CN110789215A

CN110789215A - Ink-jet digital printer for screen printing plate

Info

Publication number: CN110789215A
Application number: CN201911260493.1A
Authority: CN
Inventors: 饶佳旺; 田腾
Original assignee: Shenzhen Sincere Digital Equipment Co Ltd
Current assignee: Shenzhen Sincere Digital Equipment Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-02-14

Abstract

The invention relates to the field of ink-jet printing, and discloses an ink-jet digital printer for a silk-screen printing plate, which comprises: the device comprises a rack, a transverse beam assembly, a Y-direction transmission assembly, a screen fixing device, an ink-jet trolley body and a moisture-preserving ink scraping device, wherein the transverse beam assembly, the Y-direction transmission assembly and the screen fixing device are arranged on the rack; the transverse beam assembly comprises a mounting seat and an X-direction transmission mechanism arranged on the mounting seat, an ink-jet trolley body and a moisture-preserving ink scraping device are both arranged on the mounting seat, the ink-jet trolley body is positioned above the moisture-preserving ink scraping device and the screen fixing device, and the X-direction transmission mechanism is used for driving the ink-jet trolley to move in the X direction on the mounting seat; and the Y-direction transmission assembly is connected with the mounting seat and is used for driving the beam assembly to move on the rack along the Y direction, so that the ink-jet trolley body moves above the screen fixing device in the Y direction. The invention does not need to print the image on the transparent material and then transfer the image onto the silk-screen printing plate, thereby reducing the process flow and improving the efficiency.

Description

Ink-jet digital printer for screen printing plate

Technical Field

The embodiment of the invention relates to the technical field of ink-jet printing, in particular to an ink-jet digital printer for a silk-screen printing plate.

Background

The traditional silk-screen printing plate is manufactured by firstly printing patterns on a transparent material, then fixing the transparent material with the patterns on the silk-screen printing plate, then putting the transparent material with the patterns and the silk-screen printing plate into a screen exposure machine for exposure, and finally washing and drying the redundant photosensitive material. This approach is inefficient, the pattern is indirectly formed on the screen, and the pattern position cannot be directly altered.

Disclosure of Invention

In order to solve the above technical problems, embodiments of the present invention provide an inkjet digital printer for a screen printing plate, which solves the technical problems of low efficiency and incapability of directly forming patterns on the screen printing plate.

In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: an ink-jet digital printer for a screen printing plate is provided, which comprises: the device comprises a rack, a transverse beam assembly, a Y-direction transmission assembly, a screen fixing device, an ink-jet trolley body and a moisturizing and ink scraping device, wherein the transverse beam assembly, the Y-direction transmission assembly and the screen fixing device are arranged on the rack; the transverse beam assembly comprises a mounting seat and an X-direction transmission mechanism arranged on the mounting seat, the ink-jet trolley body and the moisturizing and ink-scraping device are arranged on the mounting seat, the ink-jet trolley body is positioned above the moisturizing and ink-scraping device and the screen fixing device, and the X-direction transmission mechanism is used for driving the ink-jet trolley to move in the X direction on the mounting seat; the Y-direction transmission assembly is connected with the mounting seat and used for driving the beam assembly to move on the rack along the Y direction, so that the ink-jet trolley body moves above the screen fixing device in the Y direction.

In some embodiments, the mounting seat is provided with a notch, the X-direction transmission mechanism comprises an inkjet motor, a driving synchronous pulley, a beam, a duplex synchronous pulley, a driven synchronous pulley, a first synchronous belt and a second synchronous belt, the beam is transversely arranged above the notch of the mounting seat, and the duplex synchronous pulley and the driven synchronous pulley are respectively arranged at two ends of the beam;

the driving synchronous belt wheel is connected with an output shaft of the ink jet motor, the driving synchronous belt wheel is connected with the duplex synchronous belt wheel through the first synchronous belt, and the duplex synchronous belt wheel is connected with the driven synchronous belt wheel through the second synchronous belt.

In some embodiments, the X-direction transmission mechanism further includes a connection unit and a first linear guide rail disposed on the cross beam, and the inkjet trolley body is connected to the second synchronous belt through the connection unit;

the first linear guide rail is provided with a first sliding block, and the ink-jet trolley body is fixed on the first sliding block.

In some embodiments, the Y-direction transmission assembly includes a servo motor, a first lead screw, a second linear guide rail, a second slider, and a synchronization plate;

the first lead screw is connected with an output shaft of the servo motor, and the synchronous plate is respectively fixedly connected with the first lead screw and the mounting seat, so that the first lead screw drives the mounting seat to move through the synchronous plate;

the second linear guide rail is arranged on two sides of the rack, the second slide block is sleeved on the second linear guide rail, and the second slide block is fixed below the synchronous plate.

In some embodiments, the moisturizing and ink scraping device comprises an ink scraping component, a moisturizing component, a first driving mechanism for driving the ink scraping component to move along the Y direction, a second driving mechanism for driving the moisturizing component to move along the Z direction, and a waste ink tank communicated with the ink scraping component and the moisturizing component.

In some embodiments, the ink scraping assembly comprises an ink scraping disc and an ink scraping sheet arranged on the ink scraping disc;

a first ink collecting groove for containing waste ink is formed in the top surface of the ink scraping plate;

one end of the first ink collecting groove is provided with a first ink guide hole for discharging ink;

the first ink guide hole is communicated with the waste ink tank.

In some embodiments, the moisturizing component comprises a moisturizing disc and a moisturizing nozzle secured to the moisturizing disc;

a second ink collecting groove for containing waste ink and a second ink guide hole for discharging ink are formed in the top surface of the moisture preserving disc;

the moisturizing nozzle and the second ink guide hole are arranged in the second ink collecting groove;

the second ink guide hole is communicated with the waste ink tank.

In some embodiments, the screen fixing device comprises a screen fixing assembly, a screen fixing frame and a frame fixing block;

the screen printing plate fixing component is arranged in a surrounding manner to form an installation area for carrying out trilateral positioning on the screen printing plate, and the installation area is used for accommodating the screen printing plate;

the screen fixing frame is located in the mounting area and fixed on the frame through the frame body fixing block and used for limiting the screen printing plate downwards.

In some embodiments, the screen fixing frame is rectangular;

the screen fixing frame is characterized in that a bulge is arranged on the frame body fixing block, and notches matched with the width of the bulge are formed in two opposite sides of the screen fixing frame.

In some embodiments, the protrusions are provided with wave bead screws, and the wave bead screws abut against the lower surface of the notches, so that the screen fixing frame is fixed on the frame.

The beneficial effects of the embodiment of the invention are as follows: the image can be directly printed on the silk-screen printing plate, the image does not need to be printed on a transparent material and then transferred onto the silk-screen printing plate, the position of the image on the silk-screen printing plate can be quickly positioned, the process flow is reduced, and the efficiency is improved.

Drawings

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

Fig. 1 is a schematic structural diagram of an inkjet digital printer for a silk-screen printing plate according to an embodiment of the present invention;

FIG. 2 is an assembly view of the ink jet digital printer shown in FIG. 1;

FIG. 3 is an overall assembly view of the X-direction transverse assembly shown in FIG. 2;

FIG. 4 is a schematic view of the X-direction traverse assembly shown in FIG. 3;

FIG. 5 is a schematic structural view of the body of the ink jet carriage of FIG. 2;

FIG. 6 is a schematic structural view of the Y-drive assembly of FIG. 2;

fig. 7 is an overall assembly view of the screen fixing apparatus shown in fig. 2;

fig. 8 is an overall assembly view of the screen fixing apparatus shown in fig. 2;

fig. 9 is a plan view of the screen fixing apparatus shown in fig. 2;

FIG. 10 is a schematic diagram of a pressing plate of the screen fixing apparatus shown in FIG. 7 after removing the screen;

fig. 11 is a schematic structural view of the screen fixing apparatus shown in fig. 7;

fig. 12 is an enlarged schematic view of the screen fixing frame a shown in fig. 11;

fig. 13 is a schematic structural view of the frame fixing block shown in fig. 7;

fig. 14 is a schematic view of a first perspective of the moisturizing doctoring apparatus shown in fig. 2;

fig. 15 is a schematic view from a second perspective of the moisturizing doctoring apparatus shown in fig. 2;

fig. 16 is an exploded view of the moisturizing assembly shown in fig. 15.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 2 and fig. 3 together, an inkjet digital printer 1000 for a screen printing plate according to the present invention includes: the screen printing device comprises a frame 100, a transverse beam assembly arranged on the frame 100, a Y-direction transmission assembly 300, a screen printing plate fixing device 400, an ink jet trolley body 500 arranged on the transverse beam assembly and a moisturizing and ink scraping device 600.

The transverse beam assembly comprises a mounting seat 220 and an X-direction transmission mechanism 200 arranged on the mounting seat 220, the ink jet trolley body 500 and the moisturizing and ink scraping device 600 are arranged on the mounting seat 220, the ink jet trolley body 500 is positioned above the moisturizing and ink scraping device 600 and the screen fixing device 400, a spray head is arranged in the ink jet trolley body 500, and ink of the ink jet trolley body 500 is non-photosensitive ink. The X-direction transmission mechanism 200 is used for driving the inkjet trolley body 500 to move on the mounting seat 220 in the X direction; the Y-direction transmission assembly 300 is connected to the mounting base 220 and is configured to drive the beam assembly to move on the frame 100 along the Y-direction, so that the inkjet carriage body 500 moves in the Y-direction above the screen fixing device 400; the screen fixing device 400 is used for fixing the screen printing plate 700; the moisturizing and ink scraping device 600 is used for daily cleaning and moisturizing of the spray head to prevent blockage of the spray head. The mounting base 220 in this embodiment is integrally provided in a U-shaped structure, a gap is formed in the U-shaped structure, and when the screen printing plate is used, one end of the screen printing plate is opposite to the gap.

The ink jet digital printer 1000 is controlled by a PLC to operate.

Referring to fig. 4 to 5, the X-direction transmission mechanism 200 includes an inkjet motor 201, a driving synchronous pulley 202 connected to an output shaft of the inkjet motor 201, a cross beam 203, a dual synchronous pulley 204 and a driven synchronous pulley 205 disposed at two ends of the cross beam 203, and a first linear guide rail 206 disposed on the cross beam 203, wherein a first slider 207 is disposed on the first linear guide rail 206, the inkjet cart body 500 is fixed on the first slider 207, and the cross beam 203 is disposed above a notch of the mounting base 220.

The X-direction transmission mechanism 200 further includes a first synchronous belt 208 and a second synchronous belt 209, the driving synchronous pulley 202 is connected to the dual synchronous pulley 204 through the first synchronous belt 208, and the dual synchronous pulley 204 is connected to the driven synchronous pulley 205 through the second synchronous belt 209.

The X-direction transmission mechanism 200 further includes a connection unit, the connection unit includes a connection plate 210 and a connection plate base 211, the second timing belt 209 is installed between one end of the connection plate 210 and the connection plate base 211, and the other end of the connection plate 210 is fixed on the inkjet carriage body 500, so that the inkjet carriage body 500 can slide along the first linear guide 206 through the first timing belt 208.

The X-direction transmission mechanism 200 is further provided with a limiting device, the limiting device comprises limiting pieces 212 arranged at two ends of the ink-jet trolley body 500 and limiting switches 213 arranged at two sides of the cross beam 203, when the limiting pieces 212 move to the positions of the limiting switches 213, the ink-jet motor 201 stops working, and reciprocating motion of the ink-jet trolley body 500 on the cross beam 203 is achieved.

In specific implementation, the inkjet motor 201 drives the driving synchronous pulley 202 to rotate, the duplex synchronous pulley 204 is driven to rotate by the first synchronous belt 208, and the inkjet trolley body 500 is driven to slide along the first linear guide rail 206 by the second synchronous belt 209.

Referring to fig. 6, the Y-direction transmission assembly 300 includes a servo motor 301, a first lead screw 302 connected to an output shaft of the servo motor 301, a second linear guide 303 disposed on the rack 100, a second slider 304 disposed on the second linear guide 303, and a synchronization plate 305 fixed to the second slider 304, and the synchronization plate 305 is movably connected to the first lead screw 302.

The Y-drive assembly 300 further comprises an adapter plate 306, wherein one end of the adapter plate 306 is fixed on the synchronization plate 305, and the other end is fixed on the mounting base 220, so that the mounting base 220 can move along with the synchronization plate 305.

The first lead screw 302 is fixed to the frame 100, a first lead screw nut (not shown) is sleeved on the first lead screw 302, a first lead screw nut seat (not shown) is fixed to the first lead screw nut, and the synchronization plate 305 is fixed to the first lead screw nut seat, so that the synchronization plate 305 can move along the second linear guide 303 along with the rotation of the first lead screw 302 under the driving of the servo motor 301, and the mounting seat 220 is driven to move along the second linear guide 303.

Referring to fig. 7 to fig. 10, the screen fixing device 400 is fixed on the frame 100, and is used for fixing the screen printing plate 700, including: the screen printing frame comprises a platform frame 410, a screen printing plate fixing assembly 420, a screen printing plate fixing frame 430, a fourth linear guide rail 440, a frame body fixing block 450 and a clamping assembly 460, wherein the platform frame 410 is fixed on the machine frame 100, and the screen printing plate fixing assembly 420, the screen printing plate fixing frame 430, the frame body fixing block 450 and the clamping assembly 460 are all installed on the platform frame 410.

The screen printing plate fixing assembly 420 is arranged to form an installation area 470 in a surrounding manner, the installation area 470 is used for accommodating the screen printing plate 700, and the screen printing plate fixing assembly 420 is used for carrying out three-edge positioning on the screen printing plate 700; the screen fixing frame 430 is detachably fixed on the platform frame 410 through the frame fixing block 450, and the screen fixing frame 430 is located in the mounting area 470 and used for limiting the screen 700; the fourth linear guide 440 is disposed at two sides of the platform frame 410, and the clamping assembly 460 is disposed on the fourth linear guide 440; one end of the clamping assembly 460 is fixed on the platform frame 410, and the other end is connected to the screen printing plate fixing assembly 420, so as to clamp the screen printing plate 700 in the front-back direction.

The screen printing plate fixing assembly 420 includes: the left fixing assembly 421, the front fixing assembly 422, the rear fixing assembly 423 and the right standing plate 424, wherein the right standing plate 424 comprises a first right standing plate 4241 and a second right standing plate 4242.

The left fixing assembly 421 includes a left vertical plate 4211, a left positioning block 4212 is fixedly connected to the left vertical plate 4211, and the left positioning block 4212 is abutted to the screen printing plate 700 through a gasket 4213, so as to perform left limiting on the screen printing plate 700.

The front fixing assembly 422 comprises a front vertical plate 4221 and a screen plate front pressing plate arranged at the upper end of the front vertical plate 4221, the screen plate front pressing plate extends towards the installation area 470, the screen plate front pressing plate comprises a first screen plate front pressing plate 4222 and a second screen plate front pressing plate 4223, the front vertical plate 4221 is fixed on the platform frame 410, a front positioning block 4224 is arranged on the front vertical plate 4221, and the front positioning block 4224 is abutted against the screen printing plate 700 and used for performing front limiting on the screen printing plate 700.

A U-shaped notch 42211 (see fig. 10) is formed in the front vertical plate 4221, so that the screen printing plate 700 can be detached conveniently. The first screen plate front pressing plate 4222 and the second screen plate front pressing plate 4223 are respectively located on two sides of the U-shaped gap 42211, and a rectangular square hole is formed in the position, corresponding to the front positioning block 4224, on the first screen plate front pressing plate 4222, and is used for observing whether the screen printing plate 700 is in contact with the front positioning block 4224 or not in the installation process of the screen printing plate 700.

The rear fixing assembly 423 includes a rear vertical plate 4231 and a screen rear pressing plate 4232 (see fig. 9) mounted at the upper end of the rear vertical plate 4231, the screen rear pressing plate 4232 extends toward the mounting area 470, the rear vertical plate 4231 is fixed on the clamping assembly 460, a rear positioning block 4233 is mounted on the rear vertical plate 4231, and the rear positioning block 4233 abuts against the screen printing plate 700, so as to perform rear limiting on the screen printing plate 700.

The first screen plate front pressing plate 4222 is connected with the upper end of the left vertical plate 4211 and the upper end of the front vertical plate 4221 through screws; the second screen plate front pressing plate 4223 is connected with the upper end of the first right vertical plate 4241 and the upper end of the front vertical plate 4221 through screws; the screen plate rear pressing plate 4232 is connected with the upper end of a second right vertical plate 4242 and the upper end of a rear vertical plate 4231 through screws; so as to enhance the stability of the screen plate front press plate and the screen plate rear press plate 4232.

Optionally, colloidal particles may be disposed on the surfaces of the front vertical plate 4221 and the rear vertical plate 4231 facing the mounting area 470, so as to increase the stability of the installation of the screen printing plate 700.

The bottom surfaces of the screen plate front pressing plate and the screen plate rear pressing plate 4232 are located at the same height, so that the screen printing plate 700 is limited upwards.

The clamping assembly 460 includes a fourth slider 461, a rail clamp 462 and an elastic element 463, the fourth slider 461 is disposed on the fourth linear guide 440, the rail clamp 462 is clamped on the fourth linear guide 440, one end of the elastic element 463 is connected to the fourth slider 461, and the other end is connected to the rail clamp 462, and the elastic element 463 may be any elastic component, such as a compression spring. The rear vertical plate 4231 is fixed to the fourth slider 461, and the fourth slider 461 is slidable along the fourth linear guide 440, so as to clamp the screen printing plate 700 in the front-rear direction.

Referring to fig. 11, the screen fixing frame 430 is rectangular, and the screen fixing frame 430 is shown to be formed by splicing two long plates 431 and two short plates 432, so as to be convenient to detach.

Referring to fig. 12 and 13, the screen fixing frame 430 is fixed on the platform frame 410 by a frame fixing block 450, the frame fixing block 450 is provided with a protrusion 451, the two short plates 432 are provided with notches 4321 adapted to the width of the protrusion 451, the protrusion 451 is provided with a bead screw 480, the bead screw 480 abuts against the lower surface of the notch 4321, so that the screen fixing frame 430 is fixed on the platform frame 410, and this fixing manner is favorable for quickly dismounting the screen fixing frame 430 from the platform frame 410.

Two gaps 4321 are respectively formed in the two short plates 432, a small hole 4322 is formed in the pressing position of the wave bead screw 480 on any one of the short plates 432 of the screen fixing frame 430, and a small hole is not formed in the other short plate 432, so that the positioning difficulty is reduced, and the installation difficulty is reduced. Specifically, the bottom of ripples pearl screw 62 is the circular arc excessive, ripples pearl screw 62 butt is in aperture 6322 department can fix the fixed frame 430 of half tone, can be right again the fixed frame 430 of half tone plays limiting displacement to realized the quick replacement of the fixed frame 430 of half tone, with the adaptation screen printing screen of different sizes, the commonality is strong.

The upper surface of the screen fixing frame 430 is higher than the bottom surface of the screen rear pressing plate 4232, and the height difference between the two surfaces is 1-2mm, so that the screen 700 is in a tightened state after being mounted on the platform frame 410, and printing is facilitated.

The moisturizing and ink scraping device 600 is fixed on the mounting base 220, is mounted below the inkjet trolley body 500, and is used for maintaining the cleanness and the moisture preservation of the spray head.

Referring to fig. 14, 15 and 16, the moisturizing and ink-scraping apparatus 600 includes an ink-scraping component 610, a moisturizing component 620, a first driving mechanism 630 for driving the ink-scraping component 610 to move along the Y-direction, a second driving mechanism 640 for driving the moisturizing component 620 to move along the Z-direction, and a waste ink tank 650 communicating with the ink-scraping component 610 and the moisturizing component 620.

The ink scraping assembly 610 comprises an ink scraping disc 611 and an ink scraping sheet 612, the ink scraping sheet 612 is vertically arranged on the ink scraping disc 611, a first ink collecting groove 6111 for containing waste ink is arranged on the top surface of the ink scraping disc 611, a first ink guide hole 6112 for discharging ink is arranged at one end of the first ink collecting groove 6111, the first ink guide hole 6112 is communicated with the waste ink groove 650, the ink scraping sheet 612 is arranged in the first ink collecting groove 6111, and waste ink flowing into the first ink collecting groove 6111 when the ink scraping sheet 612 scrapes the nozzle can be discharged to the waste ink groove 650 through the first ink guide hole 6112.

The bottom surface of the first ink collecting groove 6111 is an inclined surface, the ink scraping sheet 612 and the first ink guiding hole 6112 are respectively arranged at two ends of the inclined surface, the ink scraping sheet 612 is arranged at a high end of the inclined surface, and the first ink guiding hole 6112 is arranged at a low end of the inclined surface. The ink scraping sheet 612 is a sheet-shaped structure with a curved top, and the curved direction of the ink scraping sheet 612 faces the first ink guide hole 6112, which is helpful for ink scraped when the nozzle is scraped to flow into the first ink collecting groove 6111.

The first driving mechanism 630 includes: the main synchronous pulley 631 is connected with the driven pulley 632 through the third synchronous belt 634, an output shaft of the ink scraping motor 633 is connected with the main synchronous pulley 631, the main synchronous pulley 631 and the driven pulley 632 are used for transmitting the driving force of the ink scraping motor 633, the fixing component 635 is sleeved on the third synchronous belt 634, and the third synchronous belt 634 is connected with the ink scraping disc 611 through the fixing component 635.

The first driving mechanism 630 further includes a third linear guide 636 and a third sliding block 637 sleeved on the third linear guide 636, and the ink scraping plate 611 is fixed on the third sliding block 637, so that the ink scraping motor 633 drives the third synchronous belt 634 to move, so as to enable the ink scraping assembly 610 to move back and forth along the third linear guide 636.

The subassembly 620 of moisturizing includes the moisturizing dish 621 and is fixed in moisturizing mouth 622 on the moisturizing dish 621, moisturizing mouth 622 be used for right the shower nozzle is moisturized, when preventing that the printer is out of work, the ink dry knot on shower nozzle surface blocks up the shower nozzle. A groove 6221 is formed in the top surface of the moisturizing nozzle 622, the shape of the groove 6221 is matched with that of the spray head, and a sealing ring (not shown) is arranged in the groove 6221, so that when the spray head does not work, the moisturizing nozzle 622 and the spray head can be tightly attached to each other, and the spray head is in a wet state and is not dry and hard; to extend the life of the spray head, the moisturizing nozzle 622 should be cleaned at intervals to prevent clogging of the spray head by dust.

The top surface of the moisturizing disc 621 is provided with a second ink collecting groove 6211 for containing waste ink and a second ink guide hole 6212 for discharging ink, the moisturizing nozzle 622 and the second ink guide hole 6212 are arranged in the second ink collecting groove 6211, and the second ink guide hole 6212 is communicated with the waste ink groove 650, so that the waste ink in the second ink collecting groove 6211 flows into the waste ink groove 650 through the second ink guide hole 6212.

A waste ink tank (not shown) is further installed at a lower end of the waste ink tank 650 to discharge waste ink from the waste ink tank 650.

The second driving mechanism 640 includes a moisturizing motor 641, a second lead screw 642, a nut 643 and a nut mounting base 644, the nut 643 is mounted at the lower side of the middle of the moisturizing tray 621 through the nut mounting base 644, the nut 643 is fixed on the nut mounting base 644 through a screw, and the nut 643 is further screwed on the second lead screw 642. When the moisturizing motor 641 drives the second lead screw 642 to rotate, the moisturizing component 620 is driven by the nut 643 to slide along the Z direction, so as to moisturize the spray head.

A manual knob 645 is further disposed below the moisturizing motor 641, the manual knob 645 is fixed to the second lead screw 642, and the moisturizing assembly 620 is driven to move upwards by the manual knob 645 when power is cut off, so that the spray head is moisturized.

Moisturizing wiping device 600 combines wiping component 610 and moisturizing component 620 together, and compact structure can discharge waste ink into useless china ink groove when wiping or moisturizing the shower nozzle, avoids the secondary pollution to the shower nozzle, has improved the clean effect and the effect of moisturizing of shower nozzle greatly.

When the method is specifically implemented, photosensitive materials are coated on the silk-screen printing plate 700, the silk-screen printing plate 700 is fixed on a printer through the silk-screen fixing device 400, the ink-jet trolley body 500 performs ink-jet printing on the silk-screen printing plate through the X-direction transmission mechanism 200 and the Y-direction transmission assembly 300, after the printing is completed, the silk-screen printing plate is taken down and put into a screen exposure machine for exposure, then ink and redundant photosensitive materials are washed, and the silk-screen printing plate can be used after being dried; and then the residual ink remained on the nozzle is wiped by the moisturizing and ink scraping device 600, the nozzle is moisturized by the moisturizing component after wiping, so that the nozzle is in a wet state and is not dry, the waste ink can be discharged into the waste ink tank to avoid secondary pollution to the nozzle when the ink is scraped or moisturized, and the cleaning effect and the moisturizing effect of the nozzle are greatly improved.

According to the ink-jet digital printer for the silk-screen printing plate, provided by the embodiment of the invention, the image can be directly printed on the silk-screen printing plate by the digital ink-jet printer for the silk-screen printing plate, the image does not need to be printed on a transparent material and then transferred onto the silk-screen printing plate, the process flow is reduced, and the efficiency is improved. Through setting up the margin, the header of printing, can fix a position the position of image on the silk screen version fast, do not need the manual image position of confirming when rendition, improved the efficiency of follow-up technology.

It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention, and the present invention is provided for understanding the present disclosure more fully. Furthermore, the above-mentioned technical features are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. An ink-jet digital printer for a screen printing plate is characterized by comprising: the device comprises a rack, a transverse beam assembly, a Y-direction transmission assembly, a screen fixing device, an ink-jet trolley body and a moisturizing and ink scraping device, wherein the transverse beam assembly, the Y-direction transmission assembly and the screen fixing device are arranged on the rack;

the transverse beam assembly comprises a mounting seat and an X-direction transmission mechanism arranged on the mounting seat, the ink-jet trolley body and the moisturizing and ink-scraping device are both arranged on the mounting seat, the ink-jet trolley body is positioned above the moisturizing and ink-scraping device and the screen fixing device, and the X-direction transmission mechanism is used for driving the ink-jet trolley to move in the X direction on the mounting seat;

the Y-direction transmission assembly is connected with the mounting seat and used for driving the beam assembly to move on the rack along the Y direction, so that the ink-jet trolley body moves above the screen fixing device in the Y direction.

2. Inkjet digital printer according to claim 1,

the X-direction transmission mechanism comprises an ink jet motor, a driving synchronous pulley, a cross beam, a duplex synchronous pulley, a driven synchronous pulley, a first synchronous belt and a second synchronous belt, the cross beam is transversely arranged above the notch of the mounting seat, and the duplex synchronous pulley and the driven synchronous pulley are respectively arranged at two ends of the cross beam;

3. Inkjet digital printer according to claim 2,

the X-direction transmission mechanism further comprises a connecting unit and a first linear guide rail arranged on the cross beam, and the ink-jet trolley body is connected with the second synchronous belt through the connecting unit;

4. Inkjet digital printer according to claim 3,

the Y-direction transmission assembly comprises a servo motor, a first lead screw, a second linear guide rail, a second slide block and a synchronous plate;

5. Ink jet digital printer according to claim 4,

the moisturizing and ink scraping device comprises an ink scraping component, a moisturizing component and a driving device, wherein the ink scraping component moves along the Y direction through a first driving mechanism and a driving device, the moisturizing component moves along the Z direction through a second driving mechanism, and a waste ink tank communicated with the ink scraping component and the moisturizing component.

6. Ink jet digital printer according to claim 5,

the ink scraping assembly comprises an ink scraping disc and an ink scraping sheet arranged on the ink scraping disc;

the first ink guide hole is communicated with the waste ink tank.

7. Ink jet digital printer according to claim 6,

the moisturizing component comprises a moisturizing disc and a moisturizing nozzle fixed on the moisturizing disc;

the second ink guide hole is communicated with the waste ink tank.

8. Inkjet digital printer according to claim 7,

the screen fixing device comprises a screen fixing component, a screen fixing frame and a frame fixing block;

9. Inkjet digital printer according to claim 8,

the screen fixing frame is rectangular;

10. Inkjet digital printer according to claim 9,

the convex part is provided with a wave bead screw which is abutted against the lower surface of the notch, so that the screen fixing frame is fixed on the rack.