Digital printing post-heating shaping mechanism and stable heating method

Abstract

The invention relates to the technical field of heating and shaping, in particular to a digital printing post-heating and shaping mechanism and a stable heating method.The digital printing post-heating and shaping mechanism comprises a main body, a through groove is formed in the bottom of the main body, a conveying belt is arranged in the through groove, and cloth is placed on the surface of the conveying belt; a longitudinal pipe is connected to the end of the air inlet pipe, a transverse pipe is arranged on the surface of the longitudinal pipe, a first heating groove and a second heating groove are formed in the main body, a transverse pipe is arranged in the second heating groove, a first filter plate is arranged in the first heating groove, an inserting rod is arranged in the first heating groove, and a cleaning plate is arranged on the surface of the inserting rod; the device has the beneficial effects that air in a transverse pipe enters a first heating groove and passes through a first filter plate, dust is filtered through the first filter plate, the filtered air is filtered again through a second filter plate between second limiting plates, and then cloth is preliminarily heated through the air with temperature.

Description

Technical Field

[0001] The present invention relates to the technical field of heat setting, and specifically relates to a heat setting mechanism and a stable heating method after digital printing. Background Technique

[0002] The printing on the fabric can be completed by a digital printing device. During the printing process, the fabric is placed on a workbench, the workbench drives the fabric to move, the digital printer is arranged above the fabric, and during the movement of the fabric, the digital printer sprays paint towards the fabric to complete the printing at the corresponding positions.

[0003] Currently, the existing digital printing all uses the natural air-drying method to dehumidify, and the use of the natural air-drying method to dehumidify results in low dehumidification efficiency of digital printing, thus slowing down the progress of fabric processing, and wasting a large amount of time of printing staff during drying and increasing the labor intensity of printing staff. Therefore, it is not convenient for printing staff to use. Summary of the Invention

[0004] The purpose of the present invention is to provide a heat setting mechanism and a stable heating method after digital printing to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A heat setting mechanism after digital printing, comprising:

[0006] A main body, a through groove is opened at the bottom of the main body, a conveyor belt is arranged inside the through groove, and a fabric is placed on the surface of the conveyor belt;

[0007] An air inlet pipe, the end of the air inlet pipe is connected to a longitudinal pipe, a transverse pipe is arranged on the surface of the longitudinal pipe, a first heating groove and a second heating groove are opened inside the main body, the transverse pipe is arranged inside the second heating groove, a first filter plate is arranged inside the first heating groove, a plugging rod is arranged inside the first heating groove, and a cleaning plate is arranged on the surface of the plugging rod.

[0008] Preferably, a sliding groove is opened on the inner wall of the first heating groove, the end of the plugging rod is located in the sliding groove, the end of the plugging rod can move in the sliding groove, a cleaning plate is fixed on the surface of the plugging rod, a first limiting plate is fixed at the bottom of the cleaning plate, the first limiting plate moves along with the cleaning plate, an adsorption plate is fixed at the top of the cleaning plate, a magnet is fixed on the surface of the adsorption plate, the adsorption plate and the magnet move along with the cleaning plate, the cleaning plate is located on the top of the first filter plate, and when the cleaning plate moves along with the plugging rod, the bottom of the cleaning plate holds against the surface of the first filter plate.

[0009] Preferably, one end of the intake pipe is connected to an inflation device, which blows air into the interior of the intake pipe. The interior of the intake pipe communicates with the interior of the longitudinal pipe, and the air in the intake pipe can enter the interior of the longitudinal pipe. A plurality of transverse pipes are fixed on the surface of the longitudinal pipe. The interior of the transverse pipe is empty and communicates with the interior of the longitudinal pipe. The air in the longitudinal pipe can enter the interior of the transverse pipe. The other end of the transverse pipe is located inside the first heating tank, and the air in the transverse pipe can enter the interior of the first heating tank.

