CN110171145A

CN110171145A - The production method and production equipment of thermoplastic composite core material

Info

Publication number: CN110171145A
Application number: CN201910390534.2A
Authority: CN
Inventors: 文成玉; 梁文斌; 张志成; 马伊
Original assignee: China Energy Investment Corp Ltd; National Institute of Clean and Low Carbon Energy
Current assignee: China Energy Investment Corp Ltd; National Institute of Clean and Low Carbon Energy
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2019-08-27

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；By flat sheets division processing at it is wide along broadside outbound course and along assembly line outbound course be in band-like multiple core material unit pieces, be wherein at least machined in the sheet surface of the core material unit piece of part along assembly line outbound course repeat present non-closed solid；Multiple core material unit pieces are spliced into unit spliced body along the stacking of broadside outbound course.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 smooth sheet material of structure sheaf and functional layer and continues along assembly line outbound course defeated Out；

By the sheet material division processing at it is wide along broadside outbound course and along the assembly line outbound course in band-like Multiple core material unit pieces are wherein at least machined in the sheet surface of the core material unit piece of part and export along the assembly line Direction repeats the non-closed solid presented；

Multiple core material unit pieces are spliced into unit spliced body along broadside outbound course stacking, the unit is spelled Junctor includes multiple axial aperture structures that the solid is sequentially distributed and passed through along the assembly line outbound course and is spliced to form.

Further, in the sheet material, the functional layer with for the load bearing structure sheaf can have it is compatible Property.

Optionally, along the sheet material that assembly line outbound course persistently exports, the lamellar spacing of the structure sheaf is not small In 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, multiple core material unit pieces are spliced into unit spliced body along broadside outbound course stacking can Include:

Each core material unit piece after division processing is overturn into predetermined angle respectively, so that the core material after overturning Unit leaf length direction (L) is kept along the assembly line outbound course, the width of core material unit piece width direction (W) and the sheet material Angle (a) is formed between the outbound course of side；

Each core material unit piece after overturning is collapsed along the broadside outbound course and is laminated and is spliced into unit spelling Junctor.

In addition, the rotation axis (PP ') of each core material unit piece can be along the assembly line outbound course.

Optionally, each core material unit piece after division processing is overturn predetermined angle respectively includes: to make any phase The reverses direction of two adjacent core material unit pieces is opposite；

Wherein, in the first core material unit piece, the second core material unit piece and successively arranged along the broadside outbound course In three core material unit pieces, the first core material unit piece of the structure sheaf and side of the second core material unit piece it is described Structure sheaf is aligned along the broadside outbound course, the functional layer of the second core material unit piece and the third of the other side The functional layer of core material unit piece is aligned along the broadside outbound course.

Optionally, each core material unit piece after division processing is overturn predetermined angle respectively includes: to make any phase The reverses direction of two adjacent core material unit pieces is identical；

Wherein, in the first core material unit piece, the second core material unit piece and successively arranged along the broadside outbound course In three core material unit pieces, the first core material unit piece of the structure sheaf and side of the second core material unit piece it is described Functional layer is aligned along the broadside outbound course, the functional layer of the second core material unit piece and the third of the other side The structure sheaf of core material unit piece is aligned along the broadside outbound course.

Further, multiple core material unit pieces are spliced into unit spliced body also along broadside outbound course stacking 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.

Optionally, multiple core material unit pieces are spliced into unit spliced body packet along broadside outbound course stacking It includes:

Bonding layer is coated in the contact surface of each core material unit piece, and connects adjacent institute by the bonding layer State core material unit piece；Or

Make between the structure sheaf or the functional layer between the core material unit piece of arbitrary neighborhood with melting adhered Mode is connected.

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.

Further, the thermoplastic polymer can be polypropylene, polyethylene, polyamide, thermoplastic polyester, polychlorostyrene second Alkene, polystyrene, polycarbonate, polyphenylene oxide, thermoplastic elastomer (TPE), multi-component copolymer thermoplastic, polymethyl methacrylate, One of polyphenylene sulfide, polyether-ether-ketone and polyimides or in which a variety of blends；

Alternatively, the filler in the thermoplastic polymer of filler filling can be 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, fiber in the fibre-reinforced thermoplastic resin based composite material can for organic fiber, inorfil, One of metallic fiber, macromolecular fibre, plant fiber are a variety of；

Alternatively, fiber in the fibre-reinforced thermoplastic resin based composite material can be glass fibre, carbon fiber, profound Military rock fiber, steel wire fibre, polypropylene fibre, polyester fiber, ultra high molecular weight polyethylene fiber, polyimide fiber and fiber crops are fine One of dimension 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 erosion resistant coating or puigging function combination layer.

Further, the material of the functional layer may include fire-retardant filler filled polymer, the filling polymerization of uvioresistant filler Object, paint filler filled polymer, thermal resistance or heat-transfer filler filled polymer, saturating magnetic or resistance magnetic filler filled polymer, anti-corrosion One or more of filler filled polymer, sound insulation filler filled polymer composition.

Further, the production method may also include that

So that in the unit spliced body of spicing forming type, when the vertical direction of the sheet surface of the sheet material is to bear When 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 Not less than 80%；

And/or on the core material cross section of the sheet surface for being parallel to the sheet material in the unit spliced body, plane is empty Gap rate 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 there is structure sheaf and the smooth sheet material of functional layer simultaneously in Mo Neire composite molding It is persistently exported along assembly line outbound course；

Core material unit piece machine-shaping component is used for the sheet material division processing into the wide and edge along broadside outbound course The assembly line outbound course is in band-like multiple core material unit pieces, wherein at least the sheet material table of the core material unit piece of part It is machined on face and repeats the non-closed solid presented along the assembly line outbound course；

Unit spliced body splicing component splices for multiple core material unit pieces to be laminated along the broadside outbound course At unit spliced body, the unit spliced body includes that the solid is sequentially distributed and passed through along the assembly line outbound course to spell Connect the multiple axial aperture structures to be formed.

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.

Further, the unit spliced body splicing component includes:

Guide-localization component makes for each core material unit piece after division processing to be overturn predetermined angle respectively The core material unit leaf length direction after must overturning is kept along the assembly line outbound course, the core material unit piece width side Angle is formed between the broadside outbound course of the sheet material；

Gather component, for collapsing each core material unit piece along the broadside outbound course；

Melting adhered component, for heating each core material unit piece with melting adhered into unit spliced body.

According to another aspect of the present invention, a kind of production equipment of thermoplastic composition core material is additionally provided, comprising:

Glue rifle coats bonding layer for the contact surface in each core material unit piece；Unit spliced body splicing component, For multiple core material unit pieces to be spliced into unit spliced body, the unit spliced body along broadside outbound course stacking The multiple axial aperture structures being spliced to form including the solid is sequentially distributed and passed through along the assembly line outbound course.

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

A angle OO' geometry inner hole centreline

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, can generate compatibility physically or chemically, such as wellability, reactivity and intersolubility, the two between the two Bond strength it is high, 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, 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 L is the first direction D1 of unit spliced body 100；The thickness direction of definition unit spliceosome 100 is The second direction D2 of unit spliced body.

Referring to Fig. 1, the production method of thermoplastic composite core material of the invention may include step:

S11, Mo Neire composite molding have the flat sheets 10 of structure sheaf A and functional layer B and along assembly line outbound course X Lasting output；

S12, by 10 division processing of flat sheets at it is wide along broadside outbound course Y and along assembly line outbound course X be in band Multiple core material unit pieces 30 of shape are wherein at least machined in the sheet surface of the core material unit piece 30 of part and export along assembly line Direction X repeats the non-closed solid 104 presented；

S13, multiple core material unit pieces 30 are spliced into unit spliced body 100, unit spliced along broadside outbound course Y stacking Body 100 includes multiple axial aperture structures that solid 104 is sequentially distributed and passed through along assembly line outbound course X and is spliced to form.

Wherein, in S11, 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.

It should be noted that the molding mode directly extruded can be used in flat sheets 10, since flat sheets 10 are along broadside The output broadside size of outbound course Y is limited, therefore can export flat sheets 10 along broadside outbound course Y multiple groups, thus increases edge The geometry core material unit piece 32 of broadside outbound course Y synchronism output or the quantity of smooth core material unit piece 31, thus can larger journey The production size of unit spliced body 100 is expanded on degree ground.

Further, according to the sequencing of working sheet shape and segmentation sheet material, S12 may include sub-step:

S121, by 10 division processing of flat sheets at it is wide along broadside outbound course Y and along assembly line outbound course X be in band Multiple sheet material unit bands 20 of shape；

S122, it will be machined in the sheet surface of at least part of sheet material unit band 20 along assembly line outbound course X repetition The non-closed solid 104 presented, so that being formed along assembly line outbound course X is in band-like multiple core material unit pieces 30.

Alternatively, S12 may include sub-step:

S121 ', it will be machined in the sheet surface of flat sheets 10 along the non-closed of assembly line outbound course X repetition presentation Solid 104；

S122 ', by 10 division processing of flat sheets of the machined completion in surface at wide along broadside outbound course Y and along stream Waterline outbound course X is in band-like multiple core material unit pieces 30.

It will be appreciated to those of skill in the art that flat sheets 10 can be by adjusting for processing solid 104 The shape of mold processes smoothing unit sheet material 31 or geometry core material unit piece 32, and the processing method of solid 104 can be adopted With roll-in, plate pressure or the extruding of chain type mold etc..Mold at least partly peripheral part for processing solid 104, which is formed with, is in Convex and the seamed edge pressure contact portion extended along the broadside outbound course Y of flat sheets 10, in flat sheets 10 or sheet material unit The geometry lug boss perpendicular to sheet surface is processed in sheet surface with 20, is formed on geometry lug boss in sheet material table Face forms solid 104 in the first inner hole of solid 105 non-closed shape and along the perforation of broadside outbound course Y-axis.Such as Shown in Fig. 3, geometry inner hole centreline OO ' is processed on the core material unit piece 30 that processes and is parallel to the several of broadside outbound course What body 104.

Further, S13 can include:

Each core material unit piece 30 after division processing is overturn into predetermined angle respectively, so that the core material unit piece after overturning Length direction L is kept along assembly line outbound course X, the broadside outbound course Y of core material unit piece width direction W and flat sheets 10 Between formed angle a；Each core material unit piece 30 after overturning is collapsed along broadside outbound course Y and is laminated and is spliced into unit spelling Junctor 100.Wherein, for the ease of each core material unit piece 30 is carried out gathering stacking, each core material list in production line The rotation axis PP ' of first piece 30 is along assembly line outbound course X.The geometry inner hole centreline of each core material unit piece 30 after overturning OO ' may favour flowing water line platform.Optionally, as shown in figure 3, angle a is 90 °, each core material unit piece after overturning Each core material unit piece 30 and flat sheets 10 of the 30 geometry inner hole centreline OO ' perpendicular to flowing water line platform, that is, after overturning Vertically.

Further, each core material unit piece 30 after division processing is overturn into predetermined angle respectively can include:

Keep the reverses direction of two core material unit pieces 30 of arbitrary neighborhood opposite；Wherein, along broadside outbound course Y successively In the first core material unit piece, the second core material unit piece and the third core material unit piece arranged, the structure sheaf A of the second core material unit piece Be aligned with the structure sheaf A of the first core material unit piece of side along broadside outbound course Y, 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 broadside outbound course Y.As shown in Figure 10, Figure 11, adjacent two The reverses direction of core material 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. phase The two sides of the stitching position of adjacent two core material unit pieces are functional layer B or are structure sheaf A.

Alternatively, each core material unit piece 30 after division processing is overturn predetermined angle respectively may also include that

Keep the reverses direction of two core material unit pieces 30 of arbitrary neighborhood identical；Wherein, along broadside outbound course Y successively In the first core material unit piece, the second core material unit piece and the third core material unit piece arranged, the structure sheaf A of the second core material unit piece Be aligned with the functional layer B of the first core material unit piece of side along broadside outbound course Y, 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 broadside outbound course Y.As shown in Figure 8, Figure 9, two adjacent cores The reverses direction of material unit piece 30 is identical and when being stitched together, and the combination of stitching position is A-B-A-B contact, i.e., adjacent The wherein side of the stitching position of two core material unit pieces 30 is functional layer B, and the other side is structure sheaf A.

In addition, multiple core material unit pieces 30, which are spliced into unit spliced body 100 also along broadside outbound course Y stacking, to be wrapped It includes:

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 Y 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.

In some embodiments, multiple core material unit pieces 30 are spliced into unit along broadside outbound course Y stacking Spliceosome 100 can include:

Bonding layer is coated in the contact surface of each core material unit piece 30, and connects adjacent core material unit by bonding layer Piece 30；Or make between structure sheaf A or functional layer B between the core material unit piece 30 of arbitrary neighborhood the phase in a manner of melting adhered Even.

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.

Further, the first 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 of structure sheaf A and functional layer B in Mo Neire composite molding It 10 and is persistently exported along assembly line outbound course X；

Core material unit piece machine-shaping component is used for 10 division processing of flat sheets at wide along broadside outbound course Y And along assembly line outbound course X in band-like multiple core material unit pieces 30, the wherein at least sheet material of the core material unit piece 30 of part It is machined on surface along assembly line outbound course X) the non-closed solid 104 that presents again；

Unit spliced body splicing component, for multiple core material unit pieces 30 to be spliced into list along broadside outbound course Y stacking First spliceosome 100, unit spliced body 100 include that solid 104 is sequentially distributed and passed through along assembly line outbound course X to be spliced to form Multiple axial aperture structures.

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 may include cutting assembly 4 and solid molding assembly 2, cutting assembly 4 It is several for cutting flat sheets 10 or the molded flat sheets 10 for being machined with solid 104 in surface along assembly line outbound course X What body formed component 2 is used to go out in the sheet surface machine-shaping of flat sheets 10 or sheet material unit band 20 perpendicular to sheet surface In the geometry lug boss of crowned, solid 104 is formed in sheet surface in non-closed shape and along broadside outbound course Y-axis The first inner hole of solid 105 of perforation.As shown in figure 3, solid molding assembly 2 is using press roll component to flat sheets 10 or piece Material unit band 20 carries out machine-shaping, and the invention is not limited thereto, and the processing assemblies such as plate mold or chain type mold can also be used. And according to the difference cut with the sequencing of geometric molding processing, cutting assembly 4 and solid molding assembly 2 are in assembly line Upper position interchangeable.

Further, unit spliced body splicing component includes:

Guide-localization component 5, for each core material unit piece 30 after division processing to be overturn predetermined angle respectively, so that Core material unit leaf length direction L after overturning is kept along assembly line outbound course X, core material unit piece width direction W with smooth Angle a is formed between the broadside outbound course Y of material 10；

Gather component 7, for collapsing each core material unit piece 30 along broadside outbound course Y；

Hot-melt adhesive paste component 8, for heating each core material unit piece 30 with melting adhered into unit spliced body 100.

Wherein, gathering component can be separately provided, or the frame modes such as guiding cheekn that can also be narrowed by component will be each A core material unit piece 30 is collapsed from two sides to center.Hot-melt adhesive paste component 8 can be heater box, also be ultrasonic bond or infrared heating Etc. equipment, the invention is not limited thereto.At this point, thermoplastic material molding equipment 1, core material unit piece machine-shaping component, guide-localization Component 5 is gathered component 7 and hot-melt adhesive paste component 8 and is sequentially arranged along assembly line outbound course X.

Optionally, the production equipment of thermoplastic composite core material may also include that

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；

Core material unit piece machine-shaping component is used for 10 division processing of flat sheets at wide along broadside outbound course Y And along assembly line outbound course X in band-like multiple core material unit pieces 30, the wherein at least sheet material of the core material unit piece 30 of part It is machined on surface and repeats the non-closed solid 104 presented along assembly line outbound course X；

Glue rifle coats bonding layer for the contact surface in each core material unit piece 30；

Guide-localization component 5, it is default for overturning each core material unit piece 30 of contact surface coating bonding layer respectively Angle, so that the core material unit leaf length direction L after overturning is kept along assembly line outbound course X, core material unit piece width direction W Angle a is formed between the broadside outbound course Y of flat sheets 10；

Unlike production equipment shown in Fig. 3, the production equipment is using glue rifle to the phase mutual connection of core material unit piece 30 Touching position carries out gluing gluing to splice bonding in unit spliced body 100.Glue rifle can be the pressure roller group with solid molding assembly 2 The respective rotation axis of the identical roll body glue rifle (not shown) of part shape and structure, press roll component and roll body glue rifle is along broadside Outbound course Y, the roll body peripheral wall of roll body glue rifle are formed with the seamed edge gluing portion of circumferentially spaced groove-like, the roller of press roll component Body peripheral wall is formed with the seamed edge pressure contact portion of circumferentially spaced convex, seamed edge pressure contact portion and seamed edge gluing portion circumferentially identical cloth It sets and the number of the two is identical.In addition, thermoplastic material molding equipment 1, core material unit piece machine-shaping component, glue rifle and unit are spelled Junctor splicing component is 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 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 the several of non-closed shape along core material unit leaf length direction L What body 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 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. There is compatibility between the structural material of structure sheaf A and the functional material of functional layer B, i.e., generate physics and chemistry between the two Compatibility.Such as wellability, reactivity and intersolubility.Structure sheaf A and function B can not be straight by binder in mold as a result, Connect 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 It is multiple axial aperture structure is spliced to form by solid 104, axial aperture structure includes 101 He of splicing axis hole axially along third direction D3 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 The function material layers such as one or more of magnetosphere, erosion resistant coating or puigging function combination layer, the invention is not limited thereto, also It can be function material layers such as other thermal insulation layers etc..

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, anticorrosive packing 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 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 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 core material that D2 stacking is spliced in a second direction Unit piece 30 is all the same, and the solid 104 formed in the sheet surface of each core material unit piece 30 is all the same and along first direction D1 is spacedly distributed.However, the present invention is not limited thereto, as shown in figure 12, splicing is laminated in D2 to unit spliced body 100 in a second direction Geometry 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 It is identical.Alternatively, the solid 104 formed in the sheet surface of geometry core material unit piece 32 is distributed along first direction unequal interval Deng.

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 geometry inner hole centreline OO' is along third direction D3.In addition, adjacent The second inner hole of solid 106 of non-close, the first inner hole of solid 105 and solid second can be also formed between solid 104 The non-close opening of inner hole 106 is towards on the contrary.Solid 104 can be compression moulding structure, and the first inner hole of solid 105 can be pressure Type hole is made and can be the various shapes such as the half point hole of hexagonal hole, diamond hole, kidney slot or irregular profiled holes.

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 the geometry inner hole centreline OO' along unit spliced body 100.Certainly, the invention is not limited thereto, respectively Direction positioning can be interchanged.In addition, being also not necessarily limited between any two each other in first direction D1, second direction D2 and third direction D3 Right angle angle is formed, 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.

In conclusion the double-layer structure thermoplastic composite core material of the relatively thick with packing material of the invention can be applied It is especially heavily loaded in the every field more demanding to high-strength light, such as in the increasing various carrier vehicles of load-carrying Electric power transporting coal train or cruising ability are insufficient and need to mitigate the electronic logistic car of car body etc..The present invention also provides one kind as a result, Equipment, the equipment is using thermoplastic composite core material above-mentioned according to the present invention.Specifically, which can be rolling stock, highway Relevant device or device in vehicle, building and wind-powered electricity generation, mining and aerospace field etc. field.

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

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；

By the flat sheets (10) division processing at wide along broadside outbound course (Y) and along the assembly line outbound course (X) it is in band-like multiple core material unit pieces (30), adds wherein at least in the sheet surface of the core material unit piece (30) of part Work, which has, repeats the non-closed solid (104) presented along the assembly line outbound course (X)；

Multiple core material unit pieces (30) are spliced into unit spliced body (100), institute along the broadside outbound course (Y) stacking Stating unit spliced body (100) includes being sequentially distributed along the assembly line outbound course (X) and being spliced by the solid (104) The multiple axial aperture structures formed.

2. 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).

3. the production method of thermoplastic composite core material according to claim 1, wherein held along assembly line outbound course (X) In the flat sheets (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 by multiple core material unit pieces (30) being spliced into unit spliced body (100) along the broadside outbound course (Y) stacking includes:

Each core material unit piece (30) after division processing is overturn into predetermined angle respectively, so that the core material unit after overturning Leaf length direction (L) is kept along the assembly line outbound course (X), core material unit piece width direction (W) and the flat sheets (10) angle (a) is formed between broadside outbound course (Y)；

Each core material unit piece (30) after overturning is collapsed and is laminated along the broadside outbound course (Y) and is spliced into unit Spliceosome (100).

6. the production method of thermoplastic composite core material according to claim 5, wherein each core material unit piece (30) Rotation axis (PP ') along the assembly line outbound course (X).

7. the production method of thermoplastic composite core material according to claim 6, wherein will be each described after division processing It includes: to make the overturning side of two core material unit pieces (30) of arbitrary neighborhood that core material unit piece (30) overturns predetermined angle respectively To opposite；

Wherein, in the first core material unit piece, the second core material unit piece and the third successively arranged along the broadside outbound course (Y) In core material unit piece, the institute of the first core material unit piece of the structure sheaf (A) and side of the second core material unit piece Structure sheaf (A) is stated to be aligned along the broadside outbound course (Y), the functional layer (B) of the second core material unit piece with it is another The functional layer (B) of the third core material unit piece of side is aligned along the broadside outbound course (Y).

8. the production method of thermoplastic composite core material according to claim 6, wherein will be each described after division processing It includes: to make the overturning side of two core material unit pieces (30) of arbitrary neighborhood that core material unit piece (30) overturns predetermined angle respectively To identical；

Wherein, in the first core material unit piece, the second core material unit piece and the third successively arranged along the broadside outbound course (Y) In core material unit piece, the institute of the first core material unit piece of the structure sheaf (A) and side of the second core material unit piece Functional layer (B) is stated to be aligned along the broadside outbound course (Y), the functional layer (B) of the second core material unit piece with it is another The structure sheaf (A) of the third core material unit piece of side is aligned along the broadside outbound course (Y).

9. the production method of thermoplastic composite core material according to claim 8, wherein by multiple core material unit pieces (30) unit spliced body (100) are spliced into along the broadside outbound course (Y) stacking further 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 5, wherein by multiple core material unit pieces (30) being spliced into unit spliced body (100) along the broadside outbound course (Y) stacking includes:

Bonding layer is coated in the contact surface of each core material unit piece (30), and connects adjacent institute by the bonding layer State core material unit piece (30)；Or

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.

11. 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.

12. the production method of thermoplastic composite core material according to claim 11, wherein the thermoplastic polymer is poly- Propylene, polyethylene, polyamide, thermoplastic polyester, polyvinyl chloride, polystyrene, polycarbonate, polyphenylene oxide, thermoplastic elastomer (TPE), One of multi-component copolymer thermoplastic, polymethyl methacrylate, polyphenylene sulfide, 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, 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.

13. the production method of thermoplastic composite core material according to claim 1, wherein the functional layer (B) is fire-retardant Layer, UV-resistant layer, color layers, thermal resistance or heat transfer layer, saturating magnetic or one or more of resistance magnetosphere, antibiotic layer or puigging Function combination layer.

14. the production method of thermoplastic composite core material according to claim 1, wherein the material packet of the functional layer (B) Fire-retardant filler filled polymer, uvioresistant filler filled polymer, paint filler filled polymer, thermal resistance or heat-transfer filler is included to fill out Fill polymer, saturating magnetic or resistance magnetic filler filled polymer, antibacterial filler filled polymer, one in sound insulation filler filled polymer Kind or numerous compositions.

15. the production method of thermoplastic composite core material described according to claim 1~any one of 14, wherein the life Production method further include:

So that in the unit spliced body (100) of spicing forming type, when the flat sheets (10) sheet surface it is vertical Direction is when bearing compressive load direction, and the material volume utilization rate of the unit spliced body (100) is not less than 60%, preferably , material volume utilization rate is not less than 80%；

The core material cross section of the sheet surface for being parallel to the flat sheets (10) in the unit spliced body (100) and/or On, plane voidage is not less than 40%, and further, the plane voidage is not less than 60%.

16. 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)；

Core material unit piece machine-shaping component is used for the flat sheets (10) division processing at along broadside outbound course (Y) It is wide and be in band-like multiple core material unit pieces (30), the wherein at least core of part along the assembly line outbound course (X) It is machined in the sheet surface of material unit piece (30) and repeats the non-closed solid presented along the assembly line outbound course (X) (104)；

Unit spliced body splicing component, for multiple core material unit pieces (30) to be laminated along the broadside outbound course (Y) It is spliced into unit spliced body (100), the unit spliced body (100) includes being sequentially distributed along the assembly line outbound course (X) And the multiple axial aperture structures being spliced to form by the solid (104).

17. the production equipment of thermoplastic composite core material according to claim 16, 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).

18. the production equipment of thermoplastic composite core material according to claim 16, wherein the unit spliced body splicing group Part includes:

Guide-localization component (5), for each core material unit piece (30) after division processing to be overturn predetermined angle respectively, So that the core material unit leaf length direction (L) after overturning keeps along the assembly line outbound course (X), the core material unit Angle (a) is formed between piece width direction (W) and the broadside outbound course (Y) of the flat sheets (10)；

Gather component (7), for collapsing each core material unit piece (30) along the broadside outbound course (Y)；

Melting adhered component (8), for heating each core material unit piece (30) with melting adhered into unit spliced body (100)。

19. the production equipment of thermoplastic composite core material, comprising:

Glue rifle coats bonding layer for the contact surface in each core material unit piece (30)；Unit spliced body splicing component, For multiple core material unit pieces (30) to be spliced into unit spliced body (100), institute along the broadside outbound course (Y) stacking Stating unit spliced body (100) includes being sequentially distributed along the assembly line outbound course (X) and being spliced by the solid (104) The multiple axial aperture structures formed.