CN104960137A - Method for manufacturing wind deflector - Google Patents
Method for manufacturing wind deflector Download PDFInfo
- Publication number
- CN104960137A CN104960137A CN201510301002.9A CN201510301002A CN104960137A CN 104960137 A CN104960137 A CN 104960137A CN 201510301002 A CN201510301002 A CN 201510301002A CN 104960137 A CN104960137 A CN 104960137A
- Authority
- CN
- China
- Prior art keywords
- rib
- kuppe
- manufacture method
- inert gas
- air flue
- 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
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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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a method for manufacturing a wind deflector. The method comprises the steps that molten plastic is put into a mold; and inert gas is injected into the mold, the predetermined pressure is kept within the scheduled time, and therefore an air way is formed; the inert gas is discharged, and the molten plastic is cooled and molded. The wind deflector in the embodiment is higher in rigidity and strength and light. According to the method for manufacturing the wind deflector in the embodiment, the rigidity and the strength of the wind deflector are improved; and due to the fact that the inert gas has the efficient pressure transmission, pressure at all portions inside the air way are kept consistent, and internal stress is removed accordingly.
Description
Technical field
The present invention relates to vehicular field, in particular to a kind of manufacture method of kuppe.
Background technology
In correlation technique, kuppe is many to be manufactured by SMC mould pressing process or directly injection mo(u)lding.The kuppe that existing SMC mould pressing process manufactures, not only density is higher, product is heavier, and this kind of technique raw material not environmentally, and the kuppe made is not easy recycling.And by kuppe that the direct injection mo(u)lding of plastics obtains, although raw material can recycling, product weight comparatively light, the rigidity of product own and intensity more weak, be the rigidity and the intensity that improve kuppe, need the supporting bracket of complicated layout, increase weight and the cost of flow guide system.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention be to propose a kind of realize kuppe lightweight, the manufacture method of kuppe of intensity that strengthens kuppe.
According to the manufacture method of the kuppe of the embodiment of the present invention, comprising: the plastics of melting are put in mould; Inert gas injecting in mould also keeps predetermined pressure to form air flue in the given time; Discharge described inert gas and the plastics of described melting are cooled, shaping.
Manufacture method according to the kuppe of the embodiment of the present invention not only strengthens kuppe rigidity and intensity; And there is efficient pressure transitivity due to inert gas, the pressure of air flue various places inside can be made to be consistent to eliminate internal stress.
Preferably, described kuppe comprises: body and the reinforcement structure be connected on body, limit described air flue in described reinforcement structure.
Preferably, described reinforcement structure comprises multiple first rib and the second rib, each described first rib extends transversely substantially and multiple described first rib longitudinally distributes, and each described second rib extends longitudinally substantially and multiple described second rib transversely distributes.
Preferably, each described first rib and each described second rib all crossing with multiple described second rib and multiple described first rib all crossing.
Preferably, described first rib and described second rib are linear tube-like piece, and the endoporus of described tube-like piece forms described air flue.
Preferably, the upper edge of described body and lower edge have described first rib, and the left margin of described body and the right are along having described second rib.
Preferably, described reinforcement anatomical connectivity is on the inner surface and/or outer surface of described body.
Preferably, the decanting point of described inert gas is at least one, through the inert gas linearly one-way flow that each described decanting point injects.
Preferably, the pressure limit of described predetermined pressure is 30-40MPa.
Preferably, the described scheduled time is 5.5-6 second.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the kuppe according to the embodiment of the present invention;
Fig. 2 is the cross-sectional schematic of the kuppe according to the embodiment of the present invention;
Reference numeral:
Kuppe 100,
Body 10, upper edge 11, lower edge 12, left margin 13, the right along 14, inner surface 15,
Strengthen structure 20, air flue 21, the first rib 22, second rib 23,
Reinforcement 30.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The manufacture method of the kuppe of the embodiment of the present invention is described referring to Fig. 1 to Fig. 2.
Manufacture method according to the kuppe of the embodiment of the present invention comprises:
(1) plastics of melting are put in mould.Wherein, mould comprises upper die and lower die, limits the die cavity unanimous on the whole with kuppe profile, be filled with in die cavity by the plastics of melting between patrix and counterdie.
(2) also keep predetermined pressure to form air flue in the given time to inert gas injecting in mould.Wherein, mould has at least one air inlet and at least one exhaust outlet, from air inlet to inert gas injecting in the plastics of melting and the pressurize scheduled time to form air flue in kuppe.
(3) discharge inert gas and the plastics of melting are cooled, shaping.Finally, discharge inert gas from exhaust outlet and remove patrix, taking out the kuppe of final molding.
According to the manufacture method of the kuppe of the embodiment of the present invention, by by inert gas injection to the plastics of melting, also the pressurize scheduled time, to form air flue on body, not only strengthens kuppe rigidity and intensity; And there is efficient pressure transitivity due to inert gas, the pressure of air flue various places inside can be made to be consistent to eliminate internal stress; In addition, employing said method also has the weight, the elimination shrink mark that alleviate kuppe, improves the free degree of production efficiency and product design.
In certain embodiments, as depicted in figs. 1 and 2, the manufacture method of the kuppe of above-described embodiment is utilized to produce kuppe 100, wherein, kuppe 100 comprises: body 10 and the reinforcement structure 20 be connected on body 10, strengthens limiting air flue 21 in structure 20.During manufacture, mould has for the formation of strengthening the groove of structure, air inlet is all communicated with groove with exhaust outlet, from air inlet to inert gas injecting in groove and the pressurize scheduled time with formation reinforcement structure and air flue in groove.
Utilize above-mentioned manufacture method to manufacture kuppe 100, what not only increase kuppe entirety is subject to force intensity, and reduces the overall weight of kuppe 100; In addition, body 10 and reinforcement structure 20 adopt above-mentioned injection molding forming method to make each several part stress equalization of reinforcement structure 20, avoid stress to concentrate, and are convenient to batch production simultaneously.
Be understandable that, the quantity strengthening the air flue 21 in structure 20 can be an air flue 21 be communicated with, and also can be multiple mutual disconnected air flues 21, the shape strengthening structure 20 can be strip, bulk etc.
With reference to Fig. 1, in certain embodiments, strengthen structure 20 and comprise multiple first rib 22 and multiple second rib 23, each first rib 22 extends transversely substantially and multiple first rib 22 longitudinally distributes, and each second rib 23 extends longitudinally substantially and multiple second rib 23 transversely distributes.Wherein, laterally refer to the length direction of kuppe 100, longitudinally refer to the width of kuppe 100.In the concrete example shown in Fig. 1, the arc that first rib 22 extends transversely substantially, second rib 23 is in the linear substantially extended longitudinally or arc, and the first rib 22 is uniformly distributed in a longitudinal direction and the second rib 23 is uniformly distributed in a lateral direction.Thus, the first rib 22 and the horizontal and vertical of the second rib 23 pairs of bodies 10 all play booster action, enhance intensity and the rigidity of kuppe 100 entirety.
In the concrete example shown in Fig. 1, upper edge 11 and the lower edge 12 of body 10 are to recessed arc, and the left margin 13 of body 10 is the arc extended from upper left lower right, and the right of body 10 is the arc extended from upper right lower left along 14.But the present invention is not limited to this, the shape of body 10 and reinforcement structure 20, the quantity etc. of reinforcement structure 20 can have multiple choices, are not repeated herein.
Further, each first rib 22 is all crossing with multiple second rib 23 and each second rib 23 is all crossing with multiple first rib 22.That is, multiple first rib 22 defines crisscross structure with multiple second rib 23 on body 10, enhances the tightness connected and the tightness be connected with body 10 separately between the two, makes the structural strength of kuppe 100 higher.
In certain embodiments, the first rib 22 and the second rib 23 are linear tube-like piece, and the endoporus of tube-like piece forms air flue 21.As shown in Figure 2, be described for the first rib 22, first rib 22 is formed as tubulose, the portion outboard wall of the first rib 22 is connected on the medial surface of body 10, the bearing of trend of air flue 21 is consistent with the bearing of trend of the first rib 22, in injection molding process, in the plastics of melting, pass into inert gas to be integrally formed air flue 21, strengthen structure 20 and adopt round-corner transition with the junction of body 10.First rib 22, second rib 23 and body 10.Structure and first rib 22 of the second rib 23 are similar, are not repeated herein.Thus, the structure of the first rib 22 and the second rib 23 simple, be convenient to processing.
Preferably, the upper edge 11 of body 10 and lower edge 12 have the first rib 22, and the left margin 13 of body 10 and the right have the second rib 23 along 14.As shown in Figure 1, body 10 is quadrilateral structure, and each first rib 22 extends to the right of body 10 along 14 from the left margin 13 of body 10.Each first rib 22 is arc and consistent with the upper edge 11 of body 10 and the shape of lower edge 12, and the first rib 22 of the top covers on whole upper edge 11, and the first rib 22 of bottom covers on whole lower edge 12.Correspondingly, each second rib 23 extends to the lower edge 12 of body 10 from the upper edge 11 of body 10, the second middle rib 23 extends longitudinally, the bearing of trend of the second rib 23 of the leftmost side and the bearing of trend of the left margin 13 of body 10 unanimous on the whole, the bearing of trend of the second rib 23 of the rightmost side and the right of body 10 unanimous on the whole along the bearing of trend of 14.Thus, the formation circumference strengthening structure 20 pairs of bodies 10 is fixing with the structural strength promoting body 10 edge, and then strengthens the structural strength of kuppe 100 entirety.
In certain embodiments, strengthen on structure 20 inner surface 15 that is connected to body 10 and/or outer surface.In other words, on the inner surface 15 that the first rib 22, second rib 23 can be distributed in body 10 and/or outer surface, wherein body 10 is less than or equal to the plate of 4mm for thickness.As shown in Figure 2, the first rib 22 and the second rib 23 are distributed on the inner surface 15 of body 10, and during to make the outer surface of air-flow by kuppe 100, motion is more smooth, and strengthens the aesthetic property of kuppe 100 entirety.
In addition, body 10 is also provided with reinforcement 30, the width of reinforcement 30 is about 2/3 times of the thickness of body 10, and the width of the first rib 22 and the second rib 23 is unanimous on the whole.Preferably, as shown in Figure 1, reinforcement 30 is covered with the inner surface 15 of body 10 in latticed and latticed reinforcement 30.
Further, the decanting point of inert gas is at least one, through the inert gas linearly one-way flow that each decanting point injects.When the air flue 21 of kuppe 100 is only by an inlet charge and when forming multiple rib (the first rib or the second rib), form loop by the distribution of mold flow analysis design air flue 21 to avoid air flue, thus make gas pressure in the air flue 21 of each rib stable to avoid producing internal stress.In addition, when kuppe 100 adopts multiple spot air inlet, the distance between adjacent air flue can not be too near to avoid air-flow to break through reinforcement structure.
In a preferred embodiment, the pressure limit of predetermined pressure is 30-40MPa.Above-mentioned pressure is adopted to carry out to air flue the rapid shaping that air flue is convenient in pressurize.
Preferably, the scheduled time is 5.5-6 second.Thus, arrange the above-mentioned dwell time enable air flue rapid shaping and shaping after air passage structure more stable.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a manufacture method for kuppe, is characterized in that, comprising: put in mould by the plastics of melting; Inert gas injecting in mould also keeps predetermined pressure to form air flue in the given time; Discharge described inert gas and the plastics of described melting are cooled, shaping.
2. the manufacture method of kuppe according to claim 1, is characterized in that, described kuppe comprises: body and the reinforcement structure be connected on body, limit described air flue in described reinforcement structure.
3. the manufacture method of kuppe according to claim 2, it is characterized in that, described reinforcement structure comprises multiple first rib and the second rib, each described first rib extends transversely substantially and multiple described first rib longitudinally distributes, and each described second rib extends longitudinally substantially and multiple described second rib transversely distributes.
4. the manufacture method of kuppe according to claim 3, is characterized in that, each described first rib and each described second rib all crossing with multiple described second rib and multiple described first rib all crossing.
5. the manufacture method of kuppe according to claim 4, is characterized in that, described first rib and described second rib are linear tube-like piece, and the endoporus of described tube-like piece forms described air flue.
6. the manufacture method of kuppe according to claim 3, is characterized in that, the upper edge of described body and lower edge have described first rib, and the left margin of described body and the right are along having described second rib.
7. the manufacture method of kuppe according to claim 2, is characterized in that, described reinforcement anatomical connectivity is on the inner surface and/or outer surface of described body.
8. the manufacture method of the kuppe according to any one of claim 1-7, is characterized in that, the decanting point of described inert gas is at least one, through the inert gas linearly one-way flow that each described decanting point injects.
9. the manufacture method of the kuppe according to any one of claim 1-7, is characterized in that, the pressure limit of described predetermined pressure is 30-40MPa.
10. the manufacture method of the kuppe according to any one of claim 1-7, is characterized in that, the described scheduled time is 5.5-6 second.
Priority Applications (1)
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CN201510301002.9A CN104960137A (en) | 2015-06-03 | 2015-06-03 | Method for manufacturing wind deflector |
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CN201510301002.9A CN104960137A (en) | 2015-06-03 | 2015-06-03 | Method for manufacturing wind deflector |
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CN201510301002.9A Pending CN104960137A (en) | 2015-06-03 | 2015-06-03 | Method for manufacturing wind deflector |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2557968A (en) * | 2016-12-20 | 2018-07-04 | Jaguar Land Rover Ltd | Vehicle storage console and method for manufacturing the same |
CN113767022A (en) * | 2019-05-10 | 2021-12-07 | 大众汽车股份公司 | Air duct arrangement and motor vehicle |
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DE1530540A1 (en) * | 1965-02-24 | 1970-01-29 | Daimler Benz Ag | Motor vehicle roof |
JPH04272815A (en) * | 1991-02-27 | 1992-09-29 | Aisin Seiki Co Ltd | Injection molding method for rear spoiler |
JPH1016826A (en) * | 1996-07-08 | 1998-01-20 | Dainippon Ink & Chem Inc | Rear spoiler for automobile and its molding method |
JPH11208531A (en) * | 1998-01-26 | 1999-08-03 | Nissan Motor Co Ltd | Rear spoiler of automobile |
CN102476435A (en) * | 2010-11-25 | 2012-05-30 | 长春市吉韩模具有限公司 | Process and mold for gas-assisted injection molding of car bumper |
CN202879456U (en) * | 2012-10-24 | 2013-04-17 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle wind drag brake device air guide sleeve |
CN204355174U (en) * | 2015-01-08 | 2015-05-27 | 江苏平安汽车部件有限公司 | A kind of card Vehicular air deflector |
-
2015
- 2015-06-03 CN CN201510301002.9A patent/CN104960137A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1530540A1 (en) * | 1965-02-24 | 1970-01-29 | Daimler Benz Ag | Motor vehicle roof |
JPH04272815A (en) * | 1991-02-27 | 1992-09-29 | Aisin Seiki Co Ltd | Injection molding method for rear spoiler |
JPH1016826A (en) * | 1996-07-08 | 1998-01-20 | Dainippon Ink & Chem Inc | Rear spoiler for automobile and its molding method |
JPH11208531A (en) * | 1998-01-26 | 1999-08-03 | Nissan Motor Co Ltd | Rear spoiler of automobile |
CN102476435A (en) * | 2010-11-25 | 2012-05-30 | 长春市吉韩模具有限公司 | Process and mold for gas-assisted injection molding of car bumper |
CN202879456U (en) * | 2012-10-24 | 2013-04-17 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle wind drag brake device air guide sleeve |
CN204355174U (en) * | 2015-01-08 | 2015-05-27 | 江苏平安汽车部件有限公司 | A kind of card Vehicular air deflector |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2557968A (en) * | 2016-12-20 | 2018-07-04 | Jaguar Land Rover Ltd | Vehicle storage console and method for manufacturing the same |
GB2557968B (en) * | 2016-12-20 | 2020-10-07 | Jaguar Land Rover Ltd | Vehicle storage console and method for manufacturing the same |
CN113767022A (en) * | 2019-05-10 | 2021-12-07 | 大众汽车股份公司 | Air duct arrangement and motor vehicle |
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Application publication date: 20151007 |