CN106945222A - The forming method and mould of carbon fiber composite material article - Google Patents
The forming method and mould of carbon fiber composite material article Download PDFInfo
- Publication number
- CN106945222A CN106945222A CN201610008046.7A CN201610008046A CN106945222A CN 106945222 A CN106945222 A CN 106945222A CN 201610008046 A CN201610008046 A CN 201610008046A CN 106945222 A CN106945222 A CN 106945222A
- Authority
- CN
- China
- Prior art keywords
- mould
- runner
- sliding block
- carbon fiber
- composite material
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 84
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 47
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 37
- 229910052799 carbon Inorganic materials 0.000 claims description 37
- 239000000835 fiber Substances 0.000 claims description 37
- 239000003292 glue Substances 0.000 claims description 30
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003786 synthesis reaction 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0005—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fibre reinforcements
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Abstract
The forming method and mould of a kind of carbon fiber composite material article, mould used includes cover half component, dynamic model component, running gate system and ejecting mechanism, and the forming cavity for being molded carbon fiber composite material article is formed between the cover half component and dynamic model component；The cover half component includes the fixed clamping plate and runner plate being linked in sequence；The running gate system includes：Sprue bush, the sprue bush is fixed on the fixed clamping plate；Multiple main runners and multiple runners；Wherein the multiple main runner and the multiple runner are located on the runner plate respectively；Each main runner is connected with the sprue bush respectively；The multiple runner is respectively communicated with one of them main runner；Multiple cast gates being connected with the forming cavity；Wherein, each described runner has been respectively communicated with a cast gate, and the sprue bush is also communicated with a cast gate.
Description
Technical field
The present invention relates to the forming method and mould of carbon fibre composite processing technology of preparing, more particularly to a kind of carbon fiber composite material article.
Background technology
Major part product uses makrolon at present（PC）And polyacrylonitrile（ABS）The engineering plastics of synthesis are made as raw material by injection moulding.Thicker using the possible thickness of product made from this kind of material, weight is intersected, and is easily deformed after shaping and electromagnetic wave shielding is poor.When being especially used in the production of articles in modern times, tend not to meet demand of the consumer to product.It can be molded that lighter, thinner, intensity is higher and mould and forming method of the more preferable product of electromagnetic wave shielding accordingly, it would be desirable to a kind of, to obtain more excellent product.The product for meeting the demand can be produced as injection raw material using carbon fibre composite；However, because the mobility of carbon fibre composite is bad so that the product produced tends not to meet quality requirement, using less in the injection moulding of product.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, the forming method and mould of a kind of carbon fiber composite material article are provided, can effectively it solve the above problems, obtained light weight, thickness of thin, intensity are high, electromagnetic wave shielding is good and the measured carbon fiber composite material article of matter.
A kind of forming method for carbon fiber composite material article for adopting mould that the present invention is provided, comprises the following steps：
S1, under preset temperature toast carbon fibre composite；
S2, the mould provided with multiple glue inlet tubes is locked on injection machine with presetting clamp force；
S3, with presetting heating-up temperature mould is heated and is incubated；
S4, the technological parameter for adjusting injection machine, and by forming cavity of the carbon fibre composite by injection machine injection moulding mould after step S1 processing, the forming process of product is completed by way of multiple glue inlet tubes use Multi-spot pouring；
S5, mould mold and eject carbon fiber composite material article.
The present invention provides a kind of mould of carbon fiber composite material article, including cover half component, dynamic model component and running gate system, and the forming cavity for being molded carbon fiber composite material article is formed between the cover half component and the dynamic model component；
The cover half component includes the fixed clamping plate and runner plate being linked in sequence, also ejection base plate, retaining plate and solid plate including being linked in sequence；Wherein, the ejection base plate is connected with the runner plate；
The dynamic model component includes the moving platen and moving clamping plate being linked in sequence；The distance between wherein described moving clamping plate and the cover half component are more than the distance between the moving platen and described cover half component；
The running gate system includes：
Set is fixed on the sprue bush on the fixed clamping plate；
Multiple main runners and multiple runners；Wherein the multiple main runner and the multiple runner are located on the runner plate respectively；Each main runner is connected with the sprue bush respectively；The multiple runner is respectively communicated with one of them main runner；
Multiple cast gates being connected with the forming cavity；Wherein, each described runner has been respectively communicated with a cast gate, and the sprue bush is also communicated with a cast gate.
In the mould of above-mentioned carbon fiber composite material article, also include：Deduction mechanism, the deduction mechanism includes deduction and sliding part；The deduction side is fixed on the ejection base plate, and the opposite side of the deduction is fixed on moving clamping plate；And chute is formed with the deduction, the sliding part is through the chute and is fixed on the moving platen, and the sliding part may move in the chute.
In the mould of above-mentioned carbon fiber composite material article, the multiple main runner is distributed on the central crossbar of the runner plate, and the diagonal with carbon fiber composite material article is parallel to each other respectively.
In the mould of above-mentioned carbon fiber composite material article, the running gate system also includes multiple glue inlet tubes；The glue inlet tube extends perpendicular to the runner plate, and along towards the direction of the dynamic model component；Wherein, runner is respectively correspondingly fixedly connected with a glue inlet tube each time, and the sprue bush is also associated with a glue inlet tube；The multiple glue inlet tube is connected with the corresponding cast gate respectively；The cast gate is between spot pouring mouth, and a diameter of 0.5 ~ 1.5mm of the spot pouring mouth.
In the mould of above-mentioned carbon fiber composite material article, the running gate system also includes multiple support blocks；The multiple support block is separately fixed on the ejection base plate；Worn in each support block and be fixed with least one described glue inlet tube.
In the mould of above-mentioned carbon fiber composite material article, the ejecting mechanism includes at least one Slanted ejecting component；The Slanted ejecting component includes：Oblique top and inclined top guide block；The inclined top guide block is fixed on the retaining plate；And the side being in contact on the inclined top guide block with the oblique top is formed with gathering sill；The side of the oblique top is movably limited in the gathering sill；The opposite side of the oblique top is connected with the product.
In the mould of above-mentioned carbon fiber composite material article, the ejecting mechanism includes at least one slide block assembly；Each slide block assembly includes sliding block positioning seat, sliding block, Angle Pin and two SLIDE GUIDEs；The sliding block positioning seat is fixed on the moving platen；And be formed with the side of the sliding block positioning seat for the limiting section spacing to the sliding block；The Angle Pin is located in the sliding block positioning seat and formed on the side of the limiting section, and partial denudation is outside the sliding block positioning seat；The inclined guide groove being engaged with the exposed part on the outside of the sliding block positioning seat of the Angle Pin is further opened with the sliding block；In matched moulds, the Angle Pin through the sliding block positioning seat is inserted into the inclined guide groove of the sliding block, and the side of the sliding block and the limiting section of the sliding block positioning seat lean；Two SLIDE GUIDEs are separately fixed on the solid plate, and are oppositely arranged on the sliding block both sides；The plane slided for the sliding block is also formed between described two SLIDE GUIDEs.
Implement the forming method and mould of the carbon fiber composite material article of the present invention, its advantage is：Injection moulding is carried out to carbon fibre composite to obtain product by using the mode of Multi-spot pouring, and product is stripped by the way of twice-die-opening, enabling the good carbon fiber composite material article of production mass；Further, since the mould has the ejecting mechanism for including oblique top and sliding block so that can successfully depart from knockout course from the structures such as the back-off and side opening of product, improve the production efficiency and Forming Quality of product.Because the present invention is molded using carbon fibre composite as raw material, the thickness of obtained product can effectively be reduced, and mitigate its weight, and obtained product has good electromagnetic wave shielding, and higher intensity, it is particularly suitable for use in manufacturing notebook computer casing, and disclosure satisfy that demand of the consumer to notebook computer casing.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the carbon fiber composite material article in one embodiment of the invention；
Fig. 2 is the forming die structure half sectional view of the carbon fiber composite material article in one embodiment of the invention；
Fig. 3 is the part-structure schematic diagram of cover half component in Fig. 2；
Fig. 4 is the structural representation of the running gate system in the embodiment of mould one of the present invention；
Fig. 5 is the running gate system in the embodiment of mould one of the present invention（Remove sprue bush）Structural representation；
Fig. 6 is the structural representation of Slanted ejecting component in the embodiment of mould one of the present invention and product；
Fig. 7 is the structural representation of slide block assembly in the embodiment of mould one of the present invention and product；
Fig. 8 is the structure sectional view of slide block assembly in the embodiment of mould one of the present invention and product；
Fig. 9 is the forming method flow chart of the carbon fiber composite material article in the embodiment of mould one of the present invention.
Embodiment
In order that the purpose of the present invention, technical scheme and advantage are more clearly understood, below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, it is not intended to limit the present invention.
Reference picture 1, is the structural representation of the carbon fiber composite material article in one embodiment of the invention.In the present embodiment, the product 1 is notebook computer casing.Wherein, the product 1 includes housing 11 and the assembling structure 12 on housing 11（Such as back-off, side opening）.Housing 11 and assembling structure 12 are made by carbon fibre composite by way of injection.Wherein, because carbon fibre composite has excellent electricity and mechanical property, therefore, product is prepared using carbon fibre composite can effectively be thinned the thickness of product, mitigate the weight of product, and the advantages of intensity is high, electromagnetic wave shielding is good is provided simultaneously with, it is particularly suitable for use in manufacturing the frivolous product of the pursuit such as notebook computer casing.
Below exemplified by preparing the product of the notebook computer casing in Fig. 1, illustrate the concrete structure of the mould of the carbon fiber composite material article of the present invention.
Fig. 2 and Fig. 3 show the structural representation of the mould of carbon fibre composite notebook computer casing.Reference picture 2, the mould 2 at least includes：Cover half component 21, dynamic model component 22, running gate system 24（Referring to Fig. 5）, deduction mechanism 23 and ejecting mechanism（Including the slide block assembly 27 in the thimble 25 in Fig. 4, the Slanted ejecting component 26 and Fig. 7 in Fig. 6）.
Referring in particular to Fig. 2, cover half component 21 and dynamic model component 22 are oppositely arranged, and the forming cavity formed between the two in injection mold；The forming cavity is adapted with the shapes and sizes of the carbon fiber composite material article of required shaping.Cover half component 21 is mainly including being linked in sequence with lower component：Fixed clamping plate 211, runner plate 212, water gap plate 213, ejection base plate 214, retaining plate 215 and solid plate 217.Wherein, the distance between fixed clamping plate 211 and dynamic model component 22 are more than the distance between solid plate 217 and dynamic model component 22.Wherein, such as screw of runner plate 212 is fixed mode and is fixedly connected with fixed clamping plate 211, for the carbon fibre composite of injection to be respectively fed in each cast gate by the runner plate 212.Water gap plate 213 again may be by such as screw fixation mode and is fixedly connected with runner plate 212, mutually disconnect regrinding-material with product during for being stripped after shaping.Ejection base plate 214 is arranged on water gap plate 213, and removable relative to water gap plate 213 when mould 2 is molded.Retaining plate 215 is fixed on ejection base plate 214 by modes such as such as screw fixations, and each side of retaining plate 215 aligns with ejecting the respective side of base plate 214 respectively.
In an embodiment of the present invention, at least two square iron 216 can also be set on cover half component 21, the thickness for increasing mould.At least two square iron 216 are arranged on water gap plate 213, and adjacent with ejection base plate 214.Specifically according to Fig. 2 and Fig. 3, in the present embodiment, the length of base plate 214 and the equal length of water gap plate 213, but width of the width less than water gap plate 213 of ejection base plate 214 are ejected.Therefore, it is formed with emplacing platform between respective side wall on the relative two side that extends along its length of ejection base plate 214 and water gap plate 213（Non- label）.At least two square iron 216 are located on the emplacing platform respectively, and adjacent with ejection base plate 214 and retaining plate 215 respectively.Solid plate 217 is fixed on two tops of square iron 216.
With further reference to Fig. 2, the side away from runner plate 212 is further opened with the mounting hole installed for the sprue bush 241 of running gate system 24 on fixed clamping plate 211（It is not shown）.Sprue bush 241 is inserted into mounting hole, for carbon fibre composite to be introduced in mould 2 by sprue bush 241.
In addition, cover half component 21 also includes the unshowned fixed mold of accompanying drawing, core mold insert and cooling system etc..Wherein, in one embodiment of the invention, the mould can set 2 fixed molds and 76 core mold inserts.And cooling system can use the form of many cooling circuits, such as can include cooling water channel, cooling well.Preferably, it can also be sealed in the mould using O-ring seals, the structure such as block up.Wherein, the quantity and structure and form of above-mentioned fixed mold, core mold insert and cooling system each depend on the specific shape of product to be produced, and belong to prior art, and here is omitted.
With further reference to Fig. 2, dynamic model component 22 mainly includes the moving clamping plate 221 and moving platen 222 being linked in sequence.The distance between moving clamping plate 221 and cover half component 21 are more than the distance between moving platen 222 and cover half component 21；And moving platen 222 is fixedly connected with moving clamping plate 221.In addition, moving platen 222 is oppositely arranged with solid plate 217, and forms forming cavity between moving platen 222 and solid plate 217, the forming cavity is adapted with the shapes and sizes of the carbon fiber composite material article of required shaping.In addition, according to the shape of specific product, dynamic mould core is also correspondingly provided with dynamic model component 22, the number of the dynamic mould core is 1 in the present embodiment.Wherein, dynamic mould core belongs to prior art, and here is omitted.
When needing to manufacture the frivolous carbon fiber composite material article of thickness, in order to realize that product is preferably stripped, and then the quality of obtained product is improved, the mode that twice-die-opening is employed in the present invention is molded.
Reference picture 2, specifically, in the present embodiment, twice-die-opening is realized by deduction mechanism 23.The both sides of deduction mechanism 23 are located on dynamic model component 22 and cover half component 21 respectively, and the die sinking that can efficiently control mould by deduction mechanism 23 sequentially, realizes twice-die-opening.
Specifically, the deduction mechanism 23 mainly includes deduction 231 and sliding part 232.Wherein, the side of deduction 231 is fixed on ejection base plate 214, and the opposite side of deduction 231 is fixed on moving clamping plate 221.Along the die sinking direction of dynamic model component 22 on deduction 231（Direction i.e. away from cover half component 21）It is formed with chute（Non- label）.Sliding part 232 is through chute and is fixed on moving platen 222, and sliding part 232 may move in chute.When proceeding by die sinking after the completion of injection, dynamic model component 22 is directed away from the direction movement of cover half component 21 under the drive of injection machine, and drives sliding part 232 to be moved along the direction that chute is directed away from cover half component 21, and realization is once molded；When sliding part 232 slides into chute end, under the drive of deduction 231, ejection base plate 214 is also directed away from the direction movement of cover half component 21, so as to realize twice-die-opening.
Preferably, in the present embodiment, deduction mechanism 23 also includes deduction fixture 233.Wherein, deduction 231 is fixed on ejection base plate 214 by deduction fixture 233.In the present embodiment, deduction fixture 233 and sliding part 232 are preferably fixed screw.Certainly, in other embodiments, deduction fixture 233 and sliding part 232 can also be fixed column or fixing bolt etc..
Fig. 4 and Fig. 5 show the structure of the running gate system 24 in one embodiment of the invention.Fig. 2 and Fig. 4 is combined in the lump, and running gate system 24 includes sprue bush 241, multiple main runners 242, multiple runners 243, multiple glue inlet tubes 244 and multiple cast gates 245.Wherein, sprue bush 241 is fixed on the mounting hole of fixed clamping plate 211 by modes such as such as screw fixations.
Wherein, multiple main runners 242 and secondary runner 243 are respectively positioned on runner plate 212（Referring to Fig. 2-3）On, and realized by digging out corresponding groove on runner plate 212.
Multiple main runners 242 are directly connected with sprue bush 241 respectively, and the carbon fibre composite of injection is shunted for receiving the carbon fibre composite entered from sprue bush 241 in mould 2, and along main shunting direction.Reference picture 5, in a specific embodiment of the invention, running gate system 24 includes two main runners 242, and two main runners 242 are connected with sprue bush 241 respectively.In order to realize the uniform cast to product 1, preferably, two main runners 242 are distributed on the central crossbar of runner plate 212, and are respectively parallel to two diagonal of product 1, so as to which in casting process, carbon fibre composite can quickly and evenly be full of the various pieces of die cavity.
Multiple runners 243 are connected with one of them main runner 242 respectively.In the embodiment shown in fig. 5, five runners 243 have been respectively communicated with each main runner 242, and five runners 243 are located at the both sides at the center of runner plate 212 respectively on each main runner 242；Specifically, on same main runner 242, three runners 243 are distributed with the side at the center of runner plate 212；And two runners 243 are then distributed with another side.
Each time runner 243 has been respectively fixedly connected with below multiple glue inlet tubes 244, and the center of sprue bush 241 and has been also associated with a glue inlet tube 244, and glue inlet tube 244 is used to travel further into cast gate for entering the carbon fibre composite of runner.Wherein, each glue inlet tube 244 extends perpendicular to runner plate 212, and along towards the direction of dynamic model component 22.And the end of each glue inlet tube 244 is also associated with a cast gate 245.Each cast gate 245 is connected into the forming cavity of mould 2 respectively.
By upper, carbon fibre composite is respectively enterd in forming cavity by the sprue bush 241 being sequentially communicated, main runner 242, secondary runner 243, glue inlet tube 244 and correspondence cast gate 245, so as to realize the cast of carbon fibre composite.Wherein, cast gate 245 is preferably spot pouring mouth, and the diameter of cast gate 245 is preferably between 0.5 ~ 1.5mm, to be more preferably 1mm.
In the mould of conventional product, glue is normally only entered using single-point（Only there is 1 spot pouring mouth）.And in the present invention, because the mobility of carbon fibre composite is bad, using carbon fibre composite as the phenomenon of misrun easily occurs during injected plastics material, have impact on the Forming Quality of carbon fiber composite material article；Therefore need to set multiple spot pouring mouths in the present invention.Referring to Fig. 4-5, especially for larger-size product, such as 14 cun notebook computer casings, due to this kind of product it is excessive, it is necessary to from it is multi-faceted enter traveling pour, therefore 11 spot pouring mouths are preferably provided with the present embodiment.Enable carbon fibre composite to be effectively full of forming cavity by using the modes for clicking through glue, it is thus possible to obtain the preferable product of quality more.Certainly, according to the difference of product size, the quantity of spot pouring mouth can also be other.
In addition, in order to realize time being fixedly connected between runner 243 and flow-path tube 244, multiple support blocks 246 are additionally provided with an embodiment of the present invention.Reference picture 3 and Fig. 5 in the lump, wherein, multiple support block mounting holes run through are offered respectively on ejection base plate 214 and retaining plate 215（Non- label）, support block 246 is separately mounted in corresponding support block mounting hole；Therefore support block 246 is fixed on ejection base plate 214.Worn respectively in each support block 246 and be fixed with least one above-mentioned glue inlet tube 244, for glue inlet tube 244 to be supported and fixed.
For the product 1 with multiple back-offs or side opening, in order to which the demoulding for realizing product is ejected, the ejector pin mechanism of its mould 2 is typically realized using multicompartments such as thimble, oblique top and sliding blocks.
The thimble 25 of ejecting mechanism has been shown in particular in above-mentioned Fig. 4-5.Wherein, thimble 25 is fixed on retaining plate 215.Wherein 11 thimbles 25 for corresponding respectively to each glue inlet tube 244 are illustrate only in figs. 4-5.However, according to one embodiment of the invention, in order to which ejection is better achieved, in addition to above-mentioned 11 thimbles 25, multiple thimbles 25 can also be distributed along the circumference of product.Wherein, in the embodiment for preparing 14 cun of notebook computer casing products, the quantity of thimble 25 is 24.Certainly, the quantity of the thimble depends on the shape of specific product, and is not limited to particular number proposed by the invention.
Fig. 6-8 shows the structural representation of the critical piece of ejecting mechanism in embodiment.Wherein, ejecting mechanism also includes at least one Slanted ejecting component 26 and at least one slide block assembly 27.Specifically, Fig. 6 shows the structural representation of one of Slanted ejecting component 26 of ejecting mechanism.As shown in fig. 6, Slanted ejecting component 26 includes oblique top 261, inclined top guide block 262 and oblique top fixture 263.The side being in contact on inclined top guide block 262 with oblique top 261 is formed with gathering sill（Non- label）.The side shape of oblique top 261 is adapted with the shape of gathering sill, and is limited in the gathering sill；And oblique top 261 may move in gathering sill.The opposite side of oblique top 261 is connected with the back-off structure of product 1.Preferably, in one embodiment of the invention, the gathering sill is T-slot.Further, retaining plate 215（Reference picture 3）On offer it is multiple with inclined top guide block cross section projection of shape identical hole（Non- label）.Inclined top guide block 262 is arranged in the hole on retaining plate 215, and by make it that inclined top guide block 262 is fixed on retaining plate 215 from insertion oblique top fixture 263 on ejection base plate 214.Preferably, the oblique top fixture 263 is preferably fixed screw, fixing bolt etc..
After injection, pressurize and the cooling procedure of notebook computer casing to be done, mould starts die sinking, and the direction that injection machine drives dynamic model component 22 to be directed away from cover half component 21 is moved.When end of the sliding part 232 being fixed on moving platen 222 along the slide on deduction 231 to deduction 231, because the deduction fixture 233 on deduction 231 is fixed on ejection base plate 214；Therefore, eject the direction movement that base plate 214 is servo-actuated the continuation motion of membrane module 22 under the drive of deduction 231 and is directed away from cover half component 21, and thus drive Slanted ejecting component 26 to be moved, wherein the motion process can be decomposed into motion of the oblique top 261 in the gathering sill of inclined top guide block 262 and along ejecting product direction（Upwardly direction on as Fig. 6）Motion, and then oblique top 261 depart from product 1 back-off structure.
Fig. 7-8 shows the structure of one of slide block assembly 27 in one embodiment of the invention.Reference picture 7-8, slide block assembly 27 of the invention mainly includes：Sliding block positioning seat 271, the first fixture 272, sliding block 273, Angle Pin 274, the fixture 276 of SLIDE GUIDE 275 and second.Wherein, sliding block positioning seat 271 is fixed on moving platen 222 by the first fixture 272.The side away from the first fixture 272 is formed with for carrying out spacing limiting section 271a to sliding block 273 on sliding block positioning seat 271.Include horizontal component referring to Fig. 8, limiting section 271a（Non- label）And sloping portion（Non- label）.Wherein, horizontal portions parallel is in the plane where product 1, and extends to the side of sliding block positioning seat 271.Sloping portion is connected with the horizontal component, and is tilted with preset angle relative to the direction that the horizontal component is directed away from the first fixture 272.In the embodiment shown in fig. 8, the angle between the sloping portion and horizontal component is between 120 ° ~ 135 °.Sliding block 273 is spacing in limiting section 271a, and the contact surface being in contact on sliding block 273 with sliding block positioning seat 271（Non- label）It is adapted with limiting section 271a shapes.
Angle Pin 274 is located on sliding block positioning seat 271 and formed on limiting section 271a side, and partial denudation is outside sliding block positioning seat 271.
Sliding block 273 is T-shaped, and is offered on sliding block 273 and the exposed inclined guide groove 273a being engaged in the part in the outside of sliding block positioning seat 271 of Angle Pin 274.Therefore, in mould matched moulds, the Angle Pin 274 through sliding block positioning seat 271 is further inserted into inclined guide groove 273a, and the contact surface of sliding block 273 is resisted against on the limiting section 271a of sliding block positioning seat 271.
Two SLIDE GUIDEs 275 are oppositely arranged on the both sides of sliding block 273, and two SLIDE GUIDEs 275 are separately fixed on solid plate 217 by respective second fixture 276.Sliding block 273 is spacing between two SLIDE GUIDEs 275, and along the plane between two SLIDE GUIDEs 275 slidably.Preferably, first, second fixture is fixed screw or fixing bolt.
In direction of the dynamic model component 22 along die sinking（I.e. towards the direction away from cover half component 21）When mobile, moving platen 222 and the sliding block positioning seat 271 and Angle Pin 274 that are fixed on moving platen 222 is driven to be moved along die sinking direction；Now, the plane that sliding block 273 is limited with detaching for Angle Pin 274 along the axial direction of Angle Pin 274 and two SLIDE GUIDEs 275 of fitting is moved, so that sliding block 274 departs from the side opening of product.
Preferably, in a specific embodiment of the invention, when the present invention is used to manufacture carbon fibre composite notebook computer casing, because product has more back-off or side opening structure, therefore the mould employs 29 Slanted ejecting components and 2 slide block assemblies.
The process for using the shaping of the injection mold of the present invention and preparing the product of carbon fibre composite is briefly introduced below in conjunction with Fig. 1-8.
In matched moulds state, the carbon fibre composite of melting is injected from sprue bush 241, injection, pressurize and cooling are completed under specific technological parameter, so as to complete the forming process of product.
In die opening state, dynamic model component 22 is directed away from the direction movement of cover half component 21 under the drive of injection machine, and drives sliding part 232 to be moved to the end of deduction 231 along chute.Then, when dynamic model component 22 is continued to move to, with ejection base plate 214 that deduction fixture 233 is fixedly connected under the drive of deduction 231 as the direction that cover half component 22 is directed away from the same manner as dynamic model component 22 is moved.Now, mobile ejection base plate 214 drives retaining plate 215 to move, and then drives inclined top guide block 262 to be moved along the direction away from cover half component 21, and oblique top 261 is moved along the gathering sill on inclined top guide block 262（Moved along the horizontal right direction in Fig. 6）, so as to depart from the back-off structure of product.
At the same time, moving platen 222 and the sliding block positioning seat 271 and Angle Pin 274 that are fixed on moving platen 222 are moved along the direction away from cover half component 21.Now, the plane that sliding block 273 is limited with detaching for Angle Pin 274 along the axial direction of Angle Pin 274 and two SLIDE GUIDEs 275 of fitting is moved, so that sliding block 274 departs from the side opening of product.
Finally, carbon fiber composite material article is ejected by thimble 25, completes its injection molding process.
The mould and its forming process of carbon fibre composite notebook computer casing are only gived above.It is to be understood, however, that above-mentioned mould can also be applied in the carbon fiber composite material article of manufacture other structures.Moreover, the influence that the quality that can effectively reduce the bad product obtained to shaping of carbon fibre composite mobility itself using this kind of mould is caused, improves the quality of produced product, and improve its production efficiency.
The forming method that the present invention is provided is using mould of the invention, for being molded to carbon fiber composite material article, referring in particular to Fig. 9, including step：
S1, under preset temperature toast carbon fibre composite.Wherein baking temperature is 110-120 DEG C, preferably 115 DEG C；And baking time is 4-6 hours, preferably 5 hours.The step is mainly used in removing the moisture in carbon fibre composite.
S2, the mould provided with multiple glue inlet tubes is locked on injection machine with presetting clamp force.Wherein it is preferred to, clamp force is more than or equal to 400T.
S3, with presetting heating-up temperature mould is heated and is incubated.Wherein, heating-up temperature is preferably 110 DEG C -120 DEG C, and soaking time is preferably 1-2h.The step is primarily to the temperature of the carbon fibre composite after making the temperature of mould and being handled by baking is approached, to avoid in injection moulding process, when the carbon fibre composite of molten condition injects the mould molding chamber of low temperature, there are the phenomenons such as temperature distributing disproportionation to influence mobility and Forming Quality in carbon fibre composite.
S4, the technological parameter for adjusting injection machine, and by forming cavity of the carbon fibre composite by injection machine injection moulding mould after step S1 processing, the forming process of product is completed by way of multiple glue inlet tubes use Multi-spot pouring.Wherein it is preferred to, the mould is poured into a mould by the way of Multi-spot pouring.Wherein, injection pressure is preferably between 100Mpa-140Mpa.It is further preferable that the injection pressure of injection, pressurize and cooling three phases is adjusted to 100Mpa, 120Mpa and 100Mpa respectively.
S5, mould mold and eject carbon fiber composite material article.Wherein, step S5 further comprises：The die sinking for first passing through mould drives the motion of Slanted ejecting component and slide block assembly, so as to depart from the back-off and side opening structure of product；Carbon fiber composite material article is then ejected by thimble.
In the mould and forming method of the carbon fiber composite material article of the present invention, carbon fibre composite is carried out injection moulding to obtain product by using the mode of Multi-spot pouring, and product is stripped by the way of twice-die-opening, enabling the good carbon fiber composite material article of production mass；Further, since the mould has the ejecting mechanism for including oblique top and sliding block so that can successfully depart from knockout course from the structures such as the back-off and side opening of product, improve the production efficiency and Forming Quality of product.Because the present invention is molded using carbon fibre composite as raw material, the thickness of obtained product can effectively be reduced, and mitigate its weight, and obtained product has good electromagnetic wave shielding, and higher intensity, it is particularly suitable for use in manufacturing notebook computer casing, and disclosure satisfy that demand of the consumer to notebook computer casing.
Claims (8)
1. a kind of forming method for the carbon fiber composite material article for adopting mould, comprises the following steps：
S1, under preset temperature toast carbon fibre composite；
S2, the mould provided with multiple glue inlet tubes is locked on injection machine with presetting clamp force；
S3, with presetting heating-up temperature mould is heated and is incubated；
S4, the technological parameter for adjusting injection machine, and by forming cavity of the carbon fibre composite by injection machine injection moulding mould after step S1 processing, the forming process of product is completed by way of multiple glue inlet tubes use Multi-spot pouring；
S5, mould mold and eject carbon fiber composite material article.
2. a kind of mould of carbon fiber composite material article, including cover half component, dynamic model component and running gate system, form the forming cavity for being molded carbon fiber composite material article between the cover half component and the dynamic model component；Characterized in that,
The cover half component includes the fixed clamping plate and runner plate being linked in sequence, also ejection base plate, retaining plate and solid plate including being linked in sequence；Wherein, the ejection base plate is connected with the runner plate；
The dynamic model component includes the moving platen and moving clamping plate being linked in sequence；The distance between wherein described moving clamping plate and the cover half component are more than the distance between the moving platen and described cover half component；
The running gate system includes：
Set is fixed on the sprue bush on the fixed clamping plate；
Multiple main runners and multiple runners；Wherein the multiple main runner and the multiple runner are located on the runner plate respectively；Each main runner is connected with the sprue bush respectively；The multiple runner is respectively communicated with one of them main runner；
Multiple cast gates being connected with the forming cavity；Wherein, each described runner has been respectively communicated with a cast gate, and the sprue bush is also communicated with a cast gate.
3. the mould of carbon fiber composite material article according to claim 2, it is characterised in that also include：Deduction mechanism, the deduction mechanism includes deduction and sliding part；The deduction side is fixed on the ejection base plate, and the opposite side of the deduction is fixed on moving clamping plate；And chute is formed with the deduction, the sliding part is through the chute and is fixed on the moving platen, and the sliding part may move in the chute.
4. the mould of carbon fiber composite material article according to claim 3, it is characterised in that the multiple main runner is distributed on the central crossbar of the runner plate, and the diagonal with carbon fiber composite material article is parallel to each other respectively.
5. the mould of carbon fiber composite material article according to claim 3, it is characterised in that the running gate system also includes multiple glue inlet tubes；The glue inlet tube extends perpendicular to the runner plate, and along towards the direction of the dynamic model component；Wherein, runner is respectively correspondingly fixedly connected with a glue inlet tube each time, and the sprue bush is also associated with a glue inlet tube；The multiple glue inlet tube is connected with the corresponding cast gate respectively；The cast gate is between spot pouring mouth, and a diameter of 0.5 ~ 1.5mm of the spot pouring mouth.
6. the mould of carbon fiber composite material article according to claim 4, it is characterised in that the running gate system also includes multiple support blocks；The multiple support block is separately fixed on the ejection base plate；Worn in each support block and be fixed with least one described glue inlet tube.
7. the mould of carbon fiber composite material article according to claim 6, it is characterised in that the ejecting mechanism includes at least one Slanted ejecting component；The Slanted ejecting component includes：Oblique top and inclined top guide block；The inclined top guide block is fixed on the retaining plate；And the side being in contact on the inclined top guide block with the oblique top is formed with gathering sill；The side of the oblique top is movably limited in the gathering sill；The opposite side of the oblique top is connected with the product.
8. the mould of carbon fiber composite material article according to claim 7, it is characterised in that the ejecting mechanism includes at least one slide block assembly；Each slide block assembly includes sliding block positioning seat, sliding block, Angle Pin and two SLIDE GUIDEs；The sliding block positioning seat is fixed on the moving platen；And be formed with the side of the sliding block positioning seat for the limiting section spacing to the sliding block；The Angle Pin is located in the sliding block positioning seat and formed on the side of the limiting section, and partial denudation is outside the sliding block positioning seat；The inclined guide groove being engaged with the exposed part on the outside of the sliding block positioning seat of the Angle Pin is further opened with the sliding block；In matched moulds, the Angle Pin through the sliding block positioning seat is inserted into the inclined guide groove of the sliding block, and the side of the sliding block and the limiting section of the sliding block positioning seat lean；
Two SLIDE GUIDEs are separately fixed on the solid plate, and are oppositely arranged on the sliding block both sides；The plane slided for the sliding block is also formed between described two SLIDE GUIDEs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008046.7A CN106945222A (en) | 2016-01-07 | 2016-01-07 | The forming method and mould of carbon fiber composite material article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008046.7A CN106945222A (en) | 2016-01-07 | 2016-01-07 | The forming method and mould of carbon fiber composite material article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106945222A true CN106945222A (en) | 2017-07-14 |
Family
ID=59465715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610008046.7A Pending CN106945222A (en) | 2016-01-07 | 2016-01-07 | The forming method and mould of carbon fiber composite material article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106945222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556219A (en) * | 2018-04-03 | 2018-09-21 | 芜湖撼江智能科技有限公司 | A kind of mold with Anti-blockage function |
-
2016
- 2016-01-07 CN CN201610008046.7A patent/CN106945222A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556219A (en) * | 2018-04-03 | 2018-09-21 | 芜湖撼江智能科技有限公司 | A kind of mold with Anti-blockage function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202088402U (en) | One-mould one-cavity hot runner injection mould | |
| CN207841924U (en) | Upside-down injection mold with a 3D printed conformal waterway | |
| CN212171165U (en) | Multi-cavity hot runner mold for generating 45-degree elbow PVC pipe fitting | |
| CN211221902U (en) | Injection mold pneumatically pushed out | |
| CN106945222A (en) | The forming method and mould of carbon fiber composite material article | |
| CN203752402U (en) | Forming mold of carbon fiber composite material plastic products | |
| CN104972593B (en) | The mould and forming method of carbon fibre composite plastic products | |
| CN215396622U (en) | Display screen rubber frame injection mold | |
| CN215472732U (en) | Novel double-sprue injection mold with balanced materials | |
| CN210791829U (en) | Automobile instrument desk injection mold with large-enclosure embedded cooling insert | |
| CN110355944B (en) | Mobile phone rear cover blank forming die with movable cavity adjusted through spring and comprising middle frame | |
| CN211221863U (en) | Quick radiating injection mold structure | |
| CN208529614U (en) | A kind of pull ring production mould | |
| CN106626256A (en) | In-mould decoration injection moulding mould | |
| KR102493406B1 (en) | Mold | |
| CN202129947U (en) | Split-flow injection-moulding device for hot runner | |
| CN220052652U (en) | Side core-pulling injection molding die | |
| CN210679561U (en) | Injection mold convenient to drawing of patterns | |
| CN217293325U (en) | Air cooler front shell injection mold with detachable hot runner structure | |
| CN215550616U (en) | Injection mold with reversely arranged mold core | |
| CN217831799U (en) | Anti-warping forming die for power box accessory | |
| CN216832035U (en) | Automobile radiator water chamber injection mold | |
| CN217319108U (en) | Automobile upright post guard plate mold with secondary internal core-pulling mechanism | |
| CN211334348U (en) | Elbow injection mold with connecting plate | |
| CN208826992U (en) | A kind of oxygenerator bottom cover injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170714 |