CN215095765U - Composite material pipe fitting forming die - Google Patents
Composite material pipe fitting forming die Download PDFInfo
- Publication number
- CN215095765U CN215095765U CN202120617942.XU CN202120617942U CN215095765U CN 215095765 U CN215095765 U CN 215095765U CN 202120617942 U CN202120617942 U CN 202120617942U CN 215095765 U CN215095765 U CN 215095765U
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- China
- Prior art keywords
- forming
- die
- pipe fitting
- silica gel
- composite material
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- 239000002131 composite material Substances 0.000 title claims abstract description 78
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 238000007493 shaping process Methods 0.000 abstract description 8
- 210000005239 tubule Anatomy 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 238000000465 moulding Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a combined material pipe fitting forming die belongs to combined material technical field. The utility model discloses a composite pipe fitting forming die, which comprises a silica gel core die internal expansion forming tool and a composite pipe fitting forming external die, wherein the silica gel core die internal expansion forming tool is used for forming a silica gel core die; the composite pipe fitting forming outer die is provided with a first forming through hole in an axial penetrating mode, the silica gel core die is arranged in the first forming through hole, and a gap is reserved between the silica gel core die and the first forming through hole. The utility model provides a carbon-fibre composite tubule class part surface roughness's problem that current mould shaping came out. The utility model discloses a combined material pipe fitting forming die has the smooth characteristics of combined material tubule class part surface that the shaping came out.
Description
Technical Field
The utility model belongs to the technical field of combined material, concretely relates to combined material pipe fitting forming die.
Background
The conventional composite material tubule type products are generally formed by the following steps: preparing a steel core mould and a carbon fiber composite material, then paving a plurality of groups of composite material layers on the outer surface of the steel core mould according to requirements, then carrying out hot-press curing molding, and extracting the steel core mould after molding to finish the preparation of the carbon fiber composite material thin pipe fitting. However, this method has some problems that the outer surface of the thin pipe of composite material formed by curing is very rough, which seriously affects the appearance quality of the product.
Therefore, there is a need for a forming mold that can solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the surface of the composite material tubule part is rough that the existing mould shaping that provides comes out among the background art, the utility model provides a composite material pipe fitting forming die, it has the smooth characteristics of the composite material tubule part surface that the shaping comes out.
In order to realize the purpose, the utility model discloses a technical scheme be:
the composite pipe forming die comprises a silica gel core die internal expansion forming tool and a composite pipe forming external die, wherein the silica gel core die internal expansion forming tool is used for forming a silica gel core die; the composite pipe fitting forming outer die is provided with a first forming through hole in an axial penetrating mode, the silica gel core die is arranged in the first forming through hole, and a gap is reserved between the silica gel core die and the first forming through hole.
Preferably, the silica gel mandrel internal expansion forming tool comprises a first tool and a second tool, a first through groove is formed in the axial direction of the first tool, a second through groove is formed in the axial direction of the second tool, and the first through groove and the second through groove are buckled to form a second forming through hole.
Preferably, the cross-sectional shape of the second forming through-hole is circular or elliptical.
Preferably, one end of the second forming through hole is provided with a pouring opening.
Preferably, the pouring opening is funnel-shaped.
Preferably, the cross-sectional shape of the pouring opening is non-circular.
Preferably, the cross-sectional shape of the pouring opening is elliptical.
Preferably, the oval long edge of the pouring opening is arranged along the long edge direction of the pouring end faces of the first tool and the second tool.
Preferably, the composite material pipe fitting forming external mold comprises a first composite material pipe fitting forming external mold and a second composite material pipe fitting forming external mold, a third through groove is formed in the first composite material pipe fitting forming external mold in the axial direction, a fourth through groove is formed in the second composite material pipe fitting forming external mold in the axial direction, and the third through groove and the fourth through groove are buckled to form the first forming through hole.
Preferably, the cross-sectional shape of the first forming through hole is circular or elliptical.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses an add combined material pipe fitting shaping external mold to adjust original steel mandrel for the silica gel mandrel, realize improving the purpose of the combined material pipe fitting surface finish that the shaping came out. Specifically, in the hot press molding process, the silica gel core mold is heated to expand, and the composite material layer paved on the outer surface of the silica gel core mold is simultaneously compacted by the composite material pipe fitting molding outer mold and the silica gel core mold, so that the outer wall of the molded pipeline is smoother, and the appearance quality of the product is greatly improved.
2. The utility model realizes the purposes of convenient pouring of high-temperature liquid silica gel raw material and improvement of pouring speed by arranging the pouring opening at one end of the second forming through hole; the cross section shape through inciting somebody to action the mouth that will pour into sets up to oval, and the oval long edge of the mouth that pours into sets up along the long edge direction of the pouring terminal surface of first frock and second frock, realize under the limited condition of the area of the pouring terminal surface of first frock and second frock, mouth is filled to the increase as reasonable as far as possible, further accelerate pouring speed, avoided in the pouring in-process, because pouring speed leads to the liquid silica gel raw materials of pouring earlier to consolidate in advance on second shaping through-hole inner wall at an excessive rate, thereby influence the pouring effect of follow-up liquid silica gel raw materials, finally influence the shaping quality of silica gel mandrel.
Drawings
FIG. 1 is a front view of a first tooling;
FIG. 2 is a right side view of the first tooling;
FIG. 3 is a view A-A of FIG. 1;
FIG. 4 is an enlarged view at I of FIG. 3;
FIG. 5 is a perspective view of a first tooling;
FIG. 6 is a front view of a second tooling;
FIG. 7 is a right side view of the second tooling;
FIG. 8 is a view B-B of FIG. 6;
FIG. 9 is a perspective view of a second tooling;
FIG. 10 is a perspective view of the inner expansion forming tool of the silica gel core mold;
FIG. 11 is a right side view of the inner expansion forming tool of the silica gel core mold;
FIG. 12 is a left side view of the inner expansion forming tool of the silica gel core mold;
FIG. 13 is an enlarged view at J of FIG. 12;
FIG. 14 is a front view of a first composite pipe form outer mold;
FIG. 15 is a perspective view of a first composite pipe forming outer die;
FIG. 16 is a front view of a second composite pipe forming outer mold;
FIG. 17 is a perspective view of a second composite pipe forming outer mold;
fig. 18 is a perspective view of the present invention;
FIG. 19 is a view C-C of FIG. 18;
fig. 20 is an enlarged view at K in fig. 19.
Wherein, 1-silica gel core mould internal expansion forming tool; 2-forming an outer die for the composite material pipe fitting; 3-a silica gel core mold; 4-a first forming via; 11-a first tool; 12-a second tool; 13-second shaped via; 14-an infusion port; 15-an overflow trough; 16-a seal groove; 21-a first composite pipe molding outer mold; 22-forming external mould for the second composite material pipe fitting.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
as shown in fig. 1-20, the utility model relates to a composite pipe forming mold, which comprises a silica gel core mold internal expansion forming tool 1 and a composite pipe forming external mold 2, wherein the silica gel core mold internal expansion forming tool 1 is used for forming a silica gel core mold 3; the composite material pipe fitting forming external mold 2 is provided with a first forming through hole 4 in an axial direction in a penetrating mode, the silica gel core mold 3 is arranged in the first forming through hole 4, and a gap is reserved between the silica gel core mold 3 and the first forming through hole 4.
The composite material pipe fitting forming external mold 2 is a steel mold with a smooth inner surface, the composite material pipe fitting forming external mold 2 comprises a first composite material pipe fitting forming external mold 21 and a second composite material pipe fitting forming external mold 22, a third through groove is formed in the axial direction of the first composite material pipe fitting forming external mold 21, a fourth through groove is formed in the axial direction of the second composite material pipe fitting forming external mold 22, the third through groove and the fourth through groove are buckled to form a first forming through hole 4, and the cross section of the first forming through hole 4 is oval. Specifically, the first composite material pipe forming external mold 21 and the second composite material pipe forming external mold 22 are both rectangular parallelepiped shapes with the same external dimensions, wherein the length of the two is 500mm, the width of the two is 100mm, and the thickness of the two is 20 mm; the shape and size of the third through groove are consistent with those of the fourth through groove, the cross section of the first forming through hole 4 formed after buckling is oval, the long edge of the oval is 14mm, and the short edge of the oval is 10 mm. In addition, in order to fix the first composite material pipe forming outer mold 21 and the second composite material pipe forming outer mold 22, eight bolt fixing holes and four positioning holes are uniformly formed in the first composite material pipe forming outer mold 21 and the second composite material pipe forming outer mold 22.
The silica gel core mold internal expansion molding tool 1 is also a steel mold with a smooth inner surface and is used for casting and molding the silica gel core mold 3. The silica gel core mold internal expansion forming tool 1 comprises a first tool 11 and a second tool 12, a first through groove is formed in the axial direction of the first tool 11, a second through groove is formed in the axial direction of the second tool 12, the first through groove and the second through groove are buckled to form a second forming through hole 13, and the second forming through hole 13 needs to be matched with the first forming through hole 4, so that the cross section of the second forming through hole 13 is also oval. Similar to the first composite material pipe forming external mold 21 and the second composite material pipe forming external mold 22, here, the first tool 11 and the second tool 12 are also in the shape of rectangular solids with the same external dimensions, wherein the length of the first tool 11 and the length of the second tool 12 are both 600mm, the width of the first tool 11 is both 100mm, and the thickness of the first tool 12 is both 20 mm; the shape and size of the first through groove and the second through groove are consistent, the cross section of the second forming through hole 13 formed after buckling is oval, the long side of the oval is 11.5mm, the short side of the oval is 7.5mm, and the total length of the second forming through hole 13 is 500 mm. Eight bolt fixing holes and four positioning holes are uniformly formed in the first tool 11 and the second tool 12, so that the first tool 11 and the second tool 12 can be locked and fixed.
In addition, one end of the second forming through hole 13 is further provided with a funnel-shaped pouring opening 14, the cross section of the pouring opening 14 is oval, and the oval long edge of the pouring opening 14 is arranged along the long edge direction of the pouring end faces of the first fixture 11 and the second fixture 12. The main purpose is to provide pouring openings 14 with a large size as far as possible on the pouring end faces of the first tool 11 and the second tool 12 within a reasonable range, so as to facilitate the pouring of the subsequent high-temperature liquid silica gel raw material. Here, the opening of pouring port 14 has a long side dimension of 75mm, a short side dimension of 30mm, and a length dimension of pouring port 14 in the axial direction of 100 mm.
Besides, an overflow groove 15 and a sealing groove 16 are further formed in the surface of the first through groove of the first tool 11, the radial size of the overflow groove 15 is slightly smaller than that of the sealing groove 16, the overflow groove 15 is used for storing the liquid silica gel raw material overflowing from the second forming through hole 13, the sealing groove 16 is used for installing a sealing gasket, and the sealing gasket is made of rubber. Wherein, seal groove 16 is axially symmetrically arranged on both sides of the first through groove, and overflow groove 15 is axially arranged, and overflow groove 15 is located between seal groove 16 and the first through groove.
It should be noted that, in the embodiment, only the case that the cross-sectional shape of the composite material pipe is an ellipse is described, and besides, the cross-sectional shape of the composite material pipe may be processed into a circle according to actual production needs, and at this time, the cross-sectional shapes of the first forming through hole 4 and the second forming through hole 13 should be processed into a circle accordingly.
The use process of the composite material pipe fitting forming die is as follows:
as shown in fig. 1-20, when in use, the silica gel core mold 3 is poured first, and then the composite pipe fitting is formed. Specifically, the pouring process of the silica gel core mold 3 is as follows: firstly, a rubber sealing gasket is arranged in the sealing groove 16, then the first tool 11 and the second tool 12 are aligned in the height direction and then buckled to form a second forming through hole 13 and a pouring opening 14, and the first tool 11 and the second tool 12 are locked and fixed by bolts. Then, the first tool 11 and the second tool 12 which are fastened are moved to a prepared steel plate, the opening of the pouring opening 14 is upward, the high-temperature liquid silica gel raw material for forming the silica gel core mold 3 is poured slowly from the pouring opening 14, when the inside of the second forming through hole 13 is about to be filled with the high-temperature liquid silica gel raw material, the pouring of the high-temperature liquid silica gel raw material is stopped, the high-temperature liquid silica gel raw material in the second forming through hole 13 is waited to be completely cooled and solidified, finally, the bolt is loosened, the first tool 11 and the second tool 12 are disassembled, the poured silica gel core mold 3 is solidified and formed, and then the sealing gasket arranged in the sealing groove 16 is disassembled, and the first tool 11 and the second tool 12 are cleaned. The forming process of the composite material pipe fitting comprises the following steps: the first composite material pipe molding outer mold 21 and the second composite material pipe molding outer mold 22 are taken out, and are fastened after being aligned in the height direction, so that the first molding through hole 4 is formed. Then paving a plurality of groups of composite material layers on the outer surface of the prepared silica gel core mold 3 according to requirements, then installing the silica gel core mold 3 paved with the composite material layers into the first forming through hole 4, locking and fixing the first composite material pipe fitting forming outer mold 21 and the second composite material pipe fitting forming outer mold 22 by using bolts, and then carrying out hot-pressing curing forming to obtain the composite material thin pipe fitting with the required smooth outer surface, wherein the use process of the composite material pipe fitting forming mold is finished.
