on the high-pressure double-sided soft die application, when the double sides of the base material subjected to die pressing are non-planar, the die pressing surface of the base material is provided with the die pressing plate, the die pressing plate is provided with the auxiliary pressing plate, the auxiliary pressing plate is made of the soft material capable of expanding under heating, the surface die pressing of the die pressing plate and the surface of the base material is realized by providing pressure through heating expansion, the base material is uniformly stressed, and the high-quality surface is obtained.
The product processed and formed by the die forming process based on the high-pressure double-sided soft die application has the advantages of perfect shape, smooth surface, clear lines and beautiful appearance.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof in any way, and any simple modifications, equivalent alterations and modifications of the above embodiments, which are obvious from the practice of the method of the present invention, are intended to be included within the scope of the method of the present invention.
Claims (8)
1. The die pressing forming process based on the application of the high-pressure double-sided soft die is characterized by comprising the following steps of:
step S1, setting a base material and a mold for realizing base material processing, wherein the mold consists of an upper mold and a lower mold;
step S2, placing the substrate in the mold, and respectively arranging release films on the upper and lower sides of the substrate;
step S3, arranging a mould pressing plate on the release film, wherein the mould pressing plate is a high-temperature resistant hard material;
step S4, arranging an auxiliary pressure plate on the mould pressing plate, wherein the auxiliary pressure plate is made of a soft material which expands under heating, and the surface mould pressing of the mould pressing plate and the surface of the base material is realized by providing pressure through the expansion under heating;
and step S5, completing the die pressing, opening the die after the product is cooled, and taking out the formed product.
2. The press forming process based on high pressure double-sided soft mold application according to claim 1, characterized in that: in step S2, after the substrate is molded, when the surface of the substrate is a plane, a release film is attached to the surface of the substrate.
3. The press forming process based on high pressure double-sided soft mold application according to claim 1, characterized in that: in step S3, the molded substrate is a flat surface, and the molded plate is one of flat glass and flat metal plate.
4. The press forming process based on high pressure double-sided soft mold application according to claim 1, characterized in that: in step S3, the molded substrate is a non-planar surface, and the molded plate is a mold having the same shape as the molded surface of the molded substrate.
5. The press forming process based on high pressure double-sided soft mold application according to claim 1, characterized in that: in step S3, the substrate is molded on a single surface, and a mold pressing plate is disposed on the molded surface of the substrate.
6. The press forming process based on high pressure double-sided soft mold application according to claim 1, characterized in that: in step S4, the substrate is molded on a single surface, and an auxiliary pressing plate is disposed on the molded surface of the substrate.
7. The press forming process based on high pressure double-sided soft mold application according to claim 1, characterized in that: in step S4, the auxiliary pressing plate is one of solid silica gels.
8. The press forming process based on high pressure double-sided soft mold application according to claim 1, characterized in that: in the heating process in the mold, the heating time range is 10min-1h, and the heating temperature range is 70-160 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252542.7A CN110978361A (en) | 2019-12-09 | 2019-12-09 | Die pressing forming process based on high-pressure double-sided soft die application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252542.7A CN110978361A (en) | 2019-12-09 | 2019-12-09 | Die pressing forming process based on high-pressure double-sided soft die application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110978361A true CN110978361A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911252542.7A Pending CN110978361A (en) | 2019-12-09 | 2019-12-09 | Die pressing forming process based on high-pressure double-sided soft die application |
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| CN (1) | CN110978361A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5190773A (en) * | 1991-11-18 | 1993-03-02 | United Technologies Corporation | Mold for fabricating composite articles having integrally bonded stiffening members |
| EP2835252A1 (en) * | 2013-08-09 | 2015-02-11 | Airbus Operations S.L. | Tooling and method for consolidating highly integrated composite structures |
| CN106220979A (en) * | 2016-07-27 | 2016-12-14 | 贵州省材料产业技术研究院 | Water miscible thermal expansion molding core and preparation method thereof and using method |
-
2019
- 2019-12-09 CN CN201911252542.7A patent/CN110978361A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5190773A (en) * | 1991-11-18 | 1993-03-02 | United Technologies Corporation | Mold for fabricating composite articles having integrally bonded stiffening members |
| EP2835252A1 (en) * | 2013-08-09 | 2015-02-11 | Airbus Operations S.L. | Tooling and method for consolidating highly integrated composite structures |
| CN106220979A (en) * | 2016-07-27 | 2016-12-14 | 贵州省材料产业技术研究院 | Water miscible thermal expansion molding core and preparation method thereof and using method |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |