CN110154433A - The production method and production equipment of thermoplastic composite core material - Google Patents

The production method and production equipment of thermoplastic composite core material Download PDF

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Publication number
CN110154433A
CN110154433A CN201910390905.7A CN201910390905A CN110154433A CN 110154433 A CN110154433 A CN 110154433A CN 201910390905 A CN201910390905 A CN 201910390905A CN 110154433 A CN110154433 A CN 110154433A
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CN
China
Prior art keywords
core material
unit piece
material unit
outbound course
along
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
Application number
CN201910390905.7A
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Chinese (zh)
Inventor
张志成
梁文斌
马伊
文成玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Investment Corp Ltd
National Institute of Clean and Low Carbon Energy
Original Assignee
China Energy Investment Corp Ltd
National Institute of Clean and Low Carbon Energy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Energy Investment Corp Ltd, National Institute of Clean and Low Carbon Energy filed Critical China Energy Investment Corp Ltd
Priority to CN201910390905.7A priority Critical patent/CN110154433A/en
Publication of CN110154433A publication Critical patent/CN110154433A/en
Pending legal-status Critical Current

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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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/22—Corrugating
    • B29C53/24—Corrugating of plates or sheets
    • B29C53/26—Corrugating of plates or sheets parallel with direction of feed
    • B29C53/265—Corrugating of plates or sheets parallel with direction of feed using rolls or endless bands
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/438—Joining sheets for making hollow-walled, channelled structures or multi-tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0089—Producing honeycomb structures

Abstract

The invention discloses the production method and production equipment of a kind of thermoplastic composite core material, which includes: the geometry sheet material or flat sheets that functional layer and structure sheaf with through-thickness stacking are persistently exported along assembly line outbound course；By flat sheets or geometry sheet material is orientated along the stretching of assembly line outbound course and division processing is at multiple core material unit pieces, and the length direction wherein at least processed in the sheet surface of the core material unit piece of part along core material unit piece repeats the non-closed solid presented；The stacking of each core material unit piece is spliced into unit spliced body, multiple axial aperture structures that solid is spliced wherein are formed through in unit spliced body.Production equipment includes hot composite extruding mould, plastic film forming system, cutting assembly, guide-localization component and glue rifle etc..The production method and production equipment of thermoplastic composite core material of the invention can produce double layer sheet structure thermoplastic's composite core material of excellent in mechanical performance low-cost, high-volumely.

Description

The production method and production equipment of thermoplastic composite core material
Technical field
The present invention relates to technical field of material formation, and in particular, to a kind of production method of thermoplastic composite core material and Production equipment.
Background technique
Honeycomb core plate not only has the advantages that low-density, high intensity, and it is many excellent to be also equipped with damping, sound insulation, heat-insulated etc. Performance, therefore it is widely used in the fields such as ship, communications and transportation, aerospace.Wherein, cellular thermoplastic core material has more pole Regeneration can be recycled in high specific strength, waste material, hot formability can wait advantages well, compared to traditional metal material and non-renewable Thermosetting material it is more competitive.
With the continuous upgrading of practical application request, the cellular thermoplastic core material prepared by single structure material cannot expire The application scenarios of the various complexity of foot.In practical application scene, cellular thermoplastic core material is in addition to needing to reach wanting for lightweight heavy duty Ask, toward contact need adaptively to increase for different use environments it is some use function, such as flame retardant property, sound-proofing Energy, antiseptic property etc..Existing honeycombed core material is usually filled out by adding function in decentralized manner in the basis material of honeycomb wall The mode of material generates new function, but functional material is limited to the characteristic distributions of addible ratio and dispersibility, produce Raw functional effect is also significantly limited.In addition, in order to further increase the intensity of honeycombed core material, usually by honeycomb wall The mode of reinforcing material is added in basis material in decentralized manner to realize, but reinforcing material is limited to addible ratio and divides The characteristic distributions of property are dissipated, the reinforcing effect generated is also significantly limited.Existing thermoplasticity core material is still more in functional requirement as a result, There are bottlenecks with how to further enhance mechanical strength aspect for sampleization.
Summary of the invention
In view of the above drawbacks of the prior art or insufficient, the present invention provides a kind of production methods of thermoplastic composite core material And production equipment, can be realized low-cost, high-volume can produce excellent in mechanical performance and be suitable for severe to Structural strength calls The double-layer structure thermoplastic composite core material of the application field at quarter.
To achieve the above object, the present invention provides a kind of production methods of thermoplastic composite core material, comprising:
The geometry sheet material of functional layer and structure sheaf with through-thickness stacking is persistently exported along assembly line outbound course Or flat sheets；
By the flat sheets or geometry sheet material is orientated along assembly line outbound course stretching and division processing is at multiple Core material unit piece wherein at least processes the length along the core material unit piece in the sheet surface of the core material unit piece of part It spends direction and repeats the non-closed solid presented；
Each core material unit piece stacking is spliced into unit spliced body, wherein being formed in the unit spliced body logical Cross multiple axial aperture structures that the solid is spliced.
In some embodiments, in the geometry sheet material or flat sheets, the functional layer can have with the structure sheaf There is compatibility and in Mo Neire composite molding.
In some embodiments, the output processing method of the flat sheets or geometry sheet material can be extrusion, calendering, curtain coating Or roll-in processing；And/or the processing method of the solid can squeeze for roll-type mold, plate mold squeezes or chain type mold It squeezes；And/or along the flat sheets or geometry sheet material that the assembly line outbound course persistently exports, the structure sheaf Lamellar spacing can be not less than 0.1mm.
Optionally, the axial aperture structure includes splicing axis hole and the circumferentially closed axis hole week around the splicing axis hole The external diameter of a circle of wall, the splicing axis hole of arbitrary shape is not less than 1mm；And/or the splicing axis hole of arbitrary shape Hole axial length and the splicing axis hole circumscribed circle diameter ratio be not more than 200.
Optionally, the material of the structure sheaf includes thermoplastic polymer, the thermoplastic polymer of filler filling, fiber increasing Strong thermoplastic resin based composite material, plastic deformation paper and/or steel plastic compount object.
Optionally, the thermoplastic polymer is polypropylene, polyethylene, polyamide, thermoplastic polyester, polyvinyl chloride, gathers Styrene, polycarbonate, polyphenylene oxide, thermoplastic elastomer (TPE), multi-component copolymer thermoplastic, polymethyl methacrylate, polyphenyl One of thioether, polyether-ether-ketone and polyimides or in which a variety of blends；
Alternatively, the filler in the thermoplastic polymer of filler filling is wax, talcum powder, carbon black, white carbon black, kaolinite One of soil, calcium carbonate, stearic acid, calcium stearate, whisker, titanium dioxide, iron oxide, pigment, fire retardant and antioxidant or Many of composition；
Alternatively, the fiber in the fibre-reinforced thermoplastic resin based composite material is organic fiber, inorfil, gold Belong to one of fiber, macromolecular fibre, plant fiber or a variety of；
Alternatively, the fiber in the fibre-reinforced thermoplastic resin based composite material is glass fibre, carbon fiber, the Black Warrior Rock fiber, steel wire fibre, polypropylene fibre, polyester fiber, ultra high molecular weight polyethylene fiber, polyimide fiber and flaxen fiber One of or many of composition.
Optionally, the functional layer be flame-retardant layer, UV-resistant layer, color layers, thermal resistance or heat transfer layer, saturating magnetic or resistance magnetosphere, One or more of antibiotic layer or puigging function combination layer,；And/or the material of the functional layer includes fire-retardant filler Filled polymer, uvioresistant filler filled polymer, paint filler filled polymer, thermal resistance or heat-transfer filler filled polymer, One of saturating magnetic or resistance magnetic filler filled polymer, antibacterial filler filled polymer, sound insulation filler filled polymer are more Kind composition.
In some embodiments, by the flat sheets or geometry sheet material division processing at multiple core material unit pieces When, multiple core material unit pieces can successively arrange along the assembly line outbound course and prolong along broadside outbound course in band-like It stretches.
In some embodiments, each core material unit piece stacking is spliced into unit spliced body can include:
Each core material unit piece is overturn into predetermined angle, so that the length direction of the core material unit piece after overturning It keeps forming folder between the broadside outbound course, the width direction of the core material unit piece and the assembly line outbound course Angle；
Each core material unit piece stacking is spliced into the unit spliced body along the assembly line outbound course.
Optionally, include: by each core material unit piece overturning predetermined angle
Keep the reverses direction of two core material unit pieces of arbitrary neighborhood opposite；
Wherein, successively arrange along the assembly line outbound course the first core material unit piece, the second core material unit piece and In third core material unit piece, the institute of the first core material unit piece of the structure sheaf and side of the second core material unit piece Structure sheaf is stated to be aligned along the assembly line outbound course, the functional layer of the second core material unit piece and the other side it is described The functional layer of third core material unit piece is aligned along the assembly line outbound course.
Optionally, include: by each core material unit piece overturning predetermined angle
Keep the reverses direction of two core material unit pieces of arbitrary neighborhood identical；
Wherein, successively arrange along the assembly line outbound course the first core material unit piece, the second core material unit piece and In third core material unit piece, the institute of the first core material unit piece of the structure sheaf and side of the second core material unit piece Functional layer is stated to be aligned along the assembly line outbound course, the functional layer of the second core material unit piece and the other side it is described The structure sheaf of third core material unit piece is aligned along the assembly line outbound course.
Further, each core material unit piece stacking is spliced into unit spliced body may also include that
The adjustment core material unit piece is moved along the broadside outbound course, so that two core material lists of arbitrary neighborhood In first piece, the geometry high point of one is aligned with the geometry low spot of another one along the assembly line outbound course.
In some embodiments, the flat sheets or geometry sheet material are orientated along assembly line outbound course stretching can Include:
The flat sheets or geometry sheet material is set to form output speed difference between adjacent line processing equipment to draw Orientation is stretched, wherein any postorder output speed of the flat sheets or geometry sheet material is not small along the assembly line outbound course In preamble output speed, and the flat sheets or geometry sheet material include that output speed is greater than any preamble output speed At least one described postorder output speed.
Optionally, the production method further include:
So that when the vertical direction of the flat sheets or the sheet surface of geometry sheet material is to bear compressive load direction, The material volume utilization rate of the unit spliced body is not less than 60%, it is preferred that material volume utilization rate is not less than 80%；
And/or on the core material cross section for being parallel to the sheet surface of the unit spliced body, plane voidage is not Lower than 40%, further, the plane voidage is not less than 60%.
According to another aspect of the present invention, a kind of production equipment of thermoplastic composition core material is provided, it may include:
Thermoplastic material molding equipment has the function of through-thickness stacking for persistently exporting along assembly line outbound course The geometry sheet material or flat sheets of layer and structure sheaf；
Core material unit piece machine-shaping component is used for the flat sheets or geometry sheet material along the assembly line output side It is orientated to stretching and division processing is at multiple core material unit pieces, wherein at least in the sheet surface of the core material unit piece of part The length direction processed along the core material unit piece repeats the non-closed solid presented；
Unit spliced body splicing component, for each core material unit piece stacking to be spliced into unit spliced body, wherein Multiple axial aperture structures that the solid is spliced are formed through in the unit spliced body.
In some embodiments, the thermoplastic material molding equipment may include the first extrusion die arranged up and down and second The hot composite molding section of extrusion die and the molding extrusion positioned at first extrusion die and second extrusion die.
Further, the core material unit piece machine-shaping component can include:
Plastic film forming system, for processing the flat sheets or geometry sheet material at least part of plastic table It is processed on face and repeats the non-closed solid presented along broadside outbound course, wherein the thermoplastic material molding is set The standby output speed that is formed between the plastic film forming system and/or between the plastic film forming system is poor, with Formation is orientated the stretching of the flat sheets or geometry sheet material along the assembly line outbound course；
Cutting assembly, for the flat sheets or geometry sheet material after the broadside outbound course cutting processing, with Form the multiple institutes being broadly arranged successively along described assembly line outbound course etc. and along the broadside outbound course in band-like extension State core material unit piece.
In addition, the unit spliced body splicing component can include:
Guide-localization component, for each core material unit piece to be overturn predetermined angle, so that the core after overturning The length direction of material unit piece is kept along the broadside outbound course, the width direction of the core material unit piece and the assembly line Angle is formed between outbound course；
Core material unit piece splicing component, for each core material successively arranged of putting together along the assembly line outbound course Unit piece is spliced into unit spliced body to be laminated.
In the production method of thermoplastic composite core material of the invention, pass through the phase in processing flat sheets or geometry sheet material It is poor that output speed is formed on adjacent line processing equipment, to be formed along assembly line outbound course to flat sheets or geometry piece The stretching of material is orientated, i.e., so that strand, packing material or the strengthening material of flat sheets or geometry sheet material in process Material etc. is orientated along the direction for bearing heavy duty, so that the mechanical property in thermoplastic composite core material carrying direction of the invention is increased By force.Also, production method of the invention can persistently export the double-deck plastic material for example, by hot composite extruding mould etc., and production connects Continuous property is preferable, can pile line operation, integration produces honeycomb ceramics, and high production efficiency, can be mass-produced application, reduces and produces Cost, and production process only separates and the processing methods such as roll-in, no waste of material.In addition, production equipment of the invention is equal It is made of multiple relatively simple devices, substantially reduces production cost and can realize continuous large-scale production.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow diagram of the production method of thermoplastic composite core material according in specific embodiments of the present invention；
Fig. 2 is the thermoplastic material molding equipment according to a kind of specific embodiment of invention；
Fig. 3 is a kind of structural schematic diagram of specific embodiment applied to the production equipment in the production method of Fig. 1；
Fig. 4 is the structural schematic diagram of another specific embodiment applied to the production equipment in the production method of Fig. 1；
Fig. 5 is the core material unit piece for constituting a kind of minimum constituent unit of specific embodiment of unit spliced body of the invention Main view；
Fig. 6 is the partial enlargement diagram of Fig. 5；
Fig. 7 illustrates a kind of stereochemical structure of the thermoplastic composite core material of specific embodiment according to the present invention；
Fig. 8 is the main view of Fig. 7；
Fig. 9 illustrates a kind of mode of stacking splicing of core material unit piece shown in fig. 5, wherein the two of arbitrary neighborhood core The reverses direction of material unit piece is identical；
Figure 10 is the partial enlargement diagram of Fig. 9；
Figure 11 illustrates the mode of another stacking splicing of core material unit piece shown in fig. 5, wherein the two of arbitrary neighborhood The reverses direction of a core material unit piece is opposite；
Figure 12 is the partial enlargement diagram of Figure 11；
Figure 13 is to illustrate a kind of main view of the structure of thermoplastic composite core material according to the present invention, splicing axis therein There are many shape, the planform of adjacent core material unit piece is different in hole.
Description of symbols:
100 unit spliced bodies 101 splice axis hole
102 geometry high point, 103 geometry low spot
104 solid, 105 the first inner hole of solid
106 the second inner hole of solid, 1 thermoplastic material molding equipment
1a the first extrusion die the second extrusion die of 1b
Hot 2 ' the plastic film forming system of composite molding section of 1c
3 glue rifle, 4 cutting assembly
5 guide-localization component, 6 core material unit piece splicing component
5a forward direction diverter 5b counter steering device
10 flat sheets, 10 ' geometry sheet material
30 core material unit pieces
31 smooth 32 geometry core material unit pieces of core material unit piece
A structure sheaf B functional layer
D1 first direction D2 second direction
D3 third direction Z flowing water line platform vertical direction
X assembly line outbound course Y broadside outbound course
A angle
W width direction L length direction
OO' solid the first inner hole centreline PP ' rotation axis
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In embodiments of the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is logical Be often for direction shown in the drawings either for it is vertical, vertically or on gravity direction for the mutual position of each component Set relationship description word.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiment.
A kind of thermoplastic composite core material and its production method and production equipment are provided in exemplary embodiment of the present invention. As shown in Fig. 5~Fig. 8, thermoplastic composite core material of the invention be honeycombed core material, unit spliced body 100 as shown in the figure, The unit spliced body 100 is by multiple 30 groups of core material unit pieces extended along first direction D1 and D2 stacking is spliced in a second direction At by being orientated to strand, the packing material etc. in core material unit piece 30, so that 100 draw direction of unit spliced body Mechanical property greatly enhance.
Existing cellular thermoplastic core material usually passes through the matrix material in honeycomb wall to improve the intensity of honeycombed core material The mode of reinforcing material is added in material in decentralized manner to realize, but reinforcing material be limited to addible ratio and dispersibility Characteristic distributions, often dispersibility is big and is difficult to control accurately the structure and performance of material for performance, therefore the reinforcing effect of its generation It is significantly limited.In addition, existing cellular thermoplastic core material usually by adding function in decentralized manner in the basis material of honeycomb wall Can the mode of filler increase the new function of cellular thermoplastic core material, such as fire-retardant, solar heat protection, shielding, sound absorption function.But it is such What mode was also limited by functional stuffing adds maximum ratio and actual distribution situation, the functional effect that functional stuffing generates It is significantly limited.
Compared to existing cellular thermoplastic core material, thermoplastic composite core material of the invention is in addition to maintaining original structure material Other than the advantage of the lightweight heavy duty of material, the production method of novel thermoplastic composite core material of the invention passes through to core material unit piece Strand, packing material in 30 etc. are orientated, can produce mechanical property it is more excellent and be suitable for Structural strength calls more The thermoplastic composite core material of harsh application field.At the same time, the honeycomb wall of thermoplastic composite core material of the invention is structure The hot composite construction of double layer sheet of layer complex functional layer, adaptability by different functional material and structural material heat it is compound with The inaccessiable comprehensive performance of single structure material institute is obtained, the diversified demand in practical application is met.
In addition, one is circular pipe type honeycomb core materials there are mainly two types of cellular thermoplastic shape core materials on the market, i.e., by squeezing Be blow molded to form the lesser round tube of wall thickness after the thicker round tube of wall thickness out, and more round tubes are piled stick together after be put into oven progress Heating, mutually bonding forms circular pipe type honeycombed core material after round tube heating.The production of this circular pipe type honeycomb core material is simple but does not connect It is continuous, production efficiency is low.There are also one is half honeycomb-shaped structure is formed in sheet surface plastic uptake, then sheet material after molding is folded At honeycomb body structure, foldable cellular core material production is continuous but control is complicated, and material waste is more.Furthermore it is either round Tubular type honeycomb core material or foldable cellular core material are required through the molding of the production technology of blow molding or plastic uptake, blow molding or suction Modeling both limited by tonnage and the plastic property of thermoplastic material etc. so that the thickest of cellular thermoplastic core material it is limited and It is easy to produce broken wall, is unfavorable for adding structured packing or functional stuffing, causes the application of thermoplasticity core material limited, it can not Meet the diversified demand in practical application.
Further, referring to Fig. 1, the production method of thermoplastic composite core material of the invention can realize continuous continuous productive process, High production efficiency substantially reduces production cost, realizes economizing type production, and without plastic uptake or the production technology of blow molding, Limitation in terms of without wall thickness, can produce the thermoplastic composite core material of relatively thick, at the same can add various reinforcing fillers or Person's functional stuffing will not generate broken wall, expand the application of thermoplastic composite core material of the invention significantly.
Further, referring to fig. 2~Fig. 4, for the production method of thermoplastic composite core material of the invention, correspondingly, The present invention also provides the production equipment of two kinds of thermoplastic composite core materials, the production equipment is by multiple relatively simple device groups At substantially reducing production cost and can realize continuous large-scale production.
Thermoplastic composite core material and its production method and production equipment of the invention will be addressed below.
Wherein, thermoplastic composite core material and its production method and production equipment of the invention for ease illustration and understanding, It is assembly line along the direction that assembly line persistently exports that flat sheets 10 or geometry sheet material 10 ', which are defined, from thermoplastic material molding equipment 1 Outbound course X, the i.e. length direction of flat sheets 10 or geometry sheet material 10 '；Define the width of flat sheets 10 or geometry sheet material 10 ' Spend the broadside outbound course Y that direction is flat sheets 10 or geometry sheet material 10 '；Definition is vertical perpendicular to the direction of flowing water line platform Histogram is to Z.Referring to Fig. 3, Fig. 4, coordinate origin is arranged at the upstream of thermoplastic material molding equipment 1, and defeated by assembly line Direction X, broadside outbound course Y and flowing water line platform vertical direction Z define the absolute seat of each group of production equipment jointly out Mark system.The width direction W for defining core material unit piece 30 is the third direction D3 of unit spliced body 100；Define core material unit piece 30 Length direction L be unit spliced body 100 first direction D1；The thickness direction of definition unit spliceosome 100 is unit spliced The second direction D2 of body.
Referring to Fig. 1, the production method of thermoplastic composite core material of the invention may include step:
S41, the geometry that functional layer and structure sheaf with through-thickness stacking are persistently exported along assembly line outbound course X Sheet material 10 ' or flat sheets 10；
S42, by flat sheets 10 or geometry sheet material 10 ' along assembly line outbound course X stretching be orientated simultaneously division processing at more A core material unit piece 30 wherein at least processes the length along core material unit piece 30 in the sheet surface of the core material unit piece 30 of part It spends direction L and repeats the non-closed solid 104 presented；
S43, the stacking of each core material unit piece 30 is spliced into unit spliced body 100, is wherein formed in unit spliced body 100 There are the multiple axial aperture structures being spliced by solid 104.
The production method of thermoplastic composite core material of the invention by flat sheets 10 or geometry sheet material 10 ' along assembly line Outbound course carries out stretching orientation, so that the strand of flat sheets 10 or geometry sheet material 10 ', packing material etc. are along draw direction It is orientated, so that the mechanical property that unit spliced body 100 stretches differently- oriented directivity greatly enhances.Production of the invention as a result, Method can produce mechanical property it is more excellent and be suitable for the application field harsher to Structural strength calls thermoplastic composite core Material.
Specifically, production method of the invention on adjacent line processing equipment by forming flat sheets 10 or several The output speed difference of what sheet material 10 ' carries out stretching orientation to flat sheets 10 or geometry sheet material 10 '.In the effect of this pulling force Under, strand, packing material or reinforcing material of script disorder distribution etc. are along pulling force in geometry sheet material 10 ' or flat sheets 10 The direction of effect carries out ordered arrangement, i.e., is orientated along direction of pull, so that flat sheets 10 or geometry sheet material 10 ' Mechanical property generates anisotropy and is greatly enhanced in differently- oriented directivity.General cellular-core product is primarily subjected to along third The load of direction D3 (namely along the direction of the first inner hole centreline of solid OO'), the i.e. width direction of core material unit piece 30 W.In an embodiment of the present invention, as shown in figure 3, core material unit piece 30 stretches the width that the direction being orientated is core material unit piece 30 Spend direction W.In other words, the load bearing direction of thermoplastic composite core material is the orientation side of core material unit piece 30 of the invention To thermoplastic composite core material that is, of the invention possesses better mechanical strength on load bearing direction.
Wherein, line processing equipment may be, for example, thermoplastic material molding equipment 1 and plastic film forming system 2 ', may be used also For the manufacturing and processing equipment of other output speeds that can change flat sheets 10 or geometry sheet material 10 ', the invention is not limited thereto.Heat Moulding material molding equipment 1 can be processed by extrusion, calendering, curtain coating or roll-in processing method and export flat sheets 10 or geometry piece Material 10 ', then flat sheets 10 or geometry sheet material 10 ' thermoplastic material molding equipment 1 output speed can for flat sheets 10 or Extrusion molding speed, calendering formation speed, tape casting speed or the excircle of roll-in pair of geometry sheet material 10 ' form linear velocity Deng.Plastic film forming system 2 ' can be used for example, roll-type mold squeeze or chain type mold squeeze etc., then flat sheets 10 or Geometry sheet material 10 ' can form linear velocity or chain type mould in the output speed of plastic film forming system 2 ' for the excircle of roll-in pair Periphery molding linear velocity of tool etc..
Wherein, any two speed for flat sheets 10 or geometry sheet material 10 ' on viewing pipeline, preamble output Speed is the output speed of relatively close viewing pipeline upstream, and postorder output speed is relatively close viewing pipeline downstream Output speed.In order to prevent flat sheets 10 or geometry sheet material 10 ' accumulate and guarantee on viewing pipeline flat sheets 10 or The smooth output of geometry sheet material 10 ', along assembly line outbound course X, any postorder of flat sheets 10 or geometry sheet material 10 ' exports speed Degree is not less than preamble output speed.Also, in order to enable flat sheets 10 or geometry sheet material 10 ' are carried out along assembly line outbound course Orientation, need to form at least one output speed difference on viewing pipeline to draw flat sheets 10 or geometry sheet material 10 ' Orientation is stretched, in other words, need to guarantee flat sheets 10 or geometry sheet material 10 ' includes that output speed is greater than any preamble output speed At least one postorder output speed.
In step S41, either along the assembly line outbound course X flat sheets 10 persistently exported or geometry sheet material 10 ', the two is the hot composite construction of double layer sheet, i.e., through-thickness has the structure sheaf A and functional layer B being laminated.Structure sheaf A There is compatibility with the material of functional layer B, i.e., along the structural material and functional material of assembly line outbound course X synchronism output in mould Can not be carried out by binder in tool it is compound, can the hot composite molding directly in production line.Double layer sheet heat is compound as a result, Structure can be exported continuously along assembly line outbound course X straight forming, and simple production process is continuous.In addition, thermoplasticity of the invention Select different functional material and structural material progress heat compound according to required function to composite core material adaptability, it is optional Ground, functional material can be fire proofing, anti-corrosion material, acoustic material etc..Due in production method of the invention without plastic uptake or Person's blow molding process, therefore thermoplastic composite is without limitation, i.e., smooth persistently exported along assembly line outbound course X in terms of wall thickness In material 10 or geometry sheet material 10 ', the lamellar spacing of structure sheaf A can be not less than 0.1mm, the structure for the honeycombed core being consequently formed Intensity is high.
Further, step S42 may include sub-step:
S421, flat sheets 10 or geometry sheet material 10 ' are orientated and along assembly line outbound course X stretching at least part of Processed in sheet surface repeat to present along the broadside outbound course Y of flat sheets 10 or geometry sheet material 10 ' it is non-closed several What body 104；
S422, the flat sheets 10 or geometry piece that solid 104 is formed in broadside outbound course Y cutting sheet surface Material 10 ', to form the multiple band-like core material unit pieces 30 wide along assembly line outbound course X.
It should be noted that being formed in the sheet surface of the assembly line outbound course X geometry sheet material 10 ' persistently exported The non-closed solid 104 presented is repeated along broadside outbound course Y, solid 104 is extended continuously along assembly line outbound course X Form geometry band.The geometry sheet material 10 ' squeezed out from thermoplastic material molding equipment 1 is usually to soften, and is unfavorable for subsequent fast Fast Continuous maching, therefore solid shaping component can be added at the rear for squeezing out geometry sheet material, consequently facilitating the extrusion by softening is several What sheet material is further compacted, solidifies, is formed, and in order to operations such as subsequent cutting, overturning, gluings, solid shaping component can It is arranged in 1 downstream of thermoplastic material molding equipment.Also, the geometry sheet material 10 ' persistently exported is difficult in following process forming process It is middle to form smooth core material unit piece 31, it can be only formed geometry core material unit piece 32.And persistently exported along assembly line outbound course X Flat sheets 10 not only can be processed geometry core material unit piece 32, also can be processed smooth core material unit piece 31.Solid 104 Roll-type mold squeezes, plate mold squeezes or chain type mold squeezes etc. can be used in molding or moulding mode.
Wherein, when by flat sheets 10 or 10 ' division processing of geometry sheet material at multiple core material unit pieces 30, multiple core materials Unit piece 30 is successively arranged along assembly line outbound course X and along the length direction L of core material unit piece 30 in band-like extension.Multiple cores The geometry lug boss perpendicular to sheet surface is processed in the sheet surface of material unit piece 30, is formed on geometry lug boss Sheet surface forms geometry in the first inner hole of solid 105 non-closed shape and along the perforation of assembly line outbound course X axis Body 104, solid 104 repeat in the sheet surface of at least part of core material unit piece 30 along broadside outbound course Y.Such as Shown in Fig. 3, the first inner hole centreline of solid OO ' has been processed on multiple core material unit pieces 30 and has been parallel to assembly line outbound course The solid 104 of X.
Further, step S43 may include sub-step:
S431, each core material unit piece 30 is overturn into predetermined angle, so that the length side of the core material unit piece 30 after overturning It keeps forming angle a between broadside outbound course Y, the width direction W and assembly line outbound course X of core material unit piece 30 to L；
S432, the stacking of each core material unit piece 30 is spliced into unit spliced body 100 along assembly line outbound course X.
In step S431, the rotation axis PP ' of each core material unit piece 30 is along broadside outbound course Y.Core material unit After piece 30 is overturn, the sheet surface formation of solid the first inner hole centreline OO ' and flat sheets 10 of core material unit piece 30 The angle a formed between angle a, i.e. the width direction W of core material unit piece 30 and assembly line outbound course X.Wherein, overturning is pre- If angle is angle a, angle a can be that acute angle can be obtuse angle.Preferably, each after overturning as shown in figure 3, angle a is 90 ° Each core material list of solid the first inner hole centreline OO ' of a core material unit piece 30 perpendicular to flowing water line platform, that is, after overturning First piece 30 is vertical with flat sheets 10.
In certain embodiments, step S431 may also include that
Keep the reverses direction of two core material unit pieces 30 of arbitrary neighborhood opposite；
Wherein, in the first core material unit piece, the second core material unit piece and the third successively arranged along assembly line outbound course X In core material unit piece, the structure sheaf A of the first core material unit piece of the structure sheaf A and side of the second core material unit piece is defeated along assembly line Direction X is aligned out, and the functional layer B of the third core material unit piece of the functional layer B and other side of the second core material unit piece is along assembly line Outbound course X alignment.As shown in Figure 10, Figure 11, the reverses direction of two adjacent core material unit pieces 30 is opposite and splices one When rising, the combination of stitching position is A-A-B-B contact, i.e., the two sides of the stitching position of two neighboring core material unit piece are Functional layer B is structure sheaf A.
In certain embodiments, step S431 can include:
Keep the reverses direction of two core material unit pieces 30 of arbitrary neighborhood identical；
Wherein, in the first core material unit piece, the second core material unit piece and the third successively arranged along assembly line outbound course X In core material unit piece, the functional layer B of the first core material unit piece of the structure sheaf A and side of the second core material unit piece is defeated along assembly line Direction X is aligned out, and the structure sheaf A of the third core material unit piece of the functional layer B and other side of the second core material unit piece is along assembly line Outbound course X alignment.As shown in Figure 8, Figure 9, the reverses direction of two adjacent core material unit pieces 30 is identical and is stitched together When, the combination of stitching position is A-B-A-B contact, i.e., the wherein side of the stitching position of two neighboring core material unit piece 30 For functional layer B, the other side is structure sheaf A.
It should be noted that when two adjacent 30 shapes of core material unit piece are different and reverses direction is opposite or arbitrary neighborhood Two core material unit pieces 30 reverses direction it is identical when, each core material unit piece 30 is being laminated along assembly line outbound course X It is spliced into before unit spliced body 100, adjustment core material unit piece 30 can be moved along broadside outbound course Y, so that arbitrary neighborhood In two core material unit pieces 30, the geometry high point 102 of one and the geometry low spot 103 of another one are exported along assembly line Direction X alignment.It, can be without defeated along broadside when core material unit 30 shapes of piece are identical and reverses direction is opposite by two of arbitrary neighborhood The position that direction Y adjusts mobile core material unit piece 30 out may make one of two core material unit pieces 30 of arbitrary neighborhood Geometry high point 102 is aligned with the geometry low spot 103 of another one along assembly line outbound course X.It as a result, can be by each core The stacking of material unit piece 30 is spliced into unit spliced body 100, and solid 104 is formed through in unit spliced body 100 and is spliced Multiple axial aperture structures, multiple axial aperture structures include successively being spaced apart along broadside outbound course Y and along perpendicular to flowing water platform Multiple splicing axis holes 101 from vertical direction Z axis to perforation.
Further, production method of the invention further include:
So that in the unit spliced body 100 of spicing forming type, when the vertical direction of the sheet surface of flat sheets 10 is to hold When compressed loading direction, the material volume utilization rate of unit spliced body 100 is not less than 60%, it is preferred that material volume utilizes Rate is not less than 80%；
And/or on the core material cross section of the sheet surface for being parallel to flat sheets 10 of unit spliced body 100, plane Voidage is not less than 40%, and further, plane voidage is not less than 60%.
Referring to Fig. 3, for above-mentioned production method, the present invention also provides a kind of productions of thermoplastic composite core material to set It is standby, comprising:
Thermoplastic material molding equipment 1, for persistently exporting the function with through-thickness stacking along assembly line outbound course X The geometry sheet material 10 ' or flat sheets 10 of ergosphere B and structure sheaf A；
Core material unit piece machine-shaping component is used for flat sheets 10 or geometry sheet material 10 ' along assembly line outbound course X Orientation and division processing are stretched into multiple core material unit pieces 30, is added wherein at least in the sheet surface of the core material unit piece 30 of part Work, which goes out, repeats the non-closed solid 104 presented along the length direction L of the core material unit piece 30；
Unit spliced body splicing component, for the stacking of each core material unit piece 30 to be spliced into unit spliced body 100, wherein Multiple axial aperture structures that solid 104 is spliced are formed through in unit spliced body 100.
Wherein, as shown in Fig. 2, thermoplastic material molding equipment 1 is squeezed including the first extrusion die 1a and second arranged up and down The hot composite molding section 1c of mold 1b and the molding extrusion positioned at the first extrusion die 1a and the second extrusion die 1b out.On The the first extrusion die 1a and the second extrusion die 1b of lower arrangement squeeze out functional material sheet material and structure with compatibility respectively Material sheet, two kinds of materials carry out Mo Neire composite molding by hot composite molding section 1c, compound to be directly formed to structure sheaf A The flat sheets 10 of the hot composite construction of the double layer sheet of functional layer B, so as to the persistently output production directly on assembly line.
In addition, core material unit piece machine-shaping component may include cutting assembly 4 and plastic film forming system 2 ', cutting group Part 4 is used for along the molded flat sheets 10 for being machined with solid 104 of broadside outbound course Y cutting surfaces or geometry sheet material 10 '. As shown in Figure 3,4, plastic film forming system 2 ' is used to process in the sheet surface moulding of geometry sheet material 10 ' perpendicular to sheet material Surface is vertical out in the geometry lug boss of crowned or at least part of sheet surface machine-shaping in flat sheets 10 In the geometry lug boss that sheet surface is in crowned, solid 104 is formed in sheet surface in non-closed shape and along assembly line The first inner hole of solid 105 of outbound course X axis perforation.As shown in Figure 3, Figure 4, plastic film forming system 2 ' uses pressure roller Component, the invention is not limited thereto, and the processing assemblies such as plate mold or chain type mold can also be used.
Further, the quantity of plastic film forming system 2 ' may be configured as one or more, need to guarantee flat sheets 10 Or geometry sheet material 10 ' includes at least one postorder output speed that output speed is greater than any preamble output speed.
It should be noted that flat sheets 10 or geometry sheet material 10 ' are accumulated and are guaranteed on viewing pipeline in order to prevent Flat sheets 10 or the smooth output of geometry sheet material 10 ', along assembly line outbound course X, times of flat sheets 10 or geometry sheet material 10 ' One postorder output speed is not less than preamble output speed, i.e., the output speed of any plastic film forming system is not less than heat-stabilized wood Expect the initial output speed V of molding equipment 10.If plastic film forming system 2 ' is multiple and before and after assembly line outbound course X Arrangement, the then output speed for also needing to meet the plastic film forming system of any postposition add not less than any preposition plastic surface The output speed of construction equipment and the output speed of at least one plastic film forming system are greater than the first of thermoplastic material molding equipment 1 Beginning output speed V0。
In addition, core material unit piece machine-shaping component may also include cutting assembly 4, for cutting along broadside outbound course Y Flat sheets 10 or geometry sheet material 10 ' after processing are broadly arranged successively and along assembly line outbound course X etc. along broadside with being formed Outbound course Y is in multiple core material unit pieces 30 of band-like extension.
Further, unit spliced body splicing component can include:
Guide-localization component 5, for each core material unit piece 30 to be overturn predetermined angle, so that the core material unit after overturning The length direction L of piece 30 is kept along broadside outbound course Y, the width direction W and assembly line outbound course X of core material unit piece 30 it Between formed angle a；
Core material unit piece splicing component 6, for each core material unit piece successively arranged of putting together along assembly line outbound course X 30 are spliced into unit spliced body 100 with stacking.
Wherein, guide-localization component 5 includes being sequentially arranged along assembly line outbound course X and prolonging along broadside outbound course Y The positive diverter 5a and counter steering device 5b stretched, a core material unit piece 30 pass through positive diverter 5a forward direction and overturn 90 °, i.e., It can stand on conveyor belt surface, another back to back core material unit piece 30, can also by 90 ° of counter steering device 5b reverse flip It stands on conveyor belt surface.Alternatively, can be also other flip angles or overturning mode, guide-localization component 5 can also be rotation Manipulator, robot or planar linkage mechanism etc..
In some real specific embodiments, production equipment may also include that
Glue rifle 3 coats bonding layer for the contact surface to solid 104.Selectively, glue rifle 3 may be provided at cutting The upstream end of component 4, alternatively, may be provided at the downstream of cutting assembly 4.
Alternatively, production equipment may also include that in some real specific embodiments
Melting adhered component, for heating each core material unit piece 30 with melting adhered into unit spliced body 100.
The above are the production method and production equipment of thermoplastic composite core material according to the present invention, will refer to below Fig. 5~ Figure 13 addresses the structure of thermoplastic composite core material according to the present invention in detail.
Thermoplastic composite core material of the invention is honeycombed core material, as unit spliced body shown in Fig. 7 100, the unit Combination 100 is extended and the core material unit piece 30 of D2 stacking splicing forms in a second direction, at least portion by multiple along first direction D1 The sheet surface of the core material unit piece 30 divided, which is formed with, to be sequentially distributed and in non-closed shape along the length direction L of core material unit piece 30 Solid 104.Wherein, as shown in Figure 5, Figure 6, core material unit piece 30 is the double layer sheet knot for including structure sheaf A and functional layer B Structure, structure sheaf A are to be used to form load bearing structural material, and functional layer B is then for providing the function material of various functions Material.Between the structural material of structure sheaf A and the functional material of functional layer B have compatibility, i.e., the physics generated between the two and The compatibility of chemistry.Such as wellability, reactivity and intersolubility.Structure sheaf A and function B can not be by viscous in mold as a result, Tie the directly hot composite molding of agent.In external form, be formed in unit spliced body 100 of the invention at least along first direction D1 according to The multiple of secondary distribution are spliced to form axial aperture structure by solid 104, and axial aperture structure includes the splicing axis axially along third direction D3 Hole 101 and around splicing axis hole 101 circumferentially closed axis hole peripheral wall.
Further, functional layer B may be, for example, flame-retardant layer, UV-resistant layer, color layers, thermal resistance or heat transfer layer, saturating magnetic or resistance One or more of magnetosphere, antibiotic layer or puigging function combination layer.
Wherein, optionally, the material of functional layer B include fire-retardant filler filled polymer, uvioresistant filler filled polymer, Paint filler filled polymer, thermal resistance or heat-transfer filler filled polymer, saturating magnetic or resistance magnetic filler filled polymer, antibacterial filler One or more of filled polymer, sound insulation filler filled polymer composition.
In addition, the lamellar spacing of structure sheaf A is not less than 0.1mm in order to guarantee that structure sheaf A has enough mechanical strengths.
In addition, the external diameter of a circle of the splicing axis hole 101 of arbitrary shape can be preferably arranged to be not less than 1mm；With/ Or, the hole axial length of splicing axis hole 101 of arbitrary shape and the diameter ratio of the circumscribed circle of the splicing axis hole 101 can be preferably provided with For no more than 200, so that core material obtains more preferably heavily loaded lightening effect.
Relative to metals such as traditional steel and aluminium at geometry sheet material, thermoplastic material has light weight, good insulating, corrosion resistant The advantages that erosion, easily bonding and welding.In addition, plastic plate recoverable, is convenient for secondary operation, economizes on resources.Wherein, structure The material of layer A may include the thermoplastic polymer, fibre-reinforced thermoplastic resin-based compound of thermoplastic polymer, filler filling Material, plastic deformation paper and/or steel plastic compount object.Specifically, thermoplastic polymer can for polypropylene, polyethylene, polyamide, Thermoplastic polyester, polyvinyl chloride, polystyrene, polycarbonate, polyphenylene oxide, thermoplastic elastomer (TPE), multi-component copolymer thermoplastic, One of polymethyl methacrylate, polyphenylene sulfide, polyether-ether-ketone and polyimides or in which a variety of blends.
In addition, filler filling thermoplastic polymer in filler can for wax, talcum powder, carbon black, white carbon black, kaolin, One of calcium carbonate, stearic acid, calcium stearate, whisker, titanium dioxide, iron oxide, pigment, fire retardant and antioxidant or in which A variety of compositions.And the fiber in fibre-reinforced thermoplastic resin based composite material can be organic fiber, inorfil, gold Belong to one of fiber, macromolecular fibre, plant fiber or a variety of.Specifically, fibre-reinforced thermoplastic resin-based composite wood Fiber in material can be glass fibre, carbon fiber, basalt fibre, steel wire fibre, polypropylene fibre, polyester fiber, superelevation point One of sub- weight polyethylene fiber, polyimide fiber and flaxen fiber or many of composition.
It is different according to the combined and spliced mode of core material unit piece 30 in thermoplastic composite core material of the invention, it can be divided into Two kinds of combined and spliced modes.The first combined and spliced mode as shown in Figure 11, Figure 12, two core material unit pieces of arbitrary neighborhood 30 reverses direction is opposite and stacks gradually splicing, and the combination of the stitching position between core material unit piece 30 is A-A- at this time B-B contact, i.e., the two sides of the stitching position of two neighboring core material unit piece are functional layer B or are structure sheaf A.In other words, When unit spliced body 100 includes at least the first core material unit piece, the second core material unit that D2 in a second direction stacks gradually splicing When piece and third core material unit piece, the structure sheaf A of the first core material unit piece of the structure sheaf A and side of the second core material unit piece is supported Connect it is connected, the functional layer B of the third core material unit piece of the functional layer B and other side of the second core material unit piece abut be connected.
The combined and spliced mode of as shown in Figure 9, Figure 10 second, the overturning side of two core material unit pieces 30 of arbitrary neighborhood To identical and stack gradually splicing, the combination of the stitching position between core material unit piece 30 is A-B-A-B contact at this time, i.e., The wherein side of the stitching position of two neighboring core material unit piece 30 is functional layer B, and the other side is structure sheaf A.In other words, work as list First spliceosome 100 include at least D2 in a second direction stack gradually the first core material unit piece of splicing, the second core material unit piece and The functional layer B of third core material unit piece, the first core material unit piece of the structure sheaf A and side of the second core material unit piece abuts phase Even, the structure sheaf A of the third core material unit piece of the functional layer B and other side of the second core material unit piece, which is abutted, is connected.
In thermoplastic composite core material of the invention, referring to Figure 13, core material unit piece 30 can be divided into geometry core material unit piece 32 and smooth core material unit piece 31,32 surface of geometry core material unit piece be machined with solid 104, smooth 31 surface of core material unit piece It is undressed to have solid 104.Wherein, the unit spliced body 100 as shown in Figure 7, Figure 8 geometry that D2 stacking is spliced in a second direction Sheet material 30 is all the same, and the solid 104 formed in the sheet surface of each geometry sheet material 30 is all the same and along first direction D1 etc. It is spaced apart.However, the present invention is not limited thereto, as shown in figure 13, the geometry that D2 stacking is spliced in a second direction of unit spliced body 100 Core material unit piece 32 can not be identical.Alternatively, the solid 104 formed in the sheet surface of geometry core material unit piece 32 can not phase Together.Alternatively, the solid 104 formed in the sheet surface of geometry core material unit piece 32 is along first direction unequal interval distribution etc..
Wherein, solid 104 be formed as from the sheet surface of geometry core material unit piece 32 in a second direction D2 swell it is several What lug boss, is formed with the first inner hole of solid 105 axially along third direction D3 in geometry lug boss, in the solid first D2 is in single-open shape in a second direction in hole 105, and the single-open-end of the first inner hole of solid 105 is by the core material unit piece that abuts 30 closings are to constitute at least part of splicing axis hole 101, and solid the first inner hole centreline OO' is along third direction D3.In addition, The second inner hole of solid 106 of non-close, the first inner hole of solid 105 and geometry can be also formed between adjacent solid 104 The non-close opening of the second inner hole of body 106 is towards on the contrary.Solid 104 can be compression moulding structure, the first inner hole of solid 105 It can be to be pressed into type hole and can be the various shapes such as the half point hole of hexagonal hole, diamond hole, kidney slot or irregular profiled holes Shape.
Wherein, in two core material unit pieces 30 of the arbitrary neighborhood that D2 stacking is spliced in a second direction of unit spliced body 100 Including at least a geometry core material unit piece 32.In the axial aperture structure that two core material unit pieces 30 of arbitrary neighborhood are spliced to form, Each splicing axis hole 101 includes at least first inner hole of solid 105 or second inner hole of solid 106, for along week Can be to the inner hole circumferential closure structure for closing at least one first inner hole of solid 105 or second inner hole of solid 106 Flat wall or including at least part of solid 104.As shown in figure 13, splicing axis hole 101 may include in a solid first Hole 105 or second inner hole of solid 106, may also comprise in multiple the first inner holes of solid 105 or multiple solids second Hole 106.Inner hole circumferential closure structure also can be geometry core material unit piece 32 for the flat sheets wall of smooth core material unit piece 31 At least part of solid 104.
In certain embodiments, in each geometry core material unit piece 32, identical each solid 104 is along first The distribution of the step pitches such as direction D1, the geometry high point face being made of each geometry high point 102 are low with by each geometry The geometry low spot face that point 103 is constituted is formed as the parallel plane along first direction D1.
Optionally, as shown in Figure 7, Figure 8, unit spliced body 100 is rectangular shape, first direction D1 and second direction D2 Vertically and two side length directions of respectively unit spliced body 100, sheet material table of the second direction D2 perpendicular to core material unit piece 30 Face, third direction D3 are the thickness direction of unit spliced body 100.At this point, thickness of the splicing axis hole 101 along unit spliced body 100 Direction perforation, i.e. thickness direction of solid the first inner hole centreline OO' along unit spliced body 100.Certainly, the present invention is not limited to This, all directions positioning can be interchanged.In addition, in first direction D1, second direction D2 and third direction D3 each other between any two It is not limited to form right angle angle, also may be, for example, acute angle etc..
Specifically, unit spliced body 100 can include at least the first core material unit that D2 in a second direction stacks gradually splicing Piece, the second core material unit piece and third core material unit piece, the second core material unit piece 32 pass through geometry high point 102 and side The geometry low spot 103 of first core material unit piece abuts the third core for being connected, and passing through geometry low spot 103 and the other side The geometry high point 102 of material unit piece, which abuts, to be connected, to be spliced into entire unit spliced body 100.In adjacent core material list In first piece, abuts and be formed as the cambered surface of hot composite joint between connected geometry high point 102 and geometry low spot 103 and connect Touching, nib contacts or plane contact.Wherein, as shown in Fig. 9, Figure 11, connected geometry high point 102 and geometry are abutted Be formed as the cambered surface contact of hot composite joint between low spot 103；As shown in figure 13, abut connected geometry high point 102 with Be formed as the nib contacts or plane contact of hot composite joint between geometry low spot 103.
It should be noted that from Figure 13 as it can be seen that when the geometry core material unit piece 32 of different shape structure is combined splicing, Not each geometry high point 102 and geometry low spot 103, which can correspond to, to connect, the geometry high point 102 of part or Geometry low spot 103 can be in hanging shape.It, only need to be along first party when the shape and structure of each core material unit piece 30 is all identical To on the basis of Justified multiple core material unit pieces 30 of D1, so that two core material unit pieces 30 of arbitrary neighborhood are around flat Row overturns opposite direction in the rotation axis of first direction D1, as a result, the solid 104 on a core material unit piece 30 and anti- D2 is aligned simultaneously integrally connected to solid 104 on another core material unit piece 30 after overturning in a second direction.Wherein, it reversely turns over In core material unit piece 30 after turning, the position of geometry low spot 103 and geometry high point 102 is exchanged.Certainly, may be used So that two core material unit pieces 30 of arbitrary neighborhood surround the rotation axis overturning for being parallel to first direction D1 and reverses direction phase Together, and along first direction D1 adjusting is moved with the certain distance that is staggered, as a result, the first solid and phase of the first core material unit on piece Second solid of the second adjacent core material unit on piece is successively alternately arranged along first direction D1 and integrally connected.Based on above-mentioned two Kind arrangement overturning rule, can accordingly form entire unit spliced body 100.
To obtain the satisfactory thermoplastic composite core material that can be realized lightweight heavy duty, shown in Fig. 7 is after molding It, can be more as subtracting the splicing axis hole 101 in matter hole to realize lightweight by being arranged in unit spliced body 100.Reference Fig. 7, In any of unit spliced body 100 defined with second direction D2 by first direction D1 and intersected with 100 entity of unit spliced body Plane, i.e., in any cross sectional planes of unit spliced body 100, plane voidage should be not less than 40%, and further, plane is empty Gap rate should be not less than 60%.In the above-mentioned cross sectional planes of unit spliced body 100, plane voidage, that is, each splicing axis hole The ratio between 101 hole area of section summation and the site area of cross sectional planes.
It is light-weighted simultaneously, for realize heavy duty, in addition to material select, should also improve material volume utilization rate, i.e., along carry Lotus Impact direction is able to bear the live part of load and the mass ratio of integral part or volume ratio.For popular, along load by The true part of the force in power direction is load bearing live part, and perpendicular to the material part or blank part of load Impact direction Dividing then is load bearing inactive portion, and the material volume utilization rate of inactive portion is 0.As an example, working as third in Fig. 7 Direction D3 is when bearing compressive load direction, and the material volume utilization rate of unit spliced body 100 is not less than 60%, it is preferred that material Expect that volume utilization is not less than 80%.Wherein, the definition about material volume utilization rate, when material bears compressive load, edge Loading direction have the maximum height part that the accumulative height of solid material and solid material is more than or equal to 95% direction material Material volume and the ratio between material total volume be material volume utilization rate.
To sum up, the present invention provides a kind of thermoplastic composite core material and its production method and production equipment, the present invention Thermoplastic composite core material adaptability by different functional material and the hot composite molding of structural material be honeycombed core material, by This not only maintains the advantage of the lightweight heavy duty of original structure material, moreover it is possible to by obtaining single composition in conjunction with functional material The inaccessiable comprehensive performance of material institute, such as flame retardant property, shielding properties, sound absorption qualities.In addition, thermoplasticity of the invention is multiple The honeycomb wall for closing core material is the hot composite construction of double layer sheet of structure sheaf complex functional layer, and functional layer is continuously distributed, functional effect Significantly, and the functional layer and structure sheaf compatibility that use are good, and bond strength is high, can be applicable to more demanding to high-strength light each In a field, while it can also increase flame retarding function, anti-corrosion function, sound insulation function for the particular/special requirement of each different field Deng meeting the diversified demand in practical application.
At the same time, production method of the invention and production equipment solve legacy cellular core material manufacturing cost it is high, no The problem of functional stuffing and reinforcing filler, material waste can be added, realizes the advantages that honeycomb core is inexpensive, fillable and section The application field of thermoplastic composite has effectively been expanded in the about manufacturing of type.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way, in order to avoid unnecessary repetition, the embodiment of the present invention pair No further explanation will be given for various combinations of possible ways.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.

Claims (18)

1. the production method of thermoplastic composite core material, comprising:
Along assembly line outbound course (X), persistently output has the functional layer (B) of through-thickness stacking and the geometry of structure sheaf (A) Sheet material (10 ') or flat sheets (10)；
The flat sheets (10) or geometry sheet material (10 ') are stretched to be orientated and divide along the assembly line outbound course (X) and are added Work wherein at least processes in the sheet surface of the core material unit piece (30) of part along institute at multiple core material unit pieces (30) The length direction (L) for stating core material unit piece (30) repeats the non-closed solid (104) presented；
Each core material unit piece (30) stacking is spliced into unit spliced body (100), wherein the unit spliced body (100) In be formed through multiple axial aperture structures that the solid (104) is spliced.
2. the production method of thermoplastic composite core material according to claim 1, wherein in the geometry sheet material (10 ') or In flat sheets (10), the functional layer (B) and the structure sheaf (A) have compatibility and in Mo Neire composite molding.
3. the production method of thermoplastic composite core material according to claim 1, wherein the flat sheets (10) or geometry The output processing method of sheet material (10 ') is extrusion, calendering, curtain coating or roll-in processing；And/or the processing of the solid (104) Mode is that roll-type mold squeezes, plate mold squeezes or chain type mold squeezes；And/or it is held along the assembly line outbound course (X) In the flat sheets (10) or geometry sheet material (10 ') of continuous output, the lamellar spacing of the structure sheaf (A) is not less than 0.1mm.
4. the production method of thermoplastic composite core material according to claim 3, wherein the axial aperture structure includes splicing axis Hole (101) and the circumferentially closed axis hole peripheral wall for surrounding splicing axis hole (101), the splicing axis hole of arbitrary shape (101) external diameter of a circle is not less than 1mm；And/or the hole axial length of the splicing axis hole (101) of arbitrary shape and the spelling The diameter ratio of the circumscribed circle in spindle hole (101) is not more than 200.
5. the production method of thermoplastic composite core material according to claim 1, wherein the material of the structure sheaf includes heat Thermoplastic polymer, the fibre-reinforced thermoplastic resin based composite material, plastic deformation paper that thermoplastic polymer, filler are filled And/or steel plastic compount object.
6. the production method of thermoplastic composite core material according to claim 5, wherein the thermoplastic polymer is poly- third It is alkene, polyethylene, polyamide, thermoplastic polyester, polyvinyl chloride, polystyrene, polycarbonate, polyphenylene oxide, thermoplastic elastomer (TPE), more One of first copolymerizing thermoplastics, polymethyl methacrylate, polyphenylene sulfide, polyether-ether-ketone and polyimides or in which more The blend of kind；
Alternatively, the filler in the thermoplastic polymer of filler filling is wax, talcum powder, carbon black, white carbon black, kaolin, carbon One of sour calcium, stearic acid, calcium stearate, whisker, titanium dioxide, iron oxide, pigment, fire retardant and antioxidant or in which more The composition of kind；
Alternatively, the fiber in the fibre-reinforced thermoplastic resin based composite material is organic fiber, inorfil, metal fibre One of dimension, macromolecular fibre, plant fiber are a variety of；
Alternatively, the fiber in the fibre-reinforced thermoplastic resin based composite material is glass fibre, carbon fiber, basalt fibre In dimension, steel wire fibre, polypropylene fibre, polyester fiber, ultra high molecular weight polyethylene fiber, polyimide fiber and flaxen fiber A kind of or many of composition.
7. the production method of thermoplastic composite core material according to claim 1, wherein the functional layer (B) be flame-retardant layer, UV-resistant layer, color layers, thermal resistance or heat transfer layer, saturating magnetic hinder one or more of magnetosphere, antibiotic layer or puigging function Combination layer；And/or the material of the functional layer (B) include fire-retardant filler filled polymer, uvioresistant filler filled polymer, Paint filler filled polymer, thermal resistance or heat-transfer filler filled polymer, saturating magnetic or resistance magnetic filler filled polymer, antibacterial filler One or more of filled polymer, sound insulation filler filled polymer composition.
8. the production method of thermoplastic composite core material according to claim 1, wherein by the flat sheets (10) or When geometry sheet material (10 ') division processing is at multiple core material unit piece (30), multiple core material unit pieces (30) are along described Assembly line outbound course (X) is successively arranged and along broadside outbound course (Y) in band-like extension.
9. the production method of thermoplastic composite core material according to claim 8, wherein by each core material unit piece (30) stacking is spliced into unit spliced body (100) and includes:
Each core material unit piece (30) is overturn into predetermined angle, so that the length of the core material unit piece (30) after overturning Direction (L) is kept along the broadside outbound course (Y), the width direction (W) of the core material unit piece (30) and the assembly line Angle (a) is formed between outbound course (X)；
Each core material unit piece (30) stacking is spliced into the unit spliced body along the assembly line outbound course (X) (100)。
10. the production method of thermoplastic composite core material according to claim 9, wherein by each core material unit piece (30) overturning predetermined angle includes:
Keep the reverses direction of two core material unit pieces (30) of arbitrary neighborhood opposite；
Wherein, in the first core material unit piece, the second core material unit piece and successively arranged along the assembly line outbound course (X) In three core material unit pieces, the first core material unit piece of the structure sheaf (A) and side of the second core material unit piece The structure sheaf (A) is aligned along the assembly line outbound course (X), the functional layer (B) of the second core material unit piece with The functional layer (B) of the third core material unit piece of the other side is aligned along the assembly line outbound course (X).
11. the production method of thermoplastic composite core material according to claim 9, wherein by each core material unit piece (30) overturning predetermined angle includes:
Keep the reverses direction of two core material unit pieces (30) of arbitrary neighborhood identical；
Wherein, in the first core material unit piece, the second core material unit piece and successively arranged along the assembly line outbound course (X) In three core material unit pieces, the first core material unit piece of the structure sheaf (A) and side of the second core material unit piece The functional layer (B) is aligned along the assembly line outbound course (X), the functional layer (B) of the second core material unit piece with The structure sheaf (A) of the third core material unit piece of the other side is aligned along the assembly line outbound course (X).
12. the production method of thermoplastic composite core material according to claim 11, wherein by each core material unit piece (30) stacking is spliced into unit spliced body (100) further include:
Along the mobile adjustment core material unit piece (30) of the broadside outbound course (Y), so that two cores of arbitrary neighborhood In material unit piece (30), the geometry high point (102) of one and the geometry low spot (103) of another one are along the assembly line Outbound course (X) alignment.
13. the production method of thermoplastic composite core material according to claim 1, wherein by the flat sheets (10) or Geometry sheet material (10 ') stretches to be orientated along the assembly line outbound course (X)
The flat sheets (10) or geometry sheet material (10 ') is set to form output speed between adjacent line processing equipment poor To stretch orientation, wherein along the assembly line outbound course (X), any of the flat sheets (10) or geometry sheet material (10 ') Postorder output speed is not less than preamble output speed, and the flat sheets (10) or geometry sheet material (10 ') include output speed Degree is greater than at least one described postorder output speed of any preamble output speed.
14. the production method of thermoplastic composite core material described according to claim 1~any one of 13, wherein the life Production method further include:
So that when the vertical direction of the flat sheets (10) or the sheet surface of geometry sheet material (10 ') is to bear compressive load side The material volume utilization rate of Xiang Shi, the unit spliced body (100) are not less than 60%, it is preferred that material volume utilization rate is not low In 80%；
And/or on the core material cross section for being parallel to the sheet surface of the unit spliced body (100), plane voidage Not less than 40%, further, the plane voidage is not less than 60%.
15. the production equipment of thermoplastic composite core material, comprising:
Thermoplastic material molding equipment (1), for along assembly line outbound course (X) function that persistently there is through-thickness to be laminated for output The geometry sheet material (10 ') or flat sheets (10) of ergosphere and structure sheaf；
Core material unit piece machine-shaping component is used for the flat sheets (10) or geometry sheet material (10 ') along the assembly line Outbound course (X) stretches orientation and division processing into multiple core material unit pieces (30), wherein at least the core material unit of part Processed in the sheet surface of piece (30) length direction (L) along the core material unit piece (30) repeat to present it is non-closed several What body (104)；
Unit spliced body splicing component, for each core material unit piece (30) stacking to be spliced into unit spliced body (100), Wherein multiple axial aperture structures that the solid (104) is spliced are formed through in the unit spliced body (100).
16. the production equipment of thermoplastic composite core material according to claim 15, wherein the thermoplastic material molding equipment (1) include the first extrusion die (1a) arranged up and down and the second extrusion die (1b) and be located at first extrusion die The hot composite molding section (1c) of the molding extrusion of (1a) and second extrusion die (1b).
17. the production equipment of thermoplastic composite core material according to claim 15, wherein the core material unit piece is processed into Type component includes:
Plastic film forming system (2 '), for processing the flat sheets (10) or geometry sheet material (10 ') at least portion It is processed on the plastic surface divided and repeats the non-closed solid (104) presented along broadside outbound course (Y), wherein The processing of between the thermoplastic material molding equipment (1) and the plastic film forming system (2 ') and/or the plastic surface is set It is poor that output speed is formed between standby (2 '), to be formed along the assembly line outbound course (X) to the flat sheets (10) or The stretching of geometry sheet material (10 ') is orientated；
Cutting assembly (4), for the flat sheets (10) or geometry piece after broadside outbound course (Y) cutting processing Material (10 ') is broadly arranged successively along described assembly line outbound course (X) etc. with formation and is in along the broadside outbound course (Y) Multiple core material unit pieces (30) of band-like extension.
18. the production equipment of thermoplastic composite core material according to claim 15, wherein the unit spliced body splicing group Part includes:
Guide-localization component (5), for each core material unit piece (30) to be overturn predetermined angle, so that described after overturning The length direction (L) of core material unit piece (30) is kept along the broadside outbound course (Y), the width of the core material unit piece (30) Angle (a) is formed between direction (W) and the assembly line outbound course (X)；
Core material unit piece splicing component (6) is used for each core successively arranged of putting together along the assembly line outbound course (X) Material unit piece (30) is spliced into unit spliced body (100) to be laminated.
CN201910390905.7A 2019-05-10 2019-05-10 The production method and production equipment of thermoplastic composite core material Pending CN110154433A (en)

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US20120205035A1 (en) * 2011-02-10 2012-08-16 Bradford Company Method of Making Multilayer Product Having Honeycomb Core
CN108773112A (en) * 2018-06-19 2018-11-09 江苏奇科技有限公司 A kind of honeycomb core material, cellular board and preparation method thereof and equipment

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