CN110466171A - A kind of design of double layer material precursor structure and preparation method - Google Patents
A kind of design of double layer material precursor structure and preparation method Download PDFInfo
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- CN110466171A CN110466171A CN201910885621.5A CN201910885621A CN110466171A CN 110466171 A CN110466171 A CN 110466171A CN 201910885621 A CN201910885621 A CN 201910885621A CN 110466171 A CN110466171 A CN 110466171A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
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Abstract
The invention discloses a kind of design of double layer material precursor structure and preparation method, the carbon cloth band that width is 20mm~110mm the preparation method of the double layer material precast body, comprising the following steps: S1, internal layer laying: is subjected to layer-by-layer laying along die face；S2, the suture of transition zone laying: the outer layer fiber strap of carbon cloth material surface cladding 1mm~3mm thickness of thickness requirement will be met, be stitched into one internal layer and transition zone with inner fiber suture；S3, the suture of articulamentum laying: 3mm~5mm is coated with outer layer fiber cloth in transition zone outer surface；S4, the suture of body layer laying: it according to the requirement of outer layer residual thickness, is coated with outer layer fiber strap to thickness requirement；The present invention changes the structure type of inner layer material, it joined Z-direction suture in the interlayer of layer of cloth, to greatly strengthen the interlayer structure intensity of inner layer material, phenomena such as overcoming layering, the cracking, micro-crack that inner layer composite material easily occurs in forming process, greatly improves the internal soundness of double-layer composite material product.
Description
Technical field
The invention belongs to textile technology fields, and in particular to a kind of design of double layer material precursor structure and preparation method.
Background technique
It is carbon/phenolic aldehyde, the double-layer composite material that outer layer is high silicone/phenolic resin, the composite wood that composite material, which is internal layer, at present
Traditional molding mode of material be prepreg cloth is first prepared by two kinds of reinforcing materials, then using prepreg cloth composite winding form, thus
Reach internal layer anti-ablation, the purpose of secondary insulation.
Because internal layer carbon fibre material surface inertness is stronger, and phenolic resin compound tense, bond strength between two kinds of interfaces compared with
It is weak；When using traditional canoe molding, the inter-layer bonding force of carbon-coating strap is weaker, thermal stress or processed when solidified
When mechanical stress in journey is larger, easily there is the delamination of carbon-coating cloth interband, according to the difference of stress intensity, to carbon occur
Phenomena such as layering of layer material, cracking, micro-crack；For this purpose, it is proposed that a kind of design of double layer material precursor structure and preparation
Method.
Summary of the invention
The purpose of the present invention is to provide a kind of design of double layer material precursor structure and preparation methods, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, present invention employs following technical solutions: a kind of structure of double layer material precast body, including
Mold, internal layer is equipped on the mold, and the upper surface of the internal layer is sewed with transition zone, the upper surface suture of the transition zone
There is articulamentum, the upper surface of the articulamentum is sewed with body layer.
The present invention also provides a kind of preparation methods of double layer material precast body, comprising the following steps:
S1, internal layer laying: the carbon cloth band that width is 20mm~110mm is subjected to layer-by-layer laying along die face；
S2, the suture of transition zone laying: the outer layer of carbon cloth material surface cladding 1mm~3mm thickness of thickness requirement will be met
Internal layer and transition zone are stitched into one by fiber cloth band with inner fiber suture；
S3, the suture of articulamentum laying: 3mm~5mm is coated with outer layer fiber cloth in transition zone outer surface；
S4, the suture of body layer dysprosium layer: according to the requirement of outer layer residual thickness, being coated with outer layer fiber strap to thickness requirement,
Rest layers and outer layer are stitched into one with outer layer fiber suture；
The preparation of S5, completion to double layer material precursor structure.
The present invention is as further preferred that in S1, and strap laying direction is consistent with mold axis direction, laying process
The middle setting certain laying pressure closely knit for layer of cloth, pressure value are 0.1MPa~1MPa.
The present invention is as further preferred that in S3, when being coated with outer layer fiber cloth, using outer layer fiber suture by
Layer is sutured.
The present invention is used as further preferred that the inner layer material is carbon cloth, and the outer layer is by transition zone, articulamentum and sheet
Body layer composition, the transition zone, articulamentum and body layer are same material, and the mold material is in wooden, metal material
Any one, the outer layer fiber material is high silica glass cloth, any one in quartz glass fibre cloth, it is described in
Layer fiber suture is carbon fiber yarn, and the outer layer fiber suture is quartz glass fibre yarn.
The present invention is used as further preferred that cladding material laying direction is consistent with mold generatrix direction.
The present invention is used as further preferred that the mold is detachable.
The present invention is as further preferred that the suture way is lock-stitch, R-joining suture, unilateral suture and links
Any one or more in suture.
The present invention carries out strap and cuts work, carry out strap and cut work as further preferred that before internal layer laying
When, two class variety classes fiber cloths are cut according to the calculated cloth bandwidth of shape of product respectively.
The present invention trims outer layer, trims to outer layer as further preferred that before outer layer sutures
When, according to shape of product, precast body shape is trimmed to meeting product size requirement with tools such as cutters.
Technical effect and advantage of the invention: a kind of double layer material precursor structure design proposed by the present invention and preparation side
Method has the advantage that compared with prior art
The present invention changes the structure type of inner layer material, joined Z-direction suture in the interlayer of layer of cloth, to greatly enhance
The interlayer structure intensity of inner layer material, overcomes layering, the cracking, fine fisssure that inner layer composite material easily occurs in forming process
Phenomena such as line, greatly improves the internal soundness of double-layer composite material product.
Detailed description of the invention
Fig. 1 is that precast body prepares schematic diagram in the present invention；
Fig. 2 is the unilateral suture schematic diagram in the present invention；
Fig. 3 is that the R-joining in the present invention sutures schematic diagram；
Fig. 4 is the lock-stitch schematic diagram in the present invention；
Fig. 5 is to link suture schematic diagram in the present invention.
In figure: 1, mold；2, internal layer；3, transition zone；4, articulamentum；5, body layer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment one
The present invention provides a kind of structure of double layer material precast body as shown in Fig. 1~5, including mold 1, the molds
Internal layer 2 is equipped on 1, the upper surface of the internal layer 2 is sewed with transition zone 3, and the upper surface of the transition zone 3 is sewed with articulamentum
4, the upper surface of the articulamentum 4 is sewed with body layer 5.
The present invention also provides a kind of preparation methods of double layer material precast body, comprising the following steps:
S1, internal layer laying: the carbon cloth band that width is 20mm~110mm is subjected to layer-by-layer laying along die face；
S2, the suture of transition zone laying: the outer layer of carbon cloth material surface cladding 1mm~3mm thickness of thickness requirement will be met
Internal layer and transition zone are stitched into one by fiber cloth band with inner fiber suture；
S3, the suture of articulamentum laying: 3mm~5mm is coated with outer layer fiber cloth in transition zone outer surface；
S4, the suture of body layer laying: according to the requirement of outer layer residual thickness, being coated with outer layer fiber strap to thickness requirement,
Rest layers and outer layer are stitched into one with outer layer fiber suture；
The preparation of S5, completion to double layer material precursor structure.
The present invention is specific: in S1, strap laying direction is consistent with mold axis direction, is arranged during laying and is used for
The closely knit certain laying pressure of layer of cloth, pressure value are 0.1MPa~1MPa.
By using above scheme, it is ensured that the accuracy of strap laying.
The present invention is specific: in S3, when being coated with outer layer fiber cloth, successively being stitched using outer layer fiber suture
It closes.
By using above scheme, the effect optimum state of suture can be made.
The present invention is specific: the inner layer material is carbon cloth, and the outer layer is made of transition zone, articulamentum and body layer,
The transition zone, articulamentum and body layer are same material, and the mold material is wooden, any one in metal material,
The outer layer fiber material is high silica glass cloth, any one in quartz glass fibre cloth, the inner fiber seam
Zygonema is carbon fiber yarn, and the outer layer fiber suture is quartz glass fibre yarn.
The present invention is specific: cladding material laying direction is consistent with mold generatrix direction.
By using above scheme, it is ensured that the accuracy of outer layer laying
The present invention is specific: the mold is detachable.
By using above scheme, the double layer material precast body sutured can be dismantled.
The present invention is specific: the suture way is lock-stitch, R-joining suture, unilateral suture and links appointing in suture
It anticipates one or more.
By using above scheme, it can be sutured using a variety of suture ways, reach best sewing effect.
The present invention is specific: before internal layer laying, carrying out strap and cuts work, when progress strap cuts work, by two classes
Variety classes fiber cloth is cut according to the calculated cloth bandwidth of shape of product respectively.
By using above scheme, can be cut according to the actual situation.
The present invention is specific: before outer layer sutures, trimming to outer layer, when trimming to outer layer, according to production
Product shape, with the tools such as cutter by precast body shape trim to meet product size requirement.
By using above scheme, outer layer is allowed to meet product size requirement.
Working principle: progress strap cuts work first, when progress strap cuts work, by two class variety classes fiber cloths
It is cut respectively according to the calculated cloth bandwidth of shape of product, then carries out internal layer laying, then carry out transition zone laying
Then suture is attached a layer laying suture, finally carries out the suture of body layer laying, complete to double layer material precursor structure
Preparation, changes the structure type of inner layer material, joined Z-direction suture in the interlayer of layer of cloth, to greatly strengthen internal layer material
It is existing to overcome layering, cracking, micro-crack that inner layer composite material easily occurs in forming process etc. for the interlayer structure intensity of material
As greatly improving the internal soundness of double-layer composite material product.
Embodiment two
The present invention also provides a kind of preparation methods of double layer material precast body as shown in Fig. 1~5, not with embodiment one
Be, comprising the following steps:
One, strap cutting step: by 1K carbon cloth and high silica glass cloth respectively according to the calculated cloth of shape of product
Bandwidth carry and is cut；
Two, carbon cloth band internal layer laying step: is subjected to layer-by-layer laying (or winding), cloth along mold (material: wooden) type face
Band laying (or winding) direction is consistent with mold axis direction；Certain laying pressure has been needed (or to twine during laying (or winding)
Around tension) it is closely knit (fiber volume fraction need to reach related request) to layer of cloth；
Three, the vagcor of the carbon-coating surface cladding 2mm thickness of thickness requirement transition zone laying stitching step: will be met
Internal layer and transition zone are stitched into one, suture way by fiber cloth band with carbon fiber yarn: lock-stitch, suture needle distance: 3*3；
Four, it articulamentum laying stitching step: during transition zone outer surface outer layer fiber cloth cladding 3mm, cladding, needs
It is successively sutured using quartz glass fibre yarn and (suture way: links suture), and quartz fibre suture must not enter
Into internal layer；
Five, body layer dysprosium layer stitching step: according to outer layer residual thickness requirement, with high silica glass cloth band coat to
Thickness requirement, be then stitched into one rest layers and outer layer with quartz glass fibre yarn (suture way: R-joining, suture needle distance:
6*6), and quartz glass fibre yarn must not enter in internal layer；
Six, outer layer shearing procedure: according to shape of product, precast body shape is trimmed to meeting product ruler with tools such as cutters
Very little requirement.
Working principle: progress strap cuts work first, when progress strap cuts work, by two class variety classes fiber cloths
Carry according to the calculated cloth bandwidth of shape of product respectively and cut, then carries out internal layer laying, then carry out transition zone laying
Then suture is attached a layer laying suture, finally carries out the suture of body layer laying, complete to double layer material precursor structure
Preparation, changes the structure type of inner layer material, joined Z-direction suture in the interlayer of layer of cloth, to greatly strengthen internal layer material
It is existing to overcome layering, cracking, micro-crack that inner layer composite material easily occurs in forming process etc. for the interlayer structure intensity of material
As greatly improving the internal soundness of double-layer composite material product.
Embodiment three
The present invention also provides a kind of preparation methods of double layer material precast body as shown in Fig. 1~5, not with embodiment one
Be, comprising the following steps:
Step 1: strap cutting step: 3K carbon cloth and quartz glass fibre cloth is calculated according to shape of product respectively
Cloth bandwidth is cut；
Step 2: internal layer laying step: carbon cloth band being carried out layer-by-layer laying along mold (material: aluminum) type face and (or is twined
Around), strap laying (or winding) direction is consistent with mold axis direction；Certain laying pressure has been needed during laying (or winding)
(or winding tension) is closely knit (fiber volume fraction need to reach related request) to layer of cloth；
Step 3: transition zone laying stitching step: the quartzy glass of the carbon-coating surface cladding 1mm thickness of thickness requirement will be met
Internal layer and transition zone are stitched into one, suture way by glass fiber cloth band with carbon fiber yarn: lock-stitch, suture needle distance: 4*4；
Step 4: articulamentum laying stitching step: coating 4mm with outer layer fiber cloth in transition zone outer surface, coat process
In, it need to successively be sutured using quartz glass fibre yarn and (suture way: link suture), and quartz fibre suture must not
It enters in internal layer；
Step 5: body layer laying stitching step: according to the requirement of outer layer residual thickness, being coated with quartz glass fibre strap
To thickness requirement, rest layers and outer layer are then stitched into one (suture way: R-joining, sewing needle with quartz glass fibre yarn
Away from: 8*8), and quartz glass fibre yarn must not enter in internal layer；
Step 6: outer layer shearing procedure: according to shape of product, being trimmed precast body shape to meeting with tools such as cutters and produced
The requirement of product size.
Working principle: progress strap cuts work first, when progress strap cuts work, by two class variety classes fiber cloths
It is cut respectively according to the calculated cloth bandwidth of shape of product, then carries out internal layer laying, then carry out transition zone laying
Then suture is attached a layer laying suture, finally carries out the suture of body layer laying, complete to double layer material precursor structure
Preparation, changes the structure type of inner layer material, joined Z-direction suture in the interlayer of layer of cloth, to greatly strengthen internal layer material
It is existing to overcome layering, cracking, micro-crack that inner layer composite material easily occurs in forming process etc. for the interlayer structure intensity of material
As greatly improving the internal soundness of double-layer composite material product.
Example IV
The present invention also provides a kind of preparation methods of double layer material precast body as shown in Fig. 1~5, not with embodiment one
Be, comprising the following steps:
Step 1: strap cutting step: 1K carbon cloth and quartz glass fibre cloth is calculated according to shape of product respectively
Cloth bandwidth is cut；
Step 2: internal layer laying step: carbon cloth band being carried out layer-by-layer laying along mold (material: steel) type face and (or is twined
Around), strap laying (or winding) direction is consistent with mold axis direction；Certain laying pressure has been needed during laying (or winding)
(or winding tension) is closely knit (fiber volume fraction need to reach related request) to layer of cloth；
Step 3: transition zone laying stitching step: the quartzy glass of the carbon-coating surface cladding 3mm thickness of thickness requirement will be met
Internal layer and transition zone are stitched into one, suture way by glass fiber cloth band with carbon fiber yarn: lock-stitch, suture needle distance: 5*5；
Step 4: articulamentum laying stitching step: coating 5mm with outer layer fiber cloth in transition zone outer surface, coat process
In, it need to successively be sutured using quartz glass fibre yarn and (suture way: link suture), and quartz fibre suture must not
It enters in internal layer；
Step 5: body layer laying stitching step: according to the requirement of outer layer residual thickness, being coated with quartz glass fibre strap
To thickness requirement, rest layers and outer layer are then stitched into one (suture way: R-joining, sewing needle with quartz glass fibre yarn
Away from: 6*6), and quartz glass fibre yarn must not enter in internal layer；
Step 6: outer layer shearing procedure: according to shape of product, being trimmed precast body shape to meeting with tools such as cutters and produced
The requirement of product size.
Working principle: progress strap cuts work first, when progress strap load cutting is made, by two class variety classes fiber cloths
It is cut respectively according to the calculated cloth bandwidth of shape of product, then carries out internal layer laying, then carry out transition zone laying
Then suture is attached a layer laying suture, finally carries out the suture of body layer laying, complete to double layer material precursor structure
Preparation, changes the structure type of inner layer material, joined Z-direction suture in the interlayer of layer of cloth, to greatly strengthen internal layer material
It is existing to overcome layering, cracking, micro-crack that inner layer composite material easily occurs in forming process etc. for the interlayer structure intensity of material
As greatly improving the internal soundness of double-layer composite material product.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of structure of double layer material precast body, which is characterized in that including mold (1), be equipped with internal layer on the mold (1)
(2), the upper surface of the internal layer (2) is sewed with transition zone (3), and the upper surface of the transition zone (3) is sewed with articulamentum (4),
The upper surface of the articulamentum (4) is sewed with body layer (5).
2. a kind of preparation method of double layer material precast body according to claim 1, which is characterized in that including following step
It is rapid:
S1, internal layer laying: the carbon cloth band that width is 20mm~110mm is subjected to layer-by-layer laying along die face；
S2, the suture of transition zone laying: the outer layer fiber of carbon cloth material surface cladding 1mm~3mm thickness of thickness requirement will be met
Internal layer and transition zone are stitched into one by strap with inner fiber suture；
S3, the suture of articulamentum laying: 3mm~5mm is coated with outer layer fiber cloth in transition zone outer surface；
S4, the suture of body layer laying: it according to the requirement of outer layer residual thickness, is coated with outer layer fiber strap to thickness requirement, with outer
Rest layers and outer layer are stitched into one by layer fiber suture；
The preparation of S5, completion to double layer material precursor structure.
3. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: in S1, strap
Laying direction is consistent with mold axis direction, and the certain laying pressure closely knit for layer of cloth, pressure value are arranged during laying
For 0.1MPa~1MPa.
4. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: in S3, with outer
When layer fiber cloth cladding, successively sutured using outer layer fiber suture.
5. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: the inner layer material
For carbon cloth, the outer layer is made of transition zone, articulamentum and body layer, and the transition zone, articulamentum and body layer are same material
Material, the mold material are wooden, any one in metal material, and the outer layer fiber material is resurrection glass fibre
Any one in cloth, quartz glass fibre cloth, the inner fiber suture are carbon fiber yarn, the outer layer fiber suture
For quartz glass fibre yarn.
6. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: the cladding material
Laying direction is consistent with mold generatrix direction.
7. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: the mold is can
Detachable.
8. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: the suture way
For lock-stitch, R-joining suture, unilateral suture and link suture in any one or more.
9. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: in internal layer laying
Before, it carries out strap and cuts work, when progress strap cuts work, by two class variety classes fiber cloths respectively according to shape of product meter
The cloth bandwidth of calculating is cut.
10. a kind of preparation method of double layer material precast body according to claim 2, it is characterised in that: carried out in outer layer
Before suture, outer layer is trimmed, when being trimmed to outer layer, according to shape of product, with tools such as cutters by precast body shape
Trimming is required to product size is met.
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| CN112810187A (en) * | 2020-12-31 | 2021-05-18 | 湖北三江航天红阳机电有限公司 | Nozzle expansion section and forming method thereof |
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Application publication date: 20191119 |
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