CN217622787U - Ink-jet printing device and printing equipment for preventing UV (ultraviolet) lamp from curing ink drops of spray head - Google Patents

Abstract

The utility model belongs to the technical field of the inkjet printing, especially, relate to a prevent inkjet printing device and printing apparatus of UV lamp solidification shower nozzle ink droplet, thereby solved the ink droplet of the jet orifice department of each shower nozzle on the current printing dolly and shine the solidification by the UV lamp and cause the technical problem that the orifice blockked up easily, provide a prevent inkjet printing device of UV lamp solidification shower nozzle ink droplet, this inkjet printing device includes: the printing device comprises a conveying mechanism with a conveying piece for conveying an object to be printed in the conveying direction, a printing mechanism with a printing beam and a printing trolley provided with a plurality of nozzles, a first curing mechanism with a plurality of UV lamps for curing ink drops on the object to be printed and obtaining ink jet printing, and a first shading mechanism with an ink receiving groove positioned below the nozzles and a shading baffle plate arranged on one side of the ink receiving groove, wherein the printing trolley moves on the printing beam and performs ink jet printing on the object to be printed. The utility model has the advantages of preventing the ink drop at the spray hole of the spray head from being irradiated and solidified by the UV lamp.

Description

Ink-jet printing device and printing equipment for preventing UV (ultraviolet) lamp from curing ink drops of spray head

Technical Field

The utility model relates to an ink jet printing field especially relates to a prevent ink jet printing device and printing apparatus of UV lamp solidification shower nozzle ink droplet.

Background

The ink jet printing technology refers to a technology of obtaining a printed image or text by ejecting ink droplets onto an object to be printed through an ejection head. The technology is non-contact printing, has the advantages of high printing speed, small pollution, adaptability to various media to be printed and the like, and is widely applied to the field of industrial application. The ink-jet printing is divided into two modes, namely Scanning ink-jet printing and One-time paper-feeding imaging (One-pass) ink-jet printing according to the movement modes of a printing trolley and an object to be printed, wherein the Scanning ink-jet printing comprises roll-to-roll ink-jet printing and desktop ink-jet printing, the printing trolley moves back and forth along a guide rail beam relative to the object to be printed in the ink-jet printing process, the object to be printed moves relatively along the direction vertical to the movement direction of the printing trolley, and the guide rail beam for mounting the printing trolley is static; whereas flatbed inkjet printing has two cases in inkjet printing applications: one is that the guide rail beam is fixed in the ink-jet printing process, the printing trolley moves back and forth along the guide rail beam, and the printing platform moves relatively along the direction vertical to the moving direction of the printing trolley; the other is that the printing platform is stationary, the printing trolley moves back and forth along the guide rail beam relative to the object to be printed, and the printing trolley moves relatively along the direction perpendicular to the guide rail beam. While the printing trolley is still in the ink-jet process in the one-time paper feeding imaging ink-jet printing process, and the object to be printed moves in a unidirectional high speed. The requirement on the printing precision and the printing width of the spray head is high by adopting one-time paper feeding imaging ink-jet printing, the printing precision of the spray head needs to be the printing precision of an image, the printing width of the spray head needs to be the printing width of the image, and the high precision is obtained by splicing the spray heads and the wider printing width is obtained by connecting the spray heads in series.

And, with the demand for printing quality becoming higher and higher, generally, in the printing mode that the printing trolley of the above-mentioned platform type ink jet printing moves back and forth along the guide rail beam, the nozzle on the printing trolley jets ink droplets to form images and texts when passing through the image area to be printed on the object to be printed, a curing device is arranged in the direction facing the ink droplets to be printed on the object to be printed, and the curing device performs ultraviolet lamp irradiation processing on the ink droplets to be printed while the nozzle jets ink, however, in the prior art, on one hand, the nozzle moves along with the movement on the printing trolley, the nozzle is easy to move to the ultraviolet light of the ultraviolet lamp (UV lamp), especially, a small part of the scattered light irradiates the nozzle orifice of the ultraviolet nozzle, on the other hand, the curing device also has a condition of moving relative to the object to be printed, so that the above-mentioned ultraviolet light irradiates the nozzle orifice of the nozzle easily, no matter under which the nozzle orifice is irradiated by the ultraviolet light, the ink droplets at the nozzle orifice may be cured to cause the nozzle orifice to be blocked, and the printing device may not work normally, causing serious work failure.

Therefore, it is desirable to provide an inkjet printing apparatus and printing equipment capable of preventing ink droplets at the nozzle holes of the nozzle head from being cured by UV light irradiation, preventing the nozzle holes from being blocked, and ensuring normal operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the ink droplet of shower nozzle jet orifice department can be shone the solidification by the UV lamp among the above-mentioned prior art not enough, for realizing the utility model discloses an aim provides one kind, include: a conveying mechanism including a conveying member for conveying an object to be printed in a conveying direction; the printing mechanism comprises a printing cross beam and a printing trolley provided with a plurality of nozzles, and the printing trolley moves on the printing cross beam and performs ink-jet printing on an object to be printed; a first curing mechanism including a plurality of UV lamps for curing ink droplets on an object to be printed for which inkjet printing is obtained; and the first shading mechanism comprises an ink receiving groove positioned below the spray head and a shading baffle arranged on one side of the ink receiving groove.

Furthermore, the first shading mechanism further comprises a sliding frame, a support and a driving motor, the top of the sliding frame is fixedly connected with the ink groove, a pair of sliding blocks are arranged on two sides of the sliding frame, the support is provided with a pair of sliding grooves in sliding fit with the pair of sliding blocks, and the driving motor drives a screw rod to drive the sliding frame to move on the support relatively.

Furthermore, a pair of fixing plates is arranged on the support and fixedly connected with the printing cross beam.

Furthermore, the spray heads are arranged on the printing trolley at intervals, the ink receiving groove is set to be a rectangle larger than the arrangement area of the spray heads on the printing trolley, and the shading baffle is arranged on one rectangular edge in a protruding mode and is transversely arranged between the spray heads and the UV lamp.

Furthermore, the ink-jet printing device also comprises a frame, a second curing mechanism and a second shading mechanism which are positioned at the downstream of the first shading mechanism relative to the conveying direction, wherein the second shading mechanism comprises a shading plate which is fixed on the frame or the printing trolley and is transversely arranged between the spray head and the second curing mechanism.

Further, the inkjet printing apparatus further includes a support fixed to the frame, and the second curing mechanism includes a driving mechanism and a plurality of UV lamp assemblies, and the driving mechanism drives the UV lamp assemblies to move in a direction parallel to or/and perpendicular to the support.

Further, second solidification mechanism includes lift seat, support frame and mounting bracket, and the support frame is fixed on the support, is equipped with sliding fit's recess and arch on lift seat and the support frame, and each UV banks spare is installed on the mounting bracket, and the mounting bracket slides with the lift seat and links to each other, and actuating mechanism includes translation servo motor and the lift servo motor that links to each other with mounting bracket and lift seat drive respectively.

Furthermore, the mounting rack is parallel to the support and perpendicular to the support frame, the plurality of UV lamp assemblies are evenly arranged on the mounting rack along the direction parallel to the support, the light shielding plate comprises a rectangular flat plate and a pair of fixed support legs fixed with the rack, and the projection of the rectangular flat plate in the direction perpendicular to the mounting rack covers all the UV lamp assemblies.

Furthermore, the extending direction of the bracket is vertical to the conveying direction, and two second curing mechanisms and two second shading mechanisms are arranged on the bracket and the rack at intervals and correspondingly.

In order to realize the another purpose of the utility model, a printing device is provided, including the inkjet printing device of any above anti UV lamp solidification shower nozzle ink droplet.

The utility model has the advantages that: the shading baffle plate arranged on the ink receiving groove close to the nozzle is utilized to block UV rays from irradiating the nozzle orifice of the nozzle, so that ink drops at the nozzle orifice of the nozzle are prevented from being irradiated and cured by a UV lamp, the nozzle orifice is prevented from being blocked by the cured ink drops, and the normal operation of work is ensured.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without any creative work, other drawings can be obtained according to the drawings, and these drawings are all within the scope of the present invention.

Fig. 1 is a partial schematic view of a printing apparatus according to an embodiment of the present invention at a first viewing angle;

fig. 2 is a partial schematic view of a printing apparatus according to an embodiment of the present invention at a second viewing angle;

fig. 3 is a front view of a first shading mechanism of an inkjet printing apparatus for preventing UV lamp curing nozzle ink droplets according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a second curing mechanism and a second shading mechanism of the inkjet printing apparatus for preventing UV lamp curing nozzle ink droplets according to the embodiment of the present invention;

FIG. 5 is a schematic view of a light blocking plate of FIG. 4 hidden therein;

description of reference numerals:

1-a first shading mechanism; 11-ink receiving groove; 111-a light-blocking baffle; 12-a carriage; 121-a slider; 13-a support; 131-a fixing plate; 132-a drive motor; 14-a screw rod; 2-a second shading mechanism; 21-a scaffold; 22-a visor; 23-a drive mechanism; 231-a UV lamp assembly; 232-lifting seat; 233-support frame; 234-translation servo motor; 235-a lifting servo motor; 236-a mounting frame; 10-a frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element identified by the phrases "comprising 8230 \8230;" limiting 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element. If there is no conflict, the embodiments of the present invention and various features in the embodiments can be combined with each other, all of which are within the scope of the present invention.

Referring to fig. 1 to 5, as an object of the present invention, the present invention provides an inkjet printing apparatus for preventing UV lamp from curing nozzle ink droplet, which includes a conveying mechanism, a printing mechanism, a first curing mechanism and a first shading mechanism 1, the conveying mechanism includes a conveying member, such as a conveying belt, for conveying an object to be printed in a conveying direction of the conveying member, the printing mechanism includes a printing beam and a printing trolley provided with a plurality of nozzles, the printing trolley moves on the printing beam and performs inkjet printing on the object to be printed, the first curing mechanism includes a plurality of UV lamps for curing ink droplets on the object to be printed to obtain inkjet printing, the first shading mechanism 1 includes an ink receiving slot 11 located below the nozzle and a shading baffle 111 disposed on one side of the ink receiving slot 11, and it can be known that the shading baffle 111 is made of opaque material, because the shading baffle 111 can block UV light from irradiating the nozzle hole, thereby the ink droplet at the nozzle hole of the nozzle can not be irradiated and cured by UV lamps, thereby avoiding the nozzle hole from being blocked by the cured ink droplets, and ensuring normal operation of the inkjet printing apparatus.

Referring to fig. 3, in detail, the first light shielding mechanism 1 further includes a carriage 12, a support 13 and a driving motor 132, the top of the carriage 12 is fixed to the ink receiving slot 11, a pair of sliding blocks 121 are disposed on two sides of the carriage 12, the support 13 is provided with a pair of sliding slots (not shown) in sliding fit with the pair of sliding blocks 121, and the driving motor 132 drives a lead screw 14 to drive the carriage 12 to move relatively on the support 13. In this way, the ink receiving slot 11 and the light-shielding baffle 111 thereon can be stably and accurately moved relative to the head by the driving motor 132, thereby ensuring that the ink receiving slot 11 can reliably receive residual ink dropped from the head and the light-shielding baffle 111 always blocks UV light from irradiating the nozzle holes of the head.

Preferably, the support 13 is provided with a pair of fixing plates 131, and the fixing plates 131 are fixedly connected with the printing beam. Thus, the first light shielding mechanism 1 can firmly fix and stably maintain the relative position of the light shielding shutter 111 and the head.

Preferably, the nozzles are arranged on the printing trolley at intervals, the ink receiving groove 11 is set to be a rectangle larger than the arrangement area of the nozzles on the printing trolley, and the shading baffle 111 is arranged on one rectangular edge in a protruding mode and transversely arranged between the nozzles and the UV lamp. Thus, the ink receiving groove 11 is ensured to be adapted to the arrangement shape of the heads, and the light blocking plate 111 blocks the UV rays in a protruding manner.

Referring to fig. 4 and 5 in combination, the inkjet printing apparatus preferably further includes a frame 10 and a second curing mechanism and a second light shielding mechanism 2 located downstream of the first light shielding mechanism 1 with respect to the conveying direction of the conveying mechanism, and the second light shielding mechanism 2 includes a light shielding plate 22 fixed to the frame 10 or the printing cart and disposed transversely between the heads and the second curing mechanism, so that the light shielding plate 111 and the light shielding plate 22 can reliably block the ink droplets irradiated by the UV light to the nozzle holes of the heads at two different curing positions upstream and downstream, respectively.

Specifically, the inkjet printing apparatus further includes a support 21 fixed to the frame 10, and the second curing mechanism includes a driving mechanism 23 and a plurality of UV lamp assemblies 231, and the driving mechanism 23 drives the UV lamp assemblies 231 to move in a direction parallel to and/or perpendicular to the support 21. Thus, the plurality of UV lamp assemblies 231 can be adjusted in curing positions in multiple directions, thereby obtaining an excellent curing effect.

Specifically, the second curing mechanism includes a lifting seat 232, a supporting frame 233 and a mounting frame 236, the supporting frame 233 is fixed on the support 21, the lifting seat 232 and the supporting frame 233 are provided with a groove and a protrusion which are in sliding fit, each UV lamp assembly 231 is mounted on the mounting frame 236, the mounting frame 236 is in sliding connection with the lifting seat 232, and the driving mechanism 23 includes a translation servo motor 234 and a lifting servo motor 235 which are in driving connection with the mounting frame 236 and the lifting seat 232 respectively. The translation servo motor 234 and the elevation servo motor 235 respectively drive the UV lamp assemblies 231 to move in directions parallel and perpendicular to the support 21, so that the curing positions of the respective UV lamp assemblies 231 can be precisely adjusted.

Specifically, the mounting frame 236 is parallel to the support frame 21 and perpendicular to the support frame 233, the plurality of UV lamp assemblies 231 are uniformly arranged on the mounting frame 236 in a direction parallel to the support frame 21, the light shielding plate 22 includes a rectangular flat plate and a pair of fixing legs fixed to the frame 10, and a projection of the rectangular flat plate in a direction perpendicular to the mounting frame 236 covers the plurality of UV lamp assemblies 231. The rectangular flat plate has enough light blocking area, and the set light blocking position can block all UV rays including scattered UV rays, so that the spray nozzle orifices of each spray nozzle can not be irradiated by the UV lamp rays.

Preferably, the extending direction of the support 21 is perpendicular to the conveying direction, and two second curing mechanisms and two second shading mechanisms 2 are arranged on the support 21 and the frame 10 at intervals and correspondingly. Through setting up two second solidification mechanisms that can solidify the operation simultaneously, not only improved solidification efficiency, and two corresponding second shading mechanism 2 have also blocked two second solidification mechanism's UV lamp light irradiation to each shower nozzle orifice correspondingly.

As another object of the utility model provides a printing apparatus, it includes the above any kind prevents the inkjet printing device of UV lamp curing shower nozzle ink droplet, and printing apparatus can obtain by any kind prevents the beneficial effect that the inkjet printing device of UV lamp curing shower nozzle ink droplet brought, no longer gives unnecessary details here, consequently, printing apparatus can avoid the orifice of shower nozzle to be blockked up by the UV lamp curing to guarantee printing apparatus's normal work.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be construed as being included in the scope of the present invention.

Claims (10)

1. An inkjet printing apparatus for protecting UV lamp curing nozzle drops, comprising:

a conveying mechanism including a conveying member for conveying an object to be printed in a conveying direction;

the printing mechanism comprises a printing cross beam and a printing trolley provided with a plurality of nozzles, and the printing trolley moves on the printing cross beam and performs ink-jet printing on the object to be printed;

a first curing mechanism including a plurality of UV lamps for curing ink droplets on the object to be printed for which inkjet printing is obtained;

and the first shading mechanism comprises an ink receiving groove positioned below the spray head and a shading baffle arranged on one side of the ink receiving groove.

2. The UV curable nozzle ink droplet printing apparatus according to claim 1, wherein the first light shielding mechanism further comprises a carriage, a support and a driving motor, the carriage is fixed to the ink receiving slot at a top portion thereof and has a pair of sliding blocks at two sides thereof, the support has a pair of sliding grooves slidably engaged with the pair of sliding blocks, and the driving motor drives a lead screw to drive the carriage to move relatively on the support.

3. The UV curable nozzle ink droplet printing apparatus of claim 2, wherein a pair of fixing plates are disposed on said support, and said fixing plates are fixedly connected to said printing beam.

4. The inkjet printing apparatus for preventing UV lamp from curing ink droplets as recited in claim 1, wherein the nozzles are arranged on the printing carriage at a distance, the ink receiving slot is configured as a rectangle larger than an area of the arrangement of the nozzles on the printing carriage, and the light blocking plate protrudes from a side of the rectangle and is transversely disposed between the nozzles and the UV lamp.

5. The UV light curable nozzle drop proof inkjet printing apparatus of claim 1 further comprising a frame and a second curing mechanism and a second shutter mechanism downstream of said first shutter mechanism relative to said transport direction, said second shutter mechanism comprising a shutter plate secured to the frame or the print carriage and positioned transversely between said nozzle and said second curing mechanism.

6. The UV resistant lamp curable nozzle ink drop inkjet printing apparatus of claim 5 further comprising a carriage fixed to the frame, the second curing mechanism including a plurality of UV lamp assemblies and a drive mechanism, the drive mechanism driving the UV lamp assemblies to move in a direction parallel to and/or perpendicular to the carriage.

7. The inkjet printing apparatus of claim 6, wherein the second curing mechanism comprises a lifting seat, a support frame and a mounting frame, the support frame is fixed on the support frame, a groove and a protrusion which are in sliding fit are formed in the lifting seat and the support frame, each of the UV lamp assemblies is mounted on the mounting frame, the mounting frame is in sliding connection with the lifting seat, and the driving mechanism comprises a translation servo motor and a lifting servo motor which are respectively connected with the mounting frame and the lifting seat in a driving manner.

8. The UV resistant lamp curable nozzle ink droplet inkjet printing apparatus of claim 7, wherein the mounting frame is parallel to a support and perpendicular to the support frame, the plurality of UV lamp assemblies are uniformly arranged on the mounting frame in a direction parallel to the support, the shadow mask comprises a rectangular flat plate and a pair of fixing legs fixed to the frame, and a projection of the rectangular flat plate in a direction perpendicular to the mounting frame covers all of the UV lamp assemblies.

9. The UV curable nozzle ink droplet printing apparatus of claim 6, wherein the extension direction of the support is perpendicular to the conveying direction, and two second curing mechanisms and two second shading mechanisms are provided on the support and the frame at intervals and correspondingly.

10. A printing apparatus comprising an ink jet printing device of UV lamp curing resistant jet ink droplets as claimed in any one of claims 1 to 9.

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