CN106378894A - Gecko-imitated dry adhesion surface, product with gecko-imitated dry adhesion surface and manufacturing method of product - Google Patents
Gecko-imitated dry adhesion surface, product with gecko-imitated dry adhesion surface and manufacturing method of product Download PDFInfo
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- CN106378894A CN106378894A CN201610814142.0A CN201610814142A CN106378894A CN 106378894 A CN106378894 A CN 106378894A CN 201610814142 A CN201610814142 A CN 201610814142A CN 106378894 A CN106378894 A CN 106378894A
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- Prior art keywords
- dry
- gekko swinhonis
- wedge
- elastic wedge
- imitative
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/021—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles by casting in several steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/008—Gripping heads and other end effectors with sticking, gluing or adhesive means
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
Abstract
The invention discloses a gecko-imitated dry adhesion surface, a product with the gecko-imitated dry adhesion surface and a manufacturing method of the product. The gecko-imitated dry adhesion surface comprises a wedge-shaped structural array, wherein the wedge-shaped structural array comprises a plurality of elastic wedge-shaped structural units which are arranged according to the concentric circle, each elastic wedge-shaped structural unit is provided with an adhesion end and a connecting end, a deformation groove is formed between every two adjacent elastic wedge-shaped structural units, every two adjacent adhesion ends are spaced by the corresponding deformation groove, every two adjacent connecting ends are connected, and in the radial direction of the elastic wedge-shaped structural units, one of the outer side face and the inner side face of each elastic wedge-shaped structural unit forms an annular vertical face extending in the axial direction of the elastic wedge-shaped structural unit, and the other one of the outer side face and the inner side face of each elastic wedge-shaped structural unit forms an annular inclined face extending in the axial direction of the elastic wedge-shaped structural unit in an inclined manner. The gecko-imitated dry adhesion surface has the good adhesion/friction opposite properties, can be used for picking up, transferring and releasing heavy objects and has the beneficial effects of being simple in structure, easy to prepare, low in cost and the like.
Description
Technical field
The present invention relates to accurate and Ultraprecision Machining field, more particularly, to a kind of imitative Gekko Swinhonis dry stick surface,
There is its product and preparation method thereof.
Background technology
Many hierarchical organizations that Gekko Swinhonis pass through the continuous subdivision of toe bottom can be realized and the most of body surface of surrounding between
Stick, and the experiment of Kellar Autumn et al. demonstrate this adhesive force main source be in nature extensively
The Van der Waals force existing, this also theoretically illustrates that there is wide range of application on the imitative dry surface of sticking of Gekko Swinhonis.Since Geim is with gathering
Acid imide has been prepared since fibrous array imitates that Gekko Swinhonis are dry and stick surface first, and the preparation work of bionic surface has obtained considerable
Development.
At present, the dry preparation method sticking surface of imitative Gekko Swinhonis mainly includes：Micro-nano placingJi Shu, will macromolecular material
It is poured in the template of micro-nano process technology preparation, thus separating, imitative Gekko Swinhonis are dry to stick surface；Vapor phase growth techniques, mainly
Prepare carbon nano pipe array with chemical vapor deposition (CVD), thus obtaining that imitative Gekko Swinhonis are dry sticks surface.
But, because the reasons such as high cost, the few, complex operation of yield hinder, imitative Gekko Swinhonis are dry to be sticked both technologies of preparing
The commercialization process on surface.
Content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this reason, the present invention carries
Gone out that a kind of imitative Gekko Swinhonis are dry to stick surface, described imitative Gekko Swinhonis are dry stick surface have good stick/rub anisotropic, permissible
It is used for picking up, shifting, discharging weight, and have the advantages that structure is simple, easily prepared, with low cost.
Further object is that proposing a kind of dry manufacture method sticking surface of imitative Gekko Swinhonis.
The invention allows for a kind of have the dry product sticking surface of above-mentioned imitative Gekko Swinhonis.
Imitative Gekko Swinhonis according to embodiments of the present invention are dry to stick surface, including：Wedge structure array, described wedge structure array
Including the multiple elastic wedge construction units by arranged in concentric circles, each described elastic wedge construction unit has to stick to be held and connects
Connect end, between two neighboring described elastic wedge construction unit, form deformation groove, two neighboring end of sticking is deformed between groove by described
Separate, two neighboring described connection end is connected, along described elastic wedge construction unit radially, each described elastic wedge
One of them in the lateral surface and medial surface of construction unit is formed as axially extended along described elastic wedge construction unit
Annular vertical face and another is formed as the annular inclined plane of the axially inclined extension along described elastic wedge construction unit.
Imitative Gekko Swinhonis according to embodiments of the present invention are dry to stick surface, has and good sticks/rub anisotropic, Ke Yiyong
To pick up, to shift, to discharge weight, and to have the advantages that structure is simple, easily prepared, with low cost.
In addition, the dry surface of sticking of imitative Gekko Swinhonis according to the above embodiment of the present invention can also have the technology spy adding as follows
Levy：
According to some embodiments of the present invention, described wedge structure array includes multiple, multiple described wedge structure arrays
By arranged in concentric circles and be spaced apart setting.
Alternatively, pass through plane between two neighboring described wedge structure array to be connected.
According to some embodiments of the present invention, two adjacent described annular vertical faces are in described elastic wedge construction unit
Radially apart from D be 10 μm -1000 μm, described annular inclined plane and described annular vertical face between angle α be 10 ° -
85°.
According to some embodiments of the present invention, described elastic wedge construction unit is made using rubber or silica gel.
The dry manufacture method sticking surface of imitative Gekko Swinhonis according to embodiments of the present invention, comprises the following steps：S1：Ultraprecise machine
Tool processing and fabricating mould, the die cavity of described mould has the wedge structure unit complementary with described elastic wedge construction unit
Groove；S2：Liquid macroimolecule polymer is poured in described die cavity and described wedge structure unit groove and solidifies；S3：To consolidate
The high molecular polymer changed is separated with described mould, and to obtain, described imitative Gekko Swinhonis are dry to stick surface.
The dry manufacture method sticking surface of imitative Gekko Swinhonis according to embodiments of the present invention, in theory this mould can unlimited make
With thus reducing the dry cost of manufacture sticking surface of imitative Gekko Swinhonis, and preparation process is simple, easily operated.
According to some embodiments of the present invention, in described step S1, described ultraprecise machining be ultra precision cutting,
At least one in ultraprecise milling and superfine grinding.
Alternatively, when described ultraprecise machining is ultra precision cutting, mould is made using V-arrangement diamond cutter.
Alternatively, described elastic wedge construction unit is made using polydimethylsiloxane.
Product according to embodiments of the present invention, at least a portion on the surface of described product is formed as above-mentioned according to the present invention
The imitative Gekko Swinhonis of embodiment are dry to stick surface.
Product according to embodiments of the present invention, surface can have good sticks/rubs anisotropic.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description
The dry structural representation sticking surface of imitative Gekko Swinhonis that Fig. 1 is according to embodiments of the present invention；
Fig. 2 is the profile in the line A-A direction along along Fig. 1；
Fig. 3 is the enlarged drawing in the B portion that Fig. 2 centre circle shows；
The flow chart of the dry manufacture method sticking surface of imitative Gekko Swinhonis that Fig. 4 is according to embodiments of the present invention；
The dry preparation process schematic diagram sticking surface of imitative Gekko Swinhonis that Fig. 5 is according to embodiments of the present invention；
The enlarged drawing in the C portion that Fig. 6 Fig. 5 centre circle shows；
Fig. 7 is the dry Adhesion property test result figure sticking surface of imitative Gekko Swinhonis according to one example of the present invention；
Fig. 8 is the dry frictional behaviour test result figure sticking surface of imitative Gekko Swinhonis according to one example of the present invention.
Reference：
100：Imitative Gekko Swinhonis are dry to stick surface；
1：Wedge structure array；2：Elastic wedge construction unit；3：Stick end；4：Connection end；5：Deformation groove；6：Annular is perpendicular
Face directly；7：Annular inclined plane；
200：Mould；20：Wedge structure unit groove；201：Inclined-plane；202：Vertical plane；300；High molecular polymer.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain can be changed to above-described embodiment within the scope of the invention, change, replacing and modification.
In describing the invention it is to be understood that term " " center ", " length ", " width ", " thickness ", " on ",
The orientation of instruction or the position such as D score, " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axial ", " radially ", " circumferential "
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, rather than refers to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only table
Show that fisrt feature level height is higher than second feature.
Describe that imitative Gekko Swinhonis according to embodiments of the present invention are dry to stick surface 100 below in conjunction with the accompanying drawings in detail.
