Paper puzzle board color printing device and method

Abstract

The present invention relates to the technical field of paper puzzle processing, and discloses a paper puzzle board color printing device, including a printing machine body, a first extension plate is provided on one side of the printing machine body, and a cleaning mechanism is provided on the upper side of the first extension plate, the cleaning mechanism includes a fixed seat, an air inlet pipe and an air outlet pipe are provided on the upper side of the fixed seat, and a fixed groove and an air flow channel are provided in the fixed seat. The present invention provides a first cleaning unit and a second cleaning unit in the groove, a cotton brush is provided at the first cleaning unit, and a hair brush is provided at the second cleaning unit. Compared with the hair brush, the cotton brush has a larger contact area with the paper surface, and is suitable for cleaning fine dust on the paper surface. The texture of the hair brush is harder than that of the cotton brush, and is suitable for cleaning large dust and dust with strong adhesion. In this way, through the mutual cooperation between the cotton brush, the high-pressure airflow and the hair brush, the paper surface can be cleaned more thoroughly, and the cleaning effect is better.

Description

Technical Field

[0001] The invention relates to the technical field of paper puzzle processing, in particular to a paper puzzle board color printing device and a method thereof. Background Art

[0002] The conventional paper puzzle manufacturing process is generally: first print the pattern on the paper, then paste the paper on the cardboard, and finally cut the whole cardboard into pieces. When printing, whether it is flexographic printing or gravure printing, rotary printing is the main method. However, the roll printing material used in rotary printing can easily absorb dust and other impurities, causing printing difficulties, resulting in reduced printing quality and increased scrap rate. Therefore, during processing, the printing paper must be cleaned.

[0003] In the prior art, for cleaning paper, brushes and air nozzles are generally set at the feed port of the printing press. During the movement of the paper, the paper is cleaned by the brush and then purged with high-pressure airflow. Although this method is low-cost and easy to maintain, it can only remove larger particles. For some tiny or highly adherent dust, the cleaning effect is average. With the continuous development of the market, people have higher and higher requirements for product quality. This cleaning method can no longer meet the processing requirements of high-quality products. Summary of the invention

[0004] The present invention provides a paper puzzle board color printing device and method thereof, which has the beneficial effect of better dust cleaning effect, and solves the problem that the existing cleaning device mentioned in the above background technology can only remove larger particles, and has a general cleaning effect on some tiny or highly adhesive dust.

[0005] The present invention provides the following technical solution: a paper puzzle board color printing device, comprising a printing machine body, a first extension plate is provided on one side of the printing machine body, and a cleaning mechanism is provided on the upper side of the first extension plate, the cleaning mechanism comprises a fixing seat, an air inlet pipe and an air outlet pipe are provided on the upper side of the fixing seat, and a fixing groove and an air flow channel are provided in the fixing seat, one end of the air inlet pipe is communicated with the air flow channel, one end of the air outlet pipe is communicated with the fixing groove, a groove communicated with the air flow channel is provided on the lower side of the fixing seat, and a first cleaning unit and a second cleaning unit are provided in the groove;

[0006] The first cleaning unit includes a first connecting seat, which is elastically connected to the fixed seat via a first spring, and a cotton brush is provided on the lower side of the first connecting seat. The second cleaning unit includes a second connecting seat, which is elastically connected to the fixed seat via a third spring, and a brush is provided on the lower side of the second connecting seat.

[0007] As an optional solution of the paper puzzle board color printing equipment described in the present invention, a dust hood is provided on one side of the fixed seat, and one end of the dust hood is fixedly connected to the fixed seat, and an opening for communicating with the dust hood is opened on the fixed seat.

[0008] As an optional solution of the paper puzzle board color printing device of the present invention, wherein: a transmission mechanism is provided in the fixed groove, and the transmission mechanism comprises a reduction box and a first fixed shaft, the reduction box is located at one end of the first fixed shaft, and the input shaft of the reduction box is fixedly connected to the first fixed shaft, and a first pulley is provided on the output shaft of the reduction box;

[0009] One end of the first fixed shaft is rotatably connected to the fixed seat, and a plurality of wind wheels are arranged on the first fixed shaft, and the positions and numbers of the wind wheels correspond one to one with the openings.

[0010] As an optional solution of the paper puzzle board color printing equipment described in the present invention, wherein: a second fixed shaft is provided at one end of the fixed seat, the second fixed shaft is rotatably connected to the fixed seat, and a second pulley and a cam are provided on the second fixed shaft, and the second pulley is connected to the first pulley through a belt.

[0011] As an optional solution of the paper puzzle board color printing device described in the present invention, a protrusion is provided on the upper side of the second connecting seat, the protrusion is fixedly connected to the second connecting seat, and the protrusion is in conflict with the cam.

[0012] As an optional solution of the paper puzzle board color printing equipment described in the present invention, a transmission rod and a guide block are provided on the upper side of the first connecting seat, a slope is provided on one side of the guide block, the transmission rod is elastically connected to the fixed seat through a fourth spring, and one end of the transmission rod is in contact with the guide block, and the other end of the transmission rod is in contact with the protrusion.

[0013] As an optional solution of the paper puzzle board color printing equipment described in the present invention, wherein: an air guide component is provided on the lower side of the air flow channel, and the air guide component includes a fixed frame, and a plurality of movable plates are provided in the fixed frame, and the movable plate is rotatably connected to the fixed frame through a rotating shaft, a movable arm is provided on one side of the fixed frame, and the movable arm is elastically connected to the fixed seat through a second spring, and a plurality of groups of limiting claws are provided on the movable arm.

[0014] As an optional solution of the paper puzzle board color printing device described in the present invention, a second extension plate is provided at one end of the movable arm, and a triangular protrusion is provided on one side of the second extension plate.

[0015] As an optional solution of the paper puzzle board color printing device described in the present invention, an extension column is provided on one side of the transmission rod, and one end of the extension column is in conflict with the triangular protrusion.

[0016] The present invention also provides a method for using a paper puzzle board color printing device, comprising the following steps:

[0017] S1. Pre-printing treatment: Place the paper roll on the placement rack, then pass one end of the paper through the printing machine body and fix it with the traction machine, then start the cleaning mechanism, high-pressure gas enters the fixing seat through the air inlet pipe, and then sprays out through the air flow channel, obliquely spraying on the paper surface, the air outlet pipe is connected to the suction mechanism, the cleaned dust is collected by the dust collecting hood, and then sucked away through the air outlet pipe. During the paper's movement, it is cleaned with a brush and a cotton brush to remove dust on the paper surface;

[0018] S2, Printing: After being cleaned by the cleaning mechanism, the paper enters the printing machine, and the pattern is printed on the paper through the printing reel;

[0019] S3, cutting: firstly, the paper is cut into widths by a cutting machine, and then the paper is cut into blocks by a special cutting machine with a mold;

[0020] S4, packaging and warehousing: collect the cut puzzle pieces, put them into packaging bags, and then seal the packaging bags to obtain the finished products, and finally send the finished products to the warehouse.

[0021] The present invention has the following beneficial effects:

[0022] 1. A paper puzzle board color printing device and method thereof, wherein a cleaning structure is provided to clean the printed paper, wherein the cleaning structure comprises a fixed seat, wherein an air flow channel is provided in the fixed seat, and high-pressure gas enters the fixed seat through an air inlet pipe and then is ejected through the air flow channel, wherein the air flow channel is inclined at a certain angle in the fixed seat, so that the high-pressure air is also inclinedly ejected on the paper surface, and thus has a better cleaning effect compared with a straight up and down ejection method;

[0023] A first cleaning unit and a second cleaning unit are provided in the groove. A cotton brush is provided at the first cleaning unit and a bristle brush is provided at the second cleaning unit. Compared with the bristle brush, the cotton brush has a larger contact area with the paper surface and is suitable for cleaning fine dust on the paper surface. The bristle brush is harder than the cotton brush and is suitable for cleaning large dust and dust with strong adhesion. In this way, through the cooperation between the cotton brush, high-pressure airflow and the bristle brush, the paper surface can be cleaned more thoroughly and the cleaning effect is better.

[0024] 2. A paper puzzle board color printing device and method thereof, by arranging a transmission mechanism in a fixed groove, the transmission mechanism includes a reduction box and a first fixed shaft, a plurality of wind wheels are arranged on the first fixed shaft, and the positions and numbers of the wind wheels correspond to the openings one by one. When the airflow passes through the opening, it will drive the wind wheel and the first fixed shaft to rotate, and the first fixed shaft will drive the reduction box to rotate. A first pulley is arranged on the output shaft of the reduction box, and a second fixed shaft is also arranged in the fixed seat. A second pulley is arranged on the second fixed shaft, and the second pulley is connected to the first pulley by a belt transmission. That is to say, when the first fixed shaft rotates, the second fixed shaft will also rotate. A cam is also arranged on the second fixed shaft, and a protrusion is arranged on the second connecting seat. When the cam rotates, it will push the protrusion and the second connecting seat to reciprocate, and the second connecting seat will move with the brush, so that the brush is constantly moving during work, and has a better cleaning effect.

[0025] 3. A paper puzzle board color printing device and method thereof, by setting a transmission rod and a guide block on the upper side of the first connecting seat, the transmission rod is elastically connected to the fixed seat through a fourth spring, and one end of the transmission rod is in contact with the protrusion. When the protrusion moves, it will not only move with the second connecting seat, but also contact with the transmission rod and push it to move. One end of the transmission rod is in contact with the guide block, and a slope is provided on one side of the guide block. Under the push of the transmission rod, the guide block will move with the first connecting seat, and when the first connecting seat moves, it will move with the cotton brush, further improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] Figure 2 It is the front view of the fixing seat of the present invention.

[0028] Figure 3 It is a side view of the fixing seat of the present invention.

[0029] Figure 4 It is a schematic diagram of the internal structure of the fixing seat of the present invention.

[0030] Figure 5 It is a schematic diagram of the fixing seat structure of the present invention.

[0031] Figure 6 It is a schematic structural diagram of the air guide assembly and the first connecting seat of the present invention.

[0032] In the figure: 1. printing machine body; 2. first extension plate; 3. fixed seat; 4. air inlet pipe; 5. air outlet pipe; 6. fixed groove; 7. air flow channel; 8. groove; 9. first connecting seat; 10. first spring; 11. cotton brush; 12. second connecting seat; 13. third spring; 14. brush; 15. dust cover; 16. opening; 17. reduction box; 18. first fixed shaft; 19. extension column; 20. first pulley; 21. wind wheel; 22. second fixed shaft; 23. second pulley; 24. cam; 25. bump; 26. transmission rod; 27. guide block; 28. fourth spring; 29. ​​fixed frame; 30. movable plate; 31. movable arm; 32. second spring; 33. limit claw; 34. second extension plate; 35. triangular protrusion. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Example 1

[0035] See also Figures 1 to 6 The present invention provides a paper puzzle board color printing device, including a printing machine body 1, a first extension plate 2 is provided on one side of the printing machine body 1, and a cleaning mechanism is provided on the upper side of the first extension plate 2, the cleaning mechanism includes a fixing seat 3, an air inlet pipe 4 and an air outlet pipe 5 are provided on the upper side of the fixing seat 3, and a fixing groove 6 and an air flow channel 7 are provided in the fixing seat 3, one end of the air inlet pipe 4 is connected to the air flow channel 7, one end of the air outlet pipe 5 is connected to the fixing groove 6, a groove 8 connected to the air flow channel 7 is provided on the lower side of the fixing seat 3, and a first cleaning unit and a second cleaning unit are provided in the groove 8;

[0036] The first cleaning unit includes a first connecting seat 9, which is elastically connected to the fixed seat 3 through a first spring 10, and a cotton brush 11 is provided on the lower side of the first connecting seat 9. The second cleaning unit includes a second connecting seat 12, which is elastically connected to the fixed seat 3 through a third spring 13, and a brush 14 is provided on the lower side of the second connecting seat 12.

[0037] A dust collecting cover 15 is provided on one side of the fixing base 3 , and one end of the dust collecting cover 15 is fixedly connected to the fixing base 3 . An opening 16 for communicating with the dust collecting cover 15 is provided on the fixing base 3 .

[0038] The printing paper is cleaned by setting a cleaning structure, the cleaning mechanism includes a fixed seat 3, an air flow channel 7 is arranged in the fixed seat 3, high-pressure gas enters the fixed seat 3 through the air inlet pipe 4, and then is ejected through the air flow channel 7, the air flow channel 7 is opened in the fixed seat 3 at a certain angle, so that the high-pressure air is also tilted and sprayed on the paper surface, which has a better cleaning effect compared with the straight up and down spraying method; a dust collecting cover 15 is arranged on one side of the fixed seat 3, the dust collecting cover 15 is connected to the fixed seat 3 through an opening 16, the air outlet pipe 5 is externally connected to the suction mechanism, and the cleaned dust can be sucked away through the dust collecting cover 15;

[0039] A first cleaning unit and a second cleaning unit are provided in the groove 8. A cotton brush 11 is provided at the first cleaning unit, and a bristle brush 14 is provided at the second cleaning unit. Compared with the bristle brush 14, the cotton brush 11 has a larger contact area with the paper surface, and is suitable for cleaning fine dust on the paper surface. The texture of the bristle brush 14 is harder than that of the cotton brush 11, and is suitable for cleaning large-volume dust and dust with strong adhesion. In this way, through the mutual cooperation between the cotton brush 11, the high-pressure airflow and the bristle brush 14, the paper surface can be cleaned more thoroughly, and the cleaning effect is better.

[0040] Example 2

[0041] This embodiment is an explanation based on the embodiment 1. For details, please refer to Figures 1 to 6 A transmission mechanism is provided in the fixed groove 6, and the transmission mechanism includes a reduction box 17 and a first fixed shaft 18, the reduction box 17 is located at one end of the first fixed shaft 18, and the input shaft of the reduction box 17 is fixedly connected to the first fixed shaft 18, and a first pulley 20 is provided on the output shaft of the reduction box 17;

[0042] One end of the first fixed shaft 18 is rotatably connected to the fixed seat 3 , and a plurality of wind wheels 21 are disposed on the first fixed shaft 18 , and the positions and numbers of the wind wheels 21 correspond one-to-one to the openings 16 .

[0043] A second fixed shaft 22 is provided at one end of the fixed seat 3, the second fixed shaft 22 is rotatably connected to the fixed seat 3, and a second pulley 23 and a cam 24 are provided on the second fixed shaft 22, and the second pulley 23 is transmission-connected to the first pulley 20 via a belt. A convex block 25 is provided on the upper side of the second connecting seat 12, the convex block 25 is fixedly connected to the second connecting seat 12, and the convex block 25 abuts against the cam 24.

[0044] In order to further improve the cleaning effect, the present technical solution is provided with a transmission mechanism in the fixed groove 6, the transmission mechanism includes a reduction box 17 and a first fixed shaft 18, a plurality of wind wheels 21 are provided on the first fixed shaft 18, the position and number of the wind wheels 21 correspond to the opening 16 one by one, when the airflow passes through the opening 16, it will drive the wind wheel 21 and the first fixed shaft 18 to rotate, and the first fixed shaft 18 will drive the reduction box 17 to rotate, a first pulley 20 is provided on the output shaft of the reduction box 17, a second fixed shaft 22 is also provided in the fixed seat 3, and the second fixed shaft 23 is provided in the fixed seat 3. A second pulley 23 is provided on the fixed shaft 22, and the second pulley 23 is connected to the first pulley 20 through a belt transmission. That is to say, when the first fixed shaft 18 rotates, the second fixed shaft 22 will also rotate. A cam 24 is also provided on the second fixed shaft 22, and a protrusion 25 is provided on the second connecting seat 12. When the cam 24 rotates, it will push the protrusion 25 and the second connecting seat 12 to reciprocate, and the second connecting seat 12 will move with the brush 14. In this way, the brush 14 is constantly moving during work, and has a better cleaning effect.

[0045] Example 3

[0046] This embodiment is an explanation based on the embodiment 1. For details, please refer to Figures 1 to 6 A transmission rod 26 and a guide block 27 are provided on the upper side of the first connecting seat 9. A slope is provided on one side of the guide block 27. The transmission rod 26 is elastically connected to the fixed seat 3 through a fourth spring 28, and one end of the transmission rod 26 abuts against the guide block 27, and the other end of the transmission rod 26 abuts against the protrusion 25.

[0047] When the second connecting seat 12 moves, it will also be linked with the first connecting seat 9, thereby prompting the first connecting seat 9 to reciprocate, further improving the cleaning effect. Specifically, a transmission rod 26 and a guide block 27 are provided on the upper side of the first connecting seat 9. The transmission rod 26 is elastically connected to the fixed seat 3 through a fourth spring 28, and one end of the transmission rod 26 is in contact with the protrusion 25. When the protrusion 25 moves, it will not only move with the second connecting seat 12, but also contact with the transmission rod 26 and push it to move. One end of the transmission rod 26 is in contact with the guide block 27, and a slope is provided on one side of the guide block 27. Under the push of the transmission rod 26, the guide block 27 will move with the first connecting seat 9. When the first connecting seat 9 moves, it will move with the cotton brush 11.

[0048] Example 4

[0049] This embodiment is an explanation based on the embodiment 1. For details, please refer to Figures 1 to 6A wind guide assembly is provided at the lower side of the air flow channel 7, and the wind guide assembly includes a fixed frame 29, and a plurality of movable plates 30 are provided in the fixed frame 29, and the movable plate 30 is rotatably connected to the fixed frame 29 through a rotating shaft, and a movable arm 31 is provided on one side of the fixed frame 29, and the movable arm 31 is elastically connected to the fixed seat 3 through a second spring 32, and a plurality of groups of limiting claws 33 are provided on the movable arm 31.

[0050] A second extension plate 34 is disposed at one end of the movable arm 31 , and a triangular protrusion 35 is disposed at one side of the second extension plate 34 . An extension column 19 is disposed at one side of the transmission rod 26 , and one end of the extension column 19 abuts against the triangular protrusion 35 .

[0051] By arranging an air guide component on the lower side of the air flow channel 7, the air guide component includes a fixed frame 29, and a plurality of movable plates 30 are arranged in the fixed frame 29, a movable arm 31 is arranged on one side of the fixed frame 29, and a plurality of groups of limiting claws 33 are arranged on the movable arm 31, and the position of each group of limiting claws 33 is in a one-to-one correspondence with the movable plate 30. There are two limiting claws 33 in each group, which are respectively located on both sides of the movable plate 30. When the movable arm 31 moves, it will push the movable plate 30 to move. In this way, when the airflow passes through the fixed frame 29 and blows toward the paper surface, the inclination angle of the movable plate 30 changes, and the movable plate 30 can guide the airflow. Therefore, when cleaning, the high-pressure airflow is sprayed on the paper surface at different angles, with fewer cleaning dead corners and better cleaning effect.

[0052] The specific working principle is as follows: a second extension plate 34 is provided at one end of the movable arm 31, and an extension column 19 corresponding to the second extension plate 34 is provided on the transmission rod 26. When the transmission rod 26 moves, the extension column 19 will interfere with the triangular protrusion 35 on the second extension plate 34. Under the push of the extension column 19, the triangular protrusion 35, the second extension plate 34 and the movable arm 31 will all reciprocate, so that the movable plate 30 can be driven to move continuously through the movable arm 31.

[0053] In the present technical solution, when the second connecting seat 12 moves, it can be linked with the first connecting seat 9 and the air guide assembly through the transmission rod 26. The second connecting seat 12 and the protrusion 25 move synchronously. When the protrusion 25 moves, it will push the transmission rod 26 to move. When the transmission rod 26 moves, one end of it will contact with the guide block 27 on the first connecting seat 9, thereby prompting the first connecting seat 9 and the cotton brush 11 to move. At the same time, when the transmission rod 26 moves, it will move with the extension column 19, and the extension column 19 will contact with the triangular protrusion 35 at one end of the movable arm 31, thereby prompting the second extension plate 34 and the movable arm 31 to move.

[0054] The present invention also provides a method for using a paper puzzle board color printing device, comprising the following steps:

[0055] S1. Pre-printing treatment: Place the paper roll on the placement rack, then pass one end of the paper through the printing machine body 1 and fix it with the traction machine, then start the cleaning mechanism, high-pressure gas enters the fixing seat 3 through the air inlet pipe 4, and then sprays out through the air flow channel 7, obliquely spraying on the paper surface, the air outlet pipe 5 is externally connected to the suction mechanism, the cleaned dust is collected by the dust collecting cover 15, and then sucked away through the air outlet pipe 5, and the paper is cleaned by the brush 14 and the cotton brush 11 during the movement to remove the dust on the paper surface;

[0056] S2, Printing: After being cleaned by the cleaning mechanism, the paper enters the printing machine, and the pattern is printed on the paper through the printing reel;

[0057] S3, cutting: firstly, the paper is cut into widths by a cutting machine, and then the paper is cut into blocks by a special cutting machine with a mold;

[0058] S4, packaging and warehousing: collect the cut puzzle pieces, put them into packaging bags, and then seal the packaging bags to obtain the finished products, and finally send the finished products to the warehouse.

[0059] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0060] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A paper puzzle board color printing device, comprising a printing machine body (1), characterized in that: A first extension plate (2) is provided on one side of the printing machine body (1), and a cleaning mechanism is provided on the upper side of the first extension plate (2), the cleaning mechanism comprising a fixing seat (3), an air inlet pipe (4) and an air outlet pipe (5) are provided on the upper side of the fixing seat (3), and a fixing groove (6) and an air flow channel (7) are provided in the fixing seat (3), one end of the air inlet pipe (4) is connected to the air flow channel (7), one end of the air outlet pipe (5) is connected to the fixing groove (6), a groove (8) connected to the air flow channel (7) is provided on the lower side of the fixing seat (3), and a first cleaning unit and a second cleaning unit are provided in the groove (8); The first cleaning unit comprises a first connecting seat (9), the first connecting seat (9) is elastically connected to the fixed seat (3) via a first spring (10), and a cotton brush (11) is provided on the lower side of the first connecting seat (9); the second cleaning unit comprises a second connecting seat (12), the second connecting seat (12) is elastically connected to the fixed seat (3) via a third spring (13), and a brush (14) is provided on the lower side of the second connecting seat (12).

2. A paper puzzle board color printing device according to claim 1, characterized in that: A dust collecting hood (15) is provided on one side of the fixing seat (3), and one end of the dust collecting hood (15) is fixedly connected to the fixing seat (3). An opening (16) for communicating with the dust collecting hood (15) is provided on the fixing seat (3).

3. A paper puzzle board color printing device according to claim 2, characterized in that: A transmission mechanism is provided in the fixed groove (6), and the transmission mechanism comprises a reduction box (17) and a first fixed shaft (18), the reduction box (17) is located at one end of the first fixed shaft (18), and the input shaft of the reduction box (17) is fixedly connected to the first fixed shaft (18), and a first pulley (20) is provided on the output shaft of the reduction box (17); One end of the first fixed shaft (18) is rotatably connected to the fixed seat (3), and a plurality of wind wheels (21) are provided on the first fixed shaft (18), and the positions and numbers of the wind wheels (21) correspond one-to-one to the openings (16).

4. A paper puzzle board color printing device according to claim 3, characterized in that: A second fixed shaft (22) is provided at one end of the fixed seat (3), the second fixed shaft (22) is rotatably connected to the fixed seat (3), and a second belt pulley (23) and a cam (24) are provided on the second fixed shaft (22), and the second belt pulley (23) is transmission-connected to the first belt pulley (20) via a belt.

5. The paper puzzle board color printing device according to claim 4, characterized in that: A protrusion (25) is provided on the upper side of the second connecting seat (12), the protrusion (25) is fixedly connected to the second connecting seat (12), and the protrusion (25) abuts against the cam (24).

6. A paper puzzle board color printing device according to claim 5, characterized in that: A transmission rod (26) and a guide block (27) are provided on the upper side of the first connecting seat (9); a slope is provided on one side of the guide block (27); the transmission rod (26) is elastically connected to the fixing seat (3) via a fourth spring (28); one end of the transmission rod (26) contacts the guide block (27); and the other end of the transmission rod (26) contacts the protrusion (25).

7. A paper puzzle board color printing device according to claim 6, characterized in that: An air guide assembly is provided at the lower side of the air flow channel (7), and the air guide assembly includes a fixed frame (29), and a plurality of movable plates (30) are provided in the fixed frame (29), and the movable plates (30) are rotatably connected to the fixed frame (29) via a rotating shaft, and a movable arm (31) is provided on one side of the fixed frame (29), and the movable arm (31) is elastically connected to the fixed seat (3) via a second spring (32), and a plurality of groups of limiting claws (33) are provided on the movable arm (31).

8. The paper puzzle board color printing device according to claim 7, characterized in that: A second extension plate (34) is provided at one end of the movable arm (31), and a triangular protrusion (35) is provided on one side of the second extension plate (34).

9. The paper puzzle board color printing device according to claim 8, characterized in that: An extension column (19) is provided on one side of the transmission rod (26), and one end of the extension column (19) abuts against the triangular protrusion (35).

10. The method for using the paper puzzle board color printing device according to claim 9, characterized in that: The steps include: S1. Pre-printing treatment: Place the paper roll on the placement rack, then pass one end of the paper through the printing machine body (1) and fix it to the traction machine, then start the cleaning mechanism, high-pressure gas enters the fixing seat (3) through the air inlet pipe (4), and then sprays out through the air flow channel (7), and sprays obliquely on the paper surface. The air outlet pipe (5) is externally connected to the suction mechanism, and the cleaned dust is collected by the dust collecting cover (15), and then sucked away through the air outlet pipe (5). During the movement of the paper, it is cleaned by the brush (14) and the cotton brush (11) to remove the dust on the paper surface; S2, Printing: After being cleaned by the cleaning mechanism, the paper enters the printing machine, and the pattern is printed on the paper through the printing reel; S3, cutting: firstly, the paper is cut into widths by a cutting machine, and then the paper is cut into blocks by a special cutting machine with a mold; S4, packaging and warehousing: collect the cut puzzle pieces, put them into packaging bags, and then seal the packaging bags to obtain the finished products, and finally send the finished products to the warehouse.

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