CN202742672U - Composite grating tubular-component forming die - Google Patents
Composite grating tubular-component forming die Download PDFInfo
- Publication number
- CN202742672U CN202742672U CN 201220231603 CN201220231603U CN202742672U CN 202742672 U CN202742672 U CN 202742672U CN 201220231603 CN201220231603 CN 201220231603 CN 201220231603 U CN201220231603 U CN 201220231603U CN 202742672 U CN202742672 U CN 202742672U
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- end plate
- soft mode
- rubber soft
- main shaft
- silicon rubber
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Abstract
The utility model discloses a composite grating tubular-component forming die. The die is composed of a main shaft, end plates, steering bolts, support beams, a protective shell and a silicone rubber soft mode, wherein the main shaft is a support part of the die, and the disc-shaped end plates are fixedly arranged at the two ends of the main shaft; the support beams are installed into card slots of the end plates at two ends, and the protective shell is fixedly arranged on the support beams between the end plates at two ends; the silicone rubber soft mode is fixedly arranged at the circumferential outer layer of the protective shell; the steering bolts are screwed into threaded through holes of the end plates to tightly buckle the main shaft; and the steering bolts are also the steering shafts of fibers and the end heads of fiber binding bundles in the fiber winding process. The forming die adopts a silicone rubber soft mode winding process and utilizes the opened protective shell in the assembly process and the radial shrinkage force generated by the radial shrinkage of the silicone rubber soft mode to tighten the support beams and the end plates along the radial direction of the die to achieve an effect of fastening all parts of the die, manufacturing a composite grating tubular-component. After the component is formed, the die is convenient to assemble, unassembled and operate.
Description
Technical field
The utility model relates to a kind of composite material grid tubular element mould.Belong to technological equipment structural design and manufacturing technology field.
Background technology
The composite material grid tubular element is two-dimentional truss structure, belong to grid-stiffened composite structure (Advanced Composite Grid Structure, be called for short AGS), the integral body of member is a kind of hollow out tubular structure, by twining along cylinder and forming along the rib of segment of a cylinder lay, the cross sectional shape of rib is rectangle.This member adopts the polymer matrix composites manufacturing, not only has composite high specific strength, high specific stiffness and flexible characteristics, but also has the advantage of good stability, is widely used in aerospace field.Because after the moulding, member demoulding narrow space, its Design of Dies become the key that this class A of geometric unitA is made.
The existing forming method of composite material grid tubular element comprises free forming prooess, Lightweight core mould winding method and silicon rubber soft mode winding method.Silicon rubber soft mode winding method basic principle is: pre-groove on the silicon rubber soft mode, the fiber of pre-soaked resin twines along groove, the silicon rubber soft mode expands in the process of being heating and curing, the prepreg in the groove of uniform high-efficiency applies lateral pressure, realize plastic squeeze and compacting, improve the rib fiber volume fraction, thereby effectively improved the overall performance of Composites Lattice Structure.The silicon rubber soft mode easily prepares, the profiled member good manufacturability, and this technique is the method that the manufacturing of composite material grid tubular element is extensively adopted, and assembles workload greatly and the problem of member demoulding difficulty but still face mould.
In the existing disclosed document, " preparation of two-dimensional lattice composite structure and performance " (National University of Defense Technology's Master's thesis) introduced a kind of mould that adopts silicon rubber soft mode winding method to make the composite material grid tubular element in the literary composition.This mould is made of silicon rubber soft mode, wooden winding mandrel and main shaft.The assembling of wooden each parts of winding mandrel, silicon rubber soft mode all adopt iron nail fastening with the assembling of wooden winding mandrel, and mould assembling workload is large, demoulding difficulty, also fragile silicon rubber soft mode.
The utility model content
For fear of the deficiency that prior art exists, it is complicated to overcome its mould structure, and the assembly work amount is large, and demoulding difficulty, the problem that efficient is on the low side the utility model proposes a kind of composite material grid tubular element mould.Mould adopts silicon rubber soft mode winding process, the radial contraction power of utilizing its guarantor's shell that in assembling process, is strutted and silicon rubber soft mode radial contraction to produce, radially tighten up brace summer and end plate along mould, reach the effect of fastening each parts of mould, make the composite material grid tubular element; Mould handling is simple and easy convenient behind the molding component.
The technical scheme that its technical problem that solves the utility model adopts is: comprise main shaft, end plate, turn to bolt, brace summer, guarantor's shell, silicon rubber soft mode;
Described main shaft is the support component of mould, and the main shaft two ends are fixed with disc-shaped end plates, and the end plate center is provided with the end plate centre bore, and end plate circumferentially is evenly equipped with four draw-in grooves, and the draw-in groove among has two end plate tapped through holes to communicate with the end plate centre bore; Brace summer is fixed in the end plate draw-in groove of two ends, protects shell and is installed between two end plates on the brace summer, and the silicon rubber soft mode is fixed on that to protect shell circumferentially outer; Turn to bolt precession end plate tapped through hole chucking main shaft, main shaft is with end plate centre bore matched in clearance, with the relative motion of restriction main shaft and end plate centre bore; The termination that turns to bolt in the Filament-wound Machine process, also to tie up bundle as steering spindle and the fiber of fiber;
Described brace summer is the square-section straight-bar, and there is excessive circular arc the termination, two ends, and the brace summer height is identical with the draw-in groove degree of depth;
Described guarantor's shell is the thin wall cylinder-shaped housing, and along housing shaft to having a gap, it is identical with silicon rubber soft mode internal diameter size to protect the shell external diameter; Protect shell the support of silicon rubber soft mode is the face of cylinder, the guarantor's shell that is strutted in assembling process has the trend of radial contraction, for mould provides radially tightening force.For guaranteeing suitable convergent force, it is less 3 to 20 millimeters than end plate diameter to protect the shell internal diameter.
Described silicon rubber soft mode surface has the helix groove, and the number of silicon rubber soft mode surface helix groove port turns to the bolt number identical with the connection of end plate tapped through hole.
Beneficial effect
The utility model composite material grid tubular element mould, adopt silicon rubber soft mode winding process, the radial contraction power of utilizing its guarantor's shell that in assembling process, is strutted and silicon rubber soft mode radial contraction to produce, radially tighten up brace summer and end plate along mould, reach the effect of fastening each parts of mould, make the composite material grid tubular element; Each parts of mould except main shaft by turning to the bolt chucking, the assembling between remaining part does not all use securing member to fix, mould handling is simple and easy convenient behind the molding component.Forming die structure is simple, uses easy to operate.
Description of drawings
Below in conjunction with drawings and embodiments a kind of composite material grid tubular element of the utility model mould is described in further detail.
Fig. 1 is the utility model composite material grid tubular element forming die structure schematic diagram.
Fig. 2 is end plate schematic diagram of the present utility model.
Fig. 3 is brace summer schematic diagram of the present utility model.
Fig. 4 is guarantor's shell schematic diagram of the present utility model.
Fig. 5 is silicon rubber soft mode schematic diagram of the present utility model.
Among the figure:
1. main shaft 2. end plates 3. end plate centre bores 4. draw-in grooves 5. end plate tapped through holes 6. turn to bolt 7. brace summers 8. to protect shell 9. and protect shell gap 10. silicon rubber soft modes 11. silicon rubber soft mode grooves
The specific embodiment
Present embodiment is a kind of composite material grid tubular element mould.Mould comprises: main shaft, end plate, turn to bolt, brace summer, guarantor's shell, silicon rubber soft mode.Main shaft is by turning to the bolt chucking, assembling between mold component does not all use securing member to fix, but rely on the strain generation convergent force radially of protecting shell and silicon rubber soft mode, and radially tighten up each parts of mould along mould, reach the effect of fastening each parts of mould.
The utility model composite material grid tubular element mould adopts silicon rubber soft mode winding process to make the composite material grid tubular element, comprises main shaft 1, end plate 2, turns to bolt 6, brace summer 7, protects shell 8, silicon rubber soft mode 10.The composite material grid tubular element mould that has 4 draw-in grooves take end plate is elaborated as embodiment, consults Fig. 1-Fig. 5.
The implementation step:
(1) main shaft 1 of mould structure is stock solid shafting, main axis length is greater than mould structure length, support component for mould structure, main shaft is with end plate centre bore matched in clearance, and by turning to bolt precession end plate tapped through hole that main shaft is clamped in the end plate centre bore, with the relative motion of restriction main shaft and end plate centre bore, referring to Fig. 1.
(2) main shaft 1 two ends of mould structure are fixed with respectively discoid end plate 2, end plate 2 centers are provided with end plate centre bore 3, end plate 2 circumferentially is evenly equipped with four end plate draw-in grooves 4, end plate draw-in groove 4 amongs are provided with two end plate tapped through holes 5 and communicate with end plate centre bore 3, end plate draw-in groove 4 and brace summer 7 matched in clearance, end plate draw-in groove 4 degree of depth equal brace summer 7 height.
(3) bolt 6 that turns to of mould structure is plain bolt, and 8 turn to bolt to be distributed between each circumferential end plate draw-in groove 4 of end plate; In the set of molds process of assembling, on the one hand, use to turn to chucking main shaft 1 in the bolt 6 precession end plate tapped through holes 5; On the other hand, in the Filament-wound Machine process, can be used as the steering spindle of fiber and the termination that fiber is tied up bundle.
(4) brace summer 7 of mould structure is the square-section straight-bar, and it is circumferential to be positioned at mould, and the number of brace summer is identical with the circumferential draw-in groove number of end plate, be 4, there is excessive circular arc termination, brace summer two ends, and the brace summer height is identical with the draw-in groove degree of depth, be convenient to the end plate assembling, referring to Fig. 3.
(5) guarantor's shell 8 of mould structure is the thin wall cylinder-shaped housing, and along housing shaft to having a gap, it is identical with silicon rubber soft mode internal diameter to protect the shell external diameter; Protect shell 8 and be used for silicon rubber soft mode 10 is supported for the face of cylinder, the trend that the guarantor's shell 8 that is strutted in assembling process and silicon rubber soft mode 10 have radial contraction produces radial contraction power, tightens up brace summer 7 and end plate 2.For guaranteeing to produce enough convergent forces, protect shell 8 internal diameters than extremely when young 3 millimeters of end plate 2 diameters.It is less to protect the shell internal diameter, and the deflection that is strutted by end plate 2 and brace summer 7 is larger, and the radial contraction power of generation is also larger, but excessive deflection can cause protecting shell 8 plastic deformations occurs, even destroys, referring to Fig. 4.
(6) the silicon rubber soft mode 10 of mould structure has the silicon rubber cylinder of helix groove and hoop groove for the surface, take 8 Along ents of silicon rubber cylinder circular end surface as starting point, along the counterclockwise and clockwise helix of silicon rubber cylinder rectangle groove is arranged respectively, amount to 16 helix rectangle grooves, there is the hoop rectangle groove at spiral grooves intersection point place in same cross section, amount to 15 hoop rectangle grooves, silicon rubber soft mode 10 internal diameters are identical with guarantor's shell 8 outside dimensions, referring to Fig. 5.
The die assembly process:
(1) will protect shell 8 and put into tubular silicon rubber soft mode 10.
(2) brace summer 7 one ends are put into end plate draw-in groove 4, then the other end with brace summer assembles with another end plate by protecting shell 8, at last two end plates is advanced in the middle of mould simultaneously, protect shell 8 and silicon rubber soft mode 10 to strut, make shell and the suitable radial contraction power of silicon rubber soft mode generation of protecting;
(3) main shaft 1 is passed two end plates centre bore 3, and adjust the main shaft two ends with the distance of end plate 2, make main shaft 1 two ends that suitable bearing length be arranged;
(4) with turning to bolt 6 to screw in the end plate tapped through hole 5, tighten main shaft 1.
The member knockout course:
(1) outward winding the screw that turns on the end plate is extracted main shaft out;
(2) the two ends end plate that takes apart a die takes out brace summer;
(3) extract guarantor's shell out;
(4) the silicon rubber soft mode is pushed to component inside, then take out the silicon rubber soft mode from component inside.
Claims (2)
1. composite material grid tubular element mould is characterized in that comprising main shaft, end plate, turns to bolt, brace summer, guarantor's shell, silicon rubber soft mode;
Described main shaft is the support component of mould, and the main shaft two ends are fixed with disc-shaped end plates, and the end plate center is provided with the end plate centre bore, and end plate circumferentially is evenly equipped with four draw-in grooves, and the draw-in groove among has two end plate tapped through holes to communicate with the end plate centre bore; Brace summer is fixed in the end plate draw-in groove of two ends, protects shell and is installed between two end plates on the brace summer, and the silicon rubber soft mode is fixed on that to protect shell circumferentially outer; Turn to bolt precession end plate tapped through hole chucking main shaft, the termination that turns to bolt in the Filament-wound Machine process, also to tie up bundle as steering spindle and the fiber of fiber;
Described brace summer is the square-section straight-bar, and there is excessive circular arc the termination, two ends, and the brace summer height is identical with the draw-in groove degree of depth;
Described guarantor's shell is the thin wall cylinder-shaped housing, and along housing shaft to having a gap, it is identical with silicon rubber soft mode internal diameter size to protect the shell external diameter.
2. composite material grid tubular element mould according to claim 1, it is characterized in that: described silicon rubber soft mode surface has the helix groove, and the number of silicon rubber soft mode surface helix groove port turns to the bolt number identical with the end plate tapped through hole is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231603 CN202742672U (en) | 2012-05-22 | 2012-05-22 | Composite grating tubular-component forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231603 CN202742672U (en) | 2012-05-22 | 2012-05-22 | Composite grating tubular-component forming die |
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| Publication Number | Publication Date |
|---|---|
| CN202742672U true CN202742672U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220231603 Expired - Fee Related CN202742672U (en) | 2012-05-22 | 2012-05-22 | Composite grating tubular-component forming die |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724758A (en) * | 2018-07-12 | 2018-11-02 | 沈小峰 | A kind of fiberglass frame of filter element and preparation method thereof |
| CN109080106A (en) * | 2018-08-24 | 2018-12-25 | 广东德塑科技集团有限公司 | A kind of PVC grid pipe mold convenient for assembling |
| CN109249560A (en) * | 2018-10-24 | 2019-01-22 | 南京航空航天大学 | A kind of composite material grid interlayer flange molding mold and forming method |
| CN109624279A (en) * | 2018-11-09 | 2019-04-16 | 宁波新松机器人科技有限公司 | A kind of grid edge rolling mechanism and method |
| CN111376412A (en) * | 2018-12-29 | 2020-07-07 | 成都联科航空技术有限公司 | Internal mold for forming tubular structure |
| CN112344200A (en) * | 2020-11-05 | 2021-02-09 | 浙江大学 | non-Newtonian fluid impregnated grid enhanced hydrogen storage pressure vessel structure and process |
| CN115592931A (en) * | 2022-10-27 | 2023-01-13 | 新创碳谷集团有限公司（Cn） | Manufacturing die and manufacturing method for van-type girder of wind power blade made of composite material |
-
2012
- 2012-05-22 CN CN 201220231603 patent/CN202742672U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724758A (en) * | 2018-07-12 | 2018-11-02 | 沈小峰 | A kind of fiberglass frame of filter element and preparation method thereof |
| CN109080106A (en) * | 2018-08-24 | 2018-12-25 | 广东德塑科技集团有限公司 | A kind of PVC grid pipe mold convenient for assembling |
| CN109080106B (en) * | 2018-08-24 | 2024-01-09 | 广东德塑科技集团有限公司 | PVC grid tubular product mould convenient to equipment |
| CN109249560A (en) * | 2018-10-24 | 2019-01-22 | 南京航空航天大学 | A kind of composite material grid interlayer flange molding mold and forming method |
| CN109624279A (en) * | 2018-11-09 | 2019-04-16 | 宁波新松机器人科技有限公司 | A kind of grid edge rolling mechanism and method |
| CN111376412A (en) * | 2018-12-29 | 2020-07-07 | 成都联科航空技术有限公司 | Internal mold for forming tubular structure |
| CN112344200A (en) * | 2020-11-05 | 2021-02-09 | 浙江大学 | non-Newtonian fluid impregnated grid enhanced hydrogen storage pressure vessel structure and process |
| CN112344200B (en) * | 2020-11-05 | 2021-10-26 | 浙江大学 | non-Newtonian fluid impregnated grid enhanced hydrogen storage pressure vessel structure and process |
| CN115592931A (en) * | 2022-10-27 | 2023-01-13 | 新创碳谷集团有限公司（Cn） | Manufacturing die and manufacturing method for van-type girder of wind power blade made of composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20160522 |