CN219820421U - Self-heating composite material low-pressure forming die - Google Patents
Self-heating composite material low-pressure forming die Download PDFInfo
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- CN219820421U CN219820421U CN202320687982.0U CN202320687982U CN219820421U CN 219820421 U CN219820421 U CN 219820421U CN 202320687982 U CN202320687982 U CN 202320687982U CN 219820421 U CN219820421 U CN 219820421U
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- die
- upper die
- lower die
- self
- pressure forming
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000012356 Product development Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a self-heating composite material low-pressure forming die, and relates to the field of die processing. A self-heating composite low pressure forming die comprising: an upper die and a lower die; the upper die and the lower die are symmetrically provided with matched die cavities on one side adjacent to each other; the upper die and the lower die are provided with a material conveying hole communicated with the die cavity; the heat conduction pipes are pre-buried in the upper die and the lower die, and the end parts of the two heat conduction pipes, which extend out of the upper die and the lower die respectively, are fixedly connected with power connection ends; compared with the heating mode by using the oil temperature machine in the prior art, the utility model can improve the energy conversion efficiency of heating the die, reduce the energy consumption and waste during heating of the oil temperature machine, thereby saving the die processing cost and reducing the cost of product development.
Description
Technical Field
The utility model belongs to the technical field of mold processing, and particularly relates to a self-heating composite material low-pressure forming mold.
Background
In the prior composite material thin-wall product manufactured by composite materials, most of samples are manufactured by aluminum or steel mould as a mould for proofing, but the metal mould has high cost, long processing period and low use times, so after the samples are manufactured, the metal mould does not have use value, the development cost of the product is greatly increased, the mould is in a normal temperature state before use, when the thermally dissolved raw materials are injected into the mould, the defects of filaments, large dimensional tolerance and the like are easily caused on the surface of an injection moulding piece due to large temperature difference, the temperature of the mould rises only after a period of injection moulding, the production and manufacturing engineering is normal, and the produced metal mould is basically defective if the temperature of the mould is not increased, so that the mould is required to be heated, the metal mould is required to be heated by a heating plate, an oil temperature machine is used for heating, and a certain distance of heating oil pipe is required to be paved between the oil temperature machine and the mould, so that the heat dissipation area is large, the energy conversion efficiency is extremely low, and the energy consumption is increased.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a self-heating composite material low-pressure forming die which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: a self-heating composite low pressure forming die comprising: an upper die and a lower die; the upper die and the lower die are symmetrically provided with matched die cavities on one side adjacent to each other; the upper die and the lower die are provided with a material conveying hole communicated with the die cavity; the heat conduction pipes are embedded in the upper die and the lower die, and the two heat conduction pipes extend out of the ends of the upper die and the lower die respectively and are fixedly connected with power connection ends.
In order to facilitate improvement of heating uniformity of the upper die and the lower die, further, the upper die and the lower die are both curable heat-conducting silica gel.
In order to facilitate rapid temperature rise of the upper die and the lower die, the heat-conducting pipe is a heat-conducting carbon fiber pipe.
In order to facilitate uniform heating of the upper die and the lower die, the heat conducting pipe is bent in the upper die and the lower die in a serpentine shape.
In order to facilitate that the inner structure of the die cavity can be ensured under the action of air pressure, so that the upper die and the lower die are better sealed and attached, further, the air cavities are formed in the upper die and the lower die and are positioned on one sides of the heat conducting pipes away from the die cavity, and the air transmission holes communicated with the air cavities are formed in the upper die and the lower die.
In order to further improve the sealing effect on the die cavity, further, a circle of groove is formed in the outer side of the die cavity, where the upper die and the lower die are located, and a heat-resistant sealing rubber strip is installed in the groove.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects: compared with the heating mode by using an oil temperature machine in the prior art, the self-heating composite material low-pressure forming die can improve the energy conversion efficiency of die heating, reduce the energy consumption and waste during heating of the oil temperature machine, thereby saving the die processing cost and reducing the cost of product development.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
fig. 1 is a schematic structural diagram of an upper mold and a lower mold of a self-heating composite material low-pressure forming mold according to the present utility model;
fig. 2 is a schematic structural diagram of the self-heating composite material low-pressure forming mold according to the present utility model when the upper mold and the lower mold are opened;
FIG. 3 is a schematic diagram of the structure of the upper mold, the lower mold, the air cavity and the heat pipe in the low-pressure forming mold of the self-heating composite material;
fig. 4 is a schematic diagram of the upper die, the lower die, the air cavity and the heat conducting tube in the self-heating composite material low-pressure forming die.
In the figure: 1. an upper die; 2. a lower die; 3. a heat conduction pipe; 301. an electrical connection terminal; 4. a material conveying hole; 5. an air cavity; 501. a gas delivery hole; 6. a heat-resistant sealing rubber strip.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Example 1:
referring to fig. 1-4, a self-heating composite low pressure forming die, comprising: an upper die 1 and a lower die 2; the upper die 1 and the lower die 2 are symmetrically provided with matched die cavities on one side adjacent to each other; the upper die 1 and the lower die 2 are provided with a material conveying hole 4 communicated with the die cavity; the heat conduction pipes 3 are pre-buried in the upper die 1 and the lower die 2, and the ends, extending out of the upper die 1 and the lower die 2 respectively, of the two heat conduction pipes 3 are fixedly connected with the power connection ends 301;
the upper die 1 and the lower die 2 are both curable heat-conducting silica gel.
