CN110181844A - 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

Info

Publication number
CN110181844A
CN110181844A CN201910390898.0A CN201910390898A CN110181844A CN 110181844 A CN110181844 A CN 110181844A CN 201910390898 A CN201910390898 A CN 201910390898A CN 110181844 A CN110181844 A CN 110181844A
Authority
CN
China
Prior art keywords
core material
material unit
along
outbound course
sheet material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910390898.0A
Other languages
Chinese (zh)
Inventor
文成玉
梁文斌
张志成
马伊
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 CN201910390898.0A priority Critical patent/CN110181844A/en
Publication of CN110181844A publication Critical patent/CN110181844A/en
Pending legal-status Critical Current

Links

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
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses the production method and production equipment of a kind of thermoplastic composite core material, production method includes: that Mo Neire composite molding has the flat sheets of structure sheaf and functional layer and persistently exports along assembly line outbound course；Flat sheets are divided along assembly line outbound course to form the multiple core material unit pieces wide along broadside outbound course；Multiple core material unit pieces are independently processed into corresponding multiple core material unit pieces and each core material unit piece is collapsed and is laminated along broadside outbound course and are spliced into unit spliced body.Production equipment includes hot composite extruding mould, solid molding assembly, cutting assembly, guide-localization component and hot-melt adhesive paste component etc..The present invention provides the production method and production equipment of a kind of thermoplastic composite core material, can low cost, continuously produce and have both that structural strength is high and the double-layer structure thermoplastic composite core material of functional diversities.

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.
Cellular thermoplastic core material on the market mainly passes through blow molding or the technique production molding of plastic uptake, is limited to tonnage With the plastic property of thermoplastic material etc., plastic uptake or blow molding should not be used to that machining shape is complicated or the biggish product of wall thickness, Thus limit the thickest of cellular thermoplastic core material.In addition, thermoplasticity core material is since wall thickness is relatively thin, is easy to produce broken wall, It is unfavorable for adding structured packing or functional stuffing, causes the functional diversities of thermoplasticity core material limited, be unable to satisfy and actually answer Diversified demand in.
In addition, with the continuous upgrading of practical application request, the cellular thermoplastic core material prepared by single structure material is It is not able to satisfy the application scenarios of various complexity.In practical application scene, cellular thermoplastic core material is in addition to needing to reach lightweight weight The requirement of load, toward contact need adaptively to increase for different use environments it is some use function, as flame retardant property, every Sound performance, antiseptic property etc..Existing honeycombed core material usually by adding function in decentralized manner in the basis material of honeycomb wall Can the mode of filler generate new function, but functional material is limited to the characteristic distributions of addible ratio and dispersibility, Its functional effect generated is also significantly limited, and leading to existing thermoplasticity core material, there are bottlenecks in terms of functional requirement diversification.
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 low cost, continuously produce and have both that structural strength is high and the double-layer structure thermoplasticity of functional diversities Composite core material.
To achieve the above object, the present invention provides a kind of production methods of thermoplastic composite core material, comprising:
Mo Neire composite molding has the flat sheets of structure sheaf and functional layer and persistently exports along assembly line outbound course；
The flat sheets are divided along the assembly line outbound course to be formed along wide multiple of broadside outbound course Sheet material unit band；
Multiple sheet material unit bands are independently processed into corresponding multiple core material unit pieces, wherein at least partly The sheet material unit band sheet surface on accordingly process along the assembly line outbound course repeat present it is non-closed Solid；
Each core material unit piece is collapsed and is laminated along the broadside outbound course and is spliced into unit spliced body, it is described Unit spliced body includes the multiple axial aperture structures being sequentially distributed along the assembly line outbound course, multiple axial aperture structure difference It is spliced by the corresponding solid.
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.
Further, multiple sheet material unit bands being independently processed into corresponding multiple core material unit pieces can wrap It includes:
Before processing the solid, by each sheet material unit band guiding overturning and along the broadside outbound course Successively it is intervally arranged.
Further, so that the sheet material unit band is defeated along assembly line after each sheet material unit band guiding overturning Direction extends out, and the sheet surface of the sheet material unit band and the sheet surface of the sheet material can be formed with plane included angle.
Optionally, make the reverses direction of two sheet material unit bands of arbitrary neighborhood opposite；
Wherein, in the first sheet material unit band, the second sheet material unit band being successively intervally arranged along the broadside outbound course In third sheet material unit band, the first sheet material unit band of the structure sheaf and side of the second sheet material unit band The structure sheaf along the broadside outbound course grid alignment, the functional layer of the second sheet material unit band and the other side The functional layer of the third sheet material unit band is along the broadside outbound course grid alignment.
Optionally, make the reverses direction of two sheet material unit bands of arbitrary neighborhood identical；
Wherein, in the first sheet material unit band, the second sheet material unit band being successively intervally arranged along the broadside outbound course In third sheet material unit band, the first sheet material unit band of the structure sheaf and side of the second sheet material unit band The functional layer along the broadside outbound course grid alignment, the functional layer of the second sheet material unit band and the other side The structure sheaf of the third sheet material unit band is along the broadside outbound course grid alignment.
In certain embodiments, each core material unit piece is collapsed along the broadside outbound course and spelling is laminated It is connected into unit spliced body can include:
Before stacking splicing, the adjustment core material unit piece is moved along the assembly line outbound course, so that any phase In two adjacent core material unit pieces, the geometry high point of one and the geometry low spot of another one are defeated along the broadside Direction is aligned out.
In certain embodiments, each core material unit piece is collapsed along the broadside outbound course and spelling is laminated It is connected into unit spliced body can include:
Make between the structure sheaf or the functional layer between the core material unit piece of arbitrary neighborhood with melting adhered Mode is connected；Alternatively, the contact surface in each core material unit piece coats bonding layer to connect the adjacent core material list First piece.
Further, the functional layer in the flat sheets can have phase with for the load bearing structure sheaf Capacitive.
Optionally, the lamellar spacing of the structure sheaf of the flat sheets persistently exported along assembly line outbound course is 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.
Further, the production method further include:
So that the unit is spelled when the vertical direction of the sheet surface of the flat sheets is to bear compressive load direction The material volume utilization rate of junctor is not less than 60%, it is preferred that material volume utilization rate is not less than 80%；
And/or so that the sheet surface for being parallel to the flat sheets in the unit spliced body core material cross section On, plane voidage is not less than 40%, and 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, comprising:
Thermoplastic material molding equipment, for having flat sheets and the edge of structure sheaf and functional layer in Mo Neire composite molding Assembly line outbound course persistently exports；
Cutting assembly, for dividing the flat sheets along the assembly line outbound course to be formed along broadside output side To wide multiple sheet material unit bands；
Core material unit piece machine-shaping component is corresponding more for being independently processed into multiple sheet material unit bands A core material unit piece, wherein accordingly processing in the sheet surface of at least part of sheet material unit band along the assembly line Outbound course repeats the non-closed solid presented；
Unit spliced body splicing component, for each core material unit piece to be collapsed simultaneously layer along the broadside outbound course Folded to be spliced into unit spliced body, the unit spliced body includes the multiple axis hole knots being sequentially distributed along the assembly line outbound course Structure, multiple axial aperture structures pass through the corresponding solid respectively and are spliced.
Optionally, the thermoplastic material molding equipment include the first extrusion die and the second extrusion die arranged up and down with And the hot composite molding section positioned at first extrusion die and the molding extrusion of second extrusion die.
In some embodiments, the core material unit piece machine-shaping component can include:
Guide-localization component, for before processing the solid, will each sheet material unit band guiding overturn and It is successively intervally arranged along the broadside outbound course；
Solid molding assembly is exported for molding on at least part of sheet material unit band along the assembly line Direction repeats the non-closed solid presented, to form corresponding core material unit piece.
Optionally, the unit spliced body splicing component includes:
Gather component, for collapsing each core material unit piece along the broadside outbound course；
Hot-melt adhesive paste component, for heat along the broadside outbound course successively the spaced apart core material unit piece with It can be melting adhered at the unit spliced body；Or
The unit spliced body splicing component includes:
Glue rifle, for coating bonding layer on the contact portion of the core material unit piece；And
Gather component, for collapsing each core material unit after coating the bonding layer along the broadside outbound course Piece is to be mutually glued into the unit spliced body.
Production method of the invention can persistently export the double-deck plastic material for example, by hot composite extruding mould etc., be suitable for Property by different functional material and the hot composite molding of structural material be honeycombed core material, the double-layer structure heat thus produced Plasticity composite core material not only maintains the advantage of the lightweight heavy duty of original structure material, moreover it is possible to by obtaining in conjunction with functional material Obtain the inaccessiable comprehensive performance of single composition material institute, such as flame retardant property, shielding properties, sound absorption qualities.Also, this production Method continuous production is preferable, and honeycomb ceramics, high production efficiency are produced in integration.In addition, production equipment of the invention is by more A relatively simple device composition, 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 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. 5 is the partial enlargement diagram of Fig. 4；
Fig. 6 illustrates a kind of stereochemical structure of the thermoplastic composite core material of specific embodiment according to the present invention；
Fig. 7 is the main view of Fig. 6；
Fig. 8 illustrates a kind of mode of stacking splicing of core material unit piece shown in Fig. 4, wherein the two of arbitrary neighborhood core The reverses direction of material unit piece is identical；
Fig. 9 is the partial enlargement diagram of Fig. 8；
Figure 10 illustrates the mode of another stacking splicing of core material unit piece shown in Fig. 4, wherein the two of arbitrary neighborhood The reverses direction of a core material unit piece is opposite；
Figure 11 is the partial enlargement diagram of Figure 10；
Figure 12 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
The hot 2 solid molding assembly of composite molding section of 1c
4 cutting assembly, 5 guide-localization component
7 gather 8 hot-melt adhesive paste component of component
10 flat sheets
20 sheet material unit band, 30 core material unit piece
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
The plane included angle a ' the first inner hole centreline of OO' solid
W core material unit piece width direction L core material unit leaf length direction
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. 4~Figure 12, thermoplastic composite core material of the invention is honeycombed core material, as unit spliced body shown in Fig. 6 100, the unit spliced body 100 is by multiple core material unit pieces 30 extended along first direction D1 and D2 stacking is spliced in a second direction Composition.Wherein, the sheet forming of core material unit piece 30 is the double layer sheet structure for including structure sheaf A and functional layer B, the structure sheaf A is to be used to form load bearing structural material, and functional layer B is then for providing the functional material of various functions.
Existing cellular thermoplastic core material usually by adding functional stuffing in decentralized manner in the basis material of honeycomb wall Mode increase the new function of cellular thermoplastic core material, such as fire-retardant, solar heat protection, shielding, sound absorption function.But such mode by Be limited to functional stuffing adds maximum ratio and actual distribution situation, and often dispersibility is big and is difficult to control accurately material for performance The structure and performance of material, the functional effect that functional stuffing generates is also significantly limited, cause existing cellular thermoplastic core material into One step improves complex function aspect, and there are bottlenecks.
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.
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 honeycomb wall of thermoplastic composite core material of the invention is the bilayer of structure sheaf complex functional layer The hot composite construction of sheet material, adaptability different functional material and structural material heat is compound to obtain single structure material institute Inaccessiable comprehensive performance.Since functional layer and structure sheaf are that independent layering is arranged, mixed proportion and dispersibility is not present Limitation, the structure and performance of material can be more precisely controlled.Furthermore the function of thermoplastic composite core material of the invention Layer is continuously distributed, and the attainable functional effect of institute is significant.In addition, functional layer and knot that thermoplastic composite core material of the invention uses Structure layer compatibility is good, the compatibility physically or chemically that can be generated between the two, such as wellability, reactivity and intersolubility, and two The bond strength of person is high, meets 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, nothing Limitation in terms of wall thickness, can produce the thermoplastic composite core material of relatively thick, at the same can add various reinforcing fillers or 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. 3, for the production method of thermoplastic composite core material of the invention, correspondingly, this Invention additionally provides a kind of production equipment of thermoplastic composite core material, and 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 outbound course X along the direction that assembly line persistently exports that flat sheets 10, which are defined, from thermoplastic material molding equipment 1, i.e., flat The length direction of full wafer material 10；The width direction for defining flat sheets 10 is the broadside outbound course Y of flat sheets 10；Definition is hung down Directly in the direction of flowing water line platform be vertical direction Z.Referring to Fig. 3, coordinate origin is arranged at thermoplastic material molding equipment 1 Upstream, and defined jointly by assembly line outbound course X, broadside outbound course Y and flowing water line platform vertical direction Z each The absolute coordinate system of group production equipment.Define the third direction D3 that core material unit piece width direction is unit spliced body 100；Definition Core material unit leaf length direction is the first direction D1 of unit spliced body 100；The thickness direction of definition unit spliceosome 100 is single The second direction D2 of first spliceosome.
The production method and its equipment of thermoplastic composition core material shown in FIG. 1 realize the company of the double-deck thermoplastic composite core material Continuous production operation, and the sheet material unit band 20 of the present embodiment first overturns and carries out solid machine-shaping afterwards, the sheet material list after overturning First band 20 convenient can process the core material unit piece 30 of various different solids, due to each group process equipment can split settings, therefore Plant maintenance replacement operation is also more convenient.
Referring to Fig. 1, the production method of thermoplastic composite core material of the invention may include step:
S21, Mo Neire composite molding have the flat sheets 10 of structure sheaf and functional layer and hold along assembly line outbound course X Continuous output；
S22, flat sheets 10 are divided along assembly line outbound course X to be formed along wide multiple of broadside outbound course Y Sheet material unit band 20；
S23, multiple sheet material unit bands 20 are independently processed into corresponding multiple core material unit pieces 30, wherein at least It is accordingly processed in the sheet surface of the partial sheet material unit band 20 and repeats the non-closed of presentation along assembly line outbound course X Solid 104；
S24, it each core material unit piece 30 is collapsed and is laminated along broadside outbound course Y is spliced into unit spliced body 100, it is single First spliceosome 100 includes the multiple axial aperture structures being sequentially distributed along assembly line outbound course X, and multiple axial aperture structures pass through phase respectively The solid 104 answered is spliced.
Wherein, in S21, extrusion, curtain coating, calendering or roll-in processing etc. is can be used in the way of output of flat sheets 10.It is flat Full wafer material 10 is the hot composite construction of double layer sheet with structure sheaf A and functional layer B, the material tool of structure sheaf A and functional layer B There is compatibility, it can the hot composite molding directly in production line, the i.e. structural material along assembly line outbound course X synchronism output Can not be by the directly hot composite molding of binder in mold with functional material, thus the hot composite construction of double layer sheet can be continuously along The output of assembly line outbound course X straight forming, simple production process are continuous.Also, functional layer B adaptability according to required Function selects the structural material of different functional material and structure sheaf A to carry out, and heat is compound, and optionally, functional material can be fire-retardant material Material, acoustic material, anti-corrosion material etc. other meet functional material of the invention.
Also, due in the first production method of the invention without plastic uptake or blow molding process, therefore thermoplastic composite Limitation in terms of no wall thickness, i.e., along the flat sheets 10 that assembly line outbound course X is persistently exported, the lamellar spacing of structure sheaf A can Not less than 0.1mm, the structural strength for the honeycombed core being consequently formed is high.In addition, flat sheets 10 can be used and directly extrude The modes such as cast sheet, sheet material calendering, sheet material roll-in can also be used in molding mode.
Further, step S23 can include:
Before processing solid 104, by each sheet material unit band 20 be oriented to overturning and along broadside outbound course Y successively between Every arrangement.Wherein, so that sheet material unit band 20 prolongs along assembly line outbound course X after the guiding overturning of each sheet material unit band 20 It stretches, the sheet surface of sheet material unit band 20 and the sheet surface of flat sheets 10 are formed with plane included angle a '.As shown in figure 3, flat Face angle a ' is preferably 90 °, i.e., the sheet surface of each sheet material unit band 20 perpendicular to flat sheets 10 sheet surface, it is each The sheet surface of sheet material unit band 20 is parallel to each other and is distributed along broadside outbound course Y in opposed type grid plate.
In addition, the rotation axis of press roll component is perpendicular to flat as shown in figure 3, solid molding assembly 2 uses press roll component The sheet surface of full wafer material 10, each sheet material unit band 12 carries out machine-shaping by one group of press roll component, thus in sheet material list The combination lug boss along broadside outbound course Y in crowned is processed in the sheet surface of first band 20.Geometry lug boss is along smooth The vertical direction Z axis of the sheet surface of sheet material 10 is to perforation and in the sheet surface of sheet material unit band 20 in the geometry of non-closed shape The first inner hole of body 105, thus process include solid 104 core material unit piece 30, the solid of core material unit piece 30 Sheet surface of the one inner hole centreline OO ' perpendicular to flat sheets 10.
Certainly, it is, for example, plate pressure component or chain type die assembly etc. that other, which also can be used, in solid molding assembly 2.Work as geometry When the molding die shape of body formed component 2 is different, each not phase of the solid 104 for the core material unit piece 30 that machine-shaping goes out Together, it needs to adjust the position of each core material unit piece 30 at this time along assembly line outbound course X, unit is spliced into contraposition stacking and is spelled Junctor 100.Different core materials can also have been provided to process stacking by the molding die shape of flexible transformation solid molding assembly 2 The unit spliced body 100 of unit piece 30.
Further, step S23 may also include that
Keep the reverses direction of the two sheets unit band 20 of arbitrary neighborhood opposite；Wherein, along broadside outbound course Y successively In the first sheet material unit band, the second sheet material unit band and the third sheet material unit band being intervally arranged, the knot of the second sheet material unit band The structure sheaf A of structure layer A and the first sheet material unit band of side along broadside outbound course Y grid alignment, the second sheet material unit band The functional layer B of functional layer B and the third sheet material unit band of the other side is along broadside outbound course Y grid alignment.I.e. adjacent two When the correspondence of sheet material unit band 20 is processed into two adjacent core material unit pieces 30, as shown in Figure 10, Figure 11, two adjacent core materials The reverses direction of unit piece 30 is opposite and when being stitched together, and the combination of stitching position is that A-A-B-B is contacted, i.e., and adjacent two The two sides of the stitching position of a core material unit piece 30 are functional layer B or are structure sheaf A.
Alternatively, step S23 may also include that
Keep the reverses direction of the two sheets unit band 20 of arbitrary neighborhood identical；
Wherein, in the first sheet material unit band, the second sheet material unit band and being successively intervally arranged along broadside outbound course Y In three sheet material unit bands, the functional layer B of the first sheet material unit band of the structure sheaf A and side of the second sheet material unit band is defeated along broadside Direction Y grid alignment out, the structure sheaf A of the third sheet material unit band of the functional layer B and other side of the second sheet material unit band is along width Side outbound course Y grid alignment.The i.e. adjacent correspondence of two sheets unit band 20 is processed into two adjacent core material unit pieces 30 When, as shown in Figure 8, Figure 9, the reverses direction of two adjacent core material unit pieces 30 is identical and when being stitched together, stitching position Combination be A-B-A-B contact, i.e., the wherein side of the stitching position of two neighboring core material unit piece 30 is functional layer B, The other side is structure sheaf A.
Further, step S24 can include:
Before stacking splicing, adjustment core material unit piece 30 is moved along assembly line outbound course X, so that the two of arbitrary neighborhood In a core material unit piece 30, the geometry high point 102 of one and the geometry low spot 103 of another one are along broadside outbound course Y alignment.As shown in Fig. 3, Fig. 6, Fig. 7, spliced unit spliced body is laminated along broadside outbound course X in multiple core material unit pieces 30 100, the geometry high point 102 of the one of them of two core material unit pieces 30 of arbitrary neighborhood is low with the geometry of another one Point 103 is aligned along broadside outbound course Y, is consequently formed and is successively spaced apart along assembly line outbound course X and along perpendicular to flowing water Splicing axis hole 101 of the vertical direction Z axis of platform to perforation.
Wherein, it should be noted that when core material unit 30 shapes of piece are identical and reverses direction is opposite by two of arbitrary neighborhood When, it can be not necessarily to may make two cores of arbitrary neighborhood along the position that core material unit piece 30 is moved in assembly line outbound course X adjustment The geometry high point 102 of one of material unit piece 30 and the geometry low spot 103 of another one are along Y pairs of broadside outbound course Together.
Optionally, step S24 can include:
Make to be connected in a manner of melting adhered between the structure sheaf A or functional layer B between the core material unit piece 30 of arbitrary neighborhood； Alternatively, the contact surface in each core material unit piece 30 coats bonding layer to connect adjacent core material unit piece 30.
It specifically, can be in the splicing of each core material unit piece 30 after flat sheets 10 are processed into core material unit piece 30 Contact surface coating colloid is bonded to unit spliced body to form bonding layer, by the core material unit piece 30 collapsed after being laminated 100.It is glued alternatively, the core material unit piece 30 after being laminated can will be collapsed by hot melt splicing, ultrasound splicing or the melting of infrared mosaic Knot mode is bonded to unit spliced body 100.Unit spliced body 100 includes the multiple axis being sequentially distributed along assembly line outbound course X Pore structure, multiple axial aperture structures pass through corresponding solid 104 respectively and are spliced and including splicing axis hole 101 and around splicing The circumferentially closed axis hole peripheral wall of axis hole 101.
Further, the second 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%.
For above-mentioned production method, the present invention also provides a kind of production equipments of thermoplastic composite core material, comprising:
Thermoplastic material molding equipment 1, for having the flat sheets 10 of structure sheaf and functional layer in Mo Neire composite molding And it is persistently exported along assembly line outbound course X；
Cutting assembly 4, for dividing flat sheets 10 along assembly line outbound course X to be formed along broadside outbound course Y Wide multiple sheet material unit bands 20；
Core material unit piece machine-shaping component, it is corresponding multiple for being independently processed into multiple sheet material unit bands 20 Core material unit piece 30, wherein accordingly processing in the sheet surface of at least part of sheet material unit band 20 along assembly line output side The non-closed solid 104 presented is repeated to X；
Unit spliced body splicing component, for being collapsed each core material unit piece 30 along broadside outbound course Y and spelling being laminated It is connected into unit spliced body 100, unit spliced body 100 includes the multiple axial aperture structures being sequentially distributed along assembly line outbound course X, more A axial aperture structure passes through corresponding solid 104 respectively and is spliced.
Wherein, as shown in Figure 2 and Figure 3, thermoplastic material molding equipment 1 includes the first extrusion die 1a arranged up and down and the The hot composite molding section of two extrusion die 1b and the molding extrusion positioned at the first extrusion die 1a and the second extrusion die 1b 1c.First extrusion die 1a arranged up and down and the second extrusion die 1b squeeze out respectively with compatibility functional material sheet material and Structural material sheet material, two kinds of materials carry out Mo Neire composite molding by hot composite molding section 1c, to be directly formed to structure sheaf A The flat sheets 10 of the hot composite construction of the double layer sheet of complex functional layer B, so as to the persistently output life directly on assembly line It produces.
In addition, core material unit piece machine-shaping component includes:
Guide-localization component 5, for before processing solid 104, each sheet material unit band 20 to be oriented to overturning and edge Broadside outbound course Y is successively intervally arranged；
Solid molding assembly 2, for molding at least part of sheet material unit band 20 along assembly line outbound course X The non-closed solid 104 presented is repeated, to form corresponding core material unit piece 30.
Wherein, as shown in figure 3, guide-localization component 5 is chosen as the guide roller component being equal with 20 quantity of sheet material unit band, Every group of press roll component includes at least two guide rollers, and multiple guide rollers are along broadside outbound course Y arranged for interval.Body formed group of geometry The press roll component being equal with 20 quantity of sheet material unit band can be used in part 2, and multiple groups press roll component is along the interval broadside outbound course Y cloth It sets, the pressure roller shape of multiple groups press roll component can be converted according to needs of production.Certainly, guide-localization component 5 can also example For example it is oriented to cabinet etc..
Further, unit spliced body splicing component can include: for collapsing each core material unit along broadside outbound course Y Piece 30 gather component 7 and for heat along broadside outbound course Y successively spaced apart core material unit piece 30 can melt It is bonded into the hot-melt adhesive paste component 8 of unit spliced body 100.At this point, thermoplastic material molding equipment 1, cutting assembly 4, guide-localization Component 5, solid molding assembly 2 are gathered component 7 and hot-melt adhesive paste component 8 and can be sequentially arranged along assembly line outbound course X, with Convenient for production line operation.
Alternatively, unit spliced body splicing component can include: for coating bonding layer on the contact portion of core material unit piece 30 Glue rifle and for along broadside outbound course Y collapse coating bonding layer after each core material unit piece 30 to be mutually glued into unit Spliceosome 100 gathers component 7.At this point, thermoplastic material molding equipment 1, cutting assembly 4, guide-localization component 5, solid at Type component 2, glue rifle and gathers component 7 and can be sequentially arranged along assembly line outbound course X.
The above are the production method and production equipment of thermoplastic composite core material according to the present invention, will refer to below Fig. 4~ Figure 12 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. 6 100, the unit Spliceosome 100 by it is multiple along first direction D1 extend and in a second direction D2 stacking splicing core material unit piece 30 form, at least The sheet surface of partial core material unit piece 30 is formed with the solid for being sequentially distributed and be in non-closed shape along sheet length direction 104.Wherein, as shown in Figure 4, Figure 5, core material unit piece 30 is the double layer sheet structure for including structure sheaf A and functional layer B, structure Layer A is to be used to form load bearing structural material, and functional layer B is then for providing the functional material of various functions.Structure There is compatibility, i.e., the phase of the physics generated between the two and chemistry between the structural material of layer A and the functional material of functional layer B Capacitive.Such as wellability, reactivity and intersolubility.Structure sheaf A and function B can not be direct by binder in mold as a result, Hot composite molding.In external form, it is formed in unit spliced body 100 of the invention and is at least sequentially distributed along first direction D1 Multiple to be spliced to form axial aperture structure by solid 104, axial aperture structure includes the splicing axis hole 101 axially along third direction D3 and encloses Around the circumferentially closed axis hole peripheral wall of splicing axis hole 101.
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 the metal formings material such as traditional steel and aluminium, thermoplastic material have light weight, good insulating, it is corrosion-resistant, The advantages that easily bonding and weld.In addition, plastic plate recoverable, is convenient for secondary operation, economizes on resources.Wherein, structure sheaf A Material may include thermoplastic polymer, filler filling thermoplastic polymer, fibre-reinforced thermoplastic resin-based composite wood Material, plastic deformation paper and/or steel plastic compount object.Specifically, thermoplastic polymer can be polypropylene, polyethylene, polyamide, heat Plasticity polyester, polystyrene, polycarbonate, polyphenylene oxide, thermoplastic elastomer (TPE), multi-component copolymer thermoplastic, gathers polyvinyl chloride One of methyl 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 combined and spliced mode of the first as shown in Figure 10, Figure 11, 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 8, Figure 9 second, the overturning side of the two sheets unit band 20 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, and the other side is structure sheaf.In other words, work as unit Spliceosome 100 includes at least D2 in a second direction and stacks gradually the first core material unit piece of splicing, the second core material unit piece and the Three core material unit pieces, 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, which is abutted, to be connected, The functional layer B of second core material unit piece is abutted with the structure sheaf A of the third core material unit piece of the other side to be connected.
In thermoplastic composite core material of the invention, referring to Figure 12, 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 6, Figure 7 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 12, 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 12, 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 6, Figure 7, 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 pass through geometry high point 102 and side the The geometry low spot 103 of one core material unit piece abuts the third core material for being connected, and passing through geometry low spot 103 and the other side The geometry high point 102 of unit piece, which abuts, to be connected, to be spliced into entire unit spliced body 100.In adjacent core material unit In 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. 8, Figure 10, 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 12, 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 12 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. 6 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. 6, 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. 6 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:
Mo Neire composite molding has the flat sheets (10) of structure sheaf (A) and functional layer (B) and along assembly line outbound course (X) Lasting output；
The flat sheets (10) are wide along broadside outbound course (Y) to be formed along the assembly line outbound course (X) segmentation Multiple sheet material unit bands (20)；
Multiple sheet material unit bands (20) are independently processed into corresponding multiple core material unit pieces (30), wherein at least It is accordingly processed in the sheet surface of the partial sheet material unit band (20) and repeats to present along the assembly line outbound course (X) Non-closed solid (104)；
Each core material unit piece (30) is collapsed and is laminated along the broadside outbound course (Y) and is spliced into unit spliced body (100), the unit spliced body (100) includes the multiple axial aperture structures being sequentially distributed along the assembly line outbound course (X), more A axial aperture structure passes through the corresponding solid (104) respectively and is spliced.
2. the production method of thermoplastic composite core material according to claim 1, wherein the material packet of the structure sheaf (A) Include thermoplastic polymer, the fibre-reinforced thermoplastic resin based composite material, plastic deformation of thermoplastic polymer, filler filling Paper and/or steel plastic compount object.
3. the production method of thermoplastic composite core material according to claim 2, 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.
4. 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.
5. the production method of thermoplastic composite core material according to claim 1, wherein by multiple sheet material unit bands (20) being independently processed into corresponding multiple core material unit pieces (30) includes:
Before processing the solid (104), each sheet material unit band (20) guiding is overturn and defeated along the broadside Direction (Y) is successively intervally arranged out.
6. the production method of thermoplastic composite core material according to claim 5, wherein so that in each sheet material unit After band (20) guiding overturning, the sheet material unit band (20) extends along assembly line outbound course (X), the sheet material unit band (20) Sheet surface and the sheet surface of the flat sheets (10) be formed with plane included angle (a ').
7. the production method of thermoplastic composite core material according to claim 6, wherein make two described of arbitrary neighborhood The reverses direction of material unit band (20) is opposite；
Wherein, be successively intervally arranged along the broadside outbound course (Y) the first sheet material unit band, the second sheet material unit band and In third sheet material unit band, the structure sheaf (A) of the second sheet material unit band and the first sheet material unit band of side The structure sheaf (A) along broadside outbound course (Y) grid alignment, the functional layer of the second sheet material unit band (B) with the functional layer (B) of the third sheet material unit band of the other side along broadside outbound course (Y) grid alignment.
8. the production method of thermoplastic composite core material according to claim 6, wherein make two described of arbitrary neighborhood The reverses direction of material unit band (20) is identical；
Wherein, be successively intervally arranged along the broadside outbound course (Y) the first sheet material unit band, the second sheet material unit band and In third sheet material unit band, the structure sheaf (A) of the second sheet material unit band and the first sheet material unit band of side The functional layer (B) along broadside outbound course (Y) grid alignment, the functional layer of the second sheet material unit band (B) with the structure sheaf (A) of the third sheet material unit band of the other side along broadside outbound course (Y) grid alignment.
9. the production method of thermoplastic composite core material according to claim 8, wherein by each core material unit piece (30) it collapses and is laminated along the broadside outbound course (Y) and be spliced into unit spliced body (100) and include:
Before stacking splicing, along the mobile adjustment core material unit piece (30) of the assembly line outbound course (X), so that arbitrarily In the core material unit piece (30) of adjacent two, the geometry high point (102) of one and the geometry low spot of another one (103) it is aligned along the broadside outbound course (Y).
10. the production method of thermoplastic composite core material according to claim 1, wherein by each core material unit piece (30) it collapses and is laminated along the broadside outbound course (Y) and be spliced into unit spliced body (100) and include:
Make between the structure sheaf (A) or the functional layer (B) between the core material unit piece (30) of arbitrary neighborhood with molten Melt bonding way to be connected；Alternatively, the contact surface coating bonding layer in each core material unit piece (30) is adjacent to connect The core material unit piece (30).
11. the production method of thermoplastic composite core material according to claim 1, wherein in the flat sheets (10) The functional layer (B) has compatibility with for the load bearing structure sheaf (A).
12. the production method of thermoplastic composite core material according to claim 1, wherein held along assembly line outbound course (X) The lamellar spacing of the structure sheaf (A) of the flat sheets (10) of continuous output is not less than 0.1mm.
13. the production method of thermoplastic composite core material according to claim 13, 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.
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 the unit is spelled when the vertical direction of the sheet surface of the flat sheets (10) is to bear compressive load direction The material volume utilization rate of junctor (100) is not less than 60%, it is preferred that material volume utilization rate is not less than 80%；
And/or so that the core material in the sheet surface for being parallel to the flat sheets (10) of the unit spliced body (100) is horizontal On section, plane voidage is not less than 40%, and 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 there is smooth of structure sheaf (A) and functional layer (B) in Mo Neire composite molding Material (10) is simultaneously persistently exported along assembly line outbound course (X)；
Cutting assembly (4), for dividing the flat sheets (10) along the assembly line outbound course (X) to be formed along broadside The wide multiple sheet material unit bands (20) of outbound course (Y)；
Core material unit piece machine-shaping component is corresponding more for being independently processed into multiple sheet material unit bands (20) A core material unit piece (30), wherein accordingly processing in the sheet surface of at least part of sheet material unit band (20) along institute It states assembly line outbound course (X) and repeats the non-closed solid (104) presented；
Unit spliced body splicing component, for collapsing each core material unit piece (30) along the broadside outbound course (Y) And be laminated be spliced into unit spliced body (100), the unit spliced body (100) include along the assembly line outbound course (X) according to Multiple axial aperture structures of secondary distribution, multiple axial aperture structures pass through the corresponding solid (104) respectively and are spliced.
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:
Guide-localization component (5), for before processing the solid (104), each sheet material unit band (20) to be led It is successively intervally arranged to overturning and along the broadside outbound course (Y)；
Solid molding assembly (2), for molding on at least part of sheet material unit band (20) along the assembly line Outbound course (X) repeats the non-closed solid (104) presented, to form corresponding core material unit piece (30).
18. the production equipment of thermoplastic composite core material according to claim 15, wherein the unit spliced body splicing group Part includes:
Gather component (7), for collapsing each core material unit piece (30) along the broadside outbound course (Y)；
Hot-melt adhesive paste component (8), for heating along the broadside outbound course (Y) the successively spaced apart core material unit piece (30) with can be melting adhered at the unit spliced body (100)；Or
The unit spliced body splicing component includes:
Glue rifle, for coating bonding layer on the contact portion of the core material unit piece (30)；And
Gather component (7), for collapsing each core material list after coating the bonding layer along the broadside outbound course (Y) First piece (30) is to be mutually glued into the unit spliced body (100).
CN201910390898.0A 2019-05-10 2019-05-10 The production method and production equipment of thermoplastic composite core material Pending CN110181844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910390898.0A CN110181844A (en) 2019-05-10 2019-05-10 The production method and production equipment of thermoplastic composite core material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910390898.0A CN110181844A (en) 2019-05-10 2019-05-10 The production method and production equipment of thermoplastic composite core material

Publications (1)

Publication Number Publication Date
CN110181844A true CN110181844A (en) 2019-08-30

Family

ID=67716020

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910390898.0A Pending CN110181844A (en) 2019-05-10 2019-05-10 The production method and production equipment of thermoplastic composite core material

Country Status (1)

Country Link
CN (1) CN110181844A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983640A (en) * 1957-06-24 1961-05-09 Hexcel Products Inc Method of making honeycomb
EP0507733A1 (en) * 1991-04-03 1992-10-07 Ciba-Geigy Ag Apparatus for cutting and stacking sheets
EP0531251A2 (en) * 1991-08-05 1993-03-10 Alusuisse-Lonza Services Ag Method and apparatus for making a honey comb case from foil webs, and use of such a case as case for continuously produced composite panels
CN1290597A (en) * 2000-10-31 2001-04-11 陈卫国 Method for fully automatically producing honeycomb paper board
DE102005052691B3 (en) * 2005-10-28 2007-03-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Honeycomb structure manufacturing method for e.g. industry, involves providing profiled material strips with different widths, which correspond to height of honeycomb, and connecting material strips with one another through laser welding
CN101112804A (en) * 2006-07-24 2008-01-30 佛山市德堡印刷机械有限公司 Honeycomb core made in mechanized production and method for producing sandwich board by using said honeycomb core
CN102990934A (en) * 2012-11-27 2013-03-27 常州悦诚新材料有限公司 Method for producing continuous glass fiber fabric reinforced thermoplastic plastic honeycomb plate
CN203623039U (en) * 2013-10-28 2014-06-04 安丘市东方装饰有限公司 Production equipment for honeycomb paper cores
US20150174881A1 (en) * 2013-12-20 2015-06-25 C&D Zodiac, Inc. Rf node welding of corrugated 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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983640A (en) * 1957-06-24 1961-05-09 Hexcel Products Inc Method of making honeycomb
EP0507733A1 (en) * 1991-04-03 1992-10-07 Ciba-Geigy Ag Apparatus for cutting and stacking sheets
EP0531251A2 (en) * 1991-08-05 1993-03-10 Alusuisse-Lonza Services Ag Method and apparatus for making a honey comb case from foil webs, and use of such a case as case for continuously produced composite panels
CN1290597A (en) * 2000-10-31 2001-04-11 陈卫国 Method for fully automatically producing honeycomb paper board
DE102005052691B3 (en) * 2005-10-28 2007-03-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Honeycomb structure manufacturing method for e.g. industry, involves providing profiled material strips with different widths, which correspond to height of honeycomb, and connecting material strips with one another through laser welding
CN101112804A (en) * 2006-07-24 2008-01-30 佛山市德堡印刷机械有限公司 Honeycomb core made in mechanized production and method for producing sandwich board by using said honeycomb core
CN102990934A (en) * 2012-11-27 2013-03-27 常州悦诚新材料有限公司 Method for producing continuous glass fiber fabric reinforced thermoplastic plastic honeycomb plate
CN203623039U (en) * 2013-10-28 2014-06-04 安丘市东方装饰有限公司 Production equipment for honeycomb paper cores
US20150174881A1 (en) * 2013-12-20 2015-06-25 C&D Zodiac, Inc. Rf node welding of corrugated 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

Similar Documents

Publication Publication Date Title
WO2005010293A1 (en) A paper honeycomb core composite panel
WO1998010921A2 (en) Structural dimple panel
WO2022122046A1 (en) Thermally isolating insulation composite board and preparation method therefor
CN110228210A (en) The production method and production equipment of thermoplasticity core material
CN110181844A (en) The production method and production equipment of thermoplastic composite core material
CN110154433A (en) The production method and production equipment of thermoplastic composite core material
CN110315805A (en) Thermoplastic core and device comprising the same
CN110154490A (en) Thermoplasticity core material with multi-layer compound structure and the equipment including the core material
CN110171145A (en) The production method and production equipment of thermoplastic composite core material
CN211493052U (en) Flame-retardant PP building template
CN110242849A (en) Thermoplastic composite core material and equipment including the thermoplastic composite core material
CN212636772U (en) Multilayer corrugated composite material sandwich structure
CN110185915A (en) The production method and production equipment of thermoplastic composite core material
CN106317553B (en) High strength detonating tube and preparation method thereof
CN110171146A (en) The production method and production equipment of thermoplasticity core material
CN110154493A (en) The production method and production equipment of thermoplasticity core material with multi-layer compound structure
CN110228220A (en) The production method and production equipment of thermoplastic composition core material
CN110202812A (en) The production method and production equipment of thermoplasticity core material
CN206953694U (en) A kind of novel honeycomb structure, there are its honeycomb boards and foamed board
CN110216972A (en) The production method and production equipment of thermoplasticity core material with multi-layer compound structure
CN205314435U (en) Do not have steamed fire -retardant polyethylene and mould wooden steel composite sheet
CN110216969A (en) The production method and production equipment of thermoplasticity core material with multi-layer compound structure
CN110242848A (en) Thermoplastic composition core material
CN204095208U (en) Thermoplastic sheet structure
CN107662388A (en) A kind of Large Copacity automatic liquid filling machine high-isolating packaging film and its manufacture method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination