CN104228343B - A card-type jet printer suitable for RFID label preparation - Google Patents

Abstract

The invention discloses a card-type jet printing machine suitable for preparing RFID labels, which includes a feeding mechanism, a jet printing mechanism, a coating mechanism and an RFID detection mechanism, wherein the feeding mechanism is used to adapt to cards of different sizes, and the card Send it to the printing machine; the printing mechanism is used to print the RFID antenna and pattern in the card. After heating and curing, the interconnection between the printing antenna and the chip can be realized, and the personalized pattern can be printed on the card; The coating on the surface of the card protects the RFID chip and antenna in the card and the pattern formed by spray printing, prolonging the service life of the card; the RFID detection mechanism is used to detect the RFID label prepared by spray printing. The invention can realize the preparation of individualized jet printing of the RFID label in one piece, and has the advantages of compact structure, convenient manipulation and the like.

Description

A card-type jet printer suitable for RFID label preparation

technical field

The invention belongs to the field of RFID technology and card jet printing technology, and more specifically relates to a card type jet printer suitable for preparing RFID labels.

Background technique

The development of card printers has changed from early manual card feeding to automatic card feeding, from monochrome printing to color printing, from traditional direct card printing technology to innovative retransfer printing technology, from only printing cards made of PVC to It can print all environmentally friendly material cards including PC cards, from single card printing to composite card printing equipment integrating multiple encoding mechanisms, from single-function work cards to "one card with multiple functions and powerful functions" The development of card printers can be said to have undergone revolutionary changes.

Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology realized by radio frequency communication. RFID tags have the characteristics of small size, large capacity, long life, and reusability, and can support fast reading and writing, non-visual identification, mobile identification, multi-target identification, positioning and long-term tracking management. Combining RFID technology with Internet, communication and other technologies can realize item tracking and information sharing on a global scale. RFID technology is used in logistics, manufacturing, public information services and other industries, which can greatly improve management and operation efficiency and reduce costs.

As the market demand for cards becomes increasingly prominent, card applicants hope to apply for highly personalized cards in the shortest possible time. Printers currently on the market include laser printing, offset printing, inkjet printing, dye sublimation, thermal transfer and so on. For cards made of PVC boards, such as work permits, student cards, IC cards, etc., the methods of sublimation and thermal transfer are used. There are many types of so-called RFID label printers on the market, but the RFID label printers on the market read the data of the chip in the label through the RFID label that has completed the chip package, and finally print out the barcode, instead of directly completing the RFID in the printer. Printing of label antenna and chip interconnection. Because it is difficult to control the shape and flow rate of the ink ejected from the nozzle assembly, and to adapt to the differentiated requirements of different materials and patterns, it is difficult for the existing technology to directly complete the RFID label printing in the printer.

Contents of the invention

In view of the defects or improvement needs of the prior art, the present invention provides a card-type inkjet printer suitable for RFID label preparation, which realizes the interconnection between the RFID label antenna and the chip in the inkjet printer, and can complete the coating Operation, with the characteristics of compact structure and easy manipulation.

In order to achieve the above object, according to one aspect of the present invention, a card-type inkjet printer suitable for preparing RFID labels is provided, which includes a casing, in which a feeding mechanism, a printing mechanism, a cover Membrane mechanism, RFID detection mechanism;

The feeding mechanism is used to feed the cards one by one into the printing mechanism;

The printing mechanism, arranged on the right side of the feeding mechanism, is used to locate the pre-attached RFID tag chip on the card to be printed, and complete the interconnection printing of the RFID antenna and the RFID tag chip by using the electrospinning printing principle, and After the printing is completed, it is heated and cured, and then the card is sent to the laminating mechanism;

Laminating mechanism, arranged on the right side of the printing mechanism, is used for laminating the printed cards;

The RFID detection mechanism is arranged on the right side of the laminating mechanism, and is used to detect the interconnection effect between the RFID tag antenna and the chip on the card.

Preferably, the printing mechanism includes:

The bracket is installed in the shell;

The workbench is used to carry the card to be printed during printing, which is an electrode plate;

The transmission component is used to transmit the cards transmitted by the feeding mechanism to the workbench;

a pulley assembly for driving the transmission assembly;

The first XY moving assembly is installed on the bracket and is used to adjust the position of the first nozzle assembly along the X axis and the Y axis;

The first Z-direction adjustment mechanism is installed on the first XY moving component;

The first nozzle assembly is installed on the first Z-direction adjustment mechanism, and the height can be adjusted through the first Z-direction adjustment mechanism. The printing ink will form the RFID tag antenna pattern, and the formed antenna pattern will be electrically interconnected with the pad of the RFID tag chip pre-attached on the card after curing;

The second XY moving assembly is installed on the bracket, located above the first XY moving assembly, and used to adjust the positions of the X-axis and Y-axis of the second nozzle assembly;

The second Z-direction adjustment mechanism is installed on the second XY moving component;

The second spray head assembly is installed on the second Z-direction adjustment mechanism, and the height can be adjusted through the second Z-direction adjustment mechanism. The printing ink will form text or patterns on the card to be printed;

Heating and curing components are used to heat the printed cards;

The limit fixture is installed on the workbench and is used to limit the position of the card on the workbench.

Preferably, the first nozzle assembly includes a visual detection device and a nozzle, the visual detection device is used to locate the pre-attached RFID tag chip on the card to be printed, and transmit the known deviation of the positioning to an external control system for the first The XY moving assembly and the second XY moving assembly adjust the positions of the first spray head assembly and the second print head assembly respectively.

Preferably, the printing mechanism further includes an ink supply assembly, the ink supply assembly includes a control box, a flow valve, and a printing material box, and the printing material box can accommodate multiple ink materials at the same time, and are connected to each other through the flow valve. The first nozzle assembly and the second nozzle assembly, the control box is used to control the opening of the flow valve, so as to control the ink flow supply from the ink cartridge box to the first nozzle assembly and the second nozzle assembly.

Preferably, the feeding mechanism includes a first motor, an elastic piece, an adaptive paper width mechanism, a card feed plate, a friction roller, a conveying roller, an electromagnet, and a gear train; the gear train includes a first gear and a second gear, and the first Both the gear and the second gear are incomplete gears with continuous three-quarter arcs as gears and the remaining quarter arcs as locking arcs; the second gear is installed on the friction roller, and the bottom plate of the casing is equipped with a The iron matches the shrapnel that controls the rotation and stop of the friction roller. The friction roller is provided with a groove at the position corresponding to the shrapnel; the first motor is connected to the driving end of the transmission roller through the second gear, and the first gear is connected to the driving end of the friction roller; The electromagnet is installed corresponding to the position of the shrapnel; the driving end and the other end of the friction roller are equipped with a cam, and the driving end is provided with a groove matching the shrapnel; the feeding plate is placed on the front side between the friction roller and the transmission roller, The self-adaptive paper width mechanism is placed above the card feeding plate.

Preferably, the self-adaptive paper width mechanism includes a first L-shaped baffle and a second L-shaped baffle oppositely arranged, and the lower ends of the first L-shaped baffle and the second L-shaped baffle are respectively connected to a first rack and the second rack, the first rack and the second rack are connected with the third gear arranged on the shell.

Preferably, the film covering mechanism includes a film material roller, an upper film film roller, a lower film film roller, a second motor, a bearing, a film film selection plate, a film film selection lever, and a chute, wherein the film material roller is used for winding Film material; the upper lamination roller is connected with the second motor through bearings, and the second motor is used to drive the upper lamination roller to rotate to realize the lamination operation; the lamination selection plate is set on the plane between the upper lamination roller and the lower lamination roller Inside, the film selection lever is arranged at the lower end of the film selection plate, and the film selection lever is provided with a bump and a knob. One end of the bump is close to the center of the film selection lever, and the other end is far away from the center of the film selection lever. Rotate the lamination selection lever to keep the lamination selection plate horizontal during the lamination operation. During the non-lamination operation, the lamination selection plate rotates and tilts relative to the horizontal plane, and the card slides out directly.

Preferably, the first Z-direction adjustment mechanism includes an L-shaped mounting plate and a micrometer mechanism, the L-shaped mounting plate is fixed on the first XY moving assembly, and the micrometer mechanism is used to adjust the height of the first spray head assembly in the Z-axis direction.

Preferably, the RFID detection mechanism includes an RFID reader.

Preferably, both the first nozzle assembly and the second nozzle assembly include more than two nozzles for printing inks of different materials or colors.

Generally speaking, compared with the prior art, the above technical solutions conceived by the present invention can achieve the following beneficial effects:

1) In order to realize the printing interconnection between the RFID tag antenna and the chip in the inkjet printer, the present invention rationally combines the card feeding, printing, coating, and detection operations to complete the interconnection between the RFID tag antenna and the chip, and The lamination operation is completed, and then the RFID label printing quality inspection is completed by reading and writing the chip storage information in the RFID label, which ensures the yield rate of the label card production. The whole device is compact in structure and easy to operate.

2) The first nozzle assembly and the second nozzle assembly are provided in the printing mechanism, which can satisfy the printing of circuits represented by RFID tag antennas and the printing of conventional patterns and characters; the printing mechanism adopts electrofluid inkjet The working principle of printing technology, the workbench is an electrode plate, and after applying voltage between the first nozzle assembly and the second nozzle assembly, the liquid to be printed is sprayed from the first nozzle assembly and the second nozzle assembly under the action of the electric field The diameter of the thin lines or dots printed on the card can be smaller than the diameter of the nozzle, which can form fine patterns or circuit printing.

3) The first nozzle assembly is equipped with a visual detection device, which can calculate and capture the printing position or error through image processing processes such as calibration and matching, so as to ensure the positioning of the printed filament or dot ink.

4) The paper feeding mechanism of the card printing machine is equipped with an adaptive paper width mechanism, which adopts a rack and pinion method, which can adapt to the adjustment of cards of different sizes.

5) The lamination mechanism is equipped with a lamination selection plate and a lamination selection lever, which can better realize the lamination protection of the set label cards, and at the same time improve the production efficiency for ordinary cards when they are not laminated.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a work flow chart of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the present invention;

Fig. 4 is the structural representation of feeding mechanism among the present invention;

Fig. 5 is the exploded schematic view of gear train in the present invention;

Fig. 6 is a schematic structural view of the spray printing mechanism shown in the present invention;

Figure 7 is a schematic structural view of the ink supply assembly in the present invention;

Fig. 8 is a schematic structural view of the covering mechanism in the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Referring to Figures 1 to 3, a card-type inkjet printer suitable for preparing RFID labels includes a housing 500, and the opposite sides of the housing 500 are respectively provided with a bayonet inlet and a bayonet outlet. The feeding mechanism 100, the spray printing mechanism 200, the lamination mechanism 300 and the RFID detection mechanism 400 are arranged in sequence in the direction. By designing the structure of the above key components, the card entry, spray printing, lamination, Inspection and other operations, the whole process flow is rigorous, which can better realize the card printing process.

Referring to Fig. 4, the feeding mechanism 100 includes a first motor 110, an elastic sheet 120, an adaptive paper width mechanism 130, a card feed plate 140, a friction roller 150, a conveying roller 160, an electromagnet 170 and a gear train 180, wherein the conveying roller 160 is Transmission gears are provided, and the gear train 180 includes a first gear 181 and a second gear 182, the first gear 181 and the second gear 182 are continuous three-quarter arcs as gears, and the remaining quarter arcs are locking arcs The incomplete gear; specific example as shown in Figure 5, wherein the second gear 182 and the friction roller 150 are fixedly connected, the two ends of the friction roller 150 are equipped with cams, the first gear 181 is installed on the friction roller 150, and the friction roller 150 is installed One end with the first gear 181 is the driving end. The driving end of the friction roller 150 is provided with a groove. The gear train 180 drives the transmission roller 160 to rotate. The shrapnel 120 is installed on the overall bottom plate of the inkjet printer. When the power is off, the shrapnel 120 is inserted into the friction roller. In the groove of the driving end of the roller 150, the rotation of the friction roller 150 is restricted. The electromagnet 170 is fixed on the side plate of the jet printer housing 500. The gear train 180 drives the friction roller 150 to rotate. When a card enters, the cams at both ends of the friction roller 150 will press the card-feeding plate 140 downward, so that the friction roller 150 and the card-feeding The increased distance between the boards 140 can limit the number of incoming cards to one. The bottom of the first L-shaped baffle 131 and the second L-shaped baffle 132 of the adaptive paper width mechanism 130 are respectively connected to the first rack and the second rack. connected to the third gear on the top. The rack and pinion structure can realize multi-size card printing, which improves the adaptability of the jet printer to cards of different sizes; the transport roller 160 transports the card from the feeding mechanism 100 to the jet printing mechanism 200 .

The specific process of feeding the card is as follows: put the card with the RFID chip on the adaptive paper width mechanism 130, adjust the first L-shaped baffle 131 and the second L-shaped baffle 132 at both ends, so that the card maintains the correct posture and enters the printing press. In the printing machine, the motor 110 drives the transmission roller 160 to rotate through the gear train 180. At this time, the transmission gear on the transmission roller 160 meshes with the first gear 181 and contacts with the smooth surface on the second gear 182. The electromagnet absorbs the shrapnel 120, The torsion spring on the second gear 182 rotates the second gear 182 at a certain angle to mesh with the transmission gear on the transmission roller 160, and then the first gear 181 and the second gear 182 mesh with the transmission gear on the transmission roller 160 simultaneously, so that the friction roller 150 rotation drives a card into the inkjet printer; after that, the cams at both ends of the friction roller 150 will press the card feeder 140 downward, so that the distance between the friction roller 150 and the card feeder 140 increases, and the remaining cards cannot continue to enter In the inkjet printer, the electromagnet 170 is powered off, the shrapnel 120 is inserted into the groove of the friction roller 150, and the friction roller 150 stops rotating.

FIG. 6 shows a specific implementation of the printing mechanism 200 of the present invention. In the present invention, the X-axis direction is parallel to the card feeding direction, the Z-axis is the up-down direction, and the Y-axis is perpendicular to the XZ plane. The printing mechanism 200 includes an XY moving assembly, a first nozzle assembly 230, a conveying assembly 240, a heating and curing assembly 250, a pulley assembly 260, a limit clamp 270, and a workbench 280, wherein the XY moving assembly includes a first XY moving assembly 211 and a second XY moving assembly 211. The two XY moving components 212, and the first XY moving component 211 and the second XY moving component 212 are all structures of a driving motor, a ball screw mechanism and a linear guide rail. The housing 500 is provided with a bracket 281 and a first XY moving assembly 211, and the first XY moving assembly 211 is installed on the bracket 281 for adjusting the position of the first nozzle assembly 230 along the X-axis and the Y-axis; the first Z-direction adjustment mechanism 220 is installed on the first XY moving assembly 211; the first spray head assembly 230 is installed on the first Z-direction adjustment mechanism 220, and the height can be adjusted through the first Z-direction adjustment mechanism 220, which is used to cooperate with the workbench 280 and treat it after power-on Spray filamentary or dot ink on the printing card, the printing ink will form the RFID tag antenna pattern, and the formed antenna pattern will be electrically interconnected with the pad of the RFID tag chip pre-attached on the card after solidification; The second XY moving assembly 212 is installed on the bracket 281 above the first XY moving assembly 211 and is used to adjust the X-axis and Y-axis positions of the second spray head assembly 214 . The second Z-direction adjustment mechanism 213 is installed on the second XY moving assembly 212; the second spray head assembly 214 is installed on the second Z-direction adjustment mechanism 213, and the height can be adjusted through the second Z-direction adjustment mechanism 213 for working with After the station 280 is powered on, it sprays filament or dot ink on the card to be printed, and the printed ink will form characters or patterns on the card to be printed. The first XY moving assembly 211 is a fine moving assembly, which can realize the precise movement of the first nozzle assembly 230 on the X-axis and Y-axis, which can be used to print the antenna on the card, thereby completing the connection between the antenna and the chip; the second XY The moving component 212 is a coarse moving component, which can realize the rapid movement of the second nozzle assembly 214, which can be used to print characters on the card, and the second nozzle assembly 214 mainly ejects dot-shaped ink. This design also facilitates the movement of the first nozzle assembly 230 and the second nozzle assembly 214 in the XY direction above the workbench 280, which ensures the printing effect, and at the same time can achieve different precision printing effects and improve the working efficiency of the inkjet printer. The first Z-direction adjustment mechanism 220 includes an L-shaped mounting plate 221 and a micrometer mechanism 222, the first Z-direction adjustment mechanism 220 is fixed on the XY moving assembly through the L-shaped mounting plate 221, and the micrometer mechanism 222 realizes that the first nozzle assembly 230 is in Z The adjustment on the axis determines the polarization distance and the printing space between the first nozzle assembly 230 and the worktable 280 to achieve the best printing effect; At this time, the transmission assembly 240 in the printing mechanism 200 transmits the card to the workbench 280 , the transmission assembly 240 is driven by the pulley assembly 260 , and the pulley assembly 260 is arranged on the side plate of the housing 500 . Referring to Fig. 2, during the printing process, the visual detection device 231 positions the RFID chip on the card. The visual detection device 231 includes a camera, and the visual detection device 231 mainly locates the RFID chip on the card by working with the camera. A voltage is applied between the first nozzle assembly 230 and the worktable 280, and the ink between the first nozzle assembly 230 and the worktable 280 forms filaments or dots, thereby realizing the printing of the RFID antenna.

The first nozzle assembly 230 and the second nozzle assembly 214 both include more than two nozzles 232, and the two nozzles 232 are filled with inks of different materials or colors, which can realize antenna printing of different materials or sizes, and can also realize printing in cards. Printing of multi-color graphics and text. By changing the voltage between the first spray head assembly 230 and the worktable 280, or changing the air pressure in the first spray head assembly 230, or changing the distance between the spray head 232 and the worktable 280, the sprayed filaments or dots can be changed. The size of the liquid ink can change the cross-section of the antenna. The second spray head assembly 214 can also use the same operation to change the density or size of the characters or patterns.

The heating and curing assembly 250 includes two brackets 251 and heating rods 252 installed on the two brackets 251. The brackets 251 are arranged at both ends of the workbench 280. After the card is printed, use the heating and curing assembly 250 to perform heating and curing operations. Avoid the pattern on the card being damaged by the transport assembly 240 . The conveying assembly 240 includes two conveying rollers. During the entire printing process, at least the card is guaranteed to be in contact with one of the two conveying rollers in the conveying assembly 240 , so that the card can be continuously conveyed to the laminating mechanism 300 . After the printing is completed, the transfer component 240 transfers the card from the printing mechanism 200 to the lamination mechanism 300 .

On the basis of the above, with reference to Fig. 7, the present invention can also add an ink supply assembly 290, which includes a control box 291, a flow valve 292 and a jet printing material box 293, which can simultaneously accommodate multiple ink materials in the jet printing material box 293 , respectively connect the first nozzle assembly 230 and the second nozzle assembly 214 through the flow valve 292, the control box 291 is used to control the opening of the flow valve 292, thereby controlling the flow of the inkjet cartridge 293 to the first nozzle assembly 230 and the second nozzle assembly 230 and the second nozzle assembly 214. The ink flow supply of the nozzle assembly 214 . The configuration of the second XY moving assembly 212 in the present invention is similar to that of the first XY moving assembly 211 .

As shown in Figure 8, the laminating mechanism 300 includes a film material roller 310, a film coating roller, a motor 330, a bearing 340, a film selection plate 350, a film selection lever 370, and a chute 380, wherein the film material roller 310 is wound The film material is used to provide the film material for the lamination operation; the lamination roller includes an upper lamination roller 320 and a lower lamination roller 360, the upper lamination roller 320 is connected with the motor 330 through the bearing 340, and then the motor 330 drives the upper lamination roller 320 to rotate Realize lamination operation; Lamination selection plate 350 is arranged on the space between upper lamination roller 320 and lower lamination roller 360, and lamination selection lever 370 is arranged on the lower end of lamination selection plate 350, wherein the lamination selection lever 370 contains The bump 371 and the knob 372, the bump 371 is a cuboid shape, one end of the bump is closer to the film selection lever 370, and the other end is farther away from the film selection lever 370, the bump 371 is used to select whether the card is to be laminated , when performing lamination operation, turn the knob 372 to make the short end of the boss 371 contact with the lamination selection plate 350, so that the lamination selection plate 350 remains horizontal; The long end is in contact with the film-coating selection plate 350, and the film-coating selection plate 350 rotates and is inclined relative to the horizontal plane, and the card directly slides out without film coating, which helps to improve production efficiency.

The RFID detection mechanism includes an RFID reader, installed on the top plate of the housing 500 . The RFID detection mechanism 400 completes the detection of the printing quality of the RFID label by reading and writing the information stored in the chip in the RFID label, which ensures the yield rate of the label card production.

The working process of the card type jet printer according to the present invention will be further specifically explained below:

First, put the card with the RFID chip on the adaptive paper width mechanism 130, adjust the baffles 131 and 132 at both ends of the adaptive paper width mechanism 130, so that the card keeps the correct posture and enters the inkjet printer, and the motor 110 passes through The gear train 180 drives the transmission roller 160 to rotate. At this time, the transmission gear on the transmission roller 160 meshes with the teeth of the first gear 181 and contacts with the smooth surface on the second gear 182. The electromagnet 170 absorbs the shrapnel 120, and the second gear 182 The torsion spring on the top rotates the second gear 182 at a certain angle to mesh with the transmission gear on the transmission roller 160, and then drives the first gear 181 to mesh with the transmission gear on the transmission roller 160, so that the friction roller 150 rotates. When a card enters the inkjet printer, the cams at both ends of the friction roller 150 will press the card feeder 140 downward, so that the distance between the friction roller 150 and the card feeder 140 will increase, and the remaining cards cannot continue to be printed. inside the plane. Then, the conveying roller 160 sends the card into the printing mechanism 200, the conveying assembly 240 of the printing mechanism 200 sends the card onto the workbench 280, the visual inspection device 231 positions the RFID chip on the card, and the first nozzle assembly 230 A voltage is applied between the workbench 280, and the ink ejected by the first nozzle assembly 230 forms filaments or dots. At the same time, the first nozzle assembly 230 moves on the XY moving assembly, and the RFID antenna is printed on the card to complete the antenna. Connection with the chip, while the second nozzle assembly 214 prints the required characters and patterns on the card. After the printing is completed, when the card passes through the heating assembly 250, the pattern on the card surface is heated and solidified to avoid damage to the transmission assembly 240 The RFID antenna pattern on the card. Wherein, the pulley assembly 260 drives the transmission assembly 240 to move. The transport assembly 240 sends the card into the lamination mechanism 300, and the lamination selection plate 350 remains horizontal during the lamination operation. After the lamination is completed, the card is detected by the RFID detection mechanism 400, and then slides out after the detection; , turning the knob 372, the protrusion 371 makes the film selection plate 350 turn down to be aligned with the horizontal plane, the card slides out directly, and the whole printing process is completed.

It is easy for those skilled in the art to understand that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention, All should be included within the protection scope of the present invention.

Claims (9)

1. a kind of card type inkjet printing machine that is applicable to RFID label preparation, it is characterized in that: comprise shell (500), be provided with feeding mechanism (100), spray printing mechanism ( 200), laminating mechanism (300), RFID detection mechanism (400); The feeding mechanism (100) is used to send the cards into the printing mechanism (200) one by one; The printing mechanism (200), arranged on the right side of the feeding mechanism (100), is used to locate the pre-attached RFID tag chip on the card to be printed, and utilizes the principle of electrospinning jet printing to complete the interaction between the RFID antenna and the RFID tag chip. Continuous printing, and heat curing after the printing is completed, and then transfer the card to the laminating mechanism (300); The laminating mechanism (300) is arranged on the right side of the printing mechanism (200), and is used for laminating the printed card; the laminating mechanism (300) includes a film material roller (310), an upper laminating roller (320), lower coating roller (360), second motor (330), bearing (340), coating selection plate (350), coating selection lever (370), chute (380), wherein the film material roller (310) is used for winding film material; The upper film roll (320) links to each other with the second motor (330) by the bearing (340), and the second motor (330) is used to drive the upper film roll (320) to rotate to realize covering Film operation; the film selection plate (350) is set in the plane between the upper film roll (320) and the lower film roll (360), and the film selection lever (370) is set at the lower end of the film selection plate (350) , the coating selection lever (370) is provided with a bump (371) and a knob (372), one end of the bump (371) is close to the center of the coating selection lever (370), and the other end is away from the coating selection lever (370). ), rotate the lamination selection lever (370), and keep the lamination selection plate (350) horizontal during the lamination operation. slide out directly; The RFID detection mechanism (400) is arranged on the right side of the lamination mechanism (300), and is used for detecting the interconnection effect between the RFID tag antenna and the chip on the card. 2. the card type inkjet printing machine that is suitable for RFID label preparation according to claim 1, is characterized in that: described inkjet printing mechanism (200) comprises: Bracket (281), installed in the shell (500); The workbench (280) is used to carry the card to be printed during printing, which is an electrode plate; A transmission component (240), used to transmit the card transmitted by the feeding mechanism (100) to the workbench (280); a pulley assembly (260) for driving the transfer assembly (240); The first XY moving assembly (211), installed on the bracket (281), is used to adjust the position of the first nozzle assembly (230) along the X axis and the Y axis; The first Z-direction adjustment mechanism (220), installed on the first XY moving assembly (211); The first spray head assembly (230), installed on the first Z-direction adjustment mechanism (220), can adjust the height through the first Z-direction adjustment mechanism (220), and is used to treat the printing card after cooperating with the workbench (280) and electrifying Spray filamentary or dot ink on the card, the printed ink will form the RFID tag antenna pattern, and the formed antenna pattern will be electrically interconnected with the pad of the RFID tag chip pre-attached on the card after solidification; The second XY moving assembly (212), installed on the bracket (281), is located above the first XY moving assembly (211), and is used to adjust the positions of the X-axis and the Y-axis of the second nozzle assembly (214); The second Z-direction adjustment mechanism (213), installed on the second XY moving component (212); The second spray head assembly (214), installed on the second Z-direction adjustment mechanism (213), can adjust the height through the second Z-direction adjustment mechanism (213), and is used to cooperate with the workbench (280) and treat the spray printing card after power-on Spray filamentary or dot ink on the card, and the ink will form characters or patterns on the card to be printed; The heating and curing component (250) is used for heating the printed card; The limit fixture (270), installed on the workbench (280), is used to limit the position of the card on the workbench (280). 3. the card-type inkjet printing machine that is suitable for RFID label preparation according to claim 2, is characterized in that: described first nozzle assembly (230) comprises visual detection device (231) and shower head (232), visual detection device (231) is used for positioning the pre-attached RFID tag chip on the card to be printed, and transmits the deviation of positioning knowledge to an external control system so that the first XY moving assembly (211) and the second XY moving assembly (212) respectively Adjust the position of the first spray head assembly (230) and the second spray head assembly (214). 4. the card type inkjet printer that is applicable to RFID label preparation according to claim 2, is characterized in that: described inkjet printing mechanism (200) also comprises ink liquid supply assembly (290), ink liquid supply assembly (290) Including a control box (291), a flow valve (292) and a jet printing material box (293), the jet printing material box (293) can accommodate multiple ink materials at the same time, and the flow valve (292) is respectively connected to the first The spray head assembly (230) and the second spray head assembly (214), the control box (291) is used to control the opening of the flow valve (292), thereby controlling the flow of the inkjet printing material box (293) to the first spray head assembly (230) and the second spray head assembly (230) and the second spray head assembly (214). The ink flow supply of the second nozzle assembly (214). 5. the card type jet printing machine that is suitable for RFID label preparation according to claim 1, is characterized in that: described feed mechanism (100) comprises first motor (110), shrapnel (120), self-adaptive paper width Mechanism (130), feed cardboard (140), friction roller (150), conveying roller (160), electromagnet (170) and gear train (180); Gear train (180) comprises the first gear (181) and the second Two gears (182), the first gear (181) and the second gear (182) are the incomplete gears that continuous three-quarter arcs are gears, and the remaining quarter arcs are locking arcs; the second gear ( 182) is installed on the friction roller (150), and the shrapnel (120) that can cooperate with the electromagnet (170) to control the rotation and stop of the friction roller (150) is installed on the bottom plate of the casing (500), and the friction roller (150) is in the corresponding A groove is provided at the position of the shrapnel (120); the first motor (110) is connected to the driving end of the transmission roller (160) through the second gear (182), and the first gear (181) is connected to the driving end of the friction roller (150) The housing (500) is equipped with an electromagnet (170) at a position corresponding to the shrapnel (120); the driving end and the other end of the friction roller (150) are equipped with a cam, and the driving end is provided with a concave groove that matches the shrapnel (120). Groove; the card-feeding plate (140) is placed on the front side between the friction roller (150) and the conveying roller (160), and the adaptive paper width mechanism (130) is placed above the card-feeding plate (140). 6. the card type jet printing machine that is suitable for RFID label preparation according to claim 5, is characterized in that: described self-adaptive paper width mechanism (130) comprises the first L-shaped baffle plate (131) and the first L-shaped baffle plate (131) of relative arrangement. Two L-shaped baffles (132), the lower ends of the first L-shaped baffle (131) and the second L-shaped baffle (132) are respectively connected with the first rack and the second rack, the first rack and the second The racks are all connected with the third gear arranged on the shell (500). 7. the card type inkjet printer that is suitable for RFID label preparation according to claim 2, is characterized in that: the first Z direction adjustment mechanism (220) comprises L-shaped mounting plate (221), micrometer mechanism (222), L The shaped mounting plate (221) is fixed on the first XY moving assembly (211), and the micrometer mechanism (222) is used to realize the height adjustment of the first spray head assembly (230) in the Z-axis direction. 8. The card-type inkjet printer suitable for RFID label preparation according to claim 1, characterized in that: the RFID detection mechanism comprises an RFID reader-writer. 9. the card type inkjet printer that is suitable for RFID label preparation according to claim 2, is characterized in that: described first shower head assembly (230) and the second shower head assembly (214) all comprise more than two shower heads, It is used to print inks of different materials or colors.