CN101966763B - Fiber composite lattice sandwich plate, mould for manufacturing same and method for manufacturing same by mould - Google Patents
Fiber composite lattice sandwich plate, mould for manufacturing same and method for manufacturing same by mould Download PDFInfo
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- CN101966763B CN101966763B CN 201010276964 CN201010276964A CN101966763B CN 101966763 B CN101966763 B CN 101966763B CN 201010276964 CN201010276964 CN 201010276964 CN 201010276964 A CN201010276964 A CN 201010276964A CN 101966763 B CN101966763 B CN 101966763B
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Abstract
The invention discloses a fiber composite lattice sandwich plate, a mould for manufacturing the lattice sandwich plate and a method for manufacturing the lattice sandwich plate by using the mould, which relates to the technical field of lattice sandwich plate and manufacturing thereof and solves the problem that the traditional composite lattice sandwich plate formed by a rigid mould cannot apply pressure to the rod member of a core part. The cross section of the fiber composite rod member of the lattice sandwich plate is rectangular; and a plurality of square through holes can be formed between adjacent mould bodies of the mould. The method for manufacturing the lattice sandwich plate comprises the following steps: 1, obtaining a plurality of uni-directional prepreg; 2, cleaning the mould; 3, paving the uni-directional prepreg in a square groove; 4, paving a fiber prepreg layer; 5, paving square silicon rubber on the surface of the prepreg layer; 6, performing hot forming; 7, demoulding; and 8, obtaining the lattice sandwich plate. The lattice sandwich plate can be applied to the fields of aerospace, navigation, construction and the like, has high mechanical performance and light weight and can realize light and multifunctional effects.
Description
Technical field
The present invention relates to a kind ofly prepare the mould of dot-matrix sandwich panel and use the method that this mould prepares dot-matrix sandwich panel.
Background technology
The truss core structure is a kind of structure that can satisfy outstanding mechanical properties such as light in structure in the engineering objective, function be strong simultaneously.Dot-matrix sandwich panel is by the up and down thin plate of two-layer high strength, high-modulus and the material that middle thicker dot matrix fuse is formed.
Mostly the material that existing dot-matrix sandwich panel uses is metal material, and the dot-matrix sandwich panel that adopts Composite Preparation dot-matrix sandwich panel and traditional metal material to prepare is compared and had higher specific strength, specific stiffness, and has stronger designability.
Pyramid-shaped composite material dot matrix sandwich board is one type of novel truss core structure, adopts the dot-matrix sandwich panel of rigid die preparation in the past, owing to can't apply the required pressure of moulding to the rod member in the mould; The rod member that makes is prone to take place splitting, and when the circular rod member of preparation, because manual work rolls prepreg; Be easy to introduce defective; And mould is prone to dislocation, and rod member is caused damage, and these have all reduced the mechanical property of pyramid-shaped composite material dot matrix sandwich board.
Summary of the invention
The objective of the invention is to exist the problem of poor mechanical property, provide a kind of and prepare the mould of fibrous composite dot-matrix sandwich panel and use the method that this mould prepares dot-matrix sandwich panel for the composite dot-matrix sandwich panel that solves existing rigid die moulding.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
The fibrous composite dot-matrix sandwich panel; It is made up of last composite laminated plate, following composite laminated plate and dot matrix fuse; The dot matrix fuse is arranged between composite laminated plate and the following composite laminated plate; The dot matrix fuse is made up of some fiber composite rod members; The upper end of described fiber composite rod member and last composite laminated plate are affixed, and the lower end of fiber composite rod member is affixed with following composite laminated plate, and described fiber composite rod member is that shape of cross section is rectangular fiber composite bar;
The mould of preparation fibrous composite dot-matrix sandwich panel; Said fibrous composite dot-matrix sandwich panel is a tetrahedral truss core structure; Said mould is made up of former, formpiston and clamping plate, and described former is made up of N first die body, and described formpiston is made up of N-1 second die body, the 3rd die body and the 4th die body; The shape of cross section of said first die body is trapezoidal; The shape of cross section of said second die body is trapezoidal, and the shape of cross section of the 3rd die body is a right-angled trapezium, and the shape of cross section of the 4th die body is a right-angled trapezium; Said first die body is made up of the first spill module, the second spill module and first intermediate module; The shape of cross section of first intermediate module is an isosceles trapezoid; On two inclined-planes that are placed on first intermediate module of the first spill module and second spill module symmetry; The first spill module is away from many first square grooves to connecting along the surface width direction of processing on the surface on said inclined-plane; Every pair first square groove is the splayed setting, and the second spill module is away from many second square grooves that connect along the surface width direction of processing on the surface on said inclined-plane, and the center line of said second square groove converges a bit with two square groove center lines of corresponding a pair of first square groove; The deep equality of the degree of depth of each first square groove and each second square groove, the width of each first square groove equates with the width of each second square groove;
Two inclined-planes of second die body match with the profile on two inclined-planes of first die body respectively; Second die body is made up of the first convex module, the second convex module and second intermediate module; The shape of cross section of second intermediate module is an isosceles trapezoid; On two inclined-planes that are placed on second intermediate module of the first convex module and second convex module symmetry; The first convex module is how first square stupefied to what connect along the surface width direction away from processing on the surface on said inclined-plane; The every pair first square stupefied splayed setting that is, the second convex module away from many of processing on the surface on said inclined-plane along the surface width direction connect second square stupefied, the said second square stupefied center line converges a bit with a pair of first corresponding square two stupefied square stupefied center lines; Each first square stupefied height equates that with each second square stupefied height each first square stupefied width equates with each second square stupefied width;
The inclined-plane of the inclined-plane of the 3rd die body and the 4th die body matches with the profile on two inclined-planes of first die body respectively; Wherein, The inclined-plane of the 3rd die body is provided with many to stupefied along third party's shape of surface width direction perforation; The every pair of third party's shape is stupefied to be the splayed setting, and it is stupefied that the inclined-plane of the 4th die body is provided with many squares that connect along the surface width direction;
N first die body and N-1 the alternate tiling of second die body also constitute dull and stereotyped; In a plurality of first square stupefied a plurality of first square grooves that are embedded in respectively on the first adjacent die body on second die body; And with its matched in clearance; In a plurality of second square stupefied a plurality of second square grooves that are embedded in respectively on the first adjacent die body on second die body, and with its matched in clearance, an end of described flat board is provided with the 3rd die body; The dull and stereotyped other end is provided with the 4th die body; In stupefied a plurality of first square grooves that are embedded in respectively on the first adjacent die body of a plurality of third party's shapes on the 3rd die body, in stupefied a plurality of second square grooves that are embedded in respectively on the first adjacent die body of a plurality of squares on the 4th die body, and with its matched in clearance;
Clamping plate are used for fixing N first die body, N-1 second die body, the 3rd die body and the 4th die body, and said die body is combined to form flat board through clamping plate,
Wherein, N is the integer greater than 1.
The mould of preparation fibrous composite dot-matrix sandwich panel; Said fibrous composite dot-matrix sandwich panel is a pyramid truss core structure, and said mould is made up of former, formpiston and clamping plate, and described former is made up of N first die body; Described formpiston is made up of N-1 second die body and two the 3rd die bodys; The shape of cross section of said first die body is trapezoidal, and the shape of cross section of said second die body is trapezoidal, and the shape of cross section of the 3rd die body is a right-angled trapezium;
Said first die body is made up of two the first spill modules and first intermediate module; The shape of cross section of first intermediate module is an isosceles trapezoid; On two inclined-planes that are placed on first intermediate module of two first spill module symmetries; The first spill module is away from many first square grooves to connecting along the surface width direction of processing on the surface on said inclined-plane; Every pair first square groove is the splayed setting; Two square groove center lines of corresponding a pair of first square groove on two square groove center lines of a pair of first square groove on said one the first spill module and another first spill module converge a bit, the deep equality of each first square groove, and the width of each first square groove equates;
Two inclined-planes of second die body match with the profile on two inclined-planes of first die body respectively; Said second die body is made up of two the first convex modules and second intermediate module; The shape of cross section of second intermediate module is an isosceles trapezoid; On two inclined-planes that are placed on second intermediate module of two first convex module symmetries; The first convex module is how first square stupefied to what connect along the surface width direction away from processing on the surface on said inclined-plane, the every pair first square stupefied splayed setting that is, and a pair of first square stupefied two square stupefied center lines on said one the first convex module converge a bit with a pair of first corresponding square two the stupefied square stupefied center lines on another first convex module; Each first square stupefied height equates that each first square stupefied width equates;
The inclined-plane of the 3rd die body matches with the profile on an inclined-plane of first die body, and wherein, the inclined-plane of the 3rd die body is provided with how stupefied to third party's shape of connecting along the surface width direction, and the every pair of third party's shape is stupefied to be the splayed setting;
With N first die body and individual alternate tiling of second die body of N-1 and formation flat board; In a plurality of first square stupefied a plurality of first square grooves that are embedded in respectively on the first adjacent die body on second die body; And with its matched in clearance; The two ends of described flat board are provided with one the 3rd die body respectively, in stupefied a plurality of first square grooves that are embedded in respectively on the first adjacent die body of a plurality of third party's shapes on the 3rd die body, and with its matched in clearance;
Clamping plate are used for fixing N first die body, N-1 second die body and two the 3rd die bodys, and said die body is combined to form flat board through clamping plate.
Use the method that described mould prepares dot-matrix sandwich panel, the preparation process of described dot-matrix sandwich panel is:
The outer surface of each die body in all formers and the formpiston spreads upon hole sealing agent and releasing agent on the said outer surface then successively in step 2, employing mold cleaning agent or the acetone soln cleaning die, then mould is arranged into tabular, and removes all formpistons;
Step 6, pull down clamping plate; Unload the formpiston that is in both mold ends; First intermediate module in first die body and second intermediate module in second module are extracted out, removed the first spill module, the second spill module, the first convex module and the second convex module then one by one, accomplish the demoulding;
Step 7, the workpiece that obtains in the step 6 is polished, obtain dot-matrix sandwich panel.
The present invention compared with prior art has following beneficial effect:
The shape of cross section of the fiber composite rod member of dot-matrix sandwich panel of the present invention is rectangular, and this makes described dot-matrix sandwich panel have outstanding mechanical property; The preparation tetrahedral dot-matrix sandwich panel of the present invention or the mould of pyramid dot-matrix sandwich panel have simple in structure, reasonable in design; Can reuse; Assembly and disassembly are characteristics easily; Square groove is square in the described mould stupefiedly is complementary, and can apply briquetting pressure to prepreg through mould, strengthens the mechanical property of dot-matrix sandwich panel; Because the former and the formpiston of mould of the present invention can form a plurality of square through holes; Adopt method of the present invention to prepare tetrahedral dot-matrix sandwich panel or pyramid dot-matrix sandwich panel; Need not manual work and roll prepreg; As long as the strip unidirectional pre-immersion material after will cutting is laid in the square through hole of mould and above the strip unidirectional pre-immersion material, places the preparation that a silicon rubber can be realized square rod member; Can integrated molding tetrahedral dot-matrix sandwich panel or pyramid dot-matrix sandwich panel, adopt method of the present invention to prepare dot-matrix sandwich panel, be difficult for rod member is caused damage.
