CN220921751U - Composite material hot-pressing die - Google Patents
Composite material hot-pressing die Download PDFInfo
- Publication number
- CN220921751U CN220921751U CN202322696183.2U CN202322696183U CN220921751U CN 220921751 U CN220921751 U CN 220921751U CN 202322696183 U CN202322696183 U CN 202322696183U CN 220921751 U CN220921751 U CN 220921751U
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- vacuum
- composite material
- pressing die
- hot
- membrane
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- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000007731 hot pressing Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 11
- 238000013329 compounding Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007779 soft material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000919 ceramic Substances 0.000 abstract description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a composite material hot-pressing die, which relates to the technical field of ceramic composite material manufacturing and comprises a die base (1), a sealing plate (2), a vacuum component (3) and a vacuum membrane (4). The utility model designs the hot-pressing die by combining the flow of manually operating the hot-pressing composite material, seals the vacuum film by using the sealing rubber strip, avoids air leakage, ensures the sealing effect and the product quality of the later composite material, has simple operation, saves labor, can be used for multi-layer superposition, can produce a plurality of composite material products at one time, greatly improves the production efficiency, and is suitable for large-scale popularization and application.
Description
Technical Field
The utility model relates to the technical field of ceramic composite material manufacturing, in particular to a composite material hot-pressing die.
Background
Composite materials generally have a good combination of properties in which the different materials complement each other. The composite material has the characteristics of two or more materials, and can improve the performance of a single material, such as strength, toughness, dielectric property and the like. The composite material composed of ceramic and high polymer material is a common composite material, for example, the bulletproof plugboard is composed of ceramic and an ultra-high polymer polyethylene plate (PE plate), and has the high hardness of the ceramic material and the high toughness of the ultra-high polymer polyethylene plate, and is an excellent bulletproof composite material.
When the bulletproof plugboard is compounded, ceramic and PE plates to be compounded are usually arranged between two layers of vacuum films after being installed, the two layers of vacuum films are sealed by manually sticking vacuum daub, the vacuum films on the upper layer are inserted into a vacuum assembly after a hole is punched, and vacuum is pumped between the vacuum films. After sealing, the sealed sample is placed in a vacuum furnace, the furnace door is closed, compressed air is used for pressurizing and heating the furnace, and the sample is compounded under the environment of high temperature and high pressure.
When the method is used for compounding, the operation of personnel is complex, and gaps are easily formed between the vacuum daub and the vacuum membrane when the vacuum daub is sealed, so that air leakage is caused, the final compounding effect is affected, and the production efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the hot-pressing die for the composite material, which is characterized in that the composite material is placed in the die, the vacuum sealing effect is good, the composite material can be used in a multi-layer superposition way, the operation is simple, and the production efficiency is high.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a combined material hot pressing die, includes mould base, closing plate, vacuum subassembly and vacuum membrane, set up the through-hole on the mould base bottom surface, the vacuum membrane sets up to upper and lower two-layer, and the vacuum membrane of lower floor is laid in the upper surface of mould base, needs the composite material to place between two-layer vacuum membrane to compress tightly two-layer vacuum membrane on the mould base through joint strip, the closing plate sets up in the vacuum membrane upper portion on upper strata and with mould base fixed connection, set up a plurality of through-holes on the closing plate, the vacuum subassembly sets up in one side of mould base, between two-layer vacuum membrane for connect the vacuum pump, make the vacuum airtight environment of formation between the two-layer vacuum membrane.
The lower surface of mould base sets up the recess with joint strip looks adaptation, compresses tightly two-layer vacuum film back, joint strip is located the recess.
The joint strip sets up to many, corresponds and sets up a plurality of recesses.
The vacuum assembly comprises a vacuum tube, a nut and a sealing ring, wherein the vacuum tube penetrates through one side of the die base, an opening at one end of the vacuum tube is arranged between two layers of vacuum films, the two sealing rings are respectively and tightly arranged on the upper side and the lower side of the lower layer of the vacuum film through threads on the nut and the vacuum tube, and the other end of the vacuum tube is connected with a vacuum pump.
The mold comprises a mold base, and is characterized in that a plurality of screw holes are formed in the peripheral edge of the mold base, and the sealing plate is fixedly arranged on the mold base through the matched connection of a plurality of bolts and the screw holes.
The hot pressing die is arranged in a mode that after the multi-layer die bases are overlapped, the hot pressing die is fixedly connected with the sealing plate through bolts.
And a breathable soft material is laid between the vacuum film and the material to be compounded.
The utility model designs the hot-pressing die by combining the flow of manually operating the hot-pressing composite material, seals the vacuum film by using the sealing rubber strip, avoids air leakage, ensures the sealing effect and the product quality of the later composite material, has simple operation, saves labor, can be used for multi-layer superposition, can produce a plurality of composite material products at one time, greatly improves the production efficiency, and is suitable for large-scale popularization and application.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of the present utility model;
FIG. 3 is a schematic view of a mold base according to the present utility model;
FIG. 4 is a schematic view of a vacuum assembly according to the present utility model;
FIG. 5 is a schematic view of the lower surface of the mold base of the present utility model.
Detailed Description
The utility model is described in detail below with reference to the attached drawings and the specific embodiments:
As shown in fig. 1-5, the composite material hot-pressing mold comprises a mold base 1, a sealing plate 2, a vacuum component 3 and a vacuum film 4, wherein a through hole 101 is formed in the bottom surface of the mold base 1, the vacuum film 4 is arranged into an upper layer and a lower layer, the vacuum film 4 on the lower layer is paved on the upper surface of the mold base 1, a material to be compounded is arranged between the two layers of vacuum films 4, the two layers of vacuum films 4 are tightly pressed on the mold base 1 through a sealing adhesive tape 102, the sealing plate 2 is arranged on the upper part of the upper layer of vacuum film 4 and is fixedly connected with the mold base 1, and the vacuum component 3 is arranged between one side of the mold base 1 and the two layers of vacuum films 4 and is used for connecting a vacuum pump, so that a vacuum airtight environment is formed between the two layers of vacuum films 4.
In the preferred manner, in this embodiment, the lower surface of the mold base 1 is provided with a groove 105 adapted to the sealing rubber strip 102, and after the two layers of vacuum films 4 are compressed, the sealing rubber strip 102 is located in the groove 105, so that sliding of the sealing rubber strip 102 is avoided, and the sealing effect is ensured.
In a preferred manner, in this embodiment, the sealing strips 102 are provided in a plurality of strips, and a plurality of grooves 105 are correspondingly provided, so that the two vacuum films 4 are pressed between the sealing strips 102 and the grooves 105 for multiple times, and the tightness is improved.
In a preferred embodiment, the vacuum assembly includes a vacuum tube 301, a nut 302 and a sealing ring 303, wherein the vacuum tube 301 penetrates through one side of the mold base 1, an opening at one end of the vacuum tube is disposed between two layers of vacuum films 4, the sealing ring 303 is disposed in two, and is fastened to the upper and lower sides of the lower layer of vacuum film 4 by threads on the nut 302 and the vacuum tube 301, respectively, so as to prevent air leakage, and the other end of the vacuum tube 301 is connected with a vacuum pump.
In a preferred manner, in this embodiment, a plurality of screw holes 103 are provided on the peripheral edge of the mold base 1, and the sealing plate 2 is fixed on the mold base 1 through the cooperation connection of a plurality of bolts 104 and the screw holes 103. This fixing is only one of many embodiments, and the structure is relatively simple, the operation is convenient, and the sealing plate 2 can be fixed on the die base 1 by other mechanical mechanisms.
In the preferred mode, in this embodiment, the hot pressing mold is arranged to be fastened to the sealing plate 2 after the multi-layer mold base 1 is stacked, so that the production of a plurality of composite material products can be realized at one time, the production efficiency is improved, and the production quality is ensured.
In the preferred embodiment, a soft air-permeable material, such as a non-woven fabric, is laid between the vacuum membrane 4 and the material to be compounded, so as to avoid the influence of deformation of the vacuum membrane 4 on the vacuumizing effect during vacuumizing, and make the air circulation between the vacuum membranes 4 smoother.
In the concrete operation of the utility model, a layer of vacuum film 4 is paved on a die base 1, a small hole is pricked by a sharp machine at the position of the vacuum film 4 close to a vacuum tube 301, the vacuum tube 301 passes through the small hole, two sealing rings 303 are respectively arranged on two sides of the vacuum film 4, threads are arranged on the vacuum tube 301, the two sealing rings 303 are respectively fastened on two sides of the vacuum film 4 through two nuts 302, and the other end of the vacuum tube 301 is connected with a vacuum pump. After the installation is completed, a product to be compounded is placed on the vacuum film 4, a layer of non-woven fabric is laid on the product, then a layer of vacuum film 4 is laid, and the edges of the two layers of vacuum films 4 leak out of the sealing rubber strip 102. After the laying is completed, the sealing plate 2 or the other die base 1 is pressed on the vacuum film 4, the sealing rubber strips 102 are clamped in the grooves 105, the bolts 104 are fastened in the screw holes 103, and the vacuum film 4 is pressed. The vacuum pump is started to vacuumize, after the vacuumizing is completed, the vacuum pump is closed, the pressure is maintained for a few minutes, whether the vacuum film 4 leaks or not is observed, and if so, the bolts 104 are fastened again. After the sealing detection is completed, the die is moved into a vacuum sintering furnace, the furnace door is closed, compressed air is used for pressing the inside of the furnace, and a heating device in the furnace is started. After the set heating and pressurizing processes are completed, the sample compounding is completed.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a combined material hot pressing die, its characterized in that includes mould base (1), closing plate (2), vacuum module (3) and vacuum membrane (4), set up through-hole (101) on mould base (1) bottom surface, vacuum membrane (4) set up to upper and lower two-layer, vacuum membrane (4) of lower floor are laid in the upper surface of mould base (1), need the material of compounding place between two-layer vacuum membrane (4) to compress tightly two-layer vacuum membrane (4) on mould base (1) through joint strip (102), closing plate (2) set up in upper vacuum membrane (4) upper portion of upper strata and with mould base (1) fixed connection, set up a plurality of through-holes (101) on closing plate (2), vacuum module (3) set up between one side of mould base (1), two-layer vacuum membrane (4) for connect the vacuum pump, make the vacuum airtight environment of formation between two-layer vacuum membrane (4).
2. The composite material hot-pressing die according to claim 1, wherein a groove (105) matched with the sealing rubber strip (102) is formed in the lower surface of the die base (1), and the sealing rubber strip (102) is positioned in the groove (105) after the two layers of vacuum films (4) are pressed.
3. A composite material hot-pressing die according to claim 2, wherein the sealing strips (102) are provided in a plurality, and a plurality of grooves (105) are provided correspondingly.
4. The composite material hot-pressing die according to claim 1, wherein the vacuum assembly comprises a vacuum tube (301), a nut (302) and a sealing ring (303), the vacuum tube (301) penetrates through one side of the die base (1), an opening at one end of the vacuum tube is arranged between two layers of vacuum films (4), the sealing ring (303) is arranged in two layers and is respectively fastened and installed on two sides of the lower layer of vacuum film (4) through the nut (302) and threads on the vacuum tube (301), and the other end of the vacuum tube (301) is connected with a vacuum pump.
5. A composite material hot-pressing die according to claim 1, characterized in that the die base (1)
A plurality of screw holes (103) are arranged on the peripheral edge of the die, and the sealing plate (2) is fixedly arranged on the die base (1) through the matching connection of a plurality of bolts (104) and the screw holes (103).
6. The composite material hot-pressing die according to claim 1, wherein the hot-pressing die is arranged such that a plurality of layers of die bases (1) are fastened and connected with a sealing plate (2) through bolts (104) after being overlapped.
7. A composite material hot-pressing die according to claim 1, characterized in that a gas-permeable soft material is applied between the vacuum film (4) and the material to be compounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322696183.2U CN220921751U (en) | 2023-10-09 | 2023-10-09 | Composite material hot-pressing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322696183.2U CN220921751U (en) | 2023-10-09 | 2023-10-09 | Composite material hot-pressing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220921751U true CN220921751U (en) | 2024-05-10 |
Family
ID=90932551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322696183.2U Active CN220921751U (en) | 2023-10-09 | 2023-10-09 | Composite material hot-pressing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220921751U (en) |
-
2023
- 2023-10-09 CN CN202322696183.2U patent/CN220921751U/en active Active
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