CN115742362A - Composite square tube bending inclined support paving and pasting mold - Google Patents
Composite square tube bending inclined support paving and pasting mold Download PDFInfo
- Publication number
- CN115742362A CN115742362A CN202211424164.8A CN202211424164A CN115742362A CN 115742362 A CN115742362 A CN 115742362A CN 202211424164 A CN202211424164 A CN 202211424164A CN 115742362 A CN115742362 A CN 115742362A
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- stop block
- block
- base
- inclined support
- dog
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000005452 bending Methods 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000002023 wood Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relates to a composite structure of a composite square tube bending inclined support laying and pasting mold, and belongs to the technical field of composite material forming and manufacturing. A paving and pasting mold for a composite square tube bending inclined support comprises a base and a stop block, wherein the external shape of the paving and pasting mold is matched with the internal shape of the composite square tube bending inclined support; when demoulding, the stop block can be taken down along the axial direction to realize the separation from the base. The invention has the following advantages: 1. the structure is simple; 2. the paving operation is convenient; 3. the demolding difficulty is not high, the demolding success rate is improved, and the stability of the product demolding quality is ensured; 4. durable and easy to maintain.
Description
Technical Field
The invention relates to a composite structure of a composite square tube bending inclined support laying and pasting die, and belongs to the technical field of composite material forming and manufacturing.
Background
Carbon fiber composite has been widely used on aerospace product because advantages such as light in weight, deformation are little, stable in size and heat conductivity are good, and the structure of combined material part is more and more complicated, and the manufacturing degree of difficulty is more and more high, and wherein combined material side's pipe bending bearing to one of them (figure 1) just belongs to:
the composite part is of a bent-edge square tube type, the periphery of a cylinder body in an oblique square tube is closed, and the mold is difficult to take. The appearance of the composite material structural member is required to be smooth, the inner surface of the composite material structural member is required to be matched with other parts, and the inner wall of the square tube body is required to meet the requirements of high precision, uniformity and equal thickness. The part must rely on the mould shaping to make, but because the structure of this part is more complicated, the prior art adopts the negative and positive mould to make up the shaping: the risk of this method lies in that after the parts are spread and pasted by the spreading and pasting mold (male mold), in the demolding process, because the cylinder body is enclosed at the periphery and has a corner, the difficulty of taking the mold of the parts is extremely high, the failure rate of the demolding operation is very high, and a spreading and pasting mold easy to demold needs to be designed and manufactured.
Disclosure of Invention
The invention aims to provide a laying and pasting die for a composite square pipe bending inclined support, which is easy to lay and paste parts and low in demolding difficulty.
In order to achieve the purpose, the invention adopts the following technical scheme: a paving and pasting mold for a composite square pipe bending inclined support comprises a base and a stop block, wherein the external shape of the paving and pasting mold is matched with the internal shape of the composite square pipe bending inclined support, the stop block is movably connected with the base, and the joint of the base and the stop block is opposite to the bending part of the composite square pipe bending inclined support; when demoulding, the stop block can be taken down along the axial direction to realize the separation from the base.
Preferably, the dog includes left dog, middle dog, right dog, and left dog, right dog all with the base joint, middle dog passes through the locating part and installs on the base between left dog, the right dog.
Preferably, the base comprises side bulges positioned on the left side and the right side, a convex inclined edge block and a flat plate; the side edge bulge is matched with the bottoms of the left stop block and the right stop block; the convex inclined edge block is connected with the middle stop block; the flat plate is arranged at the bottom of the side bulge and the bulge bevel edge block.
Preferably, the bottom of the left stop dog is provided with a groove which is clamped with a side edge protrusion arranged on the base, and the area of the bottom of the left stop dog is larger than that of the top of the left stop dog.
Preferably, the middle stop block is axially provided with a screw hole, the screw hole corresponds to a screw hole on the raised bevel edge block arranged on the base, and the middle stop block is arranged on the raised bevel edge block through a screw matched with the screw hole.
Preferably, the bottom of the right stop block is provided with a groove which is clamped with a side edge protrusion arranged on the base, the area of the bottom of the right stop block is smaller than that of the top, and a plurality of screw holes are formed in the top of the right stop block along the axial direction of the right stop block.
Preferably, the dog still includes the dog, goes up the dog and installs at left dog, middle dog and right dog top for connect into a whole with base and left dog, middle dog and right dog.
Preferably, a plurality of screw holes are formed in the upper stop block, the positions of the screw holes correspond to those of the screw holes at the tops of the right stop block and the middle stop block, and the base, the left stop block, the middle stop block and the right stop block are connected into a whole through screws matched with the screw holes.
Preferably, the joint surfaces among the left stop block, the middle stop block and the right stop block are planes.
The principle is as follows: the paving male die is adopted for paving, and the paving male die adopts a male die assembly which is easy to detach and take by adding four blocks on the base, so that the paved prepreg can be smoothly demoulded from the male die, and the product is not damaged in the demould process.
Compared with the prior art, the invention has the following advantages:
1. the structure is simple;
2. the paving operation is convenient;
3. the demolding difficulty is not high, the demolding success rate is improved, and the stability of the product demolding quality is ensured;
4. durable and easy to maintain.
Drawings
FIG. 1 is a schematic structural diagram of a part in the background art of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic view of the base structure of FIG. 2;
FIG. 4 is a schematic view of the left block of FIG. 2;
FIG. 5 is a schematic view of the intermediate stop of FIG. 2;
FIG. 6 is a schematic view of the right block of FIG. 2;
FIG. 7 is a schematic view of the upper block structure of FIG. 2;
FIG. 8 is a schematic diagram of a demolding process according to an embodiment of the present invention (8 a is a state diagram after the placement mold assembly is completed; 8b is a state diagram for mold picking by the upper stopper; 8c is a state diagram for mold picking by the left stopper; 8d is a state diagram for mold picking by the right stopper; 8e is a state diagram for mold picking by the middle stopper);
in fig. 1, a part base; 2. a part is an oblique square tube;
in FIGS. 2-8, 1, base; 2. a left stop block; 3. a right stopper; 4. a middle stop block; 5. and an upper stop block.
Detailed Description
It should be noted that, in the present embodiment, the terms "left", "right", "middle", "top", "bottom", etc. are used to simplify the description or to describe the drawings, and do not limit the present invention. In addition, the parts in this embodiment have the same structure as the parts in the background art, and the specific structure includes a part base 1 and a part oblique square tube 2.
The invention is described in further detail below with reference to figures 2 to 8: a paving and pasting mold for a composite square tube bending inclined support comprises a base and a stop block, wherein the external shape of the paving and pasting mold is matched with the internal shape of the composite square tube bending inclined support; when demoulding, the stop block can be taken down along the axial direction to realize the separation from the base.
The concrete structure is as follows:
in this embodiment, the paving mold is a wood male mold paving mold with a combined structure, and the wood male mold paving mold is composed of a base 1, a left stop block 2, a right stop block 3, a middle stop block 4 and an upper stop block 5;
as shown in fig. 3, the base 1 includes side protrusions, protrusion bevel blocks and a flat plate located on the left and right sides; the side edge bulge is matched with the bottoms of the left stop block 2 and the right stop block 3; the convex oblique edge block is connected with the middle stop block 4; the flat plate is arranged at the bottom of the side edge bulge and the bulge bevel edge block;
as shown in fig. 4, the bottom of the left block 2 is provided with a groove, and the groove and the side edge protrusion on the base adopt a clamping groove type structure and are inserted into the left side edge protrusion on the base, so that the groove of the left block can be well matched with the side edge protrusion of the base; meanwhile, the area of the bottom of the left baffle block 2 is larger than that of the top;
as shown in fig. 5, five screw holes are axially formed in the middle stopper 4, wherein three screw holes penetrate through the upper end surface and the lower end surface of the middle stopper and correspond to three screw holes formed in the raised oblique edge block on the base 1, and the middle stopper is further mounted on the raised oblique edge block through screws matched with the middle stopper, so that no gap is formed between the middle stopper and the raised oblique edge block on the base; the other two screw holes are arranged between the adjacent screw holes of the three screw holes and used for realizing the connection and fixation of the middle stop block 4 and the upper stop block 5.
As shown in fig. 6, the right block 3 and the left block 2 have the same structure, and are inserted into the right protrusion of the base by adopting a slot-type structure, so as to ensure that the groove of the right block can be well matched with the protrusion of the side of the base; meanwhile, the area of the bottom of the right stop block 3 is smaller than that of the top of the right stop block 3, and two screw holes are formed in the top of the right stop block 3 along the axial direction of the right stop block for realizing the connection and fixation of the right stop block 3 and the upper stop block 5;
as shown in fig. 7, the upper block 5 is provided with four screw holes, the positions of the screw holes correspond to those of the screw holes at the tops of the right block and the middle block, and the base 1, the left block 2, the middle block 4 and the right block 3 are connected into a whole through screws matched with the screw holes; moreover, the surfaces of the upper block 5, the left block 2, the middle block 4 and the right block 3 need to be attached to each other.
As a preferred embodiment of this embodiment, the engagement surfaces between the left block 2, the middle block 4, and the right block 3 are flat surfaces to facilitate mold removal.
The following further describes the paving and mold taking using the paving and pasting mold:
a wooden male mold paving mold of a combined structure sticks demolding cloth on the combined male mold to prepare corresponding raw materials;
1. paving and pasting parts: paving and pasting a wood male die paving and pasting die of the combined structure, selecting carbon fiber prepreg for paving and pasting, and paving and pasting parts according to the paving; and after the paving and pasting are finished, taking a mold for the part.
2. Taking a mould of a part:
(1) As shown in fig. 8a, the upper block 5 is connected with other blocks by screws; loosening the bolt and taking down the upper stop block, as shown in fig. 8 b;
(2) The left stop block 2 is taken out of the mold, and the left stop block 2 adopts a clamping groove type structure and can be directly taken down from the clamping groove, as shown in fig. 8 c;
(3) The right block 3 is taken out of the mould, and the right block 3 also adopts a clamping groove type structure and can be directly taken down from the clamping groove, as shown in fig. 8 d;
(4) The middle stopper 4 is connected with the base through a bolt, the bolt is loosened, and the middle stopper 4 is taken down, as shown in fig. 8 e;
(5) After all the stop blocks are taken down, the parts can be directly demoulded and taken out.
Carrying out vacuum bag process combination operation on the composite material autoclave molding method according to general process requirements of the composite material autoclave molding method, and heating and curing the carbon fiber prepreg in the autoclave according to process parameters of the carbon fiber prepreg; and processing and finishing the product according to related technical conditions.
Claims (9)
1. The utility model provides a mould is spread to bearing to one side of bending of combined material side pipe which characterized in that: the external shape of the paving and pasting mold is matched with the internal shape of the composite square pipe bending inclined support, the paving and pasting mold comprises a base and a stop block, the stop block is movably connected with the base, and the joint of the base and the stop block is opposite to the bending part of the composite square pipe bending inclined support; when demoulding, the stop block can be taken down along the axial direction to realize the separation from the base.
2. The composite square pipe bending inclined support laying die as claimed in claim 1, which is characterized in that: the dog includes left dog, middle dog, right dog, and left dog, right dog all with the base joint, middle dog passes through the locating part to be installed on the base between left dog, the right dog.
3. The composite square pipe bending inclined support paving die as claimed in claim 2, wherein: the base comprises side bulges positioned on the left side and the right side, a convex inclined edge block and a flat plate; the side edge bulge is matched with the bottoms of the left stop block and the right stop block; the convex inclined edge block is connected with the middle stop block; the flat plate is arranged at the bottom of the side bulge and the bulge bevel edge block.
4. The composite square pipe bending inclined support paving die as claimed in claim 3, wherein: the bottom of the left check block is provided with a groove which is clamped with a side edge protrusion arranged on the base, and the area of the bottom of the left check block is larger than that of the top of the left check block.
5. The composite square pipe bending inclined support laying die as claimed in claim 3, which is characterized in that: the middle stop block is axially provided with a screw hole which corresponds to a screw hole on the raised bevel edge block arranged on the base, and the middle stop block is arranged on the raised bevel edge block through a screw matched with the screw hole.
6. The composite square pipe bending inclined support paving die as claimed in claim 3, wherein: the bottom of the right stop block is provided with a groove which is connected with a side edge bulge arranged on the base in a clamped mode, the area of the bottom of the right stop block is smaller than that of the top of the right stop block, and a plurality of screw holes are formed in the top of the right stop block along the axial direction of the right stop block.
7. The composite square pipe bending inclined support laying die as claimed in claim 2, which is characterized in that: the stop block further comprises an upper stop block, the upper stop block is arranged at the top of the left stop block, the middle stop block and the right stop block and used for connecting the base, the left stop block, the middle stop block and the right stop block into a whole.
8. The composite square pipe bending inclined support paving die as claimed in claim 7, wherein: a plurality of screw holes are formed in the upper stop block, the positions of the screw holes correspond to those of the screw holes in the tops of the right stop block and the middle stop block, and the base, the left stop block, the middle stop block and the right stop block are connected into a whole through screws matched with the screw holes.
9. The composite square pipe bending inclined support laying die as claimed in claim 2, which is characterized in that: the joint surfaces among the left stop block, the middle stop block and the right stop block are planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211424164.8A CN115742362A (en) | 2022-11-15 | 2022-11-15 | Composite square tube bending inclined support paving and pasting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211424164.8A CN115742362A (en) | 2022-11-15 | 2022-11-15 | Composite square tube bending inclined support paving and pasting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115742362A true CN115742362A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211424164.8A Pending CN115742362A (en) | 2022-11-15 | 2022-11-15 | Composite square tube bending inclined support paving and pasting mold |
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| CN (1) | CN115742362A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07231166A (en) * | 1994-02-18 | 1995-08-29 | Mitsui Toatsu Chem Inc | Manufacture of multilayer board |
| JPH08135246A (en) * | 1994-11-11 | 1996-05-28 | Mitsui Constr Co Ltd | Vertical placing joint member |
| CN105082570A (en) * | 2015-09-14 | 2015-11-25 | 江西洪都航空工业集团有限责任公司 | Integral moulding tool structure and technological method for honeycomb sandwich composite pipe part |
| CN106799511A (en) * | 2016-12-14 | 2017-06-06 | 湖北三江航天红阳机电有限公司 | A kind of over body case machining process of whole glass steel laying half |
| CN110193955A (en) * | 2019-07-03 | 2019-09-03 | 西安爱生技术集团公司 | A kind of small and medium size unmanned aerial vehicles composite material outer wing technological forming method |
| CN110450937A (en) * | 2019-08-23 | 2019-11-15 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Composite material " work " type stringer wall panel structure, molding die and forming method |
| CN111873478A (en) * | 2020-07-30 | 2020-11-03 | 航天特种材料及工艺技术研究所 | Forming tool and method for preparing rectangular hollow composite material tubular component by using same |
| CN214688048U (en) * | 2020-12-08 | 2021-11-12 | 中国纺织科学研究院有限公司 | Be used for fashioned mould of combined material leaf spring |
| CN114261106A (en) * | 2021-11-12 | 2022-04-01 | 江苏亨睿航空工业有限公司 | Forming die and method for battery shell of carbon fiber unmanned aerial vehicle |
| WO2022141857A1 (en) * | 2020-12-31 | 2022-07-07 | 武汉光迅科技股份有限公司 | Photoelectric composite optical module |
-
2022
- 2022-11-15 CN CN202211424164.8A patent/CN115742362A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07231166A (en) * | 1994-02-18 | 1995-08-29 | Mitsui Toatsu Chem Inc | Manufacture of multilayer board |
| JPH08135246A (en) * | 1994-11-11 | 1996-05-28 | Mitsui Constr Co Ltd | Vertical placing joint member |
| CN105082570A (en) * | 2015-09-14 | 2015-11-25 | 江西洪都航空工业集团有限责任公司 | Integral moulding tool structure and technological method for honeycomb sandwich composite pipe part |
| CN106799511A (en) * | 2016-12-14 | 2017-06-06 | 湖北三江航天红阳机电有限公司 | A kind of over body case machining process of whole glass steel laying half |
| CN110193955A (en) * | 2019-07-03 | 2019-09-03 | 西安爱生技术集团公司 | A kind of small and medium size unmanned aerial vehicles composite material outer wing technological forming method |
| CN110450937A (en) * | 2019-08-23 | 2019-11-15 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Composite material " work " type stringer wall panel structure, molding die and forming method |
| CN111873478A (en) * | 2020-07-30 | 2020-11-03 | 航天特种材料及工艺技术研究所 | Forming tool and method for preparing rectangular hollow composite material tubular component by using same |
| CN214688048U (en) * | 2020-12-08 | 2021-11-12 | 中国纺织科学研究院有限公司 | Be used for fashioned mould of combined material leaf spring |
| WO2022141857A1 (en) * | 2020-12-31 | 2022-07-07 | 武汉光迅科技股份有限公司 | Photoelectric composite optical module |
| CN114261106A (en) * | 2021-11-12 | 2022-04-01 | 江苏亨睿航空工业有限公司 | Forming die and method for battery shell of carbon fiber unmanned aerial vehicle |
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