Shown in reference picture 1- Fig. 3, the dry surface 100 of sticking of imitative Gekko Swinhonis according to embodiments of the present invention can include wedge structure
Array 1, wedge structure array 1 can include the multiple elastic wedge construction units 2 by arranged in concentric circles, and each elastic wedge is tied
Structure unit 2 can have to stick holds 3 and connection end 4, can form deformation groove 5 between two neighboring elastic wedge construction unit 2,
Two neighboring end 3 of sticking is spaced apart by deformation groove 5, and two neighboring connection end 4 is connected.That is, in two adjacent elasticity
In wedge structure unit 2, two neighboring connection end 4 is connected, and two neighboring end 3 of sticking is spaced apart, with two neighboring bullet
Property wedge structure unit 2 between form deformation groove 5, sticking end 3 can occur elastic deformation to a certain extent, and deformation groove 5 can
To accommodate the deformation sticking end 3.
Along elastic wedge unit 2 radially, one of the lateral surface of each elastic wedge unit 2 and medial surface shape
Become the axially extended annular vertical face 6 along elastic wedge construction unit 2, and another can be formed as along elastic wedge
The annular inclined plane 7 of the axially inclined extension of construction unit 2.For example, in example as shown in Figure 1-Figure 3, along resilient wedge
Radially, the lateral surface of each elastic wedge construction unit 2 and medial surface can be respectively formed as along its axle shape construction unit 2
To the annular vertical face 6 extending and the annular inclined plane 7 along its axially inclined extension.That is, elastic wedge construction unit 2
Lateral surface can be for facing directly, medial surface can be obliquely installed, or, the medial surface of elastic wedge construction unit 2 can be for facing directly, outward
Side can be obliquely installed, that is, imitate the dry surface 100 of sticking of Gekko Swinhonis and have continuous, deformable wedge structure, not only structure letter
Single, and easily prepared, and with low cost, such that it is able to make, imitative Gekko Swinhonis are dry to stick tool when surface 100 is interacted with other planes
Have and good stick/rub anisotropic.
Specifically, when imitative Gekko Swinhonis are dry stick surface 100 and a plane contact and slide when：If tilted along annular
The direction slip elastic wedge construction unit 2 in face 7, now holds 3 elastic deformation can occur sticking of elastic wedge construction unit 2,
Annular inclined plane 7 can run-off the straight, the actual distance that contacts between annular inclined plane 7 and plane increases, total Van der Waals force meeting
Become big, frictional force therebetween can become big, thus the imitative dry adhesive force sticking between surface 100 and plane of Gekko Swinhonis can become strong；
If along the direction slip elastic wedge construction unit 2 in annular vertical face 6, the end 3 of sticking of elastic wedge construction unit 2 can be with
There is serious extruding in plane, the dry gravitation sticking between surface 100 and plane of imitative Gekko Swinhonis is by the bullet of elastic wedge construction unit 2
Property deformation offset, frictional force therebetween can diminish, thus imitate the dry adhesive force sticking between surface 100 and plane of Gekko Swinhonis
Reduce.
That is, when along the direction slip elastic wedge construction unit 2 of annular inclined plane 7, imitative Gekko Swinhonis are dry to be sticked
Surface 100 can produce strong adhesion；And when along the direction slip elastic wedge construction unit 2 in annular vertical face 6, imitate
Gekko Swinhonis are dry stick surface 100 generation adhesion weaker.
Thus, it is possible to be to pick up, shift and discharge weight offer thinking using the dry surface 100 of sticking of imitative Gekko Swinhonis.For example, exist
When pickup and transfer weight, dry for the imitative Gekko Swinhonis annular inclined plane 7 sticking surface 100 can be sticked along the Impact direction of weight
So that elastic wedge construction unit 2 occurs elastic deformation on the surface of weight, the imitative Gekko Swinhonis of enhancing are dry to stick surface 100 and weight
Adhesive force between thing surface, such that it is able to picking up and shifting weight, and when discharging weight, only need to stick table by dry for imitative Gekko Swinhonis
The annular vertical face 6 in face 100 is along the Impact direction of weight, you can reduce imitative Gekko Swinhonis dry stick surface 100 and weight surface it
Between adhesive force, such that it is able to easily weight be discharged.
Imitative Gekko Swinhonis according to embodiments of the present invention are dry to stick surface 100, by arranging multiple elasticity by arranged in concentric circles
Wedge structure unit 2, using stick end 3 and connection end 4 is formed between two adjacent elastic wedge construction units 2 deform groove
5, and one of them in the lateral surface and medial surface of each elastic wedge construction unit 2 is formed as along its axially extended ring
Shape vertical plane 6, and another is formed as the annular inclined plane 7 along its axially inclined extension, thus tilting along annular
During the direction slip elastic wedge construction unit 2 in face 7, the dry surface 100 of sticking of imitative Gekko Swinhonis can produce strong adhesion, and suitable
Annular vertical face 6 direction slip elastic wedge construction unit 2 when, imitative Gekko Swinhonis are dry to stick the adhesion of surface 100 generation
Weaker so that imitative Gekko Swinhonis dry stick surface 100 have good stick/rub anisotropic, can be used to pick up, shift, release
Put weight, and have the advantages that structure is simple, easily prepared, with low cost.
According to some embodiments of the present invention, as shown in Figure 1-Figure 3, wedge structure array 1 can include multiple, multiple wedges
Shape array of structures 1 is pressed arranged in concentric circles and is spaced apart setting.That is, imitative Gekko Swinhonis dry stick surface 100 can include multiple
Radially distributed and wedge structure array 1 circumferentially, such that it is able to further enhance the dry surface 100 of sticking of imitative Gekko Swinhonis
Adhering capacity so that imitative Gekko Swinhonis dry stick have when surface 100 interacts with other planes that more excellent to stick/rub items different
Property.
Alternatively, can be connected by plane between two adjacent wedge structure arrays 1, thus not only can conveniently add
Work, and beneficial to the annular vertical face 6 distinguishing elastic wedge construction unit 2 and annular inclined plane 7, be easy to identification and stick by force direction
Stick direction, convenient use with weak.
According to some embodiments of the present invention, as shown in figure 3, adjacent two annular vertical faces 6 are in elastic wedge structure
Unit 2 radially can be 10 μm -1000 μm apart from D, the angle α between annular inclined plane 7 and annular vertical face 6 can be
10°-85°.That is, the distance between adjacent two annular vertical faces 6 D can between 10 μm -1000 μm value, ring
Angle between shape inclined plane 7 and annular vertical face 6 can be the arbitrary value between 10 ° -85 °.For example, two adjacent annulars
The distance between vertical plane 6 D can be 100 μm, and the angle between annular inclined plane 7 and annular vertical face 6 can be 60 °.
Thus, it is possible to ensure that elastic wedge construction unit 2 has necessarily elasticity and can send out in friction so that sticking end 3
Raw elastic deformation, enable imitative Gekko Swinhonis dry stick surface 100 possess stick, rub anisotropic, and can effectively reduce imitative
The dry manufacture difficulty sticking surface 100 of Gekko Swinhonis, improves make efficiency, beneficial to the imitative dry surface 100 of sticking of Gekko Swinhonis of promotion in engineering
Application.
Alternatively, elastic wedge construction unit 2 can be made using rubber or silica gel, with low cost it is easy to preparation, and
The elastic wedge construction unit 2 being made up of rubber and silica gel has reliable Adhesion property when using, can improve pickup and
Reliability during transfer weight.
The flow chart that Fig. 4 shows the dry manufacture method sticking surface of imitative Gekko Swinhonis according to embodiments of the present invention, this making
Method can be used for making that imitative Gekko Swinhonis according to the above embodiment of the present invention are dry to stick surface 100.
As shown in figure 4, the dry manufacture method sticking surface of imitative Gekko Swinhonis according to embodiments of the present invention can include following walking
Suddenly：S1：Ultraprecise machining makes mould, and the die cavity of mould has the wedge structure complementary with elastic wedge construction unit
Unit groove, such that it is able to be imitated by Mold Making, Gekko Swinhonis are dry to stick surface.S2：By liquid macroimolecule polymer be poured into die cavity with
And in wedge structure unit groove and solidify, thus the high molecular polymer after solidification can have deformation groove.S3：Height by solidification
Molecularly Imprinted Polymer is separated with mould, and to obtain, imitative Gekko Swinhonis are dry sticks surface.
Fig. 6 illustrates the dry preparation process sticking surface of imitative Gekko Swinhonis.As shown in fig. 6, processing mold 200 first, then
Liquid macroimolecule polymer 300 is poured in die cavity, after high molecular polymer 300 solidification, the demoulding can be obtained by imitative wall
Tiger is dry to stick surface 100.
Wherein, as shown in fig. 6, wedge structure unit groove 20 is had on the die cavity of mould 200, wedge structure unit groove 20 with
Deformation groove 5 is complementary.Specifically, wedge structure unit groove 20 can be by inclined-plane 201 and the vertical plane 202 being connected with inclined-plane 201 structure
Become, the bottom on inclined-plane 201 is connected with the bottom of vertical plane 202, and inclined-plane 201 tilts upward extension away from vertical plane 202, from
And can be formed between inclined-plane 201 and vertical plane 202 and the wedge structure unit groove 20 deforming groove 5 complementation.
That is, first passing through ultraprecise machining to make mould so that having on the die cavity of mould and deformation groove
Complementary wedge structure unit groove, then liquid macroimolecule polymer is poured in die cavity and fills wedge structure unit groove,
Liquid macroimolecule polymer solidification after, can by solidification after high molecular polymer from mould separate, thus, isolate with
The surface that wedge structure unit groove is close to is exactly that imitative Gekko Swinhonis are dry sticks surface.
Thus, it is possible to being poured into a mould by simple high molecular polymer and separating, you can obtain imitate complementary with die surface
Gekko Swinhonis are dry to stick surface, and simply it is easy to operate, manufacturing process takes short, efficiency high to preparation process.
Meanwhile, mould can be prepared in the way of relying on ultraprecise machining, and mould is processed compared in correlation technique
Have the advantages that for micro-nano placingJi Shu and vapor phase growth techniques that error is little, roughness is little, such that it is able to mould is effectively ensured
The precision of tool, and then can ensure that the dry surface of sticking of imitative Gekko Swinhonis has higher precision it is ensured that prepared imitative Gekko Swinhonis are dry sticks table
Face has preferably sticks/rubs anisotropic.
In addition, theoretical mold can unlimited use, that is, after processing one set of die, can repeatedly be entered using this mould
The imitative dry making sticking surface of Gekko Swinhonis of row, such that it is able to reduce the dry processing cost sticking surface of imitative Gekko Swinhonis further, beneficial to reality
Now produce in batches, can promote that imitative Gekko Swinhonis are dry sticks application in engineering for the surface further.
The dry manufacture method sticking surface of imitative Gekko Swinhonis according to embodiments of the present invention, first passes through ultraprecise machining system
Make the mould that wedge-shaped slot is had on die cavity, then liquid macroimolecule polymer is poured in die cavity and wedge structure unit groove
And solidify, finally the high molecular polymer after solidification is separated with mould, can be obtained that imitative Gekko Swinhonis are dry to stick surface, thus not only
Reduce the dry cost of manufacture sticking surface of imitative Gekko Swinhonis, and preparation process is simple, easily operated, beneficial to realization batch production,
Can promote that imitative Gekko Swinhonis are dry sticks application in engineering for the surface.
According to some embodiments of the present invention, in step sl, ultraprecise machining can be ultra precision cutting, ultraprecise
At least one in milling and superfine grinding.That is, when making mould, ultra precision cutting, ultraprecise milling can be adopted
Cut or superfine grinding makes.Thus, it is possible to reduction mismachining tolerance, reduce the roughness of wedge-shaped slot, reduce such that it is able to effective
The dry error sticking surface of imitative Gekko Swinhonis, reduces the roughness of wedge-shaped slot, beneficial to imitative Gekko Swinhonis dry stick surface stick/rub items
The realization of the opposite sex.
Alternatively, when ultraprecise machining is ultra precision cutting, mould can be made using V-arrangement diamond cutter.Have
Research shows, can process the surface of intimate minute surface using V-arrangement diamond cutter cutting technology, can guarantee that submicron order simultaneously
Mismachining tolerance, and, the Fresnel with wedge structure unit groove can be produced using the natural diamond tool of V-arrangement
Lens die, and the roughness Ra ＜ 3.2nm on the wedge structure unit groove inclined-plane producing, so that by V-arrangement gold
Imitative Gekko Swinhonis that mould that diamond cutter is produced is obtained are dry stick surface to stick/rub anisotropic more excellent.
In some embodiments of the invention, elastic wedge construction unit can be made using polydimethylsiloxane.Change
Yan Zhi, can pass through cast using polydimethylsiloxane and be obtained that imitative Gekko Swinhonis are dry sticks surface.Polydimethylsiloxane low cost
Honest and clean, and there is good adhesion, the dry Adhering capacity sticking surface of imitative Gekko Swinhonis can be improved to a certain extent.
Fig. 7 shows that passing through the prepared dry surface of sticking of imitative Gekko Swinhonis of cast using polydimethylsiloxane carries in different normal direction
The rule changing with sliding distance along adhesive force when sliding on silicon chip in annular vertical face and annular inclined plane under lotus, Fig. 8
Show that the imitative Gekko Swinhonis being obtained by cast using polydimethylsiloxane are dry and stick surface under different normal loads along ring
The rule that when shape vertical plane and annular inclined plane are slided on silicon chip, frictional force changes with sliding distance, wherein, adjacent two
Individual annular vertical face is 50 μm in the distance radially of elastic wedge construction unit, between annular inclined plane and annular vertical face
Angle be 70 °.As shown in Figure 7 and Figure 8, along annular vertical face and annular inclined plane slide imitative Gekko Swinhonis are dry stick surface when,
The dry adhesion properties sticking surface and friction characteristic have obvious difference.
Product according to embodiments of the present invention, at least a portion on the surface of product can be formed as above-mentioned according to the present invention
The imitative Gekko Swinhonis of embodiment are dry to stick surface 100.
For example, product can be recyclable adhesive tape, and recyclable adhesive tape can be used for sticking between two article.Or, system
Product can be climbing robot climb pawl, climb pawl and can be attached on the walls such as wall, so that climbing robot can be in wall
On creep.
Certainly, product can also be the product that other needs are attached on surface to be sticked, in this regard, the present invention does not do having
Body limits.
Product according to embodiments of the present invention, by being set at least a portion on the surface of product according in the present invention
State embodiment imitative Gekko Swinhonis dry stick surface 100, the surface of product can be made to have and good to stick/rub anisotropic.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；It can be direct phase
Even it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals or the interaction pass of two elements
System, limits unless otherwise clear and definite.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
Language concrete meaning in the present invention.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " specific example " etc.
Description mean that specific features with reference to this embodiment or example description, structure, material or feature are contained in the present invention extremely
In a few embodiment or example.In this manual, identical is necessarily directed to the schematic representation of above-mentioned term
Embodiment or example.And, the specific features of description, structure, material or feature can in any one or more embodiments or
Combine in an appropriate manner in example.Additionally, in the case of not conflicting, this can be illustrated by those skilled in the art
The feature of the different embodiments described in book or example and different embodiment or example is combined and combines.
Claims (10)
1. a kind of imitative Gekko Swinhonis are dry sticks surface it is characterised in that including：Wedge structure array, described wedge structure array includes
By multiple elastic wedge construction units of arranged in concentric circles, each described elastic wedge construction unit has to stick to be held and connects
End, forms deformation groove between two neighboring described elastic wedge construction unit, two neighboring end of sticking is spaced by described deformation groove
Open, two neighboring described connection end is connected, along described elastic wedge construction unit radially, each described elastic wedge is tied
One of them in the lateral surface and medial surface of structure unit is formed as the axially extended ring along described elastic wedge construction unit
Shape vertical plane and another is formed as the annular inclined plane of the axially inclined extension along described elastic wedge construction unit.
2. imitative Gekko Swinhonis according to claim 1 dry stick surface it is characterised in that described wedge structure array include many
Individual, multiple described wedge structure arrays are pressed arranged in concentric circles and are spaced apart setting.
3. imitative Gekko Swinhonis according to claim 2 are dry sticks surface it is characterised in that two neighboring described wedge structure array
Between by plane be connected.
4. imitative Gekko Swinhonis according to claim 1 are dry sticks surface it is characterised in that adjacent two described annular vertical faces
Described elastic wedge construction unit radially be 10 μm -1000 μm apart from D, described annular inclined plane is perpendicular with described annular
Angle α between facing directly is 10 ° -85 °.
5. imitative Gekko Swinhonis according to claim 1 are dry sticks surface it is characterised in that described elastic wedge construction unit adopts
Rubber or silica gel are made.
6. a kind of dry manufacture method sticking surface of imitative Gekko Swinhonis according to any one of claim 1-5 it is characterised in that
Comprise the following steps：
S1：Ultraprecise machining makes mould, the die cavity of described mould has complementary with described elastic wedge construction unit
Wedge structure unit groove；
S2：Liquid macroimolecule polymer is poured in described die cavity and described wedge structure unit groove and solidifies；
S3：The high molecular polymer of solidification is separated with described mould, to obtain, described imitative Gekko Swinhonis are dry to stick surface.
7. the dry manufacture method sticking surface of imitative Gekko Swinhonis according to claim 6 is it is characterised in that in described step S1
In, described ultraprecise machining is at least one in ultra precision cutting, ultraprecise milling and superfine grinding.
8. the dry manufacture method sticking surface of imitative Gekko Swinhonis according to claim 6 is it is characterised in that described ultraprecise is mechanical
When being processed as ultra precision cutting, mould is made using V-arrangement diamond cutter.
9. the dry manufacture method sticking surface of imitative Gekko Swinhonis according to claim 6 is it is characterised in that described elastic wedge is tied
Structure unit is made using polydimethylsiloxane.
10. a kind of product is it is characterised in that at least a portion on the surface of described product is formed as according in claim 1-5
Imitative Gekko Swinhonis described in any one are dry to stick surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814142.0A CN106378894A (en) | 2016-09-09 | 2016-09-09 | Gecko-imitated dry adhesion surface, product with gecko-imitated dry adhesion surface and manufacturing method of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814142.0A CN106378894A (en) | 2016-09-09 | 2016-09-09 | Gecko-imitated dry adhesion surface, product with gecko-imitated dry adhesion surface and manufacturing method of product |
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| CN108638403A (en) * | 2018-05-28 | 2018-10-12 | 北京航空航天大学 | A kind of dry based on Van der Waals force effect sticks pad and preparation method thereof |
| CN109334802A (en) * | 2018-10-25 | 2019-02-15 | 南京航空航天大学 | A kind of preparation method of hydraulic-driven flexibility bionic gecko foot toe |
| CN110769988A (en) * | 2017-08-25 | 2020-02-07 | 非夕机器人有限公司 | Opposed, controllable gecko-like adhesive gripper system with expandable manufacturability |
| CN110801063A (en) * | 2019-10-31 | 2020-02-18 | 上海航天控制技术研究所 | Multifunctional spacesuit glove based on dry adhesion material |
| CN111216158A (en) * | 2020-02-18 | 2020-06-02 | 江南大学 | Clamping jaw with composite structure on surface |
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| CN107199558A (en) * | 2017-05-11 | 2017-09-26 | 西北工业大学 | A kind of drive lacking space arresting agency and arrest method |
| CN107199558B (en) * | 2017-05-11 | 2020-11-03 | 西北工业大学 | Under-actuated space capturing mechanism and capturing method |
| CN110769988A (en) * | 2017-08-25 | 2020-02-07 | 非夕机器人有限公司 | Opposed, controllable gecko-like adhesive gripper system with expandable manufacturability |
| CN107796789A (en) * | 2017-08-29 | 2018-03-13 | 南京航空航天大学 | The dry preparation method for sticking array of the imitative powered aligned carbon nanotube in gecko end |
| US10910254B2 (en) | 2017-11-13 | 2021-02-02 | Au Optronics Corporation | Transfer device |
| CN108014413A (en) * | 2017-12-18 | 2018-05-11 | 优微（珠海）生物科技有限公司 | Soluble micropin introducing apparatus and its application method |
| CN108638403A (en) * | 2018-05-28 | 2018-10-12 | 北京航空航天大学 | A kind of dry based on Van der Waals force effect sticks pad and preparation method thereof |
| CN109334802A (en) * | 2018-10-25 | 2019-02-15 | 南京航空航天大学 | A kind of preparation method of hydraulic-driven flexibility bionic gecko foot toe |
| CN110801063A (en) * | 2019-10-31 | 2020-02-18 | 上海航天控制技术研究所 | Multifunctional spacesuit glove based on dry adhesion material |
| CN111216158A (en) * | 2020-02-18 | 2020-06-02 | 江南大学 | Clamping jaw with composite structure on surface |
| WO2021164211A1 (en) * | 2020-02-18 | 2021-08-26 | 江南大学 | Clamping jaw having composite structures on surfaces |
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