CN110696513A

CN110696513A - Automatic stamping device

Info

Publication number: CN110696513A
Application number: CN201911097440.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanjing Xinlingyue Electronic Equipment Co Ltd
Current assignee: Nanjing Xinlingyue Electronic Equipment Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-01-17

Abstract

The invention discloses an automatic stamping device, which belongs to the technical field of unmanned aerial vehicles and comprises a protective shell, a stamping mechanism and a paper guide mechanism, wherein the protective shell is provided with a paper inlet and a paper outlet, and the paper inlet of the protective shell is used for receiving paper guided out from an outlet of a printer; the stamping mechanism is partially or completely arranged in the protective shell; the paper guide mechanism guides paper at the paper inlet of the protective shell into the stamping mechanism, and part or all of the paper guide mechanism is arranged in the protective shell; the stamping mechanism stamps the paper guided by the paper guide mechanism and guides the paper out from the paper outlet of the protective shell. The automatic stamping device can achieve the purpose of automatically stamping paper.

Description

Automatic stamping device

Technical Field

The invention belongs to the field of stamping devices, and particularly relates to an automatic stamping device.

Background

The working personnel working in banks, governments and other units may be involved in stamping files with a large number in daily work, even more than two stamps are stamped on a single file, the existing stamping mode generally adopts manual stamping, the stamping efficiency and cost are high, the problem of stamping errors due to the large number of stamping is also caused, and the office efficiency of the banks, governments and other units is influenced.

Disclosure of Invention

The invention aims to provide an automatic stamping device capable of automatically stamping paper.

In order to solve the technical problem, the invention provides an automatic stamping device, which comprises a protective shell, a stamping mechanism and a paper guide mechanism, wherein the protective shell is provided with a paper inlet and a paper outlet, and the paper inlet of the protective shell is used for receiving paper guided out from an outlet of a printer; the stamping mechanism is partially or completely arranged in the protective shell; the paper guide mechanism guides paper at the paper inlet of the protective shell into the stamping mechanism, and part or all of the paper guide mechanism is arranged in the protective shell; the stamping mechanism stamps the paper guided by the paper guide mechanism and guides the paper out from the paper outlet of the protective shell.

In the technical scheme, the paper led out from the outlet of the printer enters the protective shell from the paper inlet of the protective shell, the paper guide mechanism guides the paper into the stamping mechanism, and the stamping mechanism stamps the paper and leads out the paper from the paper outlet of the protective shell to finish automatic stamping.

Further, lead paper mechanism including the intercommunication the paper feed mouth of protective housing and extend to the mechanism of stamping leads the paper passageway, lead the paper passageway and be located in the protective housing, make the paper get into the position of the mechanism of stamping from the paper feed mouth of protective housing with the help of this paper passageway of leading.

Furthermore, the paper guide channel is composed of a first guide plate and a second guide plate which are arranged up and down, the first guide plate and the second guide plate are combined to be communicated with the paper feeding port of the protective shell and extend to the cavity of the stamping mechanism, the first guide plate and the second guide plate are arranged between two side walls of the protective shell, the paper guide channel is simple in structure, and paper moves in the cavity.

Further, the paper guide mechanism comprises a first roller set, a second roller set and a driving mechanism connected with the first roller set, the second roller set is rotatably connected in the protective shell, the first roller set is located in the protective shell, the driving mechanism is partially or completely arranged in the protective shell, rollers in the first roller set and rollers in the second roller set are oppositely arranged from top to bottom, a gap for paper entering from a paper inlet of the protective shell is reserved between the rollers and the rollers, the gap is the thickness of the paper, the gap is located in the paper guide channel, the driving mechanism drives the first roller set to rotate, so that the paper in the gap moves along the paper guide channel, and the paper guide mechanism adopts a roller paper movement mode and is rapid and convenient to drive.

Furthermore, actuating mechanism includes first drive arrangement, first axis of rotation and connects first drive arrangement with the first drive mechanism of first axis of rotation, first drive arrangement installs in the protective housing, first axis of rotation rotates to be connected between the both sides wall of protective housing, first roller train is installed on the first axis of rotation, first drive arrangement passes through first drive mechanism drive first axis of rotation rotates, and then states first axis of rotation and drive first roller train rotates, and this actuating mechanism simple structure and practicality.

Furthermore, first drive mechanism includes first drive shaft, first action wheel, the first driving wheel and first driving belt from the driving wheel, the one end of first drive shaft with first drive arrangement is connected, install the other end of first drive shaft first action wheel, the first driving wheel of following is installed on the first rotation axis, the first driving wheel of following passes through the first driving belt with first action wheel is connected, and this first drive mechanism simple structure and practicality.

Further, the stamping mechanism comprises a roller, a second rotating shaft, a second driven wheel, a third rotating shaft, a first arc-shaped block, a second driving device and a second transmission mechanism, wherein the surface of the first arc-shaped block is provided with a convex part, and the convex part is provided with a stamp mark, the roller is horizontally arranged and is rotationally connected between the two side walls of the protective shell through the second rotating shaft, the second driven wheel is arranged at one end of the second rotating shaft, the first driving wheel and the first driven wheel are respectively connected with the second driven wheel through the first transmission belt, the first arc-shaped block is rotatably connected to the side wall of the protective shell through the third rotating shaft, the second driving device is installed in the protective shell and connected with the third rotating shaft through the second transmission mechanism, and the lower edge of the roller is in contact with the top surface of the paper led out from the paper guide channel; when stamping is needed, the second driving device drives the third rotating shaft to rotate through the second transmission mechanism, the third rotating shaft drives the convex part of the first arc-shaped block to perform stamping rotation to a position where the convex part is contacted with the bottom surface of paper led out from the paper guide channel, and the first arc-shaped block and the roller form extrusion force on the paper led out from the paper guide channel; after stamping is finished, the third rotating shaft drives the convex part of the first arc-shaped block to stamp and rotate to a position where the convex part is not contacted with the bottom surface of the paper led out from the paper guide channel, and the roller drives the paper to be led out from the paper outlet of the protective shell; the whole stamping mechanism adopts the extrusion fit of the roller and the first arc-shaped block in the rotating process to complete the stamping and the leading-out of the paper.

Furthermore, the stamping mechanism further comprises a fourth rotating shaft, a second arc-shaped block, a third driving device and a third transmission mechanism, wherein the surface of the second arc-shaped block is provided with a convex part, and the convex part is provided with a stamp mark; when stamping is needed, the third driving device drives the third rotating shaft to rotate through the third transmission mechanism, the third rotating shaft drives the convex part of the first arc-shaped block to perform stamping rotation to a position where the convex part is contacted with the bottom surface of paper led out from the paper guide channel, and the first arc-shaped block and the roller form extrusion force on the paper led out from the paper guide channel; after stamping is finished, the third rotating shaft drives the convex part of the first arc-shaped block to stamp and rotate to a position where the convex part is not contacted with the bottom surface of the paper led out from the paper guide channel; this design enables more chapters to be stamped on the paper, and may be different chapters.

Further, automatic stamping device still includes toward add the filling device of stamp-pad ink on first arc piece with the second arc piece, this filling device can refuel for the stamp-pad ink on first arc piece and the second arc piece.

Further, the oiling device comprises an oiling block for adsorbing the stamp-pad ink and an oil box for containing the stamp-pad ink, wherein the oiling block is immersed in the oil box, the first arc-shaped block and the second arc-shaped block can rotate to the position where the oiling block is contacted, and automatic oiling can be realized.

In conclusion, the automatic stamping device can achieve the purpose of automatically stamping paper.

Drawings

FIG. 1 is a three-dimensional view of the present invention;

FIG. 2 is a state diagram of the operation of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a right side view of the present invention in the state of FIG. 2;

FIG. 5 is a left side view of the present invention in the state of FIG. 2;

FIG. 6 is a schematic view of the present invention with portions of the protective case removed;

in the figure: 10. a protective shell; 101. a paper inlet; 102. a paper outlet; 20. a stamping mechanism; 201. a drum; 202. a second rotating shaft; 203. a second driven wheel; 204. a third rotating shaft; 205. a first arc-shaped block; 206. a second driving device; 207. a second transmission mechanism; 208. a fourth rotating shaft; 209. a second arc-shaped block; 2010. a third driving device; 2011. a third transmission mechanism; 30. a paper guide mechanism; 301. a paper guide channel; 3011. a first guide plate; 3012. a second guide plate; 3013. a cavity; 302. a first roller train; 303. a second roller set; 304. a drive mechanism; 3041. a first driving device; 3042. a first rotating shaft; 3043. a first transmission mechanism; 30431. a first drive shaft; 30432. a first drive wheel; 30433. a first driven wheel; 30434. a first drive belt; 305. a gap; 40. an oiling device; 401. adding an oil block; 402. and an oil box.

Detailed Description

The present invention is described in further detail below with reference to fig. 1-6.

As shown in fig. 1, an automatic stamping device comprises a protective shell 10, a stamping mechanism 20 and a paper guide mechanism 30,

as shown in fig. 3, the protective casing 10 has two protective plates as side walls, the protective casing 10 has a paper inlet 101 at the front end near the printer outlet, the rear end of the protective casing 10 has a paper outlet 102, the outlet direction of the printer is adjusted to be aligned with the paper inlet 101 of the protective casing 10, so that the paper guided out from the printer outlet can enter the paper inlet 101 of the protective casing 10 by its inertia, and the paper inlet 101 of the protective casing 10 achieves the purpose of receiving the paper guided out from the printer outlet, thereby achieving the automatic transfer of the paper from the printer to the protective casing 10.

As shown in fig. 3, the paper guide mechanism 30 includes a first guide plate 3011, a second guide plate 3012, a first roller set 302, a second roller set 303, and a driving mechanism 304 connected to the first roller set 302.

The first guide plate 3011 and the second guide plate 3012 are parallel to each other and are fixed between two sidewalls of the protective casing 10 in an inclined manner, wherein the first guide plate 3011 is located above the second guide plate 3012, and both form a cavity 3013 with two open ends. The front end of the cavity 3013 is communicated with the paper inlet 101 of the protective shell 10, so that paper can enter the cavity 3013 along the paper inlet 101 of the protective shell 10. The accommodating cavity extends to the stamping mechanism 20 along the longitudinal extension of the first guide plate 3011 and the second guide plate 3012, and it should be noted that the paper guide channel 301 composed of the first guide plate 3011 and the second guide plate 3012 is not limited to the above structural form, and may be a paper guide channel 301 in other structural forms and located in the protective shell 10, as long as the paper guide channel 301 meets the condition of communicating with the paper feeding port 101 of the protective shell 10 and extending to the stamping mechanism 20.

As shown in fig. 3 and 6, the first roller set 302 and the second roller set 303 are both located in the protective casing 10, the first roller set 302 and the second roller set 303 both include six rollers arranged in parallel and transverse to each other, the rollers in the first roller set 302 and the rollers in the second roller set 303 are arranged in an up-down symmetrical manner, six openings for the rollers in the first roller set 302 and the second roller set 303 to extend into are respectively formed in the plate bodies of the first guide plate 3011 and the second guide plate 3012, a gap 305 is left between the corresponding upper and lower rollers in the first roller set 302 and the second roller set 303, the gap 305 is a thickness of paper, the gap 305 is located in the paper guide channel 301, the opening direction of the gap 305 can be adjusted in the design process, so that the paper entering from the paper inlet 101 of the protective casing 10 can enter the gap 305 in the paper guide channel 301. The bottom surface of the second guide plate 3012 is provided with a rotation hole, a rotation shaft is inserted into the rotation hole, and the rollers in the second roller set 303 are installed on the rotation shaft, so that the second roller set 303 is rotatably connected in the protective housing 10. The driving mechanism 304 is partially disposed in the protective casing 10, and the driving mechanism 304 drives the first roller set 302 to rotate, and the second roller set 303 provides a support for the paper, so that the paper in the gap 305 moves along the paper guide path 301. It should be noted that the driving mechanism 304 may also be disposed entirely within the protective casing 10, and is not limited herein.

The paper guide mechanism 30 completes the paper guide of the paper inlet 101 of the protective case 10 to the stamping mechanism 20, and the paper guide mechanism 30 is partially or completely arranged in the protective case 10.

As shown in fig. 6, the driving mechanism 304 preferably includes a first driving device 3041, a first rotating shaft 3042 and a first transmission mechanism 3043 connecting the first driving device 3041 and the first rotating shaft 3042, wherein the first driving device 3041 may be a driving motor, and the first driving device 3041 is installed in an upper left vacant area inside the protective casing 10. The first rotating shaft 3042 is horizontally disposed, and two side walls of the protective case 10 are provided with rotating holes into which two ends of the first rotating shaft 3042 are respectively inserted, so that the first rotating shaft 3042 can be rotatably connected between the two side walls of the protective case 10, and the first roller set 302 is mounted on the first rotating shaft 3042 through a bearing. The first transmission mechanism 3043 is installed on the left outer wall of the protective casing 10, the first driving device 3041 drives the first rotating shaft 3042 to rotate through the first transmission mechanism 3043, and then the first rotating shaft 3042 drives the first roller set 302 to rotate, so that the driving mechanism 304 is simple and practical in structure.

As shown in fig. 5 and 6, preferably, the first transmission mechanism 3043 includes a first driving shaft 30431, a first driving wheel 30432, a first driven wheel 30433 and a first transmission belt 30434, the first driving shaft 30431 is connected to the first driving device 3041 at one end, the first driving wheel 30432 is mounted at the other end, the driven wheel is mounted on the first rotating shaft 3042, the first driven wheel 30433 is connected to the first driving wheel 30432 through the first transmission belt 30434, and the first transmission mechanism 3043 is structurally and practically used.

The sealing mechanism 20 includes a roller 201, a second rotating shaft 202, a second driven wheel 203, a third rotating shaft 204, a first arc-shaped block 205 with a protruding portion on the surface, a second driving device 206 and a second transmission mechanism 207, wherein the protruding portion is provided with a seal, the second driving device 206 can adopt a driving motor, the roller 201 and the second rotating shaft 202 are both horizontally disposed, two ends of the second rotating shaft 202 are inserted into openings on two side walls of the protective casing 10, wherein a right end of the second rotating shaft 202 extends to a right side of a right side wall of the protective casing 10, the roller 201 is rotatably connected between the two side walls of the protective casing 10 through the second rotating shaft 202, the second driven wheel 203 is installed at a right end of the second rotating shaft 202, the first driving wheel 30432 and the first driven wheel 30433 are respectively connected with the second driven wheel 203 through a first transmission belt 30434, and a right end of the third rotating shaft 204 is inserted into an opening on the right side, the left end of the third rotating shaft 204 may be inserted into a supporting plate with a rotating hole in the protective casing 10, the first arc-shaped block 205 is rotatably connected to the side wall of the protective casing 10 through the third rotating shaft 204, the second driving device 206 is installed in a lower right vacant area in the protective casing 10, the second transmission mechanism 207 is installed on the outer side of the right side wall of the protective casing 10, the second driving device 206 is connected to the third rotating shaft 204 through the second transmission mechanism 207, and the lower edge of the drum 201 contacts with the top surface of the paper led out from the paper guide channel 301.

When the paper is led out from the paper guide channel 301 and passes through the roller 201, the seal is needed, the second driving device 206 drives the third rotating shaft 204 to rotate through the second transmission mechanism 207, the third rotating shaft 204 drives the convex part of the first arc-shaped block 205 to carry out seal rotation to the highest position, at this time, the seal on the convex part of the first arc-shaped block 205 is in contact with the bottom surface of the paper led out from the paper guide channel 301, the first arc-shaped block 205 and the roller 201 form extrusion force on the paper led out from the paper guide channel 301, and the seal is covered on the paper by virtue of the extrusion force of the first arc-shaped block 205 and the roller 201; after the stamping is finished, in order not to affect the leading-out of the paper from the paper outlet 102 of the protective shell 10, the third rotating shaft 204 drives the convex part of the first arc-shaped block 205 to stamp and rotate to other positions, so that the stamp on the convex part of the first arc-shaped block 205 is not in contact with the bottom surface of the paper led out from the paper guide channel 301, and at this time, the roller 201 drives the paper to be led out from the paper outlet 102 of the protective shell 10.

The seal mechanism 20 seals the paper introduced by the paper guide mechanism 30 and leads out the paper from the paper outlet 102 of the protective case 10.

Preferably, the second transmission mechanism 207 includes a second driving shaft 2071, a second driving wheel 2072, a third driven wheel 2073 and a second transmission belt 2074, one end of the second driving shaft 2071 is connected with the second driving device 206, the other end of the second driving shaft 2071 is provided with the second driving wheel 2072, the third driven wheel 2073 is mounted on the third rotation shaft 204, and the third driven wheel 2073 is connected with the second driving wheel 2072 through the second transmission belt 2074, and the second transmission mechanism 207 is structurally and practically applicable.

As shown in fig. 4 and 6, in order to cover more chapters on a piece of paper, and may be different chapters, the sealing mechanism 20 is additionally provided with a fourth rotating shaft 208, a second arc-shaped block 209 having a convex portion on the surface and a stamp mark on the convex portion, a third driving device 2010 and a third transmission mechanism 2011, the third driving device 2010 may be a driving motor, the third driving device 2010 is installed in a lower left area in the protective case 10, a left end of the fourth rotating shaft 208 is inserted into an opening on a left side wall of the protective case 10, a right end of the fourth rotating shaft 208 may be inserted into another supporting plate with a rotating hole in the protective case 10, the second arc-shaped block 209 is rotatably connected to a side wall of the protective case 10 through the fourth rotating shaft 208, and the third driving device 2010 is connected to the fourth rotating shaft 208 through the third transmission mechanism 2011.

When stamping is needed, the third driving device 2010 drives the third rotating shaft 204 to rotate through the third transmission mechanism 2011, the third rotating shaft 204 drives the convex part of the first arc-shaped block 205 to rotate to the highest position, namely, the convex part is in contact with the bottom surface of the paper led out from the paper guide channel 301, and the first arc-shaped block 205 and the roller 201 form extrusion force on the paper led out from the paper guide channel 301; after the seal is finished, the third rotating shaft 204 carries the convex part of the first arc-shaped block 205 to rotate to a position where the convex part is not contacted with the bottom surface of the paper led out from the paper guide channel 301, and then the roller 201 drives the paper to be led out from the paper outlet 102 of the protective shell 10.

Preferably, the third transmission mechanism 2011 includes a third driving shaft 20111, a third driving wheel 20112, a fourth driven wheel 20113 and a third transmission belt 20114, one end of the third driving shaft 20111 is connected with the third driving device 2010, the third driving wheel 20112 is installed at the other end of the third driving shaft 20111, the fourth driven wheel 20113 is installed on the fourth rotation shaft 208, the fourth driven wheel 20113 is connected with the third driving wheel 20112 through the third transmission belt 20114, and the third transmission mechanism 2011 is structurally and practically used.

The first arc-shaped block 205 and the second arc-shaped block 209 can be fixed on the third rotating shaft 204 and the fourth rotating shaft 208 in a threaded manner.

The first arc-shaped block 205 and the second arc-shaped block 209 can stamp the same paper at the same time, and stamps on the two blocks can also be different.

As shown in fig. 6, in order to be able to add oil to the stamps on first arc-shaped block 205 and second arc-shaped block 209, an oil adding device 40 for adding oil to first arc-shaped block 205 and second arc-shaped block 209 is added.

In order to automatically refuel, the refueling device 40 comprises a refueling block 401 for adsorbing the stamp-pad ink and an oil box 402 for containing the stamp-pad ink, the refueling block 401 is immersed in the oil box 402, when the first arc-shaped block 205 and the second arc-shaped block 209 rotate to the lowest positions, the refueling block 401 is made of sponge bodies.

In order to reduce the need for better oil loading of the stamps of first arcuate block 205 and second arcuate block 209, a spring is provided between oil pad 401 and oil box 402.

The oil box 402 has an oil filling portion communicating with the inside and extending to the outside of the protective case 10, and the oil filling portion is formed in a groove shape, so that oil can be filled only by adding oil to the oil filling portion at ordinary times, and the operation is convenient and fast.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. An automatic stamping device is characterized by comprising:

a protective case (10) having a paper inlet (101) and a paper outlet (102), the paper inlet (101) of the protective case (10) being for receiving paper sheets led out from a printer outlet;

a stamping mechanism (20) partially or completely arranged in the protective shell (10); and

a paper guide mechanism (30) for guiding paper from a paper inlet (101) of the protective shell (10) to the stamping mechanism (20), wherein part or all of the paper guide mechanism (30) is arranged in the protective shell (10); the stamping mechanism (20) stamps the paper guided in by the paper guide mechanism (30) and guides the paper out from the paper outlet (102) of the protective shell (10).

2. The automatic stamping device according to claim 1, wherein: lead paper mechanism (30) including the intercommunication paper feed mouth (101) of protective housing (10) and extend to seal paper passageway (301) of leading of mechanism (20), it is located to lead paper passageway (301) in protective housing (10).

3. The automatic stamping device according to claim 2, wherein: lead paper passageway (301) and constitute by first deflector (3011) and second deflector (3012) of arranging from top to bottom, first deflector (3011) with second deflector (3012) make up into the intercommunication paper feed mouth (101) of protective housing (10) and extend to cavity (3013) of mechanism (20) of stamping and both set up between the both sides wall of protective housing (10).

4. The automatic stamping device according to claim 2, wherein: the paper guide mechanism (30) comprises a first roller group (302), a second roller group (303) and a driving mechanism (304) connected with the first roller group (302), the second roller group (303) is rotationally connected in the protective shell (10), the first roller group (302) is positioned in the protective shell (10), the driving mechanism (304) is partially or completely arranged in the protective shell (10), rollers in the first roller group (302) and rollers in the second roller group (303) are oppositely arranged from top to bottom and a gap (305) for paper entering of a paper inlet (101) of the protective shell (10) is reserved between the rollers, the gap (305) is the size of the thickness of the paper, the gap (305) is positioned in the paper guide channel (301), and the driving mechanism (304) rotates by driving the first roller group (302), so that the paper sheet in the gap (305) moves along the paper guide path (301).

5. The automatic stamping device according to claim 4, wherein: the driving mechanism (304) comprises a first driving device (3041), a first rotating shaft (3042) and a first transmission mechanism (3043) connecting the first driving device (3041) and the first rotating shaft (3042), the first driving device (3041) is installed in the protective housing (10), the first rotating shaft (3042) is rotatably connected between two side walls of the protective housing (10), the first roller set (302) is installed on the first rotating shaft (3042), the first driving device (3041) drives the first rotating shaft (3042) to rotate through the first transmission mechanism (3043), and the first rotating shaft (3042) drives the first roller set (302) to rotate.

6. The automatic stamping device according to claim 5, wherein: the first transmission mechanism (3043) includes a first driving shaft (30431), a first driving wheel (30432), a first driven wheel (30433) and a first transmission belt (30434), one end of the first driving shaft (30431) is connected to the first driving device (3041), the other end of the first driving shaft (30431) is provided with the first driving wheel (30432), the first driven wheel (30433) is mounted on the first rotating shaft (3042), and the first driven wheel (30433) is connected to the first driving wheel (30432) through the first transmission belt (30434).

7. The automatic stamping device according to claim 6, wherein: the stamping mechanism (20) comprises a roller (201), a second rotating shaft (202), a second driven wheel (203), a third rotating shaft (204), a first arc-shaped block (205) with a protruding part on the surface and a stamp mark on the part, a second driving device (206) and a second transmission mechanism (207), wherein the roller (201) is horizontally placed, the roller (201) is rotatably connected between two side walls of the protective shell (10) through the second rotating shaft (202), the second driven wheel (203) is installed at one end of the second rotating shaft (202), the first driving wheel (30432) and the first driven wheel (30433) are respectively connected with the second driven wheel (203) through the first transmission belt (30434), and the first arc-shaped block (205) is rotatably connected on the side wall of the protective shell (10) through the third rotating shaft (204), the second driving device (206) is installed in the protective shell (10), the second driving device (206) is connected with the third rotating shaft (204) through the second transmission mechanism (207), and the lower edge of the roller (201) is in contact with the top surface of the paper led out from the paper guide channel (301); when stamping is needed, the second driving device (206) drives the third rotating shaft (204) to rotate through the second transmission mechanism (207), the third rotating shaft (204) drives the convex part of the first arc-shaped block (205) to stamp and rotate to a position where the convex part is contacted with the bottom surface of the paper led out from the paper guide channel (301), and the first arc-shaped block (205) and the roller (201) form extrusion force on the paper led out from the paper guide channel (301); after stamping is finished, the third rotating shaft (204) drives the convex part of the first arc-shaped block (205) to stamp and rotate to a position where the convex part is not contacted with the bottom surface of the paper led out from the paper guide channel (301), and the roller (201) drives the paper to be led out from the paper outlet (102) of the protective shell (10).

8. The automatic stamping device of claim 7, wherein: the stamping mechanism (20) further comprises a fourth rotating shaft (208), a second arc-shaped block (209) with a convex part on the surface and stamp marks on the surface, a third driving device (2010) and a third transmission mechanism (2011), the second arc-shaped block (209) is rotatably connected to the side wall of the protective shell (10) through the fourth rotating shaft (208), the third driving device (2010) is installed in the protective shell (10), and the third driving device (2010) is connected with the fourth rotating shaft (208) through the third transmission mechanism (2011); when stamping is needed, the third driving device (2010) drives the third rotating shaft (204) to rotate through the third transmission mechanism (2011), the third rotating shaft (204) drives the convex part of the first arc-shaped block (205) to stamp and rotate to a position where the convex part is contacted with the bottom surface of the paper led out from the paper guide channel (301), and the first arc-shaped block (205) and the roller (201) form extrusion force on the paper led out from the paper guide channel (301); after stamping is finished, the third rotating shaft (204) drives the convex part of the first arc-shaped block (205) to stamp and rotate to a position where the bottom surface of the paper led out from the paper guide channel (301) is not contacted.

9. The automatic stamping device according to claim 8, wherein: the automatic stamping device further comprises an oiling device (40) for adding printing oil to the first arc-shaped block (205) and the second arc-shaped block (209).

10. The automatic stamping device of claim 9, wherein: the oiling device (40) comprises an oiling block (401) for adsorbing the stamp-pad ink and an oil box (402) for containing the stamp-pad ink, wherein the oiling block (401) is immersed in the oil box (402), and the first arc-shaped block (205) and the second arc-shaped block (209) can rotate to the position in contact with the oiling block (401).