CN113650330B - Automatic manufacturing device for metal nano cracks on surface of flexible polymer and using method - Google Patents
Automatic manufacturing device for metal nano cracks on surface of flexible polymer and using method Download PDFInfo
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- CN113650330B CN113650330B CN202111069055.4A CN202111069055A CN113650330B CN 113650330 B CN113650330 B CN 113650330B CN 202111069055 A CN202111069055 A CN 202111069055A CN 113650330 B CN113650330 B CN 113650330B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
Abstract
An automatic manufacturing device for metal nano cracks on the surface of a flexible polymer and a using method thereof belong to the field of micro-nano manufacturing. The device comprises a base, a supporting structure, a driving module, a transmission module, a loading module, a rotating shaft fixing module and an auxiliary rotating shaft module. A support is formed by the base and the supporting structure; the driving module is connected with the loading module through the transmission module; the nano crack manufacturing area is positioned at the rotating shaft module, and the rotating shaft module is fixed with the supporting structure through the rotating shaft fixing module; the auxiliary rotating shaft module prevents the film from contacting with the driving module and the loading module in the loading process. When in use, a cylindrical rotating shaft with a certain diameter is selected, and the polymer film deposited with the metal film is placed on the cylindrical rotating shaft; loading by a loading device to ensure that the film is vertically tangent to the cylindrical rotating shaft; the driving unit bends the composite film on the cylindrical rotating shaft to generate cracks. The invention can realize the accurate adjustment of the process parameters in the automatic crack manufacturing process and can realize the manufacture of cracks with different densities.
Description
Technical Field
The invention belongs to the field of micro-nano manufacturing, and relates to an automatic manufacturing device for metal nano cracks on the surface of a flexible polymer and a using method.
Background
Cracks are generally considered to be a type of defect that affects the useful life of a structure. However, ultra-sensitive strain sensors can also be fabricated using nano-cracks. The ultra-sensitive strain sensor based on the nano-cracks is composed of a flexible substrate and a metal film with approximately parallel nano-cracks, and the magnitude of the strain load is measured by measuring the variable quantity of the resistance value of the metal film caused by the opening and closing degree of the cracks under the strain load. The core part of the ultra-sensitive strain sensor based on the nano-cracks is a metal film with the nano-cracks, so that the manufacturing of the nano-cracks is the key for manufacturing the sensor.
In order to realize controllable and automatic manufacturing of the cracks, it is particularly necessary to design an automatic manufacturing device for metal nano cracks on the surface of the flexible polymer.
Disclosure of Invention
In light of the above-identified problems, the present invention provides an automated manufacturing apparatus for metal nano-cracks on a flexible polymer surface.
The technical scheme adopted by the invention is as follows:
an automated manufacturing apparatus for metal nano-cracks on a surface of a flexible polymer, the automated manufacturing apparatus comprising: the device comprises a rotating shaft module 2, a rotating shaft fixing module 3, a loading module 4, a supporting structure 5, a base 6, a driving module 7, a transmission module 8, a fixed rotating shaft 9 and an auxiliary rotating shaft module 10. During use of the device, the composite film 1 adheres to the surface of the transmission module 8 by its own adhesiveness. The base 6 and the supporting structure 5 form a device bracket, the supporting structure 5 comprises a left supporting plate and a right supporting plate, the left supporting plate and the right supporting plate are vertically arranged on the base 6, and the two supporting plates are kept parallel; the driving module 7 is connected with the loading module 4 through a transmission module 8; the nano crack manufacturing area is positioned at the rotating shaft module 2, and the rotating shaft module 2 is fixed with the supporting structure 5 through the rotating shaft fixing module 3; the fixed rotating shaft 9 and the auxiliary rotating shaft module 10 avoid the contact of the composite film 1 with the driving module 7 and the loading module 4 in the loading process.
The driving module 7 comprises a stepping motor, a stepping driver and a stepping controller, wherein the stepping motor is positioned above the base 6, and the stepping motor is connected with the loading module 4 through a transmission module 8. The stepping motor is controlled by a stepping driver and a stepping controller and is used for driving the loading module 4, so that the automatic manufacturing of the nano cracks is realized.
The loading module 4 is weights with different masses and is connected with the driving module 7 through the transmission module 8. Through changing the weights of different masses, can keep the both ends of composite film 1 tangent with the surface of pivot module 2 to keep the both ends of composite film 1 perpendicular to base 6. And the load added to produce the nanocractures is controlled by replacing weights of different masses.
The rotating shaft module 2 comprises cylindrical rotating shafts with different diameters. The rotating shaft module 2 is fixed above the supporting structure 5 through the rotating shaft fixing module 3, and the two rotating shaft fixing modules 3 are connected with the left supporting plate and the right supporting plate through bolts. The rotating shaft fixing module 3 is provided with a semicircular groove, the diameter of the groove is not smaller than the diameter of the smallest rotating shaft in all the cylindrical rotating shafts, the semicircular groove is arranged in the middle of the top of the left supporting plate and the right supporting plate, and the diameter of the groove is not smaller than the diameter of the smallest cylindrical rotating shaft in all the rotating shafts. The left and right support structures 5 are designed with special-shaped straight groove through holes for fixing adjustable bolts. Specifically, the cylindrical rotating shaft is placed on the semicircular grooves of the left and right supporting structures 5, and the semicircular grooves of the rotating shaft fixing modules 3, the semicircular grooves of the left and right supporting structures 5 and the bolt fixing cylindrical rotating shaft are utilized to ensure that the rotating shaft modules 2 can be matched with the circular arc through holes on the left and right supporting structures 5 to circumferentially fix the cylindrical rotating shaft. The rotating shaft fixing module 3 is provided with a special-shaped straight groove through hole corresponding to the positions of the special-shaped straight groove through holes on the left and right supporting structures 5, so that the cylindrical rotating shaft can be axially fixed through the bolt.
The fixed rotating shaft 9 comprises two cylindrical rotating shafts with the same diameter, the fixed rotating shaft 9 is positioned between the left supporting plate and the right supporting plate, and the relative positions of the two fixed rotating shafts can be at the same height or staggered height. The position of the rotating shaft module 2 is higher than the fixed rotating shaft 9 and the auxiliary rotating shaft module 10, and the auxiliary rotating shaft module 10 is located between the rotating shaft module 2 and the fixed rotating shaft 9. The fixed rotating shaft 9 functions to change the transmission direction of the transmission module 8.
The auxiliary rotating shaft module 10 includes two cylindrical rotating shafts with the same diameter, and the connecting mode of the auxiliary rotating shaft module is the same as that of the rotating shaft module 2. In order to avoid the damage of the metal film on the surface of the flexible polymer on the composite film 1 caused by the contact of the stepping motor and the weight when the driving module 7 drives the loading module 4, the auxiliary rotating shaft module 10 is fixed on the left and right supporting structures 5 and used for increasing the distance between the driving module 7 and the loading module 4. Since the hinge module 2 includes cylindrical hinges of different diameters, the position of the auxiliary hinge module 10 needs to be changed simultaneously when the cylindrical hinges of the hinge module 2 are replaced. So as to realize that the two ends of the composite film 1 are tangent to the surface of the rotating shaft module 2. Under the combined action of the loading module 4 and the driving module 7, the transmission module 8 moves along the fixed rotating shaft 9 and the auxiliary rotating shaft module 10 close to the loading module 4, the rotating shaft module 2, and the auxiliary rotating shaft module 10 and the fixed rotating shaft 9 close to the driving module 7.
Further, the transmission module 8 is made of flexible material.
Furthermore, the cylindrical rotating shaft is detachably mounted.
Further, the distance between the two supporting structures 5 fixed on the bottom plate is not less than the length of the rotating shaft.
Further, the base 6 and the support structure 5 are connected by means of an adhesive, thus constituting a general support for the device.
Further, in the driving module 7, the speed regulation range of the stepping motor is 0-3000rpm, and the torque of the stepping motor is not less than 0.45 NM.
The use method of the automatic manufacturing device for the flexible polymer surface metal nano cracks comprises the following steps:
(1) preparing a polymer film deposited with a metal film by using micro-nano processing technologies such as polymer casting, metal sputtering deposition, photoetching and the like, thereby obtaining a composite film 1;
(2) selecting a cylindrical rotating shaft with a certain diameter as a rotating shaft module 2 according to different nano crack density requirements, fixing the cylindrical rotating shaft at a supporting structure 5 through a rotating shaft fixing module 3, and determining the position of an auxiliary rotating shaft module 10 according to the diameter of the selected cylindrical rotating shaft of the rotating shaft module 2;
(3) weights with certain mass are selected as the loading module 4, the loading module 4 is connected with the driving module 7 through the transmission module 8, and the transmission module 8 is ensured to be fully contacted with the rotating shaft module 2, the fixed rotating shaft 9 and the auxiliary rotating shaft module 10. Setting parameters such as the rotating speed of the driving module;
(4) the self viscosity of the composite film 1 is attached to the surface of the transmission module 8, and after the start button is clicked, the driving module 7 drives the composite film 1 to bend on the rotating shaft module 2 through the transmission module 8, so that cracks are generated;
(5) and after the required part generates cracks, clicking a stop button, stopping the work of the driving module 7, taking down the composite film 1 with the cracks, and finally obtaining the metal nano cracks on the surface of the flexible polymer.
The beneficial effects of the invention are:
(1) the whole device is simple in structure, adopts a modular design, and is convenient for changing different experimental structures.
(2) By adopting an automatic control mode, the stability of process parameters such as loading speed in the crack manufacturing process can be kept, and the accurate adjustment can also be carried out.
(3) The device adopts the mode that removable cylinder pivot module 2 is fixed, can realize the manufacturing of the crackle of different densities.
Drawings
Fig. 1 is a schematic diagram of an automated manufacturing apparatus for metal nano cracks on a flexible polymer surface according to the present invention.
In the figure, 1 composite film, 2 rotating shaft modules, 3 rotating shaft fixing modules, 4 loading modules, 5 supporting structures, 6 bases, 7 driving modules, 8 transmission modules, 9 fixing rotating shafts and 10 auxiliary rotating shaft modules.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
An automated manufacturing apparatus for metal nanocractures on the surface of flexible polymers as shown in figure 1. Firstly, a cylindrical rotating shaft with the diameter of 2mm is taken as a rotating shaft module 2, and the cylindrical rotating shaft is fixed at a supporting structure 5 through a rotating shaft fixing module 3; a weight with the mass of 20g is used as a loading module 4; the auxiliary rotating shaft module 10 is adjusted according to the diameter of the cylindrical rotating shaft of the rotating shaft module 2 and is fixed, so that the transmission module 8 is fully contacted with the rotating shaft module 2, the fixed rotating shaft 9 and the auxiliary rotating shaft module 10; then, the polymer film deposited with the metal film is placed on the rotating shaft module 2; the driving module 7 is loaded to ensure that the film is vertically tangent to the cylindrical rotating shaft; after the start button is clicked, the driving unit drives the stepping motor to rotate, so that the composite film 1 is bent on the cylindrical rotating shaft, and further cracks are generated. After the crack is generated at the required position, a stop button is clicked, the motor stops rotating, and the film with the crack is taken down. The above process is repeated.
The above-mentioned embodiments only express the embodiments of the present invention, but not should be understood as the limitation of the scope of the invention patent, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.
Claims (3)
1. An automated manufacturing apparatus for metal nano-cracks on a surface of a flexible polymer, the automated manufacturing apparatus comprising: the device comprises a rotating shaft module (2), a rotating shaft fixing module (3), a loading module (4), a supporting structure (5), a base (6), a driving module (7), a transmission module (8), a fixed rotating shaft (9) and an auxiliary rotating shaft module (10); the composite film (1) is adhered to the surface of the transmission module (8) by means of the viscosity of the composite film; the base (6) and the supporting structure (5) form a device bracket, the supporting structure (5) comprises a left supporting plate and a right supporting plate, and the left supporting plate and the right supporting plate are vertically arranged on the base (6); the driving module (7) is connected with the loading module (4) through a transmission module (8); the nano crack manufacturing area is positioned at the rotating shaft module (2), and the rotating shaft module (2) is fixed with the supporting structure (5) through the rotating shaft fixing module (3); the fixed rotating shaft (9) and the auxiliary rotating shaft module (10) prevent the composite film (1) from contacting with the driving module (7) and the loading module (4) in the loading process;
the driving module (7) comprises a stepping motor, a stepping driver and a stepping controller, wherein the stepping motor is positioned above the base (6) and is connected with the loading module (4) through a transmission module (8); the stepping motor drives the loading module (4) through the control of a stepping driver and a stepping controller, so that the automatic manufacturing of the nano cracks is realized;
the loading module (4) is weights with different masses and is connected with the driving module (7) through the transmission module (8); by replacing weights with different masses, the two ends of the composite film (1) are kept tangent to the surface of the rotating shaft module (2), and the two ends of the composite film (1) are kept perpendicular to the base (6), so that the added load for manufacturing the nano cracks is controlled;
the rotating shaft modules (2) comprise cylindrical rotating shafts with different diameters, the rotating shaft modules (3) are fixed above the supporting structure (5), and the two rotating shaft fixing modules (3) are connected with the left supporting plate and the right supporting plate through bolts;
the fixed rotating shafts (9) comprise two cylindrical rotating shafts with the same diameter, are used for changing the transmission direction of the transmission module (8), are positioned between the left supporting plate and the right supporting plate, and can be positioned at the same height or staggered height; the position of the rotating shaft module (2) is higher than the fixed rotating shaft (9) and the auxiliary rotating shaft module (10), and the auxiliary rotating shaft module (10) is positioned between the rotating shaft module (2) and the fixed rotating shaft (9);
the auxiliary rotating shaft module (10) comprises two cylindrical rotating shafts with the same diameter, the connecting mode of the auxiliary rotating shaft module is the same as that of the rotating shaft module (2), and the auxiliary rotating shaft module is fixed on the left supporting structure and the right supporting structure (5) and used for increasing the distance between the driving module (7) and the loading module (4).
2. The automatic manufacturing device for the metal nano cracks on the surface of the flexible polymer as claimed in claim 1, wherein a semicircular groove is formed in the middle of the tops of the left and right supporting plates, and the diameter of the groove is not less than that of the smallest cylindrical rotating shaft in all the rotating shafts; the left and right supporting structures (5) are provided with special-shaped straight groove through holes for fixing adjustable bolts; a semicircular groove is designed on the rotating shaft fixing module (3), and the diameter of the groove is not less than the diameter of the smallest rotating shaft in all the cylindrical rotating shafts; the rotating shaft fixing module (3) is provided with a special-shaped straight groove through hole corresponding to the position of the special-shaped straight groove through hole on the left supporting structure and the right supporting structure (5) and used for axially fixing the cylindrical rotating shaft through the bolt.
3. The use method of the automatic manufacturing device for the flexible polymer surface metal nano-cracks as claimed in claim 1 or 2, is characterized by comprising the following steps:
1) preparing a polymer film deposited with a metal film, thereby obtaining a composite film (1);
2) selecting a cylindrical rotating shaft with a certain diameter as a rotating shaft module (2) according to different nano crack density requirements, fixing the cylindrical rotating shaft at a supporting structure (5) through a rotating shaft fixing module (3), and determining the position of an auxiliary rotating shaft module (10) according to the diameter of the selected cylindrical rotating shaft of the rotating shaft module (2);
3) selecting a weight with a certain mass as a loading module (4), connecting the loading module (4) with a driving module (7) through a transmission module (8), and ensuring that the transmission module (8) is fully contacted with a rotating shaft module (2), a fixed rotating shaft (9) and an auxiliary rotating shaft module (10); and setting parameters of a driving module;
4) the composite film (1) is adhered to the surface of a transmission module (8) by using the self viscosity, and after a start button is clicked, the transmission module (8) sequentially moves along a fixed rotating shaft (9) and an auxiliary rotating shaft module (10) which are close to a loading module (4), a rotating shaft module (2), and an auxiliary rotating shaft module (10) and a fixed rotating shaft (9) which are close to a driving module (7) under the combined action of the loading module (4) and the driving module (7); the driving module (7) drives the composite film (1) to bend on the rotating shaft module (2) through the transmission module (8), and further cracks are generated;
5) and after the crack is generated at the required position, clicking a stop button, stopping the work of the driving module (7), taking down the composite film (1) with the crack, and finally obtaining the metal nano crack on the surface of the flexible polymer.
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| CN202111069055.4A CN113650330B (en) | 2021-09-13 | 2021-09-13 | Automatic manufacturing device for metal nano cracks on surface of flexible polymer and using method |
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| CN113650330B true CN113650330B (en) | 2022-05-13 |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101840114B1 (en) * | 2016-05-30 | 2018-03-19 | 재단법인 멀티스케일 에너지시스템 연구단 | Highly sensitive sensor comprising cracked transparent conductive thin film and process for preparing same |
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- 2021-09-13 CN CN202111069055.4A patent/CN113650330B/en active Active
Patent Citations (5)
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| US5922424A (en) * | 1996-03-25 | 1999-07-13 | Toyo Boseki Kabushiki Kaisha | Laminating film for metal, laminated metal sheet and metal container |
| CN101341426A (en) * | 2005-10-20 | 2009-01-07 | 三菱丽阳株式会社 | Light control film, laminated light control film, production method of light control film, and production method of laminated light control film |
| CN107076888A (en) * | 2014-08-22 | 2017-08-18 | 柯尼卡美能达株式会社 | Optical reflection film, the manufacture method of optical reflection film, the decorated molded processing method of optical reflection film, laminated glass and curve form body |
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