CN212472839U

CN212472839U - Oneeglass printing equipment capable of solidifying step by step

Info

Publication number: CN212472839U
Application number: CN202021832983.2U
Authority: CN
Inventors: 何凯; 黄冬林
Original assignee: Dongguan Tuchuang Intelligent Manufacturing Co Ltd
Current assignee: Dongguan Tuchuang Intelligent Manufacturing Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-02-05
Anticipated expiration: 2030-08-28

Abstract

The utility model belongs to the technical field of print, solve current printing apparatus and print the poor and poor technical problem of adhesion force of pattern bandwagon effect, provide an OnPass printing apparatus of step solidification. The printing device comprises a surface treatment device, a printing device and a control device, wherein the surface treatment device is used for treating the surface of a printing medium so as to form an adhesion layer on the surface of the printing medium; a first printing device for ejecting a first liquid on an adhesion layer surface of a printing medium; the first curing device is used for curing the first liquid on the surface of the adhesion layer to form a first layer; a second printing device for ejecting a second liquid on the surface of the first layer; and the second curing device is used for curing the second liquid on the surface of the first layer. The utility model discloses adhesive linkage and first layer in proper order on print medium's surface, the adhesive linkage improves the adhesive force of print medium and first layer, makes the second liquid form clear pattern on the surface of first layer simultaneously, obtains clearly show the pattern and prints the effect that the pattern is difficult for droing.

Description

Oneeglass printing equipment capable of solidifying step by step

Technical Field

The utility model relates to a technical field who prints especially relates to an Onepass printing apparatus of step solidification.

Background

The existing printing medium printing device generally utilizes a transmission device to transmit a printing medium, and the printing medium passes through a printing device and a curing device, so as to print, cure and the like on the printing medium, thereby realizing printing on the printing medium. In the existing printing equipment, printing is directly performed on a printing medium according to a required pattern, but in the process of directly performing printing on the printing medium, when some printing media are transparent or have colors similar to the required printing pattern, printing is directly performed according to the pattern, so that the printed pattern is similar to the printing medium, or the printed pattern is attached to the transparent printing medium to influence the viewing and identification of a user, and the required printing pattern cannot be clearly displayed to the user; in addition, directly print on print media, it is not good to have adhesive force between ink and the print media, and then causes a period of time after, the pattern after printing can drop from print media, consequently current printing apparatus exists in the unable clear pattern that shows to the user that needs to print in the printing process and the relatively poor technical problem of adhesive force between ink and the print media.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides an Oneepass printing apparatus of step-by-step solidification for solve current printing apparatus and can't clear show the required pattern of printing and the relatively poor technical problem of adhesive force between ink and the print medium to the user in printing process.

A stepwise curing Onepass printing apparatus, the apparatus comprising: the surface treatment device is used for treating the surface of a printing medium so as to form an adhesion layer on the surface of the printing medium; the first printing device is used for spraying first liquid on the surface of the adhesion layer; the first curing device is used for curing the first liquid to form a first layer; a second printing device for ejecting a second liquid on the surface of the first layer; the second curing device is used for curing the second liquid on the surface of the first layer; the surface treatment device, the first printing device, the first curing device, the second printing device and the second curing device are arranged in sequence along the conveying direction of the printing medium.

Further, the Oneeglass printing device with step-by-step curing also comprises: the limiting component is used for limiting the printing medium; the limiting assembly is arranged along one side of the printing medium transmission direction.

Further, the surface treatment apparatus includes a treatment frame; the surface treatment mechanism is used for treating the surface of the printing medium so as to form an adhesion layer on the surface of the printing medium; a first adjusting mechanism for adjusting the height of the surface treatment mechanism in the longitudinal direction; the surface treatment mechanism is connected with the treatment frame through a first adjusting mechanism.

Further, the surface treatment apparatus further includes a second adjustment mechanism for adjusting a position of the surface treatment mechanism in a lateral direction perpendicular to the longitudinal direction.

Further, the first printing apparatus and/or the second printing apparatus includes: the printing mechanism comprises a printing frame, a printing mechanism and an adjusting component, wherein the adjusting component is used for adjusting the relative position of the printing mechanism relative to the printing frame in the longitudinal direction and the relative position of the printing mechanism relative to the printing frame in the transverse direction perpendicular to the longitudinal direction.

Further, the first printing apparatus and/or the second printing apparatus further includes: the height measuring device is electrically connected with the controller and used for measuring the height difference between the printing mechanism and the printing medium.

Further, the first curing device includes: a first curing rack; a first curing mechanism for curing the first layer; and the third adjusting mechanism is used for adjusting the height of the curing mechanism in the longitudinal direction and/or the position of the curing mechanism in the transverse direction perpendicular to the longitudinal direction.

Further, the second curing device includes: a second curing rack; a second curing mechanism for curing the second liquid on the first layer surface; and the fourth adjusting mechanism is used for adjusting the height of the second curing mechanism in the longitudinal direction and/or the position of the second curing mechanism in the transverse direction perpendicular to the longitudinal direction.

Further, the transport speed of the printing medium is set to 20 to 30 m/min.

Further, the distance between two adjacent devices of the surface treatment device, the first printing device, the first curing device, the second printing device and the second curing device is set to be 12-15 cm.

Further, the first printing device includes a first head; the first curing device is provided with a first light source; the second printing device comprises a second spray head; the second curing device is provided with a second light source; a first space is formed between the first light source and the first spray head, and a second space is formed between the first light source and the second spray head.

Further, the printing medium is a container that can contain an article.

To sum up, the utility model has the advantages that: owing to adopted first printing device to spout first liquid to print media in advance, first liquid sprays print media's surface, plays a stable print media surface's effect to make the better attached to print media's surface of second liquid, the utility model discloses spout the dry first layer that forms of first liquid between print media and second liquid, the first layer plays the effect of substrate for the second liquid, makes the second liquid form clear pattern on the surface of first layer, obtains the effect of clearly showing the pattern.

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 creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.

FIG. 1 is a schematic structural diagram of Oneeglass printing equipment with step-by-step curing in the embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of a printing apparatus according to an embodiment of the present invention;

FIG. 4 is a front view of the printing apparatus shown in FIG. 3;

FIG. 5 is a side view of the printing apparatus shown in FIG. 3;

FIG. 6 is a cross-sectional view taken along line B of the printing apparatus shown in FIG. 5;

FIG. 7 is a partial schematic view of the printing apparatus shown in FIG. 3;

FIG. 8 is a schematic structural view of a curing device according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a surface treatment device according to an embodiment of the present invention.

Parts and numbering in the drawings:

1. a frame; 2. a limiting component; 21. a limiting mechanism; 22. a fixing mechanism; 221. mounting a rod; 222. an adjusting block; 223. a screw; 224. tightly abutting the screw; 3. a conveying device; 4. a surface treatment device; 41. a processing rack; 42. a surface treatment mechanism; 431. a mounting member; 432. a guide member; 433. a drive member; 434. a force application part; 435. a first scale indication mechanism; 441. A clamping structure; 442. a tightening mechanism; 443. a second scale indication mechanism; 5. a printing device; 51. a printing frame; 511. a recess; 52. printing the trolley; 53; a lifting mechanism; 531. a drive motor; 532. a screw rod; 533. a mounting seat; 534. a first guide assembly; 535. an active block; 536. a transmission block; 537. a belt; 54. a lateral adjustment mechanism; 541. a connecting plate; 542. A second guide assembly; 543. an adjustment member; 545. a force application member; 546. a fastening assembly; 6. A curing device; 61. a curing frame; 62. a curing mechanism; 631. mounting a plate; 632. a guide bar; 633. a slider; 634. a locking mechanism; 64. a lateral sliding mechanism; 641. a slider; 642. a locking mechanism; 643. and a transverse scale indication mechanism.

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 is noted that, herein, relational terms such as first and second, and the like may be 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", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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 defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.

The present invention will be described in further detail with reference to the accompanying fig. 1-9.

The embodiment of the utility model provides an Oneepass printing apparatus of substep solidification, as shown in FIG. 1-7, this Oneepass printing apparatus of substep solidification includes: the surface treatment device 4 is used for treating the surface of the printing medium so as to form an adhesion layer on the surface of the printing medium; the first printing device is used for jetting first liquid to the surface of the adhesion layer on the surface of the printing medium; the first curing device is used for curing the first liquid on the surface of the adhesion layer to form a first layer; a second printing device for ejecting a second liquid on the surface of the first layer; the second curing device is used for curing the second liquid on the surface of the first layer; the surface treatment device 4, the first printing device, the first curing device, the second printing device, and the second curing device are sequentially disposed along a transport direction of the printing medium. The printing medium is preferably a container capable of accommodating articles, and can be various solid media with certain shapes, such as lunch boxes, bags, storage boxes for storing materials, cartons, packing boxes and the like made of any materials, or a part of the container, or a lunch box cover of the lunch box, and the like, and high-speed printing is directly realized on the surface of the container.

In this embodiment, the first liquid is white ink, and the second liquid is color ink, and in other embodiments, the first liquid may be other liquids such as paint; the first printing apparatus and the second printing apparatus are collectively referred to as a printing apparatus 5; the first curing device and the second curing device are collectively referred to as a curing device 6; the Oneeglass printing equipment solidified step by step also comprises a frame 1 and a conveying device 3, wherein the conveying device 3 is used for conveying printing media, and the conveying speed of the conveying device is set to be 20-30 m/min; the conveying device 3 is arranged on the upper surface of the frame 1, and the conveying device 3 is of a conveying belt type; the first printing device, the first curing device, the second printing device and the second curing device are arranged on the rack 1 in a spanning mode, and the conveying device 3 is located below the first printing device, the first curing device, the second printing device and the second curing device; the first printing device is used for carrying out ink jet printing on a first liquid on a printing medium, the first curing device is used for curing the first liquid, the second printing device is used for carrying out ink jet printing on a second liquid on the printing medium, the second curing device is used for curing the second liquid, the printing medium is conveyed on the conveying device 3, the first printing device sprays the first liquid on the printing medium when passing through the lower part of the first printing device, then the printing medium is continuously conveyed, the first curing device cures the first liquid after passing through the first curing device, then the printing medium is continuously conveyed to the lower part of the second printing device, the second printing device sprays the second liquid on the printing medium which is sprayed with the first liquid and cured with the first liquid, then the printing medium is continuously conveyed to the second curing device, and the second curing device cures the second liquid, to complete ink-jet printing of the print medium; owing to adopted first printing device to spout first liquid to print media in advance, first liquid sprays print media's surface, play a stable print media surface's effect, so that the better attached to print media's of second liquid surface, the first layer that first liquid formed, make the levelling nature of second liquid better, and then make the second liquid spot can not appear, make the second liquid form after the drying levelly and smoothly, it is smooth, even layer, the first layer plays the effect of substrate for the second liquid, make the second liquid form more clear pattern on the surface of first layer. In addition, the equipment is provided with the surface treatment device 4, the surface of the printing medium can be treated by plasma spraying or other spraying modes, so that an adhesion layer is formed on the surface of the printing medium, the adhesion between the ink and the printing medium is stronger, and the ink is prevented from falling off from the surface of the printing medium. The printing equipment is Oneepass printing equipment and is used for high-speed printing; the first layer with high adhesive force is formed on the upper surface of the printing medium, the second liquid can serve as a substrate, the adhesive force of the printed pattern is high, and the printed pattern can be clearly displayed for a user.

The utility model discloses a solidification step by step, after first printing medium sprays first liquid to the printing medium surface, first solidification equipment solidifies first liquid, makes first liquid preliminary solidification, and first liquid forms the dry layer on the printing medium surface, avoids wet first liquid and second liquid to mix, influences the printing effect; the second liquid forms a clearer pattern on the surface of the dry first liquid, so that the pattern is prevented from being blurred due to mixing with the wet first liquid; preferably, the curing power of the first curing device is lower than that of the second curing device, so that the first liquid is primarily cured, and finally, after the second liquid is printed, a stable printed pattern is formed; printing a layer of first liquid for curing and then printing a second liquid can improve the leveling effect of the second liquid, and the second liquid has a better printing effect after being cured; the first liquid is white ink, the second liquid is color ink, so that the white ink is used for priming before the color ink is printed, and the leveling effect of the color ink is improved.

In other embodiments, the first liquid may be a UV paint, an aspartyl white matte paint, or other ink.

Preferably, as shown in fig. 1 and 2, the Onepass printing apparatus with step curing further includes: a limiting component 2 for limiting the printing medium; the spacing component 2 is arranged along one side of the printing medium transmission direction.

In the present embodiment, the lateral direction is the direction of arrow X in fig. 1; two groups of limiting assemblies 2 are arranged on the rack 1 respectively and are positioned at two sides of the conveying assembly along the conveying direction; spacing subassembly 2 includes: the limiting mechanism 21 is fixedly connected with the rack 1 through the fixing mechanism 22, the limiting mechanism 21 is attached to a printing medium to limit the printing medium, and the relative position of the limiting mechanism 21 in the transverse direction (the direction of an arrow X in fig. 1) is adjustable; a plurality of groups of fixing mechanisms 22 are arranged, and the fixing mechanisms 22 are arranged along the length direction of the limiting mechanism 21 at equal intervals; the fixing mechanism 22 comprises an installation rod 221, an adjusting block 222, a polish rod and a holding screw 224, wherein the axis of the installation rod 221 is vertical downward, the adjusting block 222 clamps the installation rod 221, the adjusting block 222 is provided with a through hole for the polish rod to pass through, the axis of the through hole is perpendicular to the installation rod 221, the polish rod is arranged in the through hole in a penetrating manner and can slide along the axis of the through hole, the holding screw 224 is arranged in the adjusting block 222 in a penetrating manner and holds the polish rod in the through hole in a holding manner; one end of the polish rod, which is far away from the mounting rod 221, is connected with the limiting mechanism 21; the polish rod slides in the through hole to adjust the relative position of the polish rod and the mounting rod 221, and further adjust the relative position of the limiting mechanism 21 and the rack 1. Adjusting the relative position of the limiting mechanism 21 and the rack 1 to adjust the limiting mechanism 21 to limit the conveying track of the printing medium; and then can adjust according to the different width sizes of print media, make stop gear 21 be applicable to the print media of different sizes.

Preferably, the first printing apparatus and the second printing apparatus have the same structure, and each of the first printing apparatus and the second printing apparatus includes: a printing frame 51, a printing mechanism, and an adjustment assembly for adjusting a relative position of the printing mechanism with respect to the printing frame 51 in a longitudinal direction and a relative position in a lateral direction perpendicular to the longitudinal direction.

In the present embodiment, referring to fig. 3 to 7, the first printing device and the second printing device are collectively referred to as the printing device 5, the printing frame 51 is disposed across the frame 1, and the conveying device 3 is located below the printing device 5; because the printing device 5 in the Onepass printing equipment solidified step by step is provided with the adjusting component which is used for adjusting the relative position of the printing mechanism relative to the longitudinal direction of the printing frame 51 and the relative position in the transverse direction (the direction of an arrow X in fig. 1), the distance between the lifting mechanism 53 and the printing medium can be adjusted according to the size of the printing medium, so that the printing device 5 is adaptive to the printing media with different heights and width dimensions, the technical problem that the printing device 5 in the Onepass printing equipment solidified step by step can not meet the requirement of processing the printing media with different heights and widths is solved, and the Onepass printing equipment solidified step by step has the effect of processing the printing media with different height dimensions.

The adjusting assembly comprises: a lifting mechanism 53 and a lateral adjustment mechanism 54; the lifting mechanism 53 drives the printing mechanism to move along the longitudinal direction; the lateral adjustment mechanism 54 is used to drive the printing mechanism to slide in the lateral direction.

The lifting mechanism 53 and the printing frame 51 are in transverse sliding connection through a transverse adjusting mechanism 54, and the transverse adjusting mechanism 54 slides along the transverse direction, so that the lifting mechanism 53 drives the printing mechanism to slide along the transverse direction. The transverse direction (the direction of an arrow X in fig. 1) is perpendicular to the conveying direction of the printing medium and is in the horizontal direction, the transverse adjusting mechanism 54 drives the lifting mechanism 53 to drive the printing mechanism to slide along the transverse direction, and the relative positions of the printing mechanism and the printing frame 51 in the width direction can be adjusted according to the size of the printing medium in the width direction, so that the printing device 5 can print the printing medium at different width direction positions of the conveying device 3; specifically, the lateral adjustment mechanism 54 may be configured as a motor, a cylinder, and a manual drive.

Preferably, the lifting mechanism 53 includes a driving assembly and a mounting seat 533, the mounting seat 533 is connected with the driving assembly, the driving assembly is connected with the printing mechanism, and the driving assembly drives the printing mechanism to move along the longitudinal direction.

In this embodiment, the mounting seat 533 is connected to the printing frame 51, the positions of the mounting seat 533 and the printing frame 51 in the height direction are relatively fixed, the output end of the driving component is in transmission connection with the mounting seat 533, the driving component is connected to the printing mechanism, when the driving component is started, the driving force provided by the driving component acts on the mounting seat 533, and the mounting seat 533 provides a reaction force for the driving component, so that the driving component moves in the direction of the reaction force, and further drives the printing mechanism to move in the longitudinal direction, that is, the driving component and the printing mechanism move synchronously; because with print mechanism and drive assembly simultaneous movement, reduced drive assembly drive print mechanism's energy consumption, and can set up drive assembly and print mechanism as an organic whole, and then reduced printing device's volume, and then reduced whole printing apparatus's volume. In other embodiments, the driving component is mounted on the printing frame 51, and the relative position of the driving component and the printing frame 51 in the height position is not changed, the mounting seat 533 is slidably connected with the printing frame 51, the mounting seat 533 is used for mounting the printing mechanism, and the driving component drives the mounting seat 533 to slide along the longitudinal direction, so that the driving component drives the printing mechanism to move along the longitudinal direction.

Preferably, the lifting mechanism 53 further includes: the first guide assembly 534, the first guide assembly 534 is fixedly connected with the printing mechanism, the mounting base 533 is slidably connected with the first guide assembly 534, and the guide direction of the first guide assembly 534 is a longitudinal direction.

In this embodiment, a mounting assembly is arranged on a side surface of the printing mechanism, a side surface of the driving motor 531 is mounted on the mounting assembly, and the screw rod 532 penetrates through the mounting assembly and can rotate in the mounting assembly; the first guide assembly 534 is disposed on one side of the mounting assembly; set up first direction subassembly 534, make printing mechanism move along the direction of first direction subassembly 534, and then be convenient for printing mechanism to move, and then make printing mechanism more accurate move along longitudinal direction, and is concrete, and first direction subassembly 534 is provided with two sets ofly, sets up respectively in printing mechanism's both sides, makes printing mechanism more steady move along longitudinal direction.

Preferably, the driving assembly includes a driving motor 531 and a lead screw 532, the lead screw 532 is in transmission connection with an output end of the driving motor 531, the lead screw 532 penetrates through the mounting seat 533, and the driving motor 531 drives the lead screw 532 to drive the printing mechanism to move along the longitudinal direction.

In this embodiment, the printing mechanism side view angle is "7" font, driving motor 531 and lead screw setting are in the printing mechanism right angle department, driving motor 531 drives lead screw 532 to rotate, mount 533 is motionless, and then make lead screw 532 slide along mount 533, and then realized that lead screw 532 slides along longitudinal direction, and then drive the printing mechanism and remove along longitudinal direction, so, driving motor 531 and the direct fixed connection of printing mechanism, with driving motor 531 and printing mechanism synchronous motion, the drive power of driving motor 531 drive mount 533 has been saved, make driving motor 531 directly drive printing mechanism, the drive power of driving motor 531 has been saved, the effect that has the energy can be saved. In other embodiments, the driving assembly may also be configured as a driving cylinder, and the driving direction of the driving cylinder is a longitudinal direction, the output end of the driving cylinder is connected to the mounting seat 533, and the mounting seat 533 is fixed, so that the driving cylinder moves towards or away from the mounting seat 533.

Preferably, the driving assembly further includes a transmission assembly disposed between the output end of the driving motor 531 and the lead screw 532 for transmitting the driving force of the driving motor 531.

In this embodiment, the transmission assembly includes an active block 535, a transmission block 536 and a belt 537, the active block 535 is connected to the output end of the driving motor 531, the transmission block 536 is sleeved on one end of the lead screw 532 far away from the mounting seat 533, the belt 537 is sleeved on the outer sides of the active block 535 and the transmission block 536, the driving motor 531 drives the active block 535 to rotate and further drives the belt 537 to rotate, the belt 537 drives the transmission block 536 to rotate and further drives the lead screw 532 to rotate, the motor and the lead screw 532 can be arranged in parallel, so that the excessive height space of the printing mechanism occupied by the driving assembly can be reduced, the sizes of the active block 535 and the driven block can be set to be the same by using the belt 537, the rotation speed of the driving motor 531 is the rotation speed of the lead screw 532, and; in other embodiments, the transmission assembly may include a drive gear, a driven gear; the driving gear is arranged at the output end of the driving motor 531, the driven gear is arranged on the screw rod 532 in a penetrating mode, the axial leads of the driving gear and the driven gear are parallel to each other, the driving gear and the driven gear are meshed with each other, the driving motor 531 drives the driving wheel to rotate, the driven wheel is driven to rotate, and the screw rod 532 is driven to rotate.

Preferably, the printing mechanism further comprises a height measuring device and a controller, wherein the height measuring device is electrically connected with the controller, and the height measuring device is used for measuring the height difference between the printing mechanism and the printing medium.

In the present embodiment, the height measuring device includes a scale which is provided on one side of the printing rack 51 and whose scale direction is along the height direction of the printing rack 51; the position of the pointer indication scale displays the height difference between the current printing mechanism and the printing medium; the controller records and feeds back this value.

Preferably, the lateral adjustment mechanism 54 includes: the second guide assembly 542 is connected with the printing frame 51, the connecting plate 541 is slidably connected with the second guide assembly 542, the lifting mechanism 53 is connected with the connecting plate 541, and the connecting plate 541 slides along the transverse direction, so that the lifting mechanism 53 drives the printing mechanism to slide along the sliding direction.

In this embodiment, the specific connecting plate 541 is connected to the mounting seat 533 of the lifting mechanism 53, the guiding direction of the second guiding assembly 542 is a transverse direction, and two sets of second guiding assemblies 542 are specifically disposed, and the two sets of guiding assemblies are respectively disposed at the upper and lower end portions of the connecting plate 541 in a penetrating manner, so that the lifting mechanism 53 and the printing mechanism are stressed more uniformly, and the connecting plate 541 slides more stably; the second guiding assembly 542 is configured as a round bar, and two ends of the second guiding assembly 542 are respectively connected with two sides of the printing frame 51 along the printing medium transmission direction; the side view angle of the printing mechanism is 7-shaped, the lifting drive is arranged at the right angle of the printing mechanism, and the driving motor 531 is over against the transverse adjusting mechanism 54, so that the structure of the whole printing device 5 is more compact.

Preferably, the transverse adjusting mechanism 54 further includes an adjusting piece 543, the adjusting piece 543 is connected to the connecting plate 541, and the adjusting piece 543 is used for driving the connecting plate 541 to slide in the transverse direction.

In this embodiment, the adjuster 543 provides a driving force to the connection plate 541 to slide the connection plate 541 in the transverse direction, and the adjuster 543 may be provided as a linear motor, a driving cylinder, a manual adjusting mechanism, and the like.

Preferably, the adjusting piece 543 is provided as a lead screw.

In this embodiment, the printing mechanism can be slid by rotating the adjusting piece 543, and the printing mechanism is simple in structure, convenient to operate and low in production cost.

Preferably, an end of the adjusting piece 543 remote from the connecting plate 541 is provided with a force applying piece 545.

In this embodiment, one end of the adjusting piece 543 where the force applying piece 545 is disposed penetrates through the print frame 51, the force applying piece 545 is located outside the print frame 51, and the force applying piece 545 is specifically configured in a disc shape, so that for applying force, a convex pillar is disposed at one end of the force applying piece 545 away from the adjusting piece 543, which is convenient for people to apply force; the printing frame 51 is provided with a notch 511 corresponding to the adjusting piece 543, a fastening component 546 is disposed at a position of the adjusting piece 543 corresponding to the notch 511, the fastening component 546 is used for fastening the adjusting piece 543, when the printing mechanism is located at a required lateral position, the adjusting piece 543 is fastened by the fastening component 546, so that the adjusting piece 543 is prevented from being rotated by other external forces, and the lateral position of the printing mechanism is further changed.

Preferably, in conjunction with fig. 1 and 8, the first curing device includes: a first curing rack; the first curing mechanism is used for curing the first layer; and the third adjusting mechanism is used for adjusting the height of the first curing mechanism in the longitudinal direction and/or the position of the first curing mechanism in the transverse direction perpendicular to the longitudinal direction. The second curing device includes: a second curing rack; the second curing mechanism is used for curing the second liquid on the surface of the first layer; and the fourth adjusting mechanism is used for adjusting the height of the second curing mechanism in the longitudinal direction and/or the position of the second curing mechanism in the transverse direction perpendicular to the longitudinal direction.

In the present embodiment, since the first curing device and the second curing device have the same structure, for convenience of description, the first curing device and the second curing device are collectively referred to as the curing device 6, the first curing rack and the second curing rack are collectively referred to as the curing rack 61, the first curing mechanism and the second curing mechanism are collectively referred to as the curing mechanism 62, and the third adjusting mechanism and the fourth adjusting mechanism are collectively referred to as the third adjusting assembly.

The curing mechanism 62 and the curing frame 61 form vertical sliding connection through a third adjusting assembly; the curing mechanism 62 adopts a UV curing lamp, the curing frame 61 is in an inverted U shape and is arranged on the rack 1 of the Onapass printing equipment for stepwise curing in a spanning mode, a side plate is arranged on one side of the curing frame 61, the curing mechanism 62 is arranged in the curing frame 61, the influence of the curing mechanism 62 on other equipment is avoided, the curing device 6 is positioned above a conveying assembly of the Onapass printing equipment for stepwise curing, the longitudinal direction is vertical to the horizontal direction, and the direction is the direction of an arrow Z in the drawing; because this solidification equipment 6 has set up the third adjusting part, the third adjusting part is used for driving solidification mechanism 62 and moves along longitudinal direction towards, and then make the distance between solidification mechanism 62 and the printing medium adjustable, consequently can adjust the distance between third adjusting part to conveyor 3 according to the size of printing medium, make this solidification equipment 6 adaptation printing medium of different height dimensions, the solidification equipment 6 in having solved the Oneepass printing apparatus of present substep solidification can't satisfy the technical problem to the printing medium processing of different height dimensions, have the effect that can process the printing medium of different height dimensions.

Preferably, the third adjustment assembly comprises: mounting the component; the fixing device is used for installing the curing mechanism 62, two ends of the installation assembly are respectively connected with the curing frame 61 in a sliding mode, and the installation assembly slides along the longitudinal direction to drive the curing mechanism 62 to move along the longitudinal direction.

In the present embodiment, the mounting assembly is provided in a plate-like structure, and two ends of the mounting assembly are respectively connected with two inner sides of the curing frame 61 along the conveying direction of the printing medium, and the mounting assembly can be slid manually or a driving device can be provided to provide a driving force for the mounting assembly; the two ends of the mounting assembly and the curing frame 61 can be detachably connected with the curing frame 61, a plurality of mounting hole sites are uniformly distributed in the longitudinal direction of the two sides of the curing frame 61, and the mounting assembly is dismounted and mounted on other mounting hole sites so as to adjust the relative position of the mounting assembly and the curing frame 61 in the vertical direction.

Preferably, the third adjustment assembly further comprises: and the guide rod 632 is used for slidably connecting the mounting assembly with the curing frame 61 through the guide rod 632, and the mounting assembly slides along the guide direction of the guide rod 632.

In this embodiment, the guide rod 632 is a cylinder, the guide direction of the guide rod 632 is a longitudinal direction, and two guide rods 632 are provided and fixed on two sides of the curing frame 61 respectively corresponding to two ends of the installation component, so that the installation component can slide stably along the guide direction of the guide rod 632.

Preferably, the mounting assembly includes a mounting plate 631 and a fixing assembly, and the mounting plate 631 is connected to the guide bar 632 through the fixing assembly.

In this embodiment, the fixing member is provided between the mounting plate 631 and the guide bar 632, the mounting plate 631 is slid to a desired position, and the mounting plate 631 is fixed to the guide bar 632 by the fixing member, which simplifies the operation.

Preferably, the fixing assembly includes a slider 633 and a locking mechanism 634; the slider 633 is fixedly connected to the mounting plate 631, the slider 633 slides along the guiding direction of the guide bar 632, and the slider 633 is fixedly connected to the guide bar 632 through the locking mechanism 634.

In the present embodiment, the locking mechanism 634 is disposed to abut against the screw 224, and the locking mechanism 634 passes through the slider 633 and abuts against the guide bar 632, so that the mounting plate 631 is fixed on the guide bar 632; in other embodiments, a securing assembly may be disposed between the mounting plate 631 and the curing rack 61.

Preferably, the curing device 6 further comprises a fourth adjustment assembly for adjusting the position of the curing mechanism 62 in the lateral direction.

In the present embodiment, a fourth adjustment assembly is provided to allow the curing mechanism 62 to cure different width positions of the print medium; the transverse direction (the direction of an arrow X in fig. 1) is perpendicular to the conveying direction of the printing medium and is in the horizontal direction, the fourth adjusting assembly drives the third adjusting assembly to drive the curing mechanism 62 to slide along the transverse direction, the relative positions of the curing and curing frame 61 in the width direction can be adjusted according to the size of the printing medium in the width direction, and the curing device 6 is further used for curing the printing medium at different width direction positions of the conveying medium; specifically, the fourth adjusting component can be set to be a motor, an air cylinder and a manual driving mode.

Preferably, the fourth adjusting assembly is disposed between the curing mechanism 62 and the third adjusting assembly, and the third adjusting assembly drives the fourth adjusting assembly to drive the curing mechanism 62 to move in the longitudinal direction.

In this embodiment, the fourth adjusting assembly is connected to the output end of the third adjusting assembly in a transmission manner, and the third adjusting assembly slides along the longitudinal direction, so as to drive the fourth adjusting assembly and the curing mechanism 62 to slide along the longitudinal direction; in other embodiments, a fourth adjusting assembly may be disposed on the processing frame 41, the third adjusting assembly is in transmission connection with an output end of the fourth adjusting assembly, and the fourth adjusting assembly slides along the transverse direction to drive the third adjusting assembly and the curing mechanism 62 to slide along the transverse direction.

Preferably, the fourth adjusting assembly includes a sliding member 641 and a locking mechanism 642, the sliding member 641 is in transmission connection with the output end of the third adjusting assembly, and the sliding member 641 is fixedly connected with the third adjusting assembly through the locking mechanism 642.

In this embodiment, the sliding member 641 is C-shaped, the sliding member 641 is fastened to the mounting plate 631 of the third adjusting assembly, the locking mechanism 642 is disposed to abut against the screw 224, the locking mechanism 642 is disposed on the upper end surface of the sliding member 641, and the locking mechanism 642 passes through the sliding member 641 and abuts against the mounting plate 631, so that the fourth adjusting assembly is fixed to the third adjusting assembly, and when the curing mechanism 62 slides to a desired position, the locking mechanism 642 is rotated, so that the locking mechanism 642 abuts against the mounting plate 631.

Preferably, the fourth adjustment assembly further comprises a lateral scale indication mechanism 643, wherein the lateral scale indication mechanism 643 is configured to indicate a distance that the fourth adjustment assembly slides in the lateral direction.

In this embodiment, the transverse scale indication mechanism 643 includes a scale, the scale is disposed between the mounting plate 631 and the sliding member 641, records the scale of the relative position between the sliding member 641 and the scale before the sliding of the fourth adjustment assembly, starts to slide the fourth adjustment assembly, records the scale indicated by the side edge of the sliding member 641 stopping to slide the fourth adjustment assembly; the specific sliding distance of the fourth adjusting component can be obtained.

Preferably, in conjunction with fig. 1 and 9, the surface treatment device 4 includes a treatment rack 41; a surface treatment mechanism 42 for treating the surface of the printing medium to form an adhesion layer on the surface of the printing medium; a first adjusting mechanism for adjusting the height of the surface treatment mechanism 42 in the longitudinal direction, the surface treatment mechanism 42 being connected to the treatment frame 41 through the first adjusting mechanism. The surface treatment mechanism 42 treats the printing medium in a plasma spraying manner, so that an adhesion layer is formed on the surface of the printing medium, and ink is convenient to adhere to the surface of the printing medium; in other embodiments, the surface treatment mechanism 42 may treat the print medium by spraying a matte layer, UV paint, or the like, so as to form an adhesion layer on the surface of the print medium, thereby facilitating the adhesion of the ink to the print medium. The surface treatment mechanism 42 and the treatment frame 41 are connected with the treatment frame 41 in an inverted U shape in a vertical sliding manner through the first adjusting mechanism, and the treatment frame 41 is arranged on the rack 1 of the Onapass printing equipment cured step by step in a spanning manner, the printing medium surface treatment device 4 is positioned above a conveying assembly of the Onapass printing equipment cured step by step, and the longitudinal direction is vertical to the horizontal direction, namely the direction of an arrow Z in the figure 1; because this printing medium surface treatment device 4 has set up first adjustment mechanism, first adjustment mechanism is used for driving surface treatment mechanism 42 and moves along longitudinal direction, and then makes the distance between surface treatment mechanism 42 and the printing medium adjustable, consequently can adjust the distance between first adjustment mechanism and conveyor 3 according to the size of printing medium, make this printing medium surface treatment device 4 adaptation printing medium of different height dimensions, the printing medium surface treatment device 4 among the Oneepass printing apparatus of having solved present step solidification can't satisfy the technical problem of printing medium processing to different heights, have the effect that can process the printing medium of different height dimensions.

Preferably, the first adjustment mechanism includes: a mount 431; the surface treatment mechanism 42 is mounted, two ends of the mounting part 431 are respectively connected with the treatment frame 41 in a sliding mode, and the mounting part 431 slides along the longitudinal direction to drive the surface treatment mechanism 42 to move along the longitudinal direction.

In the present embodiment, the mount 431 is provided as a plate-shaped structure, and both ends of the mount 431 are respectively connected to both inner sides of the processing rack 41 in the printing medium conveying direction, and the mount 431 can be slid manually or a driving device can be provided to provide a driving force to the mount 431; the mounting member 431 and both ends of the processing frame 41 may be detachably connected to the processing frame 41, a plurality of mounting holes are uniformly distributed in the longitudinal direction of both sides of the printing frame 51, and the mounting member 431 is detachably mounted in other mounting holes to adjust the relative position of the mounting member 431 and the processing frame 41 in the vertical direction.

Preferably, the first adjustment mechanism further comprises: the guide member 432, the mounting member 431 and the processing frame 41 are slidably connected through the guide member 432, and the mounting member 431 slides along the guiding direction of the guide member 432.

In this embodiment, the guide member 432 has a cylindrical shape, the guide direction of the guide member 432 is a longitudinal direction, and two guide members 432 are provided, and are fixed to both sides of the processing frame 41 corresponding to both ends of the mounting member 431, respectively, so that the mounting member 431 can smoothly slide along the guide member 432.

Preferably, the first adjustment mechanism further comprises: and the driving part 433, the mounting part 431 and the driving part 433 are in transmission connection, and the driving part 433 is used for driving the mounting part 431 to slide along the longitudinal direction.

In this embodiment, one end of the driving member 433 away from the mounting member 431 penetrates through the upper end surface of the treatment frame 41, so as to facilitate manual operation of the driving member 433, the driving member 433 is rotatably connected to the mounting member 431, the driving member 433 is rotated to move the mounting member 431 along the longitudinal direction, meanwhile, the driving member 433 is configured as a lead screw to be engaged with the mounting member 431, and the driving member 433 is rotated to fix the relative position between the mounting member 431 and the treatment frame 41 along the longitudinal direction, so that the mounting member 431 can be fixed on the driving member 433 without installing other fixing components; in other embodiments, the driving member 433 may be a round bar, one end of the round bar is fixed to the mounting member 431, and the end penetrating out of the upper end surface of the processing frame 41 is provided with a clamping member, the clamping member penetrates through the round bar, and after the relative positions of the surface processing mechanism 42 and the processing frame 41 are fixed, the relative positions of the clamping member and the round bar are adjusted, and the clamping member is clamped to the upper end surface of the processing frame 41, so that the mounting member 431 is fixed.

Preferably, an urging portion 434 is provided at an end of the driving member 433 remote from the mounting member 431.

In this embodiment, one end of the driving member 433 provided with the force application portion 434 penetrates out of the treatment frame 41, the force application portion 434 is located outside the treatment frame 41, and the force application portion 434 is specifically configured in a disc shape.

Preferably, the first adjustment mechanism further comprises a first scale indication mechanism 435, and the first scale indication mechanism 435 is used for indicating the relative height of the first adjustment mechanism and the processing rack 41.

In this embodiment, the first scale indicating mechanism 435 includes a pointer and a scale, the scale is disposed on the processing rack 41 and extends along the longitudinal direction, and the scale direction of the scale is increased in a direction away from the conveying assembly along the longitudinal direction; a pointer is provided at an end of the mount 431 near the scale, the pointer slides as the mount 431 slides in the longitudinal direction, and when the mount 431 stops sliding, the position pointed by the pointer is a specific height of the mount 431. In other embodiments, the scale may be provided on the mount 431 and the pointer may be provided on the processing rack 41.

Preferably, the printing medium surface treatment device 4 further includes a second adjustment mechanism for adjusting the position of the surface treatment mechanism 42 in the lateral direction.

In this embodiment, the second adjusting mechanism is disposed between the first adjusting mechanism and the surface processing mechanism 42, the surface processing mechanism 42 and the processing frame 41 form a transverse sliding connection through the second adjusting mechanism, a transverse direction (a direction of an arrow X in fig. 1) is perpendicular to a conveying direction of the printing medium and is located in a horizontal direction, the second adjusting mechanism drives the first adjusting mechanism to drive the printing medium surface processing device 4 to slide along the transverse direction, and a relative position of the surface processing mechanism 42 and the processing frame 41 in the width direction can be adjusted according to a size of the printing medium in the width direction, so that the printing medium surface processing device 4 performs surface processing on different width direction positions of the printing medium; specifically, the second adjusting mechanism can be set to be in a motor, cylinder and manual driving mode; the second adjusting mechanism is in transmission connection with the output end of the first adjusting mechanism, and the first adjusting mechanism slides along the longitudinal direction, so that the second adjusting mechanism and the surface treatment mechanism 42 are driven to slide along the longitudinal direction; in other embodiments, a second adjusting mechanism may be disposed on the processing frame 41, and the first adjusting mechanism is in transmission connection with an output end of the second adjusting mechanism, and the second adjusting mechanism slides along the transverse direction to drive the first adjusting mechanism and the surface processing mechanism 42 to slide along the transverse direction.

Preferably, two second adjusting mechanisms and two surface treatment mechanisms 42 are provided, the surface treatment mechanisms 42 correspond to the second adjusting mechanisms one by one, and the two second adjusting mechanisms are arranged side by side along the printing medium transmission direction.

In the present embodiment, the two surface treatment mechanisms 42 are arranged side by side in sequence, so that the same portion of the printing medium passes below the two surface treatment mechanisms 42 in sequence, and the distance between the two surface treatment mechanisms 42 is set to be 10 cm; the two surface treatment mechanisms 42 adopt plasma treatment, and the treatment power of the two surface treatment mechanisms 42 is set to be 300-500W, preferably 400W, so that the surface treatment mechanisms 42 are prevented from damaging the surface of the printing medium due to excessive power; the two surface treatment mechanisms 42 are arranged, under the condition that the transmission speed of the transmission device 3 is set to be 20 m/min-30 m/min, if a high-power surface treatment mode of the single surface treatment mechanism 42 is adopted, local over treatment on the surface of the printing medium can be caused by the single surface treatment mechanism 42, the surface of the printing medium can be better treated by the two surface treatment mechanisms 42, a strong and powerful adhesion layer is formed, meanwhile, the treatment power of the two surface treatment mechanisms 42 is set to be softer, and the surface treatment can be well carried out on the printing medium under the condition that the surfaces of the printing medium are not damaged by the two surface treatment mechanisms 42; specifically, referring to fig. 9, the mounting member 431 is a hollow frame, a connecting seat is disposed in the middle of the mounting member 431, the driving member 433 penetrates through the connecting seat, and the outer side of the connecting seat is connected to the inner side wall of the mounting member 431; the second adjustment mechanism includes: the clamping structures 441 of the two second adjusting mechanisms are respectively clamped on two sides opposite to the mounting piece 431, and one side, away from the mounting piece 431, of each clamping structure 441 is used for mounting the surface treatment mechanism 42; the abutting mechanism 442 penetrates through the clamping piece and abuts the clamping structure 441 on the mounting piece 431, the plasma mechanism can be fixed according to the required relative position of the surface treatment mechanism 42, so that the surface treatment mechanism 42 is prevented from being subjected to position deviation caused by other external force, the printing medium can be accurately treated by surface treatment, the two surface treatment mechanisms 42 are arranged, the surface width which can be simultaneously treated by the surface treatment mechanisms 42 is widened, the printing medium surface treatment device 4 is suitable for printing media with different width directions, and the processing speed is increased; further, the surface treatment mechanisms 42 may be arranged side by side, and the same portion of the print medium may be treated by the two surface treatment mechanisms 42, thereby improving the surface treatment effect on the print medium.

Preferably, the second adjustment mechanism further includes a second scale indication mechanism 443, the second scale indication mechanism 443 being used to indicate a distance that the second adjustment mechanism slides in the lateral direction.

In this embodiment, the second scale indicating mechanism 443 includes a scale, the scale is disposed between the mounting member 431 and the clamping structure 441, records the scale of the relative position between the clamping structure 441 and the scale before the second adjusting mechanism slides, starts to slide the second adjusting mechanism, records the scale scales indicated by the side edges of the clamping structure 441, and stops sliding the second adjusting mechanism; the specific sliding distance of the second adjusting mechanism can be obtained.

In another embodiment, different from the above embodiment, the printing medium is a container capable of accommodating articles, and the printing apparatus is applied to printing the meal box, that is, the printing medium is the meal box. The conveying speed of the printing medium is set to be 20-30 m/min, and the distance between two adjacent devices of the surface treatment device, the first printing device, the first curing device, the second printing device and the second curing device is set to be 12-15 cm.

The first printing device comprises a first spray head; the first curing device is provided with a first light source; the second printing device comprises a second spray head; the second curing device is provided with a second light source; a first space is formed between the first light source and the first spray head, and a second space is formed between the first light source and the second spray head.

In this embodiment, the second light source and the second head form a third gap therebetween, and the first gap, the second gap, and the third gap are arranged such that the light energy received by the light source at the nozzle of the first head and the nozzle of the second head does not cause a change in the drying rate of the ink droplets at the nozzles as compared to the ambient temperature; the first distance, the second distance and the third distance can be set to be consistent or inconsistent, and the first distance, the second distance and the third distance need to be set to be more than 15 centimeters, preferably 15 centimeters; the transmission speed of the printing media is set to be 25 m/min, the distance between the two printing media is set to be 2.0 cm-20 cm, the production cycle time of the whole equipment is 1 second and 1PCS, namely, one product can be produced in each second, the capacity of the whole equipment is improved, and meanwhile, each device has a response time; the conveying speed of the printing medium, that is, the conveying speed of the conveying device 3, ensures that the printing medium can complete the productivity of one product every second, and simultaneously, the printing medium sequentially passes through the surface treatment device, the first printing device, the first curing device, the second printing device and the second curing device, so that the corresponding devices can treat the printing medium, for example, when the printing medium passes below the surface treatment mechanism 42, the surface treatment mechanism 42 can have enough time to complete the treatment of the surface; when the first curing device and the second curing device are arranged below, the first curing device can have enough time to cure the first liquid to form a first layer, so that the problems that the first liquid is not sufficiently cured and is fused with the second liquid to cause unclear marks and the like are avoided; the distance between two adjacent devices is set to be 12 cm; one hand can pass through between two adjacent devices, so that workers can conveniently overhaul each device; meanwhile, the influence on the treatment of the next device due to the overlarge distance between the two devices is also avoided, for example, after the surface treatment is finished, the first liquid is sprayed as soon as possible, so that the influence on the printing effect of the subsequent process and the like due to the reduced adhesive force of the adhesive layer caused by the overlong time is avoided; the distance between the first spray head of the first printing device and the curing lamp of the first curing device is set to be more than 150 mm, and the distance between the spray head of the second printing device and the curing lamp of the second curing device is set to be more than 150 mm, so that the condition that the spray head is irradiated by light emitted by the curing lamp to cause ink curing of the spray head and further cause blockage of the spray head is avoided; therefore, the edge of the nozzle of the first printing device is far away from the edge of the first printing device close to the first curing device by more than 3 cm, and the edge of the nozzle of the second printing device is also far away from the edge of the first printing device close to the first curing device, so that the description is omitted. In order to ensure that the first curing device and the second curing device can be fully cured, the curing power of the first curing device and the second curing device is set to be 80W-120W, and meanwhile, along with the movement of the transmission device 3, namely the starting working time of the whole equipment, the curing lamps of the first curing device and the second curing device are started to be in a normally-on mode, so that the problem that the curing lamps of the first curing device and the second curing device are easily broken down when being turned on and off is avoided; and because the UV curing lamp has certain service life in time, in order to fully utilize the energy consumption of the UV curing lamp, the transmission speed is set to be 25 m/min, so that the rapid capacity of the whole equipment is ensured, the energy consumption of the UV curing lamp is fully utilized, and meanwhile, two surface treatment mechanisms 42 are arranged and the cooperation among all devices is arranged, so that the printing quality of a printing medium is ensured while the high capacity of the whole equipment is ensured.

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.

Claims

1. An Oneeglass printing apparatus that solidifies step by step, the apparatus comprising:

the surface treatment device is used for treating the surface of a printing medium so as to form an adhesion layer on the surface of the printing medium;

a first printing device for ejecting a first liquid on the surface of the adhesion layer of the printing medium;

the first curing device is used for curing the first liquid on the surface of the adhesion layer to form a first layer;

a second printing device for ejecting a second liquid on the surface of the first layer;

a second curing device for curing the second liquid on the surface of the first layer;

the surface treatment device, the first printing device, the first curing device, the second printing device and the second curing device are arranged in sequence along the conveying direction of the printing medium.

2. The step-cure Onepass printing apparatus of claim 1, further comprising: and the limiting assembly is used for limiting the printing medium and is arranged along one side of the transmission direction of the printing medium.

3. The stepwise curing Oneeglass printing apparatus of claim 1, wherein said surface treatment device comprises a treatment rack; the surface treatment mechanism is used for treating the surface of the printing medium so as to form an adhesion layer on the surface of the printing medium; a first adjusting mechanism for adjusting the height of the surface treatment mechanism in the longitudinal direction; the surface treatment mechanism is connected with the treatment frame through a first adjusting mechanism.

4. The stepwise curing Onepass printing apparatus of claim 3, wherein said surface treatment device further comprises a second adjustment mechanism for adjusting the position of the surface treatment mechanism in a lateral direction perpendicular to said longitudinal direction.

5. Oneeglass printing apparatus with step curing according to any of claims 1 to 4, characterised in that the first and/or second printing means comprise: the printing device comprises a printing frame, a printing mechanism and an adjusting component, wherein the adjusting component is used for adjusting the relative position of the printing mechanism relative to the printing frame in the longitudinal direction and the relative position of the printing mechanism relative to the printing frame in the transverse direction perpendicular to the longitudinal direction.

6. The stepwise curing Onnepass printing apparatus of claim 5, wherein the first printing device and/or the second printing device further comprises: the height measuring device is electrically connected with the controller and used for measuring the height difference between the printing mechanism and the printing medium.

7. The stepwise curing Oneeglass printing apparatus of claim 5, wherein the first curing device comprises:

a first curing rack;

a first curing mechanism for curing the first layer;

and the third adjusting mechanism is used for adjusting the height of the first curing mechanism in the longitudinal direction and/or the position of the first curing mechanism in the transverse direction perpendicular to the longitudinal direction.

8. The stepwise curing Oneeglass printing apparatus of claim 7, wherein the second curing means comprises:

a second curing rack;

a second curing mechanism for curing the second liquid on the first layer surface;

and the fourth adjusting mechanism is used for adjusting the height of the second curing mechanism in the longitudinal direction and/or the position of the second curing mechanism in the transverse direction perpendicular to the longitudinal direction.

9. The step-and-cure Onepass printing apparatus of claim 1, wherein the first printing device comprises a first spray head; the first curing device is provided with a first light source; the second printing device comprises a second spray head; the second curing device is provided with a second light source; a first space is formed between the first light source and the first spray head, and a second space is formed between the first light source and the second spray head.

10. The stepwise curing Oneeglass printing apparatus of claim 1, wherein the print media is a container that can hold an item.