CN108656666A - A kind of light-high-strength luggage shell structure and its manufacture craft - Google Patents
A kind of light-high-strength luggage shell structure and its manufacture craft Download PDFInfo
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- CN108656666A CN108656666A CN201810220726.4A CN201810220726A CN108656666A CN 108656666 A CN108656666 A CN 108656666A CN 201810220726 A CN201810220726 A CN 201810220726A CN 108656666 A CN108656666 A CN 108656666A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/02—Open containers
- B32B2439/06—Bags, sacks, sachets
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of light-high-strength luggage shell structures, including luggage shell；The luggage shell is that MULTILAYER COMPOSITE laminate material is combined；The roller lifting hanging arm guiding mechanism for intaglio press includes the outer layer laid successively, middle layer and internal layer；The present invention enhances thermoplasticity material using superhigh molecular weight polyethylene fibers, and toughness and shock resistance are improved while reducing the weight of luggage；And glass or carbon fiber enhancing thermoplastic material is used to improve the rigidity, wearability and crushing resistance of luggage shell as face layer.
Description
Technical field
The invention belongs to luggage manufacturing technology field more particularly to a kind of light-high-strength luggage shell structure and its
Manufacture craft.
Background technology
Common luggage currently on the market mostly uses following material: 1）Makrolon (Polycarbonate), density
1.18-1.22 g/cm3,135 °C of heat distortion temperature, makrolon material water white transparency, heat-resisting, shock resistance, processing performance are excellent
It is different, it is fire-retardant good, there is good mechanical performance in commonly used temperature.But makrolon wears no resistance.2）Acrylonitrile-
Butadiene-styrene copolymer (Acrylonitrile Butadiene Styrene Copolymers), abbreviation ABS.ABS
It is a kind of intensity height, good toughness, thermoplastics type's Polymer Materials ' Structure easily processed into type.Comprehensive performance is preferable, impact strength
Higher, chemical stability, electrical property is good.3）Polypropylene（polypropylene）It is high for nontoxic, odorless, tasteless milky
The polymer of crystallization, density only have 0.91-0.91g/cm3, it is one of kind most light in current all plastics.Polyacrylic knot
Brilliant degree is high, compound with regular structure, and mechanical property belongs to relatively low kind in a plastic material, tensile strength only can reach 30 MPa or
Slightly higher level, product cold resistance is poor, and low temperature impact strength is low.In use easily light, heat and oxygen effect and aging.
In the production of practical luggage, above-mentioned material often used singly is extruded into plank, is then made by plastic uptake sizing
The shell of standby luggage.ABS and PC materials can also be used simultaneously, it is by co-extruding mould that ABS is compound when sheet extrusion
It squeezes out in PC plate material surface, then plastic uptake sizing.The outer layer of luggage is ABS materials, and internal layer is PC materials.
Following index designer the most is emphasized in the design and test of luggage, 1）Light weight, 2）Shock resistance, dropproof damage
Wound, 3）Babinet rigidity and resistance to compression deformation resistance, 4）Low-temperature flexibility, 5）Surface abrasion resistance scratch resistance 6) resistance to ag(e)ing etc..Existing material
Material is difficult to take into account above-mentioned all design objectives, and by taking PC babinets as an example, makrolon has good shock resistance, use ultra-thin
Design can mitigate box weight while meeting impact, however, to ensure that the rigidity requirement of luggage entirety and resistance to compression are wanted
It asks, the integral thickness of material but cannot be too thin.And the surface abrasion resistance of PC materials is poor, is used for luggage purposes easy to wear, often needs
To carry out later stage spraying cure process again to polycarbonate article surface.This brings potential environment while cost increases
Pollution.
In view of the above problems, therefore, it is necessary to it makes improvements.
Invention content
The present invention is to provide a kind of light weight, anti-pressure ability, toughness, anti-to overcome above-mentioned defect in the prior art
Impact property is strong, the high-strength light luggage shell structure and its manufacture craft of surface abrasion resistance.
In order to reach object above, the technical solution adopted in the present invention is：A kind of high-strength light luggage shell knot
Structure, including luggage shell；The luggage shell is that MULTILAYER COMPOSITE laminate material is combined；The roller lifting hanging arm guiding mechanism for intaglio press includes laying successively
Outer layer, middle layer and internal layer.
As a preferred embodiment of the present invention, the outer layer, which is glass or carbon fiber, enhances thermoplastic material；Middle layer is
Superhigh molecular weight polyethylene fibers enhance thermoplastic material；Internal layer, which is glass or carbon fiber, enhances thermoplasticity material or makrolon
Layer；Outer layer, middle layer and internal layer are combined plank by heating pressurization.
As a preferred embodiment of the present invention, the outer layer includes two layers of first fiber glass reinforced polypropylene sheet materials；It is described
Internal layer includes two layers of second fiber glass reinforced polypropylene sheet materials；Middle layer, which includes two layers of superhigh molecular weight polyethylene fibers, enhances poly- second
Alkene lamella.
As a preferred embodiment of the present invention, two layers of superhigh molecular weight polyethylene fibers enhancing polyethylene sheet layer at
0 degree is alternately arranged with an angle of 90 degrees.
As a preferred embodiment of the present invention, two layers of the fiber glass reinforced polypropylene sheet material is one group, the glass of outer layer
It is poly- that the fiber glass reinforced polypropylene sheet material of reinforced polypropylene sheet material and internal layer is connected to superhigh molecular weight polyethylene fibers enhancing
The upper and lower surface of ethylene lamella.
As a preferred embodiment of the present invention, the fiber glass reinforced polypropylene sheet material of the upper and lower surface is at 0 degree and 90 degree
Angle is alternately arranged.
A kind of manufacture craft of high-strength light luggage shell structure, it is characterised in that：Include the following steps：
1）It is prepared by fiber glass reinforced polypropylene lamella：Surface is selected to coat the roving glass of the sizing system compatible with PP,
Glass section is dispersed evenly to two layers of 0.1mm thickness poly- third by the glass section that 10mm length is then cut on special cutting apparatus
Between alkene film, it is 0.23mm, fiber reinforcement of the glass mass content 30% that thickness then, which is prepared, in 200 °C of lower hot-rolling pressures
Polypropylene lamella.
2）Superhigh molecular weight polyethylene fibers enhance the preparation of polyethylene sheet layer：Superhigh molecular weight polyethylene fibers are passed through
Dispersion roller is evenly dispersed, and applies gravitation and entered by guide roll between the polypropylene films of two layers of 90 °C of preheatings, then exists
Pressurize 1 minute under 160 °C of temperature conditions so that polypropylene fully heats and impregnates superhigh molecular weight polyethylene fibers；It is cooling to receive
The unidirectional band of superhigh molecular weight polyethylene fibers reinforced polypropylene of 0.2mm thickness is prepared in volume.
3）By the fiber glass reinforced polypropylene lamella and superhigh molecular weight polyethylene fibers that prepare enhancing polyethylene sheet layer by
It is overlapped according to the arrangement mode of AABBAABB.Wherein two layers A layers and two layers B layers be alternately arranged respectively according to 0 ° and 90 ° of angles.
4）The material for completing layer is put into hot press, at a temperature of 170 °C, applies the pressure of 2MPa, pressurize 1 minute,
Then natural cooling obtains the composite material laminated board that final average thickness is 1.25mm.
5）Above-mentioned 1.25mm thickness composite material is positioned in vacuum plastic-absorbing machine heating zone, surrounding is fixed with fixture；
6）Plastic plate is heated to softening temperature, then will be vacuumized in Case outer-shell mold, pass through the hole-shaped on mold
At negative pressure, plank is tightly attached to outer mold wall under the pressure of air and forms shell, cooling aftershaping trimming.
1. the manufacture craft of high-strength light luggage shell structure according to claim 7, it is characterised in that：When
When the toughness reguirements that direct plastic uptake stretches is not achieved in plate thickness, further include before step 4)：Joint-cutting is carried out to four angles of plank；
Further include after step 5)：The outer surface at four angles of luggage is encased with plastics cornerite, for being covered to joint-cutting.
The beneficial effects of the invention are as follows：The present invention enhances thermoplasticity material using superhigh molecular weight polyethylene fibers, is dropping
Toughness and shock resistance are improved while the weight of low luggage.And glass or carbon fiber is used to enhance thermoplastic material as face
Layer, improves the rigidity, wearability and crushing resistance of luggage shell.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Reference numeral in figure：Luggage shell 1, outer layer 2, the first fiber glass reinforced polypropylene sheet material 2-1, middle layer 3, super high molecular weight
Polyethylene fibre enhances polyethylene sheet layer 3-1, internal layer 4, the second fiber glass reinforced polypropylene sheet material 4-1.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the embodiment of the present invention.
Embodiment：As shown in Figure 1, a kind of high-strength light luggage shell structure, including luggage shell 1；The luggage shell
Body 1 is that MULTILAYER COMPOSITE laminate material is combined；The roller lifting hanging arm guiding mechanism for intaglio press includes the outer layer 2 laid successively, middle layer 3 and internal layer 4, institute
It is glass or carbon fiber enhancing thermoplastic material to state outer layer 2；Middle layer 3, which is superhigh molecular weight polyethylene fibers, enhances thermoplasticity material
Material；Internal layer 4, which is glass or carbon fiber, enhances thermoplasticity material or Polycarbonate Layer；Outer layer 2, middle layer 3 and internal layer 4 pass through heating
Pressurization is combined plank；Then Case outer-shell is prepared by traditional plastic uptake or heat pressing process in the plank.
Outer layer 2 includes two layers of first fiber glass reinforced polypropylene sheet material 2-1；The internal layer 4 includes two layers of second fiberglass reinforceds
Crystalline p p sheet 4-1；Middle layer 3, which includes two layers of superhigh molecular weight polyethylene fibers, enhances polyethylene sheet layer 3-1.
The present invention enhances thermoplasticity material using superhigh molecular weight polyethylene fibers, is carried while reducing the weight of luggage
High toughness and shock resistance.And glass or carbon fiber enhancing thermoplastic material is used to improve luggage shell as face layer
Rigidity, wearability and crushing resistance.
In 4 fiber-reinforced thermoplastic layer of outer layer 2 and internal layer, for enhancing the fiber of thermoplastic composite in heat
Shared ratio is 10~50% in plastic composites layer, and thermoplastic resin accounts for 50~90%.Silane coupling agent appropriate and its
His auxiliary agent（Such as increasing tougheness, compatilizer, fire retardant, antioxidant and nucleating agent）Conjunction accounts for 1~10%.Fiber can be glass fibre,
Carbon fiber etc., thermoplastic resin can be vistanex, thermoplastic polyester, makrolon, other resins for universal use or high-performance
One or more of engineering plastics.Fiber in enhancing thermoplastic composite there are length in 0.2-20mm.
In superhigh molecular weight polyethylene fibers reinforced resin layer, the superhigh molecular weight polyethylene fibers for enhancing,
Molecular weight is 1,500,000 or more, and shared ratio is 20~80% in this layer.Superhigh molecular weight polyethylene fibers are distributed in thermoplastic
Property resin layer in, shared ratio is 20~80% to thermoplastic resin in this layer, can be vistanex, EVA, TPE, TPU
Or other resins for universal use.Compatilizer appropriate and other auxiliary agents（Such as fire retardant, plasticizer, antioxidant）Conjunction accounts for 1~10%.It is super
High molecular weight polyethylene fiber is long fibre or continuous fiber, and the length of fiber in the composite is more than 5mm.
Two layers of superhigh molecular weight polyethylene fibers enhancing polyethylene sheet layer 3-1 is alternately arranged at 0 degree and an angle of 90 degrees, and glass increases
Two layers of strong crystalline p p sheet 2-1 is one group, the fiber glass reinforced polypropylene of the fiber glass reinforced polypropylene sheet material 2-1 and internal layer 4 of outer layer 2
Sheet material 4-1 is connected to the upper and lower surface of superhigh molecular weight polyethylene fibers enhancing polyethylene sheet layer 3-1, the upper and lower surface
Fiber glass reinforced polypropylene sheet material 2-1 is alternately arranged at 0 degree and an angle of 90 degrees；Using the above scheme so that board product all directions power
It is more uniform in performance, it ensure that the integral firmness and stability of luggage.
A kind of manufacture craft of high-strength light luggage shell structure, it is characterised in that：Include the following steps：
1）It is prepared by fiber glass reinforced polypropylene lamella：Surface is selected to coat the roving glass of the sizing system compatible with PP,
Glass section is dispersed evenly to two layers of 0.1mm thickness poly- third by the glass section that 10mm length is then cut on special cutting apparatus
Between alkene film, it is 0.23mm, fiber reinforcement of the glass mass content 30% that thickness then, which is prepared, in 200 °C of lower hot-rolling pressures
Polypropylene lamella.
2）Superhigh molecular weight polyethylene fibers enhance the preparation of polyethylene sheet layer：Superhigh molecular weight polyethylene fibers are passed through
Dispersion roller is evenly dispersed, and applies gravitation and entered by guide roll between the polypropylene films of two layers of 90 °C of preheatings, then exists
Pressurize 1 minute under 160 °C of temperature conditions so that polypropylene fully heats and impregnates superhigh molecular weight polyethylene fibers；It is cooling to receive
The unidirectional band of superhigh molecular weight polyethylene fibers reinforced polypropylene of 0.2mm thickness is prepared in volume.
3）A layers of the fiber glass reinforced polypropylene lamella that will be prepared）Enhance polythene strip with superhigh molecular weight polyethylene fibers
B layers of layer）It is overlapped according to the arrangement mode of AABBAABB.Wherein two layers A layers and two layers B layers respectively according to 0 ° and 90 ° of angles
It is alternately arranged.
4）The material for completing layer is put into hot press, at a temperature of 170 °C, applies the pressure of 2MPa, pressurize 1 minute,
Then natural cooling obtains the composite material laminated board that final average thickness is 1.25mm.
5）Above-mentioned 1.25mm thickness composite material is positioned in vacuum plastic-absorbing machine heating zone, surrounding is fixed with fixture；
6）Plastic plate is heated to softening temperature, then will be vacuumized in Case outer-shell mold, pass through the hole-shaped on mold
At negative pressure, plank is tightly attached to outer mold wall under the pressure of air and forms shell, cooling aftershaping trimming.
When the toughness reguirements that direct plastic uptake stretches is not achieved in plate thickness, further include before step 4)：To plank four
Angle carries out joint-cutting；Further include after step 5)：The outer surface at four angles of luggage is encased with plastics cornerite, for being carried out to joint-cutting
It covers.
The effect of joint-cutting is when the thinner thickness of the outer layer material of selection, and the requirement that blowing stretches is not achieved in toughness, just
It needs first to carry out joint-cutting to four angles, and needs the position setting angle branch at four angles on the inside of luggage after the completion of prior art joint-cutting
Bracer carries out reinforcement fixation for the position to four angle joint-cuttings, reuses plastics cornerite and wraps four outside of angle and is used for
Joint-cutting is covered；After the technical program, the inside at four angles is without being arranged corner supporting block, when expanded material is molded
It has been realized in four fixed functions in angle, to eliminate corner supporting block this component, and intensity higher, reduces simultaneously
Cost simplifies technique.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention；Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Although reference numeral in figure is used more herein：Luggage shell 1, outer layer 2, the first fiber glass reinforced polypropylene piece
Material 2-1, middle layer 3, superhigh molecular weight polyethylene fibers enhance polyethylene sheet layer 3-1, internal layer 4, the second fiber glass reinforced polypropylene
The terms such as sheet material 4-1, but it does not preclude the possibility of using other terms.The use of these items is only for more easily retouch
State and explain the essence of the present invention；Any one of the additional limitations is construed as all to disagree with spirit of that invention.
Claims (8)
1. a kind of light-high-strength luggage shell structure, it is characterised in that：Including luggage shell（1）；The luggage shell（1）
It is combined for MULTILAYER COMPOSITE laminate material；The roller lifting hanging arm guiding mechanism for intaglio press includes the outer layer laid successively（2）, middle layer（3）And internal layer
（4）.
2. a kind of light-high-strength luggage shell structure according to claim 1, it is characterised in that：The outer layer
（2）Enhance thermoplastic material for glass or carbon fiber；Middle layer（3）Enhance thermoplastic material for superhigh molecular weight polyethylene fibers；
Internal layer（4）Enhance thermoplasticity material or Polycarbonate Layer for glass or carbon fiber；Outer layer（2）, middle layer（3）And internal layer（4）It is logical
It crosses heating pressurization and is combined plank.
3. a kind of light-high-strength luggage shell structure according to claim 1 or 2, it is characterised in that：It is described outer
Layer（2）Including two layers of first fiber glass reinforced polypropylene sheet materials（2-1）；The internal layer（4）Including two layers of second fiberglass reinforceds poly- third
Alkene sheet material（4-1）；Middle layer（3）Enhance polyethylene sheet layer including two layers of superhigh molecular weight polyethylene fibers（3-1）.
4. a kind of light-high-strength luggage shell structure according to claim 3, it is characterised in that：It is described two layers to surpass
High molecular weight polyethylene fiber enhances polyethylene sheet layer（3-1）It is alternately arranged at 0 degree and an angle of 90 degrees.
5. a kind of light-high-strength luggage shell structure according to claim 3, it is characterised in that：The glass increases
Strong crystalline p p sheet（2-1）Two layers is one group, outer layer（2）Fiber glass reinforced polypropylene sheet material（2-1）And internal layer（4）Glass increase
Strong crystalline p p sheet（4-1）It is connected to superhigh molecular weight polyethylene fibers enhancing polyethylene sheet layer（3-1）Upper and lower surface.
6. a kind of light-high-strength luggage shell structure according to claim 5, it is characterised in that：Two above and below described
The fiber glass reinforced polypropylene sheet material in face（2-1）It is alternately arranged at 0 degree and an angle of 90 degrees.
7. a kind of such as the manufacture craft of the light-high-strength luggage shell structure of claim 1-6, spy
Sign is：Include the following steps：
1）It is prepared by fiber glass reinforced polypropylene lamella：Surface is selected to coat the roving glass of the sizing system compatible with PP,
Glass section is dispersed evenly to two layers of 0.1mm thickness poly- third by the glass section that 10mm length is then cut on special cutting apparatus
Between alkene film, it is 0.23mm, fiber reinforcement of the glass mass content 30% that thickness then, which is prepared, in 200 °C of lower hot-rolling pressures
Polypropylene lamella；
2）Superhigh molecular weight polyethylene fibers enhance the preparation of polyethylene sheet layer：Superhigh molecular weight polyethylene fibers are passed through into dispersion
Roller is evenly dispersed, and applies gravitation and entered by guide roll between the polypropylene film of two layers of 90 °C of preheatings, then in 160 °C of temperature
Pressurize 1 minute under the conditions of degree so that polypropylene fully heats and impregnates superhigh molecular weight polyethylene fibers；Cooling winding is prepared into
To the unidirectional band of superhigh molecular weight polyethylene fibers reinforced polypropylene of 0.2mm thickness；
3）The fiber glass reinforced polypropylene lamella that will be prepared（A layers）Enhance polyethylene sheet layer with superhigh molecular weight polyethylene fibers（B
Layer）Be overlapped according to the arrangement mode of AABBAABB, wherein two layers A layers and two layers B layer replace respectively according to 0 ° and 90 ° of angles
Arrangement；
4）The material for completing layer is put into hot press, at a temperature of 170 °C, applies the pressure of 2MPa, pressurize 1 minute, then
Natural cooling obtains the composite material laminated board that final average thickness is 1.25mm；
5）Above-mentioned 1.25mm thickness composite material is positioned in vacuum plastic-absorbing machine heating zone, surrounding is fixed with fixture；
6）Plastic plate is heated to softening temperature, then will be vacuumized in Case outer-shell mold, pass through the hole-shaped on mold
At negative pressure, plank is tightly attached to outer mold wall under the pressure of air and forms shell, cooling aftershaping trimming.
8. the manufacture craft of light-high-strength luggage shell structure according to claim 7, it is characterised in that：Work as plate
When the toughness reguirements that direct plastic uptake stretches is not achieved in material thickness, further include before step 4)：Joint-cutting is carried out to four angles of plank；Step
It is rapid 5) to further include later：The outer surface at four angles of luggage is encased with plastics cornerite, for being covered to joint-cutting.
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| CN201810220726.4A CN108656666A (en) | 2018-03-16 | 2018-03-16 | A kind of light-high-strength luggage shell structure and its manufacture craft |
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| CN201810220726.4A CN108656666A (en) | 2018-03-16 | 2018-03-16 | A kind of light-high-strength luggage shell structure and its manufacture craft |
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Cited By (3)
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| CN111497414A (en) * | 2020-04-27 | 2020-08-07 | 嘉兴领科材料技术有限公司 | Manufacturing process of biodegradable luggage shell |
| CN112060713A (en) * | 2020-09-23 | 2020-12-11 | 湖南省亚玛图工贸有限公司 | Case and bag shell material |
| CN114683624A (en) * | 2022-04-14 | 2022-07-01 | 山东莱威新材料有限公司 | Multilayer composite board based on ultra-high molecular weight polyethylene fibers and preparation method thereof |
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