CN210727220U - Honeycomb bionic core plate with folding groove opening - Google Patents
Honeycomb bionic core plate with folding groove opening Download PDFInfo
- Publication number
- CN210727220U CN210727220U CN201920991399.2U CN201920991399U CN210727220U CN 210727220 U CN210727220 U CN 210727220U CN 201920991399 U CN201920991399 U CN 201920991399U CN 210727220 U CN210727220 U CN 210727220U
- Authority
- CN
- China
- Prior art keywords
- folding
- original base
- adjacent
- honeycomb
- edges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a bionical core of folding honeycomb of notch, this bionical core of folding honeycomb of notch includes two at least first former baseband, first former baseband is even interval division has many first bonding limits, it has a first shaping limit to divide between two adjacent first bonding limits, the folding groove has all been seted up between adjacent first shaping limit and the first bonding limit in each first former baseband, the folding groove opening opposite direction at first shaping limit both ends, the folding groove opening direction at first bonding limit both ends is the same, the folding groove opening opposite direction that adjacent first former baseband position corresponds, the first bonding limit interval that adjacent first former baseband position corresponds bonds, and form a plurality of cavity type honeycomb cell structures after pulling open towards both sides. The honeycomb bionic core plate has the advantages of high transverse strength, good quality stability, wide application range and applicability to a high-strength bearing environment.
Description
Technical Field
The utility model relates to a bionic core board of honeycomb and manufacturing method thereof, concretely relates to bionic core board of honeycomb is folded to notch.
Background
At present, paper honeycomb core plates are mostly adopted in the market, but the flat pressing and shearing strength of the paper honeycomb is low, and generally only 0.1-0.2 MP. The paper honeycomb has the problems of easy water absorption, cementing collapse and the like. When the bearing parts of various furniture, wooden doors, indoor decorations and other products made of the paper honeycombs are used, the problems of surface randomness depression, unstable quality, poor durability and the like are easy to occur, and a lot of customer complaints are generated. Meanwhile, the edge core layer of the paper-based (paper tape) honeycomb plate is too soft and cannot be processed by adopting a conventional edge sealing process, so that a novel honeycomb core plate needs to be developed to meet the market demand.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a transverse strength very high, the stability of quality is good, can adopt conventional banding technology, be applicable to the bionic core of the folding honeycomb of notch that the high strength bore the weight of the environment.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a bionical core of honeycomb is folded to notch which characterized in that: including two at least first former baseband, first former baseband is even interval and divides there are many first bonding limits, and it has a first shaping limit to divide between two adjacent first bonding limits, each folding slot has all been seted up between adjacent first shaping limit and the first bonding limit in the first former baseband, the folding slot opening opposite direction at first shaping limit both ends, the folding slot opening direction at first bonding limit both ends is the same, and is adjacent the folding slot opening opposite direction that first former baseband position corresponds, and is adjacent first bonding limit interval that first former baseband position corresponds bonds, just forms a plurality of cavity type honeycomb cell structures after pulling open towards both sides.
As a further improvement of the above technical solution:
the folding grooves are V-shaped grooves, the opening angles of the folding grooves at the two ends of each first forming edge are equal, the opening angles of the folding grooves at the two ends of each first bonding edge are equal or complementary (the sum of the angles is 180 degrees), and the opening angles of the folding grooves corresponding to the adjacent first original base bands are equal or complementary.
The opening angles of all the folding grooves are equal.
When the opening angle of the folding slot at the end of one first forming edge is α 1 and the opening angle of the folding slot at the end of the other first forming edge is α 2 in the adjacent first forming edges of the first original base tapes, α 1 is complementary to α 2, and the opening angles of the folding slots corresponding to the positions of the adjacent first original base tapes are all equal.
The first forming edges of the first original base bands are arranged in pairs in sequence to form a group, in each adjacent group, the opening angles of the folding grooves at the end parts of the first forming edges of one group are equal and are all set to be theta 1, the opening angles of the folding grooves at the end parts of the first forming edges of the other group are equal and are all set to be theta 2, then the theta 1 and the theta 2 are complementary, and the opening angles of the folding grooves corresponding to the positions of the adjacent first original base bands are all equal.
The first forming edges of the first original base tapes are arranged in pairs in sequence to form a group, the opening angles of the folding grooves at the end parts of the first forming edges of one group in adjacent groups are equal and are set to be β 1, the opening angles of the folding grooves at the end parts of the first forming edges of the other group are equal and are set to be β 2, then β 1 and β 2 are complementary, and the opening angles of the folding grooves corresponding to the positions of the sequentially adjacent first original base tapes are alternately complementary and equal.
The folding groove is a trapezoidal groove. The width d2 of the short side of the trapezoidal groove is preferably 0.5mm to 2 mm.
The raw material of the first raw base band comprises one or more of a wood material, a paper material, metal and plastic;
and/or when the raw material of the first original base band is a non-paper material, the surface of the first original base band is provided with a facing; the paper material is formed by laminating a plurality of layers of paper, so that the surface of the paper material does not need to be faced;
and/or the ratio of the thickness d1 of the bottom of the folded slot of the first original base band to the thickness h of the first original base band is 2-4: 15-60; preferably, the thickness d1 of the bottom of the folding groove is 0.2-0.4 mm;
and/or the folding groove is a V-shaped groove, and the opening angle of the folding groove is 60 degrees, 90 degrees or 120 degrees.
As a general technical idea, the utility model provides a bionical core of folding honeycomb of notch, including at least two first former baseband, first former baseband is even interval division has many first bonding limits, divides between two adjacent first bonding limits to have a first shaping limit, each folding groove has all been seted up between adjacent first shaping limit and the first bonding limit in the first former baseband, the folding groove opening direction at first shaping limit both ends is opposite, the folding groove opening direction at first bonding limit both ends is the same, adjacent the folding groove opening direction that first former baseband position corresponds is opposite;
adjacent lay two former baseband of second between the first former baseband, the former baseband of second be even interval division have many with the second bonding limit that the first bonding limit position of first former baseband corresponds, the division has a second shaping limit between two adjacent second bonding limits, and the first bonding limit that the position corresponds bonds with second bonding limit interval, two second bonding limit intervals that the position corresponds bond, just form a plurality of cavity type honeycomb cell structures towards both sides after pulling open.
As a further improvement of the above technical solution:
the raw material of the first original base band comprises one or more of a wood material, a paper material, metal and plastic, and the second original base band is a paper band;
and/or when the raw material of the first original base band is a non-paper material, the surface of the first original base band is provided with a facing; the paper material is formed by laminating a plurality of layers of paper, so that the surface of the paper material does not need to be faced;
and/or the ratio of the thickness d1 of the bottom of the folded slot of the first original base band to the thickness h of the first original base band is 2-4: 15-60; preferably, the thickness of the first original base band is 1.5 mm-6.0 mm, and the thickness d1 of the bottom of the folding groove is 0.2-0.4 mm;
and/or the folding groove is a V-shaped groove, and the opening angle of the folding groove is 60 degrees, 90 degrees or 120 degrees.
The utility model discloses in, when the raw and other materials of first former baseband use non-cardboard like wooden material, plastics etc. in order to prevent the defect that its toughness is not enough to bring, can carry out the wainscot with the thin film material that 0.1-0.4mm is thick after the two-sided rubber coating of former material board and handle, the preferred kraft paper of thin film material, PVC film or veneer etc..
The utility model discloses in, in order to prevent first former baseband because the not enough defect of bringing of toughness, can also carry out alternative rubber coating to the notch when milling folding groove (especially V type groove).
The utility model discloses in, owing to can produce the garrulous of difficult clear away when milling the folding groove and cut, in order to make the first former baseband be convenient for fold forming, the actual opening angle can slightly be big 5 ~ 10 (preferably the condition in V type groove, when the opening angle of folding groove is not equal totally, each angle all can slightly increase, perhaps decides according to actual conditions) in the production, perhaps, mill into trapezoidal groove with the folding groove, the folding groove bottom reserves the wide platform of 0.5-2.0mm (the length of trapezoidal minor face promptly).
The utility model discloses in, the raw material board of adoption can be artificial boards such as plywood, well high density fiberboard or shaving board.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a transverse strength of the bionical core of folding honeycomb of notch is very high, and wherein the flat compressive strength can reach 1MPa ~ 15MPa inequality with shear strength, and the stability of quality is good, both can be used for the bearing member of general industrial products such as furniture, also can be used for the high-strength load-bearing environment such as indoor wallboard.
The utility model discloses a bionic core of folding honeycomb of notch can select the plate and the thickness of different materials as required, the folding groove of certain angle (the polygonal angulation after the decision is tensile) is milled to surface about certain distance (the polygonal length of side of decision) of interval on plate (preferred wooden board) to realize the folding of notch. The honeycomb bionic core plate is characterized in that side-to-side gluing is carried out on sides at certain intervals, notches are close to each other after stretching, hollow honeycomb cell structures in different shapes such as hexagon, square, rectangle, concave, triangle and combination are formed, and the honeycomb bionic core plate is transversely sawed according to the required thickness of products. The honeycomb bionic core plate formed by folding the folding grooves can be used as a core layer of a sandwich plate and can also be used as a wall-mounted storage rack, the product richness is greatly improved, and the application is wide.
Drawings
Fig. 1 is a schematic view of a first original baseband of a bionic honeycomb core plate with a folded notch in embodiment 1 of the present invention.
Fig. 2 is a schematic view of a top view structure of a bionic honeycomb core board with a folding notch in embodiment 1 of the present invention.
Fig. 3 is a schematic view of a first original baseband of a bionic honeycomb core plate folded at a notch in embodiment 2 of the present invention.
Fig. 4 is a schematic view of a top view structure of a bionic honeycomb core plate with a foldable notch in embodiment 2 of the present invention.
Fig. 5 is a schematic view of a first original baseband of a bionic honeycomb core plate with a folded notch in embodiment 3 of the present invention.
Fig. 6 is a schematic top view of a bionic honeycomb core plate with a foldable notch according to embodiment 3 of the present invention.
Fig. 7 is a schematic structural view of a first original baseband of a bionic honeycomb core plate with a folded notch in embodiment 4 of the present invention.
Fig. 8 is a schematic top view of a bionic honeycomb core plate with a foldable notch according to embodiment 4 of the present invention.
Fig. 9 is a schematic structural view of a first original baseband of a bionic honeycomb core plate with a folded notch in embodiment 5 of the present invention.
Fig. 10 is a schematic top view of a bionic honeycomb core plate with a foldable notch according to embodiment 5 of the present invention.
Fig. 11 is a schematic structural view of a first original baseband of a bionic honeycomb core plate with a folded notch in embodiment 6 of the present invention.
Fig. 12 is a schematic top view of a bionic honeycomb core plate with a foldable notch according to embodiment 6 of the present invention.
Fig. 13 is a schematic structural view of a first original baseband of a bionic honeycomb core plate with a folded notch in embodiment 7 of the present invention.
Fig. 14 is a schematic top view of a bionic honeycomb core plate with a foldable notch according to embodiment 7 of the present invention.
Fig. 15 is a schematic structural view of a first original baseband of a bionic honeycomb core plate with a folded notch in embodiment 8 of the present invention.
Fig. 16 is a schematic top view of a bionic honeycomb core board with a foldable notch according to embodiment 8 of the present invention.
Fig. 17 is a schematic top view of a bionic honeycomb core plate with a foldable notch according to embodiment 9 of the present invention.
Fig. 18 is an enlarged schematic view of a portion a in fig. 1.
Fig. 19 is a schematic structural view of a folding groove of a bionic honeycomb core plate with a folding groove opening according to embodiment 10 of the present invention.
Illustration of the drawings:
1. a first original baseband; 11. a first adhesive edge; 111. a folding slot; 112. a first adhesive region; 12. a first forming edge; 13. a first regular hexagonal hole; 14. a rectangular hole; 15. a square hole; 16. a first concave hexagonal hole; 17. a regular triangular hole; 18. a first arrow-shaped hexagonal hole; 19. a second arrowhead-shaped hexagonal hole; 2. a second original baseband; 21. a second adhesive edge; 22. a second forming edge; 3. a convex hexagonal hole; 4. a third arrowhead-shaped hexagonal hole; 5. a second concave hexagonal hole; 6. a fourth arrowhead-shaped hexagonal hole; 7. a first planar quadrilateral aperture; 8. a second flat quadrilateral aperture 8; 9. a third concave hexagonal hole; 10. a second regular hexagonal hole.
Detailed Description
The invention will be further described with reference to the drawings and specific preferred embodiments without limiting the scope of the invention.
The materials and equipment used in the following examples are commercially available.
Example 1:
as shown in fig. 1 and fig. 2, the notch-folded honeycomb bionic core plate of the present embodiment includes at least two first original base bands 1, the first original base bands 1 are divided into a plurality of first bonding edges 11 at uniform intervals, a first forming edge 12 is divided between two adjacent first bonding edges 11, folding grooves 111 are respectively disposed between the adjacent first forming edges 12 and the first bonding edges 11 in each first original base band 1, the opening directions of the folding grooves 111 at two ends of the first forming edges 12 are opposite, the opening directions of the folding grooves 111 at two ends of the first bonding edges 11 are the same, the opening directions of the folding grooves 111 corresponding to the positions of the adjacent first original base bands 1 are opposite, the first bonding edges 11 corresponding to the positions of the adjacent first original base bands 1 are bonded, and a honeycomb structure with a plurality of hollow honeycomb cells is formed after the first bonding edges 11 are pulled apart toward two sides. Specifically, the opening angles of the folding grooves 111 are equal, two sides of each folding groove 111 are equal, that is, all the lengths of the first bonding edge 11 and the first forming edge 12 are equal, a first bonding area 112 is arranged on a plane of the first bonding edge 11 opposite to the opening direction of the folding groove 111 at the end of the first bonding edge 11, the first bonding areas 112 corresponding to the positions of the adjacent first original base bands 1 are bonded, and the notches are closed after being pulled apart towards two sides, so that a honeycomb structure with a plurality of polygonal unit holes is formed, that is, the hollow honeycomb is a polygonal unit hole. The notch folding honeycomb bionic core plate of the structure has high transverse strength (including flat compression strength and shear strength) and good quality stability.
In this embodiment, the folding groove 111 is a V-shaped groove.
In this embodiment, the opening angles of all the folding grooves 111 are set to be α =60 °, and the lengths of all the first adhesive edges 11 are set to be L1, the lengths of all the first forming edges 12 are set to be L2, and L1= L2, so that the first adhesive edges 11 corresponding to the positions of the adjacent first original base bands 1 are adhered and pulled away towards two sides to form a honeycomb structure including a plurality of first regular hexagonal holes 13, wherein the adjacent first regular hexagonal holes 13 are connected in an abutting-against-side manner, and the transverse strength of the honeycomb folded bionic core plate is high, and the quality stability is good.
In this embodiment, the first original base band 1 is a wooden original base band, and further increases the flat pressing, the shearing strength and the quality stability of the notch folding honeycomb bionic core plate.
In this embodiment, as shown in fig. 18, the thickness d1 of the bottom of the folded groove 111 of the first base tape 1 is 0.2mm, and the thickness h of the first base tape 1 is 3 mm.
The manufacturing method of the notch folding honeycomb bionic core plate comprises the following steps:
s1: veneering treatment: the wood board is glued on both sides, then is veneered by kraft paper, and is pressed by a press machine to prepare a first original base band. The thickness of the kraft paper is preferably 0.1-0.4mm, and 0.2mm is used in this embodiment.
S2: dividing a unit: the first original base bands 1 are sequentially stacked, a plurality of first bonding edges 11 are uniformly divided on the first original base bands 1 at intervals by taking the end parts as starting points, and a first forming edge 12 is divided between two adjacent first bonding edges 11.
S3: milling a folding groove: a forming milling cutter is adopted to mill the folding grooves 111 between the adjacent first forming edges 12 and the first bonding edges 11 in each first original base strip 1, so that the opening directions of the folding grooves 111 at the two ends of the first forming edges 12 are opposite, the opening directions of the folding grooves 111 at the two ends of the first bonding edges 11 are the same, and the opening directions of the folding grooves 111 corresponding to the positions of the adjacent first original base strips 1 are opposite.
S4: gluing and bonding: the first adhesive edges 11 are selectively coated with adhesive on each first original base tape 1, so that the first adhesive edges 11 corresponding to the positions of the adjacent first original base tapes 1 can be adhered at intervals, in this embodiment, adhesive coating regions are provided on the first adhesive edges 11 of each first original base tape 1, specifically, a first adhesive region 112 is provided on a plane (also referred to as a notch bottom surface) opposite to the opening direction of the folding groove 111 at the end of the first adhesive edge 11 on the first adhesive edge 11, the first adhesive regions 112 corresponding to the positions of the adjacent first original base tapes 1 are adhered, or adhesive coating regions are provided on odd-numbered first original base tapes 1 or even-numbered first adhesive edges 11 of first original base tapes 1, and adhesive coating regions of two adjacent first adhesive edges 11 on the first original base tapes 1 are located on opposite sides.
S5: gluing and pressing: and (5) performing glue pressing on the bonded core plates to ensure that the bonding is firm.
S6: molding: and sawing the glued core plate into required height to obtain a strip-shaped core material, sanding, stretching towards two sides to enable the notches to be close to each other to form a plurality of hollow honeycomb cell structures, and thus obtaining the notch-folded honeycomb bionic core plate.
In the manufacturing method, if the original material plate is thicker, the original material plate can be processed into the required thickness by adopting a thin plate process, and then the original material plate is adhered and divided into units. And finally, adopting a conventional edge sealing process.
In the manufacturing method, the first original base band 1 is a wooden original base band, the thickness h of the first original base band 1 is 3mm, the thickness d1 of the groove bottom of each folding groove 111 is 0.2mm and can be 0.2-0.4mm, the opening angle α of each folding groove 111 is 60 degrees, the length L1 of all the first bonding edges 11 is equal to the length L2 of all the first forming edges 12, the thickness is 40mm in the embodiment, a honeycomb structure with a plurality of first regular hexagonal holes 13 is obtained, and the transverse flat pressing and the transverse shearing strength of the sandwich board made of the medium-density fiberboard with the thickness of 2.8mm in the embodiment are larger than 13 MPa.
In the actual production process, in order to facilitate the folding and forming of the first original base band 1, the actual opening angle can be slightly larger than the theoretical angle by 5-10 degrees.
Example 2:
as shown in fig. 3 and 4, the structure and the manufacturing method of the notch-folded honeycomb bionic core plate of the present embodiment are substantially the same as those of embodiment 1, except that in this embodiment, the opening angles α of all the folding grooves 111 are equal, α =90 °, the lengths of all the first bonding edges 11 are set to L1, the lengths of all the first forming edges 12 are set to L2, and L1= L2, so that the first bonding edges 11 corresponding to the positions of the adjacent first original base bands 1 are bonded and pulled away from both sides to form a honeycomb structure with a plurality of rectangular holes 14, that is, the hollow honeycomb cells are rectangular holes 14, wherein the adjacent rectangular holes 14 are connected to each other in an abutting manner.
Example 3:
as shown in fig. 5 and fig. 6, the structure and the manufacturing method of the notch-folded honeycomb bionic core board of the present embodiment are substantially the same as those of embodiment 1, except that in this embodiment, the opening angles α of all the folding grooves 111 are equal, α =90 °, the lengths of all the first bonding edges 11 are set to L1, the lengths of all the first forming edges 12 are set to L2, and L1= 2 × L2, so that the first bonding edges 11 corresponding to the positions of the adjacent first base tapes 1 are bonded and pulled apart towards both sides to form a honeycomb structure with a plurality of square holes 15, that is, the hollow honeycomb cells are square holes 15, wherein the adjacent square holes 15 are connected to each other, and the notch-folded honeycomb core board of the present embodiment has high shear strength and good quality stability, and the cell structure made of medium density fiberboard with a thickness of 2.8mm has a transverse flat compression strength and a transverse shear strength greater than 13 MPa.
Example 4:
as shown in fig. 7 and 8, the structure and manufacturing method of the notch-folded honeycomb bionic core board of the present embodiment are substantially the same as those of embodiment 1, except that in the present embodiment, the opening angles α of all the folding grooves 111 are equal, α =120 °, and the lengths of all the first bonding edges 11 are set to L1, and the lengths of all the first forming edges 12 are set to L2, L1>L2+31/2h (usually, L1 is not greater than 500 mm), so that the first adhesive edges 11 corresponding to the positions of the adjacent first original base tapes 1 are adhered and pulled away from each other towards both sides to form a honeycomb structure with a plurality of first concave hexagonal holes 16, that is, the hollow honeycomb cell is the first concave hexagonal hole 16, wherein the adjacent first concave hexagonal holes 16 are connected closely to each other at opposite sides, and the first concave hexagonal hole 16 has a pair of opposite angles with equal size and larger than 180 °. The notch folding honeycomb bionic core plate of the structure has the advantages of flat pressing, high shearing strength and good quality stability, and the transverse flat pressing and transverse shearing strength of the cell structure made of the medium-density fiberboard with the thickness of 2.8mm are both larger than 13 MPa.
Example 5:
as shown in fig. 9 and 10, the structure, the manufacturing method and the embodiment of the notch-folded honeycomb bionic core plate of the present embodiment1 are substantially the same, except that in this embodiment, the opening angles α of all the folding grooves 111 are equal, α =120 °, and the lengths of all the first adhesive sides 11 are set to L1, the lengths of all the first molding sides 12 are set to L2, and L1= L2+31/2h, bonding the first bonding edges 11 corresponding to the positions of the adjacent first original base bands 1, and pulling the first bonding edges to two sides to form a honeycomb structure with a plurality of regular triangular holes 17, namely, the hollow honeycomb cells are the regular triangular holes 17, wherein the opposite sides of the adjacent regular triangular holes 17 are connected closely. The notch folding honeycomb bionic core plate of the structure has the advantages of flat pressing, high shearing strength and good quality stability, and the transverse flat pressing and transverse shearing strength of the cell structure made of the medium-density fiberboard with the thickness of 2.8mm are both larger than 13 MPa.
Example 6:
as shown in fig. 11 and 12, the structure and manufacturing method of the notch-folded honeycomb bionic core board of the present embodiment are substantially the same as those of embodiment 1, except that in the adjacent first forming edges 12 of each first base tape 1, the opening angle α 1 of the folding slot 111 at the end of one first forming edge 12 is complementary to the opening angle α 2 of the folding slot 111 at the end of the other first forming edge 12, i.e., α 1+ α 2=180 °, wherein α 1=60 °, α 2=120 °, the opening angles of the folding slots 111 corresponding to the positions of the adjacent first base tape 1 are all equal, and the length of all first bonding edges 11 is L1, the length of all first forming edges 12 is L2, L1 and L2 are all equal (generally referring to the length of the middle position of the thickness, also referred to the middle position of the median length), so that the first bonding edges 11 corresponding to the positions of the adjacent first base tape 1 are bonded, and the first bonding edges 18 are formed with the first and second rows 18 of arrow-shaped holes, i.e., the second rows 18 of the first base tape 18 are formed with the opposite transverse arrow-shaped holes, and the second rows of the first and the second rows of the honeycomb-shaped holes are formed with the opposite transverse arrow-shaped structures, and the transverse arrow-shaped holes are formed with the opposite strength equal, and the first honeycomb-shaped holes, and the first honeycomb-shaped structures are formed with the transverse arrow-shaped holes, and the first honeycomb-shaped holes are formed with the transverse arrow-shaped structures are formed with the transverse arrow-shaped honeycomb-shaped holes, and the transverse arrow-shaped honeycomb-shaped holes formed with the transverse arrow-shaped structures are formed with the opposite directions of the transverse arrow-shaped structures, the transverse arrow-shaped structures are formed with the opposite directions of.
Example 7:
as shown in fig. 13 and 14, the structure and manufacturing method of the notch-folded honeycomb bionic core plate of the present embodiment are substantially the same as those of embodiment 1, except that: in this embodiment, the first forming edges 12 of each first original base tape 1 are sequentially arranged in pairs as a group, in each adjacent group, the opening angles of the folding grooves 111 at the ends of the first forming edges 12 of one group are all θ 1, the opening angles of the folding grooves 111 at the ends of the first forming edges 12 of the other group are all θ 2, θ 1 is complementary to θ 2, that is, θ 1+ θ 2=180 °, θ 1=60 °, θ 2=120 °, the opening angles of the folding grooves 111 corresponding to the positions of the adjacent first original base tapes 1 are all equal, the lengths of all the first bonding edges 11 are L1, the lengths of all the first forming edges 12 are L2, the lengths of L1 and L2 are equal (refer to the lengths of the middle positions of the thicknesses), and L1 is used for making the first forming edges 12 into a group, and in each adjacent group, the>L2+31/2h, bonding first bonding edges 11 corresponding to the positions of adjacent first original base bands 1, and pulling the first bonding edges to two sides to form a honeycomb structure with a multi-form hexagonal hole combination, wherein the multi-form hexagonal hole combination comprises multiple rows of convex hexagonal holes 3, multiple rows of third arrow-shaped hexagonal holes 4, multiple rows of second concave hexagonal holes 5 and multiple rows of fourth arrow-shaped hexagonal holes 6, namely, the hollow honeycomb cell is a convex hexagonal hole 3, a third arrow-shaped hexagonal hole 4, a second concave hexagonal hole 5 or a fourth arrow-shaped hexagonal hole 6, wherein the third arrow-shaped hexagonal hole 4 and the fourth arrow-shaped hexagonal hole 6 respectively have a pair of diagonal holes, one diagonal hole is larger than 180 degrees, the other diagonal hole is smaller than 180 degrees, the sum is equal to 360 degrees, the orientations of the third arrow-shaped hexagonal hole 4 and the fourth arrow-shaped hexagonal hole 6 are opposite, the inner angles of the convex hexagonal holes 3 are both larger than 90 degrees, the second concave hexagonal holes 5 have a pair of opposite angles with equal size and larger than 180 degrees, the opposite sides of the adjacent polygonal holes are connected closely, and a row of convex hexagonal holes 3, a row of third arrow-shaped hexagonal holes 4, a row of second concave hexagonal holes 5 and a row of fourth arrow-shaped hexagonal holesThe holes 6 are sequentially spliced to form a period unit, and each period unit is sequentially spliced to form the notch folding honeycomb bionic core plate. The notch folding honeycomb bionic core plate of the structure has the advantages of flat pressing, high shearing strength and good quality stability, and the transverse flat pressing and transverse shearing strength of the cell structure made of the medium-density fiberboard with the thickness of 2.8mm are both larger than 13 MPa.
Example 8:
as shown in fig. 15 and 16, the structure and manufacturing method of the notch-folded honeycomb bionic core board of the present embodiment are substantially the same as those of embodiment 1, except that in this embodiment, the first forming edges 12 of the first original tapes 1 are sequentially arranged in pairs as a group, and in each adjacent group, the opening angles of the folding slots 111 at the ends of the first forming edges 12 of one group are β, and the opening angles of the folding slots 111 at the ends of the first forming edges 12 of the other group are β, β are complementary to β 2, i.e., β + β =180 °, wherein β =120 °, β =60 °, and the opening angles of the folding slots 111 corresponding to the first original tapes 1 sequentially adjacent to each other are alternately complementary and equal (e.g., the sequentially arranged fourth original tapes 1 are sequentially arranged as the first original tape 1, the second original tape 1, the third original tape 1 and the fourth original tape 1, then the first original tape 1 and the first original tape 1 are sequentially arranged as the first original tape 1, the second original tape 1, the third original tape 1 and the fourth original tape 1 are sequentially arranged as the first original tapes, the opening angles of the first folding slots 111L and the first original tapes are respectively, and the first original tapes are respectively arranged as the first folding slots 12, and the folding slots 12 are respectively arranged as the folding slots, and the folding slots 12, respectively, and the folding slots are respectively, and the folding slots 12, and the folding slots are equal, and the folding slots, respectively, then all the folding slots>L2+31/ 2h, bonding the first bonding edges 11 corresponding to the positions of the adjacent first original base bands 1, and pulling the first bonding edges to two sides to form a multi-form hexagonal hole combination hollow honeycomb cell structure, wherein the multi-form hexagonal hole combination comprises a convex hexagonal hole 3, a first rectangular hole 7, a second rectangular hole 8 and a third concave hexagonal hole 9, namely the hollow honeycomb cell is the convex hexagonal hole 3, the first rectangular hole 7, the second rectangular hole 8 or the third concave hexagonal hole 9, wherein the inner angles of the convex hexagonal hole 3 are all larger than 90The opposite angles of the third concave hexagonal hole 9 are equal and are all larger than 180 degrees, the convex hexagonal hole 3 and the third concave hexagonal hole 9 are alternately connected to form a plurality of first polygonal combined columns, the first rectangular holes 7 and the second rectangular holes 8 are alternately connected to form a plurality of second polygonal combined columns, the adjacent first rectangular holes 7 and the second rectangular holes 8 in the second polygonal combined columns are symmetrically arranged, and the first polygonal combined columns and the second polygonal combined columns are alternately spliced in a staggered mode to form a plurality of hollow honeycomb cell structures. The notch folding honeycomb bionic core plate of the structure has the advantages of flat pressing, high shearing strength and good quality stability, and the transverse flat pressing and transverse shearing strength of the cell structure made of the medium-density fiberboard with the thickness of 2.8mm are both larger than 13 MPa.
Example 9:
as shown in fig. 17, the notch-folded honeycomb bionic core plate of the present embodiment includes at least two first original base bands 1, the first original base bands 1 are uniformly divided into a plurality of first bonding edges 11 at intervals, a first forming edge 12 is divided between two adjacent first bonding edges 11, folding grooves 111 are respectively disposed between the adjacent first forming edges 12 and the first bonding edges 11 in each first original base band 1, the opening directions of the folding grooves 111 at the two ends of the first forming edges 12 are opposite, the opening directions of the folding grooves 111 at the two ends of the first bonding edges 11 are the same, and the opening directions of the folding grooves 111 corresponding to the positions of the adjacent first original base bands 1 are opposite. Two original second base bands 2 are arranged between adjacent first original base bands 1, the original second base bands 2 are uniformly divided at intervals to form a plurality of second bonding edges 21 corresponding to the positions of the first bonding edges 11 of the first original base bands 1, a second forming edge 22 is arranged between the two adjacent second bonding edges 21, the first bonding edges 11 corresponding to the positions are bonded with the second bonding edges 21, the two second bonding edges 21 corresponding to the positions are bonded, a honeycomb structure with a plurality of hollow honeycomb cells is formed after the two adjacent second bonding edges 21 are pulled open towards two sides, and the hollow honeycomb cells are second regular hexagonal holes 10.
In this embodiment, the opening angles of all the folding grooves 111 are equal, and are set to be α =60 °, the lengths of all the first bonding edges 11 and the second bonding edges 21 are equal, and are set to be L1, the lengths of all the first forming edges 12 and the second forming edges 22 are equal, and are set to be L2, then L1= L2, so that the first bonding edges 11 and the second bonding edges 21 corresponding to the positions are bonded, the two second bonding edges 21 corresponding to the positions are bonded, and the honeycomb structure including the second regular hexagonal holes 10 is formed after pulling apart towards two sides, wherein the adjacent second regular hexagonal holes 10 are connected in an abutting manner, and the notch folding honeycomb core plate of the structure has high transverse strength and good quality stability.
In this embodiment, the first original base band 1 is a wooden original base band, and the second original base band 2 is a common paper band.
In this embodiment, the thickness d1 of the bottom of the folding groove 111 of the first original tape 1 is 0.2mm, and the thickness h of the first original tape 1 is 3 mm.
The manufacturing method of the notch folding honeycomb bionic core plate comprises the following steps:
s1: veneering treatment: the wood board is glued on both sides, then is veneered by kraft paper, and is pressed by a press machine to prepare a first original base band. The thickness of the kraft paper is preferably 0.1-0.4mm, and 0.2mm is used in this embodiment.
S2: dividing a unit: the method comprises the following steps of sequentially stacking all first original base bands 1, taking an end part as a starting point, uniformly dividing a plurality of first bonding edges 11 on the first original base bands 1 at intervals, dividing a first forming edge 12 between every two adjacent first bonding edges 11, then arranging two second original base bands 2 between every two adjacent first original base bands 1, uniformly dividing the second original base bands 2 at intervals to form a plurality of second bonding edges 21 corresponding to the first bonding edges 11 of the first original base bands 1, and dividing a second forming edge 22 between every two adjacent second bonding edges 21.
S3: milling a folding groove: a forming milling cutter is adopted to mill the folding grooves 111 between the adjacent first forming edges 12 and the first bonding edges 11 in each first original base strip 1, so that the opening directions of the folding grooves 111 at the two ends of the first forming edges 12 are opposite, the opening directions of the folding grooves 111 at the two ends of the first bonding edges 11 are the same, and the opening directions of the folding grooves 111 corresponding to the positions of the adjacent first original base strips 1 are opposite.
S4: gluing and bonding: the first adhesive edge 11 is selectively glued on each first original base band 1, the second adhesive edge 21 is selectively glued on each second original base band 2, so that the first adhesive edge 11 and the second adhesive edge 21 which correspond to each other in position are bonded at intervals, and the two second adhesive edges 21 which correspond to each other in position are bonded at intervals. In this embodiment, a first adhesive region 112 is provided on a first adhesive side 11 of the first base tape 1 on a plane (also referred to as a notch bottom surface) opposite to the opening direction of the folding groove 111 at the end of the first adhesive side 11, so that the first adhesive side 11 and the second adhesive side 21 in the corresponding position are adhered, and the second adhesive side 21 opposite to the opening direction of the folding groove 111 in the first adhesive side 11 is coated with adhesive, so that the two second adhesive sides 21 in the corresponding position are adhered.
S5: gluing and pressing: and (5) performing glue pressing on the bonded core plates to ensure that the bonding is firm.
S6: molding: and sawing the glued core plate into required height to obtain a strip-shaped core material, sanding, stretching towards two sides to enable the notches to be close to each other to form a plurality of hollow honeycomb cell structures, and thus obtaining the notch-folded honeycomb bionic core plate.
In the manufacturing method, if the original material plate is thicker, the original material plate can be processed into the required thickness by adopting a thin plate process, and then the original material plate is adhered and divided into units.
In the manufacturing method, the first original base band 1 is a wood original base band, the thickness h of the first original base band 1 is 3mm, the thickness d1 of the groove bottom of the folding groove 111 is 0.2mm and can be 0.2-0.4mm, the opening angle α of each folding groove 111 is 60 degrees, the second original base band 2 is a common paper original base band, the length L1 of all the first bonding edges 11 and the second bonding edges 21 is equal to the length L2 of all the first forming edges 12 and the second forming edges 22, the thickness is 30mm in the embodiment, a honeycomb structure with a plurality of second regular hexagonal holes 10 is obtained, and the transverse flat pressing strength and the transverse shearing strength of the sandwich board made of the medium-density fiberboard with the thickness of 2.8mm in the embodiment are both greater than 1.0 MPa.
Example 10:
the structure and the manufacturing method of the notch folding honeycomb bionic core plate are basically the same as those of the embodiment 1, and the notch folding honeycomb bionic core plate is only characterized in that as shown in fig. 19, the folding groove 111 of the embodiment is a trapezoid groove, the included angle α of the side wall of the trapezoid groove is 60 degrees, the thickness of the bottom of the trapezoid groove is 0.2mm, and a platform (namely the thickness d2 of the trapezoid short side) of 0.5-2mm is reserved.
In conclusion, the utility model discloses a transverse strength of the bionic core of folding honeycomb of notch is very high, and is different according to the difference, the thickness of the plate material of adoption, and flat crushing strength and shear strength reach 1-15MPa and are unequal, both can use the bearing member of general industrial products such as furniture, also can be used to the high-strength load-bearing environment such as indoor wallboard.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. Those skilled in the art can make numerous changes and modifications to the disclosed embodiments, or modify equivalent embodiments, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a bionical core of honeycomb is folded to notch which characterized in that: the novel honeycomb structure comprises at least two first original base bands (1), wherein the first original base bands (1) are uniformly divided into a plurality of first bonding edges (11) at intervals, a first forming edge (12) is divided between every two adjacent first bonding edges (11), folding grooves (111) are formed in the first original base bands (1) between the adjacent first forming edges (12) and the first bonding edges (11), the opening directions of the folding grooves (111) at the two ends of the first forming edges (12) are opposite, the opening directions of the folding grooves (111) at the two ends of the first bonding edges (11) are the same, the opening directions of the folding grooves (111) corresponding to the positions of the adjacent first original base bands (1) are opposite, and the adjacent first bonding edges (11) corresponding to the positions of the first original base bands (1) are bonded at intervals and are pulled towards the two sides to form a plurality of hollow honeycomb structures.
2. The notch-folded honeycomb bionic core plate of claim 1, wherein: the folding grooves (111) are V-shaped grooves, the opening angles of the folding grooves (111) at the two ends of each first forming edge (12) are equal, the opening angles of the folding grooves (111) at the two ends of each first bonding edge (11) are equal or complementary, and the opening angles of the folding grooves (111) corresponding to the positions of the adjacent first original base bands (1) are equal or complementary.
3. The notch-folded honeycomb bionic core plate of claim 2, wherein: the opening angles of all the folding grooves (111) are equal.
4. The notch folding honeycomb bionic core board according to claim 2, wherein in the adjacent first forming edges (12) of each first raw base strip (1), the opening angle of the folding groove (111) at the end of one first forming edge (12) is α 1, the opening angle of the folding groove (111) at the end of the other first forming edge (12) is α 2, α 1 is complementary to α 2, and the opening angles of the folding grooves (111) corresponding to the positions of the adjacent first raw base strips (1) are all equal.
5. The notch-folded honeycomb bionic core plate of claim 2, wherein: the first forming edges (12) of the first original base bands (1) are arranged in pairs in sequence to form a group, in each adjacent group, the opening angles of the folding grooves (111) at the ends of the first forming edges (12) of one group are equal and are all set to be theta 1, the opening angles of the folding grooves (111) at the ends of the first forming edges (12) of the other group are equal and are all set to be theta 2, then the theta 1 is complementary with the theta 2, and the opening angles of the folding grooves (111) corresponding to the positions of the adjacent first original base bands (1) are all equal.
6. The notch folding honeycomb bionic core board according to claim 2, wherein the first forming edges (12) of each first original base tape (1) are arranged in pairs in sequence to form a group, in each adjacent group, the opening angles of the folding grooves (111) at the ends of the first forming edges (12) of one group are equal and are set to be β 1, the opening angles of the folding grooves (111) at the ends of the first forming edges (12) of the other group are equal and are set to be β 2, then β 1 is complementary with β 2, and the opening angles of the folding grooves (111) corresponding to the positions of the first original base tapes (1) which are adjacent in sequence are alternately complementary and equal.
7. The notch-folded honeycomb bionic core plate of claim 1, wherein: the folding groove (111) is a trapezoidal groove.
8. A notch-folded honeycomb biomimetic core plate as in any of claims 1-7, wherein: the raw material of the first raw base belt (1) comprises one or more of wood material, paper material, metal and plastic;
and/or when the raw material of the first original base band (1) is a non-paper material, the surface of the first original base band (1) is provided with a facing;
and/or the ratio of the thickness d1 of the bottom of the folding groove (111) of the first original base band (1) to the thickness h of the first original base band (1) is 2-4: 15-60;
and/or the folding groove (111) is a V-shaped groove, and the opening angle of the folding groove (111) is 60 degrees, 90 degrees or 120 degrees.
9. The utility model provides a bionical core of honeycomb is folded to notch which characterized in that: the novel adhesive tape comprises at least two first original base tapes (1), wherein a plurality of first adhesive edges (11) are uniformly divided at intervals on the first original base tapes (1), a first forming edge (12) is divided between two adjacent first adhesive edges (11), folding grooves (111) are formed between the adjacent first forming edges (12) and the first adhesive edges (11) in each first original base tape (1), the opening directions of the folding grooves (111) at the two ends of each first forming edge (12) are opposite, the opening directions of the folding grooves (111) at the two ends of each first adhesive edge (11) are the same, and the opening directions of the folding grooves (111) corresponding to the positions of the adjacent first original base tapes (1) are opposite;
adjacent lay two former baseband (2) of second between first former baseband (1), the former baseband (2) of second be even interval division have many with second bonding limit (21) that first bonding limit (11) position of first former baseband (1) corresponds, divide between two adjacent second bonding limits (21) and have a second shaping limit (22), and first bonding limit (11) that the position corresponds bond with second bonding limit (21) interval, two second bonding limits (21) that the position corresponds bond at an interval, and form a plurality of cavity type honeycomb cell structures towards both sides after pulling open.
10. The notch-folded honeycomb biomimetic core plate of claim 9, wherein: the raw material of the first original base band (1) comprises one or more of wood material, paper material, metal and plastic, and the second original base band (2) is a paper band;
and/or when the raw material of the first original base band (1) is a non-paper material, the surface of the first original base band (1) is provided with a facing;
and/or the ratio of the thickness d1 of the bottom of the folding groove (111) of the first original base band (1) to the thickness h of the first original base band (1) is 2-4: 15-60;
and/or the folding groove (111) is a V-shaped groove, and the opening angle of the folding groove (111) is 60 degrees, 90 degrees or 120 degrees.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920991399.2U CN210727220U (en) | 2019-06-27 | 2019-06-27 | Honeycomb bionic core plate with folding groove opening |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920991399.2U CN210727220U (en) | 2019-06-27 | 2019-06-27 | Honeycomb bionic core plate with folding groove opening |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210727220U true CN210727220U (en) | 2020-06-12 |
Family
ID=70982034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920991399.2U Active CN210727220U (en) | 2019-06-27 | 2019-06-27 | Honeycomb bionic core plate with folding groove opening |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210727220U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112140640A (en) * | 2019-06-27 | 2020-12-29 | 中南林业科技大学 | Honeycomb bionic core plate with folded groove openings and manufacturing method thereof |
-
2019
- 2019-06-27 CN CN201920991399.2U patent/CN210727220U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112140640A (en) * | 2019-06-27 | 2020-12-29 | 中南林业科技大学 | Honeycomb bionic core plate with folded groove openings and manufacturing method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112140640A (en) | Honeycomb bionic core plate with folded groove openings and manufacturing method thereof | |
US3970497A (en) | End trim plywood process | |
RU2608088C2 (en) | Inner layer containing zigzag wood elements and multilayer composite containing inner layer | |
US10202799B2 (en) | Double backbone core for automated door assembly line, door comprising same and method of using same | |
US20030221387A1 (en) | Laminated indoor flooring board and method of making same | |
CN109591386B (en) | Reinforcing rib staggered honeycomb core plate and manufacturing method thereof | |
JP2019507260A (en) | Lightweight building board with wavy elements | |
CN210727220U (en) | Honeycomb bionic core plate with folding groove opening | |
US6890398B2 (en) | Method of making structural cellular cores suitable to use of wood | |
CN109676706A (en) | A kind of plate and board making technique | |
JP4279273B2 (en) | Decorative material and method for producing flooring or upholstery using this decorative material | |
CN107867013A (en) | Improve the honeycomb core plate and its forming method of hexagonal structure | |
KR101421682B1 (en) | Furniture board and manufacturing process of the same | |
CN107867014A (en) | The honeycomb core plate and its forming method of hexagonal structure | |
JP4699627B2 (en) | Glulam production method and glulam formed by this production method | |
CN208396217U (en) | A kind of solid wooden compound floor matrix structure | |
CN221963477U (en) | Composite edge sealing chopping board | |
JP2010042570A (en) | Stretchable woody structure and flush panel using the woody structure as core material | |
JP5130108B2 (en) | Manufacturing method of building panel material | |
CN209837578U (en) | Solid wood floor | |
CN113524852A (en) | Edge-sealed reinforced vertical staggered lamination corrugated sandwich composite board and manufacturing method thereof | |
JP5363273B2 (en) | Stretchable structure and flash panel using the structure as a core material | |
CN203755592U (en) | Reinforced decoration plate | |
CN214606341U (en) | Plywood with composite multilayer structure | |
CN219153188U (en) | Shearing method symmetrical hollow-core substrate wood board |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |