CN113022100B - Former of graphite alkene RFID electronic tags antenna - Google Patents

Abstract

The invention discloses a molding device of a graphene RFID electronic tag antenna, which comprises a printing device, a gravure mold, a mold sleeve, an automatic densification mechanism and a pneumatic discharging mechanism. Firstly, pre-printing an antenna with a first thickness on a substrate by a printing device, wherein the first thickness is greater than a standard thickness; then, the gravure mould with the shape and the groove depth corresponding to the shape and the thickness of the gravure groove of the antenna is pressed towards the substrate, and the antenna which is pre-printed is filled in the gravure groove to finish shaping; in the shaping process, the redundant slurry is extruded out of the gravure groove, and after the gravure die is attached to the surface of the base material, the redundant slurry is stripped and discharged through the pneumatic discharging mechanism; then, the gravure mold is separated from the surface of the substrate, and the graphene conductive paste left on the substrate forms an antenna with a standard shape and thickness; the automatic densification mechanism comprises a moving part, a sliding sleeve and an elastic part, and ensures the matching connection and the action of the gravure mold and the mold sleeve. Thus, the antenna produced by the invention has the shape, thickness and good density of the standard antenna at the same time.

Description

Former of graphite alkene RFID electronic tags antenna

Technical Field

The invention relates to the technical field of graphene, in particular to a forming device of a graphene RFID electronic tag antenna.

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 RFID antenna is a communication induction antenna, and at present, the RFID antenna is divided into a metal etching antenna, a printing antenna, a copper plating antenna and the like due to different materials and manufacturing processes. The printed antenna has short production period, but is gradually eliminated by the market due to unreliable performance consistency and service life of the finished product. In recent years, graphene antennas have emerged due to the development of graphene technology.

The antenna with different types has different thicknesses, the current printing method capable of controlling the thickness of the antenna usually controls the distance between a printing head and the surface of a base material or repeatedly prints the antenna to the desired thickness, and the problem exists that the thickness control of the antenna needs extremely high precision control, and particularly the distance between the printing head and the surface of the base material is difficult to control, so that the antenna is easy to have low yield and poor product consistency; when the printing is repeated, the printing head needs to be operated repeatedly, the production efficiency is low, and the slurry is easy to waste; by adopting the prior art, the printed antenna is often insufficient in density, poor in structural stability and extremely easy to damage; the shape of the antenna is usually precise and complex, and the edge of the internal structure of the antenna is difficult to control by adopting the existing printing technology, so that the defective rate of the antenna is high easily.

Disclosure of Invention

The invention provides a forming device of a graphene RFID (radio frequency identification) electronic tag antenna, which comprises a printing device, a gravure mold, a mold sleeve, an automatic densification mechanism and a pneumatic discharging mechanism. Firstly, pre-printing an antenna with a first thickness on a substrate by a printing device, wherein the first thickness is greater than a standard thickness; then, the gravure mould with the shape and the groove depth corresponding to the shape and the thickness of the gravure groove of the antenna is pressed towards the substrate, and the antenna which is pre-printed is filled in the gravure groove to finish shaping; in the shaping process, the redundant slurry is extruded out of the gravure groove, and after the gravure die is attached to the surface of the base material, the redundant slurry is stripped and discharged through the pneumatic discharging mechanism; then, the gravure mold is separated from the surface of the substrate, and the graphene conductive paste left on the substrate forms an antenna with a standard shape and thickness; the automatic densification mechanism comprises a moving part, a sliding sleeve and an elastic part, and ensures the matching connection and the action of the gravure mold and the mold sleeve. Therefore, the antenna produced by the invention has the shape, the thickness and the good density of the qualified antenna, and the technical problems in the background technology are effectively solved.

The technical scheme adopted by the invention is as follows:

the utility model provides a former of graphite alkene RFID electronic tags antenna, the electronic tags antenna is by graphite alkene conductive paste as the raw materials, and the shaping is on the substrate surface, and it includes printing device, gravure mould, die sleeve, automatic dense mechanism and pneumatic row's material mechanism, wherein:

the printing device is used for printing the graphene conductive slurry on a substrate to form a first-state antenna on the substrate, and the thickness of the first-state antenna has a first size;

the gravure mould is positioned above the substrate and can lift along the vertical direction to extrude graphene conductive slurry on the surface of the substrate downwards in a downward extrusion mode, one side of the gravure mould is provided with a gravure groove, the shape of the gravure groove corresponds to the shape of the electronic tag antenna, the groove depth of the gravure groove is provided with a second size, the second size is smaller than the first size, and the second size is the same as the thickness of the electronic tag antenna;

the die sleeve is provided with a die groove and a discharge groove, the die groove is used for being matched with the gravure die, and the discharge groove is communicated with the die groove;

the automatic densification mechanism comprises a moving part, a sliding sleeve and an elastic part, the moving part is connected with the gravure mold, the sliding sleeve is connected with the mold sleeve, the moving part is arranged in the sliding sleeve and can move in the vertical direction along the sliding sleeve, the elastic part is used for connecting the gravure mold and the sliding sleeve, and when the gravure mold downwards extrudes graphene conductive slurry on the surface of the substrate, the moving part pushes and extrudes the elastic part, so that the elastic part generates acting force on the gravure mold to extrude the graphene conductive slurry in the gravure groove to be conveyed to the discharge groove;

the pneumatic discharging mechanism comprises an air inlet and a discharging opening which are arranged on the inner wall of the discharging groove, the air inlet is used for conveying air flow into the discharging groove to blow the redundant graphene conductive slurry in the discharging groove, and the discharging opening is used for pumping the redundant graphene conductive slurry outwards.

Therefore, the printing device pre-prints a layer of graphene conductive paste on the substrate to form an antenna thicker than a standard antenna, the antenna is in a first state with a first thickness at the moment, then the antenna in the first state is molded by a gravure press, the gravure groove is filled with the graphene conductive paste, and the redundant graphene conductive paste is extruded to the discharge groove from the gravure groove; after the gravure die is attached to the surface of the substrate, the antenna with the standard shape and thickness is shaped in the gravure groove, and the gravure groove has good density characteristic due to extrusion; discharging redundant graphene slurry in the discharging groove by a pneumatic discharging mechanism; after the redundant slurry is discharged, the gravure die leaves the surface of the substrate, the graphene conductive slurry left on the substrate forms the electronic tag antenna with a standard shape and a standard thickness, and the graphene conductive slurry has a good density characteristic, a stable structure and high quality.

Furthermore, the discharge groove is internally provided with at least two air inlets which are arranged at intervals along the side wall of the vertical direction in the discharge groove, and the orientation of the air inlets can be arranged in the range of 30-60 degrees. Therefore, the space in the discharge groove can be fully filled with the airflow entering from the air inlet, and the excessive slurry at the edge of the discharge groove can be fully stripped from the base material.

Furthermore, the pneumatic discharging mechanism also comprises a fan, an air inlet duct connected with the air inlet is arranged in the die sleeve, the other end of the air inlet duct is connected with an air inlet pipe, and the air inlet pipe is connected with the fan. The fan increases the power of the impact airflow and increases the stripping efficiency of the redundant slurry, thereby increasing the production efficiency of the antenna.

Further, pneumatic row material mechanism still includes takes out the material machine, is equipped with the row material way that links to each other with the bin outlet in the die sleeve, and the other end and the row of material way are expected the pipe and are linked to each other, and row material pipe and take out the material machine and link to each other. The material pumping machine increases the discharge efficiency of redundant slurry, thereby increasing the production efficiency of the antenna.

Furthermore, the die sleeve is respectively provided with a quick joint for connecting the air inlet pipe and the material discharge pipe. Therefore, the die sleeve is convenient to disassemble and replace quickly.

