CN212529055U

CN212529055U - Printing device and certificate making equipment

Info

Publication number: CN212529055U
Application number: CN202020136682.XU
Authority: CN
Inventors: 唐孝宏; 王剑鸣; 刘海潮; 邓坚
Original assignee: Shenzhen Emperor Technology Co Ltd
Current assignee: Shenzhen Emperor Technology Co Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2021-02-12
Anticipated expiration: 2030-01-20

Abstract

The utility model relates to a printing device and system card equipment, printing device include shower nozzle, fine-tuning and moving mechanism, and the shower nozzle is equipped with a plurality of orifices, and fine-tuning is connected with the shower nozzle transmission, and fine-tuning is used for driving the shower nozzle and removes along first horizontal direction to make the different orifices correspond the same printing region of card. The moving mechanism is used for driving the fine adjustment mechanism and the spray head to move along a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction. The fine adjustment mechanism is arranged, so that the jet orifices capable of working normally can perform supplementary printing on the same printing area even if one or some jet orifices of the nozzle are blocked and the like, the image printed on the certificate card is complete and clear, and the printing success rate is improved. The printing device is applied to certificate making equipment, so that the yield of the certificate card can be effectively improved.

Description

Printing device and certificate making equipment

Technical Field

The utility model relates to an identification card preparation technical field especially relates to a printing device and system card equipment.

Background

Currently, the certificate card preparation step generally includes a printing step, and the printing device needs to print relevant information on a blank certificate card, such as the issuing authority, the expiration date, the name of the bearer, the number, and the like. At present, most of printing devices adopt an ink-jet technology, liquid ink is changed into fine particles through nozzle orifices of a nozzle and is sprayed on a card, however, the frequency of faults such as blockage of the nozzle orifices of the nozzle is high, the image printed on the card has the defects that partial areas are not printed or the color is light, and the like, and the image has bad effect when being printed on the card.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing device and system card equipment aims at improving the printing success rate.

A printing apparatus comprising:

the nozzle is provided with a plurality of spray holes;

the fine adjustment mechanism is in transmission connection with the spray head and is used for driving the spray head to move along a first horizontal direction so as to enable different spray holes to correspond to the same printing area of the certificate card; and

and the moving mechanism is used for driving the fine adjustment mechanism and the spray head to move along a second horizontal direction, and the second horizontal direction is vertical to the first horizontal direction.

In one embodiment, the spray head device further comprises a base and a connecting seat, the spray head is installed on the base, the fine adjustment mechanism is installed on the connecting seat and is in transmission connection with the base, and the base is in sliding fit with the connecting seat.

In one embodiment, the fine adjustment mechanism includes an adjustment driving member, a screw rod and a movable member, the adjustment driving member is mounted on the connecting base and is in transmission connection with the screw rod, the screw rod extends along the first horizontal direction, and the movable member is disposed on the screw rod and is connected with the base.

In one embodiment, the spray head comprises a first single body and a second single body, and the first single body and the second single body are both provided with a plurality of spray holes;

the first single bodies are arranged at intervals along the second horizontal direction, and the second single bodies are arranged at intervals along the second horizontal direction;

and a partial structure of the second monomer is arranged between two adjacent first monomers.

In one embodiment, the shower head further comprises a limiting mechanism, and the limiting mechanism is used for limiting the moving stroke of the shower head in the first horizontal direction.

In one embodiment, the moving mechanism includes a moving driving member, a first synchronizing wheel, a second synchronizing wheel and a synchronous belt, the moving driving member is in transmission connection with the first synchronizing wheel, and the synchronous belt is wound around the first synchronizing wheel and the second synchronizing wheel and is in transmission connection with the fine adjustment mechanism and the nozzle.

In one embodiment, the cleaning device further comprises a cleaning mechanism arranged at a cleaning station, the cleaning mechanism is used for cleaning the spray head, and the moving mechanism can drive the spray head to move to the cleaning station along the second horizontal direction.

