CN112308190B

CN112308190B - RFID electronic tag production line based on graphene conductive paste

Info

Publication number: CN112308190B
Application number: CN202011079364.5A
Authority: CN
Inventors: 刘振禹; 吕振国; 刘进; 马有明; 陈韶华; 亓秀昌
Original assignee: SHANDONG HUAGUAN SMART CARD CO Ltd
Current assignee: SHANDONG HUAGUAN SMART CARD CO Ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-11
Anticipated expiration: 2040-10-10
Also published as: CN112308190A

Abstract

The invention relates to a graphene conductive paste-based RFID electronic tag production line, which comprises a first film roller, a printing unit, a curing unit, a glue spraying unit, a film laminating unit and a cooling unit, wherein the first film roller is used for mounting a coiled bottom film; the printing unit is arranged on the rear side of the first film roller and comprises a printing mechanism and a guniting mechanism; the curing unit is arranged at the rear side of the printing unit, so that the base film forming the antenna is cured and shaped when passing through; the glue spraying unit comprises a glue groove, a glue spraying mechanism and a film pressing mechanism; the film coating unit is arranged on the rear side of the glue spraying unit and comprises a second film roller and a heat composite roller set, the second film roller is used for installing a rolled protective film, and the second film roller rotates to extend the protective film outwards; the hot composite roller group comprises a heating roller and two composite rollers; the cooling unit is arranged on the rear side of the film covering unit and comprises a plurality of cooling rollers and an air cooler. The invention provides a graphene conductive paste-based RFID electronic tag production line, which improves the production efficiency of RFID electronic tags and reduces the manufacturing cost of the RFID electronic tags.

Description

RFID electronic tag production line based on graphene conductive paste

Technical Field

The invention relates to a graphene conductive paste-based RFID electronic tag production line.

Background

The RFID is also called a radio frequency identification technology, is a non-contact data automatic acquisition technology, and is one of core technologies of the internet of things. At present, the technology is widely applied to almost all fields of logistics storage, transportation, security and anti-counterfeiting, mobile payment and the like. A typical RFID system consists of a reader, a tag and background software, wherein the RFID electronic tag is a system data carrier for storing object information, belongs to consumable goods, and is increased in the blowout mode along with the popularization and application of the Internet of things technology in various fields.

The existing RFID electronic tag production and manufacturing technology generally adopts a copper wire winding method, an aluminum foil etching method and a ceramic sintering method, and has the problems of low manufacturing efficiency, high cost and limited application field caused by single tag substrate. The graphene has excellent optical and electrical properties, is a composite conductive slurry prepared by powdering the graphene, and has strong compatibility and high cost performance. The existing technology for combining graphene conductive paste with the traditional printing mode to produce and manufacture the RFID electronic tag only has a printing part, other production processes are not suitable for producing the RFID electronic tag based on the graphene conductive paste, and the problem of low production efficiency still exists.

Disclosure of Invention

The invention provides a graphene conductive paste-based RFID electronic tag production line, which solves the problems of low manufacturing efficiency and high cost in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: RFID electronic tags production line based on graphite alkene conductive paste, it includes:

the first film roller is used for installing a coiled bottom film, and the first film roller rotates to extend the bottom film backwards;

the printing unit is arranged on the rear side of the first film roller and comprises a printing mechanism and a slurry spraying mechanism, and the slurry spraying mechanism sprays graphene conductive slurry to the printing mechanism to enable the bottom film to form an antenna after passing through the printing unit;

the curing unit is arranged on the rear side of the printing unit and is used for curing and shaping when the bottom film forming the antenna passes through;

the glue spraying unit comprises a glue groove, a glue spraying mechanism and a film pressing mechanism, a glue outlet is formed in one side wall of the glue groove, glue is arranged in the glue groove, the glue spraying mechanism comprises a push plate arranged in the glue groove, the push plate is connected with a first driving piece, the first driving piece can drive the push plate to reciprocate along the glue groove, and the glue in the glue groove is sprayed out from the glue outlet of the glue groove; the film pressing mechanism is arranged above the glue outlet of the glue groove and comprises a pressing plate and a second driving piece, the second driving piece is used for pushing the pressing plate to move back and forth along the moving direction of the pushing plate, and the first driving piece and the second driving piece are matched to enable the pushing plate and the pressing plate to synchronously move towards or away from each other so as to form glue on the surface of the base film;

the film coating unit is arranged on the rear side of the glue spraying unit and comprises a second film roller and a heat composite roller set, the second film roller is used for installing a rolled protective film, and the second film roller rotates to extend the protective film outwards; the thermal compound roller set comprises a heating roller and two compound rollers, the two compound rollers are positioned on two sides of the heating roller, the bottom film sprayed with the glue and the protective film synchronously and sequentially bypass the thermal compound roller set, and the protective film and the bottom film are combined to form the electronic label;

the cooling unit, the cooling unit sets up tectorial membrane unit rear side, including a plurality of chill roll and air-cooler, be equipped with the cooling chamber in the chill roll, the cooling chamber through the pipeline with the air-cooler links to each other, and the electronic tags after the cover closes follows the chill roll is walked around the back and is carried out the cooling design.

Preferably, the printing mechanism comprises a printing cylinder and a pressure roller, the surface of the printing cylinder is provided with a groove in an antenna shape, the printing cylinder is positioned below the pressure roller, the bottom film passes through the space between the printing cylinder and the pressure roller, one side of the printing cylinder is provided with a scraper blade, the scraper blade is used for removing redundant slurry on the surface of the printing cylinder, and a recovery tank is arranged below the printing cylinder.

Preferably, the slurry spraying mechanism comprises a first storage tank, the first storage tank is connected with one end of a first spray pipe, a slurry spray head is arranged at the other end of the first spray pipe, the first spray pipe is provided with a first pump and a first control valve, and graphene conductive slurry in the first storage tank is sprayed to the printing roller through the first spray pipe, so that the antenna-shaped groove is filled with the graphene conductive slurry.

Preferably, the curing unit comprises a frame body, the frame body forms a curing channel through which the basement membrane passes, and ultraviolet lamps connected with the frame body are arranged on the upper side and the lower side of the curing channel.

Preferably, the glue outlet of the glue groove is located on the outer side of the basement membrane antenna along the projection of the moving direction of the push plate, a sealing element is correspondingly arranged at the position of the glue outlet, and the sealing element can limit the overflow of glue when the basement membrane is subjected to glue spraying action, so that the basement membrane forms offset printing with a regular shape.

Preferably, the push plate is provided with a glue overflow hole, the glue capacity in the glue groove is larger than the single glue spraying amount required by the basement membrane, and when the push plate extrudes the glue in the glue groove to the surface of the basement membrane, the redundant glue in the glue groove can pass through the push plate through the glue overflow hole to release the glue pressure on the surface of the basement membrane.

Preferably, the first driving part comprises an elastic resetting part, one end of the elastic resetting part is connected with the push plate, the other end of the elastic resetting part is connected with a roller wheel, the roller wheel is abutted against an eccentric wheel, and the eccentric wheel is connected with a motor; the second driving piece is arranged as an air cylinder, a hydraulic cylinder or an electric push rod.

Preferably, be equipped with anti-oxidation processing unit between printing unit and the fixed unit, anti-oxidation processing unit includes the second stock chest, the one end of second stock chest and second spray tube links to each other, the other end and the antioxidant shower nozzle of second spray tube link to each other, the antioxidant shower nozzle corresponds the antenna one side setting of basement membrane, just the top of antioxidant is equipped with the safety cover, the basement membrane is followed pass through between antioxidant shower nozzle and the safety cover, the second spray tube is equipped with second pump and second control valve.

Preferably, a guide roller is arranged between the thermal compound roller group and the second film roller and is arranged on the front side of the thermal compound roller group and used for guiding the protective film and the bottom film.

Preferably, the electronic label winder further comprises a collecting roller, the collecting roller is arranged on the rear side of the cooling unit, and the collecting roller rotates to wind the cooled electronic label.

The invention adopts the structure and has the advantages that:

1. the invention provides a graphene conductive paste-based RFID electronic tag production line, which reasonably and compactly arranges the processes for producing the RFID electronic tags based on the graphene conductive paste, and improves the production efficiency.

2. According to the invention, the graphene conductive slurry is sprayed to the printing mechanism through the slurry spraying mechanism, so that the antenna is formed after the bottom film passes through the printing unit, the loading is uniform, the slurry waste is avoided, the contact time of the slurry and air is reduced, the drying and excessive oxidation of the slurry are avoided, in addition, the printing unit is provided with the recovery tank, the splashing can be avoided, the redundant slurry is recovered, and the environment is protected and saved;

3. the antioxidant treatment unit uniformly sprays the antioxidant on the antenna, so that graphene slurry is prevented from being oxidized in a short time;

4. the curing unit adopts the ultraviolet lamp, so that the drying temperature of the printed RFID electronic tag is reduced, the drying time is shortened, and the production efficiency is improved;

5. according to the invention, the glue spraying unit uniformly covers the periphery of a formed antenna by the opposite and opposite movement of the glue spraying mechanism and the film pressing mechanism, the glue spraying mechanism drives glue spraying through the eccentric wheel, the push plate is provided with a glue overflow hole, the glue output amount is uniform, controllable and appropriate, the glue output pressure is unloaded, and the glue spraying caused by overlarge pressure is avoided;

6. the thermal compound roller set comprises a heating roller and two compound rollers, wherein the two compound rollers are positioned on two sides of the heating roller, the bottom film sprayed with glue and the protective film synchronously and sequentially bypass the thermal compound roller set, the protective film and the bottom film are tightly covered when the glue is heated and dried, the heating area is increased, the dryness of the electronic tag is kept, and the sealing property of the antenna is improved;

7. according to the invention, the cooling roller is internally provided with the cooling cavity, the cooling cavity is connected with the air cooler through a pipeline, and the coated electronic tag is cooled and shaped after being wound around the cooling roller, so that the cooling degree and uniformity of the electronic tag are ensured, and the electronic tag is prevented from being excessively thermally bonded together.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic view of the production process of the present invention.

Fig. 3 is a front view semi-sectional structure schematic diagram of the glue spraying mechanism of the invention.

Fig. 4 is a schematic top view of the glue tank of the present invention.

Fig. 5 is a schematic top view of another structure of the glue groove of the present invention.

Fig. 6 is a side view of the cooling unit according to the present invention.

In the figure, the position of the upper end of the main shaft,

1. a first film roll;

2. a printing unit; 21. a printing mechanism; 211. a pressure roller; 212. a groove; 213. a squeegee; 214. a printing cylinder; 215. a recovery tank; 22. a guniting mechanism; 221 a first storage tank; 222. a first nozzle; 223. a slurry spray head; 224. a first pump; 225. a first control valve;

3. a curing unit; 301. a curing channel; 302. a frame body; 303. an ultraviolet lamp;

4. a glue spraying unit; 401. a glue groove; 402. a film pressing mechanism; 403. a glue spraying mechanism; 404. a first driving member; 405. a second driving member; 406. pushing the plate; 407. a motor; 408. a seal member; 409. a glue outlet; 410. glue overflow holes; 411. a roller; 412. an elastic reset member; 413. pressing a plate; 414. an eccentric wheel;

5. a film covering unit; 501. a second film roll; 502. a heating roller; 503. a compound roller; 504. a guide roller; 505. a thermal compounding roller set;

6. a cooling unit; 601. a cooling roll; 602. a cooling chamber; 603 an air cooler;

7. an anti-oxidation treatment unit; 701. a second storage tank; 702. a protective cover; 703. an antioxidant sprayer; 704. a second nozzle; 705. a second pump; 706. a second control valve;

8. and collecting the roller.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 6, the graphene conductive paste-based RFID electronic tag production line includes:

the film laminating machine comprises a first film roller 1, wherein the first film roller 1 is used for mounting a coiled bottom film, and the first film roller 1 rotates to extend the bottom film backwards so as to ensure the mounting stability of the bottom film;

the printing unit 2 is arranged on the rear side of the first film roller 1 and comprises a printing mechanism 21 and a slurry spraying mechanism 22, the slurry spraying mechanism 22 sprays graphene conductive slurry to the printing mechanism 21, so that the bottom film passes through the printing unit 2 to form an antenna, the loading is uniform, the time for contacting the slurry with air is reduced, and the drying and excessive oxidation of the slurry are avoided;

the curing unit 3 is arranged at the rear side of the printing unit 2, and is used for curing and shaping when a bottom film forming the antenna passes through;

the glue spraying unit 4 comprises a glue groove 401, a glue spraying mechanism 403 and a film pressing mechanism 402, a glue outlet 409 is formed in one side wall of the glue groove 401, glue is arranged in the glue groove 401, the glue spraying mechanism 403 comprises a push plate 406 arranged in the glue groove 401, the push plate 406 is connected with a first driving piece 404, the first driving piece 404 can drive the push plate 406 to reciprocate along the inside of the glue groove 401, and the glue in the glue groove 401 is sprayed out from the glue outlet 409 of the glue groove 401; film pressing mechanism 402 sets up the top of jiao kou 401 play jiao kou 409, film pressing mechanism 402 includes clamp plate 413 and second driving piece 405, second driving piece 405 is used for promoting the clamp plate 413 is followed the moving direction of push pedal 406 carries out reciprocating motion, first driving piece 404 and the cooperation of second driving piece 405 make push pedal 406 with clamp plate 413 is synchronous in opposite directions or back on the back removal, with the glue shaping extremely the surface of basement membrane, the process of gluing is quick simple, improves production efficiency.

The film coating unit 5 is arranged on the rear side of the glue spraying unit 4 and comprises a second film roller 501 and a thermal compound roller group 505, the second film roller 501 is used for installing a rolled protective film, and the second film roller 501 rotates to extend the protective film outwards; the hot compound roller group 505 comprises a heating roller 502 and two compound rollers 503, the two compound rollers 503 are positioned at two sides of the heating roller 502, the bottom film sprayed with glue and the protective film synchronously and sequentially bypass the hot compound roller group 505, so that the protective film and the bottom film are covered to form an electronic label, and the protective film and the bottom film are tightly covered when the glue is heated and dried, so that the production efficiency is improved, the heating area is increased, the dryness of the electronic label is maintained, and the sealing property of the antenna is improved;

cooling unit 6, cooling unit 6 sets up 5 rear sides of tectorial membrane unit, including a plurality of chill roll 601 and air-cooler 603, be equipped with cooling chamber 602 in the chill roll 601, cooling chamber 602 the pipeline with air-cooler 603 links to each other, and electronic tags after the cover closes follows cooling roller 601 walks around the back and carries out the cooling design, has guaranteed electronic tags refrigerated degree and degree of consistency, avoids electronic tags too hot bonding to be in the same place.

Alternatively, the electronic tag is cooled and shaped by arranging an air dispersing device or standing.

Specifically, printing mechanism 21 includes printing cylinder 214 and pressure roller 211, the surface of printing cylinder 214 is equipped with the recess 212 of antenna shape, printing cylinder 214 is located the below of pressure roller 211, the basement membrane is followed pass through between printing cylinder 214 and the pressure roller 211, one side of printing cylinder 214 is equipped with scraper 213, scraper 213 is used for getting rid of the unnecessary thick liquids in printing cylinder 214 surface, the below of printing cylinder 214 is equipped with accumulator 215, and the recoverable thick liquids of this structure does not cause the thick liquids to waste, and can avoid the thick liquids splash, environmental protection saving.

The printing method adopted in the present embodiment is gravure printing, but it should be understood that the printing method of the printing unit of the present invention is not limited thereto, and other printing methods such as screen printing, relief printing, and the like may be substituted.

Preferably, the slurry spraying mechanism 22 includes a first storage tank 221, the first storage tank 221 is connected to one end of a first spray pipe 222, a slurry spray head 223 is disposed at the other end of the first spray pipe 222, the first spray pipe 222 is provided with a first pump 224 and a first control valve 225, the graphene conductive slurry in the first storage tank 221 is sprayed to the printing cylinder 214 through the first spray pipe 222, so that the graphene conductive slurry fills the antenna-shaped groove 212, the loading is uniform, the time for contacting the slurry with air is reduced, and the slurry is prevented from being dried and oxidized excessively.

In a preferred embodiment, the curing unit 3 includes a frame body 302, the frame body 302 forms a curing channel 301 through which a base film passes, and ultraviolet lamps 303 connected to the frame body 302 are disposed on upper and lower sides of the curing channel 301, so that the drying temperature of the printed RFID electronic tag is reduced, the drying time is shortened, and the production efficiency is improved.

It is understood that, in the preferred embodiment, the curing unit 3 is irradiated by the ultraviolet lamp 303 to cure the graphene conductive paste rapidly, and besides, the graphene conductive paste may also be cured by other principles, such as curing the paste by changing the temperature, and specifically, adding a warm air blower, a warm light device, an air dispersing device, and the like.

In a preferred embodiment, a projection of the glue outlet 409 of the glue groove 401 along the moving direction of the push plate 406 is located on the outer side of the bottom film antenna, a sealing element 408 is correspondingly arranged at the position of the glue outlet 409, and when the bottom film performs a glue spraying operation, the sealing element 408 can limit the overflow of the glue, so that the bottom film forms an offset print with a regular shape, and the glue is prevented from overflowing onto the electronic tag.

In addition, the push plate 406 is provided with a glue overflow hole 410, the glue capacity in the glue groove 401 is larger than the single glue spraying amount required by the basement membrane, when the push plate 406 extrudes the glue in the glue groove 401 to the surface of the basement membrane, the redundant glue in the glue groove 401 can pass through the push plate 406 through the glue overflow hole 410 to release the glue pressure on the surface of the basement membrane, so that the glue is prevented from being sprayed when the glue is discharged due to overlarge pressure in the glue groove 401.

Specifically, the first driving element 404 includes an elastic restoring element 412, one end of the elastic restoring element 412 is connected to the push plate 406, the other end of the elastic restoring element 412 is connected to a roller 411, the roller 411 is in contact with an eccentric wheel 414, and the eccentric wheel 414 is connected to a motor 407; second driving piece 405 establishes to cylinder, pneumatic cylinder or electric putter, guarantees to cover the swift and accurate of gluey process, improves production efficiency greatly.

Preferably, be equipped with anti-oxidation processing unit 7 between printing unit 2 and the curing unit 3, anti-oxidation processing unit 7 includes second stock chest 701, the one end of second stock chest 701 and second spray tube 704 links to each other, the other end and the antioxidant shower nozzle 703 of second spray tube 704 link to each other, antioxidant shower nozzle 703 corresponds the antenna one side of basement membrane sets up, just the top of antioxidant is equipped with safety cover 702, the basement membrane is followed pass through between antioxidant shower nozzle 703 and the safety cover 702, second spray tube 704 is equipped with second pump 705 and second control valve 706, makes the even spraying of antioxidant on the antenna, avoids graphite alkene thick liquids to be oxidized in the short time and influences its electric conduction and other characteristics.

In addition, be equipped with guide roll 504 between heat recombination roller 503 group and the second membrane roller 501, guide roll 504 sets up the front side of heat recombination roller group 505 is used for the guide protection film and basement membrane make when the dry glue of heating the protection film with the basement membrane closely compounds, improves production efficiency, the increase heating area, keeps electronic tags's degree of dryness, increases the leakproofness of antenna.

Further, the electronic label packaging machine further comprises a collecting roller 8, the collecting roller 8 is arranged on the rear side of the cooling unit 6, and the collecting roller 8 rotates to wind the cooled electronic label, so that finished products can be collected and stored conveniently.

The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.

The present invention is not described in detail, but is known to those skilled in the art.

Claims

1. RFID electronic tags production line based on graphite alkene conductive paste, its characterized in that, it includes:

the cooling unit, the cooling unit sets up tectorial membrane unit rear side, including air-cooler and a plurality of chill roll, be equipped with the cooling chamber in the chill roll, the cooling chamber through the pipeline with the air-cooler links to each other, and the electronic tags after the cover closes follows the chill roll is walked around the back and is carried out the cooling design.

2. The production line of RFID electronic tags based on graphene conductive paste of claim 1, characterized in that, the printing mechanism includes a printing cylinder and a pressure roller, the surface of the printing cylinder is provided with a groove with an antenna shape, the printing cylinder is located below the pressure roller, the base film passes through between the printing cylinder and the pressure roller, one side of the printing cylinder is provided with a scraper blade, the scraper blade is used for removing the excess paste on the surface of the printing cylinder, and a recovery tank is arranged below the printing cylinder.

3. The production line of RFID tags based on graphene conductive paste according to claim 2, characterized in that the paste spraying mechanism includes a first storage tank, the first storage tank is connected to one end of a first spray pipe, the other end of the first spray pipe is provided with a paste nozzle, the first spray pipe is provided with a first pump and a first control valve, the graphene conductive paste in the first storage tank is sprayed to the printing roller through the first spray pipe, so that the graphene conductive paste fills the antenna-shaped groove.

4. The graphene conductive paste-based RFID electronic tag production line according to claim 1, wherein the curing unit comprises a frame body, the frame body forms a curing channel through which a base film passes, and ultraviolet lamps connected with the frame body are arranged on the upper side and the lower side of the curing channel.

5. The graphene conductive paste-based RFID electronic tag production line according to claim 1, wherein a glue outlet of the glue groove is located on the outer side of the bottom film antenna along the projection of the moving direction of the push plate, a sealing element is correspondingly arranged at the position of the glue outlet, and when glue spraying is performed on the bottom film, the sealing element can limit the overflow of the glue, so that the bottom film forms offset printing with a regular shape.

6. The graphene conductive paste-based RFID electronic tag production line according to claim 5, wherein the push plate is provided with a glue overflow hole, the glue capacity in the glue groove is larger than the single glue spraying amount required by the bottom film, when the push plate extrudes the glue in the glue groove to the surface of the bottom film, the excess glue in the glue groove can pass through the push plate through the glue overflow hole to release the glue pressure on the surface of the bottom film.

7. The graphene conductive paste-based RFID electronic tag production line according to claim 6, wherein the first driving member comprises an elastic resetting member, one end of the elastic resetting member is connected with the push plate, the other end of the elastic resetting member is connected with a roller, the roller is abutted against an eccentric wheel, and the eccentric wheel is connected with a motor; the second driving piece is arranged as an air cylinder, a hydraulic cylinder or an electric push rod.

8. The graphene conductive paste-based RFID electronic label production line according to claim 1, wherein an antioxidant treatment unit is arranged between the printing unit and the curing unit, the antioxidant treatment unit comprises a second storage tank, the second storage tank is connected with one end of a second spray pipe, the other end of the second spray pipe is connected with an antioxidant nozzle, the antioxidant nozzle is arranged corresponding to one side of the antenna of the bottom film, a protective cover is arranged above the antioxidant, the bottom film passes through the space between the antioxidant nozzle and the protective cover, and the second spray pipe is provided with a second pump and a second control valve.

9. The graphene conductive paste-based RFID electronic label production line according to claim 1, wherein a guide roller is disposed between the thermal compound roller set and the second film roller, and the guide roller is disposed at a front side of the thermal compound roller set for guiding the protective film and the base film.

10. The graphene conductive paste-based RFID electronic tag production line according to claim 1, further comprising a collecting roller disposed at a rear side of the cooling unit, wherein the collecting roller rotates to roll up the cooled electronic tag.