CN216683774U

CN216683774U - Pressing type printer

Info

Publication number: CN216683774U
Application number: CN202122974234.4U
Authority: CN
Inventors: 周永生
Original assignee: Shantou High Tech Zone Jusheng Technology Co ltd
Current assignee: Shantou High Tech Zone Jusheng Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-07
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a compact printer, which comprises a base, a driving motor, a printing rubber roll, a printing head support, a printing head and a carbon ribbon mechanism, wherein the printing rubber roll is rotatably arranged on the base and is in transmission connection with the driving motor; the both sides of frame are equipped with first buckle spare respectively, beat the both sides of printer head support and be equipped with respectively with first buckle spare matched with second buckle spare, its characterized in that: and the machine base is provided with a pull-down mechanism which can pull the two first buckling pieces downwards. The pressing type printer can improve the pressing force applied by the printing head and the printing rubber roller to the paper to be printed, ensures that the content printed on the paper is complete and clear, and is beneficial to improving the printing quality.

Description

Pressing type printer

Technical Field

The utility model relates to a printer, in particular to a compression printer.

Background

Thermal transfer printers are widely used because of their advantages of high printing speed, clear printed images, long storage time, etc.

The common thermal transfer printer comprises a printing mechanism and a carbon ribbon mechanism, wherein the printing mechanism comprises a printing head and a printing rubber roller which are oppositely arranged; the carbon tape mechanism comprises a dispensing shaft and a recovery shaft, wherein the dispensing shaft is used for supporting the unused carbon tape roll, and the recovery shaft is used for recovering the used carbon tape. When the carbon ribbon is installed, the unused carbon ribbon is led out from the carbon ribbon roll on the emission shaft, passes through the space between the printing head and the printing rubber roller and is rewound on the recovery shaft. When printing, the printing paper of waiting to print is carried to beating between printer head and the printing rubber roll, and the coating face of carbon ribbon and the surface contact who beats printing paper, and the non-coating face of carbon ribbon with beat printer head contact prints the rubber roll and retrieve the axle and rotate simultaneously, carry and beat printing paper and carbon ribbon and move downstream in step, simultaneously, beat printer head and compress tightly the carbon ribbon and print on the paper, when printing, the carbon ribbon carries out synchronous coiling, and the dyestuff that coats on the coating face of carbon ribbon is renditioned and is beaten printing paper. However, for some flexible paper, when the thermal transfer printer is used for printing, the problems of incomplete and unclear images or characters printed on the paper are easily caused by insufficient pressing force of the printing head and the printing rubber roller on the paper, the printing quality is seriously affected, the consumption of the carbon ribbon is also caused, and the printing cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a compact printer which can improve the pressing force applied by a printing head and a printing rubber roller to paper to be printed, ensure the complete and clear content printed on the paper and be beneficial to improving the printing quality. The technical scheme is as follows:

a compact printer comprises a base, a driving motor, a printing rubber roller, a printing head support, a printing head and a carbon belt mechanism, wherein the printing rubber roller is rotatably arranged on the base and is in transmission connection with the driving motor; the both sides of frame are equipped with first buckle spare respectively, beat the both sides of printer head support and be equipped with respectively with first buckle spare matched with second buckle spare, its characterized in that: and the machine base is provided with a pull-down mechanism which can pull the two first buckling pieces downwards.

Typically, the first fastener is a downwardly curved hook and the second fastener is an upwardly curved hook, the first and second fasteners being in hooking engagement with each other.

When the printing head bracket is used, the printing head bracket is pulled downwards to turn downwards around the pivoting position, so that the two second buckling pieces and the two first buckling pieces realize hooking and buckling matching, and the printing head is positioned above the printing rubber roller; subsequently, two first buckling pieces are pulled downwards through a pull-down mechanism, the two first buckling pieces drive the printing head support to continue to turn downwards around the pin joint position through the two second buckling pieces, the printing head, the carbon ribbon mechanism and the two second buckling pieces turn downwards around the pin joint position along with the printing head support, the distance between the printing head and the printing rubber roller is further reduced, the printing head tightly presses the carbon ribbon and the paper on the printing rubber roller, the coating surface of the carbon ribbon is ensured to be fully contacted with the surface of the soft paper, the content printed on the soft paper by the printing head is clear, and the printing quality is favorably improved. This kind of sticis formula printer can be through the hook and loop cooperation between two second fastener and two first fasteners, make and beat printer head and sticis carbon ribbon and paper on printing the rubber roll, rethread pull-down mechanism stimulates two first fasteners downwards, make and beat printer head and the interval of printing the rubber roll and further reduce, further improve printer head to the stiction of carbon ribbon and paper, thereby ensure the surface of scribbling of carbon ribbon and the surperficial abundant contact of soft paper, make and beat printer head also can print out clear content on soft paper, be favorable to improving printing quality.

In the preferred scheme, the pull-down mechanism comprises a rotating shaft, an operating lever and two pull-down components, the rotating shaft is rotatably arranged on the base and moves left and right, and the operating lever is fixedly arranged on the rotating shaft; the two pull-down components are respectively arranged on the left side and the right side of the base and are in transmission connection with the rotating shaft; the two first buckling pieces are respectively installed on the corresponding pull-down assemblies.

In a more preferable scheme, the pull-down assembly comprises an upper fixed seat, a lower fixed seat, a movable seat, a swinging block and an ejector rod, wherein the upper fixed seat and the lower fixed seat are both arranged on the base and are arranged side by side up and down; the swing block is fixedly arranged on the rotating shaft, an arc-shaped guide hole is formed in the swing block, and the distance between the first end of the arc-shaped guide hole and the rotating shaft is larger than the distance between the second end of the arc-shaped guide hole and the rotating shaft; the ejector rod is arranged on the movable seat and moves up and down, the lower end of the ejector rod is provided with a guide rod, and the guide rod is positioned in the corresponding arc-shaped guide hole and matched with the arc-shaped guide hole. When the guide device is used, after the two second fastening pieces and the two first fastening pieces are in hook-and-loop matching, the operating rod can be pulled, the swinging blocks of the two pull-down assemblies are driven to swing through the rotating shaft, so that the guide rod relatively slides to the second end of the arc-shaped guide hole from the first end of the arc-shaped guide hole, the movable seat and the first fastening pieces on the movable seat are pulled by the ejector rod to slide downwards along the guide pillar, and then the first fastening pieces are pulled downwards to move downwards.

In a further more preferable scheme, a locking hole position is arranged at the second end of the arc-shaped guide hole.

In a further more preferred scheme, the pull-down assembly still includes compression spring, compression spring set up down the fixing base with between the sliding seat, compression spring's lower extreme and lower fixing base in close contact with, compression spring's upper end and sliding seat in close contact with. The compression spring is used for applying upward acting force to the movable seat, so that the guide rod can slide in the arc-shaped guide hole more stably.

In still further more preferred scheme, be equipped with down the spring mounting groove on the top surface of lower fixing base, be equipped with the spring mounting groove on the bottom surface of sliding seat, compression spring's lower extreme, upper end are in spring mounting groove, last spring mounting groove down respectively. The lower spring mounting groove and the upper spring mounting groove are respectively used for limiting the lower end and the upper end of the compression spring, so that the position of the compression spring is stable.

In the preferred scheme, one end of the printing rubber roller is provided with a driving gear; the carbon ribbon mechanism comprises a carbon ribbon unwinding shaft, a carbon ribbon winding shaft, a winding gear and a transition gear set, wherein the carbon ribbon unwinding shaft and the carbon ribbon winding shaft are rotatably arranged on the printing head support, the winding gear is arranged at one end of the carbon ribbon winding shaft, and the winding gear is meshed with the driving gear through the transition gear set. When printing, the paper of waiting to print is carried to beating between the printer head and the printing rubber roll, and simultaneously, drive gear rotates under driving motor's drive, drive the rotation of carbon ribbon rolling axle through transition gear train and rolling gear, make the carbon ribbon convolute and beat below the printer head, beat printer head and print out content such as clear figure, characters on the corresponding part of paper, it is effectual to print, and the carbon ribbon of carbon ribbon mechanism is empty when can avoiding printing winds and causes the carbon ribbon extravagant in addition, save the carbon ribbon by a wide margin, reduce the printing cost.

In the preferred scheme, the pressing printer further comprises a paper supply groove, a paper separating mechanism and a paper feeding mechanism, wherein the paper supply groove, the paper feeding mechanism and the printing rubber roller are sequentially arranged on the base along the paper feeding direction, and the paper separating mechanism is arranged above the paper feeding mechanism. The paper feeding groove is used for storing and supplying paper for printing; the paper separating mechanism is used for separating single paper from the paper feeding groove; the paper feeding mechanism is used for conveying paper between the printing head and the printing rubber roller.

The paper feeding groove, the paper separating mechanism and the paper feeding mechanism can adopt the conventional structures, and the specific structure can refer to the Chinese patent specification with the application number of CN 201710208696.0.

Compared with the prior art, the utility model has the following advantages:

this kind of sticis formula printer can be through the hook and loop cooperation between two second fastener and two first fasteners, make and beat printer head and sticis carbon ribbon and paper on printing the rubber roll, rethread pull-down mechanism stimulates two first fasteners downwards, make and beat printer head and the interval of printing the rubber roll and further reduce, further improve printer head to the stiction of carbon ribbon and paper, thereby ensure the surface of scribbling of carbon ribbon and the surperficial abundant contact of soft paper, make and beat printer head also can print out clear content on soft paper, be favorable to improving printing quality.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the connection and cooperation of the first fastener with the pull-down mechanism and the second fastener in the preferred embodiment of the present invention.

FIG. 3 is a schematic view of the engagement between the print head and the print roller when the second fastener is hook-engaged with the first fastener in accordance with the preferred embodiment of the present invention.

FIG. 4 is a schematic view of the engagement between the print head and the print roller when the pull-down mechanism pulls down both first fasteners in accordance with the preferred embodiment of the present invention.

Detailed Description

As shown in fig. 1-4, the compact printer includes a base 1, a driving motor (not shown), a printing rubber roller 3, a printing head support 4, a printing head 5 and a carbon ribbon mechanism 6, wherein the printing rubber roller 3 is rotatably mounted on the base 1 and is in transmission connection with the driving motor, the printing head support 4 is pivoted on the base 1, the printing head 5 and the carbon ribbon mechanism 6 are both mounted on the printing head support 4, and the printing head 5 is arranged opposite to the printing rubber roller 3; two sides of the machine base 1 are respectively provided with a first buckling piece 11, and two sides of the printing head bracket 4 are respectively provided with a second buckling piece 41 matched with the first buckling piece 11; the machine base 1 is provided with a pull-down mechanism 7 which can pull two first buckling pieces 11 downwards; the pull-down mechanism 7 comprises a rotating shaft 71, an operating rod 72 and two pull-down assemblies 73, the rotating shaft 71 is rotatably arranged on the machine base 1 and moves left and right, and the operating rod 2 is fixedly arranged on the rotating shaft 71; the two pull-down assemblies 73 are respectively arranged at the left side and the right side of the machine base 1, the two pull-down assemblies 73 correspond to the two first buckling pieces 11 one by one, each pull-down assembly 73 comprises an upper fixed seat 731, a lower fixed seat 732, a movable seat 733, a swinging block 734, a mandril 735 and a compression spring 736, the upper fixed seat 731 and the lower fixed seat 732 are both arranged on the machine base 1 and are arranged side by side up and down, two guide posts 737 are arranged between the upper fixed seat 731 and the lower fixed seat 732, the movable seat 733 is arranged on the two guide posts 737 and is in sliding fit with the two guide posts 737, and the corresponding first buckling pieces 11 are arranged on the movable seat 733; the swinging block 734 is fixedly installed on the rotating shaft 71, the swinging block 734 is provided with an arc-shaped guiding hole 7341, and the distance between the first end of the arc-shaped guiding hole 7341 and the rotating shaft 71 is larger than the distance between the second end of the arc-shaped guiding hole 7341 and the rotating shaft 71; the top bar 735 is installed on the movable base 733 and moves up and down, the lower end of the top bar 735 is provided with a guiding rod 7351, the guiding rod 7351 is positioned in the corresponding arc guiding hole 7341 and is matched with the arc guiding hole 7341; the compression spring 736 is disposed between the lower fixed seat 732 and the movable seat 733, a lower end of the compression spring 736 is in close contact with the lower fixed seat 732, and an upper end of the compression spring 736 is in close contact with the movable seat 733.

In this embodiment, the first fastening member 11 is a hook bent downward, the second fastening member 41 is a hook bent upward, and the first fastening member 11 and the second fastening member 41 are in hooking engagement with each other.

In this embodiment, a locking hole position 7342 is provided at the second end of the arc-shaped guiding hole 7341.

In this embodiment, a lower spring mounting groove 7321 is formed on the top surface of the lower fixing seat 732, an upper spring mounting groove (not shown) is formed on the bottom surface of the movable seat 733, and the lower end and the upper end of the compression spring 736 are respectively disposed in the lower spring mounting groove 7321 and the upper spring mounting groove. The compression spring 736 is used for applying an upward force to the movable seat 733, so that the guide rod 7351 slides more smoothly in the arc-shaped guide hole 7341; the lower spring mounting groove 7321 and the upper spring mounting groove are used for limiting the lower end and the upper end of the compression spring 736, respectively, so that the position of the compression spring 736 is stable.

In the embodiment, one end of the printing rubber roller 3 is provided with a driving gear 31; the carbon ribbon mechanism 6 comprises a carbon ribbon unwinding shaft 61, a carbon ribbon winding shaft 62, a winding gear 63 and a transition gear set 64, wherein the carbon ribbon unwinding shaft 61 and the carbon ribbon winding shaft 62 can be rotatably mounted on the print head support 4, the winding gear 63 is mounted at one end of the carbon ribbon winding shaft 62, and the winding gear 63 is meshed with the driving gear 31 through the transition gear set 64.

The pressing printer of the embodiment further comprises a paper supply groove 8, a paper separating mechanism 9 and a paper feeding mechanism 10, wherein the paper supply groove 8, the paper feeding mechanism 10 and the printing rubber roller 3 are sequentially arranged on the base 1 along the paper feeding direction, and the paper separating mechanism 9 is arranged above the paper feeding mechanism 10.

The working principle of the present compact printer is briefly described as follows:

when the automatic winding device is used, the printing head support 4 is pulled downwards to turn downwards around the pivoting position, so that the two second fastening pieces 41 and the two first fastening pieces 11 are in hooking and fastening fit, the winding gear 63 is meshed with the driving gear 31, and the printing head 5 is positioned above the printing rubber roller 3; subsequently, the operating lever 2 is pulled, the swing block 734 of the two pull-down assemblies 73 is driven to swing through the rotating shaft 71, so that the guide rod 7351 relatively slides from the first end of the arc-shaped guide hole 7341 to the locking hole position 7342 at the second end of the arc-shaped guide hole 7341, the movable base 733 and the first fasteners 11 thereon are pulled through the ejector rod 735 to slide down along the two guide posts 737, so as to pull the two first fasteners 11 downward, the two first fasteners 11 drive the print head bracket 4 to continuously turn over around the pivot position through the two second fasteners 41, and the print head 5, the carbon ribbon mechanism 6 and the two second fasteners 41 turn over downward along with the print head bracket 4 around the pivot position, so that the distance between the print head 5 and the printing rubber roller 3 is further reduced. In printing, the paper supply slot 8 is used for storing and supplying paper 20 for printing; the paper separating mechanism 9 is used for separating the single paper 20 from the paper feeding groove 8; the paper feeding mechanism 10 is used for conveying the paper 20 between the printing head 5 and the printing rubber roller 3, meanwhile, the driving gear 31 rotates under the driving of the driving motor, the transition gear set 64 and the winding gear 63 drive the carbon ribbon winding shaft 62 to rotate, so that the carbon ribbon 601 is wound below the printing head 5, the printing head 5 tightly presses the carbon ribbon 601 and the paper 20 on the printing rubber roller 3, the coating surface of the carbon ribbon 601 is ensured to be fully contacted with the surface of the soft paper 20, the content printed on the soft paper 20 by the printing head 5 is clear, the printing quality is improved, the carbon ribbon waste caused by idle winding of the carbon ribbon mechanism 6 in the printing process can be avoided, the carbon ribbon is greatly saved, and the printing cost is reduced.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A compact printer comprises a base, a driving motor, a printing rubber roller, a printing head support, a printing head and a carbon belt mechanism, wherein the printing rubber roller is rotatably arranged on the base and is in transmission connection with the driving motor; the both sides of frame are equipped with first buckle spare respectively, beat the both sides of printer head support and be equipped with respectively with first buckle spare matched with second buckle spare, its characterized in that: and the machine base is provided with a pull-down mechanism which can pull the two first buckling pieces downwards.

2. A compact printer in accordance with claim 1, wherein: the pull-down mechanism comprises a rotating shaft, an operating lever and two pull-down components, the rotating shaft is rotatably arranged on the base and moves left and right, and the operating lever is fixedly arranged on the rotating shaft; the two pull-down components are respectively arranged on the left side and the right side of the base and are in transmission connection with the rotating shaft; the two first buckling pieces are respectively installed on the corresponding pull-down assemblies.

3. A compact printer in accordance with claim 2, wherein: the pull-down assembly comprises an upper fixed seat, a lower fixed seat, a movable seat, a swinging block and a push rod, wherein the upper fixed seat and the lower fixed seat are both arranged on the machine base and are arranged side by side up and down; the swing block is fixedly arranged on the rotating shaft, an arc-shaped guide hole is formed in the swing block, and the distance between the first end of the arc-shaped guide hole and the rotating shaft is larger than the distance between the second end of the arc-shaped guide hole and the rotating shaft; the ejector rod is arranged on the movable seat and moves up and down, the lower end of the ejector rod is provided with a guide rod, and the guide rod is positioned in the corresponding arc-shaped guide hole and matched with the arc-shaped guide hole.

4. A compact printer in accordance with claim 3, wherein: and a locking hole position is arranged at the second end of the arc-shaped guide hole.

5. A compact printer in accordance with claim 3, wherein: the pull-down assembly further comprises a compression spring, the compression spring is arranged between the lower fixing seat and the movable seat, the lower end of the compression spring is in close contact with the lower fixing seat, and the upper end of the compression spring is in close contact with the movable seat.

6. A compression printer according to claim 5, wherein: the upper end of the compression spring is arranged in the upper spring mounting groove, and the lower end of the compression spring is arranged in the lower spring mounting groove.

7. A compression printer according to any one of claims 1-6, characterised in that: one end of the printing rubber roller is provided with a driving gear; the carbon ribbon mechanism comprises a carbon ribbon unwinding shaft, a carbon ribbon winding shaft, a winding gear and a transition gear set, wherein the carbon ribbon unwinding shaft and the carbon ribbon winding shaft are rotatably arranged on the printing head support, the winding gear is arranged at one end of the carbon ribbon winding shaft, and the winding gear is meshed with the driving gear through the transition gear set.

8. A compression printer according to any one of claims 1-6, characterised in that: the pressing printer further comprises a paper supply groove, a paper separating mechanism and a paper feeding mechanism, wherein the paper supply groove, the paper feeding mechanism and the printing rubber roll are sequentially arranged on the base along the paper feeding direction, and the paper separating mechanism is arranged above the paper feeding mechanism.