CN214773983U - Vibration-assisted linear friction imprinting device - Google Patents
Vibration-assisted linear friction imprinting device Download PDFInfo
- Publication number
- CN214773983U CN214773983U CN202120503023.XU CN202120503023U CN214773983U CN 214773983 U CN214773983 U CN 214773983U CN 202120503023 U CN202120503023 U CN 202120503023U CN 214773983 U CN214773983 U CN 214773983U
- Authority
- CN
- China
- Prior art keywords
- vibration
- linear friction
- tightening bolt
- piezoelectric ceramic
- motion mechanism
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 239000000919 ceramic Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 10
- 238000004049 embossing Methods 0.000 claims 3
- 239000000463 material Substances 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 5
- 230000001066 destructive effect Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 5
- 239000002861 polymer material Substances 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 23
- 229920000642 polymer Polymers 0.000 description 20
- 230000009471 action Effects 0.000 description 7
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 230000010076 replication Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The utility model discloses a linear friction impression device is assisted in vibration relates to impression technical field. Wherein, vibration-assisted linear friction imprinting device includes: the horizontal vibration mechanism is connected with the bracket; the horizontal vibration mechanism is connected with the vertical micro-motion mechanism; a first pre-tightening bolt and a first piezoelectric ceramic driver are arranged between the horizontal vibration mechanism and the vertical micro-motion mechanism, and the first pre-tightening bolt is connected with the first piezoelectric ceramic driver; and a second pre-tightening bolt and a pre-tightening spring are arranged between one side of the vertical micro-motion mechanism and the support, and a second piezoelectric ceramic driver and a third pre-tightening bolt are arranged on the other side of the vertical micro-motion mechanism. The utility model discloses, solve because polymer material's incompressibility, can produce defects such as deckle edge, uplift after the extrusion is accomplished, and longitudinal vibration can be to the inside problem that produces destructive influence of substrate material.
Description
Technical Field
The utility model belongs to the technical field of the impression technique and specifically relates to a linear friction impression device is assisted in vibration.
Background
The current vibration-assisted imprinting is generally longitudinal wave vibration, and the replication is realized by melting a polymer through local vibration, but due to the incompressibility of a polymer material, defects such as burrs, bulges and the like are generated after extrusion is finished, and the longitudinal vibration can generate destructive influence on the interior of a substrate material.
Aiming at the problems that in the related art, due to incompressibility of a polymer material, burrs, bulges and other defects are generated after extrusion is finished, and longitudinal vibration can generate destructive influence on the interior of a base material, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: a vibration-assisted linear friction imprinting device is provided to solve the above problems of the prior art.
The technical scheme is as follows: a vibration assisted linear friction imprint apparatus comprising: the horizontal vibration mechanism is connected with the bracket; the horizontal vibration mechanism is connected with the vertical micro-motion mechanism; a first pre-tightening bolt and a first piezoelectric ceramic driver are arranged between the horizontal vibration mechanism and the vertical micro-motion mechanism, and the first pre-tightening bolt is connected with the first piezoelectric ceramic driver; a second pre-tightening bolt and a pre-tightening spring are arranged between one side of the vertical micro-motion mechanism and the support, and a second piezoelectric ceramic driver and a third pre-tightening bolt are arranged on the other side of the vertical micro-motion mechanism; and the first piezoelectric ceramic driver and the first pre-tightening bolt act on the vertical micro-motion mechanism through a flexible hinge so as to provide pressure in the imprinting process, and the second piezoelectric ceramic driver drives the horizontal vibration mechanism to realize linear friction in the horizontal direction.
In a further embodiment, the stand is connected to the vertical micromotion mechanism by a first flexible hinge. Good connection and power transmission effects can be achieved.
In a further embodiment, the horizontal vibration mechanism is connected with the vertical micromotion mechanism through a second flexible hinge. Good connection and power transmission effects can be achieved.
In a further embodiment, the second flexible hinge is provided with a dynamic strain gauge. A micro-feeding device having a force feedback function can be formed, thereby achieving an effect of accurate strain feedback.
In a further embodiment, the output end of the vertical micromotion mechanism is connected with the mould. A good output effect can be achieved.
Has the advantages that: in the embodiment of this application, adopt the mode of vibration assistance and linear friction effect, will first piezoceramics driver and first pretension bolt act on through flexible hinge vertical fine motion mechanism to provide the pressure of impression in-process, the rethread second piezoceramics driver drive horizontal vibration mechanism realizes the linear friction of horizontal direction, has reached the purpose of vibration assistance and linear friction, thereby has realized the technological effect of contact force between control mould and the base material, and then has solved because polymer material's incompressibility, can produce defects such as deckle edge, uplift after the extrusion is accomplished, and longitudinal vibration can be to the inside technical problem that produces destructive influence of base material.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic flow diagram 1 of the present invention;
fig. 3 is a schematic flow chart 2 of the present invention;
fig. 4 is a schematic flow chart 3 of the present invention;
fig. 5 is a schematic flow diagram 4 of the present invention;
fig. 6 is a schematic flow chart 5 of the present invention.
The reference signs are: 1, a bracket; 2. a horizontal vibration mechanism; 3. a vertical micro-motion mechanism; 4. a first pre-tightening bolt; 5. a first piezoelectric ceramic driver; 6. a second pre-tightening bolt; 7. pre-tightening the spring; 8. a second piezoelectric ceramic driver; 9. a third pre-tightening bolt; 10. a first flexible hinge; 11. a second flexible hinge; 12. and (5) molding.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
As shown in fig. 1, the present application relates to a vibration-assisted linear friction imprint apparatus. The vibration-assisted linear friction imprint apparatus includes: the horizontal vibration mechanism is connected with the bracket; the horizontal vibration mechanism is connected with the vertical micro-motion mechanism; the support is a fixed support frame, and can realize good fixing and supporting effects; the horizontal vibration mechanism is a mechanism capable of horizontally vibrating, so that a good horizontal vibration effect is realized; the vertical micro-motion mechanism is a mechanism capable of vertically micro-moving, so that a good vertical micro-motion effect is realized. A first pre-tightening bolt and a first piezoelectric ceramic driver are arranged between the horizontal vibration mechanism and the vertical micro-motion mechanism, so that good connection and driving effects can be realized; the first pre-tightening bolt is connected with the first piezoelectric ceramic driver; a stable connection effect can be achieved. A second pre-tightening bolt and a pre-tightening spring are arranged between one side of the vertical micro-motion mechanism and the support, and a second piezoelectric ceramic driver and a third pre-tightening bolt are arranged on the other side of the vertical micro-motion mechanism; good pre-tightening and driving effects can be achieved. And the first piezoelectric ceramic driver and the first pre-tightening bolt act on the vertical micro-motion mechanism through a flexible hinge so as to provide pressure in the imprinting process, and the second piezoelectric ceramic driver drives the horizontal vibration mechanism to realize linear friction in the horizontal direction. The effect of providing pressure and linear friction in the horizontal direction during imprinting can be achieved; meanwhile, the second piezoelectric ceramic driver is pre-tightened through a second pre-tightening bolt and a pre-tightening spring.
From the above description, it can be seen that the following technical effects are achieved by the present application:
in the embodiment of this application, adopt the mode of vibration assistance and linear friction effect, will first piezoceramics driver and first pretension bolt act on through flexible hinge vertical fine motion mechanism to provide the pressure of impression in-process, the rethread second piezoceramics driver drive horizontal vibration mechanism realizes the linear friction of horizontal direction, has reached the purpose of vibration assistance and linear friction, thereby has realized the technological effect of contact force between control mould and the base material, and then has solved because polymer material's incompressibility, can produce defects such as deckle edge, uplift after the extrusion is accomplished, and longitudinal vibration can be to the inside technical problem that produces destructive influence of base material.
Preferably, in this embodiment, the bracket is connected to the vertical micro-motion mechanism through a first flexible hinge. Good connection and power transmission effects can be achieved.
Preferably, in this embodiment, the horizontal vibration mechanism is connected to the vertical micromotion mechanism through a second flexible hinge. Good connection and power transmission effects can be achieved.
Preferably, in this embodiment, the second flexible hinge is provided with a dynamic strain gauge. A micro-feeding device having a force feedback function can be formed, thereby achieving an effect of accurate strain feedback.
Preferably, in this embodiment, the output end of the vertical inching mechanism is connected with the mold. A good output effect can be achieved.
The utility model discloses a device work flow as follows:
in the imprinting process, the substrate material is fixed, the device generates horizontal vibration and generates linear friction with the substrate material base, a second piezoceramic driver in the device controls the contact force between the mold and the substrate material,
as shown in fig. 2-6, the present invention further provides a vibration assisted linear friction imprinting method, comprising the steps of: step one, applying pressure to a die to a critical contact state; secondly, the periphery of the mold is slightly raised due to polymer invasion; step three, eliminating peripheral micro-protrusions through ultrasonic friction; step four, impression replication stage step five, demolding stage.
As preferable in the present embodiment, applying pressure to the mold to the critical contact state includes: the micro-feeding system enables the mould and the polymer such as PMMA to reach a critical in-and-out state through displacement feedback.
Preferably in this embodiment, the mold intruding polymer causes the peripheral microprotrusions to include: a certain pressure is applied to PMMA through a force control micro-feeding system, and meanwhile, horizontal vibration is started, so that vibration-assisted linear friction effect is generated at an interface, the microstructure of the die is gradually embedded into the surface of the heated and molten polymer, and meanwhile, the extruded polymer is accumulated on the periphery.
As is preferable in the present embodiment, the ultrasonic friction-eliminating peripheral microprotrusions include: the linear friction effect is continued until the extruded polymer is smoothed and eliminated by the die, the pressure in the imprinting process is controlled by a micro-feeding system with a force feedback function, namely, the positive pressure influencing the friction, and the precise control of surface friction and micro-feeding is completed by the online detection of a temperature field and a stress strain field in the imprinting process, so that the effective control of the surface melting depth is realized.
As is preferred in this embodiment, the imprint replication stage includes: and the structural reconstruction of the interface melting region is realized through the pressure action of the force control micro-feeding system.
The method of the utility model is as follows:
the overall process includes five stages as shown in fig. 2-6. In the preparation stage (a), the micro-feeding system enables the mould and the polymer such as PMMA to reach a critical in-out state through displacement feedback; in the stage (b), a certain pressure is applied to PMMA through a force control microfeed system, and horizontal vibration is started, so that vibration-assisted linear friction action is generated at an interface, mechanical energy is converted into polymer internal energy, a mold microstructure is gradually embedded into the surface of the heated and molten polymer, and the extruded polymer is accumulated on the periphery; in the stage (c), the linear friction action is continued until the mold smoothes and eliminates the extruded polymer, the pressure in the imprinting process is controlled by a micro-feeding system with a force feedback function, namely, the positive pressure influencing the friction, and the precise control of surface friction and micro-feeding is completed by the online detection of a temperature field and a stress strain field in the imprinting process, so that the effective controllability of the surface melting depth is realized; obtaining the mechanical state of the interface polymer through pressure detection, entering the (d) imprinting replication stage when the mold and the polymer have no clearance, and realizing the structural reconstruction of an interface melting region through the pressure action of a force control micro-feeding system; and (e) demolding after maintaining the pressure for a certain time to complete the copying and manufacturing of the polymer device such as a microfluidic chip, and obtaining a smooth surface structure under the linear friction action.
The utility model discloses still have following beneficial effect:
1. according to the transverse vibration friction imprinting technology, high-frequency vibration is transmitted to the surface of a polymer through a mold, based on the mechanism of frictional heat generation and viscoelastic heat generation, the whole interface is heated and melted, mold filling is realized under the action of positive pressure, and the micro-nano structure on the mold is quickly copied through curing and demolding.
2. For the vibration-assisted linear friction imprinting forming process facing to the polymer device, high-frequency vibration is transmitted to the surface of a polymer through a mold, based on the mechanism of linear friction heat generation and viscoelastic heat generation, the whole interface is heated and melted, mold filling is realized under the action of positive pressure, and the rapid replication of a micro-nano structure on the mold is finally realized through curing and demolding.
3. The temperature of the polymer and the surface of the die is raised through the vibration-assisted linear friction effect, so that the polymer is melted, and the micro-nano structure is copied under the pressure effect. The micro-fluidic chip can be used for high-density micro-fluidic chips and multilayer structures, and the internal structure cannot be influenced by transverse vibration.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (5)
1. A vibration assisted linear friction imprint apparatus, comprising: the horizontal vibration mechanism is connected with the bracket; the horizontal vibration mechanism is connected with the vertical micro-motion mechanism; a first pre-tightening bolt and a first piezoelectric ceramic driver are arranged between the horizontal vibration mechanism and the vertical micro-motion mechanism, and the first pre-tightening bolt is connected with the first piezoelectric ceramic driver; a second pre-tightening bolt and a pre-tightening spring are arranged between one side of the vertical micro-motion mechanism and the support, and a second piezoelectric ceramic driver and a third pre-tightening bolt are arranged on the other side of the vertical micro-motion mechanism; and the first piezoelectric ceramic driver and the first pre-tightening bolt act on the vertical micro-motion mechanism through a flexible hinge so as to provide pressure in the imprinting process, and the second piezoelectric ceramic driver drives the horizontal vibration mechanism to realize linear friction in the horizontal direction.
2. A vibration assisted linear friction embossing apparatus as claimed in claim 1, wherein said carriage is connected to said vertical micromotion mechanism by a first flexible hinge.
3. A vibration assisted linear friction embossing apparatus as claimed in claim 1, wherein said horizontal vibration means is connected to said vertical micromotion means by a second flexible hinge.
4. A vibration assisted linear friction embossing apparatus as claimed in claim 3, wherein the second flexible hinge is provided with a dynamic strain gauge.
5. A vibration assisted linear friction imprint apparatus according to claim 1, wherein an output end of the vertical micromotion mechanism is connected to a mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503023.XU CN214773983U (en) | 2021-03-10 | 2021-03-10 | Vibration-assisted linear friction imprinting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503023.XU CN214773983U (en) | 2021-03-10 | 2021-03-10 | Vibration-assisted linear friction imprinting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214773983U true CN214773983U (en) | 2021-11-19 |
Family
ID=78756007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120503023.XU Expired - Fee Related CN214773983U (en) | 2021-03-10 | 2021-03-10 | Vibration-assisted linear friction imprinting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214773983U (en) |
-
2021
- 2021-03-10 CN CN202120503023.XU patent/CN214773983U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI251531B (en) | Method and apparatus for injection compression molding using active material elements | |
| TWI510348B (en) | Resin molding apparatus and method for molding resin | |
| JP4849901B2 (en) | Press forming equipment | |
| CN104690138B (en) | Magnesium alloy plate ultrasonic vibration single-point incremental forming device and incremental forming method thereof | |
| US7072735B2 (en) | Control system for utilizing active material elements in a molding system | |
| CN102173563A (en) | Ultrasonic vibration-assisted method for precise mould pressing and shaping | |
| TWI253384B (en) | Method and apparatus for vibrating melt in an injection molding machine using active material elements | |
| CN106113479A (en) | A kind of polymer surfaces micro nano structure volume to volume hot-rolling imprinting moulding method | |
| CN112936838A (en) | Vibration-assisted linear friction imprinting device and method | |
| CN214773983U (en) | Vibration-assisted linear friction imprinting device | |
| CN104875393A (en) | Ultrasonic microimprint forming method of polymer powder material | |
| CN112959832A (en) | Vibration-assisted linear friction imprinting device and method based on voice coil motor | |
| JPS60246231A (en) | Press forming of lens | |
| JP5136648B2 (en) | Wafer lens manufacturing apparatus and manufacturing method | |
| Sun et al. | A novel ultrasonic precise bonding with non-constant amplitude control for thermalplastic polymer MEMS | |
| JP2004174596A (en) | Powder press and method of the same | |
| JP4414830B2 (en) | Molding machine | |
| CN111361139A (en) | Ultrasonic friction imprinting method and device for polymer device | |
| CN106799830B (en) | A kind of polymer surfaces micro-structure thermal marking method of plasmaassisted | |
| JPH11348135A (en) | Photo-shaping apparatus | |
| Cui et al. | Ultrasonic Molding of Polymer Micro Devices | |
| JPH03161317A (en) | Injection compression mold | |
| JP2008018623A (en) | Rubber molding method | |
| CN115893815A (en) | Mold pressing device and method for rapid forming of glass element | |
| JP4414829B2 (en) | Molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |