CN108327319A - A kind of fiberglass pultrusion progressive solution pre-shaping device and method - Google Patents
A kind of fiberglass pultrusion progressive solution pre-shaping device and method Download PDFInfo
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- CN108327319A CN108327319A CN201810344183.7A CN201810344183A CN108327319A CN 108327319 A CN108327319 A CN 108327319A CN 201810344183 A CN201810344183 A CN 201810344183A CN 108327319 A CN108327319 A CN 108327319A
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- Prior art keywords
- heated mould
- yarn
- level
- shaping device
- progressive solution
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- 230000000750 progressive effect Effects 0.000 title claims abstract description 39
- 239000011152 fibreglass Substances 0.000 title claims abstract description 32
- 238000007493 shaping process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010043458 Thirst Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
-
- 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
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/528—Heating or cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention is a kind of fiberglass pultrusion progressive solution pre-shaping device, the device includes the supporting rack being made of several supporting rods, yarn direction is pressed on supporting rack and is installed with threading board, yarn positioning plate and pre-heated mould support plate successively, several holes of entrying are distributed on the threading board and yarn positioning plate；It is fixed with two level pre-heated mould in pre-heated mould support plate, level-one pre-heated mould is installed on yarn positioning plate；The device is additionally provided with fixedly connected part, and the fixedly connected part includes the support column of fixed plate and connection support fixed plate, and supporting rack is fixedly connected on molding die by fixedly connected part.The present invention also provides a kind of progressive solution preformation methods.Apparatus of the present invention can be improved that pultrusion speed, inside and outside curing degree are consistent, reduce into mould resistance, avoid fiber sideslip mould, shape of product forming degree good using multistage preheating, yarn positioning.
Description
Technical field
The present invention relates to a kind of composite material pre-shaping device and its pultrusion molding process, and in particular to a kind of fiberglass drawing
Squeeze progressive solution pre-shaping device and its forming method.
Background technology
Pultrusion molding process is a kind of composite material process planning, and basic craft course is fibre reinforced materials (carbon fiber
Dimension or woven glass roving fabric, carbon fiber or glass fabric etc.), under the traction of external force, through impregnation, preforming dress
It sets, hot-die solidification, obtains shape product, and be cut into the process of certain length by requirement.
When producing big section glass steel drawing and extruding section bar, since product internal/external heating degree is inconsistent, difference of curing degree
Product is caused various defects occur.In order to ensure to be fully cured inside and outside product, pultrusion speed of production can only be reduced, production is caused to be imitated
Rate substantially reduces.The resin in glue groove is influenced by ambient temperature and autoreactivity simultaneously, and viscosity can gradually become larger, with
When the fiber of resin enters mold, high resistance is will produce, pultrusion is caused to rise, can seriously lead to stifled mould.In addition, on back flow plate
Resin due to temperature it is low, viscosity is big, it is generally difficult to flow back to glue groove, but save bit by bit on back flow plate, cause the waste of resin.If
If by the temperature of raising glue groove simply, the shortening of resin pot life is often resulted in.For pultrusion profile shapes, yarn is easily run
Partially, cause product to be unable to final molding, seriously lead to stifled mould.
How Frp Pultruded Rods are ensured, the inside and outside curing degree of especially big cross section articles is consistent, improves pultrusion speed,
Resin viscosity is controlled simultaneously, improves mobility, reduces die cavity resistance and the control preforming trend of yarn.It is the research in this field
Person thirsts for the technical issues of solving.
Invention content
In view of this, in order to solve the deficiencies in the prior art, it is an object of the invention to propose a kind of fiberglass pultrusion point
Grade heating pre-shaping device, is positioned using multistage preheating, yarn, it is ensured that and inside and outside curing degree is consistent, improves Resin Flow,
To reduce die cavity resistance, formed product degree and pultrusion speed are improved.
Another object of the present invention is to additionally provide a kind of use foregoing glass steel pultrusion progressive solution pre-shaping device
Progressive solution preformation method.
To achieve the goals above, the present invention adopts the following technical scheme that：A kind of fiberglass pultrusion progressive solution is preforming
Device, its main feature is that：The device includes the supporting rack being made of several supporting rods, and it is solid successively that yarn direction is pressed on supporting rack
Dingan County is equipped with threading board, yarn positioning plate and pre-heated mould support plate, is distributed on the threading board and yarn positioning plate
Several holes of entrying；It is fixed with two level pre-heated mould in pre-heated mould support plate, is fixedly mounted on yarn positioning plate
There is level-one pre-heated mould；The device is additionally provided with fixedly connected part, and the fixedly connected part includes fixed plate and connection support
Supporting rack is fixedly connected on molding die by the support column of fixed plate by fixedly connected part.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：The support column is cylindrical pin with internal thread.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：It is equipped with connection through-hole in fixed plate, supporting rod is connect with fixed plate by through-hole, is achieved a fixed connection
Part is fixedly connected with supporting rack.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：Hole of entrying on the threading board is uniformly arranged；Hole of entrying on the yarn positioning plate includes setting
Middle part large yarn hole and be located at several small yarn holes group of large yarn hole surrounding.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：The interior chamber size of the level-one pre-heated mould be less than two level pre-heated mould interior chamber size, two
Fiber volume fraction is 50%-65% in die cavity, preferably 55%-60%.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：The die entrance of the level-one pre-heated mould, two level pre-heated mould is R10mm- with outlet fillet
R20mm。
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：The supporting rod is made of screw rod and several sleeves.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：The heading-length of the level-one pre-heated mould two level pre-heated mould is 10cm-20cm.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：The level-one pre-heated mould and two level pre-heated mould is mounted on several thermometer holes, wherein extremely
Few one is used for controlling heating, at least one to be used for demarcating temperature.
A kind of fiberglass pultrusion progressive solution pre-shaping device of the present invention, further preferred technical solution or
Person's technical characteristic is：The distance between the level-one pre-heated mould, two level pre-heated mould are 10cm-20cm, preferably 14
cm-16cm；Enter die length of the two level pre-heated mould apart from molding die is 5cm-10cm, preferably 7cm-8cm；Described one
Length of the grade pre-heated mould apart from threading board is 50cm-80cm, preferably 60cm-70cm.
The invention also discloses a kind of fiberglass pultrusion progressive solution preformation methods, its main feature is that：This method use with
Fiberglass pultrusion progressive solution pre-shaping device described in any one of upper technical solution, its step are as follows：Infiltrate resin adhesive liquid
Yarn by threading board, middle section yarn enters level-one pre-heated mould and carries out one at 80 DEG C -120 DEG C from threading board
Grade preheating, outer layer yarn enter two level pre-add hot-die after being positioned by the hole of entrying of yarn positioning plate together with the yarn of middle section
Tool carries out two level preheating at 80 DEG C -100 DEG C, and it is preforming to complete progressive solution；Then all yarns enter molding die, most
Curing molding afterwards.
In the above fiberglass pultrusion progressive solution preformation method, the preferable temperature of level-one preheating is 90 DEG C -110 DEG C, most
Preferable temperature is 100 DEG C；The preferable temperature of two level preheating is 85 DEG C -95 DEG C, and preferably temperature is 90 DEG C.
Compared with prior art, technical solution of the present invention has the following advantages：Fiberglass pultrusion progressive solution of the present invention is pre-
Molding machine is positioned with method using two-stage preheating, yarn, it is ensured that and inside and outside curing degree is consistent, improves Resin Flow, with
Die cavity resistance is reduced, formed product degree and pultrusion speed are improved.The pre-shaping device and moulding technique of the present invention is suitable for
Produce the composite material section bar of various section configurations, such as stick, pipe, solid profile (such as flute profile, squared profile) and hollow section.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of progressive solution pre-shaping device of the present invention.
Fig. 2 is a kind of structural schematic diagram of fixedly connected part；
Fig. 3 is a kind of structural schematic diagram of threading board；
Fig. 4 is a kind of structural schematic diagram of yarn positioning plate.
Specific implementation mode
The specific technical solution of the present invention described further below, in order to which those skilled in the art is further understood that
The present invention, without constituting the limitation to its right.
Embodiment 1, referring to Fig.1, Fig. 2, a kind of fiberglass pultrusion progressive solution pre-shaping device, which includes by several
The supporting rack that supporting rod 1 forms, yarn direction is pressed on supporting rack and is installed with threading board 4, yarn positioning plate 5 successively
With pre-heated mould support plate 6, several holes 3 of entrying are distributed on the threading board 4 and yarn positioning plate 5；It is preheating
It is fixed with two level pre-heated mould 8 on mould support plate 6, level-one pre-heated mould 7 is installed on yarn positioning plate 5；
The device is additionally provided with fixedly connected part 2, and the fixedly connected part 2 includes the branch of fixed plate 21 and connection support fixed plate 21
Supporting rack is fixedly connected on molding die 10 by dagger 22 by fixedly connected part 2.
With reference to Fig. 2, the support column 22 is cylindrical pin with internal thread.It is equipped with connection through-hole 23 in fixed plate 21, passes through
Supporting rod 1 is connect by through-hole 23 with fixed plate 21, and achieve a fixed connection part 2 and supporting rack are fixedly connected.The supporting rod 1
It can be made of screw rod and several sleeves.
With reference to Fig. 3, the hole 3 of entrying on the threading board 4 is uniformly arranged；
With reference to Fig. 4, the hole 3 of entrying on the yarn positioning plate 5 includes being located at the large yarn hole at middle part and being located at large yarn hole surrounding
Several small yarn holes group.
Referring to Fig.1, the interior chamber size of the level-one pre-heated mould 7 is less than the interior chamber size of two level pre-heated mould 8,
Fiber volume fraction is 50% in two die cavitys.The mold of the level-one pre-heated mould 7, two level pre-heated mould 8 enters
Mouth and outlet fillet R15mm.
The heading-length of the level-one pre-heated mould 7, two level pre-heated mould 8 is 10cm.The level-one is pre-
Heating mould 7 and two level pre-heated mould 8 are mounted on several thermometer holes 9, and wherein at least one is used for controlling heating, at least
One is used for demarcating temperature.
The distance between the level-one pre-heated mould 7, two level pre-heated mould 8 are 10cm；Two level pre-heated mould 8
The die length that enters apart from molding die 10 is 5cm；Length of the level-one pre-heated mould 7 apart from threading board 4 is
50cm。
Embodiment 2, the interior chamber size of the level-one pre-heated mould 7 are less than the interior chamber size of two level pre-heated mould 8,
Fiber volume fraction is 65% in two die cavitys.The mold of the level-one pre-heated mould 7, two level pre-heated mould 8 enters
Mouth is more than R20mm with outlet fillet.
The heading-length of the level-one pre-heated mould 7, two level pre-heated mould 8 is 20cm.The level-one is pre-
Heating mould 7 and two level pre-heated mould 8 are mounted on several thermometer holes 9, and wherein at least one is used for controlling heating, at least
One is used for demarcating temperature.
The distance between the level-one pre-heated mould 7, two level pre-heated mould 8 are 20cm；Two level pre-heated mould 8
The die length that enters apart from molding die 10 is 10cm；Length of the level-one pre-heated mould 7 apart from threading board 8 is
80cm。
Remaining is same as Example 1.
Embodiment 3, a kind of fiberglass pultrusion progressive solution preformation method, this method use the glass described in embodiment 1 or 2
Glass steel pultrusion progressive solution pre-shaping device, its step are as follows：The yarn of resin adhesive liquid is infiltrated by threading board 4, from threading board
Middle section yarn enters level-one pre-heated mould 7 and carries out level-one preheating at 100 DEG C on 4, and outer layer yarn is positioned by yarn
Two level preheating is carried out at 90 DEG C into two level pre-heated mould 8 together with the yarn of middle section after the hole positioning of entrying of plate 5, it is complete
It is preforming at progressive solution；Then all yarns enter molding die 10, final curing molding.
Claims (10)
1. a kind of fiberglass pultrusion progressive solution pre-shaping device, it is characterised in that：The device includes being made of several supporting rods
Supporting rack, yarn direction is pressed on supporting rack and is installed with threading board, yarn positioning plate and pre-heated mould branch successively
Several holes of entrying are distributed on fagging, the threading board and yarn positioning plate；It is fixed in pre-heated mould support plate
Two level pre-heated mould is installed with level-one pre-heated mould on yarn positioning plate；The device is additionally provided with fixedly connected part,
The fixedly connected part includes the support column of fixed plate and connection support fixed plate, is fixed supporting rack by fixedly connected part
It is connected on molding die.
2. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：The branch
Dagger is cylindrical pin with internal thread；The supporting rod is made of screw rod and several sleeves.
3. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：In fixed plate
It is equipped with connection through-hole, is connect supporting rod with fixed plate by through-hole, achieve a fixed connection part and supporting rack are fixedly connected.
4. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：Described wears
Hole of entrying on yarn plate is uniformly arranged；Hole of entrying on the yarn positioning plate includes being located at the large yarn hole at middle part and being located at big
Several small yarn holes group of yarn hole surrounding.
5. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：Described one
The interior chamber size of grade pre-heated mould is less than the interior chamber size of two level pre-heated mould, and fiber volume fraction is in two die cavitys
50%-65%。
6. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：Described one
Grade pre-heated mould, the die entrance of two level pre-heated mould and outlet fillet are R10 mm-R20mm.
7. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：Described one
Grade pre-heated mould, two level pre-heated mould heading-length be 10 cm -20cm.
8. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：Described one
Grade pre-heated mould and two level pre-heated mould are mounted on several thermometer holes, and wherein at least one is used for controlling heating, until
Few one is used for demarcating temperature.
9. a kind of fiberglass pultrusion progressive solution pre-shaping device according to claim 1, it is characterised in that：Described one
The distance between grade pre-heated mould, two level pre-heated mould L3 is 10 cm -20cm；Two level pre-heated mould is apart from shaping mould
The die length L1 that enters of tool is 5 cm -10cm；Length L4 of the level-one pre-heated mould apart from threading board is 50 cm-
80cm。
10. a kind of fiberglass pultrusion progressive solution preformation method, it is characterised in that：This method use is according to claim 1-9
Any one of described in fiberglass pultrusion progressive solution pre-shaping device, its step are as follows：The yarn for infiltrating resin adhesive liquid is logical
Threading board is crossed, middle section yarn enters level-one pre-heated mould and carries out level-one preheating at 80 DEG C -120 DEG C from threading board,
Enter two level pre-heated mould 80 together with the yarn of middle section after the hole positioning of entrying that outer layer yarn passes through yarn positioning plate
Two level preheating is carried out at DEG C -100 DEG C, and it is preforming to complete progressive solution；Then all yarns enter molding die, final curing at
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344183.7A CN108327319A (en) | 2018-04-17 | 2018-04-17 | A kind of fiberglass pultrusion progressive solution pre-shaping device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344183.7A CN108327319A (en) | 2018-04-17 | 2018-04-17 | A kind of fiberglass pultrusion progressive solution pre-shaping device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108327319A true CN108327319A (en) | 2018-07-27 |
Family
ID=62933156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810344183.7A Pending CN108327319A (en) | 2018-04-17 | 2018-04-17 | A kind of fiberglass pultrusion progressive solution pre-shaping device and method |
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| Country | Link |
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| CN (1) | CN108327319A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103490A (en) * | 2019-04-26 | 2019-08-09 | 中复碳芯电缆科技有限公司 | The fiber preheating apparatus of pultrusion composite materials product and its pultrusion preheat method |
| CN110421873A (en) * | 2019-08-05 | 2019-11-08 | 株洲时代新材料科技股份有限公司 | A kind of preforming tooling of cable trough pultrusion and method |
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|---|---|---|---|---|
| US5840370A (en) * | 1996-05-02 | 1998-11-24 | Owens Corning Fiberglas Technology, Inc. | In-line processing of continous glass fibers with thermoset solution epoxy |
| CN102039681A (en) * | 2009-10-14 | 2011-05-04 | 西安联瑞科技实业有限责任公司 | System and process for manufacturing carbon fiber composite core of electric transmission line |
| CN102729364A (en) * | 2012-06-27 | 2012-10-17 | 上海交通大学 | Thermoplastic resin-base braiding composite material thermoforming mold structure |
| CN104851497A (en) * | 2015-05-19 | 2015-08-19 | 山东大学 | Three-layer concentric high-performance fiber composite material cable core rod and manufacturing method thereof |
| CN206636084U (en) * | 2017-04-05 | 2017-11-14 | 绍兴永昇新材料有限公司 | A kind of outer connector between banister and column |
| CN208324268U (en) * | 2018-04-17 | 2019-01-04 | 中复碳芯电缆科技有限公司 | A kind of glass reinforced plastic pultrusion progressive solution pre-shaping device |
-
2018
- 2018-04-17 CN CN201810344183.7A patent/CN108327319A/en active Pending
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|---|---|---|---|---|
| US5840370A (en) * | 1996-05-02 | 1998-11-24 | Owens Corning Fiberglas Technology, Inc. | In-line processing of continous glass fibers with thermoset solution epoxy |
| CN102039681A (en) * | 2009-10-14 | 2011-05-04 | 西安联瑞科技实业有限责任公司 | System and process for manufacturing carbon fiber composite core of electric transmission line |
| CN102729364A (en) * | 2012-06-27 | 2012-10-17 | 上海交通大学 | Thermoplastic resin-base braiding composite material thermoforming mold structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103490A (en) * | 2019-04-26 | 2019-08-09 | 中复碳芯电缆科技有限公司 | The fiber preheating apparatus of pultrusion composite materials product and its pultrusion preheat method |
| CN110421873A (en) * | 2019-08-05 | 2019-11-08 | 株洲时代新材料科技股份有限公司 | A kind of preforming tooling of cable trough pultrusion and method |
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