CN106915013A - A kind of mould for producing continuous fiber reinforced thermoplastic plastic - Google Patents
A kind of mould for producing continuous fiber reinforced thermoplastic plastic Download PDFInfo
- Publication number
- CN106915013A CN106915013A CN201710158187.1A CN201710158187A CN106915013A CN 106915013 A CN106915013 A CN 106915013A CN 201710158187 A CN201710158187 A CN 201710158187A CN 106915013 A CN106915013 A CN 106915013A
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- CN
- China
- Prior art keywords
- fiber
- wall
- mould
- continuous fiber
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011199 continuous fiber reinforced thermoplastic Substances 0.000 title claims abstract description 15
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 103
- 239000006185 dispersion Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 229920001431 Long-fiber-reinforced thermoplastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 238000000626 liquid-phase infiltration Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009736 wetting Methods 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of mould for producing continuous fiber reinforced thermoplastic plastic, continuous fiber yarn beam feeds from left mould wall and is discharged from right mould wall；Die cavity includes being parallel to each other between two fiber dispersion blocks, and two fiber dispersion blocks, is parallel to each other or is not parallel to each other between every group of fiber dispersion built with fiber dispersion more than two, every group of fiber dispersion；Continuous fiber yarn beam is from left to right in contact with the fiber dispersion block being sequentially arranged, and continuous fiber yarn beam and the contact surface of fiber dispersion block are the face of cylinder, and the vertical direction between the axis direction on the face of cylinder and forward and backward die wall is in 0~25 ° of angle；Each fiber being distributed in the width direction of continuous fiber yarn beam walked in die cavity process length it is identical, will not gather when each fiber is by die cavity.Invention increases the dispersion width of continuous fiber yarn beam, make the time of adjacent fiber bending different, improve fiber dispersion efficiency, reduce the situation of silvalin beam fracture, improve the quality of production.
Description
Technical field：
The present invention relates to field of die equipment, more particularly to a kind of production continuous fiber reinforced thermoplastic plastic
Mould.
Background technology：
A kind of high performance material of Long-fiber-reinforced thermoplastics, is that the replacement of traditional short fiber reinforced plastics is produced
Product, compared with the latter, mechanical property can improve 30~300%.
The conventional production process of Long-fiber-reinforced thermoplastics is：Continuous reinforcing fiber yarn beam is by an infiltration mould
Tool, converges and is infiltrated by resin inside die cavity with the molten resin from extruder, and the grain of certain length is cut into after depanning
Material, its fiber is that continuous, used reinforcing fiber can be glass fibre or carbon fiber etc. along pellet length direction, using this
Planting technique can also produce thermoplastic bar, band, section bar of continuous lod etc..
In order to allow resin to be thoroughly impregnated all of fiber, a series of pins vertical with silvalin are transversely mounted in usual die cavity
Nail, by bending repeatedly when fibre bundle passes through, makes yarn beam launch on pin, is easy to resin to enter single fiber.But prior art
Fiber spreading width is small, it is necessary to multiple pins can be only achieved effect.And bending times it is excessive when fiber stress it is excessive, it is easy to it is disconnected
Split, cause to shut down.
In order to improve the dispersion effect of silvalin beam, bending number of times is reduced, some moulds are using cydariform or the pin of cone
Nail, to allow yarn beam spreading to obtain wider.But because being differed along the horizontal flow channel length of silvalin beam, when ripple occurs in mould cavity pressure
Yarn beam often gathers the most short position of flow channel length when dynamic, and yarn Shu Jiju is caused on the contrary together.
The content of the invention：
The purpose of the present invention is directed to the deficiencies in the prior art part, there is provided one kind production continuous fiber reinforced thermoplastic modeling
The mould of material, the contact surface of continuous fiber yarn beam and fiber dispersion is the face of cylinder, and the axis direction on the face of cylinder and continuous fibre
Dimension yarn beam bevel arrangement, increases the dispersion width of continuous fiber yarn beam, makes the time of adjacent fiber bending different, improves
Fiber dispersion efficiency, so as to reduce the situation of silvalin beam fracture, improves the quality of production.
Technology solution of the invention is as follows：
A kind of mould for producing continuous fiber reinforced thermoplastic plastic, including upper bolster and die shoe, upper bolster and lower mould
Left and right, front and rear die wall, shape between upper bolster, die shoe, left mould wall, right mould wall, preceding die wall and rear die wall are equiped between seat
Into die cavity, continuous fiber yarn beam feeds from left mould wall and is discharged from right mould wall；Fiber more than two point is equiped with the die cavity
A prose style free from parallelism, every group of fiber dispersion includes being parallel to each other between two fiber dispersion blocks, and two fiber dispersion blocks, every group of fiber point
It is parallel to each other between a prose style free from parallelism or is not parallel to each other；Continuous fiber yarn beam from left to right connects with the fiber dispersion block being sequentially arranged
Touch, and the contact surface of continuous fiber yarn beam and fiber dispersion block is the face of cylinder, and the axis direction on the face of cylinder and forward and backward die wall it
Between vertical direction be in certain angle, the angle of angle is 0~25 °；The distribution in the width direction of the continuous fiber yarn beam
Each fiber walked in die cavity process length it is identical, when each fiber sequentially passes through the fiber dispersion block in die cavity, respectively
Will not gather between root fiber.
Preferably, the fiber dispersion block is pin, pin is installed between preceding die wall and rear die wall.
Preferably, the fiber dispersion block is slant edge rod structure, and slant edge rod structure is provided with and continuous fiber yarn beam
The face of cylinder being in contact, slant edge rod structure is installed in die wall downside or lower die wall upside.
Preferably, the pin quantity installed between the preceding die wall and rear die wall is even number, it is four, six or eight
It is individual.
Preferably, the slant edge rod structure is integrally formed or slant edge rod structure and upper die wall with upper die wall or lower die wall
Or lower die wall is fixedly connected.
Preferably, the mode that the slant edge rod structure is fixedly connected with upper die wall or lower die wall has bolt to fix or weld
It is fixed.
Preferably, the slant edge rod structure between the upper die wall and lower die wall has even number, it is four, six or eight
It is individual.
Preferably, the left mould wall is provided with feeding-passage, right mould wall is provided with tapping channel.
The beneficial effects of the present invention are：
The contact surface of continuous fiber yarn beam of the invention and fiber dispersion is the face of cylinder, and the axis direction on the face of cylinder with
Continuous fiber yarn beam bevel arrangement, makes the contact surface of fiber dispersion with silvalin beam into an oblique angle, increases fibre bundle
Dispersion width；The time of adjacent fiber bending is different, therefore an angle has mutually been opened when by fiber dispersion.
This angle is although small, and the effect to promoting infiltration is but very big, because the process of fluid wetting exposed surface is instantaneous completion
's.
In order to ensure side that silvalin beam sprawled without concentrating on oblique angle along the axis on the face of cylinder, it is necessary to allow along width side
To distribution each fiber walked in die cavity process length it is identical.This can be by pairs using fiber dispersion come real
It is existing, such as it is farthest from second pin from first nearest position of pin, so as to eliminate the length difference of direction of travel.
Brief description of the drawings：
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is one of structural representation of embodiments of the invention one；
Fig. 2 is the two of the structural representation of embodiments of the invention one；
Fig. 3 is the principle schematic of embodiments of the invention one；
Fig. 4 is one of structural representation of embodiments of the invention two；
Fig. 5 is the two of the structural representation of embodiments of the invention two.
Symbol description in figure：101-upper bolster；102-die shoe；103-left mould wall；104-right mould wall；105-preceding
Die wall；106-rear die wall；10-die cavity；12-feeding-passage；13-tapping channel；3a, 3b, 3c, 3d-pin；3a ',
3b ', 3c ', 3d '-slant edge rod structure；20-continuous fiber yarn beam.
Specific embodiment：
Embodiment one, is shown in accompanying drawing 1~3, a kind of mould for producing continuous fiber reinforced thermoplastic plastic, including upper bolster
101 and die shoe 102, left and right, front and rear die wall 103,104,105 and 106 is equiped between upper bolster and die shoe, it is described
Die cavity 10 is formed between upper bolster, die shoe, left mould wall, right mould wall, preceding die wall and rear die wall, it is logical that left mould wall is provided with charging
Road, right mould wall is provided with tapping channel, and continuous fiber yarn beam feeds from left mould wall and discharged from right mould wall；The preceding die wall is with after
Two groups of fiber dispersions are equiped between die wall, every group of fiber dispersion includes two fiber dispersion blocks, and fiber dispersion block is pin
It is parallel to each other between nail, and two fiber dispersion blocks in every group, is parallel to each other between every group of fiber dispersion or mutually uneven
OK；In the present embodiment, two groups of fiber dispersions totally four pins, four pins are all parallel to each other, continuous fiber yarn beam from a left side to
The right side is in contact with the fiber dispersion block being sequentially arranged, and continuous fiber yarn beam and the contact surface of fiber dispersion block are the face of cylinder, and
Vertical direction between the axis direction on the face of cylinder and forward and backward die wall is in certain angle, and the angle of angle is 10 °；The company
Each fiber being distributed in the width direction of continuous silvalin beam walked in die cavity process length it is identical, each fiber is passed through successively
After the fiber dispersion block crossed in die cavity, will not gather between each fiber.
The operation principle of embodiment one：Extruder is injected by the runner of mould side or top and bottom in die cavity during work
The resin of fusing, complete structure is typically put into practice referring to industry.Continuous fiber yarn beam 20 enters die cavity from feeding-passage 12, successively
By 4 transversely arranged pin 3a, 3b, 3c, 3d, finally pulled out from tapping channel 13, i.e., continuous fiber yarn beam 20 successively from
The top of the bottom of pin 3a, the top of pin 3b, the bottom of pin 3c and pin 3d bypasses, and is pulled out from tapping channel 13.
As shown in Fig. 2 pin 3a, 3b, 3c, 3d is transversely arranged in parallel, but every group of axis of pin and continuous fiber yarn beam out of plumb
But have a certain degree.Thus the time that adjacent longitudinal fibre single thread that continuous fiber yarn beam 20 is included bends on pin
Difference, promotes mutual dispersion, and scattered principle can be illustrated by Fig. 3.
In Fig. 3, the single fiber 21 and 22 of original synchronous walking arranged in parallel when by with its inclined edge 39, because
The priority of bending is different, so as to launch to form the passage of resin melt infiltration at an angle in the annex of edge 39.Meanwhile, it is fine
The width for tieing up distribution also becomes an oblique line, increases spreading width.In the case of only pin 3a, continuous fiber yarn beam meeting
Slided to pin 3a that ends near apart from feeding-passage 12, cause to pile up, but by after the pin 3d parallel with 3a, slip
Trend is just conversely, thus along any position of length of pin, the distance of continuous fiber yarn beam walking is identical, it is therefore prevented that yarn beam to
Pile up certain side.
Embodiment two, is shown in attached Figure 4 and 5, including upper bolster and die shoe, be equiped between upper bolster and die shoe it is left and right,
Front and rear die wall, forms die cavity 10, left mould between the upper bolster, die shoe, left mould wall, right mould wall, preceding die wall and rear die wall
Wall is provided with feeding-passage, and right mould wall is provided with tapping channel, and continuous fiber yarn beam feeds from left mould wall and discharged from right mould wall；
Fiber dispersion block is 4 groups of slant edge rod structures 3a ', 3b ', 3c ', 3d ', and every group of slant edge rod structure be provided with and continuous fiber yarn beam
The face of cylinder being in contact, upper die wall downside is equiped with two groups of slant edge rod structures, and lower die wall upside is also equiped with two groups of oblique prism knots
Structure, continuous fiber yarn beam is from left to right in contact with 4 groups of slant edge rod structures successively, 4 groups of slant edge rod structures 3a ', 3b ', 3c ', 3d '
Working face (with continuous fiber yarn beam contact surface) keep with 3a in embodiment one, 3b, 3c, the 3d same face of cylinder and inclination angle
Degree, its lap of slant edge rod structure is fitted with die cavity wall, constitutes a part for die cavity, and non-working surface expands to plane and constitutes stream
The part in road, present embodiment reduces the slow region of melt flow rate, reduces the resin residence time at high temperature.
4 groups of slant edge rod structures 3a ', 3b ', 3c ', 3d ' is fixed in die cavity wall 11 after individually processing, and fixed form is fixed for bolt.
Above-described embodiment is the specific descriptions carried out to the present invention, and simply the present invention is further described, it is impossible to managed
It is limiting the scope of the present invention to solve, and it is nonessential that those skilled in the art makes some according to the content of foregoing invention
Modifications and adaptations are each fallen within protection scope of the present invention.
Claims (8)
1. a kind of mould for producing continuous fiber reinforced thermoplastic plastic, including upper bolster and die shoe, upper bolster and die shoe
Between be equiped with left and right, front and rear die wall, between upper bolster, die shoe, left mould wall, right mould wall, preceding die wall and rear die wall formed
Die cavity, it is characterised in that：Continuous fiber yarn beam feeds from left mould wall and is discharged from right mould wall；Be equiped with the die cavity two groups with
Upper fiber dispersion, every group of fiber dispersion includes being parallel to each other between two fiber dispersion blocks, and two fiber dispersion blocks, often
It is parallel to each other or is not parallel to each other between group fiber dispersion；Continuous fiber yarn beam from left to right disperses with the fiber being sequentially arranged
Block is in contact, and the contact surface of continuous fiber yarn beam and fiber dispersion block is the face of cylinder, and the axis direction on the face of cylinder with it is forward and backward
Vertical direction between die wall is in certain angle, and the angle of angle is 0~25 °；The continuous fiber yarn beam along width side
To each fiber of distribution walked in die cavity process length it is identical, each fiber sequentially passes through the fiber dispersion block in die cavity
When, will not gather between each fiber.
2. a kind of mould for producing continuous fiber reinforced thermoplastic plastic according to claim 1, it is characterised in that：It is described
Fiber dispersion block is pin, and pin is installed between preceding die wall and rear die wall.
3. a kind of mould for producing continuous fiber reinforced thermoplastic plastic according to claim 1, it is characterised in that：It is described
Fiber dispersion block is slant edge rod structure, and slant edge rod structure is provided with the face of cylinder being in contact with continuous fiber yarn beam, oblique prism
Structure is installed in die wall downside or lower die wall upside.
4. a kind of mould for producing continuous fiber reinforced thermoplastic plastic according to claim 2, it is characterised in that：It is described
The pin quantity installed between preceding die wall and rear die wall is even number, is four, six or eight.
5. a kind of mould for producing continuous fiber reinforced thermoplastic plastic according to claim 3, it is characterised in that：It is described
Slant edge rod structure is integrally formed with upper die wall or lower die wall or slant edge rod structure is fixedly connected with upper die wall or lower die wall.
6. a kind of mould for producing continuous fiber reinforced thermoplastic plastic according to claim 5, it is characterised in that：It is described
The mode that slant edge rod structure is fixedly connected with upper die wall or lower die wall has bolt to fix or be welded and fixed.
7. a kind of mould for producing continuous fiber reinforced thermoplastic plastic according to claim 3, it is characterised in that：It is described
Slant edge rod structure between upper die wall and lower die wall has even number, is four, six or eight.
8. a kind of mould for producing continuous fiber reinforced thermoplastic plastic according to claim 1, it is characterised in that：It is described
Left mould wall is provided with feeding-passage, and right mould wall is provided with tapping channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158187.1A CN106915013A (en) | 2017-03-16 | 2017-03-16 | A kind of mould for producing continuous fiber reinforced thermoplastic plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158187.1A CN106915013A (en) | 2017-03-16 | 2017-03-16 | A kind of mould for producing continuous fiber reinforced thermoplastic plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106915013A true CN106915013A (en) | 2017-07-04 |
Family
ID=59461301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710158187.1A Pending CN106915013A (en) | 2017-03-16 | 2017-03-16 | A kind of mould for producing continuous fiber reinforced thermoplastic plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106915013A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350082A (en) * | 2000-09-01 | 2002-05-22 | 尤妮佳股份有限公司 | Continuous filament-yarn opening method and apparatus thereof |
| CN101439586A (en) * | 2008-12-18 | 2009-05-27 | 李长城 | Method for manufacturing continuous fiber reinforced plastic pre-impregnated material and used impregnation mold thereof |
| CN104210118A (en) * | 2013-05-30 | 2014-12-17 | 李芳丽 | Yarn guide bar for untying carbon fiber bundles and application thereof |
| CN205075369U (en) * | 2015-11-11 | 2016-03-09 | 成都鲁晨新材料科技有限公司 | Double -deck accurate exhibition yarn device |
| CN106378881A (en) * | 2016-08-30 | 2017-02-08 | 浙江成如旦新能源科技有限公司 | High-performance fiber axial fabric and production method thereof |
| CN106426982A (en) * | 2016-11-02 | 2017-02-22 | 上海复合材料科技有限公司 | Spinning nozzle structure for wet molding process of prepreg and using method thereof |
| CN206748851U (en) * | 2017-03-16 | 2017-12-15 | 湖州艾历克工业材料有限公司 | A kind of mould for producing continuous fiber reinforced thermoplastic plastic |
-
2017
- 2017-03-16 CN CN201710158187.1A patent/CN106915013A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350082A (en) * | 2000-09-01 | 2002-05-22 | 尤妮佳股份有限公司 | Continuous filament-yarn opening method and apparatus thereof |
| CN101439586A (en) * | 2008-12-18 | 2009-05-27 | 李长城 | Method for manufacturing continuous fiber reinforced plastic pre-impregnated material and used impregnation mold thereof |
| CN104210118A (en) * | 2013-05-30 | 2014-12-17 | 李芳丽 | Yarn guide bar for untying carbon fiber bundles and application thereof |
| CN205075369U (en) * | 2015-11-11 | 2016-03-09 | 成都鲁晨新材料科技有限公司 | Double -deck accurate exhibition yarn device |
| CN106378881A (en) * | 2016-08-30 | 2017-02-08 | 浙江成如旦新能源科技有限公司 | High-performance fiber axial fabric and production method thereof |
| CN106426982A (en) * | 2016-11-02 | 2017-02-22 | 上海复合材料科技有限公司 | Spinning nozzle structure for wet molding process of prepreg and using method thereof |
| CN206748851U (en) * | 2017-03-16 | 2017-12-15 | 湖州艾历克工业材料有限公司 | A kind of mould for producing continuous fiber reinforced thermoplastic plastic |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170704 |
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