Furthermore, the movable piece is in a rod shape, and the end part of the movable piece is detachably connected with the intaglio mold; the end part of the sliding sleeve is detachably connected with the die sleeve. Therefore, the intaglio mold and the mold sleeve can be detached at any time to adapt to the molding of antennas with different specifications.

Furthermore, the invention also comprises a pre-curing device, wherein the pre-curing device is used for pre-curing the first state antenna formed on the substrate by the printing device. The pre-curing device enables the antenna to be pre-reinforced after printing and before forming, the antenna in the first state has certain stability and certain fluidity, the form change of the antenna before subsequent final forming can be avoided, the thickness adjustment of the antenna in the final forming process can be ensured, and the adhesion of the antenna on the intaglio mold after forming can be avoided.

Further, the device comprises a recovery device, wherein the recovery device comprises a residual hopper and a liquefaction furnace, the residual hopper is connected with a material pumping machine, and the residual hopper is used for collecting redundant graphene conductive slurry discharged through a discharge outlet; the liquefaction furnace is connected with the residual hopper and the printing device, and the liquefaction furnace heats, liquefies and recycles the redundant graphene conductive slurry entering through the residual hopper to the printing device. Therefore, redundant graphene conductive slurry can be discharged and then recycled to the liquefying furnace through the residual hopper, and the residual graphene conductive slurry is heated and liquefied and then recycled in the printing device, so that the slurry waste is effectively avoided, and the environment-friendly effect is achieved.

Further, the electronic tag antenna comprises a hot air device, wherein the hot air device is used for carrying out secondary curing on the formed electronic tag antenna, and the hot air device blows redundant graphene conductive slurry remained on the base material to a residual hopper. Therefore, the hot air device can perform secondary reinforcement on the formed antenna, and the antenna is prevented from being damaged in the next production process; the hot air device can also strip residual redundant slurry on the base material.

Further, the invention also comprises a reinforcing mesh roller, a substrate roller and a composite roller, wherein the reinforcing mesh roller is used for conveying the reinforcing mesh, the substrate roller is used for conveying the substrate, and the composite roller is used for receiving the reinforcing mesh and the substrate from the reinforcing mesh roller and the substrate roller, so that the reinforcing mesh is covered on the surface of the substrate corresponding to the printed graphene conductive paste. Thereby, the structural stability of the antenna is reinforced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an exemplary embodiment of the present invention;

FIG. 2 is a schematic production flow diagram of the present invention shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 in one state of the invention;

FIG. 4 is a partial schematic view of the invention shown in FIG. 1 in another state;

1. a printing device; 11. a slurry barrel;

2. a gravure mold; 21. a gravure groove;

3. die sleeve; 31. a die cavity; 32. a discharge chute; 33. an air inlet duct; 34. a discharge channel;

4. an automatic densification mechanism; 41. a movable member; 42. a sliding sleeve; 43. an elastic member;

5. a pneumatic discharge mechanism; 51. an air inlet; 52. a discharge outlet; 53. a fan; 531. an air inlet pipe; 54. a material pumping machine;

6. a pre-curing device;

7. a recovery device; 71. a residual hopper; 73. a material pumping fan; 74. a material pumping pump;

8. a hot air device;

09. a reinforcing mesh roller; 010. a substrate roll; 011. a compound roller; 012. a guide roller; 013. a control panel.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.

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.

Referring to fig. 1 to 4, fig. 1 is a schematic embodiment of a forming apparatus for a graphene RFID electronic tag antenna, the graphene RFID electronic tag antenna is formed on a substrate surface by using a graphene conductive paste as a raw material, and includes a printing device 1, a gravure mold 2, a mold sleeve 3, an automatic densification mechanism 4, and a pneumatic discharging mechanism 5, wherein:

the printing device 1 is used for printing the graphene conductive paste on a substrate to form a first-state antenna on the substrate, wherein the thickness of the first-state antenna has a first size;

the gravure die 2 is positioned above the substrate and can lift along the vertical direction to extrude graphene conductive slurry on the surface of the substrate downwards in a downward extrusion mode, one side of the gravure die 2 is provided with a gravure groove 21, the shape of the gravure groove 21 corresponds to the shape of the electronic tag antenna, the depth of the gravure groove 21 is provided with a second size, the second size is smaller than the first size, and the second size is the same as the thickness of the electronic tag antenna;

the die sleeve 3 is provided with a die groove 31 and a discharge groove 32, the die groove 31 is used for matching with the gravure die 2, and the discharge groove 32 is communicated with the die groove 31;

the automatic densification mechanism 4 comprises a movable member 41, a sliding sleeve 42 and an elastic member 43, the movable member 41 is connected with the gravure mold 2, the sliding sleeve 42 is connected with the mold sleeve 3, the movable member 41 is arranged in the sliding sleeve 42 and can move in the vertical direction along the sliding sleeve 42, the elastic member 43 is used for connecting the gravure mold 2 with the sliding sleeve 42, and when the gravure mold 2 is downwards extruded to graphene conductive slurry on the surface of a substrate, the movable member 41 pushes and extrudes the elastic member 43, so that the elastic member 43 generates an acting force on the gravure mold 2 to extrude the graphene conductive slurry in the gravure groove 21 to be conveyed to the discharge groove 32; as shown in fig. 3 and 4, the elastic member 43 is a spring, and in other embodiments, the elastic member 43 may be other elastic members, such as rubber, polyurethane, etc.

The pneumatic discharging mechanism 5 comprises an air inlet 51 and a discharging opening 52 which are arranged on the inner wall of the discharging groove 32, the air inlet 51 is used for conveying air flow into the discharging groove 32 so as to blow redundant graphene conductive slurry in the discharging groove 32, and the discharging opening 52 is used for pumping the redundant graphene conductive slurry outwards.

The printing device 1 pre-prints a layer of graphene conductive paste on the surface to be printed of the base material to form a first-state antenna with a first thickness, wherein the first thickness is greater than a standard thickness; then, one side, provided with the intaglio groove 21, of the intaglio mold 2 is pressed towards the first-state antenna on the surface of the substrate, the intaglio groove 21 is in the shape of a standard antenna, the depth of the intaglio groove 21 is equal to the thickness of the standard antenna, when the intaglio mold 2 is attached to the surface of the substrate, graphene conductive slurry is filled in the intaglio groove 21, the graphene conductive slurry in the intaglio groove 21 forms the antenna with the standard shape and the standard thickness, and the first-state antenna is shaped; in the process that the gravure die 2 presses the surface of the base material to be attached to the surface of the base material, redundant graphene conductive slurry is extruded out of the gravure groove 21, enters the discharge groove 32 in the die sleeve 3, is attached to the surface of the base material covered by the discharge groove 32, is stripped and discharged through the pneumatic discharge mechanism 5, and is subjected to impact stripping by air flow entering from the air inlet 51, and is pumped and discharged through the discharge port 52; after the redundant graphene conductive paste is removed, the gravure die 2 leaves the surface of the substrate, the graphene conductive paste left on the substrate forms an antenna with a standard shape and a standard thickness, the antenna at the moment is a forming antenna, and meanwhile, the antenna is extruded in the forming process, so that the antenna has a good density characteristic and high structural stability.

It can be understood that the present apparatus has high precision requirements for the intaglio groove 21 portion of the intaglio mold 2, and the precision requirements of the remaining components can be properly reduced to reduce the manufacturing cost and enhance the applicability and feasibility under the requirement of fulfilling the respective functions.

Referring to fig. 1 to 4, at least two air inlets 51 are disposed in the discharge groove 32, the air inlets 51 are spaced along the inner vertical sidewall of the discharge groove 32, and the orientation of the air inlets 51 can be set in the range of 30 ° to 60 °. The impact air flow enters through the air inlets 51 in the discharge groove 32, and the contact area of the impact air flow can be effectively ensured by arranging a plurality of air inlets 51, so that the redundant graphene conductive slurry is fully stripped; the air inlets 51 are arranged at intervals along the inner vertical side wall of the discharge groove 32, so that the redundant slurry at the edge of the discharge groove 32 can be completely stripped from the base material, the residual material is prevented from remaining on the base material, and the yield of the antenna is improved; the direction of the air inlet 51 is set in the range of 30-60 degrees, so that the impact air flow entering from the air inlet 51 impacts the surplus slurry at an inclined angle, the impact area of the impact air flow is enlarged, the surplus slurry covering the base material can be lifted along the surface of the base material to leave the surface of the base material, and the damage to the vertical impact of the base material when the impact air flow is too large is reduced.

Referring to fig. 1 to 4, the pneumatic discharging mechanism 5 further includes a fan 53, an air inlet duct 33 connected to the air inlet 51 is provided in the die case 3, the other end of the air inlet duct 33 is connected to an air inlet duct 531, and the air inlet duct 531 is connected to the fan 53. Therefore, the impact airflow is generated by the fan 53, the power of the impact airflow is increased, the stripping efficiency of the redundant slurry is improved, the production efficiency of the antenna is improved, and the antenna is beneficial to rapid production.

Referring to fig. 1 to 4, the pneumatic discharging mechanism 5 further includes a material pumping machine 54, a discharging channel 34 connected to the discharging opening 52 is provided in the die sleeve 3, the other end of the discharging channel 34 is connected to a discharging pipe 541, and the discharging pipe 541 is connected to the material pumping machine 54. Therefore, the stripped redundant slurry can be timely pumped and discharged, and the production efficiency of the antenna is accelerated.

Referring to fig. 1 to 4, the die case 3 is provided with quick couplers connecting an intake duct 531 and a discharge duct 541, respectively. From this setting, intake pipe 531 and row material pipe 541 are connected with die sleeve 3 through quick-operation joint, are convenient for dismantle fast and change die sleeve 3, and convenient assembly has reduced the assembly degree of difficulty.

Referring to fig. 1 to 4, the movable member 41 is formed in a rod shape, and an end thereof is detachably coupled to the intaglio mold 2; the end of the sliding sleeve 42 is detachably connected with the die sleeve 3. The movable part 41 and the gravure mould 2 can be detached at any time, the sliding sleeve 42 and the mould sleeve 3 can be detached at any time, therefore, the gravure mould 2 and the mould sleeve 3 can be combined into a whole set, when the antennas with different specifications need to be produced, the mould sleeve 3 and the gravure mould 2 can be detached and replaced, and the antennas with different specifications can be conveniently produced. Specifically, the connection between the movable member 41 and the intaglio mold 2, and the connection between the sliding sleeve 42 and the mold housing 3 may adopt a connection manner such as a threaded connection and a snap connection.

Referring to fig. 1 and 2, the present invention further includes a pre-curing device 6, and the pre-curing device 6 is used for pre-curing the first-state antenna formed on the substrate by the printing device 1. The pre-curing device 6 pre-reinforces the antenna after printing and before forming, so that the antenna in the first state has certain stability and certain fluidity, the antenna is stably covered on the surface of the substrate, the form change of the antenna before subsequent final forming can be avoided, the thickness adjustment of the antenna in the final forming process can be ensured, and the adhesion of the antenna on the intaglio mold 2 after forming can be avoided. It will be understood by those skilled in the art that the pre-curing may be performed by irradiation with ultraviolet light, heating, or the like.

Referring to fig. 1 to 4, the present invention includes a recycling device 7, the recycling device 7 includes a residue hopper 71 and a liquefaction furnace, the residue hopper 71 is connected to the material pumping machine 54, and the residue hopper 71 is used for collecting the excessive graphene conductive paste discharged through the discharge outlet 52; the liquefaction furnace is connected with the residual hopper 71 and the printing device 1, and the liquefaction furnace heats, liquefies and recycles the redundant graphene conductive slurry entering through the residual hopper 71 to the printing device 1. Therefore, redundant graphene conductive slurry can enter the residual hopper 71 after being discharged from the material discharge pipe 541 through the material pumping port under the action of the material pumping machine 54, is recovered to the liquefying furnace through the residual hopper 71, and is recycled in the printing device 1 after being heated and liquefied by the liquefying furnace, so that the slurry waste is effectively avoided, and the printing device is green and environment-friendly.

Specifically, referring to fig. 1 and 2, the excess slurry in the residue hopper 71 is pumped into the liquefaction furnace by the pumping fan 73 to be heated and liquefied in a concentrated manner, and the slurry in the liquefaction furnace is pumped into the slurry tank 11 of the printing apparatus 1 by the pumping pump 74 to be recycled.

Referring to fig. 1 and 2, the electronic tag antenna forming device comprises a hot air device 8, wherein the hot air device 8 is used for carrying out secondary curing on the formed electronic tag antenna, and the hot air device 8 blows redundant graphene conductive slurry remaining on a base material to a residual hopper 71. Therefore, the hot air device 8 can perform secondary reinforcement on the formed antenna, the stability of the formed antenna is enhanced, the formed antenna is tightly covered on the surface of the base material, and the formed antenna is prevented from being damaged when entering the next production process; in addition, the hot air device 8 can blow off the residual redundant slurry on the base material, so that the residual redundant slurry is prevented from being adhered to the surface of the formed antenna or the base material.

Referring to fig. 1 and 2, the present invention further includes a reinforcing mesh roller 09, a substrate roller 010, and a composite roller 011, wherein the reinforcing mesh roller 09 is used for conveying the reinforcing mesh, the substrate roller 010 is used for conveying the substrate, and the composite roller 011 is used for receiving the reinforcing mesh and the substrate from the reinforcing mesh roller 09 and the substrate roller 010, so that the reinforcing mesh covers the surface of the substrate corresponding to the printed graphene conductive paste. Therefore, the reinforcing mesh can enable the graphene conductive paste to be in a stable state after being printed on the surface of the base material, and reduce the mobility of the graphene conductive paste on the base material, so that the antenna can be stably kept in a first state before being molded; the reinforcing net enhances the overall connectivity of the antenna, and the antenna with strong overall connectivity is not easy to flexibly deform or split and scatter in the forming process, so that the integrity and the good density of the shape are easier to control, the excessive slurry is easier to remove in large pieces, and the residue is reduced; the reinforcing net ensures that the antenna is firmly covered on the surface of the substrate, so that the antenna is prevented from being easily adhered to the gravure 2 in the forming process; in addition, the reinforcing mesh can also be used for structurally reinforcing the formed antenna, so that the antenna is prevented from being easily broken in the using process, and the quality of the antenna is ensured. Specifically, referring to fig. 1 and 2, the present invention further provides a guide roller 012 for guiding and tensioning the substrate to ensure the smooth and compact surface of the substrate.

The invention is also additionally provided with a control panel 013 which is used for automatically controlling the forming equipment and improving the production efficiency.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a former of graphite alkene RFID electronic tags antenna, the electronic tags antenna is by graphite alkene electrically conductive thick liquids as the raw materials, and the shaping is on the substrate surface, its characterized in that includes:

the printing device is used for printing the graphene conductive paste to the base material to form a first-state antenna on the base material, and the thickness of the first-state antenna has a first size;

the gravure mold is positioned above the substrate and can lift along the vertical direction to extrude graphene conductive slurry on the surface of the substrate downwards, a gravure groove is formed in one side of the gravure mold, the shape of the gravure groove corresponds to the shape of the electronic tag antenna, the groove depth of the gravure groove has a second size, the second size is smaller than the first size, and the second size is the same as the thickness of the electronic tag antenna;

the die sleeve is provided with a die groove and a discharge groove, the die groove is used for being matched with the gravure die, and the discharge groove is communicated with the die groove;

the automatic densification mechanism comprises a moving part, a sliding sleeve and an elastic part, wherein the moving part is connected with the gravure mold, the sliding sleeve is connected with the mold sleeve, the moving part is arranged in the sliding sleeve and can move in the vertical direction along the sliding sleeve, the elastic part is used for connecting the gravure mold and the sliding sleeve, and when the gravure mold downwards extrudes graphene conductive slurry on the surface of a substrate, the moving part pushes and extrudes the elastic part, so that the elastic part generates acting force on the gravure mold to extrude the graphene conductive slurry in the gravure groove to be conveyed to the discharge groove;

pneumatic row material mechanism, its including set up in the air intake and the bin outlet of bin outlet inner wall, the air intake be used for to carry the air current in the bin outlet, in order to blow unnecessary graphite alkene electrically conductive thick liquids in the bin outlet, the bin outlet is used for outwards taking out and send unnecessary graphite alkene electrically conductive thick liquids.

2. The forming equipment of graphene RFID electronic tag antenna according to claim 1, wherein at least two air inlets are arranged in the discharge groove, the air inlets are arranged along the inner vertical side wall of the discharge groove at intervals, and the orientation of the air inlets can be set in the range of 30-60 °.

3. The forming equipment of graphene RFID electronic tag antenna according to claim 1 or 2, wherein the pneumatic discharging mechanism further comprises a fan, an air inlet duct connected with the air inlet is arranged in the die sleeve, the other end of the air inlet duct is connected with an air inlet pipe, and the air inlet pipe is connected with the fan.

4. The forming equipment of graphite alkene RFID electronic tags antenna of claim 3, characterized in that, pneumatic row material mechanism still includes the material machine of taking out, be equipped with in the die sleeve with the row material way that the bin outlet links to each other, the other end and the row of material way of row material say link to each other, row material pipe with the material machine of taking out links to each other.

5. The forming equipment of graphene RFID electronic tag antenna according to claim 4, wherein the die sleeves are respectively provided with a quick connector connecting the air inlet pipe and the material discharge pipe.

6. The forming device of the graphene RFID electronic tag antenna according to claim 1, wherein the moving member is rod-shaped, and an end portion of the moving member is detachably connected to the intaglio mold; the end part of the sliding sleeve is detachably connected with the die sleeve.

7. The graphene RFID tag antenna forming apparatus according to claim 1, further comprising a pre-curing device, wherein the pre-curing device is configured to pre-cure the first-state antenna formed on the substrate by the printing device.

8. The graphene RFID electronic tag antenna forming equipment according to claim 4, comprising a recycling device, wherein the recycling device comprises a material residue hopper and a liquefying furnace, the material residue hopper is connected with the material pumping machine, and the material residue hopper is used for collecting redundant graphene conductive paste discharged through the material discharging opening; the liquefaction furnace is connected the residual material hopper and the printing device, and the liquefaction furnace heats, liquefies and recycles the redundant graphene conductive slurry entering through the residual material hopper to the printing device.

9. The apparatus of claim 8, comprising a hot air device for performing secondary curing on the formed RFID tag antenna, wherein the hot air device blows the excess graphene conductive paste remaining on the substrate to the residue hopper.

10. The forming device of a graphene RFID electronic tag antenna according to claim 1, further comprising a reinforcing mesh roller for transporting a reinforcing mesh, a substrate roller for transporting the substrate, and a composite roller for receiving the reinforcing mesh and the substrate from the reinforcing mesh roller and the substrate roller, so that the reinforcing mesh is laminated on the surface of the substrate corresponding to the printed graphene conductive paste.

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