CN223339797U - Water-soluble sand-silicon rubber mold for carbon fiber material molding - Google Patents
Water-soluble sand-silicon rubber mold for carbon fiber material moldingInfo
- Publication number
- CN223339797U CN223339797U CN202423123727.7U CN202423123727U CN223339797U CN 223339797 U CN223339797 U CN 223339797U CN 202423123727 U CN202423123727 U CN 202423123727U CN 223339797 U CN223339797 U CN 223339797U
- Authority
- CN
- China
- Prior art keywords
- mold
- silicon rubber
- water
- rubber core
- sand
- 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 relates to a water-soluble sand-silicon rubber mold for molding a carbon fiber material, which comprises an upper mold, a lower mold, a left mold, a right mold and a silicon rubber core mold, wherein the inner cavities of the upper mold and the lower mold are two corresponding semicircular-structure bores designed according to the shape of a part, the silicon rubber core mold designed according to the shape of the part is placed in the bores, the right mold is of a flat-plate plugging structure, the left mold is of a flat-plate structure embedded with a through hole, the silicon rubber core mold and the left mold form an integrated core mold, the silicon rubber core mold is filled with water through the through hole on the left mold to dissolve sand, and the solidified water-soluble sand, the silicon rubber core mold and the left mold form the water-soluble sand-silicon rubber core mold. The utility model solves the problem that the traditional metal core mould can not be demoulded for the special-shaped part, and has the advantages of low manufacturing cost and convenient operation.
Description
Technical Field
The utility model belongs to the technical field of nonmetallic material molding, and particularly relates to a water-soluble sand-silicon rubber mold for molding a carbon fiber material.
Background
At present, most of nonmetallic material forming dies are single-sided or combined metal dies, but because of the limitation of the metal die processing technology, the inner cavity is the inner and outer surface quality problem of the formed complex curved surface products, such as S-shaped products, tubular products, box bodies and other abnormal-shaped products with large curvature are shown in fig. 1, and a novel die is required to be developed to solve the problem.
Disclosure of utility model
Based on the defects, the utility model provides the water-soluble sand-silicon rubber mold for molding the carbon fiber material, which is used for solving the problems that the part of products with special shapes such as S type, tubular shape, box body and the like and large curvature is difficult to demold, the demolding is impossible, the inner cavity is poor in glue, layering and the like are exposed during processing, and further replaces the existing metal mold.
The technical scheme includes that the water-soluble sand-silicon rubber mold for molding carbon fiber materials comprises an upper mold, a lower mold, a left mold, a right mold and a silicon rubber core mold, wherein inner cavities of the upper mold and the lower mold are two corresponding semicircular-structure bores designed according to the shape of a part, the silicon rubber core mold designed according to the shape of the part is placed in the bores, the left mold is of a flat plate structure embedded with a through hole, the silicon rubber core mold and the left mold form an integrated core mold, the right mold is of a flat plate plugging structure, water-soluble sand is poured into the silicon rubber core mold through the through hole on the left mold, and the solidified water-soluble sand, the silicon rubber core mold and the left mold form the water-soluble sand-silicon rubber core mold.
The utility model also has the following technical characteristics:
1. the upper die, the lower die and the water-soluble sand-silicon rubber core die are fixed together in a die assembly mode, and are blocked and limited through the right die.
2. The water-soluble sand-silicon rubber core mold is an integrated convex worktable inner mold surface structure and is used for forming the inner cavity of the part.
3. The outer surface of the water-soluble sand-silicon rubber core mould is covered with carbon fiber prepreg cloth.
The utility model has the beneficial effects and advantages that the utility model solves the problem that the traditional metal core mould can not demould the special-shaped part, is suitable for demould of products with even more special-shaped complex curved surfaces such as S-shaped, tubular and box bodies, and the like, and the prepared part has no processing defects such as poor glue, layering and the like on the inner and outer surfaces, and has the advantages of low manufacturing cost and convenient operation.
Drawings
FIG. 1 is a shape diagram of an S-shaped part;
FIG. 2 is a perspective view of a mold assembly according to the present utility model;
FIG. 3 is an exploded view of the mold of the present utility model;
FIG. 4 is a top view of the mold of the present utility model;
Fig. 5 is a cross-sectional view of A-A in fig. 4.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, and it should be understood that the specific examples described herein are only for explaining the present utility model and are not intended to limit the present utility model. The utility model is described in detail below with reference to the attached drawings and detailed description of the utility model:
example 1
As shown in fig. 2-3, a water-soluble sand-silicone rubber mold for molding carbon fiber materials comprises an upper mold 1, a lower mold 2, a left mold 3, a right mold 4 and a silicone rubber core mold 5, wherein inner cavities of the upper mold 1 and the lower mold 2 are semicircular structure bores designed according to the shape of an S-shaped part, the left mold 3 is a flat plate structure embedded with a through hole, the right mold 4 is a flat plate plugging structure, wax sheets are paved on the inner cavity surfaces of the four modules, the thickness and expansion gap of the parts are reserved, unvulcanized silicone rubber is paved on the wax sheets, the silicone rubber needs to be vulcanized for 1 hour at 200 ℃, and is cured for 4 hours at 65 ℃. In the curing process, compressed air is filled through a through hole on the left die 3, so that the silicone rubber is bonded with a die body to prepare a silicone rubber core die 5, the silicone rubber core die 5 and the left die 3 form an integrated core die after being cured, water-soluble sand is filled into the core die through the through hole on the left die 3, the water-soluble sand, the silicone rubber core die 5 and the left die 3 after being cured form a water-soluble sand-silicone rubber core die, the water-soluble sand-silicone rubber core die is covered with a plurality of layers of carbon fiber prepreg, the upper die 1 and the lower die 2 are matched with the water-soluble sand-silicone rubber core die, the water-soluble sand-silicone rubber core die is positioned by a phi 10mm positioning pin and locked by a phi 16mm bolt, finally, the right die 4 is blocked and limited and screwed by a bolt, and the end part of the right die 4 is positioned and blocked by a workbench to ensure the molding of a part allowance area. When in use, the water-soluble sand-silicon rubber core mould is used as an internal cavity reference of the part, the silicon rubber core is pressed against the inner wall of the mould round pipe during heating and thermal expansion, and compressed air is filled in an auxiliary way through a through hole on the left mould 3 for pressurization. The upper die 1 and the lower die 2 ensure the appearance of the part, avoid the deviation of the appearance of the part caused by the thermal expansion of the silicon rubber, and finally use the positioning pin for positioning and the bolt for locking. The upper die 1, the lower die 2, the left die 3 and the right die 4 are made of steel. The straight-through hole on the left die 3 is connected with compressed air, and is used for curing and forming the silicon rubber, and is used for auxiliary pressurization during water-soluble sand-silicon rubber forming and water injection during water-soluble sand dissolution.
The embodiment can improve the molding quality of the inner surface and the outer surface of the product, and the water-soluble sand in the core mold can be dissolved in water due to the characteristics of good elasticity and easy processing of the water-soluble sand-silicon rubber, so that the technology can effectively reduce the manufacturing cost of the mold compared with a combined metal mold for producing the S-shaped complex curved surface product.
Example 2
The procedure for using the mold of example 1 was as follows:
firstly, wax sheets are paved in the inner cavities of the upper die 1 and the lower die 2 according to the thickness of the S-shaped part, and are positioned by positioning pins and locked by bolts, and the silicone rubber is solidified to form a silicone rubber core die 5 and a combined die body with the left die 3.
And secondly, disassembling the upper die 1, the lower die 2 and the right die 4, pouring water-soluble sand through the through holes on the left die 3, paving carbon fiber prepreg cloth on the water-soluble sand-silicon rubber combined core die after the water-soluble sand is solidified, pre-assembling all the modules to ensure that the modules are not clamped, and finally positioning all the modules by using positioning pins and tightening bolts, and compacting the parts.
And thirdly, placing the whole die body into a curing furnace, carrying out pressurizing curing according to the specification of the carbon fiber material, and finally forming the part.
And fourthly, releasing pressure below 60 ℃, discharging the part, cleaning glue overflow, pulling out a positioning pin by using a pin puller, unscrewing a bolt, injecting water through a through hole on the left die 3, dissolving water-soluble sand, and demoulding the part.
Claims (4)
1. The water-soluble sand-silicon rubber mold for molding the carbon fiber material comprises an upper mold (1), a lower mold (2), a left mold (3), a right mold (4) and a silicon rubber core mold (5), and is characterized in that inner cavities of the upper mold (1) and the lower mold (2) are mold bores of two corresponding semicircular structures designed according to the shape of a part, the silicon rubber core mold (5) designed according to the shape of the part is placed in the mold bores, the right mold (4) is of a flat plate plugging structure, the left mold (3) is of a flat plate structure embedded with a through hole, the silicon rubber core mold (5) and the left mold (3) form an integrated core mold, water-soluble sand is poured into the silicon rubber core mold (5) through the through hole on the left mold (3), and the solidified water-soluble sand, the silicon rubber core mold and the left mold (3) form the water-soluble sand-silicon rubber core mold.
2. The water-soluble sand-silicon rubber mold for molding carbon fiber materials according to claim 1, wherein the upper mold (1), the lower mold (2) and the water-soluble sand-silicon rubber core mold are fixed together in a mold closing manner, and the mold is blocked and limited through a right mold (4).
3. The water-soluble sand-silicon rubber mold for forming carbon fiber materials as claimed in claim 1, wherein the water-soluble sand-silicon rubber core mold is an integrated convex worktable inner mold surface structure for forming an inner cavity of a part.
4. A water-soluble sand-silicon rubber mold for forming carbon fiber materials according to any one of claims 1-3, wherein the water-soluble sand-silicon rubber core mold is covered with carbon fiber prepreg cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423123727.7U CN223339797U (en) | 2024-12-18 | 2024-12-18 | Water-soluble sand-silicon rubber mold for carbon fiber material molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423123727.7U CN223339797U (en) | 2024-12-18 | 2024-12-18 | Water-soluble sand-silicon rubber mold for carbon fiber material molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223339797U true CN223339797U (en) | 2025-09-16 |
Family
ID=97015708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423123727.7U Active CN223339797U (en) | 2024-12-18 | 2024-12-18 | Water-soluble sand-silicon rubber mold for carbon fiber material molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223339797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121246098A (en) * | 2025-12-03 | 2026-01-02 | 天津全华时代航天科技发展有限公司 | Special-shaped air inlet channel wax mold, forming mold and forming process |
-
2024
- 2024-12-18 CN CN202423123727.7U patent/CN223339797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121246098A (en) * | 2025-12-03 | 2026-01-02 | 天津全华时代航天科技发展有限公司 | Special-shaped air inlet channel wax mold, forming mold and forming process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN223339797U (en) | Water-soluble sand-silicon rubber mold for carbon fiber material molding | |
| CN113733603B (en) | Forming method and mold of a composite material | |
| CN116001312A (en) | A method of manufacturing a slender carbon fiber composite material square tube structure | |
| CN112743872B (en) | RTM (resin transfer molding) mold and method for large-curvature special-shaped structure composite material part | |
| CN212266740U (en) | Low-cost mass production forming die for preparing large-thickness composite material | |
| CN113997605B (en) | Forming die and demolding method for variable-section closed-angle cap type pipeline composite material part | |
| CN112537046A (en) | Low-cost mass production process method for preparing large-thickness composite material and forming die thereof | |
| CN109822933B (en) | Magnetic field auxiliary pressurizing method for composite material structure forming | |
| CN217777845U (en) | VARI mould for forming inner grid reinforced shell structure workpiece | |
| CN219523120U (en) | Composite antenna housing and base prepreg forming tool | |
| CN216443110U (en) | Forming die for composite material parts of variable-cross-section closed-angle cap type pipeline | |
| CN118544612A (en) | A method for forming a multi-cavity carbon fiber bracket | |
| CN117698173A (en) | Device and process for forming multi-way three-dimensional joint of composite material | |
| CN107901448B (en) | Large-diameter composite skirt compression curing method | |
| CN210759338U (en) | Forming die for manufacturing pedal with angle and capable of being mounted | |
| CN216139446U (en) | Resin transfer molding flat plate sample preparation mold | |
| CN209718689U (en) | A glass fiber reinforced plastic elbow forming mold | |
| CN100420564C (en) | A kind of mold for water-based slurry gel injection molding | |
| CN109808136B (en) | Integrated internal drawing structure of headlight injection mold | |
| CN114248377A (en) | Preparation method of composite material RTM (resin transfer molding) mold | |
| CN113843927A (en) | A molding die for UAV composite parts | |
| CN223147813U (en) | Integrated forming die for composite annular joint | |
| CN217943966U (en) | Composite material forming die | |
| CN222697674U (en) | Non-uniform cross section slender part shaping frock | |
| CN219338381U (en) | Injection mold convenient to drawing of patterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |