CN109955755A - A kind of composite seat backrest frames - Google Patents
A kind of composite seat backrest frames Download PDFInfo
- Publication number
- CN109955755A CN109955755A CN201711338026.7A CN201711338026A CN109955755A CN 109955755 A CN109955755 A CN 109955755A CN 201711338026 A CN201711338026 A CN 201711338026A CN 109955755 A CN109955755 A CN 109955755A
- Authority
- CN
- China
- Prior art keywords
- composite
- backrest frames
- plate
- continuous glass
- glass fibre
- 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 95
- 239000003365 glass fiber Substances 0.000 claims abstract description 42
- 230000007704 transition Effects 0.000 claims abstract description 22
- 230000002708 enhancing effect Effects 0.000 claims abstract description 18
- 229920001169 thermoplastic Polymers 0.000 claims description 25
- 239000004416 thermosoftening plastic Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 15
- 229920005992 thermoplastic resin Polymers 0.000 claims description 15
- 238000007731 hot pressing Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000005553 drilling Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 17
- 238000012360 testing method Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012938 design process Methods 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920005672 polyolefin resin Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a kind of modeling structures of seat back-rest framework using continuous glass fibre enhancing composite panel, define composite back plate and transition region transition wing plate and mounting plane that seat composite material backrest frames should be divided into occupant support area.A kind of mounting hole parameter of mounting plane is provided, using the hole opening technology parameter of the seat back-rest framework of continuous glass fibre enhancing composite panel, the hole opening technology defines between opening diameter range and Kong Yukong, the range in hole and skeleton edges distance, and the range of choice of skeleton and plate thickness, better bonding strength can be reached by connect using the composite material skeleton of such drilling technology with the bolt that metalwork carries out routine.
Description
Technical field
The present invention relates to technical field of a vehicle accessory, specifically a kind of composite seat backrest frames.
Background technique
Car seat back frame is as a kind of core automobile interior accessory.Currently, much applying the seat of vehicle, seat
The backrest frames of chair are frame structure made of metal, and the overall weight of vehicle greatly improved in heavier-weight, meanwhile, by
It not can be used directly in frame structure, it then becomes necessary to coat sponge etc., on the frame structure to improve the comfort level of passenger；
And since backrest frames are metal framework structure, when heel row occupant impinges upon the chair back in front, due to frame knot
The characteristic of structure, absorb impact force energy-absorbing area it is small, can not dispersing impact forces, cause the passenger in forward seat in incidence
And it is easy to be caused front passenger to be hurt by the very big impact force concentrated at waist.
With the development of science and technology with the progress of technology, the fabricating technology of car seat back frame is constantly towards section
Energy, environmental protection and efficiently aspect development, consequent, the appearance of composite seat skeleton is so that composite board technology exists
The developing stage new into one.Due to energy-saving and environment-friendly needs, the components of the industries such as automobile, electronics and mechanical equipment is to light weight
Change and miniaturization, more and more metal materials are just gradually substituted by polymer composite.It is most of at present to be used
Thermosetting polymer composite material poor impact resistance and not can be recycled, and using PP as substrate thermoplastic composite rigidity
Low, the problems such as wear-resisting weather-proof performance is poor, heat resistance is insufficient, the range limited its application.Therefore, develop high intensity, high-modulus,
Light specific gravity, wear resistant corrosion resistant, other thermoplastic composites that surface is excellent, heat-resist have become market new product development
Hot spot.
Continuity fiber-reinforced thermoplastic resin is made of fiber and resin two parts, most of thermoplastic resin
Tensile strength is low, but has very high toughness and plasticity；And fiber has very high tensile strength, but is susceptible to destruction
And it is not easy processing and forming.Fiber is complementary with the compound defect progress to the two of resin, so that continuity fibre-reinforced thermoplastic
The comprehensive performance of property resin composite materials greatly improves.Compared with traditional steel and aluminium, density is about the 1/5 of steel,
About the 1/2 of aluminium；Specific strength and specific modulus are also much higher than the alloy of steel and aluminium, thus stiffness and strength under the same conditions
Have the characteristics that light weight, is that other materials are incomparable in terms of the service performance for saving the energy, raising component.Glass fibers
The characteristics of dimension, is high elastic modulus.By the high tensile and compressive strength of glass fibre, it is introduced by glass fibre
When in thermoplastic matrix materials, can while the high resiliency fracture elongation due to glass fibre obtains certain flexibility
Purposive reinforcing is realized in these regions.It can be made into the various composite woods haveing excellent performance by reinforcement of super high-strength glass fibre
Material, has extensively in the defence and military field of the weaponrys such as the warships such as aerospace, rocket, guided missile, fighter plane, nuclear submarine, tank
General application, is particularly suitable for automobile chair frame.
Summary of the invention
It is an object of the invention to solve every defect of seat back-rest framework in the prior art, provide a kind of light weight,
It can disperse to absorb that impact force, comfortable, safety, beauty, production cost is low, is easily installed the composite seat backrest used rapidly
Skeleton.
Seat back-rest framework in the design process, generally for the project of adaptation to aesthstic, comfort level requirement, and is adopted at present
With complicated surface modeling, this is virtually limitless for using conventional metals；But when using continuous glass fibre
Main material of the composite panel as frame design when, then need to seek to balance between moulding and the smoothness of fiber
Point.
To achieve the above object, composite seat backrest frames of the invention include continuous glass fibre enhancing thermoplasticity
The top of composite back plate, continuous glass fibre enhancing thermoplastic composite backboard towards the one side of passenger-back is provided with concave arc-shaped section,
The lower part of one side of the continuous glass fibre enhancing thermoplastic composite plate towards passenger-back is provided with convex arc section, concave arc-shaped section with
Convex arc section is connected as one, and forms the continuous glass fibre enhancing thermoplastic composite backboard of curved-surface structure.Therefore it is combining centainly
When body curve under sitting posture, fiber to be avoided wide-angle turnover occur to influence structural behaviour as far as possible.
Arbitrarily taken in the curved surface a bit, cross the point and with taken on the V of this region section curved surface A diameter R (60 >=R >=30,
Recommend R to take 50mm) circle, circle is projected to above-mentioned curved surface A along the normal direction of above-mentioned plane V, the space curved surface A1 intercepted
Farthest two o'clock on edge, in the two o'clock with the acute angle of two sections where curved surface be α, take 15 ° >=α >=0 °, recommend
5°≤α≤10°。
The height of concave arc-shaped section and convex arc section is 2-3:4-5；The high H:80-100cm of composite back plate, composite back plate the widest part are W:
55-65cm；
Wherein the design focal point concern passenger riding of concave, convex segmental arc is comfortable and compactness.
The backrest frames are made of continuous glass fibre enhancing thermoplastic composite plate, the continuous glass fibre enhancing heat
Plastic composite plate is compounded to form by 6 layers~8 layers of unidirectional continuous glass fibre enhancing thermoplastic resin preliminary-dip piece hot pressing.Unidirectionally connect
Continuous glass fiber reinforcement thermoplastic resin preliminary-dip piece is by thermoplastic resin, continuous super high-strength glass fibre and silane coupling agent system
?.Mass ratio is 40:50:1.
Thermoplastic resin be selected from polyolefin resin, thermoplastic polyester, polyamide-based, polycarbonate, other resins for universal use or
One or more of high performance engineering plastics.
By mechanical test, composite back plate has excellent mechanical characteristic and rapidly disperses to absorb impact force performance.
In the two sides of composite back plate, the curve form of composite back plate is complied with, from backboard top, smooth downward and two sides extend
Transition wing plate out；Transition wing plate extends mounting plane with same form, and mounting plane adapts to the curve form of composite back plate.
Transition wing plate is connected with adjacent composite back plate, in the flat of some measurement point transition wing plate and composite back plate two sides
Equal acute angles beta.75 ° >=β >=30 ° are set, and recommendation takes 30 °≤β≤60 °.
Transition wing plate extends to composite back plate bottom from top, and width complies with curve from top to bottom, is in smooth broadening trend,
Widest part width width 20cm >=S >=8cm.
The design focal point concern mechanics of transition wing plate it is wrapped and by composite plate excessively to the rigidity of mounting plane and tough
Property；Exceedingly band will be such that the turnover of fiber is segmented as far as possible and complete angle change on guaranteeing enough mounting plane region bases
Change, avoids direct 90 ° of dog-ears from occurring, and preferable loading angle can be provided for mounting plane.
Transition wing plate from the corresponding both sides in the downward horizontal position 15-25cm in the composite back plate top, it is smooth downwards and two
Extend mounting plane in side；Mounting plane complies with transition wing plate curve from top to bottom, and in smooth broadening trend, widest part width is wide
Spend 16cm >=M >=5cm；Not only beautiful shape, and can protect the edge for the spongy layer being disposed thereon, while also avoiding being arranged
Spongy layer left and right sidesing shifting on it.It is provided with combination mounting hole on mounting plane, fixation is provided；
Plane where mounting plane is approximately perpendicular to composite back plate, is connected with transition wing plate.
The design focal point concern of mounting plane, which provides, most firmly to be supported and fixed.
Composite back plate, transition wing plate, mounting plane, which are integrally formed, constitutes composite seat backrest frames.
Backrest frames are connected with seat chassis, and the seat chassis includes the level frame being fixed on seat support rack, institute
It states to be provided on level frame and connect with the compatible lower part of mounting plane that the transition wing plate on backrest frames both sides extends
Connecting plate is respectively arranged with the mounting hole and connecting hole matched on the mounting plane lower part and connecting plate, and fastener is worn
The mounting hole on the mounting plane of respective side and the connecting hole on connecting plate are crossed, ipsilateral mounting plane is connected with connecting plate is
One, the fastener are bolt, screw, bolt etc..
The angular range of the backrest frames 1 and vertical direction is 20 °~30 °, preferably 24 °, can make the seating appearance of passenger
Gesture is more comfortable.
By above-mentioned design, when automobile emergency brake or stop, in passenger's impact forward at seat rear, rear multiplies
Visitor head lean forward hit continuous glass fibre enhancing thermoplastic composite plate top concave arc-shaped section on, meanwhile, aft passenger its
His physical feeling leans forward in the convex arc section for impinging upon continuous glass fibre enhancing thermoplastic composite plate lower part, passes through this kind of special song
The backrest frames of face structure rapidly can spread out impact force along cambered surface, when its segmental arc receives to hit substantially to weaken
Impact force guarantees the personal safety of the passenger on front-row seats.And when accelerating, seat back can provide the package branch of fitting again
Support, comfortable safety.
And chair framework mainly uses metal pipe material, the welding of sheet metal parts or is bolted at present；For continuous glass
Chair framework made of fiberboard still needs to carry out with functions of seat component to be assembled to form complete product；But composite material without
Method and metal weld, and can not directly adopt the hole opening technology parameter of ready-made metal.
It is another object of the present invention to provide a kind of hole opening technologies of composite panel, which is characterized in that the technique
When defining backrest frames and other components using bolt riveting, prefabricated several mounting holes are needed, in order to make prefabricated mounting hole
Composite seat backrest frames afterwards are connected and fixed maximum intensity near mounting hole, need for mounting hole and composite wood
Expect plate thickness t, peace used in hole heart distance ii between the minimum range i at backrest frames edge, any two mounting hole, backrest frames
The value range of dress bore dia d makes requirement.
Further, the most narrow spacing of the diameter d of any mounting hole and the mounting hole spacing from backrest frames edge
Meet i >=2d from i, in conjunction with the space layout requirement of seat design process, preferably 3d >=i >=2d.
Further, two diameters of arbitrary neighborhood are hole between the mounting hole of d1, d2 in the heart away from ii >=2 (d1+d2),
In conjunction with the space layout requirement of seat design process, preferably 2.5 (d1+d2) >=ii >=2 (d1+d2).
Further, 30 >=t of the composite material backrest frames plate thickness >=15mm, is wanted in conjunction with automobile chair frame intensity
It asks, preferably 30 >=t >=24mm.
Further, 12 >=d of the installation bore dia >=6mm, in conjunction with automobile chair frame intensity requirement and compound
Performance after prefabricated mounting hole, preferably 10 >=d >=8mm.
And composite panel is in mold process, edge often will appear lamination, the property of near zone when layering
Can significantly it weaken, therefore, it is necessary to cut the plate of appropriate size, it is ensured that product will not be by side in required size range
Edge is influenced because being layered caused by technique, while also guaranteeing to save material as far as possible, so that product can be arranged in conventional sheet specification
Version blanking.
It is another object of the present invention to the composite panels for solving to be made seat back-rest framework to deposit in unfolding and cutting
The problem of.There is provided a kind of unfolding and cutting technique of composite panel, which is characterized in that backrest is made in the process stipulation
The composite panel of skeleton first has to guarantee to save material as far as possible in blanking, while needing to comprehensively consider normal size and receiving
Contracting factor and because layering influence required for special consideration should be given to integral edge propagation size.
Further, propagation size x and plate thickness t meets 4t >=x >=2.5t, recommends x=3t.
30 >=t of the composite seat backrest frames plate thickness >=15mm, it is excellent in conjunction with automobile chair frame intensity requirement
Select 30 >=t >=24mm；
What can be obtained in plate stress pulls power and fixed function.
The preparation method of the above-mentioned composite seat backrest frames of the present invention includes the following steps:
1) polyolefin resin, thermoplastic polyester, polyamide-based, polycarbonate, other resins for universal use or high-performance ingredient: are taken
One or more of engineering plastics match honest material with continuous super high-strength glass fibre and silane coupling agent example in mass ratio.
2) making sheet: unidirectional continuous glass fibre, which is made, using routine techniques enhances thermoplastic resin preliminary-dip piece；Basis later
Required plate thickness t selects the unidirectional continuous glass fibre of the suitable number of plies to enhance the hot pressing of thermoplastic resin preliminary-dip piece and is compounded to form company
Continuous glass fiber reinforcement thermoplastic composite plate.
3) it cuts typesetting: the space curved surface of product being launched into the curved surface in plane using 3D sculpting software, expansion is calculated
Method uses automobile industry popular software Catia built-in algorithm；
X delta offset is carried out by obtained plane curved surface profile, x value range is shown in text；
By the final profile after offset, arranged according to the size of material use maximization principle and existing raw material plate
Version, cutting profile gap≤3mm when typesetting export cutting scheme typesetting figure to guarantee stock utilization；
4) custom mold: mold customization is carried out by design pattern, each angle and backrest frames parameter；
5) skeleton forming: before continuous glass fibre enhancing thermoplastic composite plate is first carried out blanking according to actual product dosage
Dosage calculate；
According to calculated result, carried out cutting feeding according to typesetting figure using CNC numerically controlled processing equipment；
Tablet after cutting is put into heating equipment linked transmission electric oven and is toasted 10 minutes at 130 DEG C；
Tablet after heating is put into molding die, point three sequences pressurization: precompressed: it is required that the 15% of pressure；Real pressure: it is required that
The 100% of pressure；Pressure maintaining: it is required that the 110% of pressure.It is for 5 seconds；Product stripping, deburring.
It is punched by the perforated parameters of the mounting hole of design.
6) seat is installed: seat being made according to a conventional method, installs and uses.
Beneficial effects of the present invention:
Composite seat backrest frames of the invention enhance thermoplastic composite, quality using continuous glass fibre
Gently, there is strong mechanical performance, and preferable anti-flammability, ageing resistance and heat-resisting quantity, excellent combination property, and price
It is low, cost performance with higher.And since continuous glass fibre enhances these good characteristics of thermoplastic composite, keep it outstanding
It is suitable for automobile cars, both alleviate weight, and thickness reduces can guarantee security performance again.And due to composite characteristics,
It can also facilitate moulding, design curved shape and be suitble to ergonomics performance backboard, fitting body curvature provides comfortably stable branch
Support.It is additionally contemplates that collision deformation has modified the angle of arc segment, can preferably absorb impact power, and provide safe branch
Support.But these performances can be played enough, and basis is to need to obtain to support to the greatest extent to fix, and the present invention is by setting
Meter obtains optimal hole location design, so that hole can provide sufficiently stable fixation and play most receiving greatly for overall skeleton
Power performance, so that vehicle is in limiting case, the power that hole location provides fixes chair framework and at hole location or backboard
Material will not be broken.In the extension of backboard to mounting plane, design transition wing plate cooperation backboard and mounting plane are needed
Angle and curvilinear motion.The present invention perfectly solves these problems by design.And composite wood is also solved accordingly
Flitch embryo is in production in mold process, and edge often will appear lamination, and layering starts and neighbouring region performance
The technical issues of significantly weakening, in size range needed for deisgn product not by edge because caused by technique layering influenced,
Also guarantee to save material as far as possible simultaneously, so that product can be with typesetting blanking in conventional sheet specification.Entire technique to be made
Composite seat backrest frames there is substantive distinguishing features outstanding and significant progress compared with the prior art, from being designed into
Production can save material, reduce production cost, have excellent performance, and production is easy, and composite seat backrest frames obtained are complete
The suitable automotive seat of U.S. uses.
Detailed description of the invention:
Fig. 1 is the side view, dorsal view and strabismus schematic diagram of composite seat backrest frames.
Fig. 2 is the determination at the angle α.
Fig. 3 is the determination at the angle β.
Fig. 4 is the positioning of mounting hole.
Fig. 5 is the parameter schematic diagram of blanking plate
In figure: 1. composite back plates, 2. transition wing plates, 3. mounting planes, 4 concave arc-shaped sections, 5 convex arc sections, 6 mounting holes.
Specific embodiment
Principles and features of the present invention are described with reference to embodiments, the given examples are served only to explain the present invention,
It is not intended to limit the scope of the present invention.The contents of the present invention are described in detail below.
The preparation method of the above-mentioned composite seat backrest frames of the present invention includes the following steps:
1) polyolefin resin, thermoplastic polyester, polyamide-based, polycarbonate, other resins for universal use or high-performance ingredient: are taken
One or more of engineering plastics are prepared with continuous super high-strength glass fibre and silane coupling agent example in mass ratio (40:50:1)
Material.
2) making sheet: unidirectional continuous glass fibre, which is made, using routine techniques enhances thermoplastic resin preliminary-dip piece；Basis later
It is compound that required plate thickness t=25mm selects the unidirectional continuous glass fibre of the suitable number of plies to enhance the hot pressing of thermoplastic resin preliminary-dip piece
Forming continuous glass fibre enhances thermoplastic composite plate.
3) it cuts typesetting: the space curved surface of product being launched into the curved surface in plane using 3D sculpting software, expansion is calculated
Method uses automobile industry popular software Catia built-in algorithm；
X=75mm delta offset is carried out by obtained plane curved surface profile；
By the final profile after offset, arranged according to the size of material use maximization principle and existing raw material plate
Version, cutting profile gap≤3mm when typesetting export cutting scheme typesetting figure to guarantee stock utilization；
4) custom mold: mold customization is carried out by design pattern, each angle and backboard parameter；
5) skeleton forming: before continuous glass fibre enhancing thermoplastic composite plate is first carried out blanking according to actual product dosage
Dosage calculate；
According to calculated result, carried out cutting feeding according to typesetting figure using CNC numerically controlled processing equipment；
Tablet after cutting is put into heating equipment linked transmission electric oven and is toasted 10 minutes at 130 DEG C；
Tablet after heating is put into molding die, point three sequences pressurization: precompressed: it is required that the 15% of pressure；Real pressure: it is required that
The 100% of pressure；Pressure maintaining: it is required that the 110% of pressure.It is for 5 seconds；Product stripping, deburring.
It is punched by design perforated parameters.
6) seat is installed: seat being made according to a conventional method, installs and uses.
Embodiment 1: mounting hole parameter, which provides, outstanding pulls power and fixation
Design composite seat backrest frames S=20cm；M=16cm；β=60 °；Concave arc-shaped section and the height of convex arc section are
3:5；The high H:100cm of composite back plate, composite back plate the widest part are W:65cm.The backrest frames are unidirectional continuous by 8 layers
Glass fiber reinforcement thermoplastic resin preliminary-dip piece hot pressing is compounded to form；Open the mounting hole of 2 diameter d1=d2=8mm；I is equal to
20mm；Ii=36mm；T=25mm.
Backrest intensity survey is carried out under the test condition of GB13057-2003 standard by backrest frames made from above-mentioned parameter
Examination, according to the test height H1 (500mm) of standard requirements, H2 (750mm), two test pulling force are respectively F1=4100N, F2=
1425N, corresponding two test point displacement x 1=125mm, x2=60mm.
Embodiment 2:
Design composite seat backrest frames S=20cm；M=16cm；β=60 °；Concave arc-shaped section and the height of convex arc section are
3:5；The high H:100cm of composite back plate, composite back plate the widest part are W:65cm.The backrest frames are unidirectional continuous by 8 layers
Glass fiber reinforcement thermoplastic resin preliminary-dip piece hot pressing is compounded to form；Open the mounting hole of 2 diameter d1=d2=11mm；Ii=
60mm；I is equal to 35mm；T=25mm.
Backrest intensity survey is carried out under the test condition of GB13057-2003 standard by backrest frames made from above-mentioned parameter
Examination, according to the test height H1 (500mm) of standard requirements, H2 (750mm), two test pulling force are respectively F1=3950N, F2=
1308N, corresponding two test point displacement x 1=230mm, x2=85mm.
Comparative example 1:
Design composite seat backrest frames S=20cm；M=16cm；β=60 °；Concave arc-shaped section and the height of convex arc section are
3:5；The high H:100cm of backrest frames, the widest part W:65cm.The backrest frames are by 8 layers of unidirectional continuous glass fibre
Enhancing thermoplastic resin preliminary-dip piece hot pressing is compounded to form；Open the mounting hole of 2 diameter d1=d2=15mm；I is equal to 37.5mm；
Ii=67.5mm；T=25mm.
Backrest intensity survey is carried out under the test condition of GB13057-2003 standard by backrest frames made from above-mentioned parameter
Examination, according to the test height H1 (500mm) of standard requirements, H2 (750mm), two test pulling force are respectively F1=3910N, F2=
1298N, corresponding two test point displacement x 1=285mm, x2=92mm.
Embodiment 3
Design composite seat backrest frames S=20cm；M=16cm；β=60 °；Concave arc-shaped section and the height of convex arc section are
3:5；The high H:100cm of backrest frames, the widest part W:65cm.The backrest frames are by 8 layers of unidirectional continuous glass fibre
Enhancing thermoplastic resin preliminary-dip piece hot pressing is compounded to form；Opening 2 diameters is respectively d1=8mm (i=24mm), d2=10mm (i=
Mounting hole 30mm)；Ii=50mm；T=25mm.
Backrest intensity survey is carried out under the test condition of GB13057-2003 standard by backrest frames made from above-mentioned parameter
Examination, according to the test height H1 (500mm) of standard requirements, H2 (750mm), two test pulling force are respectively F1=3985N, F2=
1320N, corresponding two test point displacement x 1=185mm, x2=79mm.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (8)
1. a kind of composite seat backrest frames, including continuous glass fibre enhance thermoplastic composite backboard, continuous glass fibers
The top of dimension enhancing thermoplastic composite backboard towards the one side of passenger-back is provided with concave arc-shaped section, the continuous glass fibre enhancing
The lower part of thermoplastic composite plate towards the one side of passenger-back is provided with convex arc section, and concave arc-shaped section is connected as one with convex arc section, shape
Enhance thermoplastic composite backboard at the continuous glass fibre of curved-surface structure, it is characterised in that: in the two sides of the composite back plate, if
Transition wing plate is set, mounting plane is arranged in transition wing plate two sides；Composite back plate, transition wing plate, mounting plane are integrally molded so as compound
Material seat back-rest framework；The mounting plane is prefabricated with the mounting hole that several diameters are d；The diameter d of any mounting hole with
And minimum range i of the mounting hole spacing from backrest frames edge meets i >=2d, preferably 3d >=i >=2d；Transition wing plate prolongs from top
Composite back plate bottom is extended to, width complies with curve from top to bottom, in smooth broadening trend, widest part width 20cm >=S >=8cm；
Mounting plane complies with transition wing plate curve from top to bottom, in smooth broadening trend, widest part width width 16cm >=M >=5cm.
2. a kind of composite seat backrest frames according to claim 1, it is characterised in that: several mounting holes
In, hole of two diameters of arbitrary neighborhood between the mounting hole of d1, d2 is in the heart away from ii >=2 (d1+d2), preferably 2.5 (d1+d2)
≥ii≥2(d1+d2)。
3. a kind of composite seat backrest frames according to claim 1, it is characterised in that: the composite material leans on
30 >=t of spine frame plate thickness >=15mm, preferably 30 >=t >=24mm.
4. a kind of composite seat backrest frames according to claim 1, it is characterised in that: the installation bore dia 12
>=d >=6mm, preferably 10 >=d >=8mm.
5. a kind of composite seat backrest frames according to claim 1, it is characterised in that: transition wing plate and adjacent
The composite back plate is connected, and is β in any measurement point transition wing plate of line and the average acute angle of composite back plate, is arranged 75 °
>=β >=30 °, recommendation take 0 °≤β≤60 °.
6. a kind of composite seat backrest frames according to claim 1, it is characterised in that: concave arc-shaped section and convex arc section
Height is 2-3:4-5.
7. a kind of composite seat backrest frames according to claim 1, it is characterised in that: the high H of composite back plate:
80-100cm, composite back plate the widest part are W:55-65cm.
8. a kind of composite seat backrest frames according to claim 1, it is characterised in that: the backrest frames are by even
Continuous glass fiber reinforcement thermoplastic composite plate is made, and the continuous glass fibre enhances thermoplastic composite plate by 6 layers~8 layers of list
It is compounded to form to continuous glass fibre enhancing thermoplastic resin preliminary-dip piece hot pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711338026.7A CN109955755A (en) | 2017-12-14 | 2017-12-14 | A kind of composite seat backrest frames |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711338026.7A CN109955755A (en) | 2017-12-14 | 2017-12-14 | A kind of composite seat backrest frames |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109955755A true CN109955755A (en) | 2019-07-02 |
Family
ID=67017900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711338026.7A Pending CN109955755A (en) | 2017-12-14 | 2017-12-14 | A kind of composite seat backrest frames |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109955755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110515A1 (en) * | 2020-11-30 | 2022-06-02 | 上海晋飞碳纤科技股份有限公司 | Connecting structure of a composite material chairback and fabrication method therefor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717740A (en) * | 2012-07-12 | 2012-10-10 | 上海延锋江森座椅有限公司 | Backrest skeleton of car |
| KR20160084878A (en) * | 2015-01-06 | 2016-07-15 | 한화첨단소재 주식회사 | Front seat back frame using complex material applied continuous fiber |
| CN106394364A (en) * | 2015-07-30 | 2017-02-15 | 广州金发碳纤维新材料发展有限公司 | Seat framework and processing technology thereof |
| CN106394365A (en) * | 2015-07-30 | 2017-02-15 | 广州金发碳纤维新材料发展有限公司 | Seat framework and processing technology thereof |
| CN206171478U (en) * | 2016-10-19 | 2017-05-17 | 广州金发碳纤维新材料发展有限公司 | A seat for in high -speed railway |
| US20170210264A1 (en) * | 2014-09-24 | 2017-07-27 | Lg Hausys, Ltd. | Seat-back frame, method for preparing the same, and seat-back for vehicle |
| CN208149129U (en) * | 2017-12-14 | 2018-11-27 | 广州金发碳纤维新材料发展有限公司 | A kind of composite seat backrest frames |
-
2017
- 2017-12-14 CN CN201711338026.7A patent/CN109955755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717740A (en) * | 2012-07-12 | 2012-10-10 | 上海延锋江森座椅有限公司 | Backrest skeleton of car |
| US20170210264A1 (en) * | 2014-09-24 | 2017-07-27 | Lg Hausys, Ltd. | Seat-back frame, method for preparing the same, and seat-back for vehicle |
| KR20160084878A (en) * | 2015-01-06 | 2016-07-15 | 한화첨단소재 주식회사 | Front seat back frame using complex material applied continuous fiber |
| CN106394364A (en) * | 2015-07-30 | 2017-02-15 | 广州金发碳纤维新材料发展有限公司 | Seat framework and processing technology thereof |
| CN106394365A (en) * | 2015-07-30 | 2017-02-15 | 广州金发碳纤维新材料发展有限公司 | Seat framework and processing technology thereof |
| CN206171478U (en) * | 2016-10-19 | 2017-05-17 | 广州金发碳纤维新材料发展有限公司 | A seat for in high -speed railway |
| CN208149129U (en) * | 2017-12-14 | 2018-11-27 | 广州金发碳纤维新材料发展有限公司 | A kind of composite seat backrest frames |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110515A1 (en) * | 2020-11-30 | 2022-06-02 | 上海晋飞碳纤科技股份有限公司 | Connecting structure of a composite material chairback and fabrication method therefor |
| JP2023509243A (en) * | 2020-11-30 | 2023-03-08 | 上海晋飛▲たん▼繊科技股▲ふん▼有限公司 | Composite material backrest connecting structure and manufacturing method thereof |
| US11737566B2 (en) | 2020-11-30 | 2023-08-29 | Shanghai Cedar Composites Technology Co., Ltd. | Connection structure for composite backrest and a method for making the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104401277B (en) | A kind of automobile collision preventing structural part and its preparation method | |
| US20100143661A1 (en) | Energy Absorption Material | |
| US4498649A (en) | Aircraft seating | |
| US10322655B2 (en) | Composite component for a vehicle seat, and vehicle seat | |
| US9649961B2 (en) | Composite component for a vehicle seat, and vehicle seat | |
| US8002345B2 (en) | Ultra light saddle structure, particularly for pedal-driven vehicles and process for making its support frame | |
| CN103029376B (en) | A kind of Metal-fiber composite laminate and manufacture method thereof | |
| CN107553997A (en) | A kind of rail traffic vehicles car body apron board structure and its forming method | |
| KR101396822B1 (en) | Method for manufacturing thermoplastic composite using continuous fiber reinforced thermoplastic prepreg sheet and thermoplastic compositemanufactured by that method | |
| CN103889778A (en) | Ultra lightweight seat for aircraft | |
| JP2019502591A (en) | Process for manufacturing apron plates for equipment cabins in high-speed railway vehicles with composite materials | |
| JP2023544794A (en) | High strength, low heat generation composite material | |
| CN109955754A (en) | A kind of composite seat backrest frames and its manufacturing method | |
| CN112955314B (en) | Comprising having SP 2 High-strength low-heat release member of resin layer of carbon material | |
| CN106536186A (en) | Laminate of a metal sheet and an adhesive layer bonded thereto | |
| CN208149129U (en) | A kind of composite seat backrest frames | |
| CN208149130U (en) | A kind of composite seat backrest frames | |
| CN208069482U (en) | A kind of composite seat backrest frames | |
| CN109955755A (en) | A kind of composite seat backrest frames | |
| CN109319122A (en) | It is mounted on the luggage compartment and its manufacturing method of means of transport fuselage side or top side | |
| CN105564283B (en) | Automotive seat carbon fiber skeleton | |
| US20230331128A1 (en) | Structural seat back shroud | |
| CN109955756A (en) | A kind of composite seat backrest frames and its manufacturing method | |
| CN105121118B (en) | The method for forming the seat back frame for the vehicles | |
| CN206171478U (en) | A seat for in high -speed railway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |