CN115179644B

CN115179644B - Low-power-consumption ITO silver paste wiring device and process

Info

Publication number: CN115179644B
Application number: CN202210994330.1A
Authority: CN
Inventors: 魏皓; 苏飞; 任丹; 何波; 陈重华
Original assignee: Jiangxi Anzhi Photoelectric Technology Co ltd
Current assignee: Jiangxi Anzhi Photoelectric Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-12-22
Anticipated expiration: 2042-08-18
Also published as: CN115179644A

Abstract

The invention discloses a low-power-consumption ITO silver paste wiring device, and relates to the technical field of silver paste wiring. The printing device comprises a support, a movable guide rail is fixedly arranged at the top of the support, a sliding groove is formed in one side of the movable guide rail, a sliding block is movably arranged on the inner wall of the sliding groove, a clamping table is fixedly arranged on one side of the movable guide rail, a printing table is fixedly arranged on the inner side of the clamping table, and a connecting column is fixedly arranged on one side surface of the sliding block. This ITO silver thick liquid of low-power consumption walks line device, through scraping brush and the extrusion of scraper blade to screen printing plate, further messenger's slip casting pipe two receives the extrusion, and the silver thick liquid of storage pulp intracavity portion is through the feed port and evenly flows from the low end of slip casting pipe two, and then guarantees the even formation of silver thick liquid line, through setting up the slip casting pipe one and mainly being used for providing invariable abundant silver thick liquid raw materials to the inside of storage pulp chamber, and then guarantees that the phenomenon of interruption can not appear in the silver thick liquid line at the in-process of printing.

Description

Low-power-consumption ITO silver paste wiring device and process

Technical Field

The invention relates to the technical field of silver paste routing, in particular to a low-power-consumption ITO silver paste routing device and a process.

Background

Along with development of technology, electronic products gradually evolve from a button type to a touch type, wherein a layer of transparent special metal conductive substance is generally arranged below a touch screen, the metal conductive substance is used for detecting capacitance change when a user touches a finger or a contact, and the material of the transparent special metal conductive substance is mainly ITO (indium tin oxide semiconductor) conductive film, wherein silver paste wiring is generally carried out at a designated position of the film when the touch screen is manufactured, and the current wiring manufacturing mode is mostly realized by screen printing.

However, in the actual use process of the conventional wiring device, silver paste lines are mainly printed on the surface of the touch screen, the conventional printing wiring can cause waste of conductive silver paste raw materials and solidification phenomenon caused by long-time exposure of the raw materials, the quality of the subsequent wiring can be further influenced, faults and current interruption phenomenon can occur to influence the quality of the finished touch screen, and the conventional device does not have the function of drying the silver paste.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the ITO silver paste wiring device with low power consumption, which solves the problems that the traditional wiring device has single function and is easy to cause the waste of silver paste and poor wiring quality.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the low-power-consumption ITO silver paste wiring device comprises a support, wherein a movable guide rail is fixedly arranged at the top of the support, a chute is formed in one side of the movable guide rail, a sliding block is movably arranged on the inner wall of the chute, a clamping table is fixedly arranged on one side of the movable guide rail, a printing table is fixedly arranged on the inner side of the clamping table, and a connecting column is fixedly arranged on the surface of one side of the sliding block;

the top of the support is fixedly provided with a guide table, the inner side of the guide table is movably provided with a drying table, the inner side of the clamping table is fixedly provided with a clamping plate, the top of the clamping plate is movably provided with a fastening bolt, the inner wall of the printing table is inserted with a screen printing plate, the top of the guide table is fixedly provided with a support column, the top of the support column is fixedly provided with a drying lamp, the bottom of the connecting column is fixedly provided with a fixing seat, the inner side of the fixing seat is clamped with a slurry storage pipe, the top of the slurry storage pipe is provided with an air pressure connector, the top of the slurry storage pipe is provided with a slurry injection pipe I, the top of the slurry storage pipe is fixedly provided with an observation window, and the bottom of the slurry storage pipe is fixedly provided with a plate seat;

the utility model discloses a drying table, including slip casting pipe, stripper plate, drying table, locating plate, slip casting pipe, backing spring, rubber ring, feed port, support membrane plate, guide table's inboard movable mounting, the inboard grafting of stripper plate has the stripper plate, the slurry storage chamber has been seted up at the middle part of stripper plate, the inside wall fixed mounting of slurry storage chamber has the locating plate, the middle part grafting of locating plate has the slip casting pipe second, the backing spring has been cup jointed to slip casting pipe outside, slip casting pipe outside fixed mounting has the rubber ring, the feed port has been seted up at second middle part, the top fixed mounting of drying table has the support membrane plate, the inboard movable mounting of guide table has the support membrane plate.

Further, the bottom fixed mounting of fastening bolt has the rubber pad and the shape of rubber pad is circular, and wherein the quantity of centre gripping platform is two sets of and the symmetric distribution is in the both ends of printing platform, and wherein the quantity of fastening bolt is two sets of and every group quantity is three.

Further, the shape of the screen printing plate is rectangular, and the surface of the screen printing plate is provided with wire holes, wherein the size of the screen printing plate is matched with the size of the scraping plate.

Further, the quantity of fixing bases is two, and one of them is set up the thick liquids and docs the board in a set of inboard, and wherein thick liquids docs the low end of board and has seted up the bevel connection.

Further, the top of the air pressure connector is provided with a connecting port, wherein the connecting port is used for being connected with an external air duct, so that stable air pressure is provided for the inside of the pulp storage cavity.

Further, a connecting port is formed in the top end of the first grouting pipe, the connecting port is connected with an external silver paste feeding pipe, and the connecting port is used for inputting silver paste raw materials into the slurry storage cavity.

Further, the top surface of the film-placing plate and the bottom surface of the printing table are parallel to each other, wherein the screen plate is also parallel to the printing table, and the gap between the screen plate and the printing table is 1mm.

Further, the drying lamp is parallel to the film-carrying plate, and an Ultraviolet (UV) curing lamp is adopted as the drying lamp, wherein the drying lamp is independently powered by an external power supply.

Further, the bottom of scraper blade has seted up the concertina hole with slip casting pipe two adaptations, and wherein reset spring's internal diameter is greater than the internal diameter in concertina hole to reset spring's one end and the bottom fixed connection of locating plate, and the concertina hole has also been seted up on the surface of locating plate, and wherein the diameter of rubber ring is greater than the diameter in locating plate top surface concertina hole.

The silver paste wiring technology of the low-power ITO silver paste wiring device comprises the following specific steps:

s1: firstly, silk screen printing silver paste is carried out, a screen film is placed on the surface of a film placing plate, and the screen film is aligned with the bottom of a silk screen printing plate;

s2: on the basis of S1, injecting constant-pressure gas and conductive silver paste into the slurry storage cavity through an air pressure connector at the top of the slurry storage pipe and a slurry injection pipe;

s3: on the basis of S2, the sliding block is controlled to drive the slurry storage pipe and the scraping plate to do left and right reciprocating motion, and extrusion printing is carried out on the screen printing plate;

s4: forming silver paste wiring on the surface of the screen film after printing on the basis of S3;

s5: and on the basis of S4, placing the screen film containing the silver paste wiring on the surface of the film-carrying plate, and drying by a drying lamp to obtain the formed silver paste wiring.

(III) beneficial effects

The invention has the following beneficial effects:

1. this ITO silver thick liquid of low-power consumption walks line device, through scraping brush and extrusion of scraper blade to screen printing plate, further messenger's slip casting pipe two receives the extrusion, and the inside silver thick liquid of storage thick liquid intracavity passes through the feed port and follow slip casting pipe two's low-end and evenly flows, and then guarantees the even formation of silver thick liquid line.

2. This low-power consumption ITO silver thick liquid walks line device is used for retrieving the gathering to unnecessary silver thick liquid through setting up the thick liquid and waits for use next, wherein the fixing base is reciprocating motion about under the drive of slider, when squeezing the screen printing plate, the thick liquid is scraped the board and is in shrinkage state under the control of system this moment, after the printing finishes, the thick liquid is scraped the board and can be collected the silver thick liquid on screen printing plate surface this moment when doing the motion of replying, wherein carry silver thick liquid and then guarantee that the phenomenon of immobilization can not appear to the silver thick liquid through setting up slip casting pipe two to be used for carrying the screen printing plate.

3. This ITO silver thick liquid of low-power consumption walks line device is used for providing invariable abundant silver thick liquid raw materials to the inside of storing up thick liquid chamber through setting up slip casting pipe one, and then guarantees that the phenomenon that silver thick liquid line can not appear breaking in the in-process of printing.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

FIG. 1 is a schematic diagram of a low-power ITO silver paste wiring device according to the present invention;

FIG. 2 is a schematic view of a clamping table according to the present invention;

FIG. 3 is a schematic view of a slider structure according to the present invention;

FIG. 4 is a schematic view of a slurry storage tube according to the present invention;

FIG. 5 is a schematic view of the guide table structure of the present invention;

FIG. 6 is a schematic view of the structure of the scraper of the present invention;

FIG. 7 is a schematic view of a grouting pipe according to the present invention.

In the figure, 1, a bracket; 2. a movable guide rail; 3. a chute; 4. a slide block; 5. a clamping table; 6. a printing table; 7. a guide table; 8. a drying table; 9. a connecting column; 10. a clamping plate; 11. a fastening bolt; 12. a screen plate; 13. a drying lamp; 14. a fixing seat; 15. a slurry storage tube; 16. an air pressure connector; 17. an observation window; 18. grouting a first pipe; 19. a plate seat; 20. a scraper; 21. setting a membrane plate; 22. film-carrying plate; 23. a pulp storage cavity; 24. grouting pipe II; 25. a return spring; 26. a positioning plate; 27. a feed hole; 28. a rubber ring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-7, the embodiment of the present invention provides a technical solution: the low-power-consumption ITO silver paste wiring device comprises a bracket 1, wherein a movable guide rail 2 is fixedly arranged at the top of the bracket 1, a sliding groove 3 is formed in one side of the movable guide rail 2, a sliding block 4 is movably arranged on the inner wall of the sliding groove 3, a clamping table 5 is fixedly arranged on one side of the movable guide rail 2, a printing table 6 is fixedly arranged on the inner side of the clamping table 5, and a connecting column 9 is fixedly arranged on the surface of one side of the sliding block 4;

the top of the support 1 is fixedly provided with a guide table 7, the inner side of the guide table 7 is movably provided with a drying table 8, the inner side of the clamping table 5 is fixedly provided with a clamping plate 10, the top of the clamping plate 10 is movably provided with a fastening bolt 11, the inner wall of the printing table 6 is inserted with a screen printing plate 12, the top of the guide table 7 is fixedly provided with a support column, the top of the support column is fixedly provided with a drying lamp 13, the bottom of the connecting column 9 is fixedly provided with a fixing seat 14, the inner side of the fixing seat 14 is clamped with a slurry storage pipe 15, the top of the slurry storage pipe 15 is provided with an air pressure connector 16, the top of the slurry storage pipe 15 is provided with a grouting pipe 18, the top of the slurry storage pipe 15 is fixedly provided with an observation window 17, and the bottom of the slurry storage pipe 15 is fixedly provided with a plate seat 19;

the inboard of board seat 19 has pegged graft scraper blade 20, pulp storage chamber 23 has been seted up at scraper blade 20's middle part, pulp storage chamber 23's inside wall fixed mounting has locating plate 26, the middle part of locating plate 26 has pegged graft slip casting pipe two 24, reset spring 25 has been cup jointed to slip casting pipe two 24 outsides, slip casting pipe two 24 outsides fixed mounting has rubber ring 28, feed port 27 has been seted up at slip casting pipe two 24 middle parts, the top fixed mounting of stoving platform 8 has carrier plate 22, the inboard movable mounting of guide table 7 has carrier plate 21.

Specifically, the bottom ends of the fastening bolts 11 are fixedly provided with rubber pads and the rubber pads are circular in shape, wherein the number of the clamping tables 5 is two groups and symmetrically distributed at the two ends of the printing table 6, and the number of the fastening bolts 11 is two groups and three groups.

In this embodiment, the screen plate 12 is held and fixed by rotating the fastening bolts 11, wherein rubber is provided for protecting the screen plate 12, and two sets of holding tables 5 are provided for ensuring more stable holding of the screen plate 12.

Specifically, the screen plate 12 is rectangular in shape and the surface of the screen plate 12 is provided with line holes, wherein the size of the screen plate 12 is adapted to the size of the squeegee 20.

In this embodiment, the screen plate 12 is provided to position and drain the liquid silver paste, so that the silver paste is routed through the through holes provided on the surface of the screen plate 12.

Specifically, the number of the fixing bases 14 is two, wherein a slurry scraping plate is arranged on the inner side of one of the two groups, and a bevel is formed at the lower end of the slurry scraping plate.

In this embodiment, the slurry scraping plate is used for recycling and gathering the excessive silver paste to wait for the next use, wherein the fixing seat 14 is driven by the sliding block 4 to reciprocate left and right, when the screen printing plate 12 is extruded, the slurry scraping plate is in a contracted state under the control of the system, and after printing is finished, the slurry scraping plate can collect the silver paste on the surface of the screen printing plate 12 when the slurry scraping plate returns to move.

Specifically, the top end of the air pressure connector 16 is provided with a connection port for connecting with an external air duct, so as to provide stable air pressure to the inside of the pulp storage chamber 23.

In this embodiment, the air pressure connector 16 is arranged to inject constant air pressure into the slurry storage cavity 23, so that the silver slurry can flow out uniformly, and the formed silver slurry line is ensured to be more uniform.

Specifically, a connection port is formed at the top end of the first grouting pipe 18, wherein the connection port is connected with an external silver paste feed pipe, and is used for inputting silver paste raw materials into the interior of the paste storage cavity 23.

In this embodiment, the first grouting pipe 18 is provided to provide a constant and sufficient amount of silver paste raw material for the interior of the paste storage cavity 23, so as to ensure that the silver paste line is not interrupted in the printing process.

Specifically, the top surface of the mask plate 21 and the bottom surface of the printing table 6 are parallel to each other, wherein the screen plate 12 is also parallel to the printing table 6, and the gap between the screen plate 12 and the printing table 6 is 1mm.

In this embodiment, by providing the film-setting plate 21 for supporting the film to be printed, a silver paste line is formed when the screen plate 12 is pressed by the squeegee 20.

Specifically, the drying lamp 13 and the film-carrying plate 22 are parallel to each other, and the drying lamp 13 is an ultraviolet UV curing lamp, wherein the drying lamp 13 is individually powered by an external power supply.

In this embodiment, the drying lamp 13 is provided to dry and mold the unfixed silver paste wire, so as to ensure that the silver paste wire does not scatter.

Specifically, a telescopic hole adapted to the grouting pipe II 24 is formed in the bottom of the scraping plate 20, wherein the inner diameter of the reset spring 25 is larger than that of the telescopic hole, one end of the reset spring 25 is fixedly connected with the bottom of the positioning plate 26, a telescopic hole is formed in the surface of the positioning plate 26, and the diameter of the rubber ring 28 is larger than that of the telescopic hole in the top surface of the positioning plate 26.

In this embodiment, the second grouting pipe 24 is used for guiding the silver paste, so that the silver paste passes through the feeding hole 27 and uniformly flows out from the lower end of the second grouting pipe 24, and further, the uniform formation of the silver paste line is ensured.

Example 2:

s1: firstly, silk screen silver paste is printed, a screen film is placed on the surface of a film placing plate 21 and aligned with the bottom of a silk screen plate 12;

s2: on the basis of S1, constant-pressure gas and conductive silver paste are injected into a paste storage cavity 23 through a pneumatic connector 16 at the top of a paste storage tube 15 and a first paste injection tube 18;

s3: on the basis of S2, the slide block 4 is controlled to drive the pulp storage pipe 15 and the scraping plate 20 to reciprocate left and right, so that the screen printing plate 12 is extruded and printed;

s5: on the basis of S4, a screen film containing silver paste traces is placed on the surface of the film-carrying plate 22, and is dried by the drying lamp 13 to obtain the formed silver paste traces.

When in use, a screen film to be printed is placed on the surface of the film placing plate 21, then the screen printing plate 12 is placed on the inner side of the clamping table 5, the screen printing plate 12 is fixed by screwing the fastening bolts 11, then the pneumatic connector 16 and the grouting pipe I18 are respectively connected with the air inlet pipe and the air inlet pipe, conductive silver paste is added into the inner part, at the moment, the inside of the paste storage cavity 23 is filled with the conductive silver paste and constant pressure gas, the device is controlled to drive the sliding block 4 to do left and right reciprocating motion along the inner wall of the sliding groove 3, the fixing seat 14 is also driven by the sliding block 4 to do left and right reciprocating motion, when the screen printing plate 12 is extruded by the scraping plate 20, the paste scraping plate is in a contracted state under the control of the system, after printing is finished, the paste scraping plate can collect the silver paste on the surface of the screen printing plate 12 when doing restoring motion, when the silver paste on the surface of the screen plate 12 does not leak through the surface of the screen plate 12 after printing is completed, the paste does not flow to the back of the screen plate 12 due to the disappearance of the pressure applied to the screen plate 12, wherein the squeegee 20 presses the second slip casting pipe 24 and contracts along the expansion hole in the process of pressing the screen plate 12, the return spring 25 on the outer side of the second slip casting pipe 24 is compressed at this time, the rubber ring 28 is separated from the top surface of the positioning plate 26, the feed hole 27 is exposed due to the upward movement of the second slip casting pipe 24, the conductive silver paste inside the paste storage chamber 23 flows along the inner wall of the feed hole 27 due to the existence of a certain pressure inside the paste storage chamber 23, and flows out through the through hole at the bottom of the second slip casting pipe 24 due to the contact of the second slip casting pipe 24 with the surface of the screen plate 12, and then make the conductive silver paste can be abundant flow out from the through-hole on screen printing plate 12 surface and then form even silver paste line on screen film's surface, after the silver paste line shaping on screen film, pull screen printing plate 12 along guide table 7 top and make its bottom separation with screen printing plate 12, then place the screen film after walking on the surface of carrier plate 22, then make it produce certain temperature and dry silver paste line through being circular telegram drying lamp 13, make it move in the inboard of guide table 7 through manually pulling carrier plate 21, make the silver paste line obtain abundant toasting, and then obtain fashioned silver paste line.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a low-power consumption ITO silver thick liquid walks line device, includes support (1), its characterized in that: the printing device comprises a support (1), a movable guide rail (2) is fixedly arranged at the top of the support, a sliding groove (3) is formed in one side of the movable guide rail (2), a sliding block (4) is movably arranged on the inner wall of the sliding groove (3), a clamping table (5) is fixedly arranged on one side of the movable guide rail (2), a printing table (6) is fixedly arranged on the inner side of the clamping table (5), and a connecting column (9) is fixedly arranged on one side surface of the sliding block (4);

the automatic drying device is characterized in that a guide table (7) is fixedly arranged at the top of the support (1), a drying table (8) is movably arranged at the inner side of the guide table (7), a clamping plate (10) is fixedly arranged at the inner side of the clamping table (5), a fastening bolt (11) is movably arranged at the top of the clamping plate (10), a screen printing plate (12) is inserted into the inner wall of the printing table (6), a supporting column is fixedly arranged at the top of the guide table (7), a drying lamp (13) is fixedly arranged at the top of the supporting column, a fixing seat (14) is fixedly arranged at the bottom of the connecting column (9), a slurry storage pipe (15) is clamped at the inner side of the fixing seat (14), a pneumatic connector (16) is arranged at the top of the slurry storage pipe (15), a grouting pipe I (18) is arranged at the top of the slurry storage pipe (15), an observation window (17) is fixedly arranged at the top of the slurry storage pipe (15), and a plate seat (19) is fixedly arranged at the bottom of the slurry storage pipe (15).

The inner side of the plate seat (19) is inserted with a scraping plate (20), the middle part of the scraping plate (20) is provided with a slurry storage cavity (23), the inner side wall of the slurry storage cavity (23) is fixedly provided with a positioning plate (26), the middle part of the positioning plate (26) is inserted with a grouting pipe II (24), the outer side of the grouting pipe II (24) is sleeved with a reset spring (25), the outer side of the grouting pipe II (24) is fixedly provided with a rubber ring (28), the middle part of the grouting pipe II (24) is provided with a feeding hole (27), the top of the drying table (8) is fixedly provided with a membrane carrying plate (22), and the inner side of the guide table (7) is movably provided with a membrane carrying plate (21);

the number of the fixing seats (14) is two, wherein the inner side of one of the two groups is provided with a slurry scraping plate, and the bottom end of the slurry scraping plate is provided with an inclined opening;

the top end of the air pressure connector (16) is provided with a connecting port, wherein the connecting port is used for being connected with an external air duct so as to provide stable air pressure for the inside of the pulp storage cavity (23);

the bottom of the scraping plate (20) is provided with a telescopic hole matched with the grouting pipe II (24), wherein the inner diameter of the reset spring (25) is larger than that of the telescopic hole, one end of the reset spring (25) is fixedly connected with the bottom of the positioning plate (26), the surface of the positioning plate (26) is also provided with the telescopic hole, and the diameter of the rubber ring (28) is larger than that of the telescopic hole on the top surface of the positioning plate (26);

the top surface of the film-placing plate (21) is parallel to the bottom surface of the printing table (6), the screen printing plate (12) is also parallel to the printing table (6), and the gap between the screen printing plate (12) and the printing table (6) is 1mm.

2. The low-power consumption ITO silver paste wiring device according to claim 1, wherein: the bottom fixed mounting of fastening bolt (11) has the rubber pad and the shape of rubber pad is circular, and wherein the quantity of grip block (5) is two sets of and symmetric distribution in the both ends of printing platform (6), and wherein the quantity of fastening bolt (11) is two sets of and every group quantity is three.

3. The low-power consumption ITO silver paste wiring device according to claim 1, wherein: the screen printing plate (12) is rectangular in shape, and the surface of the screen printing plate (12) is provided with line holes, wherein the size of the screen printing plate (12) is matched with the size of the scraping plate (20).

4. The low-power consumption ITO silver paste wiring device according to claim 1, wherein: the top end of the grouting pipe I (18) is provided with a connecting port, wherein the connecting port is connected with an external silver paste feeding pipe, and the connecting port is used for inputting silver paste raw materials into the slurry storage cavity (23).

5. The low-power consumption ITO silver paste wiring device according to claim 1, wherein: the drying lamp (13) and the film-carrying plate (22) are parallel to each other, and the drying lamp (13) adopts an ultraviolet UV curing lamp, wherein the drying lamp (13) is independently powered by an external power supply.

6. The low-power consumption ITO silver paste wiring device according to claim 1, wherein: the silver paste wiring technology of the low-power-consumption ITO silver paste wiring device comprises the following specific steps:

s1: firstly, silk screen silver paste is printed, a screen film is placed on the surface of a film placing plate (21) and aligned with the bottom of a silk screen plate (12);

s2: on the basis of S1, constant-pressure gas and conductive silver paste are injected into a paste storage cavity (23) through a pneumatic connector (16) at the top of a paste storage pipe (15) and a first paste injection pipe (18);

s3: on the basis of S2, the slide block (4) is controlled to drive the slurry storage pipe (15) and the scraping plate (20) to do left-right reciprocating motion, and the screen printing plate (12) is extruded and printed;

s5: on the basis of S4, a screen film containing silver paste wiring is placed on the surface of a film carrying plate (22), and is dried by a drying lamp (13) to obtain the formed silver paste wiring.