CN111605306B

CN111605306B - Equipment and method for screen printing of touch screen

Info

Publication number: CN111605306B
Application number: CN202010450016.8A
Authority: CN
Inventors: 李英
Original assignee: Hunan Pufei Photoelectric Technology Co ltd
Current assignee: Hunan Pufei Photoelectric Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-06-18
Anticipated expiration: 2040-05-25
Also published as: CN111605306A

Abstract

The invention discloses a device and a method for screen printing of a touch screen, and relates to the field of touch screen processing and manufacturing equipment, wherein the device comprises: a screen printing plate storage structure, a screen printing plate cleaning structure and a printing stock cleaning structure; the screen printing plate storage structure is used for hermetically storing the screen printing plate; the printing stock cleaning structure is used for washing and air-drying the printing stock; the screen printing plate cleaning structure is used for cleaning the screen printing plate; the equipment and the method solve the problem that the silk screen printing plate is exposed in a workshop and stored to be polluted by impurities, and finally, the silk screen printing is poor.

Description

Equipment and method for screen printing of touch screen

Technical Field

The invention relates to the field of touch screen processing and manufacturing, in particular to a device and a method for screen printing of a touch screen.

Background

The silk-screen printing is an important process in the processing and manufacturing of the touch screen, and silver paste needs to be silk-screen printed on the surface of a large piece of glass or a film, and then the large piece of glass or the film is cut into small pieces of glass.

The silk screen printing is to use a silk screen as a plate base and to manufacture a silk screen printing plate with pictures and texts by a photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process.

The poor one kind condition appears in touch-sensitive screen glass silk screen printing, the breach appears in the silk screen printing pattern, the reason that the breach appears is that the workshop cleanliness is not enough, there is the foreign matter on half tone or glass or film printing stock promptly, the duplication pattern does not have fixed area position and is blockked up, lead to the breach bad, the reason is that the workshop is dustless workshop, but can't accomplish absolute dustless, still has the foreign matter in the workshop, like dust or glue dirt or impurity, the applicant has carried out the research to prior art and has found that prior art has following technical problem:

the first technical problem is that: silk screen printing forme among the prior art exposes and deposits in the workshop, takes out when needing to carry out the silk screen printing and carries out the silk screen printing on the silk screen printing machine, just washs after the silk screen printing is bad appearing in the discovery, exposes and deposits the impurity that can lead to in the workshop air and drop and lead to the silk screen printing bad on silk screen printing forme.

The second technical problem is that: in the prior art, the method for eliminating poor screen printing, namely removing impurities, is to clean the surface of a printing stock and use an adhesive tape or screen washing water or wipe the poor position of a screen printing plate, when the printing stock is cleaned, the prior art puts the printing stock into a full-automatic cleaning machine for cleaning, the cleaning machine is a cleaning machine with a conveyor belt, glass is horizontally conveyed for cleaning, is dried after being cleaned and then is conveyed to a screen printing machine, the horizontal drying needs to completely dry the adhering water on the front and back surfaces of the glass by using heat, the drying machine is an inlet at one end and an outlet at the other end and adopts the conveyor belt for conveying and drying, as the drying needs longer time (caused by low horizontal drying efficiency), the whole length of the conveyor belt is longer, the whole length of the conveyor belt type drying machine is longer, more spaces of a workshop are occupied, the layout of the workshop is inconvenient, the traditional drying process is longer, the consumed time is longer, the cost is also increased and the full automatic cleaning machine is expensive.

The third technical problem is that: the prior art uses the sticky tape or washes the net water or cleans the bad position of net version, uses the sticky tape to make screen plate surface remain glue easily, leads to adsorbing one deck silver thick liquid, leads to the waste of silver thick liquid, and silver thick liquid cost is higher, uses to wash the net water or cleans the net version and all need dry, needs the energy consumption consuming time of stoving process, has reduced production efficiency.

Disclosure of Invention

In order to solve the first technical problem described in the background art, the present invention provides an apparatus for screen printing of a touch screen.

One of the objects of the present invention is to solve the problem that a screen printing plate is exposed in a workshop and stored to be polluted by impurities, which eventually causes poor screen printing, and to achieve the above object, the present invention provides an apparatus for screen printing of a touch screen, the apparatus comprising: a screen printing plate storage structure, a screen printing plate cleaning structure and a printing stock cleaning structure; the screen printing plate storage structure is used for hermetically storing the screen printing plate; the printing stock cleaning structure is used for washing and air-drying the printing stock; the screen printing plate cleaning structure is used for cleaning the screen printing plate.

Wherein, utilize screen printing plate to deposit the structure and seal and deposit screen printing plate, avoided impurity in the workshop air to pollute screen printing plate, utilize the stock to wash the structure and can wash and air-dry the stock, avoided traditional stoving consuming time power consumption, utilize screen printing plate to wash the structure and can wash screen printing plate.

Preferably, in order to facilitate the cleaning of the screen plate, to solve the problems of using an adhesive tape or a screen washing water or wiping the screen plate, that is, to solve the third technical problem described in the background art, the present invention provides a screen plate cleaning structure, including: the device comprises a second box body, a first universal ball, a first fan, a first air pipe, a first air nozzle, a vacuum pump, a vacuum pipe, a second universal ball, a first operating rod, a first operating handle, a glass observation window, 2 first cylinders, 2 first rotating handles, 2 first bearings, 2 first rotating shafts, 2 third rotating handles and 2 first fixing cushions;

a second sealing door is arranged on the front surface of the second box body, a glass observation window is arranged on the second sealing door, a second adhesive layer is attached to the inner wall of the second box body and used for adsorbing impurities in the air in the second box body, a first through hole is arranged at the top of the second box body, a first universal ball is arranged in the first through hole, a second through hole is arranged on the first universal ball, one end of a first air pipe is communicated with an air outlet of a first fan, the other end of the first air pipe passes through the first through hole and the second through hole and then extends into the second box body to be communicated with a first air nozzle, one end of a vacuum pipe is connected with a vacuum pump, the other end of the vacuum pipe passes through the bottom of the second box body and then extends into the second box body, a third through hole is arranged on the second sealing door, the second universal ball is embedded in the third through hole, a fourth through hole is arranged on the second universal ball, one end of a first operating, the other end of the first operating rod is connected with the first operating handle, first screw holes are formed in the left side and the right side of the second box body, the outer surface of the first cylinder is in a threaded shape, the respective one end of each first cylinder penetrates through the 2 first screw holes respectively and extends into the second box body, the respective other end of each first cylinder is connected with the corresponding first rotating handle respectively, the first cylinder is in threaded connection with the second box body, a first bearing is fixed in each first cylinder respectively, the respective one end of each first rotating shaft penetrates through the corresponding first bearing and then is connected with the corresponding third rotating handle outside the second box body, and the respective other end of each first rotating shaft is connected with the corresponding first fixing pad in the second box body.

When the screen printing plate cleaning structure is used for cleaning, the second sealing door is firstly opened, the screen printing plate is placed in the second box body, then the first rotating handle is rotated, the first rotating handle drives the first cylinder to rotate, the first cylinder extends into the second box body, and then the first bearing in the first cylinder is driven to extend into the second box body, and then the first rotating shaft connected with the first bearing is driven to extend into the second box body, and then the first fixing pad connected with the first rotating shaft is driven to extend into the second box body, the screen printing plate is clamped and fixed by clamping of the left fixing pad and the right fixing pad, the second sealing door is closed after the screen printing plate is fixed, and the screen printing plate can be cleaned after the clamping and the fixing.

The cleaning mode that adopts when wasing the screen printing plate is the washing of wind, utilize the air current to blow off the mode of the impurity on screen printing plate surface promptly, and the mode of adoption is that the tuyere blows in the top, the impurity that will blow down takes out the second box through the air current from top to bottom, the air current from top to bottom is formed through the air cock of top and the vacuum tube of below bleeding, the top is blown the below and is breathed in and form the air current and take away the impurity of avoiding secondary pollution screen printing plate that blows down, and the inner wall laminating of second box has the second to paste the layer and is arranged in adsorbing the impurity in the second box air, it can be adsorbed on the inner wall with the impurity of blowing down to utilize the second to paste the layer, avoid its secondary pollution screen printing plate, improve abluent efficiency and effect.

And, when wasing the screen plate, because second box top is equipped with first through-hole, install first universal ball in the first through-hole, be equipped with the second through-hole on the first universal ball, first tuber pipe one end and the air outlet intercommunication of first fan, the first tuber pipe other end extends to in the second box with first tuyere intercommunication after passing first through-hole and second through-hole, first minute pipe can rotate and adjust the tuber pipe male degree of depth through the rotation of first universal ball promptly, be convenient for can adjust the angle and the direction of blowing, be convenient for blow the washing to each position of screen plate, the guarantee washs and does not have the dead angle comprehensively, guarantee screen plate's cleaning performance.

And, when washing the screen printing plate, because be equipped with the third through-hole on the second sealing door, the universal ball of second is inlayed in the third through-hole, be equipped with the fourth through-hole on the universal ball of second, first action bars one end extends to and is connected with the tuyere in the second box after passing third through-hole and fourth through-hole, the first action bars other end is connected with first operating handle, first action bars can rotate through the rotation of the universal ball of second promptly, and adjust the degree of depth that first action bars inserted in the second box, be convenient for operate first tuyere through first action bars, and then be convenient for control the position and the direction of first tuyere and the distance between the screen printing plate, and then can further be convenient for blow to wash each position of screen printing plate, the guarantee is washed comprehensively not have the dead angle, guarantee screen printing plate's cleaning performance.

Preferably, the screen plate storage structure of the present invention comprises: the first box, first box openly are equipped with first sealing door, and first box left side inner wall and right side inner wall have a plurality of first spouts along vertical direction symmetric distribution, and first box is used for depositing the screen plate, and its left end and right-hand member imbed respectively in first spout and first box sliding connection when the screen plate is deposited, and the regional laminating of the first spout of inner wall non-of first box has first layer of pasting to be used for adsorbing the impurity in the air in the first box.

Wherein, place the screen printing plate and seal in first box and deposit and can avoid the impurity in the workshop to pollute the screen printing plate to the regional laminating of the first spout of inner wall non-of first box has the first layer of pasting, can utilize the first layer of pasting to adsorb the impurity in the air in the first box, avoids impurity to pollute the screen printing plate, sets up the spout and is convenient for deposit and take the screen printing plate, convenient quick operation.

Wherein, silk screen printing plate detection structure has still been designed in this equipment, and silk screen printing plate detection structure is used for observing the silk screen printing plate after wasing, observes and judges whether silk screen printing plate washs thoroughly, whether has remaining impurity, whether needs further washing, and then the silk screen printing plate that the guarantee carried out the silk screen printing accords with the requirement sanitization thoroughly, and then the effect of guarantee silk screen printing.

Wherein, the equipment in this equipment still includes screen printing plate detection structure, the structure includes:

the device comprises a third box body, a lighting lamp, a third universal ball, a fourth universal ball, a second operating rod, a second operating handle, a display, a camera, a data line, 2 second cylinders, 2 second rotating handles, 2 second bearings, 2 fourth rotating handles, a second rotating shaft and 2 second fixing cushions;

a third box body which is a transparent box body, a lighting lamp is arranged on the inner wall of the third box body, a third sealing door is arranged on the front surface of the third box body, a fifth through hole is arranged at the top of the third box body, a third universal ball is arranged in the fifth through hole, a sixth through hole is arranged on the third universal ball, one end of a data line is connected with a display, the other end of the data line passes through the fifth through hole and the sixth through hole and then extends into the third box body to be connected with a camera, a seventh through hole is arranged on the third sealing door, a fourth universal ball is embedded in the seventh through hole, an eighth through hole is arranged on the fourth universal ball, one end of a second operating rod passes through the seventh through hole and the eighth through hole and then extends into the third box body to be connected with the camera, the other end of the second operating rod is connected with a second operating handle, second screw holes are respectively arranged on the left side and the right side of the third box body, the outer surface of the second cylinder is in a threaded shape, the other end of each of the 2 second cylinders is connected with a corresponding second rotating handle respectively, the second cylinders are in threaded connection with the third box body, a second bearing is fixed in each of the 2 second cylinders, one end of each of the 2 second rotating shafts penetrates through the corresponding second bearing and then is connected with a corresponding fourth rotating handle outside the third box body, and the other end of each of the 2 second rotating shafts is connected with a corresponding second fixing pad in the third box body.

The principle and the using mode of the silk screen printing plate detection in the invention are as follows: when the cleaned screen printing plate needs to be detected and whether the detection is qualified or not is judged, firstly, the third sealing door is opened, the cleaned screen printing plate is placed in the third box body, the cleaned screen printing plate is fixed, then, the third sealing door is closed, and the fixing mode is as follows:

then the second rotating handle is rotated, the second rotating handle drives the second cylinder to rotate, the second cylinder extends into the third box body, a second bearing in the second cylinder is driven to extend into the third box body, a second rotating shaft connected with the second bearing is driven to extend into the third box body, a second fixing pad connected with the second rotating shaft is driven to extend into the third box body, the screen printing plate is clamped and fixed through clamping of the left and right second fixing pads, the third sealing door is closed after the screen printing plate is fixed, observation can be carried out after the clamping is fixed, and a lighting lamp is arranged in the third box body to facilitate observation of whether impurities exist on the screen printing plate.

When the screen printing plate is observed, in order to facilitate the observation of the screen printing plate and the observation of each position and corner of the screen printing plate, the screen printing plate detection structure is designed, a fifth through hole is arranged at the top of a third box body, a third universal ball is arranged in the fifth through hole, a sixth through hole is arranged on the third universal ball, one end of a data line is connected with a display, the other end of the data line passes through the fifth through hole and the sixth through hole and then extends into the third box body to be connected with a camera, the angle and the direction of an image collected by the camera can be adjusted by rotating the third universal ball and adjusting the depth of the data line inserted into the third box body, a seventh through hole is arranged on a third sealing door, the fourth universal ball is embedded in the seventh through hole, an eighth through hole is arranged on the fourth universal ball, one end of a second operating rod passes through the seventh through hole and the eighth through hole and then extends into the third box, the other end of the second operating rod is connected with the second operating handle, the fourth universal ball can be rotated, the depth of the second operating rod inserted into the third box body can be adjusted, the angle and the direction of the image collected by the camera can be adjusted, and therefore the screen printing plate can be observed conveniently, and every position and corner of the screen printing plate can be observed.

Preferably, the lighting lamp in the equipment is arranged on the inner wall of the back face of the third box body, and the surfaces of the first fixing pad and the second fixing pad are both provided with a layer of dust-free cloth. Utilize dustless cloth can carry out buffer protection to the screen printing plate by the centre gripping, and dustless cloth is difficult to produce the dust, can avoid carrying out secondary pollution to the screen printing plate.

Preferably, the substrate cleaning structure in the apparatus comprises: the cleaning part is used for cleaning the printing stock, and the air drying part is used for air drying the cleaned printing stock;

the air-dry portion includes: the air conditioner comprises a base, a conveying belt, an air heater, a main air pipe, a plurality of sub-air pipes, a plurality of first air nozzles, a conveying cover, a fixed disc, a first telescopic rod, a first supporting pad, a second telescopic rod and a second supporting pad;

the conveying belt is arranged on the upper surface of the base, two ends of the conveying belt are respectively arranged at two ends of the base, the conveying cover is fixedly arranged on the upper surface of the base, the conveying belt is arranged between the inner surface of the conveying cover and the upper surface of the base, one end of the conveying belt is an air drying inlet, the other end of the conveying belt is an air drying outlet, one end of the main air pipe is connected with an air outlet of the air heater, the other end of the main air pipe is connected with one end of each of the sub air pipes through a flow dividing valve, the other end of each of the sub air pipes penetrates through the conveying cover and then is respectively connected with; the fixed disk upper surface is equipped with the stock fixed slot, during the air-dry stock lower extreme embedding stock fixed slot in, first telescopic link one end and the left fixed disk upper surface of stock fixed slot are connected, the first telescopic link other end extends back and first supporting pad back connection to stock fixed slot top, second telescopic link one end and the fixed disk upper surface on stock fixed slot right side are connected, the second telescopic link other end extends back and second supporting pad back connection to stock fixed slot top, first supporting pad and second supporting pad are used for the cooperation to support the side about the stock.

Wherein, the invention is designed to solve the second technical problem in the background art, the cleaning part in the invention is used for cleaning the printing stock as the cleaning part in the prior art, but the drying in the prior art is adopted, namely, the drying is carried out by utilizing a dryer, the dryer in the prior art is a transmission belt dryer, the cleaned printing stock, namely, a glass sheet or a film sheet, is flatly paved on a transmission belt, then the transmission belt is positioned below a transmission belt cover, a heating pipe is arranged on the transmission belt cover for heating and drying, the drying mode is flat paving, the drying is slow, the heating and drying are adopted, no wind is used for accelerating the drying, the drying efficiency is low, the drying time is long, the transmission belt needs to be designed to be longer, and the transmission belt dryer occupies a larger space in a workshop, in order to solve the problems, the invention designs a printing stock cleaning structure, and the principle of the printing stock cleaning structure is as follows:

firstly when air-drying, the fixed disk upper surface is equipped with the stock fixed slot, stock lower extreme embedding stock fixed slot when air-drying, be about to the stock glass piece or the film piece is vertical promptly, traditional flat lying has been avoided, vertical air-dry of getting up can make the drop of water on surface because the effect of gravity is gliding with higher speed, and under the effect of first air nozzle hot-blast, gravity flows and hot-blast air-dry effect that can accelerate glass in addition, compare traditional drying-machine, air-dry efficiency is higher, shorten air-dry time, consequently, do not need longer conveyer belt can accomplish the air-dry, therefore, the whole length of air-dry conveyer is shorter, it is less to occupy the workshop space, and air-dry efficiency has been improved, energy consumption and cost have been saved.

When the air-drying device is used for air-drying glass, the air heater generates hot air, the hot air is transmitted through the main air pipe and is distributed to the sub-air pipes through the flow dividing valve, and the hot air in the sub-air pipes is discharged through the first air nozzle to air-dry the glass.

And in order to prevent that glass from taking place to turn on one's side after vertical air-drying with glass, still designed first telescopic link one end and the left fixed disk upper surface connection of stock fixed slot in this structure, the first telescopic link other end extends back and first supporting pad back connection to stock fixed slot top, the fixed disk upper surface connection on second telescopic link one end and stock fixed slot right side, the second telescopic link other end extends back and second supporting pad back connection to stock fixed slot top, first supporting pad and second supporting pad are used for the cooperation to support the side about the stock, it is specific to utilize first telescopic link and second telescopic link to adjust, it supports to utilize first supporting pad and second supporting pad to be used for the cooperation to the side about the stock to adjust after the distance, prevent its side of turning on one's side that leads to because vertical back focus is high, protect glass.

Preferably, the transmission cover in the equipment comprises: the upper cover plate, the left cover plate and the right cover plate are arranged on the base, the upper end of the left cover plate is connected with the left end of the upper cover plate, the upper end of the right cover plate is connected with the right end of the upper cover plate, the lower end of the left cover plate is connected with the left side of the upper surface of the base, and the lower end of the right cover plate is connected with the right side of the. The left cover plate and the right cover plate are the same in height and are larger than the maximum height of a printing stock.

Preferably, the transfer cover is a glass cover. The design is that the glass lid is convenient for observe air-dried effect and process.

Preferably, the air trunk further includes: the device comprises a first piston, a second piston, a third piston, a first connecting rod, a second connecting rod, a first roller and a second roller;

the fixed disc is provided with a ninth through hole penetrating through the left side surface and the right side surface, the ninth through hole is communicated with the printing stock fixing groove, a first piston matched with the printing stock fixing groove in shape is installed in the printing stock fixing groove, the lower end of the printing stock is connected with the upper end of the first piston when embedded in the printing stock fixing groove, the left half part of the ninth through hole is internally provided with a second piston matched with the ninth through hole in shape, the right half part of the ninth through hole is internally provided with a third piston matched with the ninth through hole in shape, a first closed cavity is formed by the ninth through hole among the first piston, the second piston and the third piston and the printing stock fixing groove, air or liquid is filled in the first closed cavity, the left end of a first connecting rod is connected with a first roller, the right end of the first connecting rod is connected with a second piston, the right end of the second connecting rod is connected with a second roller, the left end of the second connecting rod is connected with the third, the interval between the left cover plate and the right cover plate at the air-drying inlet is larger than the interval between the left cover plate and the right cover plate at the air-drying outlet, and the interval between the left cover plate and the right cover plate from the air-drying inlet to the air-drying outlet is uniformly reduced.

The inventor of the application finds that the air drying part is poor in air drying effect due to the blocking of the first supporting pad and the second supporting pad and the fact that the glass part is inserted into the printing stock fixing groove, and therefore the air drying part is improved and designed to be as follows: the transmission belt drives the fixed disc to move so as to drive the first roller and the second roller to be attached to the inner walls of the left side and the right side of the transmission cover to slide, the distance between the left cover plate and the right cover plate at the air drying inlet is larger than the distance between the left cover plate and the right cover plate at the air drying outlet, and the distance between the left cover plate and the right cover plate from the air drying inlet to the air drying outlet is uniformly reduced, so that the distance between the first roller and the second roller is continuously reduced in the sliding process, the first connecting rod drives the second piston to slide rightwards, the second connecting rod drives the third piston to slide leftwards, the movement of the second piston and the third piston pushes the gas or liquid in the first closed cavity to move, finally, the first piston moves upwards, the printing stock connected with the first piston is driven to move upwards, and the printing stock slowly moves upwards due to the movement of, the part of the printing stock inserted into the printing stock fixing groove is partially exposed, so that the area of the inserted blocked part is reduced, and the whole air-dried effect is improved.

The area of the first supporting pad and the area of the second supporting pad are proper, the supporting requirements can be met, the smaller the area of the first supporting pad and the second supporting pad is, the better the area of the first supporting pad and the second supporting pad is, the smaller the area of the blocked printing stock is, the difference between the distance between the left cover plate and the right cover plate at the air drying inlet and the distance between the left cover plate and the right cover plate at the air drying outlet is proper, the change position caused by the difference is required to be met, the first piston is prevented from completely pushing the glass out of the printing stock fixing groove, and namely the up-down distance of the movement of the first piston is smaller than the depth of the glass inserted into the printing.

Preferably, in the equipment, the upper surface of the transmission belt is in a tooth shape, the lower surface of the fixed disc is in a tooth shape, and the transmission belt is matched and connected with the fixed disc. The purpose of design like this makes zonulae occludens between transmission band and the fixed disk, and the transmission band can drive the fixed disk and remove, avoids taking place to slide.

The invention also provides a silk-screen method based on the equipment for touch screen silk-screen printing, which comprises the following steps:

taking out the sealed and preserved silk screen printing plate for cleaning,

detecting the cleaned screen printing plate, judging whether the cleaning is qualified, and if so, placing the screen printing plate on a screen printing machine for screen printing; if the cleaning is unqualified, continuing cleaning;

cleaning the printing stock, air-drying the cleaned printing stock, and placing the air-dried printing stock on a screen printing machine for screen printing.

One or more technical schemes provided by the invention at least have the following technical effects or advantages:

the screen printing plate storage structure is used for storing the screen printing plate in a sealing manner, so that the screen printing plate is prevented from being polluted by impurities in workshop air.

When the screen printing plate is cleaned, air is blown from the upper part, air is sucked from the lower part to form air flow, blown impurities are taken away, secondary pollution of the screen printing plate is avoided, the second adhesive layer is attached to the inner wall of the screen printing plate and used for adsorbing the impurities in the air, secondary pollution of the screen printing plate is avoided, and cleaning efficiency and effect are improved.

When wasing the screen printing plate, can adjust the angle and the direction of blowing to and the position and the direction of the first tuyere of control and the screen printing plate between the distance, be convenient for blow the washing to each position of screen printing plate, the guarantee washs and does not have the dead angle comprehensively, the cleaning performance of guarantee screen printing plate.

The screen printing plate detection structure is designed in the screen printing plate detection device, and is used for observing the cleaned screen printing plate, observing and judging whether the screen printing plate is thoroughly cleaned or not, whether residual impurities exist or not, whether further cleaning is needed or not, and further ensuring that the screen printing plate for screen printing is in accordance with the requirement, is thoroughly cleaned and further ensures the screen printing effect.

The observation structure in the invention can facilitate the observation of the screen printing plate and the observation of each position and corner of the screen printing plate.

The air drying conveyor has the advantages that the air drying efficiency is higher, the air drying time is shortened, the air drying can be completed without a longer conveyor belt, the overall length of the air drying conveyor is shorter, the occupied workshop space is smaller, the air drying efficiency is improved, and the energy consumption and the cost are saved.

The air drying structure can also prevent the glass from turning over after the glass is vertically air-dried, so that the glass is protected.

The invention can enable the part of the printing stock blocked by the first supporting pad and the second supporting pad to be exposed and dried slowly during air drying, and part of the printing stock inserted into the printing stock fixing groove is exposed, thereby reducing the area of the blocked part and increasing the whole effect of air drying.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention;

fig. 1 is a schematic view of the external structure of a screen plate cleaning structure in an embodiment of the present invention;

FIG. 2 is a schematic view showing an internal structure of a second casing in the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first via in an embodiment of the invention;

FIG. 4 is a schematic structural diagram of a second sealing door in the embodiment of the present invention;

FIG. 5 is a schematic structural view of a screen printing plate storage structure in the embodiment of the invention;

FIG. 6 is a schematic structural view of a screen printing plate detecting structure in the embodiment of the present invention;

FIG. 7 is a schematic side view of a seasoning in an embodiment of the present invention;

FIG. 8 is a schematic view showing the structure of a seasoning portion in the embodiment of the present invention;

FIG. 9 is a schematic structural view of a fixing plate in the embodiment of the present invention;

FIG. 10 is a schematic flow chart of a screen printing method according to an embodiment of the present invention;

wherein, 1-a second box body, 2-a first fan, 3-a first air pipe, 4-a vacuum pump, 5-a vacuum pipe, 6-a first operating rod, 7-a first operating handle, 8-a glass observation window, 9-a first cylinder, 10-a first rotating handle, 11-a first bearing, 12-a first rotating shaft, 13-a third rotating handle, 14-a second sealing door, 15-a first air nozzle, 16-a first fixing pad, 17-a silk screen printing plate, 18-a first through hole, 19-a first universal ball, 20-a second through hole, 21-a third through hole, 22-a second universal ball, 23-a fourth through hole, 24-a first box body, 25-a third box body, 26-a lighting lamp, 27-a display and 28-a camera, 29-data line, 30-second cylinder, 31-second rotating handle, 32-second bearing, 33-fourth rotating handle, 34-second rotating shaft, 35-second fixing pad, 36-base, 37-conveying belt, 38-conveying cover, 39-hot air blower, 40-main air duct, 41-shunt valve, 42-sub air duct, 43-first air nozzle, 44-fixing disk, 45-first telescopic rod, 46-first supporting pad, 47-second telescopic rod, 48-second supporting pad, 49-printing stock, 50-first piston, 51-second piston, 52-third piston, 53-first connecting rod, 54-second connecting rod, 55-first roller, 56-second roller, 57-ninth through hole, 58-substrate fixing groove, second operating lever 59, second operating handle 60.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

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

Example one

The embodiment of the invention provides equipment for silk screen printing of a touch screen, which comprises:

a screen printing plate storage structure, a screen printing plate cleaning structure and a printing stock cleaning structure; the screen printing plate storage structure is used for hermetically storing the screen printing plate; the printing stock cleaning structure is used for washing and air-drying the printing stock; the screen printing plate cleaning structure is used for cleaning the screen printing plate.

Referring to fig. 1 to 4, the screen plate cleaning structure includes: the device comprises a second box body 1, a first universal ball 19, a first fan 2, a first air pipe 3, a first air nozzle 15, a vacuum pump 4, a vacuum pipe 5, a second universal ball 22, a first operating rod 6, a first operating handle 7, a

glass observation window

8, 2

first cylinders

9, 2 first

rotating handles

10, 2

first bearings

11, 2 first

rotating shafts

12, 2 third

rotating handles

13 and 2 first fixing cushions 16;

the front surface of the second box body is provided with a second sealing door 14, the second sealing door is provided with a glass observation window, the glass observation window is designed for facilitating observation, the second box body is usually cuboid, the inner wall of the second box body is attached with a second adhesive layer for adsorbing impurities in the air in the second box body, the top of the second box body is provided with a first through hole 18, a first universal ball is arranged in the first through hole, a second through hole 20 is arranged on the first universal ball, one end of a first air pipe is communicated with an air outlet of a first fan, the other end of the first air pipe extends into the second box body after penetrating through the first through hole and the second through hole and is communicated with a first air nozzle, one end of a vacuum pipe is connected with a vacuum pump, the other end of the vacuum pipe extends into the second box body after penetrating through the bottom of the second box body, the second sealing door is provided with a third through hole 21, the second universal ball 22 is embedded in the third through, one end of a first operating rod passes through a third through hole and a fourth through hole and then extends into a second box body to be connected with an air nozzle, the other end of the first operating rod is connected with a first operating handle, the left side and the right side of the second box body are both provided with first screw holes, the outer surface of a first cylinder is in a thread shape, the purpose of the design is that the first cylinder is in threaded connection with the second box body, when the first cylinder is rotated, the first cylinder can move forwards or backwards in the first screw holes, one end of each of 2 first cylinders respectively passes through 2 first screw holes and extends into the second box body, the other end of each of 2 first cylinders is respectively connected with a corresponding first rotating handle, the first cylinder is in threaded connection with the second box body, a first bearing is respectively fixed in each of 2 first cylinders, one end of each of 2 first rotating shafts passes through a corresponding first bearing and then is connected with a corresponding third rotating handle outside the second box body, the other end of each of the 2 first rotating shafts is connected with a corresponding first fixing pad in the second box body.

The impurities may be dust or adhesive dust and other impurities which can be scattered in the air of the workshop, and the adhesive layer may be a sticky glue layer or an adhesive tape layer.

The first universal ball can rotate in the first through hole, and the diameter of the first universal ball is matched with the aperture size of the first through hole. First fan is connected with the power, and first fan is equipped with corresponding control switch or button, and the vacuum pump is connected with the power, is equipped with corresponding control switch or button equally, and the vacuum pump can be through the vacuum tube to bleeding in the second box. The outer wall of the first bearing is fixedly connected with the inner wall of the first cylinder, the first rotating shaft penetrates through the first bearing and is in sliding connection with the first bearing, and the first rotating shaft can rotate on the first bearing.

The first fixing pad can be a pad made of dust-free cloth, and the dust-free cloth can buffer and prevent the screen printing plate 17 from being polluted.

Wherein, can drive 2 first fixing pads 16 through rotating 2 first twist grip 10 and advance or retreat in to the second box and carry out the centre gripping fixedly to screen plate 17 from the left and right sides, fixed back is convenient for wash, has washd one face after, through rotating 2 third twist grip 13 and then drive 2 first fixing pads 16 and rotate, and then drive screen plate 17 and rotate, and then realized that screen plate 17's turn-over is washd.

The first rotating handle and the third rotating handle are both circular rings, two ends of the first cylinder are in an opening shape, the third rotating handle is located in the first cylinder, the diameter of the third rotating handle is smaller than the inner diameter of the first cylinder, and the third rotating handle extends towards the end, far away from the first box, of the first cylinder.

Example two

Referring to fig. 5, in a second embodiment of the present invention, a screen printing plate storage structure includes: first box 24, first box are the cuboid form, and first box openly is equipped with first sealing door, and first box left side inner wall and right side inner wall have a plurality of first spouts along vertical direction symmetric distribution, and first box is used for depositing screen plate 17, and its left end and right-hand member imbed respectively in first spout with first box sliding connection when screen plate deposits, and the regional laminating of the first spout of inner wall non-of first box has first layer of pasting to be arranged in adsorbing the impurity in the air in the first box. The first sliding grooves on the left inner wall and the right inner wall of the first box body are mutually symmetrical.

EXAMPLE III

In the third embodiment of the present invention, referring to fig. 6, the apparatus further includes a screen printing plate detecting structure, and the structure includes:

a third box 25, an illuminating lamp 26, a third universal ball, a fourth universal ball, a second operating rod 59, a second operating handle 60, a display 27, a camera 28, a

data line

29, 2

second cylinders

30, 2 second

rotating handles

31, 2

second bearings

32, 2 fourth rotating handles 33, a second

rotating shaft

34 and 2 second fixing pads 35;

a third box body which is a transparent box body and is in a cuboid shape, the illuminating lamp is arranged on the inner wall of the third box body, the illuminating lamp is an LED illuminating lamp, a third sealing door is arranged on the front surface of the third box body, a fifth through hole is arranged at the top of the third box body, a third universal ball is arranged in the fifth through hole, the diameter of the third universal ball is matched with the aperture size of the fifth through hole, a sixth through hole is arranged on the third universal ball, one end of a data line is connected with a display, the other end of the data line passes through the fifth through hole and the sixth through hole and extends into the third box body to be connected with a camera, the image of the silk screen is collected through the camera, the collected data is transmitted to the display and the computer at the rear end through the data line to be displayed, a seventh through hole is arranged on the third sealing door, the fourth universal ball is embedded in the seventh through hole, the diameter of the fourth universal ball is matched with the aperture size of the, be equipped with the eighth through-hole on the universal ball of fourth, second action bars one end extends to and is connected with the camera in the third box after passing seventh through-hole and eighth through-hole, the second action bars other end is connected with second operating handle, the second screw has all been seted up to the third box left and right sides, second drum surface is the screw thread form, 2 the respective one end of second drum passes 2 second screws respectively and extends to in the third box, 2 the respective other end of second drum is connected with corresponding second twist grip respectively, second drum and third box threaded connection, be fixed with a second bearing in 2 the second drum respectively, the respective one end of 2 second axis of rotation is connected with the outer corresponding fourth twist grip of third box after passing corresponding second bearing respectively, the respective other end of 2 second axis of rotation is connected with the interior corresponding second fixed bolster of third box respectively.

The structure of the fifth via is similar to that of the first via, please refer to fig. 3 in the third embodiment, and the structure of the third sealing gate is similar to that of the second sealing gate in the third embodiment, as shown in fig. 4 in the third embodiment.

Wherein, the display is connected with the power, and display and camera are equipped with corresponding control switch or button, second bearing outer wall and second drum inner wall fixed connection, and both sliding connection of second bearing are passed to the second axis of rotation, and the second axis of rotation can rotate on the second bearing.

In this embodiment, the illuminating lamp is installed on the inner wall of the back surface of the third box body, and the surfaces of the first fixing pad and the second fixing pad are both provided with a layer of dust-free cloth.

The second rotating handle is annular, so that an operator can conveniently rotate the fourth rotating handle by passing a hand through the second rotating handle.

Example four

In a fourth embodiment of the present invention, the substrate cleaning structure includes: the cleaning part is used for cleaning the printing stock, the cleaning part can be a cleaning machine in the prior art and can be used for cleaning glass or films, the type of the cleaning machine is not limited in the invention, and the air drying part is used for drying the cleaned printing stock;

referring to fig. 7 to 8, the seasoning part includes: the device comprises a base 36, a transmission belt 37, a hot air blower 39, a main air pipe 40, a plurality of sub air pipes 42, a plurality of first air nozzles 43, a transmission cover 38, a fixed disc 44, a first telescopic rod 45, a first supporting pad 46, a second telescopic rod 47 and a second supporting pad 48;

the conveying belt is arranged on the upper surface of the base, two ends of the conveying belt are respectively arranged at two ends of the base, the conveying cover is fixedly arranged on the upper surface of the base, the conveying belt is arranged between the inner surface of the conveying cover and the upper surface of the base, one end of the conveying belt is an air drying inlet, the other end of the conveying belt is an air drying outlet, one end of the main air pipe is connected with an air outlet of the air heater, the other end of the main air pipe is connected with one end of each of the sub air pipes through a flow dividing valve 41, the other end of each of the sub air pipes penetrates through the conveying cover and then is respectively connected with; the fixed disk upper surface is equipped with the stock fixed slot, 49 lower extreme embedding stock fixed slots of stock during the air-dry, first telescopic link one end and the left fixed disk upper surface connection of stock fixed slot, the first telescopic link other end extends back and first supporting pad back connection to stock fixed slot top, fixed disk upper surface connection on second telescopic link one end and stock fixed slot right side, the second telescopic link other end extends back and second supporting pad back connection to stock fixed slot top, first supporting pad and second supporting pad are used for the cooperation to support the side about the stock.

Wherein, in this embodiment, the transmission lid includes: the upper cover plate, the left cover plate and the right cover plate are arranged on the base, the upper end of the left cover plate is connected with the left end of the upper cover plate, the upper end of the right cover plate is connected with the right end of the upper cover plate, the lower end of the left cover plate is connected with the left side of the upper surface of the base, and the lower end of the right cover plate is connected with the right side of the.

Wherein, in this embodiment, the transmission cover is a glass cover.

Wherein, first telescopic link 45 and second telescopic link 47 can be manual telescopic link also can be electric telescopic handle, and first supporting pad 46 and second supporting pad 48 can be for adopting the mat that dustless cloth made and form.

EXAMPLE five

In an embodiment of the present invention, referring to fig. 9, the wind part further includes: a first piston 50, a second piston 51, a third piston 52, a first connecting rod 53, a second connecting rod 54, a first roller 55, and a second roller 56;

the fixed disk is provided with a ninth through hole 57 penetrating through the left side surface and the right side surface, the ninth through hole is communicated with a printing stock fixing groove 58, a first piston matched with the shape of the printing stock fixing groove is arranged in the printing stock fixing groove, the lower end of the printing stock is connected with the upper end of the first piston when embedded in the printing stock fixing groove, a second piston matched with the shape of the ninth through hole is arranged in the left half part of the ninth through hole, a third piston matched with the shape of the ninth through hole is arranged in the right half part of the ninth through hole, a ninth through hole among the first piston, the second piston and the third piston and the printing stock fixing groove form a first closed cavity, air or liquid is filled in the first closed cavity, the left end of a first connecting rod is connected with the first roller, the right end of the first connecting rod is connected with the second piston, the right end of the second connecting rod is connected, first gyro wheel and second gyro wheel are used for respectively sliding at the inner wall of left side apron and right side apron, and the interval between left side apron and the right side apron of air-drying entrance is greater than the interval between left side apron and the right side apron of air-drying exit, and evenly diminishes from the interval of air-drying entrance to air-drying exit between left side apron and the right side apron.

In this embodiment, the upper surface of the transmission belt is in a tooth shape, the lower surface of the fixed disc is in a tooth shape, and the transmission belt and the fixed disc are connected in a matched manner. If in the tooth's socket of the protruding tooth piece embedding transmission band upper surface of fixed disk lower surface to and the tooth's socket of the protruding tooth piece embedding fixed disk lower surface of transmission band upper surface, both form the meshing, the design makes to be connected between the two and closely avoids sliding, can the atress, and the fixed disk can drive the inner wall slip of first gyro wheel and second gyro wheel and left side apron and right side apron promptly, and does not take place relative slip with the transmission band.

Wherein, when the conveyer belt removed, the conveyer belt drove the fixed disk and removes, first gyro wheel 55 and second gyro wheel 56 slide at the inner wall of left side apron and right side apron respectively, because evenly diminish from air-dry entrance to the interval between air-dry exit left side apron and the right side apron, consequently, the gyro wheel can be through first connecting rod 53 and second connecting rod 54 with second piston 51 and third piston 52 to the central extrusion of first airtight cavity, and then up top first piston 50, with the stock slow rebound on the first piston 50, in the in-process that removes need avoid stock 49 to drop from stock fixed slot 60 completely, consequently, the interval between the left side apron of air-dry entrance and the right side apron and the interval difference between the left side apron and the right side apron of air-dry exit need control in predetermineeing the within range.

Wherein, in order to ensure the use effect, a sealing gasket or a sealing ring is arranged at the contact part of the piston and the through hole or the groove in a matching way.

EXAMPLE six

Referring to fig. 10, a sixth embodiment of the present invention provides a screen printing method based on the apparatus for screen printing of a touch screen, where the method includes:

taking out the sealed and stored screen printing plate for cleaning;

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An apparatus for screen printing of touch screens, the apparatus comprising:

a screen printing plate storage structure, a screen printing plate cleaning structure and a printing stock cleaning structure; the screen printing plate storage structure is used for hermetically storing the screen printing plate; the printing stock cleaning structure is used for washing and air-drying the printing stock; the screen printing plate cleaning structure is used for cleaning the screen printing plate;

wherein, screen printing plate washs structure includes: the device comprises a second box body, a first universal ball, a first fan, a first air pipe, a first air nozzle, a vacuum pump, a vacuum pipe, a second universal ball, a first operating rod, a first operating handle, a glass observation window, 2 first cylinders, 2 first rotating handles, 2 first bearings, 2 first rotating shafts, 2 third rotating handles and 2 first fixing cushions;

a second sealing door is arranged on the front surface of the second box body, a glass observation window is arranged on the second sealing door, a second adhesive layer is attached to the inner wall of the second box body and used for adsorbing impurities in the air in the second box body, a first through hole is arranged at the top of the second box body, a first universal ball is arranged in the first through hole, a second through hole is arranged on the first universal ball, one end of a first air pipe is communicated with an air outlet of a first fan, the other end of the first air pipe passes through the first through hole and the second through hole and then extends into the second box body to be communicated with a first air nozzle, one end of a vacuum pipe is connected with a vacuum pump, the other end of the vacuum pipe passes through the bottom of the second box body and then extends into the second box body, a third through hole is arranged on the second sealing door, the second universal ball is embedded in the third through hole, a fourth through hole is arranged on the second universal ball, one end of a first operating, the other end of the first operating rod is connected with a first operating handle, the left side and the right side of the second box body are both provided with first screw holes, the outer surface of each first cylinder is in a threaded shape, one end of each of 2 first cylinders respectively penetrates through the 2 first screw holes to extend into the second box body, the other end of each of 2 first cylinders is respectively connected with a corresponding first rotating handle, the first cylinders are in threaded connection with the second box body, a first bearing is respectively fixed in each of 2 first cylinders, one end of each of 2 first rotating shafts is connected with a corresponding third rotating handle outside the second box body after penetrating through the corresponding first bearing, and the other end of each of 2 first rotating shafts is connected with a corresponding first fixing pad in the second box body;

the screen plate storage structure includes: the front surface of the first box body is provided with a first sealing door, a plurality of first sliding grooves are symmetrically distributed on the inner wall of the left side and the inner wall of the right side of the first box body along the vertical direction, the first box body is used for storing a screen printing plate, the left end and the right end of the screen printing plate are respectively embedded into the first sliding grooves and are in sliding connection with the first box body when the screen printing plate is stored, and a first adhesive layer is attached to a non-first sliding groove area of the inner wall of the first box body and is used for adsorbing impurities in the air in the first box body;

the printed material cleaning structure comprises: the cleaning part is used for cleaning the printing stock, and the air drying part is used for air drying the cleaned printing stock;

2. The apparatus for screen printing of touch screens of claim 1, further comprising a screen printing plate detection structure, said structure comprising:

3. The apparatus for screen printing of the touch screen according to claim 2, wherein the illuminating lamp is installed on an inner wall of a back surface of the third casing, and a layer of dust-free cloth is disposed on surfaces of the first fixing pad and the second fixing pad.

4. The apparatus for screen printing of touch screens of claim 1, wherein the transmission cover comprises: the upper cover plate, the left cover plate and the right cover plate are arranged on the base, the upper end of the left cover plate is connected with the left end of the upper cover plate, the upper end of the right cover plate is connected with the right end of the upper cover plate, the lower end of the left cover plate is connected with the left side of the upper surface of the base, and the lower end of the right cover plate is connected with the right side of the.

5. The apparatus for screen printing of touch screens of claim 4, wherein the plenum further comprises: the device comprises a first piston, a second piston, a third piston, a first connecting rod, a second connecting rod, a first roller and a second roller;

6. The apparatus of claim 5, wherein the upper surface of the transmission belt is toothed, the lower surface of the fixed plate is toothed, and the transmission belt is connected with the fixed plate in a matching manner.

7. A silk-screen method of the device for silk-screen of touch screen according to any one of claims 1 to 6, wherein the method comprises:

taking out the sealed and preserved silk screen printing plate for cleaning,