CN108501496A - The preparation method of lattice structure - Google Patents
The preparation method of lattice structure Download PDFInfo
- Publication number
- CN108501496A CN108501496A CN201810111647.XA CN201810111647A CN108501496A CN 108501496 A CN108501496 A CN 108501496A CN 201810111647 A CN201810111647 A CN 201810111647A CN 108501496 A CN108501496 A CN 108501496A
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- Prior art keywords
- foil
- lattice structure
- fragment
- paillon
- preparation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0028—Stretching, elongating
Abstract
The invention belongs to lattice structure technical fields, are to be related to a kind of preparation method of lattice structure more specifically.Net foil forms alternate gluing row and blank column in the node of array distribution, it is coated with adhesive in the glue-applying point of net foil wherein one side, net foil is cut into multiple foil fragments, foil fragment is laminated, the glue-applying point of each foil fragment and the blank spot of another foil fragment is set to correspond mutually be bonded, so that adhesive is cured by hot pressing and form folded block, cut and fold block formation cutting rod, cutting rod, which is stretched expansion, forms lattice structure.The preparation method technique of the lattice structure is simpler, and production efficiency is high, and lattice structure consistency is preferable, to manufacture mold without such as prior art to produce lattice structure.
Description
Technical field
The invention belongs to lattice structure technical fields, are to be related to a kind of preparation method of lattice structure more specifically.
Background technology
In recent years, light metal foaming structure and honeycomb have been applied to aerospace field, and lattice structure has
Ultra light-weight, specific strength, specific stiffness are significantly larger than honeycomb, therefore can with higher efficiency substitute honeycomb.Dot matrix knot
Structure material is currently to think the advanced lightweight of most promising a new generation, superpower tough material in the world, has good application prospect.
At present in the world, lattice structure mainly uses two kinds of preparation methods：1) investment casting.First single layer is made with polyester
Single layer structure is overlapped into space lattice structure by structural arrangement mode, is with polymer by the polyester sacrificial mold with location hole
Sacrificial mold prepares sand mo(u)ld, and polymer melts decomposition under high temperature, and dot matrix space is formed in sand mo(u)ld.The metal of high-temperature fusion shape is molten
Liquid is slowly injected into sand mo(u)ld and is taken out metal lattice structure by sand mold breakdown after cooling.Using the method to fused solution metal
Mobility has higher requirement, is only limitted to the non-ferrous casting alloy with high fluidity.Also, this method technological process is extremely
Complexity needs to manufacture mold, of high cost, and easy tos produce defect.2) Punch-shaping method.Referring to Fig. 1, it is more to prepare plane first
Hole reticular structure, then reticular structure is folded into three-dimensional ripple struction 201 by V-type mould punching, finally by three-dimensional ripple knot
Structure 201 is laminated, and node weld or splicing are at lattice structure 200.The method will be subjected to more violent flexural deformation, be suitable only for
Material with high ductibility.Also, three-dimensional 201 node layer overlay of ripple struction connects relative difficulty together, and low production efficiency is difficult
To form automated production.
Invention content
The purpose of the present invention is to provide a kind of preparation methods of lattice structure, and lattice structure is made to solve the prior art
When complex process, need manufacture mold, low production efficiency the technical issues of.
To achieve the above object, the technical solution adopted by the present invention is：A kind of preparation method of lattice structure is provided, including
Following steps：
S10 net foil) is provided, the net foil has the node in array distribution, and all nodes, which are formed, to be handed over
For the gluing row and blank column of distribution, the node is divided into the glue-applying point arranged positioned at the gluing and the sky positioned at the blank column
White point, the glue-applying point positioned at the same gluing row are staggered with the blank spot positioned at the same blank column；
S20) adhesive is coated in the glue-applying point of the net foil wherein one side；
S30 the net foil) is cut into multiple foil fragments, the foil fragment is divided into the first paillon and the second paillon,
The edge of first paillon and the edge of second paillon align, and the glue-applying point of first paillon and described second
The blank spot one-to-one correspondence of paillon aligns, and the blank spot of first paillon and the glue-applying point one of second paillon are a pair of
It should align；
S40) that first paillon and second paillon is alternately laminated so that each foil fragment is coated with adhesive
Fit in another foil fragment be not coated with adhesive while, and wherein one in the two neighboring foil fragment
The glue-applying point of a foil fragment corresponds mutually be bonded with the blank spot of foil fragment described in another；
S50) by the foil fragment hot pressing of stacking so that adhesive cures, and the foil fragment of stacking forms folded block；
S60) the cutting rod for being cut to predetermine sizes the folded block；
S70 the cutting rod) is stretched into expansion along the stacking direction of the foil fragment and forms lattice structure.
Further, in step S10) in, the net foil passes through ultrasonic cleaning.
Further, the power of the ultrasonic wave is 0.75KW, frequency 50MHz, cleaning speed 23m/min.
Further, in step S10) in, the net foil passes through anodization.
Further, in step S20) in, the adhesive is J-71 glue.
Further, in step S50) in, using hot press by the foil fragment hot pressing of stacking so that adhesive is solid
Change, the foil fragment of stacking forms folded block.
Further, in step S50) in, hot pressing elder generation precompressed pressurize again；When temperature reaches 80 DEG C, by stacking
The foil fragment is put into hot press；When temperature reaches 180 to 195 DEG C, kept for 2 to 3 hours.
Further, in step S70) in, the cutting rod is fixed on along the both ends of the stacking direction of the foil fragment
The cutting rod is stretched expansion and forms lattice structure by hydraulic tensioner.
The present invention having the technical effect that compared with the existing technology：Net foil forms alternate painting in the node of array distribution
Glue arranges and blank column, is coated with adhesive in the glue-applying point of net foil wherein one side, net foil is cut into multiple foil fragments,
Foil fragment is laminated, so that the glue-applying point of each foil fragment is corresponded with the blank spot of another foil fragment mutually be bonded, passes through
Hot pressing makes adhesive cure and forms folded block, cuts and folds block formation cutting rod, and cutting rod, which is stretched expansion, forms lattice structure.It should
The preparation method technique of lattice structure is simpler, and production efficiency is high, and lattice structure consistency is preferable, is wanted without such as prior art
Mold is manufactured to produce lattice structure.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the schematic diagram of the preparation method of lattice structure in the prior art；
Fig. 2 (a), Fig. 2 (b) are respectively that the first paillon in the preparation method of lattice structure provided in an embodiment of the present invention applies
If adhesive, the second paillon are coated with the schematic diagram of adhesive；
Fig. 3 be lattice structure provided in an embodiment of the present invention preparation method in folded block is cut into the signal of cutting rod
Figure；
Fig. 4 is the schematic diagram of lattice structure prepared by the preparation method of lattice structure provided in an embodiment of the present invention.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Please see Fig. 2 to Fig. 4, the preparation process of lattice structure provided by the invention, includes the following steps：
S10 net foil) is provided, net foil has the node in array distribution, and all nodes form alternatively distributed
Gluing row 11 and blank column 12, node are divided into the glue-applying point 111 positioned at gluing row 11 and the blank spot 121 positioned at blank column 12,
Glue-applying point 111 positioned at same gluing row 11 is staggered with the blank spot 121 positioned at same blank column 12；
S20 it) is coated with adhesive 20 in the glue-applying point 111 of net foil wherein one side, the blank spot 121 of net foil does not have to
It is coated with adhesive, i.e., the interval coating adhesive 20 at the node of net foil wherein one side；
S30 Fig. 2 (a), Fig. 2 (b)) are please referred to, net foil is cut into multiple foil fragments, foil fragment is divided into the first paillon
10a and the second paillon 10b, the edge of the first paillon 10a and the edge of the second paillon 10b align, and the painting of the first paillon 10a
The one-to-one correspondence of blank spot 121 of glue point 111 and the second paillon 10b aligns, and the blank spot 121 and second of the first paillon 10a
The one-to-one correspondence of glue-applying point 111 of paillon 10b aligns；
S40) that the first paillon 10a and the second paillon 10b is alternately laminated so that each foil fragment is coated with the one of adhesive 20
Face fits in the one side that another foil fragment is not coated with adhesive 20, and foil fragment one of in two neighboring foil fragment
Glue-applying point 111 corresponds mutually be bonded with the blank spot 121 of another foil fragment；It is sufficiently thick to be formed by multiple foil fragments
The stepped construction of degree.
S50) by the foil fragment hot pressing of stacking so that adhesive 20 cures, and the foil fragment of stacking forms folded block 100；
S60) the cutting rod 100a for being cut to predetermine sizes folded block 100 (shown in Fig. 3)；It is required according to size, along vertical
Folded block 100 is directly cut into the identical cutting rod 100a of multiple sizes in the direction for constituting the foil fragment for folding block 100；
S70 cutting rod 100a) is stretched into expansion along the stacking direction of foil fragment and forms lattice structure (shown in Fig. 4).
Please see Fig. 2 to Fig. 4, net foil forms alternate gluing row 11 and blank column 12 in the node of array distribution,
It is coated with adhesive 20 in the glue-applying point 111 of net foil wherein one side, net foil is cut into multiple foil fragments, by foil fragment
Stacking makes the glue-applying point 111 of each foil fragment be corresponded with the blank spot 121 of another foil fragment mutually be bonded, passes through heat
Pressure makes adhesive 20 cure and forms folded block 100, cuts and folds the formation cutting rod 100a of block 100, cutting rod 100a is stretched expansion
Form lattice structure.The preparation method technique of the lattice structure is simpler, and production efficiency is high, and lattice structure consistency is preferable,
Mold is manufactured without such as prior art to produce lattice structure.
Each gluing row 11 are mutually parallel with each blank column 12, and gluing row 11 are alternately distributed with blank column 12.Gluing arranges
11 direction is vertical with the length direction of net foil.The direction of blank column 12 is vertical with the length direction of net foil.So that
Prepared lattice structure is in rectangular parallelepiped structure.
In step S30) in, using cutter perpendicular to the length direction of net foil, net foil is cut into multi-disc tool
There is the foil fragment of equal length.Net foil is rectangular, and foil fragment is rectangular, cuts four sides pair of each foil fragment of formation
Together.In two neighboring foil fragment, the glue-applying point 111 of one of foil fragment is just relative to the blank of another foil fragment
Point 121 so that all foil fragments can be mutually bonded, in stretcher strain each foil fragment can effective stretcher strain, formed
Complete lattice structure.
The ductility of net foil is preferable, can select aluminium alloy, stainless steel etc..The reticular structure of net foil can be
The Cellular structure of diamond shape or other shapes, later stage formed lattice structure is different.In the present embodiment, the netted knot of net foil
Structure assumes diamond in shape, and has four linking arms at each node.
Further, a kind of specific implementation mode as the preparation method of lattice structure provided by the invention, in step
S10 in), net foil passes through ultrasonic cleaning.Ultrasonic cleaning is the cavitation using ultrasonic wave to net foil surface
On dirt hit, removed, reach cleaning purpose.Ultrasonic cleaning cleaning degree is high, and cleaning speed is fast.
Further, a kind of specific implementation mode as the preparation method of lattice structure provided by the invention, ultrasonic wave
Power be 0.75KW, frequency 50MHz, cleaning speed 23m/min.The technological parameter can effectively to net foil surface into
Row cleaning, prepares to be coated with adhesive.
Further, a kind of specific implementation mode as the preparation method of lattice structure provided by the invention, in step
S10 in), net foil passes through anodization.Anodization refers to net foil in electrolyte solution, by applying sun outside
Electrode current makes its surface form oxidation film.Net foil after surface anodization is handled, corrosion resistance, hardness, wearability, absolutely
Edge, heat resistance etc. are improved largely.
Further, a kind of specific implementation mode as the preparation method of lattice structure provided by the invention, in step
S20 in), adhesive 20 is J-71 glue.J-71 glue adhesiving effect is good, is easy solidification, two neighboring foil fragment is made mutually to be bonded.
Further, a kind of specific implementation mode as the preparation method of lattice structure provided by the invention, in step
S50 in), using hot press by the foil fragment hot pressing of stacking so that adhesive 20 cures, and the foil fragment of stacking forms folded block 100.
The program is convenient for control temperature and pressure so that the foil fragment of multiple stackings forms folded block 100.
Further, a kind of specific implementation mode as the preparation method of lattice structure provided by the invention, in step
S50 in), hot pressing elder generation precompressed pressurize again；When temperature reaches 80 DEG C or so, the foil fragment of stacking is put into hot press；When
When temperature reaches 180 to 195 DEG C, kept for 2 to 3 hours.The lattice structure consistency that the process is formed is preferable, structure size
Stablize.
Further, a kind of specific implementation mode as the preparation method of lattice structure provided by the invention, in step
S70 in), cutting rod 100a is fixed on hydraulic tensioner along the both ends of the stacking direction of foil fragment, cutting rod 100a is stretched
Expansion forms lattice structure.Hydraulic tensioner is easy to control, and lattice structure is formed convenient for cutting rod 100a stretch.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.
Claims (8)
1. the preparation method of lattice structure, which is characterized in that include the following steps：
S10 net foil) is provided, there is the net foil node in array distribution, all nodes to form alternating point
The gluing of cloth arranges and blank column, and the node is divided into the glue-applying point arranged positioned at the gluing and the blank positioned at the blank column
Point, the glue-applying point positioned at the same gluing row are staggered with the blank spot positioned at the same blank column；
S20) adhesive is coated in the glue-applying point of the net foil wherein one side；
S30 the net foil) is cut into multiple foil fragments, the foil fragment is divided into the first paillon and the second paillon, described
The edge of first paillon and the edge of second paillon align, and the glue-applying point of first paillon and second paillon
Blank spot one-to-one correspondence align, and the glue-applying point one-to-one correspondence phase of the blank spot of first paillon and second paillon
Alignment；
S40) that first paillon and second paillon is alternately laminated so that each foil fragment is coated with the one of adhesive
Face fits in the one side that another foil fragment is not coated with adhesive, and institute one of in the two neighboring foil fragment
The blank spot one-to-one correspondence of the glue-applying point and foil fragment described in another of stating foil fragment is mutually be bonded；
S50) by the foil fragment hot pressing of stacking so that adhesive cures, and the foil fragment of stacking forms folded block；
S60) the cutting rod for being cut to predetermine sizes the folded block；
S70 the cutting rod) is stretched into expansion along the stacking direction of the foil fragment and forms lattice structure.
2. the preparation method of lattice structure as described in claim 1, which is characterized in that in step S10) in, the netted foil
Piece passes through ultrasonic cleaning.
3. the preparation method of lattice structure as claimed in claim 2, which is characterized in that the power of the ultrasonic wave is
0.75KW, frequency 50MHz, cleaning speed 23m/min.
4. the preparation method of lattice structure as described in claim 1, which is characterized in that in step S10) in, the netted foil
Piece passes through anodization.
5. the preparation method of lattice structure as described in claim 1, which is characterized in that in step S20) in, the adhesive
For J-71 glue.
6. such as the preparation method of lattice structure described in any one of claim 1 to 5, which is characterized in that in step S50) in, it adopts
With hot press by the foil fragment hot pressing of stacking so that adhesive cures, and the foil fragment of stacking forms folded block.
7. the preparation method of lattice structure as claimed in claim 6, which is characterized in that in step S50) in, hot pressing is first
Precompressed pressurize again；When temperature reaches 80 DEG C, the foil fragment of stacking is put into hot press；When temperature reaches 180 to 195 DEG C
When, it is kept for 2 to 3 hours.
8. such as the preparation method of lattice structure described in any one of claim 1 to 5, which is characterized in that in step S70) in, it will
The cutting rod is fixed on hydraulic tensioner along the both ends of the stacking direction of the foil fragment, and the cutting rod is stretched expansion shape
At lattice structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111647.XA CN108501496B (en) | 2018-02-05 | 2018-02-05 | The preparation method of lattice structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111647.XA CN108501496B (en) | 2018-02-05 | 2018-02-05 | The preparation method of lattice structure |
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| Publication Number | Publication Date |
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| CN108501496A true CN108501496A (en) | 2018-09-07 |
| CN108501496B CN108501496B (en) | 2019-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570682A (en) * | 2020-05-21 | 2020-08-25 | 重庆纳提斯科技有限公司 | Three-dimensional lattice structure wound by continuous wires |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527205A (en) * | 2014-12-26 | 2015-04-22 | 佛山市华瑞蜂窝科技有限公司 | Method for manufacturing aluminum honeycomb core |
| CN105033188A (en) * | 2015-05-22 | 2015-11-11 | 中国科学院固体物理研究所 | Aluminum-based dot matrix material based on 3D printing technology and preparation method thereof |
| CN107084309A (en) * | 2017-04-10 | 2017-08-22 | 东南大学 | A kind of dot matrix foamed filler body Sandwich structure |
| CN107100268A (en) * | 2017-04-10 | 2017-08-29 | 东南大学 | A kind of space lattice material based on curved bar cell element |
-
2018
- 2018-02-05 CN CN201810111647.XA patent/CN108501496B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527205A (en) * | 2014-12-26 | 2015-04-22 | 佛山市华瑞蜂窝科技有限公司 | Method for manufacturing aluminum honeycomb core |
| CN105033188A (en) * | 2015-05-22 | 2015-11-11 | 中国科学院固体物理研究所 | Aluminum-based dot matrix material based on 3D printing technology and preparation method thereof |
| CN107084309A (en) * | 2017-04-10 | 2017-08-22 | 东南大学 | A kind of dot matrix foamed filler body Sandwich structure |
| CN107100268A (en) * | 2017-04-10 | 2017-08-29 | 东南大学 | A kind of space lattice material based on curved bar cell element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570682A (en) * | 2020-05-21 | 2020-08-25 | 重庆纳提斯科技有限公司 | Three-dimensional lattice structure wound by continuous wires |
| CN111570682B (en) * | 2020-05-21 | 2021-04-13 | 重庆纳提斯科技有限公司 | Three-dimensional lattice structure wound by continuous wires |
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| CN108501496B (en) | 2019-09-06 |
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Denomination of invention: Preparation method of lattice structure Effective date of registration: 20220705 Granted publication date: 20190906 Pledgee: SHENZHEN RURAL COMMERCIAL BANK CO.,LTD. Pledgor: SHENZHEN CANSINGA TECHNOLOGY Co.,Ltd. Registration number: Y2022980009899 |
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