CN207465924U - A kind of mold for vacuum infusion molding - Google Patents
A kind of mold for vacuum infusion molding Download PDFInfo
- Publication number
- CN207465924U CN207465924U CN201721400539.1U CN201721400539U CN207465924U CN 207465924 U CN207465924 U CN 207465924U CN 201721400539 U CN201721400539 U CN 201721400539U CN 207465924 U CN207465924 U CN 207465924U
- Authority
- CN
- China
- Prior art keywords
- upper male
- mould
- cavity die
- lower cavity
- silica gel
- 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.)
- Active
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of molds for vacuum infusion molding, including lower cavity die, upper male mould, upper male mould includes mould body, and mould body is made of silica gel material, sealed groove is equipped with around mould body lower surface outer rim, grouting port and bleeding point are equipped on mould body；Seal convexity is equipped with around lower cavity die top surface edge, position corresponding with sealed groove；After upper male mould and lower cavity die molding, there are gap, grouting port and bleeding points therebetween to connect respectively with the gap.The silica gel upper male mould of the utility model is light and soft, and rollable placement takes up space small.It is simple to mold step, without time-consuming laying vacuum bag and disposable auxiliary material, and silica gel upper male mould repeats utilization, reduces the wasting of resources.During demoulding, vacuum sealing state need to only be removed, silica gel upper male mould is raised from product to be demoulded, and demoulding step is convenient and efficient, time saving and energy saving, and production efficiency is high.
Description
Technical field
The utility model belongs to vacuum infusion molding technology, and in particular to a kind of mold for vacuum infusion molding.
Background technology
Vacuum infusion molding process for compound is by way of vacuumizing, and product cavity is made to be in negative pressure state, by atmospheric pressure
Resin slurry is pressed into product cavity by the pressure differential between cavity negative pressure, achievees the purpose that wetting fibre fabric.
At present, it manufactures there are mainly two types of the vacuum infusion molding process for compound used in product, the door in being manufactured below with train is stood
For column cover, two kinds of techniques are illustrated.
The first is produced using upper male mould and lower cavity die made of glass-reinforced plastic material.Since glass-reinforced plastic material is convex
Mould weight is big, lifting is required for be aligned during molding and molding, upper male mould and lower cavity die fasten close by blending bolt
Envelope, it is time-consuming and laborious, and mold occupied space is big.
It is using vacuum bag pouring and forming process in second, method is that lower cavity die is sleeved in vacuum bag, and will be true
Empty bag seal, then by bag vacuum, vacuum bag is pasted in recessed model cavity, by vacuum bag slip casting produced
Product.There are following defects in this series of process：
1. vacuum bag can need manually to be washed during being evacuated there are many folds, time-consuming and laborious.
2. the edge by vacuum bag and lower cavity die is needed to be sealed with sealant tape, take a substantial amount of time.
3. knockout course is more cumbersome, need the vacuum bag and sealant tape that will be sticky in made product surface manual
It tears, demoulding difficulty is big, and time-consuming, and cost of labor is higher.
From two kinds of techniques above, there are low production efficiencies for existing vacuum infusion molding process for compound, time-consuming and laborious
Defect.
Utility model content
In view of the above-mentioned problems, to be intended to provide a kind of production efficiency high, time saving and energy saving for priming by vacuum for the utility model
Molding mold.
The technical solution that the utility model solves the problems, such as is：A kind of mold for vacuum infusion molding, including lower cavity die,
Upper male mould, the upper male mould include the mould body identical with lower cavity die cavity structure, and the mould body is made of silica gel material, ring
Sealed groove is equipped with around mould body lower surface outer rim, grouting port and bleeding point are equipped on mould body；
Seal convexity is equipped with around lower cavity die top surface edge, position corresponding with sealed groove；
After upper male mould and lower cavity die molding, therebetween there are gap, the grouting port and bleeding point respectively with the gap
Connection.
In said program, during molding, sealing function is played after sealed groove and seal convexity occlusion.Bleeding point be used for by
Gap between punch-pin and lower cavity die vacuumizes.Grouting port is used for the slip casting in vacuum gap.
Further, the open air flue slot of lower cavity die is provided in mould body lower surface, which connects with bleeding point
It is logical.Air flue slot is connected with gap, preferably can quickly be exported the gas in gap.
Further, the open stock tank excessively of lower cavity die is provided in mould body lower surface, this is crossed stock tank and connects with grouting port
It is logical.Cross the everywhere for being diffused into gap that stock tank is conducive to slurry at the uniform velocity and is evenly distributed so that slip casting process is more smooth.
Further, the air flue slot, stock tank, grouting port, the flanging of bleeding point and corner excessively use elastic mesh cloth
Material is combined with silica gel material.Purpose using this measure is to by the position destressing of stress raisers, play
Booster action.
The remarkable result of the utility model is：
1. for the upper male mould of traditional glass Steel material, the silica gel upper male mould of the application is light and soft, can roll up
Song is placed, and is taken up space small, time saving and energy saving without lifting during open mold.
2. for traditional vacuum bag pouring and forming process, molding step is simple, without time-consuming laying vacuum bag
And disposable auxiliary material, and silica gel upper male mould repeats utilization, reduces the wasting of resources.
3. vacuum sealing state need to only be removed in demoulding, silica gel upper male mould is lifted from product by the upper male mould of silica gel
Opening can demould, and demoulding step is convenient and efficient, time saving and energy saving, and production efficiency is high.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the utility model lower cavity die structure chart.
Fig. 2 is the utility model upper male mould Facad structure figure.
Fig. 3 is the utility model upper male mould backside structure figure.
Fig. 4 is the enlarged drawing of A in Fig. 3.
Fig. 5 is the enlarged drawing of B in Fig. 3.
In figure：1- lower cavity dies, 2- upper male moulds, 11- seal convexities, 21- mould bodies, 22- sealed grooves, 23- grouting ports,
24- bleeding points, 25- air flue slots, 26- cross stock tank.
Specific embodiment
As shown in Fig. 1~5, a kind of mold for vacuum infusion molding is described convex including lower cavity die 1, upper male mould 2
Mould 2 includes the mould body 21 identical with 1 cavity structure of lower cavity die.
The mould body 21 is made of silica gel material.
Sealed groove 22 is equipped with around 21 lower surface outer rim of mould body, grouting port 23 and bleeding point are equipped on mould body 21
24.1 open air flue slot 25 of lower cavity die is provided in 21 lower surface of mould body, which connects with bleeding point 24.
21 lower surface of mould body is provided with the open stock tank 26 excessively of lower cavity die 1, this is crossed stock tank 26 and is connected with grouting port 23.The air flue
Slot 25 crosses stock tank 26, grouting port 23, the flanging of bleeding point 24 and corner using elastic mesh cloth and the compound system of silica gel material
Into.
Seal convexity 11 is equipped with around 1 top surface edge of lower cavity die, with 22 corresponding position of sealed groove.
After upper male mould 2 and lower cavity die 1 mold, therebetween there are gap, the grouting port 23 and bleeding point 24 respectively with
The gap connects.
During the mold clamping, sealing function is played after sealed groove 22 and the occlusion of seal convexity 11.Then by 2 He of upper male mould
The contact rim seal of lower cavity die 1 is vacuumized the gap between upper male mould 2 and lower cavity die 1 by bleeding point 24.Then pass through
The slip casting in vacuum gap of grouting port 23.After slurry curing molding, vacuum sealing state is released, silica gel upper male mould 2 from production
Being raised on product can demould, and demoulding step is convenient and efficient, time saving and energy saving, and production efficiency is high.
The upper male mould manufacturing method includes the following steps：
（a）A fibre glass product manufacture is produced using existing vacuum bag pouring and forming process in lower cavity die 1；It uses in advance
Mold Making goes out grouting port 23 and bleeding point 24.
（b）Fibre glass product manufacture is positioned in lower cavity die 1, and the first raised line is fixedly installed around fibre glass product manufacture outer rim,
And the second raised line and third raised line are laid on fibre glass product manufacture.It is pre- at the second raised line, the turning of third raised line and seamed edge
First it is equipped with elastic mesh cloth.
Then silica gel is sprayed by cavity of fibre glass product manufacture.
（c）Before silica gel is ejected into the thickness of design, the grouting port 23 made and bleeding point 24 are put into and sprayed
That penetrates has on certain thickness silica gel, and the placement location of bleeding point is located at the second raised line, and the placement location of grouting port is located at
At third raised line.Elastic mesh cloth is equipped at the turning and seamed edge of grouting port 23 and bleeding point 24.
Then for injection silica gel to designed thickness, grouting port 23 and bleeding point 24, which are fixed, during this is bonded in silica gel
On.
（d）After silica gel curing molding, silica gel material is raised from fibre glass product manufacture, you can obtain Silicon moulds.First
Raised line is correspondingly formed the sealed groove 22 on silica gel upper male mould, what the second raised line was correspondingly formed be directed towards lower cavity die 1 opens wide and with
The air flue slot 25 that bleeding point 24 connects, what third raised line was correspondingly formed is directed towards what lower cavity die 1 was opened wide and connected with grouting port 23
Cross stock tank 26.Air flue slot 25, cross stock tank 26, grouting port 23, the flanging of bleeding point 24 and corner formed elastic mesh cloth with
The compound structure of silica gel material.
The utility model has been carried out the close beta of door pillar cover, side wall product, and the product thickness being molded is more equal
It is even（Thickness deviation is no more than 0.5mm）, mechanical property it is good, material cost is greatly saved.2 mass of silica gel upper male mould produced
For 12.5KG/ parts, mitigate 83.33% compared with fiberglass upper male mould quality, 1 people can be operated, and rollable or stacking is placed, and saving is put
Between emptying.Compared with traditional handicraft, using 2 shaped article of silica gel upper male mould, labor hour can reduce by 0.5~1h/ parts.
Claims (4)
1. a kind of mold for vacuum infusion molding, including lower cavity die（1）, upper male mould（2）, the upper male mould（2）Including with
Lower cavity die（1）The identical mould body of cavity structure（21）, it is characterised in that：The mould body（21）It is made of silica gel material, ring
Around mould body（21）Lower surface outer rim is equipped with sealed groove（22）, in mould body（21）It is equipped with grouting port（23）And bleeding point
（24）；
Around lower cavity die（1）Top surface edge and sealed groove（22）Corresponding position is equipped with seal convexity（11）；
Upper male mould（2）And lower cavity die（1）After molding, there are gap, the grouting ports therebetween（23）And bleeding point（24）Point
It is not connected with the gap.
2. the mold according to claim 1 for vacuum infusion molding, it is characterised in that：In mould body（21）Lower surface
It is provided with lower cavity die（1）Open air flue slot（25）, the air flue slot（25）With bleeding point（24）Connection.
3. the mold according to claim 2 for vacuum infusion molding, it is characterised in that：In mould body（21）Lower surface
It is provided with lower cavity die（1）It is open to cross stock tank（26）, this crosses stock tank（26）With grouting port（23）Connection.
4. the mold according to claim 3 for vacuum infusion molding, it is characterised in that：The air flue slot（25）, mistake
Stock tank（26）, grouting port（23）, bleeding point（24）Flanging and corner using elastic mesh cloth and the compound system of silica gel material
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400539.1U CN207465924U (en) | 2017-10-27 | 2017-10-27 | A kind of mold for vacuum infusion molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400539.1U CN207465924U (en) | 2017-10-27 | 2017-10-27 | A kind of mold for vacuum infusion molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207465924U true CN207465924U (en) | 2018-06-08 |
Family
ID=62265183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721400539.1U Active CN207465924U (en) | 2017-10-27 | 2017-10-27 | A kind of mold for vacuum infusion molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207465924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719971A (en) * | 2017-10-27 | 2019-05-07 | 株洲电力机车广缘科技有限责任公司 | A kind of mold and its upper male mould manufacturing method for vacuum infusion molding |
-
2017
- 2017-10-27 CN CN201721400539.1U patent/CN207465924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719971A (en) * | 2017-10-27 | 2019-05-07 | 株洲电力机车广缘科技有限责任公司 | A kind of mold and its upper male mould manufacturing method for vacuum infusion molding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104589670B (en) | A kind of gas path design method of composite cavity structure air bag shaping | |
| CN103341987A (en) | Co-curing process for omega-stringer vertical and horizontal reinforcement composite integral wallboard | |
| CN109109341B (en) | Preparation method of wind power blade | |
| CN102416700A (en) | Production technology of vane used for vertical shaft wind driven generator | |
| CN101288969A (en) | Ceramic pressure casting and forming method and used mould | |
| CN103273604A (en) | Curing and forming method of hollow structural member made of composite material | |
| CN109719971A (en) | A kind of mold and its upper male mould manufacturing method for vacuum infusion molding | |
| CN104552561A (en) | Multi-hole mould for slip casting | |
| CN206106422U (en) | Novel vacuum bag shaping device | |
| CN109774199B (en) | Forming method of carbon fiber composite rudder-shaped structure | |
| CN207465924U (en) | A kind of mold for vacuum infusion molding | |
| CN110435187B (en) | LRTM mold and manufacturing method thereof | |
| CN112677378B (en) | Preparation method of prefabricated pasting angle of rear edge of fan blade | |
| CN110877463A (en) | Low-cost forming method of V-shaped composite material part | |
| CN108973170A (en) | A kind of integrated RTM molding equipment and method of composite material aerofoil | |
| CN2885552Y (en) | Composite material mould for making lorry motor covering | |
| CN103817916A (en) | Acrylic product's small skirt inclination all-in-one technology and equipment thereof | |
| CN112936909A (en) | Forming process of thickened V-shaped composite material part at bottom of trainer | |
| CN212611694U (en) | Extrusion die for paper-plastic integral bottle and integral die | |
| CN112497582A (en) | A novel silica gel mould for cabin cover production uses | |
| CN213533888U (en) | Composite material preforming frock | |
| CN204546719U (en) | For the porous mold of injection forming | |
| CN203752421U (en) | Die special for air guide screen of automobile | |
| CN109719866A (en) | The molding die and forming method of negative draft part | |
| CN110228214A (en) | A kind of quick molding method of continuous fiber reinforcement plastic auto parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |