CN110216969A

CN110216969A - The production method and production equipment of thermoplasticity core material with multi-layer compound structure

Info

Publication number: CN110216969A
Application number: CN201910390906.1A
Authority: CN
Inventors: 张志成; 梁文斌; 文成玉; 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: 2019-09-10

Abstract

The production method and production equipment of the invention discloses a kind of thermoplasticity core material with multi-layer compound structure, it include: that the flat sheets with multi-layer sheet structure are persistently exported along assembly line conveying direction, wherein multi-layer sheet structure is not less than three layers and including structure sheaf and at least one layer of functional layer or at least one layer of adhesive layer；By sheet material division processing at multiple core material unit pieces, so that sheet length direction is kept along assembly line conveying direction and sheet width direction is kept along broadside conveying direction, the side sheet surface of the wherein at least core material unit piece of part, which is formed with, repeats the geometry high point presented along assembly line conveying direction and other side sheet surface is formed with and repeats the geometry low spot presented along assembly line conveying direction；Multiple core material unit pieces are collapsed along broadside conveying direction and are spliced into thermoplasticity core material to be laminated.The present invention, which low-cost, high-volume can produce, is suitable for harsh to Structural strength calls and the diversified application field of functional requirement thermoplasticity core material.

Description

The production method and production equipment of thermoplasticity core material with multi-layer compound structure

Technical field

The present invention relates to technical field of material formation, and in particular, to a kind of thermoplastic core with multi-layer compound structure The production method and production equipment of material.

Background technique

The existing thermoplasticity sandwich composite material formed by thermoplasticity core material and conventional metal frames material (such as aluminium Alloy, steel etc.) compared to having many advantages, such as better specific strength, bending resistance and with designability, recoverable, therefore It is widely used in the fields such as underloading shipping, Cold Chain Logistics, building template and Air Logistics.

But at present, can the type of thermoplasticity sandwich composite material that uses of mass production it is limited, thermoplastic Property core material mainly has round tube honeycomb core material and semiclosed two class of folded-sheet honeycomb structure core material.Wherein, when producing round tube honeycomb core material, it is By squeezing out the single round tube compared with thick wall, blow molding forms the small light wall pipe of wall thickness, more light wall pipes is superimposed as being put into baking oven after sticking together In, caking is to form honeycomb body structure.Although this core material simple process, production is discontinuous, therefore production efficiency is low And manufacturing cost is high.And for semiclosed folded-sheet honeycomb structure core material, then by passing through plastic uptake etc. in the plane sheets of lasting output Technique generates plastic deformation, to form half honeycomb, and then can mutually be folded into honeycomb body structure along direction initialization.It is this Although core material then produces continuously, more material waste will cause.Especially, when producing and processing both core materials, exist Blow molding or plastic uptake link, therefore can be only formed relatively thin wall thickness, thus can not in core material interstitital texture filler or functional stuffing, Otherwise it is easy to appear broken wall phenomenon, it is unfavorable for guaranteeing the yields of thermoplasticity core material.

In other words, the thermoplasticity core material in existing thermoplasticity sandwich composite material can not further increase structural strength With keep function more diversified, and be difficult under the premise of taking into account processing technology, processing efficiency and processing cost at the same time, mass Produce lightweight, heavy duty, multi-functional thermoplasticity core material, thus can not adaption demand amount and structural strength demand it is increasingly increased Each application field.

Summary of the invention

In view of the above drawbacks of the prior art or insufficient, the present invention provides a kind of thermoplasticity with multi-layer compound structure The production method and production equipment of core material can produce the heat with multi-layer compound structure with inexpensive high-volume and efficiently Plasticity core material is suitable for applying in the every field increasingly harsh to requirements such as structural strength and functional diversities.

To achieve the above object, the producer of the present invention provides a kind of thermoplasticity core material with multi-layer compound structure Method, comprising:

The flat sheets with multi-layer sheet structure are persistently exported along assembly line conveying direction, wherein the multi-layer sheet knot Structure is not less than three layers and including for load bearing structure sheaf and at least one layer of functional layer or at least one layer of adhesive layer；

By the flat sheets division processing at multiple core material unit pieces, so that sheet length direction is kept along the flowing water Line conveying direction and sheet width direction are kept along broadside conveying direction, the wherein at least side of the core material unit piece of part Sheet surface is formed with the geometry high point and other side sheet surface repeatedly presented along the assembly line conveying direction and is formed with edge The assembly line conveying direction repeats the geometry low spot presented；

Multiple core material unit pieces are collapsed along the broadside conveying direction and are spliced into thermoplasticity core material to be laminated.

Optionally, the flat sheets with multi-layer sheet structure are persistently exported along assembly line conveying direction includes:

It is processed in the way of Mo Neire composite molding with the described smooth of multi-layer sheet structure by multiple extrusion dies Sheet material.

Optionally, set the structure sheaf to the middle layer of the flat sheets, the two sides of the flat sheets it is outer Side layer-selective is set as functional layer or adhesive layer；Or

Each flat sheets have the functional layer, the structure sheaf and the adhesive layer of any storied placement；

Wherein, the structure sheaf and the functional layer have compatibility.

Optionally, multiple core material unit pieces are collapsed along the broadside conveying direction and is spliced into the thermoplastic to be laminated Property core material includes:

The core material unit piece of arbitrary neighborhood is connected in a manner of melting adhered.

Optionally, the outer layer of the two sides of the flat sheets is respectively set to the functional layer and the structure sheaf, And the functional layer and the structure sheaf by intermediate adhesive layer connection with antagonism.

Each core material unit piece after division processing is surrounded into the torsion shaft along the assembly line conveying direction respectively Line overturns predetermined angle, so that the reverses direction of two core material unit pieces of arbitrary neighborhood is on the contrary, wherein along described In the first core material unit piece, the second core material unit piece and the third core material unit piece that broadside conveying direction is successively arranged, described The structure sheaf of the first core material unit piece of the structure sheaf and side of two core material unit pieces is conveyed along the broadside Direction alignment, the function of the third core material unit piece of the functional layer and other side of the second core material unit piece Layer is aligned along the broadside conveying direction；

The core material unit piece of arbitrary neighborhood after connecting overturning in a manner of melting adhered.

Each core material unit piece after division processing is surrounded into the torsion shaft along the assembly line conveying direction respectively Line overturns predetermined angle, so that the reverses direction of two core material unit pieces of arbitrary neighborhood is identical；

Wherein, in the first core material unit piece, the second core material unit piece and successively arranged along the broadside conveying direction 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 conveying direction, 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 conveying direction.

Optionally, the production method further include: each core material unit piece contact surface coating bonding layer with It is bonded the adjacent core material unit piece.

Optionally, multiple core material unit pieces are collapsed along the broadside conveying direction and is spliced into the thermoplastic to be laminated Property core material further include:

Before stacking splicing, the adjustment core material unit piece is moved along the assembly line conveying direction, 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 sent to be aligned.

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；

Filler in the thermoplastic polymer of filler filling is wax, talcum powder, carbon black, white carbon black, kaolin, carbonic acid One of calcium, stearic acid, calcium stearate, whisker, titanium dioxide, iron oxide, pigment, fire retardant and antioxidant or in which a variety of Composition；

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 fibre-reinforced thermoplastic resin based composite material In fiber be glass fibre, carbon fiber, basalt fibre, steel wire fibre, polypropylene fibre, polyester fiber, super high molecular weight One of polyethylene fibre, polyimide fiber and flaxen fiber 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.

During gathering, by the geometry high point corresponding between the core material unit piece of arbitrary neighborhood and described several The contraposition of what low spot abuts, thus formed between the adjacent core material unit piece be sequentially distributed along sheet length direction it is multiple Axial aperture structure, the axial aperture structure include axial pass-through holes and the circumferentially closed axis hole peripheral wall around the axial pass-through holes.

Optionally, along the flat sheets that the assembly line conveying direction persistently exports, the piece of the structure sheaf Thickness degree is not less than 0.1mm, and the external diameter of a circle of the axial pass-through holes of arbitrary shape is not less than 1mm；And/or arbitrarily The diameter ratio of the circumscribed circle of the hole axial length and axial pass-through holes of the axial pass-through holes of shape is not more than 200.

Optionally, so that in the thermoplasticity core material of spicing forming type, when the flat sheets sheet surface hang down When histogram is to bear compressive load direction, the material volume utilization rate of the thermoplasticity core material is not less than 60%, it is preferred that material Expect that volume utilization is not less than 80%；

And/or on the core material cross section of the sheet surface for being parallel to the flat sheets in the thermoplasticity core material, put down Face voidage is not less than 40%, and further, the plane voidage is not less than 60%.

In addition, the production equipment of the present invention also provides a kind of thermoplasticity core material with multi-layer compound structure, comprising:

Thermoplastic material molding equipment, for persistently exporting smooth with multi-layer sheet structure along assembly line conveying direction Material, wherein the multi-layer sheet structure is not less than three layers and including for load bearing structure sheaf and at least one layer of functional layer Or at least one layer of adhesive layer；

Core material unit sheetmolding component is used for the flat sheets division processing at multiple sheet material units, so that sheet material Length direction is kept along the assembly line conveying direction and sheet width direction is kept along broadside conveying direction, wherein at least part The core material unit piece side sheet surface be formed with along the assembly line conveying direction repeat present geometry high point and Other side sheet surface, which is formed with, repeats the geometry low spot presented along the assembly line conveying direction；

Thermoplasticity core material splicing component, for collapsing multiple core material unit pieces along the broadside conveying direction with layer It is folded to be spliced into thermoplasticity core material.

Optionally, the thermoplastic material molding equipment includes the upper layer extrusion die being from top to bottom sequentially arranged, middle layer Extrusion die, lower layer's extrusion die and be located at the upper layer extrusion die, the middle layer extrusion die and the lower layer squeeze The hot composite molding section of the molding extrusion of mold out.

Optionally, the thermoplasticity core material splicing component includes:

Guide device is conveyed for surrounding each core material unit piece after division processing respectively along the assembly line The overturning axis in direction overturns predetermined angle；

Polymerization unit, for collapsing each core material unit piece along the broadside conveying direction；

Welder, the core material unit piece for melting adhered arbitrary neighborhood.

In addition, the present invention also provides the production equipments of another thermoplasticity core material with multi-layer compound structure, comprising:

Core material unit sheetmolding component is used for the flat sheets division processing at multiple core material unit pieces, so that piece Material length direction is kept along the assembly line conveying direction and sheet width direction is kept along broadside conveying direction, wherein at least portion The side sheet surface of the core material unit piece divided, which is formed with, repeats the geometry high point presented along the assembly line conveying direction And other side sheet surface is formed with and repeats the geometry low spot presented along the assembly line conveying direction；

Automatic double surface gluer coats bonding layer for the contact surface in each core material unit piece；

In the production method of the thermoplasticity core material with multi-layer compound structure of the invention, such as heat-stabilized wood can be used Expecting the lasting output such as molding equipment has the plastic material of multi-layer sheet structure, and preferably processes flowing water by continuous production Line produces the thermoplasticity core material with honeycomb body structure, and production process produces effect without artificial participation and without interrupting Rate is higher, is suitable for large-scale production, and production process is wasted without any material, advantageously reduces production cost.Further, since raw Production process relieves the limitation to thickest, therefore a variety of reinforcing materials can be filled in core material without plastic uptake or blow molding link Or functional material, to better adapt to requirement of each application field to core material structure intensity and functional diversities.Furthermore it should Equipment needed for production method is relatively conventional, is easy to be applied in combination, and process line is continuous and at low cost, the heat produced The planform of plasticity core material is novel, is substantially distinguished from existing round tube honeycomb core material, semi-hexagon shape folded-sheet honeycomb structure core material etc., just It is easy to universalness and large-scale production and application to substantially reduce production cost in the continuous high-efficient operation for realizing assembly line.And The function that multi-layer compound structure can enrich core material, which allows it to be useful in, some has specific function demand (such as fire-retardant, anti- Corruption etc.) usage scenario in, thus have better versatility to be applied even more extensively to multiple fields.

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 production method stream of the thermoplasticity core material with multi-layer compound structure in a specific embodiment of the invention Journey schematic diagram；

Fig. 2 to Fig. 5 is structural schematic diagram applied to the production equipment in production method shown in FIG. 1, wherein Fig. 2 is Perspective view, Fig. 3 are top view, and Fig. 4 is side view, and Fig. 5 is for more clearly showing that the part of thermoplastic material molding equipment is put Big schematic diagram A-A；

Fig. 6 a is the solid of thermoplasticity core material of one of a specific embodiment of the invention with multi-layer compound structure Figure, axial pass-through holes therein are positive hexagonal honeycomb hole；

Fig. 6 b is the main view of the thermoplasticity core material in Fig. 6 a；

Fig. 6 c is the perspective view of the core material unit piece of the thermoplasticity core material in Fig. 6 a；

Fig. 6 d is a kind of main view of the core material unit piece in Fig. 6 c with multi-layer sheet structure；

Fig. 6 e is the partial enlargement diagram B-B of the core material unit piece in Fig. 6 d, more clearly to show the core material unit The multi-layer sheet structure of piece, wherein structure sheaf is located at the two sides of structure sheaf as middle layer, adhesive layer；

Fig. 6 f is the main view in Fig. 6 c with the core material unit piece of another multi-layer sheet structure；

Fig. 6 g is the partial enlargement diagram C-C of the core material unit piece in Fig. 6 f, more clearly to show the core material unit The multi-layer sheet structure of piece, wherein structure sheaf is located at the two sides of structure sheaf as middle layer, functional layer；

Fig. 6 h is the main view in Fig. 6 c with the core material unit piece of another multi-layer sheet structure；

Fig. 6 i is the partial enlargement diagram D-D of the core material unit piece in Fig. 6 h, more clearly to show the core material unit The multi-layer sheet structure of piece, wherein functional layer, structure sheaf and adhesive layer are cascading；

Fig. 6 j is the main view in Fig. 6 c with the core material unit piece of another multi-layer sheet structure；

Fig. 6 k is the partial enlargement diagram E-E of the core material unit piece in Fig. 6 j, more clearly to show the core material unit The multi-layer sheet structure of piece, wherein structure sheaf, adhesive layer and functional layer are cascading；

Fig. 7 a to Fig. 7 d respectively shows the another kind in a specific embodiment of the invention with multi-layer compound structure The structure of thermoplasticity core material, axial pass-through holes therein are short kidney slot, and the contact surface docked forms plane contact；

Fig. 8 a to Fig. 8 d respectively shows the another kind in a specific embodiment of the invention with multi-layer compound structure The structure of thermoplasticity core material, axial pass-through holes therein are short kidney slot, and the contact surface docked forms cambered surface contact；

Fig. 9 a to Fig. 9 d respectively shows the another kind in a specific embodiment of the invention with multi-layer compound structure The structure of thermoplasticity core material, axial pass-through holes therein are relatively long kidney slot, and the contact surface docked forms plane and connects Touching；

Figure 10 a to Figure 10 d respectively shows the another kind in a specific embodiment of the invention with multi-layer compound structure Thermoplasticity core material structure, axial pass-through holes therein be relatively long kidney slot, and dock contact surface formed cambered surface Contact；

Figure 11 a to Figure 11 d respectively shows the another kind in a specific embodiment of the invention with multi-layer compound structure Thermoplasticity core material structure, axial pass-through holes therein be diamond hole, and dock contact surface formed plane contact；

Figure 12 a to Figure 12 d respectively shows the another kind in a specific embodiment of the invention with multi-layer compound structure Thermoplasticity core material structure, axial pass-through holes therein be diamond hole, and dock contact surface formed nib contacts.

Description of symbols:

100 spliced 101 axial pass-through holes of assembly

102 geometry high point, 103 geometry low spot

104 solid, 105 first geometry inner hole

106 second geometry inner hole, 107 structure sheaf

108 functional layer, 109 adhesive layer

1 thermoplastic material molding equipment, 2 geometry plastication device

4 cutting equipment, 5 guide device

7 polymerization unit, 8 welder

The upper layer 1a extrusion die 1b middle layer extrusion die

1c lower layer extrusion die

The smooth striped cell piece of 10 flat sheets 20

30 core material unit pieces

D1 first direction D2 second direction

D3 third direction Z flowing water line platform vertical direction

X assembly line conveying direction Y broadside conveying direction

A angle W sheet width direction

L sheet length direction OO' geometry inner hole central axes

PP ' overturns axis

Specific embodiment

Specific embodiments of the present invention are described in detail below in conjunction with attached drawing.It should be understood that described herein Specific embodiment be merely to illustrate and explain the present invention, be not intended to restrict the invention.

Below with reference to the accompanying drawings thermoplasticity core material and its production method according to the present invention with multi-layer compound structure is described And production equipment.

As shown in Figures 1 to 5, the producer of the present invention provides a kind of thermoplasticity core material with multi-layer compound structure Method, the following steps worked continuously including assembly line:

S10, the flat sheets 10 with multi-layer sheet structure are persistently exported along assembly line conveying direction X, wherein multilayer tablet Material structure is not less than three layers and including for load bearing structure sheaf 107 and at least one layer of functional layer 108 or at least one layer Adhesive layer 109；

S20, by 10 division processing of flat sheets at multiple core material unit pieces 30 so that sheet length direction L is kept along stream Waterline conveying direction X and sheet width direction W keep along broadside conveying direction Y, wherein at least the core material unit piece 30 of part Side sheet surface is formed with the geometry high point 102 and other side sheet surface repeatedly presented along assembly line conveying direction X and is formed Have and repeats the geometry low spot 103 presented along assembly line conveying direction X；

S30, multiple core material unit pieces 30 are spliced into thermoplasticity core material along broadside conveying direction Y gathering to be laminated.

Aforementioned production method can realize the automatic assembly line continuous production to thermoplasticity core material, and production process is without artificial It participates in or interrupts, production efficiency and versatility can be greatly improved, reduce production cost, it can be achieved that large-scale production.Due to entire Production process can produce the biggish sheet material of wall thickness, without the links such as plastic uptake or blow molding so as to the interstitital texture filler in sheet material Or functional stuffing to be to improve intensity and abundant function, and wastes without any material, to realize that economizing type produces.Further, since With multi-layer compound structure, core material is applicable to some practical matters for having specific function demand (such as fire-retardant, anti-corrosion etc.), leads to High with property, application field is extensive.

Firstly the need of special instruction, in production method of the invention, flat sheets 10 can by thermoplastic material at The outlet of type equipment 1 persistently exports, and can persistently move on horizontal pipelining platform along assembly line conveying direction X Output.Flat sheets 10, the orientation of the different phase of core material unit piece 30 in process and mutual for ease of understanding Position relation defines absolute coordinate system and relative coordinate system herein.Wherein, flat sheets 10 are steadily exported and will not be overturn, Therefore assembly line conveying direction X, broadside conveying direction Y, that is, flat sheets 10 length direction and width direction.Accordingly it is contemplated that Absolute coordinate system is defined with the start position of the molding outlet of thermoplastic material molding equipment 1 or pipelining platform, is absolutely sat Mark system includes assembly line conveying direction X, broadside conveying direction Y and flowing water line platform vertical direction Z, and origin position is arranged in thermoplastic The molding outlet of material molding equipment 1 or the start position of pipelining platform, assembly line conveying direction X, broadside conveying side Limit the levelling bench surface of pipelining platform jointly to Y or from the flat sheets 10 for molding mouthful horizontal output Sheet surface.Meanwhile referring to Figure 2 to Figure 4, dynamic coordinate system, the i.e. piece of core material unit piece 30 are defined for core material unit piece 30 Material width direction W (i.e. third direction D3 in Fig. 6 a) and sheet length direction L (i.e. the first direction D1 of Fig. 6 a), can be clear bright Ground shows the positional relationship before and after the steering of core material unit piece 30 in process.

In addition, in the multi-layer sheet structure of core material unit piece 30, the uniformity that is connected between two layers of arbitrary neighborhood and Consistency will have a direct impact on the intensity of core material unit piece 30, therefore should be avoided and form connection crack between the layers, otherwise can The load-carrying ability of core material unit piece 30 is set to have a greatly reduced quality, to be difficult to ensure the reliability of thermoplasticity core material.Therefore, lasting output Flat sheets 10 multi-layer sheet structure in two layers of arbitrary neighborhood be preferably set to compatibility, and can be for example, by Thermoplastic material molding equipment etc. carries out hot composite molding, to obtain the uniformity and the high multi-layer sheet structure of consistency.It needs It further remarks additionally, in the present invention, compatibility refers to that two layers of arbitrary neighborhood in multi-layer sheet structure can add It is melting adhered and solid-state can be restored when being lower than the specific temperature and keep stable adhesion when more than heat to specific temperature, In, it is melting adhered to can be two layers and be in molten condition, can also with one layer of holding solid-state another layer (this in a molten state When two layers of the fusing point it is different).In addition, opposed with compatibility is antagonism between layers, i.e., between layers not It can be mutually bonded by the way that specified conditions are arranged, or can only be mutually bonded and cannot be protected after restoring solid-state under given conditions Hold stable adhesion.Therefore, it can only be bonded, be glued by adhesive layer 109 between two layers with antagonism in multi-layer sheet structure Knot layer 109 has viscosity in itself, can be compact, uniform bonding with structure sheaf 107 and functional layer 108, thus is without it is limited It is no that there is compatibility.

Therefore, step S10 can include:

The flat sheets with multi-layer sheet structure are processed in the way of Mo Neire composite molding by multiple extrusion dies 10。

Wherein, extrusion, calendering, curtain coating or roll-in processing etc. can be used in the output processing method of flat sheets 10.Due to this The production method of invention can produce the biggish flat sheets 10 of wall thickness and be filled out with interstitital texture without the links such as plastic uptake or blow molding Material or functional stuffing, to improve intensity and abundant function.And 107 thickness of structure sheaf in flat sheets 10 directly determines that it is strong Spend size.It therefore, can be by the lamellar spacing of structure sheaf 107 along the flat sheets 10 that assembly line conveying direction X is persistently exported It is preferably arranged to not less than 0.1mm.

In addition, having compatibility, layer and layer between two layers of the arbitrary neighborhood of the multi-layer sheet structure in flat sheets 10 Between there is no connection crack.Due in subsequent step S30, in the tool for determining the adjacent stacking splicing of core material unit piece 30 It needs when body connection type in view of consistency problem between layers, therefore for the ease of illustrating subsequent technique, this Invention is by taking lasting output has the flat sheets 10 of three-layer tablet material structure as an example, but production method of the invention is without being limited thereto, It is i.e. also sustainable to export the flat sheets 10 with three layers or more sheet structures.

Step S10 is returned to, in the flat sheets 10 of lasting output, middle layer and two sides can be set by structure sheaf 107 Outside layer-selective be set as functional layer 108 or adhesive layer 109.Alternatively, settable can be with any order storied placement Functional layer 108, structure sheaf 107 and adhesive layer 109, structure sheaf 107 and functional layer 108 have compatibility at this time.Or it will put down The outer layer of the two sides of full wafer material 10 is respectively set to functional layer 108 and structure sheaf 107, and is connected by intermediate adhesive layer 109 Connect functional layer 108 and structure sheaf 107 with antagonism.

In one embodiment, when 108 He of functional layer that the outer layer of the two sides of core material unit piece 30 is mutually tool antagonism Structure sheaf 107 and when being connected by intermediate adhesive layer 109, optionally, step S30 may include sub-step:

S301, by each core material unit piece 30 after division processing respectively around along assembly line conveying direction X torsion shaft Line PP ' overturns predetermined angle, so that the reverses direction of two core material unit pieces 30 of arbitrary neighborhood is on the contrary, wherein along broadside In the first core material unit piece, the second core material unit piece and the third core material unit piece that conveying direction Y successively arranges, the second core material list The structure sheaf 107 of first piece is aligned with the structure sheaf 107 of the first core material unit piece of side along broadside conveying direction Y, the second core material The functional layer 108 of unit piece is aligned with the functional layer 108 of the third core material unit piece of the other side along broadside conveying direction Y；

S302, the core material unit piece 30 that the arbitrary neighborhood after overturning is connected in a manner of melting adhered.

Although it can be seen that the mutual tool antagonism of functional layer 108 and structure sheaf 107, due to same type of layer and layer it Between mutually have compatibility (i.e. structure sheaf 107 is to structure sheaf 107, functional layer 108 to functional layer 108), as long as therefore making arbitrary neighborhood The reverses directions of two core material unit pieces 30 connected on the contrary, melting adhered mode still can be used.Certainly, step S302 can also be replaced It is changed to and bonding layer is coated by the contact surface in each core material unit piece 30 or uses other modes to connect arbitrary neighborhood Core material unit piece 30.

In one embodiment, when 108 He of functional layer that the outer layer of the two sides of core material unit piece 30 is mutually tool antagonism Structure sheaf 107 and when being connected by intermediate adhesive layer 109, optionally, step S30 may also include sub-step:

S301 ', by each core material unit piece 30 after division processing respectively around along assembly line conveying direction X torsion shaft Line PP ' overturns predetermined angle, so that the reverses direction of two core material unit pieces 30 of arbitrary neighborhood is identical；Wherein, along width In the first core material unit piece, the second core material unit piece and the third core material unit piece that side conveying direction Y successively arranges, the second core material The structure sheaf 107 of unit piece is aligned with the functional layer 108 of the first core material unit piece of side along broadside conveying direction Y, the second core The functional layer 108 of material unit piece is aligned with the structure sheaf 107 of the third core material unit piece of the other side along broadside conveying direction Y.

The S301 ' in step, due to mutually having antagonism (i.e. between the contact layer of the adjacent core material unit piece 30 after overturning Structure sheaf 107 is to functional layer 108), it is subsequent to be connected using melting adhered mode, it can only be by each core material unit piece 30 Contact surface coating bonding layer or use other modes to connect the core material unit piece 30 of arbitrary neighborhood.

Due to geometry high point 102 and geometry low spot when the reverses direction of two core material unit pieces 30 of arbitrary neighborhood is identical 103 can not be aligned along broadside conveying direction Y, will affect the subsequent stacking to each core material unit piece 30 and splice.Therefore further Ground, step S30 may also include sub-step:

Before stacking splicing, adjustment core material unit piece 30 is moved along assembly line conveying direction X, so that the two of arbitrary neighborhood In a core material unit piece 30, the geometry high point 102 of one is aligned with the geometry low spot 103 of another one along broadside conveying direction Y.

In some embodiments, when the outside layer-selective that the structure sheaf 107 in core material unit piece 30 is middle layer, two sides It is set as functional layer 108 or adhesive layer 109, and when structure sheaf 107 and functional layer 108 have compatibility, or works as core material unit Piece 30 has with the functional layer 108 of any order storied placement, structure sheaf 107 and adhesive layer 109, and structure sheaf 107 and function When layer 108 has compatibility, optionally, step S30 may include sub-step:

S301 ", by each core material unit piece 30 after division processing respectively around along assembly line conveying direction X torsion shaft Line PP ' overturns predetermined angle.

At this point, the specific reverses direction regardless of each core material unit piece 30, is laminated the adjacent core material unit of splicing Piece 30 can be connected by melting adhered mode.Similarly, it can also be coated by the contact surface in each core material unit piece 30 Bonding layer uses other modes to connect the core material unit piece 30 of arbitrary neighborhood.

Specifically, the melting adhered mode in above-described embodiment includes hot melt splicing, ultrasound splicing or infrared mosaic etc..

It should be noted that the sheet length direction L of each core material unit piece 30 after overturning keeps conveying along assembly line Direction X forms angle a, folder between the sheet width direction W of core material unit piece 30 and the broadside conveying direction Y of flat sheets 10 The value range of angle a can be between 20 °~160 °.

Optionally, in addition, step S30 may include sub-step:

During gathering, by geometry high point 102 corresponding between the core material unit piece 30 of arbitrary neighborhood and geometry low spot 103 contrapositions abut, to form the multiple axis holes being sequentially distributed along sheet length direction L between adjacent core material unit piece 30 Structure, axial aperture structure include axial pass-through holes 101 and the circumferentially closed axis hole peripheral wall around axial pass-through holes 101.

Wherein, when angle a is 90 °, collapse what multiple core material unit pieces 30 were spliced into stacking along broadside conveying direction Y The axial pass-through holes 101 of thermoplasticity core material are vertical hole, and centerline hole is perpendicular to the sheet surface of flat sheets 10, i.e. edge stream Waterline platform vertical direction Z.If angle a non-90 degree, axial pass-through holes 101 are in inclined hole shape.

Different with the sequencing of processing according to segmentation, step S20 may include sub-step:

S201, the flat sheets 10 are cut along the assembly line conveying direction X and are divided into along the flat sheets 10 The wide multiple smooth striped cell pieces 20 of broadside conveying direction Y；

S202, it processes in the side sheet surface of at least part of smooth striped cell piece 20 along assembly line conveying direction It is low that the geometry high point 102 and other side sheet surface that X repetition is presented process the geometry for repeating presentation along assembly line conveying direction X Point 103, so that being formed along assembly line conveying direction X is in band-like multiple core material unit pieces 30；

Wherein, in sub-step S202, it is machined with the smooth striped cell piece 20 of geometry high point 102 and geometry low spot 103 Be formed as geometric units piece, the smooth striped cell piece 20 of undressed geometry high point 102 and geometry low spot 103 is formed as smooth list First piece.It is geometry list by the core material unit piece 30 of sub-step S202 machine-shaping in Fig. 2 into embodiment shown in Fig. 4 First piece, the sheet length direction L of core material unit piece 30 is along assembly line conveying direction X and sheet width direction W is along broadside conveying side To Y.

Optionally, step S20 may also comprise sub-step:

S201 ', at least partly sheet surface in the side of flat sheets 10 are processed to be repeated along assembly line conveying direction X The geometry high point 102 of presentation and at least partly sheet surface of the other side, which are processed, repeats presentation along assembly line conveying direction X Geometry low spot 103；

S202 ', the flat sheets 10 after the wide cutting processing of broadside conveying direction Y, to be formed along assembly line conveying side It is in multiple core material unit pieces 30 of band-like extension to X.

As shown in Figure 2 and Figure 4, for processing the periphery of the geometry plastication device 2 of geometry high point 102 and geometry low spot 103 Portion is formed with to be extended continuously and convex seamed edge pressure contact portion along broadside conveying direction Y, so as in the whole of flat sheets 10 Geometry high point 102 and geometry low spot 103 are processed in a sheet surface, and multiple band-like geometry lists are then formed after wide cutting First piece.If desired form smoothing unit piece, then it can be by the seamed edge pressure contact portion of geometry plastication device 2 along the non-company of broadside conveying direction Y Continuous setting, such as section gap setting.

Optionally, the material of structure sheaf 107 may include thermoplastic polymer, the fiber of thermoplastic polymer, filler filling The thermoplastic resin based composite material and/or plastic deformation paper of enhancing, steel plastic compount object etc..As an example, thermoplastic poly Close object can for polypropylene, polyethylene, polyamide, thermoplastic polyester, polyvinyl chloride, polystyrene, polycarbonate, polyphenylene oxide, Thermoplastic elastomer (TPE), multi-component copolymer thermoplastic, polymethyl methacrylate, polyphenylene sulfide, polyether-ether-ketone and polyimides One of or in which a variety of blends.Filler filling thermoplastic polymer in, filler can for organic matter, inorganic matter, Or both have, specifically, filler can be wax, talcum powder, carbon black, white carbon black, kaolin, calcium carbonate, stearic acid, tristearin One of sour calcium, whisker, titanium dioxide, iron oxide, pigment, fire retardant and antioxidant or in which a variety of compositions.Fiber Fiber in the thermoplastic resin based composite material of enhancing can be fine for organic fiber, inorfil, metallic fiber, macromolecule One of dimension, plant fiber are a variety of.Alternatively, the fiber in fibre-reinforced thermoplastic resin based composite material can be glass Glass fiber, basalt fibre, steel wire fibre, polypropylene fibre, polyester fiber, ultra high molecular weight polyethylene fiber, gathers carbon fiber One of imide fiber and flaxen fiber or many of composition.

Functional layer 108 in core material unit piece 30 can be flame-retardant layer, UV-resistant layer, color layers, thermal resistance or heat transfer layer, thoroughly One or more of magnetic or resistance magnetosphere, antibiotic layer or puigging function combination layer, for example, it may be enhanced filling material Material and/or function packing material, wherein enhanced packing material can significantly increase core material intensity, function packing material can be resistance Combustible material, anti-corrosion material, acoustic material etc., correspondingly to realize the specific functions such as fire-retardant, anti-corrosion, sound insulation, so that core material be made to have There is higher versatility to be suitable for specific usage scenario.Specifically, the material of functional layer 108 may include fire-retardant filler filling Polymer, uvioresistant filler filled polymer, paint filler filled polymer, thermal resistance or heat-transfer filler filled polymer, saturating magnetic Or one or more of resistance magnetic filler filled polymer, antibacterial filler filled polymer, sound insulation filler filled polymer group Close object.

In addition, in the core material unit piece 30 obtained after exporting flat sheets 10 and processing, it should be noted that so that combination forming Core material unit piece 30 afterwards meets special parameter requirement, reaches required lightweight heavy duty function.For example, making in spicing forming type In thermoplasticity core material, when the vertical direction of the sheet surface of flat sheets 10 is to bear compressive load direction, thermoplasticity core material Material volume utilization rate be not less than 60%, it is preferred that material volume utilization rate be not less than 80%；And/or in thermoplasticity core material The sheet surface for being parallel to flat sheets 10 core material cross section on, plane voidage be not less than 40%, further, plane Voidage is not less than 60%.

Corresponding to the production method of the thermoplasticity core material with multi-layer compound structure of the invention, one kind is further correspondingly provided The production equipment of thermoplasticity core material with multi-layer compound structure, as shown in Figures 2 to 5, which includes:

Thermoplastic material molding equipment 1, it is smooth with multi-layer sheet structure for persistently being exported along assembly line conveying direction X Sheet material 10, wherein multi-layer sheet structure is not less than three layers and including for load bearing structure sheaf 107 and at least one layer of function Ergosphere 108 or at least one layer of adhesive layer 109；

Core material unit sheetmolding component is used for 10 division processing of flat sheets at multiple core material unit pieces 30, so that piece Material length direction L is kept along assembly line conveying direction X and sheet width direction W is kept along broadside conveying direction Y, wherein at least portion Point core material unit piece 30 side sheet surface be formed with along assembly line conveying direction X repeat present geometry high point 102 and Other side sheet surface, which is formed with, repeats the geometry low spot 103 presented along assembly line conveying direction X；

Thermoplasticity core material splicing component, for collapsing multiple core material unit pieces 30 along broadside conveying direction Y to be laminated and spell It is connected into thermoplasticity core material.

Wherein, in one embodiment, thermoplastic material molding equipment 1 includes the upper layer extrusion die being from top to bottom sequentially arranged Have 1a, middle layer extrusion die 1b, lower layer extrusion die 1c and be located at upper layer extrusion die 1a, middle layer extrusion die 1b and The hot composite molding section of the molding extrusion of lower layer extrusion die 1c.In Mo Neire composite molding, for example, 107 He of structure sheaf Functional layer 108 is squeezed out from upper layer extrusion die 1a and lower layer extrusion die 1c respectively, and adhesive layer 109 is from middle layer extrusion die 1b Squeeze out, in hot composite molding section, adhesive layer 109 in a heated state it is melting adhered up and down two sides structure sheaf 107 and function Layer 108, to be shaped to the flat sheets 10 with three-layer tablet material structure and persistently be exported along assembly line conveying direction X.

Optionally, thermoplasticity core material splicing component can include:

Guide device 5, for surrounding each core material unit piece 30 after division processing along assembly line conveying direction X respectively Overturning axis PP ' overturn predetermined angle；

Polymerization unit 7, for collapsing each core material unit piece 30 along broadside conveying direction Y；

Welder 8, the core material unit piece 30 for melting adhered arbitrary neighborhood.

Wherein, polymerization unit 7 can be separately provided, and can also be reached by frame modes such as gradually narrowed guiding cheekns from two The purpose that lateral center is collapsed.

Further, core material unit sheetmolding component can include:

Cutting equipment 4, for cutting flat sheets 10 along assembly line conveying direction X and being divided into the width along flat sheets 10 Side conveying direction Y wide multiple smooth striped cell pieces 20；

Geometry plastication device 2, for processing edge in the side sheet surface of at least part of smooth striped cell piece 20 Assembly line conveying direction X repeats the geometry high point 102 presented and other side sheet surface is processed along assembly line conveying direction X weight The geometry low spot 103 presented again is in band-like multiple core material unit pieces 30 along assembly line conveying direction X to be formed.

Optionally, cutting equipment 4 and 2 position of geometry plastication device can also be exchanged, i.e., first processes and cut again, therefore core material Unit sheetmolding component may also comprise:

Geometry plastication device 2 is processed for at least partly sheet surface in the side of flat sheets 10 along assembly line Conveying direction X repeats the geometry high point 102 presented and at least partly sheet surface of the other side is processed along assembly line conveying side The geometry low spot 103 presented is repeated to X；

Cutting equipment 4, for cutting flat sheets 10 along assembly line conveying direction X and being divided into the width along flat sheets 10 Side conveying direction Y wide multiple core material unit pieces 30.

To realize pipeline system continuous production, in Fig. 2 into embodiment shown in Fig. 4, thermoplastic material molding equipment 1 is cut Equipment 4, geometry plastication device 2, guide device 5, polymerization unit 7 and welder 8 are cut along assembly line conveying direction X successively cloth It sets.Certainly, cutting equipment 4 and the position of geometry plastication device 2 are also interchangeable.Wherein, solid molding assembly 2 uses pressure roller The overturning axis of component, the press roll component of diagram is formed with edge along the broadside conveying direction Y and roll body peripheral wall of flat sheets 10 The seamed edge pressure contact portion of circumferentially spaced convex.Extrusion die is used in flat sheets 10 of the Fig. 2 into embodiment shown in Fig. 4 The alternative such as cast sheet, sheet material calendering, sheet material roll-in can also be used in the sheet material extrusion way of tool certainly.Geometry is high The roll-type mold that the processing method of point 102 and geometry low spot 103 uses press roll component squeezes, and plate mold can also be used certainly Extruding or the extruding of chain type mold etc., to achieve the purpose that processing and moulding geometry high point 102 and geometry low spot 103.Guide device 5 Using the form of guiding cabinet, but the mode of such as guide roller can also be used.Likewise, welder 8 is using heater box Mode, but ultrasonic bond, infrared heating etc. mode can also be used, so that corresponding function device can be selected.

Corresponding to the production method of the thermoplasticity core material with multi-layer compound structure of the invention, further correspondingly provide another Kind has the production equipment of the thermoplasticity core material of multi-layer compound structure, which includes:

Automatic double surface gluer coats bonding layer for the contact surface in each core material unit piece 30；

Optionally, thermoplasticity core material splicing component can include:

Polymerization unit 7, for collapsing each core material unit piece 30 along broadside conveying direction Y.

Further, core material unit sheetmolding component can include:

Likewise, thermoplastic material molding equipment 1, cutting equipment 4, geometry plastotype are set to realize pipeline system continuous production Standby 2, automatic double surface gluer, guide device 5 and polymerization unit 7 are sequentially arranged along assembly line conveying direction X.Certainly, cutting equipment 4 with The position of geometry plastication device 2 is also interchangeable.

As shown in Fig. 6 a to Figure 12 d, the present invention provides what one kind can be produced by aforementioned production method to have multilayer The thermoplasticity core material of composite construction, which includes along first direction D1 extension and splicing is laminated in D2 in a second direction Multiple core material unit pieces 30.Wherein, the side sheet surface of at least part of core material unit piece 30 is formed with along sheet length side It is formed with to the geometry high point 102 and other side sheet surface for repeating to present and repeats the geometry low spot presented along sheet length direction 103, the geometry high point 102 and geometry low spot 103 abutted between adjacent core material unit piece 30 by contraposition is formed along first Multiple axial aperture structures that direction D1 is sequentially distributed, axial aperture structure include the axial pass-through holes 101 axially along third direction D3 and enclose Around the circumferentially closed axis hole peripheral wall of axial pass-through holes 101.In addition, referring to Fig. 6 e, Fig. 6 g, Fig. 6 i, Fig. 6 k, core material unit piece 30 For the multi-layer sheet structure not less than three layers, multi-layer sheet structure includes being used for load bearing structure sheaf 107 and at least one One functional layer 108 or at least one layer of adhesive layer 109.When the material of adjacent two layers is identical, it is considered as same layer.

When the number of the core material unit piece 30 in thermoplasticity core material is no less than three, thermoplasticity core material is included at least along the Two direction D2 stack gradually the first core material unit piece, the second core material unit piece and third core material unit piece of splicing.Usual situation Under, each core material unit piece 30 is formed by the same sheet material division processing with multi-layer sheet structure, therefore each core material list First piece 30 has consistent layered structure.Certainly, each core material unit piece 30 can also be by the different pieces with multi-layer sheet structure Material division processing forms, and the layered structure of each core material unit piece 30 may not be completely the same at this time.On the other hand, core material unit piece 30 multi-layer sheet structure can be three layers or three layers or more, however, the specific number of plies how, adjacent core material unit piece 30 it Between connection type only need depending on whether mutually having compatibility according to the outermost layer being mutually butted.In other words, when adjacent core material list When outermost layer between first piece 30 for being mutually butted mutually has compatibility, melting adhered, gluing or other modes connection can be used, It, then can not be viscous using melting but when the outermost layer between adjacent core material unit piece 30 for being mutually butted mutually has antagonism It connects, and can only be connected using gluing or other modes.

Based on above-mentioned, below only to be formed by same sheet material division processing and the core material unit piece with three-layer tablet material structure For 30, elaborate respectively to the connection type between the adjacent core material unit piece 30 under different layered structures.Its In, exemplary illustration is only made with the embodiment of Fig. 6 a to Fig. 6 k, the embodiment or and the embodiment not shown shown of other diagrams It can refer to the design philosophy in the explanation and select the specific connection type between adjacent core material unit piece 30.

In some embodiments, the second core material unit piece respectively with the first core material unit piece and third core material unit piece shape At hot composite joint, i.e. two layers to contact with each other and the second core material unit of the second core material unit piece and the first core material unit piece Two layers to contact with each other of piece and third core material unit piece all has compatibility.

Wherein, in the embodiment shown in Fig. 6 e, core material unit piece 30 be three-layer tablet material structure and including stacking gradually and By the first adhesive layer, intermediate structure layer and the second adhesive layer of hot composite joint, therefore the second core material unit piece can pass through Positioned at outside adhesive layer 109 respectively with the adhesive layer 109 in the outside of the first core material unit piece and third core material unit piece The adhesive layer 109 in outside is mutually bonded.

In the embodiment shown in Fig. 6 g, core material unit piece 30 is for three-layer tablet material structure and including stacking gradually and passing through heat The first functional layer, intermediate structure layer and the second functional layer of composite joint, wherein intermediate structure layer, the first functional layer and second Functional layer mutually has compatibility, and the function that the first functional layer and the second functional layer are realized both may be the same or different, therefore second Core material unit piece can by be located at outside functional layer 108 respectively with the functional layer 108 in the outside of the first core material unit piece with And the functional layer 108 in the outside of third core material unit piece is melting adhered when being heated to specific temperature or more and restore after the cooling period Solid-state is to maintain to be stably connected with.

In the embodiment shown in Fig. 6 i, core material unit piece 30 is for three-layer tablet material structure and including mutually having compatibility and passing through Functional layer 108, structure sheaf 107 and the adhesive layer 109 of hot composite joint, under such configuration can be with any order stacked arrangement function Ergosphere 108, structure sheaf 107 and adhesive layer 109, are not limited solely to the arrangement mode of illustrated embodiment, can make the second core material list First piece forms hot composite joint with the first core material unit piece and third core material unit piece respectively.

It, can only be by adhesive layer when functional layer 108 and structure sheaf 107 have antagonism in the embodiment shown in Fig. 6 k 109 are set as middle layer, otherwise are difficult to be stably connected between functional layer 108 and structure sheaf 107, in other words, core material unit piece 30 Including the structure sheaf 107, adhesive layer 109 and functional layer 108 stacked gradually.To guarantee that the second core material unit piece can be respectively with the One core material unit piece and third core material unit piece form hot composite joint, can only be by the structure sheaf 107 of the second core material unit piece It is connect with the structure sheaf 107 of the first core material unit piece of side, and by the functional layer 108 of the second core material unit piece and the other side Third core material unit piece functional layer 108 connect.Otherwise, when the structure sheaf 107 of the second core material unit piece and the first of side The functional layer 108 of core material unit piece abuts the third core material list of connected and the second core material unit piece functional layer 108 and the other side It, can only be by structure sheaf since structure sheaf 107 and functional layer 108 have antagonism when the structure sheaf 107 of first piece abuts connected Gluing or by other means to guarantee being stably connected between core material unit piece 30 between 107 and functional layer 108.

In the present invention, core material unit piece 30 can be by directly squeezing by flat sheets compression moulding and segmentation or by segmentation Extrude geometry profile and obtain, and need not using blow molding or plastic uptake technique, therefore without wall thickness in terms of technique limitation.To improve core The load-carrying ability of material, the lamellar spacing of the structure sheaf 107 in core material unit piece 30 should be preferably arranged to not less than 0.1mm, and be managed By the maximum value of the above lamellar spacing, there is no restriction, but in order to guarantee core material lighting, the thickness of structure sheaf 107 should not be also arranged Excessive, specific value need to depend on depending on actual use scene.

In addition, the external diameter of a circle of the axial pass-through holes 101 of arbitrary shape can be preferably arranged to be not less than 1mm；With/ Or, can be preferred by the hole axial length of the axial pass-through holes 101 of arbitrary shape and the diameter ratio of the circumscribed circle of the axial pass-through holes 101 It is set as no more than 200, so that core material obtains more preferably heavily loaded lightening effect.

At least have in the thermoplasticity core material there are three core material unit piece 30 in of the invention, the geometry of the second core material unit piece High point 102 is abutted with the geometry low spot 103 of the first core material unit piece of side to be connected, and the geometry low spot of the second core material unit piece 103 abutted with the geometry high point 102 of the third core material unit piece of the other side be connected.Wherein, geometry high point 102 and geometry low spot 103 can be face or line, to make to constitute face contact or line contact between adjacent core material unit piece 30.For example, adjacent In core material unit piece 30, abut can be formed between connected geometry high point 102 and geometry low spot 103 cambered surface contact, nib contacts, Plane contact or other types contact (such as irregular face contact).

Referring to each embodiment shown in the drawings, thermoplasticity core material is formed as in shape in spliced group of honeycomb shaped Zoarium 100.The sheet surface of at least part of core material unit piece 30 be formed be sequentially distributed along first direction D1 it is non-closed Solid 104, the non-closed solid 104 are defined as being formed in the sheet surface of core material unit piece 30 and in a second direction D2 The geometry lug boss of protuberance is formed in geometry lug boss and penetrates through axially along third direction D3 and in sheet surface in non-closed shape Geometry inner hole.Solid 104 can be formed in the compression moulding structure of sheet surface, and geometry inner hole is then to be pressed at this time Type hole, geometry inner hole are formed as non-closed hole in sheet surface.Wherein, geometry lug boss includes successively replacing along first direction D1 Arrangement and the first geometry lug boss and the second geometry lug boss of protrusion direction on the contrary.First geometry lug boss and the second geometry are convex The planform in the portion of rising can be identical, can also be different.When being formed with adjacent two in the same side sheet surface of core material unit piece 30 When a first geometry lug boss, other side sheet surface is correspondingly formed between this two the first geometry lug bosses Two geometry lug bosses, and the minimum point of the first geometry lug boss is limited as geometry low spot 103 and the second geometry in sheet surface The highest point of lug boss is geometry high point 102, i.e., geometry high point 102 and geometry low spot 103 are successively alternately arranged along first direction D1 Cloth.The type of geometry inner hole includes the first geometry inner hole 105 being formed in the first geometry lug boss and is formed in the second geometry The second geometry inner hole 106 in lug boss.

In adjacent core material unit piece 30, axial aperture structure can pass through at least one first geometry lug boss and at least one Second geometry lug boss is spliced, at this time axial pass-through holes 101 by least one first geometry inner hole 105 and at least one the The splicing of two geometry inner holes 106 is closed.Alternatively, axial aperture structure can pass through at least one the first geometry lug boss and smooth core Material unit piece 30 is spliced, undressed solid 104, therefore sheet material table out in the sheet surface of smooth core material unit piece 30 Face is flat, and axial pass-through holes 101 are spliced by least one first geometry inner hole 105 and smooth core material unit piece 30 at this time It is closed.Or axial aperture structure can be spliced by least one second geometry lug boss and smooth core material unit piece 30 Form, at this time axial pass-through holes 101 by least one second geometry inner hole 106 and smooth core material unit piece 30 splicing closure and At.

It should be noted that the shape and structure of multiple solids 104 on the same sheet material unit 32 can it is identical, can It is different, can be not exactly the same, and the solid 104 formed on multiple core material unit pieces 30 of spliced assembly 100 can It is identical, it can also be different.In each embodiment shown in the drawings, each core material unit piece 30 of spliced assembly 100 is constituted On all solids 104 planform it is all the same.

In each embodiment shown in the drawings, the first geometry lug boss on core material unit piece 30 is considered as from core material The downwardly projecting molding in sheet material top surface of unit piece 30, to be correspondingly formed with the second geometry protruding upward on sheet material bottom surface Lug boss, and the bulge-structure shape of the first geometry lug boss and the second geometry lug boss is identical, thus the shape on sheet material top surface It is formed at the first geometry inner hole 105 of the upward opening shape in non-close and on sheet material bottom surface in the downwardly open of non-close Second geometry inner hole 106 of shape.In two core material unit pieces 30 of arbitrary neighborhood, the first geometry of the first core material unit on piece D2's first geometry lug boss of lug boss and the second core material unit on piece is staggered in a second direction, so that the first core material unit piece On multiple first geometry lug bosses and the second core material unit on piece multiple second geometry lug bosses along first direction D1 one by one It accordingly abuts and is connected, also allow for the multiple geometry low spots 103 and the second core material unit on piece of the first core material unit on piece Multiple geometry high points 102 abut correspondingly along first direction D1 to be connected.In this way, each axis in spliced assembly 100 Pore structure is spliced by a first geometry lug boss and a second geometry lug boss, and each axial pass-through holes 101 are It is closed by a first geometry inner hole 105 and the second geometry inner hole 106 splicing.

It should be noted that when multiple 30 D2 stacked arrangements in a second direction of core material unit piece, adjacent core material unit Placement position of the piece 30 before stacking splicing can be identical, if can also on the contrary, can be spliced into along first direction D1 according to The spliced assembly 100 of the axial aperture structure of secondary distribution.When the shape and structure of each solid 104 of core material unit piece 30 It is identical and when being equidistantly spaced from, if the placing direction of two adjacent core material unit pieces 30 is identical, it is also necessary to appropriate mobile adjustment Aligned position along first direction D1 can just be spliced into spliced assembly 100.

In addition, spliced assembly 100 can be set to rectangular shape, first direction D1 it is vertical with second direction D2 and Two side length directions of respectively spliced assembly 100, sheet surface of the second direction D2 perpendicular to core material unit piece 30, axis Thickness direction to through hole 101 along spliced assembly 100 penetrates through, i.e., geometry inner hole central axes OO' is along spliced assembly 100 thickness direction.Each first direction D1 shown in the drawings is the length direction of spliced assembly 100, second direction D2 For the width direction of spliced assembly 100, third direction D3 is the thickness direction of spliced assembly 100, but all directions are fixed Position can be interchanged, and the invention is not limited thereto.In addition, in first direction D1, second direction D2 and third direction D3 each other two-by-two it Between be also not necessarily limited to be formed right angle angle, such as third direction D3 and first direction D1 or second direction D2 can form acute angle, I.e. geometry inner hole is the angling hole relative to the core material cross section defined first direction D1 and second direction D2.

In each embodiment shown in the drawings, axial pass-through holes 101 can in regular hexagon shape, kidney-shaped shape, diamond shaped or Irregular other shaped.

As shown in figures 6 a and 6b, the axial pass-through holes 101 of spliced assembly 100 are hexagonal hole.Such as Fig. 7 a and Shown in Fig. 7 b, the axial pass-through holes 101 of spliced assembly 100 are relatively short kidney slot or slotted eye, runway hole etc. Deng hereinafter referred to as kidney slot is formed between the geometry high point 102 docked at this time and geometry low spot 103 along the flat of first direction D1 Face contact.As figures 8 a and 8 b show, the axial pass-through holes 101 of spliced assembly 100 are also relatively short kidney slot, but with It forms cambered surface unlike a upper embodiment, between the geometry high point 102 docked at this time and geometry low spot 103 to contact, usual feelings Under condition, the area of the faying face of cambered surface contact is less than the area of the faying face of plane contact.As shown in figures 9 a and 9b, spliced The axial pass-through holes 101 of assembly 100 are relative to shown in Fig. 7 a and Fig. 7 b and in embodiment shown in Fig. 8 a and Fig. 8 b The longer kidney slot of axial pass-through holes 101 is formed between the geometry high point 102 docked at this time and geometry low spot 103 along first party To the plane contact of D1.As as-shown-in figures 10 a and 10b, the axial pass-through holes 101 of spliced assembly 100 are similarly opposite Long kidney slot, but unlike a upper embodiment, arc is formed between the geometry high point 102 docked at this time and geometry low spot 103 Face contact, it is generally the case that the area of the faying face of cambered surface contact is less than the area of the faying face of plane contact.Such as Figure 11 a and Shown in Figure 11 b, the axial pass-through holes 101 of spliced assembly 100 are the diamond hole on four sides, and the geometry high point 102 docked with The plane contact along first direction D1 is formed between geometry low spot 103.As depicted in figs. 12 a and 12b, spliced assembly 100 Axial pass-through holes 101 be all four sides diamond hole, but unlike a upper embodiment, the geometry high point 102 docked at this time Nib contacts are formed between geometry low spot 103.In addition, being not shown in the embodiment shown some, spliced assembly 100 axial pass-through holes 101 may be configured as irregular profiled holes.

It should be noted that when in adjacent core material unit piece 30 including a smooth core material unit piece 30, splicing The axial pass-through holes 101 of formula assembly 100 can be half point hexagonal hole, half point kidney slot, half point diamond hole etc..In addition, The contact surface of contact portion between core material unit piece 30 is not limited to same type face and connects, and is also possible to pair of such as plane and cambered surface Connect etc..In spliced assembly 100, the shape of axial pass-through holes 101 is not limited to each shape shown in the drawings, can also be with It is regular quadrangle, circle etc., it is not reinflated herein carefully to state.

The thermoplasticity core material with multi-layer compound structure is elaborated in conjunction with attached drawing above, is applicable to some have specific function The practical matter of demand (such as fire-retardant, anti-corrosion etc.), versatility is high, and application field is extensive.And with existing round tube honeycomb core material, Semi-hexagon shape folded-sheet honeycomb structure core material etc. is compared, and composed structure is simple and novel, and convenient for the Continuous maching production on assembly line, core material is raw Produce that high-efficient, production cost is low, and due to saving blow molding or plastic uptake link, it is possible to increase sheet thickness is with interstitital texture filler or function Energy filler, thus high-intensitive and functional diversity, particularly suitable for heavily loaded field etc..

To obtain the satisfactory thermoplasticity core material that can be realized lightweight heavy duty, in embodiment shown in the drawings Spliced assembly 100, can be more as subtracting the axial pass-through holes 101 in matter hole to realize lightweight by being arranged.Preferably, Defined with second direction D2 by first direction D1 and intersected with spliced 100 entity of assembly in spliced assembly 100 Any plane, i.e., in any cross sectional planes of spliced assembly 100, plane voidage should be not less than 40%, it is highly preferred that Plane voidage should be not less than 60%.In the above-mentioned cross sectional planes of spliced assembly 100, the plane voidage, that is, each The hole area of section summation of a axial pass-through holes 101 and the ratio between the site area of the 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.In other words, along load stress The true part of the force in direction is load bearing live part, and perpendicular to the material part or hollow sectors of load Impact direction It is then load bearing inactive portion, the material volume utilization rate of inactive portion is 0.As an example, when third direction D3 is to hold When compressed loading direction, the material volume utilization rate of spliced assembly 100 is preferably arranged to not less than 60%, more preferably Ground, material volume utilization rate are not less than 80%.

It can heat of the automatic assembly line quantity-produced with multi-layer compound structure to sum up, the present invention provides one kind Plasticity core material, the sandwich body suitable for thermoplasticity sandwich composite material, the manufacturing cost for solving legacy cellular core material is high, The advantages that material waste can not add the problem of functional stuffing and reinforcing filler, realize honeycomb core fillable, low cost and The manufacturing of economizing type.And lamination layer structure is conducive to apply core material and has specific function demand (such as fire-retardant, anti-some Corruption etc.) practical matter, effectively improve versatility, expanded the application field of thermoplastic composite significantly.

Specifically, the thermoplasticity core material with multi-layer compound structure of the relatively thick with packing material of the invention can Applied in the every field more demanding to high-strength light, such as in the increasing various carrier vehicles of load-carrying, especially Heavily loaded electric power transporting coal train or cruising ability are insufficient and need to mitigate the electronic logistic car of car body etc..

In addition, the equipment is using thermoplasticity core material above-mentioned according to the present invention the present invention also provides a kind of equipment.Specifically Ground, the equipment can be the phase in rolling stock, road vehicle, building and wind-powered electricity generation, mining and aerospace field etc. field Close device.

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims

1. the production method of the thermoplasticity core material with multi-layer compound structure, comprising:

The flat sheets (10) with multi-layer sheet structure are persistently exported along assembly line conveying direction (X), wherein the multilayer tablet Material structure is not less than three layers and including for load bearing structure sheaf (107) and at least one layer of functional layer (108) or at least One layer of adhesive layer (109)；

By the flat sheets (10) division processing at multiple core material unit pieces (30), so that sheet length direction (L) keeps edge The assembly line conveying direction (X) and sheet width direction (W) are kept along broadside conveying direction (Y), the wherein at least institute of part The side sheet surface for stating core material unit piece (30), which is formed with, repeats the geometry high point presented along the assembly line conveying direction (X) (102) and other side sheet surface is formed with and repeats the geometry low spot (103) presented along the assembly line conveying direction (X)；

Multiple core material unit pieces (30) are collapsed along the broadside conveying direction (Y) and are spliced into thermoplasticity core material to be laminated.

2. the production method of the thermoplasticity core material according to claim 1 with multi-layer compound structure, wherein along assembly line Persistently flat sheets (10) of the output with multi-layer sheet structure include: conveying direction (X)

The flat sheets with multi-layer sheet structure are processed in the way of Mo Neire composite molding by multiple extrusion dies (10)。

3. the production method of the thermoplasticity core material according to claim 2 with multi-layer compound structure, wherein by the knot Structure layer (107) is set as the middle layer of the flat sheets (10), the outside layer-selective of the two sides of the flat sheets (10) It is set as functional layer (108) or adhesive layer (109)；Or

Each flat sheets (10) have the functional layer (108), the structure sheaf (107) and the institute of any storied placement State adhesive layer (109)；

Wherein, the structure sheaf (107) and the functional layer (108) have compatibility.

4. the production method of the thermoplasticity core material according to claim 3 with multi-layer compound structure, wherein by multiple institutes Core material unit piece (30) is stated to be collapsed along the broadside conveying direction (Y) to be laminated and be spliced into the thermoplasticity core material and include:

The core material unit piece (30) of arbitrary neighborhood is connected in a manner of melting adhered.

5. the production method of the thermoplasticity core material according to claim 2 with multi-layer compound structure, wherein will be described flat The outer layer of the two sides of full wafer material (10) is respectively set to the functional layer (108) and the structure sheaf (107), and passes through centre The adhesive layer (109) connection have antagonism the functional layer (108) and the structure sheaf (107).

6. the production method of the thermoplasticity core material according to claim 5 with multi-layer compound structure, wherein by multiple institutes Core material unit piece (30) is stated to be collapsed along the broadside conveying direction (Y) to be laminated and be spliced into the thermoplasticity core material and include:

By each core material unit piece (30) after division processing respectively around the overturning along the assembly line conveying direction (X) Axis (PP ') overturn predetermined angle so that the reverses direction of two core material unit pieces (30) of arbitrary neighborhood on the contrary, its In in the first core material unit piece, the second core material unit piece and the third core material list successively arranged along the broadside conveying direction (Y) In first piece, the knot of the first core material unit piece of the structure sheaf (107) and side of the second core material unit piece Structure layer (107) is aligned along the broadside conveying direction (Y), the functional layer (108) of the second core material unit piece with it is another The functional layer (108) of the third core material unit piece of side is aligned along the broadside conveying direction (Y)；

The core material unit piece (30) of arbitrary neighborhood after connecting overturning in a manner of melting adhered.

7. the production method of the thermoplasticity core material according to claim 5 with multi-layer compound structure, wherein by multiple institutes Core material unit piece (30) is stated to be collapsed along the broadside conveying direction (Y) to be laminated and be spliced into the thermoplasticity core material and include:

By each core material unit piece (30) after division processing respectively around the overturning along the assembly line conveying direction (X) Axis (PP ') overturns predetermined angle, so that the reverses direction of two core material unit pieces (30) of arbitrary neighborhood is identical；

Wherein, in the first core material unit piece, the second core material unit piece and the third successively arranged along the broadside conveying direction (Y) In core material unit piece, the first core material unit piece of the structure sheaf (107) and side of the second core material unit piece The functional layer (108) is aligned along the broadside conveying direction (Y), the functional layer (108) of the second core material unit piece It is aligned with the structure sheaf (107) of the third core material unit piece of the other side along the broadside conveying direction (Y).

8. the production method of the thermoplasticity core material according to claim 7 with multi-layer compound structure, wherein the production Method further include: coat bonding layer in the contact surface of each core material unit piece (30) to be bonded the adjacent core material list First piece (30).

9. the production method of the thermoplasticity core material according to claim 7 with multi-layer compound structure, wherein by multiple institutes It states core material unit piece (30) and is spliced into the thermoplasticity core material along the broadside conveying direction (Y) gathering to be laminated further include:

Before stacking splicing, along the mobile adjustment core material unit piece (30) of the assembly line conveying direction (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 conveying direction (Y).

10. the production method of the thermoplasticity core material according to claim 1 with multi-layer compound structure, wherein the knot The material of structure layer (107) includes the thermoplastic polymer, fibre-reinforced thermoplastic resin-based of thermoplastic polymer, filler filling Composite material, plastic deformation paper and/or steel plastic compount object.

11. the production method of the thermoplasticity core material according to claim 10 with multi-layer compound structure, wherein the heat Thermoplastic polymer is polypropylene, polyethylene, polyamide, thermoplastic polyester, polyvinyl chloride, polystyrene, polycarbonate, polyphenyl Ether, thermoplastic elastomer (TPE), multi-component copolymer thermoplastic, polymethyl methacrylate, polyphenylene sulfide, polyether-ether-ketone and polyamides are sub- One of amine or in which a variety of blends；

Filler filling the thermoplastic polymer in filler be wax, talcum powder, carbon black, white carbon black, kaolin, calcium carbonate, One of stearic acid, calcium stearate, whisker, titanium dioxide, iron oxide, pigment, fire retardant and antioxidant or in which a variety of Composition；

Fiber in the fibre-reinforced thermoplastic resin based composite material is organic fiber, inorfil, metallic fiber, height One of molecular fiber, plant fiber are a variety of；Alternatively, the fibre in the fibre-reinforced thermoplastic resin based composite material Dimension is glass fibre, carbon fiber, basalt fibre, steel wire fibre, polypropylene fibre, polyester fiber, ultra-high molecular weight polyethylene One of fiber, polyimide fiber and flaxen fiber or many of composition.

12. the production method of the thermoplasticity core material according to claim 1 with multi-layer compound structure, wherein the function Ergosphere (108) is flame-retardant layer, UV-resistant layer, color layers, thermal resistance or heat transfer layer, saturating magnetic or hinders in magnetosphere, antibiotic layer or puigging One or more kinds of function combination layers；And/or the material of the functional layer (108) includes fire-retardant filler filled polymer, resists Ultraviolet filler filled polymer, paint filler filled polymer, thermal resistance or heat-transfer filler filled polymer, saturating magnetic or resistance magnetic filler One or more of filled polymer, antibacterial filler filled polymer, sound insulation filler filled polymer composition.

13. the production method of the thermoplasticity core material according to claim 1 with multi-layer compound structure, wherein will be multiple The core material unit piece (30) is collapsed along the broadside conveying direction (Y) to be laminated and be spliced into the thermoplasticity core material and include:

During gathering, by the geometry high point (102) corresponding between the core material unit piece (30) of arbitrary neighborhood and Geometry low spot (103) contraposition abuts, to be formed between the adjacent core material unit piece (30) along sheet length side The multiple axial aperture structures being sequentially distributed to (L), the axial aperture structure include axial pass-through holes (101) and around it is described axially through The circumferentially closed axis hole peripheral wall in hole (101).

14. the production method of the thermoplasticity core material according to claim 13 with multi-layer compound structure, wherein along institute It states in the flat sheets (10) that assembly line conveying direction (X) persistently exports, the lamellar spacing of the structure sheaf (107) is not small It is not less than 1mm in the external diameter of a circle of 0.1mm, the axial pass-through holes (101) of arbitrary shape；And/or arbitrary shape The diameter ratio of the circumscribed circle of the hole axial length and axial pass-through holes (101) of the axial pass-through holes (101) is not more than 200.

15. the producer of the thermoplasticity core material described according to claim 1~any one of 14 with multi-layer compound structure Method, wherein so that in the thermoplasticity core material of spicing forming type, when the Vertical Square of the sheet surface of the flat sheets (10) When to bear compressive load direction, the material volume utilization rate of the thermoplasticity core material is not less than 60%, it is preferred that material bodies Product utilization rate is not less than 80%；

And/or on the core material cross section of the sheet surface for being parallel to the sheet material (10) of the thermoplasticity core material, plane is empty Gap rate is not less than 40%, and further, the plane voidage is not less than 60%.

16. the production equipment of the thermoplasticity core material with multi-layer compound structure, comprising:

Thermoplastic material molding equipment (1), for persistently output to have the smooth of multi-layer sheet structure along assembly line conveying direction (X) Sheet material (10), wherein the multi-layer sheet structure is not less than three layers and including for load bearing structure sheaf (107) and extremely Few an one functional layer (108) or at least one layer of adhesive layer (109)；

Core material unit sheetmolding component, at multiple core material unit pieces (30), making the flat sheets (10) division processing Sheet length direction (L) holding is obtained along the assembly line conveying direction (X) and sheet width direction (W) is kept along broadside conveying side It is formed with to the side sheet surface of (Y), wherein at least the core material unit piece (30) of part along the assembly line conveying side The geometry high point (102) presented is repeated to (X) and other side sheet surface is formed with and repeats along the assembly line conveying direction (X) The geometry low spot (103) of presentation；

Thermoplasticity core material splicing component, for collapsing multiple core material unit pieces (30) along the broadside conveying direction (Y) Thermoplasticity core material is spliced into stacking.

17. the production equipment of the thermoplasticity core material according to claim 16 with multi-layer compound structure, wherein the heat Moulding material molding equipment (1) include the upper layer extrusion die (1a) being from top to bottom sequentially arranged, middle layer extrusion die (1b), under Layer extrusion die (1c) and to be located at the upper layer extrusion die (1a), the middle layer extrusion die (1b) and the lower layer crowded The hot composite molding section of the molding extrusion of mold (1c) out.

18. the production equipment of the thermoplasticity core material according to claim 16 with multi-layer compound structure, wherein the heat Plasticity core material splicing component includes:

Guide device (5), for surrounding each core material unit piece (30) after division processing along the assembly line respectively The overturning axis (PP ') of conveying direction (X) overturns predetermined angle；

Polymerization unit (7), for collapsing each core material unit piece (30) along the broadside conveying direction (Y)；

Welder (8), the core material unit piece (30) for melting adhered arbitrary neighborhood.

19. the production equipment of the thermoplasticity core material with multi-layer compound structure, comprising:

Core material unit sheetmolding component, at multiple core material unit pieces (30), making the flat sheets (10) division processing The holding of sheet length direction is obtained along the assembly line conveying direction (X) and sheet width direction (W) is kept along broadside conveying direction (Y), the side sheet surface of the wherein at least core material unit piece (30) of part is formed with along the assembly line conveying direction (X) it repeats the geometry high point (102) presented and other side sheet surface is formed with and is in along the assembly line conveying direction (X) repetition Existing geometry low spot (103)；

Automatic double surface gluer coats bonding layer for the contact surface in each core material unit piece (30)；