CN214295066U

CN214295066U - Single-Pass ink jet printing equipment

Info

Publication number: CN214295066U
Application number: CN202022989330.1U
Authority: CN
Inventors: 瞿卫超; 覃勇
Original assignee: Dongguan Tuchuang Intelligent Manufacturing Co Ltd
Current assignee: Dongguan Tuchuang Intelligent Manufacturing Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-09-28
Anticipated expiration: 2030-12-14

Abstract

The utility model belongs to the technical field of ink-jet printing, and provides a Single-Pass ink-jet printing device, which comprises a medium conveying device, a sensor, a first ink-jet mechanism and a controller, wherein the medium conveying device is used for conveying a printing medium, and the medium conveying device adsorbs the printing medium on the working surface of the medium conveying device; the sensor is used for detecting whether the printing medium reaches a preset position or not in the printing medium conveying process and generating a position signal; the controller is respectively electrically connected with the sensor and the first ink-jet mechanism, and the sensor controls the first ink-jet mechanism to work according to the received position signal. The utility model discloses well medium conveyor carries print media in proper order through sensor, first ink jet mechanism, and medium conveyor adsorbs print media on medium conveyor's working face, has consequently reduced print media's offset among the transportation process to reduce the offset of printing the pattern on the medium after printing, finally improve the printing quality.

Description

Single-Pass ink jet printing equipment

Technical Field

The utility model relates to an inkjet printing technical field especially relates to a Single-Pass inkjet printing equipment.

Background

The existing printing equipment is easy to displace in the process of conveying the printing medium, so that the pattern on the printing medium is deviated from the preset position after the printing medium is printed by the spray head, and the printing quality is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a medium conveying device for solve current printing apparatus and produce the displacement easily at the in-process product of carrying print medium, lead to the print medium to print the problem of the pattern skew preset position on the print medium after the shower nozzle.

The utility model provides a Single-Pass inkjet printing equipment, Single-Pass inkjet printing equipment includes:

the medium conveying device is used for conveying a printing medium and adsorbing the printing medium on a working surface of the medium conveying device;

the sensor is used for detecting whether the printing medium reaches a preset position or not in the conveying process of the printing medium and generating a position signal;

a first ink jetting mechanism for jetting a first ink to the printing medium;

the controller is respectively electrically connected with the sensor and the first ink jet mechanism, and the sensor controls the first ink jet mechanism to work according to the received position signal;

wherein the sensor and the first ink jet mechanism are arranged in sequence along the conveying direction of the printing medium.

As a preferable aspect of the above Single-Pass inkjet printing apparatus, the Single-Pass inkjet printing apparatus further includes:

a second ink jetting mechanism for jetting a second ink different from the first ink to the printing medium;

the controller is electrically connected with the second ink jet mechanism, and the sensor controls the second ink jet mechanism to work according to the received position signal;

the sensor, the first ink jet mechanism and the second ink jet mechanism are sequentially arranged along the conveying direction of the printing medium.

a first curing mechanism for curing the first ink jetted on the printing medium;

a second curing mechanism for curing the second ink jetted on the printing medium;

the sensor, the first ink-jet mechanism, the first curing mechanism, the second ink-jet mechanism and the second curing mechanism are sequentially arranged along the conveying direction of the printing medium.

As a preferable embodiment of the Single-Pass inkjet printing apparatus, the controller is electrically connected to the first curing mechanism and the second curing mechanism, respectively, and the sensor controls the first curing mechanism and the second curing mechanism to operate according to the received position signal.

and the lifting driving mechanism is used for driving the first ink jet mechanism and the second ink jet mechanism to lift, and the controller is electrically connected with the lifting driving mechanism.

the surface treatment device is used for treating the surface of the printing medium, and the controller is electrically connected with the surface treatment device; the surface treatment device, the sensor, the first ink jet mechanism and the second ink jet mechanism are arranged in sequence along the conveying direction of a printing medium.

As a preferable embodiment of the Single-Pass inkjet printing apparatus, the Single-Pass inkjet printing apparatus includes a first controller and a second controller, the first controller is electrically connected to the sensor, the first inkjet mechanism, and the second inkjet mechanism, respectively, and the second controller is electrically connected to the sensor, the first curing mechanism, the second curing mechanism, the lifting drive mechanism, and the surface treatment device, respectively.

and the human-computer interaction device is used for displaying a human-computer interface and inputting a control command, the human-computer interaction device is electrically connected with the second controller, the second controller receives the control command transmitted by the human-computer interaction device, and the second controller controls the lifting driving mechanism and the surface processing device to work based on the control command.

