CN220075939U

CN220075939U - Thermal printer

Info

Publication number: CN220075939U
Application number: CN202321505055.9U
Authority: CN
Inventors: 梁智伟
Original assignee: Xiamen Miaobao Technology Co ltd
Current assignee: Xiamen Miaobao Technology Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-11-24
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a thermal printer, comprising: the host machine comprises a shell, wherein a paper feeding channel and a card paper bin communicated with the paper feeding channel are arranged in the shell; the paper feed roller assembly is arranged in the shell and comprises a paper feed roller arranged in the paper feed channel; the printing head assembly is arranged in the shell and comprises a printing head arranged in a paper outlet of the paper feeding channel; the printing roller assembly is arranged in the shell and comprises a printing roller which is arranged in a paper outlet of the paper feeding channel and is opposite to the printing head; card printing paper is stacked in the card paper bin, the card printing paper at the lowest part is contacted with the paper feeding roller, the card printing paper is driven to be output into the paper feeding channel from the card paper bin by controlling the paper feeding roller to rotate, and the card printing paper is conveyed between the printing head and the printing roller for thermal printing. The thermal printer provided by the utility model realizes thermal printing of card printing paper, meets different printing scene requirements of users, and improves the use experience of the users.

Description

Thermal printer

Technical Field

The utility model relates to the technical field of thermal printing, in particular to a thermal printer.

Background

The thermal printing technology is widely applied at present, and is used for printing various documents in various fields of cashing, catering, banks, express delivery and the like throughout various industries of society. In recent years, the application field of the thermal printing technology is gradually covered from commercial applications to consumer products, such as home consumer products including student question printers, children's cameras, and the like, and the scale of the home market is gradually increased.

Most of the existing thermal printers adopt roll printing paper, and the roll printing paper is placed in a paper bin in the thermal printer, so that continuous printing is realized. For example, the utility model of China patent application No. 201710013693.1, entitled Portable high speed thermal Printer, relates to a portable high speed thermal printer, including a housing, a rubber roller assembly, a thermal printer core, a drive motherboard, and a motor. The shell is provided with the base, the upper cover and the top cover which can be mutually combined together, the paper outlet is arranged at the top of the shell, the thermal printer core is arranged in the installation cavity formed by the upper cover and the base and is close to the installation opening on the top cover, the rubber roller assembly is arranged on the top cover and is matched with or separated from the thermal printer core along with whether the top cover is opened or not, and the assembly of the whole structure is reasonable; the setting in interior scroll storehouse not only portable, also be convenient for load and unload the scroll, take out the back with the scroll from interior scroll storehouse, can also follow the top cap and directly advance A4 thermal paper with the junction clearance of base involution department, carry out the flatbed printing, enlarged the application scope of printer.

However, there are more and more printing demands for card printing paper, such as word cards, character cards, spelling cards, etc., using card printing paper, so how to solve the thermal printing of card printing paper is a technical problem to be solved by the present utility model.

In view of this, the present utility model has been made.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a thermal printer, which adopts the following technical scheme:

a thermal printer, comprising:

the host machine comprises a shell, wherein a paper feeding channel and a card paper bin communicated with the paper feeding channel are arranged in the shell;

the paper feed roller assembly is arranged in the shell and comprises a paper feed roller arranged in the paper feed channel;

the printing head assembly is arranged in the shell and comprises a printing head arranged in a paper outlet of the paper feeding channel;

the printing roller assembly is arranged in the shell and comprises a printing roller which is arranged in a paper outlet of the paper feeding channel and is opposite to the printing head;

card printing paper is stacked in the card paper bin, the card printing paper at the lowest part is contacted with the paper feeding roller, the card printing paper is driven to be output into the paper feeding channel from the card paper bin by controlling the paper feeding roller to rotate, and the card printing paper is conveyed between the printing head and the printing roller for thermal printing.

As an alternative embodiment of the utility model, the paper feed roller assembly comprises a paper feed roller motor and a paper feed roller transmission mechanism, and the paper feed roller motor drives the paper feed roller to rotate through the paper feed roller transmission mechanism.

As an alternative embodiment of the utility model, the paper feed roller transmission mechanism comprises a first motor shaft gear, a multi-stage paper feed duplex gear and a paper feed roller gear, wherein the first motor shaft gear is fixed on a motor shaft of the paper feed roller motor, the paper feed roller gear is fixed on the paper feed roller, and the first motor shaft gear is meshed with the paper feed roller gear through the multi-stage paper feed duplex gear for transmission.

As an alternative embodiment of the utility model, the paper feeding roller comprises a hard shaft core and a soft shaft sleeve, the soft shaft sleeve is sleeved on the hard shaft core, and the paper feeding roller gear is fixed on the hard shaft core.

As an alternative implementation mode of the utility model, the paper feeding roller comprises a one-way bearing, the one-way bearing is sleeved on the hard shaft core, the soft shaft sleeve is sleeved on the outer ring of the one-way bearing, and the rotation of the hard shaft core is transmitted unidirectionally through the one-way bearing to drive the soft shaft sleeve to rotate unidirectionally so as to drive the card printing paper to be output from the card paper outlet.

As an alternative embodiment of the present utility model, a plurality of friction ribs are uniformly distributed on the outer peripheral wall of the soft shaft sleeve along the circumferential direction, and the friction ribs are arranged to extend along the central axis of the soft shaft sleeve.

As an alternative embodiment of the utility model, the hard shaft core is a metal shaft core, the soft shaft sleeve is a silica gel shaft sleeve, and the cross section of the silica gel shaft sleeve is provided with a tooth-shaped outline.

As an alternative embodiment of the utility model, the printing roller assembly comprises a printing roller motor and a printing roller transmission mechanism, and the printing roller motor drives the printing roller to rotate through the printing roller transmission mechanism.

As an alternative embodiment of the utility model, the printing roller transmission mechanism comprises a second motor shaft gear, a multi-stage printing duplex gear and a printing roller gear, wherein the second motor shaft gear is fixed on a motor shaft of the printing roller motor, the printing roller gear is fixed on the printing roller, and the second motor shaft gear is meshed with the printing roller gear through the multi-stage printing duplex gear for transmission.

As an alternative embodiment of the present utility model, a thermal printer of the present utility model includes a card printing cartridge device including a housing having a card cartridge therein, the housing having a card outlet and a paper feed port communicating with the card cartridge; the shell is provided with a bin opening communicated with the paper feeding channel;

card printing paper is stacked in the card paper bin of the card printing paper bin device, the card printing paper bin device is inserted into the bin opening, the paper feeding roller stretches into the paper feeding opening, the card printing paper is driven to be output into the paper feeding channel through controlling the paper feeding roller to rotate, and the card printing paper is conveyed to a position between the printing head and the printing roller for thermal printing.

Compared with the prior art, the utility model has the beneficial effects that:

according to the thermal printer, continuous paper feeding of card printing paper is realized through the paper feeding roller assembly, thermal printing of the card printing paper is realized, the thermal printer can be used for printing word cards, character learning cards, spelling cards and the like, different printing scene requirements of users are met, and the use experience of the users is improved.

Description of the drawings:

FIG. 1 is a schematic perspective view of a thermal printer according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a thermal printer host (card hopper built in) according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the overall three-dimensional structure of a thermal printer (external card hopper) according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a host open state (external card hopper) of a thermal printer according to an embodiment of the present utility model;

FIG. 5 is an exploded view of a host computer (external card hopper) of a thermal printer according to an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a host computer (external card hopper) of a thermal printer according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view of a thermal printer (external card hopper) according to an embodiment of the present utility model;

FIG. 8 is a schematic perspective view of an upper housing of a thermal printer (an external card hopper) according to an embodiment of the present utility model;

fig. 9 is a schematic perspective view (front view) of a card printing paper magazine apparatus according to the embodiment of the present utility model;

fig. 10 is a schematic perspective view (back side) of a card printing paper cartridge device according to the embodiment of the present utility model;

FIG. 11 is a schematic perspective view of a cover assembly of a card printing cartridge device according to an embodiment of the present utility model;

FIG. 12 is a schematic diagram showing a perspective view of a cover assembly of the card printing cartridge device according to the second embodiment of the present utility model;

FIG. 13 is a schematic perspective view of a lower cover housing of the card printing cartridge device according to the embodiment of the present utility model;

FIG. 14 is an exploded view of a card printing cartridge device of the embodiment of the present utility model;

FIG. 15 is a cross-sectional view of a card printing cartridge device of an embodiment of the utility model;

FIG. 16 is a schematic view showing a structure in which a card holder is installed in a card hopper of the card printing hopper device according to the embodiment of the present utility model;

FIG. 17 is an exploded view of a card printing cartridge device of an embodiment of the present utility model (a card reader is installed in a card cartridge);

FIG. 18 is an assembly view of a lower housing of a thermal printer according to an embodiment of the present utility model;

fig. 19 is a schematic view showing the state of cooperation between the card printing paper hopper device and the paper feed roller in the embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1 and 2, a thermal printer according to the present embodiment includes:

the host 100 comprises a casing, wherein the casing is internally provided with a paper feeding channel 117 and a card paper bin 500 communicated with the paper feeding channel 117;

a paper feed roller assembly disposed in the housing and including a paper feed roller 106 disposed in the paper feed passage 117;

a printhead assembly disposed in the housing and including a printhead 108 disposed in a paper exit 117A of the paper feed path 117;

a print roller assembly disposed in the casing and including a print roller 107 disposed in a paper outlet 117A of the paper feed path 117 opposite to the print head 108;

card printing paper 400 is stacked in the card paper bin 500, the card printing paper 400 at the lowest part is contacted with the paper feeding roller 106, the paper feeding roller 106 is controlled to rotate so as to drive the card printing paper 400 to be output into the paper feeding channel 117 from the card paper bin 500, and the card printing paper 400 is conveyed between the printing head 108 and the printing roller 108 for thermal printing.

The thermal printer of this embodiment realizes the continuous paper feed of card printing paper through paper feed roller subassembly, realizes the thermal print of card printing paper, can be used to print word card, literacy card, pinyin card etc. satisfies the different printing scene demands of user, promotes user's use experience.

Referring to fig. 1 and 3 to 8, a thermal printer according to the present embodiment includes:

the host 100 includes a housing having a paper feed passage 117 and a roll paper magazine 105 communicating with the paper feed passage 117 inside the housing;

the card printing paper bin device 200 is internally provided with a card paper bin 500, a bin opening is formed in the machine shell, and the card printing paper bin device 200 is detachably inserted into the bin opening and extends into the paper feeding channel 117;

the roll paper bin 105 is used for placing the roll paper 300, the card printing bin device 200 is used for stacking the card printing paper 400, the card printing paper bin device 200 is inserted into the bin opening, the card printing paper 400 in the card printing paper bin device 200 is transmitted into the paper feeding channel 117, the card printing paper bin device 200 is pulled out of the bin opening, and the roll printing paper 300 in the roll paper bin 105 is transmitted into the paper feeding channel 117.

In the thermal printer of the embodiment, a roll paper bin 105 is arranged in a shell and used for placing roll printing paper 300 to realize printing of the roll printing paper; in addition, the card printing paper magazine device 200 is detachably inserted into the casing, and the card printing papers 400 stacked in the card printing paper magazine device 200 can be continuously transferred into the paper feed passage 117 to realize printing of the card printing papers 400. Therefore, the thermal printer of the embodiment can be compatible with printing of the roll printing paper 300 and the card printing paper 400, meets different printing scene requirements of users, reduces purchase cost of the users, reduces occupied space for placement, and improves use experience of the users.

In addition, the card printing paper cartridge device 200 of the present embodiment adopts a separate design with the host 100, and has the following advantages:

1. the volume of the host 100 can be greatly reduced, and the structure of the host 100 can be simplified accordingly.

2. The card printing paper bin device 200 can be sold as a standard component, is matched with the host 100 with different appearances like consumable materials, and reduces the cost of a mould and the cost of the whole machine material developed by the host 100.

3. The card printing paper cartridge device 200 is simpler to exchange the card printing paper, and the appearance and the color of the card printing paper cartridge device 200 can be changed according to the preference of the customer.

4. The switching of the card consumables of different specifications and sizes is realized by replacing the card printing paper cartridge device 200 of different specifications.

5. The host 100 can be sold independently without the card printing paper bin device 200, so that the user only needing to print the roll printing paper can be satisfied, and the cost for purchasing the host 100 is greatly reduced; if the user needs to print card printing paper, only the accessories of the card printing paper holder device 200 need to be purchased separately.

As an alternative implementation manner of this embodiment, referring to fig. 1-14, a thermal printer of this embodiment includes a paper feeding assembly, where the paper feeding assembly includes a paper feeding roller 106 correspondingly disposed in a paper feeding channel 117, the paper feeding channel 117 is located at one side of a paper winding bin 105, a bin opening is formed on a housing at the other side of the paper winding bin 105, a card printing bin device 200 is inserted into the bin opening, and is abutted in the paper feeding channel 117 through the paper winding bin 105, a paper feeding opening 204 is formed on the card printing bin device 200, the paper feeding roller 106 contacts with a card printing paper 400 in the card printing bin device 200 through the paper feeding opening 204, and the paper feeding roller 106 rotates to pull the card printing paper 400 into the paper feeding channel 117.

The thermal printer of the present embodiment achieves thermal printing of the card printing paper 400 by providing the paper feed roller 106 in the paper feed path 117, contacting the card printing paper 400 in the card printing paper magazine apparatus 200, and driving the card printing paper 400 to rotate by controlling the paper feed roller 106 to be output from the card printing paper magazine apparatus 200 into the paper feed path 117.

Referring to fig. 18 and 19, as an alternative implementation of the present embodiment, the paper feeding roller assembly of the present embodiment includes a paper feeding roller motor 115 and a paper feeding roller driving mechanism 112, where the paper feeding roller motor 115 drives the paper feeding roller 106 to rotate through the paper feeding roller driving mechanism 112.

Specifically, the paper feeding roller transmission mechanism comprises a first motor shaft gear 115A, a multi-stage paper feeding duplex gear 112A and a paper feeding roller gear 112B, wherein the first motor shaft gear 115A is fixed on a motor shaft of the paper feeding roller motor 115, the paper feeding roller gear 112B is fixed on the paper feeding roller 106, and the first motor shaft gear 115A is in wheel engagement transmission with the paper feeding roller gear 112B through the multi-stage paper feeding duplex gear 112A. The paper feed roller motor 115 of this embodiment performs a speed reduction transmission through the paper feed roller transmission mechanism 112, and drives the paper feed roller teeth 112B to drive the paper feed roller 106 to rotate.

As an alternative implementation of this embodiment, the paper feeding roller 106 includes a hard shaft core 106C and a soft shaft sleeve 106A, the soft shaft sleeve 106A is sleeved on the hard shaft core 106C, and the paper feeding roller gear 112B is fixed on the hard shaft core 106C. The contact friction force to the card printing paper can be increased through the soft shaft sleeve 106A, so that the card printing paper can be pulled out of the card paper bin more conveniently.

Further, the paper feeding roller 106 includes a unidirectional bearing 106B, the unidirectional bearing 106B is sleeved on the hard shaft core 106C, the soft shaft sleeve 106A is sleeved on an outer ring of the unidirectional bearing 106B, and rotation of the hard shaft core 106C is unidirectionally transmitted through the unidirectional bearing 106B, so that the soft shaft sleeve 106A is driven to unidirectionally rotate to drive the card printing paper to be output from the card paper outlet.

In this embodiment, the paper feeding roller 106 is internally provided with the unidirectional bearing 106B, and has resistance in forward rotation and no resistance in reverse rotation, when the card printing paper is conveyed to the position of the printing roller 107, the printing roller 107 and the paper feeding roller 106 press the card printing paper at the same time, the paper feeding roller 106 stops rotating and no torque is output, the printing roller 107 continues to operate to convey the card printing paper forward, and the paper feeding roller 106 has no resistance in reverse rotation due to unidirectional rotation of the paper feeding roller 106, so that smooth paper output of the card printing paper is ensured, and no paper jam is caused.

As an alternative implementation manner of this embodiment, in order to increase the friction force of the paper feeding roller 106 on the card printing paper, a plurality of friction raised strips are uniformly distributed on the peripheral wall of the soft shaft sleeve 106A along the circumferential direction, and the friction raised strips are extended along the central axis of the soft shaft sleeve 106A.

Specifically, the hard shaft core 106C in this embodiment is a metal shaft core, the soft shaft sleeve 106A is a silica gel shaft sleeve, and the cross section of the silica gel shaft sleeve is a tooth-shaped outline, so that the contact friction coefficient between the silica gel shaft sleeve and the card printing paper is high, the friction force is large, and the paper feeding is smooth.

Referring to FIG. 19, the outer diameter of the silica gel shaft sleeve of the embodiment is 12-16mm, and the outer diameter of the metal shaft core is 3-5mm; the interference value D3=0.3-0.7 mm between the paper feeding roller 106 and the card printing paper ensures that the silica gel sleeve and the card paper are well contacted; the relative position d2=8-15 mm of the paper feeding roller 106 and the card printing paper ensures that the stress position of the card paper is reasonable, and paper jam is not easy to occur in the paper feeding process.

A thermal printer of the present embodiment includes:

a printing roller assembly, which is disposed in the casing and includes a printing roller 107 disposed in a paper outlet 117A of the paper feed path 117 and opposite to the printing head 108.

One end of the roll paper 300 is clamped between the printing head 108 and the printing roller 107, the printing roller 107 rotates to drive the printing paper feeding of the roll paper 300, and the printing head 108 performs thermal printing on the roll paper 300;

the card printing paper 400 in the card printing paper magazine apparatus 200 is pulled out into the paper feed path 117 by the paper feed roller 106, transferred between the print head 108 and the print roller 107, and printed and fed by the print roller 107 to rotate the card printing paper 400, and thermally printed on the card printing paper 400 by the print head 108.

When the thermal printer of the embodiment prints the roll paper 300, since the roll paper 300 is continuous, continuous paper feeding of the roll paper 300 can be realized by the printing roller 107, so that continuous printing can be performed; the card printing paper 400 is stacked in the card printing paper magazine device 200, and the individual card printing papers 400 are independent, so that the thermal printer of the present embodiment can realize continuous paper feeding of the card printing paper 400 by providing the paper feeding roller 106 for driving and conveying the card printing paper 400 exclusively in the card printing paper magazine device 200, thereby performing continuous printing.

Referring to fig. 18, as an alternative implementation of the present embodiment, the printing roller assembly of the present embodiment includes a printing roller motor 114 and a printing roller transmission mechanism 113, where the printing roller motor 114 drives the printing roller 107 to rotate through the printing roller transmission mechanism 113.

Specifically, the printing roller transmission mechanism 113 includes a second motor shaft gear 114A, a multi-stage printing duplex gear 113A and a printing roller gear 113B, the second motor shaft gear 114A is fixed on a motor shaft of the printing roller motor 114, the printing roller gear 113B is fixed on the printing roller 107, and the second motor shaft gear 114A is meshed with the printing roller gear 113B through the multi-stage printing duplex gear 113A for transmission.

Referring to fig. 1 and fig. 3-fig. 8, as an alternative implementation manner of the present embodiment, the casing includes an upper casing 101 and a lower casing 102, one side of the upper casing 101 and one side of the lower casing 102 are connected in a reversible manner through a hinge 104, the upper casing 101 and the lower casing 102 form a paper feeding channel 117 therebetween in a buckled state, an upper casing groove 122 is disposed on an inner wall of the upper casing 101, a lower casing groove 123 is disposed on an inner wall of the lower casing 102, and the upper casing groove 122 and the lower casing groove 123 together form an installation chamber for inserting the card printing paper bin device 200 in the buckled state of the upper casing 101 and the lower casing 102. In this way, the mounting chamber and the paper feeding channel 117 have overlapping portions in height, so that sharing of the height space inside the casing is realized, the overall height of the casing is reduced, and the miniaturized structural design of the host 100 is realized.

Moreover, the card printing paper bin device 200 of the embodiment is inserted into the host 100 from the back of the paper winding 105, and the paper winding 105 can be used for the installation chamber of the card printing paper bin device 200, so that the utilization rate of the internal space of the casing is improved, the size specification of the casing is reduced, and the miniaturized structural design of the host 100 is facilitated.

As an alternative implementation of this embodiment, the paper feeding assembly of this embodiment is disposed in the lower housing 102, the paper feeding roller 106 of the paper feeding assembly is disposed in the lower housing groove 123, the card printing paper housing device 200 has a card paper outlet 213, and the card printing paper housing device 200 is inserted into the housing opening, and the card paper outlet 213 is in abutting communication with the paper feeding channel 117.

As an alternative implementation manner of the embodiment, the thermal printer comprises a movable door 103, the movable door 103 is provided with a door rotating shaft 119, the door rotating shaft 119 is rotatably installed in the door opening, a rotary torsion spring is sleeved on the door rotating shaft 119, one end of the rotary torsion spring is abutted to the casing, and the other end of the rotary torsion spring is abutted to the movable door 103. Thus, after the card printing paper cartridge device 200 is pulled out, the rotary torsion spring rotates the movable door 103 around the door rotating shaft 119 until the movable door 103 is closed, so that the appearance integrity of the host 100 and the sealing of the internal space are ensured.

Specifically, in this embodiment, an upper paper bin opening is formed in the upper casing 101, a lower paper bin opening is formed in the lower casing 102, and the upper paper bin opening and the lower paper bin opening form the bin opening together when the upper casing 101 and the lower casing 102 are in a buckled state; the movable bin gate 103 is rotatably arranged in the upper paper bin notch.

Referring to fig. 6, a thermal printer of the present embodiment includes a position detection switch 118, the position detection switch 118 is disposed in the housing, the card printing cartridge device 200 is inserted into the cartridge opening, and when the position detection switch 118 is triggered to be closed by the card printing cartridge device 200, the card printing cartridge device 200 is mounted in place. Therefore, the present embodiment can determine whether the current printing consumable is roll paper or card paper by the trigger state set by the position detection switch 118.

The thermal printer of the present embodiment includes a main control board 109 and a battery 116, the main control board 109 is installed in the upper housing 101, and the battery 116 is installed in the lower housing 102.

Example two

Referring to fig. 9 to 16, the present embodiment provides a card printing cartridge device including:

a housing having a card stock inside which card printing paper 400 is stacked;

the shell is provided with a card paper outlet 213 communicated with the card paper bin, and a paper feeding port 204 communicated with the card paper bin is formed in the side wall of the shell parallel to the card printing paper plane;

the card printing paper 400 stacked in the card hopper is driven by a paper feed roller extending into the card hopper through the paper feed port 204, and is output from the card paper outlet 213.

The card printing paper bin device of this embodiment is as independent consumptive material, and inside card paper bin holds card printing paper, can realize the thermal print of card printing paper through the host computer cooperation with the card printing paper bin device of this embodiment and thermal printer, can be used to print word card, literacy card, pinyin card etc..

Therefore, the card printing paper bin device of the embodiment can be sold as a standard component, is matched with a thermal printer host with different appearances like printing paper consumables, and reduces the mould cost and the whole machine material cost of the development of the thermal printer host.

The card printing paper bin device of the embodiment has simpler card printing paper exchanging operation, and the color and the appearance of the shell can be changed according to the preference of customers.

The card printing paper bin device of the embodiment can be compatible with and store card printing paper consumables of different specification and sizes, and the card printing paper consumables of different specification and sizes are switched.

As an alternative implementation of this embodiment, the housing in this embodiment includes:

a lower cover housing 202 having an interior open chamber;

an upper cover assembly 201 including an upper cover case 201 and a paper pressing sheet 205 mounted on the upper cover case 201;

the upper cover shell 201 is mounted on the open end of the lower cover shell 202, the card paper bin is formed by enclosing, the paper pressing piece 205 is pressed against the card printing paper 400 in the card paper bin, the card paper outlet 213 is formed on the side wall of the lower cover shell 202, and the paper feeding port 204 is formed on the bottom wall of the lower cover shell 202.

The upper cover assembly 201 of this embodiment includes a paper pressing sheet 205, and after the upper cover housing 201 is mounted on the lower cover housing 202, the paper pressing sheet 205 presses the card printing paper 400, so that the card printing paper 400 is tightly attached to the paper feeding port 204, and the card printing paper 400 and the paper feeding roller are ensured to be in good contact, and the paper feeding roller feeds the card printing paper 400 through friction force.

Further, in this embodiment, a first end of the paper pressing piece 205 is mounted on the inner wall of the upper cover housing 201 in a reversible manner, an elastic member 208 is disposed between a second end of the paper pressing piece 205 and the upper cover housing 201, and the second end of the paper pressing piece 205 is disposed near the paper feeding port 204.

In this embodiment, a first buckle 210 is disposed on an inner wall surface of the upper cover housing 201, a second buckle 211 is disposed on a wall surface of the paper pressing piece 205 facing the inner wall surface of the upper cover housing 201, and the first buckle 210 and the second buckle 211 are clamped to define a turnover angle of the second end of the paper pressing piece 205 relative to the upper cover housing 201.

The paper pressing piece 205 of this embodiment is fixed on the upper cover housing 201, one end of the paper pressing piece 205 is propped against the elastic piece 208, the other end of the paper pressing piece can rotate around the fixed pivot 207, the rotating stroke of the first buckle 210 and the second buckle 211 is not too large due to the clamping fit control, and under the condition that the number of paper sheets of card printing paper is reduced continuously, the paper pressing piece 205 can still provide continuous pressure for the card printing paper, so that the card printing paper is ensured to be sent out by the paper feeding roller.

A plurality of connection buckles 206 are circumferentially arranged on the inner wall of the upper cover shell 201 in the embodiment, and the upper cover shell 201 is clamped on the open end of the lower cover shell 202 through the connection buckles 206.

Referring to fig. 14 and 15, a card printing paper bin device of the present embodiment includes a paper blocking plate 212, an opening is formed on a side wall of the lower cover housing 202, the paper blocking plate 212 is inserted into the opening and is fastened and fixed, and the paper blocking plate 212 and the opening form the card paper outlet 213 therebetween.

Further, in this embodiment, a guiding bevel 214 is provided on an inner wall of the paper blocking plate 212 near the card paper outlet 213, so as to guide the card printing paper 400 in the card paper bin to be output from the card paper outlet 213.

In this embodiment, a guiding bevel 214 is disposed at the position of the card paper outlet 213 to guide the paper out, and the height D1 of the card paper outlet 213 is 1.5 times the thickness of the card printing paper, so as to ensure smooth paper out, and only one card printing paper is discharged at a time.

Referring to fig. 17 and 18, a card printing paper bin device of the present embodiment includes a card holder 215, the card holder 215 is fastened in the card paper bin, the card holder 215 has a card frame, and the card frame defines that the width of the loaded card printing paper is smaller than the width of the loaded card printing paper in the card paper bin.

The card printing paper bin device of the embodiment can realize compatibility of card printing paper with the same size specification aiming at card printing papers with different sizes specification through the card paper device 215, and meets the use requirement of a user on card printing papers with multiple sizes.

Referring to fig. 1 to 17, the card printing paper magazine apparatus of the present embodiment can be matched with the thermal printer of the first embodiment to realize printing of card printing paper, the thermal printer including:

the host 100 comprises a shell and a paper feeding roller 106, wherein a paper feeding channel 117 is formed in the shell, and the paper feeding roller 106 is arranged in the paper feeding channel 117;

the shell is provided with a bin opening communicated with the paper feeding channel 117, the card printing paper bin device 200 is inserted into the bin opening, and the paper feeding roller 106 extends into the paper feeding opening 204;

the card printing paper 400 is stacked in the card stock of the card printing paper stock device 200, and the card printing paper 400 is driven by the paper feed roller 106 extending into the paper feed port to be output from the card paper outlet 213 into the paper feed channel 117 for thermal printing.

As an alternative implementation manner of this embodiment, two sides of one end of the housing extending into the bin opening are respectively provided with a clamping groove 203, the housing is provided with an elastic buckle 121, the card printing paper bin device 200 is inserted into the bin opening, and the elastic buckle 121 is elastically deformed and clamped in the clamping groove 203.

As an alternative implementation of the present embodiment, the housing has a roll paper bin 105 inside that communicates with a paper feed passage 117; the card printing cartridge device 200 pulls out the cartridge opening, the roll paper cartridge 105 is loaded with the roll paper 300, and the roll paper 300 in the roll paper cartridge 105 is transferred into the paper feeding channel 117 for thermal printing.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims

1. A thermal printer, comprising:

2. A thermal printer according to claim 1 wherein said feed roller assembly comprises a feed roller motor and a feed roller drive mechanism, said feed roller motor driving said feed roller in rotation via said feed roller drive mechanism.

3. The thermal printer of claim 2 wherein said feed roller drive mechanism comprises a first motor shaft gear, a multi-stage feed duplex gear and a feed roller gear, said first motor shaft gear being secured to the motor shaft of said feed roller motor, said feed roller gear being secured to said feed roller, said first motor shaft gear being in meshed drive with said feed roller gear via said multi-stage feed duplex gear.

4. A thermal printer according to claim 3 wherein the feed roller comprises a hard hub and a soft sleeve, the soft sleeve is sleeved on the hard hub, and the feed roller gear is fixed on the hard hub.

5. The thermal printer of claim 4 wherein the paper feed roller comprises a one-way bearing, the one-way bearing is sleeved on the hard shaft core, the soft shaft sleeve is sleeved on the outer ring of the one-way bearing, and the rotation of the hard shaft core is transmitted unidirectionally through the one-way bearing, so that the soft shaft sleeve is driven to rotate unidirectionally to drive the card printing paper to be output from the card paper outlet.

6. The thermal printer of claim 4, wherein the plurality of friction ribs are uniformly distributed on the outer peripheral wall of the soft sleeve along the circumferential direction, and the friction ribs are arranged to extend along the central axis of the soft sleeve.

7. The thermal printer of claim 6 wherein the hard shaft is a metal shaft, the soft shaft is a silicone shaft, and the cross section of the silicone shaft is a toothed profile.

8. A thermal printer according to claim 1 wherein the print roller assembly comprises a print roller motor and a print roller drive mechanism, the print roller motor driving the print roller in rotation via the print roller drive mechanism.

9. The thermal printer of claim 8 wherein the print roller drive comprises a second motor shaft gear, a multi-stage print duplex gear, and a print roller gear, the second motor shaft gear being secured to the motor shaft of the print roller motor, the print roller gear being secured to the print roller, the second motor shaft gear being in meshed drive with the print roller gear via the multi-stage print duplex gear.

10. A thermal printer according to any one of claims 1 to 9, comprising a card printing cartridge device comprising a housing having a card cartridge therein, said housing having a card outlet and a feed opening communicating with said card cartridge; the shell is provided with a bin opening communicated with the paper feeding channel;