In one embodiment, the cleaning mechanism comprises an air blowing structure and a driving assembly, the driving assembly is in transmission connection with the air blowing structure, the driving assembly is used for driving the air blowing structure to move along the first horizontal direction, and the air blowing structure is used for blowing air to the spray head.

In one embodiment, the ink jet head further comprises a power assembly, an ink stack and a mounting frame, wherein the ink stack is movably arranged on the mounting frame, and the power assembly is in transmission connection with the ink stack and is used for driving the ink stack to move along the vertical direction and the second horizontal direction relative to the mounting frame so as to enable the ink stack to moisturize the nozzle head.

An authentication apparatus comprising any of the printing devices described above.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the moving mechanism is used for driving the spray head to move along the second horizontal direction so as to realize basic printing operation on the certificate card, on the basis, the fine adjustment mechanism is further arranged and can drive the spray head to move along the first horizontal direction so as to enable different spray holes to correspond to the same printing area of the certificate card, therefore, even if some or some spray holes of the spray head are blocked and other faults occur, the spray holes capable of working normally can be used for performing supplementary printing on the same printing area, so that the image printed on the certificate card is complete and clear, and the printing success rate is improved. The printing device is applied to certificate making equipment, so that the yield of the certificate card can be effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

FIG. 1 is a schematic diagram of a printing apparatus according to an embodiment;

FIG. 2 is a schematic view of a portion of the printing apparatus shown in FIG. 1;

FIG. 3 is a top view of the structure shown in FIG. 2;

FIG. 4 is a schematic view of a cleaning mechanism of the printing apparatus shown in FIG. 1;

FIG. 5 is a schematic view of a portion of the maintenance mechanism of the printing apparatus shown in FIG. 1;

fig. 6 is a partial structural view of a mounting bracket in the maintenance mechanism shown in fig. 5.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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

As shown in fig. 1, the certificate making apparatus of one embodiment includes a printing device 10 for printing related information on a certificate card, which may be a document such as a passport or the like, or a card-type document such as an identification card, a reference certificate or the like, and the related information to be printed on the certificate card may include a name of a licensee, a certificate issuing authority, an expiration date or the like.

Referring to fig. 2, the printing apparatus 10 includes a nozzle 100, a fine adjustment mechanism 200 and a moving mechanism 300, wherein the nozzle 100 has a plurality of nozzles, the fine adjustment mechanism 200 is connected to the nozzle 100 for driving the nozzle 100 to move along a first horizontal direction, so that different nozzles correspond to a same printing area of the identification card, and the moving mechanism 300 is used for driving the fine adjustment mechanism 200 and the nozzle 100 to extend along a second horizontal direction. In the present embodiment, the first horizontal direction is the X-axis direction shown in fig. 1, the second horizontal direction is the Y-axis direction shown in fig. 1, and the first horizontal direction is perpendicular to the second horizontal direction.

The printing device 10 of the present embodiment adopts an inkjet technology, and during the printing process, the moving mechanism 300 drives the nozzle 100 to move along the second horizontal direction, so as to implement full-width printing, but in order to avoid the situation that a certain area on the identification card is not printed in place due to a certain nozzle or certain nozzles being blocked, the fine adjustment mechanism 200 can perform fine adjustment on the nozzle 100 in the first horizontal direction during printing, so that the position of the same nozzle hole on the nozzle 100 after adjustment is different from the position before adjustment, and it can also be understood that after adjustment by the fine adjustment mechanism 200, the nozzle hole which can normally work can perform supplementary printing on the same area, so as to ensure that the image printed on the identification card is complete and clear. The mode not only can improve the card yield, but also can improve the printing efficiency, and further improve the card preparation efficiency.

The number of times the fine adjustment mechanism 200 adjusts the head 100 in the first horizontal direction may be determined comprehensively according to factors such as the type of the head 100, the range of full-width printing, and the like. In an embodiment, the frequency of the fine adjustment of the nozzle 100 by the fine adjustment mechanism 200 may be matched with the number of pass of printing, where the number of pass refers to the number of times that the screen forming of a unit area needs to be printed, and the frequency of the fine adjustment may be generally set to be less than or equal to the number of pass of printing.

In order to improve the printing efficiency, the nozzle 100 includes a plurality of single structures, each of which is provided with a plurality of nozzles, and the printing range of the nozzle 100 is expanded by splicing the plurality of single structures.

Specifically, in the present embodiment, the nozzle 100 includes two rows of single bodies, which are the first single body 110 and the second single body 120, respectively, the first single body 110 is provided in a plurality and is spaced apart from each other along the second horizontal direction, and the second single body 120 is provided in a plurality and is spaced apart from each other along the second horizontal direction. The first single bodies 110 and the second single bodies 120 are arranged in a staggered manner, and a partial structure of one second single body 120 is arranged between two adjacent first single bodies 110. Each of the first single bodies 110 and each of the second single bodies 120 are provided with a plurality of spray holes. Specifically, in the present embodiment, there are two first units 110 and two second units 120, that is, there are four single structures. In other embodiments, the number of the first monomers 110 may be 3 or more, and the same applies to the second monomers 120. In addition, the showerhead 100 may be provided with only one row of the single structures or three or more rows of the single structures, which is not limited herein.

Under the action of the fine adjustment mechanism 200, the printing defects at the joint of the first monomer 110 and the second monomer 120 can be well avoided.

It is understood that in other embodiments, only one of the monolithic structures may be provided.

As shown in fig. 2 and 3, the printing apparatus 10 further includes a connecting structure 400, the connecting structure 400 includes a base 410 and a connecting seat 420, the nozzle 100 is mounted on the base 410, the fine adjustment mechanism is mounted on the connecting seat 420 and is in transmission connection with the base 410, and the base 410 is in sliding fit with the connecting seat 420. Of course, the base 410 and the connecting seat 420 may be omitted as appropriate.

The coupling structure 400 further includes a slider coupled to the base 410 and a guide coupled to the coupling seat 420, the guide extending in the first horizontal direction. The slider cooperates with the rail to improve the stability of the movement of the nozzle 100 in the first horizontal direction.

In some embodiments, the arrangement positions of the slider and the guide rail can be interchanged, that is, the slider is arranged on the connecting seat 420, and the guide rail is arranged on the base 410. Alternatively, in some embodiments, the slider and the guide rail may also be omitted.

The fine adjustment mechanism 200 includes an adjustment driving member 210, a screw rod 220 and a movable member 230, the adjustment driving member 210 is mounted on the connecting base 420 and is in transmission connection with the screw rod 220, the screw rod 220 extends along a first horizontal direction, and the movable member 230 is disposed on the screw rod 220 and is connected with the base 410. The adjusting driving member 210 can drive the screw rod 220 to rotate, so as to drive the movable member 230 in threaded engagement with the screw rod 220 to move along the first horizontal direction, and further drive the base 410 and the spray head 100 connected to the base 410 to move along the first horizontal direction. In this way, the fine adjustment mechanism 200 can control the adjustment accuracy of the head 100. In other embodiments, other manners may be used to achieve the movement of the spray head 100 in the first horizontal direction, for example, a cam mechanism may be used to drive the spray head 100 to move, and a motor drives a cam to rotate, so that the cam drives a follower engaged with the cam to move in the first horizontal direction, where the follower may be the base 410, the spray head 100, or other structures connected to the spray head 100. For another example, the spray head 100 may be driven to move in the first horizontal direction by an air cylinder or a hydraulic cylinder.

In the present embodiment, the printing apparatus 10 further includes a limiting mechanism 500, and the limiting mechanism 500 is configured to limit a moving stroke of the nozzle 100 in the first horizontal direction, that is, the limiting mechanism 500 is configured to limit a maximum distance that the nozzle 100 can move in the first horizontal direction, so as to prevent the nozzle 100 from exceeding a printing range.

Specifically, the limiting mechanism 500 includes a follower 510, a first sensing member 520 and a second sensing member 530, the follower 510 is connected to the movable member 230, the first sensing member 520 and the second sensing member 530 are both mounted on the connecting base 420, the first sensing member 520 is used for limiting a first limit position of the spray head 100 in a first horizontal direction, and the second sensing member 530 is used for limiting a second limit position of the spray head 100 in the first horizontal direction. It will be appreciated that in other embodiments, the distance of travel of the spray head 100 may be limited in other ways, for example, the angular displacement of the adjustment actuator 210 may also be controlled by a code wheel.

Referring to fig. 1, the moving mechanism 300 includes a moving driving member 310, a first synchronizing wheel 320, a second synchronizing wheel 330 and a timing belt 340, the moving driving member 310 is connected to the first synchronizing wheel 320 in a transmission manner, and the timing belt 340 is wound around the first synchronizing wheel 320 and the second synchronizing wheel 330 and is connected to the fine adjustment mechanism 200 and the nozzle 100 in a transmission manner. Of course, in other embodiments, the movable driving member 310 can be drivingly connected to the nozzle 100 by a screw nut pair.

In the present embodiment, the printing apparatus 10 further includes a printing platform fixedly disposed, and the nozzle 100 is used for printing the identification card placed on the printing platform. In some embodiments, the printing platform may be configured to be mobile to facilitate placement of a blank identification card or removal of a printed identification card.

Further, referring to fig. 1, fig. 4 and fig. 5, the printing apparatus 10 further includes a testing platform 700, a cleaning mechanism 800 and a maintenance mechanism 900, and the testing platform 700, the printing platform, the cleaning mechanism 800 and the maintenance mechanism 900 are sequentially disposed along a second horizontal direction, wherein the testing platform 700 is disposed at the standby station 12, the printing platform is disposed at the printing station 14, the cleaning mechanism 800 is disposed at the cleaning station 16, and the maintenance mechanism 900 is disposed at the maintenance station 18. The moving mechanism 300 drives the nozzle 100 to sequentially pass through the standby station 12, the printing station 14, the cleaning station 16, and the maintenance station 18.

Specifically, at the standby station 12, flash parameters are preset, so that the nozzle 100 performs flash operation on the test platform 700 to dredge blocked nozzle holes, and it is ensured that each nozzle hole can perform jet printing when the nozzle 100 moves to the printing station 14. The flash spraying is instant spraying, and flash spraying parameters comprise at least one of the following parameters: the number of the spray holes to be flash sprayed, the number of flash spraying lines, flash spraying intervals and the like.

At the cleaning station 16, the cleaning mechanism 800 cleans the head 100, primarily to clean ink droplets, debris, dust, etc. from the surface of the head 100.

In this embodiment, the cleaning mechanism 800 includes an air blowing structure 810 and a driving assembly 820, the air blowing structure 810 is used for blowing air to the nozzle 100, and the driving assembly 820 is in transmission connection with the air blowing structure 810 and is used for driving the air blowing structure 810 to move along a first horizontal direction, so that the air blowing structure 810 can clean the plurality of single structures one by one. The cleaning method of the present embodiment can reduce the volume of the cleaning mechanism 800, thereby reducing the space occupied by the printing apparatus 10. More specifically, the driving assembly 820 drives the air blowing structure to move mainly through a synchronous wheel structure, and it is understood that in other embodiments, the driving assembly 820 may also use an air cylinder or a moving platform to drive the air blowing structure 810 to move. In some embodiments, a plurality of air blowing structures 810 may be further provided, and the plurality of air blowing structures 810 are provided in one-to-one correspondence with the plurality of single structures, so that the driving assembly 820 may be omitted.

At the maintenance station 18, the maintenance mechanism 900 includes a power assembly, an ink stack 920 and a mounting frame 930, the ink stack 920 is movably disposed on the mounting frame 930, the power assembly is in transmission connection with the ink stack 920 and is used for driving the ink stack 920 to move in the vertical direction and the second horizontal direction relative to the mounting frame 930, so that the ink stack 920 cooperates with the nozzle 100, and the nozzle 100 is moisturized.

In this embodiment, as shown in fig. 5 and 6, the mounting bracket 930 is provided with a first hole 932 and a second hole 934, the first hole 932 communicates with the second hole 934 to form a strip-shaped hole, and the ink stack 920 is in sliding fit with the strip-shaped hole. First hole 932 and second hole 934 are arranged along second horizontal direction, and there is the difference in height in vertical direction in first hole 932 and second hole 934, therefore, power component drive ink stack 920 when moving along second horizontal direction between first hole 932 and second hole 934, can also change the height that ink stack 920 located in vertical direction. When the printhead 100 is moved from the cleaning station 16 to the maintenance station 18, the power assembly is required to move the ink stack 920 in a direction from the first aperture 932 to the second aperture 934 so that the ink stack 920 engages the printhead 100. When the inkjet head 100 needs to be moved from the maintenance station 18 to the standby station 12, the power assembly includes a reset 912 that drives the ink stack 920 to move in the direction from the second aperture 934 to the first aperture 932, so that the ink stack 920 is detached from the inkjet head 100.

In other embodiments, power assemblies for driving the ink stack 920 to move in the vertical direction and the second horizontal direction may be further provided, respectively.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A printing apparatus, comprising:

the nozzle is provided with a plurality of spray holes;

2. The printing apparatus of claim 1, further comprising a base and a connecting seat, wherein the nozzle is mounted on the base, the fine adjustment mechanism is mounted on the connecting seat and is in transmission connection with the base, and the base is in sliding fit with the connecting seat.

3. The printing apparatus of claim 2, wherein the fine adjustment mechanism includes an adjustment driving member, a screw rod, and a movable member, the adjustment driving member is mounted on the connecting base and is in transmission connection with the screw rod, the screw rod extends along the first horizontal direction, and the movable member is disposed on the screw rod and is connected with the base.

4. The printing device according to claim 1, wherein the nozzle comprises a first single body and a second single body, and the first single body and the second single body are provided with a plurality of the nozzles;

5. The printing apparatus of claim 1, further comprising a limiting mechanism for limiting a travel of the head in the first horizontal direction.

6. The printing apparatus of claim 1, wherein the moving mechanism comprises a moving driving member, a first synchronizing wheel, a second synchronizing wheel and a synchronous belt, the moving driving member is drivingly connected to the first synchronizing wheel, and the synchronous belt is wound around the first synchronizing wheel and the second synchronizing wheel and drivingly connected to the fine adjustment mechanism and the nozzle.

7. The printing apparatus according to claim 1, further comprising a cleaning mechanism disposed at a cleaning station, wherein the cleaning mechanism is configured to clean the nozzle, and the moving mechanism is configured to drive the nozzle to move to the cleaning station along the second horizontal direction.

8. The printing apparatus of claim 7, wherein the cleaning mechanism comprises a blowing structure and a driving assembly, the driving assembly is in transmission connection with the blowing structure, the driving assembly is configured to drive the blowing structure to move along the first horizontal direction, and the blowing structure is configured to blow air to the nozzle.

9. The printing device according to claim 1, further comprising a power assembly, an ink stack and a mounting frame, wherein the ink stack is movably disposed on the mounting frame, and the power assembly is in transmission connection with the ink stack and is configured to drive the ink stack to move in a vertical direction and the second horizontal direction relative to the mounting frame, so that the ink stack can moisturize the nozzle.

10. An authentication apparatus comprising a printing device according to any one of claims 1 to 9.