CN111516400B

CN111516400B - Combined printer shaft convenient to install

Info

Publication number: CN111516400B
Application number: CN202010529943.9A
Authority: CN
Inventors: 张行; 周元锋; 邓立新
Original assignee: Shengzhou Yiyuan Investment Management Co ltd
Current assignee: NINGBO FULLSTAR SHAFT CO.,LTD.
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-11-02
Anticipated expiration: 2040-06-11
Also published as: CN111516400A

Abstract

The invention discloses a combined printer shaft convenient to install, which comprises a printing scroll installing structure, a printing scroll butting structure, a printing scroll anti-skidding structure and a printing scroll paper storage structure, wherein a fixed fixture block at one side of a printing scroll is opened, an ink-jet bottom cover is pulled to move the printing scroll out of the printing fixed bracket, a printing scroll male head and a printing scroll female head at two ends of the printing connecting scroll are not fixedly connected, a first butting spring and a second butting spring are moved to replace adjacent printing connecting scrolls, a roller at one side of a paper storage clamping groove can move up and down to replace a new printing connecting scroll, an anti-skidding sleeve layer and an anti-skidding layer, so that printing paper is not easy to move out of a rolling pressing wheel at the top of a bottom printing ink-jet substrate of an ink-jet box above the printing ink-jet substrate, the printing paper can be smooth when the printing paper is printed on the printing ink-jet substrate, the ink jet printer box is convenient to print.

Description

Combined printer shaft convenient to install

Technical Field

The invention relates to the technical field of printer shaft installation, in particular to a combined printer shaft convenient to install.

Background

The printer is mainly used for printing a computer processing result on a related medium and can be divided into a laser printer, an ink jet printer, an impact printer and the like, the basic working principle of the ink jet printer is that small ink drops are generated firstly, then the ink jet head is used for guiding the small ink drops to a set position, and the smaller the ink drops, the clearer the printed picture. The basic principle seems simple, but the operation is less simple. Just as the principle of calculus is not complicated, and how to use it is complicated, the installation of a printer is generally divided into two parts, one is the connection between the printer and a computer, and the other is the installation of a driver of the printer in an operating system. If the printer is provided with the USB interface, the USB connection wire of the printer is directly connected with the printer at one end and connected with the USB interface of the computer at the other end under the condition of not closing the host computer and the printer during installation.

However, when the existing printer is used, the printer has certain limitations, and when the printer shaft is damaged in the printing fixing support, or the anti-slip sleeve layer and the anti-slip layer on the printing scroll are damaged, the replacement step is complicated because the printer shaft, the anti-slip sleeve layer and the anti-slip layer are taken out from the printing fixing support, so that a combined printer shaft convenient to install is provided by a person skilled in the art.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the combined printer shaft which is convenient to install, and solves the problem that the steps of taking out and replacing the printer shaft, the anti-slip sleeve layer and the anti-slip layer in the printing fixing support are complex.

In order to achieve the purpose, the invention is realized by the following technical scheme: a combined printer shaft convenient to install comprises a printing fixing support, one end of the bottom of the printing fixing support is connected with one end of a printing scroll mounting structure, the two ends of the printing scroll mounting structure are fixedly connected with the inner side of a printing scroll butting structure, the inner part of the printing scroll mounting structure is movably connected with the outer wall of a printing scroll anti-skidding structure, one side of the printing fixing support is slidably connected with one side of a printing scroll paper storage structure, one end of a printing ink-jet substrate is fixedly connected with the top of the printing scroll mounting structure, a fixing slide bar is arranged at the top of the printing ink-jet substrate, the two ends of the fixing slide bar are fixedly connected with the inner part of the printing fixing support, the outer part of the fixing slide bar is slidably connected with one side of the bottom of an ink-jet box, and one end of a moving slide block is fixedly connected with the top of one side of the ink-jet box, the inside roll connection that removes the slider has the outside of conveying lead screw, the one end roll connection of conveying lead screw has the inside of printing the fixed bolster, the output of the first transmission motor of other end fixedly connected with of conveying lead screw, the inside of fixed bolster is printed through fixed block fixedly connected with in the outside of first transmission motor, the bottom of ink jet set box is equipped with drips the china ink hold up tank, the bottom sliding connection who drips the china ink hold up tank has the bottom of printing the fixed bolster inner wall.

Preferably, print spool mounting structure including printing the spool, the outer wall fixedly connected with antifriction bearing's at print spool both ends inner wall, the bottom of fixed block fixedly connected with inkjet bottom inner wall is passed through to the outside bottom of antifriction bearing, and one side of one side fixedly connected with fixture block of fixed block, antifriction bearing's top and the one side swing joint who prints inkjet base plate bottom, the top swing joint of fixture block has the bottom of printing inkjet base plate one side, the inside of the first transmission gear of outer wall fixedly connected with of printing spool one end, one side of first transmission gear outer wall is equipped with second transmission gear, the output shaft of the inside fixedly connected with second transmission motor of second transmission gear, the inner wall that fixed bolster was printed to second transmission motor through fixed block fixedly connected with.

Preferably, print spool butt joint structure including printing the public head of spool and printing the female head of spool, one side fixedly connected with of printing the public head of spool prints the one end of connecting spool, one side fixedly connected with of printing the female head of spool prints the other end of connecting spool, the inside of printing the public head of spool has one side of the first butt joint fixture block through pin swing joint, the one end of the first butt joint spring of one end fixedly connected with of first butt joint fixture block, the inside of the public head of spool is printed to the other end fixedly connected with of first butt joint spring, the inside of printing the female head of spool has one side of second butt joint fixture block through pin swing joint, the one end of the one end fixedly connected with second butt joint spring of second butt joint fixture block, the inside of the female head of spool is printed to the other end fixedly connected with of second butt joint spring.

Preferably, the inside of printing the spool is equipped with a plurality of and prints the connection spool, print the public head of printing the spool of connection spool one end and another print the female head swing joint of printing the spool of the connection spool other end, the inside of printing the connection spool is equipped with prints spool antiskid structure.

Preferably, print spool anti-skidding structure including printing the spool inner core, the inner wall of printing the spool inner core is equipped with a plurality of antiskid groove, the inside in antiskid groove is equipped with a plurality of anti-skidding springs, the inner wall of the outer wall fixedly connected with skid resistant course of printing the spool inner core, the both ends fixedly connected with skid proof block's of antiskid spring inner wall, skid proof block's outer wall sliding connection has the inside in antiskid groove, skid proof block's top fixedly connected with anti-slip cover layer's inner wall.

Preferably, the printing scroll stores up paper structure including depositing the paper draw-in groove, the outer wall fixed link of depositing the paper draw-in groove has the inner wall of gyro wheel, the outer wall roll connection of gyro wheel has the inner wall of spout, the outer wall fixedly connected with of spout prints the outer wall of fixed bolster one end, the one end of the bottom fixedly connected with guiding groove of depositing the paper draw-in groove inner wall, the inner wall roll connection of depositing the paper draw-in groove has driven runner's both ends, driven runner's one end runs through the outside of depositing the paper draw-in groove, driven runner's outer wall fixedly connected with driven gear's inner wall.

Preferably, the driven wheel has the same structural size as the printing reel, the outer wall of the driven gear is meshed with the outer wall of the first transmission gear, and the other end of the guide groove is on the same horizontal line with the top of the printing reel.

Preferably, the top of printing the inkjet base plate rolls according to the outside of wheel through fixed block fixedly connected with, roll and be connected with the inner wall that has third transmission gear according to the both ends outer wall fixed connection of wheel, the bottom meshing of third transmission gear is connected with the top of fourth transmission gear, one side of fourth transmission gear and the outer wall swing joint of first transmission gear, the inner wall of the inside fixedly connected with exit slot of printing the inkjet base plate other end.

Preferably, the outer wall of the first transmission gear, the outer wall of the driven gear, the outer wall of the third transmission gear, the outer wall of the fourth transmission gear and the outer wall of the second transmission gear are in meshed connection, and the transmission ratio is 1: 1.

Advantageous effects

The invention provides a combined printer shaft convenient to install. Compared with the prior art, the method has the following beneficial effects:

1. a combined printer shaft convenient to install comprises a printing scroll through a printing scroll installing structure, the outer walls of two ends of the printing scroll are fixedly connected with the inner wall of a rolling bearing, the bottom of the outer part of the rolling bearing is fixedly connected with the bottom of the inner wall of an ink-jet bottom cover through a fixing block, one side of the fixed block is fixedly connected with one side of the fixed clamping block, the top of the rolling bearing is movably connected with one side of the bottom of the printing ink-jet substrate, the top of the fixed clamping block is movably connected with the bottom of one side of the printing ink-jet substrate, the outer wall of one end of the printing scroll is fixedly connected with the inside of the first transmission gear, one side of the outer wall of the first transmission gear is provided with the second transmission gear, the inside of the second transmission gear is fixedly connected with the output shaft of the second transmission motor, the second transmission motor is fixedly connected with the inner wall of the printing fixed bracket through the fixed block, when the fixed clamping block is opened, the printing scroll is moved out of the printing fixed bracket by pulling the ink-jet bottom cover.

2. A combined printer shaft convenient to install comprises a printing spool male head and a printing spool female head through a printing spool butt joint structure, one side of the printing spool male head is fixedly connected with one end of a printing connection spool, one side of the printing spool female head is fixedly connected with the other end of the printing connection spool, one side of a first butt joint fixture block is movably connected inside the printing spool male head through a pin, one end of a first butt joint fixture block is fixedly connected with one end of a first butt joint spring, the other end of the first butt joint spring is fixedly connected with the inside of the printing spool male head, one side of a second butt joint fixture block is movably connected inside the printing spool female head through a pin, one end of the second butt joint fixture block is fixedly connected with one end of a second butt joint spring, the other end of the second butt joint spring is fixedly connected with the inside of the printing spool female head, when the printing spool male head and the printing female spool head at two ends of the printing connection spool are in a non-fixed connection condition, moving the first docking spring and the second docking spring replaces the adjacent print connection spool.

3. The utility model provides a combination formula printer shaft easy to assemble, including printing the spool inner core through printing spool anti-skidding structure, the inner wall of printing the spool inner core is equipped with a plurality of anti-skidding grooves, the inside in anti-skidding groove is equipped with a plurality of anti-skidding springs, the inner wall of the outer wall fixedly connected with skid resistant course of printing the spool inner core, the both ends fixedly connected with skid proof block's of anti-skidding spring inner wall, skid proof block's outer wall sliding connection has the inside in anti-skidding groove, skid proof block's top fixedly connected with anti-skidding jacket layer's inner wall, print outside anti-skidding jacket layer and the anti-skidding layer of spool anti-skidding structure, let print the bottom that the paper was difficult for removing out the ink jet machine box in the top of printing the inkjet base plate.

4. The utility model provides a combination formula printer shaft easy to assemble, store up the paper structure including depositing the paper draw-in groove through printing the spool, the outer wall fixed of depositing the paper draw-in groove even has the inner wall of gyro wheel, the outer wall roll connection of gyro wheel has the inner wall of spout, the outer wall fixedly connected with of spout prints the outer wall of fixed bolster one end, the one end of the bottom fixedly connected with guiding groove of depositing paper draw-in groove inner wall, the inner wall roll connection of depositing the paper draw-in groove has driven runner's both ends, driven runner's one end runs through the outside of depositing the paper draw-in groove, driven runner's outer wall fixedly connected with driven gear's inner wall, the gyro wheel through depositing paper draw-in groove one side can reciprocate and print the connection spool for changing new, anti-slip jacket layer and skid layer.

5. The utility model provides a combination formula printer axle easy to assemble, the top through printing the inkjet base plate is through the outside that fixed block fixedly connected with rolled according to the wheel, the roll is according to the inner wall that the both ends outer wall fixed connection of wheel has third transmission gear, the bottom meshing of third transmission gear is connected with the top of fourth transmission gear, one side of fourth transmission gear and first transmission gear's outer wall swing joint, the inner wall of the inside fixedly connected with exit slot of printing the inkjet base plate other end, it is smooth to let to print the paper when printing on printing the inkjet base plate according to the wheel through the roll of printing inkjet base plate top, conveniently print.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a print spool docking structure according to the present invention;

FIG. 3 is a schematic view of a print spool docking structure according to the present invention;

FIG. 4 is a schematic view of a paper storage structure of a printing roll according to the present invention.

In the figure: 1. printing a fixed support; 2. a print spool mounting structure; 21. printing a reel; 22. a first transmission gear; 23. a second transmission motor; 24. a rolling bearing; 25. fixing the fixture block; 26. an inkjet bottom cover; 27. a second transmission gear; 3. printing a reel butt joint structure; 31. printing a spool male head; 32. printing a reel female head; 33. a first butting spring; 34. a second butting spring; 35. printing a connection reel; 36. a first docking fixture block; 37. a second docking fixture block; 4. printing a spool anti-slip structure; 41. an anti-slip layer; 42. an anti-slip groove; 43. an anti-slip bump; 44. an anti-slip spring; 45. an anti-slip jacket layer; 46. printing the reel inner core; 5. printing a reel paper storage structure; 51. a chute; 52. a roller; 53. a driven runner; 54. a driven gear; 55. a paper storage slot; 56. a guide groove; 6. printing an inkjet substrate; 7. a first transmission motor; 8. fixing the sliding rod; 9. an inkjet cartridge; 11. moving the slide block; 12. a drip ink storage tank; 13. rolling the pressing wheel; 14. a third transmission gear; 15. a fourth transmission gear; 16. a paper outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides three technical solutions:

example 1

A combined printer shaft convenient to install comprises a printing fixed support 1, one end of the bottom of the printing fixed support 1 is connected with one end of a printing scroll mounting structure 2, two ends of the printing scroll mounting structure 2 are fixedly connected with the inner side of a printing scroll butt joint structure 3, the inner part of the printing scroll mounting structure 2 is movably connected with the outer wall of a printing scroll anti-skidding structure 4, one side of the printing fixed support 1 is slidably connected with one side of a printing scroll paper storage structure 5, one end of a printing ink-jet substrate 6 is fixedly connected with the top of the printing scroll mounting structure 2, a fixed slide bar 8 is arranged at the top of the printing ink-jet substrate 6, two ends of the fixed slide bar 8 are fixedly connected with the inner part of the printing fixed support 1, the outer part of the fixed slide bar 8 is slidably connected with one side of the bottom of an ink-jet box 9, and the top of one side of the ink-jet box 9 is fixedly connected with one end of a movable slide block 11, the inside roll connection that removes slider 11 has the outside of conveying lead screw, the one end roll connection of conveying lead screw has the inside of printing fixed bolster 1, the output of the first transmission motor 7 of other end fixedly connected with of conveying lead screw, the inside of fixed bolster 1 is printed through fixed block fixedly connected with in the outside of first transmission motor 7, the bottom of ink jet set box 9 is equipped with drips black hold up tank 12, the bottom sliding connection that drips black hold up tank 12 has the bottom of printing fixed bolster 1 inner wall.

Print spool mounting structure 2 including printing spool 21, the inner wall of the outer wall fixedly connected with antifriction bearing 24 at printing spool 21 both ends, the bottom of the 26 inner walls of fixed block fixedly connected with inkjet bottom is passed through to the outside bottom of antifriction bearing 24, and one side of one side fixedly connected with fixture block 25 of fixed block, antifriction bearing 24's top and the one side swing joint who prints inkjet base plate 6 bottom, the top swing joint of fixture block 25 has the bottom of printing inkjet base plate 6 one side, the inside of the first transmission gear 22 of the outer wall fixedly connected with of printing spool 21 one end, one side of first transmission gear 22 outer wall is equipped with second transmission gear 27, the output shaft of the inside fixedly connected with second transmission motor 23 of second transmission gear 27, second transmission motor 23 prints the inner wall of fixed bolster 1 through fixed block fixedly connected with.

Example 2

Print spool butt joint structural 3 including printing the public head 31 of spool and printing the female head 32 of spool, the one end that the one side fixedly connected with of printing the public head 31 of spool prints connection spool 35, the other end that one side fixedly connected with of printing the female head 32 of spool prints connection spool 35, the inside of printing the public head 31 of spool has one side of first butt joint fixture block 36 through pin swing joint, the one end of the first butt joint spring 33 of one end fixedly connected with of first butt joint fixture block 36, the inside of the public head 31 of spool is printed to the other end fixedly connected with of first butt joint spring 33, the inside of printing the female head 32 of spool has one side of second butt joint fixture block 37 through pin swing joint, the one end fixedly connected with second butt joint spring 34 of second butt joint fixture block 37, the inside of the female head 32 of other end fixedly connected with printing of second butt joint spring 34.

Example 3

Printing spool anti-skidding structure 4 is including printing spool inner core 46, the inner wall of printing spool inner core 46 is equipped with a plurality of anti-skidding grooves 42, the inside in anti-skidding groove 42 is equipped with a plurality of anti-skidding springs 44, the inner wall of printing spool inner core 46's outer wall fixedly connected with skid resistant course 41, the inner wall of anti-skidding bump 44's both ends fixedly connected with anti-skidding lug 43, anti-skidding bump 43's outer wall sliding connection has the inside in anti-skidding groove 42, anti-skidding bump 43's top fixedly connected with anti-skidding jacket layer 45's inner wall.

And those not described in detail in this specification are well within the skill of those in the art.

When the printer is used, firstly, printing paper is placed in the paper storage clamping groove 55, printed graphite powder is added in the ink jet printer box 9, the second transmission motor 23 is started, the first transmission gear 22 drives the second transmission gear 27 at one end of the printing scroll 21 to rotate, the outer wall of the second transmission gear 27 drives the outer wall of the driven gear 54, the inner wall of the driven gear 54 drives the driven rotating wheel 53 to rotate, the anti-slip sleeve layer 45 outside the driven rotating wheel 53 enables the printing paper to enter the printing scroll 21 through the guide groove 56 at the bottom of the inner wall of the paper storage clamping groove 55 to be placed upwards, the first transmission motor 7 is started again, the output end of the first transmission motor 7 drives the transmission screw rod to rotate, the ink jet printer box 9 connected with the movable sliding block 11 is moved to the upper side of the printing paper at the top of the printing scroll 21 outside the transmission screw rod, printed fonts are printed on the printing paper, the printing connection scroll 35 inside the printing scroll 21 prints the printing paper through the anti-slip sleeve layer 45 under the rotation of the second transmission gear 27 When the anti-slip layer 45 and the anti-slip layer 41 outside the printing connection scroll 35 or the printing scroll male head 31 and the printing scroll female head 32 at two ends of the printing connection scroll 35 are damaged, the anti-slip layer 41 and the anti-slip layer 45 can not tightly press the printing paper below the printing scroll 21, the printing paper can not be unstable inside the printing fixing bracket 1, the ink jet box 9 can not normally print graphite powder on the printing paper, or the printing scroll male head 31 and the printing scroll female head 32 inside the printing scroll 21 are connected without fixing the connection, the printing paper inside the printing fixing bracket 1 is unstably fixed above the printing ink-jet base plate 6, so that the ink-jet box 9 can not normally print graphite powder on the printing paper, at this time, the printing paper inside the paper storage clamping groove 55 is taken out, the paper storage clamping groove 55 moves upwards inside the sliding groove 51 through the roller 52, the fixing clamping block 25 is opened, the ink-jet bottom cover 26 is pulled to move the printing scroll 21 out of the printing fixing bracket 1, the damaged printing connecting scroll 35, the anti-slip sleeve layer 45 and the anti-slip layer 41 are moved out of the printing scroll 21, the new printing connecting scroll 35, the anti-slip sleeve layer 45 and the anti-slip layer 41 are replaced, the printing scroll 21 is pushed into the printing fixing bracket 1 to close the fixing clamping block 25, the paper storage clamping groove 55 moves to the top of the ink-jet bottom cover 26 through the roller 52, and finally the printing paper is placed inside the paper storage clamping groove 55, the second conveyance motor 23 and the first conveyance motor 7 are activated to start printing characters.

Claims

1. The utility model provides a combination formula printer axle easy to assemble, is including printing fixed bolster (1), its characterized in that: the printing device is characterized in that one end of the bottom of the printing fixed support (1) is connected with one end of a printing scroll mounting structure (2), the two ends of the printing scroll mounting structure (2) are fixedly connected with the inner side of a printing scroll butt-joint structure (3), the inner part of the printing scroll mounting structure (2) is movably connected with the outer wall of a printing scroll anti-slip structure (4), one side of the printing fixed support (1) is slidably connected with one side of a printing scroll paper storage structure (5), the top of the printing scroll mounting structure (2) is fixedly connected with one end of a printing ink-jet substrate (6), the top of the printing ink-jet substrate (6) is provided with a fixed slide bar (8), the two ends of the fixed slide bar (8) are fixedly connected with the inner part of the printing fixed support (1), the outer part of the fixed slide bar (8) is slidably connected with one side of the bottom of an ink-jet box (9), the top of one side of the ink jet machine box (9) is fixedly connected with one end of a movable sliding block (11), the interior of the movable sliding block (11) is connected with the exterior of a conveying screw rod in a rolling manner, one end of the conveying screw rod is connected with the interior of the printing fixed support (1) in a rolling manner, the other end of the conveying screw rod is fixedly connected with the output end of a first transmission motor (7), the exterior of the first transmission motor (7) is fixedly connected with the interior of the printing fixed support (1) through a fixed block, the bottom of the ink jet machine box (9) is provided with an ink dripping storage tank (12), and the bottom of the ink dripping storage tank (12) is connected with the bottom of the inner wall of the printing fixed support (1) in a sliding manner;

wherein, the printing scroll mounting structure (2) comprises a printing scroll (21), the outer walls at the two ends of the printing scroll (21) are fixedly connected with the inner wall of a rolling bearing (24), the bottom of the outer part of the rolling bearing (24) is fixedly connected with the bottom of the inner wall of an ink-jet bottom cover (26) through a fixing block, one side of the fixing block is fixedly connected with one side of a fixing clamping block (25), the top of the rolling bearing (24) is movably connected with one side of the bottom of a printing ink-jet substrate (6), the top of the fixing clamping block (25) is movably connected with the bottom of one side of the printing ink-jet substrate (6), the outer wall at one end of the printing scroll (21) is fixedly connected with the inner part of a first transmission gear (22), one side of the outer wall of the first transmission gear (22) is provided with a second transmission gear (27), the inner part of the second transmission gear (27) is fixedly connected with an output shaft of a second transmission motor (23), the second transmission motor (23) is fixedly connected with the inner wall of the printing fixing support (1) through a fixing block;

wherein, the printing scroll butt joint structure (3) comprises a printing scroll male head (31) and a printing scroll female head (32), one side of the printing scroll male head (31) is fixedly connected with one end of a printing connection scroll (35), one side of the printing scroll female head (32) is fixedly connected with the other end of the printing connection scroll (35), the interior of the printing scroll male head (31) is movably connected with one side of a first butt joint clamping block (36) through a pin, one end of the first butt joint clamping block (36) is fixedly connected with one end of a first butt joint spring (33), the other end of the first butt joint spring (33) is fixedly connected with the interior of the printing scroll male head (31), the interior of the printing scroll female head (32) is movably connected with one side of a second butt joint clamping block (37) through a pin, one end of the second butt joint clamping block (37) is fixedly connected with one end of a second butt joint spring (34), the other end of the second butt spring (34) is fixedly connected with the inside of the printing scroll female head (32).

2. An easy-to-install, modular printer shaft as in claim 1, wherein: the inside of printing spool (21) is equipped with a plurality of and prints connection spool (35), print public head of printing spool (31) and another printing female head of printing spool (32) swing joint of printing the connection spool (35) the other end of connection spool (35) one end of connection spool (35), the inside of printing connection spool (35) is equipped with prints spool non-slip structure (4).

3. An easy-to-install, modular printer shaft as in claim 2, wherein: print spool anti-skidding structure (4) including printing spool inner core (46), the inner wall of printing spool inner core (46) is equipped with a plurality of antiskid groove (42), the inside in antiskid groove (42) is equipped with a plurality of anti-skidding springs (44), the inner wall of the outer wall fixedly connected with skid resistant course (41) of printing spool inner core (46), the inner wall of the both ends fixedly connected with skid resistant block (43) of antiskid spring (44), the outer wall sliding connection of skid resistant block (43) has the inside in antiskid groove (42), the inner wall of the top fixedly connected with antiskid cover layer (45) of skid resistant block (43).

4. An easy-to-install, modular printer shaft as in claim 1, wherein: print spool paper storage structure (5) including paper storage slot (55), the outer wall fixed connection of paper storage slot (55) has the inner wall of gyro wheel (52), the outer wall roll connection of gyro wheel (52) has the inner wall of spout (51), the outer wall fixedly connected with of spout (51) prints the outer wall of fixed bolster (1) one end, the one end of the bottom fixedly connected with guiding groove (56) of paper storage slot (55) inner wall, the inner wall roll connection of paper storage slot (55) has the both ends of driven runner (53), the outside of paper storage slot (55) is run through to the one end of driven runner (53), the inner wall of the outer wall fixedly connected with driven gear (54) of driven runner (53).

5. An easy-to-install, modular printer shaft as in claim 4, wherein: the structure size of the driven rotating wheel (53) is the same as that of the printing scroll (21), the outer wall of the driven gear (54) is meshed with the outer wall of the first transmission gear (22), and the other end of the guide groove (56) and the top of the printing scroll (21) are on the same horizontal line.

6. Use of a readily mountable modular printer shaft according to claim 1, wherein: when the automatic printing device is used, firstly, printing paper is placed in the paper storage clamping groove (55), printed graphite powder is added in the ink jet printer box (9), then the second transmission motor (23) is started, the first transmission gear (22) drives the second transmission gear (27) at one end of the printing scroll (21) to rotate, the outer wall of the second transmission gear (27) drives the outer wall of the driven gear (54), the inner wall of the driven gear (54) drives the driven rotating wheel (53) to rotate, the anti-slip sleeve layer (45) outside the driven rotating wheel (53) enables the printing paper to enter the printing scroll (21) through the guide groove (56) at the bottom of the inner wall of the paper storage clamping groove (55) to be placed upwards, then the first transmission motor (7) is started, the output end of the first transmission motor (7) drives the transmission screw rod to rotate, the ink jet printer box (9) connected with the moving slide block (11) is moved to the upper part of the printing paper at the top of the printing scroll (21) by the outside of the transmission screw rod, printing the printed font on the printing paper, wherein the printing paper in the printing scroll (21) passes through the top of the antiskid sleeve layer (45) under the rotation of the second transmission gear (27) and is attached and connected with the rolling pressing wheel (13) on the top of the printing ink-jet substrate (6), the other side of the second transmission gear (27) transmits the outer wall of the fourth transmission gear (15), the outer wall of the fourth transmission gear (15) transmits the outer wall of the third transmission gear (14), so that the rolling pressing wheel (13) rolls to discharge the printing paper from the inside of the paper outlet (16) at the other end of the printing ink-jet substrate (6), when the antiskid sleeve layer (45) and the antiskid layer (41) outside the printing connection scroll (35) are damaged or the printing scroll male head (31) and the printing scroll female head (32) at the two ends of the printing connection scroll (35) are damaged, the antiskid layer (41) and the antiskid sleeve layer (45) can not tightly press the printing paper below the printing scroll (21), printing paper is made unstable in the printing fixed support (1), graphite powder cannot be normally printed on the printing paper by the ink jet printer box (9), or the printing paper in the printing fixed support (1) is unstably fixed above the printing ink jet substrate (6) under the condition that the connection between the printing scroll male head (31) and the printing scroll female head (32) at two ends of the printing scroll (21) is not fixed, graphite powder cannot be normally printed on the printing paper by the ink jet printer box (9), at the moment, the printing paper in the paper storage clamping groove (55) is taken out, the paper storage clamping groove (55) moves upwards in the sliding groove (51) through the roller (52), then the fixed clamping block (25) is opened, and the ink jet bottom cover (26) is pulled to move the printing scroll (21) out of the printing fixed support (1), and then the damaged printing connection scroll (35), the anti-slip jacket layer (45) and the anti-slip layer (41) are moved out from the inside of the printing scroll (21), the new printing connection scroll (35), the anti-slip jacket layer (45) and the anti-slip layer (41) are replaced, the printing scroll (21) is pushed into the inside of the printing fixed support (1) to be closed with the fixed fixture block (25), the paper storage clamping groove (55) is moved to the top of the ink-jet bottom cover (26) through the roller (52), finally, the printing paper is placed in the paper storage clamping groove (55), and the second transmission motor (23) and the first transmission motor (7) are started to print characters.