Ultraviolet curing digital ink jet electronic tag antenna manufacturing equipment and preparation method thereof

Abstract

The invention discloses electronic tag antenna manufacturing equipment of an ultraviolet curing digital ink-jet technology, which comprises a machine table, a base material unwinding roller assembly, a finished product winding roller assembly, a metal film unwinding roller assembly, a metal film waste discharge winding roller assembly and a positioning film unwinding assembly, a digital spraying assembly which is arranged on the upper side of the base material and used for spraying an antenna-shaped UV gilding glue layer is arranged on the machine table and located on the rear side of the base material unwinding roller assembly, and a UV curing lamp assembly used for curing the UV gilding glue layer is arranged on the machine table and located on the rear side of the digital spraying assembly. A metal film pressing assembly used for pressing a metal layer of a metal film on a UV gold stamping glue layer is arranged on the machine table and located on the rear side of the UV curing lamp assembly, a positioning film pressing assembly used for pressing a positioning film on a base material is arranged on the machine table and located on the rear side of the metal film pressing assembly, and the positioning film unwinding assembly is arranged at the position, close to the positioning film pressing assembly, of the machine table. And the function of online small-batch rapid switching production of antennas in different shapes is realized.

Description

[Technical field]

[0001] The present invention relates to the field of printing equipment, in particular to ultraviolet curing digital inkjet electronic tag antenna manufacturing equipment and a preparation method thereof. [Background Technology]

[0002] Radio Frequency Identification (RFID) is an automatic identification technology that uses radio waves to read and transmit data. This technology allows for the automatic identification of objects and the acquisition of relevant data through radio frequency signals, without direct contact. An RFID system typically consists of three components: a tag, a reader / writer, and an antenna. Both the tag and reader require an antenna, which acts as a bridge between the reader and the tag, primarily responsible for transmitting and receiving radio waves.

[0003] However, existing RFID tag antennas are typically manufactured using screen printing technology, requiring a screen for the antenna to be printed before manufacturing. This has drawbacks such as high cost, the potential for water pollution from screen printing, and the large size and low efficiency of screen-printed antennas, making them suitable only for mass-produced RFID tag antennas. Furthermore, current demand for RFID antennas is generally for miniaturization and small-batch customization, such as for use on small items in unmanned stores. However, existing RFID tag antenna manufacturing equipment and methods struggle to meet these requirements. [Summary of the invention]

[0004] The present invention overcomes the shortcomings of the prior art and provides an ultraviolet-curing digital inkjet electronic tag antenna manufacturing device and a manufacturing method thereof.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A UV-curable digital inkjet electronic tag antenna production equipment, characterized in that: it includes an organic platform, a substrate unwinding roller assembly, a finished product winding roller assembly, a metal film unwinding roller assembly, a metal film waste winding roller assembly and a positioning film unwinding assembly, the substrate unwinding roller assembly and the finished product winding roller assembly are respectively arranged on the front and rear sides of the machine, the machine is provided with a digital spraying assembly arranged on the upper side of the substrate at the rear side of the substrate unwinding roller assembly for digitally spraying an antenna-shaped UV hot stamping adhesive layer on the substrate passing through, and the machine is provided with a digital spraying assembly arranged on the upper side of the substrate at the rear side of the digital spraying assembly A UV curing lamp assembly is used to cure the UV hot stamping adhesive layer on the substrate. A metal film pressing assembly is provided on the machine at the rear side of the UV curing lamp assembly, through which the substrate and the metal film pass and the metal layer of the metal film is cold-stamped on the UV hot stamping adhesive layer. The metal film unwinding roller assembly and the metal film waste winding roller assembly are arranged on the machine near the metal film pressing assembly. A positioning film pressing assembly is provided on the machine at the rear side of the metal film pressing assembly, through which the substrate and the positioning film pass and the positioning film is pressed onto the substrate. The positioning film unwinding assembly is arranged on the machine near the positioning film pressing assembly.

[0007] The above-mentioned UV-curing digital inkjet electronic tag antenna production equipment is characterized in that: the digital spraying component includes a spraying machine frame arranged on the machine table and for the substrate to pass through, the spraying machine frame is provided with a vertical motion mechanism whose moving end moves in the up and down direction at the upper side of the substrate, the moving end of the vertical motion mechanism is provided with a printing carriage, and the printing carriage is provided with at least one digital nozzle.

[0008] The above-mentioned UV-curing digital inkjet electronic tag antenna production equipment is characterized in that: a longitudinal motion mechanism with a moving end that moves in the front-to-back direction is provided on the spray machine frame at the upper side of the substrate, and a carrying plate that can move to the lower side of the printing carriage with the longitudinal motion mechanism is provided on the moving end, and an ink pad that carries the digital nozzle is provided in the carrying plate.

[0009] The above-mentioned UV-curing digital inkjet electronic tag antenna production equipment is characterized in that: the spraying frame includes side panels arranged on both sides of the machine, and a vertical connecting plate and a horizontal connecting plate are provided between the side panels on both sides for the substrate to pass from the bottom side. The horizontal connecting plate is provided at the front side of the lower end of the vertical connecting plate, the longitudinal movement mechanism is provided on the rear side of the vertical connecting plate, and the longitudinal movement mechanism is provided on the bottom surface of the horizontal connecting plate. The digital nozzle is provided with a first ink cartridge, the printing carriage is provided with a second ink cartridge connected to the first ink cartridge, and the machine is provided with a third ink cartridge and an ink pump connected between the third ink cartridge and the second ink cartridge.

[0010] The device for manufacturing electronic tag antennas using UV-curable digital inkjet is characterized in that a nozzle scraper for cleaning the digital nozzle is provided on the carrier plate on the side in the direction of movement of the ink pad.

[0011] The UV curing digital inkjet electronic tag antenna production equipment described above is characterized in that the UV curing lamp assembly includes a UV lamp bracket arranged on the machine platform for the substrate to pass through, and UV curing lamps are respectively provided on the front and rear sides of the UV lamp bracket.

[0012] The above-mentioned UV-curing digital inkjet electronic tag antenna production equipment is characterized in that: backward extending extension plates are respectively provided on both sides of the rear side of the machine, the metal film unwinding roller assembly, the metal film waste discharge winding roller assembly, the positioning film unwinding assembly, the metal film pressing assembly and the positioning film pressing assembly are respectively arranged between the extension plates on both sides, and the finished product winding roller assembly is arranged on the lower side of the rear side of the machine.

[0013] The above-mentioned UV-curing digital inkjet electronic tag antenna production equipment is characterized in that: the metal film pressing assembly includes a metal film active pressing roller arranged between the extension plates on both sides and a metal film passive pressing roller that cooperates with the metal film active pressing roller for pressing, a metal film passive roller heating tube is provided in the metal film passive roller, a metal film passive roller temperature sensor is provided on the extension plate near the metal film passive roller, and a film tearing roller is connected between the extension plates on both sides and is arranged between the metal film pressing assembly and the positioning film unwinding assembly.

[0014] The above-mentioned UV-curing digital inkjet electronic tag antenna production equipment is characterized in that: the positioning film pressing assembly includes a positioning film active pressure roller arranged between the extension plates on both sides and a positioning film passive pressure roller that cooperates with the positioning film active pressure roller for pressing, a positioning film passive roller heating tube is provided in the positioning film passive pressure roller, and a positioning film passive roller temperature sensor is provided on the extension plate near the positioning film passive pressure roller.

[0015] A method for preparing an electronic tag antenna using ultraviolet curing digital inkjet using the above-mentioned device, characterized in that:

[0016] S1. The digital spraying component digitally sprays the substrate to form a UV hot stamping adhesive layer in the shape of an antenna;

[0017] S2, UV curing lamp assembly irradiates and cures the UV hot stamping adhesive layer on the substrate;

[0018] S3, the metal film pressing assembly presses the substrate and the metal film and cold-stamps the metal layer of the metal film onto the antenna-shaped UV hot stamping adhesive layer, and recovers the metal film outside the antenna-shaped UV hot stamping adhesive layer to form a metal antenna layer on the substrate;

[0019] S4. The positioning film pressing assembly presses the substrate and the positioning film and presses the positioning film to cover the substrate.

[0020] The beneficial effects of the present invention are:

[0021] The present invention is provided with a digital spraying component for digitally spraying an antenna-shaped UV hot stamping adhesive layer onto a substrate, a UV curing lamp component for curing the UV hot stamping adhesive layer on the substrate, a metal film pressing component for cold stamping a metal layer of a metal film onto the UV hot stamping adhesive layer, and a positioning film pressing component for pressing a positioning film onto the substrate. The UV hot stamping adhesive layer in the shape of an RFID antenna is sprayed onto the substrate by digital variable inkjet technology, and the metal layer of the metal film is cold stamped onto the cured UV hot stamping adhesive layer by a cold stamping method, thereby forming the RFID antenna metal layer, thereby realizing the function of transmitting signals by the RFID tag antenna. Finally, the positioning film is pressed onto the substrate to realize the function of transferring the RFID tag antenna through the positioning film. At the same time, during the printing process, the nozzle of the digital spraying component does not need to be moved, and the UV hot stamping adhesive layer in the shape of the RFID tag antenna can be sprayed and printed on the substrate while it is in motion. The invention has the advantages of fast production speed, small batch production with a minimum order of one, no need for high-temperature drying, small overall size of the equipment, and online small batch rapid switching to produce antennas of different shapes. [Brief Description of the Drawings]

[0022] Figure 1 This is one of the structural diagrams of the present invention;

[0023] Figure 2 This is the second structural diagram of the present invention;

[0024] Figure 3 Schematic diagram of the rotating rollers and the pressing assembly in the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the printing carriage of the present invention;

[0026] Figure 5 Print the exploded view of the trolley for the present invention;

[0027] Figure 6 It is a cross-sectional view of the present invention. [Specific implementation method]

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the descriptions of "preferred", "sub-preferred", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "preferred" or "sub-preferred" may explicitly or implicitly include at least one such feature.

[0030] like Figure 1-6 As shown, an electronic tag antenna production device using ultraviolet curing digital inkjet technology includes an organic platform 1, a substrate unwinding roller assembly 2, a finished product winding roller assembly 3, a metal film unwinding roller assembly 4, a metal film waste winding roller assembly 5 and a positioning film unwinding assembly 6. The substrate unwinding roller assembly 2 and the finished product winding roller assembly 3 are respectively arranged on the front and rear sides of the machine 1. The machine 1 is provided with a digital spraying assembly 7 on the upper side of the substrate at the rear side of the substrate unwinding roller assembly 2 for digitally spraying an antenna-shaped UV hot stamping adhesive layer on the substrate passing through. The machine 1 is provided with a digital spraying assembly 7 on the upper side of the substrate at the rear side of the digital spraying assembly 7 for A UV curing lamp assembly 8 is provided to secure the UV hot stamping adhesive layer on the substrate. A metal film pressing assembly 9 is located behind the UV curing lamp assembly 8 on the machine 1, through which the substrate and metal film pass and which embosses the metal layer of the metal film onto the UV hot stamping adhesive layer. A metal film unwinding roller assembly 4 and a metal film waste rewinding roller assembly 5 are located on the machine 1 near the metal film pressing assembly 9. A positioning film pressing assembly 10 is located behind the metal film pressing assembly 9 on the machine 1, through which the substrate and positioning film pass and which presses the positioning film onto the substrate. A positioning film unwinding assembly 6 is located on the machine 1 near the positioning film pressing assembly 10. In this case, the substrate can be PVC, PP, PET, paper, or plastic; and the metal layer in the metal film can be made of aluminum, silver, or other materials.

[0031] When making an RFID tag antenna, the substrate roll, metal film roll and positioning film roll are respectively loaded onto the substrate unwinding roller assembly 2, the metal film unwinding roller assembly 4 and the positioning film unwinding assembly 6. When printing, the finished product rewinding roller assembly 3 rewinds and pulls the substrate to move on the machine table 1. The method for preparing an electronic tag antenna for UV-curing digital inkjet includes the following steps:

[0032] S1. The digital spraying assembly 7 performs digital spraying on the substrate to form a UV hot stamping adhesive layer in the shape of an antenna; that is, when the substrate passes under the digital spraying assembly 7, the digital spraying assembly 7 performs digital variable inkjet printing on the substrate to spray a UV hot stamping adhesive layer in the shape of an RFID tag antenna on the substrate.

[0033] S2. The UV curing lamp assembly 8 irradiates and cures the UV hot stamping adhesive layer on the substrate; that is, when the substrate passes under the UV curing lamp assembly 8, the UV curing lamp assembly 8 irradiates and cures the UV hot stamping adhesive layer.

[0034] S3, the metal film pressing component 9 presses the substrate and the metal film and cold-stamps the metal layer of the metal film on the antenna-shaped UV hot stamping adhesive layer, and recovers the metal film other than the antenna-shaped UV hot stamping adhesive layer to form a metal antenna layer on the substrate; that is, when the substrate subsequently enters the metal film pressing component 9, the metal film also enters the metal film pressing component 9, and the solidified UV hot stamping adhesive layer on the substrate contacts the metal layer on the metal film. Under the pressing action of the metal film pressing component 9, the metal layer on the metal film is cold-stamped on the solidified UV hot stamping adhesive layer, and at the same time, the metal layer other than the UV hot stamping adhesive layer is recovered along with the metal film onto the metal film waste rewinding roller component 5, thereby forming an RFID tag antenna metal layer on the substrate.

[0035] S4, the positioning film pressing assembly 10 presses the substrate and the positioning film and presses the positioning film to cover the substrate; that is, when the substrate enters the positioning film pressing assembly 10, the positioning film also enters the positioning film pressing assembly 10, and the positioning film contacts the metal layer of the RFID tag antenna of the substrate. Under the pressing action of the positioning film pressing assembly 10, the positioning film is pressed on the substrate, which is convenient for the later transfer of the RFID tag antenna through the positioning film; finally, the finished product is rolled up onto the finished product winding roller assembly 3.

[0036] In the present case, during the printing process, the nozzle of the digital spraying component 7 does not need to be moved for digital spray printing. Only the substrate needs to move to perform digital variable spray printing of the UV hot stamping glue layer in the shape of the RFID tag antenna on the substrate, thereby achieving the effect of accurately spraying and printing small antenna shape patterns. The digital spraying component 7 can also be provided with multiple nozzles, which can simultaneously spray and print multiple UV hot stamping glue layers in different RFID tag antenna shapes, thereby achieving the function of simultaneously producing RFID tag antennas of different shapes, and has the advantages of fast production speed, small batch production with a minimum order of one, and online small batch rapid switching to produce antennas of different shapes; at the same time, the nozzle spraying of the digital spraying component 7 uses UV curing glue, which can be cured by irradiation by the UV curing lamp component 8, without the need for high-temperature drying, and the metal layer on the metal film can be imprinted on the UV hot stamping glue layer of the substrate by cold stamping to form the RFID tag antenna metal layer, thereby greatly reducing the overall volume of the equipment.

[0037] like Figure 5-6As shown, the digital spray coating assembly 7 includes a spray coating frame 71 mounted on the machine 1 and through which the substrate passes. A vertical motion mechanism 72, whose moving end moves in an up-and-down direction, is provided on the spray coating frame 71, located above the substrate. A printing carriage 73 is provided at the moving end of the vertical motion mechanism 72, and at least one digital printhead 74 is provided on the printing carriage 73. Before spray coating, the vertical motion mechanism 72 adjusts the spray coating height of the printing carriage 73. The adjustable height of the printing carriage 73 also facilitates the passage of the substrate through the printing carriage 73 during installation. After the height of the printing carriage 73 is adjusted, the printing carriage 73 does not need to move during the spray coating process; the substrate moves to precisely coat the UV hot stamping adhesive layer in the shape of the RFID tag antenna. The printing carriage 73 can be equipped with multiple digital printheads 74 using digital variable inkjet technology, enabling simultaneous, high-precision spray coating of multiple UV hot stamping adhesive layers in different RFID tag antenna shapes.

[0038] like Figure 4-6 As shown, a longitudinal motion mechanism 75 is mounted on the sprayer frame 71 above the substrate, with its movable end moving in a forward-backward direction. A carrier plate 76 is mounted on the movable end of the longitudinal motion mechanism 75, which can move with the longitudinal motion mechanism 75 to the underside of the print carriage 73. The carrier plate 76 houses an ink pad 77 that supports the digital printhead 74. After the print carriage 73 has finished spraying and printing, the vertical motion mechanism 72 drives the print carriage 73 upward to a preset position. The longitudinal motion mechanism 75 then drives the carrier plate 76 to the underside of the print carriage 73, placing the digital printhead 74 on the print carriage 73 within the ink pad 77 on the carrier plate 76, thereby moisturizing and protecting the digital printhead 74.

[0039] like Figure 5-6 As shown, a nozzle scraper 715 is provided on the carrier plate 76, located on the side in which the ink pad 77 moves, for cleaning the digital printhead 74. As the longitudinal motion mechanism 75 moves the carrier plate 76 to the underside of the print carriage 73, the nozzle scraper 715 scrapes away any residual glue from the digital printhead 74 to protect it. A carrier plate groove 714 is provided on the upper side of the carrier plate 76, within which the ink pad 77 and nozzle scraper 715 are both positioned. A waste ink discharge nozzle 716 is provided on the lower side of the carrier plate 76, connected to the carrier plate groove 714. Glue scraped off by the nozzle scraper 715 is diverted into the carrier plate groove 714 and ultimately discharged from the machine 1 through the waste ink discharge nozzle 716. A protective plate 717 is attached to the lower side of the carrier plate 76 to protect the carrier plate 76 and the waste ink discharge nozzle 716.

[0040] like Figure 1 and Figure 5-6As shown, the digital nozzle 74 is provided with a first ink cartridge 711, the printing trolley 73 is provided with a second ink cartridge 712 connected with the first ink cartridge 711, the machine table 1 is provided with a third ink cartridge 713 and an ink pump connected between the third ink cartridge 713 and the second ink cartridge 712. When adding UV curing glue, only need to fill the UV curing glue into the third ink cartridge 713, the ink pump will deliver the glue in the third ink cartridge 713 to the second ink cartridge 712, the second ink cartridge 712 delivers the glue to the first ink cartridge 711 for the digital nozzle 74 to spray and print, which simplifies the operation of adding glue.

[0041] As shown in Figure 4-6 The spraying rack 71 includes side panels 78 arranged on both sides of the machine table 1, vertical connecting plates 79 arranged between the side panels 78 on both sides and allowing the substrate to pass from the lower side, and a horizontal connecting plate 710 arranged at the front side position of the lower end of the vertical connecting plate 79. The longitudinal movement mechanism 75 is arranged on the rear side of the vertical connecting plate 79, and the longitudinal movement mechanism 75 is arranged on the bottom surface of the horizontal connecting plate 710, so that the vertical connecting plate 79, the printing trolley 73, the longitudinal movement mechanism 75 and the bearing disc 76 are better arranged on the machine table 1, and the mutual movement is better coordinated to protect the digital nozzle 74.

[0042] As shown in Figure 1-2 The UV curing lamp assembly 8 includes a UV lamp bracket 81 arranged on the machine table 1 and allowing the substrate to pass through, and UV curing lamps 82 arranged on the front and rear sides of the UV lamp bracket 81. When the substrate passes through the UV curing lamp assembly 8, the UV curing lamps 82 irradiate and cure the antenna-shaped UV gold stamping glue layer, accelerate the curing speed of the UV gold stamping glue layer, and facilitate the subsequent cold stamping metal layer.

[0043] As shown in Figure 1-3 and Figure 6 The machine table 1 is provided with extension plates 11 extending rearward on both sides of the rear side, the metal film unwinding roller assembly 4, the metal film waste removal and winding roller assembly 5, the positioning film unwinding assembly 6, the metal film pressing assembly 9 and the positioning film pressing assembly 10 are arranged between the two extension plates 11, and the finished product winding roller assembly 3 is arranged at the lower side position of the rear side of the machine table 1, so that the various winding materials are more closely arranged on the machine table 1.

[0044] As shown in Figure 1-3As shown, the metal film pressing assembly 9 includes a metal film active pressing roller 91 disposed between the two extension plates 11, and a metal film passive pressing roller 92 that cooperates with the metal film active pressing roller 91 for pressing. When cold stamping a metal layer onto the UV hot stamping adhesive layer in the shape of an RFID tag antenna, the metal film active pressing roller 91 actively rotates and cooperates with the metal film passive pressing roller 92 to allow the laminated substrate and metal film to pass between the metal film active pressing roller 91 and the metal film passive pressing roller 92, so that the metal layer on the metal film adheres to the UV hot stamping adhesive layer of the substrate under the action of pressure. A metal film passive pressing roller heating tube 93 is provided within the metal film passive pressing roller 92 to heat the metal film passive pressing roller 92, thereby improving the adhesion of the metal layer to the UV hot stamping adhesive layer. A metal film passive pressing roller temperature sensor 94 is provided near the metal film passive pressing roller 92 on the extension plate 11 to better regulate the temperature of the metal film passive pressing roller 92 to prevent excessive heating from affecting the adhesion of the metal layer.

[0045] like Figure 3 As shown, a tearing roller 12 is connected between the two side extension plates 11 and is arranged between the metal film pressing assembly 9 and the positioning film unwinding assembly 6. The tearing roller 12 can better separate the substrate and the scrap metal film.

[0046] like Figure 1-3 As shown, the positioning film pressing assembly 10 includes a positioning film active pressing roller 101 arranged between the two side extension plates 11 and a positioning film passive pressing roller 102 that cooperates with the positioning film active pressing roller 101 for pressing. When the positioning film is pressed on the substrate, the positioning film active pressure roller 101 rotates actively and cooperates with the positioning film driven pressure roller 102 to make the laminated substrate and positioning film pass between the positioning film active pressure roller 101 and the positioning film driven pressure roller 102, so that the substrate is connected to the positioning film and the RFID tag antenna metal layer on the substrate is adhered to the positioning film, which is convenient for separating the antenna metal layer from the substrate by tearing the positioning film when the antenna is transferred later; a positioning film driven roller heating tube 103 is provided in the positioning film driven pressure roller 102, which heats the positioning film driven pressure roller 102 to improve the bonding effect of the RFID tag antenna metal layer pressed and bonded to the positioning film, making it easier to completely separate the RFID tag antenna metal layer from the substrate after tearing off the positioning film; a positioning film driven roller temperature sensor 104 is provided on the extension plate 11 near the positioning film driven pressure roller 102 to avoid excessive heating temperature affecting the bonding effect of the RFID tag antenna metal layer.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made based on the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A UV-curable digital inkjet electronic tag antenna production device, characterized by: The machine comprises an organic platform (1), a substrate unwinding roller assembly (2), a finished product winding roller assembly (3), a metal film unwinding roller assembly (4), a metal film waste discharge winding roller assembly (5), and a positioning film unwinding assembly (6). The substrate unwinding roller assembly (2) and the finished product winding roller assembly (3) are respectively arranged at the front and rear sides of the machine platform (1). The machine platform (1) is provided with a digital spraying assembly (7) arranged on the upper side of the substrate and used for digitally spraying an antenna-shaped UV hot stamping adhesive layer on the substrate passing through the substrate. The machine platform (1) is provided with a UV hot stamping adhesive layer arranged on the upper side of the substrate and used for curing the UV hot stamping adhesive layer on the substrate at the rear side of the digital spraying assembly (7). A UV curing lamp assembly (8) is provided on the machine (1) at the rear side of the UV curing lamp assembly (8) for allowing the substrate and the metal film to pass through and for cold-stamping the metal layer of the metal film on the UV hot stamping adhesive layer; a metal film unwinding roller assembly (4) and a metal film waste discharge and rewinding roller assembly (5) are provided on the machine (1) at a position close to the metal film unwinding assembly (9); a positioning film unwinding assembly (10) is provided on the machine (1) at the rear side of the metal film unwinding assembly (9) for allowing the substrate and the positioning film to pass through and for pressing the positioning film on the substrate; and a positioning film unwinding assembly (6) is provided on the machine (1) at a position close to the positioning film unwinding assembly (10).

2. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 1, characterized in that: The digital spraying assembly (7) comprises a spraying frame (71) arranged on a machine platform (1) and for a substrate to pass through, a vertical motion mechanism (72) with a motion end that moves in an up-down direction is provided on the spraying frame (71) at an upper side of the substrate, a printing carriage (73) is provided on the motion end of the vertical motion mechanism (72), and at least one digital spray head (74) is provided on the printing carriage (73).

3. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 2, characterized in that: A longitudinal motion mechanism (75) is provided on the spraying machine frame (71) at an upper side of the substrate, the motion end of which moves in a front-to-back direction. A carrying plate (76) is provided on the motion end of the longitudinal motion mechanism (75) and can move to the lower side of the printing carriage (73) along with the longitudinal motion mechanism (75). An ink pad (77) for carrying the digital nozzle (74) is provided in the carrying plate (76).

4. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 3, characterized in that: The spraying machine frame (71) includes side panels (78) arranged on both sides of the machine platform (1), a vertical connecting plate (79) for allowing a substrate to pass from the lower side and a horizontal connecting plate (710) are arranged between the side panels (78) on both sides, the horizontal connecting plate (710) is arranged at the front side of the lower end of the vertical connecting plate (79), a longitudinal motion mechanism (75) is arranged on the rear side of the vertical connecting plate (79), and the longitudinal motion mechanism (75) is arranged on the bottom surface of the horizontal connecting plate (710), a first ink cartridge (711) is arranged on the digital nozzle (74), a second ink cartridge (712) connected to the first ink cartridge (711) is arranged on the printing carriage (73), a third ink cartridge (713) and an ink pump connected between the third ink cartridge (713) and the second ink cartridge (712) are arranged in the machine platform (1).

5. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 3, characterized in that: A nozzle scraper (715) for cleaning the digital nozzle (74) is provided on the carrier plate (76) on the side of the ink pad (77) in the direction of movement.

6. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 1, characterized in that: The UV curing lamp assembly (8) comprises a UV lamp bracket (81) arranged on the machine platform (1) for the substrate to pass through, and UV curing lamps (82) are respectively provided on the front and rear sides of the UV lamp bracket (81).

7. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 1, characterized in that: Extension plates (11) extending backward are respectively provided on both sides of the rear side of the machine (1); a metal film unwinding roller assembly (4), a metal film waste discharge winding roller assembly (5), a positioning film unwinding assembly (6), a metal film pressing assembly (9) and a positioning film pressing assembly (10) are respectively arranged between the extension plates (11) on both sides; and a finished product winding roller assembly (3) is arranged on the lower side of the rear side of the machine (1).

8. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 7, characterized in that: The metal film pressing assembly (9) includes a metal film active pressing roller (91) arranged between two side extension plates (11) and a metal film passive pressing roller (92) that cooperates with the metal film active pressing roller (91) for pressing, a metal film passive roller heating tube (93) is provided in the metal film passive pressing roller (92), a metal film passive roller temperature sensor (94) is provided at a position near the metal film passive pressing roller (92) on the extension plate (11), and a film tearing roller (12) is connected between the two side extension plates (11) and is arranged at a position between the metal film pressing assembly (9) and the positioning film unwinding assembly (6).

9. The UV-curable digital inkjet electronic tag antenna manufacturing device according to claim 7, characterized in that: The positioning film pressing assembly (10) comprises a positioning film active pressing roller (101) arranged between two side extension plates (11) and a positioning film passive pressing roller (102) which cooperates with the positioning film active pressing roller (101) for pressing. A positioning film passive pressing roller heating tube (103) is provided in the positioning film passive pressing roller (102), and a positioning film passive roller temperature sensor (104) is provided on the extension plate (11) near the positioning film passive pressing roller (102).

10. A method for preparing an electronic tag antenna using a UV-curable digital inkjet device according to any one of items 1 to 9 above, characterized in that: Including S1, a digital spraying component (7) performs digital spraying on the substrate to form a UV hot stamping adhesive layer in the shape of an antenna; S2, UV curing lamp assembly (8) irradiates and cures the UV hot stamping adhesive layer on the substrate; S3, a metal film pressing assembly (9) presses the substrate and the metal film and cold-stamps the metal layer of the metal film onto the UV hot stamping adhesive layer in the shape of the antenna, and recovers the metal film outside the UV hot stamping adhesive layer in the shape of the antenna to form a metal antenna layer on the substrate; S4, the positioning film pressing assembly (10) presses the substrate and the positioning film and presses the positioning film to cover the substrate.

Images