CN211892520U - Compact multifunctional certificate card printer - Google Patents

Abstract

The utility model provides a compact multifunctional certificate card printer, which relates to the technical field of printing devices and comprises a main machine body and a storage bin body for loading cards to be processed, wherein a printing head component, a pressing roller set, a reading and writing module and a cam shaft for driving a plurality of stations to work simultaneously are arranged on the main machine body along a printing transmission path; the cam shaft is provided with a plurality of cams, each cam at least drives one of the printing head assembly, the pressing roller group and the reading and writing module to relatively operate, and the printing head assembly, the pressing roller group and the reading and writing module are respectively controlled to relatively independently work through different phases in synchronous linkage. Through at the internal print head subassembly that is equipped with of same host computer, press roller set, read-write module and drive the camshaft of a plurality of stations simultaneous workings for closely link up the cooperation between each work module, make the whole volume of card printer more compact. And the printing efficiency and the transmission efficiency are improved under the coaxial linkage.

Description

Compact multifunctional certificate card printer

Technical Field

The utility model relates to a printing device technical field particularly, relates to a multi-functional card printer of compact.

Background

The card printer is used for printing certificates, and in daily life, various chest cards or certificates printed with photos are printed and produced by the card printer. The card printer comprises a printing module, a reading and writing module, a transmission roller set, a card storage bin and the like, when the card is required to be printed, the card to be printed is placed in the storage bin, the transmission roller set is started simultaneously, the card to be printed is conveyed to the printing module through the roller set to be printed, and information reading is carried out in the reading and writing module. The printed certificate card is conveyed to the inlet and the outlet of the printer through the roller set again, and a user can take out the printed certificate card to realize the certificate card printing operation.

Among the prior art, each work modular structure of card printer is complicated, generally locates different organisms or the storehouse body for dodge sufficient printing transmission space relatively, cause the printing work to lack the flexibility, can not satisfy the printing demand, the user's of not being convenient for printing use. Moreover, the structural layout of the printer is not compact enough, so that the whole size is large, the weight is heavy, the limitation of use occasions is more, the printer is not suitable for the printing requirements of various cards, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a multi-functional card printer of compact aims at improving the not compact and comparatively single problem of function of current card printer structure.

The utility model adopts the following scheme:

a compact multifunctional card printer comprises a host machine body and a storage bin body for loading cards to be processed, wherein a printing head assembly, a pressing roller set, a reading and writing module and a cam shaft for driving a plurality of stations to work simultaneously are distributed on the host machine body along a printing transmission path; the cam shaft is provided with a plurality of cams, each cam at least drives one of the printing head assembly, the pressing roller group and the reading and writing module to relatively operate, and the synchronous linkage respectively controls the relative independent work among the printing head assembly, the pressing roller group and the reading and writing module through different phases.

As a further improvement, the camshaft comprises a linkage shaft body, and a first cam, a second cam, a driven gear and a third cam which are respectively sleeved on the linkage shaft body; the first cam is abutted against the lower end position of the printing head component so as to synchronously drive the printing head component to correspondingly approach or depart from printing paper; the second cam drives the pressing roller group to be linked with the printing head assembly, and correspondingly presses and conveys printing paper or relatively avoids the printing paper; the driven gear is connected with an external driving piece so as to enable the linkage shaft body to rotate continuously; the third cam drives the read-write module to change from the initial position to a read-write position close to the printing paper conveyed to the read-write area; the printing head assembly is close to printing paper and corresponds the relative printing paper of dodging of pressing roller set, perhaps the printing head assembly is kept away from printing paper and is corresponded printing paper the pressing roller set is pressed and is carried printing paper.

As a further improvement, the linkage shaft body is rotatably arranged in the printer transversely, and the first cam, the second cam, the driven gear and the third cam are arranged at one end of the linkage shaft body in a centralized manner.

As a further improvement, the card printer further comprises a card pushing device and a card transmission device, wherein the card transmission device comprises a motor and at least three transmission rollers uniformly driven by the motor, and the transmission rollers at least comprise a first transmission roller for driving a card to enter the transmission device, a second transmission roller for driving the card to enter the magnetic stripe read-write area for reading and writing and a third transmission roller for driving the card to enter the printing area for printing; the card pushing device is arranged on the storage bin body and used for pushing the card to be processed to the first conveying roller.

As a further improvement, the first conveying roller is arranged on the storage bin body.