As a preferable scheme of the Single-Pass inkjet printing apparatus, the medium conveying device includes a belt and an air suction mechanism, the belt is provided with an adsorption through hole for adsorbing the printing medium, and the air suction mechanism is configured to provide a negative pressure to the adsorption through hole.

As a preferable embodiment of the Single-Pass inkjet printing apparatus, a suction area and a non-suction area are provided on a working surface of the belt, the suction area includes at least one row of suction through holes, and the suction through holes in the row of suction through holes are arranged along a conveying direction of the printing medium.

To sum up, the utility model has the advantages that:

the utility model discloses a medium conveyor carries print media through sensor, first ink jet mechanism in proper order in Single-Pass inkjet printing equipment, detects print media when the sensor and produces position signal after reaching the preset position in print media transportation process, and the controller is according to the first ink of ink jet mechanism of received position signal control to print media inkjet first kind of ink. And the medium conveying device adsorbs the printing medium on the working surface of the medium conveying device, so that the offset of the printing medium in the conveying process is reduced, the offset of the pattern on the printing medium after printing is reduced, and finally the printing quality is improved.

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 view of a medium transport device in a Single-Pass inkjet printing apparatus according to embodiment 2 of the present invention;

fig. 2 is a schematic structural view of a medium conveying device in a Single-Pass inkjet printing apparatus according to embodiment 3 of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural view of a medium conveying device in the Single-Pass inkjet printing apparatus according to embodiment 4 of the present invention;

fig. 5 is a schematic structural view of a medium conveying device in the Single-Pass inkjet printing apparatus according to embodiment 5 of the present invention;

fig. 6 is a schematic structural view of a medium transport device in the Single-Pass inkjet printing apparatus according to embodiment 6 of the present invention;

fig. 7 is a schematic structural view of a medium transport device in a Single-Pass inkjet printing apparatus according to embodiment 7 of the present invention;

fig. 8 is a schematic perspective view of a medium transport device in a Single-Pass inkjet printing apparatus according to embodiment 7 of the present invention;

fig. 9 is a schematic structural view of a Single-Pass inkjet printing apparatus according to embodiment 9 of the present invention;

fig. 10 is a schematic perspective view of a Single-Pass inkjet printing apparatus according to embodiment 9 of the present invention;

fig. 11 is a schematic circuit diagram of a Single-Pass inkjet printing apparatus according to embodiment 9 of the present invention.

Parts and numbering in the drawings:

100. a belt; 110. an air suction area; 111. a first air suction area; 112. a second air suction area; 113. a third air suction area; 120. a non-suction area; 121. a first non-suction area; 122. a second non-suction area; 123. a third non-suction area; 124. a fourth non-suction area; 125. a fifth non-suction area; 200. a sensor; 310. a first limit piece; 320. a second limiting member; 330. a first material guide member; 340. a second material guiding member; 410. a first support member; 420. a first moving member; 430. a first locking member; 440. a second support member; 450. a second moving member; 460. a second locking member; 500. a print medium; 610. a first printing mechanism; 620. a second printing mechanism; 630. a lifting drive mechanism; 640. a lifting plate; 710. a first curing mechanism; 720. a second curing mechanism; 800. a surface treatment device; 900. a palletizing device;

the arrow X direction is the transport direction of the print medium; the arrow Y direction is a first direction which is vertical to the conveying direction of the printing medium;

s1 is a first preset distance; s2 is the width of the suction area in the first direction; s3 is a width of the printing medium in the first direction; s4 is a width of the non-suction area in the first direction.

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.

Example 1

The embodiment 1 of the utility model discloses Single-Pass inkjet printing equipment, Single-Pass inkjet printing equipment include medium conveyor, surface treatment device 800, printing device and stop gear. The medium conveying device is used for conveying the printing medium 500; the surface treatment device 800 is provided above the medium conveyance device, and performs surface treatment on the printing medium 500. The printing device is provided above the medium conveying device and performs inkjet printing on the printing medium 500, and the surface treatment device 800 and the printing device are provided in this order along the conveying direction of the printing medium 500. The limiting mechanism is used for limiting the printing medium 500 to pass through the surface processing device 800 and the printing device in sequence under the conveying of the medium conveying mechanism. The feed inlet of the limiting mechanism is arranged at the feed end of the medium conveying mechanism, and the discharge outlet of the limiting mechanism penetrates through the surface treatment device 800 along the conveying direction of the printing medium 500 and extends towards the printing device.

In this embodiment, the limiting mechanism limits the printing medium 500 to pass through the surface treatment device 800 and the printing device in sequence under the transportation of the medium transportation mechanism, the feeding port of the limiting mechanism is arranged at the feeding end of the medium transportation mechanism, and the discharging port of the limiting mechanism passes through the surface treatment device 800 along the transportation direction of the printing medium 500 and extends towards the printing device. When artifical blowing print media 500 to stop gear's feed inlet, stop gear can restrict print media 500 in conveyor's position to the error that exists when having reduced artifical blowing, consequently print media 500 carries the processing back through surface treatment device 800, printing device along with conveyor, and the offset of the last image of print media 500 is lower, thereby has improved the printing effect of product.

In current industrial inkjet printing systems, inkjet heads eject ink droplets onto a printing medium to form inkjet images and texts. The current ink-jet printer for continuous one-time paper feeding and ink-jet printing becomes a development direction of high-speed printing, a spray head is arranged on a printing module, the printing module is static in the ink-jet process of the spray head, a printing medium below the spray head passes through the spray head in a one-way high-speed mode, namely the length direction (X direction) of a spray nozzle of the spray head is vertical to the moving direction (Y direction) of the printing medium, the spray head is generally fixed, the printing medium passes through the lower part of the spray head once to obtain a pattern to be printed, the printing medium moves continuously, and the printing mode without pause is Single-Pass printing; a printing apparatus that performs inkjet printing using Single-Pass printing is a Single-Pass inkjet printing apparatus. The Single-Pass printing has high requirements on the printing precision and the printing width of the nozzle, the printing precision of the nozzle needs to be the printing precision of images, and the printing width of the nozzle needs to be the width of all the images. Of course, in the prior art, high precision is obtained by splicing and inserting the nozzles, and wider printing width is obtained by connecting the nozzles in series, so that the requirement of high-speed printing can be met. Single-Pass printing has the advantages of high efficiency and large output, and is suitable for a large-batch and continuous production mode.

Example 2

As shown in fig. 1, the Single-Pass inkjet printing apparatus according to embodiment 2 of the present invention is modified based on embodiment 1. Specifically, the medium conveying device in this embodiment includes a belt 100 and an air suction mechanism, the belt 100 is used for conveying the printing medium 500, an air suction area 110 and a non-air suction area 120 are provided on a working surface of the belt 100, the air suction area 110 includes at least one row of suction through holes, and the suction through holes in the row of suction through holes are arranged along a conveying direction of the printing medium 500. The suction mechanism is used to provide negative pressure to each suction through hole in the suction area 110, and the structure and operation principle of the suction mechanism are well known to those skilled in the art and will not be described in detail herein.

The suction area 110 of the belt 100 of this embodiment is provided with at least one row of suction through holes, the suction through holes in the row of suction through holes are arranged along the conveying direction of the printing medium 500, and the suction mechanism provides negative pressure for each suction through hole, so that the suction through holes can suck the medium in the conveying process of the printing medium 500. Meanwhile, the non-air suction area 120 on the belt 100 improves the overall strength of the belt 100, thereby improving the service life of the belt 100 and reducing the production cost.

Example 3

Referring to fig. 2, the Single-Pass inkjet printing apparatus according to embodiment 3 of the present invention is modified based on embodiment 1. Specifically, the medium conveying device in the embodiment includes a belt 100 and a suction mechanism, the belt 100 is used for conveying the printing medium 500, and a first suction area 111, a first non-suction area 121 and a second non-suction area 122 are arranged on a working surface of the belt 100. The first and second

non-suction areas

121 and 122 are disposed on opposite sides of the first suction area 111 in the conveying direction of the printing medium 500, and a boundary of the first suction area 111 and each non-suction area 120 is expressed at a dotted line in fig. 2 (the dotted line is a line that does not exist on the belt 100). The first air suction area 111 includes a plurality of rows of adsorption through holes, the adsorption through holes in each row of adsorption through holes are arranged along the conveying direction of the printing medium 500, and the plurality of rows of adsorption through holes are sequentially arranged along a first direction, which is perpendicular to the conveying direction of the printing medium 500. The air suction mechanism is used for providing negative pressure for each adsorption through hole in the air suction area 110, and an air suction motor is arranged in the air suction mechanism to generate negative pressure. The two ends of the belt 100 are respectively provided with a belt wheel to be rotatably connected with the belt 100, and one of the belt wheels is connected with the output shaft of the driving motor, so that the belt 100 can be driven to convey the printing medium 500 by the rotation of the output shaft of the driving motor.

As shown in fig. 4, the first row of the adsorption through holes arranged in the first direction in the first air suction region 111 is a first row of the adsorption through holes, the last row of the adsorption through holes arranged in the first direction in the first air suction region 111 is a last row of the adsorption through holes, an imaginary line tangent to the outer side of the first row of the adsorption through holes is a first imaginary line, an imaginary line tangent to the outer side of the last row of the adsorption through holes is a second imaginary line, and a distance between the first imaginary line and the second imaginary line is a width S2 of the first air suction region 111 along the first direction. A second non-suction area 122 is located between the first imaginary line and one side of the belt 100, and a first non-suction area 121 is located between the second imaginary line and the other side of the belt 100, in this embodiment, a distance between the first imaginary line and one side of the belt 100 is equal to a distance between the second imaginary line and the other side of the belt 100, that is, a width of the first non-suction area 121 along the first direction is equal to a width of the second non-suction area 122 along the first direction is equal to S4 (in other embodiments, a width of the first non-suction area 121 along the first direction may not be equal to a width of the second non-suction area 122 along the first direction). S2: S4 equals 1:1 in this embodiment (S2: S4 equals 2:1 in other embodiments). Meanwhile, in this embodiment, the width S2 of the first air suction region 111 in the first direction is greater than the width S3 of the printing medium 500 in the first direction, so that the first air suction region 111 can better convey printing mediums with different widths, and the belt 100 has better versatility (in other embodiments, the width S2 of the first air suction region 111 in the first direction may also be equal to the width S3 of the printing medium 500 in the first direction, and thus, when the width S3 is set, the width of a hole punched in the belt 100 can be reduced for conveying the printing medium 500 with a certain width, so that the manufacturing cost of the belt 100 is reduced).

The width S2 of the first suction region 111 in the first direction is greater than the width S3 of the printing medium 500 in the first direction in this embodiment, so that the suction force of the first suction region 111 to the printing medium 500 is increased, thereby allowing the printing medium 500 to be more smoothly conveyed on the belt 100. Meanwhile, the first non-air suction region 121 and the second non-air suction region 122 are disposed at opposite sides of the first air suction region 111 along the conveying direction of the printing medium 500, and the first non-air suction region 121 and the second non-air suction region 122 on the belt 100 are distributed from opposite sides of the first air suction region 111 to improve the overall strength of the belt 100, thereby further improving the service life of the belt 100 and reducing the production cost.

Example 4

Referring to fig. 4, the Single-Pass inkjet printing apparatus according to embodiment 4 of the present invention is modified based on embodiment 1. Specifically, the medium conveying device in the embodiment includes a belt 100 and a suction mechanism, the belt 100 is used for conveying the printing medium 500, and a first suction area 111 and a first non-suction area 121 are arranged on a working surface of the belt 100. The first non-suction areas are disposed at opposite sides of the first suction area 111 in the conveying direction of the printing medium 500, and a boundary of the first suction area 111 and the first non-suction area 121 is expressed at a dotted line in fig. 3 (the dotted line is a line that does not exist on the belt 100). The first suction area 111 includes a plurality of rows of adsorption through holes, the adsorption through holes in each row of adsorption through holes are arranged along the conveying direction of the printing medium 500, and the plurality of rows of adsorption through holes are sequentially arranged along the first direction. The suction mechanism is used to provide negative pressure to each suction through hole in the suction area 110. The width of the first induced draft region 111 in the first direction is S2, the width of the first non-induced draft region 121 in the first direction is S4, and S2: S4 is equal to 1:2 in the present embodiment.

Example 5

Referring to fig. 5, the Single-Pass inkjet printing apparatus according to embodiment 5 of the present invention is modified based on embodiment 1. Specifically, the medium conveying device in the embodiment includes a belt 100 and a suction mechanism, the belt 100 is used for conveying the printing medium 500, and a third non-suction area 123, a second suction area 112 and a third suction area 113 are arranged on a working surface of the belt 100. The second and third suction areas 112 and 113 are disposed on opposite sides of the third non-suction area 123 in the conveying direction of the printing medium 500, and the boundary of the third non-suction area 123 and each suction area 110 is expressed at a dotted line in fig. 5 (the dotted line is a line that does not exist on the belt 100). The second air suction region 112 and the third air suction region 113 each include a plurality of rows of adsorption through holes, the adsorption through holes in each row of adsorption through holes are arranged along the conveying direction of the printing medium 500, and the plurality of rows of adsorption through holes are sequentially arranged along the first direction. The air suction mechanism is used for providing negative pressure for each suction through hole in the second air suction area 112 and the third air suction area 113.

In this embodiment, the second suction area 112 and the third suction area 113 may respectively suck one printing medium 500 at the same time for conveying, thereby improving the conveying efficiency of the belt 100. And the second air suction area 112 and the third air suction area 113 are disposed at opposite sides of the third non-air suction area 123 along the conveying direction of the printing medium 500, and the third non-air suction area 123 can improve the overall strength of the belt 100, thereby further improving the service life of the belt 100 and reducing the production cost.

Example 6

Referring to fig. 6, the Single-Pass inkjet printing apparatus according to embodiment 6 of the present invention is modified based on embodiment 5. Specifically, in this embodiment, the belt 100 is further provided with a fourth non-suction area 124 and a fifth non-suction area 125, and the fifth non-suction area 125, the third suction area 113, the third non-suction area 123, the second suction area 112, and the fourth non-suction area 124 are sequentially arranged along the first direction. Because the fifth non-suction area 125, the third suction area 113, the third non-suction area 123, the second suction area 112, and the fourth non-suction area 124 are sequentially disposed along the first direction, the fifth non-suction area 125 and the fourth non-suction area 124 can improve the strength of the belt 100 along both sides of the conveying direction, thereby improving the service life of the belt 100 and reducing the production cost.

Example 7

Referring to fig. 7 and 8, the Single-Pass inkjet printing apparatus according to embodiment 7 of the present invention is modified from that of embodiments 1 to 6. The medium feeding apparatus of this embodiment further includes a limiting mechanism and an adjusting mechanism, which are located above the belt 100, and the limiting mechanism limits the feeding of the printing medium 500 on the suction area 110 of the belt 100. The limiting mechanism includes a first limiting member 310, a second limiting member 320, a first guiding member 330 and a second guiding member 340, wherein the first limiting member 310 and the second limiting member 320 are disposed on opposite sides of the air suction region 110 along the conveying direction of the printing medium 500, a first preset distance S1 is provided between the first limiting member 310 and the second limiting member 320, and the first preset distance S1 is 2mm to 3mm wider than the width of the printing medium along the first direction. The adjusting mechanism is used for adjusting the first preset distance S1 between the first limiting member 310 and the second limiting member 320. The first material guiding member 330 and the first limiting member 310 are sequentially arranged along the conveying direction of the printing medium 500, and the first material guiding member 330 and the first limiting member 310 are integrally formed; the second guiding member 340 and the second limiting member 320 are sequentially disposed along the conveying direction of the printing medium 500, and the second guiding member 340 and the second limiting member 320 are integrally formed. A feeding port of the limiting mechanism is formed between the first guiding member 330 and the second guiding member 340, and the feeding port of the limiting mechanism gradually narrows along the conveying direction of the printing medium 500, and in this embodiment, the feeding port of the limiting mechanism gradually narrows along the conveying direction of the printing medium 500 to the width of the first preset distance S1.

When the printing medium 500 is discharged manually to the feeding hole of the limiting mechanism, the feeding hole of the limiting mechanism is gradually narrowed to the width of the first preset distance S1 along the conveying direction of the printing medium, so that the limiting mechanism can limit the position of the printing medium 500 on the conveying device along with the conveying of the belt, and therefore errors existing during manual discharging are reduced. The print medium in this embodiment may be a meal box, glass, card, tile, etc.

The adjusting mechanism comprises a plurality of first supporting members 410, a plurality of first moving members 420, a plurality of first locking members 430, a plurality of second supporting members 440, a plurality of second moving members 450 and a plurality of second locking members 460, wherein the number of the first supporting members 410 and the number of the first moving members 420 are matched with the number of the first locking members 430. Now, for example, a first supporting member 410, a first moving member 420, and a first locking member are used, the first supporting member 410, the first moving member 420, and the first moving member 420 are disposed on a side of the first limiting member 310 away from the second limiting member 320, the first supporting member 410 is fixedly mounted on a frame of the medium conveying device, a first through hole is disposed on the first supporting member 410, an axis of the first through hole is parallel to a first direction, and the first moving member 420 passes through the first through hole on the first supporting member 410 and is fixedly connected to the first limiting member 310. The first locking member is located above the first limiting member 310, and a thread is disposed at a lower end of the first locking member, the lower end of the first locking member downwardly passes through the first supporting member 410 to the first through hole, and the lower end of the first locking member abuts against the first moving member 420, and the lower end of the first locking member is in threaded connection with the first supporting member 410. After the first locking member is unscrewed, the user can adjust the position of the first moving member 420 along the first direction, so as to adjust the first preset distance S1 between the first limiting member 310 and the second limiting member 320; after the adjustment is completed, the user tightens the first locking member to fix the first moving member 420 to the first supporting member 410.

The number of the second supporting member 440 and the second moving member 450 is matched with the number of the second locking member 460. Now, for example, a second supporting member 440, a second moving member 450, and a second locking member are used, the second supporting member 440, the second moving member 450, and the second moving member 450 are disposed on a side of the second limiting member 320, which is away from the first limiting member 310, the second supporting member 440 is fixedly mounted on a frame of the medium conveying device, a second through hole is disposed on the second supporting member 440, an axis of the second through hole is parallel to the first direction, and the second moving member 450 passes through the second through hole on the second supporting member 440 and is fixedly connected to the second limiting member 320. The second locking member is located above the second limiting member 320, and a thread is disposed at a lower end of the second locking member, the lower end of the second locking member downwardly passes through the second supporting member 440 to the second through hole, and the lower end of the second locking member abuts against the second moving member 450, and the lower end of the second locking member is in threaded connection with the second supporting member 440. After the second locking member is unscrewed, the user can adjust the position of the second moving member 450 along the first direction, so as to adjust the first preset distance S1 between the second limiting member 320 and the first limiting member 310; after adjustment, the user tightens the second locking member to fix the second moving member 450 to the second supporting member 440.

Example 8

Embodiment 8 of the utility model discloses Single-Pass inkjet printing equipment, this Single-Pass inkjet printing equipment include medium conveyor, sensor 200, first print mechanism 610 and controller. The sensor 200 and the first ink jet mechanism are sequentially arranged above the medium conveying device along the conveying direction of the printing medium 500; that is, the medium transporting device sequentially transports the printing medium 500 past the sensor 200 and the first ink jetting mechanism, and the medium transporting device adsorbs the printing medium 500 onto the working surface of the medium transporting device. The sensor 200 detects whether the printing medium 500 reaches a preset position during the transportation of the printing medium 500 and generates a position signal, and the first printing mechanism 610 is used for jetting the first ink to the printing medium 500. The controller is electrically connected to the sensor 200 and the first ink-jet mechanism, and the controller controls the first ink-jet mechanism to operate according to the received position signal, that is, controls the first ink-jet mechanism to jet the first ink onto the printing medium 500.

The medium transport device in the Single-Pass inkjet printing apparatus of this embodiment transports the print medium 500 sequentially through the sensor 200 and the first inkjet mechanism, and when the sensor 200 detects that the print medium 500 reaches a preset position during the transport of the print medium 500, a position signal is generated, and the controller controls the first inkjet mechanism to inkjet the first ink onto the print medium 500 according to the received position signal. The medium conveying device adsorbs the printing medium 500 on the working surface of the medium conveying device, so that the offset of the printing medium 500 in the conveying process is reduced, the offset of the pattern on the printing medium 500 after printing is reduced, and finally the printing quality is improved.

Example 9

Referring to fig. 9 and 10, a Single-Pass inkjet printing apparatus according to embodiment 9 of the present invention is modified from that of embodiment 8. Specifically, the printing device of the Single-Pass inkjet printing apparatus in this embodiment includes a second printing mechanism 620, a first curing mechanism 710, a second curing mechanism 720, a lifting driving mechanism 630, a surface processing device 800, a first controller, a second controller, a human-computer interaction device, and a stacking device 900, where the second printing mechanism 620 is configured to eject a second ink different from the first ink to the printing medium 500, where the first ink is a white ink in this embodiment, and the second ink is one of cyan, red, and yellow inks. The first curing mechanism 710 is used for curing the first ink jetted on the printing medium 500; the second curing mechanism 720 is used for curing the second ink jetted on the printing medium 500, and in the embodiment, the first curing mechanism 710 and the second curing mechanism 720 are UV lamps or mercury lamps. The surface treatment device 800 treats the surface of the printing medium 500 to form an adhesion layer on the surface of the printing medium 500, in this embodiment, the surface treatment device 800 forms an adhesion layer on the surface of the printing medium 500 by plasma spraying the printing medium 500 to improve the adhesion of the subsequent ink on the surface of the medium, and in other embodiments, the surface treatment mechanism 42 treats the printing medium 500 by spraying a matte layer, UV paint, or the like.

The medium transporting device in this embodiment is any one of the medium transporting devices in embodiments 2 to 7. The surface treatment device 800, the sensor 200, the first printing mechanism 610, the first curing mechanism 710, the second printing mechanism 620, and the second curing mechanism 720 are disposed above the belt 100 in the conveying direction of the printing medium 500; the first printing mechanism 610, the first curing mechanism 710, and the second printing mechanism 620 are fixedly mounted on the lifting plate 640. The sensor 200 is a color patch sensor 200, and the detecting direction of the sensor 200 is directed vertically downward toward the belt 100. A first mounting rack, a second mounting rack and a third mounting rack are respectively arranged on the Single-Pass inkjet printing equipment corresponding to the surface treatment device 800, the lifting plate 640 and the second curing mechanism 720, and the first mounting rack, the second mounting rack and the third mounting rack are fixedly arranged on a rack of the Single-Pass inkjet printing equipment; and the surface treatment apparatus 800 and the second curing mechanism 720 are fixedly mounted on the first mounting frame and the third mounting frame, respectively. The lifting plate 640 is horizontally arranged, a guide rail and a lifting driving mechanism 630 are arranged on the second mounting frame, the guide direction of the guide rail is parallel to the vertical direction, and the lifting plate 640 is in sliding connection with the guide rail so that the lifting plate 640 can lift along the guide rail; this rise price actuating mechanism includes elevator motor and the lead screw of being connected with elevator motor output shaft, and the axial of this lead screw is parallel with vertical direction, is equipped with screw nut on the lead screw, screw nut and lifter plate 640 fixed connection, consequently the rotation accessible lead screw through the elevator motor output shaft, screw nut control lifter plate 640 goes up and down, and then drives.

As shown in fig. 9 and 10, the stacking device 900 is provided at the discharging end of the belt 100, and the stacking device 900 is used for stacking the printing medium 500. The stacking device 900 is provided with a U-shaped feeding port, an opening of the U-shaped feeding port faces a discharging end of the belt 100, the feeding port of the stacking device 900 is aligned with a discharging port of the limiting mechanism in a first direction, and the feeding port of the stacking device 900 is the same as the discharging port of the limiting mechanism in width. In this embodiment, the feeding port of the stacking apparatus 900 is lower than the upper surface of the belt 100, and the printed printing medium 500 on the belt 100 falls from the discharging end of the belt 100 and then is stacked in the stacking apparatus 900 under the action of inertia and gravity.

As shown in fig. 11, in this embodiment, an input end of the first controller is connected to a first output end of the sensor 200, a first output end of the first controller is connected to an input end of the first printing mechanism 610 (the first controller is connected to the first printing mechanism 610 through the head driving board), and a second output end of the first controller is connected to an input end of the second printing mechanism 620 (the first controller is connected to the second printing mechanism 620 through the head driving board). A first input end of the second controller is connected with a second output end of the sensor 200, and a second input end of the second controller is connected with an output end of the human-computer interaction device; the first output end of the second controller is connected with the input end of the first curing mechanism 710, the second output end of the second controller is connected with the input end of the second curing mechanism 720, the third output end of the second controller is connected with the fourth output end of the second controller and the input end of the lifting motor in the lifting driving mechanism 630, the fifth output end of the second controller is connected with the input end of the surface treatment device 800, the sixth output end of the second controller is connected with the input end of the air suction motor in the air suction mechanism, and the seventh output end of the second controller is connected with the input end of the driving motor for driving the belt 100 to move.

In this embodiment, the first controller is a nozzle control board, and the second controller may be a PLC or an ARM processor; the man-machine interaction device is an operation panel, and a display screen, an ascending key, a descending key, a first switch, a second switch and a third switch are arranged on the operation panel. The display screen displays a human-machine interface for a user to check, and displays whether the driving motor, the air suction mechanism and the surface treatment device 800 are in working states or not. When a user presses the lifting key, the operation panel transmits a lifting signal to the second controller, and the second controller controls the lifting motor to rotate forwards so as to drive the lifting plate 640, the first printing mechanism 610, the first curing mechanism 710 and the second printing mechanism 620 to lift; when a user presses the descending key, the operation panel transmits a descending signal to the second controller, and the second controller controls the lifting motor to rotate reversely so as to drive the lifting plate 640, the first printing mechanism 610, the first curing mechanism 710 and the second printing mechanism 620 to ascend. When the user presses the first switch, the operation panel transmits a first switch signal to the second controller, and the second controller controls the power of the surface treatment device 800 to be turned on or off, thereby controlling whether the surface treatment device 800 operates. When the user presses the second switch, the operation panel transmits a second switch signal to the second controller, and the second controller controls the power supply of the air suction motor to be switched on or switched off, so that whether the air suction mechanism works or not is controlled. When the user presses the third switch, the operation panel transmits a third switch signal to the second controller, which controls the power of the driving motor to be turned on or off, thereby controlling whether the belt 100 is moved.

The working principle of the sensor 200 is as follows: the printing medium 500 is conveyed on the belt 100 past the lower part of the sensor 200, when the printing medium 500 reaches a preset position, the sensor 200 detects the printing medium 500 and generates a position signal and conveys the position signal to the first sensor 200 and the second sensor 200, and the first sensor 200 controls the first printing mechanism 610 and the second printing mechanism 620 to work after receiving the position signal, so that the first ink and the second ink are printed on the printing medium 500 in an inkjet mode. And the second sensor 200 controls the power of the first curing mechanism 710 and the second curing mechanism 720 to be turned off or on after receiving the first signal, so that the first curing mechanism 710 and the second curing mechanism 720 emit curing light to cure the first ink and the second ink, respectively.

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. A Single-Pass inkjet printing apparatus, comprising:

a first ink jetting mechanism for jetting a first ink to the printing medium;

2. The Single-Pass inkjet printing apparatus according to claim 1 wherein said Single-Pass inkjet printing apparatus further comprises:

3. The Single-Pass inkjet printing apparatus according to claim 2 wherein said Single-Pass inkjet printing apparatus further comprises:

4. The Single-Pass inkjet printing apparatus according to claim 3 wherein the controller is electrically connected to the first curing mechanism and the second curing mechanism, respectively, and the sensor controls the first curing mechanism and the second curing mechanism to operate according to the received position signal.

5. The Single-Pass inkjet printing apparatus according to claim 4, wherein said Single-Pass inkjet printing apparatus further comprises:

6. The Single-Pass inkjet printing apparatus according to claim 5 wherein said Single-Pass inkjet printing apparatus further comprises:

7. The Single-Pass inkjet printing apparatus according to claim 6 wherein said Single-Pass inkjet printing apparatus includes a first controller and a second controller, said first controller being electrically connected to said sensor, said first ink jetting mechanism, said second ink jetting mechanism, respectively, and said second controller being electrically connected to said sensor, said first curing mechanism, said second curing mechanism, said elevation drive mechanism, and said surface treatment device, respectively.

8. The Single-Pass inkjet printing apparatus according to claim 7 wherein said Single-Pass inkjet printing apparatus further comprises:

9. The Single-Pass inkjet printing apparatus according to any one of claims 1 to 8, wherein the medium conveying device includes a belt provided with an adsorption through hole for adsorbing the printing medium, and an air suction mechanism for supplying a negative pressure to the adsorption through hole.

10. The Single-Pass inkjet printing apparatus according to claim 9 wherein the belt has a suction area and a non-suction area on a working surface thereof, the suction area including at least one row of suction through holes, the suction through holes in the row of suction through holes being aligned along a conveying direction of the printing medium.