The upper die 1 and the lower die 2 are made of curable heat-conducting silica gel, when the upper die 1 and the lower die 2 are heated, the heat-conducting silica gel can be heated to a specified temperature quickly, meanwhile, the heat-conducting silica gel has the advantages of easy cleaning, long service life, difficult deformation and the like, so that the die processing cost can be effectively saved, when the die is manufactured, the heat-conducting tube 3 is pre-embedded into uncured heat-conducting silica gel in advance, then a required finished die can be formed after the heat-conducting silica gel is cured, when the die is required to be heated in the use process, the electric connection end 301 at the end part of the heat-conducting tube 3 is electrically connected with an external power supply, then the heat-conducting tube 3 can heat the upper die 1 and the lower die 2, the whole die can be heated to a proper temperature quickly, the temperature condition required for product development is achieved, the energy conversion efficiency of the die heating can be improved, the energy consumption and the waste of the die heating can be reduced when the oil temperature machine is heated compared with the heating mode by using an oil temperature machine in the prior art, and the development cost of the die is reduced.
Example 2:
referring to fig. 1 to 4, the self-heating composite low pressure molding die is substantially the same as that of example 1, and further: the heat conducting pipe 3 is a heat conducting carbon fiber pipe, and the heat conducting pipe 3 is made of carbon fiber materials, so that the upper die 1 and the lower die 2 can be quickly heated due to the good heat conducting performance of carbon fiber, and the manufacturing speed of a research sample is further improved;
the heat conducting pipe 3 is bent in the upper die 1 and the lower die 2 in a serpentine shape, and the heat conducting pipe 3 is bent in the upper die 1 and the lower die 2 in a serpentine shape, so that when the power is applied to the heat conducting pipe 3 through the power receiving end 301, the upper die 1 and the lower die 2 can be uniformly heated, the upper die 1 and the lower die 2 can be quickly heated to a specified temperature, and the production quality of a research sample is improved;
the air cavities 5 are formed in the upper die 1 and the lower die 2 at the side, far away from the die cavity, of the heat conducting pipe 3, air transmission holes 501 communicated with the air cavities 5 are formed in the upper die 1 and the lower die 2, when a research and development sample is manufactured, the upper die 1 and the lower die 2 are closed and fixed, then air can be transmitted into the air cavities 5 through the air transmission holes 501, so that certain air is arranged in the upper die 1 and the lower die 2, the inner structure of the die cavity can be ensured under the action of air pressure when the upper die 1 and the lower die 2 are heated, the upper die 1 and the lower die 2 are better sealed and attached, and the quality of the research and development sample during injection molding is effectively ensured;
the upper die 1 and the lower die 2 are positioned at the outer side of the die cavity, a circle of groove is formed in the groove, a circle of heat-resistant sealing rubber strip 6 is arranged at the outer side of the die cavity through the upper die 1 and the lower die 2, after the temperature of the upper die 1 and the temperature of the lower die 2 are raised, the heat-resistant sealing rubber strip 6 is heated to generate micro-expansion, and meanwhile, the two heat-resistant sealing rubber strips 6 are closely adhered under the extrusion of the upper die 1 and the upper die 2, so that the sealing effect on the die cavity can be further improved, more raw material liquid is prevented from seeping out from gaps between the upper die 1 and the lower die 1 during injection molding, more leftover materials are generated, waste is caused, and the production cost is effectively saved.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, although the present utility model has been described in the preferred embodiments, and is not limited thereto.
Claims (6)
1. The utility model provides a self-heating combined material low pressure forming die which characterized in that includes:
an upper die (1) and a lower die (2);
the upper die (1) and the lower die (2) are symmetrically provided with a matched die cavity on one side adjacent to each other;
the upper die (1) and the lower die (2) are provided with a material conveying hole (4) communicated with the die cavity;
the heat conduction pipes (3) are embedded in the upper die (1) and the lower die (2), and the two heat conduction pipes (3) extend out of the ends of the upper die (1) and the lower die (2) respectively and are fixedly connected with power connection ends (301).
2. The self-heating composite low pressure forming die of claim 1, wherein: the upper die (1) and the lower die (2) are both curable heat-conducting silica gel.
3. The self-heating composite low pressure forming die of claim 2, wherein: the heat conducting pipe (3) is a heat conducting carbon fiber pipe.
4. A self-heating composite low pressure forming die as claimed in claim 3, wherein: the heat conduction pipe (3) is bent in a serpentine shape in the upper die (1) and the lower die (2).
5. The self-heating composite low pressure forming die of claim 1, wherein: the upper die (1) and the lower die (2) are internally provided with air cavities (5) at one sides of the heat pipes (3) far away from the die cavities, and the upper die (1) and the lower die (2) are provided with air transmission holes (501) communicated with the air cavities (5).
6. The self-heating composite low pressure forming die of claim 1, wherein: a circle of groove is formed in the outer side of the die cavity of the upper die (1) and the lower die (2), and a heat-resistant sealing rubber strip (6) is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687982.0U CN219820421U (en) | 2023-03-31 | 2023-03-31 | Self-heating composite material low-pressure forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687982.0U CN219820421U (en) | 2023-03-31 | 2023-03-31 | Self-heating composite material low-pressure forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219820421U true CN219820421U (en) | 2023-10-13 |
Family
ID=88248222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320687982.0U Active CN219820421U (en) | 2023-03-31 | 2023-03-31 | Self-heating composite material low-pressure forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219820421U (en) |
-
2023
- 2023-03-31 CN CN202320687982.0U patent/CN219820421U/en active Active
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