Description of drawings
Fig. 1 is the structural perspective of first die body; Fig. 2 is the structural perspective of second die body; Fig. 3 is the structural perspective of the 3rd die body; Fig. 4 is the structural perspective of the 4th die body; Fig. 5 is first die body, second die body, the 3rd die body and the tiling of the 4th die body and constitutes dull and stereotyped structural representation; Fig. 6 is the structural representation of the mould of the specific embodiment three described preparation tetrahedral composite material dot matrix coreboards; Fig. 7 is the structural perspective of the 6th die body; Fig. 8 is the structural perspective of the 7th die body; Fig. 9 is the structural perspective of the 8th die body; Figure 10 is the 6th die body, the 7th die body and the tiling of the 8th die body and constitutes dull and stereotyped structural representation; Figure 11 is the structural representation of the mould of the specific embodiment five described preparation pyramid-shaped composite material dot matrix sandwich boards; Figure 12 is the flow chart of the preparation process of dot-matrix sandwich panel.
The specific embodiment
The specific embodiment one: fibrous composite dot-matrix sandwich panel; It is made up of last composite laminated plate, following composite laminated plate and dot matrix fuse; The dot matrix fuse is arranged between composite laminated plate and the following composite laminated plate; The dot matrix fuse is made up of some fiber composite rod members; The upper end of described fiber composite rod member and last composite laminated plate are affixed, and the lower end of fiber composite rod member is affixed with following composite laminated plate, and described fiber composite rod member is that shape of cross section is rectangular fiber composite bar.
The shape of cross section of the fiber composite rod member of the described fibrous composite dot-matrix sandwich panel of this embodiment is rectangular, and this makes described dot-matrix sandwich panel have outstanding mechanical property.
The specific embodiment two: this embodiment is with the difference of the specific embodiment one: described fibrous composite dot-matrix sandwich panel is tetrahedral truss core structure or pyramid truss core structure.
Fibrous composite dot-matrix sandwich panel described in this embodiment is tetrahedral dot-matrix sandwich panel or pyramid dot-matrix sandwich panel, and according to the different mechanical performance requirement, the fibrous composite dot-matrix sandwich panel is chosen as suitable truss core structure.
The specific embodiment three: specify this embodiment below in conjunction with Fig. 1 to Fig. 6.The mould of the preparation specific embodiment one said fibrous composite dot-matrix sandwich panel; Said fibrous composite dot-matrix sandwich panel is a tetrahedral truss core structure; Said mould is made up of former, formpiston and clamping plate 5, and described former is made up of N first die body 1, and described formpiston is made up of individual second die body 2 of N-1, the 3rd die body 3 and the 4th die body 4; The shape of cross section of said first die body 1 is trapezoidal; The shape of cross section of said second die body 2 is trapezoidal, and the shape of cross section of the 3rd die body 3 is a right-angled trapezium, and the shape of cross section of the 4th die body 4 is a right-angled trapezium; Said first die body 1 is made up of the first spill module 1-1, the second spill module 1-2 and the first intermediate module 1-3; The shape of cross section of the first intermediate module 1-3 is an isosceles trapezoid; On two inclined-planes that are placed on the first intermediate module 1-3 of the first spill module 1-1 and second spill module 1-2 symmetry; The first spill module 1-1 is away from the many first square groove 1-1-1 to connecting along the surface width direction of processing on the surface on said inclined-plane; Every couple first square groove 1-1-1 is the splayed setting; The second spill module 1-2 is away from many second square groove 1-2-1 that connect along the surface width direction of processing on the surface on said inclined-plane; The center line of the said second square groove 1-2-1 converges a bit with two square groove center lines of the corresponding a pair of first square groove 1-1-1, the deep equality of the degree of depth of each first square groove 1-1-1 and each second square groove 1-2-1, and the width of each first square groove 1-1-1 equates with the width of each second square groove 1-2-1;
Two inclined-planes of second die body 2 match with the profile on two inclined-planes of first die body 1 respectively; Second die body 2 is made up of the first convex module 2-1, the second convex module 2-2 and the second intermediate module 2-3; The shape of cross section of the second intermediate module 2-3 is an isosceles trapezoid; On two inclined-planes that are placed on the second intermediate module 2-3 of the first convex module 2-1 and second convex module 2-2 symmetry; The first convex module 2-1 is away from the many first square stupefied 2-1-1 to connecting along the surface width direction of processing on the surface on said inclined-plane; Every couple first square stupefied 2-1-1 is the splayed setting; The second convex module 2-2 is away from many second square stupefied 2-2-1 that connect along the surface width direction of processing on the surface on said inclined-plane; The center line of the said second square stupefied 2-2-1 converges a bit with two square stupefied center lines of the corresponding a pair of first square stupefied 2-1-1, and the height of each first square stupefied 2-1-1 equates that with the height of each second square stupefied 2-2-1 the width of each first square stupefied 2-1-1 equates with the width of each second square stupefied 2-2-1;
The inclined-plane of the inclined-plane of the 3rd die body 3 and the 4th die body 4 matches with the profile on two inclined-planes of first die body 1 respectively; Wherein, The inclined-plane of the 3rd die body 3 is provided with many stupefied 3-1-1 of third party's shape to connecting along the surface width direction; Every couple of stupefied 3-1-1 of third party's shape is the splayed setting, and the inclined-plane of the 4th die body 4 is provided with many stupefied 4-1-1 of square that connect along the surface width direction;
N first die body 1 is dull and stereotyped with N-1 second die body, 2 alternate tilings and formation; The a plurality of first square stupefied 2-1-1 on second die body 2 is embedded in respectively in a plurality of first square groove 1-1-1 on the first adjacent die body 1; And with its matched in clearance; The a plurality of second square stupefied 2-2-1 on second die body 2 is embedded in respectively in a plurality of second square groove 1-2-1 on the first adjacent die body 1, and with its matched in clearance, an end of described flat board is provided with the 3rd die body 3; The dull and stereotyped other end is provided with the 4th die body 4; The stupefied 3-1-1 of a plurality of third party's shapes on the 3rd die body 3 is embedded in respectively in a plurality of first square groove 1-1-1 on the first adjacent die body 1, and the stupefied 4-1-1 of a plurality of squares on the 4th die body 4 is embedded in respectively in a plurality of second square groove 1-2-1 on the first adjacent die body 1, and with its matched in clearance;
Clamping plate 5 are used for fixing N first die body 1, N-1 second die body 2, the 3rd die body 3 and the 4th die body 4, and said die body is combined to form flat board through clamping plate 5,
Wherein, N is the integer greater than 1.
The mould of the described preparation tetrahedral of this embodiment dot-matrix sandwich panel has simple in structure, reasonable in design; Can reuse; Assembly and disassembly are characteristics easily; The square groove of first die body 1 and adjacent the square stupefied of second die body 2 are complementary in the described mould; The square groove of the first square stupefied and adjacent die body 1 of the 3rd die body 3 is complementary, the square groove of the first square stupefied and adjacent die body 1 of the 4th die body 4 is complementary, and can apply briquetting pressure to prepreg through mould, strengthens the mechanical property of dot-matrix sandwich panel.
The specific embodiment four: this embodiment is with the difference of the specific embodiment three: the shape of cross section of described each first die body 1 is an isosceles trapezoid; The shape of cross section of described each second die body 2 is an isosceles trapezoid; Center line converges in three square grooves of a bit; Angle between every adjacent two square grooves is a, and the scope of said a is 60 °～120 °.
The specific embodiment five: specify this embodiment below in conjunction with Fig. 7 to Figure 11.The mould of the preparation specific embodiment one described fibrous composite dot-matrix sandwich panel; Said fibrous composite dot-matrix sandwich panel is a pyramid truss core structure; Said mould is made up of former, formpiston and clamping plate 5; Described former is made up of N first die body 1, and described formpiston is made up of N-1 second die body 2 and two the 3rd die bodys 3, and the shape of cross section of said first die body 1 is trapezoidal; The shape of cross section of said second die body 2 is trapezoidal, and the shape of cross section of the 3rd die body 3 is a right-angled trapezium;
Said first die body 1 is made up of two the first spill module 1-1 and the first intermediate module 1-3; The shape of cross section of the first intermediate module 1-3 is an isosceles trapezoid; On two inclined-planes that are placed on the first intermediate module 1-3 of two first spill module 1-1 symmetries; The first spill module 1-1 is away from the many first square groove 1-1-1 to connecting along the surface width direction of processing on the surface on said inclined-plane; Every couple first square groove 1-1-1 is the splayed setting; Two square groove center lines of the corresponding a pair of first square groove 1-1-1 on two square groove center lines of a pair of first square groove 1-1-1 on said one the first spill module 1-1 and another the first spill module 1-1 converge a bit, the deep equality of each first square groove 1-1-1, and the width of each first square groove 1-1-1 equates;
Two inclined-planes of second die body 2 match with the profile on two inclined-planes of first die body 1 respectively; Said second die body 2 is made up of two the first convex module 2-1 and the second intermediate module 2-3; The shape of cross section of the second intermediate module 2-3 is an isosceles trapezoid; On two inclined-planes that are placed on the second intermediate module 2-3 of two first convex module 2-1 symmetries; The first convex module 2-1 is away from the many first square stupefied 2-1-1 to connecting along the surface width direction of processing on the surface on said inclined-plane; Every couple first square stupefied 2-1-1 is the splayed setting; Two square stupefied center lines of the corresponding a pair of first square stupefied 2-1-1 on two square stupefied center lines of a pair of first square stupefied 2-1-1 on said one the first convex module 2-1 and another the first convex module 2-1 converge a bit, and the height of each first square stupefied 2-1-1 equates that the width of each first square stupefied 2-1-1 equates;
The inclined-plane of the 3rd die body 3 matches with the profile on an inclined-plane of first die body 1, and wherein, the inclined-plane of the 3rd die body 3 is provided with many stupefied 3-1-1 of third party's shape to connecting along the surface width direction, and every couple of stupefied 3-1-1 of third party's shape is the splayed setting;
N first die body 1 is dull and stereotyped with N-1 second die body, 2 alternate tilings and formation; The a plurality of first square stupefied 2-1-1 on second die body 2 is embedded in respectively in a plurality of first square groove 1-1-1 on the first adjacent die body 1; And with its matched in clearance; The stupefied 3-1-1 of a plurality of third party's shapes that the two ends of described flat board are provided with respectively on one the 3rd die body, 3, the three die bodys 3 is embedded in respectively in a plurality of first square groove 1-1-1 on the first adjacent die body 1, and with its matched in clearance;
Clamping plate 5 are used for fixing N first die body 1, N-1 second die body 2 and two the 3rd die bodys 3, and said die body is combined to form flat board through clamping plate 5.
The mould of the described preparation pyramid of this embodiment dot-matrix sandwich panel has simple in structure, reasonable in design; Can reuse; Assembly and disassembly are characteristics easily, and the first square stupefied 2-1-1 on first square groove 1-1-1 in the described mould on first die body 1 and the second adjacent die body 2 is complementary, and the first square groove 1-1-1 on the stupefied 3-1-1 of third party's shape and adjacent first die body 1 is complementary; Can apply briquetting pressure to prepreg through mould, strengthen the mechanical property of dot-matrix sandwich panel.
The specific embodiment six: this embodiment is with the difference of the specific embodiment five: the shape of cross section of described each the 6th die body 6 is an isosceles trapezoid; The shape of cross section of described each first die body 1 is an isosceles trapezoid; The shape of cross section of described each second die body 2 is an isosceles trapezoid; Center line converges in four square grooves of a bit, and the angle between every adjacent two square grooves is b, and the scope of said b is 60 °～120 °.
The specific embodiment seven: specify this embodiment below in conjunction with Figure 12.Use the method that the specific embodiment three or five described moulds prepare dot-matrix sandwich panel, the preparation process of described dot-matrix sandwich panel is:
The outer surface of each die body in all formers and the formpiston spreads upon hole sealing agent and releasing agent on the said outer surface then successively in step 2, employing mold cleaning agent or the acetone soln cleaning die, then mould is arranged into tabular, and removes all formpistons;
Step 6, pull down clamping plate; Unload the formpiston that is in both mold ends; First intermediate module 1-3 in first die body 1 and the second intermediate module 2-3 in second module 2 are extracted out; Remove the first spill module 1-1, the second spill module 1-2, the first convex module 2-1 and the second convex module 2-2 then one by one, accomplish the demoulding;
Step 7, the workpiece that obtains in the step 6 is polished, obtain dot-matrix sandwich panel.
In the step 3 of this embodiment; Described square groove is during corresponding to the mould of preparation tetrahedral dot-matrix sandwich panel; Square groove is the first square groove 1-1-1 and the second square groove 1-2-1; Described square groove is during corresponding to the mould of preparation pyramid dot-matrix sandwich panel, and square groove is third party's shape groove 6-1-1.
Because the former and the formpiston of the described mould of this embodiment can form a plurality of square through holes; Adopt the described method of this embodiment to prepare tetrahedral dot-matrix sandwich panel or pyramid dot-matrix sandwich panel; Need not manual work and roll prepreg; As long as the strip unidirectional pre-immersion material after will cutting is laid in the square through hole of mould and above the strip unidirectional pre-immersion material, places the preparation that a silicon rubber can be realized square rod member; Can integrated molding tetrahedral dot-matrix sandwich panel or pyramid dot-matrix sandwich panel, adopt the described method of this embodiment to prepare dot-matrix sandwich panel, be difficult for rod member is caused damage.
The specific embodiment eight: this embodiment is the further qualification to the step 5 in the preparation process of the specific embodiment seven described dot-matrix sandwich panels; When unidirectional pre-immersion material adopts 3234 model epoxy resin in the step 1; Described in the step 5 solidification temperature be 120 ℃; Solidifying pressure is 0.5Mpa, is 1.5 hours between curing.
The specific embodiment nine: this embodiment is the further qualification to the step 5 in the preparation process of the specific embodiment seven described dot-matrix sandwich panels; Unidirectional pre-immersion material adopts TDE85 model epoxy resin in the step 1; Described in the step 5 solidification temperature be 175 ℃; Solidifying pressure is 0.5Mpa, is 3 hours between curing.
Claims (7)
1. the mould for preparing the fibrous composite dot-matrix sandwich panel; Said fibrous composite dot-matrix sandwich panel; It is made up of last composite laminated plate, following composite laminated plate and dot matrix fuse; The dot matrix fuse is arranged between composite laminated plate and the following composite laminated plate, and the dot matrix fuse is made up of some fiber composite rod members, and the upper end of described fiber composite rod member and last composite laminated plate are affixed; The lower end of fiber composite rod member is affixed with following composite laminated plate, and described fiber composite rod member is that shape of cross section is rectangular fiber composite bar;
It is characterized in that: the mould for preparing described fibrous composite dot-matrix sandwich panel; Said fibrous composite dot-matrix sandwich panel is a tetrahedral truss core structure; Said mould is made up of former, formpiston and clamping plate (5), and described former is made up of N first die body (1), and described formpiston is made up of N-1 second die body (2), the 3rd die body (3) and the 4th die body (4); The shape of cross section of said first die body (1) is trapezoidal; The shape of cross section of said second die body (2) is trapezoidal, and the shape of cross section of the 3rd die body (3) is a right-angled trapezium, and the shape of cross section of the 4th die body (4) is a right-angled trapezium; Said first die body (1) is made up of the first spill module (1-1), the second spill module (1-2) and first intermediate module (1-3); The shape of cross section of first intermediate module (1-3) is an isosceles trapezoid; On two inclined-planes that are placed on first intermediate module (1-3) of the first spill module (1-1) and the second spill module (1-2) symmetry; The first spill module (1-1) is away from many first square grooves (1-1-1) to connecting along the surface width direction of processing on the surface on said inclined-plane; Every pair first square groove (1-1-1) is the splayed setting; The second spill module (1-2) is away from many second square grooves (1-2-1) that connect along the surface width direction of processing on the surface on said inclined-plane; The center line of said second square groove (1-2-1) converges a bit with two square groove center lines of corresponding a pair of first square groove (1-1-1); The deep equality of the degree of depth of each first square groove (1-1-1) and each second square groove (1-2-1), the width of each first square groove (1-1-1) equates with the width of each second square groove (1-2-1);
Two inclined-planes of second die body (2) match with the profile on two inclined-planes of first die body (1) respectively; Second die body (2) is made up of the first convex module (2-1), the second convex module (2-2) and second intermediate module (2-3); The shape of cross section of second intermediate module (2-3) is an isosceles trapezoid; On two inclined-planes that are placed on second intermediate module (2-3) of the first convex module (2-1) and the second convex module (2-2) symmetry; The first convex module (2-1) is away from many first square stupefied (2-1-1) to connecting along the surface width direction of processing on the surface on said inclined-plane; Every pair first square stupefied (2-1-1) is the splayed setting; The second convex module (2-2) is away from many second square stupefied (2-2-1) that connect along the surface width direction of processing on the surface on said inclined-plane; The center line of said second square stupefied (2-2-1) converges a bit with two square stupefied center lines of corresponding a pair of first square stupefied (2-1-1); The height of each first square stupefied (2-1-1) equates that with the height of each second square stupefied (2-2-1) width of each first square stupefied (2-1-1) equates with the width of each second square stupefied (2-2-1);
The inclined-plane of the inclined-plane of the 3rd die body (3) and the 4th die body (4) matches with the profile on two inclined-planes of first die body (1) respectively; Wherein, The inclined-plane of the 3rd die body (3) is provided with many third party's shapes stupefied (3-1-1) to connecting along the surface width direction; Every pair of third party's shape stupefied (3-1-1) is the splayed setting, and the inclined-plane of the 4th die body (4) is provided with many squares stupefied (4-1-1) that connect along the surface width direction;
N first die body (1) is dull and stereotyped with N-1 alternate tiling of second die body (2) and formation; On second die body (2) a plurality of first square stupefied (2-1-1) is embedded in respectively in a plurality of first square grooves (1-1-1) on adjacent first die body (1); And with its matched in clearance; On second die body (2) a plurality of second square stupefied (2-2-1) is embedded in respectively in a plurality of second square grooves (1-2-1) on adjacent first die body (1); And with its matched in clearance; One end of described flat board is provided with the 3rd die body (3), and the dull and stereotyped other end is provided with the 4th die body (4), and a plurality of third party's shapes stupefied (3-1-1) on the 3rd die body (3) are embedded in respectively in a plurality of first square grooves (1-1-1) on adjacent first die body (1); A plurality of squares stupefied (4-1-1) on the 4th die body (4) are embedded in respectively in a plurality of second square grooves (1-2-1) on adjacent first die body (1), and with its matched in clearance;
Clamping plate (5) are used for fixing N first die body (1), N-1 second die body (2), the 3rd die body (3) and the 4th die body (4); Said N first die body (1), N-1 second die body (2), the 3rd die body (3) and the 4th die body (4) are combined to form flat board through clamping plate (5)
Wherein, N is the integer greater than 1.
2. the mould of a kind of fibrous composite dot-matrix sandwich panel according to claim 1; It is characterized in that: the shape of cross section of described each first die body (1) is an isosceles trapezoid; The shape of cross section of described each second die body (2) is an isosceles trapezoid; The square groove center line converges in three square grooves of a bit, and the angle between every adjacent two square grooves is a, and the scope of said a is 60 °～120 °.
3. the mould for preparing the fibrous composite dot-matrix sandwich panel; Said fibrous composite dot-matrix sandwich panel; It is made up of last composite laminated plate, following composite laminated plate and dot matrix fuse; The dot matrix fuse is arranged between composite laminated plate and the following composite laminated plate, and the dot matrix fuse is made up of some fiber composite rod members, and the upper end of described fiber composite rod member and last composite laminated plate are affixed; The lower end of fiber composite rod member is affixed with following composite laminated plate, and described fiber composite rod member is that shape of cross section is rectangular fiber composite bar;
It is characterized in that: said fibrous composite dot-matrix sandwich panel is a pyramid truss core structure; Said mould is made up of former, formpiston and clamping plate (5); Described former is made up of N first die body (1), and described formpiston is made up of N-1 second die body (2) and two the 3rd die bodys (3), and the shape of cross section of said first die body (1) is trapezoidal; The shape of cross section of said second die body (2) is trapezoidal, and the shape of cross section of the 3rd die body (3) is a right-angled trapezium;
Said first die body (1) is made up of two first spill modules (1-1) and first intermediate module (1-3); The shape of cross section of first intermediate module (1-3) is an isosceles trapezoid; On two inclined-planes that are placed on first intermediate module (1-3) of two first spill modules (1-1) symmetry; The first spill module (1-1) is away from many first square grooves (1-1-1) to connecting along the surface width direction of processing on the surface on said inclined-plane; Every pair first square groove (1-1-1) is the splayed setting; Two square groove center lines of corresponding a pair of first square groove (1-1-1) on two square groove center lines of a pair of first square groove (1-1-1) on said one the first spill module (1-1) and another first spill module (1-1) converge a bit; The deep equality of each first square groove (1-1-1), the width of each first square groove (1-1-1) equates;
Two inclined-planes of second die body (2) match with the profile on two inclined-planes of first die body (1) respectively; Said second die body (2) is made up of two first convex modules (2-1) and second intermediate module (2-3); The shape of cross section of second intermediate module (2-3) is an isosceles trapezoid; On two inclined-planes that are placed on second intermediate module (2-3) of two first convex modules (2-1) symmetry; The first convex module (2-1) is away from many first square stupefied (2-1-1) to connecting along the surface width direction of processing on the surface on said inclined-plane; Every pair first square stupefied (2-1-1) is the splayed setting; Two square stupefied center lines of corresponding a pair of first square stupefied (2-1-1) on two square stupefied center lines of a pair of first square stupefied (2-1-1) on said one the first convex module (2-1) and another first convex module (2-1) converge a bit, and the height of each first square stupefied (2-1-1) equates that the width of each first square stupefied (2-1-1) equates;
The inclined-plane of the 3rd die body (3) matches with the profile on an inclined-plane of first die body (1); Wherein, The inclined-plane of the 3rd die body (3) is provided with many third party's shapes stupefied (3-1-1) to connecting along the surface width direction, and every pair of third party's shape stupefied (3-1-1) is the splayed setting;
N first die body (1) is dull and stereotyped with N-1 alternate tiling of second die body (2) and formation; On second die body (2) a plurality of first square stupefied (2-1-1) is embedded in respectively in a plurality of first square grooves (1-1-1) on adjacent first die body (1); And with its matched in clearance; The two ends of described flat board are provided with one the 3rd die body (3) respectively; A plurality of third party's shapes stupefied (3-1-1) on the 3rd die body (3) are embedded in respectively in a plurality of first square grooves (1-1-1) on adjacent first die body (1), and with its matched in clearance;
Clamping plate (5) are used for fixing N first die body (1), N-1 second die body (2) and two the 3rd die bodys (3), and said die body is combined to form flat board through clamping plate (5).
4. the mould of a kind of fibrous composite dot-matrix sandwich panel according to claim 3; It is characterized in that: the shape of cross section of described each first die body (1) is an isosceles trapezoid; The shape of cross section of described each second die body (2) is an isosceles trapezoid; The square groove center line converges in four square grooves of a bit, and the angle between every adjacent two square grooves is b, and the scope of said b is 60 °～120 °.
5. application rights requires 1 or 3 described moulds to prepare the method for dot-matrix sandwich panel, and it is characterized in that: the preparation process of described dot-matrix sandwich panel is:
Step 1, many unidirectional pre-immersion materials of acquisition: the stack of sheet unidirectional pre-immersion material is laid; Width according to the square groove of former in the said mould; Adopt the sheet unidirectional pre-immersion material after scissors or engraving machine will superpose to cut into strip acquisition unidirectional pre-immersion material, the length of described unidirectional pre-immersion material is than the long 40～50mm of length of the square groove of first die body;
The outer surface of each die body in all formers and the formpiston spreads upon hole sealing agent and releasing agent on the said outer surface then successively in step 2, employing mold cleaning agent or the acetone soln cleaning die, then mould is arranged into tabular, and removes all formpistons;
Step 3, many unidirectional pre-immersion materials that obtain in the step 1 successively are laid on form a branch of unidirectional pre-immersion material in each each square groove of stating first die body (1); Evenly expose at the two ends of every unidirectional pre-immersion material two ends from the corresponding square groove length direction of stating first die body (1) respectively; After all unidirectional pre-immersion materials are laid and are accomplished; In each square groove, place a silicon rubber, the length of described silicon rubber and the equal in length of said square groove, the width of silicon rubber matches with the width of said square groove; With laying all first die bodys and the formpiston matched moulds of accomplishing, with clamping plate former and formpiston are fixed then;
Step 4, on the upper and lower surface of mould the lay down fibre preimpregnation bed of material respectively, concrete lay process is: every lay one deck fiber prepreg on the upper and lower surface of mould, said fiber prepreg is a rectangle; Every bundle unidirectional pre-immersion material that will expose passes this layer fiber prepreg; And every bundle unidirectional pre-immersion material evenly is divided into L part, bending a copy of it unidirectional pre-immersion material is tiled on this layer fiber prepreg it, continues one deck fiber prepreg under the lay; And then bending a copy of it unidirectional pre-immersion material is tiled on this layer fiber prepreg it; Repeat above-mentioned work and all bend completion, and then lay M layer fiber prepreg, wherein until L part unidirectional pre-immersion material; M is the integer greater than 1, and L is the integer greater than 3;
Step 5, the mould behind the lay down fibre preimpregnation bed of material in the step 4 is placed in the hot press, it is solidified, the inner solidification temperature of described hot press is 100～200 ℃, and solidifying pressure is 0.5～2Mpa, and be 1～3 hour hardening time;
Step 6, pull down clamping plate; Unload the formpiston that is in both mold ends; First intermediate module (1-3) in first die body (1) and second intermediate module (2-3) in second die body (2) are extracted out; Remove the first spill module (1-1), the second spill module (1-2), the first convex module (2-1) and the second convex module (2-2) then one by one, accomplish the demoulding;
Step 7, the workpiece that obtains in the step 6 is polished, obtain dot-matrix sandwich panel.
6. a kind of method for preparing dot-matrix sandwich panel according to claim 5; It is characterized in that: when unidirectional pre-immersion material adopts 3234 model epoxy resin in the step 1; Described in the step 5 solidification temperature be 120 ℃, solidifying pressure is 0.5Mpa, be 1.5 hours hardening time.
7. application rights requires 2 described moulds to prepare the method for dot-matrix sandwich panel, it is characterized in that: the preparation process of described dot-matrix sandwich panel is:
Step 1, many unidirectional pre-immersion materials of acquisition: the stack of sheet unidirectional pre-immersion material is laid; Width according to the square groove of former in the said mould; Adopt the sheet unidirectional pre-immersion material after scissors or engraving machine will superpose to cut into strip acquisition unidirectional pre-immersion material, the length of described unidirectional pre-immersion material is than the long 40～50mm of length of the square groove of first die body;
The outer surface of each die body in all formers and the formpiston spreads upon hole sealing agent and releasing agent on the said outer surface then successively in step 2, employing mold cleaning agent or the acetone soln cleaning die, then mould is arranged into tabular, and removes all formpistons;
Step 3, many unidirectional pre-immersion materials that obtain in the step 1 successively are laid on form a branch of unidirectional pre-immersion material in each each square groove of stating first die body (1); Evenly expose at the two ends of every unidirectional pre-immersion material two ends from the corresponding square groove length direction of stating first die body (1) respectively; After all unidirectional pre-immersion materials are laid and are accomplished; In each square groove, place a silicon rubber, the length of described silicon rubber and the equal in length of said square groove, the width of silicon rubber matches with the width of said square groove; With laying all first die bodys and the formpiston matched moulds of accomplishing, with clamping plate former and formpiston are fixed then;
Step 4, on the upper and lower surface of mould the lay down fibre preimpregnation bed of material respectively, concrete lay process is: every lay one deck fiber prepreg on the upper and lower surface of mould, said fiber prepreg is a rectangle; Every bundle unidirectional pre-immersion material that will expose passes this layer fiber prepreg; And every bundle unidirectional pre-immersion material evenly is divided into L part, bending a copy of it unidirectional pre-immersion material is tiled on this layer fiber prepreg it, continues one deck fiber prepreg under the lay; And then bending a copy of it unidirectional pre-immersion material is tiled on this layer fiber prepreg it; Repeat above-mentioned work and all bend completion, and then lay M layer fiber prepreg, wherein until L part unidirectional pre-immersion material; M is the integer greater than 1, and L is the integer greater than 3;
Step 5, the mould behind the lay down fibre preimpregnation bed of material in the step 4 is placed in the hot press, it is solidified, the inner solidification temperature of described hot press is 100～200 ℃, and solidifying pressure is 0.5～2Mpa, and be 1～3 hour hardening time;
Step 6, pull down clamping plate; Unload the formpiston that is in both mold ends; First intermediate module (1-3) in first die body (1) and second intermediate module (2-3) in second die body (2) are extracted out; Remove the first spill module (1-1), the second spill module (1-2), the first convex module (2-1) and the second convex module (2-2) then one by one, accomplish the demoulding;
Step 7, the workpiece that obtains in the step 6 is polished, obtain dot-matrix sandwich panel;
Unidirectional pre-immersion material adopts TDE85 model epoxy resin in the step 1, described in the step 5 solidification temperature be 175 ℃, solidifying pressure is 0.5Mpa, be 3 hours hardening time.
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| CN102275305A (en) * | 2011-04-29 | 2011-12-14 | 哈尔滨工业大学 | Method and mold for manufacturing dot matrix core and composite cylinder provided with matrix core |
| CN104476759A (en) * | 2014-10-27 | 2015-04-01 | 大连理工大学 | Thermoforming technology of composite prepreg irregular-shaped folded core material |
| CN107414970A (en) * | 2017-05-24 | 2017-12-01 | 德华兔宝宝装饰新材股份有限公司 | A kind of preparation method of imitative burr Recombinant Wood fancy veneer |
| CN109822787B (en) * | 2019-03-25 | 2020-04-07 | 大连理工大学 | Combined die for forming water-soluble pyramid dot matrix core die |
| CN111844803B (en) * | 2020-06-29 | 2021-08-31 | 华中科技大学 | Forming die and method for fiber-reinforced X-shaped core sandwich board |
| CN114083725B (en) * | 2021-11-19 | 2023-01-13 | 哈尔滨工业大学 | Mold for preparing pyramid lattice core and preparation method of pyramid lattice core |
| CN114654761B (en) * | 2022-04-02 | 2022-11-08 | 西安交通大学 | Z-splicing preparation method of corrugated sandwich board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424113A (en) * | 1993-06-23 | 1995-06-13 | The United States Of America As Represented By The Secretary Of The Navy | Lattice core sandwich construction |
| CN101122362A (en) * | 2007-09-19 | 2008-02-13 | 哈尔滨工业大学 | Fibre-reinforced composite lattice sandwich plate and its preparing process |
| CN101239513A (en) * | 2008-03-19 | 2008-08-13 | 哈尔滨工业大学 | Fibre reinforcement pyramid shape dot matrix sandwich board and preparation thereof |
| CN101708659A (en) * | 2009-10-30 | 2010-05-19 | 哈尔滨工业大学 | Fiber reinforced composite dot matrix core board mold and wet method preparation process |
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| WO2009048676A1 (en) * | 2007-08-16 | 2009-04-16 | University Of Virginia Patent Foundation | Hybrid periodic cellular material structures, systems, and methods for blast and ballistic protection |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424113A (en) * | 1993-06-23 | 1995-06-13 | The United States Of America As Represented By The Secretary Of The Navy | Lattice core sandwich construction |
| CN101122362A (en) * | 2007-09-19 | 2008-02-13 | 哈尔滨工业大学 | Fibre-reinforced composite lattice sandwich plate and its preparing process |
| CN101239513A (en) * | 2008-03-19 | 2008-08-13 | 哈尔滨工业大学 | Fibre reinforcement pyramid shape dot matrix sandwich board and preparation thereof |
| CN101708659A (en) * | 2009-10-30 | 2010-05-19 | 哈尔滨工业大学 | Fiber reinforced composite dot matrix core board mold and wet method preparation process |
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