As a further improvement, after the card being processed is recovered, the pusher pushes a new card to be processed into the first transport roller.

As a further improvement, a recovery bin body for recovering the cards after the processing is finished is arranged below the storage bin body, and the recovery bin body is arranged on the main machine body.

As a further improvement, the card reader-writer further comprises a chip reader-writer, wherein the chip reader-writer is arranged on the host body, and a fourth transmission roller for driving the card to enter a chip reading and writing area is arranged below the chip reader-writer.

As a further improvement, the storage bin further comprises a turnover device, wherein the turnover device is arranged on the main body and on the other side opposite to the storage bin body.

As a further improvement, the turnover device is detachably arranged on the main body.

As a further improvement, the device also comprises a paper pressing roller, and the paper pressing roller at least corresponds to a conveying roller on part of the conveying device.

As a further improvement, at least one of the platen rollers located on both sides of the print head is movable.

By adopting the technical scheme, the utility model discloses can gain following technological effect:

the application discloses card printer is through at the internal print head subassembly that is equipped with of same host computer, the camshaft of pressing roller set, reading and writing module and the simultaneous working of a plurality of stations of drive for closely link up the cooperation between each work module, make the whole volume of card printer more compact. Meanwhile, each cam on the cam shaft at least drives one working module in the main body to operate, and synchronous linkage respectively controls the relative independent work among the printing head assembly, the pressing roller set and the reading and writing module through different phases, so that the printing and transmission efficiency is improved under coaxial linkage.

Further, through the camshaft that first cam, second cam, driven gear and third cam that the cover was located on the linkage axis body respectively constitute, and a plurality of stations simultaneous working on the camshaft drive printer have realized that a driving piece drives the coordinated control between a plurality of different mechanisms, have promoted printing, transmission efficiency greatly. The first cam is abutted to the lower end position of the printing head assembly, the second cam drives the pressing roller set to be linked with the printing head assembly, the driven gear is connected with the external driving piece, and the third cam drives the reading and writing module to change the position of the third cam, so that the synchronous linkage of the cam shafts respectively controls the relative independent motion among the printing head assembly, the pressing roller set and the reading and writing module through different phases, and the printing and transmission efficiency is improved under the continuous rotation of the linkage shaft body.

Furthermore, the linkage shaft body is rotatably arranged in the printer transversely, and the first cam, the second cam driven gear and the third cam are arranged at one end of the linkage shaft body in a centralized manner, so that the transmission units (the first cam, the second cam, the driven gear and the third cam) on the cam shaft are arranged at the same side in a centralized manner, the compact arrangement of internal mechanisms of the printer is realized, and the maintenance and the replacement of a user are facilitated.

Furthermore, the card transmission device comprises at least three transmission rollers synchronously driven by the same motor, a first transmission roller of the transmission rollers drives the card to enter the transmission device, a second transmission roller drives the card to enter a read-write area for reading and writing, a third transmission roller drives the card to enter a printing area for printing, the card is sequentially read, written, printed and transmitted, and all mechanisms are tightly connected and matched, so that the whole volume of the certificate card printer is more compact.

Furthermore, the card is reasonably arranged in the main machine body and the storage bin body through the transmission rollers, so that the high-efficiency transmission of the card is ensured. The first transmission roller is arranged on the storage bin body, the second transmission roller and the third transmission roller are arranged on a printing transmission path in the main machine body, and the card is pushed to the first transmission roller through the card pushing device, so that the card is conveyed to the printing transmission path in the main machine body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic exploded view of an identification card printer according to an embodiment of the present invention;

FIG. 2 is a schematic exploded view of FIG. 1 in the A-A direction;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a schematic view of the construction of the camshaft of FIGS. 2/3;

FIG. 5 is a schematic structural diagram of an identification card printer according to an embodiment of the present invention at a first viewing angle;

FIG. 6 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 7 is a schematic structural diagram of an identification card printer according to an embodiment of the present invention at a second viewing angle;

FIG. 8 is an enlarged partial schematic view of region I of FIG. 7;

FIG. 9 is a schematic view of the structure of FIG. 7 from another perspective;

FIG. 10 is a schematic cross-sectional view of FIG. 7;

FIG. 11 is a schematic structural diagram of an identification card printer according to an embodiment of the present invention at a third viewing angle, wherein the print head is in a print state;

FIG. 12 is a schematic view of the printhead of FIG. 11 at the end of printing or during a card non-printing process;

FIG. 13 is a cross-sectional view of FIG. 10 from another perspective;

FIG. 14 is a schematic structural diagram of an identification card printer according to an embodiment of the present invention at a fifth viewing angle;

fig. 15 is a cross-sectional view of fig. 14 from another perspective.

Icon: 1-a main body; 2-a storage bin body; 21-a sheet input port; 22-inclined bottom; 3-a printhead assembly; 31-an adjusting seat; 4-a set of press rollers; 5-a reader-writer; 51-magnetic stripe reader-writer; 52-chip reader; 6-a camshaft; 61-linkage shaft body; 62-a first cam; 63-a second cam; 64-a driven gear; 65-a third cam; 7-card transport means; 71-a motor; 72-first transfer roll; 73-a second transport roller; 74-third transfer roller; 75-a fourth transfer roller; 8-card pushing means; 9-recovering the bin body; 91-a paper sheet recovery port; 10-a drive roller; 11-a movable press roll; 12-an input section; 13-a recovery section; 14-a turning device; 141-a turnover mechanism; 142-a roller set; 15-a paper pressing roller; 16-a swing mechanism; a-card.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

With reference to fig. 1 to 6, the present embodiment provides a compact multifunction card printer, which comprises a main body 1 and a storage bin 2 for loading cards to be processed.

In the present embodiment, the main body 1 is provided with a printhead assembly 3, a pressing roller set 4, a read/write module 5, and a cam shaft 6 for driving a plurality of stations to operate simultaneously along a printing transport path. The cam shaft 6 is provided with a plurality of cams, each cam drives at least one of the printing head assembly 3, the pressing roller group 4 and the read-write module 5 to relatively operate, and synchronously and independently controls the printing head assembly 3, the pressing roller group 4 and the read-write module 5 to relatively operate through different phases. Be equipped with in same host computer body 1 and beat printer head assembly 3, press roller set 4, read-write module 5 and drive the camshaft 6 of a plurality of stations simultaneous workings, closely link up the cooperation between each work module for the whole volume of card printer is more compact.

Specifically, the camshaft includes a linkage shaft body 61, and a first cam 62, a second cam 63, a driven gear 64 and a third cam 65 respectively sleeved on the linkage shaft body 61. The first cam 62 abuts against the lower end of the printhead assembly 3 to synchronously drive the printhead assembly 3 to move up and down along the printing transmission path to approach or leave the printing paper. The second cam 63 drives the pressing roller set 4 to be linked with the print head assembly 3, and correspondingly presses and conveys the printing paper or relatively retreats the printing paper. The driven gear 64 is connected to an external driving member to continuously rotate the linkage shaft body 61. The third cam 65 drives the read-write block 5 to change from the initial position to a read-write position close to the printing paper fed to the read-write area. The printing head assembly 3 is close to the printing paper and corresponds to the pressing roller set 4 to relatively avoid the printing paper, or the printing head assembly 3 is far away from the printing paper and corresponds to the pressing roller set 4 to press and convey the printing paper. The protruding part of the second cam 63 may be arranged at an angle to the first cam 62 to control the pressing roller set 4 to cooperate with the printhead assembly 3. It should be noted that the driven gear 64 may be connected to an external driving member through a chain, and the chain is sleeved between the driven gear 64 and an output shaft gear of the external driving member to transmit the chain to the driven gear 64, so that the linkage shaft body 61 sleeved by the driven gear 64 continuously rotates along with the external driving member.

In the present embodiment, the first cam 62 drives the print head 3 to move to print on the card to be processed, which can be realized by abutting the adjusting seat 31 arranged in the main body 1 in a lifting manner on the first cam 62, and arranging the print head 3 on the adjusting seat 31. The pressing roller set 4 is rotatably disposed in the main body 1 by a swing mechanism, and the swing mechanism is driven to reciprocate by a second cam 63, so that the pressing roller set 4 correspondingly presses and conveys the card or relatively avoids the card to print the card. The movement of the set of rollers 4 may be controlled by a second cam 63 driven linkage to rotate relative to one another to move the set closer to or farther from the card. In addition, the movement of the reader/writer 5 to read/write the card to be processed may be controlled by direct contact of the reader/writer 5 with a cam or indirect control via a link mechanism. In the present embodiment, the reader/writer 5 includes a magnetic stripe reader/writer 51 and a chip reader/writer 52, and the magnetic stripe reader/writer 51 and the chip reader/writer 52 are arranged at different positions in the main body 1, so that the two readers/writers can be driven together by the same cam. Alternatively, the magnetic stripe reader/writer 51 and the chip reader/writer 52 are read/written by different cams. The convex portion of one of the cams abuts against the magnetic stripe reader/writer 51 to drive the magnetic stripe reader/writer 51 to move relatively close to the magnetic stripe position of the card. The other cam is used to push the chip reader/writer 52 to rotate through a transmission mechanism such as a link to read/write the card to be processed, or directly push the card to be processed, which is not described herein.

Further, the linking shaft body 61 is rotatably disposed transversely inside the printer, and the first cam 62, the second cam 63, the driven gear 64, and the third cam 65 are collectively disposed at one end of the linking shaft body 61. The two ends of the linkage shaft body 61 are respectively rotatably supported and arranged on the printer, and the shaft body is transversely arranged in the printer in a penetrating manner. The first cam 62, the second cam 63, the driven gear 64 and the third cam 65 are collectively arranged at the same side position of the linkage shaft body 61, the first cam 62 is positioned at one end part close to the linkage shaft body 61, and the third cam 65 is positioned at the middle point position close to the linkage shaft body 61 and at the same side position of the shaft body with other transmission units, so that the transmission units on the cam shaft 6 are collectively arranged, and the compact arrangement among internal mechanisms of the printer is ensured.

Referring to fig. 7 to 13, the identification card printer of the present application further includes a card pushing device 8 and a card transporting device 7. The card conveying device 7 comprises a motor 71 and at least three conveying rollers uniformly driven by the motor 71, and the motor 71 and each conveying roller are driven by gears, chains or belts so as to synchronously drive the conveying rollers to rotate. The transport rollers include at least a first transport roller 72 for driving the card into the transport device 7, a second transport roller 73 for driving the card into the magnetic stripe read/write area 51 for reading and writing, and a third transport roller 74 for driving the card into the printing area for printing. The card pusher 8 is arranged on the storage magazine 2 and pushes the card a to be processed onto the first transport roller 72.

Specifically, cards a are stacked in layers in the storage bin 2. The storage bin is correspondingly provided with a paper sheet input port 21, and the card A enters the main machine body 1 through the paper sheet input port 21. The magazine is provided with an inclined bottom 22, the input opening 21 being provided in the inclined bottom 22, and the magazine being capable of transporting cards to be printed in the direction of the input opening 21. Where the card a is placed on an inclined bottom 22 in the storage compartment, the card pusher 8 may be a conveyor or a roller assembly that transports the card a along the inclined bottom 22 to the input port 21.

Preferably, the first transporting roller 72 is disposed on the storage bin 2, and the first transporting roller 72 is disposed at the input port 21 for transporting the card a to the main body 1 through the input port 21. After the printed card a is recovered, the pusher device 8 pushes a new card a to be processed into the first transport roller 72. Through the reasonable layout of the transmission rollers on the main machine body 1 and the storage bin body 2, the high-efficiency transmission of the card A is ensured. The first conveying roller 72 is disposed on the storage bin 2, the second conveying roller 73 and the third conveying roller 74 are disposed on the printing conveying path in the main body 1, and the card is pushed onto the first conveying roller 72 by the card pushing device 8, so that the card a is conveyed to the printing conveying path in the main body 1.

Through being equipped with in this application and beating printer head assembly 3, magnetic stripe read write line 51 and promote the card from the storage storehouse body 2 to the card thrust unit 8 that the host computer body 1 removed, drive card A along the card transmission device 7 that the printing transmission path carried, guaranteed functions such as the card A is at the storage storehouse body 2 to the ascending reading and writing of host computer body 1 side, is printed and is carried. The card conveying device 7 comprises at least three conveying rollers synchronously driven by the same motor 71, a first conveying roller 72 of each conveying roller drives a card to enter the conveying device 7, a second conveying roller 73 drives the card A to enter a magnetic stripe reading and writing area for reading and writing, a third conveying roller 74 drives the card A to enter a printing area for printing, reading and writing, printing and conveying of the card A are sequentially carried out, and all mechanisms are closely connected and matched.

Referring to fig. 7 and 10, fig. 11, fig. 12 and fig. 13, a recovery bin 9 for recovering the processed cards is disposed below the storage bin 2, and the recovery bin 9 is disposed on the main body 1 and disposed up and down opposite to the storage bin 2. In this embodiment, the recovery bin 9 is correspondingly provided with a paper scrap recovery opening 91, and the card is conveyed to the printing area in the forward direction and conveyed to the recovery bin 9 in the reverse direction through the conveying roller. After the card is conveyed to the main body 1 along the input port 21 of the storage bin body positioned above and is printed, the card is obliquely output along the paper sheet recovery port 91 of the recovery bin body 9 positioned below, so that the compact arrangement of the printer is realized. It should be noted that, a driving roller 10 and a movable pressing roller 11 matched with the driving roller 10 are installed on one side of the main body 1 close to the storage bin body and the recovery bin body 9, and extend obliquely towards two sides with the driving roller 10 as the center, so as to form an input section 12 matched with the inclined bottom 22 of the storage bin and a recovery section 13 matched with the recovery opening 91. The movable pressure roller 11 is adjusted to be shifted left and right correspondingly under the forward and reverse rotation of the driving roller 10 to change the card conveying direction and change the card conveying path. In other embodiments, the card may be fed forward and recycled backward by a reversing mechanism or an adjusting mechanism, which is not described herein.

Referring to fig. 10 and 13, the chip reader 52 of the present application is disposed on the main body 1, and a fourth transport roller 75 for driving the card into the chip reading/writing area is disposed below the chip reader 52. In the present embodiment, the first conveying roller 72, the second conveying roller 73, the third conveying roller 74, and the fourth conveying roller 75 are arranged in order along the printing conveying path. The print head assembly 3 is located above the third conveying roller 74 to move up and down to correspondingly avoid or abut against the card conveyed to the third conveying roller 74, so that the card is conveyed and printed. The chip reader/writer 52 is provided on the printing transfer path in the main body 1 on the side away from the printing area. When the fourth transport roller 75 transports the card to the read/write area, the chip reader/writer 52 moves toward the card in the read/write area, and the card is read/written.

Referring to fig. 14 and 15, the identification card printer of the present application further includes a turning device 14. The turning device 14 is arranged on the other side of the main body 1 opposite to the storage bin body 2. After the card is printed and read through the main machine body 1, the card is conveyed to the turnover device 14 far away from one side of the storage bin body 2, so that the card is turned over, and then the card is conveyed to the main machine body 1 to be printed on the back side.

Further, the turnover device 14 is detachably disposed on the main body 1, so as to facilitate the installation and removal of the turnover device 14. In the duplex printing process, the turning device 14 is mounted to the main body 1 to perform duplex printing of the card. When only single-side printing is needed, the turnover device 14 is detached and replaced by the original side cover plate, so that the turnover device and the original side cover plate can be replaced conveniently.

Specifically, the turnover device 14 includes a driving member (not shown) and a turnover mechanism 141 in transmission connection with the driving member. The flipping mechanism 141 has a roller set 142 for transporting the card and fixing the card relatively, and the roller set 142 is adapted to the direction of the printing transmission path and located on the same plane for receiving the card transmitted to the flipping mechanism 14 through the main body 1. After the roller set 142 fixes the card, the driving member drives the turning mechanism 141 to rotate 180 ° along the central position thereof, so that the reverse side of the card faces upward and is placed in the turning mechanism 141. The card is transported back into the printing transport path in the main body 1 by the reverse transport of the roller group 142, completing the turning of the card. It should be noted that the turning mechanism 141 may be an existing structure such as a turntable or a turntable, and can drive the card to rotate 180 ° as a whole, which is not described herein again. A gap for conveying the card is formed between the turnover mechanism 14 and the main body 1 so as to realize the back and forth conveying of the card between the turnover mechanism and the main body.

Referring to fig. 7, 8 and 12, the pressing roller group 4 includes a platen roller 15. The platen roller 15 corresponds at least to a part of the transport roller on the transport device 7. In this embodiment, referring to the matching manner of the second cam 62 and the pressing roller set 4, the platen roller 15 may be rotatably disposed in the main body 1 through the swing mechanism 16 to relatively rotate to approach or relatively move away from the corresponding conveying roller, so as to correspondingly press and convey the card, or relatively move away from the card for printing the card. It will be appreciated that the swing mechanism 16 may be controlled to rotate the platen roller 14 to move relatively closer to or further away from the corresponding transport roller under the control of an external drive member (e.g., a cam shaft).

Further, at least one of the platen rollers 15 located on both sides of the print head assembly 3 is movable. In the present embodiment, the platen roller 15 is disposed corresponding to the fourth conveyance roller 74 and the second conveyance roller 72, respectively. The printing area is located between the fourth transmission roller 75 and the second transmission roller 73, and the printing head assembly 3 capable of lifting and moving is correspondingly matched with the third transmission roller 74, so that the printing and the conveying of the card are ensured. And the print head assembly 3 and the platen roller 15 are interlocked, when the print head assembly 3 is close to or far from the card at the third transport roller 74, the platen roller 15 is opposite to the second transport roller 73 or the fourth transport roller 75 to be far away from or press the card. The cooperation sets up the printer head assembly 3 between second conveying roller 73 and fourth conveying roller 75, and printer head 3 subassembly descends and moves when butt to the card, begins to print to the card, and the dancer roll 15 keeps away from the conveying roller that corresponds with it this moment to dodge the card, guarantee to print the in-process card and do not receive the jamming of pressing of dancer roll 15. When the print head assembly 3 ascends and moves away from the card, the printing is finished or the card is not printed, and at the moment, the platen roller 15 abuts against the card positioned on the corresponding conveying roller so as to press and convey the card, so that the card is pressed to be synchronously and stably conveyed.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims (10)

1. A compact multifunctional certificate printer is characterized by comprising a host body and a storage bin body for loading a card to be processed, wherein a printing head assembly, a pressing roller set, a reading and writing module and a cam shaft for driving a plurality of stations to work simultaneously are distributed on the host body along a printing transmission path; the cam shaft is provided with a plurality of cams, each cam at least drives one of the printing head assembly, the pressing roller group and the reading and writing module to relatively operate, and the synchronous linkage respectively controls the relative independent work among the printing head assembly, the pressing roller group and the reading and writing module through different phases.

2. The compact multifunctional certificate printer as claimed in claim 1, wherein said cam shaft comprises a linkage shaft body and a first cam, a second cam, a driven gear and a third cam respectively sleeved on said linkage shaft body; the first cam is abutted against the lower end position of the printing head component so as to synchronously drive the printing head component to correspondingly approach or depart from printing paper; the second cam drives the pressing roller group to be linked with the printing head assembly, and correspondingly presses and conveys printing paper or relatively avoids the printing paper; the driven gear is connected with an external driving piece so as to enable the linkage shaft body to rotate continuously; the third cam drives the read-write module to change from the initial position to a read-write position close to the printing paper conveyed to the read-write area; the printing head assembly is close to printing paper and corresponds the relative printing paper of dodging of pressing roller set, perhaps the printing head assembly is kept away from printing paper and is corresponded printing paper the pressing roller set is pressed and is carried printing paper.

3. The compact document and card printer of claim 2 wherein the axle linkage is rotatably disposed transversely within the printer, and the first cam, second cam, driven gear and third cam are collectively disposed at one end of the axle linkage.

4. The compact multifunctional certificate card printer of claim 1, further comprising a card pushing device and a card transporting device, wherein the card transporting device comprises a motor and at least three transporting rollers uniformly driven by the motor, and the transporting rollers comprise at least a first transporting roller for driving the card to enter the transporting device, a second transporting roller for driving the card to enter the read/write area for reading and writing, and a third transporting roller for driving the card to enter the print area for printing; the card pushing device is arranged on the storage bin body and used for pushing the card to be processed to the first conveying roller.

5. The compact multiple function identification card printer of claim 4 wherein said first transport roller is disposed on said storage bin; after the card being processed is recovered, the pusher pushes a new card to be processed into the first transport roller.

6. The compact multifunctional card printer of claim 1, wherein a recovery bin is disposed under the storage bin for recovering the processed card, and the recovery bin is disposed on the main body.

7. The compact multiple function identification card printer of claim 1 further comprising a chip reader disposed on said main body and a fourth transport roller disposed below said chip reader for driving a card into a chip read/write area.

8. The compact multifunctional certificate card printer of claim 1, further comprising a flipping mechanism, said flipping mechanism being disposed on the other side of said main body opposite to said storage compartment.

9. The compact multiple function identification card printer of claim 4 further comprising a platen roller, said platen roller corresponding to at least a portion of the transport rollers on said transport device.

10. The compact multiple function identification card printer of claim 9 wherein at least one of the platen rollers on either side of the print head is movable.

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