Claims (10)
1. The composite material pipe fitting forming die is characterized by comprising a silica gel core die inner expansion forming tool (1) and a composite material pipe fitting forming outer die (2), wherein the silica gel core die inner expansion forming tool (1) is used for forming a silica gel core die (3); the composite pipe fitting forming outer die (2) is provided with a first forming through hole (4) in an axial penetrating mode, the silica gel core die (3) is arranged in the first forming through hole (4), and a gap is reserved between the silica gel core die (3) and the first forming through hole (4).
2. The composite pipe fitting forming die of claim 1, wherein the silica gel core mold internal expansion forming tool (1) comprises a first tool (11) and a second tool (12), a first through groove is formed in the axial direction of the first tool (11), a second through groove is formed in the axial direction of the second tool (12), and the first through groove and the second through groove are buckled to form a second forming through hole (13).
3. The composite pipe fitting forming die according to claim 2, wherein the cross-sectional shape of the second forming through hole (13) is circular or elliptical.
4. The composite pipe fitting forming die according to claim 3, wherein one end of the second forming through hole (13) is provided with an injection port (14).
5. The composite pipe forming die according to claim 4, wherein the pouring opening (14) is funnel-shaped.
6. The composite pipe fitting forming die of claim 5, wherein the cross-sectional shape of the pouring spout (14) is non-circular.
7. The composite pipe forming die of claim 6, wherein the cross-sectional shape of the pouring opening (14) is an ellipse.
8. The composite pipe fitting forming die of claim 7, wherein the oval long edge of the pouring opening (14) is arranged along the long edge direction of the pouring end faces of the first tooling (11) and the second tooling (12).
9. The composite material pipe fitting forming die according to any one of claims 1 to 8, wherein the composite material pipe fitting forming external die (2) comprises a first composite material pipe fitting forming external die (21) and a second composite material pipe fitting forming external die (22), a third through groove is formed in the first composite material pipe fitting forming external die (21) in the axial direction, a fourth through groove is formed in the second composite material pipe fitting forming external die (22) in the axial direction, and the first forming through hole (4) is formed after the third through groove and the fourth through groove are buckled.
10. The composite pipe forming die according to claim 9, wherein the cross-sectional shape of the first forming through hole (4) is circular or elliptical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617942.XU CN215095765U (en) | 2021-03-26 | 2021-03-26 | Composite material pipe fitting forming die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617942.XU CN215095765U (en) | 2021-03-26 | 2021-03-26 | Composite material pipe fitting forming die |
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| Publication Number | Publication Date |
|---|---|
| CN215095765U true CN215095765U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120617942.XU Active CN215095765U (en) | 2021-03-26 | 2021-03-26 | Composite material pipe fitting forming die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837766A (en) * | 2022-11-22 | 2023-03-24 | 重庆长安汽车股份有限公司 | Manufacturing method of automobile tubular sample piece |
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2021
- 2021-03-26 CN CN202120617942.XU patent/CN215095765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115837766A (en) * | 2022-11-22 | 2023-03-24 | 重庆长安汽车股份有限公司 | Manufacturing method of automobile tubular sample piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Forming die for composite pipe fittings Effective date of registration: 20230220 Granted publication date: 20211210 Pledgee: Industrial Bank Limited by Share Ltd. Xi'an branch Pledgor: SHAANXI HUANGHE XINXING EQUIPMENT CO.,LTD. Registration number: Y2023610000108 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710089 No. 12, Guihua 1st Road, phase II, National Aviation high tech industrial base, Xi'an, Shaanxi Province Patentee after: Shaanxi Huanghe Xinxing New Material Technology Co.,Ltd. Address before: 710089 No. 12, Guihua 1st Road, phase II, National Aviation high tech industrial base, Xi'an, Shaanxi Province Patentee before: SHAANXI HUANGHE XINXING EQUIPMENT CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |