CN108215061A - A kind of mould process for making silica gel part - Google Patents
A kind of mould process for making silica gel part Download PDFInfo
- Publication number
- CN108215061A CN108215061A CN201810324389.3A CN201810324389A CN108215061A CN 108215061 A CN108215061 A CN 108215061A CN 201810324389 A CN201810324389 A CN 201810324389A CN 108215061 A CN108215061 A CN 108215061A
- Authority
- CN
- China
- Prior art keywords
- silica gel
- die
- mould process
- making silica
- part according
- 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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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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B2013/005—Degassing undesirable residual components, e.g. gases, unreacted monomers, from material to be moulded
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
- B29C2045/14245—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity using deforming or preforming means outside the mould cavity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of mould process for making silica gel part, include the following steps：（1）Component die and body die are developed respectively；（2）Utilize step（1）Described in component die it is separately formed needed for part；（3）By step（2）The part of forming is fixed on body die；Using injection molding machine injection fillers body die cavity, an entirety is formed；（4）After cooling, die sinking obtains required product.The present invention is not only easy to operate, at low cost, efficient, and fabrication cycle is short, and precision is high, and manufactured product mechanical property is good.
Description
Technical field
The present invention relates to a kind of mould process, more particularly to a kind of mould process for making silica gel part belongs to
Field is fabricated in mold.
Background technology
Mold is that embryo material is made to become the tools for having specific shape and size under external force, is widely used in rushing
It cuts out, the compression moulding of the products such as mould is forged, cold-heading, extruding, metallic sintered products compacting, compression casting and engineering plastics, rubber, ceramics
Or in the processing and forming of injection.
The silica gel product of current more parts is typically to utilize mold that each part is separately formed out, will by binder
Each part is pasted to form one, and such way production cycle is long, and the product produced not only bonds trace and significantly affects outside
It sees, and binder belongs to chemicals there are security risk, and tensile property is poor, can be easily separated under external force, influences
Performance.
Therefore, how to provide a kind of good mould process that makes silica gel part effect become those skilled in the art there is an urgent need for
It solves the problems, such as.
Invention content
In view of this, the present invention provides a kind of mould process for making silica gel part, not only easy to operate, at low cost,
It is efficient, and fabrication cycle is short, and precision is high, and manufactured product mechanical property is good.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of mould process for making silica gel part, includes the following steps：
（1）Component die and body die are developed respectively；
（2）Utilize step（1）Described in component die it is separately formed needed for part；
（3）By step（2）The part of forming is fixed on body die；Using injection molding machine injection fillers body die cavity,
Form an entirety；
（4）After cooling, die sinking obtains required product.
The present invention first makes part, then part is fixed on body die, is then integrally formed, not only operation letter
It is single, it is at low cost, it is efficient, and also fabrication cycle is short, and precision is high, and manufactured product mechanical property is good.
Preferably, step（2）Described in component die it is separately formed needed for part technique, include the following steps：
A, silica gel treatment and type vacuum injecting and forming：Liquid silica gel is weighed, addition curing agent is uniformly mixed, and carries out vacuumizing and defoaming；Then
Silica gel is poured into component die, vacuumizes and carries out secondary deaeration, the silica gel after deaeration is cured at 65-75 DEG C,
Then it stands and is cooled to 18-25 DEG C；
B, it molds：After cooling, part is taken out in die sinking, removes running channel, is polished it, polished, painted to get required part.
The present invention carries out deaeration processing to silica gel, effectively eliminates the volatile impurity contained in silica gel, ensure that solid
Bubble generation is not had during change.
Preferably, first time vacuum defoamation time control is in 7-12min；Second of vacuum defoamation time control is in 20-
35min.It is handled by deaeration twice, can more thoroughly remove impurity, ensure the quality of product.
Preferably, the curing agent is p-hydroxybenzenyl sulfonate.
Preferably, step（3）It is middle that liquid silica gel injection fillers are entered by body die cavity using injection molding machine, stand 5-
10min；It is 65-75 DEG C, hardening time 30-60min to adjust solidification temperature, is molded after completing curing, polished it,
Polishing is painted to get required whole product.
The present invention enters liquid silica gel injection fillers in body die cavity, by time of repose, solidification temperature and consolidates
Change the setting of time, not only effectively shorten the production cycle, improve production efficiency, and ensure that part is combined with main body
Firmness.
Preferably, temperature is controlled, according to different products, can to adjust and pour in the range of 25-35 DEG C at 25-35 DEG C during cast
Temperature is noted, to ensure the performance of product.
Preferably, the main body is solid, and part is fixed on body die by positioning blind rivet, can be used after die sinking
The physics modes removal positioning blind rivet such as pull out, cut.Part is fixed on body die so that when main body is integrally formed with part,
Relative position will not change, and then improve the precision of product.
Preferably, the main body is hollow, and body supports positioning column is interspersed in body die, is positioned by body supports
Part is fixed on body die by column.Positioning blind rivet is replaced using body supports positioning column, removal positioning is not had to after encapsulated and is drawn
Nail, ensure that the aesthetics of product.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawings are part of the present invention and the cast figure of solid body.
Fig. 2 attached drawings are part of the present invention and the cast figure of hollow body.
Wherein, in figure, 1- main bodys；2- parts；3- body dies；4- positions blind rivet；5- body supports positioning columns.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of mould process for making silica gel part, first make part, then part is fixed
On body die, then it is integrally formed, it is not only easy to operate, it is at low cost, it is efficient, and also fabrication cycle is short, precision
Height, manufactured product mechanical property are good.
The present invention provides a kind of mould process for making silica gel part, include the following steps：
（1）Component die and body die are developed respectively；
（2）Utilize step（1）Part needed for middle component die is separately formed；
（3）By step（2）The part of forming is fixed on body die；Using injection molding machine injection fillers body die cavity,
Form an entirety；
（4）After cooling, die sinking obtains required product.
The present invention first makes part, then part is fixed on body die, is then integrally formed, not only operation letter
It is single, it is at low cost, it is efficient, and also fabrication cycle is short, and precision is high, and manufactured product mechanical property is good.
In order to advanced optimize above-mentioned technical proposal, step（2）The technique of part needed for middle component die is separately formed, packet
Include following steps：
A, silica gel treatment and type vacuum injecting and forming：Liquid silica gel is weighed, addition curing agent is uniformly mixed, and carries out vacuumizing and defoaming；Then
Silica gel is poured into component die, vacuumizes and carries out secondary deaeration, the silica gel after deaeration is cured at 65-75 DEG C,
Then it stands and is cooled to 18-25 DEG C；
B, it molds：After cooling, part is taken out in die sinking, removes running channel, is polished it, polished, painted to get required part.
The present invention carries out deaeration processing to silica gel, effectively eliminates the volatile impurity contained in silica gel, ensure that solid
Bubble generation is not had during change.
In order to advanced optimize above-mentioned technical proposal, first time vacuum defoamation time control is in 7-12min；Second of vacuum
Inclined heated plate is controlled in 20-35min.It is handled by deaeration twice, can more thoroughly remove impurity, ensure the matter of product
Amount.
In order to advanced optimize above-mentioned technical proposal, curing agent is p-hydroxybenzenyl sulfonate.
In order to advanced optimize above-mentioned technical proposal, step（3）It is middle to be become owner of liquid silica gel injection fillers using injection molding machine
Mould cavity stands 5-10min；It is 65-75 DEG C, hardening time 30-60min to adjust solidification temperature, is opened after completing curing
Mould polishes to it, is polished, being painted to get required whole product.
The present invention enters liquid silica gel injection fillers in body die cavity, by time of repose, solidification temperature and consolidates
Change the setting of time, not only effectively shorten the production cycle, improve production efficiency, and ensure that part is combined with main body
Firmness.
In order to advanced optimize above-mentioned technical proposal, control temperature, can according to different products at 25-35 DEG C during cast
Pouring temperature is adjusted in the range of 25-35 DEG C, to ensure the performance of product.
Refering to attached drawing 1, main body 1 is solid, and part 2 is fixed on body die 3 by positioning blind rivet 4, can after die sinking
Using pulling out, the physics modes removal positioning blind rivet 4 such as cut.Part 2 is fixed on body die 3 so that main body 1 and part 2 one
When body formed, relative position will not change, and then improve the precision of product.
Refering to attached drawing 2, main body 1 is hollow, and body supports positioning column 5 is interspersed in body die 3, is determined by body supports
Part 2 is fixed on body die 3 by position column 5.Positioning blind rivet 4 is replaced using body supports positioning column 5, does not have to removal after encapsulated
Blind rivet 4 is positioned, ensure that the aesthetics of product.
In order to advanced optimize above-mentioned technical proposal, the material of part of the present invention and main body is not limited only to silica gel, can be with
It is the materials such as plastic cement, hardware.
The mould process of the present invention not only increases the production efficiency of product, reduces production cost, and improve production
The aesthetics and mechanical performance of product, and manufactured good product quality, precision is high, has important economic and social benefit.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (8)
1. a kind of mould process for making silica gel part, which is characterized in that include the following steps：
（1）Component die and body die are developed respectively；
（2）Utilize step（1）Described in component die it is separately formed needed for part；
（3）By step（2）The part of forming is fixed on body die；Using injection molding machine injection fillers body die cavity,
Form an entirety；
（4）After cooling, die sinking obtains required product.
A kind of 2. mould process for making silica gel part according to claim 1, which is characterized in that step（2）Described in
The technique of part, includes the following steps needed for component die is separately formed：
A, silica gel treatment and type vacuum injecting and forming：Liquid silica gel is weighed, addition curing agent is uniformly mixed, and carries out vacuumizing and defoaming；Then
Silica gel is poured into component die, vacuumizes and carries out secondary deaeration, the silica gel after deaeration is cured at 65-75 DEG C,
Then it stands and is cooled to 18-25 DEG C；
B, it molds：After cooling, part is taken out in die sinking, removes running channel, is polished it, polished, painted to get required part.
A kind of 3. mould process for making silica gel part according to claim 2, which is characterized in that first time vacuum defoamation
Time control is in 7-12min；Second of vacuum defoamation time control is in 20-35min.
A kind of 4. mould process for making silica gel part according to Claims 2 or 3, which is characterized in that the curing agent
For p-hydroxybenzenyl sulfonate.
A kind of 5. mould process for making silica gel part according to claim 1 or 2, which is characterized in that step（3）In adopt
Liquid silica gel injection fillers are entered into body die cavity with injection molding machine, stand 5-10min；It is 65-75 DEG C to adjust solidification temperature,
Hardening time is 30-60min, is molded after completing curing, is polished it, polished, painted to get required whole product.
6. a kind of mould process for making silica gel part according to claim 5, which is characterized in that temperature is controlled during cast
At 25-35 DEG C.
7. a kind of mould process for making silica gel part according to claim 1 or 2, which is characterized in that the main body is
It is solid, part is fixed on body die by positioning blind rivet, removal positioning blind rivet after die sinking.
8. a kind of mould process for making silica gel part according to claim 1 or 2, which is characterized in that the main body is
It is hollow, body supports positioning column is interspersed in body die, part is fixed on body die by body supports positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324389.3A CN108215061A (en) | 2018-04-12 | 2018-04-12 | A kind of mould process for making silica gel part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324389.3A CN108215061A (en) | 2018-04-12 | 2018-04-12 | A kind of mould process for making silica gel part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108215061A true CN108215061A (en) | 2018-06-29 |
Family
ID=62657768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324389.3A Withdrawn CN108215061A (en) | 2018-04-12 | 2018-04-12 | A kind of mould process for making silica gel part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108215061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251526B (en) * | 2020-01-17 | 2023-03-31 | 深圳市宝利实业发展有限公司 | Liquid silica gel forming method |
-
2018
- 2018-04-12 CN CN201810324389.3A patent/CN108215061A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251526B (en) * | 2020-01-17 | 2023-03-31 | 深圳市宝利实业发展有限公司 | Liquid silica gel forming method |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180629 |