CN217373831U

CN217373831U - Curved glass silk screen printing device

Info

Publication number: CN217373831U
Application number: CN202221044318.6U
Authority: CN
Inventors: 李青; 李赫然; 何小明; 向鸿; 邓鸿; 吕先跃; 张亚莉
Original assignee: Sichuan Xuhong Optoelectronic Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Current assignee: Sichuan Xuhong Optoelectronic Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-06
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a curved surface glass silk screen printing device, include: a working base; the vertical guide rail assembly is vertically arranged on the working base; the horizontal guide rail assembly can move up and down in the vertical direction of the vertical guide rail assembly; the mounting support arms are respectively arranged at two ends of the horizontal guide rail component along the horizontal extending direction in a sliding manner; the curved surface profiling mesh plate is matched with the curved surface glass in shape and is detachably connected with the pair of mounting support arms respectively, and the curved surface profiling mesh plate has a working state of being attached to the curved surface glass and a standby state of being far away from the curved surface glass; the screen printing seat is used for placing curved glass; the scraper component comprises a scraper matched with the shape of a curved glass bus, the scraper is slidably mounted on the horizontal guide rail component and is arranged between the pair of mounting support arms, and the scraper can uniformly scrape ink on the curved glass to complete silk screen printing. The utility model provides a curved surface glass silk screen printing device can ensure the printing quality of final formation, has solved the unsatisfactory problem of printing effect.

Description

Curved glass silk screen printing device

Technical Field

The utility model relates to a curved surface glass printing technology field specifically relates to a curved surface glass silk screen printing device.

Background

Printing on the surface of the glass cover plate is mainly used for surface decoration, so that the glass cover plate is more attractive or achieves certain specific functions, for example, photosensitive ink is printed to enable photosensitive self-energy control, or certain specific glue is printed to achieve bonding of the cover plate glass and other articles, and then, for example, a conductive silver paste is printed to achieve a micro-current sensor and the like.

At present, curved cover glass is used more and more widely, from mobile phones to intelligent household appliances, and then to automobile instruments and central control display, curved cover glass is used, and the overall dimension of curved cover glass is also getting bigger and bigger, and in the production process, the curved cover glass also needs to be printed to decorate or mark specific functions for the curved cover glass, and in the prior art, the method for realizing the printing of the curved cover glass comprises the following steps: 3D prints, the bat printing, 3D silk screen printing, 3D prints the particle diameter that is limited to printing ink and makes the cost too high, and the bat printing is limited to the silica gel performance, can not obtain the printing effect of higher precision and high external light, 3D silk screen printing generally adopts curved surface printing machine, nevertheless curved surface printing machine technique on the market is not mature, and owing to need be on a lot of ink knife coating to curved surface glass apron, it is relatively poor to influence the printing effect, and the printing cost is higher, consequently, the device that needs a curved surface glass silk screen printing to find urgent need can solve above-mentioned at least one kind of problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses embodiment's purpose is the unsatisfactory problem of specific curved surface cover plate glass's printing effect among the solution prior art.

In order to realize the above object, the utility model provides a curved surface glass silk screen printing device for on silk screen printing ink silk screen printing curved surface glass, curved surface glass silk screen printing device includes:

a working base;

the vertical guide rail assembly is vertically arranged on the working base;

the horizontal guide rail assembly is slidably mounted on the vertical guide rail assembly and can move up and down along the vertical direction of the vertical guide rail assembly;

the pair of mounting support arms are respectively arranged at two ends of the horizontal extending direction of the horizontal guide rail component in a sliding manner;

the curved surface profiling mesh plate is matched with the curved surface glass in shape and is detachably connected with the pair of mounting support arms respectively, and the curved surface profiling mesh plate has a working state of being attached to the curved surface glass and a standby state of being far away from the curved surface glass;

the screen printing seat is matched with the curved glass in shape, is arranged on the working base and is used for placing the curved glass;

the scraper component comprises a knife edge and a scraper matched with the bus shape of the curved glass, wherein the scraper is arranged on the horizontal guide rail component in a sliding manner and is arranged between a pair of mounting support arms, and the scraper can evenly scrape ink stored on the curved copying screen plate under the working state onto the curved glass arranged on the screen printing seat to complete the screen printing.

Specifically, curved surface glass silk screen printing device still includes: the horizontal sliding seat is slidably mounted on the horizontal guide rail assembly, and the scraper assembly is slidably mounted on the horizontal guide rail assembly through the horizontal sliding seat; curved surface glass silk screen printing device still includes: and the ink returning component is arranged on the horizontal sliding seat and is used for recovering residual ink after blade coating in the screen printing process.

Specifically, the ink return assembly includes: the ink returning rotary driver, the ink returning connecting rod and the ink returning knife; the ink returning rotary driver is arranged on the horizontal sliding seat, the ink returning connecting rod is connected with a driving shaft of the ink returning rotary driver, the ink returning knife is arranged on the ink returning connecting rod, and the ink returning rotary driver is used for driving the ink returning connecting rod to drive the ink returning knife to rotate in a first angle; the edge of the ink return knife is matched with the shape of the curved glass bus.

Specifically, the doctor assembly further comprises: a scraper rotation driver and a scraper link; the scraper rotary driver is arranged on the horizontal sliding seat, the scraper connecting rod is connected with a driving shaft of the scraper rotary driver, the scraper is arranged on the scraper connecting rod, and the scraper rotary driver is used for driving the scraper connecting rod to drive the scraper to rotate in a second angle.

Specifically, the doctor blade includes: the scraper head part and a transition part connected with the scraper connecting rod; the knife edge is arranged on the knife head portion, a slot is formed in one side, which is far away from the knife edge, of the knife head portion, and the transition portion is fixed with the knife head portion through inserting the slot.

Specifically, curved surface glass silk screen printing device still includes: a pair of fine-tuning mechanisms; each fine-tuning mechanism includes: the adjusting seat, the adjusting handle and the adjusting screw rod are arranged on the adjusting seat; adjust the seat slidable mounting and be in on the horizontal guide subassembly, adjust the vertical rotatable setting of lead screw and be in on the regulation seat, each installation support arm is in order to slide the setting on the regulation lead screw that corresponds on the horizontal guide subassembly, adjustment handle with adjust screw connection, be used for the drive adjust the lead screw and rotate and reciprocate in order to drive installation support arm along vertical direction.

Specifically, the curved contoured mesh panel comprises: a net rack and a profiling net surface; the rack includes linking bridge portion and with the profile modeling support portion that curved surface glass shape agrees with, linking bridge portion with the connection can be dismantled to the installation support arm, the laminating of profile modeling wire side sets up profile modeling support portion orientation on the one side of work base.

Specifically, the mounting support arm is provided with a mounting groove, and the connecting support part can be embedded into the mounting groove.

Specifically, a positioning groove is formed in the screen printing seat, and the curved glass is placed in the positioning groove.

Specifically, curved surface glass silk screen printing device still includes: the vacuum pump be provided with the aspiration channel on the silk screen printing seat, the one end opening of aspiration channel sets up the tank bottom of constant head tank, other end opening sets up on the lateral wall of silk screen printing seat with the vacuum pump intercommunication.

The utility model provides a curved surface glass silk screen printing device, the curved surface glass who will treat the silk screen printing is placed on the silk screen printing seat that agrees with curved surface glass shape, and control installation support arm drives the curved surface profile modeling otter board that agrees with curved surface glass shape and moves on horizontal guide rail subassembly and vertical guide rail subassembly in order to remove curved surface profile modeling otter board to laminating curved surface glass's operating condition, and through the scraper that edge of a knife and curved surface glass generating line agree with will place on curved surface glass on printing ink knife coating to curved surface glass in order to accomplish the silk screen printing, the scraper edge of a knife agrees with curved surface glass's generating line shape and can ensure printing ink simultaneously by even knife coating to curved surface glass, the utility model provides a curved surface glass silk screen printing device can ensure the printing quality of final formation, has solved the unsatisfactory problem of printing effect.

Other features and advantages of embodiments of the present invention will be described in detail in the detailed description which follows.

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 specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention. In the drawings:

fig. 1 is a schematic structural view of a curved glass screen printing device lacking a profiling mesh according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a curved glass screen printing device according to an embodiment of the present invention;

FIG. 3 is a schematic view of a scraper assembly of the curved glass screen printing apparatus of FIG. 1;

FIG. 4 is a schematic view of the structure of the rack in the curved glass screen printing apparatus of FIG. 1;

fig. 5 is a schematic structural view of a screen printing base in the curved glass screen printing device of fig. 1.

Description of the reference numerals

1-a working base; 2-a vertical guide rail assembly; 3-a horizontal guide rail assembly; 4, mounting a support arm; 5-curved surface profiling mesh plate; 6-a scraper assembly; 7-ink return assembly; 8-a lifting fine adjustment mechanism; 9-horizontal sliding seat; 10-screen printing base; 41-mounting groove; 51-a net rack; 52-profiling the mesh surface; 510-connecting a leg portion; 511-a contoured cradle portion; 101-positioning grooves; 61-a scraper; 62-a scraper rotation drive; 63-scraper link; 610-a transition; 611-a cutter head; 71-ink return rotary drive; 72-ink return link; 73-ink return knife; 81-an adjusting seat; 82-an adjusting handle; 83-adjusting the lead screw. 31-a guide rail; 32-horizontal guide rail groove;

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the embodiments of the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, top, and bottom" is generally used with respect to the orientation shown in the drawings or the positional relationship between the components in the vertical, or gravitational direction.

FIG. 1 is a schematic structural view of a curved glass screen printing device lacking a profiling mesh surface; fig. 2 is a schematic structural diagram of a curved glass screen printing device, fig. 3 is a schematic structural diagram of a scraper assembly in the curved glass screen printing device, fig. 4 is a schematic structural diagram of a net rack in the curved glass screen printing device, and fig. 5 is a schematic structural diagram of a screen printing seat in the curved glass screen printing device. As shown in fig. 1-5, the utility model provides a curved surface glass silk screen printing device for on printing ink silk screen printing curved surface glass, curved surface glass silk screen printing device includes: a working base 1; the vertical guide rail assembly 2 is vertically arranged on the working base 1; the horizontal guide rail assembly 3 is slidably mounted on the vertical guide rail assembly 2 and can move up and down along the vertical direction of the vertical guide rail assembly 2; a pair of mounting arms 4 respectively arranged at two ends of the horizontal guide rail component 3 in the horizontal extending direction in a sliding manner; the curved surface profiling screen plate 5 is matched with the curved surface glass in shape and is detachably connected with the pair of mounting support arms 4 respectively, and the curved surface profiling screen plate 5 has a working state of being attached to the curved surface glass and a standby state of being far away from the curved surface glass; the silk-screen printing seat 10 is matched with the shape of the curved glass, is arranged on the working base 1 and is used for placing the curved glass; scraper subassembly 6, including the edge of a knife and the scraper 61 that agrees with curved surface glass generating line shape, scraper 61 slidable mounting just set up between a pair of installation support arm 4 on the horizontal guide subassembly 3, scraper 61 can deposit the even knife coating of printing ink on curved surface profile modeling otter board 5 under the operating condition to the curved surface glass of arranging on silk screen printing seat 10 in order to accomplish the silk screen printing.

The utility model provides a curved surface glass silk screen printing device, the curved surface glass who will wait to silk screen printing is placed on silk screen printing seat 10, control installation support arm 4 drives curved surface profile modeling otter board 5 installed on it and moves in the extending direction of horizontal guide rail subassembly 3 so that curved surface profile modeling otter board 5 moves to the curved surface glass who waits to silk screen printing's top, control horizontal guide rail subassembly 3 moves in the vertical direction on vertical guide rail subassembly 2 so that curved surface profile modeling otter board 5 is in the operating condition of laminating curved surface glass, place printing ink on curved surface profile modeling otter board 5, generally place printing ink according to the assigned position on curved surface profile modeling otter board 5 of printing demand, control scraper subassembly 6 moves on horizontal guide rail subassembly 3, scraper subassembly 6 is in the in-process of moving through the sword 61 that the edge agrees with curved surface glass shape with curved surface screen plate 5 scribbles on curved surface glass with the completion silk screen printing on curved surface glass, the edge of the scraper 61 is matched with the shape of the generatrix of the curved glass, so that when ink is scraped, the ink on the curved profiling screen 5 can be uniformly scraped onto the curved glass at the same time, the final printing quality is ensured, and the problem of unsatisfactory printing effect at present is solved.

In order to facilitate the sliding installation of the scraper component 6 on the horizontal guide rail component 3, specifically, the curved glass screen printing device further comprises: and the horizontal sliding seat 9 is slidably mounted on the horizontal guide rail assembly 3, and the scraper assembly 6 is slidably mounted on the horizontal guide rail assembly 3 through the horizontal sliding seat 9. As shown in fig. 1 and 2, the horizontal guide rail assembly 3 includes a guide rail 31, a plurality of horizontal guide rail grooves 32 are formed in the guide rail 31, the horizontal guide rail grooves 32 are parallel to each other and are horizontally disposed, and a slider, which is disposed on the horizontal sliding base 9 and is matched with the horizontal guide rail grooves 32, is capable of being embedded into the horizontal guide rail grooves 32, so that the horizontal sliding base 9 moves along an extending direction of the horizontal guide rail grooves 32.

In one embodiment, as shown in fig. 1 and 2, in order to recover the excess ink on the coated curved profiling screen 5 when the ink is coated on the curved glass by the scraper 61 and avoid the excess ink from affecting the final screen printing effect, the curved glass screen printing device further comprises: and the ink returning component 7 is arranged on the horizontal sliding seat 9 and is used for recovering redundant ink remained on the curved surface profiling screen plate 5 in the silk-screen process. The ink return assembly 7 includes: an ink return rotary driver 71, an ink return link 72, and an ink return blade 73; the ink returning rotary driver 71 is arranged on the horizontal sliding seat 9, the ink returning connecting rod 72 is connected with a driving shaft of the ink returning rotary driver 71, the ink returning blade 73 is arranged on the ink returning connecting rod 72, and the ink returning rotary driver 71 is used for driving the ink returning connecting rod 72 to drive the ink returning blade 73 to rotate in a first angle; the edge of the ink return knife 73 is matched with the generatrix of the curved glass in shape. The ink returning rotary driver 71 is a motor, the ink returning connecting rod 72 is connected with a main shaft of the ink returning rotary driver 71 through a coupler, the main shaft of the ink returning rotary driver 71 rotates to drive the ink returning connecting rod 72 and the ink returning knife 73 to rotate, a value of a first angle of an included angle between a knife edge of the ink returning knife 73 and a curved glass surface can be adjusted, in order to better recover residual ink after blade coating, the first angle is set between 40 degrees and 85 degrees, the error of the profile degree between the knife edge of the ink returning knife 73 and the curved glass bus is 0mm to 1.5mm, in order to ensure the recovery effect of residual ink, two ends of the knife edge of the ink returning knife 73 need to be extended in the extending direction of the curved glass bus, and as shown in fig. 2, the single edge in the Y direction needs to be extended by 20mm to 100 mm.

In one embodiment, as shown in fig. 1-3, the doctor assembly 6 further comprises: a scraper rotation driver 62 and a scraper link 63; the scraper rotating driver 62 is arranged on the horizontal sliding seat 9, the scraper connecting rod 63 is connected with a driving shaft of the scraper rotating driver 62, the scraper 61 is arranged on the scraper connecting rod 63, and the scraper rotating driver 62 is used for driving the scraper connecting rod 63 to drive the scraper 61 to rotate in a second angle. The blade 61 includes: a blade head portion 611 and a transition portion 610 connected to the blade link 63; the knife edge is arranged on the knife head portion 611, a slot is formed in one surface of the knife head portion 611, which is far away from the knife edge, and the transition portion 610 is fixed with the knife head portion 611 through being inserted into the slot. The scraper rotating driver 62 is a motor, the scraper connecting rod 63 is connected with the main shaft of the scraper rotating driver 62 through a coupler, the scraper 61 mounted on the scraper connecting rod 63 can be driven to rotate by the rotation of the scraper rotating driver 62 so as to adjust a second angle, the second angle is set between 10 degrees and 80 degrees, preferably the second angle is 30 degrees to 60 degrees, more preferably the second angle is 40 degrees to 50 degrees, the edge of the scraper 61 is consistent with the shape of the curved glass bus, in order to enable the edge of the scraper 61 to better scrape ink on the curved glass, the profile tolerance between the edge of the scraper 61 and the curved glass bus is 0mm to 1.5mm, preferably, the profile tolerance between the edge of the scraper 61 and the curved glass bus is 0mm to 0.5mm, more preferably, the profile tolerance between the edge of the scraper 61 and the curved glass bus is 0mm to 0.2mm, in order to better scrape ink on the curved glass, two ends of the knife edge of the scraper 61 need to be extended in the extending direction of the generatrix of the curved glass, as shown in fig. 2, one side of the knife edge needs to be extended by 10mm-30mm in the Y direction, when ink is scraped by using the knife head part 611 of the scraper 61, the shore hardness of the knife head part 611 is 55HA-85HA, preferably 65HA-75HA, and the knife head part 611 can be made of stainless steel, aluminum alloy, carbon fiber and the like, preferably 304 stainless steel or aluminum alloy is used to make the knife head part 611.

In order to flexibly adjust the moving distance of the screen 5 in the curved surface direction in the vertical direction, the curved surface glass screen printing device further comprises: a pair of fine-adjustment lifting mechanisms 8; each of the fine-adjustment mechanisms 8 includes: an adjusting seat 81, an adjusting handle 82 and an adjusting screw 83; adjust seat 81 slidable mounting in on the horizontal guide subassembly 3, adjust the vertical rotatable setting of lead screw 83 and be in on the seat 81 of adjusting, each installation support arm 4 is in order to slide the setting on the regulation lead screw 83 that corresponds on the horizontal guide subassembly 3, adjustment handle 82 with adjust the lead screw 83 and connect, be used for the drive adjust the lead screw 83 and rotate and reciprocate in order to drive installation support arm 4 along vertical direction. The moving distance of the mounting support arm 4 along the vertical direction can be independently adjusted through the adjusting handle 82, so that the curved copying net plate 5 arranged on the mounting support arm 4 is adjusted to move along the vertical direction,

the curved surface profiling screen plate 5 provides a carrier for printing, and the curved surface profiling screen plate 5 comprises: a net frame 51 and a profile net surface 52; the net rack 51 comprises a connecting support part 510 and a copying support part 511 matched with the shape of the curved glass, the connecting support part 510 is detachably connected with the mounting support arm 4, and the copying net surface 52 is attached to one surface of the working base 1 facing the copying support part 511. Usually, a hollow pattern with the same shape as the printing shape is formed on the copying net surface 52, then the copying net surface 52 is attached to the curved glass, so that the part of the curved glass corresponding to the hollow pattern is exposed, the scraper 61 scrapes the ink to the hollow part, so that the ink is printed on the curved glass corresponding to the hollow part, when printing, the copying net surface 52 of the curved copying net plate 5 is attached to the curved glass, the curved glass is placed on the screen printing seat 10, as shown in fig. 1 and 2, the copying support part 511 of the net rack 51 of the curved copying net plate 5 is matched with the curved glass in shape, the error of the profile degree of the copying support part 511 and the curved glass generatrix is between 0mm0-5mm, in order to avoid the interference between the copying net surface 52 and the screen printing seat 10 when the copying net surface 52 is attached to the curved glass, the copying support part 511 is extended in the extension direction of the curved glass generatrix, and is extended by 30mm-120mm in the Y direction shown in fig. 2, the connecting bracket part 510 of the net rack 51 is extended by 30mm-200mm in the X direction than the screen printing seat 10 on one side in the X direction, preferably 80mm-160mm in the X direction, more preferably 100mm-140mm in the X direction, and the net rack 51 can be made of stainless steel, aluminum alloy, carbon fiber and the like, preferably, aluminum alloy.

As shown in fig. 1 and 2, in order to install the curved profiling net plate 5, an installation groove 41 is formed on the installation arm 4, and the connection bracket part 510 can be inserted into the installation groove 41. The coupling bracket portion 510 is fitted into the mounting groove 41, and the coupling bracket portion 510 is fixed in the mounting groove 41 by a bolt.

In order to prevent curved glass placed on the screen printing base 10 from moving during printing, the positioning groove 101 is formed in the screen printing base 10, and the curved glass is placed in the positioning groove 101. The curved glass is restricted from moving by the positioning grooves 101.

In order to better fix the curved glass during printing, as shown in fig. 5, the curved glass screen printing device further includes: and the vacuum pump is arranged on the screen printing base 10, an air suction channel is arranged at the bottom of the positioning groove 101, and an opening at the other end of the air suction channel is arranged on the side wall of the screen printing base 10 and communicated with the vacuum pump. After the curved glass is placed in the positioning groove 101, air between the bottom of the positioning groove 101 and the curved glass is sucked out through a vacuum pump so as to fix the curved glass in the positioning groove 101, in order to better fix the curved glass in the positioning groove 101, a special-shaped guide groove is formed in the bottom of the positioning groove 101, and an opening of the air suction channel in the positioning groove 101 is formed in the bottom of the special-shaped guide groove.

When silk-screen printing is carried out on the curved glass, the curved glass is fixed on a silk-screen printing seat 10; the curved surface profiling net plate 5 is driven to move to a working state of being attached to curved surface glass by the movement of the mounting support arm 4 in the horizontal direction of the horizontal guide rail component 3 and the movement of the horizontal guide rail component 3 in the vertical direction of the vertical guide rail component 2; the scraper 61 of the scraper component 6 moves in the horizontal extending direction of the horizontal guide rail component 3 to uniformly scrape the ink stored on the curved copying screen 5 onto the curved glass arranged on the screen printing seat 10 to complete the screen printing.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

Those skilled in the art will appreciate that all or part of the steps in the method of implementing the above embodiments may be implemented by a program, which is stored in a storage medium and includes instructions for causing a single chip, a chip, or a processor (processor) to execute all or part of the steps of the method according to various embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

In addition, various embodiments of the present invention can be combined arbitrarily, and the embodiments of the present invention should be considered as disclosed in the present invention as long as they do not violate the idea of the embodiments of the present invention.

Claims

1. The utility model provides a curved surface glass silk screen printing device for on silk screen printing ink silk screen printing to curved surface glass, its characterized in that, curved surface glass silk screen printing device includes:

a work base (1);

the vertical guide rail assembly (2) is vertically arranged on the working base (1);

the horizontal guide rail assembly (3) is slidably mounted on the vertical guide rail assembly (2) and can move up and down along the vertical direction of the vertical guide rail assembly (2);

the pair of mounting support arms (4) are respectively arranged at two ends of the horizontal extending direction of the horizontal guide rail component (3) in a sliding manner;

the curved surface profiling mesh plate (5) is matched with the curved surface glass in shape and is detachably connected with the pair of mounting support arms (4) respectively, and the curved surface profiling mesh plate (5) has a working state of being attached to the curved surface glass and a standby state of being far away from the curved surface glass;

the silk-screen printing seat (10) is matched with the shape of the curved glass, is arranged on the working base (1) and is used for placing the curved glass;

scraper subassembly (6), including the edge of a knife and scraper (61) that agree with curved surface glass generating line shape, scraper (61) slidable mounting just set up between a pair of installation support arm (4) on horizontal guide subassembly (3), scraper (61) can deposit the even blade coating of printing ink on curved surface profile modeling otter board (5) under the operating condition to the curved surface glass of arranging on silk screen printing seat (10) in order to accomplish the silk screen printing.

2. The curved glass screen printing device according to claim 1, further comprising: the horizontal sliding seat (9) is slidably mounted on the horizontal guide rail assembly (3), and the scraper assembly (6) is slidably mounted on the horizontal guide rail assembly (3) through the horizontal sliding seat (9);

curved surface glass silk screen printing device still includes: and the ink returning assembly (7) is arranged on the horizontal sliding seat (9) and is used for recovering residual ink after blade coating in the screen printing process.

3. Curved glass screen printing device according to claim 2, characterized in that said ink return assembly (7) comprises: an ink return rotary driver (71), an ink return connecting rod (72) and an ink return blade (73);

the ink returning rotary driver (71) is arranged on the horizontal sliding seat (9), the ink returning connecting rod (72) is connected with a driving shaft of the ink returning rotary driver (71), the ink returning blade (73) is arranged on the ink returning connecting rod (72), and the ink returning rotary driver (71) is used for driving the ink returning connecting rod (72) to drive the ink returning blade (73) to rotate in a first angle;

the knife edge of the ink return knife (73) is matched with the shape of the curved glass generatrix.

4. Curved glass screen printing device according to claim 2, characterized in that the doctor assembly (6) further comprises: a scraper rotation driver (62) and a scraper link (63);

the scraper rotating driver (62) is arranged on the horizontal sliding seat (9), the scraper connecting rod (63) is connected with a driving shaft of the scraper rotating driver (62), the scraper (61) is arranged on the scraper connecting rod (63), and the scraper rotating driver (62) is used for driving the scraper connecting rod (63) to drive the scraper (61) to rotate in a second angle.

5. Curved glass screen printing device according to claim 4, characterized in that said scraper (61) comprises: a blade head portion (611) and a transition portion (610) connected to the blade link (63); the knife edge is arranged on the knife head portion (611), a slot is formed in one surface, deviating from the knife edge, of the knife head portion (611), and the transition portion (610) is fixed with the knife head portion (611) through inserting the slot.

6. The curved glass screen printing device according to claim 1, further comprising: a pair of lifting fine adjustment mechanisms (8);

each fine-adjustment mechanism (8) comprises: an adjusting seat (81), an adjusting handle (82) and an adjusting screw rod (83); adjust seat (81) slidable mounting be in on the horizontal rail subassembly (3), adjust the vertical rotatable setting of lead screw (83) and be in adjust on seat (81), each installation support arm (4) is in with the slip setting on adjusting lead screw (83) that corresponds through the spiro union on horizontal rail subassembly (3), adjustment handle (82) with adjust lead screw (83) and connect, be used for the drive adjust lead screw (83) and rotate in order to drive installation support arm (4) and reciprocate along vertical direction.

7. Curved glass screen printing device according to claim 6, characterized in that said curved contoured screen (5) comprises: a net frame (51) and a profiling net surface (52);

the net rack (51) comprises a connecting support part (510) and a profiling support part (511) matched with the shape of the curved glass, the connecting support part (510) is detachably connected with the installation support arm (4), and the profiling net surface (52) is attached and arranged on one surface of the working base (1) and faces towards the profiling support part (511).

8. The curved glass screen printing device according to claim 7, wherein the mounting arm (4) is provided with a mounting groove (41), and the connecting bracket portion (510) can be inserted into the mounting groove (41).

9. The curved glass screen printing device according to claim 1, wherein a positioning groove (101) is formed in the screen printing base (10), and the curved glass is placed in the positioning groove (101).

10. The curved glass screen printing device according to claim 9, further comprising: the vacuum pump be provided with the suction channel on silk screen printing seat (10), the one end opening of suction channel sets up the tank bottom of constant head tank (101), and other end opening sets up on the lateral wall of silk screen printing seat (10) with the vacuum pump intercommunication.