[0010] Preferably, a plurality of transverse pipes are fixed inside the second heating tank. The transverse pipes can be heated and are located on top of the transverse pipes. As the fabric moves with the conveyor belt, it can move to the bottom of the transverse pipes. A first through groove is formed inside the main body, and a second through groove is formed on the inner wall of the first heating tank. A baffle is inserted into the second through groove and can move in the second through groove. A plugging rod is fixed on the surface of the baffle, and an extension rod is provided at the other end of the plugging rod. The other end of the extension rod is fixed to the inner wall of the first through groove.

[0011] Preferably, a spring is arranged inside the extension rod. One end of the spring is connected to the end of the plugging rod, and the other end of the spring is connected to the interior of the extension rod. The spring has a thrust on the plugging rod, causing the baffle to be located in the second through groove. After the cleaning plate moves with the plugging rod, the bottom of the cleaning plate abuts against the surface of the baffle, and the magnet on the adsorption plate on the top of the cleaning plate can adsorb on the inner wall of the first heating tank, causing the cleaning plate to push the baffle to move, and the end of the cleaning plate is inserted into the interior of the first through groove.

[0012] Preferably, an arc-shaped plate is arranged in the first through groove. A cleaning brush is arranged at the end of the arc-shaped plate. A notch is formed on the surface of the arc-shaped plate. When the arc-shaped plate swings in the first through groove, the plugging rod and the extension rod are located in the notch. A connecting rod is fixed to the end of the arc-shaped plate, and a rotating shaft is fixed to the end of the connecting rod. A second gear is arranged on the surface of the rotating shaft, and the end of the rotating shaft is inserted into the interior of the first through groove. The rotating shaft can rotate in the first through groove.

[0013] Preferably, a second gear is fixed on the surface of the rotating shaft. A first gear meshes with the surface of the second gear. The end of the first gear is connected to a driving device, which drives the first gear to rotate. After the first gear rotates, it drives the second gear to rotate. A connecting frame is arranged at the end of the rotating shaft and is fixed inside the first through groove. The rotating shaft can rotate inside the connecting frame.

[0014] Preferably, after the arc-shaped plate and the cleaning brush swing, the cleaning brush abuts against the surface of the cleaning plate, and after the arc-shaped plate continues to swing, the arc-shaped plate is inserted between the cleaning plate and the baffle.

[0015] Preferably, a plurality of groups of second limiting plates are fixed to the bottom of the first heating tank, a sealing plate is fixed between the second limiting plates, a second filter plate is also arranged between the second limiting plates, and the fabric passes through the bottom of the second filter plate.

[0016] A stable heating method adopted by a post-digital printing heating and shaping mechanism includes the following steps:

[0017] Step 1: Heating. The fabric moves along with the conveyor belt. After the fabric moves into the through groove, air is blown into the longitudinal pipe from the air inlet pipe. The air in the longitudinal pipe flows through the transverse pipe, and the transverse pipe generates heat, causing the air in the transverse pipe to heat up. The air in the transverse pipe enters the first heating tank. The air passes through the first filter plate, and the first filter plate filters the dust. The filtered air is filtered again through the second filter plate between the second limiting plates, and then the warm air preliminarily heats the fabric.

[0018] Step 2: Cleaning. When a large amount of dust accumulates on the surface of the first filter plate, the injection of air into the air inlet pipe is stopped. Previously, under the blowing of the air, the cleaning plate located on the left side inside the first heating tank drops, and the insertion rod moves in the sliding groove. The first limiting plate and the cleaning plate move to the right side of the first heating tank. The magnet on the surface of the adsorption plate adsorbs on the inner wall on the right side of the first heating tank, causing the bottom of the cleaning plate to hold the baffle. The baffle moves in the second through groove, and the insertion rod is inserted into the extension rod. A spring is arranged inside the extension rod, and the spring inside the extension rod is compressed, causing the bottom of the cleaning plate to be inserted into the first through groove. And during the movement of the cleaning plate, the dust on the surface of the first filter plate is scraped off. The first gear is connected to the driving device, and the driving device drives the first gear to rotate. The first gear drives the second gear to rotate, and the second gear drives the arc plate to swing. After the arc plate swings, the cleaning brush holds and moves on the surface of the cleaning plate, and the arc plate is inserted between the cleaning plate and the baffle. The cleaning brush cleans the dust on the surface of the cleaning plate, and the cleaned dust can be cleaned out from the first through groove.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] In the present invention, the fabric moves along with the conveyor belt. After the fabric moves into the through groove, air is blown into the longitudinal pipe from the air inlet pipe. The air in the longitudinal pipe flows through the transverse pipe, and the transverse pipe generates heat, causing the air in the transverse pipe to heat up. The air in the transverse pipe enters the first heating tank. The air passes through the first filter plate, and the first filter plate filters the dust. The filtered air is filtered again through the second filter plate between the second limiting plates, and then the warm air preliminarily heats the fabric. Through two times of heating, rapid drying of the printing is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic cross-sectional structure diagram of the present invention.

[0022] Figure 2 This is a schematic structural diagram of another perspective of the cross-section of the present invention.

[0023] Figure 3 This is a schematic structural diagram of the cross-section of the main body of the present invention.

[0024] Figure 4 This is a schematic structural diagram of another perspective of the main body of the present invention.

[0025] Figure 5 This is a schematic structural diagram of the cleaning plate of the present invention.

[0026] Figure 6 It is Figure 4 An enlarged schematic structural diagram of the structure at position A in

[0027] Figure 7 This is a schematic structural diagram of the second heating tank of the present invention.

[0028] Figure 8 It is Figure 7 An enlarged schematic structural diagram of the structure at position B in

[0029] Figure 9 This is a schematic structural diagram of another perspective of the second heating tank of the present invention.

[0030] Figure 10 It is Figure 9 An enlarged schematic structural diagram of the structure at position C in

[0031] Figure 11 It is Figure 3 An enlarged schematic structural diagram of the structure at position D in

[0032] In the figure: main body 1, through groove 2, conveyor belt 3, fabric 4, first heating tank 5, second heating tank 6, adsorption plate 7, magnet 8, sliding groove 9, first filter plate 10, cleaning plate 11, first limiting plate 12, inserting rod 13, heating rod 15, air inlet pipe 16, horizontal pipe 17, vertical pipe 18, first through groove 19, first gear 20, connecting frame 21, second gear 22, notch 23, cleaning brush 24, baffle plate 25, second through groove 26, inserting rod 27, extension rod 28, arc plate 29, rotating shaft 30, connecting rod 31, sealing plate 32, second filter plate 33, second limiting plate 34. Specific embodiments

[0033] In order to clearly and completely describe the purpose, technical solution of the present invention and make its advantages more clearly understood, the following further details the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention.

[0034] Please refer to Figures 1 to 11 , the present invention provides a technical solution:

[0035] Embodiment 1: A post-digital printing heating and shaping mechanism, comprising: a main body 1, a through groove 2 is opened at the bottom of the main body 1, a conveyor belt 3 is arranged inside the through groove 2, and a fabric 4 is placed on the surface of the conveyor belt 3; an air inlet pipe 16, the end of the air inlet pipe 16 is connected to a longitudinal pipe 18, a transverse pipe 17 is arranged on the surface of the longitudinal pipe 18, a first heating groove 5 and a second heating groove 6 are opened inside the main body 1, a transverse pipe 15 is arranged inside the second heating groove 6, a first filter plate 10 is arranged inside the first heating groove 5, an insertion rod 13 is arranged inside the first heating groove 5, a cleaning plate 11 is arranged on the surface of the insertion rod 13, and under the blowing of air, the cleaning plate 11 located on the left side inside the first heating groove 5 drops, the insertion rod 13 moves in the chute 9, the first limiting plate 12 and the cleaning plate 11 move to the right side of the first heating groove 5, and the magnet 8 on the surface of the adsorption plate 7 adsorbs on the right inner wall of the first heating groove 5, so that the bottom of the cleaning plate 11 abuts against the baffle 25.

[0036] Embodiment 2: On the basis of Embodiment 1, a chute 9 is opened on the inner wall of the first heating groove 5, the end of the insertion rod 13 is located in the chute 9, the end of the insertion rod 13 can move in the chute 9, a cleaning plate 11 is fixed on the surface of the insertion rod 13, a first limiting plate 12 is fixed at the bottom of the cleaning plate 11, the first limiting plate 12 moves along with the cleaning plate 11, an adsorption plate 7 is fixed at the top of the cleaning plate 11, a magnet 8 is fixed on the surface of the adsorption plate 7, the adsorption plate 7 and the magnet 8 move along with the cleaning plate 11, the cleaning plate 11 is located on the top of the first filter plate 10, and when the cleaning plate 11 moves along with the insertion rod 13, the bottom of the cleaning plate 11 abuts against the surface of the first filter plate 10.

[0037] One end of the intake pipe 16 is connected to an inflation device which blows air into the interior of the intake pipe 16. The interior of the intake pipe 16 communicates with the interior of the longitudinal pipe 18, so that the air in the intake pipe 16 can enter the interior of the longitudinal pipe 18. A plurality of transverse pipes 17 are fixed to the surface of the longitudinal pipe 18. The interior of the transverse pipe 17 is empty and communicates with the interior of the longitudinal pipe 18, so that the air in the longitudinal pipe 18 can enter the interior of the transverse pipe 17. The other end of the transverse pipe 17 is located inside the first heating tank 5, and the air in the transverse pipe 17 can enter the interior of the first heating tank 5. A plurality of second limiting plates 34 are fixed to the bottom of the first heating tank 5. A sealing plate 32 is fixed between the second limiting plates 34. A second filter plate 33 is also arranged between the second limiting plates 34, and the fabric 4 passes under the second filter plate 33. The first filter plate 10 filters dust, and the filtered air is filtered again by the second filter plate 33 between the second limiting plates 34, and then the warm air preliminarily heats the fabric 4. When the fabric 4 moves to the bottom of the second heating tank 6, it is further heated by the transverse pipe 15.

[0038] Multiple groups of horizontal tubes 15 are fixed inside the second heating tank 6. The horizontal tubes 15 can be heated. The horizontal tubes 15 are located at the top of the horizontal tubes 17, and as the fabric 4 moves along with the conveyor belt 3, it can move to the bottom of the horizontal tubes 15. A first through groove 19 is opened inside the main body 1, and a second through groove 26 is opened on the inner wall of the first heating tank 5. A baffle 25 is inserted into the second through groove 26. The baffle 25 can move in the second through groove 26. A plugging rod 27 is fixed on the surface of the baffle 25. The other end of the plugging rod 27 is provided with an extension rod 28. The other end of the extension rod 28 is fixed on the inner wall of the first through groove 19. A spring is arranged inside the extension rod 28. One end of the spring is connected to the end of the plugging rod 27, and the other end of the spring is connected to the inside of the extension rod 28. The spring has a thrust on the plugging rod 27, so that the baffle 25 is located in the second through groove 26. After the cleaning plate 11 moves along with the plugging rod 13, the bottom of the cleaning plate 11 abuts against the surface of the baffle 25, and the magnet 8 on the surface of the adsorption plate 7 at the top of the cleaning plate 11 can adsorb on the inner wall of the first heating tank 5, so that the cleaning plate 11 pushes the baffle 25 to move. The end of the cleaning plate 11 is inserted into the inside of the first through groove 19. An arc-shaped plate 29 is arranged in the first through groove 19. A cleaning brush 24 is arranged at the end of the arc-shaped plate 29. A notch 23 is opened on the surface of the arc-shaped plate 29. After the arc-shaped plate 29 and the cleaning brush 24 swing, the cleaning brush 24 abuts against the surface of the cleaning plate 11. And after the arc-shaped plate 29 continues to swing, the arc-shaped plate 29 is inserted between the cleaning plate 11 and the baffle 25. When the arc-shaped plate 29 swings in the first through groove 19, the plugging rod 27 and the extension rod 28 are located in the notch 23. A connecting rod 31 is fixed at the end of the arc-shaped plate 29. A rotating shaft 30 is fixed at the end of the connecting rod 31. A second gear 22 is arranged on the surface of the rotating shaft 30. The end of the rotating shaft 30 is inserted into the inside of the first through groove 19. The rotating shaft 30 can rotate in the first through groove 19. A second gear 22 is fixed on the surface of the rotating shaft 30. A first gear 20 meshes with the surface of the second gear 22. The end of the first gear 20 is connected to a driving device. The driving device drives the first gear 20 to rotate. After the first gear 20 rotates, it drives the second gear 22 to rotate. A connecting frame 21 is arranged at the end of the rotating shaft 30. The connecting frame 21 is fixed inside the first through groove 19. The rotating shaft 30 can rotate inside the connecting frame 21.

[0039] The fabric 4 moves along with the conveyor belt 3. After the fabric 4 moves into the inner part of the through groove 2, air is blown into the longitudinal pipe 18 from the air inlet pipe 16. The air in the longitudinal pipe 18 flows through the transverse pipe 17. The transverse pipe 15 generates heat, causing the air in the transverse pipe 17 to heat up. The air in the transverse pipe 17 enters the first heating tank 5. The air passes through the first filter plate 10, and the first filter plate 10 filters the dust. The filtered air is filtered again by the second filter plate 33 between the second limiting plates 34. Then the warm air preliminarily heats the fabric 4. When the fabric 4 moves to the bottom of the second heating tank 6, it is further heated by the transverse pipe 15. When a large amount of dust accumulates on the surface of the first filter plate 10, the injection of air into the air inlet pipe 16 is stopped. Previously, under the blowing of the air, the cleaning plate 11 located on the left side inside the first heating tank 5 drops. The insertion rod 13 moves in the sliding groove 9. The first limiting plate 12 and the cleaning plate 11 move to the right side of the first heating tank 5. The magnet 8 on the surface of the adsorption plate 7 adsorbs on the right inner wall of the first heating tank 5, causing the bottom of the cleaning plate 11 to abut against the baffle plate 25. The baffle plate 25 moves in the second through groove 26. The insertion rod 27 is inserted into the extension rod 28. A spring is arranged inside the extension rod 28, and the spring inside the extension rod 28 is compressed, causing the bottom of the cleaning plate 11 to be inserted into the inner part of the first through groove 19. And during the movement of the cleaning plate 11, the dust on the surface of the first filter plate 10 is scraped off. The first gear 20 is connected to the driving device, and the driving device drives the first gear 20 to rotate. The first gear 20 drives the second gear 22 to rotate. The second gear 22 drives the arc-shaped plate 29 to swing. After the arc-shaped plate 29 swings, the cleaning brush 24 abuts against the surface of the cleaning plate 11 and moves. And the arc-shaped plate 29 is inserted between the cleaning plate 11 and the baffle plate 25. The cleaning brush 24 cleans the dust on the surface of the cleaning plate 11. The cleaned dust can be cleaned out from the first through groove 19.

[0040] Although the above describes the illustrative specific embodiments of the present application for the convenience of those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all application creations using the concept of the present application are within the scope of protection.

Claims

1. A post-digital printing heat setting mechanism, characterized in that: Including: A main body (1), a through groove (2) is opened at the bottom of the main body (1), a conveyor belt (3) is arranged inside the through groove (2), and a fabric (4) is placed on the surface of the conveyor belt (3); An air inlet pipe (16), the end of the air inlet pipe (16) is connected to a longitudinal pipe (18), a transverse pipe (17) is arranged on the surface of the longitudinal pipe (18), a first heating groove (5) and a second heating groove (6) are opened inside the main body (1), a transverse pipe (15) is arranged inside the second heating groove (6), a first filter plate (10) is arranged inside the first heating groove (5), a plugging rod (13) is arranged inside the first heating groove (5), and a cleaning plate (11) is arranged on the surface of the plugging rod (13).

2. The post-heating and shaping mechanism for digital printing according to claim 1, wherein: A sliding groove (9) is opened on the inner wall of the first heating groove (5), the end of the plugging rod (13) is located in the sliding groove (9), the end of the plugging rod (13) can move in the sliding groove (9), a cleaning plate (11) is fixed on the surface of the plugging rod (13), a first limiting plate (12) is fixed at the bottom of the cleaning plate (11), the first limiting plate (12) moves along with the cleaning plate (11), an adsorption plate (7) is fixed at the top of the cleaning plate (11), a magnet (8) is fixed on the surface of the adsorption plate (7), the adsorption plate (7) and the magnet (8) move along with the cleaning plate (11), the cleaning plate (11) is located above the first filter plate (10), and when the cleaning plate (11) moves along with the plugging rod (13), the bottom of the cleaning plate (11) abuts against the surface of the first filter plate (10).

3. A post-heating and shaping mechanism for digital printing according to claim 2, characterized in that: One end of the air inlet pipe (16) is connected to an air inflation device, the air inflation device blows air into the inside of the air inlet pipe (16), the inside of the air inlet pipe (16) is communicated with the inside of the longitudinal pipe (18), the air in the air inlet pipe (16) can enter the inside of the longitudinal pipe (18), multiple groups of transverse pipes (17) are fixed on the surface of the longitudinal pipe (18), the inside of the transverse pipe (17) is empty, the inside of the transverse pipe (17) is communicated with the inside of the longitudinal pipe (18), the air inside the longitudinal pipe (18) can enter the inside of the transverse pipe (17), the other end of the transverse pipe (17) is located inside the first heating groove (5), and the air in the transverse pipe (17) can enter the inside of the first heating groove (5).

4. A post-heating and shaping mechanism for digital printing according to claim 3, characterized in that: Multiple groups of transverse pipes (15) are fixed inside the second heating groove (6), the transverse pipes (15) can be heated, the transverse pipes (15) are located above the transverse pipes (17), and when the fabric (4) moves along with the conveyor belt (3), it can move to the bottom of the transverse pipes (15), a first through groove (19) is opened inside the main body (1), a second through groove (26) is opened on the inner wall of the first heating groove (5), a baffle (25) is inserted in the second through groove (26), the baffle (25) can move in the second through groove (26), a plugging rod (27) is fixed on the surface of the baffle (25), the other end of the plugging rod (27) is provided with an extension rod (28), and the other end of the extension rod (28) is fixed on the inner wall of the first through groove (19).

5. A post-heating and shaping mechanism for digital printing according to claim 4, characterized in that: A spring is disposed inside the extension rod (28). One end of the spring is connected to the end of the insertion rod (27), and the other end of the spring is connected to the inside of the extension rod (28). The spring exerts a thrust on the insertion rod (27), causing the baffle (25) to be located in the second through groove (26). After the cleaning plate (11) moves along with the insertion rod (13), the bottom of the cleaning plate (11) abuts against the surface of the baffle (25), and the magnet (8) on the surface of the adsorption plate (7) at the top of the cleaning plate (11) can adsorb on the inner wall of the first heating groove (5), causing the cleaning plate (11) to push the baffle (25) to move, and the end of the cleaning plate (11) is inserted into the inside of the first through groove (19).

6. A post-heating and shaping mechanism for digital printing according to claim 5, characterized in that: An arc-shaped plate (29) is disposed in the first through groove (19). A cleaning brush (24) is disposed at the end of the arc-shaped plate (29). A notch (23) is formed on the surface of the arc-shaped plate (29). When the arc-shaped plate (29) swings in the first through groove (19), the insertion rod (27) and the extension rod (28) are located in the notch (23). A connecting rod (31) is fixed to the end of the arc-shaped plate (29), and a rotating shaft (30) is fixed to the end of the connecting rod (31). A second gear (22) is disposed on the surface of the rotating shaft (30). The end of the rotating shaft (30) is inserted into the inside of the first through groove (19), and the rotating shaft (30) can rotate in the first through groove (19).

7. The heat setting mechanism after digital printing according to claim 6, wherein: The second gear (22) is fixed to the surface of the rotating shaft (30). A first gear (20) is meshed with the surface of the second gear (22). The end of the first gear (20) is connected to a driving device. The driving device drives the first gear (20) to rotate. After the first gear (20) rotates, it drives the second gear (22) to rotate. A connecting frame (21) is disposed at the end of the rotating shaft (30). The connecting frame (21) is fixed to the inside of the first through groove (19), and the rotating shaft (30) can rotate in the inside of the connecting frame (21).

8. A post-heating and shaping mechanism for digital printing according to claim 7, characterized in that: After the arc-shaped plate (29) and the cleaning brush (24) swing, the cleaning brush (24) abuts against the surface of the cleaning plate (11), and after the arc-shaped plate (29) continues to swing, the arc-shaped plate (29) is inserted between the cleaning plate (11) and the baffle (25).

9. A post-heating and shaping mechanism for digital printing according to claim 8, characterized in that: A plurality of groups of second limiting plates (34) are fixed to the bottom of the first heating groove (5). A sealing plate (32) is fixed between the second limiting plates (34). A second filter plate (33) is also disposed between the second limiting plates (34), and the fabric (4) passes through the bottom of the second filter plate (33).

10. A stable heating method adopted by the post-heating and shaping mechanism for digital printing as described in claim 9, characterized in that: Comprising the following steps: Step 1: Heating. The fabric (4) moves along with the conveyor belt (3). After the fabric (4) moves into the through slot (2), air is blown into the longitudinal pipe (18) from the air inlet pipe (16). The air in the longitudinal pipe (18) flows through the transverse pipe (17). The transverse pipe (15) generates heat, causing the air in the transverse pipe (17) to heat up. The air in the transverse pipe (17) enters the first heating tank (5). The air passes through the first filter plate (10), and the first filter plate (10) filters the dust. The filtered air is filtered again by the second filter plate (33) between the second limiting plates (34). Then, the warm air preliminarily heats the fabric (4). Step 2: Cleaning. When a large amount of dust accumulates on the surface of the first filter plate (10), the injection of air into the air inlet pipe (16) is stopped. Previously, under the blowing of the air, the cleaning plate (11) located on the left side inside the first heating tank (5) drops. The plugging rod (13) moves in the chute (9). The first limiting plate (12) and the cleaning plate (11) move to the right side of the first heating tank (5). The magnet (8) on the surface of the adsorption plate (7) adsorbs on the right inner wall of the first heating tank (5), causing the bottom of the cleaning plate (11) to hold against the baffle (25). The baffle (25) moves in the second through slot (26). The plugging rod (27) is plugged into the extension rod (28). A spring is arranged inside the extension rod (28). The spring inside the extension rod (28) is compressed, causing the bottom of the cleaning plate (11) to be plugged into the inside of the first through slot (19). And during the movement of the cleaning plate (11), the dust on the surface of the first filter plate (10) is scraped off. The first gear (20) is connected to a driving device, and the driving device drives the first gear (20) to rotate. The first gear (20) drives the second gear (22) to rotate. The second gear (22) drives the arc-shaped plate (29) to swing. After the arc-shaped plate (29) swings, the cleaning brush (24) holds against the surface of the cleaning plate (11) and moves. And the arc-shaped plate (29) is plugged into the space between the cleaning plate (11) and the baffle (25). The cleaning brush (24) cleans the dust on the surface of the cleaning plate (11). The cleaned dust can be cleaned out from the first through slot (19).

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